パンクチャラブル畳込み符号を用いるデジタル音声放送方式

Japanese Patent JP4176960

B2

A broadcasting method encodes program material using convolutional codes having non-puncturable bits and puncturable bits and modulates orthogonal frequency division multiplexed carrier signals with the convolutional codes. The non-puncturable bits are carried by a first group of the carriers and the puncturable bits are carried by a second group of the carriers, where the first group of carrier signals is less susceptible to interference than the second group of carrier signals. The carrier signals are then broadcast to receivers which determine if the carriers in the second group have been corrupted and erase puncturable bits carried by any of the carriers which have been determined to be corrupted. This produces punctured codes which are subsequently decoded to recover the program material.

JP2001036498	ORTHOGONAL FREQUENCY DIVISION MULTIPLEX SIGNAL TRANSMISSION METHOD, TRANSMITTER AND RECEIVER
JPH0831819	[Title of Invention] Data Transmission Device
WO/2000/008766	METHOD AND DEVICE FOR ERROR CORRECTION CODING AND CORRESPONDING DECODING METHOD AND DEVICE

Kroger, Bryan, W
Sterik, Roy, Earl
Kamalata, Dennis, M

JP2000541791A

November 05, 2008

February 24, 1999

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USA DIGITAL RADIO INCORPORATED

H03M13/23; H03M13/00; H04J11/00; H03M13/25; H03M13/35; H04B1/04; H04H20/00; H04H20/46; H04L1/00; H04L27/26

JP11513850A
JP9261081A
JP9261080A
JP5218978A
JP7283740A

US5197061
US5691992
WO1997049207A1
EP0753948A1

HOEHER P,Performance of an RCPC-Coded OFDM-based Digital Audio Broadcasting (DAB) System,COUNTDOWN TO THE NEW MILENNIUM,PHOENIX,1991年12月 2日,Vol.1,pp.40-46
G.Plenge,DAB - A new sound broadcasting system Status of the development - Routes to its introduction,EBU REVIEW-TECHNICAL,1991年 4月 1日,Vol.83, No.246,pp.87-111

Koichiro Kato

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