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Int. J. Wirel. Networks Broadband Technol.最新文献

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Impact of Frame Duration and Modulation Coding Schemes With WiMAX Bandwidth Asymmetry in Transmission Control Protocol Variants 传输控制协议变体中WiMAX带宽不对称对帧长和调制编码方案的影响
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/ijwnbt.2019010103
K. C. Bandhu, A. Bhansali
{"title":"Impact of Frame Duration and Modulation Coding Schemes With WiMAX Bandwidth Asymmetry in Transmission Control Protocol Variants","authors":"K. C. Bandhu, A. Bhansali","doi":"10.4018/ijwnbt.2019010103","DOIUrl":"https://doi.org/10.4018/ijwnbt.2019010103","url":null,"abstract":"WiMAX stands for Worldwide Interoperability for Microwave Access which is based on IEEE 802.16 specification and is considered as de facto standard for the broadband wireless data transfer over the internet. The different values of various WiMAX parameters for different TCP variants may affect the performance of the network. This article compares the performance of different TCP variants with bandwidth asymmetry, frame duration, and modulation coding schemes, along with the operating parameter namely number of wireless nodes. During the simulation study the performance was evaluated only for one-way data transfer. The finding suggests that the TCP New Reno performed better than other variants included in the simulation study for the comparison. The performance was measured on the basis of throughput, goodput and packets dropped.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134272763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Implementation of Dedicated Short Range Communications Combined with Radar Detection for Forward Collision Warning System 前方碰撞预警系统专用近程通信与雷达探测相结合的实现
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/ijwnbt.2012010104
Ming-Fong Tsai, N. Chilamkurti, Ping-Fan Ho, Yin-Chih Lu
{"title":"Implementation of Dedicated Short Range Communications Combined with Radar Detection for Forward Collision Warning System","authors":"Ming-Fong Tsai, N. Chilamkurti, Ping-Fan Ho, Yin-Chih Lu","doi":"10.4018/ijwnbt.2012010104","DOIUrl":"https://doi.org/10.4018/ijwnbt.2012010104","url":null,"abstract":"The Forward Collision Warning System (FCWS) has become an important research topic in recent years. Many FCWS products are used in the real world. However, these FCWS products cannot provide emergency braking events warning from the vehicle in front. Hence, this paper proposes a Dedicated Short Range Communications (DSRC) system combined with radar detection for an FCWS mechanism. The mechanism proposed by this paper will actively probe the emergency brakes of the vehicle in front and broadcast warning information with the Global Positioning System (GPS) position. Moreover, this mechanism uses warning information based on the GPS position to calculate the time of collision in order to alert the driver.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132311220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Experimental Performance Evaluation of RPL Protocol for IPv6 Sensor Networks IPv6传感器网络RPL协议的实验性能评价
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/ijwnbt.2020010103
Belghachi Mohammed, Debab Naouel
{"title":"Experimental Performance Evaluation of RPL Protocol for IPv6 Sensor Networks","authors":"Belghachi Mohammed, Debab Naouel","doi":"10.4018/ijwnbt.2020010103","DOIUrl":"https://doi.org/10.4018/ijwnbt.2020010103","url":null,"abstract":"Inthisarticle,theauthorsproposeanewapproachtomeetvariousQoSrequirementsfromdifferent kindsoftraffic;thus,maximizingnetworkutilization,whileimprovingitsperformance.Theauthors designanobjectivefunctionbasedonantcolonyoptimization(ACO).Theauthorsusethedelay, energy,packetloss,andmemoryastheroutingmetricofthenodesinthepreferredparentselection processfortheRPLprotocoltobuildtheDODAGstructure.After,theauthorsimplementitinan experimentaltestbeddeployedinrealscenarios,andthentheauthorscomparetheresultswithRPL basedonETX. KEyWoRdS IoT, LLNs, Performance Evaluation, QoS, RPL Routing Protocols, Test Beds","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124057346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Performance Analysis of TCP Newreno Over Mobility Models Using Routing Protocols in MANETs 基于路由协议的TCP Newreno在移动模型上的性能分析
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/IJWNBT.2021070101
Rajnesh Singh, Neeta Singh
