Scalability of wireless networks capacity with power control

Wang Hei Ho, Soung Chang Liew

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


Reference [1] showed that wireless networks with capacity scalable with the number of nodes, n, are achievable in theory. The transport capacity scales as θ √ (n), while the capacity scales as θ (n). Reference [2], on the other hand, showed that the capacity of IEEE 802.11 networks does not scale with n due to its carrier sensing mechanism. The previous work, however, has not considered the use of power control. The main contributions of this paper are two-fold: 1) the demonstration that 802.11 networks are scalable with power control; 2) however, with power control, an enhanced MAC protocol called Selective Disregard of NAVs (SDN) can achieve substantially higher capacity. Specifically, capacity within 90% of the theoretical optimal capacity of infrastructure networks is achievable.
Original languageEnglish
Title of host publicationVTC 2005-Fall
Subtitle of host publicationMid Way Through the Decade - Technology Past, Present and Future
Number of pages5
ISBN (Electronic)0780391527
Publication statusPublished - 1 Jan 2015
Externally publishedYes
Event62nd Vehicular Technology Conference, VTC 2005 - Dallas, United States
Duration: 25 Sept 200528 Sept 2005


Conference62nd Vehicular Technology Conference, VTC 2005
Country/TerritoryUnited States


  • 802.11
  • Ad-hoc Networks
  • Network Capacity
  • Power Control
  • Scalability
  • Wireless Networks
  • WLAN

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Applied Mathematics


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