H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 3/00 (2006.01) H03M 13/00 (2006.01) H04B 7/212 (2006.01) H04L 1/00 (2006.01) H04Q 7/00 (2006.01) H04Q 7/20 (2006.01)
Patent
CA 2259751
A multidirectional time-division multiplexing wireless data communications system can prevent erroneous data from being transmitted through a data communications line even when a bit error has occurred in transmission data through interference, etc. occurring in a wireless area. An error correcting redundant bit, obtained by performing an error correcting code operation by an error correcting code circuit on a low-speed continuous signal, is multiplexed to a specific vacant slot in a wireless frame. A burst signal, converted by a continuous/burst signal conversion circuit through an interleaving operation, is multiplexed to a predetermined time slot, and transmitted to a wireless area. The burst signal is received by the burst/continuous signal conversion circuit, and converted into a continuous signal through a de-interleaving operation. A division circuit divides an error correcting code to generate a syndrome. Based on the syndrome, an error position detection circuit specifies bit error position in data, and an addition circuit corrects errors.
Corporation Nec
Smart & Biggar
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