WO2017152433A1 - 用于实现用户设备在无线接入点间切换的方法与设备 - Google Patents

用于实现用户设备在无线接入点间切换的方法与设备 Download PDF

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Publication number
WO2017152433A1
WO2017152433A1 PCT/CN2016/076947 CN2016076947W WO2017152433A1 WO 2017152433 A1 WO2017152433 A1 WO 2017152433A1 CN 2016076947 W CN2016076947 W CN 2016076947W WO 2017152433 A1 WO2017152433 A1 WO 2017152433A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
access point
wireless access
information
target wireless
Prior art date
Application number
PCT/CN2016/076947
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English (en)
French (fr)
Inventor
顾正相
Original Assignee
上海连尚网络科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 上海连尚网络科技有限公司 filed Critical 上海连尚网络科技有限公司
Priority to MYPI2018001534A priority Critical patent/MY188241A/en
Publication of WO2017152433A1 publication Critical patent/WO2017152433A1/zh
Priority to US16/126,184 priority patent/US10728813B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of computers, and in particular, to a technology for implementing handover of a user equipment between wireless access points.
  • the purpose of the application is to provide a method, device and system for implementing handover of a user equipment between wireless access points.
  • a method for implementing handover of a user equipment between wireless access points is provided on a network device side, where the method includes:
  • a method for implementing user equipment switching between wireless access points is further provided on a user equipment side, where the method includes:
  • a network device for implementing handover of a user equipment between wireless access points includes:
  • a first device configured to acquire a target wireless access point corresponding to the user equipment to be switched
  • a second device configured to determine access information corresponding to the target wireless access point
  • a third device configured to send the access information to the user equipment by using a current network connection between the user equipment and a current wireless access point, so that the user equipment establishes a wireless connection with the target device Incoming wireless connection.
  • a user equipment for implementing handover of a user equipment between wireless access points includes:
  • a sixth device configured to receive, by using a current network connection between the user equipment and the current wireless access point, access information corresponding to the target wireless access point that is sent by the user equipment to be switched by the user equipment;
  • a seventh device configured to establish, according to the access information, a wireless connection between the user equipment and the target wireless access point.
  • a system for implementing handover of a user equipment between wireless access points includes the network for implementing handover of a user equipment between wireless access points.
  • the device and the user equipment for implementing user equipment switching between wireless access points are further provided.
  • the present application obtains a target wireless access point to be switched by the corresponding user equipment on the network device, and determines access information corresponding to the target wireless access point, and then corresponds to the user equipment through the user equipment.
  • the current network connection between the current wireless access points, the access information is sent to the user equipment, for the user equipment to establish a wireless connection with the target wireless access point, and correspondingly, the user equipment receives the Accessing information and establishing a wireless connection with the target wireless access point based on the access information.
  • automatic switching between the currently connected wireless access point and the target wireless access point is implemented, and the access information is pre-transmitted by using the current network connection between the user equipment and the current wireless access point.
  • the switching efficiency is improved, so that the user can automatically switch the wireless access point when using the wireless access point, especially during the mobile process.
  • the solution not only greatly reduces the power consumption of the user equipment, but also does not need to improve each wireless access point.
  • the feasibility of the implementation of the scheme is ensured; and, due to factors such as security or privacy, a wireless access point usually cannot obtain access information of other users' wireless access points, and the solution helps through network devices.
  • the user equipment obtains the access information of the target wireless access point, which avoids the security risks and expands the scope of application of the solution.
  • the application may further detect whether the user equipment includes the access information, and when the user equipment does not include the access information, the current network connection between the user equipment and a corresponding current wireless access point is performed. Sending the access information to the user equipment, where the user equipment establishes a wireless connection with the target wireless access point, where the access information includes any one of the following: the target wireless connection The access password information corresponding to the entry point; the access token information corresponding to the target wireless access point; and the executable connection module information corresponding to the target wireless access point. In this way, the load of the network device data transmission can be reduced. For example, when the user equipment includes the access information, the network device does not need to send the access information again.
  • the solution ensures that the user equipment needs to obtain the corresponding access information when establishing a connection with the target wireless access point by detecting whether the user equipment includes the access information of the target wireless access point in advance, without the user equipment requesting to obtain the access information again.
  • the access information is used to effectively eliminate the delay of requesting access information, improve the efficiency of establishing a wireless connection, and save the time for establishing a connection, so as to realize the wireless access point switching of the user without perception.
  • the application may
  • the hotspot is switched after the current communication activity is completed, thereby avoiding interrupting the ongoing communication activity and the user perceiving the hotspot switching, thereby improving communication efficiency and improving the user experience.
  • FIG. 1 shows a flow chart of a method for implementing handover of a user equipment between wireless access points according to an aspect of the present application
  • FIG. 2 is a flowchart of a method for implementing handover of a user equipment between wireless access points according to a preferred embodiment of the present application
  • FIG. 3 is a schematic diagram of an apparatus for implementing handover of a user equipment between wireless access points according to another aspect of the present application
  • FIG. 4 is a schematic diagram of an apparatus for implementing handover of a user equipment between wireless access points according to another preferred embodiment of the present application.
  • the terminal, the device of the service network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
  • processors CPUs
  • input/output interfaces network interfaces
  • memory volatile and non-volatile memory
  • the memory may include non-persistent memory, random access memory (RAM), and/or non-volatile memory in a computer readable medium, such as read only memory (ROM) or flash memory.
  • RAM random access memory
  • ROM read only memory
  • Memory is an example of a computer readable medium.
  • Computer readable media includes both permanent and non-persistent, removable and non-removable media.
  • Information storage can be implemented by any method or technology.
  • the information can be computer readable instructions, data structures, modules of programs, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage,
  • computer readable media does not include non-transitory computer readable media, such as modulated data signals and carrier waves.
  • FIG. 1 shows an implementation of an aspect of the present application at a network device end and a user equipment end.
  • the network device 1 and the user equipment 2 cooperate with each other to complete handover of the user equipment between wireless access points.
  • the network device 1 is independent of the user equipment 2 and a wireless access point.
  • the network device 1 includes, but is not limited to, a computer, a network host, a single network server, a plurality of network server sets, or a plurality of servers; here, the cloud is composed of a large number of computers or networks based on Cloud Computing. Server composition, in which cloud computing is a type of distributed computing, a virtual supercomputer consisting of a group of loosely coupled computers.
  • the network device 1 correspondingly stores related information of a large number of wireless access points;
  • the user equipment 2 includes various intelligent terminals capable of implementing a wireless network connection function, such as a smart phone, a tablet computer, etc.
  • the intelligent terminal can adopt any operating system, such as an android operating system and an iOS operating system.
  • step S1 the network device 1 acquires a target wireless access point to be switched by the corresponding user equipment 2; in step S2, the network device 1 determines access information corresponding to the target wireless access point; In step S3, the network device 1 sends the access information to the user equipment 2 through the current network connection between the user equipment 2 and the current wireless access point, for the user equipment 2 to establish. a wireless connection with the target wireless access point; correspondingly, in step S3, the user equipment 2 receives the user equipment 2 to be switched by the corresponding network device 1 through a current network connection with the current wireless access point.
  • the access information corresponding to the target wireless access point in the step S4, establishing a wireless connection between the user equipment 2 and the target wireless access point according to the access information.
  • the network device 1 acquires a target wireless access point corresponding to the user equipment 2 to be switched, wherein the wireless access point is an access point of a corresponding wireless network, and the wireless
  • the network includes, but is not limited to, a wireless local area network based on the IEEE 802.11 series standard protocol, for example, a wireless local area network based on the IEEE 802.11b protocol, that is, a so-called WiFi network, and the user equipment 2 can access the corresponding access point through the wireless access point.
  • Wireless network refers to a wireless access point to be switched by the user equipment 2.
  • the network device 1 acquires a target wireless access point corresponding to the user equipment 2 to be switched, and obtains a target wireless access point to be switched based on the related information of the user equipment 2 and based on a preset rule.
  • the step S1 includes: according to the corresponding user equipment 2
  • the mobile-related information determines the target wireless access point to be switched.
  • the target wireless access point to be switched is changed according to the mobile-related information of the user equipment 2, and those skilled in the art can understand that the wireless access point is It is deployed in different geographical locations. Therefore, the target wireless access point to be switched is determined according to the geographic location where the user equipment 2 is finally moved to which wireless access point.
  • the movement related information includes: moving direction information of the user equipment 2; moving speed information of the user equipment 2; current location information of the user equipment 2; location of the current wireless access point information.
  • moving direction information of the user equipment 2 and according to the current location information of the user equipment 2 and the location information of the current wireless access point, a plurality of possible movement directions in the user equipment 2 may be switched to The wireless access point, and the wireless access point closest to the user equipment 2 as the optimal switching wireless access point, to ensure that the wireless access point can be switched in time.
  • the method further includes: S5 determining handover time information corresponding to the target wireless access point, where the step S3 includes: using a current network between the user equipment and a corresponding current wireless access point And connecting, by the user equipment, the access information and the switching time information to the user equipment, so that the user equipment establishes a wireless connection with the target wireless access point according to the switching time information.
  • the network device 1 determines the switching time information corresponding to the target wireless access point, where the switching time information is used to trigger the user equipment 2 to switch to the target wireless access point.
