Teknologi radio menggunakan sepasang frekuensi. Digunakan dalam sistem komunikasi seluler seperti GSM.
FDD (Frequency Division Duplex)
Menyajikan istilah-istilah dan artikel telekomunikasi
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- A interface
- A-key
- A/B Switching
- AAC
- Abbreviated dialing
- Abis interface
- AC
- Accelerated Life Testing
- Access charge
- Access code
- Access fee
- ACIR
- ACLR
- ACPR
- ACS
- Activate
- Activation
- Active
- Active keypad cover
- Active satelite
- ACTS
- Adaptive array antennas
- Adaptive equalizer
- ADC
- Adjacent channel interference
- Administration and Maintenance)
- ADPCM
- ADSL
- Advanced Intelligent Network
- Affiliate
- After Sales Service
- AGC
- AGCH
- Agenda item
- Agent
- Aggregator
- AGL
- AGPS
- AIFF
- AIN
- AINT
- Air Interference
- Airtime
- Alarm display
- Alarms signals to stations
- ALCO
- Alert call
- Algebraic Code Excited Linear Predictive
- Aliasing
- Alkaline
- All Number Calling
- All Trunks Busy
- ALOHA
- Alphabetic directory
- Alphabetic scroll
- Alphanumeric
- Alphanumeric directory
- Alphanumeric display for attendant console
- Alternate phone line
- Amateur radio operator
- Amplifier
- Amplitude
- Amplitude Modulation
- AMPS
- AMR
- AMTA
- Analog systemA
- Analog to Digital Converter
- Ancillary equipment
- and Control (TT dan C)
- Angle diversity
- Answering machine
- Antena TVRO
- Antenna
- Antenna array
- Antenna attachment
- Antenna beamwidth
- Antenna commercial
- Antenna concealed
- Antenna directional
- Antenna directivity
- Antenna element
- Antenna groundmounted parabolic
- Antenna height
- Antenna Microwave Relay Parabolic
- Antenna non-commercial
- Antenna non-parabolic
- Antenna omnidirectional
- Antenna parabolic
- Antenna satellite
- Antenna satellite earth station
- Antenna satellite uplink
- Antenna structure
- Antenna structure freestanding
- Antenna struktur monopole
- Antenna vertical whip
- APCO
- ARDIS
- ARFCN
- ARIB
- ARPU
- ARQ
- ASCII
- ASIC
- Asub interface
- Asymmetrical Digital Line Subscriber (ADSL)
- Asynchronous mode
- Asynchronous Transfer Mode (ATM)
- Atenna sructure lattice
- Attendant
- Attendant Direct Paging
- Attenuation
- Attenuation values
- Attenuator
- Audible keypad tone
- Audio Response Unit (ARU)
- Audio text
- Authentication
- Authentication Center (AuC)
- Autocorrelation
- Automatic answer
- Automatic backlighting
- Automatic call delivery
- Automatic dialer
- Automatic display timer
- Automatic hands free talkback
- Automatic lock
- Automatic Power Control (APC)
- Automatic Redial
- Automatic Tone Altering
- Automatic Vehicle Monitoring
- Auxiliary alert
- Average power
- AVL
- AWGN
- AXE
- Backbone Network
- Backhaul
- Band
- Band-pass filter
- Band-pass limiter
- Bandwidth
- Bandwidth Time Product (BT)
- Barge call
- Base Station
- Base Station Controller
- Base Station Controller Interface
- Base Station Identity Code
- Baseband
- Baseband signaling
- Basic Fee
- Basic Trading Area (BTA)
- Battery indicator
- Battery meter
- Baud
- Baudot
- BBSIG
- BCCH
- BCH
- BCH code
- belajar SEO
- Bell Operating Company (BOC)
- Bent pipe technology
- Bi-directional antenna
- Bidding credit
- Big LEO
- Binary Phase Shift Keying (BPSK)
- Bird
- BIT
- Bit Error Rate Tester (BERT)
- Bit Error Ratio (BER)
- Bit interval
- Bit per second (bps)
- Block
- Block code
- Block Error Rate (BLER)
- Blocking
- Blocking probability
- Bluetooth
