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RF, Wireless & Telecommunications

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модулей
100
тема
1 181
минут на урок
15

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Часы и месяцы — оценка: один 15-минутный урок на тему, каждый день.

Каждый модуль.Каждая тема.

Названия модулей и тем остаются на английском — на этом языке говорит отрасль.

Этапы

Этап 1

RF Foundations & Radio Hardware

Сигналы, шум и радиотракт

24 модуля · 279 тем

  1. 1Scope of RF, Wireless, and Telecommunications Engineering10 тем
    • Radio-Frequency, Microwave, and Millimeter-Wave Systems
    • Communication Links, Networks, and Services
    • Transmitters, Channels, Receivers, and End Users
    • Analog, Digital, and Packet-Based Communication
    • Fixed, Mobile, Terrestrial, and Satellite Systems
    • Access, Aggregation, Transport, and Core Networks
    • RF Hardware, Baseband, Protocol, and Network Responsibilities
    • Relationships Between Device, Link, and Network Performance
    • Standards Organizations and Technical Specifications
    • System Development from Requirements to Field Operation
  2. 2Communication System Requirements and Budgets12 тем
    • Translating Service Needs into Engineering Requirements
    • Coverage, Capacity, Throughput, and Availability
    • Latency, Jitter, and Reliability Targets
    • Operating Bands and Channel Bandwidth
    • Mobility, Range, and Deployment Environment
    • Transmitter Power and Receiver Sensitivity Targets
    • Antenna, RF, and Baseband Performance Budgets
    • Energy Consumption and Device Duty Cycle
    • Coexistence and Interference Requirements
    • Equipment, Site, and Backhaul Constraints
    • Acceptance Criteria and Verification Planning
    • Architecture Tradeoffs and Requirement Traceability
  3. 3Signal Representation for Communications12 тем
    • Time-Domain and Frequency-Domain Representations
    • Sinusoids, Phasors, and Complex Exponentials
    • Fourier Series and Fourier Transforms
    • Impulse Responses and Linear System Models
    • Convolution and Frequency Response
    • Baseband and Passband Signals
    • Complex Envelopes and Analytic Signals
    • In-Phase and Quadrature Components
    • Energy, Average Power, and Peak Power
    • Spectral Density and Occupied Bandwidth
    • Decibels, dBm, dBW, and Reference Quantities
    • Phase, Group Delay, and Signal Distortion
  4. 4Probability, Noise, and Random Processes11 тем
    • Random Variables in Communication Systems
    • Gaussian Noise and Complex Gaussian Models
    • Stationarity, Correlation, and Power Spectral Density
    • Thermal Noise and Equivalent Noise Bandwidth
    • Signal-to-Noise and Signal-to-Interference Ratios
    • Random Phase, Timing Error, and Frequency Drift
    • Error Probability and Tail Distributions
    • Outage Probability and Availability Statistics
    • Estimating Means, Variances, and Confidence Intervals
    • Monte Carlo Evaluation of Communication Performance
    • Rare-Event Estimation and Simulation Limits
  5. 5Electromagnetic Waves for RF Engineering12 тем
    • Electric and Magnetic Fields in Wave Propagation
    • Maxwell Equations in Engineering Applications
    • Plane Waves and Wave Impedance
    • Wavelength, Frequency, and Propagation Velocity
    • Polarization and Polarization Mismatch
    • Reflection and Transmission at Material Boundaries
    • Conductivity, Permittivity, and Dielectric Loss
    • Skin Effect and Conductor Loss
    • Poynting Vector and Power Flow
    • Near-Field and Far-Field Regions
    • Boundary Conditions and Field Continuity
    • Radiation and Guided-Wave Propagation
  6. 6Transmission Lines and Guided Structures12 тем
    • Distributed Parameters and the Telegrapher Equations
    • Characteristic Impedance and Propagation Constant
    • Incident, Reflected, and Standing Waves
    • Reflection Coefficient, Return Loss, and VSWR
    • Input Impedance of Loaded Transmission Lines
    • Electrical Length and Quarter-Wave Transformation
    • Lossy Lines and Dispersion
    • Coaxial Cable, Microstrip, Stripline, and Coplanar Waveguide
    • Differential and Common-Mode Propagation
    • Waveguide Modes and Cutoff Frequencies
    • Transmission-Line Discontinuities and Parasitics
    • Connectors, Launches, and Reference Planes
  7. 7RF Network Analysis12 тем
    • Two-Port and Multiport Network Models
    • Impedance, Admittance, and ABCD Parameters
    • Scattering Parameters and Power Waves
    • S-Parameter Magnitude, Phase, and Reference Impedance
    • Reciprocity, Passivity, and Losslessness
    • Cascading RF Networks
    • Transducer, Available, and Operating Power Gain
    • Mixed-Mode S-Parameters
    • Smith Chart Interpretation
    • Stability Factors and Stability Circles
    • Network Data Interpolation and Physical Consistency
    • Measured and Simulated S-Parameter Models
  8. 8Impedance Matching and RF Tuning12 тем
    • Maximum Power Transfer and Conjugate Matching
    • Source and Load Impedance Transformation
    • L, Pi, and T Matching Networks
    • Single-Stub and Double-Stub Matching
    • Quarter-Wave and Multisection Transformers
    • Broadband and Narrowband Matching Tradeoffs
    • Matching Network Q and Bandwidth
    • Noise Matching Versus Power Matching
    • Differential and Balanced Matching
    • Tunable Matching and Switched Networks
    • Component Tolerance and Tuning Sensitivity
    • Matching Under Variable Antenna Loads
  9. 9RF Filters and Resonators12 тем
    • Resonance, Stored Energy, and Quality Factor
    • Filter Order, Selectivity, and Insertion Loss
    • Butterworth, Chebyshev, and Elliptic Responses
    • Low-Pass Prototype Transformations
    • Lumped and Distributed Filter Realizations
    • Coupled Resonators and Coupling Coefficients
    • Microstrip, Cavity, and Waveguide Filters
    • Acoustic Filters as RF Front-End Components
    • Group Delay and Modulated-Signal Distortion
    • Power Handling and Nonlinear Filter Effects
    • Temperature Drift and Manufacturing Tolerance
    • Filter Selection and Response Verification
  10. 10RF Distribution and Isolation Components11 тем
    • Power Dividers and Combiners
    • Wilkinson Dividers and Resistive Splitters
    • Directional Couplers and Directivity
    • Quadrature and Rat-Race Hybrids
    • Baluns and Balanced-to-Unbalanced Conversion
    • Diplexers, Duplexers, and Multiplexers
    • Circulators and Isolators
    • RF Switches and Switching Matrices
    • Attenuators, Limiters, and Protection Networks
    • Bias Tees and DC-RF Separation
    • Isolation, Leakage, and Power Handling Budgets
  11. 11Active Device Models for RF Design11 тем
    • Small-Signal Models and Frequency-Dependent Behavior
    • Transconductance, Output Conductance, and Parasitics
    • Device Gain Limits and Frequency of Operation
    • RF Device Selection Using Datasheet Parameters
    • Noise Parameters and Optimum Source Impedance
    • Bias Dependence of Gain and Linearity
    • Large-Signal and Behavioral Device Models
    • Load-Pull and Source-Pull Data Interpretation
    • Thermal Effects and Bias Stability
    • Model Validity Across Frequency, Power, and Temperature
    • Package Parasitics as Circuit Design Inputs
  12. 12Noise, Gain, and Receiver Dynamic Range11 тем
    • Noise Factor, Noise Figure, and Noise Temperature
    • Cascaded Noise and Friis Analysis
    • Gain Distribution Across Receiver Stages
    • Loss Before the Low-Noise Amplifier