  • the step S5 includes: determining handover time information corresponding to the target wireless access point according to the coverage area information of the target wireless access point and the mobility related information.
  • the distance that the user equipment 2 enters the coverage area of the target wireless access point may be determined according to the moving direction information of the user equipment 2, the current location information of the user equipment 2, and the coverage area information of the target wireless access point. And determining, according to the distance information and the moving speed information of the user equipment 2, switching time information corresponding to the target wireless access point.
  • the step S3 includes: sending, by using the current network connection between the user equipment 2 and the current wireless access point, the access information and the switching time information to the user equipment 2, for providing The user equipment is established according to the switching time information Wireless connection of the target wireless access point.
  • the network device 1 determines the access information corresponding to the target wireless access point, and those skilled in the art can understand that the network device 1 stores a large amount of wireless.
  • the access point and its corresponding access information can be searched for in the database corresponding to the network device 1 by the determined target wireless access point to find the access information corresponding to the target wireless access point.
  • the network device 1 sends the access information to the user equipment by using the current network connection between the user equipment 2 and the current wireless access point. 2, for the user equipment 2 to establish a wireless connection with the target wireless access point, and correspondingly, the user equipment 2 receives the access information. Specifically, before switching to the target wireless access point, the information interaction between the network device 1 and the user equipment 2 is through the current network connection between the user equipment 2 and the corresponding current wireless access point, and based on the current network connection.
  • the communication protocol is implemented.
  • the access information includes any one of the following: access password information corresponding to the target wireless access point; access token information corresponding to the target wireless access point; and the target wireless connection
  • the executable connection module information corresponding to the entry point.
  • the access information is used to establish a wireless connection with a corresponding target wireless access point, and those skilled in the art should understand that different access points may be corresponding to different access points, where different The access mode corresponds to different executable connection module information, and the executable connection module information determines that the access mode of the wireless access point is based on password verification, token verification, or other verification methods.
  • the network device 1 When the executable connection module does not exist on the user equipment 2, the network device 1 needs to provide executable connection module information corresponding to the target wireless access point and its corresponding access information; when the user equipment 2 already exists When performing the connection module information, the network device 1 only needs to provide access information corresponding to the target wireless access point, such as access password information, access token information, or other access information corresponding to the authentication mode, for example,
  • the wireless access point authenticated by the password can be connected through the corresponding access password information, wherein the access password information can include password information or account number and password information, etc.; for example, for a token-based wireless access point, such as Some operators' hotspots, etc., may be connected based on the corresponding token information, or may be connected based on the mobile phone number and the dynamic verification code information.
  • the method further includes: the network device 1 detecting whether the user equipment 2 includes the access information; wherein the step S3 comprises: when the user equipment does not include the access information, Determining a current network connection between the user equipment and the current wireless access point, and transmitting the access information to the user equipment, so that the user equipment establishes a wireless connection with the target wireless access point.
  • the network device 1 stores historical information about establishing a connection between the mass user equipment and the wireless access point. Therefore, the access information about the wireless access point establishing the connection with the user equipment 2 can be obtained from the history information. .
  • the network device 1 detects whether the user equipment 2 includes the access information, and searches for the user equipment 2 and the access by searching in a history information database corresponding to the network device 1.
  • the target wireless hotspot corresponding to the information is connected.
  • the search and match search may be performed according to the device number corresponding to the user equipment 2 and the name information of the target wireless access point, if the user equipment 2 and the target wireless access point are previously established.
  • the user equipment 2 includes the access information of the target access point.
  • the network device 1 sends the access information to the office through the current network connection between the user equipment 2 and the current wireless access point. User equipment 2 is described.
  • step S4 the user equipment 2 establishes a wireless connection between the user equipment 2 and the target wireless access point according to the access information, specifically, the user equipment 2 receives After the access information is sent by the network device 1, the wireless connection with the target wireless access point is implemented according to the access mode corresponding to the access information. For example, if the executable connection module information corresponding to the target wireless access point already exists on the user equipment 2, the user equipment 2 automatically loads the received access information into a corresponding location according to a preset protocol rule to implement a wireless connection of the target wireless access point; if the executable connection module information corresponding to the target wireless access point does not exist on the user equipment 2, the user equipment 2 needs to automatically load the executable connection module information to achieve the target wireless access Point wireless connection.
  • the step S4 includes: if there is a communication activity via the current communication connection in the user equipment, waiting for the communication activity to be completed or stopped, according to the access letter Establishing a wireless connection between the user equipment and the target wireless access point.
  • the communication activity includes all information transmission activities performed by the user through the established wireless connection, for example, video caching, mail sending, image opening, page opening or image uploading, etc., wherein the application can be completed in the communication activity. Or after stopping, establish a wireless connection with the target wireless access point.
  • the implementation manner of not interrupting the current communication activity of the user equipment 2 can be implemented by a VPN (virtual private network) server, and the server allocates a virtual IP to the user equipment 2 to ensure the user equipment 2
  • the communication activity is not interrupted, and the network device 1 selects the target wireless access point to be switched for the user equipment 2 according to the current communication activity of the user equipment 2, for example, if the user equipment 2 is performing communication activities with higher bandwidth requirements,
  • the network device 1 will preferably use a target wireless access point with a larger bandwidth. If the user equipment 2 is using an application with high security requirements such as online banking, the network device 1 will preferably select a target wireless access point with higher security. .
  • the method further includes: S5' user equipment 2 detecting whether a trigger condition for switching to the target wireless access point is satisfied;
  • the step S4 ′′ includes: when the trigger condition is met, the user equipment 2 establishes a wireless connection between the user equipment 2 and the target wireless access point according to the access information.
  • the user equipment 2 detects whether the trigger condition for switching to the target wireless access point is met, wherein the trigger condition is used to trigger the user equipment 2 to switch to the target wireless access point, for example If the signal strength of the current wireless access point is weak or the signal strength of the target wireless access point is sufficient to establish a wireless connection, the user equipment 2 may be triggered to switch to the target wireless access point.
  • the triggering condition includes at least one of the following: a signal strength of the target wireless access point is equal to or greater than a predetermined first signal strength threshold; a signal strength of the current wireless access point is equal to or less than a predetermined one. a second signal strength threshold; the signal strength of the target wireless access point is equal to or greater than the signal strength of the current wireless access point; the switching time information corresponding to the access information is met; and the user equipment receives the The access information.
  • the triggering condition for triggering the user equipment 2 to establish a wireless connection with the target wireless access point includes at least one of the following: (1) the signal strength of the target wireless access point is equal to or greater than a predetermined one. a first signal strength threshold, wherein the first signal strength threshold is a signal strength minimum suitable for establishing a wireless connection with the wireless access point, the minimum value being preset, when the user equipment 2 detects the When the signal strength of the target wireless access point is equal to or greater than a predetermined first signal strength threshold, establishing a wireless connection with the target wireless access point; (2) the signal strength of the current wireless access point is equal to or less than a predetermined a second signal strength threshold, wherein the second signal strength threshold is a signal strength maximum that is not suitable for establishing a wireless connection with the wireless access point, and the maximum value is also preset, when the user equipment 2 detects the When the signal strength of the current wireless access point is equal to or less than a predetermined second signal strength threshold, the user equipment 2 switches to the target wireless access point; (3)
  • the user equipment 2 needs to detect the signal strength of the current and target wireless access points, when the target wireless access point When the strength of the number is equal to or greater than the signal strength of the current wireless access point, indicating that the target wireless access point is more suitable for establishing a wireless connection, and therefore, may serve as the trigger condition; (4) satisfying the access information.
  • Corresponding switching time information in which case the user equipment 2 has received the switching time corresponding to the access information calculated by the network device 1, when the user equipment 2 detects that the switching time is met.
  • the user equipment 2 is triggered to establish a wireless connection with the target wireless access point; (5) the user equipment 2 receives the access information, and those skilled in the art can understand that the access can be calculated by the network device 1
  • the switching time corresponding to the information is monitored by the network device 1.
  • the network device 1 sends the access information to the user equipment 2, so that the user equipment 2 and the target wireless access point are established.
  • Wireless connection; or, the network device 1 and the user equipment 2 agree on the handover time in advance, and switch to the target wireless access point after the agreed handover time after the user equipment 2 receives the access information.
  • the present application obtains a target wireless access point to be switched by the corresponding user equipment on the network device, and determines access information corresponding to the target wireless access point, and then corresponds to the user equipment through the user equipment.
  • the current network connection between the current wireless access points, the access information is sent to the user equipment, for the user equipment to establish a wireless connection with the target wireless access point, and correspondingly, the user equipment receives the Accessing information and establishing a wireless connection with the target wireless access point based on the access information.
  • automatic switching between the currently connected wireless access point and the target wireless access point is implemented, and the access information is pre-transmitted by using the current network connection between the user equipment and the current wireless access point.
  • the automatic switching of the wireless access point can also be realized.
  • the solution not only greatly reduces the power consumption of the user equipment, but also does not need to improve each wireless access point.
  • the feasibility of the implementation of the scheme is ensured; and, due to factors such as security or privacy, a wireless access point usually cannot obtain access information of other users' wireless access points, and the solution helps through network devices.
