Optimal resource allocation in relay-assisted cellular networks with partial CSI
IEEE Transactions on Signal Processing
IEEE Transactions on Wireless Communications
Multi-hop capacity of MIMO-multiplexing relaying systems
IEEE Transactions on Wireless Communications
Spectral efficiency of maximum ratio combining (MRC) over slow fading with estimation errors
Digital Signal Processing
Performance Evaluation of Generalized Selection Combiners Over Slow Fading with Estimation Errors
Wireless Personal Communications: An International Journal
Wireless Personal Communications: An International Journal
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Information theoretical optimization problems related to the resource allocation of wireless cellular and ad hoc networks are not solvable in closed form due to the nonlinear logarithmic representation of the Shannon capacity. This paper introduces functional approximations to the MIMO capacity over flat Rayleigh fading channels, which allow for analytical solutions to network resource optimization problems. The precision of the suggested approximations is assessed and is shown to provide a very close match to the exact capacity expression.