WO2016180212A1 - Ap组确定方法及装置 - Google Patents

Ap组确定方法及装置 Download PDF

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Publication number
WO2016180212A1
WO2016180212A1 PCT/CN2016/079935 CN2016079935W WO2016180212A1 WO 2016180212 A1 WO2016180212 A1 WO 2016180212A1 CN 2016079935 W CN2016079935 W CN 2016079935W WO 2016180212 A1 WO2016180212 A1 WO 2016180212A1
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Prior art keywords
group
information
grouping
auxiliary information
aps
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PCT/CN2016/079935
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English (en)
French (fr)
Inventor
贺美芳
黄河
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • 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]

Definitions

  • This document relates to, but is not limited to, the field of wireless communications, and in particular, to an AP group determining method and apparatus.
  • LTE Long Term Evolution
  • LTE Advanced enhanced LTE
  • Wireless LANs of the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard have been widely used in hotspot access coverage in homes, businesses, and even the Internet.
  • IEEE Institute of Electrical and Electronics Engineers
  • the technical specifications proposed by the Wi-Fi Alliance are the most widely used. Therefore, the WiFi network is often equated with the WLAN network based on the IEEE 802.11 standard. In the case of no confusion, the WiFi module is also used later. To describe the WLAN-enabled wireless transceiver and processing module in the network node.
  • 3GPP SA2 passes the access network discovery and selection functional unit (Access Network Discovery and Selection The Functions, ANDSF) scheme provides a mode for selecting a target access network for a user equipment according to an operator policy.
  • access network discovery and selection functional unit Access Network Discovery and Selection The Functions, ANDSF
  • the communication protocol 3GPP R10 defines the ANDSF standard.
  • the ANDSF acts as an access anchor to implement intelligent network selection. Through the interaction between the network and the user equipment, the network access is effectively offloaded, which is in line with the future multi-network coordinated operation direction.
  • the ANDSF formulates policies based on network load, user equipment capabilities, and user subscription information to help user equipment users select the best access network standard and implement coordinated operation of multiple access methods.
  • ANDSF can be deployed separately or in combination with other network elements. At present, the mainstream view of the industry believes that ANDSF can be deployed on PCC devices.
  • ANDSF is a WLAN interworking solution based on the core network, and does not consider the impact on the access network. In addition, since the ANDSF is a relatively static solution, it cannot adapt to the dynamic changes of network load and channel quality.
  • the 3GPP access network group also conducted a discussion of WLAN huto9ng. In 3GPP R12 WLAN/3GPP wireless interworking, a mechanism for performing rules and triggering of WLAN offloading is introduced.
  • the core network mechanism and the auxiliary information mechanism from the radio access network cannot provide the network side with real-time use of load and channel conditions to consolidate the use of radio resources.
  • data from the same bearer cannot be served on both 3GPP and WLAN links. Therefore, the need for WLAN integration with 3GPP networks has been reintroduced at the 65th Plenary Session of the Radio Access Network (RAN).
  • RAN Radio Access Network
  • the RAN hierarchically aggregated WLAN is integrated with the 3GPP network, and the WLAN and the 3GPP network are closely coupled, similar to carrier aggregation and dual connectivity, providing a better double for the overall system. Control and utilization of resources on the connection. Tight integration and aggregation at the radio layer allows more real-time joint scheduling of WLANs and radio resources of the 3GPP network, thus improving user quality of service (QoS) and overall system capacity. By better managing the wireless resources between users, it is possible to increase the collective throughput of all users and provide the entire system capacity. Based on real-time channel conditions and system usage, each link scheduling decision can be made to the level of each packet.
  • the user plane is anchored to a reliable LTE network and can be improved by rolling back to the LTE network.
  • the tight coupling between the WLAN and the 3GPP network can be applied to the co-location scenario (the eNB and the access point (AP) complete the RAN layer integration operation through the internal interface) and the non-local association
  • the scenario (the RAN layer integration operation is completed between the eNB and the AP through an external interface), which is essentially similar to 3gpp carrier aggregation and dual connectivity, respectively.
  • the AP may be divided into multiple AP groups; the mobile device in the same AP group may not be notified to the 3GPP network, that is, transparent to the network element of the LTE network.
  • the mobility of user equipment between different AP groups may require network elements of the 3GPP network to participate in control to better balance the load and improve transmission efficiency or quality or system capacity.
  • the embodiments of the present invention are directed to providing an AP group determining method and apparatus, which can implement the divided AP group to meet the requirement of tight coupling of the WLAN and the LTE network.
  • a first aspect of the embodiments of the present invention provides a method for determining a wireless access point AP group, where the method includes:
  • the auxiliary information includes first auxiliary information sent by the user equipment and/or second auxiliary information formed by the wireless local area network endpoint WT;
  • AP grouping is performed according to a grouping policy to form an AP group.
  • the first auxiliary information includes at least one of the following:
  • the user equipment uses usage status information of each AP within a specified time
  • the user equipment measures AP information that determines an unavailable AP
  • the user equipment is capable of scanning but not associated with AP information of the AP;
  • the second auxiliary information includes at least one of the following:
  • the NE connection information of the AP The NE connection information of the AP
  • the AP grouping according to the grouping policy to form an AP group according to the grouping policy includes at least one of the following:
  • the coverage areas of the N APs of the same AP group are continuously distributed; the N is an integer not less than 1;
  • APs in the same AP group are connected to the same WT.
  • Different AP groups include different APs.
  • the AP grouping forms an AP group according to the grouping policy based on the auxiliary information, and further includes at least one of the following:
  • the AP grouping is performed according to the grouping policy based on the auxiliary information.
  • the AP group it also includes:
  • the AP or AP group whose load is higher than the specified load threshold is re-AP grouped and the AP group is updated.
  • the AP grouping according to the grouping policy to form an AP group according to the grouping policy includes at least one of the following:
  • the method further includes:
  • a second aspect of the embodiments of the present invention provides a wireless access point AP group determining apparatus, where the apparatus includes:
  • An obtaining unit configured to obtain auxiliary information;
  • the auxiliary information includes first auxiliary information sent by the user equipment and/or second auxiliary information formed by the wireless local area network endpoint WT;
  • the grouping unit is configured to perform AP grouping according to the grouping policy to form an AP group based on the auxiliary information.
  • the grouping unit is configured to perform AP grouping according to the grouping policy to form an AP group according to the auxiliary information by using at least one of the following:
  • the N is an integer not less than 1;
  • the grouping unit is configured to perform an AP group forming an AP group according to a grouping policy based on the auxiliary information by at least one of the following: performing an AP group with a cross-group switching frequency greater than a first preset frequency. Merging; adjusting the AP group in which the cross-group switching frequency is greater than the AP of the second preset frequency.
  • the grouping unit is further configured to: according to the auxiliary information, perform an AP group forming an AP group according to a grouping policy: re-AP grouping and updating an AP or an AP group with a load higher than a specified load threshold AP group.
  • the device further includes:
  • the setting unit is configured to set an attribute parameter of the AP group based on the auxiliary information.
  • the device is an eNB or a WT.
  • An embodiment of the present invention provides an AP group determining method and apparatus, which acquires auxiliary information of a current state of a reactive AP, an associated state of a UE and an AP, and performs AP grouping according to the auxiliary information to determine an AP group.
  • a method for determining an AP group is proposed.
  • an AP group obtained by AP grouping based on the above auxiliary information can well meet the requirements of tight coupling of WLAN and LTE networks.
  • FIG. 1 is a schematic structural diagram of coupling of a WLAN and a 3GPP network according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for determining an AP group according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for determining a second AP group according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a method for determining a third AP group according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of a method for determining a fourth AP group according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart diagram of a method for determining a fifth AP group according to an embodiment of the present disclosure
  • FIG. 7 is a schematic flowchart of a first method for acquiring auxiliary information according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a second method for acquiring auxiliary information according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an AP group determining apparatus according to an embodiment of the present invention.