- Booster
- Broadband
- Broadband PCS
- Broadcast
- BTS
- BTSE
- Build-to-suit
- Built-in fraud and cloning protection
- Built-in mini-browser
- Bundling
- Burst
- Burst transmission
- Bus
- Busy hour
- Busy tone
- Byte
- C-Band
- C-Block auction
- C/I
- C/N
- Cable
- Cable signal leakage
- Cable Television Relay Service (CARS)
- California State Public Utilities Commission (CPUC)
- California Telecommunications Industry Association (CTIA)
- Call accounting system
- Call Alert
- Call alert stacking
- Call barring
- Call continuation
- Call detail record
- Call forwarding
- Call forwarding busy line
- Call forwarding don’t answer
- Call hold
- Call Line Identifier (CLI)
- Call timer
- Call waiting
- Call-in-absence indicator
- Call-in-progress protection
- Caller ID
- Calling party pays
- Cap code
- Capacity
- Capture effect
- Carrier
- Carrier recovery
- Carrier-to-interference ratio
- Carrier-to-noise ratio
- Carterfone Decision
- CDG (CDMA Development Group)
- CDMA 1X (Code Division Multiple Access)
- CDMA 2000
- CDMAOne
- CDPD (Cellular Digital Packet Data)
- CDVCC (Coded Digital Verification Color Code)
- Cell
- Cell Broadcast
- Cell Broadcast Channel (CBCH )
- Cell Site atau Base Station
- Cell Sites
- Cell Splitting
- Cellemetry
- Cellular
- Cellular Carrier
- Cellular Carriers Association of California (CCAC)
- Cellular Cassette
- Cellular Digital Packet Data Service (CDPD)
- Cellular Geographical Service Area (CGSA)
- Cellular Messaging Service
- Cellular Mobile Telephone Service
- Cellular Service
- Cellular Service Provider
- Cellular Signal
- Cellular System
- celluler
- CELP (Code-Book Excited Linear Predictive)
- Central Office (CO)
- Channel
- Channel equalization
- Charge Back
- Chip Set
- Churn
- CIF (Common Intermediate Format)
- Cigarette Lighter Adapter
- Cipering
- Circuit
- Circuit Switched
- Circuit Switching
- Circulation
- ClassLink
- Clear Channel
- Clearing an Alert
- Click-box Bidding
- Clock recovery
- Clone
- Closed Circuit Television (CCTV)
- cloud computing
- CMRS (Commercial Mobile Radio Service)
- Co-Branding
- Co-channel interference
- Co-location
- Co-location Issues
- Code Division Multiple Access (CDMA)
- Code Domain Power (CDP)
- Codebook
- CODEC (Coder/Decoder)
- Coding gain
- Coherent detection
- Coil Cord
- Color-Coded Status Messages
- COLT (Cell Site on Light Truck)
- Common Air Interface (CAI)
- Common Carrier
- Communications Assistance to Law Enforcement Act (CALEA)
- Communications Satellite
- Companding (Compressing and Expanding)
- Competitive Access Provider (CAP)
- Competitive Bidding
- Competitive Local Exchange Carrier (CLEC)
- Complementary Cumulative Distribution Function (CCDF)
- Component
- Computer
- Computer Mail System
- Computer-Aided Dispatch (CAD)
- COMSAT (Communication Satellite Coorporation)
- Concatenated coding
- Console Digital Display
- Constellation
- Consumer Premise Equipment (CPE)
- Content Service
- Control Channel (CCH)
- Control head
- Control Head Mount
- Convergence
- Convolutional code
- Cordless
- Cost Recovery
- COST-231
- Coverage area
- Coverage hole
- Covered SMR
- COW (Cell Site On Wheel)
- CPM (Continuous Phase Modulation)
- CPNI (Customer Proprietary Network Information)
- CRC (Cyclic Redundancy Code)
- Cross correlation
- Cross Talk
- CT-2 (Cordless Telephone 2)
- CTIA (Cellular Telecommunications Industry Association)
- Cumulative Distribution Function (CDF)
