Efficient Channel Estimation Using TCH Codes

被引：0
|
作者：
Lopes, Bruno [1 ]
Catarino, Silvia [1 ]
Cercas, Francisco [1 ,3 ]
Souto, Nuno [1 ,3 ]
Dinis, Rui [2 ,3 ]
机构：
[1] ISCTE IUL, Ave Forcas Armadas, Lisbon, Portugal
[2] FCT UNL, Monte De Caparica, Portugal
[3] Inst Telecomunicacoes, Ave Rovisco Pais 1, Lisbon, Portugal
来源：
2017 9TH INTERNATIONAL CONGRESS ON ULTRA MODERN TELECOMMUNICATIONS AND CONTROL SYSTEMS AND WORKSHOPS (ICUMT) | 2017年
关键词：
TCH codes; channel estimation; OFDM; data multiplexed pilots; implicit pilots; OFDM;
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 consider the use of TCH codes to perform channel estimation in an OFDM system, using either data multiplexed pilots or superimposed pilots over the data. TCH codes possess several properties that allow us to use them efficiently in various applications which includes channel estimation, as we address in this paper. With this objective, several performance results were obtained through simulations which allowed the evaluation of the impact of different pilot power levels and modulations, as well as the comparison of TCH against other conventional pilots. In order to cope with the interference between pilots and data, an iterative receiver with interference suppression was employed for the superimposed pilots method.
引用
收藏
页码：117 / 122
页数：6
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