Pub Date : 2012-04-01DOI: 10.1109/WCNCW.2012.6215478
S. A. Salam, S. Mahmud, G. M. Khan, H. Al-Raweshidy
The idea of mass deployment of an Advanced Metering Infrastructure (AMI) for Smart Grids has been explored and evaluated in this paper. Since smart meters with a wireless interface that can connect to the utility provider's server via a backhaul network forms the basic building block of an AMI, it is a good paradigm for an M2M application in Smart Grids. The relevant standardization efforts by 3GPP and ETSI are discussed along with other perceived application scenarios for M2M communication. An example architecture is then proposed and evaluated with clusters of smart meters that transfer their data via UMTS network to a server. The performance evaluation is carried out considering network throughput, latency, and the data generated by the smart meters using both TCP and UDP traffic. The results indicate that there is a substantial reduction in delay when UDP traffic is considered when compared to TCP traffic generated by the smart meters.
{"title":"M2M communication in Smart Grids: Implementation scenarios and performance analysis","authors":"S. A. Salam, S. Mahmud, G. M. Khan, H. Al-Raweshidy","doi":"10.1109/WCNCW.2012.6215478","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215478","url":null,"abstract":"The idea of mass deployment of an Advanced Metering Infrastructure (AMI) for Smart Grids has been explored and evaluated in this paper. Since smart meters with a wireless interface that can connect to the utility provider's server via a backhaul network forms the basic building block of an AMI, it is a good paradigm for an M2M application in Smart Grids. The relevant standardization efforts by 3GPP and ETSI are discussed along with other perceived application scenarios for M2M communication. An example architecture is then proposed and evaluated with clusters of smart meters that transfer their data via UMTS network to a server. The performance evaluation is carried out considering network throughput, latency, and the data generated by the smart meters using both TCP and UDP traffic. The results indicate that there is a substantial reduction in delay when UDP traffic is considered when compared to TCP traffic generated by the smart meters.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122061110","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215472
Parth Amin, O. Tirkkonen, T. Henttonen, Esa Pernila
We study a distributed approach for Primary Component Carrier (PCC) selection to manage interference and to improve cell edge performance in a heterogeneous network. To avoid cell outage caused by PCC selection based on path loss between neighboring base stations (BSs), we argue that carrier reselection based on handover measurements performed by the User Equipments (UEs) is necessary. We propose three strategies of PCC reselection; a Selfish, Altruistic and Symmetric approach. These are based on avoiding interference caused by neighboring cells, avoiding causing interference to neighbors, and avoiding both, respectively. The performance of the proposed strategies is compared to PCC selection based on path loss. We conclude that PCC reselection based on UE measurements completely removes outage and improves cell edge performance.
{"title":"Primary component carrier selection for a heterogeneous network: A comparison of Selfish, Altruistic and Symmetric Strategies","authors":"Parth Amin, O. Tirkkonen, T. Henttonen, Esa Pernila","doi":"10.1109/WCNCW.2012.6215472","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215472","url":null,"abstract":"We study a distributed approach for Primary Component Carrier (PCC) selection to manage interference and to improve cell edge performance in a heterogeneous network. To avoid cell outage caused by PCC selection based on path loss between neighboring base stations (BSs), we argue that carrier reselection based on handover measurements performed by the User Equipments (UEs) is necessary. We propose three strategies of PCC reselection; a Selfish, Altruistic and Symmetric approach. These are based on avoiding interference caused by neighboring cells, avoiding causing interference to neighbors, and avoiding both, respectively. The performance of the proposed strategies is compared to PCC selection based on path loss. We conclude that PCC reselection based on UE measurements completely removes outage and improves cell edge performance.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128619814","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215538
T. Baykaş, Junyi Wang, S. Filin, H. Harada
One of the newest bands allowed for unlicensed device operation is called TV white space. It occupies partially UHF and VHF bands, which were reserved for licensed terrestrial TV broadcasting. New regulations throughout the world enable unlicensed use of TV white space if and only if no harmful interference is created to licensed devices. On the other hand, interference between unlicensed devices is not regulated. There is no doubt that a system which enables coexistence between unlicensed users in TV white space would be beneficial. This paper provides design overview for such a system and research activities conducted to realize it.
