Transmission method for data telegrams over single radio channel, involves inverting bits of at least some telegram portions and alternating bits of original telegram portions with inverted bits

摘要

A data telegram is comprised of telegram portions that include a preamble portion, identification portion, input/output data division portion, counter portion and check total portion. At least some of the telegram portions are transmitted twice by inverting the bits of the telegram portions and alternating the bits of the original telegram portions with the inverted bits.