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Communication Systems

Report

PACSAT: A Passive Communication Satellite for Survivable Command and Control

Examines passive communication satellites as alternatives to active communication satellites in the hostile environment that may exist in the postattack period of a nuclear war.

Jan 1, 1981
Report

Choosing New Telecommunications Technologies: Tradeoffs Between Conflicting Goals

This paper presents a general framework to explain how tradeoffs between conflicting goals may influence the choice of new telecommunications technologies.

Jan 1, 1981
Report

Concepts of Signal Acquisition and Processing for Use With a Passive Space Communication Array

A passive communication satellite is attractive for relaying strategic messages between distant points under conditions where active communication satellite and other terrestrial links have been negated.

Jan 1, 1980
Report

An Office Communication System Design.

Outlines design concepts for the development of a "cooperative" distributed computer-based communication system in the office environment. A review of present electronic message systems is given with a summary of the particular requirements that the...

Jan 1, 1979
Report

Formal Methods for Communication Protocol Specification and Verification

Increasingly numerous and complex communication protocols are being employed in distributed systems and computer networks of all types. Describes some of the more formal techniques that are being developed to facilitate design of correct protocols.

Jan 1, 1979
Report

Telecommunications Technology in the 1980s

An overview of advances in telecommunications technology that can be anticipated in commercial systems during the 1980s.

Dec 1, 1978
Report

The Feasibility of Employing Frequencies between 20 and 300 GHz for Earth-Satellite Communications Links

Develops a model for estimating in a new way the statistical distributions of signal attenuation, sky noise temperature, and total atmospheric-induced degradation.

Jan 1, 1978
Report

New technologies, competition and the postal service

The Postal Service confronts market structure issues faced by regulated monopolies in other industries, but changing technology raises other problems: nearly all the new technology is developing outside the Postal Service's monopoly market. A key q...

Jan 1, 1978
Report

Testimony prepared for presentation to the Subcommittee on Communications, Senate Commerce Committee, March 22, 1977

A discussion of general trends in telecommunications technology and their implications for communications services. Advances in technology improve performance and enable new modes of communications, as well as reduce costs of existing services that o...

Jan 1, 1977
Report

Testimony before the House Subcommittee on Communications hearings: impact of telecommunications technology on the right to privacy

Edited version of the author's testimony, including answers to committee members' questions. Protection of privacy means preventing the surreptitious acquisition of personal information. The author suggests that the committee consider legislation to ...

Jan 1, 1977
Report

Linking Policy Research to Regulatory Decisionmaking: A Workshop Summary.

Reports on a workshop held at the 1975 Telecommunications Policy Research Conference, in Warrenton, Virginia, April 16-19, 1975. One of the major themes explored was the relationship between policy research and the regulatory process in telecommunic...

Jan 1, 1975
Report

Media for Satellite Communication.

Satellites provide a powerful new means for distributing the communication media we have. Today at least 30 distinguishable media and multimedia combinations can be transmitted via satellite--where "medium" means a method of originating, encoding, t...

Jan 1, 1975
Report

The Communication Satellite--A Perspective for the 1970s.

International and domestic point-to-point communication satellite systems are expected to multiply throughout the decade. In developed regions, they will remain auxiliary to the overall ground communication complex, even though very significant in d...

Jan 1, 1971
Report

Minimal k-arc Connected Graphs

A solution to the problem of determining the fewest number of arcs required in a k-arc-connected graph on n nodes by describing constructions that produce such graphs having kn/2 arcs (for kn even) or (kn + 1)/2 arcs (for kn odd).

Jan 1, 1971
Report

Technological Advance and Market Structure in Domestic Telecommunications.

As new telecommunication developments (such as satellite relay of TV broadcasts) offer competition to established carriers, existing rates must not be frozen to protect uneconomic activities. "Cream skimming" could affect only 15 percent of Bell Sys...

Jan 1, 1970
Report

Satellite Spacing and Frequency Sharing for Communication and Broadcast Services.

A general approach for the efficient use of satellite orbits and the radio frequency spectrum. The protection of received signals, equipment capabilities, and pertinent systems considerations are reviewed before systematically examining the principa...

Jan 1, 1970
Report

Telecommunications in Urban Development

Ways in which television can be used to improve life in the urban ghetto.

Jan 1, 1969
Report

The Use of Information in Clinical Problem-Solving: A Framework for Analysis

A systems-analysis framework for the organization of information in a biomedical communication network. Formal structures need to be developed to improve information handling in medicine.

Jan 1, 1969
Report

Alternative Technologies for Information Networks.

A discussion of the economic considerations inherent in designing user services that incorporate various communication systems. Three such services for the biomedical community are described: (1) land-circuit television networks such as ETV; (2) te...

Jan 1, 1969
Report

LSI: The Basic Module for New Communication Networks

An analysis of the probable impact on communication systems of LSI (Large-Scale Integration), a new technology that enables placing the equivalent of hundreds of transistors on a single silicon pinhead.

Sep 1, 1968

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RAND Topic:
Communication Systems

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