WO2017114326A1 - Network access method and andsf device - Google Patents

Network access method and andsf device Download PDF

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Publication number
WO2017114326A1
WO2017114326A1 PCT/CN2016/111937 CN2016111937W WO2017114326A1 WO 2017114326 A1 WO2017114326 A1 WO 2017114326A1 CN 2016111937 W CN2016111937 W CN 2016111937W WO 2017114326 A1 WO2017114326 A1 WO 2017114326A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
access
signal state
network
location information
Prior art date
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PCT/CN2016/111937
Other languages
French (fr)
Chinese (zh)
Inventor
王桃辉
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华为技术有限公司
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Publication of WO2017114326A1 publication Critical patent/WO2017114326A1/en

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    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication

Definitions

  • the present invention relates to the field of mobile communications technologies, and in particular, to a network access method and an ANDSF device.
  • the terminal When there are multiple radio access networks in the area where the mobile terminal (also called user equipment) is located, for example, a 3rd Generation Partner Program (3GPP) access network, a wireless local area network (WLAN) Worldwide Interoperability for Microwave Access (WiMAX), the terminal can be accessed by manually selecting an appropriate access network, and can also be accessed and selected through the access network provided by the network side (Access Network Discovery and Selection) Function, ANDSF) to automatically select the access network, this function is specifically provided by the ANDSF device on the network side.
  • 3GPP 3rd Generation Partner Program
  • WiMAX Worldwide Interoperability for Microwave Access
  • the prior art provides a method for implementing a terminal access network based on an ANDSF. After accessing the network, the terminal acquires an access policy to the ANDSF device, and the ANDSF device sends the corresponding access policy to the terminal according to the current location information of the terminal.
  • the access policy includes the coverage of the access network and the access mode corresponding to the coverage, and the terminal determines, according to its location and the coverage of the access network, the access mode that meets the requirements, and according to the The determined access method accesses the network and uses the services provided by the network.
  • the coverage of the access network is easily interfered by the surrounding obstacles, radios, etc., the coverage of the network is not always consistent with the coverage of the network carried in the access policy.
  • the existing access method will result in the terminal connection. Into a network with a poor network.
  • the embodiment of the invention provides a method, device and system for determining, by a network side device, a network accessed by a terminal according to network coverage of a current location of the terminal.
  • an embodiment of the present invention provides a method for accessing a network, which is applied to an ANDSF device, and the method mainly includes:
  • the generating the access policy according to the signal state and the location information of the mobile terminal includes:
  • Generating an access policy for the user corresponding to the mobile terminal where the access policy carries the priority of the determined access mode or access mode.
  • the foregoing method for generating an access policy may be directed to individual users, that is, the access policy is independently adjusted for each user.
  • the generating the access policy according to the signal state and the location information of the mobile terminal includes:
  • the access policy carries the coverage of the access network.
  • the above generated access policy can be applied to all users in the coverage of the access network, and the coverage is wider. Compared with the fixed network coverage in the prior art, the embodiment of the present invention can accurately obtain the actual coverage of the network, thereby providing an efficient access policy for the user.
  • the generating the access policy according to the signal state and the location information of the mobile terminal includes:
  • An access policy is generated for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
  • the QoS information of the user or the QoS information of the service subscribed by the user is combined, and the user's access policy can be adjusted according to the QoS information of the specific user more accurately, and the targeting is better.
  • the first possible implementation of the first aspect, the second possible implementation of the first aspect, the third possible implementation of the first aspect, in the fourth possible implementation Determining, according to the signal state and the location information of the mobile terminal, the coverage of the access network includes:
  • the coverage of the access network is determined according to the signal state and the location information of the mobile terminal.
  • an embodiment of the present invention provides a method for accessing a network, which is applied to a mobile terminal, and includes:
  • the signal state reporting condition includes a signal state gate a limit value, when the detected signal state satisfies the reporting condition, reporting, to the ANDSF device, a signal state of the currently accessed network and location information of the mobile terminal includes:
  • the signal status of the currently accessed network and the current location information of the mobile terminal are reported to the ANDSF device.
  • the terminal after receiving the access policy sent by the ANDSF device, the terminal updates the locally saved access policy according to the received access policy.
  • an ANDSF device including:
  • a message sending unit configured to send a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition
  • a message receiving unit configured to receive a signal state of a current access network and location information of the mobile terminal that are sent by the mobile terminal;
  • a policy generating unit configured to generate an access policy according to the signal state and location information of the mobile terminal
  • the message sending unit is further configured to send the access policy to the mobile terminal.
  • the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
  • the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
  • the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
  • an embodiment of the present invention provides an ANDSF device, which includes a memory and a processor, wherein the memory stores executable code, when the processor executes the executable code stored in the memory, ANDSF
  • the apparatus performs the method of accessing a network as described in the first aspect.
  • the signal state reporting condition comprises a signal state threshold.
  • the location information of the terminal may be the latitude and longitude of the terminal.
  • an embodiment of the present invention provides a system for accessing a network, where the system includes a mobile terminal and the ANDSF device as described in the third aspect and the fourth aspect.
  • the system can also include an access point and a base station that provide access to the network.
  • the mobile terminal reports, to the ANDSF device, a signal state of the currently accessed network and location information of the mobile terminal, when the detected signal state meets the reporting condition, and the ANDSF device according to the The signal status and the location information of the mobile terminal generate a new access policy for the user corresponding to the mobile terminal and transmit to the mobile terminal.
  • the ANDSF device generates an access policy according to the fixed network coverage.
  • the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network.
  • the coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
  • FIG. 1 is a schematic diagram of coverage of an access network in a network access system according to an embodiment of the present invention
  • FIG. 2 is a hardware structural diagram of an ANDSF device according to Embodiment 1 of the present invention.
  • FIG. 3 is a flowchart of a method for accessing a network according to Embodiment 2 of the present invention.
  • FIG. 4 is a flowchart of a method for accessing a network according to Embodiment 3 of the present invention.
  • FIG. 5 is a functional block diagram of an ANDSF device according to Embodiment 4 of the present invention.
  • FIG. 1 is a schematic diagram of coverage of an access network in a network access system according to an embodiment of the present invention.
  • the network access system includes an ANDSF device and a mobile terminal MT, and further includes a specific access device that provides an access network, such as an access point (AP), an evolved Base station (E Node B) and base station (Node B).
  • AP access point
  • E Node B evolved Base station
  • Node B base station
  • the solid line part of the figure is the coverage of the 3GPP network, and the dotted line part is the coverage of the WLAN.
  • the mobile terminal (MT) can access the WLAN through the access point, and can also access the 3GPP network through the base station.
  • the 3GPP network may include a Global System for Mobile (GSM) network, a Code Division Multiple Access (CDMA) network, a Universal Mobile Telecommunications System (UMTS) network, and a long-term Long Term Evolution (LTE) network, fifth generation (5G) network, etc.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • UMTS Universal Mobile Telecommunications System
  • LTE long-term Long Term Evolution
  • 5G fifth generation
  • the user can also access two or more access networks at the same time, and use different services in different access networks, for example, the user accesses the WLAN and the 3GPP network at the same time.
  • the ANDSF device is a logically independent device. In actual deployment, it can be deployed independently or in combination with devices in the existing network. For example, policy control and rule functions of the existing 3GPP network (Policy Control and Rule Function, PCRF), Node B is set up, or combined with AP in the WLAN.
  • Policy Control and Rule Function Policy Control and Rule Function, PCRF
  • FIG. 2 is a hardware structural diagram of an ANDSF device according to Embodiment 1 of the present invention.
  • the ANDSF device employs general purpose computer hardware including a processor 201, a memory 202, a bus 203, an input device 204, an output device 205, and a network interface 206.
  • memory 202 can include computer storage media in the form of volatile and/or nonvolatile memory, such as read only memory and/or random access memory.
  • Memory 202 can store operating systems, applications, other program modules, executable code, and program data.
  • Input device 204 can be used to input commands and information to an ANDSF device, such as a keyboard or pointing device such as a mouse, trackball, touch pad, microphone, joystick, game pad, round dish satellite TV antenna, scanner, or Similar equipment. These input devices can be connected to the processor 201 via the bus 203.
  • ANDSF device such as a keyboard or pointing device such as a mouse, trackball, touch pad, microphone, joystick, game pad, round dish satellite TV antenna, scanner, or Similar equipment.
  • the output device 205 can be used for the ANDSF device to output information.
  • the output device 205 can also be configured for other peripheral outputs, such as speakers and/or printing devices, which can also be connected to the processor 201 via the bus 203. .
  • the ANDSF device can be connected to the network through the network interface 206, for example to a Local Area Network (LAN).
  • LAN Local Area Network
  • computer-executed instructions stored in an ANDSF device can be stored in a remote storage device without being limited to local storage.
  • the ANDSF device can perform the method steps on the ANDSF device side in FIGS. 3-4 below, for example, performing steps 301, 304-305, and the like.
  • FIG. 3 is a flowchart of a method for accessing a network according to Embodiment 2 of the present invention.
  • the mobile terminal currently accesses the WLAN and obtains the address of the ANDSF device.
  • the method for accessing a network mainly includes the following steps:
  • Step 301 The ANDSF device sends a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition.
  • the ANDSF device may actively send a notification message carrying the signal status reporting condition to the mobile terminal.
  • the ANDSF device may also send an access policy response message (in the OMA DM packet format) to the mobile terminal after receiving the access policy request message of the terminal.
  • the notification message is specifically an access policy response message, where the access policy response message carries an access policy and a signal status reporting condition.
  • the signal state reporting condition may be that the signal state satisfies a predetermined range of reporting, for example, reporting a signal state when the signal value is less than -100 dbm and reporting the signal state when the signal value is less than -110 dbm.
  • the identifier of the user and the identifier of the mobile terminal may also be carried in the notification message.
  • Step 302 The mobile terminal receives a notification message sent by the ANDSF device, where the notification message carries a signal status reporting condition.
  • Step 303 The mobile terminal detects the signal state of the currently accessed network, and reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device when the detected signal state satisfies the reporting condition. .
  • the mobile terminal after receiving the notification message, the mobile terminal continuously detects the signal state of the currently accessed network, and reports the signal of the currently accessed network to the ANDSF device when the detected signal state satisfies the reporting condition. Status and location information of the mobile terminal. Specifically, the mobile terminal can report the signal status and location information to the ANDSF device through the Open Mobile Architecture Device Management (OMA-DM) data packet.
  • OMA-DM Open Mobile Architecture Device Management
  • the signal state of the network currently accessed by the mobile terminal may be a specific signal value (measured in dbm) or a relative indicator of the signal value. For example signal levels L1, L2 and L3, where the signal level corresponds to a specific range of signal values.
