CN105516957A - Method and device for switching NAN (Neighbor Awareness Network) network channels - Google Patents

Method and device for switching NAN (Neighbor Awareness Network) network channels Download PDF

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Publication number
CN105516957A
CN105516957A CN201510862910.5A CN201510862910A CN105516957A CN 105516957 A CN105516957 A CN 105516957A CN 201510862910 A CN201510862910 A CN 201510862910A CN 105516957 A CN105516957 A CN 105516957A
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China
Prior art keywords
channel
mobile terminal
nan network
home equipment
working channels
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CN201510862910.5A
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CN105516957B (en
Inventor
李娜
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Qingdao Haier Intelligent Home Appliance Technology Co Ltd
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Qingdao Haier Intelligent Home Appliance Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a method and device for switching NAN network channels. The process of the method executed at a mobile terminal side comprises: building NAN network connection on more than two channels between a mobile terminal and a routing device, wherein the NAN network connection built on the more than two channels is equipped with time synchronized discovery time windows; taking any one of the channels in the more than two signals in addition to the channel with lowest frequency as a main channel, interacting with a home device by the main channel; when the distance between the mobile terminal and the device of an opposite side is more than a corresponding distance threshold value, switching the main channel to a channel with relatively low frequency, controlling the home device by the channel with relatively low frequency, wherein the device of the opposite side comprises the routing device and/or home device. According to the invention, communication interrupt is avoided after switching among different channels through using the same synchronized time by the NAN network connection on different frequency bands, and the immediate effect of the control command of the mobile terminal on the home device is ensured.

Description

A kind of method of NAN network channel conversion and device
Technical field
The present invention relates to Smart Home connection control technical field, particularly relate to method and the device of the conversion of a kind of NAN network channel.
Background technology
Wi-Fi Alliance has formulated the standard criterion of NAN (NeighborAwarenessNetwork closes on and finds network).Before this specification is intended to connect, low-power consumption, find the business that surrounding devices provides fast.
NAN technology is by time synchronized, in the discovery time window appointed, carry out service discovering.Two large class message are defined: beacon Beacon message and service discovering message in current standard.Beacon Beacon message is divided into again synchronous Beacon message and finds Beacon message.Find Beacon transmission of messages in discovery time outside window, for finding NANCluster, the group that NANCluster is made up of multiple equipment, in this group, the time synchronized of each equipment, all uses identical time window to carry out service discovering; Synchronous Beacon message is the equipment time synchronized for making in NANCluster.Service discovering message is used in discovery time window, for find place NANCluster in the business that provides of other equipment.
NANCluster can be operated on the channel of different frequency range, but the discovery time window of each channel needs to stagger, and cannot carry out, this is in order to same equipment can be made to join in different NANCluster simultaneously.
In home domain, the controller controlling home equipment is generally served as by mobile terminal, due to mobile terminal move in domestic environment distance home equipment far away local time, use the channel of 2.4GHz possibly cannot meet communication requirement, therefore need to use the channel of more low-frequency range to communicate.
But the operating time window of the different frequency range in NAN network is inconsistent, after switching can be caused, there is communication disruption.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of method providing NAN network channel to change and device, avoid communication disruption when NAN network is switched between multiple frequency channels.
The technical solution used in the present invention is, the method for described NAN network channel conversion, and the flow process performed at mobile terminal side comprises:
Between mobile terminal with routing device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized;
The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and home equipment;
When distance between mobile terminal to counterpart device exceedes corresponding distance threshold, switched to by use working channels and use lower frequency channel to control home equipment, described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, described working channels and home equipment is used to carry out alternately, comprising:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
Further, the described flow process performed at mobile terminal side, also comprises:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
Further, whether the distance between mobile terminal to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
Further, the described flow process performed at mobile terminal side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
Further, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, described mobile terminal side perform flow process, also comprise:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
A kind of method that the present invention also provides NAN network channel to change, the flow process performed in routing device side comprises:
Between routing device with counterpart device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment;
The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and counterpart device;
When distance between routing device to counterpart device exceedes corresponding distance threshold, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, when described counterpart device is mobile terminal, when described counterpart device is mobile terminal, the described flow process performed in routing device side, also comprises: on described working channels, set up NAN network between routing device with home equipment be connected.
Further, described working channels and counterpart device is used to carry out alternately, comprising:
As trunking, described working channels is used to carry out alternately with mobile terminal and home equipment respectively.
