scholarly journals Enhancement of QOS for Multi-user Environment in Cognitive Radio Network

2020 ◽  
Vol 9 (3) ◽  
pp. 2505-2510
Keyword(s):  
Quality Of Service ◽  
Cognitive Radio ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Delivery Ratio ◽  
On Demand ◽  
Path Distance ◽  
Water Filling ◽  
Distance Vector

CRT(Cognitive radio technology) enhances the utilization of available better spectrum in the channel. So to provide better Quality of Service for the user in this paper the Localizability aided localization(LAL) and Water filling Methodologies are proposed. This paper analyzes the routing protocols like AOMDV(Ad-hoc On-demand Multi-path Distance Vector routing), DSR (Dynamic Source Routing) and AODV (Ad-hoc On-Demand Distance Vector). Considering the AODV as the existing routing protocol, this paper proposed with AOMDV and DSR routing algorithms for Localizability aided localization(LAL) and Water filling methodologies respectively. Current work on improving Quality of Service, the different routing protocols are proposed in this paper. The main factors analyzing in this paper are throughput, PDR( packet delivery ratio) and Delay. The simulation results will confirm the accuracy of the proposed techniques.

A Multi-Agent Ad Hoc On-Demand Distance Vector for Improving the Quality of Service in MANETs

2018 ◽  
Author(s):  
Salama A. Mostafa ◽  
Alicia Y.C. Tang ◽  
Mustafa Hamid Hassan ◽  
Mohammed Ahmed Jubair ◽  
Shihab Hamad Khaleefah
Keyword(s):  
Quality Of Service ◽  
Ad Hoc ◽  
On Demand ◽  
Multi Agent ◽  
Distance Vector

scholarly journals Analysis of Quality of Service for the AOMDV Routing Protocol

2013 ◽  
Vol 3 (1) ◽  
pp. 359-362 ◽  
Author(s):  
V. B. Kute ◽  
M. U. Kharat
Keyword(s):  
Quality Of Service ◽  
Routing Protocol ◽  
Ad Hoc ◽  
Route Failure ◽  
Qos Guarantees ◽  
Path Distance ◽  
Distance Vector ◽  
Hoc Networks ◽  
Single Path

Due to the dynamic nature of Mobile Ad-hoc Networks  (MANETs), the provision of Quality of Service (QoS) guarantees is challenging. The route failure probability in a MANET is increased due to the mobility of nodes, which increases routing overhead. Multi-path routing protocols have relatively greater ability to reduce the routing overheads.  This paper discuses the performance analysis of the Ad-hoc On-Demand Multi-Path Distance Vector (AOMDV) routing protocol. AOMDV is a multi-path extension of a very well known single path routing protocol, (AODV). Extensive simulations were carried out using ns-2.34 and the study concluded that for CBR traffic AOMDV performance degrades as the data packet generation rate increases.

scholarly journals Mobile ad-hoc network routing protocols of time-critical events for search and rescue missions

2021 ◽  
Vol 10 (1) ◽  
pp. 192-199
Author(s):  
Marwan Hamid Hassan ◽  
Salama A. Mostafa ◽  
Hairulnizam Mahdin ◽  
Aida Mustapha ◽  
Azizul Azhar Ramli ◽  
...  
Keyword(s):  
Routing Protocols ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Search And Rescue ◽  
Delivery Ratio ◽  
Critical Events ◽  
On Demand ◽  
Distance Vector ◽  
Mobile Ad Hoc ◽  
Time Critical

The most important experiences we discovered from several disasters are that cellular networks were vulnerable, and the loss of the communication system may have a catastrophic consequence. Mobile ad-hoc networks (MANETs) play a significant role in the construction of campus, resident, battlefield and search/rescue region. MANET is an appropriate network for supporting a communication where is no permanent infrastructure. MANET is an effective network that uses to establishing urgent communication between rescue members in critical situations like, disaster or natural calamities. The sending and receiving data in MANET is depending on the routing protocols to adapt the dynamic topology and maintain the routing information. Consequently, This paper evaluates the performance of three routing protocols in MANET: ad-hoc on-demand distance vector (AODV), destination sequenced distance vector (DSDV), and ad-hoc on-demand multipath distance vector (AOMDV). These protocols are inherent from different types of routing protocols: single-path, multi-path, reactive and proactive mechanisms. The NS2 simulator is utilized to evaluate the quality of these protocols. Several metrics are used to assess the performance of these protocols such: packet delivery ratio (PDR), packet loss ratios (PLR), throughput (TP), and end-to-end delay (E2E delay). The outcomes reveal the AOMDV is the most suitable protocol for time-critical events of search and rescue missions.

scholarly journals Video streaming over Ad hoc on-demand distance vector routing protocol

