Channel estimation for LTE uplink in high Doppler spread

被引：26
|
作者：
Karakaya, Bahattin [1 ]
Arslan, Hueseyin [2 ]
Cirpan, Hakan Ali [1 ]
机构：
[1] Istanbul Univ, Dept Elect Engn, TR-34320 Istanbul, Turkey
[2] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA
来源：
WCNC 2008: IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-7 | 2008年
关键词：
D O I：
10.1109/WCNC.2008.203
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Long Term Evolution (LTE) systems are expected to use Single Carrier Frequency Division Multiple Access (SC FDMA) for the uplink. Being very similar to the OFDMA technology, SC FDMA is sensitive to frequency offsets, which leads to inter carrier interference (ICI). In this paper, we propose an interpolation algorithm based on adaptive order polynomial fitting for LTE uplink channel estimation to mitigate ICI in high Doppler spread. Simulation results show that the proposed method has better performance compared to the conventional schemes.
引用
收藏
页码：1126 / +
页数：3
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