Optimal Power Allocation with Max-Min Fairness in a Non-orthogonal AF Relay-Assisted Uplink Transmission

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概要

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• In this letter, unlike the previous work in [2], the optimal power allocation in a non-orthogonal, amplify-and-forward (AF) relay-assisted transmission is investigated in the uplink. Here, the inter-user-interference among the signals from MTs and relays exists due to non-zero interference suppression factor (ISF), i.e., finite spreading factor. In this letter, we show that the optimal solution to achieve a 'max-min fairness' among mobile terminals can be alternatively obtained by solving its inverse problem. The impact of various ISFs as well as the Jain's fairness is investigated in comparison with the equal power allocation.

著者

• Kim Duk

  Inha University

• GONG Peng

  Inha University

• Kim Duk

  Inha Univ.

• LI Ping

  Beijing Institute of Technology

• GONG Peng

  Inha University and Beijing Institute of Technology

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• Optimal Power Allocation with Max-Min Fairness in a Non-orthogonal AF Relay-Assisted Uplink Transmission
• Optimal Power Allocation with Max-Min Fairness in a Non-orthogonal AF Relay-Assisted Uplink Transmission

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