Pilot embedding for joint channel estimation and data detection in MIMO communication systems

被引：63
|
作者：
Zhu, HD [1 ]
Farhang-Boroujeny, B [1 ]
Schlegel, C [1 ]
机构：
[1] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2003年 / 7卷 / 01期
关键词：
channel estimation; MIMO channels; multiple antenna systems; turbo decoding;
D O I：
10.1109/LCOMM.2002.807434
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A novel pilot-aided joint channel estimation and data detection method for MIMO communication systems is proposed. Unlike, conventional methods where pilots are time-multiplexed with data symbols, a pilot-embedding method where low-level pilots are transmitted concurrently with the data is used to obtain an initial estimate of the channel such that a turbo decoding process can be started. The soft information obtained from the turbo decoder is subsequently used to improve channel estimates.
引用
收藏
页码：30 / 32
页数：3
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