In arrivo
RF, Wireless & Telecommunications
Progetta ogni tappa di un segnale, dall'antenna al cuore della rete.
Il corso completo
- moduli
- 100
- argomenti
- 1181
- min per lezione
- 15
Quello che saprai fare.
Progetta amplificatori, filtri e mixer adattati
Tappa 1 · RF Foundations & Radio Hardware
Chiudi un link budget con margine
Tappa 2 · Antennas & Propagation
Scegli modulazione e codifica per un canale
Tappa 3 · Modulation, Coding & MIMO
Pianifica e ottimizza una rete radio 5G
Tappa 4 · Networks, Cellular & 5G
Scegli tra Wi-Fi, LPWAN e satellite
Tappa 5 · Wi-Fi, IoT, Satellite & Spectrum
Misura con VNA e analizzatori di spettro
Tappa 6 · Measurement, Deployment & Operations
Sette tappe.Una salita costante.
Dal circuito all'antenna, dall'aria alla rete, dal banco di laboratorio al sito live.
100moduli
in 7 tappe
1181argomenti
≈ 12 per modulo
≈295ore
in lezioni da 15 minuti
≈3anni
≈19mesi
≈10mesi
per finire l'intero corso
- 1
RF Foundations & Radio Hardware
Segnali, rumore e la catena radio
24 moduli · 279 argomenti · ≈ 70 h
- 2
Antennas & Propagation
Come i segnali attraversano l'aria
8 moduli · 95 argomenti · ≈ 24 h
- 3
Modulation, Coding & MIMO
Impacchettare i bit in onde radio
17 moduli · 200 argomenti · ≈ 50 h
- 4
Networks, Cellular & 5G
Dal backhaul al core 5G
14 moduli · 169 argomenti · ≈ 42 h
- 5
Wi-Fi, IoT, Satellite & Spectrum
Wi-Fi, IoT, satelliti, spettro
22 moduli · 266 argomenti · ≈ 67 h
- 6
Measurement, Deployment & Operations
Misurato, installato, mantenuto attivo
10 moduli · 118 argomenti · ≈ 30 h
- 7
Practicum & Project
Un sistema radio, dal circuito al servizio
5 moduli · 54 argomenti · ≈ 14 h
Mesi
01224048120246
MesiTraguardo · ≈ 3 anni · ≈ 19 mesi · ≈ 10 mesi
Ore e mesi sono stime: una lezione da 15 minuti per argomento, ogni giorno.
Ogni modulo.Ogni argomento.
I titoli di moduli e argomenti restano in inglese, la lingua in cui lavora questo settore.
Tappa 1
RF Foundations & Radio Hardware
Segnali, rumore e la catena radio
24 moduli · 279 argomenti
1Scope of RF, Wireless, and Telecommunications Engineering10 argomenti
- 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
2Communication System Requirements and Budgets12 argomenti
- 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
3Signal Representation for Communications12 argomenti
- 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
4Probability, Noise, and Random Processes11 argomenti
- 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
5Electromagnetic Waves for RF Engineering12 argomenti
- 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
6Transmission Lines and Guided Structures12 argomenti
- 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
7RF Network Analysis12 argomenti
- 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
8Impedance Matching and RF Tuning12 argomenti
- 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
9RF Filters and Resonators12 argomenti
- 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
10RF Distribution and Isolation Components11 argomenti
- 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
11Active Device Models for RF Design11 argomenti
- 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
12Noise, Gain, and Receiver Dynamic Range11 argomenti
- 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
13Nonlinearity and RF Distortion12 argomenti
- 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
14RF Amplifiers and Low-Noise Front Ends12 argomenti
- 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
15RF Power Amplifiers13 argomenti
- 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
16Mixers and Frequency Conversion11 argomenti
- 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
17RF Oscillators and Frequency Synthesis12 argomenti
- 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
18Receiver Architectures11 argomenti
- 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
19Transmitter Architectures11 argomenti
- 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
20Radio Calibration and Linearization12 argomenti
- 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
21Data Converters and Digital Front Ends12 argomenti
- 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
22RF Boards, Interconnects, and Module Integration12 argomenti
- 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
23Electromagnetic Compatibility and Radio Coexistence Hardware11 argomenti
- 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
24RF Circuit and Electromagnetic Simulation12 argomenti
- 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
Tappa 2
Antennas & Propagation
Come i segnali attraversano l'aria
8 moduli · 95 argomenti
25Antenna Fundamentals12 argomenti
- 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
26Antenna Types and Application Selection12 argomenti
- 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
27Antenna Arrays and Beamforming Foundations12 argomenti
- 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
28Phased-Array Hardware and Integration12 argomenti
- 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