- Customer Acquisition Cost
- CW (Continuous Wave)
- Cyclic codes
- D E and F Block Auction
- D-AMPS (Digital-Advanced Mobile Phone System)
- DAC (Digital to Analog Converter )
- Data Interface
- Data Service
- dB (deciBel)
- dBc (deciBels referenced to the carrier)
- dBd (deciBels referenced to a dipole antenna)
- dBi (deciBels referenced to an isotropic antenna)
- dBm (deciBels referenced to a milliWatt)
- DCS-1800 (Digital Communication System at 1800 MHz)
- Dead spot
- DECT (Digital European Cordless Telecommunications)
- Dedicated Baterry meter
- Dedicated Control Channel (DCCH)
- Dedicated Line
- Delay spread
- Demodulation
- DEMS (Digital Electronic Message Service)
- Deregulation
- Descrambler
- Device Under Test (DUT )
- Dial access to paging
- Dial tone
- Differential detection
- Diffraction
- Digital
- Digital Audio Broadcasting (DAB)
- Digital bit stream
- Digital channel
- Digital modulation
- Digital multiplexing
- Digital Phase Modulation (DPM)
- Digital signal
- Digital signal processor
- Digital signature
- Digital speech interpolation (DSI)
- Digital Switch
- Digital switching
- Digital Technology
- Digital Television (DTV)
- Direct Broadcast Satellite (DBS)
- Direct Current Power Amplifier (DCPA)
- Direct Current Transceiver and Processor Unit (DCTPU)
- Direct Inward Dialing (DID)
- Direct Outward Dialing (DOD)
- Direct Sequence (DS)
- Direct Sequence Spread Spectrum (DSSS)
- Disaggregation
- DISCO II
- Disconnect
- Discontinuous Transmission (DTX)
- Dispersive channel
- Distant signal
- Distortion
- Distributed processing
- Distributor
- Divestiture
- DK40
- Donor Site
- Doppler shift/Doppler effect
- Downlink
- Downtime
- DQPSK (Differential Quadrature Phase Shift Keying)
- Drive test
- Driver distraction
- Dual band
- Dual mode
- Dual-Tone Multi frequency (DTMF)
- Dulex RF channel
- Duplex/full duplex
- Dynamic Channel Allocation (DCA)
- Dynamic Channel Multicarrier Architecture (DCMA)
- Dynamic coverage control
- E-GSM (extended Global System for Mobile comuunication)
- E-mail (electronic mail)
- E-TDMA (Enhanced TDMA)
- E911 (Enhanced 911)
- Earth station
- Eb/No (Bit Energy-to-Noise Density)
- ECO Test (Effective Competitive Opportunities Test)
- Economic Area (EA)
- EDACS (Enhanced Digital Access Communications System)
- EDGE (Enhanced Data for GSM Evolution )
- EFR (Enhanced Full Rate)
- EHF (Extremely High Frequency)
- EIA (Electronic Industry Association)
- EIRP (Effective Isotropic Radiated Power)
- Electromagnetic Compatibility (EMC)
- Electromagnetic Field (EMF)
- Electromagnetic Interference (EMI)
- Electronic Assistant
- Electronic Serial Number (ESN)
- Electronic switching
- Emission
- Encryption
- End office
- Enhanced service
- Enhanced Specialized Mobile Radio (ESMR)
- EPOC
- Equalization
- Equipment Identity Register (EIR)
- ERMES (European Radio Messaging System)
- Error correction
- Error distribution
- Error probability
- Error vector
- eSIM
- Ethernet
- ETSI (European Telecommunications Standard Institute)
- Exchange
- Existing site
- Extranet
- Extremely Low Frequency (ELF) Radiation
- Eye diagram
- FAC
- FACCH (Fast Associated Control Channel)
- Facilities-Based Carrier
- Facility
- Facsimile
- Fading
- Family Radio Service (FRS)
- Fast fading
- Fast packet switching
- Fault tolerant
- FAW (Frame Alignment Word)
- FCC (The Federal Communications Commission)
- FCCH (Frequency Correction Channel)
- FDD
