Routing and link-layer protocols for multi-channel multi-interface ad hoc wireless networks
Top Cited Papers
- 1 January 2006
- journal article
- Published by Association for Computing Machinery (ACM) in ACM SIGMOBILE Mobile Computing and Communications Review
- Vol. 10 (1), 31-43
- https://doi.org/10.1145/1119759.1119762
Abstract
Wireless technologies, such as IEEE 802.11a, that are used in ad hoc networks provide for multiple non-overlapping channels. Most ad hoc network protocols that are currently available are designed to use a single channel. However, the available network capacity can be increased by using multiple channels. This paper presents new protocols specifically designed to exploit multiple channels. Our protocols simplify the use of multiple channels by using multiple interfaces, although the number of interfaces per host is typically smaller than the number of channels. We propose a link layer protocol to manage multiple channels, and it can be implemented over existing IEEE 802.11 hardware. We also propose a new routing metric for multi-channel multi-interface networks, and the metric is incorporated into an on-demand routing protocol that operates over the link layer protocol. Simulation results demonstrate the effectiveness of the proposed approach in significantly increasing network capacity, by utilizing all the available channels, even when the number of interfaces per host is smaller than the number of channels.Keywords
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