WO2014206145A1 - 一种网络接入方法、设备及系统 - Google Patents

一种网络接入方法、设备及系统 Download PDF

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Publication number
WO2014206145A1
WO2014206145A1 PCT/CN2014/076646 CN2014076646W WO2014206145A1 WO 2014206145 A1 WO2014206145 A1 WO 2014206145A1 CN 2014076646 W CN2014076646 W CN 2014076646W WO 2014206145 A1 WO2014206145 A1 WO 2014206145A1
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WO
WIPO (PCT)
Prior art keywords
channel
mobile wireless
wireless interconnection
interconnection device
interference
Prior art date
Application number
PCT/CN2014/076646
Other languages
English (en)
French (fr)
Inventor
相超
田洪飞
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP14806521.2A priority Critical patent/EP2941060B1/en
Priority to JP2015523415A priority patent/JP2015526995A/ja
Priority to US14/569,523 priority patent/US9743361B2/en
Publication of WO2014206145A1 publication Critical patent/WO2014206145A1/zh

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Classifications

    • 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
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • 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
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • 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
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a network access method, device, and system. Background technique
  • a WAN port on a Wireless Fidelity (WiFi) device can include an Ethernet port.
  • WiFi station (Station, STA 3G/4G (3rd/4th generation mobile communication technology) port users can access the WAN through any of these three.
  • 3G/4G port for data transmission
  • the carrier's network is heavily burdened and the tariff is high.
  • the local area network (LAN) usually uses the WiFi network to access the wired network, such as accessing the optical network.
  • the WiFi network has the characteristics of high performance and low tariff.
  • the two network resources can be uniformly coordinated, and after entering a WiFi network coverage, the WiFi network can be automatically switched to access the WiFi network through the WiFi hotspot, and the Internet is accessed through the WiFi network. Switch back to the 3G/4G network only if there is no WiFi hotspot nearby.
  • WiFi devices mostly use a single WiFi chip solution to implement WiFi uplink and downlink functions, and adopt a channel following strategy.
  • the WiFi uplink is connected to a new operator access point (Access Point, AP)
  • the mobile WiFi device The AP also switches its channel according to the channel of the WiFi uplink, that is, the uplink and the downlink maintain the same working channel, so that the mobile WiFi device may interrupt the service of the STA (such as a PC) connected thereto during the handover of the channel.
  • STA such as a PC
  • the embodiment of the invention discloses a network access method, device and system, which can prevent the mobile wireless interconnection device from having a service interruption when switching channels.
  • a network access method includes:
  • the mobile wireless interconnection device detects whether the first channel between the mobile wireless interconnection device and the station has interference with the second channel between the mobile wireless interconnection device and the hotspot access device;
  • the mobile radio interconnect device reduces its own transmit power such that the first channel and the second channel do not exist, thereby causing the station to pass the mobile radio interconnection device and the hotspot access device Access to the Internet.
  • the mobile radio interconnection device reduces its own transmit power, so that the first channel and the second channel do not have interference, including:
  • the mobile radio interconnection device gradually reduces its own transmit power, and detects whether the first channel and the second channel have interference after each lowering its own transmit power, until the first channel and the first channel are There is no interference in the second channel; or,
  • the mobile radio interconnection device reduces its transmission power by the set value according to a preset value, so that there is no interference between the first channel and the second channel.
  • the mobile wireless interconnection device detects whether the first channel between the mobile wireless interconnection device and the station is The interference of the second channel between the mobile wireless interconnection device and the hotspot access device includes:
  • the mobile wireless interconnection device detects a signal strength between the first channel and the second channel Whether the ratio of interference to noise is less than or equal to or less than or equal to a preset threshold;
  • the mobile radio interconnect device determines that the first channel and the second channel are interfering.
  • a third possible implementation manner before the mobile wireless interconnection device reduces its own transmit power, if the first channel and the first There are no interferences on the two channels, including:
  • the mobile wireless internet device maintains the same frequency dual channel operation in a time division multiplexing manner, so that the site passes the mobile wireless interconnection device. And accessing the Internet by the hotspot access device;
  • the mobile wireless interconnection device When the working frequency band of the site and the hotspot access device are different, the mobile wireless interconnection device maintains the inter-frequency dual channel operation in a time division multiplexing manner, so that the site passes the mobile wireless interconnection device. And accessing the Internet with the hotspot access device.
  • the mobile wireless interconnection device detects whether the first channel between the mobile wireless interconnection device and the station is related to the mobile Before the second channel between the wireless interconnection device and the hotspot access device has interference, the method further includes:
  • the mobile wireless interconnection device establishes a connection with the station through the first channel, and establishes a connection with the hotspot access device through the second channel.
  • a fifth possible implementation manner after the mobile wireless interconnection device reduces its own transmit power, if the first channel and the second channel are still There is interference, and the method further includes:
  • the mobile wireless interconnection device re-switches between the mobile wireless interconnection device and the station First channel o
  • a mobile wireless interconnection device comprising a detection module and an access module; wherein:
  • the detecting module is configured to detect whether a first channel between the mobile wireless interconnection device and the station has interference with a second channel between the mobile wireless interconnection device and the hotspot access device;
  • the access module configured to: when the detecting module detects that the first channel and the second channel have interference, reduce a transmit power of the mobile wireless interconnection device itself, so that the first channel and the second channel There is no interference in the channel, so that the station accesses the Internet through the mobile wireless interconnection device and the hotspot access device.
  • the access module includes:
  • a first unit configured to gradually reduce a transmit power of the mobile wireless interconnection device, and notify the detection module to detect the first channel and the second after each reducing a transmit power of the mobile wireless interconnection device Whether there is interference in the channel until there is no interference between the first channel and the second channel; or, according to a preset value, the transmit power of the mobile wireless interconnection device itself is lowered by the set value, so that There is no interference between the first channel and the second channel.
  • the detecting module includes:
  • a first submodule configured to detect whether a signal strength and interference plus noise ratio between the first channel and the second channel is less than or equal to or less than a preset threshold
  • the second submodule is configured to determine that the first channel and the second channel have interference when the detection result of the first submodule is greater than the preset threshold.
  • the access module includes:
  • a second unit configured to: before the access module reduces the transmit power of the mobile wireless interconnection device itself, after the detecting module detects that the first channel and the second channel do not have interference, and When the working frequency band of the site and the hotspot access device are the same, the intra-frequency dual channel operation is maintained in a time division multiplexing manner, so that the site passes the mobile wireless interconnection device and the hotspot access device.
  • a third unit configured to: before the access module reduces the transmit power of the mobile wireless interconnection device itself, after the detecting module detects that the first channel and the second channel do not have interference, and When the working frequency band of the site and the hotspot access device are different, the inter-frequency multiplexing operation is maintained in a time division multiplexing manner, so that the site passes the mobile wireless interconnection device and the hotspot access device. Access to the Internet.
  • the device further includes:
  • connection module configured to establish a connection with the station through the first channel, and establish a connection with the hotspot access device through the second channel.
  • the device further includes:
  • a channel switching module configured to: after the access module reduces the transmit power of the mobile wireless interconnection device itself, if the first channel and the second channel still have interference, reswitch the mobile wireless interconnection device The first channel between the stations.
  • a network access system including a hotspot access device, a station, and the mobile wireless interconnection device of the second aspect.
  • the mobile wireless interconnection device can detect whether the first channel between the mobile wireless interconnection device and the station has interference with the second channel between the mobile wireless interconnection device and the hotspot access device, and when interference is detected
  • the mobile wireless interconnection device can reduce its own transmit power such that there is no interference between the first channel and the second channel, so that the station accesses the Internet through the mobile wireless interconnection device and the hotspot access device.
  • the mobile wireless interconnection device can reduce the transmission power of the mobile communication device by detecting that its own working channel does not meet the communication requirement.
  • the STA accesses the Internet through the mobile WiFi device and the hotspot access device to avoid switching the channel and causing the network to be interrupted, thereby improving the user experience.
