An improved method for available bandwidth estimation in IEEE 802.11 ad hoc networks
An improved method for available bandwidth estimation in IEEE 802.11 ad hoc networks
- Author(s): Shengkai Chen ; Hong Liu ; Feng Lu ; Zhiyong Bu
- DOI: 10.1049/cp.2015.0749
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- Author(s): Shengkai Chen ; Hong Liu ; Feng Lu ; Zhiyong Bu Source: 11th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM 2015), 2015 page ()
- Conference: 11th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM 2015)
- DOI: 10.1049/cp.2015.0749
- ISBN: 978-1-78561-034-9
- Location: Shanghai, China
- Conference date: 21-23 Sept. 2015
- Format: PDF
Obtaining the accurate estimation of available bandwidth is precondition of QoS-guaranteed. In this paper, we proposed a novel available bandwidth estimation mechanism in 802.11 RTS/CTS by correct measurements of 1) a new coefficient, called channel utilization ratio, which considering the QoS of realtime multimedia, 2) overhead by the control messaging. Simulation result shows that taking the channel utilization ratio into consideration ensures the existing traffic in the network not to be affected by the new coming traffic after the estimation results are used. And the proposed scheme performs more accurately compared with ABE.
Inspec keywords: multimedia communication; bandwidth allocation; channel allocation; quality of service; telecommunication traffic; ad hoc networks
Subjects: Radio links and equipment; Multimedia; Control applications in radio and radar; Multimedia communications; Communication channel equalisation and identification
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