Capacity Analysis of Joint Transmission CoMP With Adaptive Modulation

被引：33

作者：

Cui, Qimei ^{[1
]}

Song, Hengguo ^{[1
]}

Wang, Hui ^{[2
]}

Valkama, Mikko ^{[3
]}

Dowhuszko, Alexis A. ^{[4
]}

机构：

[1] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China

[2] Jiangxi Transportat Inst, Nanchang 330038, Jiangxi, Peoples R China

[3] Tampere Univ Technol, Tampere 33720, Finland

[4] Ctr Technol Telecomunicac Catalunya CTTC, Barcelona 08860, Spain

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2017年 / 66卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Average spectral efficiency (ASE); continuous-rate adaptive modulation; Coordinated Multipoint (CoMP); discrete-rate adaptive modulation; joint transmission (JT); OFDM SYSTEMS;

D O I：

10.1109/TVT.2016.2564106

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Joint transmission (JT)-based Coordinated Multipoint (CoMP) systems achieve high performance gains by allowing full coordination among multiple cells, transforming unwanted intercell interference into useful signal power. In this paper, we present an analytical model to perform adaptive modulation for a typical JT CoMP system, consisting of three transmission points, under a target bit error rate (BER) constraint. Probability density functions of the signal-to-interference-plus-noise ratio (SINR) are derived for different JT CoMP schemes, and based on them, closed-form expressions for the average spectral efficiency (ASE) are obtained when adopting continuous-rate adaptive modulation. The study of ASE is also extended for the case of discrete-rate modulations, where the performance comparison of different practical quantized modulation schemes is carried out.

引用

页码：1876 / 1881

页数：6

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