NDLI: Cooperative packet scheduling via pipelining in 802.11 wireless networks

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Cooperative packet scheduling via pipelining in 802.11 wireless networks

Content Provider	ACM Digital Library
Author	Kompella, Ramana Rao Ramabhadran, Sriram Ramani, Ishwar Snoeren, Alex C.
Abstract	The proliferation of 802.11a/b/g based wireless devices has fueled their adoption in many domains -- some of which are unforseen. Yet, these devices lack native support for some of the advanced features (such as service differentiation, etc.) required in specific application domains. A subset of these features relies on cooperative scheduling whereby nodes cooperate among each other to effectively manage resources such as power, throughput and interference in wireless networks. The trajectory of evolution in these devices has been primarily through new extension standards (such as 802.11e/s etc.) that offer support for these features. Plagued with long design cycles and cost overhead to upgrade, this process of upgrading creates an uphill task to users who want to use their wireless devices for different applications. In this paper, we argue that such cooperative scheduling extensions can be supported using a new layer on top of the existing MAC layer. We propose a 2½- pipeline architecture as a generic mechanism to create such domain specific extensions and propose two such protocols, SPARTA (power conservation) and ARGOS (throughput guarantees) over the native 802.11/b/g MAC layer.
Starting Page	35
Ending Page	40
Page Count	6
File Format	PDF
ISBN	1595930264
DOI	10.1145/1080148.1080156
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2005-08-22
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Streaming video Quality of service Power conservation 802.11 wireless networks Cooperative scheduling Proportional allocation
Content Type	Text
Resource Type	Article

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