    • Receiver Sensitivity and Required Demodulation SNR
    • Noise Floor and Measurement Bandwidth
    • Blocking and Desensitization
    • Spurious-Free Dynamic Range
    • Automatic Gain Control Range and Placement
    • Noise and Linearity Budget Tradeoffs
    • Sensitivity Under Interference and Mismatch
  13. 13Nonlinearity and RF Distortion12 тем
    • Polynomial and Behavioral Nonlinearity Models
    • Gain Compression and the One-Decibel Compression Point
    • Harmonics and Intermodulation Products
    • Second-Order and Third-Order Intercept Points
    • Cascaded Intercept-Point Analysis
    • AM-AM and AM-PM Conversion
    • Spectral Regrowth and Adjacent-Channel Emissions
    • Cross-Modulation and Reciprocal Mixing
    • Passive Intermodulation
    • Memory Effects in Wideband RF Circuits
    • Error Vector Magnitude Contributions from Distortion
    • Choosing Appropriate Linearity Metrics
  14. 14RF Amplifiers and Low-Noise Front Ends12 тем
    • Low-Noise Amplifier Specification and Topology Selection
    • Gain, Noise Figure, and Input Match Tradeoffs
    • Broadband and Narrowband Amplifier Design
    • Feedback, Degeneration, and Stability
    • Input and Output Matching Networks
    • Bias Networks and Supply Decoupling
    • Differential and Balanced RF Amplifiers
    • Variable-Gain Amplifiers and Gain Control
    • Out-of-Band Stability and Oscillation Prevention
    • Large-Signal Blocker Tolerance
    • Amplifier Cascades and Interstage Matching
    • RF Amplifier Simulation and Bench Correlation
  15. 15RF Power Amplifiers13 тем
    • Output Power, Efficiency, and Power-Added Efficiency
    • Conduction Angle and Amplifier Classes
    • Linear and Switching Power Amplifier Architectures
    • Optimum Load Impedance and Load-Line Constraints
    • Output Matching and Harmonic Termination
    • Driver Stages and Gain Distribution
    • Doherty and Outphasing Architectures
    • Envelope Tracking and Supply Modulation
    • Output Backoff with High-PAPR Waveforms
    • Load Mismatch and Ruggedness
    • Thermal Design and Safe Operating Conditions
    • Wideband Power Amplifier Tradeoffs
    • Power Amplifier Characterization Under Modulated Signals
  16. 16Mixers and Frequency Conversion11 тем
    • Frequency Translation and Mixing Products
    • Active and Passive Mixer Architectures
    • Conversion Gain and Conversion Loss
    • Local Oscillator Drive Requirements
    • RF, LO, and IF Port Isolation
    • Image Frequencies and Image Rejection
    • I/Q Mixing and Quadrature Accuracy
    • Mixer Noise and Linearity
    • LO Leakage and Self-Mixing
    • Spurs and Frequency Planning
    • Upconversion and Downconversion Chains
  17. 17RF Oscillators and Frequency Synthesis12 тем
    • Oscillation Conditions and Resonator Selection
    • LC, Crystal, and Voltage-Controlled Oscillators
    • Phase Noise and Frequency Stability
    • Integrated Phase Noise and Timing Jitter
    • PLL-Based Frequency Synthesis
    • Integer-N and Fractional-N Synthesizers
    • Reference Spurs and Fractional Spurs
    • Loop Bandwidth, Lock Time, and Noise Tradeoffs
    • Frequency Multiplication and Division
    • Reference Distribution and Isolation
    • Frequency Hopping and Settling Requirements
    • Synthesizer Noise Allocation in a Radio System
  18. 18Receiver Architectures11 тем
    • Tuned RF and Superheterodyne Receivers
    • Single and Multiple Intermediate Frequencies
    • Direct-Conversion and Low-IF Receivers
    • Image-Reject and Quadrature Receivers
    • Direct RF Sampling Architectures
    • RF Preselection and Channel Selection
    • DC Offset, Flicker Noise, and I/Q Imbalance
    • AGC Dynamics and Gain-State Transitions
    • Wideband and Multiband Receiver Tradeoffs
    • Receiver Frequency Plans and Spur Analysis
    • Receiver Architecture Comparison Using System Budgets
  19. 19Transmitter Architectures11 тем
    • Direct and Heterodyne Upconversion
    • Quadrature Modulators and Polar Transmitters
    • Digital Upconversion and Reconstruction Filtering
    • Carrier Leakage and Image Emissions
    • Transmit Power Control and Power Ramping
    • Wideband Waveform Generation
    • Frequency Accuracy and Spectral Purity
    • Transmitter Filtering and Antenna Interface
    • Duplexer and Switch Losses in the Transmit Path
    • Multicarrier and Multiband Transmitters
    • Transmitter Architecture Trade Studies
  20. 20Radio Calibration and Linearization12 тем
    • I/Q Gain and Phase Imbalance Calibration
    • DC Offset and LO Leakage Correction
    • Frequency Response and Group Delay Equalization
    • Power Detector Calibration and Power Control
    • Digital Predistortion Principles
    • Memory Polynomial and Lookup-Table Predistortion
    • Feedback Receiver Requirements for Linearization
    • Crest Factor Reduction
    • Temperature and Aging Compensation
    • Factory and Background Calibration Strategies
    • Calibration Validity Across Bands and Gain States
    • Residual Error and Calibration Verification
  21. 21Data Converters and Digital Front Ends12 тем
    • ADC and DAC Selection for Radio Systems
    • Sampling Rate, Analog Bandwidth, and Nyquist Zones
    • Quantization Noise and Effective Number of Bits
    • Aperture Jitter and RF Sampling Performance
    • Converter SFDR and Blocker Handling
    • Anti-Alias and Reconstruction Filter Requirements
    • Digital Downconversion and Upconversion
    • Numerically Controlled Oscillators
    • Decimation, Interpolation, and Channelization
    • Fixed-Point Scaling and Quantization Effects
    • Converter Interface Throughput and Latency
    • Multichannel Sampling Alignment and Coherence
  22. 22RF Boards, Interconnects, and Module Integration12 тем
    • RF Substrate Selection and Stackup Design
    • Controlled-Impedance Routing
    • Ground Return Paths and Via Fences
    • Connector and Component Launch Design
    • Discontinuities at Pads, Vias, and Transitions
    • Differential RF Routing and Balance
    • Power Distribution for Sensitive RF Blocks
    • Coupling Between RF, Digital, and Power Circuits
    • Component Placement and RF Path Length
    • Shield Cans, Cavities, and Enclosure Resonances
    • Thermal Interfaces for RF Modules
    • Assembly Variation and RF Test Access
  23. 23Electromagnetic Compatibility and Radio Coexistence Hardware11 тем
    • Conducted and Radiated Coupling Paths
    • Common-Mode Currents and Unintended Antennas
    • Shielding, Filtering, and Grounding Strategies
    • Digital Clock Harmonics in Receive Bands
    • Power Converter Noise and Receiver Desensitization
    • Transmitter Leakage into Co-Located Receivers
    • Antenna Isolation and Spatial Separation
    • Passive Intermodulation Sources in Installations
    • Cable Routing and Enclosure Penetrations
    • ESD and Surge Protection Effects on RF Performance
    • EMC-Oriented Design Reviews and Precompliance Tests
  24. 24RF Circuit and Electromagnetic Simulation12 тем
    • Linear, Nonlinear, and Envelope Simulation
    • Harmonic Balance and Periodic Steady-State Analysis
    • Full-Wave Electromagnetic Modeling
    • Method of Moments, FEM, and FDTD Applications
    • Geometry Simplification and Material Models
    • Ports, Boundaries, Meshing, and Solver Convergence
    • Circuit and EM Co-Simulation
    • S-Parameter Extraction from Physical Structures
    • Parameter Sweeps and Sensitivity Analysis
    • Tolerance and Temperature Studies
    • Model Validation Against Measurements
    • Simulation Accuracy, Runtime, and Uncertainty