  • FIG. 1 is a block diagram showing the structure of a WLAN and 3GPP network coupling. That is, the RAN layer integration operation is performed between the evolved base station eNB of the 3GPP network and the WLAN network element of the WLAN through the external interface Xw.
  • the WLAN network element includes a Wireless LAN Termination (WT).
  • WT Wireless LAN Termination
  • the WT may be integrated in other WLAN network elements (such as an AP)
  • a logical node on it can also be a separate entity node.
  • the WT acts as an information exchange with a network element in the LTE network through the interface Xw.
  • the user equipment can move freely without informing the LTE network in the same AP group.
  • the LTE network needs to be notified. , controlled by it to better achieve the coupling of WLAN and 3GPP networks.
  • the composition of the AP group is crucial. For example, there may be N APs under the WLAN. Whether these APs are a group or divided into multiple groups. Dividing into one group enables the user equipment to move in the WT mechanism. It is transparent to the 3GPP network side, reducing excessive control on the 3GPP network side.
  • the division of APs under the WT into multiple groups can be more controlled by the network side; whether the current state of the AP is available or not is dynamically changed. Inevitably, it will affect the AP group division. For example, an AP that is originally a group, because one AP is deactivated or unavailable, two groups are formed in the geographical location. Therefore, in this embodiment, the AP group determining method according to the embodiment of the present application may acquire the first auxiliary information of the AP detected by the UE and/or the second auxiliary information formed by the WT detecting AP, and perform AP group division based on the auxiliary information. .
  • the MME in FIG. 1 is a mobility management entity, and is connected to an eNB to belong to a network element of a 3GPP network.
  • this embodiment provides a method for determining a wireless access point AP group, where the method includes:
  • Step S110 Acquiring auxiliary information;
  • the auxiliary information includes first auxiliary information sent by the user equipment and/or second auxiliary information formed by the WLAN termination point WT;
  • Step S120 Perform AP grouping according to the grouping policy to form an AP group based on the auxiliary information.
  • the executor of the method described in this embodiment may be a network element of a 3GPP network, such as an eNB, a radio network controller (RNC), or a network element of a WLAN network, such as a WT, an AP, or an AC.
  • a network element of a 3GPP network such as an eNB, a radio network controller (RNC), or a network element of a WLAN network, such as a WT, an AP, or an AC.
  • the execution entity is a network element of the WLAN network, it is finally reported to the 3GPP network, so that the 3GPP network controls the tight coupling of the WLAN and the 3GPP network.
  • the execution subject is When the network element of the 3GPP network is used, the second auxiliary information is reported to the eNB by the WT and finally transmitted to the 3GPP network.
  • the execution entity is a network element of the WLAN network
  • the user equipment may transmit the first auxiliary information to the WT through the eNB and transmit the information to
  • the auxiliary information may include information reflecting AP attribute parameters or status parameters in the current network architecture, and the information can be used for making AP group division decisions.
  • the first auxiliary information includes at least one of the following:
  • the user equipment uses usage status information of each AP within a specified time
  • the user equipment measures AP information that determines an unavailable AP
  • the user equipment is capable of scanning but not associated with AP information of the AP;
  • the AP information described in this embodiment may include identification information of the AP and usage frequency information.
  • the AP identification information may include one or more of a Basic Service Set Identifier (BSSID), a Service Set Identifier (SSID), and a Medium Access Control (MAC).
  • BSSID Basic Service Set Identifier
  • SSID Service Set Identifier
  • MAC Medium Access Control
  • the AP will send a scan signal for the UE to scan, so that the UE discovers the AP to access the AP.
  • the AP that the UE can be associated with is the AP that the UE can scan and access.
  • the AP is limited to the status of the authorization or the AP.
  • the status of the AP is limited to the AP. Although it can scan to but not access AP.
  • the usage status information of each AP used by the user equipment in a specified time may include: which APs are accessed by the UE in a specified time, which APs are used to provide services, the frequency of accessing each AP, and the like. Which APs the UE prefers to access under the direction of the user, and the usage status information may include the AP of the UE. Use to record information and so on.
  • the association time information of the AP indicates information such as the length of time that the UE establishes a connection with the AP, or information such as the time point at which the UE establishes an association with the AP.
  • the load status information of the AP indicates the load status of the AP, indicating whether the AP can have idle resource association (connection) or provide information such as WLAN service for more UEs.
  • the AP information of the AP whose association time is greater than the preset association threshold may be used to indicate which APs establish a connection with the UE for a time greater than a preset association threshold.
  • the AP information of the AP whose load is greater than the preset load threshold can be used to indicate whether the current load of the AP is greater than the preset load threshold. Generally, if the AP is greater than the preset load threshold, the current load of the AP is too large.
  • the switching frequency information of the user equipment between the APs may be used to indicate the switching frequency of the UE between each AP, and between which APs to switch.
  • the second auxiliary information includes at least one of the following:
  • the NE connection information of the AP The NE connection information of the AP
  • the AP location information includes the location set by the AP; the location set by the AP can determine the coverage of the WLAN signal sent by the AP, and the like.
  • Neighbor relationship information between APs indicates which APs are adjacent APs and are adjacent to each other. The relationship can facilitate the handover of the UE before different APs.
  • the information of the initial AP group indicates which APs are attributed to the same AP group and attribute parameters of these AP groups. For example, some AP groups temporarily set parameters such as prohibiting access.
  • the AP information of the AP is unavailable, indicating which AP groups are unavailable. For example, in some AP groups, the AP group is unavailable because of the AP's exit and AP failure. In this case, the AP group needs to be updated in time to facilitate the AP handover of the subsequent UE, the balance of the LTE network load, and the AP handover control.
  • the AP handover in this application includes that the UE establishes a connection with one AP and switches to establish a connection with another AP.
  • the network element connection information of the AP indicates which WLAN network elements are connected to the AP, for example, whether the AP connects to the LTE network through its internal WT, or establishes a connection with the LTE network through the external WT, and which WLAN routes are connected to the AP or Access information such as Access Controller (AC) devices.
  • the AP is divided into AP groups. For example, all APs connected to the same AP group or all APs in the same AP group are connected to APs on the same WT.
  • How to perform the AP grouping specifically in step S120 in this embodiment may include the following:
  • the AP grouping according to the grouping policy to form an AP group according to the grouping information includes at least one of the following:
  • the coverage areas of the N APs of the same AP group are continuously distributed; the N is an integer not less than 1;
  • APs in the same AP group are connected to the same WT.
  • Different AP groups include different APs.
  • the coverage areas of the two or three APs that belong to the same AP group are the same. In this way, the UE can ensure better handover between APs in the same AP group. If the coverage area of the two APs that belong to an AP group is formed with a coverage blind spot, if the UE is located in the coverage blind spot, it cannot connect with any AP in the AP group, and cannot switch to any one. The AP will cause the WLAN service to be interrupted. If the UE needs to perform data transmission at this time, it will have to go through the LTE network. Obviously, this will lead to a reduction in the network service effect.
  • APs of the same AP group are connected to the same WT.
  • an AP group information You need to report the WT through a WT.
  • the LTE can control the AP group through the control information sent by the WT.
  • the control information can be sent only through the WT.
  • the information transmission and network control are simple.
  • Different APs include different APs. It can be considered that any two AP groups include different APs. In essence, one AP can belong to only one AP group. If an AP is in the two AP groups, the group parameters of the two APs are different, which may cause conflicts between parameter settings and function implementation of the AP, resulting in unstable or faulty states.
  • step S120 further includes:
  • the cross-group switching frequency may be a parameter determined based on switching frequency information between the APs of the user equipment, or may be information included in the first auxiliary information or the second auxiliary information.
