Method and device for determining a set of frequencies that can be used for transmitting information between radio transceivers of a network operating with frequency hopping

A method for determining a set of frequencies which may be used in a frequency plane, for the transmission of information between at least two radio transceivers of a same network operating with frequency hopping, the method comprising:

• determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value below a comparison threshold;
• monitoring first and second portions of the frequency plane, the first monitored portion including the set of the frequencies which may be used, determined at the end of the previous determination step, the second monitored portion including frequencies not belonging to the set of the frequencies which may be used, determined at the end of the previous determination step;
• and
• subsequently determining a new set of frequencies which may be used associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value below a comparison threshold associated with this subsequent determination step,
• wherein a step of monitoring the first and second portions and the subsequent determination step are performed automatically by a transceiver,
• wherein the subsequent determination step associated with the first monitored portion has a first comparison threshold and in that the subsequent determination step associated with the second monitored portion has a second comparison threshold with a value distinct from that of the first comparison threshold,
• wherein a frequency of the second monitored portion is added to the new set of frequencies which may be used only when the value of its variable quantity is less than the second threshold during a plurality of successive measurements.

A method for determining a set of frequencies which may be used in a frequency plane, for the transmission of information between at least two radio transceivers of a same network operating with frequency hopping, the method comprising:

• determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value below a comparison threshold;
• monitoring first and second portions of the frequency plane, the first monitored portion including the set of the frequencies which may be used, determined at the end of the previous determination step, the second monitored portion including frequencies not belonging to the set of the frequencies which may be used, determined at the end of the previous determination step;
• and
• subsequently determining a new set of frequencies which may be used associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value below a comparison threshold associated with this subsequent determination step,
• wherein a step of monitoring the first and second portions and the subsequent determination step are performed automatically by a transceiver,
• wherein the subsequent determination step associated with the first monitored portion has a first comparison threshold and in that the subsequent determination step associated with the second monitored portion has a second comparison threshold with a value distinct from that of the first comparison threshold,
• the network comprising a master transceiver of the synchronization between the transceivers of the network, the method in which the monitoring step and the subsequent determination step are carried out by the master transceiver of the synchronization.

A method for determining a set of frequencies which may be used in a frequency plane, for the transmission of information between at least two radio transceivers of a same network operating with frequency hopping, the method comprising:

• determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value below a comparison threshold;
• monitoring first and second portions of the frequency plane, the first monitored portion including the set of the frequencies which may be used, determined at the end of the previous determination step, the second monitored portion including frequencies not belonging to the set of the frequencies which may be used, determined at the end of the previous determination step;
• and
• subsequently determining a new set of frequencies which may be used associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value below a comparison threshold associated with this subsequent determination step,
• wherein a step of monitoring the first and second portions and the subsequent determination step are performed automatically by a transceiver,
• wherein the subsequent determination step associated with the first monitored portion has a first comparison threshold and in that the subsequent determination step associated with the second monitored portion has a second comparison threshold with a value distinct from that of the first comparison threshold;
• transmitting with said transceiver, the set of frequencies which may be used, determined beforehand to the other transceivers of the network, the set of frequencies which may be used being regularly transmitted;
• and
• transmitting data with frequency hopping between transceivers on the set of the frequencies which may be used, transmitted to all the transceivers of the network.

A device for determining a set of frequencies which may be used in a frequency plane, for transmitting information between at least two radio transceivers of a same network operating with frequency hopping, the device comprising:

• a mechanism for initially determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value less than a comparison threshold;
• a mechanism for monitoring first and second portions of the frequency plane, the first monitored portion including the set of frequencies which may be used determined at the end of the preceding determination step, the second monitored portion including frequencies not belonging to the preceding set of frequencies which may be used;
• and
• a mechanism for subsequently determining a new set of frequencies which may be used, associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value less than the comparison threshold,
• the monitoring mechanism, respectively the subsequent determination mechanism being able to carry out automatically the monitoring of the first and second portions, respectively the subsequent determination of the new set of frequencies which may be used,
• wherein the subsequent determination mechanism includes a first comparison threshold associated with the first monitored portion and a second comparison threshold associated with the second monitored portion, with a value distinct from that of the first comparison threshold,
• wherein a frequency of the first monitored portion is suppressed from the new set of frequencies which may be used only when the value of its variable quantity is greater than the first threshold during a plurality of successive measurements.

