Invention Grant
- Patent Title: QPP interleaver/DE-interleaver for turbo codes
- Patent Title (中): 用于turbo码的QPP交织器/ DE交织器
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Application No.: US14620347Application Date: 2015-02-12
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Publication No.: US09374109B2Publication Date: 2016-06-21
- Inventor: Jung-Fu Cheng
- Applicant: Optis Wireless Technology, LLC
- Applicant Address: US TX Plano
- Assignee: Optis Wireless Technology, LLC
- Current Assignee: Optis Wireless Technology, LLC
- Current Assignee Address: US TX Plano
- Agency: Carstens & Cahoon, LLP
- Agent Vincent J. Allen; James H. Ortega
- Main IPC: H03M13/03
- IPC: H03M13/03 ; H03M13/27 ; H03M13/29
Abstract:
A quadratic permutation polynomial (QPP) interleaver is described for turbo coding and decoding. The QPP interleaver has the form: Π(n)=ƒ1n−ƒ2n2 mod K, where the QPP coefficients ƒ1 and ƒ2 are designed to provide good error performance for a given block length K.
Public/Granted literature
- US20150155886A1 QPP Interleaver/DE-Interleaver for Turbo Codes Public/Granted day:2015-06-04
Information query
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