WO2018120379A1 - 一种寻呼用户设备的方法和装置 - Google Patents

一种寻呼用户设备的方法和装置 Download PDF

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Publication number
WO2018120379A1
WO2018120379A1 PCT/CN2017/073801 CN2017073801W WO2018120379A1 WO 2018120379 A1 WO2018120379 A1 WO 2018120379A1 CN 2017073801 W CN2017073801 W CN 2017073801W WO 2018120379 A1 WO2018120379 A1 WO 2018120379A1
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Prior art keywords
area
user equipment
identifier
coverage
type
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PCT/CN2017/073801
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English (en)
French (fr)
Inventor
银宇
戚彩霞
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP17889207.1A priority Critical patent/EP3531758A1/en
Priority to CN201780079282.0A priority patent/CN110169152A/zh
Publication of WO2018120379A1 publication Critical patent/WO2018120379A1/zh
Priority to US16/455,143 priority patent/US20190320414A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/04—User notification, e.g. alerting and paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/08—User notification, e.g. alerting and paging, for incoming communication, change of service or the like using multi-step notification by increasing the notification area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/12—Inter-network notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for a user equipment to select a resident wireless coverage area and a network paging user equipment in an idle state.
  • the network in order to save the user equipment number segment and the wireless network resource, the network will change the user equipment from the connected state to the idle state in the case that there is no data transmission between the user equipment and the network for a period of time.
  • the network releases the radio resources allocated for the user equipment to transmit user data, and the user equipment also works in the power saving mode.
  • the user equipment In the idle state, the user equipment needs to first go to the connected state to send or receive user data.
  • the network device When the user equipment is in the idle state, if the network has signaling or user data needs to be sent to the user equipment, the network device notifies the user equipment to go to the connected state through the paging process.
  • the network device sends a paging message to all base stations in the wireless coverage area in the idle state of the recorded user equipment, and each base station pages the user equipment within its own coverage. After receiving the paging message to itself, the user equipment initiates a service request process, and then changes to a connected state.
  • the technical terms of the radio coverage area of the user equipment in the idle state in different mobile communication networks, that is, the paging area are different, but the basic principle is the same.
  • a paging area is a Routing Area (RA).
  • RA Routing Area
  • a paging area is a Tracking Area List (TA List), which is in a 5G network.
  • the paging area may be a list of tracking areas, or new technical terms may be used.
  • one radio paging area e.g., within a TA List
  • the number of user devices in the network is increasing with the development of mobile communication technologies.
  • New applications for user devices such as 4K HD video and virtual reality, continue to increase the demand for network speed.
  • the goal of 5G networks is to serve more users, support more device connections, and provide higher speed and richer user experience. These all mean that the network needs more spectrum resources and more dense cell coverage.
  • 5G can provide more bandwidth by fully utilizing the high frequency spectrum resources and support more user equipments.
  • the higher the wireless spectrum the faster the signal attenuation and the smaller the coverage of the base station. Therefore, the more reasonable deployment method is to use the low frequency for wide coverage to provide users with seamless wireless access services, while the high frequency is used.
  • Hotspot coverage provides a high-capacity, high-bandwidth service experience, such as high-definition video.
  • hotspots need to deploy high-frequency cells to increase network capacity and divert traffic.
  • two types of base stations can be deployed, one for wide coverage, usually low frequency, called coverage type, and the other for increasing network capacity, usually using high frequency, which needs to be superimposed in hotspots. (Overlay) deployment to effectively increase the network capacity of hotspots, called capacity type.
  • the network device In the paging process, the network device needs to page the user equipment through all the base stations in the paging area. With the capacity-type coverage that is superimposed at high frequencies, the density of base stations in a unit area is getting higher and higher. On the one hand, for a single paging of a user equipment, the number of base stations involved in the paging area and the paging message increase synchronously. A large amount of resources are occupied by the base station and the radio channel for processing paging messages.
  • each base station receives the same paging request from the network, which means that Both the macro base station for wide coverage and the small capacity base station for hotspot coverage need to have the same high paging processing capability, which is disadvantageous for the cost reduction of the capacity base station for hotspot coverage.
  • an embodiment of the present invention provides a method, a base station, and a network device for selecting a resident wireless coverage area and a network paging user equipment when the user equipment is in an idle state, so as to reduce base stations and network devices. Paging overhead saves wireless resources.
  • an embodiment of the present invention provides a method for paging a user equipment, including: receiving, by a user equipment, an area identifier and a corresponding layer type, the layer type is a capacity type or an overlay type; and the user equipment is in an idle state. If the currently accessing is a capacity type area, switching to the coverage type area according to the layer type, and receiving a paging message of the coverage area.
  • the user equipment saves radio resources and reduces the paging overhead of the base station and the network device by switching to the coverage area and waiting to receive the paging message in the coverage area.
  • the user equipment receives the cell identifier, the base station identifier or the basic area identifier sent by the base station, and the corresponding layer type.
  • the user equipment receives the cell identifier or the basic area identifier sent by the network device, and the corresponding layer type.
  • the layering type is sent in different ways, which increases the flexibility of the system.
  • the user equipment determines the coverage area corresponding to the current location, and switches to the coverage area corresponding to the current location. Further, after receiving the paging message, the user equipment initiates a service request process, and is accessed by the capacity type area corresponding to the current location, thereby improving the utilization rate of the capacity type area.
  • the user equipment receives a handover indication sent by the network device or the base station, and the handover indication is used to indicate that the user equipment switches to the coverage area when transitioning to the idle state.
  • the network device can control a part of the user equipment switching, and the other part does not switch, thereby improving the flexibility of the system.
  • the user equipment receives a list of coverage areas sent by the network device or the base station, where the coverage area list includes one or more coverage areas, where the coverage area list is used to indicate that the user equipment is available. And selecting, by the user equipment, the coverage area corresponding to the current location according to the target handover area, and switching to the coverage area corresponding to the current location when transitioning to the idle state. Thereby the accuracy of the switching is further improved.
  • the user equipment sends the area identifier that resides after the handover to the network device, and the network device can first page the resident area, thereby further saving paging overhead.
  • the embodiment of the present invention provides a method for paging a user equipment, where the network device determines, according to the area identifier and the corresponding layer type, the coverage area in the user equipment registration area, where the layer type is Capacity type or coverage type; paging user equipment in the coverage area.
  • paging in the coverage area by the network device saves radio resources and reduces paging overhead of the base station and the network device.
  • the network device determines, in the cell list or the basic area list included in the registration area of the user equipment, the corresponding layer type is the coverage type cell or the basic area is the coverage type area; or receives the cell identifier from the base station, The base station identifier or basic area identifier, and the corresponding layer type. This increases the flexibility of the system.
  • the network device sends the area identifier and the corresponding layer type to the user equipment, and the layer type is used by the user equipment to determine the coverage area of the idle state handover.
  • the user equipment may also receive the foregoing area identifier and the corresponding layer type through the base station. This further increases the flexibility of the system.
  • the network device sends a handover indication to the user equipment, and the handover indication is used to indicate that the user equipment switches to the coverage area when transitioning to the idle state. In this way, the network device can control a part of the user equipment switching, and the other part does not switch, thereby improving the flexibility of the system.
  • the network device receives the area identifier that is sent by the user equipment after the handover, and the network equipment identifies the corresponding area in the area before paging the user equipment in the coverage area. Paging the user equipment internally further saves paging overhead.
  • an embodiment of the present invention provides a user equipment, which has a function of implementing user equipment behavior in the foregoing method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units corresponding to the above functions, such as a transceiver unit, a switching unit.
  • the structure of the user equipment includes a processor and a memory for storing application code supporting the user equipment to perform the above method, the processor being configured to perform the storage in the memory program of.
  • the user equipment may also include a communication interface for communicating with other devices.
  • an embodiment of the present invention provides a network device, which has the function of implementing network device behavior in the foregoing method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units corresponding to the above functions, such as a transceiver unit, a determination unit, and a paging unit.
  • the structure of the user equipment includes a processor and a memory for storing application code supporting the network device to perform the above method, the processor being configured to perform the storage in the memory program of.
  • the network device can also include a communication interface for communicating with other devices.
  • an embodiment of the present invention provides a base station, which has the function of implementing the behavior of a base station in the foregoing method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units corresponding to the above functions, such as including a determining unit, a transceiver unit.
