Binary Power Control for Sum Rate Maximization over Multiple Interfering Links

Round-robin power control for the weighted sum rate maximisation of wireless networks over multiple interfering links

We study the weighted sum rate maximisation problem of wireless networks consisting of multiple source–destination pairs. The optimisation problem is to maximise a weighted sum of data rates by adjusting the power of each user. The problem is in general a non-convex optimisation problem that will lead to multiple local maxima. A Gauss–Seidel type iterative power control algorithm is presented. ...

Sum-Rate Maximization Based on Power Constraints for Cooperative AF Relay Networks

In this paper, our objective is maximizing total sum-rate subject to power constraints on total relay transmit power or individual relay powers, for amplify-and-forward single-antenna relay-based wireless communication networks. We derive a closed-form solution for the total power constraint optimization problem and show that the individual relay power constraints optimization problem is a quad...

Sum Rate Maximization by Beamforming over Cognitive Radio Network

Abstract—An effort has been made to illustrate the performance comparison of the Rayleigh and Rician fading channel models by using MATLAB simulation in terms of Sum rate and signal to noise ratio (SNR). We have developed algorithms for the Rayleigh and Rician fading channels, which computes the Sum rate for the primary and the secondary user. Cognitive radio is regarded as one the most promisi...

Power-controlled capacity for interfering MIMO links

Low complexity sum rate maximization for single and multiple stream MIMO AF relay networks

A multiple-antenna amplify-and-forward two-hop interference network with multiple links and multiple relays is considered. We optimize transmit precoders, receive decoders and relay AF matrices to maximize the achievable sum rate. Under per user and total relay sum power constraints, we propose an efficient algorithm to maximize the total signal to total interference plus noise ratio (TSTINR). ...