Data block convolutional coding device and method, and corresponding decoding method and device
Patent 6119264 Issued on September 12, 2000. Estimated Expiration Date: 
April 19, 2018. 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.
April 19, 2018. 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 apparatus for encoding/decoding a convolutional code to a periodic convolutional code block Method for a maximum likelihood decoding of a convolutional code with decision weighting, and corresponding decoder Error-correction coding method with at least two systematic convolutional codings in parallel, corresponding iterative decoding method, decoding module and decoder Patent #: 5446747 InventorsAssigneeApplicationNo. 155819 filed on 04/19/1998US Classes:714/786Forward error correction by tree code (e.g., convolutional)ExaminersPrimary: Decady, AlbertAssistant: Chase, Shelly A Attorney, Agent or FirmInternational ClassH03M 013/03Foreign Application Priority Data1996-04-03 FRAbstractDisclosed are a method and a device for the convolutive encoding of blocks each formed by a predetermined number N of source data elements, wherein each of said source data elements is introduced twice into one and the same convolutive encoder implementing a generating polynomial with a period L in an order such that the two instances of introduction of one and same source data element di are separated by the introduction of (pi.L)-1 other source data elements, pi being a non-zero integer. Also disclosed are a corresponding decoding method and device that can be applied, in particular, to the transmission of short messages, for example in radiotelephony, for satellite communications or gain computer telecommunications (Internet for example). FIG. 2.Other References
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