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MIMO HSDPA系统中分数采样的空时均衡接收方案 被引量：2

A Fractional-Sampling Space-Time Equalization Receiver for MIMO HSDPA Systems
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摘要 为了解决第三代移动通信系统下行链路容量瓶颈问题,在HSDPA的解决方案中,多输入多输出(MIMO)天线系统的提案越来越受到重视。然而,频率选择性衰落信道下多天线和多码扩频传输会产生严重的码间干扰和共信道间干扰。本文提出了一种频率选择性衰落环境下MIMO HSDPA系统中分数采样的空时均衡接收方案,并进行了详细的理论推导。给出了ITU Pedestrian A信道环境下的仿真结果。 Multiple-input multiple-output (MIMO) technology has been proposed for the high-speed downlink packet access (HSDPA) extension to the 3GPP mobile communication standard to achieve high data throughput with significantly increased spectrum efficiency. However, multi-antenna and multi-code transmission in frequency selective fading channel results in severely co-channel interference and inter-code interference. Accordingly, a fractional-sampling space-time equalization receiver scheme for MIMO HSDPA is proposed to combat above mentioned interference抯. System simulations demonstrate that the performance of the proposed scheme is better than conventional space-time Rake receiver.
作者 周志刚 程时昕 陈明 王海峰
机构地区 东南大学移动通信国家重点实验室 Nokia Mobile Phones Elektroniikkatie
出处 《电路与系统学报》 CSCD 2004年第4期17-20,145,共5页 Journal of Circuits and Systems
基金 NOKIA基金资助项目 国家863高新技术基金资助项目(2002AA123031)
关键词 MIMO HSDPA 分数采样 空时均衡 MIMO HSDPA fractional-sample space-time equalization
分类号 TN929.533 [电子电信—通信与信息系统]
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参考文献10

  • 13GPP High Speed Downlink Packet Access: Physical layer aspects (Release 5) [S]. TR 25.828, 2002.
  • 2Foschini Gerard J. Layered Space-Time Architecture for Wireless Communication in a Fading Environment When Using Multiple Antennas [J]. Bell Laboratories Technical Journal, 1996, 1(2): 41-59.
  • 3Khirallah C, Coulton P, Zein N, Webster S C. Performance of space-time coding for 3GPP HSDPA service under flat and frequency selective fading conditions [A]. Proc. Of 3rd Inter. Conf. On 3G Mobile Communication Technologies 2002 [C]. May 2002-05, 133-136.
  • 4Kwan R, Chong P H J, Poutiainen E, Rinne M. The effect of code-multiplexing on the high speed downlink packet access (HSDPA) in a WCDMA network Wireless Communications and Networking [A]. Proc. Of IEEE WCNC2003 [C]. 2003-03, 3: 1728-1732.
  • 5Higuchi K, Morimoto A, Abeta S, Sawahashi M. Evaluation of throughput and coverage employing multipath interference canceller in high-speed downlink packet access in multipath fading channel [A]. Proc. Of IEEE 7th Inter. Symp. On Spread Spectrum Techniques and Applications [C]. 2002, 3:667-671.
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同被引文献17

  • 1何方白,何伟,徐成伍.WCDMA下行链路RAKE接收机的算法分析与比较[J].西安邮电学院学报,2004,9(3):16-18. 被引量：1
  • 2吴志彪.HSDPA系统中分组调度算法研究[J].山东通信技术,2005,25(4):28-31. 被引量：6
  • 3朱文辉.矩阵初等变换的运算次数.高等数学通报,2002,(6):41-46.
  • 43GPP High Speed Downlink Packet Access: Physical layer aspects (Release 5) [S]. TR 25.828, 2002.
  • 5Khirallah C, Coulton P, Zein N, Webster S C. Performance of space-time coding for 3GPP HSDPA service under flat and frequency selective fading conditions [A]. Proe. of 3rd Inter. Conf. on 3G Mobile Communieation Technologies 2002 [C]. 2002-05. 133-136.
  • 6Kwan R, Chong P H J, Poutiainen E, Rinne M. The effect of code-multiplexing on the high speed downlink packet access (HSDPA) in a WCDMA network Wireless Communications and Networking [A]. Proe. of IEEE WCNC2003 [C]. 2003-03, 3: 1728-1732.
  • 7K Hooli, M Latva-Aho, M Juntti. Performance Evaluation of Adaptive Chip-Level Channel Equalizers in WCDMA Downlink [A]. Proc. IEEE International Conference on Communications 2001 [C]. 2001, 6: 1974-1979.
  • 8P Komulainen, M J Heikkila, J Lilleberg. Adaptive Channel Equalization and Interference Suppression for CDMA Downlink [A]. IEEE International Symposium on Spread-Spectrum Techniques and Applications [C]. 2000, 2: 363-367.
  • 9T S Rappaport. Wireless Communications Principles&Practice [M]. Prentice Hall, New Jersey USA. 1996. 102-104.
  • 10S Haykin. Adaptive Filter Theory [M]. Prentice Hall, 3 edition, New Jersey USA. 1996. 156-158.

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电路与系统学报
2004年 第4期

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