Turbo receiver design with carrier-frequency offset estimation for LDPC-coded MIMO OFDM systems

被引：2
|
作者：
Salari, S. [1 ]
Ardebilipour, M. [1 ]
Ahmadian, M. [1 ]
Cances, J. P. [2 ]
Meghdadi, V. [2 ]
机构：
[1] KN Toosi Univ Technol, Fac Elect Engn, POB 16315-1355, Tehran, Iran
[2] Univ Limoges, ENSIL GESTE, F-87068 Limoges, France
来源：
9TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY: TOWARD NETWORK INNOVATION BEYOND EVOLUTION, VOLS 1-3 | 2007年
关键词：
carrier-frequency offset (CFO); low-density parity-check (LDPC) code; multiple-input multiple-output (MIMO); orthogonal frequency division multiplexing (OFDM); turbo receiver;
D O I：
10.1109/ICACT.2007.358744
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper proposes an iterative maximum a posteriori probability (MAP) receiver for low-density parity-check (LDPC)-coded multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with the presence of carrier-frequency offset (CFO). The turbo receiver employs the expectation maximization (EM) algorithm so as to improve the performance of the approximated MAP detection, and applies a pilot-aided CFO estimator which can work well with the EM algorithm. Simulation results show the effectiveness of our turbo receiver design in combating CFO over unknown frequency selective fading channels.
引用
收藏
页码：1911 / +
页数：2
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