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Volume 30 Issue 5
Dec.  2010
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Hu Dong-wei, Chen Jie . Block Decision Feedback based Joint Detection Algorithm for TD-SCDMA and Its VLSI Implementation[J]. Journal of Electronics & Information Technology, 2008, 30(5): 1180-1184. doi: 10.3724/SP.J.1146.2006.01377
Citation: Hu Dong-wei, Chen Jie . Block Decision Feedback based Joint Detection Algorithm for TD-SCDMA and Its VLSI Implementation[J]. Journal of Electronics & Information Technology, 2008, 30(5): 1180-1184. doi: 10.3724/SP.J.1146.2006.01377

Block Decision Feedback based Joint Detection Algorithm for TD-SCDMA and Its VLSI Implementation

doi: 10.3724/SP.J.1146.2006.01377
  • Received Date: 2006-09-11
  • Rev Recd Date: 2007-03-19
  • Publish Date: 2008-05-19
  • A new Joint Detection (JD) algorithm, named as Block-Decision-Feedback based Joint Detection (BDF-JD), is proposed for TD-SCDMA. Comparing to the existing algorithms, BDF-JD has much less computational complexity and comparable performance, and is very suitable for terminals. Based on BDF-JD, the architecture of the JD coprocessor is proposed. Implemented with the 0.18 m process of SMIC, the coprocessor only consumes 160 k gates.
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  • 重邮信科公司3G 解决方案,2006.06.16. 电子系统设计,www.ed-china.com.[2]覃贞旺. TD-SCDMA 终端联合检测技术的分析与实现. [硕士论文],电信科学研究院,2006.[3]Klein A and Kaleh G K. Zero forcing and minimum meansquare error equalization for multiuser detection in codedivision multiple access channels. IEEE Trans. on VehicularTechnology, 1996, 45(2): 276-287.[4]Karimi H R. A novel and efficient solution to block-basedjoint-detection using approximate cholesky factorization[J].InPersonal, Indoor and Mobile Radio Communications,PIMRC98, Conference Proceedings, Boston, MA , Sept.1998,Vol.3:1340-1345[5]Vollmer M and Haardt M, et al.. Comparative study ofjoint-detection techniques for TD-CDMA based mobile radiosystems[J].IEEE Journal on Selected Areas on Communications.2001, 19(8):1461-1475[6]Weber T and Schlee J. A hardware demonstrator forTD-CDMA[J].IEEE Trans. on Vehicular Technology.2002,51(5):877-892[7] 3rd Generation Partnership Project, 3GPP Tech. Spec., TS25. 102/105/201/221/222/223/224/225/944, www.3gpp.org.
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