Этап 2

Antennas & Propagation

Как сигнал проходит через эфир

8 модулей · 95 тем

  1. 25Antenna Fundamentals12 тем
    • Radiation Patterns and Angular Coordinates
    • Directivity, Gain, and Radiation Efficiency
    • Realized Gain and Impedance Mismatch
    • Effective Aperture and Antenna Reciprocity
    • Beamwidth, Sidelobes, and Front-to-Back Ratio
    • Linear, Circular, and Elliptical Polarization
    • Axial Ratio and Cross-Polarization
    • Antenna Input Impedance and Bandwidth
    • Electrically Small Antenna Limits
    • Near-Field Coupling and Far-Field Radiation
    • Ground Planes and the Antenna Environment
    • Antenna Specifications for Communication Links
  2. 26Antenna Types and Application Selection12 тем
    • Dipole, Monopole, and Loop Antennas
    • Printed Inverted-F and Compact Device Antennas
    • Microstrip Patch and Slot Antennas
    • Yagi-Uda and Log-Periodic Arrays
    • Helical and Broadband Antennas
    • Horn and Reflector Antennas
    • Lens Antennas and Aperture Structures
    • Multiband and Reconfigurable Antennas
    • Integrated and External Antenna Tradeoffs
    • Radomes and Protective Covers
    • Antenna Detuning by Enclosures and Nearby Objects
    • Antenna Selection for Fixed and Mobile Platforms
  3. 27Antenna Arrays and Beamforming Foundations12 тем
    • Array Factors and Element Patterns
    • Linear, Planar, and Conformal Arrays
    • Element Spacing and Grating Lobes
    • Amplitude Tapering and Sidelobe Control
    • Phase Steering and Beam Direction
    • Scan Loss and Scan-Dependent Impedance
    • Mutual Coupling and Embedded Element Patterns
    • Analog, Digital, and Hybrid Beamforming
    • Beamwidth and Aperture Scaling
    • Wideband Beam Squint
    • Near-Field Focusing with Large Apertures
    • Array Calibration and Pattern Accuracy
  4. 28Phased-Array Hardware and Integration12 тем
    • Transmit and Receive Module Architectures
    • Phase Shifters and True-Time-Delay Elements
    • Gain Control and Amplitude Quantization
    • LO and Reference Distribution Across Channels
    • Channel-to-Channel Phase and Gain Matching
    • Subarrays and Hybrid Beamforming Partitions
    • Array Power, Thermal, and Packaging Constraints
    • Calibration Couplers and Internal Test Paths
    • Beam Switching and Settling Time
    • Faulty Elements and Graceful Performance Degradation
    • Beam Codebooks and Hardware Control Interfaces
    • Array Integration with the Radio Front End
  5. 29Terrestrial Radio Propagation12 тем
    • Free-Space Path Loss and Spreading
    • Ground Reflection and Two-Ray Models
    • Diffraction and Fresnel-Zone Clearance
    • Refraction and Effective Earth Radius
    • Terrain, Clutter, and Building Effects
    • Indoor Penetration and Floor Loss
    • Vegetation and Seasonal Variation
    • Atmospheric Gas and Rain Attenuation
    • Tropospheric Ducting and Anomalous Propagation
    • Ground-Wave and Ionospheric Propagation Contexts
    • Empirical and Deterministic Propagation Models
    • Model Selection for Coverage and Interference Studies
  6. 30Multipath, Fading, and Wireless Channel Models12 тем
    • Large-Scale Shadowing and Small-Scale Fading
    • Rayleigh, Rician, and Other Fading Distributions
    • Delay Spread and Coherence Bandwidth
    • Doppler Spread and Coherence Time
    • Flat and Frequency-Selective Fading
    • Slow and Fast Fading
    • Channel Impulse Responses and Tapped-Delay Models
    • Spatial Correlation and Angular Spread
    • Polarization and MIMO Channel Matrices
    • Blockage and Intermittent Line of Sight
    • Nonstationary Channels and Mobility
    • Channel Model Assumptions and Validity Limits
  7. 31Channel Measurements and Model Validation11 тем
    • Channel Sounding Architectures
    • Wideband Impulse Response Measurement
    • Synchronization Between Sounder Transmitter and Receiver
    • Power Delay Profile Estimation
    • Doppler and Time-Varying Channel Measurements
    • Directional and Spatial Channel Measurements
    • Sounder Dynamic Range and Calibration
    • Measurement Route and Scenario Design
    • Statistical Parameter Extraction
    • Fitting and Validating Propagation Models
    • Measurement Dataset Quality and Reproducibility
  8. 32Link Budgets and Availability Engineering12 тем
    • Conducted Power, EIRP, and Received Power
    • Antenna, Feeder, Connector, and Polarization Losses
    • Receiver Noise and Required Link Margin
    • Carrier-to-Noise Density and Eb/N0
    • Modulation, Coding, and Throughput Requirements
    • Uplink and Downlink Budget Asymmetry
    • Fade Margins and Outage Targets
    • Interference Allowance in Link Budgets
    • Weather and Time-Availability Considerations
    • Diversity and Adaptive Modulation Benefits
    • Sensitivity Analysis of Link Assumptions
    • Link Budget Validation with Field Measurements

