Wireless Notes
HubBeamforming Analog Digital Hybrid 5G ImplementationCognitive Radio Dynamic Spectrum Access SensingEdge Computing in Wireless MEC 5G IntegrationMassive MIMO 5G Technology Benefits DeploymentMIMO Systems Spatial Multiplexing Diversity CapacityNetwork Slicing 5G Virtual Networks Use CasesSoftware Defined Radio SDR Architecture ApplicationsAntenna Arrays Phased Arrays and BeamformingAntenna Basics in Wireless CommunicationAntenna Parameters Gain Directivity Beamwidth EfficiencyDipole Antenna Half-Wave Dipole in Wireless CommunicationHorn Antenna Types Working and ApplicationsMicrostrip Patch Antenna Design and ApplicationsMonopole Antenna Quarter-Wave Ground PlaneSmart Antennas MIMO and Massive MIMO SystemsCell Splitting Technique in Cellular NetworksCellular Concept in Mobile CommunicationFrequency Reuse in Cellular NetworksHandoff Techniques in Cellular NetworksCellular Network Planning Coverage Capacity OptimizationRoaming in Cellular NetworksSectoring in Cellular NetworksBandwidth in Wireless CommunicationElectromagnetic Spectrum in Wireless CommunicationFading in Wireless CommunicationFrequency and Wavelength in Wireless CommunicationNoise and Interference in Wireless CommunicationPath Loss in Wireless CommunicationRadio Wave Propagation in Wireless CommunicationSignal Transmission in Wireless CommunicationCellular Network Interview Questions Planning Handoff 5GModulation Interview Questions ASK FSK PSK QAM OFDMWireless Communication Cheatsheet All Formulas Quick ReferenceWireless Communication Interview Questions Top 50 Q&AAdvantages and Disadvantages of Wireless CommunicationApplications of Wireless CommunicationHistory of Wireless CommunicationWhat is Wireless CommunicationWireless vs Wired CommunicationIndustrial IoT IIoT Communication Industry 4.0IoT Case Studies Real-World Implementations Success StoriesIoT Communication Basics Protocols Architecture ConnectivityMQTT Protocol IoT Messaging Publish Subscribe QoSSmart Home Communication Protocols Matter ThreadWireless Sensor Networks WSN Architecture Applications1G Technology First Generation Mobile Communication2G Technology GSM Digital Revolution SMS3G Technology WCDMA HSPA Mobile Broadband4G LTE Technology True Mobile Broadband5G Technology NR Architecture Use CasesBeyond 5G and 6G Future Wireless CommunicationMobile Generation Comparison 1G 2G 3G 4G 5G Complete TableAmplitude Modulation AM in Wireless CommunicationASK Amplitude Shift Keying in Digital CommunicationFrequency Modulation FM in Wireless CommunicationFSK Frequency Shift Keying in Digital CommunicationModulation Techniques Comparison Complete TablePhase Modulation PM in Wireless CommunicationPSK Phase Shift Keying in Digital CommunicationQAM Quadrature Amplitude Modulation Complete GuideQPSK Quadrature Phase Shift Keying ModulationMultiple Access Techniques Comparison FDMA TDMA CDMA OFDMA SDMACDMA Code Division Multiple AccessFDMA Frequency Division Multiple AccessOFDMA Orthogonal Frequency Division Multiple AccessSDMA Space Division Multiple AccessTDMA Time Division Multiple AccessBluetooth LED Control Project BLE Arduino ESP32 AppESP8266 IoT Weather Station WiFi Sensors Cloud DashboardMQTT Smart Home Project Multi-Room Control DashboardWiFi Based Home Automation Project ESP32 MQTT App ControlWireless Sensor Network Project LoRa Multi-Node MonitoringWireless Weather Station Project Multi-Sensor Solar DisplayWireless Communication Formulas and Equations ReferenceFurther Reading and Resources for Wireless CommunicationsWireless Communication Glossary A to Z Terms DefinitionsWireless Standards and Protocols IEEE 3GPP ITU ReferenceCommunication Satellites Types HTS and Satellite InternetGPS System Working Segments Accuracy GNSSSatellite Communication Applications Broadcasting InternetSatellite Communication Basics System Components Link BudgetSatellite Link Design Link Budget C/N Rain FadeSatellite Orbits GEO MEO LEO Types and ComparisonFree Space Propagation Model in Wireless CommunicationMultipath Propagation in Wireless CommunicationRayleigh Fading Model in Wireless CommunicationReflection Refraction Diffraction in Wireless CommunicationRician Fading Model in Wireless CommunicationShadowing Log-Normal Fading in Wireless CommunicationWireless Channel Models Complete OverviewBluetooth Technology Versions BLE ApplicationsInfrared Communication Working Types ApplicationsLoRa and LoRaWAN Long Range IoT CommunicationNFC Near Field Communication Working ApplicationsWiFi Technology IEEE 802.11 Complete GuideWiMAX IEEE 802.16 Technology and Comparison with LTEZigbee Low Power Mesh Network IoT Smart HomeWireless Authentication Techniques PSK 802.1X EAP 5G-AKAWireless Security Best Practices Checklist GuidelinesWEP Wired Equivalent Privacy Why it FailedWireless Attacks Types Methods PreventionWireless Security Basics Threats Principles OverviewWPA and WPA2 TKIP AES-CCMP Enterprise SecurityWPA3 SAE Enhanced WiFi Security Forward Secrecy
Complete A-Z glossary of 200+ wireless communication terms and definitions covering antenna, modulation, cellular, 5G, WiFi, IoT, security, and satellite terminology for quick reference.
Hindi: Wireless communication ke important terms ki definitions. Quick reference ke liye alphabetically organized.
