Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798845
Marianna Pittokopiti, R. Grammenos
Collisions with vehicles are one of the leading causes for fatal and non-fatal accidents at construction sites. This paper discusses the implementation of a low-cost, battery-powered Ultra-Wideband (UWB) based collision avoidance system for use in the construction industry that can detect potential collisions between workers and vehicles in real-time. The key advantage of our proposed system compared to existing solutions is that it does not require a fixed infrastructure. We also introduce an additional metric being the time to collision, beyond the standard distance measurements. Results show that the combination of UWB and linear regression provides sufficient accuracy, with a mean error of 0.75 m in distance measurements and less than 1 s error in the time to collision for relative speeds up to 2.65 m/s. This error is even smaller for higher speeds encountered in real-life scenarios.
{"title":"Infrastructureless UWB based collision avoidance system for the safety of construction workers","authors":"Marianna Pittokopiti, R. Grammenos","doi":"10.1109/ICT.2019.8798845","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798845","url":null,"abstract":"Collisions with vehicles are one of the leading causes for fatal and non-fatal accidents at construction sites. This paper discusses the implementation of a low-cost, battery-powered Ultra-Wideband (UWB) based collision avoidance system for use in the construction industry that can detect potential collisions between workers and vehicles in real-time. The key advantage of our proposed system compared to existing solutions is that it does not require a fixed infrastructure. We also introduce an additional metric being the time to collision, beyond the standard distance measurements. Results show that the combination of UWB and linear regression provides sufficient accuracy, with a mean error of 0.75 m in distance measurements and less than 1 s error in the time to collision for relative speeds up to 2.65 m/s. This error is even smaller for higher speeds encountered in real-life scenarios.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"485 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122745511","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798823
S. Berber
Problem of the sequence synchronization in multiuser systems, which are designed using chaotic sequences, is very well investigated for the perfect sequence synchronization. However, mathematical models and expressions for the probability of error in closed form in these systems having imperfect time synchronization, are not developed. The imperfect synchronization can be expressed by a random delay between the received and the locally generated spreading sequence inside the receiver. A comprehensive analysis of the multi-user CDMA system is presented in this article for the case when the random delay is distributed according to the uniform distribution, which is expressed using Dirac's delta functions. The delays in the system are of finite values, thus the truncated uniform density function is applied, which simplifies the derivation of expressions for the probability of error that are confirmed by simulations.
{"title":"Chaos-based systems operation with random delays characterised by truncated density functions","authors":"S. Berber","doi":"10.1109/ICT.2019.8798823","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798823","url":null,"abstract":"Problem of the sequence synchronization in multiuser systems, which are designed using chaotic sequences, is very well investigated for the perfect sequence synchronization. However, mathematical models and expressions for the probability of error in closed form in these systems having imperfect time synchronization, are not developed. The imperfect synchronization can be expressed by a random delay between the received and the locally generated spreading sequence inside the receiver. A comprehensive analysis of the multi-user CDMA system is presented in this article for the case when the random delay is distributed according to the uniform distribution, which is expressed using Dirac's delta functions. The delays in the system are of finite values, thus the truncated uniform density function is applied, which simplifies the derivation of expressions for the probability of error that are confirmed by simulations.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"26 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131206056","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798791
Bowen Cai, Yu Chen, I. Darwazeh
Energy-efficient communications is one important consideration for Internet of Things (IoT) devices, and it can be achieved via the discontinuous reception (DRX) technology. In this paper, we consider an IoT device with the DRX capability. The device is functioning based on the LTE standard and it is communicating with the base station over a Nakagami-$m$ fading channel. Data are generated with fixed length and Poisson processes. Under these settings, we develop a cross-layer analytical model to analyze 1) the energy efficiency, 2) stationary probability and 3) state holding time of this device. Simulation results show that the proposed model can approximate the three performance of a IoT device accurately.
{"title":"Analyzing Energy Efficiency for IoT Devices with DRX Capability and Poisson Arrivals","authors":"Bowen Cai, Yu Chen, I. Darwazeh","doi":"10.1109/ICT.2019.8798791","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798791","url":null,"abstract":"Energy-efficient communications is one important consideration for Internet of Things (IoT) devices, and it can be achieved via the discontinuous reception (DRX) technology. In this paper, we consider an IoT device with the DRX capability. The device is functioning based on the LTE standard and it is communicating with the base station over a Nakagami-$m$ fading channel. Data are generated with fixed length and Poisson processes. Under these settings, we develop a cross-layer analytical model to analyze 1) the energy efficiency, 2) stationary probability and 3) state holding time of this device. Simulation results show that the proposed model can approximate the three performance of a IoT device accurately.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116862208","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798858
L. D. Manh, N. Hoang, C. Ta
In this paper, we propose an independently biased 3-stack GaN high electron mobility transistor (HEMT) configuration which can be utilized to design key amplifiers including microwave intermediate amplifier, low-noise amplifier and power amplifier of transceivers for 5G mobile networks. Both the small-signal and large-signal performance of the proposed configuration are investigated in comparison with other configurations including single stage, cascode and conventional 3-stack. The investigated results show that, thanks to the independently biased technique, the proposed configuration can offer better performance compared with other configurations. In term of small-signal performance, the proposed 3-stack configuration exhibits superior isolation, stability and maximum available gain. In addition, in term of large-signal performance it exhibits superior output power, power gain, efficiency and linearity over the other configurations. These superior performances are investigated at the 5G frequency bands. This makes the proposed circuit configuration to be an excellent candidate for designing important amplifiers of the 5G mobile networks.
