34th IEEE Sarnoff Symposium最新文献_第3页

Energy efficient distributed power management algorithm with directional antenna for wireless sensor networks 面向无线传感器网络的定向天线节能分布式电源管理算法

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876471

N. Pradhan, T. Saadawi

引用次数: 5

Energy-efficient schemes for on-demand relaying 按需继电器的节能方案

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876473

Fanny Parzysz, M. Vu, F. Gagnon

引用次数: 0

Ensuring voters and candidates' confidentiality in E-voting systems 确保选民和候选人在电子投票系统中的机密性

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876452

Haijun Pan, E. Hou, N. Ansari

引用次数: 21

UE centric coordinated beamforming in multi-cell MU-MIMO systems 多小区MU-MIMO系统中以UE为中心的协调波束形成

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876454

Jialing Li, Yingxue Li, I. Lu

引用次数: 3

Allocating bandwidth in the resilient packet ring networks by PI controller 利用PI控制器在弹性分组环网中分配带宽

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876463

Fahd Alharbi, N. Ansari

{"title":"Allocating bandwidth in the resilient packet ring networks by PI controller","authors":"Fahd Alharbi, N. Ansari","doi":"10.1109/SARNOF.2011.5876463","DOIUrl":"https://doi.org/10.1109/SARNOF.2011.5876463","url":null,"abstract":"The Resilient Packet Ring (RPR), defined under IEEE 802.17, has been proposed as a high-speed backbone technology for metropolitan area networks. RPR is introduced to mitigate the underutilization and unfairness problems associated with the current technologies, SONET and Ethernet, respectively. The key performance objectives of RPR are to achieve high bandwidth utilization, optimum spatial reuse on the dual rings, and fairness. The challenge is to design an algorithm that can react dynamically to the traffics in achieving these objectives. The RPR fairness algorithm is comparatively simple, but it poses some critical limitations that require further investigation and remedy. One of the major problems is that the amount of bandwidth allocated by the algorithm oscillates severely under unbalanced traffic scenarios. These oscillations are barrier to achieving spatial reuse and high bandwidth utilization. Moreover, the performance of the RPR fairness algorithm is very sensitive to the algorithm parameter settings. In this paper, we apply Control Theory to solve the fairness issue. We construct a PI controller to dynamically adjust the fair rate in order to eliminate the state of congestion and to converge to the optimal fair rate.","PeriodicalId":339596,"journal":{"name":"34th IEEE Sarnoff Symposium","volume":"195 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114361174","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

Optimizing beyond the carrier by carrier proportional fair scheduler 优化超越载波的载波比例公平调度

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876485

Alexander X. Han, I. Lu

{"title":"Optimizing beyond the carrier by carrier proportional fair scheduler","authors":"Alexander X. Han, I. Lu","doi":"10.1109/SARNOF.2011.5876485","DOIUrl":"https://doi.org/10.1109/SARNOF.2011.5876485","url":null,"abstract":"The multi-carrier proportional fair scheduling (MC-PFS) problem in a multi-user system has been shown to be NP-hard. Carrier by carrier proportional fair scheduling (CC-PFS) is commonly used instead to allocate resources in real-time. Considering the sub-optimal nature of CC-PFS and its popularity, this paper formulates the optimization beyond CC-PFS as a constrained maximum sum rate problem (with users' data rates scheduled by CC-PFS as the constraint) and tackles the problem in two ways. Firstly, the problem is shown to be equivalent to the well-studied generalized assignment problem (GAP) under the assumption of infinitely backlogged data. By considering traffic arrivals, the problem becomes a nonlinear integer programming problem which can be solved by outer approximation (OA) algorithms. Secondly, the problem is shown to be equivalent to a classical trading problem, and a low complexity heuristic algorithm that can be run in real-time is developed based on trading resource blocks (RBs). Using a system scheduling many video call users, we show that in about half of the time slots, the sum rate can be improved over CC-PFS while each user transmits at least as many bits as scheduled by CC-PFS. The heuristic algorithm captures about 30% of the throughput improvement found by OA. Finally, the reason for the improvements over CC-PFS is found to be traffic arrival.","PeriodicalId":339596,"journal":{"name":"34th IEEE Sarnoff Symposium","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134493977","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

Dynamic system performance of SISO, MISO and MIMO Alamouti schemes SISO、MISO和MIMO Alamouti方案的动态系统性能

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876457

Dorra Ben Cheikh Battikh, J. Kélif, M. Coupechoux, P. Godlewski

引用次数: 13

Improved soft de-mapping scaling for a constrained MMSE receiver in OFDM MIMO systems OFDM MIMO系统中约束MMSE接收机的改进软去映射缩放

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876458

I. Lu, Hui-Yuan Teng

引用次数: 0

System design and network architecture for a millimeter-wave mobile broadband (MMB) system 毫米波移动宽带(MMB)系统设计与网络架构

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876444

Zhouyue Pi, F. Khan

引用次数: 46

MSOM based automatic modulation recognition and demodulation 基于MSOM的自动调制识别与解调

34th IEEE Sarnoff Symposium Pub Date : 2011-05-03 DOI: 10.1109/SARNOF.2011.5876460

Lei Zhou, Qiao Cai, Fangming He, H. Man

引用次数: 5