2013 IEEE Globecom Workshops (GC Wkshps)最新文献_第5页

LED holographic beam-steering for visible-light communications 用于可见光通信的LED全息光束控制

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825139

T. Tran, D. O’brien

引用次数: 3

Ecology-inspired coexistence of heterogeneous wireless networks 生态启发的异构无线网络共存

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6855730

Kaigui Bian, J. Park, Xiaojiang Du, Xiaoming Li

{"title":"Ecology-inspired coexistence of heterogeneous wireless networks","authors":"Kaigui Bian, J. Park, Xiaojiang Du, Xiaoming Li","doi":"10.1109/GLOCOMW.2013.6855730","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6855730","url":null,"abstract":"A number of wireless standards (e.g., IEEE 802.11af and IEEE 802.22) have been developed or are currently being developed for enabling opportunistic access in TV white space (TVWS) using cognitive radio (CR) technology. When heterogeneous CR networks that are based on different wireless standards operate in the same TVWS, coexistence issues can potentially cause major problems. Enabling collaborative coexistence via direct coordination between heterogeneous CR networks is very challenging due to incompatible MAC/PHY designs of coexisting networks. Moreover, the direct coordination would require competing networks or service providers to exchange sensitive control information that may raise conflict of interest issues and customer privacy concerns. In this paper, we present an architecture for enabling collaborative coexistence of heterogeneous CR networks over TVWS, called Symbiotic Heterogeneous coexistence ARchitecturE (SHARE). By mimicking the symbiotic relationships (i.e., the interspecific competition process) between heterogeneous organisms in a stable ecosystem, SHARE establishes an indirect coordination mechanism for spectrum sharing between heterogeneous CR networks via a mediator system, which avoids the drawbacks of direct coordination. Analytical and simulation results show that SHARE allocates spectrum among coexisting networks in a weighted-fair manner without any inter-network direct coordination.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"268 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":"115241456","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: 16

Adaptive QoS-aware resource allocation for high-speed mobile LTE wireless systems 高速移动LTE无线系统的自适应qos感知资源分配

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825112

Yifan Zhang, Muqing Wu, Rui Zhang, Panfeng Zhou, Shiping Di

引用次数: 8

DRX and QoS-aware energy-efficient uplink scheduling for long term evolution 基于DRX和qos的长期演进节能上行调度

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6855684

Ozgur Ergul, Ozgur Yilmaz, A. Koç, O. Akan

{"title":"DRX and QoS-aware energy-efficient uplink scheduling for long term evolution","authors":"Ozgur Ergul, Ozgur Yilmaz, A. Koç, O. Akan","doi":"10.1109/GLOCOMW.2013.6855684","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6855684","url":null,"abstract":"Discontinuous reception (DRX) is supported in 3GPP Long Term Evolution (LTE) to reduce power consumption of user equipments (UEs). Power conservation achieved via DRX can be further increased with a packet scheduler that takes DRX states into consideration. Thus, in addition to quality of service (QoS) and fairness factors, which have been the main focus so far in scheduler design, energy efficiency must also be considered in scheduling. In this paper, we introduce a DRX and QoS-aware uplink packet scheduling algorithm (DQEPS) for LTE networks. One of the main reasons of poor DRX utilization is the continuous uplink packet traffic generated by applications working in the background. Accordingly, we first layout the cumulative distribution functions (CDF) of inter-packet arrival durations constructed by inspecting uplink packet transmission for various applications. Then, we form metrics for each bearer using these CDFs along with the DRX states, QoS parameters, channel conditions, and the buffer status of the bearers. Using these metrics, we develop a scheduling algorithm for the uplink, which aims to maximize power conservation of DRX mechanism by scheduling packets in a way that tries to minimize ON duration, while meeting the QoS requirements. Performance evaluations indicate that DQEPS reduces power consumption significantly compared to the previously proposed methods for LTE.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"67 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":"114531873","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: 7

TRICS: A distributed MAC layer scheduling algorithm for concurrent transmissions in MIMO wireless mesh networks TRICS:用于MIMO无线网状网络中并发传输的分布式MAC层调度算法

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6824999

M. Rafique

引用次数: 0

Back to normal? Impact of temporally increasing network disturbances on QoE 恢复正常?暂时增加的网络干扰对QoE的影响