  • the structure of the base station includes a processor and a memory for storing application code supporting the base station to perform the above method, the processor being configured to execute the program stored in the memory .
  • the base station may also include a communication interface for communicating with other devices.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions used by the network device, the base station, or the user equipment, and includes a program designed to perform the foregoing aspects.
  • the foregoing technical solution provided by the embodiment of the present invention indicates that the user equipment selects to switch to the coverage area when the user equipment is in the idle state, and the network side implements paging the user equipment in the coverage area, thereby reducing the base station and
  • the paging overhead of the network device saves wireless resources.
  • the capacity layer base station can implement the lightweight paging function, and does not even need paging capability, which reduces the implementation complexity and cost of the capacity base station, and reduces the complexity of the wireless channel planning when the capacity base station is deployed.
  • FIG. 1 is a system architecture diagram of a paging user equipment according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for paging a user equipment according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for a user equipment to acquire a layered type according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a method for switching a user equipment in an idle state according to an embodiment of the present disclosure
  • FIG. 5 is a schematic flowchart of another method for paging a user equipment according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of another method for paging a user equipment according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 8 is another schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 12 is another schematic structural diagram of a base station according to an embodiment of the present invention.
  • An embodiment of the present invention provides a communication system for paging a user equipment.
  • an architecture diagram of a communication system includes a User Equipment (UE) (101), a base station (102), and a network device. (103) and gateway device.
  • UE User Equipment
  • base station 102
  • network device (103) and gateway device.
  • the user equipment accesses the wireless network through the base station at the current location
  • the network device is used for device registration, security authentication, mobility management, and location management of the user equipment
  • the gateway device is configured to forward the data packet between the user equipment and the external data network.
  • the above architecture can correspond to multiple actual mobile communication networks such as next-generation (5G) mobile communication networks, EPS networks, and 2G/3G networks.
  • the network device may be a Control Plane (CP) or a Core Control Function (CCF), or an Access & Mobility Function (AMF), a Mobility Management Entity (MME) or GPRS service support node equipment (Serving GPRS Support Node, SGSN).
  • the gateway device may be a User Plane (UP), a Serving Gateway (SGW), a Packet Data Network-Gateway (PDN-GW), or a GPRS Gateway Support Node (GGSN). ).
  • the network device is connected to a plurality of base stations.
  • an MME-connected base station evolved NodeB, eNodeB
  • eNodeB evolved NodeB
  • base stations are more densely deployed, and network devices may connect more base stations.
  • the user equipment switches to the coverage area to camp when transitioning to the idle state.
  • the handover of the user equipment from the capacity type cell to the coverage type cell may also be referred to as fallback.
  • the network device determines the coverage area in the user equipment registration area and pages the user equipment in the coverage area.
  • a cell, a base station, or a combination of multiple cells for example, a routing area in a GSM/UMTS network or a tracking area in an EPS network, is generally referred to as an "area.”
  • the area attribute has an area identifier, such as a cell identifier, a base station identifier, and a basic area identifier.
  • Area attributes also include hierarchical types, or area types, including coverage and capacity types. Coverage and capacity The type is usually provided by different base stations, and it is also possible to provide coverage and capacity coverage simultaneously with the same physical base station.
  • the coverage type base station mainly solves the problem of wide coverage of the network, and aims to provide seamless coverage within the entire wireless network, thereby avoiding a "no signal" blind zone. Because low-band signals have a wide range of penetrating features, coverage base stations can usually operate in low frequency bands.
  • the coverage type base station is usually a macro base station and can belong to a GSM/UMTS/LTE/5G network.
  • the coverage area is a wireless area covered by the coverage type base station.
  • the capacity type base station mainly solves the high capacity problem of the network, supplements the coverage type base station, increases the number of users that the network can access, and the available bandwidth. Especially in hot spots, that is, high-density areas of users, the problem of insufficient network capacity will be obvious, and it will be solved by densely deploying capacity-type base stations. Since the high-band signal has a large bandwidth, the capacity type base station can operate in a high frequency band.
  • the capacity type area is a wireless area covered by the capacity type base station.
  • the capacity type base station needs to be densely deployed in a hotspot area to effectively improve the network capacity, and may be a micro base station (micro base station), a pico base station (Pico base station), a home base station (Femto base station), etc., which may be referred to as a small base station.
  • the capacity type base station can also be a macro base station.
  • the capacity type base station can also use different access technologies with the coverage type base station, for example, the capacity type base station belongs to the 5G network, and the coverage type base station belongs to the GSM/UMTS/LTE network.
  • the layered type can also be called hotspot area/non-hotspot area, high frequency/low frequency, high density area/low density area, high bandwidth/low bandwidth, small station/macro station. Wait.
  • the area where the layering type is hotspot area, high frequency, high density area, high bandwidth or small station belongs to the capacity type area, and the layer type is non-hot spot area, low frequency, low density area, low bandwidth. Or areas such as macro stations are covered areas.
  • the essence of distinguishing the wireless coverage area into the coverage type and the capacity type is that the user equipment preferentially camps in the coverage area in the idle state, and the network preferentially pages the user equipment in the coverage area, through the user equipment and the network.
  • the synergy of the residency strategy achieves accurate paging and saves paging overhead.
  • the coverage area and the capacity type area are concepts of a wireless coverage area, such as a wireless cell or a tracking area. Geographically, the coverage area and the capacity type area are likely to be coincident, that is, the same geographical location, both coverage type wireless cell coverage and capacity type wireless cell coverage, and the user equipment can directly switch from the capacity type cell to the capacity type cell. Covered cells in the same location.
  • the base station When the base station is deployed, it can be set whether the layering type of the base station is coverage type or capacity type, or whether the layer type of each cell covered by the base station is coverage type or capacity type. It is further possible to further set whether the layer type of the basic area served by the base station is coverage type or capacity type.
  • the base station can register with the network device, the base station can notify the network device of the layer type of the wireless area served by the base station, and the notification form includes:
  • the layering type to which the base station belongs that is, the base station belongs to the coverage type or capacity type, or:
  • the layering type of each cell served by the base station may be different from that of the cell served by the same base station. or:
  • the layering type of each basic area served by the base station that is, the basic area belongs to the coverage type or the capacity type.
  • the network device records the layered type of the base station, cell or basic area.
  • the base station may send a configuration update request message to the network device.
  • Another possible way is to manage the layer type corresponding to each area identifier by the network management system, including the layer type corresponding to the cell identifier, the layer type corresponding to the base station identifier, or the layer type corresponding to the basic area identifier.
  • the network management system sends the relevant configuration data to the base station and the network device, so that the base station and the network device obtain the area identifiers and corresponding layer types in the respective coverage areas.
  • the base station notifies the network device of the supported cell list or the basic area list, and the network device performs matching by using the layer type of the cell or the basic area configured by the network device to determine the base station, the serving cell or the base station under the base station.
  • the hierarchical type of the basic area served For example, the base station notifies the network device of the tracking area list that it serves, and the network device configures whether the hierarchical type corresponding to each tracking area identifier is coverage type or capacity type.
  • the method for paging a user equipment is applied to a user equipment in the system shown in FIG. Specifically, the following steps are included:
  • the user equipment receives the area identifier and the corresponding layer type, and the layer type is a capacity type or an overlay type.
  • the user equipment may obtain the cell identifier, the base station identifier, or the basic area identifier and the corresponding layer type through the base station or the network device. The following are explained separately.
  • the user equipment obtains the area identifier and the layer type in the system message broadcasted by the cell of the base station, for example, may also be obtained from other Radio Resource Control (RRC) layer messages between the base station and the base station.
  • RRC Radio Resource Control
  • the user equipment simultaneously receives the area identifier and the layer type sent by the capacity type cell and the coverage type cell, respectively, so that the user equipment can determine the current location.
  • the layered type of the camping cell belongs to the capacity type, and which coverage type cells exist in the neighboring area, thereby determining whether it is necessary to switch to the coverage type cell when switching to the idle state, and selecting which coverage type cell to switch to.
  • the area identifier may be a base station identifier, a cell identifier, or a basic area identifier.
  • the layer type indicates a layer type corresponding to the area identifier in the system message broadcasted by the cell.
  • the system message broadcast by the base station cell may include the base station identifier, the cell identifier, and the basic area identifier. If the layer type is corresponding to the base station identifier, it usually indicates that all cells in the coverage of the base station correspond to the type. If the layer type is corresponding to the basic area identifier, it usually indicates that all the cells included in the basic area correspond to the type.
