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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Miller, C. Poellabauer, C. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. of Comput. Sci. & Eng., Univ. of Notre Dame, Fremantle, WA (Miller, C.; Poellabauer, C.) |
| Abstract | Re-tasking and remote programming of sensor networks is an essential functionality to make these networks practical and effective. As the availability of more capable sensor nodes increases and new functional implementations continue to be proposed, these large collections of wireless nodes will need the ability to update and upgrade the software packages they are running. Standard flooding mechanisms are too energy-costly and computationally expensive and they may interfere with the network's current tasks. A reliable method for distributing new code or binary files to every node in a wireless sensor network is needed. This paper proposes a more effective method, called PALER (push aggressively with lazy error recovery), which builds upon the previously proposed PSFQ protocol [1], a reliable transport protocol which slowly paces the propagation of file segments, but uses an aggressive local recovery method to avoid packet implosion due to loss propagation. PALER uses a more aggressive pushing mechanism and reduces the recovery mechanism to a single inclusive NACK. Furthermore, PALER uses local neighbor information to reduce redundant transmissions. This paper studies this new protocol's energy efficiency and shows that it scales well to higher densities and field sizes. |
| Starting Page | 206 |
| Ending Page | 214 |
| File Size | 196757 |
| Page Count | 9 |
| File Format | |
| ISBN | 9781424417773 |
| DOI | 10.1109/SAHCN.2008.34 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-06-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Transport protocols Wireless sensor networks Energy efficiency Capacitive sensors Broadcasting Delay Propagation losses Batteries Computer network reliability Computer science |
| Content Type | Text |
| Resource Type | Article |
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