发布求助
文献互助 智能选刊 最新文献

The 5th International Symposium on Wireless Personal Multimedia Communications最新文献

筛选
英文 中文
Effective MAC state transition for the mobile station power saving in 3G mobile communication systems 针对3G移动通信系统中移动站节能的有效MAC状态转换
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088311
Chang-Hoi Koo, Hokyu Choi, B. Bae
{"title":"Effective MAC state transition for the mobile station power saving in 3G mobile communication systems","authors":"Chang-Hoi Koo, Hokyu Choi, B. Bae","doi":"10.1109/WPMC.2002.1088311","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088311","url":null,"abstract":"The control hold mode from cdma2000 1x systems has been adapted to the 1xEV-DV (evolution data and voice) systems because it has a lot of benefits such as power saving, reducing of overload and channel interferences, etc. However d1xEV-DV system does not fully capture the benefits from control hold mode, because the MS has to do continuous monitoring the F-PDCCH indicating whether the BS sends packet data or not. That is, the MS has to do monitoring the F-PDCCH (forward packet data control channel) continuously to capture the MAC ID while in control hold mode like as an operation in active mode. This continuous monitoring of the F-PDCCH causes higher power consumption and gives an overload to the decoder block at the MS side. In this paper to resolve these problems, we propose a new channel, F-WUCH (forward wake-up channel), to maximize the power saving of the MS, to minimize the interferences and to reduce the overhead from the continuous monitoring of the F-PDCCH in the control hold mode.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128585933","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: 1
Investigating data broadcast performance in mobile ad-hoc networks 研究移动自组织网络中的数据广播性能
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088283
T. Clausen, L. Viennot, T. Olesen, N. Larsen
{"title":"Investigating data broadcast performance in mobile ad-hoc networks","authors":"T. Clausen, L. Viennot, T. Olesen, N. Larsen","doi":"10.1109/WPMC.2002.1088283","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088283","url":null,"abstract":"We investigate broadcasting in mobile ad-hoc networks (MANETs). We define broadcasting as being the process of delivering one packet, originated at one node, to (ideally) all other nodes in the MANET. We present specific problems related to broadcasting in MANETs, as well as four broadcast protocols aimed at providing MANET-wide broadcast. Further, three protocol-independent modifications are presented. One aimed at ensuring that a broadcast packet traverses at least the \"shortest path\" to its destinations, and two aimed at increasing the fraction of nodes which receive a broadcast packet. Through simulation studies, we evaluate the performance characteristics of the broadcast protocols and generic modifications under different conditions.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131021535","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: 23
Dynamics of slow receive power control in cellular CDMA networks 蜂窝CDMA网络慢速接收功率控制的动力学研究
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088312
A. Anpalagan
{"title":"Dynamics of slow receive power control in cellular CDMA networks","authors":"A. Anpalagan","doi":"10.1109/WPMC.2002.1088312","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088312","url":null,"abstract":"In multimedia cellular CDMA networks, different receive power levels are set based not only on different user requirements such as data rate and bit error rate but also on interference from other cells - this phenomenon is referred to as receive power control (RPC). We investigate how dynamic base station assignment (DBSA) can be used to adjust RPC (i.e., DRPC). It is shown that DBSA coupled with DRPC can improve the system performance in terms of minimizing total mobile transmit power. In effect, the above approach attempts to operate the wireless network approximately with equal total received power. Numerical results are presented to show the advantage of using DRPC.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131188751","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
Experiment of telecom/broadcasting mission using a high-altitude solar-powered aerial vehicle Pathfinder Plus 利用高空太阳能飞行器探路者Plus进行电信/广播任务试验
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088218
R. Miura, M. Maruyama, M. Suzuki, H. Tsuji, M. Oodo, Yuichiro Nishi
{"title":"Experiment of telecom/broadcasting mission using a high-altitude solar-powered aerial vehicle Pathfinder Plus","authors":"R. Miura, M. Maruyama, M. Suzuki, H. Tsuji, M. Oodo, Yuichiro Nishi","doi":"10.1109/WPMC.2002.1088218","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088218","url":null,"abstract":"A series of telecommunication and broadcasting tests using a high-altitude platform in the stratosphere at an altitude of 20 km was carried out on the Hawaiian island of Kauai in June-July 2002. For the high-altitude platform, we used a NASA solar-powered unmanned aerial vehicle (UAV), Pathfinder Plus. The tests were successfully completed, and the first in the world. This paper provides the configuration of the tests and reports some of their results.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128126413","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: 18
Investigating the impact of partial topology in proactive MANET routing protocols 研究部分拓扑对主动MANET路由协议的影响
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088405
T. Clausen, P. Jacquet, L. Viennot
{"title":"Investigating the impact of partial topology in proactive MANET routing protocols","authors":"T. Clausen, P. Jacquet, L. Viennot","doi":"10.1109/WPMC.2002.1088405","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088405","url":null,"abstract":"We study the impact of using partial versus full topology in the OLSR (optimized link state routing) protocol for MANETs (mobile ad hoc networks). The core of OLSR is the notion of multi-point relays (MPRs), serving the purpose of reducing the amount of link-state information flooded to nodes in the network, as well as reducing the redundancy in the flooding process. The OLSR protocol specification contains a tunable parameter, MPR coverage, which adjusts the degree of redundancy in both the advertised link-state information, and the links over which the link-state information is advertised. We investigate the impact of assigning various values to this parameter. We further investigate two options for advertising additional link-state information: the \"MPR full link-state\" option implies that whenever a node is selected to declare any link-state information, it declares all its local link state information; the \"full link-state\" option states, that all nodes must declare all their local link-state information. Through simulations, we investigate the performance characteristics of OLSR with and without these options.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128999894","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: 40
