DocumentCode :
443623
Title :
Knowledge-based wireless fair queuing using a traffic-profile compensation technique for broadband fixed wireless applications
Author :
Walsh, Steven ; Garcia, Emi ; Sezer, Sakir
Author_Institution :
The Inst. of Electron., Commun. & Inf. Technol., Queens Univ. Belfast, Ireland
Volume :
3
fYear :
2005
fDate :
30 May-1 June 2005
Firstpage :
1913
Abstract :
Despite the many wireless scheduling algorithms that have been proposed to date, there are a number of practical wireless scheduling issues which have yet to be provided for. This paper asserts that an intelligent wireless scheduler must be knowledge-based. To make practical decisions on which flows should receive what degree of compensation when links experience channel errors, it is essential to have knowledge of two individual metrics; a bandwidth metric and traffic metric. The current aggregate system bandwidth changes continuously according to the ´atmospheric conditions experienced and adaptive methods employed on a per channel basis. The traffic profile of each flow also changes depending on the burstiness of individual channels. These two parameters have a significant impact on how compensation should be issued. Also, a wireless scheduling algorithm should be realizable on existing hardware technology. It is the aim of this research to present an algorithm which schedules IP packets at the network layer using current state-of-the-art fair queuing techniques and a weight based method of compensation for lagging flows. The proposed algorithm is highly adaptable taking into account the current traffic profile as well as the constantly varying channel conditions and system bandwidth capacity in order to compensate lagging flow´s. Results presented in this paper show how compensation is provided to error channels on a knowledge-based principle.
Keywords :
IP networks; broadband networks; channel capacity; packet switching; queueing theory; radio networks; telecommunication traffic; wireless channels; IP packets; broadband fixed wireless applications; intelligent wireless scheduler; knowledge-based wireless fair queuing; lagging flow compensation; system bandwidth capacity; traffic-profile compensation technique; weight based method; Bandwidth; Error correction; Hardware; Information technology; Job shop scheduling; Quality of service; Scheduling algorithm; Telecommunication traffic; Traffic control; WiMAX; bandwidth; scheduling; traffic profile; wireless;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st
ISSN :
1550-2252
Print_ISBN :
0-7803-8887-9
Type :
conf
DOI :
10.1109/VETECS.2005.1543655
Filename :
1543655
Link To Document :
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