Further, the described flow process performed in routing device side, also comprises:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
Further, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
Further, the described flow process performed in routing device side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
Further, when described counterpart device comprises mobile terminal and home equipment, the described flow process performed in routing device side, also comprises:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
A kind of method that the present invention also provides NAN network channel to change, the flow process performed at household equipment side comprises:
Between home equipment with routing device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
When distance between home equipment and mobile terminal exceedes second distance threshold value more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
Further, in the flow process that household equipment side performs, also comprise:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
Further, the notice that the channel that home equipment carries out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
The device that the present invention also provides a kind of NAN network channel to change, be arranged at mobile terminal side, described device comprises:
First channel determination module, is connected for setting up NAN network between mobile terminal with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and home equipment;
First switching controls module, when exceeding corresponding distance threshold for the distance between mobile terminal to counterpart device, being switched to by use working channels uses lower frequency channel to control home equipment, and described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, described first switching controls module, specifically for:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
Further, described first switching controls module, also for:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
Further, whether the distance between mobile terminal to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
Further, described first switching controls module, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
Further, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, described switching controls module, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
The device that the present invention also provides a kind of NAN network channel to change, be arranged at routing device side, described device comprises:
Second channel determination module, is connected for setting up NAN network between routing device with counterpart device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and counterpart device;
Second switching controls module, when exceeding corresponding distance threshold for the distance between routing device to counterpart device, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, when described counterpart device is mobile terminal, described second channel determination module, also for: between routing device with home equipment, on described working channels, set up NAN network be connected.
Further, described working channels and counterpart device is used to carry out alternately, comprising:
As trunking, described working channels is used to carry out alternately with mobile terminal and home equipment respectively.
Further, described second switching controls module, also for:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
Further, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
Further, described second switching controls module, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
Further, when described counterpart device comprises mobile terminal and home equipment, described second switching controls module, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
The device that the present invention also provides a kind of NAN network channel to change, be arranged at home equipment side, described device comprises:
3rd channel determination module, is connected for setting up NAN network between home equipment with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
3rd switching controls module, when exceeding second distance threshold value for the distance between home equipment and mobile terminal more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Further, described 3rd switching controls module, also for:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
Further, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
Further, the notice that the channel that described 3rd switching controls module is carried out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
The present invention also provides a kind of mobile terminal, comprises the above-mentioned device being arranged at the NAN network channel conversion of mobile terminal side.
The present invention also provides a kind of routing device, comprises the above-mentioned device being arranged at the NAN network channel conversion of routing device side.
The present invention also provides a kind of home equipment, comprises the above-mentioned device being arranged at the NAN network channel conversion of home equipment side.
Adopt technique scheme, the present invention at least has following advantages:
The method of NAN network channel conversion of the present invention and device, in home environment, connect by making the NAN network on different frequency range and use identical lock in time, the NAN network of namely different channels connects the identical discovery time window of use, avoid communication disruption after can switching between different channels, ensure that the prompt effect of mobile terminal for the control command of home equipment.The present invention, when mobile terminal is away from router or gateway, just uses comparatively low frequency channel to communicate, can reduce the interference of communication.When home equipment is only operated in working channels, mobile terminal and routing device translated channel, can reduce the power consumption of home equipment, reduces the complexity of home equipment.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the NAN network channel conversion of first embodiment of the invention;
Fig. 2 is the method flow diagram of the NAN network channel conversion of second embodiment of the invention;
Fig. 3 is the method flow diagram of the NAN network channel conversion of third embodiment of the invention;
Fig. 4 is the device composition structural representation of the NAN network channel conversion of fourth embodiment of the invention;
Fig. 5 is the device composition structural representation of the NAN network channel conversion of fifth embodiment of the invention;
Fig. 6 is the device composition structural representation of the NAN network channel conversion of sixth embodiment of the invention;
Fig. 7 is the channel switching process schematic diagram of the application example one in tenth embodiment of the invention;
Fig. 8 is the channel switching process schematic diagram of the application example two in tenth embodiment of the invention;
Fig. 9 is the channel switching process schematic diagram of the application example three in tenth embodiment of the invention.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, a kind of method of NAN network channel conversion, as shown in Figure 1, the method comprises following concrete steps in the flow process that mobile terminal side performs:
Step S101, sets up NAN network and is connected between mobile terminal with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized;
Step S102, uses in described two or more channel the arbitrary channel removed outside the minimum channel of frequency to carry out alternately as working channels and home equipment;
Step S103, when the distance between mobile terminal to counterpart device exceedes corresponding distance threshold, switched to by use working channels and use lower frequency channel to control home equipment, described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, in step s 103, use described working channels and home equipment to carry out alternately, comprising:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
Preferably, the described flow process performed at mobile terminal side of the present embodiment, also comprises:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
In the present embodiment, whether the distance between mobile terminal to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
Preferably, the described flow process performed at mobile terminal side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
Further, in the present embodiment, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, described mobile terminal side perform flow process, also comprise:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching, uses channel and routing device after switching to make home equipment or carries out alternately with mobile terminal.
