International Conference on Wireless Networks and Mobile Communications最新文献

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QoS improvement for multicast video streaming: A new cross-layer scheme-based mapping, scheduling and dynamic Arbitration Algorithms for Multicast Scalable Video Coding (CMSAA-MSVC) 多播视频流的QoS改进:一种新的基于跨层方案的多播可扩展视频编码(CMSAA-MSVC)映射、调度和动态仲裁算法
International Conference on Wireless Networks and Mobile Communications Pub Date : 2015-10-01 DOI: 10.1109/WINCOM.2015.7381302
Olfa Ben Rhaiem, L. Chaari
{"title":"QoS improvement for multicast video streaming: A new cross-layer scheme-based mapping, scheduling and dynamic Arbitration Algorithms for Multicast Scalable Video Coding (CMSAA-MSVC)","authors":"Olfa Ben Rhaiem, L. Chaari","doi":"10.1109/WINCOM.2015.7381302","DOIUrl":"https://doi.org/10.1109/WINCOM.2015.7381302","url":null,"abstract":"QoS requirement is a key issue in wireless communication. Today, researchers are giving considerable interest to multicast video transmission. The legacy IEEE 802.11 WLAN standard is one of the most widely adopted technologies for delivering wireless traffic; whereas, QoS is not yet envisaged in this standard. The IEEE 802.11e (EDCA) standard is defined as the best solution to this issue. Yet, EDCA mechanism performs poorly and continues to have serious issues due to adverse condition of the wireless channel. Besides, EDCA cannot satisfy the high bandwidth that a video application requires. Recently, the 802.11aa is addressing the multicast limitation of audio and video transport stream; because EDCA needs improvements to support differentiation between video streams. The question is how to receive efficient multicast streaming video when the source node delivers simultaneously multicast and unicast flows?. This situation encourage us to design a new cross-layer scheme, based on the 802.11aa, to allow efficient and robust multicast transmission over WLAN. Our approach is called Cross-layer scheme-based Mapping, Scheduling and dynamic Arbitration Algorithms for Multicast Scalable Video Coding CMSAA-MSVC. We analyze the performance of the proposed architecture and evaluate it via simulations. Simulation results show that our approach performs better compared to the traditional EDCA mechanism and recent work in terms of E2ED and PSNR.","PeriodicalId":223152,"journal":{"name":"International Conference on Wireless Networks and Mobile Communications","volume":"36 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116600635","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
Energy and delay optimal epidemic relaying in delay tolerant networks 时延容忍网络中的能量和时延最优流行病中继
International Conference on Wireless Networks and Mobile Communications Pub Date : 1900-01-01 DOI: 10.1109/WINCOM.2015.7381330
Ahmed El Ouadrhiri, R. E. Azouzi, Mohamed El-Kamili
{"title":"Energy and delay optimal epidemic relaying in delay tolerant networks","authors":"Ahmed El Ouadrhiri, R. E. Azouzi, Mohamed El-Kamili","doi":"10.1109/WINCOM.2015.7381330","DOIUrl":"https://doi.org/10.1109/WINCOM.2015.7381330","url":null,"abstract":"In this paper we introduce a novel framework for the distributed control of DTNs in order to support message replication the devices acting as relays need to sacrifice part of their batteries. Due to the fact that feedback messages in DTNs cannot be used, the knowledge of the delivery status is unknown for the source. We model the problem as a Partially Observable Markov Decision Process (POMDP) and we derive an optimal policy for forwarding messages in the network; in fact the source node uses a belief to decide either to continue forwarding a message or not. We provide extensive numerical results to validate the proposed scheme in which our mechanism exchanges less messages than epidemic routing, hence, less energy is consumed.","PeriodicalId":223152,"journal":{"name":"International Conference on Wireless Networks and Mobile Communications","volume":"195 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":"124340706","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: 3
Microstrip Patch Antenna using a Parasitic Mushroom for 5GApplication at 28GHz 基于寄生菌的微带贴片天线在28GHz下的5g应用
International Conference on Wireless Networks and Mobile Communications Pub Date : 1900-01-01 DOI: 10.1109/WINCOM55661.2022.9966479
Tarik El Arrouch, Najiba El Amrani El Idrissi, Abdelaaziz El Ansari
{"title":"Microstrip Patch Antenna using a Parasitic Mushroom for 5GApplication at 28GHz","authors":"Tarik El Arrouch, Najiba El Amrani El Idrissi, Abdelaaziz El Ansari","doi":"10.1109/WINCOM55661.2022.9966479","DOIUrl":"https://doi.org/10.1109/WINCOM55661.2022.9966479","url":null,"abstract":"A novel broadband, high gain, rectangular patch antenna, with parasitic patches Mushroom for future 5G communications Networks is proposed in this study. The used substrate is Rogers RT Duroid 5880 with a dielectric constant 2.2 and a height of 0.56mm. The designed antenna has a compact structure (7.39×8×0.56) mm3, and resonates at 28GHz. The gain is improved by the use of parasitic patches at the edge of the main patch; while the bandwidth is expended by the introduction of two rectangular DGS on the ground plane. The return loss reached the value of −51dB; the gain reached a very important value of 8.04dBi with a wide bandwidth of 15.75GHz from 26.91GHz to 42.65GHz. Which makes the antenna good candidate for 5G applications.","PeriodicalId":223152,"journal":{"name":"International Conference on Wireless Networks and Mobile Communications","volume":"70 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":"125522924","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
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