An adaptive CMMSE receiver for space-time block-coded CDMA systems in frequency-selective fading channels

作     者：Jung, YH Hong, SC Kim, SR Lee, YH 

作者机构：Samsung Adv Inst Technol i Networking Lab Kyonggi Do 449712 South Korea Samsung Elect Kyonggi Do 443742 South Korea ETRI Mobile Commun Lab Taejon 305350 South Korea Korea Adv Inst Sci & Technol Dept Elect Engn & Comp Sci Taejon 305701 South Korea 

出 版 物：《IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY》 (IEEE Trans. Veh. Technol.)

年 卷 期：2004年第53卷第3期

页      面：587-600页

核心收录：

学科分类：0810[工学-信息与通信工程] 0808[工学-电气工程] 08[工学] 0823[工学-交通运输工程] 

基　　金：University Information Technology Research Center Project 

主　　题：adaptive interference mitigation code division multiple access (CDMA) constrained minimum mean square error (CMMSE) multiple-input-multiple-output (MIMO) space-time block coding 

摘      要：A technique that can suppress multiple-access interference (MAI) in space-time block-coded (STBC) multiple-input-multiple-output (MIMO) code-division multiple-access (CDMA) systems is developed. The proposed scheme, called a constrained minimum mean square error (CMMSE) receiver, is an extension of the CMMSE receiver for a single-input-single-output system to MIMO systems. It is shown that the complexity of the proposed CMMSE receiver is almost independent of the number of transmitter antennas. The advantage of the proposed receiver over the existing receivers for STBC CDMA systems is demonstrated by comparing the closed-form expressions of the signal-to-interference plus noise ratio and simulated bit error rates. The results indicate that the proposed CMMSE receiver can provide a significant performance improvement over the conventional receivers and that the gain achieved by suppressing the MAI can be larger than that from increasing the transmitter or receiver diversity.