Co-DRR: An integrated uplink and downlink scheduler for bandwidth management over wireless LANs

Huan Yun Wei, Ching Chuang Chiang, Ying-Dar Lin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

Bandwidth management over wired bottleneck links has been an effective way to utilize network resources. For the rapidly emerging IEEE 802.11 wireless LAN (WLAN), the limited WLAN bandwidth becomes a new bottleneck and requires bandwidth management. Most possible existing solutions only exclusively focus on optimizing multimedia traffic, pure downlink or pure uplink fairness, or are incompatible with IEEE 802.11. This study proposes a cooperative deficit round robin (co-DRR), an IEEE 802.11-compatible host based fair scheduling algorithm based on the deficit round robin (DRR) and distributed-DRR (DDRR) schemes, to cooperate the uplink and downlink quantum calculations to simultaneously control uplink and downlink bandwidth. Co-DRR uses the standard PCF mode to utilize the contention-free period to compensate for the unfairness in the contention period. Numerical results demonstrate that: co-DRR can scale up to 100 mobile hosts even under high bit error rate (0.0001) while simultaneous achieving uplink/downlink long-term fairness (CoV<0.01) among competing mobile hosts.

Original languageEnglish
Title of host publicationProceedings - 8th IEEE International Symposium on Computers and Communication, ISCC 2003
Pages1415-1420
Number of pages6
DOIs
StatePublished - 1 Dec 2003
Event8th IEEE International Symposium on Computers and Communication, ISCC 2003 - Kemer-Antalya, Turkey
Duration: 30 Jun 20033 Jul 2003

Publication series

NameProceedings - IEEE Symposium on Computers and Communications
ISSN (Print)1530-1346

Conference

Conference8th IEEE International Symposium on Computers and Communication, ISCC 2003
CountryTurkey
CityKemer-Antalya
Period30/06/033/07/03

Keywords

  • Bandwidth management
  • Deficit round robin, 802.11
  • Fair queuing
  • Scheduling

Fingerprint Dive into the research topics of 'Co-DRR: An integrated uplink and downlink scheduler for bandwidth management over wireless LANs'. Together they form a unique fingerprint.

Cite this