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Cross-layer modeling of adaptive wireless links for QoS support in multimedia networks

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3 Author(s)
Qingwen Liu ; Dept. of Electr. & Comput. Eng.,, Minnesota Univ., Minneapolis, MN, USA ; Shengli Zhou ; G. B. Giannakis

Wired-wireless multimedia networks require diverse quality-of-service (QoS) support. To this end, it is essential to rely on QoS metrics pertinent to wireless links. In this paper, we develop a cross-layer model for adaptive wireless links, which enables derivation of the desired QoS metrics analytically from the typical wireless parameters across the hardware-radio layer, the physical layer and the data link layer. We illustrate the advantages of our model: generality, simplicity, scalability and backward compatibility. Finally, we outline its applications to power control, TCP, UDP and bandwidth scheduling in wireless networks.

Published in:

Quality of Service in Heterogeneous Wired/Wireless Networks, 2004. QSHINE 2004. First International Conference on

Date of Conference:

18-20 Oct. 2004