  • Table 1 below is an example of the area identifier and layer type received by the user equipment.
  • the user equipment receives the information sent by the capacity type and the coverage type base station, respectively.
  • Table 1 shows the base station identity and layer type sent by the base station received by the user equipment.
  • Table 2 below is another example of the area identification and layering type received by the user equipment.
  • the user equipment receives the information sent by the capacity type and the coverage type network, respectively.
  • Table 2 The cell identity and layer type sent by the base station received by the user equipment.
  • the user equipment acquires the area identifier and the layer type from the network device.
  • the user equipment can obtain the area identifier and the layer type in the processes of attachment, basic area update, registration area update, and the like.
  • the user equipment acquires the area identification and the layer type through the attach procedure.
  • the process of obtaining includes:
  • the user equipment initiates an attach procedure, and sends an attach request message to the network device.
  • the network device After authenticating the user equipment, the network device sends an attach accept message to the user equipment, where the attach accept message includes a basic area identifier and a corresponding layer type.
  • the network device may send the basic area list to the user equipment, and include the layer type corresponding to each basic area, and generally indicates that all the cells included in the basic area correspond to the type.
  • the network device sends a Tracking area List (TA List) in the EPS network to the user equipment, and the list includes the layer type of each tracking area.
  • the system message of the cell broadcast sent by the base station received by the user equipment includes the tracking area identifier to which the cell belongs.
  • the user equipment can obtain the layer type corresponding to the cell by matching the tracking area identifier sent by the network device with the tracking area identifier in the system message broadcasted by the cell of the base station. In this case, the coverage type cell and the capacity type cell respectively belong to different types. Tracking area.
  • Table 3 below is an example of the area identification and layering type received by the user equipment.
  • Table 3 shows the area identifier and layer type sent by the network device received by the user equipment.
  • the network device may also send the cell list and the layer type corresponding to each cell to the user equipment.
  • the system identifier included in the system message that the user equipment receives the cell broadcast sent by the base station includes the cell identifier. Therefore, the user equipment can determine whether the layer type of the currently camped cell belongs to the capacity type, and which coverage type cells exist in the current physical location.
  • a cell camp is reselected from the adjacent coverage type area according to a specific policy, and is turned into an idle state.
  • the specific strategy for example, selects the highest signal strength, or selects the most appropriate according to the RAT/Frequency Selection Priority Index (RFSP Ind).
  • the user equipment Before performing the handover action, the user equipment may obtain a handover indication from the message sent by the base station or the network device, indicating that the user equipment performs the action of switching from the capacity type area to the coverage type area, for example, the base station transmits the RRC layer signaling (RRC connection release). Or the network device notifies the user equipment through Non-Access-Stratume (NAS) layer signaling (session deletion acceptance). The user equipment determines to switch to the coverage area when transitioning to the idle state according to the received handover indication.
  • RRC layer signaling RRC connection release
  • NAS Non-Access-Stratume
  • the base station or the network device can determine that a part of the user equipment can be switched according to a certain policy according to the network service traffic or the number of users in the hot spot area, and the other part can not be switched, thereby better balancing the network load.
  • the base station or the network device may also provide a handover coverage target cell or the coverage target cell to the user equipment in the message.
  • the list acts as a mandatory target or a reference target for the user equipment to select a handover target cell.
  • the network device can determine the user equipment that needs to be switched according to the paging capability of the base station, the handover capability of the user equipment, and the mobility capability of the user equipment.
  • the above-mentioned capabilities can be sent to the network device through the unified configuration of the network management system, or can be notified through signaling messages, specifically:
  • the base station may notify its paging capability indication when registering with the network device, and the paging capability indication information is used to indicate that the capacity layer base station has/has no paging capability.
  • the user equipment notifies the network device of the handover capability in the process of the attachment, the basic area update, and the like, and the handover capability is used to indicate whether the user equipment switches to the coverage area when the user equipment is idle.
  • the mobility capability of the user equipment may be determined by the network device according to the restricted area in the subscription data, the capability reported by the user equipment, the movement trajectory of the user equipment, and the policy information delivered by the policy control center, indicating that the user equipment is not Mobile (fixed location access) users, low speed mobile users or high speed mobile users.
  • An example of a user equipment that the network device determines to switch is:
  • the capacity type base station does not have paging capability, all users switch to the coverage layer area;
  • the base station has paging capability, but the mobility capability of the user equipment is indicated as fixed location access, and the user equipment does not switch to the overlay layer area.
  • the network device determines to switch to the overlay layer area when the user equipment is idle.
  • the network device may perform the determination according to one or more combinations of the network, which is not limited in this embodiment. .
  • the user equipment selects a cell handover in which the layer type is coverage type in the system message broadcast by the base station.
  • the current location of the user equipment belongs to the coverage of the base station 1 and the base station 2, and can receive the system message broadcasted by the base station 1 and the base station 2, and the user equipment knows the current access through the layer type broadcasted by the base station 1 and the base station 2.
  • the layer type of the cell of the base station 1 is the capacity type
  • the layer type of the cell of the base station 2 of the current location is the coverage type.
  • the user equipment may further send a handover area notification message to the network device, where the user identifier is used to notify the user of the area identifier of the coverage area that is first camped after the device is switched, where the area identifier may be a base station identifier, a cell identifier, or a basic area. logo.
  • the user equipment selects the area identifier carried in the system message broadcasted by the base station cell according to the area identifier sent by the network device and the corresponding layer type, and selects the cell handover in which the layer type is coverage type.
  • FIG. 4 it is an exemplary diagram of a user equipment switching when transitioning to an idle state.
  • the user equipment currently accesses the network through the base station 1. Through the attaching process, the user equipment acquires the layered type from the network device, so as to know that the layer type of the currently camped cell is a capacity type.
  • the base station 1 detects that the user equipment does not perform services for a period of time, the base station initiates a process to transfer the user equipment to an idle state. Specific methods include:
  • the base station 1 sends a wireless connection release request message to the user equipment.
  • the user equipment determines to switch to the cell with the tiered type as the coverage type, and replies to the wireless connection release response message to the base station 1.
  • the message carries the coverage area identifier of the first time after the handover;
  • the user equipment receives the network device sending basic area list, and the hierarchical type corresponding to each basic area identifier.
  • the user equipment can receive the system message broadcasted by the base station 1 and the base station 2 cell at the current location, and the system message includes the basic area identifier to which the cell belongs.
  • the basic area identifier sent by the user equipment and the basic area identifier in the system message broadcasted by the base station cell are matched, and the cell covered by the base station 2 where the current location is located is determined to be an overlay type.
  • the user equipment determines to handover to the cell of the base station 2.
  • the base station 1 notifies the network device to delete the information of the user equipment, and notifies the network device of the area identifier of the coverage area after the user equipment is switched.
  • the network device deletes the data connection on the gateway device, and replies with a release response message to the base station 1.
  • the user equipment may also use a separate message to notify the switched area identifier to the network device.
  • the user equipment may also receive the cell list sent by the network device, and the layer type corresponding to each cell identifier.
  • the user equipment matches the cell identifier included in the system message broadcasted by the cell of the base station received by the current location with the cell identifier sent by the network device, learns the coverage cell of the current location, and switches to the coverage cell when transitioning to the idle state. .
  • the user equipment receives a paging message of the coverage area.
  • the user equipment After the user equipment switches to the coverage type cell, if the network device initiates paging in the coverage area, the user equipment receives the paging message, and may initiate the service request procedure to be connected. After the user equipment is idle, it should move in the coverage area in the registration area.
  • FIG. 5 it is a schematic flowchart of a paging device of a network device provided by an embodiment of the present invention, which specifically includes the following steps:
  • the network device determines, according to the area identifier and the corresponding layer type, the coverage area in the user equipment registration area.
  • the network device pages the user equipment in the coverage area.
  • FIG. 6 An example of a specific paging user equipment is shown in Figure 6, for a user equipment in an idle state, the network equipment pages the user equipment in the coverage area. Specifically include:
  • the network device receives a downlink data notification message sent by the gateway device, indicating that the network has data to be sent to the user equipment, and the user equipment needs to be paged;
  • the network device determines an coverage area in the registration area of the user equipment, for example, the registration area of the user equipment is a tracking area list, and according to the correspondence between the tracking area identifier and the layer type, determining that the layering type in the tracking area list is
  • the coverage type tracking area is an coverage type area, and the user equipment is paged in the coverage type area.
