Receiving device estimating that a communication device is in an incommunicable state
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United States of America Patent
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Aug 23, 2022
Grant Date -
Aug 19, 2021
app pub date -
Aug 27, 2018
filing date -
Aug 27, 2018
priority date (Note) -
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Abstract
A receiving device includes processing circuitry to determine timings for generating monitoring-side keep alive signals at same timings as timings when a plurality of communication devices transmit monitored-side keep alive signals, to generate a plurality of monitoring-side keep alive signals at a plurality of timings determined, and to estimate a communication device in an incommunicable state based on a comparison result of a number of monitoring-side keep alive signals generated thereafter and a number of monitored-side keep alive signals received thereafter when the plurality of monitoring-side keep alive signals are generated, if a number of the received monitored-side keep alive signals is smaller than a number of the generated monitoring-side keep alive signals.
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