  • the AP group 1 and the AP group 2 are included; the inter-group switching between the AP group 1 and the AP group 2 is very frequent, so that when the cross-group switching frequency is greater than the first preset frequency, the two APs are Combine and merge into a new AP group.
  • the UE can switch more freely between each AP in the new AP group; avoid the network element (such as eNB) that frequently requests the LTE network to perform cross-group handover.
  • the network element such as eNB
  • AP group 1 includes AP1, AP2, and AP3;
  • AP1 receives UEs that are handed over from AP group 2 with high frequency, and also processes UEs that switch from AP group 1 to AP group 2 with high frequency processing.
  • AP1 can be adjusted to the AP group 2.
  • AP1 will be added to AP group 2, and AP1 will delete AP1, leaving only AP2 and AP3.
  • step S120 further includes:
  • the AP or AP group whose load is higher than the specified load threshold is re-AP-grouped to update the AP group.
  • the load of the single AP may be determined according to the load status information of the AP, and the load of the entire AP group may also be determined.
  • APs with lower current load are introduced through the adjustment of the AP group to achieve load balancing.
  • the load of an AP is too high, higher than the specified load
  • the threshold is reached, it can be added to the AP group with lower load, and the AP load can also be quickly balanced by the UE.
  • the step S120 further includes at least one of the following:
  • the execution subject eNB or the WT acquires the first auxiliary information and the second auxiliary information at the same time; the first auxiliary information and the second auxiliary information may be stored in some overlapping information, and which information is used as the implementation The basis information of the AP group. In the embodiment, it is decided according to a priority policy. Therefore, in this embodiment, the AP grouping may be preferentially performed according to the first auxiliary information based on the first priority policy, or the AP grouping may be performed according to the second auxiliary information based on the second priority policy.
  • the preferential AP grouping according to the first auxiliary information may include any one of the following: performing AP grouping based only on the first auxiliary information; based on the first auxiliary information and the first auxiliary information but not the second auxiliary information The grouping is performed; when both the first auxiliary information and the second auxiliary information provide the reporting information for the same parameter, when the estimated value is calculated, the reporting parameter of the first auxiliary information may be corresponding to a larger weight.
  • the preferential AP grouping according to the second auxiliary information may include any one of the following: performing AP grouping based only on the second auxiliary information; based on the second auxiliary information and the second auxiliary information but not including the first auxiliary information The grouping is performed; when both the second auxiliary information and the first auxiliary information provide the reporting information for the same parameter, when the estimated value is calculated, the reporting parameter of the second auxiliary information may be corresponding to a larger weight.
  • the step S120 may also perform the AP grouping based on the information intersection of the first auxiliary information and the second auxiliary information.
  • the information intersection is information that is both the first auxiliary information and the second auxiliary information, and the information is determined when the specific information content of the first auxiliary information and the second auxiliary information is less than a specified threshold.
  • the message belongs to the information within the intersection of the information.
  • the first auxiliary information reported by the UE includes the association time of the AP1 being 1 second
  • the second auxiliary information reported by the WT includes the association time of the AP1 being 1.01 seconds.
  • the first auxiliary information and the second auxiliary information are both Including the association time of the AP1, and the difference value of the association time is 0.01 seconds, which is smaller than the specified threshold; at this time, the information intersection of the first auxiliary information and the second auxiliary information may be considered to include the association time of the AP1. .
  • the method further includes:
  • Step S130 Set an attribute parameter of the AP group based on the auxiliary information.
  • the attribute parameters of the AP group are also set in this embodiment.
  • the attribute parameters of the AP group here include parameters that are valid for all APs in the entire AP group; for example, whether the AP group temporarily prohibits access and handover parameters.
  • the working state of the AP group and the indirect control AP switching can be controlled.
  • an execution entity such as an eNB may automatically send an acquisition request of the auxiliary information to the UE or the WT; and receive the first auxiliary information or the second auxiliary returned by the UE or the WT according to the acquisition request. information.
  • the AP group is determined, and the information of the AP group is determined.
  • the information of the AP group usually includes the identification information of the AP group, the number of APs, and the AP information of each AP.
  • the identification information of the AP group may include information such as a group number.
  • the information of the AP group further includes attribute parameters of the AP group.
  • the AP group determining method in this embodiment can be used in a communication scenario in which a WLAN and a 3GPP network are coupled, and the AP packet is automatically determined by the communication network element, and the AP packet determined in this manner can be used to implement the AP packet. Tight coupling of WLAN and 3GPP networks.
  • the eNB or the WT or the like performs the steps S110 to S120 periodically or periodically to dynamically update the AP group in time.
  • the executing entity such as the eNB or the WT may determine the timing of updating the AP group according to parameters such as the coupling state of the WLAN and the LTE network, and then perform the steps S110 to S120.
  • the execution of the step S110 and the step S120 by the execution subject may also be based on the acquisition of the auxiliary information. For example, the UE measures to obtain the first auxiliary information, and if it is found that the specified information in the first auxiliary information is updated, it is automatically reported to the eNB or the WT. At this time, the WT or the eNB will receive the updated auxiliary information.
  • the S110 to the step S120 are automatically performed to automatically update the AP group in time to ensure the service quality of the network.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • the AP group determining method in this example includes:
  • Step S11 The eNB receives the first auxiliary information.
  • the first auxiliary information is sent by the UE, and includes AP information of the scanable AP and an AP that is unavailable; the details are as follows:
  • the number of APs that can be scanned 5 which are AP1, AP3, AP3, AP4, and AP5.
  • Step S12 The eNB receives the second auxiliary information.
  • the second auxiliary information is sent by the WT.
  • the second auxiliary information includes information of an initial AP group.
  • the information of the initial AP group indicates that the initial AP group is as follows:
  • AP group 1 including AP1, AP2, and AP3;
  • Step S13 The eNB performs an AP grouping to determine an AP group. After receiving the first auxiliary information and the second auxiliary information, the eNB performs grouping based on the first auxiliary information and the second auxiliary information.
  • the results after the AP grouping are as follows:
  • AP group 1 including AP1 and AP3;
  • AP group 2 including AP4 and AP5.
  • AP2 that is not available in AP group 1 is deleted and deleted.
  • Packet AP group 3 where AP6 is not scanned.
  • -AP group 1 AP1, AP2, AP3,
  • -AP group 2 AP4, AP5,
  • step S11 and step S12 in this example may be reversed.
  • the information of the AP group determined by the eNB at the current moment is as follows:
  • AP group 1 including AP1, AP2, AP3, AP4, and AP5;
  • AP group 2 including AP6, AP7, and AP8;
  • the neighboring APs of AP2 include AP1 and AP3; and the coverage areas of AP2 are respectively connected to the coverage areas of AP1 and AP3.
  • the neighboring APs of AP4 include AP3 and AP5; and the coverage areas of AP4 are respectively connected to the coverage areas of AP3 and AP5.
  • the AP group determining method in this example includes:
  • Step S21 The second auxiliary information is received, and the second auxiliary information is information of the AP that is sent by the WT and reported by the WT or the AP.
  • Step S22 Perform AP grouping based on the second auxiliary information, thereby updating the AP group.
  • the second auxiliary information received in step S21 indicates that the load of the AP3 is greater than a certain set load threshold.
  • the formed APs are grouped as follows:
  • AP group 1 including AP1 and AP2;
  • AP group 2 including AP6, AP7, and AP8;
  • AP group 3 including AP4 and AP5.
  • the AP3 is removed from the AP group 1 to prevent the AP3 from remaining in the AP group 1. As a result, the UEs connected to AP1 and AP2 are no longer involved in the eNB's participation decision. This leads to aggravation of further load on AP3.
  • the information of the AP group determined by the eNB at the current moment is as follows:
  • AP group 1 including AP1, AP2, AP3, AP4, and AP5;
  • AP group 2 including AP6, AP7, and AP8.
