一种用于卫星通信的自适应编码调制信号接收方法OA北大核心CSTPCD
A Receiving Method for Adaptive Coding and Modulation Signal in Satellite Communication
针对常规接收方法接收自适应编码调制信号时存在的接收过程易中断、数据不连续等问题,提出了一种适用于卫星信道的自适应编码调制信号接收方法.该方法通过采用统一的解调结构实现对不同调制信号的连续跟踪;利用接收端保存的帧同步字调制波形副本与接收信号中的帧同步字波形的相关结果,对解调方式切换时载波相位跳变值进行估计和补偿,解决了帧同步的连续跟踪问题.与现有方法相比,该方法不需要导频信号,可节省系统开销.
For adaptive coding and modulation signal receiving,switching demodulation mode is apt to in-terrupt the signal reception and causes undesired data discontinuity using regular receiving methods. To mitigate the disadvantage,a new adaptive receiving method is presented. This method uses a unified de-modulation structure to realize the continuous track of various modulation signals. A correlation value of frame-synchronization-word( FSW) wave is measured…查看全部>>
张波
中国西南电子技术研究所,成都610036
信息技术与安全科学
卫星通信自适应传输连续接收载波跟踪帧同步
satellite communicationadaptive transmissioncontinuous receivingcarrier trackingframe synchronization
《电讯技术》 2017 (3)
296-299,4
国防"十二五"预研项目(51324050301)
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