The JMA EEW system disseminates a warning for the general public in an effort to mitigate damage from incoming strong motion.
Inter-vehicular geocast protocol (IVG) [9] is designed to disseminate an alert or warning message from a crashed vehicle to vehicles in zone of relevance (ZoR), which is defined by a vehicle position and a movement direction.
In this paper, we have presented a multi-hop broadcast protocol to efficiently disseminate emergency warning messages in a VANET.
Late Wednesday, Grinstein disseminated a memo to all employees warning that more jobs will be axed as Delta struggles to avoid bankruptcy.
When A encounters an emergency such as an accident, it wants to disseminate the warning to others involving B. However, because the distance D2 = L between A and B is larger than radio range r and both vehicles have the same speed, they cannot exchange information each other.
This work used the cooperative approach to develop the routing protocol named the Co-operative Volunteer Protocol (CVP), which uses volunteer vehicles to disseminate the warning message from the source to the target vehicle experiencing an NLOS situation.
In the first category, the proposed techniques use a contention mechanism to disseminate warning messages based on the distance between a receiver and a source node.
The disaster risk reduction includes delivery of tsunami early warning messages to officials and coastal residents, making tsunami hazard maps or probabilistic hazard assessments, construction of infrastructure such as speakers to disseminate the warning messages, seawalls, evacuation signs, and designated evacuation areas, as well as public education.
Average number of warning transmissions: Average number of warning message transmissions required to successfully disseminate all X warning messages.
Training and the empowerment of a volunteer network to receive and disseminate hazard warnings is regarded as an important stage in the implementation of EWS.
In a VANET, a broadcasting protocol is designed to disseminate information such as a warning message of accidents or critical events to other nodes around the source node.
