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In this paper, we propose a number of QoS differentiation mechanisms for heterogeneous wireless networks and the next-generation Internet. We propose distributed differential scheduling and prioritized ki-ary countdown for differentiated channel access in mobile ad hoc networks and multihop wireless LANs. We also propose a differentiated backoff control scheme for distributed flow control and DiffServ supports in ad hoc networks. The proposed mechanisms have considerably stronger differentiation capability as compared to IEEE 802.11e.
Date of Conference: 30 June-3 July 2003