- FDD (Frequency Division Duplex)
- Federal Aviation Administration (FAA)
- Feeder-Link
- Feeder-Links
- Fiber-Optic System
- Filter
- Finite Impulse Response (FIR)
- Fixed service
- Fixed Wireless Access (FWA)
- Flash memory
- Flat fading
- Flex
- Flower tower
- FM cable service
- FNPRM (Further Notice of Proposed Rulemaking)
- Foliage attenuation
- Footprint
- Forward Error Correction (FEC)
- Forward link
- Forward looking
- Frame Erasure/Error Rate (FER)
- Frame relay technology
- Framing
- Fraud protection
- Frekuensi reuse (pengulangan frekuensi)
- Frequency
- Frequency diversity
- Frequency Division Multiple Access (FDMA)
- Frequency Division Multiplexing (FDM)
- Frequency Hopped Spread Spectrum (FHSS)
- Frequency hopping
- Frequency Hopping Multiple Access (FHMA)
- Frequency Modulation (FM)
- Frequency selective fading
- Frequency shift
- Frequency Shift Keying (FSK)
- Front-End Networking
- Full rate
- Full-Duplex
- Gain
- Gateway
- Gaussian channel
- General Order 159 (A) (G.O. 159)
- Geostationary satellite
- Geosynchronous satellite
- GGSN (Gateway GPRS Support Node)
- Gigahertz (GHz)
- GLONASS (Global Navigation System)
- GMPCS (Global Mobile Personal Communications Services)
- GMSC (Gateway Mobile Services Switching Center)
- GMSK (Gaussian Minimum Shift Keying)
- Golay sequential code
- GPRS (General Packet Radio Service)
- GPS (Global Positioning System)
- Grade of Service (GOS)
- Graphical User Interface (GUI)
- Gray market
- Ground AMSL (Above Mean Sea Level)
- Ground segment
- Group call
- GSM (Global System for Mobile Communications )
- GSM 1800
- GSM 1900
- GSM 900
- GSM-Plus
- GSM-R
- Guard band
- GWCS (General Wireless Communications Service)
- HAAT (Height Above Average Terrain)
- Half rate
- Half-Duplex
- Hamming code
- Hand-Off
- Hand-over
- Handheld personal computer
- Hands-free
- Handset
- Hard hand-off
- Hata model
- HDML (Handheld Device Markup Language)
- HDTV (High Definition Television)
- Hertz
- HLR (Home Location Register)
- Home Satellite Dish (HSD)
- HPSK (Hybrid Phase Shift Keying)
- HSCSD (High Speed Circuit Switched Data)
- Hybrid
- HYCOM (Hybrid Combiner)
- I (In-Phase)
- i-mode (Internet Mode)
- IDEN (Integrated Digital Enhanced Network)
- IF (Intermediate Frequency)
- ILEC (Incumbent Local Exchange Carrier)
- Imaging
- IMAP4 (Internet Messaging Access Protocol)
- IMEI
- IMSI (International Mobile Subscriber Identity)
- IMT-2000 (International Mobile Telecommunication 2000)
- IMTA (International Mobile Telecommunications Association)
- IMTS (Improved Mobile Telephone Service)
- Industrial Telecommunications Association (ITA)
- InFLEXion
- Information Skyway
- Institute of Electrical and Electronic Engineers (IEEE)
- Integrated Circuit (IC)
- Integrated System
- Intellectual Property Rights (IPR)
- Intelligent Network
- Intelsat (International Telecommunications Satellite Consortium or International Telecommunications Satellite Organization)
- Inter-Symbol Interference (ISI)
- Interactive Video Data Service (IVDS)
- Interconnect
- Interconnect facility
- Interconnection
- Interexchange Carrier (IXC)
- Interface
- Interference
- Interleaving
- International Record Carrier (IRC)
- International Shortwave Broadcast Station
- International Standards Organization (ISO)
- International Telecommunications Union (ITU)
- Internet capability
- Internet of Things
- Internet Protocol (IP)
- Internet Protocol version 6 (IPv6).
