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IEEE International Conference on Communications, Including Supercomm Technical Sessions最新文献

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Low-cost digital passive optical networks 低成本数字无源光网络
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117160
A. Cook, D. Faulkner, P.J. Smith, R.A. Lobbett
{"title":"Low-cost digital passive optical networks","authors":"A. Cook, D. Faulkner, P.J. Smith, R.A. Lobbett","doi":"10.1109/ICC.1990.117160","DOIUrl":"https://doi.org/10.1109/ICC.1990.117160","url":null,"abstract":"Techniques for reducing the cost of providing digital telephony and broadband services to the home over passive optical networks are proposed. These include the use of optical transceivers in an optical TDMA (time-division multiple access) telephony system and using low-cost consumer technology in providing a digital CATV (cable television) service using TDM (time division multiplexing).<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130055354","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
Dynamic bandwidth allocation and congestion control schemes for voice and data multiplexing in wideband packet technology 宽带分组技术中语音和数据复用的动态带宽分配和拥塞控制方案
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117225
K. Sriram
{"title":"Dynamic bandwidth allocation and congestion control schemes for voice and data multiplexing in wideband packet technology","authors":"K. Sriram","doi":"10.1109/ICC.1990.117225","DOIUrl":"https://doi.org/10.1109/ICC.1990.117225","url":null,"abstract":"The author describes a novel bandwidth allocation method called the (T/sub 1/, T/sub 2/) scheme. It efficiently integrates packetized voice and data traffic. Voice and data packets are queued separately, and the (T/sub 1/, T/sub 2/) scheme is used to facilitate dynamic bandwidth sharing and mutual overload protection between the two queues. T/sub 1/ and T/sub 2/ are time limits for transmitting voice and data packets continually while the voice and data queues are visited alternately. The scheme guarantees bandwidths to voice and data in the proportion of their respective time slice allocations, T/sub 1/ and T/sub 2/. However, the bandwidth allocations are flexible in the sense that whenever one queue is exhausted, the transmission is immediately moved over to the other queue if it has a packet waiting to be served. The system also implements a voice block dropping scheme in which the less significant bits in voice packets are dropped during periods of congestion. The author presents results based on a simulation model which illustrate that the two schemes together provide the desired performance in terms of very good voice quality, low delay and packet loss, efficient use of transmission bandwidth, and protection in overload.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128910477","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: 56
Packet transmission and switching in advanced wireless information networks 先进无线信息网络中的分组传输和交换
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117311
D. Goodman
{"title":"Packet transmission and switching in advanced wireless information networks","authors":"D. Goodman","doi":"10.1109/ICC.1990.117311","DOIUrl":"https://doi.org/10.1109/ICC.1990.117311","url":null,"abstract":"The author looks ahead to third-generation wireless networking. The vision is a single set of standards that can meet a wide range of wireless access applications. Third-generation systems, in harmony with broadband integrated services digital networks, will use shared resources to convey many information types. A single network architecture will serve its users efficiently in many environments, including moving vehicles, indoor and outdoor public areas, residences, offices, and factories. A switching architecture referred to as a cellular packet switch, and a packet transmission technique referred to as packet reservation multiple access, are being studied. The author describes both techniques and shows how they can work together to meet the demands of third-generation wireless networking.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121633183","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
Correlation-based fast training of data-driven Nyquist in-band echo cancellers 基于相关性的数据驱动奈奎斯特带内回波消除器快速训练
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117277
F. Ling, G. Long
{"title":"Correlation-based fast training of data-driven Nyquist in-band echo cancellers","authors":"F. Ling, G. Long","doi":"10.1109/ICC.1990.117277","DOIUrl":"https://doi.org/10.1109/ICC.1990.117277","url":null,"abstract":"A novel echo canceller fast training scheme for data-driven 'Nyquist' in-band echo cancellers is presented. This scheme simultaneously estimates the near and far echo canceller coefficients by sending a special periodic training sequence and correlating a segment of the sequence with the real echo samples of the sequence. The requirements and the generation of such a training sequence are discussed and described in detail. Fast initialization of a phase-roll compensator is also discussed. The proposed scheme is compared with other echo canceller training schemes.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121836360","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: 9
ISDN applications deployment via prototyping 通过原型部署ISDN应用程序
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117338
L.L. Tai
{"title":"ISDN applications deployment via prototyping","authors":"L.L. Tai","doi":"10.1109/ICC.1990.117338","DOIUrl":"https://doi.org/10.1109/ICC.1990.117338","url":null,"abstract":"New ISDN automatic call distributor features have been demonstrated via a prototyping approach. The author demonstrates how a prototype can be used to uncover technical issues and identify an unfamiliar application. She shows how it gives an early evaluation of the practicality of the system/design and, hence, an evaluation of some business decision operations.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121181662","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
Advanced intelligent network service model 先进的智能化网络服务模式
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117078
P. A. Russo
