Pilot Structure Design to Increase Wireless Channel Capacity for High-Speed Railway

被引：0

作者：

Choi, Yongyun ^{[1
]}

Lee, Jae Hong ^{[1
]}

机构：

[1] Seoul Natl Univ, INMC, Dept Elect & Comp Engn, Seoul 151742, South Korea

来源：

2017 EUROPEAN CONFERENCE ON NETWORKS AND COMMUNICATIONS (EUCNC) | 2017年

基金：

新加坡国家研究基金会;

关键词：

Orthogonal frequency division multiplexing; high-speed railway; channel estimation; pilot structure; ergodic capacity; STATE INFORMATION; OFDM SYSTEMS; EFFICIENCY;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we design a pilot structure in an orthogonal frequency division multiplexing (OFDM) system for high-speed railway (HSR). Ergodic capacity is derived and its lower bound is obtained in closed form. Two schemes of pilot placement in time and frequency domains are proposed which maximizes the lower bound of the ergodic capacity. The ergodic capacities of the two proposed schemes are obtained by computer simulation and compared. It is shown that the proposed schemes achieve higher ergodic capacity than the random pilot placement scheme.

引用

页数：5

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