  • the AP group determining method in this example includes:
  • Step S31 Receive the first auxiliary information.
  • the first auxiliary information is reported by the UE.
  • Step S32 Perform AP grouping based on the first auxiliary information, thereby updating the AP group.
  • the first auxiliary information in this example indicates that the AP 6 can be scanned but cannot be associated with the AP 6.
  • the updated AP group is as follows:
  • AP group 1 including AP1, AP2, AP3, AP4, and AP5;
  • AP group 2 including AP7 and AP8.
  • the AP6 in the AP group 2 is deleted, and the AP6 is kept in the AP group 2.
  • the UE connected to the AP group 2 has been trying to associate with the AP6.
  • the method for obtaining the second auxiliary information in the present example includes:
  • Step S41 The eNB sends an auxiliary information report request to the WT, where the auxiliary information report request is equivalent to the auxiliary information acquisition request in the foregoing embodiment.
  • Step S42 The eNB receives the second auxiliary information.
  • the second auxiliary information is sent by the WT in response to the auxiliary information reporting request.
  • the method for obtaining the second auxiliary information in the present example includes:
  • Step S51 The eNB sends an auxiliary information report request to the UE, where the auxiliary information report request is equivalent to the auxiliary information acquisition request in the foregoing embodiment.
  • Step S52 The eNB receives the first auxiliary information.
  • the first auxiliary information is that the UE is ringing
  • the auxiliary information is reported to be sent by the request.
  • the embodiment provides a wireless access point AP group determining apparatus, where the apparatus includes:
  • the obtaining unit 110 is configured to obtain auxiliary information, where the auxiliary information includes first auxiliary information sent by the user equipment and/or second auxiliary information formed by the wireless local area network endpoint WT;
  • the grouping unit 120 is configured to perform AP grouping according to the grouping policy to form an AP group based on the auxiliary information.
  • the obtaining unit 110 in this embodiment may include a communication interface, and is configured to acquire the auxiliary information.
  • the obtaining unit 110 may include an X2 interface, configured to receive the first auxiliary information from the UE, and further include an Xw interface, configured to receive the second auxiliary information from the WT.
  • the device may also be a WT
  • the obtaining unit 110 includes a processor or processing circuit configured to acquire the second auxiliary information by reading information stored inside the WT.
  • the obtaining unit 110 may further include an interface that can communicate with the eNB, and the first auxiliary information is received by the eNB from the UE.
  • the WT can also receive the first auxiliary information directly from the UE.
  • the grouping unit 120 can include a processor or processing circuitry.
  • the processor can include an application processor, a central processing unit, a digital signal processor or a programmable array, and the like.
  • the processing circuit can include an application specific integrated circuit.
  • the AP group determining apparatus in this embodiment may be other network elements in the LTE network or the WLAN network, such as an MME or an AC, in addition to the eNB and the WT.
  • the AP group determining device is an eNB and a WT, the transmission node and the number of transmissions of the auxiliary information can be reduced, and the packet efficiency is improved.
  • the first auxiliary information includes at least one of the following:
  • the user equipment uses usage status information of each AP within a specified time
  • the user equipment measures AP information that determines an unavailable AP
  • the user equipment is capable of scanning but not associated with AP information of the AP;
  • the second auxiliary information may include at least one of the following:
  • the NE connection information of the AP The NE connection information of the AP
  • the grouping unit 120 is configured to implement at least one of the following:
  • the N is an integer not less than 1;