Этап 3

Modulation, Coding & MIMO

Как биты укладывают в радиоволны

17 модулей · 200 тем

  1. 33Digital Signal Processing for Radio Links12 тем
    • Sampling, Aliasing, and Bandlimited Reconstruction
    • Discrete-Time Frequency and Frequency Translation
    • FIR and IIR Filters in Communication Chains
    • Matched and Pulse-Shaping Filters
    • FFT-Based Processing and Spectral Estimation
    • Multirate Filtering and Polyphase Structures
    • Resampling and Sample-Rate Conversion
    • Windowing and Spectral Leakage
    • Complex Arithmetic and I/Q Signal Processing
    • Fixed-Point Error and Dynamic Range Management
    • Processing Latency and Real-Time Constraints
    • Streaming Block Boundaries and State Management
  2. 34Information Theory and Source Representation11 тем
    • Information, Entropy, and Mutual Information
    • Source Redundancy and Compression Limits
    • Lossless Coding and Variable-Length Representations
    • Quantization and Rate-Distortion Tradeoffs
    • Voice, Image, and Video Source Rate Requirements
    • Channel Capacity and the Shannon Limit
    • Bandwidth-Limited and Power-Limited Regimes
    • Spectral Efficiency and Energy Efficiency
    • Coding Gain and Gap to Capacity
    • Finite Blocklength and Latency Constraints
    • Source-Channel Separation and Practical Limitations
  3. 35Analog Modulation and Legacy Radio Systems10 тем
    • Amplitude Modulation and Envelope Detection
    • Double-Sideband and Single-Sideband Modulation
    • Frequency and Phase Modulation
    • Modulation Index and Occupied Bandwidth
    • Coherent and Noncoherent Analog Demodulation
    • Noise Performance of AM and FM
    • Pre-Emphasis and De-Emphasis
    • Frequency Discriminators and Carrier Recovery
    • Analog Channelization and Multiplexing
    • Interworking and Migration of Legacy Radio Services
  4. 36Digital Modulation and Signal Constellations12 тем
    • Symbol Mapping and Constellation Geometry
    • PAM, PSK, QAM, and FSK
    • Differential Modulation
    • Continuous-Phase Modulation and GMSK
    • Gray Mapping and Bit Error Behavior
    • Pulse Shaping and the Nyquist Criterion
    • Raised-Cosine and Root-Raised-Cosine Pulses
    • Symbol Rate, Bit Rate, and Occupied Bandwidth
    • Peak-to-Average Power Ratio
    • Constellation Shaping and Probabilistic Shaping Concepts
    • Spectral Efficiency Versus Robustness
    • Modulation Selection Under Hardware Constraints
  5. 37Detection and Receiver Decision Methods11 тем
    • Signal-Space Representation
    • Correlation and Matched-Filter Receivers
    • Maximum-Likelihood and MAP Detection
    • Decision Regions and Euclidean Distance
    • Coherent and Noncoherent Digital Detection
    • Hard and Soft Decisions
    • Log-Likelihood Ratios
    • Bit and Symbol Error Rates in AWGN
    • Detection in Fading Channels
    • Differential Detection and Phase Ambiguity
    • Receiver Performance Bounds and Reference Curves
  6. 38Error Detection and Forward Error Correction13 тем
    • Parity Checks and Cyclic Redundancy Checks
    • Linear Block Codes and Hamming Distance
    • BCH and Reed-Solomon Codes
    • Convolutional Coding and Trellis Representations
    • Viterbi Decoding
    • Turbo Codes and Iterative Decoding
    • LDPC Codes and Message-Passing Decoders
    • Polar Codes and Successive-Cancellation Concepts
    • Interleaving and Burst Error Protection
    • Puncturing, Shortening, and Rate Matching
    • Soft-Decision Decoding and Quantization
    • Coding Performance, Complexity, and Latency
    • Error Floors and Decoder Failure Analysis
  7. 39OFDM and Multicarrier Transmission12 тем
    • Orthogonal Subcarriers and FFT-Based Modulation
    • Cyclic Prefix and Guard Interval Design
    • Subcarrier Spacing and Numerology
    • Pilot, Data, and Null Subcarrier Allocation
    • Intercarrier Interference
    • OFDM Sensitivity to Frequency and Timing Errors
    • PAPR and Transmitter Backoff
    • Windowing, Filtering, and Out-of-Band Emissions
    • DFT-Spread OFDM and Single-Carrier Alternatives
    • Multicarrier Equalization and Channel Tracking
    • OFDMA Resource Allocation
    • OFDM Frame Design and Overhead Accounting
  8. 40Spread Spectrum and Ultra-Wideband Signaling11 тем
    • Direct-Sequence Spread Spectrum
    • Frequency-Hopping Spread Spectrum
    • Spreading Codes and Correlation Properties
    • Processing Gain and Multiple-Access Interference
    • Code Acquisition and Tracking
    • RAKE Receiver Concepts
    • Chirp Spread Spectrum
    • Impulse and Multiband UWB Concepts
    • Wideband Channel Resolution and Ranging
    • Spectral Density and Coexistence Constraints
    • Spread-Spectrum System Tradeoffs
  9. 41Acquisition and Synchronization13 тем
    • Frame, Packet, and Burst Detection
    • Preambles and Correlation-Based Acquisition
    • Carrier Frequency Offset Estimation
    • Carrier Phase Recovery
    • Symbol Timing Recovery
    • Timing Error Detectors and Tracking Loops
    • Sampling Clock Offset Compensation
    • Coarse and Fine Synchronization Stages
    • Doppler Acquisition and Tracking
    • Synchronization in OFDM Receivers
    • Pilot-Aided and Decision-Directed Tracking
    • Acquisition Time and False Detection Tradeoffs
    • Synchronization Failure Diagnosis
  10. 42Channel Estimation and Equalization12 тем
    • Training Sequences and Pilot Design
    • Least-Squares and MMSE Channel Estimation
    • Time and Frequency Interpolation
    • Channel Tracking Under Mobility
    • Zero-Forcing and MMSE Equalizers
    • Linear and Decision-Feedback Equalization
    • Adaptive Equalization with LMS and RLS
    • Frequency-Domain Equalization
    • MIMO Channel Estimation
    • Equalization Error Propagation
    • Joint Estimation of Channel and RF Impairments
    • Estimation Overhead and Performance Tradeoffs
  11. 43Diversity and MIMO Communication12 тем
    • Time, Frequency, and Spatial Diversity
    • Selection and Maximal-Ratio Combining
    • Transmit Diversity and Space-Time Coding
    • Spatial Multiplexing and Channel Rank
    • MIMO Capacity and Singular Value Decomposition
    • Linear MIMO Detection
    • Successive Interference Cancellation
    • Precoding with Channel State Information
    • Antenna Correlation and Diversity Performance
    • Diversity-Multiplexing Tradeoffs
    • Feedback Accuracy and Channel Aging
    • MIMO Performance Evaluation in Realistic Channels
  12. 44Multiuser and Massive MIMO Systems12 тем
    • Multiuser Spatial Multiplexing
    • Uplink and Downlink Beamforming
    • TDD Reciprocity and Calibration Requirements
    • Channel State Information Acquisition
    • Pilot Contamination and Pilot Reuse
    • User Grouping and Spatial Compatibility
    • Digital and Hybrid Multiuser Precoding
    • Beam Training, Tracking, and Recovery
    • Wideband and Near-Field Array Effects
    • Fronthaul and Processing Requirements
    • Array Gain, Coverage, and Energy Tradeoffs
    • Massive MIMO Deployment Constraints
  13. 45Link Adaptation and Retransmission Protocols11 тем
    • Modulation and Coding Scheme Selection
    • Channel Quality Indicators and Feedback Delay
    • Inner-Loop and Outer-Loop Link Adaptation
    • Packet Error Rate Targets
    • Automatic Repeat Request Strategies
    • Hybrid ARQ and Soft Combining
    • Chase Combining and Incremental Redundancy
    • Retransmission Timing and Buffer Requirements
    • Reliability and Latency Tradeoffs
    • Adaptation Under Rapid Channel Changes
    • Goodput and Effective Spectral Efficiency
  14. 46Multiple Access and Radio Resource Allocation12 тем
    • FDMA, TDMA, CDMA, and OFDMA
    • Contention-Based and Scheduled Access
    • Random Access and Collision Resolution
    • Uplink and Downlink Scheduling
    • Round-Robin, Proportional-Fair, and QoS-Aware Scheduling
    • Power Control and Near-Far Effects
    • Admission Control and Resource Reservation
    • Frequency, Time, Code, and Spatial Resource Reuse
    • Scheduling Under Latency and Reliability Constraints
    • Grant-Based and Grant-Free Access Concepts
    • Resource Allocation with Incomplete Channel Knowledge
    • Fairness, Efficiency, and Cell-Edge Performance
  15. 47Duplexing, Interference, and Spectrum Coexistence12 тем
    • Frequency-Division and Time-Division Duplexing
    • Duplexer Isolation and Guard Bands
    • TDD Frame Alignment and Cross-Link Interference
    • Cochannel and Adjacent-Channel Interference
    • Carrier Aggregation and Multiradio Interactions
    • Interference Coordination and Resource Partitioning
    • Listen-Before-Talk and Shared-Channel Access
    • Full-Duplex Concepts and Self-Interference Cancellation
    • Dynamic Spectrum Access and Sensing Limitations
    • Hidden Nodes, Exposed Nodes, and Coexistence Failures
    • Interference-Limited Network Performance
    • Coexistence Evaluation Across Radio Technologies
  16. 48Software-Defined and Reconfigurable Radios12 тем
    • SDR Hardware and Software Partitioning
    • RF Front Ends, Converters, and Host Interfaces
    • Streaming I/Q Data and Metadata
    • Flowgraph and Block-Based Modem Design
    • Real-Time Throughput and Buffer Management
    • Timestamping and Timed Transmission
    • Multiradio Synchronization and Coherent Operation
    • FPGA, DSP, and CPU Processing Boundaries
    • Calibration of SDR Frequency and Amplitude
    • Reconfigurable Waveforms and Radio Parameters
    • Conducted and Shielded SDR Test Setups
    • Reproducible Radio Experiments
  17. 49Link-Level and Network-Level Simulation12 тем
    • Choosing Simulation Abstraction Levels
    • Reference Waveform and Channel Generation
    • Incorporating RF Impairments into Link Models
    • BER, BLER, Throughput, and Latency Metrics
    • Monte Carlo Stopping Criteria
    • Link-to-System Performance Mapping
    • Mobility and Traffic Models
    • Interference and Scheduler Modeling
    • Sensitivity to Model Assumptions
    • Comparing Simulation with Measurements
    • Parameter Sweeps and Reproducible Configurations
    • Reporting Uncertainty and Model Limitations

