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The growing diffusion of wireless-enabled portable devices and the recent advances in Mobile Ad-hoc NETworks (MANETs) open new scenarios where users can benefit from anywhere and at any time for impromptu collaboration. However, energy…

Networking and Internet Architecture · Computer Science 2012-03-12 Rachid Haboub , Mohammed Ouzzif

This paper presents a new approach in the management of mobile ad hoc networks. Our alternative, based on mobile agent technology, allows the design of mobile centralized server in ad hoc network, where it is not obvious to think about a…

Networking and Internet Architecture · Computer Science 2010-07-15 Youcef Zafoune , Aicha Mokhtari , Rushed kanawati

The advent of ubiquitous computing and the proliferation of portable computing devices have raised the importance of mobile ad-hoc network. A major challenge lies in adapting multicast communication into such environments where mobility and…

Networking and Internet Architecture · Computer Science 2010-07-15 R. Manoharan , E. Ilavarasan

Organization, scalability and routing have been identified as key problems hindering viability and commercial success of mobile ad hoc networks. Clustering of mobile nodes among separate domains has been proposed as an efficient approach to…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-20 Damianos Gavalas , Grammati Pantziou , Charalampos Konstantopoulos , Basilis Mamalis

In the secure groupcast problem, a transmitter wants to securely groupcast a message with the maximum rate to the first $N$ of $K$ receivers by broadcasting with the minimum bandwidth, where the $K$ receivers are each equipped with a key…

Information Theory · Computer Science 2020-06-11 Hua Sun

The compound secure groupcast problem is considered, where the key variables at $K$ receivers are designed so that a transmitter can securely groupcast a message to any $N$ out of the $K$ receivers through a noiseless broadcast channel. The…

Information Theory · Computer Science 2020-05-01 Hua Sun

Mobile Ad-hoc Network (MANET) is a collection of autonomous nodes or terminals which communicate with each other by forming a multi-hop radio network and maintaining connectivity in a decentralized manner. The conventional security…

Cryptography and Security · Computer Science 2009-10-02 Renuka A. , K. C. Shet

Since communication signals are publicly exposed while they transmit across space, Ad Hoc Networks (MANETs) are where secured communication is most crucial. Unfortunately, these systems are more open to intrusions that range from passive…

Cryptography and Security · Computer Science 2023-05-01 B. Murugeshwari , R. Amirthavalli , C. Bharathi Sri , S. Neelavathy Pari

A mobile ad hoc network (MANETs) is a self-organizing system of mobile nodes that communicate with each other via wireless links with no fixed infrastructure or centralized administration such as base station or access points. Nodes in a…

Cryptography and Security · Computer Science 2009-09-09 V. Palanisamy , P. Annadurai

An ad hoc network is a self-organizing network with help of Access Point (AP) of wireless links connecting nodes to another. The nodes can communicate without infrastructure network. They form an random topology (BSS/ESS), where the nodes…

Cryptography and Security · Computer Science 2013-07-17 K. Karnavel , A. Baladhandayutham

Recently, the number of requests for multicast services through the wireless networks has been increased. However, for successful deployment, security and efficiency of content delivery must be provided at first. This paper presents a new…

Cryptography and Security · Computer Science 2012-08-29 Elina Eidkhani , Melisa Hajyvahabzadeh , S. Anahita Mortazavi , Alireza Nemaney Pour

This paper addresses an interesting security problem in wireless ad hoc networks: the Dynamic Group Key Agreement key establishment. For secure group communication in an Ad hoc network, a group key shared by all group members is required.…

Cryptography and Security · Computer Science 2010-07-02 Krishnan Kumar , Nafeesa Begum J , V. Sumathy

For a multi-source multi-terminal noiseless network, the key-dissemination problem involves the task of multicasting a secret key K from the network sources to its terminals. As in secure multicast network-coding, in the key-dissemination…

Information Theory · Computer Science 2022-05-20 Michael Langberg , Michelle Effros

Multicast allows sending a message to multiple recipients without having to create and send a separate message for each recipient. This preserves network bandwidth, which is particularly important in time-sensitive networks. These networks…

Networking and Internet Architecture · Computer Science 2025-10-24 Heiko Geppert , Frank Dürr , Simon Naß , Kurt Rothermel

Multicast device-to-device (D2D) transmission is important for applications like local file transfer in commercial networks and is also a required feature in public safety networks. In this paper we propose a tractable baseline multicast…

Information Theory · Computer Science 2016-11-18 Xingqin Lin , Rapeepat Ratasuk , Amitava Ghosh , Jeffrey G. Andrews

In multi-source multi-terminal key-dissemination, here called ``key-cast,'' introduced by the authors in [ITW2022], network nodes hold independent random bits, and one seeks a communication scheme that allows all terminal nodes to share a…

Information Theory · Computer Science 2024-07-03 Michael Langberg , Michelle Effros

Multicasting is effective when its group members are sparse and the speed is low. On the other hand, broadcasting is effective when the group members dense and the speed are high. Since mobile ad hoc networks are highly dynamic in nature,…

Networking and Internet Architecture · Computer Science 2009-12-08 A. Sabari , K. Duraiswamy

Many data dissemination and publish-subscribe systems that guarantee the privacy and authenticity of the participants rely on symmetric key cryptography. An important problem in such a system is to maintain the shared group key as the group…

Data Structures and Algorithms · Computer Science 2009-04-28 Agnes Chan , Rajmohan Rajaraman , Zhifeng Sun , Feng Zhu

In a multi-hop mobile ad hoc network (MANET) mobile nodes communicate with each other forming a cooperative radio network. Security remains a major challenge for these networks due to their features of open medium, dynamically changing…

Cryptography and Security · Computer Science 2010-10-26 Jaydip Sen

We consider the problem of establishing minimum-cost multicast connections over coded packet networks, i.e. packet networks where the contents of outgoing packets are arbitrary, causal functions of the contents of received packets. We…

Information Theory · Computer Science 2007-07-16 Desmond S. Lun , Niranjan Ratnakar , Muriel Medard , Ralf Koetter , David R. Karger , Tracey Ho , Ebad Ahmed , Fang Zhao