Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 21, 2010
Patent Application Number
12686673
Date Filed
January 13, 2010
Patent Primary Examiner
Patent abstract
Systems and methods are provided for encoding and decoding constrained codewords using an enumerative coding graph. The constrained codewords may contain run-length and DC level limits. The enumerative coding graph contains a series of states and each state has multiple branches that lead to other states. Each state in the enumerative coding graph is associated with at least two bits of an enumerative codeword. Configuring the structure of the graph and cardinalities associated with each state allows the encoder to generate a code that conforms to defined constraints.
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