A device for determining a set of frequencies which may be used in a frequency plane, for transmitting information between at least two radio transceivers of a same network operating with frequency hopping, the device comprising:

• a mechanism for initially determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value less than a comparison threshold;
• a mechanism for monitoring first and second portions of the frequency plane, the first monitored portion including the set of frequencies which may be used determined at the end of the preceding determination step, the second monitored portion including frequencies not belonging to the preceding set of frequencies which may be used;
• and
• a mechanism for subsequently determining a new set of frequencies which may be used, associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value less than the comparison threshold,
• the monitoring mechanism, respectively the subsequent determination mechanism being able to carry out automatically the monitoring of the first and second portions, respectively the subsequent determination of the new set of frequencies which may be used,
• wherein the subsequent determination mechanism includes a first comparison threshold associated with the first monitored portion and a second comparison threshold associated with the second monitored portion, with a value distinct from that of the first comparison threshold,
• wherein a frequency of the second monitored portion is added to the new set of frequencies which may be used only when the value of its variable quantity is less than the second threshold during a plurality of successive measurements.

A device for determining a set of frequencies which may be used in a frequency plane, for transmitting information between at least two radio transceivers of a same network operating with frequency hopping, the device comprising:

• a mechanism for initially determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value less than a comparison threshold;
• a mechanism for monitoring first and second portions of the frequency plane, the first monitored portion including the set of frequencies which may be used determined at the end of the preceding determination step, the second monitored portion including frequencies not belonging to the preceding set of frequencies which may be used;
• and
• a mechanism for subsequently determining a new set of frequencies which may be used, associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value less than the comparison threshold,
• the monitoring mechanism, respectively the subsequent determination mechanism being able to carry out automatically the monitoring of the first and second portions, respectively the subsequent determination of the new set of frequencies which may be used;
• wherein the subsequent determination mechanism includes a first comparison threshold associated with the first monitored portion and a second comparison threshold associated with the second monitored portion, with a value distinct from that of the first comparison threshold,
• the network comprising a master transceiver of the synchronization between the transceivers of the network, the monitoring mechanism and the subsequent determination mechanism are carried out by the master transceiver of the synchronization.

A device for determining a set of frequencies which may be used in a frequency plane, for transmitting information between at least two radio transceivers of a same network operating with frequency hopping, the device comprising:

• a mechanism for initially determining an initial set of frequencies which may be used, each frequency of the initial set having a variable quantity with a value less than a comparison threshold;
• a mechanism for monitoring first and second portions of the frequency plane, the first monitored portion including the set of frequencies which may be used determined at the end of the preceding determination step, the second monitored portion including frequencies not belonging to the preceding set of frequencies which may be used;
• and
• a mechanism for subsequently determining a new set of frequencies which may be used, associated with at least one of the monitored portions, each frequency of the new set having a variable quantity with a value less than the comparison threshold,
• the monitoring mechanism, respectively the subsequent determination mechanism being able to carry out automatically the monitoring of the first and second portions, respectively the subsequent determination of the new set of frequencies which may be used,
• wherein the subsequent determination mechanism includes a first comparison threshold associated with the first monitored portion and a second comparison threshold associated with the second monitored portion, with a value distinct from that of the first comparison threshold;
• a mechanism for transmitting with said transceiver, the set of frequencies which may be used, determined beforehand to the other transceivers of the network, the set of frequencies which may be used being regularly transmitted;
• and
• a mechanism for transmitting data with frequency hopping between transceivers on the set of the frequencies which may be used, transmitted to all the transceivers of the network.