  • the terminal can report to the ANDSF once the signal state reaches L1, report to the ANDSF device once the signal state reaches L2, and report to the ANDSF device once the signal state reaches L3.
  • the location information of the terminal may specifically be the latitude and longitude of the terminal, and the latitude and longitude may be determined by the positioning system of the terminal itself, for example, by a Global Position System (GPS), a Beidou positioning system, and the like.
  • the location information of the terminal may also be a cell ID (Cell ID).
  • the mobile terminal can also detect the signal status of the multiple networks (for example, the 3GPP network and the WLAN) that are currently accessed, and report the signal status and the network identifier of the multiple networks to the ANDSF.
  • the mobile terminal can also detect the signal status of the currently unconnected network, and send the signal status and network identifier of the unconnected network to the ANDSF.
  • the network identifier may be a Service Set Identifier (SSID) of the WLAN, an identifier of the 3GPP network, or a cell identifier.
  • SSID Service Set Identifier
  • Step 304 The ANDSF device receives the signal state of the currently accessed network and the location information of the mobile terminal sent by the mobile terminal.
  • Step 305 The ANDSF device generates an access policy according to the signal state and location information of the mobile terminal, and sends the generated access policy to the mobile terminal.
  • the ANDSF device may determine the access mode or the access mode of the mobile terminal according to the signal state of a network or multiple networks reported by the mobile terminal, the location information of the mobile terminal, and the load condition of the access network.
  • the first step is to generate an access policy for the user corresponding to the mobile terminal and send the access policy to the mobile terminal, where the access policy carries the priority of the determined access mode or access mode.
  • the format of the notification message sent by the ANDSF device may be an OMA-DM data packet, and the ANDSF device may also send the generated access policy to the mobile terminal by using the OMA-DM data packet.
  • the ANDSF device receives the signal states L2 and L3 reported by the same mobile terminal at different positions twice before and after.
  • the signal state change is signal enhancement (for example, the L3 signal strength is higher than L2)
  • the mobile terminal's motion trend is entered.
  • the WLAN in combination with the network load of the WLAN (for example, the WLAN load is low), determines whether the current access policy of the mobile terminal is WLAN priority. If yes, the policy is not modified, otherwise the access policy is adjusted to make the WLAN priority. If the WLAN load is high, the access policy is adjusted to prioritize the 3GPP network and reduce the load of the WLAN.
  • the signal state change is weakened (such as the L3 signal strength is weaker than L2), it indicates that the mobile terminal's motion trend is to leave the WLAN, and combined with the load condition of the 3GPP network (for example, the 3GPP network load is low), the current terminal of the mobile terminal is determined. Whether the access policy is WLAN priority. If yes, adjust the policy to make 3GPP priority. Otherwise, the policy is not modified. If the 3GPP network load is high, the access policy is adjusted to prioritize the WLAN and reduce the load of the 3GPP network.
  • the ANDSF can obtain the load status of the 3GPP network from the network management system according to the cell identifier reported by the terminal. The ANDSF can also obtain the WLAN load status from the network management system according to the physical address of the AP.
  • the ANDSF device may also adjust the access policy of the mobile terminal, such as adjusting the terminal, when determining that the signal state of the network that the mobile terminal does not access is good, and the signal state of the network currently accessed by the mobile terminal is poor or the load of the network is high. The priority of the unconnected network is high.
  • Step 306 The mobile terminal saves the received access policy.
  • the mobile terminal receives the access policy sent by the ANSDF device and saves it. If the access policy is already existing in the local area, for example, the mobile terminal locally presets the default access policy or the ANDSF device has sent the access policy to the mobile terminal once, the locally saved access policy is updated according to the received access policy, according to The updated access policy accesses the network.
  • the terminal switches to the preferred access network. If the preferred access mode of the current location is consistent with the currently accessed network according to the latest received access policy, the terminal remains connected to the current network.
  • the mobile terminal when the detected signal state meets the reporting condition, the mobile terminal reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device, and the ANDSF device according to the signal state and the mobile
  • the location information of the terminal generates a new access policy for the user corresponding to the mobile terminal and sends the new access policy to the mobile terminal.
  • the ANDSF device generates an access policy according to the fixed network coverage.
  • the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network.
  • the coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
  • FIG. 4 is a flowchart of a method for accessing a network according to Embodiment 3 of the present invention.
  • the mobile terminal currently accesses the WLAN and obtains the address of the ANDSF device.
  • Step 401 The terminal sends an access policy request message to the ANDSF device, where the terminal requests the access policy.
  • the access policy request message carries the location information of the terminal, the identifier of the terminal (physical address, IP address), or the identifier of the user.
  • the location information of the terminal may be a Service Set Identifier (SSID) of the WLAN accessed by the terminal, a Media Access Control (MAC) address of the AP, and specific latitude and longitude information. If the terminal is currently accessing the 3GPP network, the location information may also be a cellular information Cell ID.
  • SSID Service Set Identifier
  • MAC Media Access Control
  • Step 402 The ANDSF device receives the access policy request message, and obtains the access policy of the terminal according to the location information.
  • the ANDSF device After receiving the access policy request message of the terminal, acquires the coverage of the access network near the location according to the location information therein, and generates an access policy.
  • the access policy includes the coverage of the access network and the access mode, and the access range may be a circle with a given radius as the center (or anchor point) of the AP.
  • the access mode can be accessed through the WLAN in the WLAN coverage area, and the WLAN coverage area is accessed through the 3GPP.
  • the access mode may also be that the access priority of the WLAN in the WLAN coverage is higher than the access priority of the 3GPP.
  • Step 403 The ANDSF device sends an access policy response message to the mobile terminal accessing the network, where the access policy response message carries a signal status reporting condition and an access policy of the terminal.
  • the notification message is specifically an access policy response message, where the access policy response message carries the access policy and the signal state reporting condition of the terminal generated in step 402.
  • the signal status reporting condition refer to the description in step 301 of the second embodiment above.
  • the access policy response message may be in an OMA DM packet format.
  • Step 404 The mobile terminal receives an access policy response message sent by the ANDSF device, where the access policy response message carries a signal status reporting condition and an access policy of the terminal.
  • the mobile terminal after receiving the access policy response message, the mobile terminal saves the access policy therein. If the preferred access mode of the current location is determined to be inconsistent with the currently accessed network according to the latest received access policy, the terminal switches to the preferred access network. If the preferred access mode of the current location is consistent with the currently accessed network according to the latest received access policy, the terminal remains connected to the current network.
  • Step 405 The mobile terminal detects the signal state of the currently accessed network, and reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device when the detected signal state satisfies the reporting condition. .
  • Step 406 The ANDSF device receives the signal state of the currently accessed network and the location information of the mobile terminal sent by the mobile terminal.
  • Step 407 The ANDSF device re-determines the coverage of the access network according to the signal state and the location information of the mobile terminal. range.
  • the ANDSF device may perform data analysis according to location information and signal status reported by multiple mobile terminals multiple times to determine the coverage of the access network, and the ANDSF device may determine the coverage of the network currently accessed by the terminal and the terminal currently not. The coverage of the connected network.
  • the ANDSF may start the process of data analysis after receiving the preset location information and signal status reported by the mobile terminal.
  • the ANDSF may delete invalid data from the signal status data reported by the multiple mobile terminals, for example, after receiving the location information and the signal status reported by the mobile terminal, the signal state and the preset radius of the mobile terminal location.
  • the average value of the collected signal states is compared. If the difference is within a certain range, the signal state is considered valid. Otherwise, the signal state is considered invalid, and the invalid data is deleted.
  • the process of performing data analysis by the ANDSF device may include: selecting a position in the eight orientations around the AP that reaches a set signal level (eg, L2), and separately calculating distances of the positions to the AP, and taking the average value as a radius. If the radius changes, the coverage of the access network is re-determined.
  • the re-determined access network coverage can be:
  • step 408 may be performed, or step 409 may be performed.
  • Step 408 The ANDSF device generates a new access policy according to re-determining the coverage of the access network and sends a new access policy to the mobile terminal.
  • the ANDSF device generates a new access policy according to the re-determined coverage of the access network.
  • the new access policy carries the above redefined radius.
  • the ANDSF device can send a new access policy to the mobile terminal through the OMA DM packet.
  • the ANDSF device sends the new access policy to all mobile terminals in the range of the AP, and all mobile terminals in the AP range can access the network according to the new access policy.
  • the ANDSF may also send the new access policy only to the user corresponding to the mobile terminal that has reported the location information and the signal status.
  • Step 409 The ANDSF device acquires QoS information of the user corresponding to all mobile terminals in the coverage area of the re-determined access network or QoS information of the service subscribed by the user.
  • the location information is included in the information reported by the mobile terminal, and the ANDSF device can obtain the identifier of the user corresponding to all the mobile terminals in the coverage area of the re-determined access network, such as the mobile phone number of the user, according to the location information of the mobile terminal, and then Obtain the user's quality of service from the Home Subscriber Server (HSS) or the Subscription Profile Repository (SPR) based on the user's identity (Quality) Of Service, QoS) information or QoS information of the service ordered by the user.
  • the QoS information may be specifically a parameter such as a service level, a packet loss rate, and a delay. Businesses with higher QoS, such as mobile games, stock trading or high-definition video.
  • Step 410 The ANDSF device generates an access policy for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
  • the ANDSF device generates a new access policy for the user according to the QoS information of the user or the QoS information of the service subscribed by the user, and the users corresponding to different levels of QoS information respectively correspond to different access policies, for example, the user with a high QoS level corresponds to the above.
  • the access policy of the area with strong signal level (covering radius R1), the user with low QoS level corresponds to the access policy of the area with low signal level (covering radius R3), and the user with the QoS level between high and low corresponds to the above signal level.
  • Access policy for the zone (covering radius R2).
  • the ANDSF device acquires the QoS information of the user, a new access policy is generated for the user whose QoS is higher than the preset value, for example, an access policy of the region with the strong signal level is generated; if the ANDSF device acquires The QoS information of the service subscribed by the user generates a new access policy for the user corresponding to the service whose QoS is higher than the preset value, for example, the access policy of the area with the strong signal level.
  • the preset value in step 410 can be flexibly determined according to the specific content of the QoS information. For example, if the QoS information is a service level, the preset value may be a preset service level.
  • Step 411 The ANDSF device sends the generated access policy to the mobile terminal corresponding to the user.
  • the ANDSF sends the access policy generated in step 410 to the mobile terminal corresponding to the user, and the mobile terminal updates the locally saved access policy according to the received access policy, that is, step 412 is performed.