{"title":"An Independently Biased 3-stack GaN HEMT Configuration for 5G Mobile Networks","authors":"L. D. Manh, N. Hoang, C. Ta","doi":"10.1109/ICT.2019.8798858","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798858","url":null,"abstract":"In this paper, we propose an independently biased 3-stack GaN high electron mobility transistor (HEMT) configuration which can be utilized to design key amplifiers including microwave intermediate amplifier, low-noise amplifier and power amplifier of transceivers for 5G mobile networks. Both the small-signal and large-signal performance of the proposed configuration are investigated in comparison with other configurations including single stage, cascode and conventional 3-stack. The investigated results show that, thanks to the independently biased technique, the proposed configuration can offer better performance compared with other configurations. In term of small-signal performance, the proposed 3-stack configuration exhibits superior isolation, stability and maximum available gain. In addition, in term of large-signal performance it exhibits superior output power, power gain, efficiency and linearity over the other configurations. These superior performances are investigated at the 5G frequency bands. This makes the proposed circuit configuration to be an excellent candidate for designing important amplifiers of the 5G mobile networks.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":" 33","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114051250","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798765
Ming He, Zhijie Feng
Search and data retrieval services have attracted significant attention in blockchain networks, especially for rare resources. Therefore, our paper proposes a novel Gossip-based appropriate degree search strategy (GADSS) for rare resources. This strategy employs a periodical probing mechanism (PPM) to judge whether these resources are rare resources. Once the resource types are determined, searching probability for rare ones is increased by two-hop index replication with resource weight (TIR-RW). In addition, we also provide a Gossip-based appropriate degree search algorithm (GADSA), which utilizes the appropriate degree property as heuristic information to guide the search in dynamic environment. As compared to the conventional blockchain resource search algorithms, GADSA has the ability to reduce the message quantity substantially. The simulation results show that GADSS has the better search performance for rare resources, and maintains the lower network overhead.
{"title":"Gossip-based Appropriate Degree Search Strategy by Two-hop Index Replication for Rare Resources","authors":"Ming He, Zhijie Feng","doi":"10.1109/ICT.2019.8798765","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798765","url":null,"abstract":"Search and data retrieval services have attracted significant attention in blockchain networks, especially for rare resources. Therefore, our paper proposes a novel Gossip-based appropriate degree search strategy (GADSS) for rare resources. This strategy employs a periodical probing mechanism (PPM) to judge whether these resources are rare resources. Once the resource types are determined, searching probability for rare ones is increased by two-hop index replication with resource weight (TIR-RW). In addition, we also provide a Gossip-based appropriate degree search algorithm (GADSA), which utilizes the appropriate degree property as heuristic information to guide the search in dynamic environment. As compared to the conventional blockchain resource search algorithms, GADSA has the ability to reduce the message quantity substantially. The simulation results show that GADSS has the better search performance for rare resources, and maintains the lower network overhead.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114163921","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798833
Paulo Vieira, Adriano Fiorese
Voice Over IP technology (VoIP) allows people to communicate voice using the Internet as a mean of transmission. VoIP calls between clients using the same Codec consume communication and computational resources from VoIP server. Software-Defined Networking (SDN) has been disseminating the decoupling between control and data plane in network technologies. SDN can be used in order to optimize network traffic and consequently to reduce resources usage. Therefore, this paper aims to present a traffic management approach based on SDN to reduce the use of resources in VoIP services. Scenarios were emulated with and without the use of SDN to assess CPU utilization and bandwidth used in a VoIP server. Experimental results indicate considerable reduction on the consumption of the mentioned resources.