  • the base station sends a paging message.
  • the registration area of the user equipment may also be a routing area, or a cell list, where the network device categorizes the paging type user equipment in the coverage type.
  • the network device may preferentially page the user equipment in the area corresponding to the area identifier, and if the paging is not available, the range is extended, and the user is paged in the coverage area. device. This can further reduce the paging overhead of the base station and the core network.
  • the user equipment switches to the coverage type cell when the user equipment is idle, so the user equipment can receive the paging message sent by the base station of the coverage area of the current location. After receiving the paging message, the user equipment can initiate a service request to the network device through the base station of the coverage area to switch to the connected state.
  • the user equipment preferentially switches to access the network by the capacity type area, that is, the base station of the capacity type area of the current location initiates a service request to the network device.
  • the user equipment accesses the network in priority.
  • the user equipment stores the identifier of the capacity-type cell before the handover, that is, the base station of the capacity-type cell preferentially initiates a service request to the network device.
  • the user equipment may also have an inactive state in which the wireless connection between the user equipment and the base station has been released, but the connection between the base station and the network equipment remains. It is assumed that the same base station can cover both the capacity type area and the coverage type area, that is, some cells in the same base station belong to the capacity type area, and some other areas belong to the coverage type area, and when the user equipment enters the inactive state, the same is switched to the same.
  • the area of a base station is identified as the cell of the coverage area. Within the coverage of the base station, all areas are identified as cell pages of the coverage area, and the user equipment is converted into a connected state.
  • the embodiment of the present invention further provides a structure diagram of a user equipment user equipment. As shown in FIG. 7, the method includes: a transceiver unit 701, and a switching unit 702. among them:
  • the transceiver unit is configured to receive an area identifier and a corresponding layer type, where the layer type is a capacity type or an overlay type;
  • the switching unit is configured to switch to the coverage type according to the layer type if the current access is a capacity type area when transitioning to the idle state;
  • the transceiver unit is further configured to receive a paging message of the coverage area.
  • the user equipment is presented in the form of a functional unit.
  • a "unit” herein may refer to an application-specific integrated circuit (ASIC), circuitry, a processor and memory that executes one or more software or firmware programs, integrated logic circuitry, and/or other functions that provide the functionality described above.
  • ASIC application-specific integrated circuit
  • Device In a simple embodiment, those skilled in the art will appreciate that the user equipment can be implemented using a processor, a memory, and a communication interface. Now.
  • FIG. 8 is a schematic diagram of a computer device according to an embodiment of the present invention.
  • the computer device includes at least one processor 801, a communication bus 802, a memory 803, and at least one communication interface 804, and may further include an IO interface 805.
  • Processor 801 can be a general purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present invention.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication bus 802 can include a path for communicating information between the components described above.
  • the communication interface 804 uses devices such as any transceiver for communicating with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), and the like.
  • RAN Radio Access Network
  • WLAN Wireless Local Area Networks
  • the memory 803 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
  • the memory can exist independently and be connected to the processor via a bus.
  • the memory can also be integrated with the processor.
  • the memory 803 is used to store application code for executing the solution of the present invention, and is controlled by the processor 801 for execution.
  • the processor 801 is configured to execute application code stored in the memory 803.
  • the processor 801 may include one or more CPUs, and each CPU may be a single-core processor or a multi-core processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data, such as computer program instructions.
  • the computer device can also include an input/output (I/O) interface 805.
  • the output device may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector.
  • the input device can be a mouse, a keyboard, a touch screen device, or a sensing device.
  • the computer device described above may be a general purpose computer device or a special purpose computer device.
  • the computer device may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet, a wireless terminal device, a communication device, an embedded device, or the like in FIG. Structure device of.
  • PDA personal digital assistant
  • Embodiments of the invention do not limit the type of computer device.
  • the user equipment in FIG. 1 may be the device shown in FIG. 8, and one or more software modules are stored in the memory 803.
  • the user equipment can implement the software module by executing the program code in the processor and the program code in the memory.
  • the embodiment of the present invention further provides a computer storage medium for storing computer software instructions used in the apparatus shown in FIG. 7 or FIG. 8 above, which includes a program designed to execute the foregoing method embodiments.
  • the above method can be implemented by executing a stored program.
  • the embodiment of the present invention further provides a schematic structural diagram of a network device. As shown in FIG. 9, the method includes: a determining unit 901 and a paging unit 902. among them:
  • the determining unit is configured to determine, according to the area identifier and the corresponding layer type, the coverage type area in the user equipment registration area, where the layer type is capacity type or coverage type;
  • the paging unit is configured to page the user equipment in the coverage area.
  • the network device further includes a transceiver unit 903; the transceiver unit is configured to receive, from the base station, a cell identifier, a base station identifier, or a basic area identifier, and a corresponding layer type.
  • the network device is presented in the form of a functional unit.
  • a "unit” herein may refer to an application-specific integrated circuit (ASIC), circuitry, a processor and memory that executes one or more software or firmware programs, integrated logic circuitry, and/or other functions that provide the functionality described above.
  • ASIC application-specific integrated circuit
  • processors memory, and communication interfaces.
  • FIG. 10 is a schematic diagram of a computer device according to an embodiment of the present invention.
  • the computer device includes at least one processor 1001, a communication bus 1002, a memory 1003, and at least one communication interface 1004, and may further include an IO interface 1005.
  • the processor 1001 can be a general purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present invention.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication bus 1002 can include a path for communicating information between the components described above.
  • the communication interface 1004 uses devices such as any transceiver for communicating with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), and the like.
  • RAN Radio Access Network
  • WLAN Wireless Local Area Networks
  • the memory 1003 may be a read-only memory (ROM) or may store static information and instructions. Other types of static storage devices, random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only) Memory, EEPROM), Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), disk storage media or Other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, without limitation.
  • the memory can exist independently and be connected to the processor via a bus. The memory can also be integrated with the processor.
  • the memory 1003 is configured to store application code for executing the solution of the present invention, and is controlled by the processor 1001 for execution.
  • the processor 1001 is configured to execute application code stored in the memory 1003.
  • the processor 1001 may include one or more CPUs, and each CPU may be a single-core processor or a multi-core processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data, such as computer program instructions.
  • the computer device can also include an input/output (I/O) interface 1005.
  • the output device may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector.
  • the input device can be a mouse, a keyboard, a touch screen device, or a sensing device.
  • the computer device described above may be a general purpose computer device or a special purpose computer device.
  • the computer device may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet, a wireless terminal device, a communication device, an embedded device, or the like in FIG. Structured equipment.
  • PDA personal digital assistant
  • Embodiments of the invention do not limit the type of computer device.
  • the network device in FIG. 1 may be the device shown in FIG. 10, and one or more software modules are stored in the memory 1003.
  • the network device can implement the above method by implementing the software module through the processor and the program code in the memory.
  • the embodiment of the present invention further provides a computer storage medium for storing computer software instructions for use in the apparatus shown in FIG. 9 or FIG. 10, which includes a program designed to execute the foregoing method embodiments.
  • the above method can be implemented by executing a stored program.
  • the embodiment of the present invention further provides a schematic structural diagram of a base station. As shown in FIG. 11, the method includes: a determining unit 1101, and a transceiver unit 1102. among them:
  • the determining unit is configured to determine an area identifier and a corresponding layer type, where the area identifier is a cell identifier, a base station identifier, or a basic area identifier, and the layer type is a capacity type or an overlay type;
  • the transceiver unit is configured to send the area identifier and a corresponding layer type to a user equipment or a network device.
  • the base station is presented in the form of a functional unit.
  • a "unit” herein may refer to an application-specific integrated circuit (ASIC), circuitry, a processor and memory that executes one or more software or firmware programs, integrated logic circuitry, and/or other functions that provide the functionality described above.
  • ASIC application-specific integrated circuit
  • Device e.g., those skilled in the art will appreciate that a base station can be implemented using a processor, a memory, and a communication interface.
  • FIG. 12 is a schematic diagram of a computer device according to an embodiment of the present invention.
  • the computer device includes at least one processor 1201, a communication bus 1202, a memory 1203, and at least one communication interface 1204, and may further include an IO interface 1205.
  • the processor 1201 can be a general purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present invention.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication bus 1202 can include a path for communicating information between the components described above.