  • the foregoing ANDSF device may integrate the module for performing the foregoing data analysis function, and the ANDSF device may send the location information and the signal state sent by the mobile terminal to the external data analysis platform through the external interface, and the data analysis platform performs the above. Data analysis function.
  • FIG. 5 is a functional block diagram of an ANDSF device according to Embodiment 4 of the present invention.
  • the ANDSF device provided by the embodiment of the present invention mainly includes:
  • the message sending unit 510 is configured to send a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition, where the signal status reporting condition includes a signal status threshold.
  • the message transmitting unit 510 specifically transmits the notification message, refer to the description of step 301 or 403 in the above embodiment.
  • the message receiving unit 520 is configured to receive a signal state of a current access network and location information of the mobile terminal that are sent by the mobile terminal.
  • the location information of the terminal may be the latitude and longitude of the terminal.
  • the policy generating unit 530 is configured to generate an access policy according to the signal state and the location information of the mobile terminal. For details of the step of the policy generating unit 530 specifically generating the access policy, refer to the description of step 305 or 407-410 in the foregoing embodiment.
  • the message sending unit 510 is further configured to send the access policy generated by the policy generating unit 530 to the mobile terminal.
  • the ANDSF device provided in the embodiment of the present invention can be applied to the foregoing corresponding embodiments 2 and 3.
  • the information sending unit 510 sends a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition, and the mobile terminal reports the currently accessed network to the ANDSF device when the detected signal status satisfies the reporting condition. Signal status and location information of the mobile terminal.
  • the policy generation unit 530 in the ANDSF device generates a new access policy for the user corresponding to the mobile terminal according to the signal state and the location information of the mobile terminal, and transmits the new access policy to the mobile terminal.
  • the ANDSF device generates an access policy according to the fixed network coverage.
  • the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network.
  • the coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
  • the policy generating unit 530 in the ANDSF device generates an access policy according to the signal state and the location information of the mobile terminal, including:
  • the foregoing method for generating an access policy may be directed to an individual user, that is, an access policy is independently adjusted for each user, and an access policy adjustment of a single user granularity is implemented.
  • the policy generating unit 530 in the ANDSF device generates the access policy according to the signal state and the location information of the mobile terminal, including:
  • the embodiment of the present invention can accurately obtain the actual coverage of the network, thereby providing an efficient access policy for the user.
  • the policy generating unit 530 in the ANDSF device generates the access policy according to the signal state and the location information of the mobile terminal, including:
  • Determining a coverage of the access network according to the signal state and location information of the mobile terminal acquiring QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user;
  • the user whose QoS information is higher than the preset value generates an access policy, where the access policy carries the coverage of the access network.
  • the access policy is generated according to the location information and the signal state of the mobile terminal.
  • the QoS information of the user or the QoS information of the service subscribed by the user is combined, which can be more accurately adjusted according to the QoS information of the specific user. User access policy to improve access efficiency.
  • the above-mentioned message sending unit 510, the message receiving unit 520, and the policy generating unit 530 perform respective corresponding actions, which can be implemented by executing the executable code stored in the memory 202 by the processor 201 in the ANDSF device provided in the first embodiment.
  • the specific execution process refer to the related description of Embodiment 1 above.
  • aspects of the present invention, or possible implementations of various aspects may be embodied as a system, method, or computer program product.
  • aspects of the invention, or aspects of the invention are The manner of implementation may be in the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, etc.), or a combination of software and hardware aspects, collectively referred to herein as "circuits", “modules” or “system”.
  • aspects of the invention, or possible implementations of various aspects may take the form of a computer program product, which is a computer readable program code stored in a computer readable medium.
  • the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
  • the computer readable storage medium includes, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing, such as random access memory (RAM), read only memory (ROM), Erase programmable read-only memory (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
  • the processor in the computer reads the computer readable program code stored in the computer readable medium such that the processor is capable of performing the various functional steps specified in each step of the flowchart, or a combination of steps; A device that functions as specified in each block, or combination of blocks.
  • the computer readable program code can execute entirely on the user's computer, partly on the user's computer, as a separate software package, partly on the user's computer and partly on the remote computer, or entirely on the remote computer or server.
  • the functions noted in the various steps in the flowcharts or in the blocks in the block diagrams may not occur in the order noted. For example, two steps, or two blocks, shown in succession may be executed substantially concurrently or the blocks may be executed in the reverse order.

Abstract

The present invention provides a network access method and an ANDSF device. In the method, when a detected signal state satisfies a reporting condition, a mobile terminal reports, to an ANDSF device, a signal state of the currently-accessed network and position information of the mobile terminal; and the ANDSF device generates a new access policy for a user corresponding to the mobile terminal according to the signal state and the position information of the mobile terminal, and sends the new access policy to the mobile terminal. Compared with the prior art in which an ANDSF device generates an access policy according to the fixed network coverage, in embodiments of the present invention, the ANDSF device generates an access policy in combination with a signal state of a position where a mobile terminal is located and allows the terminal to access; accordingly a proper network can be accurately selected for the mobile terminal according to the network coverage condition, and the access success rate of the mobile terminal is high.

Description

网络接入方法和ANDSF设备Network access method and ANDSF device
本申请要求于2015年12月31日提交中国专利局、申请号为201511028357.1、发明名称为“网络接入方法和ANDSF设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。The present application claims priority to Chinese Patent Application No. 201511028357., entitled "Network Access Method and ANDSF Device" on December 31, 2015, the entire contents of which are incorporated herein by reference. .
技术领域Technical field
本发明涉及移动通信技术领域，具体而言涉及一种网络接入方法和ANDSF设备。The present invention relates to the field of mobile communications technologies, and in particular, to a network access method and an ANDSF device.
背景技术Background technique
当移动终端(也称为用户设备)所在区域存在多种无线接入网络时，例如第三代合作伙伴计划(3rd Generation Partner Program，3GPP)接入网、无线局域网(Wireless Local Area Network，WLAN)、全球微波互联接入(Worldwide interoperability for Microwave Access，WiMAX)，终端可以通过手动选择合适的接入网络来接入，还可以通过网络侧提供的接入网络发现和选择功能(Access Network Discovery and Selection Function，ANDSF)来自动选择接入网络，该功能具体由网络侧的ANDSF设备来提供。When there are multiple radio access networks in the area where the mobile terminal (also called user equipment) is located, for example, a 3rd Generation Partner Program (3GPP) access network, a wireless local area network (WLAN) Worldwide Interoperability for Microwave Access (WiMAX), the terminal can be accessed by manually selecting an appropriate access network, and can also be accessed and selected through the access network provided by the network side (Access Network Discovery and Selection) Function, ANDSF) to automatically select the access network, this function is specifically provided by the ANDSF device on the network side.
现有技术提供了一种基于ANDSF实现终端接入网络的方法，终端在接入网络后，向ANDSF设备获取接入策略，ANDSF设备根据终端当前位置信息将对应的接入策略发送给终端。其中，接入策略中包括接入网络的覆盖范围和该覆盖范围对应的接入方式，终端在移动过程中根据自身所在的位置和接入网络的覆盖范围确定满足要求的接入方式，并根据确定的接入方式接入网络并使用网络提供的服务。The prior art provides a method for implementing a terminal access network based on an ANDSF. After accessing the network, the terminal acquires an access policy to the ANDSF device, and the ANDSF device sends the corresponding access policy to the terminal according to the current location information of the terminal. The access policy includes the coverage of the access network and the access mode corresponding to the coverage, and the terminal determines, according to its location and the coverage of the access network, the access mode that meets the requirements, and according to the The determined access method accesses the network and uses the services provided by the network.
由于接入网络的覆盖范围容易受到周边的障碍物、无线电等干扰，导致网络的覆盖范围并不总是和接入策略中携带的网络覆盖范围保持一致，现有的接入方法将导致终端接入网络状况不佳的网络。Since the coverage of the access network is easily interfered by the surrounding obstacles, radios, etc., the coverage of the network is not always consistent with the coverage of the network carried in the access policy. The existing access method will result in the terminal connection. Into a network with a poor network.
发明内容Summary of the invention
本发明实施例提供了一种网络侧设备根据终端当前所在位置的网络覆盖确定终端接入的网络的方法、装置及***。The embodiment of the invention provides a method, device and system for determining, by a network side device, a network accessed by a terminal according to network coverage of a current location of the terminal.
第一方面，本发明实施例提供一种接入网络的方法，应用于ANDSF设备，其主要包括：In a first aspect, an embodiment of the present invention provides a method for accessing a network, which is applied to an ANDSF device, and the method mainly includes:
向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件；Sending a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition;
接收所述移动终端发送的当前接入网络的信号状态和所述移动终端的位置信息；Receiving, by the mobile terminal, a signal state of a current access network and location information of the mobile terminal;
根据所述信号状态和移动终端的位置信息生成接入策略并向所述移动终端发送所述接入策略。 And generating an access policy according to the signal state and location information of the mobile terminal, and sending the access policy to the mobile terminal.
结合第一方面，在第一种可能的实施方式中，上述根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the first aspect, in a first possible implementation manner, the generating the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述移动终端的接入方式或接入方式的优先级；Determining a priority of an access mode or an access mode of the mobile terminal according to the signal state and location information of the mobile terminal;
对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述确定的接入方式或接入方式的优先级。上述生成接入策略的方法可以针对单独的用户，即对每个用户独立调整接入策略。Generating an access policy for the user corresponding to the mobile terminal, where the access policy carries the priority of the determined access mode or access mode. The foregoing method for generating an access policy may be directed to individual users, that is, the access policy is independently adjusted for each user.
结合第一方面，在第二种可能的实施方式中，所述根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the first aspect, in a second possible implementation manner, the generating the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。上述生成的接入策略可以应用于接入网络覆盖范围内所有的用户，覆盖范围更广。相对于现有技术中固定的网络覆盖范围，本发明实施例可以准确获取网络的实际覆盖范围，从而对用户提供高效的接入策略。Generating an access policy for the user corresponding to the mobile terminal, where the access policy carries the coverage of the access network. The above generated access policy can be applied to all users in the coverage of the access network, and the coverage is wider. Compared with the fixed network coverage in the prior art, the embodiment of the present invention can accurately obtain the actual coverage of the network, thereby providing an efficient access policy for the user.
结合第一方面，在第三种可能的实施方式中，所述根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the first aspect, in a third possible implementation, the generating the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
获取所述接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息；Obtaining QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user;
对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。本实施方式中结合了用户的QoS信息或用户订购的业务的QoS信息，可以更准确的根据具体用户的QoS信息的高低调整用户的接入策略，针对性更好。An access policy is generated for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network. In this embodiment, the QoS information of the user or the QoS information of the service subscribed by the user is combined, and the user's access policy can be adjusted according to the QoS information of the specific user more accurately, and the targeting is better.
