Digital transmission/receiving method, digital communications me

Details Digital transmission/receiving method, digital communications me Digital transmission/receiving method, digital communications me

1996-11-27

1998-12-01

Baker, Stephen M.

Excavating

371 3702, H03M 1300, H04L 116

Patent

active

058449183

ABSTRACT:
An error correcting code including of basic data and a BCH-based parity code appended thereto is divided into smaller packets. An error detecting code is appended to each of the thus-divided packets, so that transmission basic data is formed. When the transmission basic data is received, the basic data and a BCH-based parity code are derived from the transmission basic data. Error correcting is carried out with respect to the overall transmission basic data. An error detecting operation is carried out with respect to each packet using the error detecting code. If a packet is found to contain errors, a request for retransmission of that packet will be sent to the sending side.

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Kressel et al., "Adaptive Forward Error Correction for Fast Data Transmission over the Mobile Radio Channel", EUROCON '88, pp. 170-173, Dec. 1988.
Shiozaki, "Adaptive Type-II Hybrid ARQ System Using BCH Codes", IEICE Trans. Fundamentals, vol. E75-A, No. 9, Sep. 1992, pp. 1071-1075.
Jalali et al., "Performance of Data Protocols for In-Building Wirelesss Systems", 1st Intl. Conf. on Universal Personal Communications, pp. 407-411, Dec. 1992.
Bigloo et al., A Robust Rate-Adaptive Hybrid ARQ Scheme for Frequency-Hopped Spread-Spectrum Multiple-Access Communication Systems, IEEE J. on Selected Areas in Communications, vol. 12, No. 5, pp. 917-924, Apr. 1994.

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