  • the communication interface 1204 uses devices such as any transceiver for communicating with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), and the like.
  • RAN Radio Access Network
  • WLAN Wireless Local Area Networks
  • the memory 1203 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
  • the memory can exist independently and be connected to the processor via a bus.
  • the memory can also be integrated with the processor.
  • the memory 1203 is configured to store application code for executing the solution of the present invention, and is controlled by the processor 1201 for execution.
  • the processor 1201 is configured to execute application code stored in the memory 1203.
  • the processor 1201 may include one or more CPUs, and each CPU may be a single-core processor or a multi-core processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data, such as computer program instructions.
  • the computer device can also include an input/output (I/O) interface 1205.
  • the output device can be a liquid crystal display (LCD), a light emitting diode (light emitting diode) Diode, LED) display device, cathode ray tube (CRT) display device, or projector (projector).
  • the input device can be a mouse, a keyboard, a touch screen device, or a sensing device.
  • the computer device described above may be a general purpose computer device or a special purpose computer device.
  • the computer device may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet, a wireless terminal device, a communication device, an embedded device, or the like in FIG. Structured equipment.
  • PDA personal digital assistant
  • Embodiments of the invention do not limit the type of computer device.
  • the base station in FIG. 1 may be the device shown in FIG. 12, and one or more software modules are stored in the memory 1203.
  • the base station can implement the software module by using the processor and the program code in the memory to complete the above method.
  • the embodiment of the present invention further provides a computer storage medium for storing computer software instructions for use in the apparatus shown in FIG. 11 or FIG. 12, which includes a program designed to execute the foregoing method embodiments.
  • the above method can be implemented by executing a stored program.
  • embodiments of the present invention can be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program is stored/distributed in a suitable medium, provided with other hardware or as part of the hardware, or in other distributed forms, such as over the Internet or other wired or wireless telecommunication systems.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Abstract

本发明提供了一种寻呼用户设备的方法和装置，包括：用户设备接收区域标识及对应的分层类型，所述分层类型为容量型或覆盖型；用户设备在转换到空闲态时，如果当前接入的是容量型区域，则根据所述分层类型切换到覆盖型区域；接收覆盖型区域的寻呼消息。网络设备根据区域标识及对应的分层类型，确定用户设备注册区域中的覆盖型区域，在所述覆盖型区域中寻呼所述用户设备。本发明通过分层类型，用户设备侧实现了切换到覆盖型区域，网络侧实现在覆盖型区域中寻呼，从而了减少基站和网络设备的寻呼开销，节省了无线资源。

Description

一种寻呼用户设备的方法和装置 技术领域
本发明涉及通信领域，尤其涉及一种用户设备在空闲态下选择驻留无线覆盖区域以及网络寻呼用户设备的方法和装置。
背景技术
在移动通信网络中，为了节省用户设备号段以及无线网络资源，在一段时间用户设备与网络之间没有数据传输的情况下，网络会将用户设备从连接态转到空闲态。在空闲态下，网络释放为用户设备传输用户数据分配的无线资源，用户设备也工作在省电模式。空闲态下用户设备要发送或者接收用户数据需要先转到连接态。
在用户设备处于空闲态时，如果网络有信令或者用户数据需发送给用户设备时，网络设备通过寻呼流程，通知用户设备转到连接态。需要对用户设备发起寻呼时，网络设备给在所记录的用户设备空闲态下无线覆盖区域范围内的所有基站发送寻呼消息，每个基站在自己的覆盖范围内寻呼用户设备。用户设备接收到对自己的寻呼消息后，发起服务请求流程，进而转为连接态。不同移动通信网络中用户设备在空闲态下无线覆盖区域范围，即寻呼区域的技术术语有所不同，但基本原理是一样的。例如在2G/3G GPRS和UMTS网络中，寻呼区域为路由区域(Routing Area，RA)，在4G EPS网络中，寻呼区域为跟踪区列表(Tracking Area List，TA List)，在5G网络中，寻呼区域可能是跟踪区域列表，也可能采用新的技术术语。根据当前的无线网络规划，一个无线寻呼区域(例如一个TA List内)包含100至数百个基站。从目前网络中的话务模型来看，用户设备每小时平均发生十几次寻呼，频繁地在连接态和空闲态之间转换。随着用户设备和基站密度的增加，相同寻呼区域内的寻呼量越来越大。
网络中的用户设备数量随着移动通信技术的发展在不断增加。而用户设备新的应用，如4K高清视频和虚拟现实等，对网络速率的需求不断提高。与4G网络相比，5G网络的目标是需要服务更多用户，支持更多的设备连接，提供更高速率和更丰富的用户体验。这些都意味着网络需要更多的频谱资源以及更密集的小区覆盖。由于无线频率中低频已经相当拥挤，而高频部分未分配频谱还很多，5G通过充分利用高频频谱资源可以提供更大的带宽，支持更多的用户设备。但无线频谱越高，信号衰减也更快，基站的覆盖范围更小，因此，比较合理的部署方式是，将低频用于广覆盖为用户提供无缝的无线接入服务，而高频用于热点覆盖提供大容量高带宽的业务体验，例如高清视频等。
因为网络容量不足的问题在一些热点地区，如商场、体育场等尤其明显，这些地区的业务量是网络平均值的数倍。所以，热点地区需要部署高频小区，以此来提升网络容量，进行业务分流。在这些地区，通常可部署两种类型的基站，一种用于广覆盖，通常使用低频，称为覆盖型；另一种用于提升网络的容量，通常使用高频，需在热点地区进行叠加(Overlay)部署以有效提升热点地区网络容量，称为容量型。
而寻呼流程中网络设备需要通过寻呼区域内的所有基站寻呼用户设备。随着在高频不断叠加的容量型覆盖，单位区域内的基站密度越来越高，一方面，对一个用户设备单次寻呼，在寻呼区域内涉及的基站数量和寻呼消息同步增加，占用基站和无线信道大量资源用于处理寻呼消息，另一方面，在一个寻呼区域内，例如一个TA List内，每个基站接收到来自网络的寻呼请求是相同的，这意味着无论是用于广覆盖的宏基站，还是用于热点覆盖的容量型小基站，都需要具备同样的高寻呼处理能力，这不利于用于热点覆盖的容量型基站降低成本。
