| 摘要 |
A relative value notification method for notifying a relative value of a certain variable, from a transmitting side apparatus to a receiving side apparatus, includes the steps of: generating, at the transmitting side apparatus, a control signal indicating the relative value by using the number of values 1 or 0 in a plurality of bits to be transmitted during a predetermined period, and transmitting the generated control signal to the receiving side apparatus; and increasing/decreasing, at the receiving side apparatus, the certain variable by using the number of values 1 or 0 in the plurality of bits in the control signal received during the predetermined period.
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