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无线光通信中的空时编码研究进展(三)

柯熙政,  谌娟,  李征

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文章导航 > 红外与激光工程  > 2013 >  42(9): 2496-2504
柯熙政, 谌娟, 李征. 无线光通信中的空时编码研究进展(三)[J]. 红外与激光工程, 2013, 42(9): 2496-2504.
引用本文: 柯熙政, 谌娟, 李征. 无线光通信中的空时编码研究进展(三)[J]. 红外与激光工程, 2013, 42(9): 2496-2504.
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Ke Xizheng, Chen Juan, Li Zheng. Research progress of space-time code in wireless optical communications (Ⅲ)[J]. Infrared and Laser Engineering, 2013, 42(9): 2496-2504.
Citation: Ke Xizheng, Chen Juan, Li Zheng. Research progress of space-time code in wireless optical communications (Ⅲ)[J]. Infrared and Laser Engineering, 2013, 42(9): 2496-2504.
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无线光通信中的空时编码研究进展(三)

  • 1.

    西安理工大学 自动化与信息工程学院,陕西 西安 710048

基金项目: 

国家自然科学基金（60977054，61377080）;陕西省“13115”科技统筹计划（2011KTCQ01-31）; 陕西省教育厅产业化培育基金（2010JC17）;西安市科技成果转换基金（CX12165）; 陕西省自然科学基础研究计划（2013JQ8011）;陕西省教育厅科研计划（2013JK1104）

详细信息
    作者简介:

    柯熙政（1962-），男，教授，主要从事无线激光通信方面的研究。Email：xzke@263.net

  • 中图分类号: TN929.12

Research progress of space-time code in wireless optical communications (Ⅲ)

  • 1.

    Automation and Information Engineering,Xi'an University of Technology,Xi'an 710048,China

  • 摘要: 空时编码利用多天线阵列提供的并行信道传输信息，可以在保证通信质量的前提下进一步提高信息传输速率。介绍了笔者在正交空时码、空时网格码、酉空时码、差分空时码、混合空时码等方面的工作。采用类脉冲位置调制定义了负数、共轭、求补等运算，将编码矩阵转化为一个用脉冲位置表示的实数矩阵。分析了不同发射天线/接收天线数目、大气湍流强度与系统误码率之间的关系。讨论了差分空时码、酉空时码在不同大气湍流条件下的误码率特性；将分层空时码和空时分组码相结合，对复用增益和分集增益进行合理的折中，提出了一种适合于IM/DD式光通信的混合空时编码方案。
    Abstract: Space-time coding transmission information by parallel channels of the multi-antenna array can further improving transmission rate while guarantee the quality of communication. The authors' work at orthogonal space-time block code, space-time trellis code, unitary space-time code, differential space-time code, hybrid space-time code and relevant aspects was introduced, by adopting various pulse position modulations defined negative, conjugate and complement operation, transform the coding matrix into real matrix expressed by pulse position. The relationship between system error rate and transmitting antenna/receiving antenna number, atmospheric turbulence intensity was analyzed. The error rate characteristics of differential space-time code and unitary space-time code under different atmospheric turbulence were discussed. Combination of layered space-time code and space-time block code, reasonable compromise the multiplexing gain and diversity gain, a hybrid space-time coding scheme suitable for IM/DD type optical communication was put forward.
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出版历程
  • 收稿日期:  2013-01-22
  • 修回日期:  2013-02-27
  • 刊出日期:  2013-09-25

无线光通信中的空时编码研究进展(三)

  • 1. 西安理工大学 自动化与信息工程学院,陕西 西安 710048
    • 作者简介:

    柯熙政（1962-），男，教授，主要从事无线激光通信方面的研究。Email：xzke@263.net

  • 收稿日期: 2013-01-22
  • 修回日期: 2013-02-27
  • 刊出日期: 2013-09-25
基金项目:

国家自然科学基金（60977054，61377080）;陕西省“13115”科技统筹计划（2011KTCQ01-31）; 陕西省教育厅产业化培育基金（2010JC17）;西安市科技成果转换基金（CX12165）; 陕西省自然科学基础研究计划（2013JQ8011）;陕西省教育厅科研计划（2013JK1104）

  • 中图分类号: TN929.12

摘要: 空时编码利用多天线阵列提供的并行信道传输信息，可以在保证通信质量的前提下进一步提高信息传输速率。介绍了笔者在正交空时码、空时网格码、酉空时码、差分空时码、混合空时码等方面的工作。采用类脉冲位置调制定义了负数、共轭、求补等运算，将编码矩阵转化为一个用脉冲位置表示的实数矩阵。分析了不同发射天线/接收天线数目、大气湍流强度与系统误码率之间的关系。讨论了差分空时码、酉空时码在不同大气湍流条件下的误码率特性；将分层空时码和空时分组码相结合，对复用增益和分集增益进行合理的折中，提出了一种适合于IM/DD式光通信的混合空时编码方案。

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