  • the user equipment obtains the access information of the target wireless access point, which avoids the security risks and expands the scope of application of the solution.
  • the application may further detect whether the user equipment includes the access information, and when the user equipment does not include the access information, the current network connection between the user equipment and a corresponding current wireless access point is performed. Sending the access information to the user equipment, where the user equipment establishes a wireless connection with the target wireless access point, where the access information includes any one of the following: the target wireless connection The access password information corresponding to the entry point; the access token information corresponding to the target wireless access point; and the executable connection module information corresponding to the target wireless access point. In this way, the load of the network device data transmission can be reduced. For example, when the user equipment includes the access information, the network device does not need to send the access information again.
  • the solution ensures that the user equipment needs to obtain the corresponding access information when establishing a connection with the target wireless access point by detecting whether the user equipment includes the access information of the target wireless access point in advance, without the user equipment requesting to obtain the access information again.
  • the access information is used to effectively eliminate the delay of requesting access information, improve the efficiency of establishing a wireless connection, and save the time for establishing a connection, so as to realize the wireless access point switching of the user without perception.
  • the application may
  • the hotspot is switched after the current communication activity is completed, thereby avoiding interrupting the ongoing communication activity and the user perceiving the hotspot switching, thereby improving communication efficiency and improving the user experience.
  • FIG. 3 is a schematic diagram of a device for implementing user equipment switching between wireless access points on a network device end and a user equipment end according to an aspect of the present application.
  • the network device 1 and the user equipment 2 cooperate with each other to complete handover of the user equipment between wireless access points.
  • the network device 1 includes, but is not limited to, a computer, a network host, a single network server, a plurality of network server sets, or a plurality of servers; here, the cloud is composed of a large number of computers or networks based on Cloud Computing. Server composition, in which cloud computing is a type of distributed computing, a virtual supercomputer consisting of a group of loosely coupled computers.
  • the network device 1 correspondingly stores related information of a large number of wireless access points;
  • the user equipment 2 includes various intelligent terminals capable of implementing a wireless network connection function, such as a smart phone, a tablet computer, etc.
  • the intelligent terminal can adopt any operating system, such as an android operating system and an iOS operating system.
  • the first device of the network device 1 acquires a target wireless access point corresponding to the user equipment 2 to be switched; the second device of the network device 1 determines access information corresponding to the target wireless access point; The third device of the network device 1 sends the access information to the user equipment 2 through the current network connection between the user equipment 2 and the current wireless access point, so that the user equipment 2 establishes and a wireless connection of the target wireless access point; correspondingly, the sixth device of the user equipment 2 receives the user equipment 2 to be switched by the corresponding network device 1 by using a current network connection with the current wireless access point.
  • the access information corresponding to the target wireless access point; the seventh device of the user equipment 2 establishes a wireless connection between the user equipment 2 and the target wireless access point according to the access information.
  • the first device of the network device 1 acquires a target wireless access point corresponding to the user equipment 2 to be switched, wherein the wireless access point is an access point of a corresponding wireless network, and the wireless network Including, but not limited to, a wireless local area network based on the IEEE 802.11 series standard protocol, for example, a wireless local area network based on the IEEE 802.11b protocol, that is, a so-called WiFi network, the user equipment 2 can access the corresponding through the wireless access point.
  • wireless network a wireless local area network based on the IEEE 802.11 series standard protocol, for example, a wireless local area network based on the IEEE 802.11b protocol, that is, a so-called WiFi network
  • the target wireless access point refers to a wireless access point to be switched by the user equipment 2.
  • the network device 1 acquires a target wireless access point corresponding to the user equipment 2 to be switched, and obtains a target wireless access point to be switched based on the related information of the user equipment 2 and based on a preset rule.
  • the first device of the network device 1 is configured to: determine, according to the mobile related information of the corresponding user equipment 2, a target wireless access point to be switched, where the target wireless access point to be switched is
  • the mobile-related information of the user equipment 2 changes, and those skilled in the art can understand that the wireless access point is deployed in different geographical locations, and therefore, according to the user.
  • the device 2 eventually moves to the vicinity of the geographic location where the wireless access point is located to determine the target wireless access point to be switched.
  • the movement related information includes: moving direction information of the user equipment 2; moving speed information of the user equipment 2; current location information of the user equipment 2; location of the current wireless access point information.
  • moving direction information of the user equipment 2 and according to the current location information of the user equipment 2 and the location information of the current wireless access point, a plurality of possible movement directions in the user equipment 2 may be switched to The wireless access point, and the wireless access point closest to the user equipment 2 as the optimal switching wireless access point, to ensure that the wireless access point can be switched in time.
  • the network device 1 further includes: a fifth device, determining handover time information corresponding to the target wireless access point, where the third device is configured to: pass the user equipment and the corresponding current wireless a current network connection between the access points, the access information and the switching time information are sent to the user equipment, where the user equipment establishes with the target wireless access point according to the switching time information.
  • Wireless connections
  • the fifth device of the network device 1 determines the switching time information corresponding to the target wireless access point, where the switching time information is used to trigger the user equipment 2 to switch to the target wireless access point, preferably, The fifth device is configured to: determine, according to the coverage area information of the target wireless access point and the mobility related information, handover time information corresponding to the target wireless access point. Specifically, the distance that the user equipment 2 enters the coverage area of the target wireless access point may be determined according to the moving direction information of the user equipment 2, the current location information of the user equipment 2, and the coverage area information of the target wireless access point. And determining, according to the distance information and the moving speed information of the user equipment 2, switching time information corresponding to the target wireless access point.
  • the step S3 includes: sending, by using the current network connection between the user equipment 2 and the current wireless access point, the access information and the switching time information to the user equipment 2, for providing The user equipment establishes a wireless connection with the target wireless access point according to the switching time information.
  • the second device of the network device 1 determines the access information corresponding to the target wireless access point, and those skilled in the art can understand that the network device 1 stores A plurality of wireless access points and their corresponding access information, so that the determined target wireless access point can search for the access information corresponding to the target wireless access point in the database corresponding to the network device 1.
  • the third device of the network device 1 sends the access information to the user equipment 2 by using the current network connection between the user equipment 2 and the current wireless access point to
  • the user equipment 2 establishes a wireless connection with the target wireless access point, and correspondingly, the user equipment 2 receives the access information.
  • the information interaction between the network device 1 and the user equipment 2 is through the current network connection between the user equipment 2 and the corresponding current wireless access point, and based on the current network connection.
  • the communication protocol is implemented.
  • the access information includes any one of the following: access password information corresponding to the target wireless access point; access token information corresponding to the target wireless access point; and the target wireless connection
  • the executable connection module information corresponding to the entry point.
  • the access information is used to establish a wireless connection with a corresponding target wireless access point, and those skilled in the art should understand that different access points may be corresponding to different access points, where different The access mode corresponds to different executable connection module information, and the executable connection module information determines that the access mode of the wireless access point is based on password verification, token verification, or other verification methods.
  • the network device 1 When the executable connection module does not exist on the user equipment 2, the network device 1 needs to provide executable connection module information corresponding to the target wireless access point and its corresponding access information; when the user equipment 2 already exists When performing the connection module information, the network device 1 only needs to provide access information corresponding to the target wireless access point, such as access password information, access token information, or other access information corresponding to the authentication mode, for example,
  • the wireless access point authenticated by the password can be connected through the corresponding access password information, wherein the access password information can include password information or account number and password information, etc.; for example, for a token-based wireless access point, such as Some operators' hotspots, etc., may be connected based on the corresponding token information, or may be connected based on the mobile phone number and the dynamic verification code information.
  • the network device 1 further includes: a fourth device, configured to detect whether the user equipment 2 includes the access information, where the third device is configured to: when the user equipment does not include the access information, pass And the current network connection between the user equipment and the current wireless access point, and the access information is sent to the user equipment, so that the user equipment establishes a wireless connection with the target wireless access point.
  • the network device 1 stores historical information about establishing a connection between the mass user equipment and the wireless access point. Therefore, the access information about the wireless access point establishing the connection with the user equipment 2 can be obtained from the history information. .
  • the network device 1 detects whether the user equipment 2 includes the access information, and searches for the user equipment 2 and the access by searching in a history information database corresponding to the network device 1.
  • the target wireless hotspot corresponding to the information is connected.
  • the search and match search may be performed according to the device number corresponding to the user equipment 2 and the name information of the target wireless access point, if the user equipment 2 and the target wireless access point are previously established.
  • the user equipment 2 includes the access information of the target access point.
  • the third device of the network device 1 sends the access information to the user by using a current network connection between the user equipment 2 and a corresponding current wireless access point.
  • User equipment 2 is a current network connection between the user equipment 2 and a corresponding current wireless access point.
  • the seventh device of the user equipment 2 establishes a wireless connection between the user equipment 2 and the target wireless access point according to the access information, specifically, the user equipment 2 receives the network.
  • the wireless connection with the target wireless access point is implemented according to the access mode corresponding to the access information. For example, if the executable connection module information corresponding to the target wireless access point already exists on the user equipment 2, the seventh device of the user equipment 2 automatically loads the received access information according to a preset protocol rule to the corresponding Positioning to implement a wireless connection with the target wireless access point; if the executable connection module information corresponding to the target wireless access point does not exist on the user equipment 2, the seventh device of the user equipment 2 needs to automatically load the executable connection module. Information to enable wireless connectivity to the target wireless access point.
