有頻偏的OFDM信號(hào)的抗干擾迭代式接收機(jī)
An Iterative Receiver for OFDM Signal with Frequency Offset and Cochannel Interference
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摘要: 針對(duì)受到共信道干擾的有頻率偏移的OFDM信號(hào)，該文提出了一種接收機(jī)，其基本思想是先做干擾抑制，再做頻偏估計(jì)。仿真實(shí)驗(yàn)證實(shí)了該文提出的接收機(jī)具有良好的性能。
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關(guān)鍵詞:
- 共信道干擾; 頻率偏移; OFDM; 波束形成; 迭代處理
Abstract: In this paper, a receiver is proposed for the OFDM signal with CoChannel Interference (CCI) and frequency offset. The basic idea is to perform interference suppression before frequency offset estimate. Computer simulations verify the effectiveness of the proposed receiver. -
Deng Juinn-Horng, Lee Ta-Sung. An iterative maximum SINR receiver for multicarrier CDMA systems over a multipath fading channel with frequency offset[J].IEEE Trans. on Wireless Communications.2003, 2(3):560-569[2]Moose H. A technique for orthogonal frequency division multiplexing frequency offset correction[J].IEEE Trans. on Communications.1994, 42(10):2908-2914[3]Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM[J].IEEE Trans. on Communications.1997, 45(12):1613-1621[4]Kim Y H, Song L, Yoon S, Park S R. An efficient frequency offset estimator for OFDM systems and its performance characteristics IEEE Trans[J].on Vehicular Technology.2001, 50(5):1307-1312[5]Li Junqiang, Letaief K B, Cao Zhigang. Co-channel interference cancellation for space-time coded OFDM systems[J].IEEE Trans. on Wireless Communications.2003, 2(1):41-49 -
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