摘要
论文首先介绍了高速调制解调器中正交调制器载波I/Q支路幅相失配的模型,然后在此模型上推导了TCM-8PSK信号误比特率性能公式,最后运用Matlab中的动态仿真工具Simulink仿真验证了推导结果。推导与仿真结果都表明,在载波I/Q幅相失配条件下TCM-8PSK信号的误比特率性能下降了。
The model of I/Q gain and phase mismatch in the high speed modem I/Q modulator was introduced in the paper, firstly.Then, the performance of bit errors ratio(BER) for TCM-8PSK based on the nonideal model was derived.Finally, the dynamic simulation tool-Simulink included in Matlab was used to simulate and verify the derivation result.The results of derivation and simulation are shown that the performance of BER for TCM-8PSK in the nonideal model was degraded hardly.
出处
《信息安全与通信保密》
2008年第11期46-48,共3页
Information Security and Communications Privacy