Integrated approach to low latency in mixed wired and wireless environment 有线和无线混合环境下低延迟的集成方法
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088404
A. Prasad, S. Andresen
{"title":"Integrated approach to low latency in mixed wired and wireless environment","authors":"A. Prasad, S. Andresen","doi":"10.1109/WPMC.2002.1088404","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088404","url":null,"abstract":"Future systems are planned to have IP based networks providing full multimedia services. To succeed with new services one has to look at points for improvement in current networks. A project at NTNU is studying elements that can be simplified in current and future networks to provide the required quality of service. Study for GSM shows that end-to-end delay can be reduced by 50%. We can extend this work to IP based 3GPP networks.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127085960","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
Efficient representation and feedback signaling of channel state information in frequency division duplexing MIMO systems 分频双工MIMO系统中信道状态信息的有效表示与反馈信令
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088213
C. A. Jotten, P. W. Baier, M. Meurer, T. Weber, M. Haardt
{"title":"Efficient representation and feedback signaling of channel state information in frequency division duplexing MIMO systems","authors":"C. A. Jotten, P. W. Baier, M. Meurer, T. Weber, M. Haardt","doi":"10.1109/WPMC.2002.1088213","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088213","url":null,"abstract":"In order to fully benefit from the potential offered by the application of multiple-input-multiple-output (MIMO) configurations in mobile radio systems, the knowledge of the radio channels should be available and considered in the signal processing algorithms both at the transmitter and the receiver. At the receiver this knowledge can be gained by state of the art training sequence based, semi-blind or blind channel estimation. However, at the transmitter the channel knowledge is not readily available and has to be imparted from the receiver by signaling the relevant information back to the transmitter, which ties up transmission resources. Therefore, a cost efficient signaling concept for this purpose is proposed, which relies on subspace methods. A quantitative example is discussed to show how this concept can be applied and how it performs in different scenarios.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122793397","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
Performance of adaptive learning schemes for adaptive modulation 自适应调制中自适应学习方案的性能
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088337
C. Tang
{"title":"Performance of adaptive learning schemes for adaptive modulation","authors":"C. Tang","doi":"10.1109/WPMC.2002.1088337","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088337","url":null,"abstract":"Adaptive modulation has emerged as a prime technique in wireless systems to improve system capacity and spectral efficiency. Its basic idea is to adapt the modulation scheme to the fading channel quality, using different schemes for different channel conditions. Therefore, a primary issue is to determine the thresholds for switching between the modulation schemes. Typically, these thresholds are fixed. Recently, a novel adaptive learning approach capable of dynamically adjusting the thresholds to maximize a performance criterion, for example the data throughput, was introduced (see Tang, C., 2001 Int. Conf. on Third Generation Wireless and Beyond, p.30-5, 2001; IEEE 54th Vehicular Technology Conf., vol.1, p.144-8, 2001). The paper presents further simulation results for this new method.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126606788","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: 1
Tolerable range of uniform bandpass sampling for software defined radio 软件无线电均匀带通采样的可容忍范围
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088295
Miheung Choe, Hyunduk Kang, Kiseon Kim
{"title":"Tolerable range of uniform bandpass sampling for software defined radio","authors":"Miheung Choe, Hyunduk Kang, Kiseon Kim","doi":"10.1109/WPMC.2002.1088295","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088295","url":null,"abstract":"Bandpass sampling is an useful alternative to directly convert analog bandpass signals to digital signals without down conversion for software defined radio since a desired input signal to the receiver is normally the bandpass signal with higher carrier frequency. In practice, the real circuit components will deviate from their normal design values due to manufacturing tolerance, and environmental change. To cope with it, we, propose a sampling range with the normal placement when there exist the deviations of sampling and carrier frequencies.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":" 22","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113953227","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: 1
Error control and concealment for video transmission using data hiding 基于数据隐藏的视频传输错误控制与隐藏
The 5th International Symposium on Wireless Personal Multimedia Communications Pub Date : 2002-12-16 DOI: 10.1109/WPMC.2002.1088289
M. Carli, D. Bailey, M. Farias, S. Mitra
{"title":"Error control and concealment for video transmission using data hiding","authors":"M. Carli, D. Bailey, M. Farias, S. Mitra","doi":"10.1109/WPMC.2002.1088289","DOIUrl":"https://doi.org/10.1109/WPMC.2002.1088289","url":null,"abstract":"A new approach for error control and concealment is proposed. The method uses data hiding to transmit the redundancy necessary to recover data lost during transmission. The embedded data is a reduced binary version of each frame generated using wavelet transform and dithering techniques. The method is robust and does not result in an increase of the bit rate.","PeriodicalId":420635,"journal":{"name":"The 5th International Symposium on Wireless Personal Multimedia Communications","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122947486","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: 12
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信