{"title":"Advanced intelligent network service model","authors":"P. A. Russo","doi":"10.1109/ICC.1990.117078","DOIUrl":"https://doi.org/10.1109/ICC.1990.117078","url":null,"abstract":"The author proposes a method for conceptualizing and potentially designing advanced intelligent network (AIN) services for the evolving telecommunications networks of the Regional Bell Operating Companies. The method utilizes a logical service model based on a systems view of these networks, as seen by users. Object-oriented techniques are used to describe a small set of modular classes of service objects that can be reused to design a robust set of AIN services. These techniques provide a means of shielding service designers from the underlying technical complexity of the networks and allow the model to evolve as the networks evolve. The author introduces the motivation for the service model and describes the following: the context in which the model was initially developed; the user/network relationship upon which the model is based: the methodology used to develop the model; a high-level view of the entities of the model, and conclusions about the use of the model.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122354096","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
Operations and management standards for telecommunications infrastructures in the information age 信息时代电信基础设施运营管理标准
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117047
B. A. King, S. Chum
{"title":"Operations and management standards for telecommunications infrastructures in the information age","authors":"B. A. King, S. Chum","doi":"10.1109/ICC.1990.117047","DOIUrl":"https://doi.org/10.1109/ICC.1990.117047","url":null,"abstract":"It is noted that telecommunications providers are actively preparing for the challenges of offering myriad services in the coming information age. For most companies, this preparation effort is primarily focused upon the anticipated needs of the customers. This focus could be transformed into an idealized model of the future telecommunications network's evolution. It is argued that this model should be based on the platform of standards currently being matured in the international and national telecommunications and computer standards bodies. It is also hoped that this idealized model could indicate some gaps in the current effort.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116364856","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
Improvements in availability and error performance of SONET compared to asynchronous transport systems 与异步传输系统相比，SONET在可用性和错误性能方面的改进
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117085
K. Nagaraj, J. Gruber, J. Leeson, B. Fleury
{"title":"Improvements in availability and error performance of SONET compared to asynchronous transport systems","authors":"K. Nagaraj, J. Gruber, J. Leeson, B. Fleury","doi":"10.1109/ICC.1990.117085","DOIUrl":"https://doi.org/10.1109/ICC.1990.117085","url":null,"abstract":"The SONET (synchronous optical network) and Async (asynchronous) systems are compared in the context of stringent network error performance and availability requirements for future video, imaging, and other critical services. It is asserted that the SONET approach should provide superior network performance owing to integrated functionality, resulting in correspondingly less exposure to operationally induced errors and outages, and fewer component failures. An analysis of the preliminary data supports this assertion. Significant improvements are also expected when the analysis is extended to the DS1 level. In particular, it is demonstrated by way of representative SONET- and Async-based hypothetical reference digital paths that the SONET approach significantly reduces the number of circuit packs, manual cross-connect panels, and associated jumper cables, patch cords, and connectors. Since these components are prone to failure and procedural errors, reduction in their numbers results in a significant improvement in error performance and availability of the transport network.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126709175","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: 9
Performance evaluation of error recovery schemes in high speed networks 高速网络中错误恢复方案的性能评价
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117172
A. Nilsson, Fuyung Lai
{"title":"Performance evaluation of error recovery schemes in high speed networks","authors":"A. Nilsson, Fuyung Lai","doi":"10.1109/ICC.1990.117172","DOIUrl":"https://doi.org/10.1109/ICC.1990.117172","url":null,"abstract":"Error control in high-speed communication networks is usually applied either as a link-by-link scheme or as an end-to-end scheme. The authors propose analytic performance models for comparing the performance of the link-by-link and end-to-end approaches with respect to error control. The models consider the effects of packet error rate, propagation delays of messages, separate virtual-circuit finite buffers, and timeout mechanisms. It is shown that the average end-to-end packet delay is affected by the packet error rate, the buffer size, the number of hops along the virtual-circuit, the traffic along the virtual circuit, and the processing overhead in the link layer. Thus, in a high-speed, low-error rate, optical-fiber network, the end-to-end error-recovery scheme can achieve shorter average end-to-end packet delay.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126889866","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
A space diversity channel model for multipath propagation measurements in New Zealand 新西兰多径传播测量的空间分集信道模型
IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI: 10.1109/ICC.1990.117255
M. Shafi, Walter Smith
{"title":"A space diversity channel model for multipath propagation measurements in New Zealand","authors":"M. Shafi, Walter Smith","doi":"10.1109/ICC.1990.117255","DOIUrl":"https://doi.org/10.1109/ICC.1990.117255","url":null,"abstract":"The authors describe the results of a 140 Mb/s 64 QAM (quadrature amplitude modulation) digital microwave radio field trial to characterize a space diversity channel model with maximum power (MAP) combining. Measurements were taken on a 60.8-km overwater route in New Zealand. To the spectral data collected from the field trial, a Rummler-type model has been fitted. The PDFs of the nondiversity and diversity channel model parameters are estimated from the measured data. The simulation of a MAP combiner on the nondiversity Rummler fits was found to be useful in obtaining statistics of the model parameters for a combined channel. It was found that the same general class of distributions could be used for the combined channel as was used for the nondiversity channel parameters. The combiner was effective in reducing in-band notch depths. The distributions of notch position and flat-fade component were not greatly altered by the combiner. Two diversity antenna spacings were compared, and the smaller spacing performed marginally better.<<ETX>>","PeriodicalId":126008,"journal":{"name":"IEEE International Conference on Communications, Including Supercomm Technical Sessions","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126919480","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
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