2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)最新文献

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A context-aware QoE-driven strategy for adaptive video streaming in 5G multi-RAT environments 5G多rat环境中自适应视频流的上下文感知qos驱动策略
F. Bouali, K. Moessner, M. Fitch
{"title":"A context-aware QoE-driven strategy for adaptive video streaming in 5G multi-RAT environments","authors":"F. Bouali, K. Moessner, M. Fitch","doi":"10.1109/WPMC.2017.8301838","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301838","url":null,"abstract":"This paper extends traditional dynamic adaptive streaming over HTTP (DASH) to efficiently exploit all available bands and licensing regimes in a given context. A novel objective quality-of-experience (QoE) metric is proposed to capture the most relevant factors that impact user perception during streaming sessions. Based on it, a QoE-driven adaptation strategy is devised to jointly select the best radio access technology (RAT) and quality for each video segment depending on the various components of the context. It relies first on fuzzy logic to estimate the QoE provided by each available RAT subject to the uncertainty level associated with DASH clients. Then, a fuzzy multiple attribute decision making (MADM) methodology is developed to combine the QoE estimates with the heterogeneous components of the context to assess the in-context suitability levels. The proposed approach is applied to adapt video streaming across available RATs in dense deployments for a set of Bronze and Gold subscriptions. The results reveal that the proposed strategy always assigns Gold clients to the well-regulated licensed band, while switches Bronze clients between licensed and unlicensed bands depending on the operating conditions. It strikes a balance between maximising video quality and reducing playback stalling, which significantly improves the perceived QoE compared to the traditional DASH approach.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124104157","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: 6
Behavior of non-directed optical wireless channel considering receiver orientation 考虑接收器方向的非定向无线光信道行为
T. Hoang, S. Sahuguède, A. Julien-Vergonjanne
{"title":"Behavior of non-directed optical wireless channel considering receiver orientation","authors":"T. Hoang, S. Sahuguède, A. Julien-Vergonjanne","doi":"10.1109/WPMC.2017.8301813","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301813","url":null,"abstract":"In this article, we investigate the feasibility of an infrared uplink regardless of the position of the transmitter in the environment when the receivers are positioned at each corner of a square central luminaire. This configuration could correspond to a luminaire used also for downlink communication in visible range. The scenario is studied as an alternative easier to implement than classical one where the receivers are uniformly distributed over the ceiling and oriented perpendicularly towards the floor. Our main objective is to determine for our scenario the best orientations of the receivers using diversity technique to obtain at least the same performance as in the classical case. For this purpose, we use channel simulations based on ray-tracing method to obtain the optical gain statistics. The results obtained from the analysis show that for the investigated scenario it is possible to obtain a better performance than with perpendicular oriented receivers spatially distributed over the ceiling. Experimentations permit validating theoretical results regarding receiver orientation impact.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127906559","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: 9
Radio channel characterizations at 2.4 GHz in mine shaft environment 矿井环境下2.4 GHz无线信道特性分析
Shaohua Xue, Jian-ping Tan
{"title":"Radio channel characterizations at 2.4 GHz in mine shaft environment","authors":"Shaohua Xue, Jian-ping Tan","doi":"10.1109/WPMC.2017.8301796","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301796","url":null,"abstract":"In this paper, narrowband and wideband radio channel measurements at 2.4 GHz have been carried out in a real mine shaft. Important parameters such as path loss and delay spread are presented and compared with that in underground tunnels. The waveguide effect has been observed in path loss. The distribution of Root-Mean-Square (RMS) delay spread and the relationship between RMS delay spread and Tx-Rx distance has been investigated. The number of multipath has also been studied. The results are helpful for designing shaft communication systems.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117195981","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
Ultra wide band crescent antenna with enhanced maximum gain 具有增强最大增益的超宽带新月形天线
C. Dikmen, G. Çakir, S. Cimen
