搜索

x

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

基于多径分集的啁啾扩频正交频分复用水声通信系统

王逸林 马世龙 梁国龙 范展

引用本文:
Citation:

基于多径分集的啁啾扩频正交频分复用水声通信系统

王逸林, 马世龙, 梁国龙, 范展

Chirp spread spectrum of orthogonal frequency division multiplexing underwater acoustic communication system based on multi-path diversity receive

Wang Yi-Lin, Ma Shi-Long, Liang Guo-Long, Fan Zhan
PDF
导出引用
  • 针对传统正交频分复用系统在具有复杂多途和深度频率选择性衰落特点的水声信道中性能下降的问题,提出了啁啾扩频正交频分复用水声通信方案. 该方案对原信息码扩频,子载波变为相同调频斜率、不同中心频率、频带相互重叠的正交啁啾信号. 经过水声相干多途信道后在接收端解扩,使多个途径信号在频域上拓展,多径信号彼此分离. 结合虚拟时间反转镜技术,聚焦多途信道能量,完成信道多径分集接收,不仅可以抑制频率选择性衰落的影响,还充分利用信道多径分集增益提高系统性能. 通过仿真研究和湖试验证,表明该方案具有较好的有效性和可靠性.
    Aiming at the problem of traditional orthogonal frequency division multiplexing (OFDM) communication system performance degradation when the channel is subjected to complex multi-path and frequency-selective deeply fading, a chirp spread spectrum (CSS) of OFDM underwater acoustic communication system called CSS-OFDM is proposed in this paper. The CSS-OFDM system spreads the spectrum of traditional OFDM signals, whose sub-carriers are modulated into the same chirp rate, different center frequency orthogonal chirp signals with overlapped bandwidth. Dispreading after underwater acoustic coherent multi-path channel, at the receiving end, the multi-path signals will be expanded from each other in the frequency domain. Applying virtual time reversal mirror technology, the energies of the multi-path signals are focused to complete the multi-path channel diversity receiving. The system performance is improved not only by suppressing the frequency selective fading, but also taking full advantage of multi-path energy of the channel. The effectiveness and reliability of this system are verified through a number of simulations and lake trials.
    • 基金项目: 国家自然科学基金(批准号:51279043)和水声技术重点实验室基金(批准号:9140C200802110C2001)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51279043) and the Science and Technology on Underwater Acoustic Laboratory Foundation, China (Grant No. 9140C200802110C2001).
    [1]

    Kilfoyle D B, Baggeroer A B 2000 IEEE J. Ocean Eng. 25 4

    [2]

    Stojanovic M, Preisig J 2009 IEEE Commun. Mag. 47 84

    [3]

    Lei J, Wu L N 2006 J. Electron. Inform. Technol. 28 1400 (in Chinese) [雷俊, 吴乐南 2006 电子与信息学报 28 1400]

    [4]

    Jamshidi A 2011 IET Commun. 5 456

    [5]

    He C B, Huang J G, Han J, Zhang Q F 2009 Acta Phys. Sin. 58 8379 (in Chinese) [何成兵, 黄建国, 韩晶, 张群飞 2009 物理学报 58 8379]

    [6]

    Yin J W, Hui J Y, Wang Y L, Hui J 2007 Acta Phys. Sin. 56 5915 (in Chinese) [殷敬伟, 惠俊英, 王逸林, 惠娟 2007 物理学报 56 5915]

    [7]

    Yu Y, Zhou F, Qiao G 2012 Acta Phys. Sin. 61 234301 (in Chinese) [于洋, 周锋, 乔钢 2012 物理学报 61 234301]

    [8]

    Hara S, Prasad R 1997 IEEE Commun. Mag. 35 126

    [9]

    Yu Y, Zhou F, Qiao G 2013 Acta Phys. Sin. 62 064302 (in Chinese) [于洋, 周锋, 乔钢 2013 物理学报 62 064302]

    [10]

    Zhou F, Yin Y L, Qiao G 2012 J. Harbin Eng. Univ. 33 567 (in Chinese) [周锋, 尹艳玲, 乔钢 2012 哈尔滨工程大学学报 33 567]

