EasyMap MAC protocol is a new and simple Medium Access Control protocol, which allows a wireless sensor network to operate with low power and good throughput. This new protocol is specially designed for the applications which collect data on a relatively regular schedule and which are required to last for a long period of time. EasyMap medium access control protocol fits especially well for the wireless networks in which the wireless sensor nodes are deployed in a linear topology − such as a wireless sensor network for bridge monitoring, oil pipe monitoring, power distribution system monitoring, etc. A special feature of this protocol is that each node transmits relatively short beacon message of its own in order to announce its presence and to send signalling information related to the availability timeslots. Such mechanisms address the hidden node problem and allow the sensor nodes to go to sleep for a large fraction of time and save energy. In this protocol, nodes are synchronized, and the time line consists of a series of superframes. Each superframe contains control timeslots and application timeslots. The relatively shorter length of the control timeslots and the consecutive placement of the control timeslots in a frame in EasyMap make more application timeslots available for data transmission or reception.
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Thesis advisor: Lee, Daniel C.
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