2019 ◽  
Vol 8 (3) ◽  
pp. 863-874
Author(s):  
Othman O. Khalifa ◽  
Diaa Eldin Mustafa Ahmed ◽  
Aisha Hassan Abdalla Hashim ◽  
Mudathir Yagoub
Keyword(s):  
Video Streaming ◽  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Delivery Ratio ◽  
On Demand ◽  
Aodv Protocol ◽  
Simulation Based ◽  
Distance Vector ◽  
Hoc Networks

Video streaming is content sent in compressed form over the netwoks and viwed the users progressively. The transmission of video with the end goal that it can be prepared as consistent and nonstop stream. The point is that to give client support to client at anyplace and at whatever time. Mobile Ad hoc Networks (MANETs) are considered an attractive nertwork for information transmission in many applications where the customer programme can begin showing the information before the whole record has been transmitted. Ad hoc On-demand Distance Vector (AODV) protocol is considered as one of the most important routing protocols in MANET. However, routing protocols assume a crucial part in transmission of information over the network. This paper investigates the performance of AODV Routing Protocol under video traffic over PHY IEEE 802.11g. The protocol model was developed in OPNET. Different outcomes from simulation based models are analyzed and appropriate reasons are also discussed. A different scenarios of video streaming were used. The metric in terms of throughput, end to end delay, packet delivery ratio and routing overhead were measured. A comparision with GRP and GRP are also reported.

scholarly journals Routing Protocols for Mobile Ad Hoc Network - A Survey and Analysis

2017 ◽  
Vol 7 (3) ◽  
pp. 795
Author(s):  
Rahul M Desai ◽  
B P Patil ◽  
Davinder Pal Sharma
Keyword(s):  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Delivery Ratio ◽  
On Demand ◽  
Distance Vector ◽  
Mobile Ad Hoc ◽  
Demand Routing

<p class="Default">Ad hoc networks are mobile wireless networks where each node is acting as a router. The existing routing protocols such as Destination sequences distance vector, Optimized list state routing protocols, Ad hoc on demand routing protocol, Ad hoc on demand multipath routing protocol, Dynamic source routing are optimized versions of distance vector or link state routing protocols.  In this paper, existing protocols such as DSDV, AODV, AOMDV, OLSR and DSR are analyzed on 50 nodes Mobile Ad Hoc network with random mobility. Packet delivery ratio, delay, control overhead and throughput parameters are used for performance analysis.</p>

scholarly journals Evaluasi Kinerja Testbed Routing Protocol berbasis NodeMCU ESP8266 pada Perangkat IoT

MIND Journal ◽  
2021 ◽  
Vol 5 (2) ◽  
pp. 135-148
Author(s):  
HERIANSYAH HERIANSYAH ◽  
AHMAD REYNALDI NOPRIANSYAH ◽  
SWADEXI ISTIQPHARA
Keyword(s):  
Quality Of Service ◽  
Internet Of Things ◽  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Packet Delivery Ratio ◽  
Delivery Ratio ◽  
Packet Delivery ◽  
Delay Jitter

AbstrakJaringan Ad hoc pada perangkat Internet of Things (IoT) mempunyai sifat yang yang dinamis dengan node pada jaringan yang berperan sebagai router dan bergerak bebas secara random tanpa bantuan infrasturktur komunikasi sehingga topologi berubah sangat cepat seiring dengan perubahan posisi. Perubahan ini sangat mempengaruhi kualitas layanan pada perangkat IoT itu sendiri. Penelitian ini bertujuan untuk mengevaluasi protocol routing yang sudah ada dengan cara mengimplementasikan routing protocol tersebut di perangkat testbed berbasis NodeMCU ESP8266. Hal ini bertujuan untuk memilih protocol routing yang paling optimal sebelum proses implementasi dilaksanakan. Pengujian ini berlaku untuk routing protocol yang sudah ada maupun yang baru. Kinerja protocol jaringan  diukur melalui nilai  Quality of Service (QoS) ditempatkan pada scenario berbeda yang terdiri dari throughput, delay, jitter, dan packet delivery ratio sesuai dengan perbedaan beban jaringan, mobilitas, dan ukuran jaringan. Hasil penelitian ini menunjukkan bahwa testbed  yang dibangun berhasil mensimulasikan routing protocol yang ada untuk menghasilkan QoS yang baik pada perangkat IoT.Kata kunci: IoT, routing protocol, testbed, QoS.AbstractAd hoc networks on Internet of Things (IoT) devices have dynamic characteristics where the nodes on this network can operate as routers and move freely randomly without using any communication infrastructure so that the topology changes very quickly along with changes in position. This adjustment has a significant impact on the IoT device's service quality. This study aims to evaluate the existing routing protocols by implementing the routing protocol in a testbed based on NodeMCU ESP8266. It aims to choose the most optimal routing protocol before the implementation process is carried out. This test applies to both existing and new routing protocols. Network protocol performance is measured by the Quality of Service (QoS) value which includes throughput, delay, jitter, and packet delivery ratio in different scenarios based on network load, mobility, and different network sizes. The results show that this study was successful in simulating routing protocol in order to provide good QoS on IoT devices.Keywords: IoT, routing protocol, testbed, QoS.

