Packet data communication method and system

Details Packet data communication method and system Packet data communication method and system

1996-11-20

1998-10-06

Baker, Stephen M.

Excavating

H04L 118

Patent

active

058188525

ABSTRACT:
A data transmission system (5) transmits data between a transmitter (10) and a receiver (20). Each data packet frame (130) is made up of three parts: a header (131), a packet identifier number (132), and subframes of data (133). Error codes are generated corresponding to each subframe of data (133). The transmitter (10) will then check the error code to determine which subframes of data (133) contain an error. If there are errors in the data packet (130), then the receiver (20) stores the error-free subframes in memory and does not send an acknowledgment packet (140). The master (10) will retransmit the same data packet until it receives an acknowledgment packet (140).

REFERENCES:
patent: 3598914 (1971-08-01), Synnott, III
patent: 4697281 (1987-09-01), O'Sullivan
patent: 5084877 (1992-01-01), Netravali et al.
patent: 5440545 (1995-08-01), Buchholz et al.
patent: 5487068 (1996-01-01), Smolinske et al.
patent: 5570367 (1996-10-01), Ayanoglu et al.
patent: 5677918 (1997-10-01), Tran et al.

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