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13 - Electrical and Electronic Engineering, Metallurgy and Materials

Queen's University Belfast

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Article title

Accurate available bandwidth estimation in IEEE 802.11-based ad hoc networks

Type

D - Journal article

DOI

10.1016/j.comcom.2008.12.031

Title of journal

Computer Communications

Article number

Volume number

Issue number

First page of article

1050

ISSN of journal

0140-3664

Year of publication

2009

URL

Number of additional authors

Additional information

Despite the recent boom in WiFi networks, supporting QoS and estimating bandwidth remains a major challenge; no mechanism has been standardized to accurately evaluate available bandwidth. The proposed approach is unique in that it differentiates the channel busy caused by transmitting/receiving from that caused by carrier sensing, hence improving the accuracy when estimating bandwidth. The method outperforms others with the potential to be implemented in 802.11 WiFi receivers. The approach was adopted by University of California, Davis as part of their bandwidth estimation toolset. As a result of this research, collaboration in this area has been established with NUDT, China.

Interdisciplinary

Cross-referral requested

Research group

B - Digital Communications (Digi Comms)

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract