'Distributed coordination function dcf' presentation slideshows

FMAC/CSR: a Fair MAC Protocol for Wireless Ad-hoc Networks

FMAC/CSR: a Fair MAC Protocol for Wireless Ad-hoc Networks. Zhifei Li Anil K. Gupta Sukumar Nandi. Unfairness. Based on the length of time the system is observed Short-term fairness => long-term fairness Short-term unfairness => long-term unfairness Goal is short-term fairness.

434 views • 32 slides

327 views • 21 slides

WiFi Models

WiFi Models. EE 228A Lecture 5. Teresa Tung and Jean Walrand Department of EECS University of California at Berkeley. Overview: Contents. WiFi models via an example of QoS over 802.11 Overview 802.11 DCF Extension for 802.11e EDCF. Overview: Scenario. 802.11 Network

216 views • 21 slides

Ubiquitous Networks WLAN

Ubiquitous Networks WLAN. Lynn Choi Korea University. Portal. Distribution System. 802.11 - Infrastructure Mode. Terminology Station (STA) Wireless terminals Basic Service Area (BSA) Coverage area of one access point Basic Service Set (BSS) Group of stations controlled by the same AP

208 views • 11 slides