- Interoperability
- Intersatellite link
- Interworking Function (IWF)
- IoT
- iPod
- IS (Interim Standard)
- IS-136 EIA (Interim Standard 136)
- IS-2000 EIA (Interim Standard 2000)
- IS-41 (Interim Standard 41)
- IS-54 EIA (Interim Standar 54)
- IS-95 EIA (Interim Standard 95)
- ISDN (Integrated Services Digital Network)
- Istilah Telekomunikasi
- ITU-T International Telecommunications Union (Telecommunications standarization sector)
- iTunes
- IXLT
- Jitter
- Ka-band
- kamus telekomunikasi
- Kartu Cerdas
- Keying frequency
- Keying I
- Keying II
- Keying wave
- Kilobits per Second (Kbps)
- Kilohertz (kHz)
- Ku-band
- L-band
- Land Mobile Communications Council (LMCC)
- Land mobile radio
- Land mobile service
- Landline
- LAPB (Link Access Protocol for B-channel)
- LATA (Local Access Transport Area)
- Layanan Purna Jual
- LCD (Liquid Crystal Display)
- Least Significant Bit (LSB)
- LED (Light Emitting Diode)
- Lee's model
- Lifeline/link-Up Services
- Line
- Linear power amplifier (LPA)
- Linear Predictive Coding (LPC)
- Link
- Link budget
- Little LEO
- Local Area Network (LAN)
- Local calling area
- Local exchange area
- Local Exchange Carrier (LEC)
- Local loop
- Local Multipoint Distribution Service (LMDS)
- Local number portability
- Local operator
- Local-State Governmental Advisory Committee (LSGAC)
- Location Area Identity (LAI)
- Location registration
- Logical channel
- Look angle
- LOS (line of sight)
- LOS (loss of signal)
- Lottery/random selection
- Low Earth Orbiting Satellite (LEO)
- Low Noise Amplifier (LNA)
- Low Power Television Service (LPTV)
- LTE
- LTE Frame Structure
- lu
- lub
- lur
- M2M
- Machine to Machine
- Macro cell
- Major Trading Area (MTA)
- Mast
- MASTER
- Master Antenna Television System (MATV)
- Matched filter
- MC-CDMA (Multi-Carrier Code Division Multiple Access)
- Mcps (Mega Chips per Second)
- Mean Opinion Score (MOS)
- Medium Access Control (MAC)
- Medium Earth Orbiting Satellite (MEO)
- Memory Board 2 Mbyte (ME2M)
- MEMT
- Message
- Message alert
- Message entry device
- Messaging
- MHz (Megahertz)
- Micro cell
- Microwave band
- Microwave radio
- Middleware
- Minutes of Use
- MIPS (Millions of Instructions per Second)
- MIRS (Motorola Integrated Radio System)
- Mobile Application Part (MAP)
- Mobile Assisted Hand-off ( MAHO )
- Mobile computing device
- Mobile data
- Mobile equipment
- Mobile Identification Number (MIN)
- Mobile Media Mode (MMM)
- Mobile Network Virtual Operation
- Mobile phone
- Mobile phone network
- Mobile satellite
- Mobile service Switching Center (MSC)
- Mobile service Switching Center Interface
- Mobile Station (MS)
- Mobile subscriber
- Mobile Telephone Service
- Mobile Telephone Switching Office (MTSO)
- Mobile virtual network operator
- Mobitex
- Modem (MOdulator DEModulator)
- Modem pool
- Modified final judgement
- Modulation
- Monopalm
- Monophonic sound
- Monopole
- Moratoria
- Most Significant Bit (MSB)
- MP3
- MPEG (Moving Picture Experts Group)
- MPEG4 (Moving Picture Experts Group Compression Standard Version 4)
- MSA (Metropolitan Statistical Area)
- MSISDN (Mobile Station Integrated Services Digital Network)
- MSK (Minimum Shift Keying)
- Multi party calling
- Multi-pulse excited
- Multichannel Multipoint Distribution Service (MMDS)
- Multimedia Messaging Service (MMS)
- Multipath
- Multipath propagation
- Multiple access
- Multiple Address Systems (MAS)
- Multiplexer
- Multipoint
- Multipoint distribution service
- Mutual compensation
- Mutually exclusive application
- MVNO
- N-AMPS (Narrowband Advanced Mobile Phone System)
- Nailed-up conmection
