Performance Analysis of Joint Transmission Schemes in Ultra-Dense Networks - A Unified Approach

被引:10
作者
Chen, Shuyi [1 ]
Liu, Xiqing [2 ]
Zhao, Tianyu [1 ]
Chen, Hsiao-Hwa [3 ]
Meng, Weixiao [1 ]
机构
[1] Harbin Inst Technol, Commun Res Ctr, Harbin 150001, Peoples R China
[2] BUPT, SKL NST, Beijing 100876, Peoples R China
[3] Natl Cheng Kung Univ, Dept Engn Sci, Tainan 701, Taiwan
关键词
Ultra-dense network; joint transmission; stochastic geometry; area spectral efficiency; COORDINATED MULTIPOINT TRANSMISSION; CELLULAR NETWORKS; INTERFERENCE MANAGEMENT; STOCHASTIC GEOMETRY; SINR; 5G; ARCHITECTURE; ASSOCIATION; STATISTICS; CHALLENGES;
D O I
10.1109/TNET.2019.2957319
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Ultra-dense network (UDN) is one of the enabling technologies in the fifth generation (5G) wireless communications, and the application of joint transmission (JT) is extremely important to deal with severe inter-cell interferences in UDNs. However, most of the current works done in performance analysis on JT schemes in the literature were based largely on simulation results due to the difficulties in quantitatively identifying the number of desirable and interfering transmitters in a UDN setup. In this work, we are motivated to propose an analytical approach to investigate the performance of JT schemes with a unified approach based on stochastic geometry, which is in particular useful for studying different JT schemes as well as conventional transmission schemes without JT. Using the proposed approach, we can unveil the statistical characteristics (i.e., expectation, moment generation function, and variance) of desirable signal and interference powers of a given user equipment (UE), and thus the system performances, such as average signal-to-interference-plus-noise ratio (SINR) and area spectral efficiency, can be evaluated analytically. The simulation results are illustrated to verify the effectiveness of the proposed approach.
引用
收藏
页码:154 / 167
页数:14
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