A
| Term | Definition |
|---|---|
| ADC | Analog-to-Digital Converter – converts analog signal to digital |
| AM | Amplitude Modulation – varies carrier amplitude with message |
| AMC | Adaptive Modulation and Coding – dynamically adjusts MCS |
| AMPS | Advanced Mobile Phone System – 1G standard (USA) |
| Antenna | Transducer converting electrical signals ↔ EM waves |
| AP | Access Point – WiFi base station |
| AWGN | Additive White Gaussian Noise – theoretical noise model |
B
| Term | Definition |
|---|---|
| Bandwidth | Frequency range (Hz) or data capacity (bps) |
| Beamforming | Focusing RF energy using antenna array |
| BER | Bit Error Rate – probability of bit error |
| BLE | Bluetooth Low Energy – low-power short-range wireless |
| BPSK | Binary Phase Shift Keying – 2-phase digital modulation |
| BSS | Basic Service Set – single AP + its clients |
C
| Term | Definition |
|---|---|
| CA | Carrier Aggregation – combining multiple carriers |
| CDMA | Code Division Multiple Access – code-based multiplexing |
| Cell | Geographic area served by one base station |
| CoMP | Coordinated Multipoint – multiple BS cooperation |
| CP | Cyclic Prefix – guard interval in OFDM |
| CQI | Channel Quality Indicator – UE feedback to BS |
| CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance (WiFi) |
D-F
| Term | Definition |
|---|---|
| dBm | Decibels relative to 1 milliwatt (absolute power) |
| Diversity | Multiple signal copies for reliability |
| Doppler | Frequency shift due to relative motion |
| DSP | Digital Signal Processing |
| EIRP | Effective Isotropic Radiated Power |
| eMBB | Enhanced Mobile Broadband (5G use case) |
| eNodeB | LTE base station |
| FDMA | Frequency Division Multiple Access |
| FFT | Fast Fourier Transform (enables OFDM) |
| FSPL | Free Space Path Loss |
G-L
| Term | Definition |
|---|---|
| GEO | Geostationary Earth Orbit (35,786 km) |
| gNB | 5G NR base station |
| GNSS | Global Navigation Satellite System |
| GSM | Global System for Mobile Communications (2G) |
| HARQ | Hybrid ARQ – combines FEC + retransmission |
| Handoff | Transferring call between cells |
| HTS | High-Throughput Satellite |
| IoT | Internet of Things |
| ISI | Inter-Symbol Interference |
| LEO | Low Earth Orbit (200-2000 km) |
| LOS | Line of Sight |
| LPWAN | Low Power Wide Area Network (LoRa, NB-IoT) |
| LTE | Long Term Evolution (4G) |
M-O
| Term | Definition |
|---|---|
| MCS | Modulation and Coding Scheme |
| MEC | Multi-access Edge Computing |
| MIMO | Multiple Input Multiple Output |
| mMTC | Massive Machine Type Communication (5G IoT) |
| mmWave | Millimeter wave (24-300 GHz) |
| MQTT | Message Queuing Telemetry Transport (IoT protocol) |
| MU-MIMO | Multi-User MIMO |
| NB-IoT | Narrowband IoT (cellular LPWAN) |
| NR | New Radio (5G air interface) |
| OFDM | Orthogonal Frequency Division Multiplexing |
| OFDMA | OFDM + Multiple Access |
P-S
| Term | Definition |
|---|---|
| Path Loss | Signal power reduction with distance |
| PSK | Phase Shift Keying |
| QAM | Quadrature Amplitude Modulation |
| QoS | Quality of Service |
| QPSK | Quadrature PSK (4-phase, 2 bits/symbol) |
| RSRP | Reference Signal Received Power (LTE/5G signal strength) |
| RSSI | Received Signal Strength Indicator |
| SAE | Simultaneous Authentication of Equals (WPA3) |
| SCS | Subcarrier Spacing (5G numerology) |
| SINR | Signal-to-Interference-plus-Noise Ratio |
| SNR | Signal-to-Noise Ratio |
| Spectrum | Range of electromagnetic frequencies |
T-Z
| Term | Definition |
|---|---|
| TDMA | Time Division Multiple Access |
| TDD | Time Division Duplex |
| Throughput | Actual data rate achieved |
| URLLC | Ultra-Reliable Low-Latency Communication (5G) |
| UE | User Equipment (mobile device) |
| VoLTE | Voice over LTE |
| VSWR | Voltage Standing Wave Ratio (antenna matching) |
| WiFi | Wireless LAN (IEEE 802.11) |
| WPA3 | WiFi Protected Access 3 (latest security) |
| Zigbee | Low-power mesh IoT protocol (802.15.4) |
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Study next in this module
01ResourcesFurther Reading and Resources for Wireless CommunicationsComprehensive collection of recommended textbooks, online courses, simulation tools, YouTube channels, research papers, and learning paths for wireless communication engineering students.02ResourcesWireless Standards and Protocols IEEE 3GPP ITU ReferenceComplete reference of wireless standards IEEE 802.11, 3GPP releases LTE 5G NR, ITU specifications, Bluetooth Zigbee LoRa standards, and protocol stacks for engineering students.03ResourcesWireless Communication Formulas and Equations ReferenceComplete reference of wireless communication formulas including path loss, Shannon capacity, antenna gain, modulation BER, cellular reuse, fading channel, and link budget equations for engineering students.04Advanced TopicsBeamforming Analog Digital Hybrid 5G ImplementationLearn beamforming with analog digital hybrid architectures, beam management sweep select track recover in 5G, beamforming gain formula, phase shifters, and mmWave implementation for engineering students.