In telecommunications, orthogonal frequency-division multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital...
88 KB (11,274 words) - 02:38, 9 March 2025
In telecommunications, frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided...
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Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital...
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Polarization-division multiplexing (PDM) is a physical layer method for multiplexing signals carried on electromagnetic waves, allowing two channels of...
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Non-orthogonal frequency-division multiplexing (N-OFDM) is a method of encoding digital data on multiple carrier frequencies with non-orthogonal intervals...
14 KB (1,842 words) - 04:32, 22 July 2023
scheme is orthogonal frequency-division multiplexing (OFDM), which refers to the use, by a single transmitter, of a set of frequency multiplexed signals...
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fading) or beamforming (improved selectivity) rather than multiplexing. Frequency-division multiplexing (FDM) is inherently an analog technology. FDM achieves...
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arrangement is called mixed numerology. The nature of the orthogonal frequency-division multiplexing (OFDM) waveforms includes interconnected parameters (for...
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Signal modulation (category Frequency mixers)
digital modulation method that employs multiple carriers, orthogonal frequency-division multiplexing (OFDM), is used in WiFi networks, digital radio stations...
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advanced cases) quadrature amplitude modulation (QAM) or orthogonal frequency-division multiplexing (OFDM), which typically makes it very robust and efficient...
36 KB (4,745 words) - 21:23, 29 December 2024
frequencies Frequency-change signaling Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) Phase-shift keying (PSK) Federal...
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pulse-position modulation (FPPM and PPM) Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) Continuous Phase Modulation (CPM)...
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Channel access method (redirect from Time and Frequency division multiple access)
(MS-ALOHA) Code-division multiple access (CDMA) Orthogonal frequency-division multiple access (OFDMA) Orthogonal frequency-division multiplexing (OFDM) Where...
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5G NR (section Frequency bands)
for the air interface of 5G networks. It is based on orthogonal frequency-division multiplexing (OFDM), as is the 4G (fourth generation) long-term evolution...
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of the next generation standard. The use of MIMO-OFDM (orthogonal frequency division multiplexing) to increase the data rate while maintaining the same...
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general time division multiplexing (TDM) and frequency division multiplexing (FDM). When performed correctly, statistical multiplexing can provide a...
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and other data in an MPEG transport stream, using coded orthogonal frequency-division multiplexing (COFDM or OFDM) modulation. It is also the format widely...
36 KB (3,861 words) - 13:06, 12 April 2025
of bins produces a transmission system known as coded orthogonal frequency-division multiplexing (COFDM). In the context of G.992.1, the term "Discrete...
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standards: Digital Video Broadcasting (DVB) uses coded orthogonal frequency-division multiplexing (OFDM) modulation and supports hierarchical transmission...
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progressive diseases Discrete multitone modulation, a form of orthogonal frequency-division multiplexing (OFDM) Definite Minimum Time, a term specific to protective...
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(macrodiversity) in orthogonal frequency-division multiplexing cellular networks. DSFN is based on the idea of single frequency networks, which is a group of radio...
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High-speed multimedia radio (section Frequency sharing)
925 GHz (5 cm) band. The 802.11a standard uses OFDM or "Orthogonal Frequency Division Multiplexing" to transmit data and therefore is not classified as spread-spectrum...
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network specifications that defined requirements for an orthogonal frequency-division multiplexing (OFDM) communication system. It was originally designed...
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critical in modern software defined radios, which utilize Orthogonal Frequency Division Multiplexing to spread the symbols (bits) using a cyclic prefix. This...
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Multiple-input, multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) is the dominant air interface for 4G and 5G broadband wireless communications...
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choosing between two technology proposals, Multi-band Orthogonal Frequency Division Multiplexing (MB-OFDM) and Direct Sequence UWB (DS-UWB), backed by...
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Radio (section ITU frequency bands)
digital signals, the frequency of the carrier wave is shifted between frequencies.: 58 orthogonal frequency-division multiplexing (OFDM) – a family of...
164 KB (16,284 words) - 02:47, 3 May 2025
modulation and demodulation of complex data symbols using orthogonal frequency-division multiplexing (OFDM) for 5G, LTE, Wi-Fi, DSL, and other modern communication...
67 KB (7,814 words) - 18:05, 2 May 2025
average power transmitted (Shannon–Hartley theorem). Orthogonal frequency-division multiplexing (OFDM) is a very promising modulation technique; perhaps...
15 KB (1,255 words) - 22:16, 6 March 2025
non-line of sight (NLOS) coverage using beamforming and orthogonal frequency-division multiplexing (OFDM). Service was launched in ten cities in 2000. However...
53 KB (6,370 words) - 23:07, 17 April 2025