Cost Comparison Between SISO and MIMO Deployments in Future Wide Area Cellular Networks

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Executive Summary

Future cellular networks are expected to provide significantly higher capacity than today's systems. To support this higher capacity a denser deployment might be necessary. An alternative way is to deploy Multiple-Input-Multiple-Output (MIMO) Base Stations (BSs), called advanced BSs, so that the system capacity is improved without increasing the BSs density. This paper compares Single-Input-Single-Output (SISO) BS deployments with MIMO BS deployments from a cost perspective. The authors use a deployment methodology starting with a sparse density of BSs.

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