{"title":"System design to enable coexistence in TV white space","authors":"T. Baykaş, Junyi Wang, S. Filin, H. Harada","doi":"10.1109/WCNCW.2012.6215538","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215538","url":null,"abstract":"One of the newest bands allowed for unlicensed device operation is called TV white space. It occupies partially UHF and VHF bands, which were reserved for licensed terrestrial TV broadcasting. New regulations throughout the world enable unlicensed use of TV white space if and only if no harmful interference is created to licensed devices. On the other hand, interference between unlicensed devices is not regulated. There is no doubt that a system which enables coexistence between unlicensed users in TV white space would be beneficial. This paper provides design overview for such a system and research activities conducted to realize it.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116129970","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215514
H. Tabassum, F. Yilmaz, Z. Dawy, Mohamed-Slim Alouini
We derive a semi-analytical expression for the uplink inter-cell interference (ICI) assuming proportional fair scheduling (with a maximum normalized signal-to-noise ratio (SNR) criterion) deployed in the cellular network. The derived expression can be customized for different models of channel statistics that can capture path loss, shadowing, and fading. Firstly, we derive an expression for the distribution of the locations of the allocated user in a given cell. Then, we derive the distribution and moment generating function of the uplink ICI from one interfering cell. Finally, we determine the moment generating function of the cumulative uplink ICI from all interfering cells. The derived expression is utilized to evaluate important network performance metrics such as outage probability and fairness among users. The accuracy of the derived expressions is verified by comparing the obtained results to Monte Carlo simulations.
{"title":"On the modeling of uplink inter-cell interference based on proportional fair scheduling","authors":"H. Tabassum, F. Yilmaz, Z. Dawy, Mohamed-Slim Alouini","doi":"10.1109/WCNCW.2012.6215514","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215514","url":null,"abstract":"We derive a semi-analytical expression for the uplink inter-cell interference (ICI) assuming proportional fair scheduling (with a maximum normalized signal-to-noise ratio (SNR) criterion) deployed in the cellular network. The derived expression can be customized for different models of channel statistics that can capture path loss, shadowing, and fading. Firstly, we derive an expression for the distribution of the locations of the allocated user in a given cell. Then, we derive the distribution and moment generating function of the uplink ICI from one interfering cell. Finally, we determine the moment generating function of the cumulative uplink ICI from all interfering cells. The derived expression is utilized to evaluate important network performance metrics such as outage probability and fairness among users. The accuracy of the derived expressions is verified by comparing the obtained results to Monte Carlo simulations.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116692541","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215504
A. Burr, Agisilaos Papadogiannis, Tao Jiang
We outline a general method for modelling the capacity of a MIMO link within a wireless, assuming that capacity of a link is a random function of SNR and signal to interference ratio (SIR), since the maximum link throughput depends on the random channel of both the user's signal and the interference. We show how a look-up table for the CDF of this random function can be obtained by link-level simulation in the presence of interference having the same characteristics as the interference found in the target network. We also exploit the Truncated Shannon Bound (TSB) to estimate the resulting capacity obtained in practice in a system using adaptive modulation and coding on the link level.
{"title":"MIMO Truncated Shannon Bound for system level capacity evaluation of wireless networks","authors":"A. Burr, Agisilaos Papadogiannis, Tao Jiang","doi":"10.1109/WCNCW.2012.6215504","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215504","url":null,"abstract":"We outline a general method for modelling the capacity of a MIMO link within a wireless, assuming that capacity of a link is a random function of SNR and signal to interference ratio (SIR), since the maximum link throughput depends on the random channel of both the user's signal and the interference. We show how a look-up table for the CDF of this random function can be obtained by link-level simulation in the presence of interference having the same characteristics as the interference found in the target network. We also exploit the Truncated Shannon Bound (TSB) to estimate the resulting capacity obtained in practice in a system using adaptive modulation and coding on the link level.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131929930","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215523
Joseph Benin, Michael Nowatkowski, H. Owen
Vehicular networks are meant to exist wherever the road will take them. This includes small towns, rural highways, suburbs, downtown urban centers, and urban highways. The density of vehicles varies greatly across these environments. This work looks at the effects of implementing Quality of Service (QoS) as well as a relatively similar method that inserts stochastic delays in pseudonym (PN) transmission in the two urban settings of a downtown grid and an urban highway, both under heavily congested conditions. The simulated results (using ns-3) are compared to previous work that examined communication suppression (as opposed to priority as in this work). Four metrics are used for method comparison: average overall background data throughput, average overall PNs distributed, maximum number of PNs distributed, and the distribution of the PNs across the vehicles as a function of need. While some of the results obtained were expected, the overall conclusion that implementing quality of service, or even a simplistic imitation, can significantly improve the overall data throughput and provide more PNs is an interesting result.
