In V2V-AEB (Vehicle to Vehicle Communication-Autonomous Emergency Braking) system, information detected by the onboard sensor of a vehicle is shared over the V2V network. So that all vehicles can use the shared information to prevent potential collisions. In V2V-AEB system, a major issue to be resolved is the message explosion, which results in message delay in the V2V network. For example, if there are m vehicles in a scenario and each vehicle detects n objects, and they generate one message for each detected object. Then, there will be m× n messages in the scenario. This may lead to communication overload, which results in communication delay due to packet collision and processing delay as each vehicle will be required to process m × n messages and processing these many messages requires time. In this paper, we try to answer a question:​ how to reduce the communication delay and the message processing delay in the V2V-AEB network. This paper provides various method to reduce communication delay and message processing delay in V2V-AEB system. The proposed method prevents sending messages related to the pedestrian who is not likely to cause a collision (like the pedestrian who are walking on the sidewalk or who are standing off the road). The other method is grouping the pedestrians with similar features in one message, thus reducing the number of messages in the system, which results in the decrease of the communication and message processing delay. The paper also discusses a method to prevent jamming of the network.