Joint Power-Frequency-Time Resource Allocation in Clustered Wireless Mesh Networks

  • Authors:
  • Ho Ting Cheng;Weihua Zhuang

  • Affiliations:
  • Univ. of Waterloo, Waterloo;-

  • Venue:
  • IEEE Network: The Magazine of Global Internetworking
  • Year:
  • 2008

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Abstract

Wireless mesh networking is an emerging technology for future broadband wireless access. Future wireless networking can benefit from a robust and reliable wireless mesh backbone rendered by mesh routers, providing an all-wireless ambience. Due to the requisite multichannel communications for high-speed data transmissions, power allocation for opportunistically exploiting fading wireless channels, and packet scheduling for QoS provisioning, joint power-frequency-time resource allocation is indispensable. In this article we propose a low-complexity intracluster resource allocation algorithm, taking power allocation, subcarrier allocation, and packet scheduling into consideration. Numerical results demonstrate that our scheme is near optimal, and that our optimality-driven resource allocation approach outperforms a greedy algorithm, working out a better performance compromise among throughput, packet dropping rate, and packet delay.