Impact of Transceiver I/Q Imbalance on Transmit Diversity of Beamforming OFDM Systems

被引：27
|
作者：
Maham, Behrouz [1 ]
Tirkkonen, Olav [2 ,3 ]
Hjorungnes, Are [4 ]
机构：
[1] Univ Tehran, Sch Elect & Comp Engn, Coll Engn, Tehran 14395515, Iran
[2] Nokia Res Ctr, Helsinki, Finland
[3] Aalto Univ, Dept Commun & Networking, Helsinki, Finland
[4] Univ Oslo, UNIK Univ Grad Ctr, N-0316 Oslo, Norway
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2012年 / 60卷 / 03期
关键词：
OFDM; I/Q imbalance; performance analysis; beamforming; asymptotic analysis; PERFORMANCE ANALYSIS; RECEIVE DIVERSITY; COMPENSATION;
D O I：
10.1109/TCOMM.2012.12.110012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
One of the serious imperfections affecting OFDM systems is transceiver I/Q imbalance. In this letter, closed-form expressions for the outage probability of beamforming OFDM systems with transmit and receive I/Q imbalances are derived. Moreover, the asymptotic behavior and diversity order of the system is investigated. The analytical results are confirmed by simulations.
引用
收藏
页码：643 / 648
页数：6
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