29Terrestrial Radio Propagation12 argomenti
- 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
30Multipath, Fading, and Wireless Channel Models12 argomenti
- 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
31Channel Measurements and Model Validation11 argomenti
- 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
32Link Budgets and Availability Engineering12 argomenti
- 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
Tappa 3
Modulation, Coding & MIMO
Impacchettare i bit in onde radio
17 moduli · 200 argomenti
33Digital Signal Processing for Radio Links12 argomenti
- 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
34Information Theory and Source Representation11 argomenti
- 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
35Analog Modulation and Legacy Radio Systems10 argomenti
- 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
36Digital Modulation and Signal Constellations12 argomenti
- 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
37Detection and Receiver Decision Methods11 argomenti
- 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
38Error Detection and Forward Error Correction13 argomenti
- 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
39OFDM and Multicarrier Transmission12 argomenti
- 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
40Spread Spectrum and Ultra-Wideband Signaling11 argomenti
- 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
41Acquisition and Synchronization13 argomenti
- 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
42Channel Estimation and Equalization12 argomenti
- 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
43Diversity and MIMO Communication12 argomenti
- 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
44Multiuser and Massive MIMO Systems12 argomenti
- 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
45Link Adaptation and Retransmission Protocols11 argomenti
- 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
46Multiple Access and Radio Resource Allocation12 argomenti
- 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
47Duplexing, Interference, and Spectrum Coexistence12 argomenti
- 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
48Software-Defined and Reconfigurable Radios12 argomenti
- 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
49Link-Level and Network-Level Simulation12 argomenti
- 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
Tappa 4
Networks, Cellular & 5G
Dal backhaul al core 5G
14 moduli · 169 argomenti
50Telecommunications Network Architecture11 argomenti
- 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
51Teletraffic, Queueing, and Capacity Dimensioning12 argomenti
- 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
52Carrier Packet Transport12 argomenti
- 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
53Telecom Synchronization and Timing Distribution12 argomenti
- 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
54Fixed Broadband Access Systems12 argomenti
- 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
55Optical Transport Network Engineering12 argomenti
- 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
56Microwave and Millimeter-Wave Backhaul12 argomenti
- 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
57Cellular Evolution and LTE Systems12 argomenti
- 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
585G NR Air Interface13 argomenti
- 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
595G Radio Access Network Architecture12 argomenti
- 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
605G Core, Sessions, and Subscriber Connectivity13 argomenti
- 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
61Cellular Mobility and Radio Resource Management12 argomenti
- 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
62Cellular Network Planning and Optimization13 argomenti
- 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
63Indoor Cellular Coverage and Distributed Radio Systems11 argomenti
- 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
Tappa 5
Wi-Fi, IoT, Satellite & Spectrum
Wi-Fi, IoT, satelliti, spettro
22 moduli · 266 argomenti
64Wireless LAN Physical Layers12 argomenti
- 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
65Wireless LAN MAC and Network Operation12 argomenti
- 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
66WLAN Planning and Performance Validation12 argomenti
- 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
67Bluetooth and Personal-Area Radio Systems12 argomenti
- 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
68Low-Power Mesh and IEEE 802.15.4 Networks12 argomenti
- 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
69RFID, NFC, and Backscatter Communication12 argomenti
- 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
70Low-Power Wide-Area Networks12 argomenti
- 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
71Cellular IoT and Reduced-Capability Devices11 argomenti
- 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
72Private and Industrial Wireless Networks12 argomenti
