14 research outputs found
Hybrid Access Techniques for Densely Populated Wireless Local Area Networks
Postprint (published version
Chapter Hybrid Access Techniques for Densely Populated Wireless Local Area Networks
Probability & statistic
Analysis of a distributed queuing medium access control protocol for cooperative ARQ
Postprint (published version
Using the KKT matrix in an augmented Lagrangian SQP method for sparse constrained optimization
SIGLEAvailable from British Library Document Supply Centre- DSC:8717.575(HU-NOC-TR--279) / BLDSC - British Library Document Supply CentreGBUnited Kingdo
Experimental performance evaluation of a MAC protocol for cooperative ARQ scenarios
This paper provides details and performance evaluation
of the implementation of the Persistent Relay Carrier Sensing
Multiple Access (PRCSMA) protocol for Cooperative ARQ
(C-ARQ) scenarios using off-the-shelf wireless cards. The underlying
idea of PRCSMA is to modify the basic rules of the IEEE
802.11 MAC protocol to execute a distributed C-ARQ scheme in
wireless networks in order to enhance their performance and to
extend coverage.1
For the implementation, we modify the HostAP driver for offthe-
shelf air-interfaces. HostAP is a Linux based driver for
802.11b WLAN cards based on Intersil´s Prism 2.5. Performance
evaluation tests provide proof-of-concept of the efficiency, in
terms of mean delay, of the PRCSMA in realistic condition