Average of peak-to-average ratio (PAR) of IS95 and CDMA2000 systems - Single carrier

被引：7
|
作者：
Lau, VKN [1 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2001年 / 5卷 / 04期
关键词：
D O I：
10.1109/4234.917100
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Peak-to-average ratio (PAR) of a signal is an important parameter. It determines the input backoff factor of the amplifier to avoid clipping and spectral regrowth. In this letter, we analyze and compose the PAR of the downlink signal for IS95 and the CDMA2000 single-carrier systems. It is found that PAR of the transmitted signal depends on the walsh code assignment. Furthermore, we found that the PAR of CDMA2000 signal is always lower than the IS95 signal. Finally, PAR control by walsh code selection is proposed.
引用
收藏
页码：160 / 162
页数：3
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