结合第一方面，第一方面的第一种可能的实施方式，第一方面的第二种可能的实施方式，第一方面的第三种可能的实施方式，在第四种可能的实施方式中，所述根据信号状态和移动终端的位置信息确定所述接入网络的覆盖范围包括：With reference to the first aspect, the first possible implementation of the first aspect, the second possible implementation of the first aspect, the third possible implementation of the first aspect, in the fourth possible implementation Determining, according to the signal state and the location information of the mobile terminal, the coverage of the access network includes:
在接收到预定数量的移动终端发送的当前接入网络的信号状态和位置信息之后，根据信号状态和移动终端的位置信息确定所述接入网络的覆盖范围。After receiving the signal state and location information of the current access network sent by the predetermined number of mobile terminals, the coverage of the access network is determined according to the signal state and the location information of the mobile terminal.
第二方面，本发明实施例提供一种接入网络的方法，应用于移动终端，其包括：In a second aspect, an embodiment of the present invention provides a method for accessing a network, which is applied to a mobile terminal, and includes:
接收ANDSF设备发送的通知消息，所述通知消息中携带信号状态上报条件；Receiving a notification message sent by the ANDSF device, where the notification message carries a signal status reporting condition;
检测当前接入的网络的信号状态，在检测到的信号状态满足所述上报条件时，向所述ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息；Detecting a signal state of the currently accessed network, and reporting, to the ANDSF device, a signal state of the currently accessed network and location information of the mobile terminal, when the detected signal state meets the reporting condition;
接收所述ANDSF设备发送的接入策略，根据所述接入策略接入网络。Receiving an access policy sent by the ANDSF device, and accessing the network according to the access policy.
结合第二方面，在第一种可能的实现方式中，所述信号状态上报条件包括信号状态门 限值，所述在检测到的信号状态满足所述上报条件时，向所述ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息包括：With reference to the second aspect, in a first possible implementation manner, the signal state reporting condition includes a signal state gate a limit value, when the detected signal state satisfies the reporting condition, reporting, to the ANDSF device, a signal state of the currently accessed network and location information of the mobile terminal includes:
在检测到的信号状态大于或小于所述信号状态门限值时，向所述ANDSF设备上报当前接入的网络的信号状态和所述移动终端当前的位置信息。When the detected signal state is greater than or less than the signal state threshold, the signal status of the currently accessed network and the current location information of the mobile terminal are reported to the ANDSF device.
结合第二方面，在第二种可能的实现方式中，所述终端在接收到ANDSF设备发送的接入策略后，根据接收到的接入策略更新本地保存的接入策略。With reference to the second aspect, in a second possible implementation, after receiving the access policy sent by the ANDSF device, the terminal updates the locally saved access policy according to the received access policy.
第三方面，本发明实施例提供一种ANDSF设备，其包括：In a third aspect, an embodiment of the present invention provides an ANDSF device, including:
消息发送单元，用于向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件；a message sending unit, configured to send a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition;
消息接收单元，用于接收所述移动终端发送的当前接入网络的信号状态和所述移动终端的位置信息；a message receiving unit, configured to receive a signal state of a current access network and location information of the mobile terminal that are sent by the mobile terminal;
策略生成单元，用于根据所述信号状态和移动终端的位置信息生成接入策略；a policy generating unit, configured to generate an access policy according to the signal state and location information of the mobile terminal;
所述消息发送单元还用于向所述移动终端发送所述接入策略。The message sending unit is further configured to send the access policy to the mobile terminal.
结合第三方面，在第一种可能的实现方式中，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the third aspect, in a first possible implementation, the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述移动终端的接入方式或接入方式的优先级；Determining a priority of an access mode or an access mode of the mobile terminal according to the signal state and location information of the mobile terminal;
对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述确定的接入方式或接入方式的优先级。Generating an access policy for the user corresponding to the mobile terminal, where the access policy carries the priority of the determined access mode or access mode.
结合第三方面，在第二种可能的实现方式中，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the third aspect, in a second possible implementation, the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。Generating an access policy for the user corresponding to the mobile terminal, where the access policy carries the coverage of the access network.
结合第三方面，在第三种可能的实现方式中，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：With reference to the third aspect, in a third possible implementation, the generating, by the policy generating unit, the access policy according to the signal state and the location information of the mobile terminal includes:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
获取所述接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息；Obtaining QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user;
对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。An access policy is generated for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
第四方面，本发明实施例提供一种ANDSF设备，其包括存储器、处理器，其中，存储器中存储有可执行代码，当所述处理器执行所述存储器中存储的可执行代码时，所述ANDSF 设备执行如第一方面所述的接入网络的方法。In a fourth aspect, an embodiment of the present invention provides an ANDSF device, which includes a memory and a processor, wherein the memory stores executable code, when the processor executes the executable code stored in the memory, ANDSF The apparatus performs the method of accessing a network as described in the first aspect.
在以上任一方面描述的实施例中，所述信号状态上报条件包括信号状态门限值。终端的位置信息可以为终端的经纬度。In an embodiment described in any of the above aspects, the signal state reporting condition comprises a signal state threshold. The location information of the terminal may be the latitude and longitude of the terminal.
第五方面，本发明实施例提供一种接入网络的***，该***包括移动终端以及如第三方面、第四方面所描述的ANDSF设备。此外，该***还可以包括提供接入网络的接入点和基站。In a fifth aspect, an embodiment of the present invention provides a system for accessing a network, where the system includes a mobile terminal and the ANDSF device as described in the third aspect and the fourth aspect. In addition, the system can also include an access point and a base station that provide access to the network.
在以上任一方面提供的实施例中，移动终端在检测到的信号状态满足上报条件时，向ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息，ANDSF设备根据所述信号状态和移动终端的位置信息对所述移动终端对应的用户生成新的接入策略并向所述移动终端发送。与现有技术中ANDSF设备仅仅根据固定的网络覆盖生成接入策略相比，本发明实施例中ANDSF设备结合移动终端所在位置的信号状态生成接入策略对终端进行接入，可以准确根据网络的覆盖情况为移动终端选择合适的接入网络，移动终端的接入效率较高。In an embodiment provided by the foregoing aspect, the mobile terminal reports, to the ANDSF device, a signal state of the currently accessed network and location information of the mobile terminal, when the detected signal state meets the reporting condition, and the ANDSF device according to the The signal status and the location information of the mobile terminal generate a new access policy for the user corresponding to the mobile terminal and transmit to the mobile terminal. Compared with the prior art, the ANDSF device generates an access policy according to the fixed network coverage. In the embodiment of the present invention, the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network. The coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
附图说明DRAWINGS
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述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。其中：In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work. among them:
图1是本发明实施例提供的网络接入***中接入网络的覆盖示意图；1 is a schematic diagram of coverage of an access network in a network access system according to an embodiment of the present invention;
图2是本发明实施例一提供的ANDSF设备的硬件结构图；2 is a hardware structural diagram of an ANDSF device according to Embodiment 1 of the present invention;
图3是本发明实施例二提供的接入网络的方法的流程图；3 is a flowchart of a method for accessing a network according to Embodiment 2 of the present invention;
图4是本发明实施例三提供的接入网络的方法的流程图；4 is a flowchart of a method for accessing a network according to Embodiment 3 of the present invention;
图5是本发明实施例四提供的ANDSF设备的功能模块图。FIG. 5 is a functional block diagram of an ANDSF device according to Embodiment 4 of the present invention.
具体实施方式detailed description
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的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。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, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.
本发明提供一种网络接入方法、相关装置及***，参见图1，图1是本发明实施例提供的网络接入***中接入网络的覆盖示意图。The present invention provides a network access method, a related device, and a system. Referring to FIG. 1, FIG. 1 is a schematic diagram of coverage of an access network in a network access system according to an embodiment of the present invention.
如图所示，本发明实施例提供的网络接入***包括ANDSF设备和移动终端MT，此外还包括具体的提供接入网络的接入设备，例如接入点(Access Point，AP)、演进式基站(E Node  B)和基站(Node B)。As shown in the figure, the network access system provided by the embodiment of the present invention includes an ANDSF device and a mobile terminal MT, and further includes a specific access device that provides an access network, such as an access point (AP), an evolved Base station (E Node B) and base station (Node B).
图中的实线部分为3GPP网络的覆盖范围，虚线部分为WLAN的覆盖范围，移动终端(Mobile Terminal，MT)可以通过接入点接入WLAN，还可以通过基站接入3GPP网络。其中，3GPP网络可以包括全球移动***(Global System for Mobile，GSM)网络、码分多址接入(Code Division Multiple Access，CDMA)网络、通用移动通信***(Universal Mobile Telecommunications System，UMTS)网络、长期演进(Long Term Evolution，LTE)网络、第五代(5G)网络等。此外，用户也可以同时接入两个或两个以上的接入网络，在不同的接入网络中使用不同的业务，例如用户同时接入WLAN和3GPP网络。The solid line part of the figure is the coverage of the 3GPP network, and the dotted line part is the coverage of the WLAN. The mobile terminal (MT) can access the WLAN through the access point, and can also access the 3GPP network through the base station. The 3GPP network may include a Global System for Mobile (GSM) network, a Code Division Multiple Access (CDMA) network, a Universal Mobile Telecommunications System (UMTS) network, and a long-term Long Term Evolution (LTE) network, fifth generation (5G) network, etc. In addition, the user can also access two or more access networks at the same time, and use different services in different access networks, for example, the user accesses the WLAN and the 3GPP network at the same time.
其中，ANDSF设备是逻辑上独立的设备，在实际部署时，其可以独立部署，也可也和现有网络中的设备合设，例如和现有3GPP网络的策略控制与规则功能(Policy Control and Rule Function，PCRF)、Node B合设，或与WLAN中的AP合设。The ANDSF device is a logically independent device. In actual deployment, it can be deployed independently or in combination with devices in the existing network. For example, policy control and rule functions of the existing 3GPP network (Policy Control and Rule Function, PCRF), Node B is set up, or combined with AP in the WLAN.
参见图2，图2是本发明实施例一提供的ANDSF设备的硬件结构图。Referring to FIG. 2, FIG. 2 is a hardware structural diagram of an ANDSF device according to Embodiment 1 of the present invention.
其中，ANDSF设备采用了通用的计算机硬件，其包括处理器201、存储器202、总线203、输入设备204、输出设备205以及网络接口206。The ANDSF device employs general purpose computer hardware including a processor 201, a memory 202, a bus 203, an input device 204, an output device 205, and a network interface 206.
