Average rate maximization in relay networks over slow fading channels

作者：Fan Rongfei^*; Jiang Hai

来源：IEEE Transactions on Vehicular Technology, 2011, 60(8): 3865-3881.

DOI：10.1109/TVT.2011.2165570

• Average rate
• Channel gains
• Closed form solutions
• Decode-and-forward
• Fast algorithms
• Maximization problem
• Numerical results
• Optimization problems
• Peak power
• Power constraints
• Relay network
• Slow fading channel
• Sub-problems
• Transmission power constraints

In this paper, the average rate maximization problem given transmission power constraints in a decode-and-forward (DF) relay network over slow fading channels is studied. For the problem, either a long- or short-term power constraint is imposed on the source and relays. In each combination of the power constraints at the source and relays, the original optimization problem is decomposed into subproblems, each corresponding to a specific channel gain realization. For each subproblem, a fast algorithm with closed-form solutions is provided. The case with additional peak power spectrum density constraints is also investigated. Numerical results are presented to demonstrate the effectiveness of the algorithms.

• 出版日期2011
• 单位university of alberta; The University of Alberta