Bandwidth Estimation in Wireless Lans for Multimedia Streaming Services | Zendy

Heung Ki Lee | Zendy; Varrian Hall | Zendy; Ki Hwan Yum | Zendy; Kyoung Ill Kim | Zendy; Eun Jung Kim | Zendy

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Bandwidth Estimation in Wireless Lans for Multimedia Streaming Services

Author(s) -

Heung Ki Lee,

Varrian Hall,

Ki Hwan Yum,

Kyoung Ill Kim,

Eun Jung Kim

Publication year - 2007

Publication title -

advances in multimedia

Language(s) - English

Resource type - Journals

eISSN - 1687-5699

pISSN - 1687-5680

DOI - 10.1155/2007/70429

Subject(s) - computer science , computer network , bandwidth (computing) , multi frequency network , scalability , wireless network , multimedia , dynamic bandwidth allocation , wireless , bandwidth allocation , protocol stack , wi fi array , wireless sensor network , telecommunications , database

The popularity of multimedia streaming services via wireless networks presents major challenges in the management of network bandwidth. One challenge is to quickly and precisely estimate the available bandwidth for the decision of streaming rates of layered and scalable multimedia services. Previous studies based on wired networks are too burdensome to be applied to multimedia applications in wireless networks. In this paper, a new method, IdleGap, is suggested to estimate the available bandwidth of a wireless LAN based on the information from a low layer in the protocol stack. We use a network simulation tool, NS-2, to evaluate our new method with various ranges of cross-traffic and observation times. Our simulation results show that IdleGap accurately estimates the available bandwidth for all ranges of cross-traffic (100 Kbps ∼ 1 Mbps) with a very short observation time of 10 seconds

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