  • the seventh device is configured to: if the communication activity of the current communication connection exists in the user equipment 2, wait for the communication activity to be completed or stopped, and establish the according to the access information A wireless connection between the user equipment and the target wireless access point.
  • the communication activity includes all information transmission activities performed by the user through the established wireless connection, for example, video caching, mail sending, image opening, page opening or image uploading, etc., here, the application A wireless connection can be established with the target wireless access point after the communication activity is completed or stopped.
  • the implementation manner of not interrupting the current communication activity of the user equipment 2 can be implemented by a VPN (virtual private network) server, and the server allocates a virtual IP to the user equipment 2 to ensure the user equipment 2
  • the communication activity is not interrupted, and the network device 1 selects the target wireless access point to be switched for the user equipment 2 according to the current communication activity of the user equipment 2, for example, if the user equipment 2 is performing communication activities with higher bandwidth requirements,
  • the network device 1 will preferably use a target wireless access point with a larger bandwidth. If the user equipment 2 is using an application with high security requirements such as online banking, the network device 1 will preferably select a target wireless access point with higher security. .
  • the user equipment 2 further includes: an eighth device, where the eighth device of the user equipment 2 detects whether a trigger condition for switching to the target wireless access point is met;
  • the seventh device is configured to: when the trigger condition is met, the seventh device of the user equipment 2 establishes a wireless connection between the user equipment 2 and the target wireless access point according to the access information.
  • the eighth device of the user equipment 2 detects whether the trigger condition for switching to the target wireless access point is met, wherein the trigger condition is used to trigger the user equipment 2 to switch to the target wireless access point, for example, if the current wireless When the signal strength of the access point is weak or the signal strength of the target wireless access point is sufficient to establish a wireless connection, the user equipment 2 may be triggered to switch to the target wireless access point.
  • the triggering condition includes at least one of the following: a signal strength of the target wireless access point is equal to or greater than a predetermined first signal strength threshold; a signal strength of the current wireless access point is equal to or less than a predetermined one. a second signal strength threshold; the signal strength of the target wireless access point is equal to or greater than the signal strength of the current wireless access point; the switching time information corresponding to the access information is met; and the user equipment receives the The access information.
  • the triggering condition for triggering the user equipment 2 to establish a wireless connection with the target wireless access point includes at least one of the following: (1) the signal strength of the target wireless access point is equal to or greater than a predetermined first signal strength threshold, Wherein the first signal strength threshold is suitable for establishing with a wireless access point a signal strength minimum value of the wireless connection, the minimum value being preset, and when the user equipment 2 detects that the signal strength of the target wireless access point is equal to or greater than a predetermined first signal strength threshold, The wireless access point establishes a wireless connection; (2) the signal strength of the current wireless access point is equal to or less than a predetermined second signal strength threshold, wherein the second signal strength threshold is not suitable for establishing with the wireless access point The maximum value of the signal strength of the wireless connection, which is also preset.
  • the user equipment 2 When the user equipment 2 detects that the signal strength of the current wireless access point is equal to or less than a predetermined second signal strength threshold, the user equipment 2 switches. Go to the target wireless access point; (3) the signal strength of the target wireless access point is equal to or greater than the signal strength of the current wireless access point, in which case the user equipment 2 needs to detect the current and target wireless The signal strength of the access point, when the signal strength of the target wireless access point is equal to or greater than the signal strength of the current wireless access point, indicating that the target wireless connection The ingress point is more suitable for establishing a wireless connection, and therefore, can serve as the triggering condition; (4) satisfying the switching time information corresponding to the access information, in which case the user equipment 2 has received the network The switching time corresponding to the access information calculated by the device 1 is triggered, when the user equipment 2 detects that the switching time is met, triggering the user equipment 2 to establish a wireless connection with the target wireless access point; (5) the user equipment 2 Receiving the access information, a person skilled in the art may
  • the network device 1 sends the access information to the user equipment 2 to enable the user equipment 2 to establish a wireless connection with the target wireless access point; or the network device 1 and the user equipment 2 agree on the handover time in advance, and the user equipment 2 receives the handover time. Switch to the target wireless access point after the agreed switching time after accessing the information.
