Method for managing interference

1. A method for managing interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, a set-top box having a wireless network using frequency-hopping spread spectrum and being connected to a residential gateway having a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique and being able to reduce the interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, wherein the method comprises the steps of:

transferring parameters used in the wireless network using the frequency-hopping spread spectrum of the residential gateway to the set-top box with an time offset for an application, by the set-top box, of the transferred parameters and of the time offset, in the wireless network using the frequency-hopping spread spectrum of the set-top box,

determining whether the set-top box and the residential gateway are close to each other and, in the affirmative:

receiving, by the residential gateway, of the profiles of the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box,

transferring, by the residential gateway to the set-top box, of a command of temporal correction request,

relaying, by the residential gateway, of the information exchanged between the set-top box and the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box before the deactivation of the wireless network using the frequency-hopping spread spectrum of the set-top box.

2. The method according to claim 1 , wherein the method further comprises the steps of:

transferring, by the set-top box, of information indicating to the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box of an application of the time offset in the wireless network using the frequency-hopping spread spectrum of the set-top box,

applying the parameters and of the time offset in the wireless network of the set-top box using frequency-hopping spread spectrum,

deactivating the wireless network using the frequency-hopping spread spectrum of the set-top box.

3. The method according to claim 1 , wherein the determination whether the set-top box and the residential gateway are close to each other is done by detecting the power of the radio signals received from the set-top box and/or by an estimation of the length of a cable connecting the set-top box and the residential gateway and/or by an attempt at connection to the network of the set-top box using signals at a power below a nominal power.

4. The method according to claim 1 , wherein the method is executed with a periodicity that depends on the result of the previous determinations of the proximity of the set-top box and residential gateway.

5. The method according to claim 1 , wherein the method further comprises the steps of:

qualifying the connection between the residential gateway and the set-top box,

taking into account the qualification for the relay, through the qualified connection, by the residential gateway, of the information exchanged between the set-top box and the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box before deactivating the wireless network using the frequency-hopping spread spectrum of the set-top box.

6. The method according to claim 1 , wherein the wireless networks using frequency-hopping spread spectrum are Bluetooth type networks and the wireless network using a spread spectrum technique is a Wi-Fi or IEEE 802.11 network 802.11 type.

7. The method according to claim 1 , wherein the method is executed periodically and the set-top box and residential gateway are no longer close, and the method further comprises the steps of:

determining the peripherals that must belong to the pico network of the set-top box,

transferring to the set-top box the profiles of each peripheral that must belong to the pico network of the set-top box with the parameters used in the wireless network using the frequency-hopping spread spectrum of the residential gateway,

transferring, by the residential gateway to the set-top box, of a command temporal correction request command.

8. A device for managing interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, a set-top box having a wireless network using frequency-hopping spread spectrum and being connected to a residential gateway having a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique and being able to reduce the interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, wherein the device is included in the residential gateway and comprises:

means for transferring parameters used in the wireless network using the frequency-hopping spread spectrum of the residential gateway to the set-top box together with a time offset for an application, by the set-top box, of the transferred parameters and of the time offset, in the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for determining whether the set-top box and the residential gateway are close to each other and, in the affirmative:

means for receiving, by the residential gateway, the profiles of the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for transferring, by the residential gateway to the set-top box, of a temporal correction request command,

means for the relaying, by the residential gateway, of the information exchanged between the set-top box and the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box before the deactivation of the wireless network using the frequency-hopping spread spectrum of the set-top box.

9. A system for managing interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, a set-top box having a wireless network using frequency-hopping spread spectrum and being connected to a residential gateway having a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique and being able to reduce the interference generated by the simultaneous operation of a wireless network using frequency-hopping spread spectrum and a wireless network using a spread spectrum technique, wherein the system comprises:

means for transfer of the parameters used in the wireless network using the frequency-hopping spread spectrum of the residential gateway to the set-top box with an time offset for an application, by the set-top box, of the transferred parameters and of the time offset, in the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for determining whether the set-top box and the residential gateway are close to each other and, in the affirmative:

means for the receiving, by the residential gateway, the profiles of the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for the transferring, by the residential gateway to the set-top box, a temporal correction request,

means for the transfer, by the set-top box, of information indicating, to the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box, an application of the time offset in the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for applying the parameters and the time offset in the wireless network of the set-top box using frequency-hopping spread spectrum,

means for deactivating the wireless network using the frequency-hopping spread spectrum of the set-top box,

means for relaying, by the residential gateway, of the information exchanged between the set-top box and the peripherals connected to the wireless network using the frequency-hopping spread spectrum of the set-top box before the deactivation of the wireless network using the frequency-hopping spread spectrum of the set-top box.

10. A non-transitory storage medium storing a computer program comprising

instructions for the implementation, by a system, of the method according to claim 1 when said

computer program is executed by a processor of said system.