An adaptive interleaving scheme for MIMO-OFDM systems

被引：1
|
作者：
Hu, FY [1 ]
Wang, SX [1 ]
Sun, XY [1 ]
机构：
[1] Jilin Univ Technol, Inst Commun Engn, Changchun 130025, Peoples R China
来源：
PROCEEDINGS OF THE IEEE 6TH CIRCUITS AND SYSTEMS SYMPOSIUM ON EMERGING TECHNOLOGIES: FRONTIERS OF MOBILE AND WIRELESS COMMUNICATION, VOLS 1 AND 2 | 2004年
关键词：
MIMO systems; OFDM; interleaving technique; CSI;
D O I：
10.1109/CASSET.2004.1321929
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：
In this paper, an adaptive interleaving scheme for multiple-input and multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems is proposed. The scheme could better exploit the instantaneous channel variation by rearranging the transmitted symbols according to the quasiinstantaneous channel SNR of the OFDM frame. The purpose is to break up a long burst channel error so that overall bit error probability is reduced. Extensive simulations show that significant SNR can be obtained with the proposed scheme and 14 the MIMO-OFDM case has a performance improvement over the single antenna case. Compared with block interleaving, for 2Tx2Rx case at a BER of 10(-2), adaptive interleaving offers a 5dB improvement.
引用
收藏
页码：477 / 480
页数：4
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