  • the grouping strategy described above can ensure that the formed AP group can achieve tight coupling between the WLAN and the 3GPP network.
  • the grouping unit 120 is configured to merge the AP groups whose cross-group switching frequency is greater than the first preset frequency; and/or adjust the AP group in which the cross-group switching frequency is greater than the AP of the second preset frequency.
  • the grouping unit 120 further performs the merging between the AP groups according to the cross-group switching frequency and/or the AP group in which the AP is located, so that the AP group can be dynamically adjusted to provide better WLAN.
  • AP group that is tightly coupled with the 3GPP network.
  • the grouping unit 120 is further configured to re-AP group the AP or the AP group whose load is higher than the specified load threshold, and update the AP group.
  • the grouping unit also performs AP grouping according to the load of the AP group and/or the load of the AP, so as to achieve better load balancing, so as to avoid that some AP groups or APs are too large, and some APs or AP groups. Being idle, making better use of WLAN resources and increasing system throughput.
  • the device also includes:
  • the setting unit is configured to set an attribute parameter of the AP group based on the auxiliary information.
  • the setting unit described in this embodiment may include a storage medium, and the storage medium is configured to store an attribute parameter of the AP group.
  • the attribute parameters of the AP group can maintain parameters that can be used to control the working state of the AP.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage device includes the following steps: the foregoing storage medium includes: a mobile storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.

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Abstract

一种无线接入点AP组确定方法及装置，所述方法包括：获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；基于所述辅助信息，按照分组策略进行AP分组形成AP组。

Description

AP组确定方法及装置 技术领域
本文涉及但不限于无线通信领域，尤其涉及一种AP组确定方法及装置。
背景技术
随着无线通信技术和标准的不断演进，移动分组业务得到了巨大的发展，单用户设备的数据吞吐能力不断在提升。以长期演进(Long Term Evolution，LTE)系统为例，在20M带宽内可以支持下行最大速率100Mbps的数据传输，后续的增强的LTE(LTE Advanced)系统中，数据的传输速率将进一步提升，甚至可以达到1Gbps。
用户设备数据业务量膨胀式的增长，让现有的网络资源渐渐力不从心，尤其是在新一代通信技术(比如3G、LTE)还无法广泛布网的情况下，随之而来的是用户速率和流量需求无法满足，用户体验的变差。如何预防和改变这一情况是运营商必须考虑的问题，一方面需要加快新技术的推广和网络部署；另一方面，希望能够通过对相关网络和技术进行增强，以达到快速提升网络性能的目的。众所周知的，在第三代合作伙伴计划(The 3rd Generation Partnership Project，3GPP)提供的无线网络技术之外，当前已经普遍应用的无线局域网(Wireless Local Area Network，WLAN)，尤其是基于电气和电子工程师学会(Institute of Electrical and Electronics Engineers，IEEE)802.11标准的无线局域网已经在家庭、企业甚至是互联网被广泛应用于热点接入覆盖。其中由WiFi联盟(Wi-Fi Alliance)提出的技术规范应用最广，因此实际中WiFi网络经常跟基于IEEE 802.11标准的WLAN网络划等号，在不引起混淆的情况下，后文也采用WiFi模块来描述网络节点中支持WLAN的无线收发和处理模块。
在这一前提下，有的运营商和公司已经提出将WLAN与现有3GPP网络进行融合，实现联合传输，以达到负荷分流和提高网络性能的目的。3GPP SA2通过了接入网发现和选择功能单元(Access Network Discovery and Selection  Functions，ANDSF)方案，提供了一种根据运营商策略为用户设备选择目标接入网络的模式。
通信协议3GPP R10定义了ANDSF标准，ANDSF作为接入锚点实现智能选网，通过网络与用户设备的交互协同，实现网络接入的有效分流，符合未来多网协同的运营方向。ANDSF基于网络负荷、用户设备能力、用户签约情况等信息制定策略，帮助用户设备用户选择最佳接入的网络制式，实现多种接入方式的协同运营。ANDSF既可以单独部署，也可与其它网元合设。目前，业界主流观点认为ANDSF可以部署在PCC设备上。
ANDSF是一个基于核心网的WLAN互通方案，并没有考虑到对接入网的影响，此外由于ANDSF是一个相对静态的方案，不能很好对网络负荷与信道质量动态变化的情况进行适应，因此在3GPP接入网组也开展了WLAN huto9ng讨论。在3GPP R12WLAN/3GPP无线互操作中，执行WLAN分流的规则和触发的机制被引入。
然而，核心网机制和来自无线接入网的辅助信息机制不能提供给网络侧实时地使用负荷和信道条件从而合并使用无线资源。另外，来自相同承载的数据不能同时在3GPP和WLAN链路上服务。因此WLAN与3GPP网络集成的需求在无线接入网络(Radio Access Network，RAN)65次全会被重新提出。
相比目前已经研究的依赖于策略和触发的WLAN分流方案，RAN层次聚合的WLAN与3GPP网络集成，简称WLAN和3GPP网络紧耦合，类似于载波聚合和双连接，为总体系统提供更好地双连接上资源的控制和利用。在无线层的紧集成和聚合允许更多的实时联合调度WLAN与3GPP网络的无线资源，因此提高用户服务质量(Quality of Service，QoS)和整体系统容量。通过更好管理用户间的无线资源，能增加所有用户的集体吞吐量和提供整个系统容量。基于实时信道条件和系统使用情况下，每个链路调度决定能够做到每一个包的层次。用户面锚定在可靠的LTE网络，可以通过回退到LTE网络来提高性能。
WLAN和3GPP网络紧耦合能应用于同地协作场景(eNB与无线接入点(Access Point，AP)之间通过内部接口完成RAN层集成操作)和非同地协 作场景(eNB与AP之间通过外部接口完成RAN层集成操作)，这个本质上分别类似于3gpp载波聚合和双连接。
在WLAN和3GPP网络紧耦合应用场景中，AP可划分为多个AP组；用户设备在同一个AP组内的移动，可以不通知3GPP网络，即对LTE网络的网元是透明的。但是用户设备在不同的AP组之间的移动，可能需要3GPP网络的网元参与控制，以更好的均衡负载及提高传输效率或质量或系统容量。
现在就引来一个新的问题，AP组如何划分问题。AP组如何划分才能保证WLAN和3GPP网络紧耦合在相关技术中还未提供解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例期望提供一种AP组确定方法及装置，能够实现划分的AP组满足WLAN和LTE网络紧耦合的需求。
本发明实施例的技术方案是这样实现的：
本发明实施例第一方面提供一种无线接入点AP组确定方法，所述方法包括：
获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
基于所述辅助信息，按照分组策略进行AP分组形成AP组。
基于上述方案，所述第一辅助信息包括以下至少其中之一：
所述用户设备扫描到的AP的AP信息；
所述用户设备能够关联的AP的AP信息；
所述用户设备在指定时间内使用每个AP的使用状况信息；
所述用户设备测量确定不可用AP的AP信息；
