Energy Efficiency Optimization for Cognitive Radio MIMO Broadcast Channels
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- Abstract:
- Energy efficiency (EE) of wireless systems has become more and more important.
- Cognitive radio (CR) multiple-input multiple-output (MIMO) systems mainly focus on the system throughput.
- For this we proposed EE optimization algorithm for overcome the optimization problem and power allocation problem.
- EE optimization problem of CR MIMO BC is studied under the total power constraint, the interference power constraint and the minimum system throughput constraint.