  • FIG. 1 is a schematic diagram of a port of a mobile WiFi device according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a mobile WiFi device interacting with a STA and an operator AP according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a network access method according to an embodiment of the present invention
  • FIG. 4 is a flowchart of another network access method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a mobile WiFi device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another mobile WiFi device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another mobile WiFi device according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, instead of All embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the embodiment of the invention discloses a network access method, device and system, which can prevent the mobile wireless interconnection device from having a service interruption when switching channels.
  • the details are respectively described below, wherein the mobile wireless internet device is a mobile WiFi device.
  • the mobile WiFi device in the embodiment of the present invention may be named E5. See FIG. 1 , which is a schematic diagram of the port of E5.
  • the E5 may include a WAN port and a LAN port, and the WAN port includes an Ethernet port, a WiFi STA port, and a cellular wireless.
  • the communication network port is specifically described by using a 3G/4G port as an example.
  • the LAN port includes a Universal Serial Bus (USB) port and a WiFi AP port.
  • USB Universal Serial Bus
  • the WAN port allows the mobile WiFi device to be connected to other access points as a device with Internet access requirements.
  • the LAN port allows the mobile WiFi device to act as a service node for other devices with Internet access needs.
  • E5 provides LAN services to users through USB ports or WiFi AP ports, such as WebNAS file sharing, Samba, Digital Living Network Alliance (DLNA) streaming media playback and recording;
  • DLNA Digital Living Network Alliance
  • Scenario 2 E5 provides WAN services for users connected via USB ports. It can access the Internet, surf the Internet, etc. through WAN ports such as Ethernet, WiFi STA, 3G/4G.
  • Scenario 3 Combine scenario 1 and scenario 2 to provide the above WAN service and LAN service for concurrent users.
  • FIG. 3 is a flowchart of a network access method according to an embodiment of the present invention. As shown in FIG. 3, the network access method may include the following steps.
  • the mobile WiFi device detects whether the first channel between the mobile WiFi device and the STA has interference with the second channel between the mobile WiFi device and the hotspot access device;
  • the mobile WiFi device selects an initial working channel (ie, the first channel) to operate normally, and the STA (eg, PC, smart phone, etc.) accesses the mobile WiFi device through the first channel, and the mobile WiFi device re-scans to find that the third party is available.
  • an initial working channel ie, the first channel
  • the STA eg, PC, smart phone, etc.
  • a hotspot access device for example, a WiFi AP
  • the mobile WiFi device detects whether the first channel interferes with the second channel, That is, whether the signal strength and interference plus noise ratio (SINR) between the first channel and the second channel is less than or equal to or less than a preset threshold, and if the SINR is less than or equal to a preset threshold, the mobile WiFi device may determine the first channel. There is no interference with the second channel.
  • SINR signal strength and interference plus noise ratio
  • the mobile WiFi device may determine that the first channel has interference with the second channel; for example, the preset threshold is 1, if the SINR is less than or equal to 1, for example, valid. If the signal is -50db and the interference plus noise is -70db, the mobile WiFi device can determine that there is no interference between the first channel and the second channel, if the SINR is greater than 1. For example, if the effective signal is -70db and the interference plus noise is -50db, the mobile WiFi device can determine that there is interference between the first channel and the second channel.
  • the mobile WiFi device If there is interference, the mobile WiFi device reduces its own transmit power, so that there is no interference between the first channel and the second channel, so that the STA accesses the Internet through the mobile WiFi device and the hotspot access device;
  • the mobile WiFi device may reduce its own transmission power, and the first channel and the second channel may be caused by the mobile WiFi device reducing its own transmission power.
  • the SINR value between the channels becomes smaller, so when the mobile WiFi device does not interfere with the first channel and the second channel by reducing its own transmission power, the STA can access the Internet through the mobile WiFi device and the hotspot access device, thereby The mobile WiFi device can be prevented from switching the downlink channel and causing the network to be interrupted for a period of time.
  • the mobile WiFi device can maintain the first channel by means of time division multiplexing. And a second channel, so that the STA accesses the Internet through the mobile WiFi device and the hotspot access device.
  • the mobile WiFi device When the working frequency bands of the STA and the hotspot access device are the same, for example, both work at 2.4 GHz, the mobile WiFi device maintains the same frequency dual channel or the same frequency co-channel operation in a time division multiplexing manner, so that the STA moves through The WiFi device and the hotspot access device access the Internet; when the STA and the hotspot access device work in different frequency bands, for example, the STA works at 2.4 GHz, and the hotspot access device works at 5 GHz, the mobile WiFi device uses the time sharing.
  • the multiplexing mode maintains the inter-frequency dual channel operation, so that the STA accesses the Internet through the mobile WiFi device and the hotspot access device.
  • the time division interval for the mobile WiFi device to maintain time division multiplexing of the first channel and the second channel may be configured according to service requirements, for example, the mobile WiFi device maintains communication with the first channel of the STA for a longer time.
  • the mobile WiFi device can reduce its own transmit power step by step, and detect whether there is interference on the first channel and the second channel after reducing its own transmit power each time until there is no interference between the first channel and the second channel; or The mobile WiFi device can reduce its own transmit power by the preset value according to a preset value, so that there is no interference between the first channel and the second channel.
  • the mobile WiFi device can maintain dual channel by reducing its own transmit power when detecting that its own working channel does not meet the communication requirement, so that the STA accesses through the mobile WiFi device and the hotspot access device.
  • the Internet which avoids disruption of network connectivity and thus enhances the user experience.
  • FIG. 4 is a flowchart of another network access method according to an embodiment of the present invention. As shown in FIG. 4, the network method can include the following steps.
  • the mobile WiFi device establishes a connection with the STA through the first channel, and establishes a connection with the hotspot access device through the second channel;
  • the STA may access the Internet through the WiFi network by using the mobile WiFi device, and the mobile WiFi device establishes with the STA through the first channel. Connected, then the WiFi device establishes a connection with the hotspot access device over the second channel.
  • a hotspot access device for example, a WiFi AP
  • the mobile WiFi device detects whether the first channel interferes with the second channel. Specifically, the mobile WiFi device may detect whether the signal strength and the interference plus noise SINR between the first channel and the second channel are less than or equal to or less than a preset threshold, and if the SINR is less than or equal to a preset threshold, the mobile WiFi device may Determining that there is no interference between the first channel and the second channel.
  • the mobile WiFi device may determine that the first channel and the second channel have interference; optionally, the preset threshold is 1, if the SINR is less than or Equivalent to 1, for example, the effective signal is -50db, the interference plus noise is -70db, then the mobile WiFi device can determine that there is no interference between the first channel and the second channel, if the SINR is greater than 1, for example, the effective signal is -70db, interference plus The noise is -50db, and the mobile WiFi device can determine that there is interference between the first channel and the second channel. If it is detected that there is interference, the flow proceeds to step S403, and if it is detected that there is no interference, the flow proceeds to step S405.
  • the preset threshold is 1, if the SINR is less than or Equivalent to 1, for example, the effective signal is -50db, the interference plus noise is -70db, then the mobile WiFi device can determine that there is no interference between the first channel and the second channel, if the SINR is greater than 1, for example, the effective signal is
  • the mobile WiFi device reduces its own transmit power
  • the degree of reducing the transmit power may be determined according to specific conditions of the mobile WiFi device, the STA, and the hotspot access device, and the purpose of reducing the transmit power is to reduce the SINR of the mobile WiFi device, so that the SINR is less than or equal to a threshold, thereby making the first channel There is no interference with the second channel.
  • the mobile radio interconnection device may reduce its own transmit power step by step, and detect whether the first channel and the second channel have interference after each time reducing its own transmit power, until the first channel is enabled. There is no interference with the second channel.
  • the mobile wireless interconnection device may further reduce its own transmit power by the preset value according to a preset value, so that there is no interference between the first channel and the second channel.
  • the mobile WiFi device detects whether the first channel interferes with the second channel.
  • step of detecting, by the mobile WiFi device, whether the first channel has interference with the second channel is the same as S402. If it is detected that there is no interference, the flow proceeds to step S405; if it is detected that there is still interference, the flow proceeds to step S406.
