scholarly journals A Distributed Token Passing Protocol for Time Constrained Data Gathering in VANETs

Electronics ◽  
2019 ◽  
Vol 8 (8) ◽  
pp. 823
Author(s):  
Francesco Chiti ◽  
Romano Fantacci ◽  
Francesca Nizzi ◽  
Laura Pierucci ◽  
Carlos Borrego
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Success Probability ◽  
Data Gathering ◽  
Information Gathering ◽  
Time Constraints ◽  
Novel Approach ◽  
Topology Changes ◽  
Token Passing ◽  
Information Amount

This paper proposes a novel approach for time constrained information gathering in a typical Vehicular Ad Hoc Network (VANET), based on a token passing scheme, adapted to wireless communications by creating a virtual ring where nodes are connected to a predecessor and a successor node. To address the typical fast topology changes of VANETs, we proposed a specific approach, called Tom Thumb that is a distributed protocol that node-by-node circulates a special packet, called token, which collects the information stored in each vehicle until returning to the first unit within a specified time constraint. The protocol has been properly designed in terms of (i) the more effective hop-by-hop and distributed heuristic implementing the objective function (ii) the token packet format, i.e., the syntax and semantics of its fields. Finally, the performance of the proposed approach is validated for different time constraints and numbers of vehicles, always pointing out a remarkable gain, especially in the presence of severe constraints, i.e., in terms of time deadline, collected information amount and success probability.

scholarly journals A Novel Approach for Reliable Route Discovery in Mobile Ad-Hoc Network

2015 ◽  
Vol 83 (2) ◽  
pp. 1519-1529 ◽  
Author(s):  
Shariq Mahmood Khan ◽  
R. Nilavalan ◽  
Abdulhafid F. Sallama
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Route Discovery ◽  
Novel Approach ◽  
Mobile Ad Hoc

Study on a Novel GIS-Based Routing Strategy

2014 ◽  
Vol 644-650 ◽  
pp. 2969-2972
Author(s):  
Yue Wei Wang ◽  
Ding Yi Ji
Keyword(s):  
Routing Protocols ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
High Mobility ◽  
Delivery Ratio ◽  
Scenario Simulation ◽  
Packet Delivery ◽  
Routing Strategy ◽  
Topology Changes ◽  
The City

Given a scenario of Vehicle Ad hoc Network (VANET), this paper presented a GIS-Based routing (GBR) strategy to resolve frequent reconstruction caused by rapid topology changes. Due to the use of road information based on GIS, the protocol can evade permanent or temporary topology holes respectively which frequently occurred in the city scenario. Simulation results showed new routing protocols could achieve better performance in packet delivery ratio and proved GBR’s lower routing overhead, as well as it is better performances in high mobility, compared with DSR in urban vehicle environment.

scholarly journals Disaster Management Using VANET

Webology ◽  
2021 ◽  
Vol 18 (02) ◽  
pp. 418-440
Author(s):  
Cynthia J. ◽  
J. Clement Sudhahar ◽  
Suguna M ◽  
Baskaran K.R ◽  
Senthil J ◽  
...  
Keyword(s):  
Disaster Management ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Data Dissemination ◽  
Location Data ◽  
Vehicle To Vehicle ◽  
Alert Message ◽  
Topology Changes ◽  
Recovery Strategies ◽  
Vehicle To Infrastructure

Disaster management is management of tasks involving responses to emergencies and methods of devising recovery strategies from havocs caused by nature. It assumes paramount importance now as the human surrounding has enormously become unpredictable owing to natural or man-made disasters. Consequence of disaster can be reduced by broadcasting of disaster alert to a defined radius that could be affected by the disaster. The objective of disaster management is to ensure energy economical and reliable communication that is resilient to network topology changes within the area. Vehicular ad hoc network (VANET) is efficiently utilized to transfer the disaster alert information. Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communication is used for disseminating the disaster alert message. This study proposes an effective data acquisition from the disaster location, data dissemination to the neighbouring zones and disaster management using VANET technology.

scholarly journals Data acquisition time minimization in FANET-based IoT networks

2021 ◽  
Vol 49 (1) ◽  
Author(s):  
Alaa Taima Albu-Salih ◽  
◽  
Osama Majeed Hilal ◽  
Hayder Ayad Khudhair ◽  
◽  
...  
Keyword(s):  
Data Acquisition ◽  
Optimization Model ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Data Gathering ◽  
Acquisition Time ◽  
Iot Applications ◽  
Time Minimization ◽  
Efficient Data ◽  
Data Acquisition Time

Unmanned aerial vehicles (UAVs) is widely used in many military, and civilian applications. UAVs communicate in a Flying Ad hoc Network (FANET) environment where UAVs communicate with each other through an ad hoc network without infrastructure. FANET provide a flexible platform for internet of things (IoT) applications by playing different roles in IoT such as mobile data collector. In fact, in deadline based IoT applications, the deadline is restricted to the critical application level. And as a result, this deadline for data acquisition is not adequate, and FANET cannot collect data from the sensed area with the predetermined deadline. In this paper, a novel efficient data gathering approach for IoT using FANET is proposed. The main objective of this approach is to solve the problem of insufficient deadlines given by FANET in IoT-based deadline applications. Authors will first provide a multi-objective optimization model as a MILP optimization model to solve this problem, and then normalize and add two weighing coefficients to solve the MILP model. The results obtained in the simulation show that the proposed approach can provide efficient data acquisition while guaranteeing the deadline time.

A Novel Approach for Fake News Detection in Vehicular Ad-Hoc Network (VANET)

2020 ◽  
pp. 386-397
Author(s):  
Akshat Gaurav ◽  
B. B. Gupta ◽  
Arcangelo Castiglione ◽  
Kostas Psannis ◽  
Chang Choi
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Vehicular Ad Hoc Network ◽  
Fake News ◽  
Novel Approach

scholarly journals ASR-FANET: An adaptive SDN-based routing framework for FANET

2021 ◽  
Vol 11 (5) ◽  
pp. 4403
Author(s):  
Alaa Taima Albu-slaih ◽  
Hayder Ayad Khudhair
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Optimal Path ◽  
High Mobility ◽  
Topology Discovery ◽  
Mobile Adhoc Network ◽  
Network Connection ◽  
Topology Changes ◽  
The Status ◽  
Better Than

Flying ad hoc network (FANET) is widely used in many military, commercial and civilian applications. Compared with mobile adhoc network (MANET) and vehicular ad hoc network (VANET), FANET holds unique characteristics such as high mobility, intermittent links and frequent topology changes, which cause a challenging task in the design of routing protocols. A novel adaptive software defined networking (SDN)-based routing framework for FANET called ASR-FANET is proposed in this article to solve the above challenges. The ASR-FANET framework is mainly composed of three important parts, which are the topology discovery mechanism, statistics gathering mechanism and route computation mechanism. In topology discovery mechanism, the periodic information about network topology is collected, including nodes and links. In statistics gathering mechanism, the status of the wireless network connection and flight statistics are collected. In route computation mechanism, the optimal path is calculated based on link costs. The performance of ASR-FANET framework is also has been evaluated by comprehensive simulations. The simulation results show that proposed framework is much better than other traditional protocols in packet delivery fraction, average end to end delay, normalized routing load, packet loss and throughput.

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