Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access...
36 KB (4,745 words) - 22:05, 25 May 2025
Multi-carrier code-division multiple access (MC-CDMA) is a multiple access scheme used in OFDM-based telecommunication systems, allowing the system to...
8 KB (1,123 words) - 18:37, 22 February 2024
Alternatives include time-division multiple access (TDMA), code-division multiple access (CDMA), or space-division multiple access (SDMA). These protocols...
4 KB (534 words) - 21:21, 1 June 2025
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
polarization. This technique allows frequency reuse. Frequency-division multiple access Code-division multiple access Time-division multiple access v t e...
1 KB (116 words) - 19:19, 13 June 2023
CSMA/CA, used in wireless networks such as IEEE 802.11. The code-division multiple access (CDMA) scheme is based on spread spectrum, meaning that a wider...
18 KB (2,325 words) - 21:57, 7 April 2025
UMTS (redirect from Time Division-Synchronous Code Division Multiple Access)
networks based on the GSM standard. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and...
71 KB (8,955 words) - 03:16, 5 June 2025
interference. Some practical and effective uses of DSSS include the code-division multiple access (CDMA) method, the IEEE 802.11b specification used in Wi-Fi...
6 KB (701 words) - 18:24, 4 September 2024
Multiplexing (redirect from Multiple user access multiplexing)
multiple access (TDMA) and frequency-division multiple access (FDMA). Code-division multiplex techniques are used as an access technology, namely code-division...
22 KB (2,709 words) - 13:16, 31 May 2025
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
Arrayed waveguide grating – Optical multiplexer component Code-division multiple access – Channel access method used by various radio communication technologies...
44 KB (4,074 words) - 01:36, 31 May 2025
Chip (CDMA) (redirect from Code chip)
spectrum (DSSS) code, such as a pseudo-random noise (PN) code sequence used in direct-sequence code-division multiple access (CDMA) channel access techniques...
2 KB (280 words) - 15:13, 23 September 2024
Quadrature-division multiple access (QDMA) is a radio protocol. The term combines two standard terms in telecommunications, CDMA and QPSK. QDMA is used...
2 KB (209 words) - 03:56, 15 February 2025
a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code-division multiple access...
15 KB (1,921 words) - 04:34, 26 May 2025
CdmaOne (category Code division multiple access)
TIA/EIA/IS-95 release published in 1995. cdmaOne used code-division multiple access (CDMA), a multiple access scheme for digital radio, to send voice, data and...
13 KB (1,992 words) - 15:50, 25 May 2025
different techniques of access (TDMA, FDMA, CDMA, SDMA). See Cellular concepts. Let a case of Code Division Multiple Access be considered for the relationship...
12 KB (1,380 words) - 17:21, 28 February 2025
not patent the algorithm. Viterbi also helped to develop the Code Division Multiple Access (CDMA) standard for cell phone networks. Viterbi was the cofounder...
18 KB (1,571 words) - 05:37, 27 April 2025
MC-CDMA may stand for: Multi-carrier code-division multiple access, a multiple access technology used in telecommunication systems based on OFDM. A variant...
365 bytes (84 words) - 16:59, 10 July 2021
orthogonal frequency division multiple access (RFH-OFDMA) Code-division multiple access (CDMA), where different amount of spreading codes or spreading factors...
6 KB (798 words) - 10:00, 1 June 2025
nodes. In a network with code-division multiple access (CDMA) MAC protocol, each transmitter modulates its signal by a code that is orthogonal to that...
59 KB (7,849 words) - 02:34, 13 April 2025
rates. In multiple access channels (code-division multiple access (CDMA), frequency-division multiple access (FDMA), time-division multiple access (TDMA))...
5 KB (549 words) - 15:29, 3 June 2025
UMTS Terrestrial Radio Access Network (UTRAN) is a collective term for the network and equipment that connects mobile handsets to the public telephone...
3 KB (330 words) - 22:45, 2 August 2024
mobile telecommunications network in the United States using code-division multiple access (CDMA). In 2013, the carrier engaged in a reverse merger with...
16 KB (1,478 words) - 01:23, 25 January 2025
UMTS standards CDMA: Code-division multiple access TDMA: Time-division multiple access FDMA: Frequency-division multiple access Lee, William (2006). Wireless...
4 KB (537 words) - 18:27, 14 January 2024
other popular air interfaces such as time-division multiple access (TDMA) and code-division multiple access (CDMA), the combination of MIMO and OFDM is...
19 KB (2,438 words) - 15:45, 23 April 2024
multiple access using time, frequency or coding separation of the users. In orthogonal frequency-division multiple access (OFDMA), frequency-division...
88 KB (11,274 words) - 10:03, 25 May 2025
CDMA spectral efficiency (category Code division multiple access)
channels and supplemental channels. The forward link of a 3G code-division multiple-access (CDMA) system may become a limiting factor when the number of...
13 KB (1,829 words) - 00:51, 20 January 2025
word have been corrupted. In code-division multiple access (CDMA) communication, the Hadamard code is referred to as Walsh Code, and is used to define individual...
23 KB (3,844 words) - 18:53, 17 May 2025
CDMA2000 (category Code division multiple access)
broadband Internet access. It uses multiplexing techniques including code-division multiple access (CDMA) as well as time-division multiple access to maximize...
9 KB (757 words) - 03:03, 17 May 2025
during the transition to MUOS, and the advanced MUOS Wideband Code Division Multiple Access (WCDMA) capability, according to Naval Information Warfare Systems...
19 KB (1,989 words) - 12:42, 30 April 2025