Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raj Kumar Jain0
Sim Hak Keong0
Date of Patent
August 7, 2012
0Patent Application Number
110730010
Date Filed
March 4, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A new protocol is proposed for transmission of data through lines such as telephone lines. The tones of a signal are grouped, and Trellis encoding is performed only of the members of a group. The computational cost of coding and decoding the data is reduced (compared to treating all the tones of a given direction equivalently), and the invention makes it possible to significantly reduce the computational and memory requirements of the encoder and decoder. Furthermore, Trellis decoding errors are not propagated between the groups.
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