NDLI: Crosslayer design for distributed MAC and network coding in wireless ad hoc networks

Content Provider	IEEE Xplore Digital Library
Author	Sagduyu, Y.E. Ephremides, A.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Maryland Univ., College Park, MD (Sagduyu, Y.E.; Ephremides, A.)
Abstract	In this paper, we address the joint design and distributed implementation of medium access control (MAC) and network coding in wireless ad hoc networks. We consider a slotted wireless network with links modeled as classical collision channels. We assume omnidirectional packet transmissions and do not allow simultaneous transmission and reception by any node. These wireless network properties demand a new formulation of time-varying network coding with additional constraints that reflect the strong interactions with the underlying MAC operation. First, we outline how to construct network coding over a predetermined set of wireless network realizations with conflict-free transmission schedules. The wireless network realizations are separately activated using a time division mechanism and the network flows are chosen to optimize the performance measures (such as stable throughput or average energy costs) through wireless network coding. Next, we follow an alternative approach of joint wireless network coding and link scheduling with a distributed implementation. The analysis is based on decomposing wireless networks into subtrees and applying graph coloring on the simplified subtree network representations to derive the wireless network codes that are further converted to the conflict-free sets of transmission schedules. Finally, we extend network coding to operate with arbitrary single-receiver MAC protocols within each receiver's area
Starting Page	1863
Ending Page	1867
File Size	236642
Page Count	5
File Format	PDF
ISBN	0780391519
DOI	10.1109/ISIT.2005.1523668
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-04
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network coding Intelligent networks Ad hoc networks Wireless networks Mobile ad hoc networks Routing Media Access Protocol Throughput Cost function Energy measurement
Content Type	Text
Resource Type	Article

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