ANTENNA SELECTION AND TRAINING USING SPATIAL SPREADING MATRIX FOR USE IN WIRELESS MIMO COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To provide a wireless communication system and a method, which use a spatial spreading matrix to distribute the encoded spatial data streams to a plurality of transmit chains.SOLUTION: The spatial spreading matrix is designed such that a receiver is able to know and utilize the...

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Bibliographic Details
Main Authors ROHIT U NABAR, ZHANG HONGYUAN
Format Patent
LanguageEnglish
Published 07.11.2013
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
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Summary:PROBLEM TO BE SOLVED: To provide a wireless communication system and a method, which use a spatial spreading matrix to distribute the encoded spatial data streams to a plurality of transmit chains.SOLUTION: The spatial spreading matrix is designed such that a receiver is able to know and utilize the spatial spreading matrix for computing transmission antenna selection, receiver antenna selection and joint transmission/receiving antenna selection. The use of this spatial spreading matrix for antenna selection computation provides increased accuracy in antenna selection for transmission of spatial data streams, where the number of spatial data streams is less than the number of transmit or receive chains between the transmitter and receiver, and the number of transmit or receive chains is less than the corresponding transmission or receiving antennas.
Bibliography:Application Number: JP20130128850