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Delay Tolerant Wireless Sensor Networks (DTWSNs) are sensor networks where continuous connectivity between the sensor nodes and their final destinations (e.g., the base station) cannot be guaranteed. Storage constraints are particularly a concern in DTWSNs, since each node may have to store sensed data for a long period of time due to intermittent communication while continuously collecting data....
Unattended Wireless Sensor Networks (UWSNs) operating in hostile environments face great security and performance challenges due to the lack of continuous real-time communication between senders (sensors) and receivers (e.g., mobile data collectors, static sinks). The lack of real-time communication forces sensors to accumulate the sensed data possibly for long time periods, along with the corresponding...
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