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Wireless Networks & Communication INTRODUCTION

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Added on  2021-02-21

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Wireless Networks & Communication INTRODUCTION 3 Introduction of papers 3 Description of methodologies 4 Comparison of results4 Advantage/disadvantage of papers5 Future direction 6 CONCLUSION 6 REFERENCES 7 INTRODUCTION In present times wireless technologies are been highly used in network. It is a technique which enables in sending of data from one computer to another in a network. 1 Introduction of papers In wireless communication there are several protocols exits which are useful in reducing system waiting time. Similarly, the use of AR

Wireless Networks & Communication INTRODUCTION

   Added on 2021-02-21

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Table of ContentsINTRODUCTION...........................................................................................................................3Introduction of papers..................................................................................................................3Description of methodologies......................................................................................................4Comparison of results..................................................................................................................4Advantage/disadvantage of papers..............................................................................................5Future direction............................................................................................................................6CONCLUSION................................................................................................................................6REFERENCES................................................................................................................................72
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INTRODUCTION`In present times wireless technologies are been highly used in network. It hastransformed the overall communication process. There are several tools and devices used innetwork to improve its bandwidth and increase range. Also, it has expanded scope of connectingdevices by sending wireless signals. Basically, there are two types of connection used in this thatis packet and circuit switching. In packet, message is broken and then transmitted throughdifferent routes but in circuit two nodes are connected together. It is a technique which enables insending of data from one computer to another in a network. Moreover, many advancetechnologies are also available in network. The data is broken into packets more frequently andsent to destination quickly. This report will compare two research papers and analyse it. Introduction of papersIn wireless communication there are several protocols exits which are useful in reducingsystem waiting time. Similarly, the use of ARQ in wireless network reduces system waiting timeand energy. In this transmission process is modulated by Markov chain. The main error thatoccurs in data transmission is automatic repeat request (ARQ). Cooperative communication isemerging as new technology. It increases diversity gains and reduced PER of wireless system. Ituses ARQ protocol. There is another technique that is used which is CARQ. Recently CARQprotocol is used in communication (Li, Zhou and Zhou, 2014). The wireless sensor network isa technology used to control errors. In MARQ average waiting time and energy efficiency isobtained. There are two destination nodes in MCARQ. The transmission process is divided intothree state Markov chain that is 0, 1 and 2. In that packets entering in buffer are independent andrandom variables. ARQ protocol is used to improve user throughput. It is important to reduceenergy consumption in wireless network as it supports in improving efficiency and performanceof network. The Geom model is based on first come first service. Here, l denotes packet lengthand Tr time of transmission. So, packet service rate is calculated by ρ = λ/μ. In this S denote totaltime taken by packet to transmit from sender to receiver. In a network there are many multimedia applications are used. It enables in end to endencryption of data. VOiP application is generally used which reduced packet loss. It works onstandard algorithm. E2E delay indicates degradation of performance in both AN and wired CN.In most of wired technology error recovery mechanism is used. This enables in preventingimpact into higher layer (Liberal, Taboada and Fajardo, 2014). In e2e performance plays a vital3
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