- NAM (Number Assignment Module)
- Narrowband PCS
- Nested codes
- Network Elements (NE)
- Network Management Center (NMC)
- Network Switching Subsystem (NSS)
- NMT-450 (Nordic Mobile Telephony – 450)
- No Service Indicator
- No-answer transfer
- Noise figure
- Non-Ionizing Electromagnetic Radiation (NIER)
- Nordic Mobile Telephony (NMT)
- North American Digital Cellular (NADC)
- NRZ (Non Return to Zero)
- Nyquist filter
- Nyquist rate
- OAM (Operations
- OBRA 93 (Omnibus Budget Reconciliation Act of 1993)
- OCQPSK (Orthogonal Complex Quadrature Phase Shift Keying)
- OFDM (Orthogonal Frequency Division Multiplex)
- Off-Peak
- Okamura model
- OMC (Operation and Maintenance Center)
- Omni directional antenna
- On circulation
- One-and-a-half-way paging
- One-stop shop
- Open system interconnect
- Open Systems Interconnection
- Operations Support Systems (OSS)
- Operator
- Operator Service Provider (OSP)
- OQPSK (Offset Quadrature Phase Shift Keying)
- Original equipment manufacturer
- Original Equipment Manufacturer (OEM)
- Out of Band Signaling
- Output Radio Frequency Spectrum
- Over-the-Air Service Provisioning (OTASP)
- Overlay Area Code
- OVSF Orthogonal Variable Spreading Function
- PA (Power Amplifier)
- PABX (Private Automatic Branch Exchange)
- Packet
- Packet radio
- Packet Switched Public Data Network (PSPDN)
- Packet Switching
- PACS (Personal Access Communications System)
- Pad
- PAD (Packet Assembler/Disassembler)
- Pager
- Pager Printer (Receiver)
- Paging
- Paging Message Processor
- PAM (pulse amplitude modulation)
- PAMR (Public Access Mobile Radio)
- Part 68
- Partial response signalling
- Partitioning
- Path Loss
- PBX (Private Bank Exchange)
- PCH Paging Channel
- PCIA (Personal Communications Industry Association)
- PCMCIA (Personal Computer Memory Card International Association)
- PCN (Personal Communications Network)
- PCS (Personal Communications System)
- PCS 1900
- PDC (Personal or Pacific Digital Cellular)
- PDF (Probability Density Function)
- Peak
- Peak power
- Personal Digital Assistant (PDA) atau Personal Communicator
- Personal Mobility
- Personal Number or Universal Number
- Phase jitter
- PHP (Personal Handy Phone)
- PHS Personal Handy Phone System
- Physical channel
- Pilot code
- Pilot pollution
- PIN Code (Personal Identity Number code)
- PLL (Phase Locked Loop)
- PLMN (Public Land Mobile Network)
- PMR (Private Mobile Radio)
- PNCQPSK (Pseudo-Noise Complex Quadrature Phase Shift Keying)
- POCSAG (Post Office Code Special Advisory Group)
- Point-to-Point
- Polarization diversity
- Pole Attachment
- POP (Persons of Population)
- Portable
- Potential site
- POTS (Plain Old Telephone Service)
- Power control
- Power Link Budget
- Power spectral density
- PQA (Palm Query Applications)
- PRBS (Pseudo-Random Binary Sequence)
- Pre-paid Cellular
- Primary GSM (P-GSM)
- Private Carrier
- Private Radio Service
- PRMA (Packet Reservation Multiple Access)
- Processing gain
- Project 25
- Project Angel
- Propagation
- Propagation channel
- Proportional and Owned Subscribers
- Protocol
- PSAP (Public Safety Answering Point)
- PSD (Power Spectral Density)
- PSK (Phase Shift Keying)
- PSTN (Public Switched Telephone Network)
- PSWAC (Public Safety Wireless Advisory Committee)
- PTT
- Public Land Mobile Network (PLMN)
- Public Utilities Commission
- Pulse
- Pulse Amplitude Modulation (PAM)
- Pulse Coded Modulation (PCM)
- Pulse Coded Modulation 30 (PCM30)
- Punctured code
- Push-to-Talk Operation
- PWRS
- Q (Quadrature-Phase)
- QAM (Quadrature Amplitude Modulation)
- QCIF (Quarter CIF (1/4 CIF)).
