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MILCOM 92 Conference Record最新文献

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Analysis of an FDDI network supporting multiple-priority stations with single-packet buffers 分析一个支持具有单包缓冲的多优先级站的FDDI网络
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244170
I. Rubin, J.C.-H. Wu
{"title":"Analysis of an FDDI network supporting multiple-priority stations with single-packet buffers","authors":"I. Rubin, J.C.-H. Wu","doi":"10.1109/MILCOM.1992.244170","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244170","url":null,"abstract":"The authors present exact analysis of a nonsymmetric multipriority token ring network with single packet buffers under a timed-token protocol, similar to that used for medium access control of the Fiber Distributed Data Interface (FDDI) network. An efficient iterative procedure is used to compute the limiting state distributions of the embedded Markov chains representing the system state process. The authors obtain the distributions of the token rotation time, the normalized throughput, and the mean packet waiting time. By using conditional residual delay analysis, moments of the packet delay are computed. The application of the analytic approach is illustrated through numerical examples representing FDDI network systems under various traffic conditions.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133337992","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 CDMA/framed-ALOHA protocol for voice/data integration in hybrid satellite/terrestrial networks 一种用于混合卫星/地面网络中语音/数据集成的CDMA/帧式aloha协议
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244082
E. Geraniotis, M. Soroushnejad, W.‐B. Yang
{"title":"A CDMA/framed-ALOHA protocol for voice/data integration in hybrid satellite/terrestrial networks","authors":"E. Geraniotis, M. Soroushnejad, W.‐B. Yang","doi":"10.1109/MILCOM.1992.244082","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244082","url":null,"abstract":"The authors examine certain protocols for voice/data integration in hybrid satellite/terrestrial packet radio networks. In the ground subnetwork, code-division multiple-access with movable boundary in the code domain is used to serve the voice traffic and the retransmitted data traffic; on the satellite subnetwork, framed ALOHA with movable boundary is used for both data and voice. Based on a Markovian model of the system, the channel access protocols for both traffic types are analyzed. The performance of the above multiple-access schemes is evaluated in terms of voice and data throughput, voice blocking probability, and data delay. It is shown that splitting of retransmission traffic between the satellite and ground subnets increases the overall data throughput when the voice load is high.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133463010","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
New trends on high bit rate troposcatter links: a trade-off between tacticity and performance 高比特率对流层散射链路的新趋势:战术与性能之间的权衡
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244101
M. Darmon, J. Richard, B. Debray
{"title":"New trends on high bit rate troposcatter links: a trade-off between tacticity and performance","authors":"M. Darmon, J. Richard, B. Debray","doi":"10.1109/MILCOM.1992.244101","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244101","url":null,"abstract":"The authors describe how to build a very mobile troposcatter station with a radio and a modem which can handle up to 4 Mb/s transmission. This is achieved by the combination of equalization and differential demodulation, and by a patented technique for getting a high diversity order with only one amplifier and one antenna.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115373433","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
STGT multiple access beamforming equipment PC analysis system STGT多址波束形成设备PC分析系统
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244128
R. Avant, B. Younes, G. Dunko, S. Zimmerman
{"title":"STGT multiple access beamforming equipment PC analysis system","authors":"R. Avant, B. Younes, G. Dunko, S. Zimmerman","doi":"10.1109/MILCOM.1992.244128","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244128","url":null,"abstract":"The authors present a personal computer (PC)-based analysis tool to model the multiple access return (MAR) system of NASA's Second Tracking and Data Relay Satellite System (TDRSs) Ground Terminal (STGT). The MAR design, operational capabilities, and signal model are summarized. The STGT multiple access beamforming equipment (MABE) PC analysis system and its system objectives, modeling approach, functional operation and modeling, and overall operation are presented in detail. Example PC analysis results are presented.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114321996","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
Fixed reference shift keying modulation for mobile radio transmission in a fading channel environment 在衰落信道环境下移动无线电传输的固定参考移位键控调制
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244138
B.D. Freeman, R. Mammone
{"title":"Fixed reference shift keying modulation for mobile radio transmission in a fading channel environment","authors":"B.D. Freeman, R. Mammone","doi":"10.1109/MILCOM.1992.244138","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244138","url":null,"abstract":"A modulation/demodulation technique that provides a substantial performance improvement in phase and amplitude distorted channels typically encountered by moving vehicles receiving radio signals is presented. This technique, referred to as fixed reference shift keying, uses a pilot reference signal within the coherence bandwidth of the channel and instantaneous phase estimation techniques at the receiver. Signal estimation is performed using the difference in instantaneous phase estimates of the pilot and carrier received waveforms. This relative phase measurement ensures a degree of immunity to the phase distortion introduced by the channel, permitting a marked improvement in performance.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115051432","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
