期刊文献+
共找到3篇文章
< 1 >
每页显示 20 50 100
在AWGN信道下星形MQAM的BER性能的研究 被引量:7
1
作者 胡宏林 薛磊 王可人 《无线通信技术》 2001年第2期19-22,共4页
本文采用一种新型的信号空间轴线分析方法 ,根据星型MQAM信号星座在信号空间中的排列方式 ,将其看作为ASK与PSK的综合 ,从而得到了加性高斯白噪声 (AWGN)信道下星型MQAM的误比特率 (BER)性能的通用近似公式 。
关键词 星形mqam 误比特率 通信 AWGN信道
下载PDF
Optimization of MQAM Modulation Schemes in Mobile Communications(Ⅰ)——Analysis of MQAM BER Performance in AGWN Channel Based on Signal Space 被引量:1
2
作者 LI Jian, ZHU Xu ming, YI Qing ming, ZHANG Qi zhi, HUANG Yuan (Dept. of Electron. Eng., Jinan University, Guangzhou 510632, CHN ) 《Semiconductor Photonics and Technology》 CAS 2002年第1期56-59,64,共5页
Based on signal space concepts, a transmission error code performance for MPSK, square MQAM and star MQAM modulation schemes on the AGWN channel is analyzed. The corresponding BER formulas and computer aided numeric r... Based on signal space concepts, a transmission error code performance for MPSK, square MQAM and star MQAM modulation schemes on the AGWN channel is analyzed. The corresponding BER formulas and computer aided numeric results are also given. Therefore it provides a theoretical basis for choosing MQAM modulation schemes in mobile communications. 展开更多
关键词 AGWN channel Signal space concept mqam Square constellation Star constellation
下载PDF
Optimization of MQAM Modulation Schemes in Mobile Communications(Ⅱ)——Analysis of MQAM BER Performance in Rayleigh Channel
3
作者 ZHANGQi-zhi ZHUXu-ming 《Semiconductor Photonics and Technology》 CAS 2002年第1期60-64,共5页
the transmission error coed performance of square MQAM and starMQAM modulation schemes for the AGWN Rayleigh fading channel isanalyzed. The corresponding EBR formulas and computer aided numericresults are given. There... the transmission error coed performance of square MQAM and starMQAM modulation schemes for the AGWN Rayleigh fading channel isanalyzed. The corresponding EBR formulas and computer aided numericresults are given. Therefore it provides a Theoretical basis forchoosing MQAM modulation schemes in mobile communications. 展开更多
关键词 mqam square constellation star constellation rayleigh fading channel
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部