NDLI: Impact of Placement of Small Cells on Downlink Performance for Cellular Wireless Networks

Content Provider	IEEE Xplore Digital Library
Author	Hung-Bin Chang Rubin, I.
Copyright Year	2013
Description	Author affiliation: Electr. Eng. Dept., Univ. of California, Los Angeles (UCLA), Los Angeles, CA, USA (Hung-Bin Chang; Rubin, I.)
Abstract	In this paper, we consider a cellular system whose downlink transmissions are managed by the use of a heterogeneous layout of macro and micro base station nodes. Our objective is to determine the impact of the addition of small cells on the throughput capacity of the downlink system in each individual cell. For this purpose, we first determine the locations in each cell at which a mobile would monitor the lowest SINR levels, which is important in evaluating the system's scope level of global coverage. The configuration of modulation/coding sets and related code rate levels are adjusted accordingly. Assuming base station nodes to coordinate their downlink transmissions by using coloring oriented schedules, we prove that mobiles record the lowest SINR levels when they are located at the outer vertices of each cell's region. We further prove that in fact, by using properly coordinated scheduling mechanisms, the inclusion of small cells leads to also enhanced throughput rate in each individual cell.
Starting Page	1
Ending Page	5
File Size	300021
Page Count	5
File Format	PDF
ISBN	9781467361873
ISSN	10903038
DOI	10.1109/VTCFall.2013.6692228
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mobile communication Layout Signal to noise ratio Interference Base stations Monitoring Throughput
Content Type	Text
Resource Type	Article

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