It is consider following scene that the present embodiment designs this informing mechanism: between home equipment with routing device, set up NAN network based on two or more channel be connected, and described two or more channel has identical discovery time window, working channels is used to control home equipment between home equipment and routing device, now home equipment also can be switched to channel compared with low frequency from working channels, if do not possess the function of detection range distance at home equipment, then cannot switch by trigger channel, therefore, need mobile terminal when carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
Second embodiment of the invention, a kind of method of NAN network channel conversion, as shown in Figure 2, the flow process that the method performs in routing device side comprises following concrete steps:
Step S201, sets up NAN network and is connected between routing device with counterpart device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment;
Concrete, when described counterpart device comprises mobile terminal and home equipment, routing device can be set up NAN network with mobile terminal and home equipment based on two or more channel respectively and be connected, and in step S202, all use working channels to carry out alternately.
And when described counterpart device is mobile terminal, in order to realize the control of subsequent movement terminal to home equipment, need to set up situation to the channel between routing device and home equipment to be illustrated, therefore, the described flow process performed in routing device side, also comprises: on described working channels, set up NAN network between routing device with home equipment be connected.
Step S202, uses in described two or more channel the arbitrary channel removed outside the minimum channel of frequency to carry out alternately as working channels and counterpart device;
Step S203, when distance between routing device to counterpart device exceedes corresponding distance threshold, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, in step S202, use described working channels and counterpart device to carry out alternately, comprising:
As trunking, described working channels is used to carry out alternately with mobile terminal and home equipment respectively.Such as: when using described working channels to receive the control command of mobile terminal for home equipment, by described working channels, described control command is transmitted to corresponding home equipment.
Preferably, the flow process that the method for the present embodiment performs in routing device side, also comprises:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
In the present embodiment, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
Preferably, the flow process that the method performs in routing device side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
Further, in the present embodiment, when described counterpart device comprises mobile terminal and home equipment, the described flow process performed in routing device side, also comprises:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching, uses channel and routing device after switching to make home equipment or carries out alternately with mobile terminal.
It is consider following scene that the present embodiment designs this informing mechanism: between home equipment with routing device, set up NAN network based on two or more channel be connected, and described two or more channel has identical discovery time window, working channels is used to control home equipment between home equipment and routing device, now home equipment also can be switched to channel compared with low frequency from working channels, if do not possess the function of detection range distance at home equipment, then cannot switch by trigger channel, therefore, need mobile terminal when carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
Third embodiment of the invention, a kind of method of NAN network channel conversion, as shown in Figure 3, the flow process that the method performs at household equipment side comprises following concrete steps:
Step S301, sets up NAN network and is connected between home equipment with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
Step S302, when distance between home equipment and mobile terminal exceedes second distance threshold value more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
Distance between mobile terminal and routing device exceedes second distance threshold value and is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected based on NAN network distance metering system Ranging by routing device.Follow-up, when mobile terminal or the router distance detected between mobile terminal and routing device exceedes second distance threshold value, working channels is switched to comparatively low frequency channel by notice home equipment.
