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The MIL-STD-188-220 is the military tactical wireless mobile ad-hoc communication standard which makes a smooth data and voice communication possible. This standard is known as the Interoperability Standard for Digital Message Transfer Device Subsystems. However, the standard has the problem to generate the meaningless traffic due to the failure of topology update, in the case of transmitting the...
Solutions for Vehicular Ad-Hoc Network (VANET) are challenging due to the intrinsic nature of the network which involves, by definition, node mobility, scarce or null fixed nodes and, at the current state of art, lack of solutions for the real-time tracking of positions. Moreover VANETs are meant to provide primarily a solution for the improvement of road safety, by the proper forwarding of messages:...
Broadcast is a critical component in ad-hoc wireless networks. Some vehicular network (VANET) applications in particular use broadcast communications extensively. VANETs exhibit a wide variety of node density and distribution patterns, so broadcast protocols designed to support these applications must be adaptive to those conditions. We show that the distance method of statistical broadcast can be...
Nowadays authentication in Wireless Mesh Networks (WMN) refers to the 802.1X authentication methods or a Preshared key authentication, and makes use of certificates or shared secrets. In wireless environments, management of certificates is disadvantageous. Certificates require deploying a Public Key Infrastructure (PKI) and Certification Authorities (CA) and they require defining a certificate management...
The IEEE Wireless Access in Vehicular Environments (WAVE) family of standards is the leading worldwide standardisation effort in terms of Dedicated Short Range Communications (DSRC). WAVE aims at defining a common set of requirements and functionalities, in order to enable intercommunication and interoperability between nodes in a Vehicular Ad hoc Network (VANET). Despite the concept of service as...
Privacy and security are two important issues in vehicular networks. Users wish to maintain location privacy and anonymity, meaning the identity, location/direction of move of their vehicles remains unknown to everybody with possible exception law enforcement authorities responsible by law to know and maintain such private information. In this paper, we propose a Pre-broadcast based Time Efficient...
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