Processing voice and data in mobile satellite communications
Abstract
An on-line self adaptive scheme is required to overcome delays in voice transmission to mobile terminals in satellite communications systems. A method to combat specular multipath and increase signal processing capability for voice and data transmission is described, and system performance evaluated. A signal model is developed to account for transmission parameters, with attention to Gaussian variables. Finally, an optimum scheme is proposed which matches filters, then samples and uses the Viterbi algorithm to determine the source of the transmission-processing sequence.
- Publication:
-
International Conference on Communications, Volume 3
- Pub Date:
- 1977
- Bibcode:
- 1977icc.....3...38M
- Keywords:
-
- Communication Satellites;
- Data Processing Terminals;
- Data Transmission;
- Transmission Efficiency;
- Voice Communication;
- Voice Data Processing;
- Adaptive Control;
- Algorithms;
- Communication Networks;
- Ground Stations;
- Matched Filters;
- Maximum Likelihood Estimates;
- Multipath Transmission;
- Signal Processing;
- Stochastic Processes;
- Systems Engineering;
- Terminal Facilities;
- Viterbi Decoders;
- Communications and Radar