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 journalArticlepeer-review

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 2006

Bibliographical note

Funding Information:
∗ The work by Q. Liu and G. B. Giannakis are prepared through collaborative participation in the Communications and Networks Consortium sponsored by the U.S. Army Research Laboratory under the Collaborative Technology Alliance Program, Cooperative Agreement DAAD19-01-2-0011. The U.S. Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation thereon. The work by S. Zhou is supported by UConn Research Foundation internal grant 445157.

Keywords

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

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