RETRANSMISSION METHOD FOR MULTIPOINT BROADCAST COMMUNICATION NETWORK

Title:

RETRANSMISSION METHOD FOR MULTIPOINT BROADCAST COMMUNICATION NETWORK

Document Type and Number:

Japanese Patent JP3931594

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a retransmission method that has compatibility of suppression in increase in transmission traffic by a retransmission request and improvement in reliability by retransmission, in the case of carrying out broadcast communication of a real-time signal such as video and audio via a packet network.
SOLUTION: Devices, capable of making retransmission requests, are limited in advance in broadcast communication, and the devices make a retransmission request, only when transmission errors are generated in common.

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Inventors:

Masaaki Takizawa
Kazuhiro Enomoto
Shin Takase
Taka Daiichiro Shima
Koichi Kitayama

Application Number:

JP2001207208A

Publication Date:

June 20, 2007

Filing Date:

July 09, 2001

Export Citation:

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Assignee:

株式会社日立製作所

International Classes:

H04L1/16; H04L12/18; H04L47/43; (IPC1-7): H04L12/56; H04L1/16; H04L12/18; H04L29/08

Domestic Patent References:

JP4179331A
JP11252073A
JP2002726A
JP3286644A
JP9091218A
JP2001119426A
JP2002124935A

Attorney, Agent or Firm:

Manabu Inoue

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