Multiuser transmission diversity and relay method and system
A sub-system and multi-user technology, applied in the direction of frequency division multiplexing system, time division multiplexing system, diversity/multi-antenna system, etc., can solve the problems of poor transmission reliability, increased hardware cost, and no consideration of transmission reliability and other issues, to achieve the effect of low demodulation complexity, improve transmission reliability, and ensure transmission effectiveness
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[0028] The method and system for multi-user transmit diversity and transmit diversity relay in a wireless communication system as an embodiment of the present invention will be described in detail below with reference to the accompanying drawings, and details and systems unnecessary for the present invention are omitted in the description process functions in order to prevent confusion in the understanding of the present invention.
[0029] As an embodiment of the present invention, first consider the situation that two users in a wireless communication system realize two-way communication through a relay station. FIG. 4 shows a schematic diagram of the transmit diversity relay process of this embodiment in the case of two users.
[0030] In order to improve the transmission reliability of the wireless communication system, it can be considered to use 4 channels. Different from the traditional method, the relay station does not use two relay channels to transmit the signals o...
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