具体的，存储器202可以包括以易失性和/或非易失性存储器形式的计算机存储媒体，如只读存储器和/或随机存取存储器。存储器202可以存储操作***、应用程序、其他程序模块、可执行代码和程序数据。In particular, memory 202 can include computer storage media in the form of volatile and/or nonvolatile memory, such as read only memory and/or random access memory. Memory 202 can store operating systems, applications, other program modules, executable code, and program data.
输入设备204可以用于向ANDSF设备输入命令和信息，输入设备204如键盘或指向设备，如鼠标、轨迹球、触摸板、麦克风、操纵杆、游戏垫、圆盆式***天线、扫描仪或类似设备。这些输入设备可以通过总线203连接至处理器201。 Input device 204 can be used to input commands and information to an ANDSF device, such as a keyboard or pointing device such as a mouse, trackball, touch pad, microphone, joystick, game pad, round dish satellite TV antenna, scanner, or Similar equipment. These input devices can be connected to the processor 201 via the bus 203.
输出设备205可以用于ANDSF设备输出信息，除了监视器之外，输出设备205还可以为其他***输出设各，如扬声器和/或打印设备，这些输出设备也可以通过总线203连接到处理器201。The output device 205 can be used for the ANDSF device to output information. In addition to the monitor, the output device 205 can also be configured for other peripheral outputs, such as speakers and/or printing devices, which can also be connected to the processor 201 via the bus 203. .
ANDSF设备可以通过网络接口206连接到网络中，例如连接到局域网(Local Area Network，LAN)。在联网环境下，ANDSF设备中存储的计算机执行指令可以存储在远程存储设备中，而不限于在本地存储。The ANDSF device can be connected to the network through the network interface 206, for example to a Local Area Network (LAN). In a networked environment, computer-executed instructions stored in an ANDSF device can be stored in a remote storage device without being limited to local storage.
当ANDSF设备中的处理器201执行存储器202中存储的可执行代码或应用程序时，ANDSF设备可以执行以下图3-4中ANDSF设备一侧的方法步骤，例如执行步骤301、304-305等。When the processor 201 in the ANDSF device executes the executable code or application stored in the memory 202, the ANDSF device can perform the method steps on the ANDSF device side in FIGS. 3-4 below, for example, performing steps 301, 304-305, and the like.
参见图3，图3是本发明实施例二提供的接入网络的方法的流程图。Referring to FIG. 3, FIG. 3 is a flowchart of a method for accessing a network according to Embodiment 2 of the present invention.
在本发明实施例中，移动终端当前已经接入WLAN，并获取到ANDSF设备的地址。本发明实施例提供的接入网络的方法主要包括以下步骤：In the embodiment of the present invention, the mobile terminal currently accesses the WLAN and obtains the address of the ANDSF device. The method for accessing a network provided by the embodiment of the present invention mainly includes the following steps:
步骤301、ANDSF设备向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件。 Step 301: The ANDSF device sends a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition.
具体的，ANDSF设备可以在终端接入WLAN后，主动向移动终端发送携带信号状态上报条件的通知消息。ANDSF设备也可以在接收到终端的接入策略请求消息后，向移动终端发送接入策略响应消息(采用OMA DM数据包格式)。此时，通知消息具体为接入策略响应消息，该接入策略响应消息中携带接入策略和信号状态上报条件。其中，信号状态上报条件可以为信号状态满足预定范围上报，例如在信号值小于-100dbm时上报信号状态以及在信号值小于-110dbm时上报信号状态。上述通知消息中还可以携带用户的标识和移动终端的标识。Specifically, after the terminal accesses the WLAN, the ANDSF device may actively send a notification message carrying the signal status reporting condition to the mobile terminal. The ANDSF device may also send an access policy response message (in the OMA DM packet format) to the mobile terminal after receiving the access policy request message of the terminal. At this time, the notification message is specifically an access policy response message, where the access policy response message carries an access policy and a signal status reporting condition. The signal state reporting condition may be that the signal state satisfies a predetermined range of reporting, for example, reporting a signal state when the signal value is less than -100 dbm and reporting the signal state when the signal value is less than -110 dbm. The identifier of the user and the identifier of the mobile terminal may also be carried in the notification message.
步骤302、移动终端接收ANDSF设备发送的通知消息，所述通知消息中携带信号状态上报条件。Step 302: The mobile terminal receives a notification message sent by the ANDSF device, where the notification message carries a signal status reporting condition.
步骤303、移动终端检测当前接入的网络的信号状态，在检测到的信号状态满足所述上报条件时，向所述ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息。Step 303: The mobile terminal detects the signal state of the currently accessed network, and reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device when the detected signal state satisfies the reporting condition. .
在本实施例中，移动终端在接收到通知消息后，持续检测当前接入的网络的信号状态，并在检测到的信号状态满足该上报条件时，向ANDSF设备上报当前接入的网络的信号状态和移动终端的位置信息。具体的，移动终端可以通过开放式移动体系结构设备管理(Open Mobile Architecture Device Management，OMA-DM)数据包向ANDSF设备上报信号状态和位置信息。In this embodiment, after receiving the notification message, the mobile terminal continuously detects the signal state of the currently accessed network, and reports the signal of the currently accessed network to the ANDSF device when the detected signal state satisfies the reporting condition. Status and location information of the mobile terminal. Specifically, the mobile terminal can report the signal status and location information to the ANDSF device through the Open Mobile Architecture Device Management (OMA-DM) data packet.
其中，移动终端当前接入的网络的信号状态可以为具体的信号值(以dbm为量度)，也可以为信号值的相对指标。例如信号等级L1、L2和L3，其中信号等级对应具体的信号值范围。终端可以在信号状态达到L1时向ANDSF上报一次，在信号状态达到L2时向ANDSF设备上报一次，在信号状态达到L3时向ANDSF设备上报一次。The signal state of the network currently accessed by the mobile terminal may be a specific signal value (measured in dbm) or a relative indicator of the signal value. For example signal levels L1, L2 and L3, where the signal level corresponds to a specific range of signal values. The terminal can report to the ANDSF once the signal state reaches L1, report to the ANDSF device once the signal state reaches L2, and report to the ANDSF device once the signal state reaches L3.
终端的位置信息具体可以为终端的经纬度，该经纬度可以通过终端本身的定位***来确定，例如通过全球定位***(Global Position System，GPS)，北斗定位***等。此外，终端的位置信息还可以为蜂窝小区标识(Cell ID)。The location information of the terminal may specifically be the latitude and longitude of the terminal, and the latitude and longitude may be determined by the positioning system of the terminal itself, for example, by a Global Position System (GPS), a Beidou positioning system, and the like. In addition, the location information of the terminal may also be a cell ID (Cell ID).
可选的，移动终端还可以检测当前接入的多个网络(例如3GPP网络、WLAN)的信号状态，同时将多个网络的信号状态和网络标识上报给ANDSF。移动终端还可以检测当前未接入的网络的信号状态，将未接入网络的信号状态和网络标识发送给ANDSF。其中，网络标识可以为WLAN的服务集标识(Service Set Identifier，SSID)、3GPP网络的标识或蜂窝小区标识。Optionally, the mobile terminal can also detect the signal status of the multiple networks (for example, the 3GPP network and the WLAN) that are currently accessed, and report the signal status and the network identifier of the multiple networks to the ANDSF. The mobile terminal can also detect the signal status of the currently unconnected network, and send the signal status and network identifier of the unconnected network to the ANDSF. The network identifier may be a Service Set Identifier (SSID) of the WLAN, an identifier of the 3GPP network, or a cell identifier.
步骤304、ANDSF设备接收所述移动终端发送的当前接入的网络的信号状态和移动终端的位置信息。Step 304: The ANDSF device receives the signal state of the currently accessed network and the location information of the mobile terminal sent by the mobile terminal.
步骤305、ANDSF设备根据所述信号状态和移动终端的位置信息生成接入策略并向所述移动终端发送生成的接入策略。Step 305: The ANDSF device generates an access policy according to the signal state and location information of the mobile terminal, and sends the generated access policy to the mobile terminal.
在本实施例中，ANDSF设备可以根据移动终端上报的一个网络或多个网络的信号状态、移动终端的位置信息以及接入网络的负载情况确定该移动终端的接入方式或接入方式的优 先级，然后对所述移动终端对应的用户生成接入策略并发送给该移动终端，所述接入策略中携带所述确定的接入方式或接入方式的优先级。具体的，ANDSF设备发送的通知消息的格式可以为OMA-DM数据包，ANDSF设备也可以通过OMA-DM数据包向移动终端发送生成的接入策略。In this embodiment, the ANDSF device may determine the access mode or the access mode of the mobile terminal according to the signal state of a network or multiple networks reported by the mobile terminal, the location information of the mobile terminal, and the load condition of the access network. The first step is to generate an access policy for the user corresponding to the mobile terminal and send the access policy to the mobile terminal, where the access policy carries the priority of the determined access mode or access mode. Specifically, the format of the notification message sent by the ANDSF device may be an OMA-DM data packet, and the ANDSF device may also send the generated access policy to the mobile terminal by using the OMA-DM data packet.
例如，ANDSF设备前后两次接收到同一移动终端在不同位置上报的信号状态L2、L3，当信号状态变化是信号增强时(如L3信号强度高于L2)，则说明移动终端的运动趋势是进入WLAN，结合WLAN的网络负载情况(例如WLAN负载低)，判断该移动终端当前的接入策略是否为WLAN优先，如果是则不修改策略，否则调整接入策略，使WLAN优先。若WLAN负载高，则调整接入策略，使3GPP网络优先，降低WLAN的负载。For example, the ANDSF device receives the signal states L2 and L3 reported by the same mobile terminal at different positions twice before and after. When the signal state change is signal enhancement (for example, the L3 signal strength is higher than L2), the mobile terminal's motion trend is entered. The WLAN, in combination with the network load of the WLAN (for example, the WLAN load is low), determines whether the current access policy of the mobile terminal is WLAN priority. If yes, the policy is not modified, otherwise the access policy is adjusted to make the WLAN priority. If the WLAN load is high, the access policy is adjusted to prioritize the 3GPP network and reduce the load of the WLAN.
