Adaptive methods for meteor burst communications

We investigate various methods for making efficient use of the time-varying power received by radio reflection from meteor trails, including applications of variable-rate coding and variable-rate transmission. For variable-rate coding, the code rate is changed periodically during the life of the trail in an attempt to match the rate to the instantaneous signal power. For a system that employs packet transmissions, we develop an algorithm that determines the number of codewords and the rate for each codeword that maximize the probability of successful decoding for the packet. The optimal packet configuration is a function of the length of the message and the underdense trail decay constant. It is shown that the signal power required to obtain a given probability of success is significantly smaller for optimal variable-rate coding than for fixed-rate coding.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Electrical Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

1990

Author dc:creator

• Sandberg, Stuart Daniel

Contributors dc:contributor

• Pursley, Michael B.

• Engineering, Electronics and Electrical
• Computer Science

Statement dc:rights

• Copyright 1990 Sandberg, Stuart Daniel

Language dc:language

eng

Identifier

AAI9021751
(UMI)AAI9021751

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/21085