- 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
73Satellite Communication Systems13 argomenti
- 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
74Non-Terrestrial and Airborne Mobile Networks12 argomenti
- 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
75Broadcasting and Point-to-Multipoint Distribution12 argomenti
- 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
76Land Mobile Radio and Mission-Critical Communications11 argomenti
- 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
77Vehicular and Transportation Communication12 argomenti
- 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
78RF Positioning, Ranging, and Timing Systems12 argomenti
- 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
79Radar and RF Sensing Foundations12 argomenti
- 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
80Voice, Multimedia, and Telecom Service Engineering13 argomenti
- 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
81Virtualized, Cloud-Based, and Open Radio Networks12 argomenti
- 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
82Telecom Management, Automation, and Service Operations13 argomenti
- 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
83Telecom Security and Network Resilience13 argomenti
- 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
84Spectrum Planning and Coordination12 argomenti
- 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
85RF Exposure, Equipment Compliance, and Test Evidence12 argomenti
- 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
Tappa 6
Measurement, Deployment & Operations
Misurato, installato, mantenuto attivo
10 moduli · 118 argomenti
86Vector Network Analyzer Measurements12 argomenti
- 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
87Spectrum and Modulated-Signal Measurements12 argomenti
- 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
88RF Noise, Linearity, and Power Measurements12 argomenti
- 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
89Antenna and Over-the-Air Testing12 argomenti
- 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
90Protocol, Network, and Field Measurements12 argomenti
- 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
91Conformance and Interoperability Engineering11 argomenti
- 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
92Deployment, Commissioning, and Site Acceptance11 argomenti
- 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
93Troubleshooting and Lifecycle Engineering12 argomenti
- 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
94Energy Efficiency and Operational Design Tradeoffs11 argomenti
- 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
95Research Directions and Evolving Wireless Standards13 argomenti
- 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
Tappa 7
Practicum & Project
Un sistema radio, dal circuito al servizio
5 moduli · 54 argomenti
96RF Front-End Design Practicum10 argomenti
- 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
97Antenna and Radio Link Design Practicum10 argomenti
- 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
98Modem and SDR Implementation Practicum11 argomenti
- 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
99Network Planning and Service Validation Practicum11 argomenti
- 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
100Integrated RF, Wireless, and Telecommunications Project12 argomenti
- 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
Quindici minuti.Ogni giorno.
- 1
Una lezione entra nella pausa pranzo
Un'idea alla volta, in slide brevi. Una lezione intera dura circa quindici minuti.
- 2
Esercizi con correzione immediata
Le domande sono dentro la lezione. Rispondi e vedi subito se hai capito.
- 3
Una serie che ti fa tornare
Una lezione al giorno tiene viva la serie. Sessioni brevi e costanti ti portano fino in fondo.
- 1
Una lezione entra nella pausa pranzo
Un'idea alla volta, in slide brevi. Una lezione intera dura circa quindici minuti.
- 2
Esercizi con correzione immediata
Le domande sono dentro la lezione. Rispondi e vedi subito se hai capito.
- 3
Una serie che ti fa tornare
Una lezione al giorno tiene viva la serie. Sessioni brevi e costanti ti portano fino in fondo.
Per chi fa salire le tacche di segnale.
Ingegneri di rete che scendono fino all'RF
Dove crescerai di più
Progetta amplificatori, filtri e mixer adattati
Tappa 1 · RF Foundations & Radio HardwareSviluppatori embedded che aggiungono una radio
Tecnici sul campo che puntano alla progettazione
Dove porta questo corso.
Il lavoro attorno a cui è costruito questo corso, e come ci si entra.
RF Engineer
Progetta e testa le parti radio di telefoni, reti e satelliti.
Tutte le carriere del futuroSul lavoro
- Progettare e simulare un'antenna o un circuito RF
- Misurare un segnale in laboratorio e trovare l'interferenza
- Pianificare la copertura di una rete wireless
Come ci si entra
Di solito una laurea in ingegneria elettronica.
Sii il primo della lista.
Accesso anticipato per i singoli, pilota per i team. Dicci chi sta imparando.
enterprise@astratrainer.com