所述用户设备能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP的AP信息；
负荷大于预设负荷门限的AP的AP信息；
所述用户设备在AP之间的切换频次信息。
基于上述方案，所述第二辅助信息包括以下至少其中之一：
AP位置信息；
AP之间的相邻关系信息；
初始AP组的信息；
不可用AP的AP信息；
能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP信息；
负荷大于预设负荷门限的AP信息；
AP的网元连接信息；
所述用户设备在AP之间的切换频次信息。
基于上述方案，所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，包括以下至少其中之一：
同一AP组的N个AP的覆盖区域连续分布；所述N为不小于1的整数；
同一AP组的AP连接在相同的WT上；
不同AP组包括的AP不同。
基于上述方案，所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，还包括以下至少其中之一：
将跨组切换频次大于第一预设频次的AP组进行合并；
调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
基于上述方案，所述基于所述辅助信息，按照分组策略进行AP分组形 成AP组，还包括：
将负荷高于指定负荷门限的AP或AP组进行重新AP分组，更新AP组。
基于上述方案，所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，包括以下至少其中之一：
基于第一优先策略，优先根据所述第一辅助信息进行所述AP分组；
基于第二优先策略，优先根据所述第二辅助信息进行所述AP分组。
基于上述方案，所述方法还包括：
基于所述辅助信息，设置所述AP组的属性参数。
本发明实施例第二方面提供一种无线接入点AP组确定装置，所述装置包括：
获取单元，设置为获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
分组单元，设置为基于所述辅助信息，按照分组策略进行AP分组形成AP组。
基于上述方案，所述分组单元，是设置为通过以下至少其中之一实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：
将覆盖区域连续的N个AP分到同一个AP组；所述N为不小于1的整数；
将连接在不同的WT的AP划分到不同的AP组；
将一个AP划分到一个AP组。
基于上述方案，所述分组单元，是设置为通过以下至少其中之一实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：将跨组切换频次大于第一预设频次的AP组进行合并；调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
基于上述方案，所述分组单元，还设置为通过以下方式实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：将负荷高于指定负荷门限的AP或AP组进行重新AP分组，更新AP组。
基于上述方案，所述装置还包括：
设置单元，设置为基于所述辅助信息，设置所述AP组的属性参数。
基于上述方案，所述装置为eNB或WT。
本发明实施例提供了一种AP组确定方法及装置，将获取反应AP当前状态、UE与AP的关联状态等情况的辅助信息，根据辅助信息来进行AP分组，确定出AP组。首先提出了一种AP组的确定方法，其次，基于上述辅助信息进行AP分组得到的AP组，能够很好的满足WLAN和LTE网络紧耦合的需求。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为本发明实施例提供的一种WLAN和3GPP网络耦合的结构示意图；
图2为本发明实施例提供的第一种AP组确定方法的流程示意图；
图3为本发明实施例提供的第二种AP组确定方法的流程示意图；
图4为本发明实施例提供的第三种AP组确定方法的流程示意图；
图5为本发明实施例提供的第四种AP组确定方法的流程示意图；
图6为本发明实施例提供的第五种AP组确定方法的流程示意图；
图7为本发明实施例提供的第一种获取辅助信息的流程示意图；
图8为本发明实施例提供的第二种获取辅助信息的流程示意图
图9为本发明实施例提供的一种AP组确定装置的结构示意图。
本发明的实施方式
图1所示，为一个WLAN和3GPP网络耦合的结构示意图。即3GPP网络的演进型基站eNB与WLAN的WLAN网元之间通过外部接口Xw完成RAN层集成操作。所述WLAN网元包括无线局域网终结点(Wireless LAN Termination，WT)。所述WT可以为集成在其他WLAN网元(如AP) 上的一个逻辑节点，也可以是单独设置的实体节点。所述WT作为通过接口Xw与LTE网络中的网元进行信息交互。
在本申请实施例中用户设备(User Equipment，UE)在同一AP组内可以在不告知LTE网络的情况下自由移动，UE在不同的AP组或包括WT的AP组移动时，需要告知LTE网络，由其进行控制，以更好的实现WLAN和3GPP网络的耦合。这样的话，AP组的构成就至关重要了，比如，WLAN下面可能有N个AP，这些AP是否为一个组，还是划分为多个组，划分为一个组可以使用户设备能够在WT机制移动，对3GPP网络侧是透明的，减少3GPP网络侧过多的控制，划分WT下的AP为多个组能够更多受网络侧控制；AP当前的状态是可用还是不可用性是动态变更的，这个必然会导致对AP组划分的影响，比如本来是一个组的AP，由于其中一个AP去激活了或者不可用了，导致地理位置上形成了两个组。故有鉴于此，本申请实施例所述的AP组确定方法，将获取UE检测的AP的第一辅助信息和/或WT检测AP形成的第二辅助信息，基于这些辅助信息来进行AP组划分。这样的话，就能够这些反应AP当前状态、UE与AP的关联状态等情况的辅助信息，很好的实现所述AP组的确定。图1中的MME为移动管理实体，与eNB相连属于3GPP网络的网元。
以下结合说明书附图及具体实施例对本发明的技术方案做进一步的详细阐述。
方法实施例：
如图2所示，本实施例提供一种无线接入点AP组确定方法，所述方法包括：
步骤S110：获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
步骤S120：基于所述辅助信息，按照分组策略进行AP分组形成AP组。
实现本实施例所述的方法的执行主体可以为3GPP网络的网元，如eNB，无线网络控制器RNC；还可以是WLAN网络的网元，如WT、AP或AC。但若所述执行主体为所述WLAN网络的网元，最终需要上报给3GPP网络，以便3GPP网络对WLAN和3GPP网络紧耦合进行控制。当所述执行主体为 所述3GPP网络的网元时，所述第二辅助信息是通过WT上报给所述eNB并最终传输至3GPP网络的。若所述执行主体为WLAN网络的网元时，用户设备可通过eNB将第一辅助信息传输至WT并传输至WLAN网络。
所述辅助信息可包括反映当前网络架构下AP属性参数或状态参数的信息，这些信息均能够用于进行AP组划分的决策。
所述第一辅助信息包括以下至少其中之一：
所述用户设备扫描到的AP的AP信息；
所述用户设备能够关联的AP的AP信息；
所述用户设备在指定时间内使用每个AP的使用状况信息；
所述用户设备测量确定不可用AP的AP信息；
所述用户设备能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP信息；
负荷大于预设负荷门限的AP信息；
所述用户设备在AP之间的切换频次信息。
本实施例中所述的AP信息可包括AP的标识信息和使用频点信息。所述AP标识信息可包括基本服务集标识符(Basic Service Set Identifier，BSSID)、服务集标识符(Service Set Identifier,SSID)及媒体访问控制地址(Medium Access Control，MAC)的一个或多个。
AP会发出扫描信号供UE扫描，以使UE发现AP以便接入该AP。
UE可以关联到的AP为UE能够扫描到并接入的AP；有一些AP局限于授权或AP的状态，其中，局限于AP的状态包括AP本身负荷已达到极限，处于拒绝接入状态，UE虽然能够扫描到但并非能够接入的AP。
所述用户设备在指定时间内使用每个AP的使用状况信息可包括：UE在指定时间内接入哪些AP，利用了哪些AP提供服务，访问每个AP的频次等。UE在用户指示下偏好访问哪些AP，这些使用状况信息可包括UE的AP使 用记录信息等。
所述AP的关联时间信息表明UE与AP建立连接的时间长短的信息，或UE与AP建立关联的时刻点等信息。
AP的负荷状况信息表明的是AP的负荷状况，表明AP是否能够有空闲资源关联(连接)或为更多的UE提供WLAN服务等信息。
关联时间大于预设关联门限的AP的AP信息，可用于表明哪些AP与UE建立连接的时间大于预设关联门限。
负荷大于预设负荷门限的AP的AP信息，可用于表明AP的当前负荷是否大于的预设负荷门限，一般若大于预设负荷门限，表明AP当前负荷过大。
所述用户设备在AP之间的切换频次信息，可用于表明UE在每个AP之间的切换频率，以及在哪些AP之间进行切换。
所述第二辅助信息包括以下至少其中之一：
AP位置信息；
AP之间的相邻关系信息；
初始AP组的信息；
不可用AP的AP信息；
能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP信息；
负荷大于预设负荷门限的AP信息；
AP的网元连接信息；
所述用户设备在AP之间的切换频次信息。
AP位置信息包括AP设置的位置；AP设置的位置，能够决定AP发送的WLAN信号的覆盖范围等。
AP之间的相邻关系信息，表明了哪些AP是相邻设置的AP，通过相邻 关系可方便UE在不同AP之前的切换。
初始AP组的信息，表明初始哪些AP是归属于同一AP组，这些AP组的属性参数。例如有些AP组暂时设置禁止接入等参数。
不可用AP的AP信息，表明有哪些AP组是不可用的。例如有些AP组因为AP的退出、AP的故障等原因导致AP组不可用，这样的话，需要及时更新AP组，方便后续UE的AP切换和LTE网络负荷的均衡以及AP切换的控制。本申请中AP切换包括UE与一个AP建立有连接，切换到与另一个AP建立连接。
