Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links

Dong Zheng, Junshan Zhang

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

1 Citation (Scopus)

Abstract

MIMO techniques using multiple antennas for both transmitting and receiving have recently manifested themselves to be very promising for future broadband wireless networks. Aiming to leverage the impact of these MIMO techniques on network protocol design in wireless LANs (WLANs), we take a utility approach to study channel-aware weighted proportional fair medium access control (WPFMAC)for QoS provisioning. Simply put, in this utility based approach, every user in a WLAN attempts to maximize its own utility, and the optimization procedure takes place in two stages: a channel contention phase that arbitrates fair channel access across the users via combining adaptive persistence mechanism with random backoff, and a data transmission phase that determines the transmission duration based on the channel conditions in each transmission round. Furthermore, adaptive beamforming is carried out by using the training signals embedded in the RTS/CTS handshake to enhance the spectral efficiency of the MIMO links. Using a stochastic approximation method, together with the Lyapunov stability theorems, we establish the stability of the adaptive persistence mechanism in the proposed WPF MAC and analyze the fairness across the users therein.

Original languageEnglish (US)
Title of host publicationSecond International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005
Volume2005
DOIs
StatePublished - 2005
Event2nd International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005 - Orlando,FL, United States
Duration: Aug 22 2005Aug 23 2005

Other

Other2nd International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005
CountryUnited States
CityOrlando,FL
Period8/22/058/23/05

Fingerprint

Medium access control
MIMO systems
Local area networks
Telecommunication links
Beamforming
Data communication systems
Wireless networks
Quality of service
Antennas
Network protocols

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Zheng, D., & Zhang, J. (2005). Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links. In Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005 (Vol. 2005). [1551084] https://doi.org/10.1109/QSHINE.2005.13

Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links. / Zheng, Dong; Zhang, Junshan.

Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005. Vol. 2005 2005. 1551084.

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

Zheng, D & Zhang, J 2005, Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links. in Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005. vol. 2005, 1551084, 2nd International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005, Orlando,FL, United States, 8/22/05. https://doi.org/10.1109/QSHINE.2005.13
Zheng D, Zhang J. Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links. In Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005. Vol. 2005. 2005. 1551084 https://doi.org/10.1109/QSHINE.2005.13
Zheng, Dong ; Zhang, Junshan. / Channel-aware weighted proportional fair medium access control in wireless LANs with MIMO links. Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, Qshine 2005. Vol. 2005 2005.
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