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Power adaptation for transmit antenna diversity in Rayleigh fading channels

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2 Author(s)
Ye Hoon Lee ; i-Networking Lab., Samsung Adv. Inst. of Technol., Suwon, South Korea ; Nam-Soo Kim

In this paper, power adaptation for a transmit antenna diversity system is considered in Rayleigh fading channels. The optimal space-time domain power adaptation that minimizes the average bit error rate is analytically derived subject to a fixed average power constraint. Our results show that the proposed space-time domain power adaptation scheme has a significant performance gain over the conventional power adaptation in the space domain only.

Published in:

Signal Processing Advances in Wireless Communications, 2003. SPAWC 2003. 4th IEEE Workshop on

Date of Conference:

15-18 June 2003