Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital...
8 KB (973 words) - 06:33, 7 April 2024
a different color. An advanced form of FDMA is the orthogonal frequency-division multiple access (OFDMA) scheme, for example, used in 4G cellular communication...
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In telecommunications, orthogonal frequency-division multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital...
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E-UTRA (redirect from High-Speed OFDM Packet Access)
uses orthogonal frequency-division multiple access (OFDMA) radio-access for the downlink and single-carrier frequency-division multiple access (SC-FDMA)...
22 KB (2,526 words) - 19:01, 4 May 2025
Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where...
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MIMO (redirect from Multiple-input multiple-output)
space-division multiple access or super-division multiple access where super emphasises that orthogonal division such as frequency- and time-division is...
65 KB (9,601 words) - 21:13, 28 July 2025
following schemes: Random frequency-hopping orthogonal frequency division multiple access (RFH-OFDMA) Code-division multiple access (CDMA), where different...
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different basis functions. One such scheme is time-division multiple access (TDMA), where the orthogonal basis functions are nonoverlapping rectangular pulses...
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example of frequency-division multiplexing is radio and television broadcasting, in which multiple radio signals at different frequencies pass through...
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Cellular network (redirect from Frequency reuse)
individually. Recently also orthogonal frequency-division multiple access based systems such as LTE are being deployed with a frequency reuse of 1. Since such...
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Multiplexing (redirect from Multiple user access multiplexing)
widely used multiple access techniques are time-division multiple access (TDMA) and frequency-division multiple access (FDMA). Code-division multiplex techniques...
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polarization. This technique allows frequency reuse. Frequency-division multiple access Code-division multiple access Time-division multiple access v t e...
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WiMAX (redirect from World Interoperability for Microwave Access)
2005 and uses scalable orthogonal frequency-division multiple access (SOFDMA), as opposed to the fixed orthogonal frequency-division multiplexing (OFDM)...
50 KB (5,927 words) - 17:15, 31 July 2025
LTE (telecommunication) (redirect from Time-Division Long-Term Evolution)
(220 mph) or 500 km/h (310 mph) depending on the frequency Orthogonal frequency-division multiple access for the downlink, Single-carrier FDMA for the uplink...
78 KB (7,759 words) - 13:33, 22 July 2025
GSM (section GSM carrier frequencies)
Telecommunications System (UMTS), code-division multiple access (CDMA) technology, nor the 4G LTE orthogonal frequency-division multiple access (OFDMA) technology standards...
40 KB (4,609 words) - 07:26, 25 July 2025
Signal modulation (category Frequency mixers)
multi-user channel access method in the orthogonal frequency-division multiple access (OFDMA) and multi-carrier code-division multiple access (MC-CDMA) schemes...
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UMTS (redirect from Time Division-Synchronous Code Division Multiple Access)
based on the GSM standard. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and...
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spoofing Complementary code keying Frequency-hopping spread spectrum Linear-feedback shift register Orthogonal frequency-division multiplexing Torrieri, Don (2018)...
6 KB (701 words) - 18:24, 4 September 2024
battery life. Orthogonal frequency-division multiple access (OFDMA) uses bundling of multiple small frequency bands that are orthogonal to one another...
14 KB (1,390 words) - 13:49, 28 April 2025
to prevent eavesdropping, and to enable code-division multiple access (CDMA) communications. The frequency band is divided into smaller sub-bands. Signals...
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code-division multiple access (MC-CDMA) is a multiple access scheme used in OFDM-based telecommunication systems, allowing the system to support multiple users...
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Electronics Engineers (IEEE) in 2016 for contributions to orthogonal frequency division multiple access cellular communication systems. Dr. Rangan received...
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abandoned. It was replaced by orthogonal frequency-division multiple access and other frequency-division multiple access schemes. This is combined with...
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5G (section NOMA (non-orthogonal multiple access))
single silicon device for multiple radio access technologies. NOMA (non-orthogonal multiple access) is a proposed multiple-access technique for future cellular...
165 KB (15,416 words) - 23:52, 2 August 2025
Spread spectrum (category Channel access methods)
rake receiver. Multiple access capability, known as code-division multiple access (CDMA) or code-division multiplexing (CDM). Multiple users can transmit...
16 KB (1,934 words) - 23:57, 15 September 2024
Multiple-input, multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) is the dominant air interface for 4G and 5G broadband wireless...
19 KB (2,438 words) - 15:45, 23 April 2024
Wi-Fi (redirect from Wifi access)
Wi-Fi 4, 5 and 6 use orthogonal frequency-division multiplexing. Channels are used half duplex and can be time-shared by multiple networks. Any packet...
122 KB (12,917 words) - 16:35, 30 July 2025
Evolution-Data Optimized (category Code division multiple access)
Flash-OFDM High-Speed Downlink Packet Access or HSDPA Mobile broadband Mobile broadband modem Orthogonal frequency-division multiplexing (OFDM) List of interface...
25 KB (2,771 words) - 21:18, 12 July 2025
Broadband (redirect from Broadband Internet access)
signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access. The transmission medium can...
38 KB (3,838 words) - 06:11, 22 July 2025
tri-band, quad-band, penta-band) UMTS frequency bands Nomor Research: White Paper "Technology of High Speed Packet Access" Archived January 23, 2009, at the...
16 KB (1,743 words) - 11:14, 8 June 2025