{"title":"VoIP traffic and resource management using Software-Defined Networking","authors":"Paulo Vieira, Adriano Fiorese","doi":"10.1109/ICT.2019.8798833","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798833","url":null,"abstract":"Voice Over IP technology (VoIP) allows people to communicate voice using the Internet as a mean of transmission. VoIP calls between clients using the same Codec consume communication and computational resources from VoIP server. Software-Defined Networking (SDN) has been disseminating the decoupling between control and data plane in network technologies. SDN can be used in order to optimize network traffic and consequently to reduce resources usage. Therefore, this paper aims to present a traffic management approach based on SDN to reduce the use of resources in VoIP services. Scenarios were emulated with and without the use of SDN to assess CPU utilization and bandwidth used in a VoIP server. Experimental results indicate considerable reduction on the consumption of the mentioned resources.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122625387","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798811
Cheng-Feng Yang, Shi-Chung Chang, Cheng-Yu Hsu
General Authorized Access (GAA) is a registration-based spectrum access authorization and is the bottom tier in FCC's 3-tiered regulatory framework of spectrum sharing. A Spectrum Access System (SAS) manages shared accesses to raise spectrum utilization and meet heterogeneous demands. In managing GAA, a SAS announces spectrum availability and coordinate spectrum accesses by various wireless networks. Based on spectrum availability, the operator of each wireless network submits to SAS a channel selection (CS) plan that maximizes the total capacity for users. Knowing their channel selection plans, the SAS then makes frequency assignments (FA) to individual operators to maximize total capacity of shared accesses while complying with interference management requirements among tiers. This paper formulates FA and CS as a leader-follower game and presents a novel design for SAS to coordinate GAA among operators by exploiting the game theoretic solution concept.
{"title":"Hierarchical Game Theoretic Design of Frequency Assignment and Channel Selection for General Authorized Accesses","authors":"Cheng-Feng Yang, Shi-Chung Chang, Cheng-Yu Hsu","doi":"10.1109/ICT.2019.8798811","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798811","url":null,"abstract":"General Authorized Access (GAA) is a registration-based spectrum access authorization and is the bottom tier in FCC's 3-tiered regulatory framework of spectrum sharing. A Spectrum Access System (SAS) manages shared accesses to raise spectrum utilization and meet heterogeneous demands. In managing GAA, a SAS announces spectrum availability and coordinate spectrum accesses by various wireless networks. Based on spectrum availability, the operator of each wireless network submits to SAS a channel selection (CS) plan that maximizes the total capacity for users. Knowing their channel selection plans, the SAS then makes frequency assignments (FA) to individual operators to maximize total capacity of shared accesses while complying with interference management requirements among tiers. This paper formulates FA and CS as a leader-follower game and presents a novel design for SAS to coordinate GAA among operators by exploiting the game theoretic solution concept.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125580849","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798804
Ibrahim Dawi, G. Zaharia, Y. Nasser, Ayman Khalil, J. Hélard
In this paper, we propose a new mathematical group called the Extended Weyl group aiming at increasing the spectral efficiency of the conventional Differential Space-Time Modulation (DSTM) found in literature. More specifically, the paper aims at solving the problem of spectral efficiency decrease of DSTM when the number of transmit antennas of Multiple-Input Multiple-Output (MIMO) systems increases. Moreover, this work proposes a thorough analysis of the distance spectrum between DSTM matrices and adopts a near optimal matrices mapping to decrease the bit error probability. The analysis and simulation results show clearly the improvement and outperformance of the adopted strategies.
{"title":"Increase of DSTM Spectral Efficiency by the Extension of the Mathematical Weyl Group with Application to Differential MIMO Systems","authors":"Ibrahim Dawi, G. Zaharia, Y. Nasser, Ayman Khalil, J. Hélard","doi":"10.1109/ICT.2019.8798804","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798804","url":null,"abstract":"In this paper, we propose a new mathematical group called the Extended Weyl group aiming at increasing the spectral efficiency of the conventional Differential Space-Time Modulation (DSTM) found in literature. More specifically, the paper aims at solving the problem of spectral efficiency decrease of DSTM when the number of transmit antennas of Multiple-Input Multiple-Output (MIMO) systems increases. Moreover, this work proposes a thorough analysis of the distance spectrum between DSTM matrices and adopts a near optimal matrices mapping to decrease the bit error probability. The analysis and simulation results show clearly the improvement and outperformance of the adopted strategies.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"615 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127873004","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798809
Deni Lumbantoruan, M. Farhoudi, A. Mihailovic, H. Aghvami
This paper presents a foundation study of the routing support in scoped IP access networks towards early investigations and conclusions on provisioning the tactile traffic class in related networks. A specification for a type of traffic for tactile/haptic communications is derived and applied in the paper and tested in network scenarios alongside with best effort traffic and varying traffic load conditions. To better facilitate the experiments conducted, we have explicitly chosen and applied the most fitting routing solution in IP access network that enables balancing of the variations of performance criteria and costs typically encountered in packet communications, hence serving as the practical optimum for using the whole of the network routing resources. This specific routing scheme is a multipath routing solution; already tested and proven to combine multitude of performance benefits under practical deployment considerations. This protocol solution termed Multi-Plane Routing is accordingly adopted and applied in the analysis and experiment to expedite the various tactile traffic requirements and most importantly the packet loss and delay while ensuring maximization of the packet delivery throughput. The results indicate the performance margins in early but routing-dedicated study of the possibilities for supporting such novel and stringent traffic requirements inherent in the tactile traffic class.