所述AP的网元连接信息，表明所述AP连接了哪些WLAN网元，例如AP是通过其内部的WT与LTE网络连接，还是通过外部WT与LTE网络建立连接，AP连接了哪些WLAN路由或接入(Access Controller，AC)设备等信息。这样的话，方便执行主体进行AP组的划分，例如将连接到同一WT上的AP划分到同一AP组或控制同一个AP组内的所有AP都是连接到同一WT上的AP。
在本实施例所述步骤S120中具体如何进行所述AP分组，可包括如下：
所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，包括以下至少其中之一：
同一AP组的N个AP的覆盖区域连续分布；所述N为不小于1的整数；
同一AP组的AP连接在相同的WT上；
不同的AP组包括的AP不同。
在本实施例中归属到同一AP组的2个或3个AP的覆盖区域是相同的，这样的话，才能够保证UE在同一个AP组内的AP之间实现更好的切换。若归属于通过一AP组的两个AP的覆盖区域之前形成有覆盖盲点地带，这样的话，当UE位于该覆盖盲点地带时，无法与该AP组内任何一个AP连接，也无法切换到任何一个AP，会导致WLAN服务的中断，若UE此时需要进行数据传输，就不得不通过LTE网络来进行，显然这样会导致网络服务效果的降低。
同一AP组的AP连接在相同的WT上。这样的话，若一个AP组的信息 需要通过WT上报，进行通过一个WT上报即可，LTE通过WT下发控制信息控制该AP组，也仅需通过该WT下发控制信息即可，信息传输和网络控制更为简便。
不同的AP组包括的AP不同，可认为任意两个AP组包括的AP均不同，实质上一个AP仅能归属到一个AP组。若一个AP位于两个AP组的情况，这两个AP组的组参数不同时，可能会导致该AP出现参数设置和功能实现的冲突，从而导致不稳定或故障状态。
作为本实施例的进一步改进，所述步骤S120还包括：
将跨组切换频次大于第一预设频次的AP组进行合并；
调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
所述跨组切换频次可为基于所述用户设备在AP之间的切换频次信息确定的参数，也可以是包含在所述第一辅助信息或所述第二辅助信息中的信息。
例如，包括AP组1和AP组2；UE在AP组1和AP组2之间的跨组切换非常频繁，以致于所述跨组切换频次大于第一预设频次时，将这两个AP组合并成一个新的AP组。这样的话，UE可以在新的AP组内的每个AP之间更加自由的切换；避免频繁请求LTE网络的网元(如eNB)进行跨组切换的判决。
例如，AP组1包括AP1、AP2和AP3；AP1高频率的接收从AP组2切换过来的UE，也高频率的处理从AP组1切换到AP组2的UE离开。这个时候，为了更好的实现UE在AP1与AP组2内的AP之间的切换，可以将AP1调整到AP组2中。调整后，AP组2中将增加AP1，而AP组1将删除AP1，仅剩下AP2和AP3。
作为本实施例的再次改进，所述步骤S120还包括：
将负荷高于指定负荷门限的AP或AP组重新进行AP分组，更新AP组。
本所述步骤S120中可以根据前述的AP的负荷状况信息，确定单个AP的负荷，也可以确定出整个AP组的负荷。
例如，当一个AP组内的负荷过多时，通过AP组的调整，引入当前负荷较低的AP，实现负荷均衡。当某一个AP的负荷过高，高于所述指定负荷 门限时，可以将其加入负荷较低的AP组中，同样通过UE的AP切换也能快速的负荷的均衡。
所述步骤S120还包括以下至少其中之一：
基于第一优先策略，优先根据所述第一辅助信息进行所述AP分组；
基于第二优先策略，优先根据所述第二辅助信息进行所述AP分组。
当执行主体eNB或WT同时获取到了所述第一辅助信息和第二辅助信息；了所述第一辅助信息和所述第二辅助信息可能存储在一些重叠的信息，具体以哪个信息作为进行所述AP分组的依据信息。在实施例中依据优先策略来决定。故在本实施例中可基于第一优先策略，优先根据第一辅助信息进行AP分组，也可以基于第二优先策略优先根据所述第二辅助信息进行AP分组。
这里的优先根据第一辅助信息进行AP分组可包括以下的任意一种：仅基于第一辅助信息进行AP分组；基于第一辅助信息和第一辅助信息中没有但是第二辅助信息确有的信息进行分组；当第一辅助信息和第二辅助信息都提供了对同一参数的上报信息，在计算估算值时，可以使第一辅助信息的上报参数对应有更大的权值。
这里的优先根据第二辅助信息进行AP分组可包括以下的任意一种：仅基于第二辅助信息进行AP分组；基于第二辅助信息和第二辅助信息中没有但是第一辅助信息确有的信息进行分组；当第二辅助信息和第一辅助信息都提供了对同一参数的上报信息，在计算估算值时，可以使第二辅助信息的上报参数对应有更大的权值。
当然在具体实现时，不局限于上述方法。
当然，所述步骤S120还可基于第一辅助信息和第二辅助信息的信息交集来进行所述AP分组。信息交集即为所述第一辅助信息和所述第二辅助信息都有的信息，且该信息在所述第一辅助信息和所述第二辅助信息的具体信息内容相差小于指定阈值时，确定该消息属于所述信息交集内的信息。例如，UE上报的第一辅助信息包括AP1的关联时间为1秒，WT上报的第二辅助信息包括AP1的关联时间为1.01秒。首先第一辅助信息和第二辅助信息都 包括所述AP1的关联时间，且这个关联时间的差异值为0.01秒，小于所述指定阈值；这时可认为所述第一辅助信息和第二辅助信息的信息交集包括所述AP1的关联时间。
如图3所示，所述方法还包括：
步骤S130：基于所述辅助信息，设置所述AP组的属性参数。
在本实施例中还设置所述AP组的属性参数。这里的AP组的属性参数包括对整个AP组内的所有AP都有效的参数；例如设置AP组是否暂时禁止接入和切换等参数。
通过所述AP组的属性参数的设置，可以控制所述AP组的工作状态及间接控制AP的切换。
在具体的实现过程中，执行主体如eNB可自动向所述UE或WT发送辅助信息的获取请求；并接收UE或WT基于所述获取请求返回的所述第一辅助信息或所述第二辅助信息。
在执行完上述步骤S120之后，就确定了AP组，从而也就确定了AP组的信息；AP组的信息通常包括AP组的标识信息、AP的个数、每个AP的AP信息。所述AP组的标识信息可包括组号等信息。
在执行完上述步骤S130之后，所述AP组的信息还包括AP组的属性参数。
总之，本实施例所述的AP组确定方法，可以用于WLAN和3GPP网络耦合的通信场景中，由通信网元自动确定AP分组，且采用这种方式确定的AP分组能够很好用于实现WLAN和3GPP网络的紧耦合。
在具体实现时，eNB或WT等执行主体，周期性的或定时的执行所述步骤S110至步骤S120，以便及时动态的更新所述AP组。所述eNB或WT等执行主体也可以根据WLAN和LTE网络的耦合状态等参数，确定更新所述AP组的时机，进而执行所述步骤S110至步骤S120。所述执行主体执行所述步骤S110和步骤S120也可以是基于辅助信息的获取。例如UE测量获取所述第一辅助信息，若发现第一辅助信息中的指定信息有更新，则自动上报给所述eNB或WT，这个时候，WT或eNB将接收到更新后的辅助信息， 自动执行所述S110至步骤S120，以实现自动及时更新所述AP组，保证网络的服务质量。
本发明实施例还提供了一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行上述方法。
以下提供几个具体示例：
示例一：
如图4所示，本示例所述AP组确定方法包括：
步骤S11：eNB接收第一辅助信息。所述第一辅助信息由UE发送，包括可扫描到的AP的AP信息及不可用的AP；具体如下：
可扫描到的AP的个数：5个，分别是AP1、AP3、AP3、AP4及AP5。
每个AP的信息：BSSID,SSID,MAC，频点等
AP2不可用。
步骤S12：eNB接收第二辅助信息。所述第二辅助信息由WT发送。所述第二辅助信息包括初始AP组的信息。
所述初始AP组的信息表明初始AP组如下：
AP组1，包括AP1、AP2及AP3；
AP组2，AP4和AP5；
AP组3，AP6
步骤S13：eNB进行AP分组，确定AP组。eNB在接收到所述第一辅助信息和第二辅助信息之后，基于所述第一辅助信息和所述第二辅助信息进行分组。AP分组之后的结果如下：
AP组1，包括AP1和AP3；
AP组2，包括AP4和AP5。
显然重新进行AP分组之后，删除了AP组1中不可用的AP2，删除了 扫描不到的AP6所在的分组AP组3。
在这个实施例中初始的AP组的信息如下：
-AP组1：AP1,AP2,AP3,
-AP组2：AP4,AP5,
-AP组3：AP6
值得注意的是：在本示例中步骤S11和步骤S12的执行顺序可以先后调换。
示例二：
eNB当前时刻以前确定的AP组的信息如下：
AP组1，包括AP1、AP2、AP3、AP4及AP5；
AP组2，包括AP6、AP7及AP8；
AP2的相邻AP包括AP1，AP3；且AP2的覆盖区域分别与所述AP1和AP3的覆盖区域相连。AP4的相邻AP包括AP3和AP5；且AP4的覆盖区域分别与所述AP3和AP5的覆盖区域相连。
如图5所示，本示例所述AP组确定方法包括：
步骤S21：接收第二辅助信息，第二辅助信息是由WT发送的，且由WT或AP自行上报的AP的信息。
步骤S22：基于第二辅助信息进行AP分组，从而更新AP组。
步骤S21中接收的第二辅助信息表明AP3的负荷大于某个设定负荷门限。
步骤S22中重新进行AP分组之后，形成的AP分组如下：
AP组1，包括AP1及AP2；
AP组2，包括AP6、AP7及AP8；
AP组3，包括AP4及AP5。
将AP3从AP组1中删除了，避免AP3依然保持在AP组1中，导致连接在AP1和AP2上的UE不再eNB的参与决策的情况下，自行切换到AP3， 导致AP3进一步负荷加重的现象。
示例三：
eNB当前时刻以前确定的AP组的信息如下：
AP组1，包括AP1、AP2、AP3、AP4及AP5；
AP组2，包括AP6、AP7及AP8。
如图6所示，本示例所述AP组确定方法包括：
步骤S31：接收第一辅助信息。所述第一辅助信息是有UE上报的。
步骤S32:基于第一辅助信息进行AP分组，从而更新AP组。
