符号交织SCCPM的设计与性能分析

doi:10.3969/j.issn.1001-2400.2012.01.005

J4 ›› 2012, Vol. 39 ›› Issue (1): 23-27+61.doi: 10.3969/j.issn.1001-2400.2012.01.005

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Design and performance analysis of symbol interleaved serially concatenated continuous phase modulation

SUN Jinhua^1,3;WU Xiaojun²;XIANG Xi¹

(1. State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an 710071， China;
2. School of Information Engineering, Chang'an Univ., Xi'an 710064， China;
3. Sci. and Tech. on Info. Transmission and Dissemination in Commun. Networks Lab., Shijiazhuang 050081， China)

Received:2010-11-28 Online:2012-02-20 Published:2012-04-06
Contact: SUN Jinhua E-mail:jhsun@xidian.edu.cn

Abstract

Abstract:

Serially concatenated continuous phase modulation (SCCPM) is a kind of constant envelope concatenated coding and modulation with high power efficiency and bandwidth efficiency. SCCPM with symbol-wise interleaving is studied in this paper. Compared with the traditional bit-wise interleaving scheme, SCCPM with symbol-wise interleaving has a better performance in convergence threshold but a higher error floor. The influence of system parameters such as outer code, iteration number, interleaver length, baseband shaping pulse on the system performance is given through theoretical analysis and simulation. Finally this paper presents some design rules for SCCPM with symbol-wise interleaving.

Key words: continuous phase modulation, concatenated code, symbol-wise interleaving, APP decoding

CLC Number:

TN911.3

SUN Jinhua;WU Xiaojun;XIANG Xi. Design and performance analysis of symbol interleaved serially concatenated continuous phase modulation[J].J4, 2012, 39(1): 23-27+61.

References

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[1]	SUN Jin-hua;WU Xiao-jun. Multi-branch fractional multi-bit differential detection for continuous phase modulation [J]. J4, 2010, 37(3): 423-428.
[2]	SUN Jin-hua;LI Zi-yi. Stopping algorithm for iterative decoding based on the average extrinsic information exchange for SCCPM [J]. J4, 2008, 35(4): 716-720.

Design and performance analysis of symbol interleaved serially concatenated continuous phase modulation

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