Performance of CP-FREE ST-BC MIMO-OFDM System Under IQ-Imbalance in Multipath Channel
學年 99
學期 1
發表日期 2010-12-06
作品名稱 Performance of CP-FREE ST-BC MIMO-OFDM System Under IQ-Imbalance in Multipath Channel
作品名稱(其他語言)
著者 Chern, Shiunn-Jang; Huang, Hsu-Chun; Yang, Richard H.-H
作品所屬單位 淡江大學電機工程學系
出版者 N.Y.: IEEE (Institute of Electrical and Electronic Engineers)
會議名稱 The 2010 International Symposium on Intelligent Signal Processing and Communications Systems
會議地點 Chengdu, China
摘要 The CP-free MIMO-OFDM system is considered to be an alternative to improve the spectral efficiency of the CP-MIMO-OFDM system. In this paper, we investigate the performance of the CP-free ST-BC MIMO-OFDM system under the effects of non-linear distortion due to HPA in the transmitter, and IQ-imbalance in the receiver. We first show that with the ST-BC encoder the constraint of the CP-free MIMO-OFDM system can be removed and back to the basic requirement of MIMO system. After compensation of the IQ-imbalance in the receiver, an equalizer under the framework of generalized sidelobe canceller (GSC) is derived for interferences suppression, and the partially adaptive (PA) array scheme is applied for complexity reduction. Simulation results show that the proposed scheme can perform very close to that with the idea CP-based ST-BC MIMO-OFDM system, and outperforms the one without compensation.
關鍵字
語言 zh_TW
收錄於
會議性質 國際
校內研討會地點
研討會時間
通訊作者
國別 CHN
公開徵稿
出版型式
出處 The 2010 International Symposium on Intelligent Signal Processing and Communications Systems, pp. 125-128
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