  • the present application obtains a target wireless access point to be switched by the corresponding user equipment on the network device, and determines access information corresponding to the target wireless access point, and then corresponds to the user equipment through the user equipment.
  • the current network connection between the current wireless access points, the access information is sent to the user equipment, for the user equipment to establish a wireless connection with the target wireless access point, and correspondingly, the user equipment receives the Accessing information and establishing a wireless connection with the target wireless access point based on the access information.
  • automatic switching between the currently connected wireless access point and the target wireless access point is implemented, and the access information is pre-transmitted by using the current network connection between the user equipment and the current wireless access point.
  • the switching efficiency is improved, so that the user can automatically switch the wireless access point when using the wireless access point, especially during the mobile process.
  • the solution not only greatly reduces the energy consumption of the user equipment, but also does not need to improve each wireless access point, thereby ensuring the solution. Feasibility of implementation;
  • a wireless access point usually cannot obtain access information of other users' wireless access points, and the solution helps the user equipment obtain the target through the network device.
  • the access information of the wireless access point not only avoids security risks, but also expands the scope of application of the solution.
  • the application may further detect whether the user equipment includes the access information, and when the user equipment does not include the access information, the current network connection between the user equipment and a corresponding current wireless access point is performed. Sending the access information to the user equipment, where the user equipment establishes a wireless connection with the target wireless access point, where the access information includes any one of the following: the target wireless connection The access password information corresponding to the entry point; the access token information corresponding to the target wireless access point; and the executable connection module information corresponding to the target wireless access point. In this way, the load of the network device data transmission can be reduced. For example, when the user equipment includes the access information, the network device does not need to send the access information again.
  • the solution ensures that the user equipment needs to obtain the corresponding access information when establishing a connection with the target wireless access point by detecting whether the user equipment includes the access information of the target wireless access point in advance, without the user equipment requesting to obtain the access information again.
  • the access information is used to effectively eliminate the delay of requesting access information, improve the efficiency of establishing a wireless connection, and save the time for establishing a connection, so as to realize the wireless access point switching of the user without perception.
  • the application may
  • the hotspot is switched after the current communication activity is completed, thereby avoiding interrupting the ongoing communication activity and the user perceiving the hotspot switching, thereby improving communication efficiency and improving the user experience.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

本申请的目的是提供一种用于实现用户设备在无线接入点间切换的方法、设备与系统。与现有技术相比，本申请通过在网络设备端获取对应用户设备待切换的目标无线接入点，并确定所述目标无线接入点对应的接入信息，然后通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，相应地，用户设备接收该接入信息，并根据该接入信息建立与目标无线接入点的无线连接。通过这种方式，实现了用户设备从当前连接的无线接入点到目标无线接入点之间的自动切换，并且利用用户设备与当前无线接入点间的当前网络连接预先发送接入信息，提高了切换效率，使用户在使用无线接入点时，特别是在移动过程中，也能实现无线接入点的自动切换。特别地，与通过改进无线接入点或用户设备来实现接入点间切换的技术方案相比，本方案不仅大幅降低了用户设备的能耗，也不需要改进每一个无线接入点，从而确保了本方案实施的可行性；而且，由于安全性或隐私性等因素，一个无线接入点通常是无法获取其他用户的无线接入点的接入信息的，而本方案通过网络设备来帮助用户设备获取目标无线接入点的接入信息，既避免了安全隐患，也扩大了本方案的适用范围。

Description

用于实现用户设备在无线接入点间切换的方法与设备 技术领域
本申请涉及计算机领域，尤其涉及一种用于实现用户设备在无线接入点间切换的技术。
背景技术
随着无线接入技术的飞速发展，人们的日常生活也越来越离不开无线网络，但是由于每个无线接入点的稳定性和覆盖范围是有限的，这就使得当用户在使用不稳定的无线接入点时或者用户在移动过程中超出当前连接的无线接入点的覆盖范围时，会中断与当前的无线接入点建立的无线连接，从而中断用户当前在进行的通信活动，给用户造成了很大的不便。
发明内容
本申请的目的是提供一种用于实现用户设备在无线接入点间切换的方法、设备与系统。
根据本申请的一个方面，提供了一种在网络设备端用于实现用户设备在无线接入点间切换的方法，其中，该方法包括：
获取对应用户设备待切换的目标无线接入点；
确定所述目标无线接入点对应的接入信息；
通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
根据本申请的另一方面，还提供了一种在用户设备端用于实现用户设备在无线接入点间切换的方法，其中，该方法包括：
通过用户设备与当前无线接入点间的当前网络连接接收对应网络设备发送的、所述用户设备待切换的目标无线接入点对应的接入信息；
根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
根据本申请的又一方面，还提供了一种用于实现用户设备在无线接入点间切换的网络设备，其中，该设备包括：
第一装置，用于获取对应用户设备待切换的目标无线接入点；
第二装置，用于确定所述目标无线接入点对应的接入信息；
第三装置，用于通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
根据本申请的另一方面，还提供了一种用于实现用户设备在无线接入点间切换的用户设备，其中，该设备包括：
第六装置，用于通过用户设备与当前无线接入点间的当前网络连接接收对应网络设备发送的、所述用户设备待切换的目标无线接入点对应的接入信息；
第七装置，用于根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
根据本申请的再一方面，还提供了一种用于实现用户设备在无线接入点间切换的系统，其中，该系统包括所述的用于实现用户设备在无线接入点间切换的网络设备以及所述的用于实现用户设备在无线接入点间切换的用户设备。
与现有技术相比，本申请通过在网络设备端获取对应用户设备待切换的目标无线接入点，并确定所述目标无线接入点对应的接入信息，然后通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，相应地，用户设备接收该接入信息，并根据该接入信息建立与目标无线接入点的无线连接。通过这种方式，实现了用户设备从当前连接的无线接入点到目标无线接入点之间的自动切换，并且利用用户设备与当前无线接入点间的当前网络连接预先发送接入信息，提高了切换效率，使用户在使用无线接入点时，特别是在移动过程中，也能实现无线接入点的自动切换。特别地，与通过改进无线接入点或用户设备来实现接入点间切换的技术方案相比，本方案不仅大幅降低了用户设备的能耗，也不需要改进每一个无线接入点，从而 确保了本方案实施的可行性；而且，由于安全性或隐私性等因素，一个无线接入点通常是无法获取其他用户的无线接入点的接入信息的，而本方案通过网络设备来帮助用户设备获取目标无线接入点的接入信息，既避免了安全隐患，也扩大了本方案的适用范围。