{"title":"The effects of quality of service on vehicular network pseudonym distribution in congested urban environments","authors":"Joseph Benin, Michael Nowatkowski, H. Owen","doi":"10.1109/WCNCW.2012.6215523","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215523","url":null,"abstract":"Vehicular networks are meant to exist wherever the road will take them. This includes small towns, rural highways, suburbs, downtown urban centers, and urban highways. The density of vehicles varies greatly across these environments. This work looks at the effects of implementing Quality of Service (QoS) as well as a relatively similar method that inserts stochastic delays in pseudonym (PN) transmission in the two urban settings of a downtown grid and an urban highway, both under heavily congested conditions. The simulated results (using ns-3) are compared to previous work that examined communication suppression (as opposed to priority as in this work). Four metrics are used for method comparison: average overall background data throughput, average overall PNs distributed, maximum number of PNs distributed, and the distribution of the PNs across the vehicles as a function of need. While some of the results obtained were expected, the overall conclusion that implementing quality of service, or even a simplistic imitation, can significantly improve the overall data throughput and provide more PNs is an interesting result.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116204647","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215533
O. Holland, H. Bogucka, Maria-Gabriella Di Benedetto, L. Gavrilovska, Kamil Chudas
ICT-ACROPOLIS is a new Network of Excellence (NoE) supported by the European Commission's Framework Programme 7. This paper provides an overview of some of the technical work that has been performed in the ACROPOLIS NoE within its first year. Moreover, it highlights achievements in ACROPOLIS based around phases of the cognition cycle, and some initial inputs to standardization work and contacts with industry. Among the numerous technical achievements covered include methods for out-of-band emissions reduction in secondary NC-OFDM, means of cognitive radio beamforming to secondary users in various scenarios including multihop routing in cognitive radio networks, and pioneering applications for cognitive radio technologies such self organization and interference mitigation in femtocells. It should be noted, however, that this paper only selects some highlights of the work performed; it is not intended to be an exhaustive representation of the work in ACROPOLIS.
{"title":"Technical work of the ICT-ACROPOLIS Network of Excellence in its first year","authors":"O. Holland, H. Bogucka, Maria-Gabriella Di Benedetto, L. Gavrilovska, Kamil Chudas","doi":"10.1109/WCNCW.2012.6215533","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215533","url":null,"abstract":"ICT-ACROPOLIS is a new Network of Excellence (NoE) supported by the European Commission's Framework Programme 7. This paper provides an overview of some of the technical work that has been performed in the ACROPOLIS NoE within its first year. Moreover, it highlights achievements in ACROPOLIS based around phases of the cognition cycle, and some initial inputs to standardization work and contacts with industry. Among the numerous technical achievements covered include methods for out-of-band emissions reduction in secondary NC-OFDM, means of cognitive radio beamforming to secondary users in various scenarios including multihop routing in cognitive radio networks, and pioneering applications for cognitive radio technologies such self organization and interference mitigation in femtocells. It should be noted, however, that this paper only selects some highlights of the work performed; it is not intended to be an exhaustive representation of the work in ACROPOLIS.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127620668","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215521
Tobias Pögel, L. Wolf
Vehicles equipped with modems for cellular networks can be utilized to collect connectivity data while being on the road and to monitor the current network properties. If these data are grabbed from many vehicles and transferred to a central server, the data can be aggregated and allow a prediction of future network capabilities for other vehicles which we define as Connectivity Map. This makes different kinds of communication optimizations possible. Due to the mobility of the vehicles and the high dynamics in cellular networks, it is necessary to get very detailed and accurate data. In this paper, we present our approach to collect such data. We analyze the most important 3G network characteristics, with a strong focus on the vehicular mobility and its impacts. The resulting influences on the communication have to be considered to generate adaptive Connectivity Maps with the collected data.
