Invention Grant
US08375271B2 Method and apparatus for providing adaptive cyclic redundancy check computation
有权
提供自适应循环冗余校验计算的方法和装置
- Patent Title: Method and apparatus for providing adaptive cyclic redundancy check computation
- Patent Title (中): 提供自适应循环冗余校验计算的方法和装置
-
Application No.: US12739854Application Date: 2008-10-23
-
Publication No.: US08375271B2Publication Date: 2013-02-12
- Inventor: Jung-Fu Cheng , Mats Åhlander , Christer Aalto
- Applicant: Jung-Fu Cheng , Mats Åhlander , Christer Aalto
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee Address: SE Stockholm
- International Application: PCT/IB2008/002836 WO 20081023
- International Announcement: WO2009/053825 WO 20090430
- Main IPC: G06F11/00
- IPC: G06F11/00

Abstract:
A method and apparatus for providing adaptive cyclic redundancy check (CRC) computation is disclosed. A transport block size is determined. Transport block (TB) CRC bits are computed with a first CRC generator when the TB size is less than or equal to a predetermined threshold. TB CRC bits are computed with a second CRC generator when the transport block size is greater than the predetermined threshold. When the TB is greater than the predetermined threshold, the TB is segmented into code blocks (CBs) and CB CRC bits are computed with the first CRC generator. A method and apparatus for handling adaptively cyclic redundancy check (CRC) encoded transport blocks (TBs) is also disclosed. A TB is received. The TB is CRC checked based on a first CRC generator when the TB size is less than or equal to a predetermined threshold. Code blocks of the TB are CRC checked based on the first CRC generator when the TB size is greater than the predetermined threshold. When the TB size is greater than the predetermined threshold, the code blocks are concatenated, and the TB is CRC checked based on a second CRC generator.
Public/Granted literature
- US20100251082A1 METHOD AND APPARATUS FOR PROVIDING ADAPTIVE CYCLIC REDUNDANCY CHECK COMPUTATION Public/Granted day:2010-09-30
Information query