Preferably, the flow process that the method for the present embodiment performs at household equipment side, also comprises:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
Further, in the present embodiment, if home equipment for want of detection range distance function and cannot trigger channel switch, then the notice that the channel that home equipment carries out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
Fourth embodiment of the invention, corresponding with the first embodiment, the present embodiment introduces the device of a kind of NAN network channel conversion, and be arranged at mobile terminal side, as shown in Figure 4, this device comprises following part:
1) the first channel determination module 401, is connected for setting up NAN network between mobile terminal with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and home equipment;
2) the first switching controls module 402, when exceeding corresponding distance threshold for the distance between mobile terminal to counterpart device, being switched to by use working channels uses lower frequency channel to control home equipment, and described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, the first switching controls module 402, specifically for:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
Preferably, the first switching controls module 402 of the present embodiment, also for:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
Further, the distance parameter that the first switching controls module 402 of the present embodiment is referenced when carrying out channel and switching, whether the distance namely between mobile terminal to counterpart device exceedes corresponding distance threshold, detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
Preferably, the first switching controls module 402 of the present embodiment, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
Further, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, the switching controls module 402 of the present embodiment, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching, uses channel and routing device after switching to make home equipment or carries out alternately with mobile terminal.
Fifth embodiment of the invention, corresponding with the second embodiment, the present embodiment introduces the device of a kind of NAN network channel conversion, and be arranged at routing device side, as shown in Figure 5, this device comprises following part:
1) second channel determination module 501, is connected for setting up NAN network between routing device with counterpart device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and counterpart device;
Concrete, when described counterpart device is mobile terminal, described second channel determination module, also for: between routing device with home equipment, set up NAN network based on described working channels be connected.
2) the second switching controls module 502, when exceeding corresponding distance threshold for the distance between routing device to counterpart device, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, the second switching controls module 502 for: as trunking, use described working channels to carry out alternately with mobile terminal and home equipment respectively.Such as: when using described working channels to receive the control command of mobile terminal for home equipment, by described working channels, described control command is transmitted to corresponding home equipment.
Preferably, the second switching controls module 502 of the present embodiment, also for:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
In the present embodiment, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
Preferably, the second switching controls module 402, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
Further, in the present embodiment, when described counterpart device comprises mobile terminal and home equipment, the second switching controls module 402, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching, uses channel and routing device after switching to make home equipment or carries out alternately with mobile terminal.
Sixth embodiment of the invention, corresponding with the 3rd embodiment, the present embodiment introduces the device of a kind of NAN network channel conversion, and be arranged at home equipment side, as shown in Figure 6, this device comprises following part:
1) the 3rd channel determination module 601, is connected for setting up NAN network between home equipment with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
2) the 3rd switching controls module 602, when exceeding second distance threshold value for the distance between home equipment and mobile terminal more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
Concrete, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
Preferably, the 3rd switching controls module 602 of the present embodiment, also for:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
Further, in the present embodiment, if home equipment for want of detection range distance function and cannot trigger channel switch, then the notice that the channel that the 3rd switching controls module 602 is carried out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
Seventh embodiment of the invention, a kind of mobile terminal, can understand as entity apparatus, comprises the device of the NAN network channel conversion described in the 4th embodiment.
Eighth embodiment of the invention, a kind of routing device, can understand as entity apparatus, comprises the device of the NAN network channel conversion described in the 5th embodiment.
Ninth embodiment of the invention, a kind of home equipment, can understand as entity apparatus, comprises the device of the NAN network channel conversion described in the 6th embodiment.
Tenth embodiment of the invention, the present embodiment is on the basis of above-described embodiment, 7 ~ 9 introduces three application examples of the present invention by reference to the accompanying drawings.
Application example one:
As shown in Figure 7, channel switching process comprises following three phases:
First stage: step when connecting is as follows:
1. router or gateway (routing device namely above in embodiment) can simultaneously at multiple band operation.
2. mobile terminal is set up NAN network over multiple channels with router or gateway and is connected, and these channels use identical synchronised clock namely to possess identical discovery time window.One of them channel is instigator's channel (working channels namely above in embodiment).
3. home equipment is connected with channel being set up NAN network instigator with router or gateway.
Second stage: mobile terminal is as follows away from step when router or gateway:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.Specifically adopt Ranging mode to find range, this distance measuring method itself is prior art, so place is not described in detail.
2. when mobile terminal finds that presently used channel can not meet required communication quality, or and distance between router or gateway exceedes the threshold value of setting time, be switched on the channel of more low frequency NAN network.The channel of 900Mz frequency is such as switched to from the channel of 2.4GHz frequency.
3. when router or gateway discovery mobile terminal away from and presently used channel can not meet required communication quality time, or when the spacing of router or gateway and mobile terminal exceedes the threshold value of setting, router or gateway and mobile terminal all open the NAN network using more low frequency channel.