Этап 4

Networks, Cellular & 5G

От бэкхола до ядра 5G

14 модулей · 169 тем

  1. 50Telecommunications Network Architecture11 тем
    • Access, Aggregation, Metro, and Backbone Layers
    • Circuit Switching and Packet Switching
    • Control, User, and Management Planes
    • Logical Services and Physical Infrastructure
    • Protocol Layers and Encapsulation Overhead
    • Subscriber, Device, and Service Identities
    • Network Interconnection and Administrative Domains
    • Centralized and Distributed Network Functions
    • Service Chains and End-to-End Traffic Paths
    • Redundancy, Protection, and Restoration
    • Reference Architectures and Interface Specifications
  2. 51Teletraffic, Queueing, and Capacity Dimensioning12 тем
    • Offered Traffic, Carried Traffic, and Busy-Hour Demand
    • Traffic Distributions and Burstiness
    • Erlang Models and Blocking Probability
    • Queueing Models and Service Rates
    • Little's Law and Delay Relationships
    • Statistical Multiplexing and Oversubscription
    • Buffer Sizing and Congestion Behavior
    • Latency Percentiles and Tail Performance
    • Service Classes and Traffic Prioritization
    • Capacity Headroom and Growth Forecasts
    • Dimensioning Links, Nodes, and Shared Resources
    • Comparing Analytical Models with Operational Data
  3. 52Carrier Packet Transport12 тем
    • Ethernet Services in Operator Networks
    • VLANs and Service Separation
    • IP Routing at Telecom Domain Boundaries
    • MPLS and Segment Routing Concepts
    • Layer 2 and Layer 3 VPN Services
    • Traffic Engineering and Path Constraints
    • QoS Classification, Marking, and Scheduling
    • Policing, Shaping, and Congestion Management
    • Fast Reroute and Protection Paths
    • Transport OAM and Service Fault Localization
    • MTU, Encapsulation, and Fragmentation Constraints
    • Carrier Transport Performance and SLA Verification
  4. 53Telecom Synchronization and Timing Distribution12 тем
    • Frequency, Phase, and Time Synchronization
    • Synchronization Requirements for Radio Networks
    • Primary Reference Sources and GNSS Timing
    • Synchronous Ethernet
    • Precision Time Protocol and Telecom Profiles
    • Boundary Clocks and Transparent Clocks
    • Packet Delay Variation and Path Asymmetry
    • Timing Distribution Across Fronthaul and Backhaul
    • Holdover Performance and Oscillator Stability
    • Timing Redundancy and Source Selection
    • Time Error Budgets and Measurement
    • Synchronization Faults and Service Impact
  5. 54Fixed Broadband Access Systems12 тем
    • Fixed Access Architecture and Subscriber Demarcation
    • Copper Access and DSL System Concepts
    • Cable Access and DOCSIS Architecture
    • Shared-Medium Upstream and Downstream Scheduling
    • Fiber-to-the-Home and Passive Optical Network Architecture
    • OLT, ONU, and ONT Functional Roles
    • PON Split Ratios, Reach, and Capacity Planning
    • Dynamic Bandwidth Allocation in Access Networks
    • Fixed Wireless Access and Customer Premises Equipment
    • Service Provisioning and Access Authentication Interfaces
    • Access Bottlenecks and User Throughput
    • Migration and Coexistence Between Access Generations
  6. 55Optical Transport Network Engineering12 тем
    • Point-to-Point, Ring, and Mesh Transport Topologies
    • Wavelength-Division Multiplexing at Network Level
    • Optical Line Systems and Transponder Interfaces
    • OTN Framing, Mapping, and Service Grooming
    • ROADM Nodes and Wavelength Routing
    • Spectrum Assignment and Channel Planning
    • Reach, Loss, and OSNR Constraints in Network Design
    • Protection, Restoration, and Shared-Risk Groups
    • Packet-Optical Integration
    • Transport Capacity Expansion and Alien Wavelength Interfaces
    • Optical Performance Monitoring and Fault Isolation
    • Handoff Between Transport Planning and Photonic Engineering
  7. 56Microwave and Millimeter-Wave Backhaul12 тем
    • Point-to-Point Radio Link Architecture
    • Path Profiles and Line-of-Sight Feasibility
    • Tower Height and Fresnel Clearance Planning
    • Frequency and Channel Pair Selection
    • Rain Fade and Multipath Availability Design
    • Antenna Size, Alignment, and Wind Loading Interfaces
    • Adaptive Modulation and Capacity Variation
    • Cross-Polarization and Dual-Polarized Links
    • Space, Frequency, and Route Diversity
    • Ethernet Transport over Microwave Links
    • Backhaul Topology and Resilience
    • Installation Acceptance and Long-Term Link Monitoring
  8. 57Cellular Evolution and LTE Systems12 тем
    • Cellular Reuse, Sectors, and Mobility Foundations
    • Evolution from Circuit-Switched to Packet-Based Mobile Networks
    • LTE Radio Access and Evolved Packet Core
    • eNodeB, MME, Serving Gateway, and Packet Gateway Roles
    • LTE Uplink and Downlink Waveforms
    • Resource Blocks, Reference Signals, and Physical Channels
    • Bearers and Quality-of-Service Classes
    • LTE Registration and Connectivity Procedures
    • Carrier Aggregation and LTE-Advanced Concepts
    • Mobility and Inter-RAT Interworking
    • LTE Measurement and Performance Indicators
    • Legacy Network Migration and Service Continuity
  9. 585G NR Air Interface13 тем
    • NR Frequency Ranges and Channel Bandwidth Concepts
    • Numerology, Slots, Symbols, and Resource Grids
    • Bandwidth Parts and Flexible Resource Use
    • Synchronization Signal Blocks and Cell Search
    • Random Access and Initial Uplink Timing
    • Physical Data, Control, and Broadcast Channels
    • Reference Signals and Channel Measurements
    • NR Coding, Modulation, and Rate Matching
    • Beam Management and Beam Failure Recovery
    • Uplink Power Control
    • HARQ Timing and Scheduling Relationships
    • Carrier Aggregation and Dual Connectivity
    • Physical-Layer Overhead and Achievable Throughput
  10. 595G Radio Access Network Architecture12 тем
    • gNodeB Functions and NG-RAN Interfaces
    • Radio Units, Distributed Units, and Centralized Units
    • Functional Split Options and Tradeoffs
    • CU Control-Plane and User-Plane Separation
    • SDAP, PDCP, RLC, MAC, and PHY Responsibilities
    • RRC States and Connection Management
    • Fronthaul, Midhaul, and Backhaul Requirements
    • Standalone and Non-Standalone Deployment Architectures
    • Inter-Node Coordination and Mobility Interfaces
    • Radio Resource Control and Measurement Configuration
    • RAN Processing Placement and Latency Constraints
    • RAN Integration and Interface Validation
  11. 605G Core, Sessions, and Subscriber Connectivity13 тем
    • Service-Based Core Architecture
    • AMF, SMF, and UPF Responsibilities
    • Subscriber Data, Authentication, and Policy Functions
    • Network Function Discovery and Service Communication
    • Registration and Subscriber Reachability
    • PDU Session Establishment and Release
    • QoS Flows and Radio Bearer Mapping
    • User-Plane Anchoring and Local Breakout
    • Network Slice Selection and Service Isolation
    • Mobility Within and Between Access Networks
    • Roaming and Inter-Operator Interfaces
    • Non-3GPP Access Integration
    • Core Signaling Traces and Procedure Analysis
  12. 61Cellular Mobility and Radio Resource Management12 тем
    • Idle, Inactive, and Connected Mobility
    • Cell Selection and Reselection
    • Measurement Events and Reporting Thresholds
    • Handover Preparation and Execution
    • Hysteresis, Time-to-Trigger, and Ping-Pong Behavior
    • Mobility Robustness and Failure Recovery
    • Load Balancing and Admission Control
    • Interference Coordination Between Cells
    • Uplink and Downlink Power Management
    • Carrier and Beam Selection Policies
    • High-Mobility and Cell-Edge Scenarios
    • Mobility and Resource-Management KPI Analysis
  13. 62Cellular Network Planning and Optimization13 тем
    • Coverage-Driven and Capacity-Driven Planning
    • Site Selection and Sector Configuration
    • Antenna Height, Azimuth, and Electrical Tilt
    • Propagation Model Calibration for Cellular Deployment
    • Frequency Reuse and Interference Planning
    • Traffic Hotspots and Capacity Distribution
    • Uplink-Limited and Downlink-Limited Coverage
    • RSRP, RSRQ, SINR, and Throughput Interpretation
    • Neighbor Relations and Mobility Parameter Planning
    • Drive-Test and Crowdsourced Data Analysis
    • Coverage Holes, Overshooting Cells, and Pilot Pollution
    • Optimization Changes and Before-After Validation
    • Capacity Expansion and Network Densification
  14. 63Indoor Cellular Coverage and Distributed Radio Systems11 тем
    • Indoor Radio Requirements and Building Surveys
    • Distributed Antenna System Architectures
    • Passive, Active, and Hybrid DAS
    • Repeaters and Donor Link Constraints
    • Small Cells and Indoor Radio Nodes
    • Multi-Operator and Neutral-Host Designs
    • Feeder, Splitter, and Antenna Distribution Budgets
    • Isolation, Feedback, and Oscillation Prevention
    • Floor-to-Floor and Indoor-Outdoor Interference
    • Emergency Coverage and Site-Specific Requirements
    • Indoor Acceptance Measurements and Documentation