  • the mobile WiFi device enables the STA to access the Internet through the mobile WiFi device and the hotspot access device. Specifically, the mobile WiFi device can maintain the first channel and the second channel in a time division multiplexing manner, so that the STA passes the mobile WiFi device. And the hotspot access device accesses the Internet.
  • the mobile WiFi device When STA and hotspot access devices When the working frequency band is the same, for example, the ⁇ hook works at 2.4 GHz, the mobile WiFi device maintains the same frequency dual channel operation in a time division multiplexing manner, so that the STA accesses the Internet through the mobile WiFi device and the hotspot access device; When the STA and the hotspot access device work in different frequency bands, for example, the STA works at 2.4 GHz, and the hotspot access device works at 5 GHz, the mobile WiFi device maintains the inter-frequency dual-channel operation in a time-multiplexed manner. The STA is allowed to access the Internet through the mobile WiFi device and the hotspot access device.
  • the mobile WiFi device maintains a time-division interval of the time division multiplexing of the first channel and the second channel, which may be configured according to service requirements, for example, the mobile WiFi device maintains communication with the first channel of the STA for a longer time.
  • S406 The mobile WiFi device and the STA re-switch the first channel.
  • the WiFi device can enable the STA to initiate the mobile WiFi device. Reconnecting, so that the WiFi device re-switches the first channel, and the mobile WiFi device can perform the step S402 of detecting whether the first channel interferes with the second channel, so that the STA attempts to connect again through the mobile WiFi device and the hotspot access device.
  • the WiFi device can perform the step S402 of detecting whether the first channel interferes with the second channel, so that the STA attempts to connect again through the mobile WiFi device and the hotspot access device.
  • the mobile WiFi device before the mobile WiFi device and the STA re-switch the first channel, the mobile WiFi device reduces the transmission power only once, but does not exceed the mobile WiFi device connection STA and the hotspot connection.
  • the mobile WiFi device may also take multiple methods of reducing its transmit power such that the SINR between the first channel and the second channel meets the communication requirements.
  • FIG. 5 is a schematic structural diagram of a mobile WiFi device according to an embodiment of the present invention.
  • the mobile WiFi device 50 may include a detecting module 501 and an access module 502, where: a detecting module 501, configured to detect whether a first channel between the mobile WiFi device 50 and the STA is moving There is interference in the second channel between the WiFi device 50 and the hotspot access device.
  • the detecting module 501 may determine whether the first channel has interference with the second channel by detecting an SINR between the first channel and the second channel, and determine the first if the SINR is less than or equal to or less than a preset threshold.
  • the channel has no interference with the second channel. If the SINR is greater than the preset threshold, the first channel and the second channel may be determined to have interference.
  • the preset threshold is 1. If the SINR is less than or equal to 1, for example, effective. If the signal is -50db and the interference plus noise is -70db, it can be determined that there is no interference between the first channel and the second channel. If the SINR is greater than 1, for example, the effective signal is -70db and the interference plus noise is -50db, then the first There is interference between one channel and the second channel.
  • the access module 502 is configured to: when the detection result of the detecting module 501 is that there is interference, reduce the transmit power of the mobile WiFi device 50 itself, so that there is no interference between the first channel and the second channel, so that the STA passes the mobile WiFi device 50 and The hotspot access device accesses the Internet.
  • the WiFi device 50 can maintain the first channel and the second channel in a time division multiplexed manner to enable the STA to access the Internet through the mobile WiFi device 50 and the hotspot access device.
  • FIG. 6 is a schematic structural diagram of another mobile WiFi device according to an embodiment of the present invention.
  • the mobile WiFi device shown in FIG. 6 is optimized by the mobile WiFi device shown in FIG. 5.
  • the detecting module 501 specifically includes a first sub-module 5011 and a second sub-module 5012.
  • the access module 502 specifically includes a first unit 5021, a second unit 5022, and a third unit 5023.
  • the mobile WiFi device 50 shown in FIG. 6 further includes a connection module 503 and a channel switching module 504, where:
  • the first sub-module 5011 is configured to detect whether a signal strength and an interference plus noise ratio SINR between the first channel and the second channel is less than or equal to or less than a preset threshold; for example, the preset threshold is 1.
  • the second sub-module 5012 is configured to determine that the first channel and the second channel have interference when the detection result of the first sub-module 5011 is greater than a preset threshold; or, the detection result of the first sub-module 5011 is less than or equal to When the threshold is less than or equal to the preset threshold, it is determined that there is no interference between the first channel and the second channel.
  • the first unit 5021 is configured to gradually reduce the transmit power of the mobile WiFi device 50, and notify the detecting module 501 to detect whether the first channel and the second channel have interference after each reducing the transmit power of the mobile WiFi device 50. Until there is no interference between the first channel and the second channel; or, according to a preset value, the transmission power of the mobile WiFi device 50 is reduced by the preset value, so that there is no interference between the first channel and the second channel.
  • the second unit 5022 is configured to: before the access module 502 reduces the transmit power of the mobile WiFi device 50, after the detection result of the detection module 501 is that there is no interference on the first channel and the second channel, and the STA and the hotspot access
  • the working frequency band of the device is the same, for example, when the ⁇ hook works at 2.4 GHz
  • the time-frequency multiplexing mode is used to maintain the same-frequency dual channel or the same-frequency co-channel operation, so that the STA can access the WiFi device 50 and the hotspot access device. Access to the Internet;
  • the third unit 5023 is configured to: when the access module 502 reduces the transmit power of the mobile WiFi device 50, or after the detection result of the detection module 501 is that the first channel and the second channel have no interference, when the STA and the hotspot access
  • the working frequency band of the device is different, for example, the STA works at 2.4 GHz, and when the hotspot access device works at 5 GHz, the inter-frequency multiplexing operation is maintained in a time division multiplexing manner, so that the STA passes the mobile WiFi device 50 and The hotspot access device accesses the Internet.
  • the time division interval at which the mobile WiFi device 50 maintains the time division multiplexing of the first channel and the second channel can be configured as needed, for example, the mobile WiFi device 50 maintains communication with the first channel of the STA for a longer period of time.
  • the mobile WiFi device 50 shown in FIG. 6 further includes a connection module 503 and a channel switching module 504, wherein:
  • the connection module 503 is configured to establish a connection with the STA through the first channel, and establish a connection with the hotspot access device through the second channel.
  • the channel switching module 504 is configured to reduce the transmit power of the mobile WiFi device 50 at the access module 502. Then, if the first channel and the second channel still have interference, the first channel between the mobile WiFi device 50 and the STA is re-switched, so that the STA attempts to access the Internet again through the mobile WiFi device 50 and the hotspot access device.
  • FIG. 7 is a structural diagram of another mobile WiFi device according to an embodiment of the present invention, which is used to perform the dual channel access method disclosed in the embodiment of the present invention.
  • the mobile WiFi device 70 as shown in FIG. 7 includes: at least one processor 701, such as a CPU, at least one network interface 704 or other user interface 703, a memory 705, and at least one communication bus 702.
  • Communication bus 702 is used to implement connection communication between these components.
  • the user interface 703 can optionally include a USB interface and other standard interfaces and wired interfaces.
  • Network port 704 can optionally include an Ethernet port, a WiFi STA port, a WiFi AP port, and a cellular wireless communication network port, as well as other wireless interfaces.
  • Memory 705 may contain high speed RAM memory and may also include non-volatile memory, such as at least one disk memory.
  • the memory 705 can optionally include at least one storage device located remotely from the aforementioned processor 701.
  • memory 705 stores the following elements, executable modules or data structures, or a subset thereof, or their extension set:
  • Operating system 7051 which contains various system programs for implementing various basic services and handling hardware-based tasks
  • the application module 7052 includes various applications such as a device control service program and a device identification service program for implementing various application services.
  • the processor 701 is configured to invoke a program stored in the memory 705, and perform the following operations: detecting whether the first channel between the mobile WiFi device 70 and the STA (eg, PC/IPAD) is moving. There is interference on the second channel between the WiFi device 70 and the hotspot access device (eg, WiFi AP); if there is interference, the transmit power of the mobile WiFi device 70 is reduced, so that there is no interference between the first channel and the second channel, thereby The STA accesses the Internet through the mobile WiFi device 70 and the hotspot access device.
