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Proportional fair scheduling in relay enhanced cellular OFDMA systems

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2 Author(s)
Woo-Geun Ahn ; Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea ; Hyung-Myung Kim

We propose an efficient proportional fair (PF) scheduling algorithm for multi-user OFDMA systems employing fixed relays. An PF metric maximization problem is first formulated for relay enhanced OFDMA cellular systems. A two-step algorithm is then proposed to solve the problem; the user routing step and the resource allocation step. The simulation results confirm the near-optimal performance of the proposed algorithm in PF sense.

Published in:

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications

Date of Conference:

15-18 Sept. 2008