- QoS (quality of service)
- QPSK (Quadrature Phase Shift Keying)
- Quantizing
- RACE (Research in Advanced Communications Equipment)
- RACH (Random Access Channel)
- Radar
- Radiation
- Radio Access Network (RAN)
- Radio Common Carrier (RCC)
- Radio Determination
- Radio facsimile
- Radio Frequency (RF)
- Radio Frequency Channel (RFC)
- Radio Frequency Interference (RFI)
- Radio Frequency Radiation (RFR)
- Radio link
- Radio port
- Radio propagation
- Radio-Frequency Fingerprinting
- Radiotelegraphy
- Radiotelephony
- Rake receiver
- Random access
- Rate Adaption
- Rate Center
- Rayleigh channel
- Rayleigh fading
- RC (Radio Configuration)
- Real Time
- Receive diversity
- Receiver
- Receiver Antenna Module (RXAMOD)
- Receiver Antenna Module and Multicoupler (RXAMCO)
- Receiver Multicoupler (RXMUCO)
- Reception Window
- Recon Petition
- Redundancy
- Reed Solomon code
- Refarming
- Reflection
- ReFLEX 25
- Registration
- Repeater
- Repertory dialing
- Resale Carriers
- Reuse factor
- Reverse link
- RF Noise
- Rician channel
- RNC (Radio Network Controller) under the UMTS system.
- Roaming
- Roaming Agreement
- Rotary
- Router
- Routing
- RPE-LTP (Regular Pulse Excited-Long Term Prediction)
- RS-232
- RSA (Rural Statistical/Service Area)
- RSSI (Received Signal Strength Indication)
- Run length coding
- Rural Cellular Radio Service Area
- S-Band
- S/I (signal-to-interference ratio)
- S/N (signal-to-noise ratio)
- SACCH (Slow Associated Control Channel)
- Sampling
- SAT (Set-up Audio Tone)
- Satellite
- Satellite Carrier
- Satellite Dish
- Satellite Master Antenna Television (SMATV)
- Satellite Phone
- Scambler
- Scattering
- SCCH (Signaling Control Channel)
- SCH (Synchronization Channel)
- SDCCH (Slow Dedicated Control Channel)
- SDH (Synchronous Digital Hierarchy)
- SDMA (Space Division Multiple Access)
- Search Engine Optimization
- Sector
- Sectorization
- Sensitivity
- SEO
- Service Area
- Service Plan
- Service Provider
- SFHMA (Slow Frequency Hopped Multiple Access)
- Shadow fading
- Shadowing Effect (Shadow)
- SHF (Super High Frequency)
- Sideband
- Signal Booster
- Signal-to-interference ratio
- Signal-to-Noise Ratio (S/N)
- Signaling
- SIM
- SIM Card (Subscriber Identity Module Card)
- Simplex
- Simulcast
- Simultaneous Multiple Round Action
- Site
- Slamming
- SLAVE
- Sleep Mode
- Slotted ALOHA
- Slow fading
- Smart Antenna
- Smart Card
- Smart City
- Smart Phone
- SMR (Specialized Mobile Radio)
- SMS (Short Messaging Service)
- SMSC (Short Message Service Center)
- SMT (Surface Mount Technology)
- SN64
- SNR Signal-to-Noise Ratio
- SOCS (Satellite linked Off-shore Cellular System)
- Soft handoff
- Space diversity
- Special Emergency Radio Services (SERS)
- Special Subframe
- Specialized Common Carrier (SCC)
- Spectrum
- Spectrum Assignment
- Spectrum Cap
- Spectrum Etiquette
- Spectrum spreading
- Speech Coding
- Spread Spectrum
- SR (Spread Rate)
- SRAM (Static Random Access Memory)
- SS Spread Spectrum
- SS7 (Signaling System 7)
- SSD (Shared Secret Data)
- STANDBY
- Standby Time
- Stereo
- Submultiplexed
- Subscriber
- Subscriber Fraud
- Subscriber Number
- Subscriber Profiling
- Supplementary services
- Switch
- Symbian
- Synchronization
- Synchronous
- System A/B
- System ID
- System Selection Switch
- T-Carrier or T1 Circuit
- TACS (Total Access Communications System)
- Tail Bit (TB)
- Talk Time
- TAMS (Temporary Mobile Station Identity)
- TCH (Traffic Channel)
- TCH/F (Traffic Channel - full rate)
- TCH/H (Traffic Channel - half rate)
- TCM (Trellis Code Modulation)
- TCP/IP (Transmission Control Protocol/Internet Protocol)
- TDD
- TDD (Time Division Duplex)
- TDD Configurations
- TDMA (Time Division Multiple Access)
- TDN (Temporary Directory Number)
- TDTD (Time Division Transmit Diversity)
- Teknologi Telekomunikasi
- Telecommand
- Telecommunications
- Telecommunications Facilities
- Telecommunications Site
- Telecommunications Tower
- Teleconferencing
- Telematics
- Telemetry
- Telephone
- Telephony
- Telephony and Distributor Processor Circuit (TDPC)
- Telepoint
- Teletext
- Television Receive Only Earth Station (TVRO)
- Telocator Alphanumberic Protocol (TAP)
- Tenant Improvement
- Terminal Endpoint Identifier (TEI)
- Termination Charges
- TETRA (Terrestrial Trunked Radio)
- Third Generation
- TIA (Telecommunications Industry Association (U.S.)
