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A new approach to joint full-rate STBC and long-code WCDMA for four transmit antenna MIMO systems

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conference contribution
posted on 2009-12-10, 11:10 authored by Shen Cheng, Jonathon Chambers
In this work, we propose a novel combination of an extended orthogonal space-time block code (EO- STBC) or a quasi-orthogonal space-time block code (QO-STBC) and a long-code wideband code division multiple access (WCDMA) scheme to exploit spatial diversity in future wireless communication systems. For a mobile communication system, a key parameter is the system capacity. Multiple antennas at the transmitter and receiver in a system have been recognized as a major technology breakthrough to increase the capacity of a wireless communication network. To mitigate this limited capacity problem, two full transmit rate STBCs are integrated into the long-code WCDMA system with four transmit antenna. The bit error rate (BER) performance for the proposed technique is compared with other conventional methods for quasi-static wireless channels. Simulation results show that the proposed full rate STBC scheme when combined with the receive antenna selection technique method yields improved BER performance schemes.



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CHENG, S. and CHAMBERS, J., 2006. A new approach to joint full-rate STBC and long-code WCDMA for four transmit antenna MIMO systems. IN: 8th International Conference on Signal Processing, Beijing, China, 16-20 Nov, vol. 3




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