  • the STA eg, PC/IPAD
  • the processor 701 reduces the transmit power of the mobile WiFi device 70 such that there is no interference between the first channel and the second channel: the processor 701 steps down the transmit power of the mobile WiFi device 70, and After reducing the transmission power of the mobile WiFi device 70, it is detected whether there is interference in the first channel and the second channel until there is no interference in the first channel and the second channel.
  • the processor 701 reduces the transmit power of the mobile WiFi device 70 such that there is no interference between the first channel and the second channel: the processor 701 transmits the mobile WiFi device 70 according to a preset value. The power is reduced by the preset value such that there is no interference between the first channel and the second channel.
  • the processor 701 detects whether the first channel has interference with the second channel, and the processor 701 detects whether the SINR between the first channel and the second channel is less than or equal to or less than a preset threshold. For example, 1); if yes, it is determined that there is no interference between the first channel and the second channel; if not, it is determined that there is interference between the first channel and the second channel.
  • the processor 701 causes the STA to pass the mobile WiFi device 70 after the processor 701 detects that there is no interference on the first channel and the second channel before or after reducing the transmit power of the mobile WiFi device 70.
  • the manner in which the hotspot access device accesses the Internet is: the processor 701 can maintain the first channel and the second channel in a time division multiplexing manner, so that the STA accesses the Internet through the mobile WiFi device 70 and the hotspot access device.
  • the mobile WiFi device 70 maintains the same frequency dual channel or the same frequency and the same channel in a time division multiplexing manner.
  • the STA is enabled to access the Internet through the mobile WiFi device 70 and the hotspot access device; when the working frequency band of the STA and the hotspot access device are different, for example, the STA works at 2.4 GHz, and the hotspot access device works at 5 GHz, then moves
  • the WiFi device 70 maintains the inter-frequency dual channel operation in a time division multiplexing manner to enable the STA to access the Internet through the mobile WiFi device 70 and the hotspot access device.
  • the mobile WiFi device 70 maintains a time-division interval of the time division multiplexing of the first channel and the second channel, and can be configured as needed. For example, the mobile WiFi device 70 maintains communication with the first channel of the STA for a longer period of time.
  • the processor 701 is further configured to establish a connection with the STA through the first channel, and establish a connection with the hotspot access device through the second channel.
  • the processor 701 is further configured to: after the processor 701 reduces the transmit power of the mobile WiFi device 50, if the first channel and the second channel still have interference, re-switch the first between the mobile WiFi device 70 and the STA.
  • the channel such that the STA attempts to access the Internet again through the mobile WiFi device 70 and the hotspot access device.
  • the mobile WiFi device provided in FIG. 7 can enable the STA to access the Internet through the mobile WiFi device and the hotspot access device by reducing the transmission power of the mobile device when detecting that the working channel does not meet the communication requirement, thereby avoiding switching channels.
  • the network is interrupted, which in turn improves the user experience.
  • an embodiment of the present invention further provides a network access system, where the network access system includes a mobile WiFi device (ie, an E5 carrier AP (eg, WiFi AP) ffiSTA ( ⁇ ! ⁇ [], PC
  • the mobile WiFi device may be the mobile WiFi device 50 shown in FIG. 5 or FIG. 6 or the mobile WiFi device 70 shown in FIG. 7.
