Pilot-aided chip-interleaved DS-CDMA transmission over time-varying channels

Yanxin Na; Mohammad Saquib; Moe Zaw Win

doi:10.1117/12.611987

23 May 2005 Pilot-aided chip-interleaved DS-CDMA transmission over time-varying channels (Invited Paper)

Yanxin Na, Mohammad Saquib, Moe Zaw Win

Proceedings Volume 5847, Noise in Communication Systems; (2005) https://doi.org/10.1117/12.611987
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States

Abstract

Time-varying multipath fading associated with the wireless link limit the capacity of a wireless system. To adapt to this adverse radio environment efficiently, we investigate the use of a pilot-aided fade-resistant transmission scheme for the uplink of a chip-interleaved code division multiple access (CDMA) system. We analyze the trade-off between the number of diversity branches and the channel estimation error. We derive the optimum ratio of pilot signal power to information signal power. Our numerical study indicates that depending on the transmitter power and channel condition, the proposed system is capable of outperforming the conventional CDMA system.

Citation Download Citation

Yanxin Na, Mohammad Saquib, and Moe Zaw Win "Pilot-aided chip-interleaved DS-CDMA transmission over time-varying channels (Invited Paper)", Proc. SPIE 5847, Noise in Communication Systems, (23 May 2005); https://doi.org/10.1117/12.611987

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