Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs

Qiuyan Xia, Jian Pu, Mounir Hamdi, Khaled Letaief

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we propose a new open-loop rate/link adaptation algorithm (ARFHT) for the emerging high-speed IEEE 802.11n WLANs. ARFHT extends the legacy rate adaptation algorithms for SISO WLANs to make it applicable in the context of MIMO-based 802.11n WLANs. It adapts the MIMO mode in terms of spatial multiplexing and spatial diversity, the two fundamental characteristics of the 802.11n MIMO PHY. It also modifies the link estimation and probing behavior of legacy SISO algorithms. The combined adaptation to the appropriate MIMO mode as well as the appropriate modulation coding scheme selection achieves high channel utilization. In this paper, we provide the intuition and the design details of the ARFHT algorithm. A comprehensive simulation study using ns-2 will demonstrate that ARFHT achieves excellent throughput performance in most scenarios and is highly responsive to varying link conditions, with minimum overhead.

Original languageEnglish
Title of host publicationIEEE Symposium on Computers and Communications 2009, ISCC 2009
Pages661-666
Number of pages6
DOIs
Publication statusPublished - 2009
Externally publishedYes
EventIEEE Symposium on Computers and Communications 2009, ISCC 2009 - Sousse, Tunisia
Duration: 5 Jul 20098 Jul 2009

Other

OtherIEEE Symposium on Computers and Communications 2009, ISCC 2009
CountryTunisia
CitySousse
Period5/7/098/7/09

Fingerprint

Link Adaptation
Rate Adaptation
Wireless LAN
Wireless local area networks (WLAN)
MIMO systems
Multiple-input multiple-output (MIMO)
High Speed
Spatial Diversity
Spatial multiplexing
Multiplexing
Modulation
Throughput
Coding
Simulation Study
Scenarios
Demonstrate

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Mathematics(all)
  • Computer Science Applications
  • Computer Networks and Communications

Cite this

Xia, Q., Pu, J., Hamdi, M., & Letaief, K. (2009). Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs. In IEEE Symposium on Computers and Communications 2009, ISCC 2009 (pp. 661-666). [5202283] https://doi.org/10.1109/ISCC.2009.5202283

Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs. / Xia, Qiuyan; Pu, Jian; Hamdi, Mounir; Letaief, Khaled.

IEEE Symposium on Computers and Communications 2009, ISCC 2009. 2009. p. 661-666 5202283.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Xia, Q, Pu, J, Hamdi, M & Letaief, K 2009, Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs. in IEEE Symposium on Computers and Communications 2009, ISCC 2009., 5202283, pp. 661-666, IEEE Symposium on Computers and Communications 2009, ISCC 2009, Sousse, Tunisia, 5/7/09. https://doi.org/10.1109/ISCC.2009.5202283
Xia Q, Pu J, Hamdi M, Letaief K. Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs. In IEEE Symposium on Computers and Communications 2009, ISCC 2009. 2009. p. 661-666. 5202283 https://doi.org/10.1109/ISCC.2009.5202283
Xia, Qiuyan ; Pu, Jian ; Hamdi, Mounir ; Letaief, Khaled. / Practical and efficient open-loop rate/link adaptation algorithm for high-speed IEEE 802.11n WLANs. IEEE Symposium on Computers and Communications 2009, ISCC 2009. 2009. pp. 661-666
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