在本示例中所述第一辅助信息表明能够扫描到AP6，但是无法关联到AP6。
有鉴于此，步骤S32重新进行AP分组之后，更新后的AP组如下：
AP组1，包括AP1、AP2、AP3、AP4及AP5；
AP组2，包括AP7及AP8。
显然删除了AP组2中的AP6，避免AP6继续保持在AP组2中，连接在AP组2中的UE，一直尝试关联AP6，确无法关联到AP6的现象。
示例四：
如图7所示，本示例提供一种获取第二辅助信息的方法包括：
步骤S41：eNB向WT发送辅助信息上报请求，这里的辅助信息上报请求即可相当于前述实施例中的辅助信息获取请求。
步骤S42：eNB接收第二辅助信息。所述第二辅助信息是所述WT为响应所述辅助信息上报请求发送的。
示例五：
如图8所示，本示例提供一种获取第二辅助信息的方法包括：
步骤S51：eNB向UE发送辅助信息上报请求，这里的辅助信息上报请求即可相当于前述实施例中的辅助信息获取请求。
步骤S52：eNB接收第一辅助信息。所述第一辅助信息是所述UE为响 应所述辅助信息上报请求发送的。
设备实施例：
如图9所示，本实施例提供一种无线接入点AP组确定装置，所述装置包括：
获取单元110，设置为获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
分组单元120，设置为基于所述辅助信息，按照分组策略进行AP分组形成AP组。
若所述装置为eNB，则本实施例所述的获取单元110可包括通信接口，设置为获取所述辅助信息。所述获取单元110可包括X2接口，设置为从UE接收所述第一辅助信息，还包括Xw接口，设置为从所述WT接收所述第二辅助信息。
当然所述装置还可为WT，则所述获取单元110包括处理器或处理电路，设置为通过读取存储在所述WT内部的信息，来获取所述第二辅助信息。所述获取单元110还可包括能与所述eNB通信的接口，通过eNB从所述UE接收所述第一辅助信息。当然，所述WT也能直接从UE接收所述第一辅助信息。
所述分组单元120可包括处理器或处理电路。所述处理器可包括应用处理器、中央处理器、数字信号处理器或可编程阵列等。所述处理电路可包括专用集成电路。
本实施例所述的AP组确定装置，除了是所述eNB和WT之外，还可是所述LTE网络或WLAN网络中的其他网元，如MME或AC等。当然当所述AP组确定装置为eNB和WT，可以减少辅助信息的传输节点和传输次数，提高分组效率。
在本实施例中所述第一辅助信息包括以下至少其中之一：
所述用户设备扫描到的AP的AP信息；
所述用户设备能够关联的AP的AP信息；
所述用户设备在指定时间内使用每个AP的使用状况信息；
所述用户设备测量确定不可用AP的AP信息；
所述用户设备能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP的AP信息；
负荷大于预设负荷门限的AP的AP信息；
所述用户设备在AP之间的切换频次信息。
所述第二辅助信息可包括以下至少其中之一：
AP位置信息；
AP之间的相邻关系信息；
初始AP组的信息；
不可用AP的AP信息；
能够扫描但是关联不到AP的AP信息；
AP的关联时间信息；
AP的负荷状况信息；
关联时间大于预设关联门限的AP信息；
负荷大于预设负荷门限的AP信息；
AP的网元连接信息；
所述用户设备在AP之间的切换频次信息。
这些信息的信息内容和对应的意义可以参见前述方法实施例，在此就不重复了。
可选地，所述分组单元120，设置为实现以下至少其中之一：
将覆盖区域连续的N个AP分到同一个AP组；所述N为不小于1的整数；
将连接在不同的WT的AP划分到不同的AP组；
将一个AP划分到一个AP组。
采用上述分组策略进行分组，可以很好的保证形成的AP组能够实现WLAN和3GPP网络的紧耦合。
此外，所述分组单元120，设置为将跨组切换频次大于第一预设频次的AP组进行合并；和/或，调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
在本实施例中所述分组单元120，还将根据跨组切换频率进行AP组之间的合并和/或AP所在AP组的调整，这样就能够实现动态的调整AP组，提供更能满足WLAN和3GPP网络紧耦合需求的AP组。
此外，所述分组单元120，还设置为将负荷高于指定负荷门限的AP或AP组进行重新AP分组，更新AP组。
本实施例中所述分组单元还将根据AP组的负荷和/或AP的负荷进行AP分组，以实现更好的负荷均衡，以避免有些AP组或AP符合过大，而有些AP或AP组处于闲置状态，更好的利用WLAN资源及提高系统的吞吐量。
所述装置还包括：
设置单元，设置为基于所述辅助信息，设置所述AP组的属性参数。
本实施例所述的设置单元可包括存储介质，所述存储介质设置为存储所述AP组的属性参数。所述AP组的属性参数可维护能够用于控制AP的工作状态的参数。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外，在本发明各实施例中的各功能单元可以全部集成在一个处理模块中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
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以所述权利要求的保护范围为准。
工业实用性
上述技术方案能够很好的满足WLAN和LTE网络紧耦合的需求。

Claims (14)

  1. 一种无线接入点AP组确定方法，所述方法包括：
    获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
    基于所述辅助信息，按照分组策略进行AP分组形成AP组。
  2. 根据权利要求1所述的方法，其中，
    所述第一辅助信息包括以下至少其中之一：
    所述用户设备扫描到的AP的AP信息；
    所述用户设备能够关联的AP的AP信息；
    所述用户设备在指定时间内使用每个AP的使用状况信息；
    所述用户设备测量确定不可用AP的AP信息；
    所述用户设备能够扫描但是关联不到AP的AP信息；
    AP的关联时间信息；
    AP的负荷状况信息；
    关联时间大于预设关联门限的AP的AP信息；
    负荷大于预设负荷门限的AP的AP信息；
    所述用户设备在AP之间的切换频次信息。
  3. 根据权利要求1所述的方法，其中，
    所述第二辅助信息包括以下至少其中之一：
    AP位置信息；
    AP之间的相邻关系信息；
    初始AP组的信息；
    不可用AP的AP信息；
    能够扫描但是关联不到AP的AP信息；
    AP的关联时间信息；
    AP的负荷状况信息；
    关联时间大于预设关联门限的AP信息；
    负荷大于预设负荷门限的AP信息；
    AP的网元连接信息；
    所述用户设备在AP之间的切换频次信息。
  4. 根据权利要求1所述的方法，其中，
    所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，包括以下至少其中之一：
    同一AP组的N个AP的覆盖区域连续分布；所述N为不小于1的整数；
    同一AP组的AP连接在相同的WT上；
    不同AP组包括的AP不同。
  5. 根据权利要求1所述的方法，其中，
    所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，包括以下至少其中之一：
    将跨组切换频次大于第一预设频次的AP组进行合并；
    调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
  6. 根据权利要求4至5任一项所述的方法，，
    所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，还包括：
    将负荷高于指定负荷门限的AP或AP组进行重新AP分组，更新AP组。
  7. 根据权利要求4至5任一项所述的方法，，
    所述基于所述辅助信息，按照分组策略进行AP分组形成AP组，还包括以下至少其中之一：
    基于第一优先策略，优先根据所述第一辅助信息进行所述AP分组；
    基于第二优先策略，优先根据所述第二辅助信息进行所述AP分组。
  8. 根据权利要求1至5任一项所述的方法，所述方法还包括：
    基于所述辅助信息，设置所述AP组的属性参数。
  9. 一种无线接入点AP组确定装置，所述装置包括：
    获取单元，设置为获取辅助信息；所述辅助信息包括用户设备发送的第一辅助信息和/或无线局域网终结点WT形成的第二辅助信息；
    分组单元，设置为基于所述辅助信息，按照分组策略进行AP分组形成AP组。
  10. 根据权利要求9所述的装置，其中，
    所述分组单元，是设置为通过以下至少其中之一实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：
    将覆盖区域连续的N个AP分到同一个AP组；所述N为不小于1的整数；
    将连接在不同的WT的AP划分到不同的AP组；
    将一个AP划分到一个AP组。
  11. 根据权利要求9所述的方法，其中，
    所述分组单元，是设置为通过以下至少其中之一实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：
    将跨组切换频次大于第一预设频次的AP组进行合并；
    调整处理跨组切换频次大于第二预设频次的AP所在的AP组。
  12. 根据权利要求10或11所述的装置，
    所述分组单元，还设置为通过以下方式实现基于所述辅助信息，按照分组策略进行AP分组形成AP组：
    将负荷高于指定负荷门限的AP或AP组进行重新AP分组，更新AP组。
  13. 根据权利要求9、10或11所述的装置，所述装置还包括：
    设置单元，设置为基于所述辅助信息，设置所述AP组的属性参数。
  14. 根据权利要求9、10或11所述的装置，其中，
    所述装置为演进型基站eNB或WT。
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