Uplink Dead Zone Analysis for Co-Channel Two-Tier Femtocell Network

被引：0

作者：

Han, Qiaoni ^{[1
]}

Guan, Xinping ^{[1
,2
]}

Ma, Kai ^{[1
]}

Liu, Zhixin ^{[1
]}

机构：

[1] Inst Elect Engn, Key Lab Ind Comp Control Engn Hebei Prov, Qinhuangdao 066004, Hebei, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai 200240, Peoples R China

来源：

PROCEEDINGS OF THE 10TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION (WCICA 2012) | 2012年

关键词：

Femtocell; interference; uplink; dead zone; POWER-CONTROL;

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：

This paper is concerned with the dead zone problem of uplink communication in two-tier femtocell network. In the uplink communication, the interference generated by a macrocell user at the edge of the macrocell base station (MBS) coverage area may cause the signal-to-interference-plus-noise ratio (SINR) received at the nearby femtocell base station (FBS) below the requirement, and the region in which the nearby FBS can not meet its SINR requirement is called a Femtocell Dead Zone (FDZ). In order to guarantee the quality-of-service (QoS) of macrocell users and femtocell users, the transmission power of femtocell users should be controlled properly. In this work, the uplink interference scenario that exists between a femtocell and a macrocell is modeled and discussed in detail, and then, the fundamental limit of the achievable SINR at MBS and FBS is shown. Numerical results present a straightforward way to establish the FDZ and show the impact of the uplink interference from macrocell user on the QoS of the nearby femtocell user.

引用

页码：991 / 995

页数：5

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