A NOTE ON SELECTION OF A CHANNEL MODEL.
Abstract
The finite-state channel model assumed in Shannon's noisy channel theorem yields the conclusion that error probability can be reduced exponentially with code length at any information rate less than channel capacity. Evidence from statistics of real channels suggests, however, that this exponential behavior is not achievable for any code duration which might conceivably be used in practice. This report exhibits an infinite-state model which leads to a somewhat different conclusion about what can be accomplished with coding than would be reached with a finite-state model; namely, that error probability can be reduced only as a small power of code length. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1964
- Accession Number
- AD0611309
Entities
People
- John J. Metzner
Organizations
- New York University