4., when using the mobile terminal of low-frequency range channel to send control command to home equipment, first send a command to router or gateway.
5. router or gateway re-use instigator with channel forward command to object home equipment.
Phase III: mobile terminal returns close to step when router or gateway as follows:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.
2., when the distance between mobile terminal discovery and router or gateway enters the threshold value of setting, be switched on instigator's channel of NAN network.The channel of 2.4GHz frequency is such as switched to from the channel of 900Mz frequency.
3. when router or gateway discovery mobile terminal close to and their spacing enters the threshold value of setting time, close the NAN network using low frequency channel.
4. mobile terminal uses instigator directly order to be sent on object home equipment with channel.
Application example two:
As shown in Figure 8, channel switching process comprises following three phases:
First stage: step when connecting is as follows:
1. router or gateway can simultaneously at multiple band operation.
2. mobile terminal and home equipment are all set up NAN network over multiple channels with router or gateway and are connected, and these channels use identical synchronised clock.
Second stage: mobile terminal is as follows away from step when router or gateway:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.
2. when mobile terminal finds that presently used channel can not meet required communication quality, or and distance between router or gateway exceedes the threshold value of setting time, be switched on the channel of more low frequency NAN network.The channel of 900Mz frequency is such as switched to from the channel of 2.4GHz frequency.
3. when router or gateway discovery mobile terminal away from and presently used channel can not meet required communication quality time, or when the spacing of router or gateway and mobile terminal exceedes the threshold value of setting, open the NAN network using low frequency channel.
4. router or gateway send the NAN network advertisement switching and use low frequency channel to home equipment.As 900MHz channel.
5. home equipment is switched to the NAN network of low frequency channel.As 900MHz channel.
6. mobile terminal uses the NAN network of low frequency channel to send control command to home equipment.
Phase III: mobile terminal returns close to step when router or gateway as follows:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.
2., when the distance between mobile terminal discovery and router or gateway enters the threshold value of setting, be switched on the high frequency channel of NAN network.The channel of 2.4GHz frequency is such as switched to from the channel of 900Mz frequency.
3. when router or gateway discovery mobile terminal close to and their spacing enters the threshold value of setting time, close the NAN network using low frequency channel.
4. router or gateway send the NAN network advertisement switching and use high frequency channel to home equipment.As 2.4GHz channel.
Application example three:
As shown in Figure 9, channel switching process comprises following three phases:
First stage: step when connecting is as follows:
1. router or gateway can simultaneously at multiple band operation.
2. mobile terminal and home equipment are all set up NAN network over multiple channels with router or gateway and are connected, and these channels use identical synchronised clock.
Second stage: mobile terminal is as follows away from step when router or gateway:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.
2. home equipment uses NAN network distance distance measuring method Ranging to measure the distance of mobile terminal.
3. when mobile terminal finds that presently used channel can not meet required communication quality, or and distance between router or gateway exceedes the threshold value of setting time, be switched on the channel of more low frequency NAN network.The channel of 900Mz frequency is such as switched to from the channel of 2.4GHz frequency.
4. when router or gateway and home equipment find mobile terminal away from and presently used channel can not meet required communication quality time, or, when router or the distance between gateway and mobile terminal or the distance between home equipment and mobile terminal exceed the threshold value of setting, switch the NAN network using low frequency channel.
5. mobile terminal uses the NAN network of low frequency channel to send control command to home equipment.
Phase III: mobile terminal returns close to step when router or gateway as follows:
1. carry out range measurement by NAN network between mobile terminal and router or gateway.
2. home equipment uses NAN network distance measuring technique to measure the distance of mobile terminal.
3., when the distance between mobile terminal discovery and router or gateway enters the threshold value of setting, be switched on the high frequency channel of NAN network.The channel of 2.4GHz frequency is such as switched to from the channel of 900Mz frequency.
4. when router or gateway and home equipment find mobile terminal close to and their spacing enters the threshold value of setting time, switch the NAN network using high frequency channel.As 2.4GHz channel.
The method of the described NAN network channel conversion of the embodiment of the present invention and device, in home environment, connect by making the NAN network on different frequency range and use identical lock in time, the NAN network of namely different channels connects the identical discovery time window of use, avoid communication disruption after can switching between different channels, ensure that the prompt effect of mobile terminal for the control command of home equipment.The present invention, when mobile terminal is away from router or gateway, just uses comparatively low frequency channel to communicate, can reduce the interference of communication.When home equipment is only operated in working channels, mobile terminal and routing device translated channel, can reduce the power consumption of home equipment, reduces the complexity of home equipment.