而且，本申请还可以检测所述用户设备是否包含所述接入信息，当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，其中，所述接入信息包括以下任一项：所述目标无线接入点对应的接入密码信息；所述目标无线接入点对应的接入令牌信息；所述目标无线接入点对应的可执行连接模块信息。通过这种方式可以减少网络设备数据传输的负载，例如，当用户设备上包含所述接入信息时，所述网络设备无需再发送该接入信息。在此，本方案通过提前检测用户设备是否包含目标无线接入点的接入信息来确保用户设备需要与目标无线接入点建立连接时已获得对应接入信息，而无须用户设备再请求获取该接入信息，从而有效排除了请求接入信息的延迟，提高了建立无线连接的效率、节约了建立连接的时间，以实现用户无感知的无线接入点切换。
此外，在本申请中，若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接，其中，所述通信活动包括用户通过建立的无线连接进行的一切信息传输活动，例如，视频缓存、邮件发送、图片打开、页面打开或图片上传等活动，本申请可以实现在当前通信活动完成后再切换热点，从而避免中断进行中的通信活动、用户感知到热点的切换，能够提高通信效率并提升用户使用体验。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：
图1示出根据本申请一个方面的一种用于实现用户设备在无线接入点间切换的方法流程图；
图2示出根据本申请一个优选实施例的一种用于实现用户设备在无线接入点间切换的方法流程图；
图3示出根据本申请另一个方面的一种用于实现用户设备在无线接入点间切换的设备示意图；
图4示出根据本申请另一个优选实施例的一种用于实现用户设备在无线接入点间切换的设备示意图。
附图中相同或相似的附图标记代表相同或相似的部件。
具体实施方式
下面结合附图对本发明作进一步详细描述。
在本申请一个典型的配置中，终端、服务网络的设备和可信方均包括一个或多个处理器(CPU)、输入/输出接口、网络接口和内存。
内存可能包括计算机可读介质中的非永久性存储器，随机存取存储器(RAM)和/或非易失性内存等形式，如只读存储器(ROM)或闪存(flash RAM)。内存是计算机可读介质的示例。
计算机可读介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括，但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带，磁带磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。按照本文中的界定，计算机可读介质不包括非暂存电脑可读媒体(transitory media)，如调制的数据信号和载波。
为更进一步阐述本申请所采取的技术手段及取得的效果，下面结合附图及较佳实施例，对本申请的技术方案，进行清楚和完整的描述。
图1示出本申请一个方面提供的在网络设备端及用户设备端用于实现 用户设备在无线接入点间切换的方法流程图。所述网络设备1与所述用户设备2相互配合，以完成用户设备在无线接入点间切换。其中，所述网络设备1独立于所述用户设备2及无线接入点。
其中，所述网络设备1包括但不限于计算机、网络主机、单个网络服务器、多个网络服务器集或多个服务器构成的云；在此，云由基于云计算(Cloud Computing)的大量计算机或网络服务器构成，其中，云计算是分布式计算的一种，由一群松散耦合的计算机集组成的一个虚拟超级计算机。优选地，所述网络设备1中对应存储了海量的无线接入点的相关信息；所述用户设备2包括能够实现无线网络连接功能的各种智能终端，例如智能手机、平板电脑等，所述智能终端可以采用任意操作系统，如android操作系统、iOS操作系统等。
具体地，在步骤S1中，网络设备1获取对应用户设备2待切换的目标无线接入点；在步骤S2中，所述网络设备1确定所述目标无线接入点对应的接入信息；在步骤S3中，所述网络设备1通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2，以供所述用户设备2建立与所述目标无线接入点的无线连接；相应地，在步骤S3中，用户设备2通过与当前无线接入点间的当前网络连接接收对应网络设备1发送的、所述用户设备2待切换的目标无线接入点对应的接入信息；在所述步骤S4中，根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接。
在该实施例中，在所述步骤S1中，网络设备1获取对应用户设备2待切换的目标无线接入点，其中，所述无线接入点是对应无线网络的接入点，所述无线网络包括但不限于基于IEEE 802.11系列标准协议的无线局域网络，例如，基于IEEE 802.11b协议的无线局域网络，即通常所说的WiFi网络，用户设备2可以通过所述无线接入点接入对应的无线网络。在此，所述目标无线接入点是指所述用户设备2待切换的无线接入点。具体地，网络设备1获取对应用户设备2待切换的目标无线接入点的方式，可以通过用户设备2的相关信息，并基于预先设定的规则获取待切换的目标无线接入点。优选地，其中，所述步骤S1包括：根据对应用户设备2的 移动相关信息确定待切换的目标无线接入点，在此，待切换的目标无线接入点是随着用户设备2的移动相关信息变化的，本领域的技术人员可以理解，无线接入点是部署在不同的地理位置的，因此，要根据用户设备2最终移动到了哪个无线接入点所在的地理位置附近来确定待切换的目标无线接入点。更优选地，所述移动相关信息包括：所述用户设备2的移动方向信息；所述用户设备2的移动速度信息；所述用户设备2的当前位置信息；所述当前无线接入点的位置信息。具体地，可以根据用户设备2的移动方向信息，并根据用户设备2的当前位置信息及所述当前无线接入点的位置信息优选出在用户设备2的移动方向上的多个可能会切换到的无线接入点，并将与用户设备2距离最近的无线接入点作为最优切换无线接入点，以保证可以及时进行无线接入点的切换。
进一步地，其中，所述方法还包括：S5确定所述目标无线接入点对应的切换时间信息，其中，所述步骤S3包括：通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备，以供所述用户设备按所述切换时间信息建立与所述目标无线接入点的无线连接。
进一步地，在所述步骤S5中，所述网络设备1确定所述目标无线接入点对应的切换时间信息，其中，所述切换时间信息用于触发用户设备2切换到目标无线接入点，优选地，其中，所述步骤S5包括：根据所述目标无线接入点的覆盖区域信息及所述移动相关信息，确定所述目标无线接入点对应的切换时间信息。具体地，可以根据用户设备2的移动方向信息、用户设备2的当前位置信息及所述目标无线接入点的覆盖区域信息确定所述用户设备2进入该目标无线接入点的覆盖区域的距离信息，并根据该距离信息及用户设备2的移动速度信息确定所述目标无线接入点对应的切换时间信息。例如，若根据用户设备2的移动方向及目标无线接入点的覆盖区域计算出与目标无线接入点的覆盖区域边界的距离为20米，用户设备2的移动速度为5米/秒，则对应的切换时间为4秒。其中，所述步骤S3包括：通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备2，以供所述用户设备按所述切换时间信息建立与 所述目标无线接入点的无线连接。
继续在该实施例中，在所述步骤S2中，所述网络设备1确定所述目标无线接入点对应的接入信息，本领域的技术人员可以理解该网络设备1中存储了海量的无线接入点及其对应的接入信息，因此，可以通过已确定的目标无线接入点在该网络设备1所对应的数据库中搜索查找该目标无线接入点对应的接入信息。
继续在该实施例中，在所述步骤S3中，所述网络设备1通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2，以供所述用户设备2建立与所述目标无线接入点的无线连接，相应地，所述用户设备2接收所述接入信息。具体地，在切换到目标无线接入点之前，该网络设备1与用户设备2之间的信息交互是通过用户设备2与对应当前无线接入点间的当前网络连接，并基于当前网络连接的通信协议实现的。优选地，其中，所述接入信息包括以下任一项：所述目标无线接入点对应的接入密码信息；所述目标无线接入点对应的接入令牌信息；所述目标无线接入点对应的可执行连接模块信息。具体地，所述接入信息用于与对应的目标无线接入点建立无线连接，本领域的技术人员应能理解，对于不同的无线接入点可能对应不同的接入方式，其中，不同的接入方式对应不同的可执行连接模块信息，该可执行连接模块信息确定了无线接入点的接入方式是基于密码验证、令牌验证或者其他验证方式等等。当用户设备2上未存在该可执行连接模块时，所述网络设备1需提供对应目标无线接入点的可执行连接模块信息及其对应的接入信息；当用户设备2上已经存在该可执行连接模块信息时，所述网络设备1仅需提供对应目标无线接入点的接入信息，如接入密码信息、接入令牌信息或者其他验证方式对应的接入信息等，例如，对于使用密码验证的无线接入点可以通过对应的接入密码信息进行连接，其中接入密码信息可以包括密码信息或者账号和密码信息等；又例如，对于基于令牌验证的无线接入点，如某些运营商的热点等，可以基于对应的令牌信息进行连接，或者，基于手机号与动态验证码信息进行连接等等。
在此，本领域内的技术人员应当能够理解，所述接入方式仅为举例， 其他现有的或今后可能出现的与无线接入点建立无线连接的方式如可适用于本申请，也应包含在本申请保护范围以内，并在此以引用的方式包含于此。
优选地，该方法还包括：所述网络设备1检测所述用户设备2是否包含所述接入信息；其中，所述步骤S3包括：当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。其中，所述网络设备1存储了海量的用户设备与无线接入点建立连接的历史信息，因此，可以从该历史信息中获取到关于与用户设备2建立连接的无线接入点的接入信息。具体地，所述网络设备1检测所述用户设备2是否包含所述接入信息的方式，可以通过在该网络设备1对应的历史信息数据库中搜索查找所述用户设备2是否与所述接入信息对应的目标无线热点建立过连接，例如，可以根据用户设备2所对应的设备号及目标无线接入点的名称信息进行搜索匹配查找，若用户设备2与该目标无线接入点之前建立过无线连接，则用户设备2中包含所述目标接入点的接入信息。在步骤S3中，当用户设备2未包含该接入信息时，所述网络设备1通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2。
继续在该实施例中，在所述步骤S4中，用户设备2根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接，具体地，用户设备2接收到网络设备1发送的接入信息后，根据该接入信息对应的接入方式实现与所述目标无线接入点间的无线连接。例如，若用户设备2上已存在所述目标无线接入点对应的可执行连接模块信息，用户设备2自动将接收到的所述接入信息按照预设协议规则加载到相应的位置以实现与目标无线接入点的无线连接；若用户设备2上未存在所述目标无线接入点对应的可执行连接模块信息，用户设备2需要自动加载该可执行连接模块信息以实现与目标无线接入点的无线连接。
优选地，其中，所述步骤S4包括：若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信 息建立所述用户设备与所述目标无线接入点间的无线连接。其中，所述通信活动包括用户通过建立的无线连接进行的一切信息传输活动，例如，视频缓存、邮件发送、图片打开、页面打开或图片上传等活动，在此，本申请可以在该通信活动完成或停止后，再与所述目标无线接入点建立无线连接。具体地，不中止用户设备2当前的通信活动的实现方式，可以通过VPN(virtual private network，虚拟专用网络)服务端来实现，该服务端为用户设备2分配一个虚拟IP以保证用户设备2的通信活动不被中断，同时网络设备1会根据用户设备2当前的通信活动，为用户设备2优选待切换的目标无线接入点，例如，若用户设备2正在进行带宽需求较高的通信活动，则网络设备1会优选出带宽较大的目标无线接入点，若用户设备2正在使用网银等安全性需求较高的应用，则网络设备1会优选出安全性较高的目标无线接入点。
在一个优选的实施例中，参图2所示，其中，图2中的步骤S1'、S2'、S3'与图1实施例中的步骤S1、S2、S3相同或基本相同，故在此不再赘述，仅以引用的方式包含于此。优选地，所述方法还包括：S5'用户设备2检测是否满足切换至所述目标无线接入点的触发条件；
其中，所述步骤S4'包括：当满足所述触发条件，用户设备2根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接。
在所述步骤S5'中，用户设备2检测是否满足切换至所述目标无线接入点的触发条件，其中，所述触发条件用于触发用户设备2切换到所述目标无线接入点，例如，若当前无线接入点的信号强度很弱或者目标无线接入点的信号强度足以可以建立无线连接时，可以触发用户设备2切换到所述目标无线接入点。优选地，所述触发条件包括以下至少任一项：所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值；所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值；所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度；满足所述接入信息所对应的切换时间信息；所述用户设备接收到所述接入信息。
