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Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/45296

Title:	Performance Optimization for Uplink Transmission in IEEE 802.16e BWA Networks
Authors:	郭更生
Contributors:	IEEE
Date:	2008-01
Issue Date:	2010-10-06 09:18:32 (UTC+8)
Abstract:	This paper proposes an efficient approach to optimize the performance of uplink transmission in IEEE 802.16e BWA networks. First, an enhanced bandwidth request (BR) scheme is designed, which takes all uplink nrtPS/BE connections in the same subscriber station (SS) or a rtPS/ErtPS connection as a unit to request bandwidth, as well as defines unicast polling index to indicate whether a SS needs to be polled. This approach reduces the BR delay and the signaling overhead caused by the BR scheme in IEEE 802.16e. Meanwhile, through cross-layer optimization, a joint bandwidth allocation (BA) and packet scheduling scheme is proposed to balance the tradeoff between QoS provision and system throughput under effective admission control. The theoretical analyses and the simulation results show that our approach achieves significant improvements in QoS provision, BR signaling overhead, and system throughput.
Relation:	Proc. of 2008 IEEE Consumer Communications & Networking Conference
Data Type:	conference
DOI 連結:	http://dx.doi.org/10.1109/ccnc08.2007.103
DOI:	10.1109/ccnc08.2007.103
Appears in Collections:	[企業管理學系] 會議論文

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