Frequency-division multiple access (FDMA) is a channel access method used in some multiple-access protocols. FDMA allows multiple users to send data through...
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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
Time-division multiple access (TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel...
21 KB (2,733 words) - 15:48, 24 May 2025
varies on each frame. Multi-frequency time-division multiple access (MF-TDMA) combines time and frequency multiple access. As an example, 2G cellular...
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Single-carrier FDMA (redirect from Single carrier frequency division multiple access)
Single-carrier FDMA (SC-FDMA) is a frequency-division multiple access scheme. Originally known as Carrier Interferometry, it is also called linearly precoded...
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MF-TDMA ("Multi-frequency time-division multiple access") is a technology for dynamically sharing bandwidth resources in an over-the-air two-way communications...
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Space-division multiple access (SDMA), strictly a misnomer, is a technique to enhance the capacity of mobile and WiFi networks that use a base station...
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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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orthogonal frequency-division multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital (binary) data on multiple carrier...
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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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frequencies for numbering. Different frequencies (ARFCNs) are used for the frequency-based component of GSMs multiple access scheme (FDMA — frequency-division...
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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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E-UTRA (redirect from High-Speed OFDM Packet Access)
orthogonal frequency-division multiple access (OFDMA) radio-access for the downlink and single-carrier frequency-division multiple access (SC-FDMA) on...
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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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Cellular network (redirect from Frequency reuse)
one cell gap between cells which reuse the same frequency in a standard frequency-division multiple access (FDMA) system. Consider the case of a taxi company...
46 KB (5,539 words) - 13:06, 9 August 2025
time-division multiplexing and frequency-division multiplexing. Channel access methods for circuit switching include time-division multiple access, frequency-division...
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rates. In multiple access channels (code-division multiple access (CDMA), frequency-division multiple access (FDMA), time-division multiple access (TDMA))...
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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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MIMO (redirect from Multiple-input multiple-output)
aggressive frequency reuse in the early 1990s. Space-division multiple access (SDMA) uses directional or smart antennas to communicate on the same frequency with...
65 KB (9,606 words) - 20:42, 7 August 2025
Code-division multiple access – Channel access method used by various radio communication technologies Dark fiber – Unused optical fibre Frequency-division...
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following schemes: Random frequency-hopping orthogonal frequency division multiple access (RFH-OFDMA) Code-division multiple access (CDMA), where different...
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attributed to the multiple access methods used for transmission. The location of each mobile phone must be known to reuse a given band of frequencies in different...
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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...
8 KB (1,123 words) - 18:37, 22 February 2024
audio frequencies. Acoustic telegraphy was similar in concept to present-day FDMA, or frequency-division multiple access, used with radio frequencies. The...
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UMTS standards CDMA: Code-division multiple access TDMA: Time-division multiple access FDMA: Frequency-division multiple access Lee, William (2006). Wireless...
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reliable Media access control layer. TSCH can be seen as a combination of Time-division multiple access and Frequency-division multiple access mechanisms...
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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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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
Duplex (telecommunications) (redirect from Frequency division duplex)
carrier-sense multiple access, for example 2-wire or hubbed Ethernet, Wireless local area networks and Bluetooth, can be considered as time-division duplexing...
18 KB (2,124 words) - 01:26, 30 July 2025
Distributed Data Interface FDM—Frequency-Division Multiplexing FDMA—Frequency-Division Multiple Access FDS—Fedora Directory Server FE—Frontend FEC—Forward Error...
118 KB (8,355 words) - 13:27, 10 August 2025