frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided into a series of non-overlapping...
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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
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
fading) or beamforming (improved selectivity) rather than multiplexing. Frequency-division multiplexing (FDM) is inherently an analog technology. FDM achieves...
22 KB (2,716 words) - 03:49, 15 March 2025
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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Polarization-division multiplexing (PDM) is a physical layer method for multiplexing signals carried on electromagnetic waves, allowing two channels of...
10 KB (1,350 words) - 17:02, 25 April 2024
Orbital angular momentum multiplexing is a physical layer method for multiplexing signals carried on electromagnetic waves using the orbital angular momentum...
23 KB (2,692 words) - 04:58, 10 March 2025
Dynamic frequency hopping List of multiple discoveries Maximum length sequence Orthogonal frequency-division multiplexing Radio-frequency sweep "Furthermore...
15 KB (1,921 words) - 01:41, 3 August 2024
MIMO (section Diversity–multiplexing tradeoff)
Spatial multiplexing techniques make the receivers very complex, and therefore they are typically combined with orthogonal frequency-division multiplexing (OFDM)...
48 KB (6,057 words) - 09:54, 3 November 2024
frequencies Frequency-change signaling Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) Phase-shift keying (PSK) Federal...
16 KB (1,913 words) - 03:39, 31 July 2024
fs. Moose, P.H. (October 1994). "A technique for orthogonal frequency division multiplexing frequency offset correction". IEEE Transactions on Communications...
15 KB (2,599 words) - 03:23, 26 July 2024
Generalized frequency division multiplexing (GFDM) structure. More than one symbol can be carried in each grid of time-frequency lattice. Orthogonal polynomials...
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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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scheme designed to be used in an Orthogonal Frequency-Division Multiplexing (OFDM) communication system for multiplexing and multiple access, enabling the...
13 KB (1,628 words) - 04:19, 16 December 2023
such as by multipair cable or separation, such as by frequency-division or time-division multiplexing. A path for conveying electrical or electromagnetic...
14 KB (1,804 words) - 21:36, 16 May 2025
4G (section Multiplexing and access schemes)
Hatim Zaghloul and Michel Fattouche invented wideband orthogonal frequency-division multiplexing (WOFDM), the basis for wideband wireless communication...
61 KB (6,522 words) - 03:33, 13 May 2025
pulse-position modulation (FPPM and PPM) Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) Continuous Phase Modulation (CPM)...
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5G (redirect from Non-Terrestrial Network)
dimension for multiplexing in addition to the time and frequency ones, without changing the bandwidth requirements of the system. Spatial multiplexing gains allow...
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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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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...
13 KB (1,359 words) - 18:01, 2 May 2025
network specifications that defined requirements for an orthogonal frequency-division multiplexing (OFDM) communication system. It was originally designed...
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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...
27 KB (2,631 words) - 14:11, 7 August 2024
(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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03415 [cs.IT]. Rou, H. S. (2024). "From Orthogonal Time–Frequency Space to Affine Frequency-Division Multiplexing: A comparative study of next-generation...
11 KB (1,285 words) - 19:00, 17 March 2025
least 500 MHz of a narrow-band carrier; for example, orthogonal frequency-division multiplexing (OFDM))—can access the UWB spectrum under the rules. A...
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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
their orthogonality. Another key property is that the modulations are low-frequency/low-bandwidth waveforms compared to the carrier frequency, which...
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UMTS (redirect from Time Division-Synchronous Code Division Multiple Access)
a next generation air interface technology based upon orthogonal frequency-division multiplexing. The first national consumer UMTS networks launched in...
71 KB (8,959 words) - 00:58, 15 April 2025
transmission system". These techniques include orthogonal-band-multiplexed (OBM)-orthogonal frequency-division multiplexing (OFDM), no-guard-interval (NGI)-OFDM...
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Evolution-Data Optimized (category Code division multiple access)
services. It uses advanced multiplexing techniques including code-division multiple access (CDMA) as well as time-division multiplexing (TDM) to maximize throughput...
25 KB (2,769 words) - 15:12, 7 May 2025