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| A Method for TD-SCDMA System Improvement with MIMO Technology |
| Yang Xiao-hui; Li Shuang; He Dan-dan; Li Li-hua; Zhang Ping |
| Wireless Technologies Innovation Lab. Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract According to the features of TD-SCDMA system, a new MIMO structure of TD-SCDMA system based on midamble sequences is proposed. Furthermore, by combining Turbo iterative equalization and MIMO technology, MMSE-IC detection and MMSE-IC-Turbo detection are put forward. The two algorithms are measured with generally accepted RAKE-BLAST detection proposed in 3GPP. Simulation results show that MMSE-IC-Turbo detection performs best, and MMSE-IC also has better performance than the traditional algorithm. The capacity of TD-SCDMA system is largely improved by using the MIMO technology.
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Received: 14 October 2005
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2007, Vol. 29 