发明内容
为克服现有技术的缺陷，本发明实施例提供了一种用户设备在空闲态时选择驻留无线覆盖区域，以及网络寻呼用户设备的方法、基站和网络设备，以减少基站和网络设备的寻呼开销，节省了无线资源。
第一方面，本发明实施例提供了一种寻呼用户设备的方法，包括：用户设备接收区域标识及对应的分层类型，分层类型为容量型或覆盖型；用户设备在转换到空闲态时，如果当前接入的是容量型区域，则根据所述分层类型切换到覆盖型区域，接收覆盖型区域的寻呼消息。
上述方法中，用户设备通过切换到覆盖型区域并在覆盖型区域等待接收寻呼消息，节省了无线资源，减少了基站和网络设备的寻呼开销。
在一个可能的设计中，用户设备接收基站发送的小区标识、基站标识或基本区域标识，及对应的分层类型。或者，用户设备接收网络设备发送的小区标识或者基本区域标识，及对应的分层类型。通过不同的方式发送分层类型，提高了系统的灵活性。
在又一个可能的设计中，用户设备确定当前位置对应的覆盖型区域，切换到当前位置对应的覆盖型区域。进一步，收到寻呼消息后，用户设备发起服务请求流程，由当前位置对应的容量型区域接入，从而提高了容量型区域的利用率。
在又一个可能的设计中，用户设备接收网络设备或基站发送的切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域。这样，网络设备可以控制一部分用户设备切换，而另一部分不切换，提高了系统的灵活性。
在又一个可能的设计中，用户设备接收网络设备或基站发送的覆盖型区域列表，覆盖型区域列表包含一个或者多个覆盖型区域，所述覆盖型区域列表用于指示所述用户设备可供选择的目标切换区域；所述用户设备根据所述目标切换区域，确定所述当前位置对应的覆盖型区域，在转换到空闲态时，切换到所述当前位置对应的覆盖型区域。从而进一步提高了切换的准确性。
在又一个可能的设计中，用户设备将切换后驻留的区域标识发送给网络设备，网络设备可以首先寻呼此驻留的区域，进一步节省了寻呼开销。
第二方面，本发明实施例提供了一种寻呼用户设备的方法，包括：网络设备根据区域标识及对应的分层类型，确定用户设备注册区域中的覆盖型区域，所述分层类型为容量型或覆盖型；在覆盖型区域中寻呼用户设备。
上述方法中，通过网络设备在覆盖型区域寻呼，节省了无线资源，减少了基站和网络设备的寻呼开销。
在一个可能的设计中，网络设备确定用户设备的注册区域包含的小区列表或者基本区域列表中，对应的分层类型为覆盖型的小区或者基本区域为覆盖型区域；或者从基站接收小区标识、基站标识或基本区域标识，及对应的分层类型。从而提高了系统的灵活性。
在又一个可能的设计中，网络设备向用户设备发送区域标识及对应的分层类型，分层类型用于用户设备确定空闲态切换的覆盖型区域。用户设备还可以通过基站接收上述区域标识及对应的分层类型。从而进一步提高了系统的灵活性。
在又一个可能的设计中，网络设备向用户设备发送切换指示，切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域。这样，网络设备可以控制一部分用户设备切换，而另一部分不切换，提高了系统的灵活性。
在又一个可能的设计中，网络设备收到用户设备发送的切换后驻留的区域标识；网络设备在所述覆盖型区域中寻呼所述用户设备前，先在所述区域标识对应的区域内寻呼所述用户设备，进一步节省了寻呼开销。
第三方面，本发明实施例提供了一种用户设备，具有实现上述方法中用户设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元，如包括收发单元，切换单元。
在一个可能的设计中，用户设备的结构中包括处理器和存储器，所述存储器用于存储支持用户设备执行上述方法的应用程序代码，所述处理器被配置为用于执行所述存储器中存储的程序。所述用户设备还可以包括通信接口，用于与其他设备通信。
第四方面，本发明实施例提供了一种网络设备，具有实现上述方法中网络设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元，如包括收发单元，确定单元，寻呼单元。
在一个可能的设计中，用户设备的结构中包括处理器和存储器，所述存储器用于存储支持网络设备执行上述方法的应用程序代码，所述处理器被配置为用于执行所述存储器中存储的程序。所述网络设备还可以包括通信接口，用于与其他设备通信。
第五方面，本发明实施例提供了一种基站，具有实现上述方法中基站行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元，如包括确定单元、收发单元。
在一个可能的设计中，基站的结构中包括处理器和存储器，所述存储器用于存储支持基站执行上述方法的应用程序代码，所述处理器被配置为用于执行所述存储器中存储的程序。所述基站还可以包括通信接口，用于与其他设备通信。
第六方面，本发明实施例提供了一种计算机存储介质，用于储存为上述网络设备、基站或用户设备所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
本发明实施例提供的上述技术方案通过分层类型指示，用户设备在转为空闲态时选择切换到覆盖型区域驻留，网络侧实现在覆盖型区域中寻呼用户设备，从而了减少基站和网络设备的寻呼开销，节省了无线资源。而容量层基站实现轻量的寻呼功能即可，甚至不必有寻呼能力，降低了容量型基站的实现复杂度和成本，降低了容量型基站部署时的无线信道规划复杂度。
附图说明
图1为本发明实施例提供的一种寻呼用户设备的系统架构图；
图2为本发明实施例提供的一种寻呼用户设备的方法流程示意图；
图3为本发明实施例提供的用户设备获取分层类型的方法流程示意图；
图4为本发明实施例提供的用户设备空闲态时切换的方法流程示意图；
图5为本发明实施例提供的另一种寻呼用户设备的方法流程示意图；
图6为本发明实施例提供的另一种寻呼用户设备的方法流程示意图；
图7为本发明实施例提供的一种用户设备结构示意图；
图8为本发明实施例提供的一种用户设备的另一结构示意图。
图9为本发明实施例提供的一种网络设备结构示意图；
图10为本发明实施例提供的一种网络设备的另一结构示意图；
图11为本发明实施例提供的一种基站结构示意图；
图12为本发明实施例提供的一种基站的另一结构示意图。
具体实施方式
本发明实施例提供一种寻呼用户设备的通信系统，如图1所示为一个通信系统的架构图，其中包含了用户设备(User Equipment,UE)(101)、基站(102)、网络设备(103)和网关设备。
用户设备通过当前位置的基站接入无线网络，网络设备用于用户设备的设备注册、安全认证、移动性管理和位置管理等，网关设备用于转发用户设备和外部数据网络之间的数据包。下面的实施例都以图1所示的系统架构为例。
上述架构可以对应下一代(5G)移动通信网络、EPS网络和2G/3G网络等多个实际的移动通信网络。网络设备可以为控制面功能网元(Control Plane，CP)或(Core Control Function，CCF)，或接入和移动性管理功能(Access&Mobility Function，AMF)，移动管理实体(Mobility management entity，MME)或GPRS服务支撑节点设备(Serving GPRS Support Node，SGSN)。网关设备可以为用户面功能网元(User Plane，UP)，服务网关(Serving Gateway，SGW)，数据网关(Packet data network-Gateway，PDN-GW)或GPRS网关支撑节点(Gateway GPRS Support Node，GGSN)。
网络设备连接多个基站，例如，EPS网络中，MME连接的基站(evolved NodeB，eNodeB)可多达数万。随着通信技术的进一步发展，基站更加密集的部署，网络设备连接的基站可能会更多。
本发明提供的实施例中，用户设备在转换到空闲态时，切换到覆盖型区域驻留。用户设备从容量型小区到覆盖型小区的切换也可称为回落。在网络侧，网络设备确定用户设备注册区域中的覆盖型区域，并在覆盖型区域内寻呼用户设备。
本发明实施例中，小区，基站，或者多个小区的组合，例如，GSM/UMTS网络中的路由区域或者EPS网络中的跟踪区域，通称为“区域”。多个小区的组合，如上述路由区域或跟踪区域，称为“基本区域”。区域属性有区域标识，例如小区标识，基站标识，基本区域标识。区域属性还包括分层类型，或称为区域类型，包括覆盖型和容量型。覆盖型和容量 型通常由不同的基站提供覆盖，也可能同一个物理基站同时提供覆盖型和容量型的覆盖。
覆盖型基站主要是解决网络的广覆盖问题，目的是提供整个无线网络内的无缝覆盖，避免出现“无信号”盲区。因为低频段信号具有穿透性强覆盖范围广的特征，覆盖型基站通常可以工作于低频段。覆盖型基站通常是宏基站，可以属于GSM/UMTS/LTE/5G网络。覆盖型区域为覆盖型基站覆盖的无线区域。
容量型基站主要是解决网络的高容量问题，作为覆盖型基站的补充，提升网络可接入的用户数，以及可提供的带宽。尤其是热点地区，即用户高密度地区，网络容量不足的问题会比较明显，通过密集部署容量型基站来解决。因为高频段信号具有带宽大的特征，容量型基站可以工作于高频段。容量型区域即为容量型基站覆盖的无线区域。
容量型基站需在热点地区进行密集部署以有效提升网络容量，可以是微基站(micro基站)，微微基站(Pico基站)，家庭基站(Femto基站)等，这些可称之为小基站。容量型基站也可以是宏基站。容量型基站也可以与覆盖型基站使用不同的接入技术，如容量型基站属于5G网络，而覆盖型基站属于GSM/UMTS/LTE网络。
分层类型除被称为覆盖型/容量型之外，还可以称为热点区域/非热点区域、高频/低频、高密度区域/低密度区域、高带宽/低带宽、小站/宏站等。本发明实施例中，分层类型为热点区域、高频、高密度区域、高带宽或小站等的区域都属于容量型区域，分层类型为非热点区域、低频、低密度区域、低带宽或宏站等的区域都属于覆盖型区域。在本方案中，将无线覆盖区域区分为覆盖型和容量型的本质是用户设备在空闲态优先选择在覆盖型区域驻留，网络优先在覆盖型区域内寻呼用户设备，通过用户设备与网络的驻留策略的协同，达到精准寻呼，节省寻呼开销的目的。
