Space Diversity Multiple Access

Space Diversity Multiple Access
Abbreviation: SDMA

Универсальный русско-английский словарь. . 2011.

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  • Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …   Wikipedia

  • Diversity scheme — Terrestrial microwave radio system with two antenna arrays configured for space diversity In telecommunications, a diversity scheme refers to a method for improving the reliability of a message signal by using two or more communication channels… …   Wikipedia

  • Channel access method — In telecommunications and computer networks, a channel access method or multiple access method allows several terminals connected to the same multi point transmission medium to transmit over it and to share its capacity. Examples of shared… …   Wikipedia

  • Space music — Space music, also spelled spacemusic, is an umbrella term used to describe music that evokes a feeling of contemplative spaciousness. In fact, almost any music with a slow pace and space creating sound images could be called spacemusic. Stephen… …   Wikipedia

  • Cooperative diversity — is a cooperative multiple antenna technique for improving or maximising total network channel capacities for any given set of bandwidths which exploits user diversity by decoding the combined signal of the relayed signal and the direct signal in… …   Wikipedia

  • Multi-user MIMO — In radio, multi user MIMO (MU MIMO) is a set of advanced MIMO, multiple input and multiple output (pronounced mee moh or my moh), technologies that exploit the availability of multiple independent radio terminals in order to enhance the… …   Wikipedia

  • MIMO — This article is about MIMO in wireless communication. For other uses, see MIMO (disambiguation). Understanding of SISO, SIMO, MISO and MIMO (note that the terms input and output refer to the radio channel carrying the signal, not to the devices… …   Wikipedia

  • Many antennas — Many antennas,[1] is a smart antenna technique, which overcomes the performance limitation of single user multiple input multiple output (MIMO) techniques. In cellular communication, the maximum number of considered antennas for downlink is 2 and …   Wikipedia

  • Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… …   Wikipedia

  • Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Multiplexing — General multiplex scheme: the ν input lines channels are multiplexed into a single fast line. The demultiplexer receives the multiplexed data stream and extracts the original channels to be transferred …   Wikipedia


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