当信号状态变化是强度减弱时(如L3信号强度弱于L2)，则说明移动终端的运动趋势是离开WLAN，结合3GPP网络的负载情况(例如3GPP网络负载低)，则判断该移动终端当前的接入策略是否为WLAN优先，如果是则调整策略，使3GPP优先，否则不修改策略。若3GPP网络负载高，则调整接入策略，使WLAN优先，降低3GPP网络的负载。其中，ANDSF可以根据终端上报的蜂窝小区标识向网络管理***获取3GPP网络的负载情况。ANDSF也可以根据AP的物理地址向网络管理***获取WLAN的负载情况。When the signal state change is weakened (such as the L3 signal strength is weaker than L2), it indicates that the mobile terminal's motion trend is to leave the WLAN, and combined with the load condition of the 3GPP network (for example, the 3GPP network load is low), the current terminal of the mobile terminal is determined. Whether the access policy is WLAN priority. If yes, adjust the policy to make 3GPP priority. Otherwise, the policy is not modified. If the 3GPP network load is high, the access policy is adjusted to prioritize the WLAN and reduce the load of the 3GPP network. The ANDSF can obtain the load status of the 3GPP network from the network management system according to the cell identifier reported by the terminal. The ANDSF can also obtain the WLAN load status from the network management system according to the physical address of the AP.
此外，ANDSF设备还可以在确定移动终端未接入的网络的信号状态良好，而移动终端当前接入的网络的信号状态差或网络的负载高时，调整移动终端的接入策略，例如调整终端未接入的网络的优先级为高。In addition, the ANDSF device may also adjust the access policy of the mobile terminal, such as adjusting the terminal, when determining that the signal state of the network that the mobile terminal does not access is good, and the signal state of the network currently accessed by the mobile terminal is poor or the load of the network is high. The priority of the unconnected network is high.
步骤306、移动终端保存接收到的接入策略。Step 306: The mobile terminal saves the received access policy.
移动终端接收ANSDF设备发送的接入策略并保存。若本地已经存在接入策略，例如移动终端本地预置默认的接入策略或ANDSF设备已经发送过一次接入策略给移动终端，则根据接收到的接入策略更新本地保存的接入策略，根据更新的接入策略接入网络。The mobile terminal receives the access policy sent by the ANSDF device and saves it. If the access policy is already existing in the local area, for example, the mobile terminal locally presets the default access policy or the ANDSF device has sent the access policy to the mobile terminal once, the locally saved access policy is updated according to the received access policy, according to The updated access policy accesses the network.
若根据最新接收到的接入策略确定当前位置优选的接入方式与当前接入的网络不一致，则终端切换到该优选的接入网络。如果根据最新接收到的接入策略确定当前位置优选的接入方式与当前接入的网络一致，则终端保持接入当前的网络。If the preferred access mode of the current location is determined to be inconsistent with the currently accessed network according to the latest received access policy, the terminal switches to the preferred access network. If the preferred access mode of the current location is consistent with the currently accessed network according to the latest received access policy, the terminal remains connected to the current network.
在本发明实施例中，移动终端在检测到的信号状态满足上报条件时，向ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息，ANDSF设备根据所述信号状态和移动终端的位置信息对所述移动终端对应的用户生成新的接入策略并向所述移动终端发送。与现有技术中ANDSF设备仅仅根据固定的网络覆盖生成接入策略相比，本发明实施例中ANDSF设备结合移动终端所在位置的信号状态生成接入策略对终端进行接入，可以准确根据网络的覆盖情况为移动终端选择合适的接入网络，移动终端的接入效率较高。In the embodiment of the present invention, when the detected signal state meets the reporting condition, the mobile terminal reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device, and the ANDSF device according to the signal state and the mobile The location information of the terminal generates a new access policy for the user corresponding to the mobile terminal and sends the new access policy to the mobile terminal. Compared with the prior art, the ANDSF device generates an access policy according to the fixed network coverage. In the embodiment of the present invention, the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network. The coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
参见图4，图4是本发明实施例三提供的接入网络的方法的流程图。 Referring to FIG. 4, FIG. 4 is a flowchart of a method for accessing a network according to Embodiment 3 of the present invention.
在本发明实施例中，移动终端当前已经接入WLAN，并获取到ANDSF设备的地址。In the embodiment of the present invention, the mobile terminal currently accesses the WLAN and obtains the address of the ANDSF device.
本发明实施例提供的接入网络的方法主要包括以下步骤：The method for accessing a network provided by the embodiment of the present invention mainly includes the following steps:
步骤401、终端向ANDSF设备发送接入策略请求消息，用于请求接入策略。Step 401: The terminal sends an access policy request message to the ANDSF device, where the terminal requests the access policy.
具体的，接入策略请求消息中携带终端的位置信息、终端的标识(物理地址、IP地址)或用户的标识等。终端的位置信息可以为终端接入的WLAN的服务集标识(Service Set Identifier，SSID)、AP的媒体访问控制(Media Access Control，MAC)地址、具体的经纬度信息。若终端当前接入的是3GPP网络，则位置信息还可以为蜂窝信息Cell ID。Specifically, the access policy request message carries the location information of the terminal, the identifier of the terminal (physical address, IP address), or the identifier of the user. The location information of the terminal may be a Service Set Identifier (SSID) of the WLAN accessed by the terminal, a Media Access Control (MAC) address of the AP, and specific latitude and longitude information. If the terminal is currently accessing the 3GPP network, the location information may also be a cellular information Cell ID.
步骤402、ANDSF设备接收接入策略请求消息，根据其中的位置信息获取终端的接入策略。Step 402: The ANDSF device receives the access policy request message, and obtains the access policy of the terminal according to the location information.
具体的，ANDSF设备在接收到终端的接入策略请求消息之后，根据其中的位置信息获取该位置附近的接入网络的覆盖情况，并生成接入策略。接入策略中包括接入网络的覆盖范围以及接入方式，该接入范围可以为以AP所在位置为圆心(或锚定点)，给定半径的一个圆。接入方式可以为WLAN覆盖范围内通过WLAN接入，WLAN覆盖范围外，则通过3GPP接入。接入方式还可以为在WLAN覆盖范围内WLAN的接入优先级高于3GPP的接入优先级。Specifically, after receiving the access policy request message of the terminal, the ANDSF device acquires the coverage of the access network near the location according to the location information therein, and generates an access policy. The access policy includes the coverage of the access network and the access mode, and the access range may be a circle with a given radius as the center (or anchor point) of the AP. The access mode can be accessed through the WLAN in the WLAN coverage area, and the WLAN coverage area is accessed through the 3GPP. The access mode may also be that the access priority of the WLAN in the WLAN coverage is higher than the access priority of the 3GPP.
步骤403、ANDSF设备向接入网络的移动终端发送接入策略响应消息，所述接入策略响应消息中携带信号状态上报条件和终端的接入策略。Step 403: The ANDSF device sends an access policy response message to the mobile terminal accessing the network, where the access policy response message carries a signal status reporting condition and an access policy of the terminal.
在本实施例中，通知消息具体为接入策略响应消息，该接入策略响应消息中携带步骤402中生成的终端的接入策略和信号状态上报条件。信号状态上报条件具体参见上述实施例二的步骤301中的描述。In this embodiment, the notification message is specifically an access policy response message, where the access policy response message carries the access policy and the signal state reporting condition of the terminal generated in step 402. For details of the signal status reporting condition, refer to the description in step 301 of the second embodiment above.
其中，接入策略响应消息可以采用OMA DM数据包格式。The access policy response message may be in an OMA DM packet format.
步骤404、移动终端接收ANDSF设备发送的接入策略响应消息，所述接入策略响应消息中携带信号状态上报条件和终端的接入策略。Step 404: The mobile terminal receives an access policy response message sent by the ANDSF device, where the access policy response message carries a signal status reporting condition and an access policy of the terminal.
具体的，移动终端在接收到接入策略响应消息后，保存其中的接入策略。若根据最新接收到的接入策略确定当前位置优选的接入方式与当前接入的网络不一致，则终端切换到该优选的接入网络。如果根据最新接收到的接入策略确定当前位置优选的接入方式与当前接入的网络一致，则终端保持接入当前的网络。Specifically, after receiving the access policy response message, the mobile terminal saves the access policy therein. If the preferred access mode of the current location is determined to be inconsistent with the currently accessed network according to the latest received access policy, the terminal switches to the preferred access network. If the preferred access mode of the current location is consistent with the currently accessed network according to the latest received access policy, the terminal remains connected to the current network.
步骤405、移动终端检测当前接入的网络的信号状态，在检测到的信号状态满足所述上报条件时，向所述ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息。Step 405: The mobile terminal detects the signal state of the currently accessed network, and reports the signal state of the currently accessed network and the location information of the mobile terminal to the ANDSF device when the detected signal state satisfies the reporting condition. .
步骤406、ANDSF设备接收所述移动终端发送的当前接入的网络的信号状态和移动终端的位置信息。Step 406: The ANDSF device receives the signal state of the currently accessed network and the location information of the mobile terminal sent by the mobile terminal.
其中，本实施例中步骤405-406的执行过程可以参见上述实施例中的步骤303-304的执行过程。For the execution process of the steps 405-406 in this embodiment, refer to the execution process of the steps 303-304 in the foregoing embodiment.
步骤407、ANDSF设备根据所述信号状态和移动终端的位置信息重新确定接入网的覆盖 范围。Step 407: The ANDSF device re-determines the coverage of the access network according to the signal state and the location information of the mobile terminal. range.
具体的，ANDSF设备可以根据多个移动终端多次上报的位置信息和信号状态来进行数据分析，确定接入网络的覆盖范围，ANDSF设备可以确定终端当前接入的网络的覆盖范围和终端当前未接入的网络的覆盖范围。其中，ANDSF可以在接收到预设数量的移动终端上报的位置信息和信号状态后，启动数据分析的过程。Specifically, the ANDSF device may perform data analysis according to location information and signal status reported by multiple mobile terminals multiple times to determine the coverage of the access network, and the ANDSF device may determine the coverage of the network currently accessed by the terminal and the terminal currently not. The coverage of the connected network. The ANDSF may start the process of data analysis after receiving the preset location information and signal status reported by the mobile terminal.
其中，ANDSF可以从多个移动终端上报的信号状态数据中删除无效的数据，例如在收到一个移动终端上报的位置信息和信号状态后，将该信号状态与该移动终端所在位置预设半径范围内收集到的信号状态的平均值进行比较，差值在一定范围内则认为该信号状态有效，否则认为该信号状态无效，删除该无效的数据。The ANDSF may delete invalid data from the signal status data reported by the multiple mobile terminals, for example, after receiving the location information and the signal status reported by the mobile terminal, the signal state and the preset radius of the mobile terminal location. The average value of the collected signal states is compared. If the difference is within a certain range, the signal state is considered valid. Otherwise, the signal state is considered invalid, and the invalid data is deleted.