scholarly journals An Optimized and Efficient Routing Protocol Application for IoV

2021 ◽  
Vol 2021 ◽  
pp. 1-32
Author(s):  
Kiran Afzal ◽  
Rehan Tariq ◽  
Farhan Aadil ◽  
Zeshan Iqbal ◽  
Nouman Ali ◽  
...  
Keyword(s):  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Delivery Ratio ◽  
Packet Delivery ◽  
Link State ◽  
On Demand ◽  
Distance Vector ◽  
Optimized Link State Routing ◽  
Better Than

IoV is the latest application of VANET and is the alliance of Internet and IoT. With the rapid progress in technology, people are searching for a traffic environment where they would have maximum collaboration with their surroundings which comprise other vehicles. It has become a necessity to find such a traffic environment where we have less traffic congestion, minimum chances of a vehicular collision, minimum communication delay, fewer communication errors, and a greater message delivery ratio. For this purpose, a vehicular ad hoc network (VANET) was devised where vehicles were communicating with each other in an infrastructureless environment. In VANET, vehicles communicate in an ad hoc manner and communicate with each other to deliver messages, for infotainment purposes or for warning other vehicles about emergency scenarios. Unmanned aerial vehicle- (UAV-) assisted VANET is one of the emerging fields nowadays. For VANET’s routing efficiency, several routing protocols are being used like optimized link state routing (OLSR) protocol, ad hoc on-demand distance vector (AODV) routing protocol, and destination-sequenced distance vector (DSDV) protocol. To meet the need of the upcoming era of artificial intelligence, researchers are working to improve the route optimization problems in VANETs by employing UAVs. The proposed system is based on a model of VANET involving interaction with aerial nodes (UAVs) for efficient data delivery and better performance. Comparisons of traditional routing protocols with UAV-based protocols have been made in the scenario of vehicle-to-vehicle (V2V) communication. Later on, communication of vehicles via aerial nodes has been studied for the same purpose. The results have been generated through various simulations. After performing extensive simulations by varying different parameters over grid sizes of 300 × 1500 m to 300 × 6000 m, it is evident that although the traditional DSDV routing protocol performs 14% better than drone-assisted destination-sequenced distance vector (DA-DSDV) when we have number of sinks equal to 25, the performance of drone-assisted optimized link state routing (DA-OLSR) protocol is 0.5% better than that of traditional OLSR, whereas drone-assisted ad hoc on-demand distance vector (DA-AODV) performs 22% better than traditional AODV. Moreover, if we increase the number of sinks up to 50, it can be clearly seen that the DA-AODV outperforms the rest of the routing protocols by up to 60% (either traditional routing protocol or drone-assisted routing protocol). In addition, for parameters like MAC/PHY overhead and packet delivery ratio, the performance of our proposed drone-assisted variants of protocols is also better than that of the traditional routing protocols. These results show that our proposed strategy performs better than the traditional VANET protocols and plays important role in minimizing the MAC/PHY and enhancing the average throughput along with average packet delivery ratio.

scholarly journals Performance Analysis of Enhanced Ad-Hoc on-Demand Distance Vector Routing Protocol in Smart Environment

2019 ◽  
Vol 8 (2) ◽  
pp. 1548-1554
Keyword(s):  
Quality Of Service ◽  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc ◽  
High Mobility ◽  
Mobile Network ◽  
Path Selection ◽  
Smart Environment ◽  
Distance Vector

MANETs have specific features that can satisfy the mobility and heterogeneous requirement of the smart environment. Smart applications need high Mobility, Bandwidth, Reliability and less Packet Loss and Delays; therefore, it is important to provide good Quality of Service (QoS) in such applications. So there is a dire need of identifying and exploring the relevant protocols that may be adapted for IoT enabled the smart environment. The routing protocols in smart environments are accountable for connectivity among nodes, fairness, quality of service, etc. Protocol & path selection is the main strategies to design any mobile network. The chosen protocol must have the best in term of data integrity and data delivery. Hence the analysis of the protocols become an essential step. This paper presents various securities and safety-related issues of MANET-IoT system, and also advocate the requirement of enhancing routing protocols in a smart environment. In this research, a new enhanced cache update technique is introduced in MANET protocol to make it enable for the upcoming smart environment. The enhanced algorithm helps to detect the malicious node and remove the stale route present in the network, no matter which traffic mode is used and in which direction nodes are moving. Cache is upgraded in such manner that all nodes in the way are notified about the misbehaving node and its adjacent neighbors’ nodes will not use misbehaving node while searching for the route. Here the analysis has been done taking a various number of nodes. Packet Delivery and Packet Lost are two key parameters taken for analysis purpose.

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