Decoding method for trellis codes with large free distances
Patent 5703911 Issued on December 30, 1997. Estimated Expiration Date: 
August 17, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 17, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and installation for digital communication, particularly between and toward moving vehicles Block coding scheme for fractional-bit transmission Method for a maximum likelihood decoding of a convolutional code with decision weighting, and corresponding decoder Trellis coding method using a multilevel delay device Patent #: 5570391 InventorsAssigneeApplicationNo. 516217 filed on 08/17/1995US Classes:375/341, Maximum likelihood decoder or viterbi decoder375/265, Trellis encoder or Trellis decoder379/43FireExaminersPrimary: Chin, StephenAssistant: Gluck, Jeffrey W. Attorney, Agent or FirmForeign Patent References
International ClassesH03M 013/12H04L 001/00 AbstractThis invention is a decoding method for a special class of trellis codes which have large free distances. The encoding of the trellis code to be decoded can be implemented by employing a single binary convolutional code followed by more than one processor. The decoding can be implemented by using the trellis of the binary convolutional code and additional processors. | |