{"title":"Towards an Efficient Path Selection for Tactile Internet Traffic via Multi-Plane Routing","authors":"Deni Lumbantoruan, M. Farhoudi, A. Mihailovic, H. Aghvami","doi":"10.1109/ICT.2019.8798809","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798809","url":null,"abstract":"This paper presents a foundation study of the routing support in scoped IP access networks towards early investigations and conclusions on provisioning the tactile traffic class in related networks. A specification for a type of traffic for tactile/haptic communications is derived and applied in the paper and tested in network scenarios alongside with best effort traffic and varying traffic load conditions. To better facilitate the experiments conducted, we have explicitly chosen and applied the most fitting routing solution in IP access network that enables balancing of the variations of performance criteria and costs typically encountered in packet communications, hence serving as the practical optimum for using the whole of the network routing resources. This specific routing scheme is a multipath routing solution; already tested and proven to combine multitude of performance benefits under practical deployment considerations. This protocol solution termed Multi-Plane Routing is accordingly adopted and applied in the analysis and experiment to expedite the various tactile traffic requirements and most importantly the packet loss and delay while ensuring maximization of the packet delivery throughput. The results indicate the performance margins in early but routing-dedicated study of the possibilities for supporting such novel and stringent traffic requirements inherent in the tactile traffic class.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130644024","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}
Pub Date : 2019-04-01DOI: 10.1109/ICT.2019.8798852
A. Crown, H. Nguyen
Intelligent vehicles or smart cars are considered to be capable of reducing the high mortality rate that occurs on roads globally. The different applications of intelligent vehicles i.e., vehicle-to-vehicle (V2V) or vehicle-to-infrastructure networks (V2I), are collectively called vehicle-to-everything (V2X) communications which has the endorsement of the international standard IEEE 802.11p. It is widely expected that V2X can diminish traffic gridlocks and aid the drivers with information such as road status and weather forecast in order to prevent traffic accidents. The aim of this paper is to generate viable mm-Wave channel parameters for V2V scenario in a specific urban area in London as a benchmark for future development. Thus, a thorough evaluation of the implemented V2V mm-Wave propagation channel is performed so as to determine the main constraint factors, such as the signal fading, shadowing, reflection, refraction, scattering and Doppler effect, that can affect V2V communication and connectivity. We analyse comparatively the simulation results of V2V channel propagation parameters using the geometry-based efficient propagation simulator for V2V communications with the experimental measurements conducted using our testbed setup in Hendon area of London UK, which is a combination of urban and suburban streets, with hill top and express way in terms of roadside environments. It is found that i) the simulation results are consistent with the practical measurement; and ii) the simulation at higher mmWave frequencies shows that signal can be detected up to 200m in the urban area irrespective of it being highly non-line of sight environment.
{"title":"Practical Evaluation of mm-Wave Communication for Automotive Applications in a Mixed Urban Area of London","authors":"A. Crown, H. Nguyen","doi":"10.1109/ICT.2019.8798852","DOIUrl":"https://doi.org/10.1109/ICT.2019.8798852","url":null,"abstract":"Intelligent vehicles or smart cars are considered to be capable of reducing the high mortality rate that occurs on roads globally. The different applications of intelligent vehicles i.e., vehicle-to-vehicle (V2V) or vehicle-to-infrastructure networks (V2I), are collectively called vehicle-to-everything (V2X) communications which has the endorsement of the international standard IEEE 802.11p. It is widely expected that V2X can diminish traffic gridlocks and aid the drivers with information such as road status and weather forecast in order to prevent traffic accidents. The aim of this paper is to generate viable mm-Wave channel parameters for V2V scenario in a specific urban area in London as a benchmark for future development. Thus, a thorough evaluation of the implemented V2V mm-Wave propagation channel is performed so as to determine the main constraint factors, such as the signal fading, shadowing, reflection, refraction, scattering and Doppler effect, that can affect V2V communication and connectivity. We analyse comparatively the simulation results of V2V channel propagation parameters using the geometry-based efficient propagation simulator for V2V communications with the experimental measurements conducted using our testbed setup in Hendon area of London UK, which is a combination of urban and suburban streets, with hill top and express way in terms of roadside environments. It is found that i) the simulation results are consistent with the practical measurement; and ii) the simulation at higher mmWave frequencies shows that signal can be detected up to 200m in the urban area irrespective of it being highly non-line of sight environment.","PeriodicalId":127412,"journal":{"name":"2019 26th International Conference on Telecommunications (ICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130316089","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}
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