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Proceedings of GLOBECOM '95最新文献

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Codes for combating non-linearity in partial response channels 对抗部分响应信道非线性的代码
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502632
Y. Li, Sin Yun Hsu, T. Tsao
{"title":"Codes for combating non-linearity in partial response channels","authors":"Y. Li, Sin Yun Hsu, T. Tsao","doi":"10.1109/GLOCOM.1995.502632","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502632","url":null,"abstract":"A rate 2/5 (2, 7/6) constrained code is designed. This code finds applications in partial response recording channels suffering from non-linearity. A 12-state finite state transition diagram (FSTD) encoder of this code is derived via judiciously splitting and merging states during code design. The state-independent decoder of this code is designed, requiring one current codeword, one future codeword, and two preceding codewords to decode one current codeword. This code combines the constraints of both (2, 7) and (0, k/I) codes, and thus outperforms (2, 7) or (0, k/I) codes in certain applications. The power spectrum of this code is evaluated and analyzed.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124251133","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
Real-time processing for virtual circuits in ATM switching ATM交换中虚拟电路的实时处理
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502702
C. Woodworth, S. Paul, M. Karol
{"title":"Real-time processing for virtual circuits in ATM switching","authors":"C. Woodworth, S. Paul, M. Karol","doi":"10.1109/GLOCOM.1995.502702","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502702","url":null,"abstract":"We propose adding real-time hardware primitives to packet switches, ATM in particular, to provide efficient support for inward multicasting similar to some of today's switches that support real-time multicast in the switch hardware. To implement this, we propose extending the lookup table used for routing by adding additional opcode and operand fields (or pointers to those fields) into the routing table and by including ALU circuitry to process these fields and corresponding fields in the arriving cells. With the rapid capacity growth of today's RAM and the modest gate count required for ALUs, memory word widths can be extended with minimal additional chip count and the ALU can be a small addition in a header processing VLSI, thereby giving only a modest increase in complexity. The benefit of including real-time processing in the switch is that it is now possible to solve the ACK implosion problem associated with high-speed reliable multicasting transport protocols. By keeping the primitives as general as possible, other applications can benefit from these real-time primitives.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123721730","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
Essential factors for full-interactive VOD server: video file system, disk scheduling, network 全交互式VOD服务器的基本要素:视频文件系统、磁盘调度、网络
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502041
M. Asai, K. Shibata, M. Igawa, Yunnghee Kim, M. Sato, Y. Takiyasu
{"title":"Essential factors for full-interactive VOD server: video file system, disk scheduling, network","authors":"M. Asai, K. Shibata, M. Igawa, Yunnghee Kim, M. Sato, Y. Takiyasu","doi":"10.1109/GLOCOM.1995.502041","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502041","url":null,"abstract":"There are many problems to be solved for realizing full-interactive on-demand service. It is essential to increase the number of simultaneously accessible streams, achieve time control of the delivering streams, and be able to deliver requested titles and serve trick plays with a quick response. A method to solve each of these problems is proposed, in terms of the video file system, disk scheduling, and the network. A prototypical VOD system is constructed, which includes an interactive network-interface, application protocols and title management. It is confirmed that these proposals are feasible.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121194372","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
Performance of integrated services on a high speed multimedia network 高速多媒体网络下的综合业务性能
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502037
Y.H. Wang, L. Chen, K. Cheung
{"title":"Performance of integrated services on a high speed multimedia network","authors":"Y.H. Wang, L. Chen, K. Cheung","doi":"10.1109/GLOCOM.1995.502037","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502037","url":null,"abstract":"We study the performance of integrated services on a multiaccess integrated bus/ring network called the ACTA (Adaptive Cycle Tunable Access) network. It is based on an adaptive variation of the cycle lengths according to the network load. The multimedia traffic characteristics are first discussed. We then present a simulation study of the integration of voice/video/data traffic on the ACTA network. The results show that the ACTA network can support multiple services very well, thus, it can serve as a low-cost stand-alone multimedia LAN/MAN or a traffic concentrator for ATM networks.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114721890","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
Effectiveness of the LB-SELA policing mechanism in an ATM network node LB-SELA监管机制在ATM网络节点中的有效性
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502004
A. V. Vasilakos, A.F. Atlasis
{"title":"Effectiveness of the LB-SELA policing mechanism in an ATM network node","authors":"A. V. Vasilakos, A.F. Atlasis","doi":"10.1109/GLOCOM.1995.502004","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502004","url":null,"abstract":"The policing problem is one of the most critical congestion control problems in ATM networks. It has been proved that the leaky bucket (LB), the most well known traffic enforcement mechanism, does not achieve to control efficiently the behaviour of a source. We investigate the performance of a new policing mechanism, called LB-SELA, compared with LB, in an internodal node where many sources share the same buffer. As the simulation results show, the better control of a source by LB-SELA leads to fewer cell losses and to smaller cell delays. Thus, it achieves better statistical gain and it guarantees QoS constraints much better than the original LB does.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124039711","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
