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The Wireless Emergency Alerts (WEA) system uses cellular broadcasts to send emergency messages to cell phones in the area affected by an emergency (target area or TA). The granularity of cell broadcast areas limits geotargeting accuracy and results in False Positives (cell phones outside the TA getting the emergency message) and/or False Negatives (cell phones in the TA not getting the message). We...
Ad-hoc networks are becoming an effective tool for many mission critical applications such as troop coordination in a combat field, situational awareness, etc. These applications are characterized by the hostile environment that they serve in and by the multicast-style of communication traffic. Therefore, authenticating the source and ensuring the integrity of the message traffic become a fundamental...
Multicast streams are the most popular traffic pattern in many applications of mobile ad-hoc networks (MANET). However, the mobility of nodes causes frequent changes to the network topology and thus efficient routing of multicast traffic becomes very challenging. The establishment of a core-mesh has been deemed as a very effective solution for these dynamic setups. The core-mesh acts as a backbone...
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