186views more  ITIIS 2010»
12 years 9 months ago
Adaptive Binary Negative-Exponential Backoff Algorithm Based on Contention Window Optimization in IEEE 802.11 WLAN
IEEE 802.11 medium access control (MAC) employs the distributed coordination function (DCF) as the fundamental medium access function. DCF operates with binary exponential backoff...
Bum-Gon Choi, Ju Yong Lee, Min Young Chung
171views Education» more  CORR 2011»
12 years 9 months ago
Fairness issues in a chain of IEEE 802.11 stations
: We study a simple general scenario of ad hoc networks based on IEEE 802.11 wireless communications, consisting in a chain of transmitters, each of them being in the carrier sense...
Bertrand Ducourthial, Yacine Khaled, Stépha...

12 years 10 months ago
Design, Implementation, and Performance Analysis of DiscoSec–Service Pack for Securing WLANs
To improve the already tarnished reputation of WLAN security, the new IEEE 802.11i security standard provides means for an enhanced user authentication and strong data confidential...
Ivan Martinovic, Paul Pichota, Matthias Wilhelm, F...
13 years 8 days ago
Efficient Medium Access Control with IEEE 802.11 for Mobile Ad Hoc Networks
The IEEE 802.11 Medium Access Control (MAC) protocol has inherent weakness of channel wastage while operating a Mobile Ad hoc Network (MANET). In this paper, we therefore propose s...
Zalal Uddin Mohammad Abusina, Mesbah Uddin, Salahu...
13 years 16 days ago
An Experimental Comparison of Burst Packet Transmission Schemes in IEEE 802.11-Based Wireless Mesh Networks
Abstract--Wireless mesh networks (WMNs) are wireless multihop networks comprised of mesh routers, which relay traffic on behalf of clients and other nodes. Using the standard IEEE ...
Peter Dely, Andreas Kassler, Nico Bayer, Dmitry Si...
157views Communications» more  VTC 2010»
13 years 27 days ago
Multi-Room IPTV Delivery through Pseudo-Broadcast over IEEE 802.11 Links
Abstract—The IEEE 802.11 wireless LAN (WLAN) is a timetested technology, but it is still evolving towards even higher speeds and richer features. For multi-room IPTV delivery, wh...
Yongtae Park, Chiho Jo, Sangki Yun, Hyogon Kim
177views more  TMC 2002»
13 years 2 months ago
Goodput Analysis and Link Adaptation for IEEE 802.11a Wireless LANs
Abstract--Link adaptation to dynamically select the data transmission rate at a given time has been recognized as an effective way to improve the goodput performance of the IEEE 80...
Daji Qiao, Sunghyun Choi, Kang G. Shin
149views more  ADHOC 2004»
13 years 2 months ago
IEEE 802.11 over multi-hop wireless networks: problems and new perspectives
The IEEE 802.11 standard for medium access control in wireless local area networks has been adopted as the de-facto medium access control standard in multi-hop wireless networks. I...
Karthikeyan Sundaresan, Hung-Yun Hsieh, Raghupathy...
87views more  JNW 2007»
13 years 2 months ago
Modeling of IEEE 802.11 DCF for Transient State Conditions
—Performance of IEEE 802.11 distributed coordination function (DCF) has been studied by several authors under steady-state conditions. Behavior of DCF under transient state condi...
Rama Krishna Challa, Saswat Chakrabarti, Debasish ...
138views more  TMC 2008»
13 years 2 months ago
Airtime Fairness for IEEE 802.11 Multirate Networks
Under a multirate network scenario, the IEEE 802.11 DCF MAC fails to provide airtime fairness for all competing stations since the protocol is designed for ensuring max-min through...
Tarun Joshi, Anindo Mukherjee, Younghwan Yoo, Dhar...