{"title":"Ultra wide band crescent antenna with enhanced maximum gain","authors":"C. Dikmen, G. Çakir, S. Cimen","doi":"10.1109/WPMC.2017.8301822","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301822","url":null,"abstract":"In this study, an ultra wide band microstrip antenna fed by coplanar wavequide with enhanced maximum gain is designed. Size of the designed antenna is 60×38mm and the dielectric material (Rogers RO3006) with relative dielectric constant er=6,15 is used. At the designing stages, the effects of the modifications on the gain is examined too. The gain of the modified antenna is increased with minimum 1dB and maximum 3 dB at whole bandwith.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125002274","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
Approximated teletraffic analysis for the performance evaluation of mobile cellular networks with MMPP-2 new call arrivals 带MMPP-2新呼叫到达的移动蜂窝网络性能评估的近似通信流量分析
S. L. Castellanos-Lopez, D. T. Valdez, F. A. Cruz-Pérez, G. Hernández-Valdez
{"title":"Approximated teletraffic analysis for the performance evaluation of mobile cellular networks with MMPP-2 new call arrivals","authors":"S. L. Castellanos-Lopez, D. T. Valdez, F. A. Cruz-Pérez, G. Hernández-Valdez","doi":"10.1109/WPMC.2017.8301889","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301889","url":null,"abstract":"In this paper, the performance of mobile multi-cellular networks with time-varying traffic is mathematically analyzed and numerically evaluated. To model time-varying traffic demand, new call requests in each cell are considered to follow an independent two-state Markov Modulated Poisson Process (MMPP). A novel approximated teletraffic analysis for the system-performance evaluation is proposed and developed. The proposed analysis is based on both a bi-dimensional and a tri-dimensional birth and death processes. In our developed queuing analysis, handoff call requests arriving to the reference cell are modeled through a seven-state MMPP. Contrary to previously published related works, the parameters of the MMPP are iteratively calculated as function of the different system parameters. Numerical results obtained with the proposed approximated method are compared against those obtained by both a teletraffic analysis considering that handoff call requests follow a Poisson process and a discrete-event simulation study. The effect of users' mobility factor and burstiness of new call arrivals on the system performance are evaluated.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123785380","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
Parallel concatenated systematic polar code based on soft successive cancellation list decoding 基于软逐次消去表译码的并行级联系统极化码
Zhenzhen Liu, K. Niu, Jiaru Lin
{"title":"Parallel concatenated systematic polar code based on soft successive cancellation list decoding","authors":"Zhenzhen Liu, K. Niu, Jiaru Lin","doi":"10.1109/WPMC.2017.8301804","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301804","url":null,"abstract":"In this paper, we investigate the parallel concatenated systematic polar code (PCSPC) with soft successive cancellation list (SSCL) decoding algorithm. Based on the successive cancellation list (SCL) decoding, the key process of SSCL about how to calculate the soft information which is need for the iterative decoding is presented in detail. Compared to PCSPC with belief propagation (BP) decoding or soft cancellation (SCAN) decoding, the one with SSCL decoding has about 0.6 or 0.5 dB performance gains at bit error rate 10−4.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115082735","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: 12
Enhanced encryption model for sensor data in wireless sensor network 无线传感器网络中传感器数据的增强加密模型
Anusha Vangala, P. Parwekar
{"title":"Enhanced encryption model for sensor data in wireless sensor network","authors":"Anusha Vangala, P. Parwekar","doi":"10.1109/WPMC.2017.8301800","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301800","url":null,"abstract":"In Wireless Sensor Network Environment, there is a lot of scope to incorporate security considerations in various aspects of the architecture. While the sink reads the data from the sensor and dumps the aggregated data to the base Station, there is a possibility of loss of confidentiality of data. Any third party may read the data and misuse it. Hence it is vulnerable to snooping by the attacker. The current paper presents an enhanced model in order to improve confidentiality. This paper analyses the weaknesses of the previous scenarios and proposes improvements on them by making use of mathematical operations to manipulate the keys used for the encryption of each sensor. The work culminates into a proposed Scenario 1.7 that can provide enhanced security over the previous models with comparable time taken for security operations in the sink.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114144768","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: 4
