Citation
Abstract
New short constraint length, high-rate convolutional codes which minimize the required SNR are found and tabulated for rates 2/3, 3/4, and 4/5, and for constraint length K up to 10. When compared with previously reported codes, most of the new codes reduce the required SNR only slightly. However, there are some pairs of K and code rate for which the new codes require considerably less SNR. The most significant one is the new K = &, rate 4/5 code which requires 1.25 dB less SNR than the known code with the same parameters, for a desired bit error rate of 10^-6.
Details
- Volume
- 42-82
- Published
- August 15, 1985
- Pages
- 108–112
- File Size
- 200.8 KB