Этап 5

Wi-Fi, IoT, Satellite & Spectrum

Wi-Fi, IoT, спутники, спектр

22 модуля · 266 тем

  1. 64Wireless LAN Physical Layers12 тем
    • IEEE 802.11 PHY Evolution and Compatibility
    • Channel Bands, Widths, and Bonding
    • OFDM and OFDMA in WLAN Systems
    • High-Order Modulation and Coding Requirements
    • MIMO and Multiuser Transmission
    • Guard Intervals and Channel Delay Spread
    • Preambles, Training Fields, and Packet Detection
    • Resource Units and Channel Puncturing
    • Beamforming Sounding and Feedback
    • Wi-Fi 6, 6E, and 7 Capability Differences
    • WLAN Transmitter and Receiver Performance Metrics
    • PHY Rate, Airtime, and Application Throughput
  2. 65Wireless LAN MAC and Network Operation12 тем
    • Basic Service Sets and Extended Service Sets
    • Scanning, Authentication, and Association
    • CSMA/CA, Backoff, and Channel Contention
    • Acknowledgments, Retries, and Block Acknowledgment
    • Frame Aggregation and Airtime Efficiency
    • WLAN Quality-of-Service Mechanisms
    • Triggered Uplink and Multiuser Scheduling
    • Power Save and Target Wake Time
    • Multi-Link Operation
    • Roaming and Fast Transition Concepts
    • Management Frames and Radio Resource Measurements
    • Controller-Based and Distributed WLAN Architectures
  3. 66WLAN Planning and Performance Validation12 тем
    • Coverage and Capacity Requirements for WLANs
    • Predictive, Passive, and Active Site Surveys
    • Access Point Placement and Antenna Selection
    • Channel Reuse and Transmit Power Planning
    • Channel Width Tradeoffs in Dense Deployments
    • Band Availability and Client Capability Constraints
    • Airtime Utilization and Contention Analysis
    • Hidden Nodes and Non-Wi-Fi Interference
    • Client Roaming and Sticky-Client Behavior
    • High-Density Venue Design
    • Application-Level WLAN Acceptance Tests
    • WLAN Troubleshooting from RF and Packet Evidence
  4. 67Bluetooth and Personal-Area Radio Systems12 тем
    • Bluetooth Classic and Bluetooth Low Energy Architectures
    • Frequency Hopping and Channel Selection
    • Advertising, Scanning, and Connection Establishment
    • Connection Intervals and Event Scheduling
    • LE PHY Options and Range Tradeoffs
    • Profiles, Services, and Attribute Communication
    • Throughput, Latency, and Energy Budgeting
    • Pairing and Radio-Link Security Interfaces
    • LE Audio and Isochronous Communication Concepts
    • Bluetooth Mesh Operation
    • Direction Finding and Ranging Capabilities
    • Bluetooth and WLAN Coexistence
  5. 68Low-Power Mesh and IEEE 802.15.4 Networks12 тем
    • IEEE 802.15.4 PHY and MAC Foundations
    • Low-Rate Links and Small-Packet Overhead
    • Sleep Scheduling and Battery-Life Constraints
    • Star, Tree, and Mesh Topologies
    • Zigbee and Thread Networking Roles
    • Channel Access and Collision Management
    • Time-Slotted Channel Hopping
    • Mesh Routing and Network Formation
    • Thread Border Routers and IP Connectivity
    • Link Quality and Parent Selection
    • Mesh Capacity, Scalability, and Failure Recovery
    • Commissioning and Multi-Vendor Interoperability
  6. 69RFID, NFC, and Backscatter Communication12 тем
    • Active, Passive, and Battery-Assisted Tags
    • Inductive Coupling and Near-Field Communication
    • Far-Field RFID and Backscatter Modulation
    • Reader-Tag Link Budgets
    • Tag Antenna Matching and Orientation
    • Energy Harvesting and Tag Activation Thresholds
    • Inventory Procedures and Anti-Collision Methods
    • Reader Interference and Dense Reader Environments
    • Materials, Liquids, and Metal Detuning Effects
    • Read-Zone Design and Reliability
    • NFC Operating Modes and System Interfaces
    • RFID and NFC Application Validation
  7. 70Low-Power Wide-Area Networks12 тем
    • LPWAN Coverage, Capacity, and Energy Objectives
    • Narrowband and Spread-Spectrum LPWAN Approaches
    • LoRa PHY and LoRaWAN Architecture
    • End Devices, Gateways, and Network Servers
    • Device Classes and Receive Windows
    • Adaptive Data Rate and Link Margin
    • Airtime, Duty Cycle, and Regional Constraints
    • Uplink Capacity and Downlink Limitations
    • Collision Probability and Gateway Diversity
    • Battery-Life Estimation from Traffic Profiles
    • LoRaWAN, Proprietary LPWAN, and Cellular Tradeoffs
    • LPWAN Deployment Validation and Scaling Limits
  8. 71Cellular IoT and Reduced-Capability Devices11 тем
    • LTE-M and NB-IoT Service Characteristics
    • Coverage Enhancement and Repetition
    • Power Saving Mode and Extended Discontinuous Reception
    • Small-Data Transmission and Signaling Overhead
    • Device Registration and Connectivity Lifecycle
    • Mobility and Latency Tradeoffs in Cellular IoT
    • NR Reduced-Capability Device Concepts
    • Module, Antenna, and Subscription Integration
    • Battery-Life and Coverage Budgeting
    • Large Device Populations and Access Congestion
    • Cellular IoT Provisioning and Field Validation
  9. 72Private and Industrial Wireless Networks12 тем
    • Private LTE and Private 5G Deployment Models
    • Industrial Traffic Classes and Service Requirements
    • Coverage in Factories, Warehouses, and Campuses
    • Local Core and Edge Application Connectivity
    • Deterministic Latency and Time-Sensitive Networking Interfaces
    • Reliability Through Diversity and Redundant Paths
    • Mobility of Industrial Devices and Vehicles
    • Coexistence with Existing Industrial Radios
    • Spectrum Access and Deployment Constraints
    • Device Onboarding and Operational Segmentation
    • Wireless Site Acceptance for Industrial Applications
    • Service Continuity During Maintenance and Failures
  10. 73Satellite Communication Systems13 тем
    • GEO, MEO, and LEO Communication Architectures
    • Ground, Space, and User Segments
    • Bent-Pipe and Regenerative Payloads
    • Uplink, Downlink, and Feeder Links
    • Satellite Link Budgets and G/T
    • Orbital Geometry, Visibility, and Coverage
    • Propagation Delay and Doppler Effects
    • Rain Fade and Site Diversity
    • Satellite Transponder Bandwidth and Power Allocation
    • Spot Beams and Frequency Reuse
    • Gateway Placement and Ground Network Connectivity
    • Satellite Terminal Antennas and Tracking
    • Satellite Service Capacity and Availability Planning
  11. 74Non-Terrestrial and Airborne Mobile Networks12 тем
    • Integration of Terrestrial and Non-Terrestrial Access
    • NR NTN and IoT NTN Architecture Concepts
    • Timing Advance Under Long Propagation Delays
    • Doppler Compensation and Frequency Accuracy
    • Moving Beams and Mobility Management
    • Satellite Ephemeris and User Location Assistance
    • Direct-to-Device Link Constraints
    • Intermittent Coverage and Store-and-Forward Services
    • High-Altitude Platform Communication Systems
    • Air-to-Ground Link Geometry and Antenna Pointing
    • Service Continuity Across Terrestrial and Satellite Networks
    • NTN Capacity, Device Energy, and Coverage Tradeoffs
  12. 75Broadcasting and Point-to-Multipoint Distribution12 тем
    • Broadcast, Multicast, and Unicast Service Models
    • Terrestrial Radio and Television Transmission Chains
