Mean Achievable Rates in Clustered Coordinated Base Station Transmission with Block Diagonalization

We focus on the mean achievable rate per user of the coordinated base station downlink transmission in a clustered cellular environment, with transmit power constraints at the base stations. Block Diagonalization is employed within the cluster to remove interference among users while the interferenc...

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Bibliographic Details
Published in:IEEE transactions on communications 2013-08, Vol.61 (8), p.3483-3493
Main Authors: Corvaja, R., Garcia Fernandez, J. J., Garcia Armada, A.
Format: Article
Language:English
Subjects:
Allocations
Applied sciences
Base stations
block diagonalization
Blocking
Channels
Clustering
Clusters
Complexity theory
Coordinated base stations
Covariance matrices
Detection, estimation, filtering, equalization, prediction
Exact sciences and technology
Fading
Information, signal and communications theory
Interference
Mathematical analysis
MIMO
network MIMO
Operations research
Receiving antennas
Signal and communications theory
Signal representation. Spectral analysis
Signal, noise
Stations
Studies
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:We focus on the mean achievable rate per user of the coordinated base station downlink transmission in a clustered cellular environment, with transmit power constraints at the base stations. Block Diagonalization is employed within the cluster to remove interference among users while the interference from other clusters remains. The average achievable rate per user is evaluated considering the effects of the propagation channel and the interference and a theoretical framework is presented to provide its analytical expression, validated by simulation results with different power allocation schemes. As an application, the number of cells of the cluster that maximizes the mean achievable rate per user is investigated. It can be seen that in most of the cases a reduced cluster size, close to seven cells, guarantees a rate very close to the maximum achievable.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2013.070213.120534