具体地，触发用户设备2与目标无线接入点建立无线连接的触发条件包括以下至少任一项：(1)所述目标无线接入点的信号强度等于或大于预定 的第一信号强度阈值，其中，所述第一信号强度阈值为适于与无线接入点建立无线连接的信号强度最小值，该最小值是预先设定好的，当用户设备2检测到所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值时，与该目标无线接入点建立无线连接；(2)所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值，其中，所述第二信号强度阈值为不适于与无线接入点建立无线连接的信号强度最大值，该最大值也是预先设定好的，当用户设备2检测到所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值时，用户设备2切换到所述目标无线接入点；(3)所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度，这种情况下，用户设备2需要检测当前和目标无线接入点的信号强度，当所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度时，表明所述目标无线接入点更适于建立无线连接，因此，可以作为所述触发条件；(4)满足所述接入信息所对应的切换时间信息，在该情况下，所述用户设备2已接受到所述网络设备1计算出的所述接入信息对应的切换时间，当该用户设备2检测到满足该切换时间时，触发用户设备2与目标无线接入点建立无线连接；(5)所述用户设备2接收到所述接入信息，本领域的技术人员可以理解，可以通过网络设备1计算出所述接入信息对应的切换时间，并由网络设备1进行监测，当满足该切换时间时，所述网络设备1将所述接入信息发送给用户设备2，以使用户设备2与目标无线接入点建立无线连接；或者，网络设备1与用户设备2提前约定切换时间，在用户设备2接收到接入信息后的约定切换时间后切换到目标无线接入点。
与现有技术相比，本申请通过在网络设备端获取对应用户设备待切换的目标无线接入点，并确定所述目标无线接入点对应的接入信息，然后通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，相应地，用户设备接收该接入信息，并根据该接入信息建立与目标无线接入点的无线连接。通过这种方式，实现了用户设备从当前连接的无线接入点到目标无线接入点之间的自动切换，并且利用用户设备与当前无线接入点间的当前网络连接预先发送接入信息，提高了切换效率，使用户在使用无线接入 点时，特别是在移动过程中，也能实现无线接入点的自动切换。特别地，与通过改进无线接入点或用户设备来实现接入点间切换的技术方案相比，本方案不仅大幅降低了用户设备的能耗，也不需要改进每一个无线接入点，从而确保了本方案实施的可行性；而且，由于安全性或隐私性等因素，一个无线接入点通常是无法获取其他用户的无线接入点的接入信息的，而本方案通过网络设备来帮助用户设备获取目标无线接入点的接入信息，既避免了安全隐患，也扩大了本方案的适用范围。
而且，本申请还可以检测所述用户设备是否包含所述接入信息，当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，其中，所述接入信息包括以下任一项：所述目标无线接入点对应的接入密码信息；所述目标无线接入点对应的接入令牌信息；所述目标无线接入点对应的可执行连接模块信息。通过这种方式可以减少网络设备数据传输的负载，例如，当用户设备上包含所述接入信息时，所述网络设备无需再发送该接入信息。在此，本方案通过提前检测用户设备是否包含目标无线接入点的接入信息来确保用户设备需要与目标无线接入点建立连接时已获得对应接入信息，而无须用户设备再请求获取该接入信息，从而有效排除了请求接入信息的延迟，提高了建立无线连接的效率、节约了建立连接的时间，以实现用户无感知的无线接入点切换。
此外，在本申请中，若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接，其中，所述通信活动包括用户通过建立的无线连接进行的一切信息传输活动，例如，视频缓存、邮件发送、图片打开、页面打开或图片上传等活动，本申请可以实现在当前通信活动完成后再切换热点，从而避免中断进行中的通信活动、用户感知到热点的切换，能够提高通信效率并提升用户使用体验。
图3示出本申请一个方面提供的在网络设备端及用户设备端用于实现用户设备在无线接入点间切换的设备示意图。所述网络设备1与所述用户设备2相互配合，以完成用户设备在无线接入点间切换。
其中，所述网络设备1包括但不限于计算机、网络主机、单个网络服务器、多个网络服务器集或多个服务器构成的云；在此，云由基于云计算(Cloud Computing)的大量计算机或网络服务器构成，其中，云计算是分布式计算的一种，由一群松散耦合的计算机集组成的一个虚拟超级计算机。优选地，所述网络设备1中对应存储了海量的无线接入点的相关信息；所述用户设备2包括能够实现无线网络连接功能的各种智能终端，例如智能手机、平板电脑等，所述智能终端可以采用任意操作系统，如android操作系统、iOS操作系统等。
具体地，所述网络设备1的第一装置获取对应用户设备2待切换的目标无线接入点；所述网络设备1的第二装置确定所述目标无线接入点对应的接入信息；所述网络设备1的第三装置通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2，以供所述用户设备2建立与所述目标无线接入点的无线连接；相应地，所述用户设备2的第六装置通过与当前无线接入点间的当前网络连接接收对应网络设备1发送的、所述用户设备2待切换的目标无线接入点对应的接入信息；所述用户设备2的第七装置根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接。
在该实施例中，所述网络设备1的第一装置获取对应用户设备2待切换的目标无线接入点，其中，所述无线接入点是对应无线网络的接入点，所述无线网络包括但不限于基于IEEE 802.11系列标准协议的无线局域网络，例如，基于IEEE 802.11b协议的无线局域网络，即通常所说的WiFi网络，用户设备2可以通过所述无线接入点接入对应的无线网络。在此，所述目标无线接入点是指所述用户设备2待切换的无线接入点。具体地，网络设备1获取对应用户设备2待切换的目标无线接入点的方式，可以通过用户设备2的相关信息，并基于预先设定的规则获取待切换的目标无线接入点。优选地，其中，所述网络设备1的第一装置用于：根据对应用户设备2的移动相关信息确定待切换的目标无线接入点，在此，待切换的目标无线接入点是随着用户设备2的移动相关信息变化的，本领域的技术人员可以理解，无线接入点是部署在不同的地理位置的，因此，要根据用户 设备2最终移动到了哪个无线接入点所在的地理位置附近来确定待切换的目标无线接入点。更优选地，所述移动相关信息包括：所述用户设备2的移动方向信息；所述用户设备2的移动速度信息；所述用户设备2的当前位置信息；所述当前无线接入点的位置信息。具体地，可以根据用户设备2的移动方向信息，并根据用户设备2的当前位置信息及所述当前无线接入点的位置信息优选出在用户设备2的移动方向上的多个可能会切换到的无线接入点，并将与用户设备2距离最近的无线接入点作为最优切换无线接入点，以保证可以及时进行无线接入点的切换。
进一步地，其中，所述网络设备1还包括：第五装置，确定所述目标无线接入点对应的切换时间信息，其中，所述第三装置用于：通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备，以供所述用户设备按所述切换时间信息建立与所述目标无线接入点的无线连接。
进一步地，所述网络设备1的第五装置确定所述目标无线接入点对应的切换时间信息，其中，所述切换时间信息用于触发用户设备2切换到目标无线接入点，优选地，其中，所述第五装置用于：根据所述目标无线接入点的覆盖区域信息及所述移动相关信息，确定所述目标无线接入点对应的切换时间信息。具体地，可以根据用户设备2的移动方向信息、用户设备2的当前位置信息及所述目标无线接入点的覆盖区域信息确定所述用户设备2进入该目标无线接入点的覆盖区域的距离信息，并根据该距离信息及用户设备2的移动速度信息确定所述目标无线接入点对应的切换时间信息。例如，若根据用户设备2的移动方向及目标无线接入点的覆盖区域计算出与目标无线接入点的覆盖区域边界的距离为20米，用户设备2的移动速度为5米/秒，则对应的切换时间为4秒。其中，所述步骤S3包括：通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备2，以供所述用户设备按所述切换时间信息建立与所述目标无线接入点的无线连接。
继续在该实施例中，所述网络设备1的第二装置确定所述目标无线接入点对应的接入信息，本领域的技术人员可以理解该网络设备1中存储了 海量的无线接入点及其对应的接入信息，因此，可以通过已确定的目标无线接入点在该网络设备1所对应的数据库中搜索查找该目标无线接入点对应的接入信息。
继续在该实施例中，所述网络设备1的第三装置通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2，以供所述用户设备2建立与所述目标无线接入点的无线连接，相应地，所述用户设备2接收所述接入信息。具体地，在切换到目标无线接入点之前，该网络设备1与用户设备2之间的信息交互是通过用户设备2与对应当前无线接入点间的当前网络连接，并基于当前网络连接的通信协议实现的。优选地，其中，所述接入信息包括以下任一项：所述目标无线接入点对应的接入密码信息；所述目标无线接入点对应的接入令牌信息；所述目标无线接入点对应的可执行连接模块信息。具体地，所述接入信息用于与对应的目标无线接入点建立无线连接，本领域的技术人员应能理解，对于不同的无线接入点可能对应不同的接入方式，其中，不同的接入方式对应不同的可执行连接模块信息，该可执行连接模块信息确定了无线接入点的接入方式是基于密码验证、令牌验证或者其他验证方式等等。当用户设备2上未存在该可执行连接模块时，所述网络设备1需提供对应目标无线接入点的可执行连接模块信息及其对应的接入信息；当用户设备2上已经存在该可执行连接模块信息时，所述网络设备1仅需提供对应目标无线接入点的接入信息，如接入密码信息、接入令牌信息或者其他验证方式对应的接入信息等，例如，对于使用密码验证的无线接入点可以通过对应的接入密码信息进行连接，其中接入密码信息可以包括密码信息或者账号和密码信息等；又例如，对于基于令牌验证的无线接入点，如某些运营商的热点等，可以基于对应的令牌信息进行连接，或者，基于手机号与动态验证码信息进行连接等等。
在此，本领域内的技术人员应当能够理解，所述接入方式仅为举例，其他现有的或今后可能出现的与无线接入点建立无线连接的方式如可适用于本申请，也应包含在本申请保护范围以内，并在此以引用的方式包含于此。
优选地，该网络设备1还包括：第四装置，检测所述用户设备2是否包含所述接入信息；其中，第三装置用于：当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。其中，所述网络设备1存储了海量的用户设备与无线接入点建立连接的历史信息，因此，可以从该历史信息中获取到关于与用户设备2建立连接的无线接入点的接入信息。具体地，所述网络设备1检测所述用户设备2是否包含所述接入信息的方式，可以通过在该网络设备1对应的历史信息数据库中搜索查找所述用户设备2是否与所述接入信息对应的目标无线热点建立过连接，例如，可以根据用户设备2所对应的设备号及目标无线接入点的名称信息进行搜索匹配查找，若用户设备2与该目标无线接入点之前建立过无线连接，则用户设备2中包含所述目标接入点的接入信息。当用户设备2未包含该接入信息时，所述网络设备1的第三装置通过所述用户设备2与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备2。
继续在该实施例中，所述用户设备2的第七装置根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接，具体地，用户设备2接收到网络设备1发送的接入信息后，根据该接入信息对应的接入方式实现与所述目标无线接入点间的无线连接。例如，若用户设备2上已存在所述目标无线接入点对应的可执行连接模块信息，用户设备2的第七装置自动将接收到的所述接入信息按照预设协议规则加载到相应的位置以实现与目标无线接入点的无线连接；若用户设备2上未存在所述目标无线接入点对应的可执行连接模块信息，用户设备2的第七装置需要自动加载该可执行连接模块信息以实现与目标无线接入点的无线连接。
优选地，其中，所述第七装置用于：若所述用户设备2中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。其中，所述通信活动包括用户通过建立的无线连接进行的一切信息传输活动，例如，视频缓存、邮件发送、图片打开、页面打开或图片上传等活动，在此，本申请 可以在该通信活动完成或停止后，再与所述目标无线接入点建立无线连接。具体地，不中止用户设备2当前的通信活动的实现方式，可以通过VPN(virtual private network，虚拟专用网络)服务端来实现，该服务端为用户设备2分配一个虚拟IP以保证用户设备2的通信活动不被中断，同时网络设备1会根据用户设备2当前的通信活动，为用户设备2优选待切换的目标无线接入点，例如，若用户设备2正在进行带宽需求较高的通信活动，则网络设备1会优选出带宽较大的目标无线接入点，若用户设备2正在使用网银等安全性需求较高的应用，则网络设备1会优选出安全性较高的目标无线接入点。
在一个优选的实施例中，参图4所示，其中，图4中的第一装置、第二装置、第三装置与图3实施例中的第一装置、第二装置、第三装置相同或基本相同，故在此不再赘述，仅以引用的方式包含于此。优选地，所述用户设备2还包括：第八装置，用户设备2的第八装置检测是否满足切换至所述目标无线接入点的触发条件；
其中，所述第七装置用于：当满足所述触发条件，用户设备2的第七装置根据所述接入信息建立所述用户设备2与所述目标无线接入点间的无线连接。
