Reduced latency interleaver utilizing shortened first codeword

US6718503B1 · kind B1 · utility

Assignee

• Itran Communications Ltd.

Inventors

• Gregory Lerner · Netanya, IL
• Dan Raphaeli · Kfar Sava, IL
• Oren Kaufman · Beer Sheva, IL
• Boris Zarud · Beer Sheva, IL

Key dates

• Filing date: Jan 4, 2002
• Grant date: Apr 6, 2004
• Expiry date: Apr 9, 2022

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B2203/5408
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A interleaver/de-interleaver mechanism for reducing the latency of transmitted interleaved codewords. The interleaver/de-interleaver mechanism utilizes a shortened first codeword which functions to offset the interleaving and transmission on subsequent codewords so as to achieve reduced latency depending on the degree of shortening applied. The interleaver/de-interleaver mechanism is particularly useful in power line carrier based systems to reduce the exposure to burst errors by providing interleaving with minimal latency penalty.