Space–time trellis code: Difference between revisions

Revision as of 07:12, 20 October 2020

Latest revision as of 18:53, 5 July 2023

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{{Use dmy dates|date=MayJuly 20132023}}

'''Space–time trellis codes''' ('''STTCs''') are a type of [[space–time code]] used in [[multiple-input multiple-output|multiple-antenna]] [[wireless|wireless communications]]. This scheme transmits multiple, [[redundancy (information theory)|redundant]] copies of a [[trellis modulation|generalised TCM signal]] distributed over time and a number of [[antenna (radio)|antennas]] ('space'). These multiple, 'diverse' copies of the data are used by the receiver to attempt to reconstruct the actual transmitted data. For an STC to be used, there must necessarily be multiple ''transmit'' antennas, but only a single ''receive'' antennas is required; nevertheless multiple receive antennas are often used since the performance of the system is improved by the resulting spatial diversity.

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==References==

{{reflist|colwidth=30em}}

{{DEFAULTSORT:Space-time trellis code}}