    [11]

    Yin Y L, Zhou F, Qiao G, Liu S Z 2013 Acta Phys. Sin. 62 224302 (in Chinese) [尹艳玲, 周锋, 乔钢, 刘凇佐 2013 物理学报 62 224302]

    [12]

    Scholand T, Faber T, Seebens A, Lee J, Cho J, Cho Y, Lee H W, Jung P 2005 Electron. Lett. 41 13

    [13]

    Kuperman W A, Hodgkiss W S, Song H C, Akal T, Ferla C, Jackson D R 1998 J. Acoust. Soc. Am. 103 25

    [14]

    Yin J W, Hui J Y, Guo L X 2008 Acta Phys. Sin. 57 1753 (in Chinese) [殷敬伟, 惠俊英, 郭龙祥 2008 物理学报 57 1753]

    [15]

    Hursky P, Porter M B, Siderius M, McDonald V K 2006 J. Acoust. Soc. Am. 120 247

    [16]

    Song A, Badiey M, Song H C, Hodgkiss W S 2010 J. Acoust. Soc. Am. 128 555

  • [1]

    Kilfoyle D B, Baggeroer A B 2000 IEEE J. Ocean Eng. 25 4

    [2]

    Stojanovic M, Preisig J 2009 IEEE Commun. Mag. 47 84

    [3]

    Lei J, Wu L N 2006 J. Electron. Inform. Technol. 28 1400 (in Chinese) [雷俊, 吴乐南 2006 电子与信息学报 28 1400]

    [4]

    Jamshidi A 2011 IET Commun. 5 456

    [5]

    He C B, Huang J G, Han J, Zhang Q F 2009 Acta Phys. Sin. 58 8379 (in Chinese) [何成兵, 黄建国, 韩晶, 张群飞 2009 物理学报 58 8379]

    [6]

    Yin J W, Hui J Y, Wang Y L, Hui J 2007 Acta Phys. Sin. 56 5915 (in Chinese) [殷敬伟, 惠俊英, 王逸林, 惠娟 2007 物理学报 56 5915]

    [7]

    Yu Y, Zhou F, Qiao G 2012 Acta Phys. Sin. 61 234301 (in Chinese) [于洋, 周锋, 乔钢 2012 物理学报 61 234301]

    [8]

    Hara S, Prasad R 1997 IEEE Commun. Mag. 35 126

    [9]

    Yu Y, Zhou F, Qiao G 2013 Acta Phys. Sin. 62 064302 (in Chinese) [于洋, 周锋, 乔钢 2013 物理学报 62 064302]

    [10]

    Zhou F, Yin Y L, Qiao G 2012 J. Harbin Eng. Univ. 33 567 (in Chinese) [周锋, 尹艳玲, 乔钢 2012 哈尔滨工程大学学报 33 567]

    [11]

    Yin Y L, Zhou F, Qiao G, Liu S Z 2013 Acta Phys. Sin. 62 224302 (in Chinese) [尹艳玲, 周锋, 乔钢, 刘凇佐 2013 物理学报 62 224302]

    [12]

    Scholand T, Faber T, Seebens A, Lee J, Cho J, Cho Y, Lee H W, Jung P 2005 Electron. Lett. 41 13

    [13]

    Kuperman W A, Hodgkiss W S, Song H C, Akal T, Ferla C, Jackson D R 1998 J. Acoust. Soc. Am. 103 25

    [14]

    Yin J W, Hui J Y, Guo L X 2008 Acta Phys. Sin. 57 1753 (in Chinese) [殷敬伟, 惠俊英, 郭龙祥 2008 物理学报 57 1753]

    [15]

    Hursky P, Porter M B, Siderius M, McDonald V K 2006 J. Acoust. Soc. Am. 120 247

    [16]

    Song A, Badiey M, Song H C, Hodgkiss W S 2010 J. Acoust. Soc. Am. 128 555

计量
  • 文章访问数:  6143
  • PDF下载量:  938
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-07-08
  • 修回日期:  2013-11-16
  • 刊出日期:  2014-02-05

/

返回文章
返回