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码分双工系统中的干扰抑制技术

金小鹿 马猛 焦秉立

金小鹿, 马猛, 焦秉立. 码分双工系统中的干扰抑制技术[J]. 电子与信息学报, 2010, 32(7): 1525-1530. doi: 10.3724/SP.J.1146.2009.01093
引用本文: 金小鹿, 马猛, 焦秉立. 码分双工系统中的干扰抑制技术[J]. 电子与信息学报, 2010, 32(7): 1525-1530. doi: 10.3724/SP.J.1146.2009.01093
Jin Xiao-lu, Ma Meng, Jiao Bing-li. Interference Suppression for Code Division Duplex Systems[J]. Journal of Electronics & Information Technology, 2010, 32(7): 1525-1530. doi: 10.3724/SP.J.1146.2009.01093
Citation: Jin Xiao-lu, Ma Meng, Jiao Bing-li. Interference Suppression for Code Division Duplex Systems[J]. Journal of Electronics & Information Technology, 2010, 32(7): 1525-1530. doi: 10.3724/SP.J.1146.2009.01093

码分双工系统中的干扰抑制技术

doi: 10.3724/SP.J.1146.2009.01093

Interference Suppression for Code Division Duplex Systems

  • 摘要: 码分双工(CDD)是近年来新提出的一种双工方式,它支持上、下行信道同时使用同一频段。但是,由于上、下行信号可能存在较大的功率差异因而会导致较严重的相互干扰。该文针对这一问题提出了一套有效的干扰抑制和消除方案。首先,文中分析了CDD系统存在的几种干扰,在此基础上提出了基站端采用分布式天线和干扰消除器处理干扰的策略,移动台间的干扰则依靠定位技术和调度算法进行抑制。最后,计算及仿真结果证明了码分双工系统的可行性。
  • Chan P W C, Lo E S, and Wang R R. The evolution path of4G networks: FDD or TDD? IEEE CommunicationsMagazine, 2006, 44(12): 42-50.[2]Spyropoulos I and Zeidler J R. Supporting asymmetric trafficin a TDD/CDMA cellular network via interference-awaredynamic channel allocation and space-time LMMSE jointdetection[J].IEEE Transactions on Vehicular Technology.2009,58(2):744-759[3]Sang Youngj-jin, Park Jin-bae, and Kim Seong-lyun, et al..Overlaid HDD system using relays. The 10th InternationalConference of Advanced Communication Technology(ICACT 2008), Phoenix Park, Korea, February 17-20, 2008,2: 889-893.[4]Lee W C Y. The most spectrum-efficient duplexing system:CDD. IEEE Communications Magazine, 2002, 40(3):163-166.[5]Lee W C Y. CS-OFDMA: A new wireless CDD physical layerscheme[J].IEEE Communications Magazine.2005, 43(2):74-79[6]Wang Xin-zheng, Zhu Peng-cheng, and Chen Ming. Antennalocation design for generalized distributed antenna systems[J].IEEE Communications Letters.2009, 13(5):315-317[7]Esmailzadeh R, Nakagawa M, and Jones A. TDD-CDMA forthe 4th generation of wireless communications. IEEEWireless Communications, 2003, 10(4): 8-15.[8]Lee W C Y. Estimate of channel capacity in Rayleigh fadingenvironment[J].IEEE Transactions on Vehicular Technology.1990, 39(3):187-189[9]Giinther C G. Comment on estimate of channel capacity inRayleigh fading environment[J].IEEE Transactions onVehicular Technology.1996, 45(2):401-403[10]ITU Radiocommunication Study Groups, Guidelines forevaluation of radio interface technologies for IMT-Advanced,Draft new Report ITU-R M.[IMT.EVAL], 2008: 33-34.[11]Rappaport T S. Wireless Communications Principles andPractice. London: Prentice Hall, 1996: 26-28.Rappaport T S. Wireless Communications Principles andPractice. London: Prentice Hall, 1996: 37-41.
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出版历程
  • 收稿日期:  2009-08-17
  • 修回日期:  2009-11-20
  • 刊出日期:  2010-07-19

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