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

Qingwen Liu, Shengli Zhou, Georgios B. Giannakis

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Future 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.

Original languageEnglish (US)
Pages (from-to)427-437
Number of pages11
JournalWireless Networks
Volume12
Issue number4
DOIs
StatePublished - Aug 1 2006

Keywords

  • Adaptive modulation and coding
  • Cross-layer design
  • Quality of Service
  • Queuing analysis

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