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无线衰减信道中一种新的编码方式的应用
引用本文:刘雪飞,庞伟正,邹喻,刘小平. 无线衰减信道中一种新的编码方式的应用[J]. 应用科技, 2007, 34(8): 14-17
作者姓名:刘雪飞  庞伟正  邹喻  刘小平
作者单位:哈尔滨工程大学,信息与通信工程学院,黑龙江,哈尔滨,150001
摘    要:针对用户或移动台高速移动时,信道性能很难达到预想的性能及稳定性问题,提出了一种新的在无线衰减信道下的无比率编码的编码模式.仿真验证表明,当在发射机发射过程中信道状态信息不可用时,此编码方式则显示出了很好的稳定性和可靠性.实践证明,此无比率编码方式对克服传输损耗和提高码率方面都很有效.

关 键 词:无线衰减信道  无比率编码  定比率编码  多入多出系统  Fountain编码
文章编号:1009-671X(2007)08-0014-04
修稿时间:2006-12-29

The application of a new coding scheme in wireless fading channels
LIU Xue-fei,PANG Wei-zheng,ZOU Yu,LIU Xiao-ping. The application of a new coding scheme in wireless fading channels[J]. Applied Science and Technology, 2007, 34(8): 14-17
Authors:LIU Xue-fei  PANG Wei-zheng  ZOU Yu  LIU Xiao-ping
Affiliation:College of Information and Communications Engineering, Harbin Engineering Unversity, Harbin 150001, China
Abstract:Wireless communication has seen the tremendous progress in technology in the last few years. When the users are moving at high speeds, the channel behaviors cannot reach the prescribed performance and stability. Here a new coding mode is proposed for wireless fading channels based on rateless coding. The simulation indicates that, when the state information of channels is not available, this coding mode displays good stability and reliability. This paper concludes that the rateless coding mode is effective in withstanding the transmission loss and in raising the coding rate.
Keywords:wireless fading channels   rateless code    fixed-rate code    MIMO    fountain code
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