activity
20092026
most citedThe Effects of Limited Channel Knowledge on Cognitive Radio System Capacity

86 citations · 210 across the 20 of their papers we have counts for

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Showing 2015Show all

6 papers · 1 filter

cs.IT2015★ 16 cited

Coordinated Regularized Zero-Forcing Precoding for Multicell MISO Systems with Limited Feedback

Jawad Mirza, Peter J. Smith, Pawel A. Dmochowski +1

We investigate coordinated regularized zero-forcing precoding for limited feedback multicell multiuser multiple-input single-output systems. We begin by deriving an approximation t…

cs.IT2015★ 10 cited

Coordinated Two-Tier Heterogeneous Cellular Networks with Leakage Based Beamforming

Harsh Tataria, Mansoor Shafi, Peter J. Smith +1

In this paper we demonstrate the rate gains achieved by two-tier heterogeneous cellular networks (HetNets) with varying degrees of coordination between macrocell and microcell base…

cs.IT2015★ 2 cited

On the Convergence and Performance of MF Precoding in Distributed Massive MU-MIMO Systems

Peter J. Smith, Callum T. Neil, Mansoor Shafi +1

In this paper, we analyze both the rate of convergence and the performance of a matched-filter (MF) precoder in a massive multi-user (MU) multiple-input-multiple-output (MIMO) syst…

cs.IT2015

Deployment Issues for Massive MIMO Systems

Callum T. Neil, Mansoor Shafi, Peter J. Smith +1

In this paper we examine a number of deployment issues which arise from practical considerations in massive multiple-input-multiple-output (MIMO) systems. We show both spatial corr…

cs.IT2015

On the Impact of Antenna Topologies for Massive MIMO Systems

Callum T. Neil, Mansoor Shafi, Peter J. Smith +1

Approximate expressions for the spatial correlation of cylindrical and uniform rectangular arrays (URA) are derived using measured distributions of angles of departure (AOD) for bo…

cs.IT2015

On the Convergence of Massive MIMO Systems

Peter J. Smith, Callum T. Neil, Mansoor Shafi +1

In this paper we examine convergence properties of massive MIMO systems with the aim of determining the number of antennas required for massive MIMO gains. We consider three charac…