{"title":"Performance Analysis of TCP Newreno Over Mobility Models Using Routing Protocols in MANETs","authors":"Rajnesh Singh, Neeta Singh","doi":"10.4018/IJWNBT.2021070101","DOIUrl":"https://doi.org/10.4018/IJWNBT.2021070101","url":null,"abstract":"A MANET is a collection of nodes connected wirelessly that try to converse with each other with no need for any central control or infrastructure establishment. The model of mobility depicts the poignant nature of every node which is mobile in MANETs that is considered to be realistic. It plays a vital role in measuring the performance of MANETs. Mobility is considered to be the prime motive in simulation, because it is a huge influence over the design and network's performance due to limitation in resources and it lead to packet delivery ratio (PDR), varying velocity node energy (NE). Lots of work has been done to improve the above problems. Therefore, there is a requirement of more improvement in this area to enhance overall performance of mobility models. This paper presents a comparative simulation-based analysis of Gauss Markov, Manhattan, and random waypoint mobility models over TCP Newreno that uses a DSDV and AODV routing protocols. Moreover, experiment results and performance analysis have been performed with PDR and NE of the varying number of mobile nodes.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128951848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study on Channel Sharing for Congestion Control in WSN MAC Protocols WSN MAC协议中用于拥塞控制的信道共享研究
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/IJWNBT.2017010102
A. Khan, S. Ghani, S. Siddiqui
{"title":"A Study on Channel Sharing for Congestion Control in WSN MAC Protocols","authors":"A. Khan, S. Ghani, S. Siddiqui","doi":"10.4018/IJWNBT.2017010102","DOIUrl":"https://doi.org/10.4018/IJWNBT.2017010102","url":null,"abstract":"","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127259547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Receiver Diversity for Distributed Detection in Wireless Sensor Networks 无线传感器网络中分布式检测的接收机分集
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/ijwnbt.2012010101
M. Al-jarrah, M. Al-Ibrahim
{"title":"Receiver Diversity for Distributed Detection in Wireless Sensor Networks","authors":"M. Al-jarrah, M. Al-Ibrahim","doi":"10.4018/ijwnbt.2012010101","DOIUrl":"https://doi.org/10.4018/ijwnbt.2012010101","url":null,"abstract":"In this paper, parallel distributed detection in wireless sensor network (WSN) is considered where the sensors process the observations to make local decisions and send these decisions to a central device called fusion center. Receiver diversity technique is proposed here for the distributed detection system in order to enhance the system reliability by improving the detection performance. The fusion center is assumed to be multiple antennas device in order to imply the idea of receiver diversity. Different combining schemes at the fusion center side are used to reduce the fading effects in the case of receiver diversity. Transmitter diversity is also considered in this paper. Cooperative sensors are assumed in order to obtain Alamouti space time block codes. Optimal and sub-optimal fusion rules are derived for each case study. Simulation results show the performance improvement obtained as compared to the conventional distributed detection system in which no diversity is used.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131890325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
WiFiMon: A Tool for Wi-Fi Performance Monitoring and Verification WiFiMon: Wi-Fi性能监控与验证工具
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/IJWNBT.2019010101
C. Bouras, K. Baumann, V. Kokkinos, Nikolaos Papachristos, K. Stamos
{"title":"WiFiMon: A Tool for Wi-Fi Performance Monitoring and Verification","authors":"C. Bouras, K. Baumann, V. Kokkinos, Nikolaos Papachristos, K. Stamos","doi":"10.4018/IJWNBT.2019010101","DOIUrl":"https://doi.org/10.4018/IJWNBT.2019010101","url":null,"abstract":"Measuring network quality of awireless network as experienced by end-users is quite difficult, asthereisnotasingletoolavailablethatcanrecordmeasurementsonallsidesofthesystem.The approachpresentedinthisresearchworkisbasedontheend-userfeedback,givingtheopportunity ofvisualizationofnetworkperformanceinrealtime.Thispaperinitiallypresentsanoverviewofthe developedtool,calledWiFiMon,whichhastheabilitytocapture,recordmeasurementsandexport statisticsonthequalityofWi-Finetworkasperceivedbytheend-users.Themeasurementsareinitiated bytheend-users—withouttheirintervention—aftertheyvisitawebpageoruseamobileapplication. WiFiMonaimstogiveaclearunderstandingoftheWi-Finetworkconditionsbymeasuringspecific parametersofthenetwork,suchasdownload/uploadthroughput,andcorrelatethesemeasurements withrawdatafromvariouslogfilestoobtainadditionalinformationregardingtheperformanceof specificaccesspoints.Theresultsrevealthefunctionalityoftheproposedtoolanditsscalability.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116460419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Wireless Femto-Relays: A New Model for Small Cell Deployments 无线飞托中继:小型蜂窝部署的新模型
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/ijwnbt.2015010104
Nikolaos Nomikos, Prodromos Makris, D. Skoutas, D. Vouyioukas, C. Skianis
