GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.最新文献_第8页

Energy-aware resource allocation in WLAN mobile devices 无线局域网移动设备中的能量感知资源分配

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1578382

Junsung Kim, Minsu Shin, S. Shrestha, S. Chong

引用次数: 0

Integrated congestion-control mechanism in optical burst switching networks 光突发交换网络中的集成拥塞控制机制

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1578011

Sungchang Kim, B. Mukherjee, Minho Kang

{"title":"Integrated congestion-control mechanism in optical burst switching networks","authors":"Sungchang Kim, B. Mukherjee, Minho Kang","doi":"10.1109/GLOCOM.2005.1578011","DOIUrl":"https://doi.org/10.1109/GLOCOM.2005.1578011","url":null,"abstract":"Optical burst switching (OBS) is a promising solution to implement the optical Internet backbone. However, the lack of adequate congestion-control mechanisms may result in high burst loss. Schemes such as fiber delay line (FDL), wavelength conversion, and deflection routing to reduce burst collision are unable to prevent the network congestion effectively. To address this problem, we propose and investigate a global solution, called integrated congestion-control mechanism (ICCM), for OBS networks. ICCM, which combines congestion avoidance with recovery mechanism, restricts the amount of burst flows entering the network according to the feedback information from core routers to edge routers to prevent network congestion. Also, a flow-policing scheme is proposed to intentionally drop the overloaded traffic with a certain probability at a core router to support fairness among flows. Moreover, the transmission rate of each flow is controlled to achieve optimized performance such as maximizing throughput or minimizing loss probability using a two-step rate controller at the edge router. Simulation results show that ICCM effectively eliminates congestion within the network and that, when combined with a flow-policing mechanism, the fairness for competing flows can be supported while maintaining effective network performance","PeriodicalId":319736,"journal":{"name":"GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.","volume":"612 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123265590","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

Antenna partitioning for multiuser MIMO-CDMA MIMO-CDMA多用户天线划分

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1577908

Wan Choi, J. Andrews, R. Heath

引用次数: 1

Application layer addressing, routing and naming framework for overlays 覆盖层的应用层寻址、路由和命名框架

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1577774

D. Magoni, P. Lorenz

引用次数: 3

Protograph based LDPC codes with minimum distance linearly growing with block size 基于原型的LDPC代码，最小距离随块大小线性增长

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1577834

D. Divsalar, Christopher R. Jones, S. Dolinar, J. Thorpe

{"title":"Protograph based LDPC codes with minimum distance linearly growing with block size","authors":"D. Divsalar, Christopher R. Jones, S. Dolinar, J. Thorpe","doi":"10.1109/GLOCOM.2005.1577834","DOIUrl":"https://doi.org/10.1109/GLOCOM.2005.1577834","url":null,"abstract":"We propose several LDPC code constructions that simultaneously achieve good threshold and error floor performance. Minimum distance is shown to grow linearly with block size (similar to regular codes of variable degree at least 3) by considering ensemble average weight enumerators. Our constructions are based on projected graph, or protograph, structures that support high-speed decoder implementations. As with irregular ensembles, our constructions are sensitive to the proportion of degree-2 variable nodes. A code with too few such nodes tends to have an iterative decoding threshold that is far from the capacity threshold. A code with too many such nodes tends to not exhibit a minimum distance that grows linearly in block length. In this paper we also show that preceding can be used to lower the threshold of regular LDPC codes. The decoding thresholds of the proposed codes, which have linearly increasing minimum distance in block size, outperform that of regular LDPC codes. Furthermore, a family of low to high rate codes, with thresholds that adhere closely to their respective channel capacity thresholds, is presented. Simulation results for a few example codes show that the proposed codes have low error floors as well as good threshold SNR performance.","PeriodicalId":319736,"journal":{"name":"GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131579733","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: 103

A posteriori Rake finger selection in space-time coded CDMA systems 时空编码CDMA系统中的后验耙指选择

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-28 DOI: 10.1109/GLOCOM.2005.1578340

S. Kim, E. Y. Kim

引用次数: 0

Accurate evaluation of packet error probabilities considering bit-to-bit error dependence 考虑到位对位错误依赖的数据包错误概率的准确评估

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-14 DOI: 10.1109/GLOCOM.2005.1578212

K. Hamdi, L. Pap, E. Alsusa

引用次数: 3

Reduced QRD-M detector in MIMO-OFDM systems with partial and embedded sorting 基于局部分选和嵌入式分选的MIMO-OFDM系统中QRD-M检测器的减小

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-01 DOI: 10.1109/GLOCOM.2005.1577378

Yuanbin Guo, D. McCain

引用次数: 9

MC-CDMA performance in the presence of carrier frequency offset, sample clock offset and IQ imbalance MC-CDMA在载波频偏、采样时钟偏和IQ不平衡情况下的性能

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-01 DOI: 10.1109/GLOCOM.2005.1578367

F. Horlin, Stefaan De Rore, Eduardo Lopez-Estraviz, F. Naessens, L. Perre

引用次数: 5

Multi-node cooperative resource allocation to improve coverage area in wireless networks 提高无线网络覆盖面积的多节点协同资源分配

GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. Pub Date : 2005-11-01 DOI: 10.1109/GLOCOM.2005.1578319

A. Sadek, Zhu Han, K. Liu

引用次数: 17