进一步的，ANDSF设备执行数据分析的过程可以包括：选取AP周围八个方位中达到设定信号等级(例如L2)的位置，并分别计算出这些位置到AP的距离，取平均值做为半径，如果半径发生变化，则重新确定接入网的覆盖范围。例如，重新确定的接入网的覆盖范围可以为：Further, the process of performing data analysis by the ANDSF device may include: selecting a position in the eight orientations around the AP that reaches a set signal level (eg, L2), and separately calculating distances of the positions to the AP, and taking the average value as a radius. If the radius changes, the coverage of the access network is re-determined. For example, the re-determined access network coverage can be:
信号等级Signal level 覆盖半径Cover radius
强(H)Strong (H) R1R1
中(M)Medium (M) R2R2
低(L)Low (L) R3R3
在本实施例中，ANDSF设备在重新确定接入网络的覆盖范围后，可以执行步骤408，也可以执行步骤409。In this embodiment, after the ANDSF device re-determines the coverage of the access network, step 408 may be performed, or step 409 may be performed.
步骤408、ANDSF设备根据重新确定接入网的覆盖范围生成新的接入策略并向移动终端发送新的接入策略。Step 408: The ANDSF device generates a new access policy according to re-determining the coverage of the access network and sends a new access policy to the mobile terminal.
在本实施例中，ANDSF设备根据重新确定的接入网的覆盖范围生成新的接入策略。其中，新的接入策略中携带上述重新确定的半径。同样的，ANDSF设备可以通过OMA DM数据包向移动终端发送新的接入策略。In this embodiment, the ANDSF device generates a new access policy according to the re-determined coverage of the access network. The new access policy carries the above redefined radius. Similarly, the ANDSF device can send a new access policy to the mobile terminal through the OMA DM packet.
ANDSF设备向所述AP范围内的所有的移动终端发送该新的接入策略，进而该AP范围内所有的移动终端均可以根据上述新的接入策略来接入网络。ANDSF也可以只向上报了位置信息和信号状态的移动终端对应的用户发送该新的接入策略。The ANDSF device sends the new access policy to all mobile terminals in the range of the AP, and all mobile terminals in the AP range can access the network according to the new access policy. The ANDSF may also send the new access policy only to the user corresponding to the mobile terminal that has reported the location information and the signal status.
步骤409、ANDSF设备获取上述重新确定的接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息。Step 409: The ANDSF device acquires QoS information of the user corresponding to all mobile terminals in the coverage area of the re-determined access network or QoS information of the service subscribed by the user.
由于移动终端上报的信息中包括位置信息，因而ANDSF设备可以根据移动终端的位置信息来获取上述重新确定的接入网络的覆盖范围内所有移动终端对应的用户的标识，例如用户的手机号，然后根据用户的标识向归属用户服务器(Home Subscriber Server，HSS)或签约规格库(Subscription Profile Repository，SPR)获取用户的服务质量(Quality  of Service，QoS)信息或用户订购的业务的QoS信息。其中，QoS信息具体可以为服务等级、丢包率、时延等参数。QoS较高的业务例如***、股票交易或高清视频等。The location information is included in the information reported by the mobile terminal, and the ANDSF device can obtain the identifier of the user corresponding to all the mobile terminals in the coverage area of the re-determined access network, such as the mobile phone number of the user, according to the location information of the mobile terminal, and then Obtain the user's quality of service from the Home Subscriber Server (HSS) or the Subscription Profile Repository (SPR) based on the user's identity (Quality) Of Service, QoS) information or QoS information of the service ordered by the user. The QoS information may be specifically a parameter such as a service level, a packet loss rate, and a delay. Businesses with higher QoS, such as mobile games, stock trading or high-definition video.
步骤410、ANDSF设备对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。Step 410: The ANDSF device generates an access policy for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
具体的，ANDSF设备根据用户的QoS信息或用户订购的业务的QoS信息对用户生成新的接入策略，不同级别QoS信息对应的用户分别对应不同的接入策略，例如QoS级别高的用户对应上述信号等级强的区域的接入策略(覆盖半径R1)，QoS级别低的用户对应上述信号等级低的区域的接入策略(覆盖半径R3)，QoS级别位于高低之间的用户对应上述信号等级中的区域的接入策略(覆盖半径R2)。Specifically, the ANDSF device generates a new access policy for the user according to the QoS information of the user or the QoS information of the service subscribed by the user, and the users corresponding to different levels of QoS information respectively correspond to different access policies, for example, the user with a high QoS level corresponds to the above. The access policy of the area with strong signal level (covering radius R1), the user with low QoS level corresponds to the access policy of the area with low signal level (covering radius R3), and the user with the QoS level between high and low corresponds to the above signal level. Access policy for the zone (covering radius R2).
进一步的，若ANDSF设备获取的是用户的QoS信息，则对QoS高于预设值的用户生成新的接入策略，例如生成上述信号等级强的区域的接入策略；若ANDSF设备获取的是用户订购的业务的QoS信息，则对QoS高于预设值的业务所对应的用户生成新的接入策略，例如生成上述信号等级强的区域的接入策略。其中，步骤410中的预设值可以根据QoS信息的具体内容灵活确定，例如QoS信息为服务等级，则预设值可以为预设的服务等级。Further, if the ANDSF device acquires the QoS information of the user, a new access policy is generated for the user whose QoS is higher than the preset value, for example, an access policy of the region with the strong signal level is generated; if the ANDSF device acquires The QoS information of the service subscribed by the user generates a new access policy for the user corresponding to the service whose QoS is higher than the preset value, for example, the access policy of the area with the strong signal level. The preset value in step 410 can be flexibly determined according to the specific content of the QoS information. For example, if the QoS information is a service level, the preset value may be a preset service level.
步骤411、ANDSF设备向用户对应的移动终端发送生成的接入策略。Step 411: The ANDSF device sends the generated access policy to the mobile terminal corresponding to the user.
具体的，ANDSF将步骤410中生成的接入策略向用户对应的移动终端发送，进而移动终端根据接收到的接入策略更新本地保存的接入策略，即执行步骤412。Specifically, the ANDSF sends the access policy generated in step 410 to the mobile terminal corresponding to the user, and the mobile terminal updates the locally saved access policy according to the received access policy, that is, step 412 is performed.
需要说明的是，上述ANDSF设备可以集成执行上述数据分析功能的模块，还可以由ANDSF设备通过外部接口将移动终端发送的位置信息和信号状态发送给外部的数据分析平台，由数据分析平台进行上述数据分析功能。It should be noted that the foregoing ANDSF device may integrate the module for performing the foregoing data analysis function, and the ANDSF device may send the location information and the signal state sent by the mobile terminal to the external data analysis platform through the external interface, and the data analysis platform performs the above. Data analysis function.
参见图5，图5是本发明实施例四提供的ANDSF设备的功能模块图。Referring to FIG. 5, FIG. 5 is a functional block diagram of an ANDSF device according to Embodiment 4 of the present invention.
如图所示，本发明实施例提供的ANDSF设备主要包括：As shown in the figure, the ANDSF device provided by the embodiment of the present invention mainly includes:
消息发送单元510，用于向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件，其中，信号状态上报条件包括信号状态门限值。消息发送单元510具体发送通知消息的步骤详情参见上述实施例中步骤301或403的描述。The message sending unit 510 is configured to send a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition, where the signal status reporting condition includes a signal status threshold. For details of the steps in which the message transmitting unit 510 specifically transmits the notification message, refer to the description of step 301 or 403 in the above embodiment.
消息接收单元520，用于接收所述移动终端发送的当前接入网络的信号状态和所述移动终端的位置信息。其中，终端的位置信息可以为终端的经纬度。The message receiving unit 520 is configured to receive a signal state of a current access network and location information of the mobile terminal that are sent by the mobile terminal. The location information of the terminal may be the latitude and longitude of the terminal.
策略生成单元530，用于根据所述信号状态和移动终端的位置信息生成接入策略；策略生成单元530具体生成接入策略的步骤详情参见上述实施例中步骤305或407-410的描述。The policy generating unit 530 is configured to generate an access policy according to the signal state and the location information of the mobile terminal. For details of the step of the policy generating unit 530 specifically generating the access policy, refer to the description of step 305 or 407-410 in the foregoing embodiment.
所述消息发送单元510还用于向所述移动终端发送所述策略生成单元530生成的接入策略。The message sending unit 510 is further configured to send the access policy generated by the policy generating unit 530 to the mobile terminal.
在本发明实施例提供的ANDSF设备可以应用在前述对应的实施例二和三中。其中，消 息发送单元510向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件，进而移动终端在检测到的信号状态满足上报条件时，向ANDSF设备上报当前接入的网络的信号状态和所述移动终端的位置信息。ANDSF设备中的策略生成单元530根据所述信号状态和移动终端的位置信息对所述移动终端对应的用户生成新的接入策略并向所述移动终端发送。与现有技术中ANDSF设备仅仅根据固定的网络覆盖生成接入策略相比，本发明实施例中ANDSF设备结合移动终端所在位置的信号状态生成接入策略对终端进行接入，可以准确根据网络的覆盖情况为移动终端选择合适的接入网络，移动终端的接入效率较高。The ANDSF device provided in the embodiment of the present invention can be applied to the foregoing corresponding embodiments 2 and 3. Among them, The information sending unit 510 sends a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition, and the mobile terminal reports the currently accessed network to the ANDSF device when the detected signal status satisfies the reporting condition. Signal status and location information of the mobile terminal. The policy generation unit 530 in the ANDSF device generates a new access policy for the user corresponding to the mobile terminal according to the signal state and the location information of the mobile terminal, and transmits the new access policy to the mobile terminal. Compared with the prior art, the ANDSF device generates an access policy according to the fixed network coverage. In the embodiment of the present invention, the ANDSF device generates an access policy according to the signal state of the location of the mobile terminal, and can access the terminal accurately, according to the network. The coverage situation is that the mobile terminal selects an appropriate access network, and the access efficiency of the mobile terminal is high.
进一步的，ANDSF设备中的所述策略生成单元530根据信号状态和移动终端的位置信息生成接入策略包括：Further, the policy generating unit 530 in the ANDSF device generates an access policy according to the signal state and the location information of the mobile terminal, including:
根据所述信号状态和移动终端的位置信息确定所述移动终端的接入方式或接入方式的优先级，然后对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述确定的接入方式或接入方式的优先级。上述生成接入策略的方法可以针对单独的用户，即对每个用户独立调整接入策略，实现单用户粒度的接入策略调整。Determining, according to the signal state and the location information of the mobile terminal, the priority of the access mode or the access mode of the mobile terminal, and then generating an access policy for the user corresponding to the mobile terminal, where the access policy carries The priority of the determined access mode or access mode. The foregoing method for generating an access policy may be directed to an individual user, that is, an access policy is independently adjusted for each user, and an access policy adjustment of a single user granularity is implemented.
