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子载波间隔对广义多载波水声扩频性能的影响

DOI: 10.3969/j.issn.1006-7043. 201106043

Keywords: 广义多载波扩频, 水声多途信道, 最优子载波间隔, 多载波技术, 扩频技术

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Abstract:

针对广义多载波扩频(MC-DS)系统的子载波间隔变化对系统性能的影响,通过将多载波技术和扩频技术相结合的方法,来提高扩频的通信速率和多载波通信的稳健性.广义MC-DS系统可以通过调整子载波间隔,改变扩频增益和频谱交叠程度来应对复杂的水声信道.讨论了在水声多途信道和高斯白噪声信道下该系统随子载波间隔变化的误码性能,根据误码率曲线可以选出使误码率达到最小的最优子载波间隔,从而为系统的最优设计提供了依据.

References

[1]  艾宇慧.M序列扩频谱水声通信研究[J].哈尔滨工程大学学报, 2000, 21(2):15-18. AI Yuhui. The study of M sequence spread acoustic communication[J]. Journal of Harbin Engineering University, 2000, 21(2):15-18.
[2]  李霞,姜卫东,方世良,等.水声通信中的多载波CDMA[J].声学技术, 2005,24(4):202-205. LI Xia, JIANG Weidong, FANG Shiliang, et al. Multi-carrier CDMA in underwater acoustic communication[J].Technical Acoustics, 2005, 24(4): 202-205.
[3]  徐小卡.基于OFDM的浅海高速水声通信关键技术研究[D]. 哈尔滨:哈尔滨工程大学,2009:30-31. XU Xiaoka. The study of the key high speed acoustic communication technology in the shadow sea based on OFDM[D]. Harbin: Harbin Engineering University, 2009:30-31.
[4]  张海滨.正交频分复用的基本原理与关键技术[M].北京:国防工业出版社, 2006:6-7. ZHANG Haibin. Basic Principe and key technology of OFDM[M].Beijing: National Defense Industry Press, 2006:6-7.
[5]  HENRIK S, CHRISTIAN L. Theory and applications of OFDM and CDMA-wideband wireless communications [M].(s.l.): John Wiley & Sons Ltd, 2005:145-166.
[6]  惠俊英.水下声信道[M].北京:国防工业出版社, 1992:56-65. HUI Junying. Underwater acoustic channel[M]. Beijing: National Defense Industry Press, 1992: 56-65.
[7]  YANG L L,HANZO L.Performance of generalized multicarrier DS-CDMA over Nakagami-m fading channels[C]//IEEE Trans Commun, 2000: 956-966.
[8]  张有光, 潘鹏, 孙玉泉. 多载波通信[M].北京:电子工业出版社, 2010:97-100
[9]  PURSLEY M B.Performance evaluation for phase-coded spread-spectrum multiple-access communications ?Part I:System analysis[J]. IEEE Transactions on Communications, 1977,25(8): 795-799.
[10]  YANG L L, HANZO L. Overlapping M-ary frequency shift keying spread-spectrum multiple-access system using random signature sequences[J]. IEEE Trans. Veh. Technol., 1999,48(16): 1984-1995.
[11]  PROAKIS J G. Digital communications[M]. 3rd ed. New York: McGraw-Hill,1995.
[12]  范敏毅.水下声信道的仿真与应用研究[D].哈尔滨:哈尔滨工程大学, 2000:26-46. FAN Minyi. A study on simulation & application of underwater sound channel[D]. Harbin: Harbin Engineering University, 2000: 26-46.

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