存在干扰下的星地融合协作传输系统平均误符号率分析

刘笑宇; 林敏; 王金元; 欧阳键; 黄清泉

doi:10.7498/aps.68.20190123

摘要

卫星通信技术作为构建新一代泛在无线通信网不可或缺的一种手段, 近几年来受到了国内外学者的广泛关注. 本文研究了引入多天线中继技术构成的星地融合协作传输系统在干扰条件下的性能. 首先, 针对用户同时接收到直达信号和中继译码转发信号, 并且受到干扰的情况下, 得到经过最大比合并后的输出信干噪比表达式. 其次, 假设卫星链路和地面链路的衰落分别服从阴影莱斯分布和瑞利分布, 基于Meijer-G函数, 分别推导出直达链路和中继链路的矩母函数闭合表达式, 并进一步得到系统平均误符号率的闭合表达式. 最后, 计算机仿真不仅验证了理论性能分析的正确性, 而且定量分析了天线数、干扰数目和调制方式等对系统性能产生的影响.

关键词:

Abstract

As an indispensable method of constructing ubiquitous communication network, satellite communication technology has received significant attention in both industrial and academic areas recently. In this paper we investigate the performance of an integrated satellite-terrestrial cooperative network in the presence of co-channel interference, which consists of a satellite source having a single antenna, a terrestrial relay equipped with multiple antennas to assist satellite signal transmission, and a single-antenna user corrupted by multiple co-channel interference. On the assumption that the user receives the signals from direct link and relaying link with decode-and-forward protocol, the output signal-to-interference-plus-noise ratio of the user with the maximal ratio combining scheme is firstly obtained. Then, according to the Meijer-G function, we derive the moment generating function of the destination and the relay, where the satellite links are assumed to experience Shadowing-Rician fading while the terrestrial links undergo Rayleigh fading, and the analytical average symbol error rate expression for the considered system is obtained. Finally, the simulation results demonstrate the effectiveness of the theoretical analysis and reveal theinfluences of antenna number, interference number, and modulation schemes on the system performance. Therefore, our work provides useful guidelines for the engineers in designing the integrated satellite-terrestrial cooperative networks for future satellite mobile communication.

Keywords:

作者及机构信息

1.
南京邮电大学通信与信息工程学院, 南京　210003

2.
南京邮电大学, 宽带无线通信与传感网技术教育部重点实验室, 南京　210003

3.
陆军工程大学通信工程学院, 南京　210007

通信作者: 林敏, linmin@njupt.edu.cn

基金项目: 重点国际合作项目(批准号: 61720106003)、国家自然科学基金(批准号: 61701254, 61801234)、江苏省自然科学基金(批准号: BK20170901, BK20160911)和宽带无线通信与传感器网络技术教育部重点实验室开放课题基金(批准号: JZNY201701, JZNY201706)资助的课题.

Authors and contacts

1.
College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

2.
The Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

3.
College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China

Corresponding author: Lin Min, linmin@njupt.edu.cn

Funds: Project supported by the Funds for International Cooperation and Exchange of the National Natural Science Foundation of China (Grant No. 61720106003), the National Natural Science Foundation of China (Grant Nos. 61701254, 61801234), the Natural Science Foundation of Jiangsu Province, China (Grant Nos. BK20170901, BK20160911), and the Open Research Fund of Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, China (Grant Nos. JZNY201701, JZNY201706).

文章全文

参考文献

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[5]	Pecorella T, Ronga L S, Chiti F 2015 IEEE Commun. Mag. 53 170 Google Scholar
[6]	Sakarellos V K, Kourogiorgas C, Panagopoulos A K 2014 Wireless Personal Commun. 79 1471 Google Scholar
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[12]	Yona Y, Feder M 2014 Information Theory and Applications Workshop (ITA) San Diego, CA, USA, Feburary 9−14, 2014
[13]	An K, Ouyang J, Lin M, Liang T 2015 IEEE Commun. Lett. 19 1157 Google Scholar
[14]	Arti M K, Bhatnagar M R 2014 IEEE Commun. Lett. 18 483 Google Scholar
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[18]	Abdi A, Lau W, Alouini M, Kaveh M 2003 IEEE Trans. Wireless Commun. 2 519 Google Scholar
[19]	Gradshteyn I S, Ryzhik I M 2007 A Table of Integrals, Series, and Products 7th (Burlington: Academic Press) p337
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施引文献

图 1 系统模型

Fig. 1. System model.

