IEEE Transactions on Wireless Communications, Volume 3 Issue 6, November 2004
During the last years a number of space-time block codes have been proposed for use in multiple transmit antennas systems. In this letter we propose a method to extend any space-time code constructed for m transmit antennas to m p transmit antennas through Group-Coherent Codes (GCC). GCC make use of very limited feedback from the receiver (as low as one bit). In particular the scheme can be used to extend any orthogonal code (e.g. Alamouti code) to more than two antennas while preserving low decoding complexity, full diversity benefits and full data rate.
Type:
Journal
Date:
2004-11-01
Department:
Systèmes de Communication
Eurecom Ref:
1589
Copyright:
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