Ka频段卫星移动信道中信号传输体制设计与仿真  

Design and Simulation of Signal Transmission Scheme over Ka-band Mobile Satellite Channel

作　　者：吴团锋[1] 杨喜根[1] 

机构地区：[1]解放军理工大学通信工程学院,江苏南京210007

出　　处：《系统仿真学报》2006年第7期1987-1990,1994,共5页Journal of System Simulation

摘　　要：设计并仿真了适合Ka频段卫星移动信道的信号传输体制,仿真结果为最终实现方案提供了可靠的数据。同时,针对所设计的Turbo编码和GMSK调制相结合的信号传输体制,提出了迭代信道估计算法,明显改善了系统的误码率BER性能。A signal transmission scheme was proposed, which is suitable for Ka-band mobile satellite channel, The numerical simulation results provide dependable data for final implementation, Meanwhile, an iterative channel estimation algorithm, which can improve bit error rate （BER） performance of proposed Turbo coded GMSK signal transmission scheme dramatically, was expressed,

关 键 词：Ka频段卫星移动信道 信号传输体制 Π/4-DQPSK GMSK TURBO码 迭代信道估计 

分 类 号：TN927.23[电子电信—通信与信息系统]