Proposal of Channel Estimation Scheme for Practical V-BLAST MIMO-OFDM System

被引：0
|
作者：
Inkamchua, Nakarin [1 ]
Boonsrimuang, Pisit [1 ]
Mata, Tanairat [2 ]
Sopin, Anan [2 ]
机构：
[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Bangkok, Thailand
[2] Rajamangala Univ Technol Krungthep, Fac Engn, Bangkok, Thailand
来源：
2017 9TH INTERNATIONAL CONFERENCE ON INFORMATION TECHNOLOGY AND ELECTRICAL ENGINEERING (ICITEE) | 2017年
关键词：
channel estimation; MlMO; OFDM; zero padding; sampling;
D O I：
暂无
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 wireless communication, multiple input and multiple output technique is often applied with orthogonal frequency division multiplexing (MIMO-OFDM) because of its many advantages such as spectral efficiency, link reliability, diversity gain and so on. In the practical MIMO-OFDM system, it has a signal aliasing problem due to the mismatch of sampling from adding zero padding at both front and rear of data transmission in each OFDM symbol. To solve this problem, the channel estimation by using the new comb-type pilot symbol arrangement scheme is proposed for the practical MIMO-OFDM system. From the computer results, it can be shown that the proposed channel estimation scheme can perform higher system performances than the conventional scheme in the practical V-BLAST MIMO-OFDM system.
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页数：5
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