LDPC-CPM Scheme and Its Iterative Receiving for MIMO System - International Journal of Communications, Network and System Sciences

IJCNS > Vol.10 No.5, May 2017

LDPC-CPM Scheme and Its Iterative Receiving for MIMO System ()

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DOI: 10.4236/ijcns.2017.105B015 997 Downloads 1,671 Views

Author(s)

Rui Xue¹, Xue Lv¹, Yang Cao²

Affiliation(s)

¹College of Information and Communication Engineering, Harbin Engineering University, Harbin, China.
²Tianjin Key Laboratory of Intelligent Information Processing in Remote Sensing, Tianjin, China.

ABSTRACT

One of the advantages of Multiple-Input Multiple-Output (MIMO) techniques is that they can provide link throughput, but the reliability of them remains to be improved. In order to improve the performance of bit error, based on the decomposed model of continuous phase modulation (CPM), combined with LDPC code and random interweaver, a scheme of joint coded modulation is introduced. In this paper, the model of LDPC-CPM iterative MIMO system is established firstly, then scheme of receiver by iterative detection realized and the decoding is proposed, finally the effect of main parameters on the performance of the system is studied, which can provide the reference basis for practical application. The research results show that the proposed scheme can improve channel capacity and BER performance in the background of extremely low SNR effectively, and give attention to both high-speed transmission and reliable transmission.

KEYWORDS

Communication Technology, Continuous Phase Modulation, Multiple-Input Multiple-Output (MIMO), Iterative Detection and Decoding

Share and Cite:

Xue, R. , Lv, X. and Cao, Y. (2017) LDPC-CPM Scheme and Its Iterative Receiving for MIMO System. International Journal of Communications, Network and System Sciences, 10, 154-162. doi: 10.4236/ijcns.2017.105B015.

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