6533b82efe1ef96bd1292a04
RESEARCH PRODUCT
Random access with repeated contentions for emerging wireless technologies
Ilenia TinnirelloAndrea BaiocchiDomenico GarlisiAlice Lo Valvosubject
Settore ING-INF/03 - Telecomunicazionibusiness.industryOrthogonal frequency-division multiplexingComputer scienceComputer Science (all)020206 networking & telecommunications02 engineering and technologycomputer science (all); electrical and electronic engineering; binary alloys0202 electrical engineering electronic engineering information engineeringWireless020201 artificial intelligence & image processingElectrical and Electronic EngineeringbusinessRandom accessComputer networkdescription
In this paper we propose ReCo, a robust contention scheme for emerging wireless technologies, whose efficiency is not sensitive to the number of contending stations and to the settings of the contention parameters (such as the contention windows and retry limits). The idea is iterating a basic contention mechanism, devised to select a sub-set of stations among the contending ones, in consecutive elimination rounds, before performing a transmission attempt. Elimination rounds can be performed in the time or frequency domain, with different overheads, according to the physical capabilities of the nodes. Closed analytical formulas are given to dimension the number of contention rounds in order to achieve an arbitrary low collision probability. Simulation results and a real implementation for the time-domain solution demonstrate the effectiveness and robustness of this approach in comparison to IEEE 802.11 DCF.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2017-05-01 | IEEE INFOCOM 2017 - IEEE Conference on Computer Communications |