Title :
Channel and Delay Margin Aware Bandwidth Allocation for Future Generation Wireless Networks
Author :
Ho, Quang-Dung ; Ashour, Mohamed ; Le-Ngoc, Tho
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC
Abstract :
This paper studies the problem of adaptive resource allocation for downlink transmission at the base station (BS) of future multi-service IP-based networks. A delay margin based scheduling (DMS) approach is proposed to determine the queuing priority of an incoming packet by taking into consideration the distance between its currently experienced delay and its maximum allowed limit since such an instantaneous delay margin can timely and faithfully quantify its urgency. A number of queue architectures that aim to increase the bandwidth efficiency by integrating DMS with opportunistic user channel based scheduling (UCS) are also suggested. Wireless channel bandwidth efficiency and delay outage probability of the proposed approaches are extensively investigated by simulations.
Keywords :
IP networks; bandwidth allocation; probability; queueing theory; resource allocation; wireless channels; adaptive bandwidth allocation; delay margin based scheduling approach; future generation wireless networks; multiservice IP-based networks; probability; queuing architectures; user channel based scheduling; wireless channel; Bandwidth; Base stations; Channel allocation; Delay; Downlink; Linearity; Processor scheduling; Resource management; Wireless communication; Wireless networks;
Conference_Titel :
Global Telecommunications Conference, 2008. IEEE GLOBECOM 2008. IEEE
Conference_Location :
New Orleans, LO
Print_ISBN :
978-1-4244-2324-8
DOI :
10.1109/GLOCOM.2008.ECP.452