可选的，ANDSF设备中的策略生成单元530根据信号状态和移动终端的位置信息生成接入策略包括：Optionally, the policy generating unit 530 in the ANDSF device generates the access policy according to the signal state and the location information of the mobile terminal, including:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；对所述移动终端对应的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。上述生成的接入策略可以应用于接入网络覆盖范围内所有的用户，覆盖范围更广。相对于现有技术中固定的网络覆盖范围，本发明实施例可以准确获取网络的实际覆盖范围，从而对用户提供高效的接入策略。And determining, according to the signal state and the location information of the mobile terminal, the coverage of the access network, and generating an access policy for the user corresponding to the mobile terminal, where the access policy carries the coverage of the access network. The above generated access policy can be applied to all users in the coverage of the access network, and the coverage is wider. Compared with the fixed network coverage in the prior art, the embodiment of the present invention can accurately obtain the actual coverage of the network, thereby providing an efficient access policy for the user.
可选的，ANDSF设备中的策略生成单元530根据信号状态和移动终端的位置信息生成接入策略包括：Optionally, the policy generating unit 530 in the ANDSF device generates the access policy according to the signal state and the location information of the mobile terminal, including:
根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；获取所述接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息；对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。相对于只根据移动终端的位置信息和信号状态来生成接入策略，本实施例中结合了用户的QoS信息或用户订购的业务的QoS信息，可以更准确的根据具体用户的QoS信息的高低调整用户的接入策略，提高接入效率。Determining a coverage of the access network according to the signal state and location information of the mobile terminal; acquiring QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user; The user whose QoS information is higher than the preset value generates an access policy, where the access policy carries the coverage of the access network. The access policy is generated according to the location information and the signal state of the mobile terminal. In this embodiment, the QoS information of the user or the QoS information of the service subscribed by the user is combined, which can be more accurately adjusted according to the QoS information of the specific user. User access policy to improve access efficiency.
需要说明的是，上述消息发送单元510、消息接收单元520、策略生成单元530执行各自对应的动作可以通过实施例一提供的ANDSF设备中的处理器201执行存储器202中存储的可执行代码来实现，具体执行过程参见上述实施例一的相关描述。It should be noted that the above-mentioned message sending unit 510, the message receiving unit 520, and the policy generating unit 530 perform respective corresponding actions, which can be implemented by executing the executable code stored in the memory 202 by the processor 201 in the ANDSF device provided in the first embodiment. For the specific execution process, refer to the related description of Embodiment 1 above.
本领域普通技术人员将会理解，本发明的各个方面、或各个方面的可能实现方式可以被具体实施为***、方法或者计算机程序产品。因此，本发明的各方面、或各个方面的可 能实现方式可以采用完全硬件实施例、完全软件实施例(包括固件、驻留软件等等)，或者组合软件和硬件方面的实施例的形式，在这里都统称为“电路”、“模块”或者“***”。此外，本发明的各方面、或各个方面的可能实现方式可以采用计算机程序产品的形式，计算机程序产品是指存储在计算机可读介质中的计算机可读程序代码。Those of ordinary skill in the art will appreciate that various aspects of the present invention, or possible implementations of various aspects, may be embodied as a system, method, or computer program product. Thus, aspects of the invention, or aspects of the invention are The manner of implementation may be in the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, etc.), or a combination of software and hardware aspects, collectively referred to herein as "circuits", "modules" or "system". Furthermore, aspects of the invention, or possible implementations of various aspects, may take the form of a computer program product, which is a computer readable program code stored in a computer readable medium.
计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质包含但不限于电子、磁性、光学、电磁、红外或半导体***、设备或者装置，或者前述的任意适当组合，如随机存取存储器(RAM)、只读存储器(ROM)、可擦除可编程只读存储器(EPROM或者快闪存储器)、光纤、便携式只读存储器(CD-ROM)。The computer readable medium can be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium includes, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing, such as random access memory (RAM), read only memory (ROM), Erase programmable read-only memory (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
计算机中的处理器读取存储在计算机可读介质中的计算机可读程序代码，使得处理器能够执行在流程图中每个步骤、或各步骤的组合中规定的功能动作；生成实施在框图的每一块、或各块的组合中规定的功能动作的装置。The processor in the computer reads the computer readable program code stored in the computer readable medium such that the processor is capable of performing the various functional steps specified in each step of the flowchart, or a combination of steps; A device that functions as specified in each block, or combination of blocks.
计算机可读程序代码可以完全在用户的计算机上执行、部分在用户的计算机上执行、作为单独的软件包、部分在用户的计算机上并且部分在远程计算机上，或者完全在远程计算机或者服务器上执行。也应该注意，在某些替代实施方案中，在流程图中各步骤、或框图中各块所注明的功能可能不按图中注明的顺序发生。例如，依赖于所涉及的功能，接连示出的两个步骤、或两个块实际上可能被大致同时执行，或者这些块有时候可能被以相反顺序执行。The computer readable program code can execute entirely on the user's computer, partly on the user's computer, as a separate software package, partly on the user's computer and partly on the remote computer, or entirely on the remote computer or server. . It should also be noted that in some alternative implementations, the functions noted in the various steps in the flowcharts or in the blocks in the block diagrams may not occur in the order noted. For example, two steps, or two blocks, shown in succession may be executed substantially concurrently or the blocks may be executed in the reverse order.
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。 The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims (11)

  1. 一种接入网络的方法，应用于接入网络发现和选择功能ANDSF设备，其特征在于，包括：A method for accessing a network, which is applied to an access network discovery and selection function ANDSF device, and is characterized in that:
    向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件；Sending a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition;
    接收所述移动终端发送的当前接入网络的信号状态和所述移动终端的位置信息；Receiving, by the mobile terminal, a signal state of a current access network and location information of the mobile terminal;
    根据所述信号状态和移动终端的位置信息生成接入策略并向所述移动终端发送所述接入策略。And generating an access policy according to the signal state and location information of the mobile terminal, and sending the access policy to the mobile terminal.
  2. 根据权利要求1所述的方法，其特征在于，所述根据信号状态和移动终端的位置信息生成接入策略包括：The method according to claim 1, wherein the generating an access policy according to the signal state and the location information of the mobile terminal comprises:
    根据所述信号状态和移动终端的位置信息确定所述移动终端的接入方式或接入方式的优先级；Determining a priority of an access mode or an access mode of the mobile terminal according to the signal state and location information of the mobile terminal;
    生成接入策略，所述接入策略中携带所述确定的接入方式或接入方式的优先级。An access policy is generated, where the access policy carries the priority of the determined access mode or access mode.
  3. 根据权利要求1所述的方法，其特征在于，所述根据信号状态和移动终端的位置信息生成接入策略包括：The method according to claim 1, wherein the generating an access policy according to the signal state and the location information of the mobile terminal comprises:
    根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
    生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。An access policy is generated, where the access policy carries the coverage of the access network.
  4. 根据权利要求1所述的方法，其特征在于，所述根据信号状态和移动终端的位置信息生成接入策略包括：The method according to claim 1, wherein the generating an access policy according to the signal state and the location information of the mobile terminal comprises:
    根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
    获取所述接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息；Obtaining QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user;
    对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。An access policy is generated for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
  5. 根据权利要求1到4任一项所述的方法，其特征在于，所述信号状态上报条件包括信号状态门限值。The method according to any one of claims 1 to 4, wherein the signal state reporting condition comprises a signal state threshold.
  6. 根据权利要求1到4任一项所述的方法，其特征在于，所述根据信号状态和移动终端的位置信息确定所述接入网络的覆盖范围包括：The method according to any one of claims 1 to 4, wherein the determining the coverage of the access network according to the signal state and the location information of the mobile terminal comprises:
    在接收到预定数量的移动终端发送的信号状态和位置信息之后，根据接收到的信号状态和移动终端的位置信息确定所述接入网络的覆盖范围。After receiving the signal state and location information sent by the predetermined number of mobile terminals, the coverage of the access network is determined according to the received signal state and the location information of the mobile terminal.
  7. 一种ANDSF设备，其特征在于，包括：An ANDSF device, comprising:
    消息发送单元，用于向接入网络的移动终端发送通知消息，所述通知消息中携带信号状态上报条件； a message sending unit, configured to send a notification message to the mobile terminal accessing the network, where the notification message carries a signal status reporting condition;
    消息接收单元，用于接收所述移动终端发送的当前接入网络的信号状态和所述移动终端的位置信息；a message receiving unit, configured to receive a signal state of a current access network and location information of the mobile terminal that are sent by the mobile terminal;
    策略生成单元，用于根据所述信号状态和移动终端的位置信息生成接入策略；a policy generating unit, configured to generate an access policy according to the signal state and location information of the mobile terminal;
    所述消息发送单元还用于向所述移动终端发送所述接入策略。The message sending unit is further configured to send the access policy to the mobile terminal.
  8. 根据权利要求7所述的ANDSF设备，其特征在于，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：The ANDSF device according to claim 7, wherein the policy generating unit generates an access policy according to the signal state and the location information of the mobile terminal, including:
    根据所述信号状态和移动终端的位置信息确定所述移动终端的接入方式或接入方式的优先级；Determining a priority of an access mode or an access mode of the mobile terminal according to the signal state and location information of the mobile terminal;
    生成接入策略，所述接入策略中携带所述确定的接入方式或接入方式的优先级。An access policy is generated, where the access policy carries the priority of the determined access mode or access mode.
  9. 根据权利要求7所述的ANDSF设备，其特征在于，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：The ANDSF device according to claim 7, wherein the policy generating unit generates an access policy according to the signal state and the location information of the mobile terminal, including:
    根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
    生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。An access policy is generated, where the access policy carries the coverage of the access network.
  10. 根据权利要求7所述的ANDSF设备，其特征在于，所述策略生成单元根据信号状态和移动终端的位置信息生成接入策略包括：The ANDSF device according to claim 7, wherein the policy generating unit generates an access policy according to the signal state and the location information of the mobile terminal, including:
    根据所述信号状态和移动终端的位置信息确定所述接入网络的覆盖范围；Determining a coverage of the access network according to the signal state and location information of the mobile terminal;
    获取所述接入网络的覆盖范围内所有移动终端对应的用户的QoS信息或用户订购的业务的QoS信息；Obtaining QoS information of a user corresponding to all mobile terminals in the coverage of the access network or QoS information of a service subscribed by the user;
    对所述QoS信息高于预设值的用户生成接入策略，所述接入策略中携带所述接入网络的覆盖范围。An access policy is generated for the user whose QoS information is higher than a preset value, where the access policy carries the coverage of the access network.
  11. 根据权利要求7-9任一项所述的ANDSF设备，其特征在于，所述信号状态上报条件包括信号状态门限值。 The ANDSF device according to any one of claims 7-9, wherein the signal state reporting condition comprises a signal state threshold.
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