Luna
®
G3 APAP / Luna
®
G3 CPAP User Manual
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24. Information of QoS
QoS is a security mechanism of the network and a technology used to solve
problems such as network delay and congestion.
The data transmission between the Luna
®
G3 APAP / Luna
®
G3 CPAP with a Cellular
Module and iCodeConnect is a daily transmission. The Cellular Module transmits the
following four types of data: Therapy summary data in a defined period of time,
compliance data, system settings, and device information.
This process is not real time communication.
The size of the data transmitted to Cellular Module per second is no more than 1 k in
normal condition, and no more than 1 M within 8 hours per night.
Acceptable latency
As the user information is not viewed by the physician in real time, sometimes it can
be delayed for 24 or more hours.
Acceptable level of probability for loss of information within the network
The data has little effects on treatment effectiveness. These are key data, and their
integrity should be ensured, but they do not involve real-time control of therapeutic
medical devices, and do not rely on network quality.
Wrong transmission of the information described in sections above data will be
abandoned based on a checking mechanism, and correct data will be sent
continuously until received completely.
The data transmission protocol between the module and the server includes
unpacking information and ID value, which ensure the completeness of the data
transmission.
Signal priorities of the network
The therapy device itself does not have high-priority medical device alerts, and its
treatment of patients does not rely on wireless communications.
Based on the above analysis, the Cellular Module has low requirements for QoS.
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