Communication Systems

480 Results

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Research

Jan 1, 1962

An Optimal Orbital Control Process for a 24-hour Communication Satellite

A discussion of the modification of the orbit of a 24-hour communication satellite to increase the useful orbital lifetime and to minimize the amount of fuel consumed during the process.
Research

Jan 1, 1962

Effect of Micrometeorite Collisions on Spherical Wire-mesh Passive Reflectors

An investigation of the possible effects of micrometeorites in reducing the useful lifetime of a spherical, wire-mesh, passive-reflector communication satellite.
Research

Jan 1, 1961

Foreign Participation in Communication Satellite Systems: The Implications of the Federal Communications Act

Discusses the problems of foreign participation in a communication satellite system from the standpoints of policy formulation and agreement negotiation.
Research

Jan 1, 1961

An Orbital Control Process for a 24-Hour Communication Satellite.

A description of a guidance or orbital control process, particularly applicable for use with a 24-hour communications satellite. The process deals with certain of the guidance problems involved in such a satellite, namely, the determination of the di...
Research

Jan 1, 1961

Communications Satellites and Public Policy: An Introductory Report

An outline of the problems of public policy raised by the development of satellite-communication techniques.
Research

Jan 1, 1961

Geometric Projections of the Sphere and the Spheroid

Geometric projections have become increasingly important for the purpose of processing geographic (locational) data.
Expert Insights

Dec 22, 1960

The Compression of Finite Discrete Messages

A discussion of the compression problem for codes of finite length. Methods are presented for evaluating codes devised for the transmission of messages of limited duration.
Research

Jan 1, 1958

On the growth of duty cycle in intermittent communication systems.

A review of the mechanism of meteor-burst propagation, and a discussion of the operating principles of typical systems. A model of burst occurrence and duration is constructed. Total burst time and duty cycle are computed, for given intervals of time...
Expert Insights

Jan 1, 1957

On weighted PCM and mean square deviation.

A proof that the functional equation technique of dynamic programming can be used advantageously in analyzing weighted pulse-code modulation (WPCM) communication systems. WPCM differs from normal PCM in that the amplitude of the transmitted pulses re...
Expert Insights

Jan 1, 1957

The utility of a communication channel and applications to suboptimal information-handling procedures.

A study of the functional-equation technique of dynamic programming to analyze (1) some extensions of the Kelly-Bellman-Kalaba model of communication and (2) a null-zone reception system. The role of suboptimum systems is emphasized....
Expert Insights

Jan 1, 1957

General Systems Approaches to Telecommunication Optimization.

An application of linear and dynamic programming to solve numerous communication system problems. Treatments for communication system extension problems and for equipment replacement policies are given, and various generalizations are indicated....
Research

Jan 1, 1947

Communication and Observation Problems of a Satellite

This report comprises a discussion of problems and requirements of instrumentation for communication between ground stations and a man-made satellite on an orbit above the earth's equator.

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Communication Systems

Communication Systems

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An Optimal Orbital Control Process for a 24-hour Communication Satellite

Effect of Micrometeorite Collisions on Spherical Wire-mesh Passive Reflectors

Foreign Participation in Communication Satellite Systems: The Implications of the Federal Communications Act

An Orbital Control Process for a 24-Hour Communication Satellite.

Communications Satellites and Public Policy: An Introductory Report

Geometric Projections of the Sphere and the Spheroid

The Compression of Finite Discrete Messages

On the growth of duty cycle in intermittent communication systems.

On weighted PCM and mean square deviation.

The utility of a communication channel and applications to suboptimal information-handling procedures.

General Systems Approaches to Telecommunication Optimization.

Communication and Observation Problems of a Satellite

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Communication Systems

Communication Systems

Related Topics

Explore RAND’s Work on this Topic

Error

An Optimal Orbital Control Process for a 24-hour Communication Satellite

Effect of Micrometeorite Collisions on Spherical Wire-mesh Passive Reflectors

Foreign Participation in Communication Satellite Systems: The Implications of the Federal Communications Act

An Orbital Control Process for a 24-Hour Communication Satellite.

Communications Satellites and Public Policy: An Introductory Report

Geometric Projections of the Sphere and the Spheroid

The Compression of Finite Discrete Messages

On the growth of duty cycle in intermittent communication systems.

On weighted PCM and mean square deviation.

The utility of a communication channel and applications to suboptimal information-handling procedures.

General Systems Approaches to Telecommunication Optimization.

Communication and Observation Problems of a Satellite

Oops! An unexpected error has occurred.