NDLI: Boosting MIMO Systems Performance in Urban Cellular Networks

Content Provider	Springer Nature Link
Author	Sousa, Ivo Queluz, Maria Paula Rodrigues, António
Copyright Year	2016
Abstract	This work presents solutions to enhance the performance of urban cellular networks based on Multiple-Input Multiple-Output (MIMO) systems. First, some adjustments to the Base Stations (BSs) are proposed and evaluated, namely the reorientation of the antennas and two new placements of the BSs, while maintaining or even diminishing the number of required BSs. Afterwards, a cooperative wireless system is combined with a relay selection scheme, also proposed here, and its performance is assessed; this scheme allows to exploit the MIMO spatial multiplexing gain in a distributed and simple manner. This study is performed for a realistic urban environment, i.e., using a simulator that incorporates realistic underlying models (test environment, mobility and radio propagation models), and it is envisioned for market available technology, such as Long Term Evolution (LTE) and Bluetooth. The simulation results show that not only all the proposed placements of the BSs present a superior performance with respect to the traditional placement, but also the relay selection scheme, when incorporated in the cooperative system, can be a valid approach to increase the MIMO channel capacity.
Starting Page	723
Ending Page	741
Page Count	19
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	95
Issue Number	2
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2016-10-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	MIMO systems Cellular networks Radio resource management Cooperative techniques Channel capacity Communications Engineering, Networks Signal,Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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