By the explanation of embodiment, should to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but appended diagram be only to provide with reference to and the use of explanation, be not used for being limited the present invention.

Claims (37)

1. a method for NAN network channel conversion, is characterized in that, the flow process performed at mobile terminal side comprises:
Between mobile terminal with routing device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized;
The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and home equipment;
When distance between mobile terminal to counterpart device exceedes corresponding distance threshold, switched to by use working channels and use lower frequency channel to control home equipment, described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
2. the method for NAN network channel conversion according to claim 1, is characterized in that, use described working channels and home equipment to carry out alternately, comprising:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
3. the method for NAN network channel conversion according to claim 1, is characterized in that, the described flow process performed at mobile terminal side, also comprises:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
4. the method for the NAN network channel conversion according to claim 1 or 3, it is characterized in that, whether the distance between mobile terminal to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
5. the method for NAN network channel conversion according to claim 1, is characterized in that, the described flow process performed at mobile terminal side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
6. the method for the NAN network channel conversion according to claim 1 or 3 or 5, it is characterized in that, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, the described flow process performed at mobile terminal side, also comprises:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
7. a method for NAN network channel conversion, is characterized in that, the flow process performed in routing device side comprises:
Between routing device with counterpart device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment;
The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and counterpart device;
When distance between routing device to counterpart device exceedes corresponding distance threshold, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
8. the method for NAN network channel conversion according to claim 7, it is characterized in that, when described counterpart device is mobile terminal, the described flow process performed in routing device side, also comprises: on described working channels, set up NAN network between routing device with home equipment be connected.
9. the method for the NAN network channel conversion according to claim 7 or 8, is characterized in that, use described working channels and counterpart device to carry out alternately, comprising:
As trunking, described working channels is used to carry out alternately with mobile terminal and home equipment respectively.
10. the method for NAN network channel conversion according to claim 7, is characterized in that, the described flow process performed in routing device side, also comprises:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
11. according to claim 7 or 10 NAN network channel conversion method, it is characterized in that, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
The method of 12. NAN network channel conversions according to claim 7, it is characterized in that, the described flow process performed in routing device side, also comprises:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
13. according to claim 7 or 10 or 12 NAN network channel conversion method, it is characterized in that, when described counterpart device comprises mobile terminal and home equipment, described routing device side perform flow process, also comprise:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
The method of 14. 1 kinds of NAN network channel conversions, is characterized in that, the flow process performed at household equipment side comprises:
Between home equipment with routing device, on two or more channel, set up NAN network be connected, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
When distance between home equipment and mobile terminal exceedes second distance threshold value more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
The method of 15. NAN network channel conversions according to claim 14, is characterized in that, in the flow process that household equipment side performs, also comprise:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
16. according to claims 14 or 15 NAN network channel conversion method, it is characterized in that, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
17. according to claims 14 or 15 NAN network channel conversion method, it is characterized in that, the notice that the channel that home equipment carries out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
The device of 18. 1 kinds of NAN network channel conversions, it is characterized in that, be arranged at mobile terminal side, described device comprises:
First channel determination module, is connected for setting up NAN network between mobile terminal with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and home equipment;
First switching controls module, when exceeding corresponding distance threshold for the distance between mobile terminal to counterpart device, being switched to by use working channels uses lower frequency channel to control home equipment, and described counterpart device comprises: routing device and/or home equipment; Described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
The device of 19. NAN network channel conversions according to claim 18, is characterized in that, described first switching controls module, specifically for:
Use described working channels and routing device to carry out alternately, then undertaken alternately by routing device and home equipment; Or,
Between routing device with home equipment, on described working channels, set up NAN network when being connected, by described for use working channels directly and home equipment carry out alternately.
The device of 20. NAN network channels according to claim 18 conversions, is characterized in that, described first switching controls module, also for:
When distance between mobile terminal to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels to control home equipment.
21. according to claim 18 or 20 NAN network channel conversion device, it is characterized in that, whether the distance between mobile terminal to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by mobile terminal, or, detected by counterpart device based on NAN network distance metering system Ranging and inform mobile terminal.
The device of 22. NAN network channels according to claim 18 conversions, is characterized in that, described first switching controls module, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel to control home equipment.