Error performance of coded SFH/DPSK in tone interference and AWGN 编码SFH/DPSK在音调干扰和AWGN下的误差性能
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244091
Q. Chen, Q. Wang, V. Bhargava
{"title":"Error performance of coded SFH/DPSK in tone interference and AWGN","authors":"Q. Chen, Q. Wang, V. Bhargava","doi":"10.1109/MILCOM.1992.244091","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244091","url":null,"abstract":"The coded performance of a slow-frequency-hopped differential-phase-shift-keying (SFH/DPSK) system in the presence of additive white Gaussian noise (AWGN) and tone jamming is studied. The error correlation due to DPSK demodulation and tone jamming is considered. The range of decoded performance is computed. A study of interleaving under various conditions shows that it greatly improves performance because it eliminates the correlation between code symbol errors. A nearly optimum code rate for a length-255 Reed-Solomon code is derived for systems using interleaving techniques.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116859240","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: 7
Interoperability architectures for distributed tactical systems 分布式战术系统的互操作性体系结构
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244133
L. Levin
{"title":"Interoperability architectures for distributed tactical systems","authors":"L. Levin","doi":"10.1109/MILCOM.1992.244133","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244133","url":null,"abstract":"The author reviews the basic concepts and formalisms that have been developed as part of the Open Systems Interconnection effort. By applying these concepts to a specific application domain, in this case tactical C3I (command, control, communications, and intelligence), one may specify architectures which promote interoperability rather than just interconnectivity. A number of the key terms and concepts relevant to open and interoperable systems are defined. This is followed by a discussion of both the capabilities and the limitations of various pieces of open technologies (e.g. standards, profiles, PICS) and the role they play in satisfying the identified requirements. A process by which tactical interoperability requirements are identified and the content of an interoperable system architecture is specified.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125774708","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
Application of expectation-maximizing algorithm to the detection of direct-sequence signal in pulsed noise jamming 期望最大化算法在脉冲噪声干扰中直接序列信号检测中的应用
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.243994
A. Ansari, R. Viswanathan
{"title":"Application of expectation-maximizing algorithm to the detection of direct-sequence signal in pulsed noise jamming","authors":"A. Ansari, R. Viswanathan","doi":"10.1109/MILCOM.1992.243994","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.243994","url":null,"abstract":"The detection of a direct-sequence spread-spectrum signal received in a pulsed noise jamming environment is considered. The expectation-maximization (EM) algorithm is used to estimate the unknown jammer parameters and hence obtain a decision on the binary signal based on the estimated likelihood functions. The probability of error performance of the algorithm is simulated for a repeat code and a","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128679408","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
The PR4G VHF ECCM system: extensive tactical communications for the battlefield PR4G VHF ECCM系统:用于战场的广泛战术通信
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244147
P. Lagarde, S.G. di Pasquale
{"title":"The PR4G VHF ECCM system: extensive tactical communications for the battlefield","authors":"P. Lagarde, S.G. di Pasquale","doi":"10.1109/MILCOM.1992.244147","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244147","url":null,"abstract":"PR4G, a complete system for ECCM (electronic counter countermeasures) VHF tactical radio communications, is described. It has been developed to meet the requirements of the French army. Its characteristics, including enhancements and integration into the French C3I (command, control, communications, and intelligence) systems, are presented. The program and program management methodology are described. Program management uses such techniques as functional and value analysis, total quality, integrated logistics support, and design to cost. A preplanned enhancement program is under way, including new services like time-division multiple access, packet access service, and low data rate vocoders.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129093593","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
Tactical communication using an ATM hub 使用ATM集线器进行战术通信
MILCOM 92 Conference Record Pub Date : 1992-10-11 DOI: 10.1109/MILCOM.1992.244021
M. Donahue, N. Guidry, P. Himmelberger, W. T. Jones, G. Keiser
{"title":"Tactical communication using an ATM hub","authors":"M. Donahue, N. Guidry, P. Himmelberger, W. T. Jones, G. Keiser","doi":"10.1109/MILCOM.1992.244021","DOIUrl":"https://doi.org/10.1109/MILCOM.1992.244021","url":null,"abstract":"The authors propose the utilization of an asynchronous transfer mode (ATM) switch as a hub in a tactical communication environment. After addressing the special needs of tactical users, they describe how communications would be controlled in this environment by the ATM hub, which acts as a gateway for personnel radios, various local area networks (LANs), and high-speed radio links. An evolution plan for wideband tactical networks is described.<<ETX>>","PeriodicalId":394587,"journal":{"name":"MILCOM 92 Conference Record","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130610253","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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