需要特别注意的是，覆盖型区域和容量型区域是无线覆盖区域的概念，例如无线小区或者跟踪区域。在地理上，覆盖型区域和容量型区域极可能是重合的，即相同的地理位置，既有覆盖型的无线小区覆盖，也有容量型的无线小区覆盖，用户设备可以直接从容量型小区切换到相同位置的覆盖型小区。
基站部署时，可以设定基站的分层类型是覆盖型还是容量型，或设定基站覆盖的各个小区的分层类型是覆盖型还是容量型。还可进一步设定基站所服务的基本区域的分层类型是覆盖型还是容量型。基站可以向网络设备注册时，将自身所服务的无线区域的分层类型通知给网络设备，通知的形式包括：
基站所属的分层类型，即基站属于覆盖型或容量型，或者：
基站所服务的各个小区的分层类型，同一个基站下服务的小区的分层类型可以不相同， 或者：
基站所服务的各个基本区域的分层类型，即基本区域属于覆盖型或容量型。
网络设备记录基站，小区或者基本区域的分层类型。
在将分层类型初次通知给网络设备后，如果区域的分层类型发生变化，基站可通过配置更新请求消息发送给网络设备。网络设备刷新区域对应的分层类型。
另一个可能的方式是由网管系统统一配置管理每个区域标识对应的分层类型，包括小区标识对应的分层类型，基站标识对应的分层类型，或基本区域标识对应的分层类型。网管系统将相关配置数据下发给基站和网络设备，从而基站和网络设备都获得了各自覆盖范围内的区域标识及对应的分层类型。
还有一种可能的方式是基站向网络设备通知其所支持的小区列表或基本区域列表，网络设备通过其自身配置的小区或者基本区域的分层类型进行匹配，判断基站，基站下服务小区或者基站所服务的基本区域的分层类型。例如基站向网络设备通知其所服务的跟踪区域列表，网络设备配置了每个跟踪区标识对应的分层类型是覆盖型还是容量型。
如图2所示，是本发明实施例提供的寻呼用户设备的方法，应用于如图1所示系统中的用户设备中。具体包括下列步骤：
201，用户设备接收区域标识及对应的分层类型，所述分层类型为容量型或覆盖型。
用户设备可以通过基站，也可以通过网络设备获得小区标识、基站标识或者基本区域标识及对应的分层类型。下面分别说明。
方式一，用户设备在基站的小区广播的系统消息中获取区域标识和分层类型，例如也可以从与基站间的其他无线资源控制(Radio Resource Control，RRC)层消息中获取。如果用户设备当前所在的地理位置同时被容量型小区和覆盖型小区覆盖，用户设备会同时收到容量型小区和覆盖型小区各自发送的区域标识和分层类型，由此用户设备可以判断当前所驻留小区的分层类型是否属于容量型，相邻区域存在哪些覆盖型的小区，从而确定在转换到空闲态时是否需要切换到覆盖型小区，以及选择向哪个覆盖型小区切换。
所述区域标识可以为基站标识、小区标识或者基本区域标识。所述分层类型指示小区广播的系统消息中区域标识对应的分层类型。基站小区广播的系统消息中可以同时包含基站标识、小区标识和基本区域标识。如果分层类型为基站标识对应的，则通常表示此基站覆盖范围内的所有小区都对应该类型。如果分层类型为基本区域标识对应的，则通常表示此基本区域包含的所有小区都对应该类型。
下面表1为用户设备收到的区域标识和分层类型的一个示例。用户设备分别收到了容量型和覆盖型基站发送的信息。
基站标识 分层类型
基站1 容量型
基站2 覆盖型
表1，用户设备收到的基站发送的基站标识和分层类型。
下面表2为用户设备收到的区域标识和分层类型的另一个示例。用户设备分别收到了容量型和覆盖型小区发送的信息。
小区标识 小区类型
小区11 容量型
小区21 覆盖型
表2，用户设备收到的基站发送的小区标识和分层类型。
方式二，用户设备从网络设备获取区域标识和分层类型。
用户设备可以在附着、基本区域更新、注册区域更新等流程中获取区域标识和分层类型。附图3所示的例子中，用户设备通过附着流程获取区域标识和分层类型。获取的过程包括：
301，用户设备发起附着流程，发送附着请求消息给网络设备。
302，网络设备在对用户设备鉴权后，发送附着接受消息给用户设备，所述附着接受消息中包含基本区域标识和对应的分层类型。
网络设备可以发送基本区域列表给用户设备，并包含每个基本区域对应的分层类型，通常表示此基本区域包含的所有小区都对应该类型。
如网络设备向用户设备发送EPS网络中的跟踪区域列表(Tracking area List，TA List)，列表中包含每个跟踪区域的分层类型。用户设备接收的基站发送的小区广播的系统消息中包含了小区所属的跟踪区域标识。用户设备通过网络设备发送的跟踪区域标识和基站的小区广播的系统消息中的跟踪区域标识匹配可以获得小区对应的分层类型，在这种情况下，覆盖型小区和容量型小区分别属于不同的跟踪区域。
下面表3为用户设备收到的区域标识和分层类型的一个示例。
基本区域标识 分层类型
基本区域1 容量型
基本区域2 覆盖型
基本区域3 容量型
基本区域4 覆盖型
表3，用户设备收到的网络设备发送的区域标识和分层类型。
本步骤中，网络设备也可以发送小区列表和每个小区对应的分层类型给用户设备。用户设备接收基站发送的小区广播的系统消息中包含了小区标识。由此用户设备可以判断当前所驻留小区的分层类型是否属于容量型，并且当前物理位置存在哪些覆盖型的小区。
202，用户设备在转换到空闲态时，根据所述分层类型，如果当前接入的是容量型区域，则切换到覆盖型区域。
处于连接态的用户设备如果确定要转换到空闲态，如果当前驻留的无线区域属于容量型，则从相邻的覆盖型区域中按照特定策略重新选择一个小区驻留，转为空闲态。所述特定策略举例来说，例如选择信号强度最高的，或者根据选网策略指示(RAT/Frequency Selection Priority Index，RFSP Ind)选择最合适的。
在执行切换动作之前，用户设备可能从基站或者网络设备发送的消息中得到切换指示，指示用户设备执行从容量型区域切换到覆盖型区域的动作，例如基站通过RRC层信令(RRC连接释放)或者网络设备通过非接入(Non-Access-Stratum，NAS)层信令(会话删除接受)通知用户设备。用户设备根据收到的切换指示，确定在转换到空闲态时切换到覆盖型区域。这样，基站或者网络设备可以根据网络业务流量或者热点区域用户数等，按照一定的策略确定一部分用户设备可切换，另一部分可不切换，从而更好地平衡网络负荷。
在用户设备从连接态转空闲态的流程中，如果需要执行切换到覆盖型区域的操作，基站或者网络设备也可以在消息中向用户设备提供一个切换的覆盖型目标小区，或者覆盖型目标小区列表作为强制目标或者参考目标供用户设备选择切换目标小区。
另外，网络设备可以根据基站的寻呼能力、用户设备的切换能力和用户设备的移动性能力确定需要切换的用户设备。上述能力可以通过网管系统统一配置下发给网络设备，也可以通过信令消息通知，具体为：
基站可以在向网络设备注册时通知其寻呼能力指示，所述寻呼能力指示信息用于指示容量层基站具备/不具备寻呼能力。
用户设备在附着、基本区域更新等流程中将切换能力通知给网络设备，所述切换能力用于指示所述用户设备空闲态时是否切换到覆盖型区域。
用户设备的移动性能力可以由网络设备根据签约数据中的限制区域，用户设备上报的能力，用户设备的移动轨迹和策略控制中心下发的策略等隐含的信息组合确定，指示用户设备为不移动(固定位置接入)用户，低速移动用户或者高速移动用户。
网络设备确定需要切换的用户设备举例为：
如根据所述基站的寻呼能力，如果容量型基站没有寻呼能力，则所有用户都切换到覆盖层区域；
又如，所述基站有寻呼能力，但是用户设备的移动性能力指示为固定位置接入，则该用户设备不切换到覆盖层区域。
又比如，用户设备的切换指示信息指示空闲态时切换到覆盖层区域，则网络设备确定用户设备空闲态时切换到覆盖层区域。
需要说明的是基站的寻呼能力，用户设备的切换能力和用户设备的移动性能力等并不需要同时具备，网络设备可以根据其中一项或者多项的组合进行判断，本实施例不进行限定。
针对用户设备获知分层类型的前述两种方式，用户设备转换到空闲态时切换到覆盖型区域的方式也可有如下两种。
方式一，用户设备选择基站广播的系统消息中分层类型为覆盖型的小区切换。
例如，用户设备当前位置属于基站1和基站2的覆盖范围，能够同时接收到基站1和基站2小区广播的系统消息，用户设备通过基站1和基站2广播的分层类型，获知当前接入的基站1的小区的分层类型为容量型，而当前位置的基站2的小区的分层类型为覆盖型，则用户设备空闲态后切换到基站2覆盖的小区，例如表2中的小区21。
可选的，用户设备还可以发送切换区域通知消息给网络设备，用于通知用户设备切换后的首次驻留的覆盖型区域的区域标识，所述区域标识可以为基站标识，小区标识或者基本区域标识。
方式二，用户设备根据网络设备发送的区域标识，及对应的分层类型，结合当前位置能够接收到的基站小区广播的系统消息中携带的区域标识，选择分层类型为覆盖型的小区切换。
如附图4所示，为用户设备在转换到空闲态时切换的示例图。用户设备当前通过基站1接入网络，通过附着流程等，用户设备从网络设备获取分层类型，从而获知当前驻留的小区的分层类型为容量型。当基站1检测到用户设备一段时间内没有进行业务时，基站发起流程，将用户设备转到空闲态。具体方法包括：
401：基站1发送无线连接释放请求消息给用户设备；
402：用户设备确定切换到分层类型为覆盖型的小区，回复无线连接释放响应消息给基站1，可选的，所述消息中携带切换后的首次驻留的覆盖型的区域标识；
如前述步骤401中所述，用户设备接收到网络设备发送基本区域列表，以及每个基本区域标识对应的分层类型。用户设备在当前位置能够收到基站1和基站2小区广播的系统消息，系统消息中包含了小区所属的基本区域标识。用户设备通过网络设备发送的基本区域标识和基站小区广播的系统消息中的基本区域标识匹配，确定当前位置所在的基站2覆盖的小区为覆盖型。用户设备确定切换到所述基站2的小区。
403：基站1通知网络设备删除用户设备的信息，并将用户设备切换后的覆盖型区域的区域标识通知给网络设备。
404-406：网络设备删除网关设备上的数据连接，并回复释放响应消息给基站1.
