Method of automatically requesting retransmission in a duplex di

Details Method of automatically requesting retransmission in a duplex di Method of automatically requesting retransmission in a duplex di

1992-09-18

1996-01-09

Baker, Stephen M.

Excavating

H04L 116

Patent

active

054835453

ABSTRACT:
A go-back-N automatic repeat request method for use on a duplex installation having noisy return channels. When an acknowledge signal (ACK) is not correctly received, it is assumed to be positive until the Nth successive incorrectly received acknowledgement, which is treated as a negative acknowledgement, thereby ensuring that blocks are repeated even if acknowledgements are degraded by jamming.

REFERENCES:
patent: 4368512 (1983-01-01), Kyu et al.
Weissberger, A., "Bit Oriented Data Link Controls", Computer Design, Mar. 1983, pp. 195-206.
Magill, J., et al., "Fast data-comm controller speaks to all protocols over two sets of channels", Electronic Design, Jan. 24, 1985, pp. 157-168.
Easton, M., "Batch Throughput Efficiency of ADCCP/HDLC/SDLC Selective Reject Protocols", IEEE Transactions on Communications, vol. COM-28, No. 2, Feb. 1980, pp. 187-195.
Lin, S. et al., "Automatic Repeat Request Error Control Schemes" IEEE Communications Magazine, Dec. 1984, vol. 22, No. 12, pp. 5-17.
IEEE Global Telecommunications Conference, Tokyo, Nov. 15-18, 1987, pp. 2100-2104, IEEE, New York, USA; M. Nakamura et al.: "ARQ scheme reinforced with past acknowledgement signals".
N. T. Z.-ARCHIV, vol. 6, No. 7, Jul. 1984, pp. 151-158, Berlin, Germany; H. D. Clausen et al.: "HDLC und ahnliche Leitungskontrollverfahren fur Satellitenkanale".

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