  • the structure and function of the mobile WiFi device may refer to FIG. 5 and FIG. 6 above. And the description of FIG. 7, so it will not be described here.
  • the network access system provided in FIG. 2 can enable the STA to access the Internet through the mobile WiFi device and the hotspot access device by reducing the transmission power of the network when detecting that the working channel does not meet the communication requirement, so as to avoid switching the channel. This leads to network disruption, which in turn improves the user experience.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Flash drive, read-only storage IK Read-Only Memory ⁇ OM ⁇ P ⁇ accessor ( Random Access Memory, RAM >. Disk or CD.

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Abstract

本发明实施例涉及通信技术领域，公开了一种网络接入方法、设备及系统。其中，该方法包括：移动Wifi设备检测移动Wifi设备和站点（STA）之间的第一信道是否与移动Wifi设备和热点接入设备之间的第二信道存在干扰（S301）；若存在干扰，移动Wifi设备降低自身的发射功率，使得所述第一信道和第二信道不存在干扰，从而使STA通过所述移动Wifi设备和热点接入设备接入互联网（S302）。通过本发明实施例，移动Wifi设备通过降低自身的发射功率而使得STA通过移动wifi设备和热点接入设备接入互联网，以避免切换信道而导致网络中断，进而提升用户体验。

Description

一种网络接入方法、 设备及系统 本申请要求于 2013 年 06 月 27 曰提交中国专利局 ， 申请号为
CN 201310261259.7, 发明名称为" 一种网络接入方法、 设备及系统" 的中国 专利申请，其全部内容通过引用结合在本申请中。
技术领域 本发明涉及通信技术领域，具体涉及一种网络接入方法、 设备及系统。 背 景技术
随着移动通信技术的发展，用户可以通过多种方式接入广域网（Wide Area Network , WAN ) ,例如，移动无线互联（ Wireless Fidelity , WiFi )设备上的 WAN 端口可以包括以太网（Ethernet )端口、 WiFi站点（ Station , STA 3G/4G (第 三代 /第四代移动通信技术）端口 ，用户可以通过这三种中的任一种接入 WAN。 但是，当用户使用 3G/4G端口进行数据传输时，会给运营商的网络造成较大负 担，且会造成资费偏高的问题。与运营商网络不同，局域网（Local Area Network , LAN )通常利用 WiFi网络接入有线网络，如接入光纤网，WiFi网络具有高性能、 资费低等特点。 因此，可以统一协调两种网络资源，在进入某个 WiFi网络覆盖 后能自动切换成通过 WiFi热点接入 WiFi网络，并通过 WiFi网络接入互联网， 而只有当附近没有 WiFi热点时才切换回 3G/4G网络。
目前移动 WiFi设备大多数采用单 WiFi芯片方案来实现 WiFi上行与下行功 能，并且采用信道跟随策略，当 WiFi上行连接到一个新运营商接入点（Access Point , AP )后，移动 WiFi设备中的 AP也会跟随 WiFi上行的信道而切换自身 信道，即上行和下行保持同一工作信道，从而导致移动 WiFi设备在切换信道过 程中，与其连接的 PC (计算机）等 STA的业务会中断一段时间。 发明内容
本发明实施例公开了一种网络接入方法、 设备及系统，能够避免移动无线 互联设备在切换信道时出现业务中断。
第一方面，提供一种网络接入方法，所述方法包括：
移动无线互联设备检测所述移动无线互联设备和站点之间的第一信道是否 与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰；
若存在干扰，所述移动无线互联设备降低自身的发射功率，使得所述第一 信道和所述第二信道不存，从而使所述站点通过所述移动无线互联设备和所述 热点接入设备接入互联网。
在第一方面的第一种可能的实现方式中，所述移动无线互联设备降低自身 的发射功率，使得所述第一信道和所述第二信道不存在干扰包括：
所述移动无线互联设备逐级降低自身的发射功率，并在每次降低自身的发 射功率后检测所述第一信道和所述第二信道是否存在干扰，直到使所述第一信 道和所述第二信道不存在干扰；或者，
所述移动无线互联设备按照预先的设定值，将自身的发射功率降低所述设 定值，使得所述第一信道和所述第二信道不存在干扰。
结合第一方面或第一方面的第一可能的实现方式，在第二种可能的实现方 式中，所述移动无线互联设备检测所述移动无线互联设备和站点之间的第一信 道是否与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰包 括：
所述移动无线互联设备检测所述第一信道与所述第二信道之间的信号强度 与干扰加噪声比是否小于或等于或小于等于预设阈值；
若是，则所述移动无线互联设备确定所述第一信道与所述第二信道存在干 扰。
结合第一方面或上述任一种可能的实现方式，在第三种可能的实现方式中， 在所述移动无线互联设备降低自身的发射功率之前或之后，若所述第一信道和 所述第二信道不存在干扰，包括：
当所述站点和所述热点接入设备的工作频段相同时，则所述移动无线互联 设备采用分时复用的方式维护同频双信道工作，以使所述站点通过所述移动无 线互联设备和所述热点接入设备接入互联网；
当所述站点和所述热点接入设备的工作频段不同时，则所述移动无线互联 设备采用分时复用的方式维护异频双信道工作，以使所述站点通过所述移动无 线互联设备和所述热点接入设备接入互联网。
结合第一方面或上述任一种可能的实现方式，在第四种可能的实现方式中， 所述移动无线互联设备检测所述移动无线互联设备和站点之间的第一信道是否 与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰之前，还包 括：
所述移动无线互联设备与所述站点通过所述第一信道建立连接，并与所述 热点接入设备通过所述第二信道建立连接。
结合第一方面或上述任一种可能的实现方式，在第五种可能的实现方式中， 所述移动无线互联设备降低自身的发射功率后，若所述第一信道和所述第二信 道仍存在干扰，所述方法还包括：
所述移动无线互联设备重新切换所述移动无线互联设备与所述站点之间的 第一信道 o
第二方面，提供一种移动无线互联设备，所述设备包括检测模块和接入模 块；其中：
所述检测模块，用于检测所述移动无线互联设备和站点之间的第一信道是 否与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰；
所述接入模块，用于在所述检测模块检测所述第一信道与所述第二信道存 在干扰时，降低所述移动无线互联设备自身的发射功率，使得所述第一信道和 第二信道不存在干扰，从而使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网。
在第二方面的第一种可能的实现方式中，所述接入模块包括：
第一单元，用于逐级降低所述移动无线互联设备的发射功率，并在每次降 低所述移动无线互联设备的发射功率后通知所述检测模块检测所述第一信道和 所述第二信道是否存在干扰，直到使所述第一信道和所述第二信道不存在干扰； 或者，按照预先的设定值，将所述移动无线互联设备自身的发射功率降低所述 设定值，使得所述第一信道和所述第二信道不存在干扰。
结合第二方面或上述任一种可能的实现方式，在第二种可能的实现方式中， 所述检测模块包括：
第一子模块，用于检测所述第一信道与所述第二信道之间的信号强度与干 扰加噪声比是否小于或等于或小于等于预设阈值；
第二子模块，用于在所述第一子模块的检测结果为大于所述预设阈值时， 确定所述第一信道与所述第二信道存在干扰。
结合第二方面或上述第二方面的任一种可能的实现方式，在第三种可能的 实现方式中，所述接入模块包括：
第二单元，用于在所述接入模块降低所述移动无线互联设备自身的发射功 率之前或之后，当所述检测模块检测到所述第一信道和所述第二信道不存在干 扰，且所述站点和所述热点接入设备的工作频段相同时，则采用分时复用的方 式维护同频双信道工作，以使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网；
第三单元，用于在所述接入模块降低所述移动无线互联设备自身的发射功 率之前或之后，当所述检测模块检测到所述第一信道和所述第二信道不存在干 扰，且所述站点和所述热点接入设备的工作频段不同时，则采用分时复用的方 式维护异频双信道工作，以使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网。
结合第二方面或上述第二方面的任一种可能的实现方式，在第四种可能的 实现方式中，所述设备还包括：
连接模块，用于与所述站点通过第一信道建立连接，并与所述热点接入设 备通过第二信道建立连接。
结合第二方面或上述第二方面的任一种可能的实现方式，在第五种可能的 实现方式中，所述设备还包括：
