Joint CoMP and power allocation in ultra dense networks

被引：16

作者：

Wu, Jingjing ^{[1
]}

Zeng, Jie ^{[2
]}

Su, Xin ^{[2
]}

Xu, Xibin ^{[2
]}

Xiao, Limin ^{[2
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Broadband Wireless Access Lab, Chongqing, Peoples R China

[2] Tsinghua Univ, Tsinghua Natl Lab Informat Sci & Technol, Res Inst Informat Technol, Beijing, Peoples R China

来源：

2017 WIRELESS TELECOMMUNICATIONS SYMPOSIUM (WTS) | 2017年

关键词：

UDN; CoMP; cell load; power allocation;

D O I：

10.1109/WTS.2017.7943534

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 networks (UDN) can be considered as one of the key technologies of 5G, since it can improve capacity and spectral efficiency. With the densification of cell networks, the signals received by cell edge users may be from more than one cell. In this situation, coordinated multi-points (CoMP) technology can be used to improve the sum rate in the system. Considering the constraints of resource allocation posed by CoMP, a CoMP based on cell load-aware (CLA-CoMP) is proposed. It can balance the cell load by adjusting the number of users serviced by small base stations. The relationship between small base stations and users being finalized. And then, the power allocation is considered. In order to improve the sum rate in the system, a power allocation based on proportional fairness (PF-PA) is proposed. It can allocate more power to better users with good channel state. The simulation results show that, CLA-CoMP can improve sum rate compared with traditional CoMP and PF-PA can improve sum rate compared with the average power allocation in the system. As a result, joint CLA-CoMP and PF-PA can obtain the maximum system performance gain.

引用

页数：5

共 13 条

[1]

Bai Lu, 2014, IEEE 2014 12 INT C S

[2]

Chen Siyi, 2015, 2015 10 INT C COMM N

[3] EVOLUTION TOWARD 5G MULTI-TIER CELLULAR WIRELESS NETWORKS: AN INTERFERENCE MANAGEMENT PERSPECTIVE [J].

Hossain, Ekram ;

Rasti, Mehdi ;

Tabassum, Hina ;

Abdelnasser, Amr .

IEEE WIRELESS COMMUNICATIONS, 2014, 21 (03) :118-127

[4]

Liu Ling, 2015, IEEE COMM ICC

[5]

Meng N, 2016, IEEE WCNC

[6] Connecting Framework of Smart Devices Based on Linux Container Technology [J].

Quan, Li ;

Wang, Zhiliang ;

Liu, Xin .

2016 INTERNATIONAL CONFERENCE ON IDENTIFICATION, INFORMATION AND KNOWLEDGE IN THE INTERNET OF THINGS (IIKI), 2016, :1-3

[7] On the Deployment of Moving Networks In Ultra-dense Urban Scenarios Invited Paper [J].

Sui, Yutao ;

Guvenc, Ismail ;

Svensson, Tommy .

2014 1ST INTERNATIONAL CONFERENCE ON 5G FOR UBIQUITOUS CONNECTIVITY (5GU), 2014, :240-245

[8]

Sun H, 2015, 2015 IEEE 82ND VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL)

[9]

Tang Shiyan, 2015, 2015 INT C INF COMM

[10]

Yang Zihua, 2016, IEEE PERSONAL INDOOR

← 1 2 →