用户设备2的第八装置检测是否满足切换至所述目标无线接入点的触发条件，其中，所述触发条件用于触发用户设备2切换到所述目标无线接入点，例如，若当前无线接入点的信号强度很弱或者目标无线接入点的信号强度足以可以建立无线连接时，可以触发用户设备2切换到所述目标无线接入点。优选地，所述触发条件包括以下至少任一项：所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值；所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值；所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度；满足所述接入信息所对应的切换时间信息；所述用户设备接收到所述接入信息。
具体地，触发用户设备2与目标无线接入点建立无线连接的触发条件包括以下至少任一项：(1)所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值，其中，所述第一信号强度阈值为适于与无线接入点建 立无线连接的信号强度最小值，该最小值是预先设定好的，当用户设备2检测到所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值时，与该目标无线接入点建立无线连接；(2)所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值，其中，所述第二信号强度阈值为不适于与无线接入点建立无线连接的信号强度最大值，该最大值也是预先设定好的，当用户设备2检测到所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值时，用户设备2切换到所述目标无线接入点；(3)所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度，这种情况下，用户设备2需要检测当前和目标无线接入点的信号强度，当所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度时，表明所述目标无线接入点更适于建立无线连接，因此，可以作为所述触发条件；(4)满足所述接入信息所对应的切换时间信息，在该情况下，所述用户设备2已接受到所述网络设备1计算出的所述接入信息对应的切换时间，当该用户设备2检测到满足该切换时间时，触发用户设备2与目标无线接入点建立无线连接；(5)所述用户设备2接收到所述接入信息，本领域的技术人员可以理解，可以通过网络设备1计算出所述接入信息对应的切换时间，并由网络设备1进行监测，当满足该切换时间时，所述网络设备1将所述接入信息发送给用户设备2，以使用户设备2与目标无线接入点建立无线连接；或者，网络设备1与用户设备2提前约定切换时间，在用户设备2接收到接入信息后的约定切换时间后切换到目标无线接入点。
与现有技术相比，本申请通过在网络设备端获取对应用户设备待切换的目标无线接入点，并确定所述目标无线接入点对应的接入信息，然后通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，相应地，用户设备接收该接入信息，并根据该接入信息建立与目标无线接入点的无线连接。通过这种方式，实现了用户设备从当前连接的无线接入点到目标无线接入点之间的自动切换，并且利用用户设备与当前无线接入点间的当前网络连接预先发送接入信息，提高了切换效率，使用户在使用无线接入点时，特别是在移动过程中，也能实现无线接入点的自动切换。特别地，与 通过改进无线接入点或用户设备来实现接入点间切换的技术方案相比，本方案不仅大幅降低了用户设备的能耗，也不需要改进每一个无线接入点，从而确保了本方案实施的可行性；而且，由于安全性或隐私性等因素，一个无线接入点通常是无法获取其他用户的无线接入点的接入信息的，而本方案通过网络设备来帮助用户设备获取目标无线接入点的接入信息，既避免了安全隐患，也扩大了本方案的适用范围。
而且，本申请还可以检测所述用户设备是否包含所述接入信息，当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接，其中，所述接入信息包括以下任一项：所述目标无线接入点对应的接入密码信息；所述目标无线接入点对应的接入令牌信息；所述目标无线接入点对应的可执行连接模块信息。通过这种方式可以减少网络设备数据传输的负载，例如，当用户设备上包含所述接入信息时，所述网络设备无需再发送该接入信息。在此，本方案通过提前检测用户设备是否包含目标无线接入点的接入信息来确保用户设备需要与目标无线接入点建立连接时已获得对应接入信息，而无须用户设备再请求获取该接入信息，从而有效排除了请求接入信息的延迟，提高了建立无线连接的效率、节约了建立连接的时间，以实现用户无感知的无线接入点切换。
此外，在本申请中，若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接，其中，所述通信活动包括用户通过建立的无线连接进行的一切信息传输活动，例如，视频缓存、邮件发送、图片打开、页面打开或图片上传等活动，本申请可以实现在当前通信活动完成后再切换热点，从而避免中断进行中的通信活动、用户感知到热点的切换，能够提高通信效率并提升用户使用体验。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限 定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化涵括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。此外，显然“包括”一词不排除其他单元或步骤，单数不排除复数。装置权利要求中陈述的多个单元或装置也可以由一个单元或装置通过软件或者硬件来实现。第一，第二等词语用来表示名称，而并不表示任何特定的顺序。

Claims (23)

  1. 一种在网络设备端用于实现用户设备在无线接入点间切换的方法，其中，该方法包括：
    获取对应用户设备待切换的目标无线接入点；
    确定所述目标无线接入点对应的接入信息；
    通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
  2. 根据权利要求1所述的方法，其中，该方法还包括：
    检测所述用户设备是否包含所述接入信息；
    其中，所述通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接包括：
    当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
  3. 根据权利要求1所述的方法，其中，所述接入信息包括以下任一项：
    所述目标无线接入点对应的接入密码信息；
    所述目标无线接入点对应的接入令牌信息；
    所述目标无线接入点对应的可执行连接模块信息。
  4. 根据权利要求1至3中任一项所述的方法，其中，所述步骤a包括:
    根据对应用户设备的移动相关信息确定待切换的目标无线接入点。
  5. 根据权利要求4所述的方法，其中，所述移动相关信息包括：
    所述用户设备的移动方向信息；
    所述用户设备的移动速度信息；
    所述用户设备的当前位置信息；
    所述当前无线接入点的位置信息。
  6. 根据权利要求4或5所述的方法，其中，所述方法还包括：
    确定所述目标无线接入点对应的切换时间信息；
    其中，所述通过所述用户设备与对应当前无线接入点间的当前网络连接， 将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接包括：
    通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备，以供所述用户设备按所述切换时间信息建立与所述目标无线接入点的无线连接。
  7. 根据权利要求6所述的方法，其中，所述确定所述目标无线接入点对应的切换时间信息包括：
    根据所述目标无线接入点的覆盖区域信息及所述移动相关信息，确定所述目标无线接入点对应的切换时间信息。
  8. 一种在用户设备端用于实现用户设备在无线接入点间切换的方法，其中，该方法包括：
    通过用户设备与当前无线接入点间的当前网络连接接收对应网络设备发送的、所述用户设备待切换的目标无线接入点对应的接入信息；
    根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  9. 根据权利要求8所述的方法，其中，所述方法还包括：
    检测是否满足切换至所述目标无线接入点的触发条件；
    其中，所述根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接包括：
    当满足所述触发条件，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  10. 根据权利要求9所述的方法，其中，所述触发条件包括以下至少任一项：
    所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值；
    所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值；
    所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度；
    满足所述接入信息所对应的切换时间信息；
    所述用户设备接收到所述接入信息。
  11. 根据权利要求8至10中任一项所述的方法，其中，所述根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接包括：
    若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  12. 一种用于实现用户设备在无线接入点间切换的网络设备，其中，该设备包括：
    第一装置，用于获取对应用户设备待切换的目标无线接入点；
    第二装置，用于确定所述目标无线接入点对应的接入信息；
    第三装置，用于通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
  13. 根据权利要求12所述的设备，其中，该设备还包括：
    第四装置，用于检测所述用户设备是否包含所述接入信息；
    其中，所述第三装置用于：
    当所述用户设备未包含所述接入信息，通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息发送至所述用户设备，以供所述用户设备建立与所述目标无线接入点的无线连接。
  14. 根据权利要求12所述的设备，其中，所述接入信息包括以下任一项：
    所述目标无线接入点对应的接入密码信息；
    所述目标无线接入点对应的接入令牌信息；
    所述目标无线接入点对应的可执行连接模块信息。
  15. 根据权利要求12至14中任一项所述的设备，其中，所述第一装置用于:
    根据对应用户设备的移动相关信息确定待切换的目标无线接入点。
  16. 根据权利要求15所述的设备，其中，所述移动相关信息包括：
    所述用户设备的移动方向信息；
    所述用户设备的移动速度信息；
    所述用户设备的当前位置信息；
    所述当前无线接入点的位置信息。
  17. 根据权利要求15或16所述的设备，其中，所述设备还包括：
    第五装置，用于确定所述目标无线接入点对应的切换时间信息；
    其中，所述第三装置用于：
    通过所述用户设备与对应当前无线接入点间的当前网络连接，将所述接入信息及所述切换时间信息发送至所述用户设备，以供所述用户设备按所述切换时间信息建立与所述目标无线接入点的无线连接。
  18. 根据权利要求17所述的设备，其中，所述第五装置用于：
    根据所述目标无线接入点的覆盖区域信息及所述移动相关信息，确定所述目标无线接入点对应的切换时间信息。
  19. 一种用于实现用户设备在无线接入点间切换的用户设备，其中，该设备包括：
    第六装置，用于通过用户设备与当前无线接入点间的当前网络连接接收对应网络设备发送的、所述用户设备待切换的目标无线接入点对应的接入信息；
    第七装置，用于根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  20. 根据权利要求19所述的设备，其中，所述设备还包括：
    第八装置，用于检测是否满足切换至所述目标无线接入点的触发条件；
    其中，所述第七装置用于：
    当满足所述触发条件，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  21. 根据权利要求20所述的设备，其中，所述触发条件包括以下至少任一项：
    所述目标无线接入点的信号强度等于或大于预定的第一信号强度阈值；
    所述当前无线接入点的信号强度等于或小于预定的第二信号强度阈值；
    所述目标无线接入点的信号强度等于或大于所述当前无线接入点的信号强度；
    满足所述接入信息所对应的切换时间信息；
    所述用户设备接收到所述接入信息。
  22. 根据权利要求19至21中任一项所述的设备，其中，所述第七装置用于：
    若所述用户设备中存在经由所述当前通信连接的通信活动，等待所述通信活动完成或停止后，根据所述接入信息建立所述用户设备与所述目标无线接入点间的无线连接。
  23. 一种用于实现用户设备在无线接入点间切换的系统，其中，该系统包括如权利要求12至18中任一项所述的网络设备，以及如权利要求19至22中任一项所述的用户设备。
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