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OFDMA Resource Allocation and QoS Provision in Hybrid Wireless Network

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3 Author(s)
Hongxiang Li ; Dept. of Electr. & Comput. Eng., North Dakota State Univ., Fargo, ND, USA ; Weiyi Zhang ; Vanteru, S.

This paper studies the joint OFDMA resource allocation and QoS routing problem in a hybrid wireless network, which includes an OFDMA based cellular network and an ad-hoc network with many sensor nodes. In such application, each sensor node generates certain amount of data that need to be sent to cellular base station (BS). The cellular nodes act as gateway to forward all the uplink traffic. We formulate the optimization problem to find the best OFDMA resource allocation and QoS routing scheme that maximizes the overall network throughput. We also provide algorithms and simulation results to illustrate our solutions for different network configurations.

Published in:

Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st

Date of Conference:

16-19 May 2010