信道切换模块，用于在所述接入模块降低所述移动无线互联设备自身的发 射功率后，若所述第一信道和所述第二信道仍存在干扰，则重新切换所述移动 无线互联设备与所述站点之间的第一信道。
第三方面，提供一种网络接入系统，包括热点接入设备、 站点及上述第二 方面的移动无线互联设备。 本发明实施例中，移动无线互联设备可检测移动无线互联设备和站点之间 的第一信道是否与移动无线互联设备和热点接入设备之间的第二信道存在干 扰，在检测到存在干扰时，移动无线互联设备可降低自身的发射功率，使得所 述第一信道和第二信道不存在干扰，从而使所述站点通过所述移动无线互联设 备和所述热点接入设备接入互联网。 通过本发明实施例，移动无线互联设备可 在检测到自身工作信道不满足通信要求时，通过降低自身的发射功率而使得
STA通过移动 WiFi设备和热点接入设备接入互联网，以避免切换信道而导致网 络中断，进而提升用户体验。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施 例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是 本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的 前提下，还可以根据这些附图获得其他的附图。
图 1是本发明实施例提供的移动 WiFi设备的端口示意图；
图 2是本发明实施例提供的移动 WiFi设备与 STA及运营商 AP交互的示意图； 图 3是本发明实施例提供的一种网络接入方法的流程图；
图 4是本发明实施例提供的另一种网络接入方法的流程图；
图 5是本发明实施例提供的一种移动 WiFi设备的结构示意图；
图 6是本发明实施例提供的另一种移动 WiFi设备的结构示意图；
图 7是本发明实施例提供的另一种移动 WiFi设备的结构示意图。 具体实施方式 下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清 楚、 完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是 全部的实施例。 基于本发明中的实施例，本领域普通技术人员在没有做出创造 性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例公开了一种网络接入方法、 设备及系统，能够避免移动无线 互联设备在切换信道时出现业务中断。 以下分别进行详细说明，其中，该移动 无线互联设备为移动 WiFi设备。
本发明实施例中的移动 WiFi设备可以命名为 E5 ,参见图 1 ,为 E5 的端口示 意图，E5 可以包括 WAN端口禾口 LAN端口 ， WAN端口包括以太网（ Ethernet ) 端口、 WiFi STA端口和蜂窝无线通信网络端口 ，具体以 3G/4G端口为例进行说 明， LAN端口包括通用串行总线（ Universal Serial Bus , USB )端口和 WiFi AP 端口。 WAN端口可以使得移动 WiFi设备作为一个有互联网接入需求的设备接入 其他接入点之中。 LAN端口则可以使得移动 WiFi设备作为一个服务节点，为有 互联网接入需求的其他设备服务。
E5 可以工作在如下场景下：
场景一： E5 通过 USB 端口或者 WiFi AP端口 ，为用户提供 LAN业务，如 WebNAS 文件共享，Samba ,数字生活网络联盟（ Digital Living Network Alliance , DLNA )流媒体播放和录制等；
场景二 ： E5 为通过 USB 端口连接的用户提供 WAN 业务 ， 可以通过 Ethernet , WiFi STA , 3G/4G等 WAN端口 ，访问 Internet ,上网冲浪等。
场景三：结合场景一和场景二，为用户并发提供上述 WAN业务和 LAN 业 务。
参见图 2 ,在场景三下，数据流量可以分流到 WiFi网络，当数据流量分流到 WiFi网络后， E5 可以首先作为 WiFi AP接收外部 PC/IPAD 的数据，然后 E5 再 作为 WiFi STA将这些数据发送给运营商 AP ；同样，来自运营商 AP的数据也 可以通过 E5 发送给 PC/IPAD。 此时， E5 的 3G/4G端口就可以不工作，減少运 营商数据网络的带宽压力。 请参阅图 3 ,图 3示出了本发明实施例提供的一种网络接入方法的流程图。 如图 3所示，该网络接入方法可以包括以下步骤。
5301：移动 WiFi设备检测移动 WiFi设备和 STA之间的第一信道是否与移动 WiFi设备和热点接入设备之间的第二信道存在干扰；
具体地，移动 WiFi设备选择初始工作信道（即第一信道）正常运行， STA (例如， PC、 智能手机等）通过第一信道接入到移动 WiFi设备，移动 WiFi设备 再扫描发现第三方可用的热点接入设备（例如， WiFi AP ) ,并通过第二信道连 接该热点接入设备，以在该热点接入设备上入网成功；然后移动 WiFi设备检测 第一信道是否与第二信道存在干扰，即第一信道与第二信道之间的信号强度与 干扰加噪声比值（SINR )是否小于或等于或小于等于预设阈值，若 SINR小于或 等于预设阈值，则移动 WiFi设备可确定第一信道与第二信道不存在干扰，若 SINR 大于预设阈值，则移动 WiFi设备可确定第一信道与第二信道存在干扰；例如， 该预设阈值为 1 ,若 SINR小于或等于 1 ,例如，有效信号为 -50db ,干扰加噪声为 -70db ,则移动 WiFi设备可确定第一信道与第二信道不存在干扰，若 SINR大于 1 , 例如，有效信号为 -70db ,干扰加噪声为 -50db ,则移动 WiFi设备可确定第一信道 与第二信道存在干扰。
5302：若存在干扰，移动 WiFi设备降低自身的发射功率，使得所述第一信 道和第二信道不存在干扰，从而使 STA通过移动 WiFi设备和热点接入设备接入互 联网；
具体地，当在步骤 S301中的检测结果表明第一信道和第二信道存在干扰， 则移动 WiFi设备可降低自身的发射功率，由于移动 WiFi设备降低自身的发射功 率可使得第一信道与第二信道之间的 SINR值变小，因此当移动 WiFi设备通过降 低其自身的发射功率使得第一信道与第二信道不存在干扰后， STA可通过移动 WiFi设备和热点接入设备接入互联网，从而可避免移动 WiFi设备切换下行信道 而导致网络中断一段时间。 移动 WiFi设备可采用分时复用的方式维持第一信道 和第二信道，以使 STA通过移动 WiFi设备和热点接入设备接入互联网。 当 STA和 热点接入设备的工作频段相同时，例如，均工作在 2.4GHz ,则移动 WiFi设备采 用分时复用的方式维护同频双信道或是同频同信道工作，以使 STA通过移动 WiFi 设备和热点接入设备接入互联网；当 STA和热点接入设备的工作频段不相同时， 例如， STA工作在 2.4GHz ,而热点接入设备工作在 5GHz时，则移动 WiFi设备采 用分时复用的方式维护异频双信道工作，以使 STA通过移动 WiFi设备和热点接入 设备接入互联网。 移动 WiFi设备维持第一信道和第二信道的分时复用的分时间 隔可根据业务需要进行配置，例如，移动 WiFi设备以更长的时间维持与 STA的第 一信道的通信。 此外，移动 WiFi设备可逐级降低自身的发射功率，并在每次降 低自身的发射功率后检测第一信道和第二信道是否存在干扰，直到使第一信道 和第二信道不存在干扰；或者，移动 WiFi设备可按照预先的设定值，将自身的 发射功率降低所述预设值，使得第一信道和所述第二信道不存在干扰。
在图 3提供的网络接入方法中，移动 WiFi设备可在检测到自身工作信道不满 足通信要求时，通过降低自身的发射功率而维持双信道使得 STA通过移动 WiFi 设备和热点接入设备接入互联网，从而可避免网络连接中断，进而提升用户体 验。
请参阅图 4 ,图 4示出了本发明实施例提供的另一种网络接入方法的流程图。 如图 4所示，该网络方法可以包括以下步骤。
5401：移动 WiFi设备与 STA通过第一信道建立连接，并与热点接入设备通过 第二信道建立连接；
具体地，当移动 WiFi设备进入某热点接入设备（例如， WiFi AP )的覆盖范 围内时， STA可利用移动 WiFi设备通过 WiFi网络接入互联网，这时候移动 WiFi 设备与 STA通过第一信道建立连接，然后 WiFi设备与热点接入设备通过第二信道 建立连接。
5402：移动 WiFi设备检测第一信道是否与第二信道存在干扰； 具体地，移动 WiFi设备可检测第一信道与第二信道之间的信号强度与干扰 加噪声 SINR是否小于或等于或小于等于预设阈值，若 SINR小于或等于预设阈 值，则移动 WiFi设备可确定第一信道与第二信道不存在干扰，若 SINR大于预设 阈值，则移动 WiFi设备可确定第一信道与第二信道存在干扰；可选地，该预设 阈值为 1 ,若 SINR小于或等于 1 ,例如，有效信号为 -50db ,干扰加噪声为 -70db , 则移动 WiFi设备可确定第一信道与第二信道不存在干扰，若 SINR大于 1 ,例如， 有效信号为 -70db ,干扰加噪声为 -50db ,则移动 WiFi设备可确定第一信道与第二 信道存在干扰。 若检测到存在干扰，则本流程转至步骤 S403 ,若检测到不存在 干扰，则本流程转至步骤 S405。
5403：移动 WiFi设备降低自身的发射功率；
具体地，降低发射功率的程度可依据移动 WiFi设备、 STA和热点接入设备的 具体条件而定，降低发射功率的目的在于降低移动 WiFi设备的 SINR ,使 SINR小 于等于阈值，从而使得第一信道与第二信道不存在干扰。
其中，所述移动无线互联设备可以逐级降低自身的发射功率，并在每次降 低自身的发射功率后检测所述第一信道和所述第二信道是否存在干扰，直到使 所述第一信道和所述第二信道不存在干扰。
