Abstract— In the world of network security, hetnet security is upcoming task in the era of evolution of fifth generation around 2020. The mobile device usage to handle cellular data which needs high level of security is increasing day by day.This data is used for various applications in different fields extensively, hence the attacks in an attempt to break security breach is also increasing. It is essential to provide security for network formed by small cells like picocell, femtocell and microcell. This paper deals with one of the approach to provide security to heterogeneous network from black hole kind of attack based on performance evolution using simulation of various network parameters in matlab to provide end to end authentication and security. The security to femtocell or picocell in hetnet not only help to send data at high speed in millimeter range but also increase coverage, capacity and efficiency of the network and reduce power requirement up to the greater extent. The heterogeneous network security solution focuses on how data level and network level security can be achieved by improving hetnet parameters to reduce the level of security breach and to achieve desired security.

HetNet, Communication node, Attacks, Routing Protocol, Security

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