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Power-Based Routing for Two-Hop OFDMA Cellular Networks with Fixed Relay Stations

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4 Author(s)
Min Liang ; Wireless Theor. & Technol. Lab., Beijing Univ. of Posts & Telecommun., Beijing ; Huang Fan ; Ya Feng Wang ; Da Cheng Yang

This paper addresses aspects of routing strategy of a cellular network enhanced with two-hop fixed relay nodes. The routing strategy for each user is important design parameter because the terminal is energy-limited. To enhance the radio resource utility, a utility maximization framework via pricing is adopted for multi-cell distributed power allocation. Under the optimization physical layer transmission strategy, an efficient power-based routing algorithm is proposed in reverse link which selects the best route in the tradeoff between power consumption and data rate. It is demonstrated through intensive system-level simulation that the performance of our proposed routing algorithm is superior to several known routing algorithms.

Published in:

2008 4th International Conference on Wireless Communications, Networking and Mobile Computing

Date of Conference:

12-14 Oct. 2008