LDPC-CPM Scheme and Its Iterative Receiving for MIMO System
- 1 College of Information and Communication Engineering, Harbin Engineering University, Harbin, China
- 2 College of Information and Communication Engineering, Harbin Engineering University, Harbin, China
- 3 Tianjin 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.
- Fox, N., Wampler, J., Lai, H.Q. and Morris, D. (2010) Communication Advantages with Mobile Network Multiple-Input Mul-tiple-Output (MIMO) (MNM) Technology. Proc. Military Communications Conf. (MILCOM 2010), San Diego.
- Soltani, M.D., Aghaeinia, H. and Alimadadi, M. (2014) A Low Complexity Suboptimal Energy-Based Detection Method for Siso/Mimo Channels. Wireless Personal Communications, 7, 2857-2869. https://doi.org/10.1007/s11277-014-1672-8
- Lai, H.Q., et al. (2010) Mea-surements of Multiple-Input Multiple-Output (MIMO) Performance under Army Operational Conditions. IEEE Military Communi-cations Conference, 2119-2124. https://doi.org/10.1109/milcom.2010.5680479
- Suthisopapan, P. and Kasai, K. (2013) Achieving Near Capacity of Non-Binary LDPC Coded Large MIMO Systems with a Novel Ultra Low-Complexity Soft- Output Detector. IEEE Transactions on Wireless Communications, 12, 5185-5199. https://doi.org/10.1109/TWC.2013.090513.122056
- Raghuwansi, M. and Sharma, A. (2015) Designing of Efficient LDPC Based MIMO-OFDM Using 4-PSK Scheme. IEEE International Conference on Computer, Communication and Control. https://doi.org/10.1109/ic4.2015.7375653
- Uchoa, A.G.D., De Lamare, R.C., Healy, C., et al. (2016) Iterative Detection and Decoding Algorithms using LDPC Codes for MIMO Systems in Block-Fading Channels. IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/TVT.2015.2432099
- Narayanan, K.R. and Stuber, G.L. (2001) Performance of Trellis-Coded CPM with Iterative Demodulation and Decoding. IEEE Trans. on communications, 4, 49. https://doi.org/10.1109/26.917774
- Zhang, X. and Fitz, M.P. (2003) Symmetric Information Rate for Continuous Phase Channel and BLAST Architecture with CPM MIMO System. IEEE International Conference on Communications.
- Zhao, W. and Gian-nakis, G.B. (2005) Reduced Complexity Receivers for Layered Space-Time CPM. IEEE Trans. Wireless Commune., 4, 574-582 https://doi.org/10.1109/TWC.2004.843051
- Wert, O. and Zolzer, U. (2007) A Layered MIMO CPM System with Incoherent Demodulation. IEEE International Conference on Signal Processing and Communications (ICSPC2007), Dubai, November 2007. https://doi.org/10.1109/ICSPC.2007.4728346
- Rimoldi, B.E. (1988) A Decomposition Approach to CPM. IEEE Trans on Inform Theory, 34, 260-270. https://doi.org/10.1109/18.2634