可选的，所述移动无线互联设备还可以按照预先的设定值，将自身的发射 功率降低所述设定值，使得所述第一信道和所述第二信道不存在干扰。
5404：移动 WiFi设备检测第一信道是否与第二信道存在干扰。
具体地，移动 WiFi设备再次检测第一信道是否与第二信道存在干扰的步骤 同 S402。 若检测到已经不存在干扰，则本流程转至步骤 S405；若检测到仍存在 干扰，则本流程转至步骤 S406。
5405：移动 WiFi设备使 STA通过移动 WiFi设备和热点接入设备接入互联网； 具体地，移动 WiFi设备可采用分时复用的方式维持第一信道和第二信道， 以使 STA通过移动 WiFi设备和热点接入设备接入互联网。 当 STA和热点接入设备 的工作频段相同时，例如， ±勾工作在 2.4GHz ,则移动 WiFi设备采用分时复用的 方式维护同频双信道工作，以使 STA通过移动 WiFi设备和热点接入设备接入互联 网；当 STA和热点接入设备的工作频段不相同时，例如， STA工作在 2.4GHz ,而 热点接入设备工作在 5GHz时，则移动 WiFi设备采用分时复用的方式维护异频双 信道工作，以使 STA通过移动 WiFi设备和热点接入设备接入互联网。 此外，移动 WiFi设备维持第一信道和第二信道的分时复用的分时间隔可根据业务需要进行 配置，例如，移动 WiFi设备以更长的时间维持与 STA的第一信道的通信。
S406：移动 WiFi设备与 STA重新切换第一信道；
具体地，由于移动 WiFi设备在降低其自身的发射功率后，仍然不能使其工 作信道满足通信要求，即第一信道与第二信道仍然存在干扰，这时候 WiFi设备 可使 STA发起与移动 WiFi设备的重新连接，从而使 WiFi设备重新切换第一信道， 移动 WiFi设备可再执行检测第一信道是否与第二信道存在干扰的步骤 S402 ,进 而使 STA再次尝试通过移动 WiFi设备及热点接入设备接入互联网。
需要说明的是，尽管在本实施方式中，在移动 WiFi设备与 STA重新切换第一 信道之前，移动 WiFi设备降低发射功率的次数仅为 1次，但是在不超过移动 WiFi 设备连接 STA及热点接入设备的总的时间限定（例如， 3S )的情况下，移动 WiFi 设备还可以采取多次降低其发射功率的方法，以使第一信道与第二信道之间的 SINR满足通信要求。
在图 4提供的双信道接入方法中，移动 WiFi设备可在检测到自身工作信道不 满足通信要求时，通过降低自身的发射功率而使得 STA通过移动 WiFi设备和热点 接入设备接入互联网，以避免切换信道而导致网络中断，进而提升用户体验。 请参阅图 5 ,图 5示出了本发明实施例提供的一种移动 WiFi设备的结构示意 图。如图 1所示，该移动 WiFi设备 50可以包括检测模块 501和接入模块 502 ,其中： 检测模块 501 ,用于检测移动 WiFi设备 50和 STA之间的第一信道是否与移动 WiFi设备 50和热点接入设备之间的第二信道存在干扰。 具体地，检测模块 501可 通过检测第一信道与第二信道之间的 SINR来确定第一信道是否与第二信道存在 干扰，若 SINR小于或等于或小于等于预设阈值，则可确定第一信道与第二信道 不存在干扰，若 SINR大于预设阈值，则可确定第一信道与第二信道存在干扰； 可选地，该预设阈值为 1 ,若 SINR小于或等于 1 ,例如，有效信号为 -50db ,干扰 加噪声为 -70db ,则可确定第一信道与第二信道不存在干扰，若 SINR大于 1 ,例 如，有效信号为 -70db ,干扰加噪声为 -50db ,则可确定第一信道与第二信道存在 干扰。
接入模块 502 ,用于在检测模块 501的检测结果为存在干扰时，降低移动 WiFi 设备 50自身的发射功率，使得第一信道和第二信道不存在干扰，从而使 STA通过 移动 WiFi设备 50和热点接入设备接入互联网。 WiFi设备 50可采用分时复用的方 式维持第一信道和第二信道，以使 STA通过移动 WiFi设备 50和热点接入设备接入 互联网。
其中，图 5提供的移动 WiFi设备可在检测到自身工作信道不满足通信要求 时，通过降低自身的发射功率而使得 STA通过移动 WiFi设备和热点接入设备接入 互联网，从而可避免网络连接中断，进而提升用户体验。 请参阅图 6 ,图 6示出了本发明实施例提供的另一移动 WiFi设备的结构示意 图。 其中，图 6所示的移动 WiFi设备是由图 5所示的移动 WiFi设备进行优化得到 的。 在图 6所示的移动 WiFi设备 50中，检测模块 501具体包括第一子模块 5011和 第二子模块 5012 ,接入模块 502具体包括第一单元 5021、 第二单元 5022和第三单 元 5023 ,并且图 6所示的移动 WiFi设备 50进一步包括了连接模块 503和信道切换 模块 504 ,其中：
第一子模块 5011 ,用于检测第一信道与第二信道之间的信号强度与干扰加 噪声比 SINR是否小于或等于或小于等于预设阈值；例如，该预设阈值为 1。 第二子模块 5012 ,用于在第一子模块 5011的检测结果为大于预设阈值时， 确定第一信道与第二信道存在干扰；或者，在第一子模块 5011的检测结果为小 于或等于或小于等于预设阈值时，确定第一信道与第二信道不存在干扰。
进一步， 第一单元 5021用于逐级降低移动 WiFi设备 50的发射功率，并在每 次降低移动 WiFi设备 50的发射功率后通知所述检测模块 501检测第一信道和第 二信道是否存在干扰，直到使第一信道和第二信道不存在干扰；或者，按照预 先的设定值，将移动 WiFi设备 50的发射功率減低所述预设值，使得第一信道和 第二信道不存在干扰。
第二单元 5022 ,用于在接入模块 502降低移动 WiFi设备 50的发射功率之前或 之后，当检测模块 501的检测结果为第一信道和第二信道不存在干扰后，且 STA 和热点接入设备的工作频段相同时，例如， ±勾工作在 2.4GHz ,则采用分时复用 的方式维护同频双信道或是同频同信道工作，以使 STA通过移动 WiFi设备 50和热 点接入设备接入互联网；
第三单元 5023 ,用于在接入模块 502降低移动 WiFi设备 50的发射功率之前或 之后，当检测模块 501的检测结果为第一信道和第二信道不存在干扰后，当 STA 和热点接入设备的工作频段不相同时，例如， STA工作在 2.4GHz ,而热点接入 设备工作在 5GHz时，则采用分时复用的方式维护异频双信道工作，以使 STA通 过移动 WiFi设备 50和热点接入设备接入互联网。 此外，移动 WiFi设备 50维持第 一信道和第二信道的分时复用的分时间隔可根据需要进行配置，例如，移动 WiFi 设备 50以更长的时间维持与 STA的第一信道的通信。
进一步，图 6所示的移动 WiFi设备 50还包括了连接模块 503和信道切换模块 504 ,其中：
连接模块 503 ,用于与 STA通过第一信道建立连接，并与热点接入设备通过 第二信道建立连接。
信道切换模块 504 ,用于在接入模块 502降低移动 WiFi设备 50的发射功率之 后，若第一信道和第二信道仍存在干扰，则重新切换移动 WiFi设备 50与 STA之间 的第一信道，从而使 STA再次尝试通过移动 WiFi设备 50及热点接入设备接入互联 网。
其中，图 6提供的移动 WiFi设备可使移动 WiFi设备在检测到自身工作信道不 满足通信要求时，通过降低自身的发射功率而使得 STA通过移动 WiFi设备和热点 接入设备接入互联网，以避免切换信道而导致网络中断，进而提升用户体验。 请参阅图 7 ,图 7是本发明实施例公开的另一种移动 WiFi设备的结构图，用 于执行本发明实施例公开的双信道接入方法。 如图 7所示移动 WiFi设备 70包括： 至少一个处理器 701 ,例如 CPU ,至少一个网络接口 704或者其他用户接口 703 , 存储器 705 ,至少一个通信总线 702。 通信总线 702用于实现这些组件之间的连接 通信。 其中，用户接口703可选的可以包括 USB接口以及其他标准接口、 有线接 口。 网络端口704可选的可以包括以太网端口、 WiFi STA端口、 WiFi AP端口和 蜂窝无线通信网络端口以及其他无线接口。 存储器 705可能包含高速 RAM存储 器，也可能还包括非不稳定的存储器（ non-volatile memory ) ,例如至少一个磁盘 存储器。 存储器 705可选的可以包含至少一个位于远离前述处理器 701的存储装 置。
在一些实施方式中，存储器 705存储了如下的元素，可执行模块或者数据结 构，或者他们的子集，或者他们的扩展集：
操作系统 7051 ,包含各种系统程序，用于实现各种基础业务以及处理基于 硬件的任务；
应用模块 7052 ,包含设备控制服务程序、 设备识别服务程序等各种应用程 序，用于实现各种应用业务。
具体地，处理器 701用于调用存储器 705中存储的程序，执行以下操作： 检测移动 WiFi设备 70和 STA (例如 ， PC/IPAD)之间的第一信道是否与移动 WiFi设备 70和热点接入设备（例如， WiFi AP )之间的第二信道存在干扰； 若存在干扰，降低移动 WiFi设备 70的发射功率，使得第一信道和第二信道 不存在干扰，从而使 STA通过移动 WiFi设备 70和热点接入设备接入互联网。
一个实施例中，处理器 701降低移动 WiFi设备 70的发射功率以使得第一信道 和第二信道不存在干扰的具体方式为：处理器 701逐级降低移动 WiFi设备 70的发 射功率，并在每次降低移动 WiFi设备 70的发射功率后检测第一信道和第二信道 是否存在干扰，直到使第一信道和第二信道不存在干扰。
一个实施例中，处理器 701降低移动 WiFi设备 70的发射功率以使得第一信道 和第二信道不存在干扰的具体方式为：处理器 701按照预先的设定值，将移动 WiFi设备 70的发射功率降低所述预设值，使得第一信道和第二信道不存在干扰。