下载: 全尺寸图片幻灯片

图 2 不同调制方式下ASER随的SNR变化

Fig. 2. Influences of different modulation modes on the ASER of the considered system.

下载: 全尺寸图片幻灯片

图 3 不同卫星信道参数下的ASER随的SNR变化

Fig. 3. Influences of different satellite channel parameters on the ASER of the considered system.

下载: 全尺寸图片幻灯片

图 4 不同天线数和干扰数下的ASER随的SNR变化

Fig. 4. Influences of different antenna numbers and interference numbers on the ASER of the considered system.

下载: 全尺寸图片幻灯片

表 1 LMS信道参数

Table 1. Channel parameters of LMS.

阴影类型参数
b m Ω

FHS 0.063 0.739 8.97 × 10^–4
AS 0.126 10.1 0.835
ILS 0.158 19.4 1.29

下载: 导出CSV

map

[1]	易克初, 李怡, 孙晨华, 南春国 2015 通信学报 36 6 Google Scholar Yi K C, Li Y, Sun C H, Nan C G 2015 J. Commun. 36 6 Google Scholar
[2]	王树志, 朱光武, 白伟华 2015 64 089301 Google Scholar Wang S Z, Zhu G W, Bai W H 2015 Acta Phys. Sin. 64 089301 Google Scholar
[3]	刘桢, 张嘉怡, 陆明泉, 黄洁, 赵拥军 2017 66 129101 Google Scholar Liu Z, Zhang J Y, Lu M Q, Huang J, Zhao Y J 2017 Acta Phys. Sin. 66 129101 Google Scholar
[4]	安豪, 严卫, 赵现斌,等 2013 62 199201 Google Scholar An H, Yan W, Zhao X B, et al. 2013 Acta Phys. Sin. 62 199201 Google Scholar
[5]	Pecorella T, Ronga L S, Chiti F 2015 IEEE Commun. Mag. 53 170 Google Scholar
[6]	Sakarellos V K, Kourogiorgas C, Panagopoulos A K 2014 Wireless Personal Commun. 79 1471 Google Scholar
[7]	Bhatnagar M R, Arti M K 2013 IEEE Commun. Lett. 17 1912 Google Scholar
[8]	Sreng S, Escrig B, Boucheret M L 2013 IEEE Trans. Wireless Commun. 12 1310 Google Scholar
[9]	Zhao Y, Chen H, Xie L, Wang K 2018 IET Commun. 12 1342 Google Scholar
[10]	An K, Lin M, Liang T 2015 IEEE Commun. Lett. 19 1722 Google Scholar
[11]	Zheng K, Zhao L, Mei J, Shao B, Xiang W, Hanzo L 2015 IEEE Commun. Surv. Tutor. 17 1738 Google Scholar
[12]	Yona Y, Feder M 2014 Information Theory and Applications Workshop (ITA) San Diego, CA, USA, Feburary 9−14, 2014
[13]	An K, Ouyang J, Lin M, Liang T 2015 IEEE Commun. Lett. 19 1157 Google Scholar
[14]	Arti M K, Bhatnagar M R 2014 IEEE Commun. Lett. 18 483 Google Scholar
[15]	An K, Lin M, Ouyang J, Huang Y, Zheng G 2014 IEEE Commun. Lett. 18 1947 Google Scholar
[16]	Javed U, He D, Liu P 2016 Sensors 16 1236 Google Scholar
[17]	Simon M, Alouini M 2005 Digital Communication over Fading Channels (New York: Wiley-IEEE Press) pp86, 87
[18]	Abdi A, Lau W, Alouini M, Kaveh M 2003 IEEE Trans. Wireless Commun. 2 519 Google Scholar
[19]	Gradshteyn I S, Ryzhik I M 2007 A Table of Integrals, Series, and Products 7th (Burlington: Academic Press) p337
[20]	Proakis J G 2011 Digital Communications 4th (New York: McGraw-Hill) pp49−51
[21]	Mckay M, Zanella A, Collings I, Chiani M 2009 IEEE Trans. Commun. 57 676 Google Scholar
[22]	Annamalai A, Tellambura C 2001 IEEE Trans. Commun. 49 58 Google Scholar

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存在干扰下的星地融合协作传输系统平均误符号率分析