Uplink Performance of Multi-Antenna Cellular Networks with Co-Operative Base Stations and User-Centric Clustering

Siddhartan Govindasamy; Itsik Bergel

doi:10.1109/TWC.2018.2801290

Uplink Performance of Multi-Antenna Cellular Networks with Co-Operative Base Stations and User-Centric Clustering

Siddhartan Govindasamy, Itsik Bergel

Franklin W. Olin College of Engineering

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We consider a user-centric co-operative cellular network, where base stations (BSS) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSS are at arbitrary positions and mobiles are modeled as a planar Poisson point process (PPP). Combining stochastic geometry and infinite-random-matrix theory, we derive a simple expression for the spectral efficiency of this complex system as the number of antennas grows large. This framework is applied to BS locations from PPPs and hexagonal grids and is validated through Monte Carlo simulations. The results reveal the influence of tangible system parameters, such as mobile and BS densities, number of antennas per BS, and number of co-operating BSS on achievable spectral efficiencies. Among other insights, we find that for a given BS density and a constraint on the total number of co-operating antennas, all co-operating antennas should be located at a single BS. On the other hand, in our asymptotic regime, for the same number of co-operating antennas, if the network is limited by the area density of antennas, then the number of co-operating BSS should be increased with a fewer antennas per BS.

Original language	English
Pages (from-to)	2703-2717
Number of pages	15
Journal	IEEE Transactions on Wireless Communications
Volume	17
Issue number	4
DOIs	https://doi.org/10.1109/TWC.2018.2801290
State	Published - Apr 2018

Bibliographical note

Publisher Copyright:
© 2002-2012 IEEE.

Funding

Manuscript received April 19, 2017; revised August 19, 2017 and December 1, 2017; accepted January 17, 2018. Date of publication February 6, 2018; date of current version April 8, 2018. The work of S. Govindasamy was supported in part by the U.S. National Science Foundation under Grant CCF-1117218. This paper was presented in part at the IEEE International Conference on Communications, May 2017 [1]. The associate editor coordinating the review of this paper and approving it for publication was W. Zhang. (Corresponding author: Siddhartan Govindasamy.) S. Govindasamy is with the Franklin W. Olin College of Engineering, Needham, MA 02492 USA (e-mail: [email protected]).

Funders	Funder number
U.S. National Science Foundation	CCF-1117218
Directorate for Computer and Information Science and Engineering	1117218

Keywords

Cellular networks
MIMO
Poisson point process
antenna arrays
stochastic geometry

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10.1109/TWC.2018.2801290

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abstract = "We consider a user-centric co-operative cellular network, where base stations (BSS) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSS are at arbitrary positions and mobiles are modeled as a planar Poisson point process (PPP). Combining stochastic geometry and infinite-random-matrix theory, we derive a simple expression for the spectral efficiency of this complex system as the number of antennas grows large. This framework is applied to BS locations from PPPs and hexagonal grids and is validated through Monte Carlo simulations. The results reveal the influence of tangible system parameters, such as mobile and BS densities, number of antennas per BS, and number of co-operating BSS on achievable spectral efficiencies. Among other insights, we find that for a given BS density and a constraint on the total number of co-operating antennas, all co-operating antennas should be located at a single BS. On the other hand, in our asymptotic regime, for the same number of co-operating antennas, if the network is limited by the area density of antennas, then the number of co-operating BSS should be increased with a fewer antennas per BS.",

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author = "Siddhartan Govindasamy and Itsik Bergel",

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N2 - We consider a user-centric co-operative cellular network, where base stations (BSS) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSS are at arbitrary positions and mobiles are modeled as a planar Poisson point process (PPP). Combining stochastic geometry and infinite-random-matrix theory, we derive a simple expression for the spectral efficiency of this complex system as the number of antennas grows large. This framework is applied to BS locations from PPPs and hexagonal grids and is validated through Monte Carlo simulations. The results reveal the influence of tangible system parameters, such as mobile and BS densities, number of antennas per BS, and number of co-operating BSS on achievable spectral efficiencies. Among other insights, we find that for a given BS density and a constraint on the total number of co-operating antennas, all co-operating antennas should be located at a single BS. On the other hand, in our asymptotic regime, for the same number of co-operating antennas, if the network is limited by the area density of antennas, then the number of co-operating BSS should be increased with a fewer antennas per BS.

AB - We consider a user-centric co-operative cellular network, where base stations (BSS) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSS are at arbitrary positions and mobiles are modeled as a planar Poisson point process (PPP). Combining stochastic geometry and infinite-random-matrix theory, we derive a simple expression for the spectral efficiency of this complex system as the number of antennas grows large. This framework is applied to BS locations from PPPs and hexagonal grids and is validated through Monte Carlo simulations. The results reveal the influence of tangible system parameters, such as mobile and BS densities, number of antennas per BS, and number of co-operating BSS on achievable spectral efficiencies. Among other insights, we find that for a given BS density and a constraint on the total number of co-operating antennas, all co-operating antennas should be located at a single BS. On the other hand, in our asymptotic regime, for the same number of co-operating antennas, if the network is limited by the area density of antennas, then the number of co-operating BSS should be increased with a fewer antennas per BS.

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Uplink Performance of Multi-Antenna Cellular Networks with Co-Operative Base Stations and User-Centric Clustering

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