Performance analysis of delay-loss priority mechanism using Markov modulated arrival stream 基于马尔可夫调制到达流的延迟损失优先级机制性能分析
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502635
Moon-Ho Lee, Youngsong Mun, Byunggi Kim
{"title":"Performance analysis of delay-loss priority mechanism using Markov modulated arrival stream","authors":"Moon-Ho Lee, Youngsong Mun, Byunggi Kim","doi":"10.1109/GLOCOM.1995.502635","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502635","url":null,"abstract":"This paper proposes a new mechanism to handle the delay and loss requirements of ATM traffic. It is designed to satisfy the different levels of cell loss performance for the two classes of heterogeneous nonreal-time ATM traffic as well as the delay and loss requirements of real-time traffic. The cell arrivals of input streams are modeled by Markov modulated Poisson processes. Both a real-time buffer and a nonreal-time buffer are served by a common server. The buffer occupancies of each traffic are controlled by the partial buffer sharing scheme. The steady state probabilities of the queue length distributions are obtained using the stochastic integral approach. Numerical examples are shown to confirm the effectiveness of the proposed delay-loss priority mechanism.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127763717","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: 8
A realistic emission analysis for a wireless handset coupled with a human body using FDTD 用时域有限差分法分析无线手机与人体耦合的真实发射
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502032
Robert Baurele, Mahbub Hoque
{"title":"A realistic emission analysis for a wireless handset coupled with a human body using FDTD","authors":"Robert Baurele, Mahbub Hoque","doi":"10.1109/GLOCOM.1995.502032","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502032","url":null,"abstract":"The increase in demand for wireless communication has raised concern for sustained operation in different electromagnetic (EM) environments. Interference caused by such EM environments is critically dependent on several factors, such as operating frequency, transmitted power of the wireless device, operating environment (responsible for signal scattering), and coupling between the wireless device and the operator. The object of this investigation is to quantify the interference effects caused by (portable) wireless handsets into other electrical devices in a realistic environment, which considers the coupling between the human body and the handset.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126485317","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
Management of ATM port relay systems ATM端口中继系统的管理
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.500339
A. Gillespie
{"title":"Management of ATM port relay systems","authors":"A. Gillespie","doi":"10.1109/GLOCOM.1995.500339","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.500339","url":null,"abstract":"The ATM port relay approach has been devised to overcome the limitation on port addresses on the ATM NNI interfaces through taking advantage of the flexibility in the ATM transmission convergence sublayer. Work in ETSI on a V/sub B5/ reference point between a switch and an access network which makes use of the port relay concept started in mid 1994. The associated management must support OAM flows across the V/sub B5/ reference point and requires an object model which is compatible with existing standards. This paper shows how the blocking functions of the V5 interface can be supported on the V/sub B5/ using alarm OAM cells to represent X.731 state information, and how the existing ATM modelling naturally leads to a model for port relay.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127977097","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
A control engineer's look at ATM congestion avoidance 控制工程师对自动取款机拥塞避免的看法
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502572
Charles E. Rohrs, Randall A. Berry, S. O'Halek
{"title":"A control engineer's look at ATM congestion avoidance","authors":"Charles E. Rohrs, Randall A. Berry, S. O'Halek","doi":"10.1109/GLOCOM.1995.502572","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502572","url":null,"abstract":"Algorithms for controlling congestion are critical for the success of ATM networks. The various sample algorithms appearing in the literature have in common significant non-linearities that make these algorithms difficult to analyze using the tools of classical control theory. This paper reports on the beginnings of a research program that considers the ATM congestion control problem from the point of view of control theorist. A control scheme is developed that can be designed and analyzed using well established linear control theory. There is promise that as this approach is further developed it offers hope that analysis can assure reasonable behavior in the large scale system setting of ATM networks.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134030240","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: 38
An efficient medium access control protocol for high-speed networks 一种高效的高速网络介质访问控制协议
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502016
Mounir Hamdi, Khaled Ben Letaief, Jun Gu
{"title":"An efficient medium access control protocol for high-speed networks","authors":"Mounir Hamdi, Khaled Ben Letaief, Jun Gu","doi":"10.1109/GLOCOM.1995.502016","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502016","url":null,"abstract":"In this paper, we propose a new medium access control (MAC) layer protocol, called optical reservation multiple access (ORMA), which is suitable for data traffic on a folded bus high-speed MANs and LANs. Its main feature is an optical reservation technique, to allow stations to reserve transmission slots, which is attractive for use in high-speed networks. Unlike traditional protocols where reservation is mostly done using software, ORMA performs its reservation function using simple and efficient optical hardware circuits. A complete description of the ORMA protocol is given. Then, ORMA is shown to achieve high throughput and small transmission delays while preserving the fairness of the whole network.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131644304","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
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