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两跳OFDM-AF接力系统中的子载波配对技术

DOI: 10.13190/jbupt.200801.135.070, PP. 135-139

Keywords: 放大前传,正交频分复用,匈牙利算法

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Abstract:

分析了基于放大前传的两跳正交频分复用接力系统.针对因信号在两跳过程中被置于相同子载波传输而限制系统性能的问题,提出了子载波配对技术,并采用匈牙利算法提出了最优配对方案.进一步提出了基于子带的子载波配对方案.仿真结果表明,子载波配对技术能为系统带来约5dB的增益;基于子带的子载波配对的增益略低,但能大大降低信令开销.

References

[1]  Nosratinia A, Hedayat A. Cooperative communication in wireless networks[J]. IEEE Communication Magazine, 2004, 42(10): 74-80.
[2]  张静美, 王莹, 张平. 多天线协作传输系统的容量分析与功率分配[J]. 北京邮电大学学报, 2005, 28(5): 11-15. Zhang Jingmei, Wang Ying, Zhang Ping. Capacity analysis and power allocation for multi-antenna cooperative system[J]. Journal of Beijing University of Posts and Telecommunications, 2005, 28(5): 11-15.
[3]  张静美, 邵春菊, 王莹, 等. 基于不同信道状态信息的两跳中继系统最优功率分配[J]. 北京邮电大学学报, 2005, 28(4): 58-61. Zhang Jingmei, Shao Chunju, Wang Ying, et al. Optimal power allocation for two-hop relaying system with different channel state information[J]. Journal of Beijing University of Posts and Telecommunications, 2005, 28(4): 58-61.
[4]  李立华, 王勇, 张平. 移动通信中的先进信号处理技术[M]. 第1版. 北京: 北京邮电大学出版社, 2005. Li Lihua, Wang Yong, Zhang Ping. Advanced signal processing technologies in mobile communication[M]. 1st Edition. Beijing: Beijing University of Posts and Telecommunications Press, 2005.
[5]  Herdin M. A chunk based OFDM amplify-and -forward relaying scheme for 4G mobile radio systems//IEEE International Conference on Communication. : IEEE Press, 2006: 4507-4512.
[6]  IEEE C802.16j-06/026r0.802.16j—2006, Mobile multihop relay usage models [S]. 2006.
[7]  Kuhn H W. The Hungarian method for the assignment problem[J]. Naval Research Logistics Quarterly, 1955, 2: 83-97.
[8]  3GPP. TS 45.005—2006, Radio transmission and reception (Release 7). 2006. (上接第115页)
[9]  白洁, 张建华, 刘若菊, 等. MIMO-OFDM系统定时与多径时延估计[J]. 北京邮电大学学报, 2005, 28(5): 52-54,73. Bai Jie, Zhang Jianhua, Liu Ruoju, et al. Timing and multipath delay estimation for a MIMO-OFDM system[J]. Journal of Beijing University of Posts and Telecommunications, 2005, 28(5): 52-54, 73.
[10]  Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM[J]. IEEE Transactions on Communication, 1997, 45(12): 1613-1621.
[11]  Tufvesson F, Edfors O, Faulkner M. Time and frequency synchronization for OFDM using PN-sequence preambles//IEEE Vehicular Technology Conference. Amsterdam: IEEE, 1999: 2203-2207.
[12]  严春林. 正交频分复用系统中的同步技术研究. 成都: 电子科技大学, 2004.
[13]  Chu D C. Polyphase codes with good periodic correlation properties[J]. IEEE Transactions on Information Theory, 1972, 18(4): 531-532.
[14]  Seung Duk Choi, Jung Min Choi, Jae Hong Lee. An initial timing offset estimation method for OFDM systems in rayleigh fading channel// IEEE Vehicular Technology Conference. Hyatt Regency Montreal: IEEE, 2006: 1-5.

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