- Time dispersion
- Time diversity
- Time Division Multiplexing
- Timing Advance
- tips SEO
- TipsTrick
- TMN (Telecommunications Management Network)
- Toll-Free Calling Area
- Tome
- Total AMSL (Above Mean Sea Level)
- Touch Tone
- Tracking
- Traffic
- Traffic channel conection
- Transaction
- Transceiver
- Transducer
- Translator
- Transmission
- Transmit diversity
- Transmitter
- Transponder
- Transportable
- TRAU (Transocder and Rate Adapter Unit)
- Tri-Mode Handset
- Triangulation
- Triple Band
- Trunk
- Trunk Cards
- Trunking
- TRXA
- TRXD
- TSTD (Time Switched Transmit Diversity)
- TTA (Telecommunications Technology Association (Korea)
- TTC (Telecommunications Technology Committee (Japan)
- Turnkey
- Twisted Pair
- UBEX
- UHF
- ULS
- Um
- UMTS (Universal Mobile Telecommunications System)
- Unbundling
- Uni-Directional Antenna
- Universal Service
- UNIX
- Unvalidated Phone
- Uplink
- UPT (Universal Personal Telecommunications)
- Urban cells
- USAT (Ultra Small Aperture Terminal)
- User Links
- USIM (An upgrade of the SIM card)
- UTAM
- UTRA (UMTS Terrestrial Radio Access)
- UUT (Unit Under Test)
- UWC (Universal Wireless Consortium)
- UWC-136
- UWCC (Universal Wireless Communications Consortium)
- VAD (Voice Activity Detector)
- Value Added Network (VAN)
- VAS (Value Added Service)
- VCXO (Voltage Contraolled Crystal Oscillator)
- Very High Frequency (VHF)
- VHF Drop-Ins
- Video Mail
- Viterbi algorithm
- VLR (Visitors Location Register)
- VMS (Voice Message Service)
- Vocoder
- Voice Paging Access
- Voice-Activated Dialing
- Voice-Mail (also called voice messaging)
- VOIP (Voice Over Internet Protocol)
- VPN (Virtual Private Network)
- VSELP (Vector Sum Excited Linear Predictive)
- W3C (World Wide Web Consortium)
- Waivers
- Walsh Code
- WAP (Wireless Application Protocol)
- waste management
- Wavelength
- WCA (Wireless Communications Association)
- WCDMA (Wideband Code Division Multiple Access)
- WCS (Wireless Communications Service)
- WDM (Wavelength Division Multiplexing)
- Whip Antenna
- Wide Area Telecommunications/Telephone Service (WATS)
- Wideband
- WIN (Wireless Intelligent Network)
- Windows CE
- Wireless
- Wireless Cable/Multipoint Distribution Service
- Wireless Communication
- Wireless Internet
- Wireless LANs (WLAN)
- Wireless Local Loop System (WLL)
- Wireless Message Format
- Wireless PBX (Private Branch Exchange)
- WIreless Telecommunication
- WMA (Windows Media Audio)
- WML (Wireless Markup Language)
- WOS (Wireless Office Systems)
- WPABX (Wireless Private Automatic Branch Exchange)
- WPDA
- X.25 protocol
- XML (Extensible Markup Language)
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