{"title":"Analysis of operational 3G network characteristics for adaptive vehicular Connectivity Maps","authors":"Tobias Pögel, L. Wolf","doi":"10.1109/WCNCW.2012.6215521","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215521","url":null,"abstract":"Vehicles equipped with modems for cellular networks can be utilized to collect connectivity data while being on the road and to monitor the current network properties. If these data are grabbed from many vehicles and transferred to a central server, the data can be aggregated and allow a prediction of future network capabilities for other vehicles which we define as Connectivity Map. This makes different kinds of communication optimizations possible. Due to the mobility of the vehicles and the high dynamics in cellular networks, it is necessary to get very detailed and accurate data. In this paper, we present our approach to collect such data. We analyze the most important 3G network characteristics, with a strong focus on the vehicular mobility and its impacts. The resulting influences on the communication have to be considered to generate adaptive Connectivity Maps with the collected data.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124416520","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215542
S. Videv, H. Haas, J. Thompson, P. Grant
This paper presents a novel resource scheduling technique named Time Compression Mode (TCoM) that allows energy aware schedulers to decrease the energy consumption within orthogonal frequency division multiple access (OFDMA) type systems - for example the Long Term Evolution (LTE) system. TCoM allows users whose energy consumption is dominated by control channel overhead, to reduce their overall energy expenditure by reducing the number of resource blocks (RBs) allocated to them. This leads to an overall reduction in the used energy due to the decrease in energy used for overhead transmission. To ensure correct operation, TCoM has to be coupled with an energy aware scheduler. This combination not only reduces the used energy, but is also able to increase the achieved user data rate. Simulation results show that the data rate performance is equivalent for 86.8% of the users, however the remaining 13.2% enjoy approximately double the data rate delivered by the benchmark. The overall used energy is decreased by 26% on average. These results are achieved for an future base station (BS) overall hardware efficiency model.
{"title":"Energy efficient resource allocation in wireless systems with control channel overhead","authors":"S. Videv, H. Haas, J. Thompson, P. Grant","doi":"10.1109/WCNCW.2012.6215542","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215542","url":null,"abstract":"This paper presents a novel resource scheduling technique named Time Compression Mode (TCoM) that allows energy aware schedulers to decrease the energy consumption within orthogonal frequency division multiple access (OFDMA) type systems - for example the Long Term Evolution (LTE) system. TCoM allows users whose energy consumption is dominated by control channel overhead, to reduce their overall energy expenditure by reducing the number of resource blocks (RBs) allocated to them. This leads to an overall reduction in the used energy due to the decrease in energy used for overhead transmission. To ensure correct operation, TCoM has to be coupled with an energy aware scheduler. This combination not only reduces the used energy, but is also able to increase the achieved user data rate. Simulation results show that the data rate performance is equivalent for 86.8% of the users, however the remaining 13.2% enjoy approximately double the data rate delivered by the benchmark. The overall used energy is decreased by 26% on average. These results are achieved for an future base station (BS) overall hardware efficiency model.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126966935","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 : 2012-04-01DOI: 10.1109/WCNCW.2012.6215499
Ming-Yuan Cheng, Guan-Yu Lin, Hung-Yu Wei, A. Hsu
Featuring massive number of devices, Machine Type Communications (MTC) poses great challenges for radio access network (RAN) with its overloading problem that has been aggressively addressed by 3GPP as an essential working item. In this article, we first introduce random access procedure in LTE-A. Then we address the issue of RACH overload coming from massive number of MTC devices. To resolve RAN overload, several easy-to-implement RAN level solutions are proposed. Based on simulation of MTC in Long Term Evolution- Advanced (LTE-A) architecture, we compare the overload resolution capability of different overload resolution mechanisms and conclude with observations for further solution design.
机器类型通信(MTC)具有大量设备的特点，对无线接入网络(RAN)提出了巨大的挑战，其过载问题已被3GPP作为重要工作项目积极解决。在本文中，我们首先介绍了LTE-A中的随机访问过程。然后，我们解决了来自大量MTC设备的RACH过载问题。为了解决RAN过载问题，提出了几种易于实现的RAN级解决方案。通过对LTE-A (Long Term Evolution- Advanced, LTE-A)架构中的MTC进行仿真，比较了不同过载解析机制的过载解析能力，并为进一步的解决方案设计提供了观察结果。
{"title":"Performance evaluation of radio access network overloading from machine type communications in LTE-A networks","authors":"Ming-Yuan Cheng, Guan-Yu Lin, Hung-Yu Wei, A. Hsu","doi":"10.1109/WCNCW.2012.6215499","DOIUrl":"https://doi.org/10.1109/WCNCW.2012.6215499","url":null,"abstract":"Featuring massive number of devices, Machine Type Communications (MTC) poses great challenges for radio access network (RAN) with its overloading problem that has been aggressively addressed by 3GPP as an essential working item. In this article, we first introduce random access procedure in LTE-A. Then we address the issue of RACH overload coming from massive number of MTC devices. To resolve RAN overload, several easy-to-implement RAN level solutions are proposed. Based on simulation of MTC in Long Term Evolution- Advanced (LTE-A) architecture, we compare the overload resolution capability of different overload resolution mechanisms and conclude with observations for further solution design.","PeriodicalId":392329,"journal":{"name":"2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130314808","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：