Power and bandwidth efficient serially concatenated CPM with iterative decoding

被引：0
|
作者：
Moqvist, P [1 ]
Aulin, T [1 ]
机构：
[1] Chalmers Univ Technol, Dept Comp Eng Telecomm Theory, SE-41296 Gothenburg, Sweden
来源：
GLOBECOM '00: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1- 3 | 2000年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Serially concatenated continuous phase modulation (SCCPM) with iterative decoding is analyzed and simulated. Earlier results on outer rate 1/2 convolutional codes combined with inner binary and quaternary CPM systems are extended to rate 2/3 and 3/4 codes with low-complexity octal and hexadecimal CPM systems, having the 2RC and 3RC frequency pulses. Analysis and simulations show that - among the evaluated systems - the octal 2RC systems provide the highest power/bandwidth efficiency. As an example, rate 2/3-coded octal 2RC with modulation index 1/4 provides a 5.7 dB gain over uncoded minimum shift keying at bit error rate 10(-3) and input delay 4096 bits, without any bandwidth expansion.
引用
收藏
页码：790 / 794
页数：5
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