2013 IEEE Globecom Workshops (GC Wkshps)最新文献_第8页

QoS-oriented distributed opportunistic scheduling for wireless networks with hybrid links 具有混合链路的无线网络面向qos的分布式机会调度

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6855664

Wenguang Mao, Shanshan Wu, Xudong Wang

{"title":"QoS-oriented distributed opportunistic scheduling for wireless networks with hybrid links","authors":"Wenguang Mao, Shanshan Wu, Xudong Wang","doi":"10.1109/GLOCOMW.2013.6855664","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6855664","url":null,"abstract":"In this paper opportunistic scheduling is studied for a wireless network with hybrid links that have different characteristics and quality of service (QoS) requirements. More specifically, we consider two types of links coexisting in a network: 1) secure links for critical messages demanding physical layer security; 2) regular links for other messages. Since the transmission rate of a secure link is usually much lower than that of a regular link, fair sharing of the transmission opportunity between two types of links has some drawbacks: 1) if secure links generate more packets, the network throughput is low; 2) if regular links generate more packets, QoS of secure links may not be satisfied. To effectively schedule transmissions in a network with hybrid links, a QoS-oriented distributed opportunistic scheduling scheme is developed to maximize the overall system throughput under the constrains of QoS requirements of secure links. It is derived based on the optimal stopping theory. Performance results show that QoS of secure links can be gracefully guaranteed without necessarily compromising the overall throughput of hybrid links.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132813616","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

Churn prediction in subscriber management for mobile and wireless communications services 移动和无线通信服务用户管理中的流失预测

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825120

Utku Yabas, H. Cankaya

引用次数: 11

Performance evaluation and comparison of RObust Header Compression (ROHC) ROHCv1 and ROHCv2 for multimedia delivery 鲁棒报头压缩(ROHC) ROHCv1和ROHCv2多媒体传输性能评价与比较

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825044

Mate Tomoskozi, P. Seeling, F. Fitzek

{"title":"Performance evaluation and comparison of RObust Header Compression (ROHC) ROHCv1 and ROHCv2 for multimedia delivery","authors":"Mate Tomoskozi, P. Seeling, F. Fitzek","doi":"10.1109/GLOCOMW.2013.6825044","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6825044","url":null,"abstract":"In this paper the two implementations of RObust Header Compression (ROHC), namely ROHCv1 (RFC 3095) and ROHCv2 (RFC 5225), are evaluated in terms of potential throughput increase and complexity for wireless IP networks and compared with each other for different multimedia streams. In order to compress the header information to a minimum, RoHCv1 has been proposed some years back and recently RoHCv2 has been proposed with a complete redesign compared to its predecessor. The novelty of this paper is the presentation of the performance evaluation of ROHCv2 as well as a comparison between the two approaches that have never been published before. In addition, this paper presents real-world performance measurements of ROHCv2 for the first time. Our findings show that both versions have great potential in saving bandwidth for multimedia traffic in wireless networks, even with varying channel conditions by an IP/UDP/RTP header a compression gain of 83% and 86% is possible for ROHCv1 and ROHCv2, respectively. While the second version of ROHC is giving generally slightly better compression ratios than the first version, we found situations where the first version performs better.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134471204","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: 17

Software-defined networking in a multi-purpose DWDM-centric metro/aggregation network 以dwdm为中心的多用途城域/聚合网络中的软件定义网络

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825162

P. Ohlen, B. Skubic, Z. Ghebretensae, Wolfgang John, Meral Shirazipour

引用次数: 11

A MIMO protocol for camera communications (CamCom) using undersampled frequency shift ON-OFF keying (UFSOOK) 一种使用欠采样频移开关键控(UFSOOK)的摄像机通信(CamCom) MIMO协议

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825131

R. Roberts

引用次数: 47

Authentication in GPS-directed mobile clouds gps定向移动云中的身份验证

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825032

Jonathan A. Larcom, Hong Liu

引用次数: 5

Interest-based cooperative caching in multi-hop wireless networks 多跳无线网络中基于兴趣的协同缓存

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825056

Javed Iqbal, P. Giaccone

引用次数: 25

Autonomous opportunistic spectrum access in distributed femtocell networks 分布式飞蜂窝网络中的自主机会频谱接入

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6855695

Ahmed K. F. Khattab, K. Elsayed

{"title":"Autonomous opportunistic spectrum access in distributed femtocell networks","authors":"Ahmed K. F. Khattab, K. Elsayed","doi":"10.1109/GLOCOMW.2013.6855695","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6855695","url":null,"abstract":"Femtocells randomly deployed in a given macrocell coverage area share the wireless spectrum available to the macrocell. The unplanned and ad hoc nature of the femtocell deployment in the macrocell environment renders centralized frequency planning inapplicable. Furthermore, the femtocells are unable to apriori know neither the channel assignment of their neighbours nor the impact of their transmissions on nearby macrocell users due to the lack of explicit coordination. In this paper, we present the distributed Autonomous Opportunistic Channel Access (AOCA) framework that allows the femtocells to share the available spectrum with the overlaying macrocell without any kind of coordination neither between the macrocell and femtocells nor amongst the femtocells. Furthermore, it provides statistical guarantees on the performance of the macrocell users. We formulate the AOCA constrained spectrum access problem as non-linear program to find its optimized parameters' settings. Simulation results show that AOCA achieves multiple folds improvement in the average femtocell network rate due to its probabilistic and non-greedy access that enables multiple neighbouring femtocells to simultaneously use a given channel.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132346061","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

Secure transmission in multi-cell massive MIMO systems 多小区大规模MIMO系统中的安全传输

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825171

Jun Zhu, R. Schober, V. Bhargava

引用次数: 36

Large file distribution using efficient generation-based network coding 使用高效的基于生成的网络编码进行大型文件分发

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825025

Ye Li, S. Blostein, W. Chan

{"title":"Large file distribution using efficient generation-based network coding","authors":"Ye Li, S. Blostein, W. Chan","doi":"10.1109/GLOCOMW.2013.6825025","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6825025","url":null,"abstract":"To distribute a large amount of data through a network, much coordination information, such as packet scheduling and ARQ feedback, is needed between nodes. In this paper, we propose a network coding based scheme to ratelessly distribute data without any coordination between network nodes. To overcome the cubic decoding complexity of network coding, we follow a generation-based strategy, which groups the source packets into subsets called generations and only permits coding among packets belonging to the same generation. A maximum local potential innovativeness strategy is proposed to schedule transmissions of generations at intermediate nodes, where only local buffer information is needed. The transmission overhead at sink nodes, which is defined as the number of extra packets required for successful decoding caused by the non-optimal scheduling, is reduced by using overlapping generations where one source packet may be present in multiple generations. The and-or tree analysis technique is applied to analyze the performance of the overlapping generation-based network coding scheme and used to determine the optimal amount of overlap needed when constructing generations. The overall design is shown to achieve promising throughput rate while maintaining low decoding complexity.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133760303","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