IRE Transactions on Communications Systems

Issue 2 • June 1959

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  • [Front cover and table of contents]

    Publication Year: 1959, Page(s): 0
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    Freely Available from IEEE
  • Too much segregation?

    Publication Year: 1959, Page(s):66 - 67
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  • Optical Communication During Hypersonic Re-Entry

    Publication Year: 1959, Page(s):68 - 70
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (323 KB)

    Communication during the re-entry of a space vehicle is a formidable problem because thermally-ionized gas in a shock wave surrounding such a vehicle absorbs the signal over the major portion of the radio spectrum. This paper describes some general features of re-entry communications. The entire electromagnetic spectrum is examined for selection of a suitable signal frequency. View full abstract»

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  • An Experimental Automatic Communication System for Air Traffic Control

    Publication Year: 1959, Page(s):71 - 76
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (554 KB)

    The "Experimental Automatic Ground/Air/Ground Communication System (AGACS)" under development for the Bureau of Research and Development, Federal Aviation Agency, will provide a two-way traffic control data link permitting automatic mechanized communication for essential routine flight information between the air and ground environments. The system selected is operable in both VHF and UHF aircraft... View full abstract»

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  • Factors Affecting Modulation Techniques for VHF Scatter Systems

    Publication Year: 1959, Page(s):77 - 92
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1927 KB)

    An experimental program at approximately 50 mc has been carried out over a 1295-km east-west ionospheric-scatter path to determine the comminucation capacity of the propagation medium using ordinary modulation techniques. Binary error-rate studies using dual-narrow-band frequency-shift-keyed terminal equipment were made to observe the dependence of error rate in scatter propagation on signal-to-no... View full abstract»

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  • Double-Sideband Suppressed-Carrier Multiplex Equipment for Cable and Microwave Applications

    Publication Year: 1959, Page(s):92 - 94
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (285 KB)

    Single-sideband suppressed-carrier modulation has been the backbone system for telephone multichannel carrier equipment for many years. However, particularly in recent years, a number of other modulation systems have been applied in lesser or greater degrees, with the emergence of new problems in telephone transmission. These problems are related to economics, bulk of equipment, power consumption,... View full abstract»

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  • Integrated Data Systems

    Publication Year: 1959, Page(s):95 - 101
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (670 KB)

    Two theoretical data systems (Shannon's ideal channel with average power limitation and the ideal symmetrical binary channel) are compared with the recent results of HF-data transmission tests over a 5000-mile link. The 30-to-40-db increase in signal power required in the practical case is analyzed. NonGaussisn noise, multipath disturbances (fading), and lack of coding are reasons usually mentione... View full abstract»

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  • Pulse Phase-Change Signaling in the Presence of Ionospheric Multipath Distortion

    Publication Year: 1959, Page(s):102 - 110
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (968 KB)

    Ionospherically-propagated high-frequency signals generally arrive by multiple paths having different and graduallychanging time delays which cause multipath distortion. Interference fading and delay-difference smearing are the principle manifestations of this distortion. The technique of alternately transmitting long (1-msec) and short (20-μsec) pulses was developed to study multipath smeari... View full abstract»

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  • Synchronization of Single-Sideband Carrier Systems for High-Speed Data Transmission

    Publication Year: 1959, Page(s):110 - 114
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    This paper sets forth the requirements for synchronization of single-sideband carrier systems and the methods of accomplishing absolute synchronization. The problems of application to existing systems and alternative solutions are discussed. View full abstract»

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  • Global Public Telephone Service - 1958

    Publication Year: 1959, Page(s):115 - 120
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    At the Symposium of Global Communications in Washington, DC in June, 1954, the author presented a paper discussing the global public telephone service as provided by the American Telephone and Telegraph Company (AT&T). It is proposed here to review some aspects of public telephone service in the light of the important developments that have taken place since then. View full abstract»

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  • Propagation of HF and VHF in the Arctic Region

    Publication Year: 1959, Page(s):121 - 125
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    All the available ionospheric records for stations located north of 60° geographic latitude and for the period 1954 to 1957 were critically analyzed. The F2 region shows two distinct types: one, north of 75° with very little or no diurnal and seasonal variation in the critical frequency; the second, south of 70°N, exhibits diurnal and seasonal variations as well as those correlated ... View full abstract»

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  • High-Speed Terminal Printers Using the Burroughs Electrostatic Technique

    Publication Year: 1959, Page(s):125 - 129
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (682 KB)

    The need for high-speed, reliable, low-cost terminal printers in communications and data processing has been forcefully brought home with the advent of electronic computers, telemetry and electronic data processing systems. Our ability to printout has not kept pace with our ability to furnish information at high speed. Electro-mechanical devices are being pushed beyond their practical ultimate lim... View full abstract»

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  • A Synchronous Communications Receiver for the Military UHF Band

    Publication Year: 1959, Page(s):129 - 133
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (510 KB)

    A synchronous receiver for double-sideband suppressed carrier signals in the 225-mc to 400-mc band is described. The receiver is suitable for voice or data link operation and provides automatic correction of Doppler shifts in the received signal. The "local carrier" oscillator is crystal stabilized at the IF frequency, and electronically tuned by a closed servo loop in which the locallygenerated c... View full abstract»

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  • A New Simplified Aircraft Data Link

    Publication Year: 1959, Page(s):133 - 136
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB)

    The problem of traffic control in this country's airways has been discussed at length in recent years. It is generally agreed that an automatic data-link type of system will be needed to prevent saturation of radio channels and of the airways themselves as the number of aircraft in high-density areas increases. View full abstract»

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  • Microwave and Scatter Communications System for the Eglin Gulf Testing Range

    Publication Year: 1959, Page(s):136 - 141
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    A seven-hop 295-mile combined microwave and tropospheric forward-scatter communications system is being installed for carrying voice, timing, telemetering, radar data, and controls for the Eglin Gulf Testing Range. System design of the frequency-diversity 7000-mc microwave system is reviewed, as well as the design of the four-fold diversity 2000-mc scatter system. Problems of special interest on t... View full abstract»

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  • Contributors and back cover

    Publication Year: 1959, Page(s): 0
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    Freely Available from IEEE

Aims & Scope

This Transactions ceased publication in 1962. The current retitled publication is  IEEE Transactions on Communications.

Full Aims & Scope