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This paper applies the theory of Evolutionary Game to QoS routing algorithm for wireless mesh networks which can not only improve the performance of traditional QoS routing protocols but also be able to reduce the cost of the routing algorithm.
Multi-path routing concept was largely exploited in wireless networks to provide benefits such as fault tolerance, load balancing, performance improvement in terms of latency, etc. In this paper, we propose a multi-path routing based protocol named MP-IMRR (Multi-path Intra-Mesh infrastructure Routing protocol) to improve our previously defined QoS based routing protocol for wireless mesh networks...
Opportunistic Routing is a new routing paradigm in wireless ad-hoc networks. In this paradigm, the packets are routed with no fixed and predetermined next hop in the network. Broadcast nature of wireless medium is used in opportunistic routing and the next hop will be selected of the receivers of a packet. A problem that has still remained in opportunistic routing is congestion occurrence along the...
MANET (Mobile Ad-hoc NETwork) is a wireless Ad-hoc network which has it's nodes working as transmitters and receivers. However, every node in a MANET will also be entrusted with the responsibility of being intermediaries to transmit and receive data for other nodes and thus act as routers. Nodes in a MANET can misbehave to save valuable resources, which can have a great impact on network performance...
Spectrum sensing is one of the most mandatory mechanisms of Cognitive Radio (CR) to find the unused Spectrum. Spectrum sensing has renewed on a very active scrutiny area over recent years. As it is one of the most important tasks performed using cognitive radio and the implementation of the other functions of the cognitive radio is based on the spectrum sensing. So it is mandatory for cognitive radio...
Wireless Body Area Networks (WBANs) consists of biosensors which are used for health monitoring and diagnostic purposes. Moreover, the biosensors are constrained to the issue such as link quality, delay and multihop energy consumption. In order to overcome these issue an Optimized Fuzzy based Swarm Routing (OFSR) is proposed for WBAN. In this technique, first selection of best node is done based on...
A Wireless cellular Ad-hoc network is a collection of wireless mobile hosts that makes a momentary network with or without a centralized management or wired infrastructure. This is the era of growing smart phone technology people are dependent on the service provided by phone so in this scenario providing quality of service is essential task for service providers. Smart phone is movable device user...
The purpose of this paper is improving the efficiency of data traffic management in wireless communication systems with distributed topological structure. Improvement of the efficiency of data traffic management can be possible using the principles that allow to take into account information about the state of the system at various levels of model OSI. As a result of the experimental test the efficiency...
In Wireless Mesh Networks (WMNs), supporting Quality of Service (QoS) to enable a rich portfolio of applications/real-time multimedia applications is foreseen to be vital for the success of next generation networking technologies. However, today's cutting edge standards are not perfectly equipped to cater to this task. These standards come with an inherent complexity and suffer from innate problems...
Wireless cellular network has recently emerged as one of the popular technologies for the next generation network due to the development of smart phone technologies which resulted in high mobility of user and achieving Quality of Service (QoS) for application like video conferencing, video streaming etc… requires an efficient multicast routing protocol which is one of the most key performance metrics...
Attracting much research attention recently, opportunistic routing and network coding are considered as extremely capable routing/coding schemes for boosting feasible throughput in wireless mesh networks featuring lossy links. Unfortunately, opportunistic routing schemes implicitly allow each individual flow to eagerly consume network resources without considering other concurrent flows. The selfish...
Achieving high Quality of Service (QoS) in routing is one of the major issues to be tackled in VANET. This is primarily due to the interference among vehicles and the objects present within the transmission environment. This also causes rapid degradation in transmitted signal and affects the overall system throughput. As a result, the system performance parameters such as delay, packet drop ratio...
Wireless Mesh Networks (WMNs) have been considered as a promising alternative to conventional wired networks, thanks to its flexibility and easy deployment. Thus, to ensure a satisfying level of QoS guarantees for real-time and streaming applications such as Voice over IP (VoIP) and Video on Demand (VoD), we propose a novel QoS based routing protocol for wireless mesh environments, called Hybrid QoS...
This paper describes performance evaluation of VoIP over wireless ad hoc networks using OPNET tool. The simulation study is completed by running VoIP application in different network scenarios with different routing protocols; namely: AODV, TORA and DSR and with different queuing techniques: FIFO, PQ and WFQ. The following performance parameters: the delay jitter, packet end-to-end delay, wireless...
The wireless Sensor Network is basically an application specific network. It is not possible to generalize an optimal solution for the WSN problems. It totally depends upon application selection and resource availability. Since in WSN a large no of sensor nodes are deployed so each sensor behaves as receptor and forwarder for the data from the source to sink. In WSN all nodes are not directly connected...
We consider the problem of joint routing, scheduling and power control in a multihop wireless network ensuring Quality of Service (QoS) to different users. The QoS to a user may be the stability of its queues in the network or a minimum rate guarantee. Transmission channels may experience fading. Power is consumed only for transmission of data. We consider the case when the power required is a linear...
Technological developments in the micro-electronics and wireless communications, in addition to obtain ability of cheap CMOS cameras and micro phones, have led to appearance of next generation networks known as Wireless Multimedia Sensor Networks (WMSNs). WMSN can retrieve image, video, audio and scalar sensor data from the physical environment. Wireless multimedia sensor networks will not only enhance...
In this paper, we present a novel QoS (quality of service) multicast routing protocol (QMRP) for partially mobile wireless TDMA (time division multiple access) networks. This protocol has been inspired by the typical requirements of industrial networked control systems, i.e., systems exhibiting real-time behavior and therefore requiring predictable communication bandwidths and transfer delays. QMRP...
Machine-to-Machine (M2M) communication enables many applications, which require ubiquitous wireless connections among objects and the surrounding environment. A general cognitive M2M network (CM2M) consists of multi-radio systems, involving primary system (PS) and secondary system(s) of cognitive machines under heterogeneous wireless architecture. However, inherited from dynamic spectrum access (DSA)...
Future dynamic wireless and online social networks will require more agile and efficient infrastructures to support the anticipated user traffic and service requirements. In response, in this work, we propose a novel spectrum-agile resource allocation approach that combines Markov Random Field (MRF) cross-layer decisions for the allocation of resources at the lower protocol layers with Back-pressure...
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