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Recently, wireless communications technologies have invaded several daily life fields such as Vehicular Ad-hoc Networks (VANETs). VANET networks are characterized by their high mobility. Clustering seems to be as one of the control schemes used to make this global topology less dynamic. In this sight, our paper introduces a clustering mechanism based for connectivity maintenance in VANET AODV-CV....
Named Data Networking (NDN) has been considered as a promising networking architecture for Vehicular Ad-Hoc Networks (VANETs). However, Interest forwarding in NDN suffers severe issues in vehicular environment. Broadcast storm results in much packet loss and huge transmission overhead. Also, link disconnection caused by highly dynamic topology leads to low packet delivery ratio. On the other hand,...
MANET networks (Mobile Ad hoc Networks) are a sub class of mobile and wireless networks. In this type of network, all the nodes are mobile and no fixed infrastructures are considered existing. Among the challenges of the MANET, the stability and the durability of the selected paths in the network. In a previous work, we proposed a solution to this challenge by taking into account the mobility of nodes...
A Mobile Adhoc Network (MANET) is self-possessed combination of mobile nodes. It has to be self-structured. The MANET has few specific goals. These are mobility extensions into wireless domain and autonomous mobile dominion. In this set of specified nodes that form adhoc network with routing infrastructure too. Multicasting is responsible for transferring information efficiently from a source to any...
This paper examines various types of networks their characteristics and parameters. It is also looks in current ongoing research on the field of localization and positioning and work related with localization that doesn't take into account the parameter of distance between SRs. Another type of localization is also commented which is the localization in Telemetry. In addition, issues of network coverage...
Aeronautical ad hoc networks (AANETs) can have a hybrid topology of intermittently connected clusters and mesh network. The hybrid network topology compounded with highly dynamic nature of AANET leads to variable connectivity in the network. The connectivity in the network for direct air-to-air communication between aircrafts is primarily a function of velocity of air vehicles, position of air vehicles,...
On-demand routing protocols for Mobile Ad Hoc Networks (MANETs) have been extensively studied. Generally, on-demand routing protocols establish routes by flooding route requests throughout the entire network, which is not a scalable approach. On the other hand, geographic routing protocols do not establish route a priory but route data packets in a greedy fashion towards the destination. When a packet...
Mobile communication and data services face a rapid growth and result in an ever increasing demand of bandwidth. As alternative to investing in the infrastructure by splitting cells down to nano or pico scale, this paper introduces and evaluates a concept for traffic data offloading to ad-hoc communication in terms of device-to-device communication. The idea is to combine infrastructure-aided route...
Energy and connectivity are basic as well as critical issues in MANET. Since each node is furnished with a limited battery power and has to perform several activities including forwarding/transmitting, receiving of packets and implementing security mechanisms etc., conservation of energy is essential. Since nodes keep moving arbitrarily in MANET, topology keeps changing. Therefore, connectivity is...
Within Mobile Ad-Hoc Network(MANETs) unusual categories of routing protocols have been determined. It is a group of wireless system. MANET is other susceptible to a variety of attack than wired system. Black hole attack is further meticulous intimidation to MANETs. The routing protocols of MANET is less protected and therefore consequenced the system with malicious node. There are various routing...
Maintaining coverage and connectivity is a conventional research problem in a sensor network. However, it is still a challenging research field due to the power constraint and connection vulnerability of the battery powered sensing devices. However now a days a network comprises of different mobile devices of different ranges. Still now, there is no comprehensive optimal solution for providing coverage...
This talk will recalling the vision and requirements of 5G from eMBB and IoT perspective, and then introduce the concept of user centric network, which could offer the best user experience anytime and anywhere. To achieve this target, multi-connection, user and service aware management, and flexible topology of the network deployment are proposed for 5G. With these advanced features, the user self-defined...
With collision free transmission at its core, Time Division Multiple Access (TDMA) is becoming increasingly popular for Mobile Ad-hoc Networks (MANETs). Each node is assigned a conflict free transmission schedule by slot assignment algorithm to avoid collisions in the transmission. As the slot assignment depends hugely on spatial reusing of slots for better bandwidth utilization, slot conflicts occur...
Heterogeneous Mobile Adhoc Network still encounters problem in dedicated services with robust link establishment. The reasons are not only conventional factor e.g. energy consumption, excessive bandwidth utilization, dynamic topology but also unconventional factor e.g. protocol differences. To a large extent, the evolution of Delay Tolerant Network has been successful in addressing the routing issues...
In this paper, we develop and study a model to identify cost optimized Multi-Path Entity (MPE) locations in the context of hybrid fixed and mobile access for a large German telecom operator. We consider the operator's network architecture as well as the related cost components including network elements and nodes. The objective is to support future network planning with a techno-economic sensitivity...
MANET (mobile ad hoc network) technology has become increasingly attractive for real-world applications in the past decade. Dynamic and intermittent connectivity caused by node mobility poses a huge challenge to the operation of MANETs that require end-to-end paths for communication. The attacks against critical nodes could result in a more degraded network service. In this paper, we evaluate the...
A Mobile Ad-hoc Network (MANET) has special characteristics such as dynamic topology, the absence of an administrative point and no fixed infrastructure. These features make it vulnerable to many attacks, such as the Denial of Service (DoS) attack. This type of attack deprives users of access to their legitimate services leading to degradation of the network. This paper posits the Monitor, Detect,...
The dynamic environment of hybrid mobile and fixed wireless networks used in military operations poses significant challenges in the efficient provisioning of software functionality to application clients. With their transient topology, the software services hosted on mobile nodes may become temporarily unavailable or the cost of transferring data across the network may become too high. To address...
There has been much work in the open literature on the use of cross-layer information and design to improve overall system performance in wireless networks operating in benign (non-hostile/non-jammed) environments. However, not much work has been devoted to developing a systematic cross-layer framework that lends itself well to housing alternative cross-layer design algorithms for contested networks...
Low-Power and Lossy-Network (LLN) are usually composed of static nodes, but the increase demand for mobility in mobile robotic and dynamic environment raises the question how the a routing protocol for Low-Power and Lossy-Networks such as (RPL) would perform in where a mobile sink is deployed. In this paper we investigate and evaluate the behaviour of the RPL protocol in fixed and mobile sink environments...
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