Invention Grant
- Patent Title: System and methods for low complexity list decoding of turbo codes and convolutional codes
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Application No.: US14565082Application Date: 2014-12-09
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Publication No.: US10205470B2Publication Date: 2019-02-12
- Inventor: Mostafa El-Khamy , Jinhong Wu , Jungwon Lee , Inyup Kang
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd
- Current Assignee: Samsung Electronics Co., Ltd
- Current Assignee Address: KR
- Agency: The Farrell Law Firm, P.C.
- Main IPC: H03M13/00
- IPC: H03M13/00 ; H03M13/39 ; G06F11/10 ; G11B20/18 ; H03M13/37 ; H03M13/45

Abstract:
A method and system for decoding a signal are provided. The method includes receiving a signal, where the signal includes at least one symbol; decoding the signal in stages, where each at least one symbol is decoded into at least one bit per stage, wherein a Log-Likelihood Ratio (LLR) and a path metric are determined for each possible path for each at least one bit at each stage; determining the magnitudes of the LLRs; identifying K bits of the signal with the smallest corresponding LLR magnitudes; identifying, for each of the K bits, L possible paths with the largest path metrics at each decoder stage for a user-definable number of decoder stages; performing forward and backward traces, for each of the L possible paths, to determine candidate codewords; performing a Cyclic Redundancy Check (CRC) on the candidate codewords, and stopping after a first candidate codeword passes the CRC.
Public/Granted literature
- US20150236717A1 SYSTEM AND METHODS FOR LOW COMPLEXITY LIST DECODING OF TURBO CODES AND CONVOLUTIONAL CODES Public/Granted day:2015-08-20
Information query
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