Multi-antenna scheme for high capacity transmission in the digital audio broadcasting

被引：11
|
作者：
Baek, MS [1 ]
Kook, HJ [1 ]
Kim, MJ [1 ]
You, YH [1 ]
Song, HK [1 ]
机构：
[1] Sejong Univ, uT Commun Res Inst, Seoul, South Korea
来源：
IEEE TRANSACTIONS ON BROADCASTING | 2005年 / 51卷 / 04期
关键词：
channel estimation; channel estimation error; DAB; effective SIR; MIMO; MIMO-DAB; OFDM;
D O I：
10.1109/TBC.2005.858426
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, we apply multi-antenna scheme to DAB system for high-rate transmission. In the MIMO-DAB system with a number of transmitting and receiving antennas increases the transmission rate efficiently with low multiplication operations. For channel estimation in the MIMO-DAB system, we propose a new PRS structure and evaluate the channel estimation performance. The proposed PRS structure can estimate multi-channel information based on the semi-blind processing. The performance of proposed PRS is compared with that of conventional training sequence employing Tarokh's transmission matrix. And also we investigate the performance limitation due to the imperfect channel estimation in a MIMO-DAB receiver. It has been shown that the MIMO-DAB system with multi-antennas can achieve the high-rate transmission for multimedia broadcasting and the performance of MIMO-DAB system is impaired by imperfect channel information.
引用
收藏
页码：551 / 559
页数：9
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