Optimization and efficient detection of primary synchronization signal for multi-beam satellite-LTE systems

被引：1
|
作者：
Wang, Haiming [1 ]
Deng, Zhuming [2 ]
Gao, Xiqi [2 ]
You, Xiaohu [2 ]
机构：
[1] Southeast Univ, State Key Lab Millimeter Waves, Sipailou 2, Nanjing 210096, Jiangsu, Peoples R China
[2] Southeast Univ, Natl Lab Mobile Commun, Sipailou 2, Nanjing 210096, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING | 2016年 / 34卷 / 02期
关键词：
primary synchronization signal (PSS); satellite-LTE; generalized Zadoff-Chu sequence; transmit-timing adjustment; interference cancellation; CELL SEARCH;
D O I：
10.1002/sat.1102
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A new design of primary synchronization signal (PSS) sequences and an efficient detection algorithm for multi-beam satellite long-term evolution (LTE) systems are investigated in this paper. First, a transmit-timing adjustment method is proposed to reduce the large time difference of arrival of received signals from different satellites. Then, using the particular subcarrier mapping scheme of LTE, original Zadoff-Chu sequences are generalized to obtain more candidate sequences with good correlation properties. Later on, choosing an optimal subset from these candidate sequences, new PSS sequences for seamless global coverage multi-beam satellite-LTE systems are obtained. Subsequently, an efficient synchronization and low complexity PSS detection algorithm using interference cancellation method is presented. Finally, simulation results verify the effectiveness of the proposed scheme. Copyright (c) 2015 John Wiley & Sons, Ltd.
引用
收藏
页码：115 / 129
页数：15
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