Packet transmission method and apparatus

Details Packet transmission method and apparatus Packet transmission method and apparatus

1994-11-10

1997-03-04

Envall, Jr., Roy N.

Excavating

371 377, H03M 1300

Patent

active

056087381

ABSTRACT:
In a packet transmission method of forming m error correction code packets from n (n>m) data packets including headers, and transmitting the error correction code packets, an n-bit data code portion is formed by reading out pieces of bit information, of the data packets excluding headers, which are located at the same bit position, and sequentially arranging the pieces of bit information. An m-bit error correction code portion is formed by coding information of the data code portion and forming an error correction frame constituted by the data code portion and the error correction code portion. Each bit information of the error correction code portion is assigned as bit information of a corresponding error correction code packet at the same bit position as the bit position of each data packet, from which the bit information is read out. Formation of the data code portion and the error correction frame is repeatedly performed with respect to all bits excluding the headers of the data packets, thereby forming m error correction code packets, each consisting of the same number of bits as that of each data packet. The formed error correction code packets are transmitted, together with the data packets. A packet transmission apparatus is also disclosed.

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patent: 4769819 (1988-09-01), Matsutani et al.
patent: 5159452 (1992-10-01), Kinoshita
patent: 5365530 (1994-11-01), Yoshida
patent: 5400347 (1995-03-01), Lee
patent: 5430738 (1995-07-01), Tsuda
patent: 5432787 (1995-07-01), Chethik

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