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825154

Junaid M. Shaikh, M. Fiedler, P. Paul, S. Egger, F. Guyard

{"title":"Back to normal? Impact of temporally increasing network disturbances on QoE","authors":"Junaid M. Shaikh, M. Fiedler, P. Paul, S. Egger, F. Guyard","doi":"10.1109/GLOCOMW.2013.6825154","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6825154","url":null,"abstract":"Brief episodes of network faults and performance issues adversely affect the user Quality of Experience (QoE). Besides damaging the current opinions of users, these events may also shape user's future perception of the service. Therefore, it is important to quantify the impact of such events on QoE over time. In this paper, we present our findings on the temporal aspects of user feedback to disturbances on networks. These findings are based on subjective user tests performed in the context of web browsing on an e-commerce website. The results of this study suggest that the QoE drops significantly every time the page load time grows. The after-effects of network disturbances on user QoE remain visible even when the network problems are over, i.e., users do not immediately return to the same level of opinion scores as compared to the corresponding pre-disturbance phase. They tend to remember their recent experiences. Our results also show that there are four segments of users that exist with regards to their feedback to page load times. Network operators may customize their services according to each segment of users to raise the overall QoE. Finally, we show that the exponential relationship provides best fits of QoE and page load times for all segments of users.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"500 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":"123465532","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: 10

WiLo: A Rate Determination Algorithm for HAS video in wireless networks and low-delay applications WiLo:无线网络和低延迟应用中用于HAS视频的速率确定算法

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825039

S. Benno, Andre Beck, Jairo O. Esteban, Les J. Wu, Raymond B. Miller

引用次数: 7

Knowledge functional block for E-UTRAN E-UTRAN的知识功能块

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825127

Aimilia Bantouna, K. Tsagkaris, P. Demestichas

引用次数: 0

Power-efficient resource allocation for QoS provisioning in underwater MIMO-OFDM acoustic cooperative wireless networks 水下MIMO-OFDM声学协同无线网络中节能资源分配的QoS提供

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6855689

Ping-Chung Wang, Xi Zhang, Mei Song

{"title":"Power-efficient resource allocation for QoS provisioning in underwater MIMO-OFDM acoustic cooperative wireless networks","authors":"Ping-Chung Wang, Xi Zhang, Mei Song","doi":"10.1109/GLOCOMW.2013.6855689","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6855689","url":null,"abstract":"In recent years, the multiple-input-multiple-output (MIMO), the orthogonal frequency division multiplexing (OFD- and the relay communication techniques have significantly improved the important performance of radio wireless communication networks. Due to its wide and critical applications, we can also apply these techniques into the underwater acoustic (UWA) wireless networks. In this paper, we propose the power-efficiency resource allocation scheme for tradeoff between the power consumption and quality of service (QoS) of multimedia applications in a relay-based underwater MIMO-OFDM acoustic cooperative wireless networks. Our objective is to efficiently minimize the total power/energy consumption while supporting the QoS-guaranteed services for multimedia applications over underwater MIMO-OFDM acoustic cooperative wireless networks. To achieve these goals, we propose a joint optimization of source and relay network transmit power with the QoS-constraint for the relay-based MIMO-OFDM underwater acoustic cooperative wireless networks. We conduct the extensive simulations to validate and evaluate our proposed scheme, showing its superiority over the other existing schemes.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"25 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":"129886870","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: 11

Enhancing abstract multiparty transport through Network Coding 通过网络编码增强抽象多方传输

2013 IEEE Globecom Workshops (GC Wkshps) Pub Date : 2013-12-01 DOI: 10.1109/GLOCOMW.2013.6825042

N. Coutinho, S. Sargento, R. Prior

{"title":"Enhancing abstract multiparty transport through Network Coding","authors":"N. Coutinho, S. Sargento, R. Prior","doi":"10.1109/GLOCOMW.2013.6825042","DOIUrl":"https://doi.org/10.1109/GLOCOMW.2013.6825042","url":null,"abstract":"In recent years there has been an increasing interest in multiparty multimedia services that, associated with the new trends in content consumption (e.g. mobility, heterogeneity, high-definition), raised novel challenges. This fact motivates the research towards new techniques that are capable of improving the user experience while simultaneously making a rational use of the network resources. Network Coding (NC) is one of those techniques. It has gained a notorious relevance due to its ability to optimize network throughput and resilience to packet losses. In this work we propose a context-driven framework for multiparty content delivery using NC to enhance the reliability of the services provided. We propose and evaluate two different approaches: a static one, where the level of redundancy remains constant, and a dynamic one, where the control framework autonomously adjusts the redundancy to the sensed quality of service, deriving coding parameters from network context information. We found that while the static scheme achieves better results in terms of recovered information, it comes at the cost of sometimes excessive redundant information. On the other hand, tuning NC with context parameters in the dynamic scheme saves more network resources with a small penalty in the recovered information.","PeriodicalId":174992,"journal":{"name":"2013 IEEE Globecom Workshops (GC Wkshps)","volume":"1957 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":"129331494","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