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Delay tuning based transmit diversity scheme for TH-PPM UWB: performance with RAKE reception and comparison with multi RX schemes

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3 Author(s)
Niranjayan, S. ; Inst. for Infocomm Res., Singapore, Singapore ; Nallanathan, A. ; Kannan, B.

A delay tuning based transmit diversity scheme is proposed and its performance is compared with the performance of conventional RAKE receivers and multiple receiver antenna (multi RX) schemes. The performance improvement by using RAKE reception with the delay tuning based scheme is also discussed. In the proposed scheme, the transmission of each transmitting antenna is delay-adjusted in order to combine the strongest paths of the antennas coherently in space. This approach yields significant increase in performance in multiuser UWB environments, and reduces the complexity of the receivers.

Published in:

Ultra Wideband Systems, 2004. Joint with Conference on Ultrawideband Systems and Technologies. Joint UWBST & IWUWBS. 2004 International Workshop on

Date of Conference:

18-21 May 2004