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Power-aware and QoS-aware resource m...

Zhu, Hao.

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Power-aware and QoS-aware resource management in wireless networks.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Power-aware and QoS-aware resource management in wireless networks./
作者:	Zhu, Hao.
面頁冊數:	180 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4686.
Contained By:	Dissertation Abstracts International65-09B.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3148697
ISBN:	0496071874

Power-aware and QoS-aware resource management in wireless networks.
Zhu, Hao.

Power-aware and QoS-aware resource management in wireless networks. - 180 p.

Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4686.

Thesis (Ph.D.)--The Pennsylvania State University, 2004.

With the advent of third generation wireless infrastructures and the rapid growth of wireless communication technology, people with battery powered mobile devices will have high-speed wireless data access at any time any place. However, due to the unique characteristics of wireless networks such as dynamic channel condition and limited energy supply, we cannot directly apply the existing resource management schemes designed for wired networks to wireless systems. Therefore, new techniques are needed for efficient resource management in wireless networks.

ISBN: 0496071874Subjects--Topical Terms:

626642
Computer Science.

Power-aware and QoS-aware resource management in wireless networks.
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500 $a Adviser: Guohong Cao.
502 $a Thesis (Ph.D.)--The Pennsylvania State University, 2004.
520 $a With the advent of third generation wireless infrastructures and the rapid growth of wireless communication technology, people with battery powered mobile devices will have high-speed wireless data access at any time any place. However, due to the unique characteristics of wireless networks such as dynamic channel condition and limited energy supply, we cannot directly apply the existing resource management schemes designed for wired networks to wireless systems. Therefore, new techniques are needed for efficient resource management in wireless networks.
520 $a In this thesis, we have designed and evaluated new scheduling schemes and medium access control (MAC) protocols that focus on power efficiency. QoS provision, fairness and bandwidth utilization in wireless networks. We first concentrate on prolonging the battery life of the mobile terminal by reducing the power consumption of the wireless network interface. Each mobile terminal uses its proxies to buffer data so that the wireless network interface can sleep for a long time period and tolerate the state transition delay. The base station applies our proposed scheduling schemes to service each flow in a power efficient way without loss of QoS requirements, and alleviates the impact of channel errors on QoS provision.
520 $a We then design the absence compensation fair queuing (ACFQ) model to improve service differentiation under bursty data traffic in wireless networks. To achieve good service differentiation without loss of QoS provision for each flow, an absence compensation model and an error compensation model are integrated into ACFQ. By the well-controlled absence compensations, ACFQ can provide much better service differentiation than the legacy fair queuing models (e.g. the weighted fair queuing) under bursty data traffic.
520 $a Finally, we propose the relay-enabled MAC protocols in the context of IEEE 802.11 based wireless networks. With the physical layer multi-rate capability, data can be transmitted at different rates according to the channel condition. As a result, when the transmission rate between the sender and the receiver is low, while high rates are available between the sender and the relay node and between the relay node and receiver, data can be delivered much faster through relay. (Abstract shortened by UMI.)
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