Data aggregation among mobile devices for upload traffic reduction in crowdsensing systems 众感系统中减少上传流量的移动设备间数据聚合
M. Tamai, Akio Hasegawa
{"title":"Data aggregation among mobile devices for upload traffic reduction in crowdsensing systems","authors":"M. Tamai, Akio Hasegawa","doi":"10.1109/WPMC.2017.8301874","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301874","url":null,"abstract":"Crowdsensing systems exploit widely scattered mobile devices for large scale sensing applications. In crowdsensing systems, since there is a possibility that a huge amount of data is uploaded through cellular networks or Wi-Fi, a general framework for reducing the traffic volume is required to avoid overloading these network infrastructures. In this paper, we propose a data aggregation method among mobile devices to reduce traffic volume incurred by uploading of sensory data. By utilizing opportunistic contacts between mobile devices, sensory data are moved using short range communication over mobile devices so that aggregation performance is improved. To achieve effective data movement, our method utilizes contact history among mobile devices, and let the mobile devices that are frequently contacted by the other devices collect sensory data intensively from the other devices. Experiments show that our method can achieve high aggregation performance in various settings.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124476261","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
Interference suppression through power allocation for massive MIMO systems with channel aging 信道老化的大规模MIMO系统的功率分配干扰抑制
Ilmiawan Shubhi, Panca Dewi Pamungkasari, F. Juwono, Satriyo Dharmanto
{"title":"Interference suppression through power allocation for massive MIMO systems with channel aging","authors":"Ilmiawan Shubhi, Panca Dewi Pamungkasari, F. Juwono, Satriyo Dharmanto","doi":"10.1109/WPMC.2017.8301858","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301858","url":null,"abstract":"To acquire an optimum potential of massive multiple-input multiple-output (MIMO), congruity between pre-coder and the actual channel is required. This circumstance, however, is hard to obtain when the mobile station (MS) is moving in a multipath environment and experiencing channel aging. Suffering channel aging, a mismatch between the precoder matrix and the actual channel matrix occurs which causes interuser interference at the MS. To tackle this problem, we propose a channel prediction based power allocation technique for time-varying massive MIMO. First, we estimate Doppler shift experienced by the BS to create a channel prediction. Afterward, we conduct recursive power allocation with the goal of minimizing channel aging effect at the MS. Using the proposed technique, each MS only suffers a certain interference level which still can be handled by the MS. Through computer simulation, it is shown that our proposed technique enables the time-varying massive MIMO transmission without a significant addition to computational complexity.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"187 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132410316","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
A throughput study of grant-free multiple access for massive wireless communications 大规模无线通信中免授权多址的吞吐量研究
C. Pyo, K. Takizawa, Masafumi Moriyama, M. Oodo, Hayato Tezuka, K. Ishizu, F. Kojima
{"title":"A throughput study of grant-free multiple access for massive wireless communications","authors":"C. Pyo, K. Takizawa, Masafumi Moriyama, M. Oodo, Hayato Tezuka, K. Ishizu, F. Kojima","doi":"10.1109/WPMC.2017.8301870","DOIUrl":"https://doi.org/10.1109/WPMC.2017.8301870","url":null,"abstract":"As a demand of diverse services and a rapid increase of Internet of Thing (IoT) devices, it requires a new medium access control (MAC) to support a massive and variable IoT devices in the next generation wireless communications. As the viewpoints of simplicity, flexibility and scalability, a contention-based multiple access (CMA) is a potential function of MAC in the massive wireless communications. So that a grant-free multiple access (GFMA) method as a new CMA has been proposed to provide a simultaneous massive connectivity and to reduce the latency of data transmission. This paper introduces a novel GFMA and studies the performance of GFMA throughput numerically. In addition, we conduct the performance comparison the proposed GFMA with the legacy CMAs such as slotted aloha (SA) and grant multiple access (GMA) of LTE random access channel (RACH) and shows that the proposed GFMA achieves a higher throughput rather than others.","PeriodicalId":239243,"journal":{"name":"2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124381941","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: 6
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