    • Digital Broadcast Modulation and Coding
    • DVB and ATSC System Families
    • Digital Audio Broadcasting Concepts
    • Single-Frequency and Multifrequency Networks
    • Transmitter Synchronization and Guard Intervals
    • Coverage Planning and Cochannel Interference
    • Fixed, Portable, and Mobile Reception Requirements
    • Broadcast Multiplexing and Service Capacity
    • Multicast Distribution over Mobile and IP Networks
    • Broadcast Quality Monitoring and Service Continuity
  13. 76Land Mobile Radio and Mission-Critical Communications11 тем
    • Conventional and Trunked Radio Architectures
    • Simplex, Repeater, and Dispatch Operation
    • Digital Mobile Radio, TETRA, and P25 System Concepts
    • Group Calls, Priority, and Preemption
    • Direct Mode and Infrastructure-Independent Communication
    • Coverage Reliability and Speech Intelligibility
    • Channel Access Time and Call Setup Performance
    • Push-to-Talk over Broadband Networks
    • Interoperability Between Radio System Generations
    • Resilience, Backup Power, and Emergency Operation
    • Mission-Critical Service Acceptance Criteria
  14. 77Vehicular and Transportation Communication12 тем
    • Vehicle-to-Vehicle and Vehicle-to-Infrastructure Links
    • Direct Sidelink and Network-Assisted Communication
    • IEEE 802.11-Based and Cellular V2X Approaches
    • High-Speed Mobility and Rapidly Changing Channels
    • Message Latency, Reliability, and Congestion
    • Roadside Unit Coverage and Placement
    • Vehicle Antenna Placement and Diversity
    • Communication Along Roads, Railways, and Tunnels
    • Railway Radio Service Requirements
    • Transport Network Handover and Coverage Continuity
    • Interference and Coexistence in Transportation Corridors
    • Field Validation of Transport Communication Services
  15. 78RF Positioning, Ranging, and Timing Systems12 тем
    • Received-Signal-Strength Positioning
    • Time of Arrival and Time Difference of Arrival
    • Two-Way Ranging and Round-Trip Time
    • Angle of Arrival and Angle of Departure
    • Geometric Dilution of Precision
    • Synchronization Requirements for Ranging
    • GNSS Signal Acquisition and Measurement Concepts
    • UWB, WLAN, Bluetooth, and Cellular Positioning
    • Multipath and Non-Line-of-Sight Bias
    • Positioning Accuracy, Integrity, and Availability
    • Sensor Fusion Interfaces for Radio Measurements
    • Positioning Test Scenarios and Ground Truth
  16. 79Radar and RF Sensing Foundations12 тем
    • Radar Range Equations and Detection Budgets
    • Continuous-Wave and Pulsed Radar Concepts
    • FMCW Waveforms and Beat-Frequency Processing
    • Range and Doppler Resolution
    • Matched Filtering and Pulse Compression
    • Range-Doppler Maps
    • Clutter, Noise, and Detection Thresholds
    • Array-Based Angle Estimation
    • MIMO Radar Concepts
    • Motion, Presence, and Environmental RF Sensing
    • Communication-Sensing Resource Sharing
    • Calibration and Measurement Limits in RF Sensing
  17. 80Voice, Multimedia, and Telecom Service Engineering13 тем
    • Voice Sampling, Coding, and Packetization
    • SIP Signaling and Session Establishment
    • RTP, RTCP, and Media Transport
    • IMS Architecture and Service Control
    • VoLTE, VoNR, and Wi-Fi Calling Concepts
    • Call Setup, Registration, and Session Continuity
    • Codec Selection and Bandwidth Requirements
    • Jitter Buffers and Packet Loss Concealment
    • Voice Quality, MOS, and Objective Evaluation
    • Video Streaming, Adaptation, and Buffering
    • Multicast and Content Distribution Interfaces
    • Emergency Calling and Location Service Interfaces
    • End-to-End Service Quality and Experience
  18. 81Virtualized, Cloud-Based, and Open Radio Networks12 тем
    • Network Function Virtualization and Telecom Workloads
    • Virtualized and Containerized Network Functions
    • Control-Plane and User-Plane Placement
    • Virtual RAN Processing Requirements
    • Open RAN Functional Architecture
    • Open Fronthaul and Radio Interoperability
    • RAN Intelligent Controllers and Control Timescales
    • Central, Regional, and Edge Processing Tradeoffs
    • Acceleration and Real-Time Processing Constraints
    • Transport, Synchronization, and Compute Dependencies
    • Multi-Vendor Integration and Fault Boundaries
    • Performance and Resilience Validation of Disaggregated Networks
  19. 82Telecom Management, Automation, and Service Operations13 тем
    • OSS and BSS Responsibilities
    • Inventory and Network Resource Models
    • Configuration, Fault, Performance, and Accounting Management
    • Service Provisioning and Activation Workflows
    • Network Telemetry and Performance Counters
    • Alarm Correlation and Root-Cause Analysis
    • Service Assurance and SLA Monitoring
    • Policy-Based and Closed-Loop Automation
    • Network Slice Lifecycle Management
    • Configuration Drift and Change Control
    • Capacity Forecasting from Operational Data
    • Incident Escalation and Cross-Domain Ownership
    • Operational Documentation and Audit Trails
  20. 83Telecom Security and Network Resilience13 тем
    • Trust Boundaries in Radio and Core Networks
    • Subscriber Authentication and Identity Protection
    • SIM, USIM, and eSIM Security Roles
    • Link Encryption and Integrity Protection
    • Management-Plane Access and Segmentation
    • Roaming and Interconnection Security Boundaries
    • Signaling Overload and Resource Exhaustion Resilience
    • Detection of Unauthorized Network Elements
    • Secure Configuration and Equipment Lifecycle
    • Redundant Sites, Links, Power, and Timing Sources
    • Failover, Restoration, and Disaster Recovery
    • Privacy and Retention of Network Measurement Data
    • Security and Resilience Verification Scenarios
  21. 84Spectrum Planning and Coordination12 тем
    • Spectrum Allocation, Allotment, and Assignment
    • Licensed, License-Exempt, and Shared Spectrum Models
    • Primary and Secondary Service Relationships
    • Channel Plans and Frequency Coordination
    • Emission Designators and Occupied Bandwidth
    • EIRP, Power Spectral Density, and Antenna Constraints
    • Interference Protection and Coordination Studies
    • Cross-Border and Adjacent-Service Considerations
    • Dynamic Sharing and Database-Assisted Access Concepts
    • Spectrum Monitoring and Occupancy Analysis
    • Local Rules and Authorization Requirements
    • Spectrum Records and Configuration Traceability
  22. 85RF Exposure, Equipment Compliance, and Test Evidence12 тем
    • Applicable Requirements by Product and Market
    • Intentional and Unintentional Radiator Classifications
    • Conducted and Radiated Emission Limits as Design Inputs
    • Receiver Requirements and Spectrum Compatibility
    • RF Exposure Assessment Concepts
    • Specific Absorption Rate and Power Density
    • User, Installer, and Occupational Exposure Scenarios
    • Antenna and Power Changes Affecting Compliance
    • Equipment Authorization and Conformity Documentation
    • Accredited Laboratory Interfaces and Test Planning
    • Measurement Uncertainty and Compliance Margins
    • Product Changes and Reassessment Requirements