23. according to claim 18 or 20 or 22 NAN network channel conversion device, it is characterized in that, when described counterpart device be home equipment and also set up on described two or more channel between routing device with home equipment NAN network be connected, described switching controls module, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
The device of 24. 1 kinds of NAN network channel conversions, it is characterized in that, be arranged at routing device side, described device comprises:
Second channel determination module, is connected for setting up NAN network between routing device with counterpart device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Described counterpart device comprises: mobile terminal, or, mobile terminal and home equipment; The arbitrary channel removed outside the minimum channel of frequency is used in described two or more channel to carry out alternately as working channels and counterpart device;
Second switching controls module, when exceeding corresponding distance threshold for the distance between routing device to counterpart device, being switched to by use working channels uses lower frequency channel and counterpart device to carry out alternately, and described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
The device of 25. NAN network channel conversions according to claim 24, it is characterized in that, when described counterpart device is mobile terminal, described second channel determination module, also for: between routing device with home equipment, on described working channels, set up NAN network be connected.
26. according to claim 24 or 25 NAN network channel conversion device, it is characterized in that, use described working channels and counterpart device to carry out alternately, comprising:
As trunking, described working channels is used to carry out alternately with mobile terminal and home equipment respectively.
The device of 27. NAN network channels according to claim 24 conversions, is characterized in that, described second switching controls module, also for:
When distance between routing device to counterpart device is less than or equal to corresponding distance threshold, is switched back by the described lower frequency channel of use and use described working channels and counterpart device to carry out alternately.
28. according to claim 24 or 27 NAN network channel conversion device, it is characterized in that, whether the distance between routing device to counterpart device exceedes corresponding distance threshold is detected based on NAN network distance metering system Ranging by routing device, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform routing device.
The device of 29. NAN network channels according to claim 24 conversions, is characterized in that, described second switching controls module, also for:
When the communication quality of described working channels is lower than quality threshold, is switched to by use working channels and use lower frequency channel and counterpart device to carry out alternately.
30. according to claim 24 or 27 or 29 NAN network channel conversion device, it is characterized in that, when described counterpart device comprises mobile terminal and home equipment, described second switching controls module, also for:
When carrying out channel and switching, notice home equipment also synchronously carries out corresponding channel switching.
The device of 31. 1 kinds of NAN network channel conversions, it is characterized in that, be arranged at home equipment side, described device comprises:
3rd channel determination module, is connected for setting up NAN network between home equipment with routing device on two or more channel, and the NAN network that described two or more channel is set up connects the discovery time window with time synchronized; Use in described two or more channel and remove arbitrary channel outside the minimum channel of frequency as working channels and routing device or carry out alternately with mobile terminal;
3rd switching controls module, when exceeding second distance threshold value for the distance between home equipment and mobile terminal more than the first distance threshold or the distance between mobile terminal and routing device, switched to by use working channels and use lower frequency channel and routing device or carry out alternately with mobile terminal, described lower frequency channel is the channel of the frequency in described two or more channel lower than described working channels.
The device of 32. NAN network channels according to claim 31 conversions, is characterized in that, described 3rd switching controls module, also for:
When distance between home equipment and mobile terminal is less than or equal to the first distance threshold, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal;
When distance between mobile terminal and routing device is less than or equal to second distance threshold value, is switched back by the described lower frequency channel of use and use described working channels and routing device or carry out alternately with mobile terminal.
33. according to claim 31 or 32 NAN network channel conversion device, it is characterized in that, whether the distance between home equipment and mobile terminal is detected based on NAN network distance metering system Ranging by home equipment more than the first distance threshold, or, detected by mobile terminal based on NAN network distance metering system Ranging and inform home equipment.
34. according to claim 31 or 32 NAN network channel conversion device, it is characterized in that, the notice that the channel that described 3rd switching controls module is carried out between working channels and lower frequency channel switches based on mobile terminal or routing device is carried out.
35. 1 kinds of mobile terminals, is characterized in that, comprise the device of the NAN network channel conversion according to any one of claim 18 ~ 23.
36. 1 kinds of routing devices, is characterized in that, comprise the device of the NAN network channel conversion according to any one of claim 24 ~ 30.
37. 1 kinds of home equipments, is characterized in that, comprise the device of the NAN network channel conversion according to any one of claim 31 ~ 34.
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