Invention Grant
US08171375B2 Distributed processing LDPC (low density parity check) decoder
有权
分布式处理LDPC(低密度奇偶校验)解码器
- Patent Title: Distributed processing LDPC (low density parity check) decoder
- Patent Title (中): 分布式处理LDPC(低密度奇偶校验)解码器
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Application No.: US13096114Application Date: 2011-04-28
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Publication No.: US08171375B2Publication Date: 2012-05-01
- Inventor: Alvin Lai Lin , Andrew J. Blanksby
- Applicant: Alvin Lai Lin , Andrew J. Blanksby
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Garlick & Markison
- Agent Shayne X. Short
- Main IPC: H03M13/00
- IPC: H03M13/00

Abstract:
Distributed processing LDPC (Low Density Parity Check) decoder. A means is presented herein that includes an LDPC decoding architecture leveraging a distributed processing technique (e.g., daisy chain) to increase data throughput and reduce memory storage requirements. Routing congestion and critical path latency are also improved thereby. Each daisy chain includes a number of registers, and a number of localized MUXs (e.g., MUXs having merely 2 inputs each). The means presented herein also does not contain any barrel shifters, high fan-in multiplexers, or interconnection networks; therefore, the critical path is relatively short and it can also be pipelined to further increase data throughput. If desired, a communication device can include multiple configurations of such daisy chains to accommodate the decoding of various LDPC coded signals (e.g., such as for an application and/or communication device that must decoded LDPC codes using different low density parity check matrices).
Public/Granted literature
- US20110202816A1 Distributed processing LDPC (Low Density Parity Check) decoder Public/Granted day:2011-08-18
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