ITEM - Implementation of Integrated TDMA and E-ASAP Module
نویسنده
چکیده
We present a new implementation of TDMA communication protocol for wireless sensor networks. The ITEM (Integrated TDMA E-ASAP Module) is a TinyOS 1.x module primarily determined for TelosB platform. It provides a TDMA (Time Division Multiple Access) communication protocol integrated with slot assignment protocol E-ASAP (Extended Adaptive Slot Assignment Protocol). The ITEM module deals with a collision free multi-hop communication, hidden-node problem and network structure changes. To achieve a good data throughput the EASAP sets the TDMA period individually for each node depending on the actual network structure. The current version of the ITEM module is implemented for TelosB and TmoteSky platforms.
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