Этап 6

Measurement, Deployment & Operations

Измерено, развёрнуто, поддержано в работе

10 модулей · 118 тем

  1. 86Vector Network Analyzer Measurements12 тем
    • VNA Architecture and Measurement Receivers
    • One-Port and Two-Port Calibration
    • SOLT, TRL, and Electronic Calibration Concepts
    • Calibration Standards and Reference Plane Selection
    • Cable, Connector, and Fixture Repeatability
    • Port Extension and Fixture De-Embedding
    • Dynamic Range and Measurement Noise
    • S-Parameter Measurements of Passive and Active Devices
    • Differential and Mixed-Mode Measurements
    • Time-Domain Transforms and Gating
    • Measuring Filters, Matching Networks, and Interconnects
    • Calibration Verification and Uncertainty Reporting
  2. 87Spectrum and Modulated-Signal Measurements12 тем
    • Spectrum Analyzer and Vector Signal Analyzer Architectures
    • Resolution Bandwidth and Video Bandwidth
    • Detector Modes and Sweep Settings
    • Instrument Noise Floor and Input Overload
    • Occupied Bandwidth and Channel Power
    • Harmonic, Spurious, and Adjacent-Channel Measurements
    • Time-Gated and Burst Signal Analysis
    • Constellation, EVM, and Frequency Error Measurements
    • IQ Imbalance and Carrier Leakage Diagnosis
    • Phase Noise and Jitter Measurements
    • Vector Signal Generation and Calibrated Stimuli
    • Measurement Settings and Repeatable Test Results
  3. 88RF Noise, Linearity, and Power Measurements12 тем
    • Noise Figure Measurement and the Y-Factor Method
    • Noise Sources and Excess Noise Ratio
    • Gain and Noise Calibration
    • One-Tone Compression Measurements
    • Two-Tone Intermodulation Testing
    • Load-Pull and Source-Pull Measurement Concepts
    • Average, Peak, and Burst Power Measurements
    • Power Sensor Selection and Calibration
    • Modulated PA Efficiency and Linearity Testing
    • Receiver Blocking and Sensitivity Measurements
    • Cable Loss, Mismatch, and Measurement Corrections
    • Instrument Limitations and Measurement Error Budgets
  4. 89Antenna and Over-the-Air Testing12 тем
    • Far-Field, Near-Field, and Compact Antenna Ranges
    • Anechoic and Reverberation Chamber Concepts
    • Gain, Efficiency, and Radiation Pattern Measurements
    • Polarization and Axial Ratio Measurements
    • Antenna Positioning and Coordinate Systems
    • Total Radiated Power and Total Isotropic Sensitivity
    • Active Antenna and Beamforming OTA Measurements
    • MIMO OTA and Channel Emulation Concepts
    • Device Orientation, Enclosure, and User Effects
    • Chamber Calibration and Quiet-Zone Quality
    • Conducted-to-Radiated Performance Correlation
    • OTA Measurement Uncertainty and Repeatability
  5. 90Protocol, Network, and Field Measurements12 тем
    • Packet Capture and Signaling Trace Analysis
    • Correlating Radio Events with Protocol Events
    • Throughput, Goodput, Latency, and Jitter Tests
    • Active and Passive Service Measurements
    • Drive Tests, Walk Tests, and Stationary Campaigns
    • Scanner, Test Device, and Network Counter Differences
    • Channel Emulators and Controlled Fading Tests
    • Traffic Generation and Representative Workloads
    • Timestamp Alignment Across Measurement Systems
    • Coverage and Performance Map Construction
    • Sampling Bias and Field-Test Repeatability
    • Linking User Experience to Network Measurements
  6. 91Conformance and Interoperability Engineering11 тем
    • Standards Requirements and Test Case Traceability
    • Protocol, RF, and Radio Resource Management Conformance
    • Mandatory and Optional Feature Support
    • Capability Negotiation and Backward Compatibility
    • Interoperability Across Devices and Network Vendors
    • Test Profiles, Configurations, and Reference Equipment
    • Positive, Negative, and Boundary Test Cases
    • Regression Testing After Firmware and Configuration Changes
    • Failure Reproduction and Standards Interpretation
    • Certification Program Scope and Limitations
    • Evidence Packages and Defect Closure
  7. 92Deployment, Commissioning, and Site Acceptance11 тем
    • Site Survey and Installation Readiness
    • Antenna Position, Orientation, and Mechanical Interfaces
    • Feeder, Connector, and Cable Installation Quality
    • Grounding, Lightning Protection, and Power Interfaces
    • Backhaul, Timing, and Management Connectivity
    • Equipment Configuration and Parameter Baselines
    • Initial RF and Network Health Checks
    • Coverage, Capacity, and Service Acceptance Tests
    • Integration with Existing Network Infrastructure
    • Acceptance Records and As-Built Documentation
    • Handover to Operations and Support Teams
  8. 93Troubleshooting and Lifecycle Engineering12 тем
    • Symptom-Based RF and Network Fault Isolation
    • Distinguishing Coverage, Capacity, and Interference Problems
    • Cable, Connector, Antenna, and Water-Ingress Faults
    • Oscillation, Desensitization, and Passive Intermodulation Diagnosis
    • Clock, Timing, and Frequency Reference Failures
    • Protocol Mismatch and Configuration Errors
    • Intermittent and Environment-Dependent Faults
    • Equipment Replacement and Configuration Restoration
    • Firmware Upgrades and Service Continuity
    • Obsolescence, Technology Migration, and Decommissioning
    • Root-Cause Reports and Corrective Action Verification
    • Long-Term Performance Baselines and Trend Analysis
  9. 94Energy Efficiency and Operational Design Tradeoffs11 тем
    • Energy per Bit and Energy per Delivered Service
    • RF Chain, Baseband, and Network Power Consumption
    • PA Efficiency Under Real Traffic Conditions
    • Device Sleep, Wakeup, and Signaling Energy
    • Base Station Sleep Modes and Capacity Availability
    • Antenna Count and Processing Energy Tradeoffs
    • Cooling and Thermal Constraints of Radio Equipment
    • Backhaul and Edge Placement Energy Effects
    • Coverage Expansion Versus Network Densification
    • Equipment Cost, Site Cost, and Lifecycle Cost
    • Performance, Energy, and Reliability Trade Studies
  10. 95Research Directions and Evolving Wireless Standards13 тем
    • 5G-Advanced Capabilities and Deployment Evaluation
    • IMT-2030 Framework and Research Objectives
    • Sub-Terahertz Communication Challenges
    • Reconfigurable Intelligent Surfaces
    • Cell-Free and Distributed Massive MIMO
    • Extremely Large Aperture and Near-Field Communication
    • Integrated Sensing and Communication Research
    • AI-Assisted Radio Resource and Network Optimization
    • Learning-Based Channel Estimation and Receiver Concepts
    • Energy-Harvesting and Ambient IoT Communication
    • Evolving WLAN Reliability and Coordination Features
    • Research Prototypes, Draft Standards, and Deployment Evidence
    • Evaluating New Techniques Against Conventional Baselines

Этап 7

Practicum & Project

Радиосистема — от схемы до сервиса

5 модулей · 54 темы

  1. 96RF Front-End Design Practicum10 тем
    • Defining Band, Bandwidth, Gain, and Noise Requirements
    • Building Cascaded Noise and Linearity Budgets
    • Selecting Amplifiers, Mixers, Filters, and Synthesizers
    • Creating a Frequency Plan and Spur Map
    • Designing Matching and Bias Networks
    • Simulating Circuit and Interconnect Performance
    • Preparing an RF Board or Module Integration Plan
    • Defining Calibration and Bench Test Procedures
    • Comparing Measured and Predicted Performance
    • Documenting Tradeoffs and Unresolved Design Margins
  2. 97Antenna and Radio Link Design Practicum10 тем
    • Defining a Coverage and Availability Scenario
    • Selecting Antenna Type, Gain, and Polarization
    • Modeling Propagation and Environmental Losses
    • Building Uplink and Downlink Budgets
    • Evaluating Antenna Placement and Orientation
    • Assessing Interference and Fade Margins
    • Simulating or Measuring Antenna Performance
    • Conducting a Controlled Link Validation
    • Comparing Coverage Predictions with Measurements
    • Preparing a Link Design and Acceptance Report
  3. 98Modem and SDR Implementation Practicum11 тем
    • Specifying a Waveform and Frame Structure
    • Implementing Modulation and Pulse Shaping
    • Adding Error Detection and Channel Coding
    • Building Acquisition and Synchronization Stages
    • Estimating Channels and Equalizing Received Signals
    • Modeling Frequency, Timing, and IQ Impairments
    • Measuring BER, BLER, EVM, and Goodput
    • Integrating a Real-Time SDR Processing Chain
    • Validating over Conducted or Shielded Links
    • Recording Configurations and Reproducible Results
    • Explaining Gaps Between Ideal and Hardware Performance
  4. 99Network Planning and Service Validation Practicum11 тем
    • Defining Users, Traffic, Mobility, and Service Targets
    • Selecting Access and Transport Technologies
    • Planning Sites, Channels, and Capacity
    • Allocating Backhaul, Timing, and Core Resources
    • Evaluating Coverage and Interference
    • Modeling Busy-Hour and Failure Scenarios
    • Designing QoS and Service Acceptance Tests
    • Collecting Radio, Protocol, and Application Measurements
    • Diagnosing Bottlenecks Across Network Domains
    • Proposing and Validating Configuration Improvements
    • Delivering a Network Design and Operations Handoff
  5. 100Integrated RF, Wireless, and Telecommunications Project12 тем
    • Selecting an RF, Wireless, or Telecom System Scope
    • Defining Requirements and Measurable Success Criteria
    • Developing the End-to-End System Architecture
    • Allocating RF, Link, Capacity, and Latency Budgets
    • Choosing Components, Waveforms, and Network Interfaces
    • Building Models and Representative Prototypes
    • Planning Spectrum Access and Applicable Compliance Tests
    • Verifying Hardware, Link, and Service Performance
    • Evaluating Interference, Mobility, and Failure Conditions
    • Quantifying Uncertainty and Remaining Limitations
    • Preparing Design, Test, and Deployment Documentation
    • Presenting Engineering Evidence and System Tradeoffs

Пятнадцать минут.Каждый день.

  1. 1

    Урок влезает в обеденный перерыв

    По одной мысли за раз, на коротких слайдах. Весь урок — около пятнадцати минут.

  2. 2

    Практика с мгновенной обратной связью

    Вопросы — внутри урока. Отвечаете и сразу видите, получилось ли.

  3. 3

    Стрик, который возвращает вас снова

    Урок в день держит стрик. Короткие регулярные занятия доводят до конца курса.

Для тех, благодаря кому ловит сеть.

  • Сетевые инженеры, спускающиеся до RF

    Где вы вырастете сильнее всего

    Проектируйте согласованные усилители, фильтры и смесители

    Этап 1 · RF Foundations & Radio Hardware
  • Embedded-разработчики, добавляющие радиомодуль

    Где вы вырастете сильнее всего

    Выбирайте между Wi-Fi, LPWAN и спутником

    Этап 5 · Wi-Fi, IoT, Satellite & Spectrum
  • Полевые техники, нацеленные на проектирование

    Где вы вырастете сильнее всего

    Планируйте и оптимизируйте радиосеть 5G

    Этап 4 · Networks, Cellular & 5G

Куда ведёт этот курс.

Работа, вокруг которой построен курс, и как в неё попадают.

RF Engineer

Проектирует и тестирует радиочасть телефонов, сетей и спутников.

Все карьеры будущего

В работе

  • Спроектировать и смоделировать антенну или ВЧ-схему
  • Измерить сигнал в лаборатории и найти помеху
  • Спланировать покрытие беспроводной сети

Как туда попадают

Обычно — диплом по электротехнике.

Будьте первыми в очереди.

Ранний доступ — для частных лиц, пилот — для команд. Расскажите, кто у вас учится.

enterprise@astratrainer.com