一个实施例中，处理器 701检测第一信道是否与第二信道存在干扰的具体方 式为：处理器 701检测第一信道与第二信道之间的 SINR是否小于或等于或小于等 于预设阈值（例如， 1 ) ;若是，则确定第一信道与第二信道不存在干扰；若否， 则确定第一信道与第二信道存在干扰。
一个实施例中，处理器 701在降低移动 WiFi设备 70的发射功率之前或之后， 当处理器 701检测到第一信道和第二信道不存在干扰时后，处理器 701使 STA通过 移动 WiFi设备 70和热点接入设备接入互联网的方式为：处理器 701可采用分时复 用的方式维持第一信道和第二信道，以使 STA通过移动 WiFi设备 70和热点接入设 备接入互联网。 具体地，当 STA和热点接入设备的工作频段相同时，例如，均工 作在 2.4GHz ,则移动 WiFi设备 70采用分时复用的方式维护同频双信道或是同频 同信道工作，以使 STA通过移动 WiFi设备 70和热点接入设备接入互联网；当 STA 和热点接入设备的工作频段不相同时，例如， STA工作在 2.4GHz ,而热点接入 设备工作在 5GHz时，则移动 WiFi设备 70采用分时复用的方式维护异频双信道工 作，以使 STA通过移动 WiFi设备 70和热点接入设备接入互联网。 此外，移动 WiFi 设备 70维持第一信道和第二信道的分时复用的分时间隔可根据需要进行配置， 例如，移动 WiFi设备 70以更长的时间维持与 STA的第一信道的通信。
可选地，处理器 701还用于与 STA通过第一信道建立连接，并与热点接入设 备通过第二信道建立连接。
可选地，处理器 701还用于在处理器 701降低移动 WiFi设备 50的发射功率后， 若第一信道和第二信道仍存在干扰，则重新切换移动 WiFi设备 70与 STA之间的第 一信道，从而使 STA再次尝试通过移动 WiFi设备 70及热点接入设备接入互联网。
其中，图 7提供的移动 WiFi设备可在检测到自身工作信道不满足通信要求 时，通过降低自身的发射功率而使得 STA通过移动 WiFi设备和热点接入设备接入 互联网，以避免切换信道而导致网络中断，进而提升用户体验。 如图 2所示，本发明实施例还提供了一种网络接入系统，该网络接入系统包 括移动 WiFi设备（即 E5 运营商 AP (例如，WiFi AP ) ffiSTA(^!^[] , PC/IPAD ) ; 其中，移动 WiFi设备可以为图 5或图 6所示的移动 WiFi设备 50 ,也可以为图 7所示 的移动 WiFi设备 70 ,其结构及功能可参考以上对图 5、 图 6和图 7的描述，故在此 不再赘述。
其中，图 2提供的网络接入系统可在检测到自身工作信道不满足通信要求 时，通过降低自身的发射功率而使得 STA通过移动 WiFi设备和热点接入设备接入 互联网，以避免切换信道而导致网络中断，进而提升用户体验。 本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤 是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存 储介质中，存储介质可以包括：闪存盘、只读存储 IK Read-Only Memory ^OM \ P逭机存取器（ Random Access Memory , RAM >. 磁盘或光盘等。
以上对本发明实施例所提供的网络接入方法、 移动 WiFi设备进行了详细介 绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述， 以上实施 例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的 一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变 之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims

权 利 要 求 书
1、 一种网络接入方法，其特征在于，所述方法包括：
移动无线互联设备检测所述移动无线互联设备和站点之间的第一信道是否 与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰；
若存在干扰，所述移动无线互联设备降低自身的发射功率，使得所述第一 信道和所述第二信道不存在干扰，从而使所述站点通过所述移动无线互联设备 和所述热点接入设备接入互联网。
2、 根据权利要求 1所述的网络接入方法，其特征在于，所述移动无线互联 设备降低自身的发射功率，使得所述第一信道和所述第二信道不存在干扰包括： 所述移动无线互联设备逐级降低自身的发射功率，并在每次降低自身的发 射功率后检测所述第一信道和所述第二信道是否存在干扰，直到使所述第一信 道和所述第二信道不存在干扰；或者，
所述移动无线互联设备按照预先的设定值，将自身的发射功率降低所述设 定值，使得所述第一信道和所述第二信道不存在干扰。
3、 根据权利要求 1或 2所述的网络接入方法，其特征在于，所述移动无线互 联设备检测所述移动无线互联设备和站点之间的第一信道是否与所述移动无线 互联设备和热点接入设备之间的第二信道存在干扰包括：
所述移动无线互联设备检测所述第一信道与所述第二信道之间的信号强度 与干扰加噪声比是否小于或等于或小于等于预设阈值；
若是，则所述移动无线互联设备确定所述第一信道与所述第二信道存在干 扰。
4、 根据权利要求 1~3中任一项所述的网络接入方法，其特征在于，在所述 移动无线互联设备降低自身的发射功率之前或之后，若所述第一信道和所述第 二信道不存在干扰，包括：
当所述站点和所述热点接入设备的工作频段相同时，则所述移动无线互联 设备采用分时复用的方式维护同频双信道工作，以使所述站点通过所述移动无 线互联设备和所述热点接入设备接入互联网；
当所述站点和所述热点接入设备的工作频段不同时，则所述移动无线互联 设备采用分时复用的方式维护异频双信道工作，以使所述站点通过所述移动无 线互联设备和所述热点接入设备接入互联网。
5、 根据权利要求 1~4中任一项所述的网络接入方法，其特征在于，所述移 动无线互联设备检测所述移动无线互联设备和站点之间的第一信道是否与所述 移动无线互联设备和热点接入设备之间的第二信道存在干扰之前，还包括： 所述移动无线互联设备与所述站点通过所述第一信道建立连接，与所述热 点接入设备通过所述第二信道建立连接。
6、 根据权利要求 1~5任一项所述的网络接入方法，其特征在于，所述移动 无线互联设备降低自身的发射功率后，若所述第一信道和所述第二信道仍存在 干扰，所述方法还包括：
所述移动无线互联设备重新切换所述移动无线互联设备与所述站点之间的 第一信道
7、 一种移动无线互联设备，其特征在于，所述设备包括检测模块和接入模 块；其中：
所述检测模块，用于检测所述移动无线互联设备和站点之间的第一信道是 否与所述移动无线互联设备和热点接入设备之间的第二信道存在干扰；
所述接入模块，用于在所述检测模块检测所述第一信道与所述第二信道存 在干扰时，降低所述移动无线互联设备自身的发射功率，使得所述第一信道和 第二信道不存在干扰，从而使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网。
8、 根据权利要求 7所述的移动无线互联设备，其特征在于，所述接入模块 包括： 第一单元，用于逐级降低所述移动无线互联设备的发射功率，并在每次降 低所述移动无线互联设备的发射功率后通知所述检测模块检测所述第一信道和 所述第二信道是否存在干扰，直到使所述第一信道和所述第二信道不存在干扰； 或者，按照预先的设定值，将所述移动无线互联设备自身的发射功率降低所述 设定值，使得所述第一信道和所述第二信道不存在干扰。
9、 根据权利要求 7或 8所述的移动无线互联设备，其特征在于，所述检测模 块包括：
第一子模块，用于检测所述第一信道与所述第二信道之间的信号强度与干 扰加噪声比是否小于或等于或小于等于预设阈值；
第二子模块，用于在所述第一子模块的检测结果为大于所述预设阈值时， 确定所述第一信道与所述第二信道存在干扰。
10、 根据权利要求 7~9中任一项所述的移动无线互联设备，其特征在于，所 述接入模块包括：
第二单元，用于在所述接入模块降低所述移动无线互联设备自身的发射功 率之前或之后，当所述检测模块检测到所述第一信道和所述第二信道不存在干 扰，且所述站点和所述热点接入设备的工作频段相同时，则采用分时复用的方 式维护同频双信道工作，以使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网；
第三单元，用于在所述接入模块降低所述移动无线互联设备自身的发射功 率之前或之后，当所述检测模块检测到所述第一信道和所述第二信道不存在干 扰，且所述站点和所述热点接入设备的工作频段不同时，则采用分时复用的方 式维护异频双信道工作，以使所述站点通过所述移动无线互联设备和所述热点 接入设备接入互联网。
11、 根据权利要求 7~10中任一项所述的移动无线互联设备，其特征在于， 所述设备还包括： 连接模块，用于与所述站点通过第一信道建立连接，并与所述热点接入设 备通过第二信道建立连接。
12、 根据权利要求 7~11中任一项所述的移动无线互联设备，其特征在于， 所述设备还包括：
信道切换模块，用于在所述接入模块降低所述移动无线互联设备自身的发 射功率后，若所述第一信道和所述第二信道仍存在干扰，则重新切换所述移动 无线互联设备与所述站点之间的第一信道。
13、 一种网络接入系统，其特征在于，包括热点接入设备、 站点及如权利 要求 7~12中任一项所述的移动无线互联设备。
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