{"title":"Wireless Femto-Relays: A New Model for Small Cell Deployments","authors":"Nikolaos Nomikos, Prodromos Makris, D. Skoutas, D. Vouyioukas, C. Skianis","doi":"10.4018/ijwnbt.2015010104","DOIUrl":"https://doi.org/10.4018/ijwnbt.2015010104","url":null,"abstract":"The continuous increase in mobile data traffic creates the need for radical innovations in the mobile broadband system design. Heterogeneous networks (HetNets) deployment paradigm is an emerging research trend considered as the most significant aspect for meeting the mobile data challenge, mainly by proposing spectral efficiency enhancements and cell capacity gains from an overall system perspective. Two are the main challenges that dense small cell networks are facing: a) various types of interference mainly caused by unplanned deployments, and b) limited and Quality of Service (QoS)-unreliable wired backhaul links. In this paper, the authors propose a model where femtocells' and relays' complementary characteristics are effectively exploited into femto-relays. More specifically, the authors describe four main functionalities of this model: a) interference protection, b) two-fold backhaul alternatives (i.e. wired and wireless backhaul), c) opportunistic femto-relay selection, and d) full-duplex in-band relaying. To evaluate the anticipated technical impact of the proposed model, targeted simulation results are presented for a campus topology where femto-relays are compared with classic femtocells. Finally, related open issues, such as signaling overheads management, context-aware resource management, and business logic aspects are presented, with emphasis on the femto-relay's real market penetration opportunities in the mid and long-term future.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116460293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Resource Allocation using Dynamic Fractional Frequency Reuse: A Technique to Reduce Inter Cell Interference at the Cells Edges 基于动态分数频率复用的资源分配:一种减少小区边缘间干扰的技术
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/IJWNBT.2017010103
A. S. Sastry, S. Akhila
{"title":"Resource Allocation using Dynamic Fractional Frequency Reuse: A Technique to Reduce Inter Cell Interference at the Cells Edges","authors":"A. S. Sastry, S. Akhila","doi":"10.4018/IJWNBT.2017010103","DOIUrl":"https://doi.org/10.4018/IJWNBT.2017010103","url":null,"abstract":"Thisarticledescribeshowamultiusercellularsysteminsistsonhaving increase in thespectral efficiencyforthenumberofusersandbasestations.Asfarascellularstructuresareconcerned,the usersattheedgesexperienceintercellularinterference(ICI)thantheusersatthecellcenter.Thisis duetolackofresourceallocationatcelledges.Toimprovethethroughputattheedgesatechnique calledFractionalFrequencyReuse(FFR)isemployed.ThisarticleexplorestheDynamicFFR(DFFR) inOFDMAsystemtoimprovetheoverallthroughput. KEyWoRDS Dynamic Fractional Frequency Reuse (DFFR), Fractional Frequency Reuse (FFR), Inter Cell Interference (ICI), Orthogonal Frequency Division Multiple Access (OFDMA)","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133578761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Low Energy MCL-Based Clustering Routing Protocol for Wireless Sensor Networks 基于mcl的无线传感器网络聚类路由协议
Int. J. Wirel. Networks Broadband Technol. Pub Date : 1900-01-01 DOI: 10.4018/IJWNBT.2021010105
Mohammed Taieb Brahim, Houda Abbad, Sofiane Boukli-Hacene
{"title":"A Low Energy MCL-Based Clustering Routing Protocol for Wireless Sensor Networks","authors":"Mohammed Taieb Brahim, Houda Abbad, Sofiane Boukli-Hacene","doi":"10.4018/IJWNBT.2021010105","DOIUrl":"https://doi.org/10.4018/IJWNBT.2021010105","url":null,"abstract":"Wireless sensor networks (WSNs) have attracted increasing attention during the two last decades. Indeed, their applications target a wide range of fields such as healthcare, industrial control, environmental monitoring, etc. The main challenge of WSNs is the limitation of resources requiring efficient management of energy consumption. Coverage is also considered as one of the critical indicators of the quality of service (QoS) of WSNs. Therefore, the design of routing protocols should focus on energy efficiency and network coverage. In this paper, the authors propose a novel energy-efficient clustering protocol that is more efficient than some prominent routing protocols and offers better coverage of the network than LEACH. The protocol combines the MCL algorithm for cluster formation and a new cluster head selection strategy based on location and residual energy of sensors. Simulation results demonstrate that the proposed protocol is better than other protocols in terms of energy management and extending the lifetime of the network, whereas, it achieves good coverage than LEACH.","PeriodicalId":422249,"journal":{"name":"Int. J. Wirel. Networks Broadband Technol.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121274261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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