其中用户设备也可以采用单独的消息，通知切换后的区域标识给网络设备。
可选的，用户设备也可以接收网络设备发送的小区列表，以及每个小区标识对应的分层类型。用户设备将当前位置接收到的基站的小区广播的系统消息中包含的小区标识与网络设备发送的小区标识匹配，获知当前位置的覆盖型小区，并在转换到空闲态时切换到该覆盖型小区。
203，用户设备接收覆盖型区域的寻呼消息。
用户设备切换到覆盖型小区后，如果网络设备在覆盖型区域内发起寻呼，则用户设备将接收到寻呼消息，可以发起服务请求流程转为连接态。用户设备空闲态后应在注册区域内的覆盖型区域移动。
如图5所示，是本发明实施例提供的网络设备寻呼用户设备的流程示意图，具体包括下列步骤：
501，网络设备根据区域标识及对应的分层类型，确定用户设备注册区域内的覆盖型区域；
502，网络设备在覆盖型区域中寻呼用户设备。
一个具体的寻呼用户设备的例子如附图6所示，针对空闲态的用户设备，网络设备在覆盖型区域中寻呼用户设备。具体包括：
601，网络设备收到网关设备发送的下行数据通知消息，表明网络有数据要发送给用户设备，需寻呼用户设备；
602，网络设备确定用户设备的注册区域内的覆盖型区域，例如用户设备的注册区域为一个跟踪区域列表，再根据跟踪区域标识和分层类型的对应关系，确定跟踪区域列表中分层类型为覆盖型的跟踪区域为覆盖型区域，在覆盖型区域内寻呼用户设备。向覆盖型区域对应 的基站发送寻呼消息。
可选的，用户设备的注册区域也可以为一个路由区域，或者一个小区列表，网络设备在注册区域中分层类型为覆盖型的小区内寻呼用户设备。
如果用户设备将切换后驻留的区域标识通知给网络设备，网络设备可以优先在该区域标识对应的区域内寻呼用户设备，如果寻呼不到，再扩大范围，在覆盖型区域寻呼用户设备。以此能够进一步减少基站和核心网上的寻呼开销。
603，用户设备在空闲态时切换到了覆盖型小区，所以用户设备能够接收当前位置的覆盖型区域的基站发送的寻呼消息。收到寻呼消息后，用户设备可以通过该覆盖型区域的基站发起服务请求给网络设备从而转为连接态。或者，用户设备发起服务请求流程时，优先切换为由容量型区域接入网络，即通过当前位置的容量型区域的基站发起服务请求给网络设备。或者，用户设备发起服务请求流程时，优先由切换前的容量型区域接入网络，用户设备存储切换之前的容量型小区的标识，即优先通过该容量型小区的基站发起服务请求给网络设备。
此外，用户设备还可以有一种非活动(Inactive)状态，在这种状态下，用户设备和基站之间的无线连接已经释放，但是基站和网络设备之间的连接仍然保留。假设同一个基站可以同时覆盖容量型区域和覆盖型区域，即同一个基站下某几个小区属于容量型区域，而另外一些小区属于覆盖型区域，则用户设备进入非活动状态时，切换到同一个基站的区域标识为覆盖型区域的小区。基站在其覆盖范围内，所有区域标识为覆盖型区域的小区寻呼，将用户设备转为连接态。
本发明实施例还提供了一种用户设备用户设备的结构示意图，如图7所示，包括：收发单元701，切换单元702。其中：
所述收发单元，用于接收区域标识及对应的分层类型，所述分层类型为容量型或覆盖型；
所述切换单元，用于在转换到空闲态时，如果当前接入的是容量型区域，则根据所述分层类型切换到覆盖型区域；
所述收发单元，还用于接收覆盖型区域的寻呼消息。
进一步，这些单元实现上述方法中的相关功能，不再赘述。
在本实施例中，用户设备是以功能单元的形式来呈现。这里的“单元”可以指特定应用集成电路(application-specific integrated circuit，ASIC)，电路，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件。在一个简单的实施例中，本领域的技术人员可以想到用户设备可以采用处理器、存储器和通信接口来实 现。
本发明实施例中的用户设备还可以以图8中的计算机设备(或系统)的方式来实现。图8所示为本发明实施例提供的计算机设备示意图。该计算机设备包括至少一个处理器801，通信总线802，存储器803以及至少一个通信接口804，还可以包括IO接口805。
处理器801可以是一个通用中央处理器(CPU)，微处理器，特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制本发明方案程序执行的集成电路。
通信总线802可包括一通路，在上述组件之间传送信息。所述通信接口804，使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网，无线接入网(RAN)，无线局域网(Wireless Local Area Networks，WLAN)等。
存储器803可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器可以是独立存在，通过总线与处理器相连接。存储器也可以和处理器集成在一起。
其中，所述存储器803用于存储执行本发明方案的应用程序代码，并由处理器801来控制执行。所述处理器801用于执行所述存储器803中存储的应用程序代码。
在具体实现中，处理器801可以包括一个或多个CPU，每个CPU可以是一个单核(single-core)处理器，也可以是一个多核(multi-Core)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
在具体实现中，作为一种实施例，该计算机设备还可以包括输入/输出(I/O)接口805。例如，输出设备可以是液晶显示器(liquid crystal display，LCD),发光二级管(light emitting diode，LED)显示设备，阴极射线管(cathode ray tube，CRT)显示设备，或投影仪(projector)等。输入设备可以是鼠标、键盘、触摸屏设备或传感设备等。
上述的计算机设备可以是一个通用计算机设备或者是一个专用计算机设备。在具体实现中，计算机设备可以是台式机、便携式电脑、网络服务器、掌上电脑(Personal Digital Assistant，PDA)、移动手机、平板电脑、无线终端设备、通信设备、嵌入式设备或有图8中类似结构 的设备。本发明实施例不限定计算机设备的类型。
如图1中的用户设备可以为图8所示的设备，存储器803中存储了一个或多个软件模块。用户设备可以通过处理器以及存储器中的程序代码来实现软件模块，完成上述方法。
本发明实施例还提供了一种计算机存储介质，用于储存为上述图7或图8所示的设备所用的计算机软件指令，其包含用于执行上述方法实施例所设计的程序。通过执行存储的程序，可以实现上述方法。
本发明实施例还提供了一种网络设备的结构示意图，如图9所示，包括：确定单元901，寻呼单元902。其中：
所述确定单元，用于根据区域标识及对应的分层类型，确定用户设备注册区域中的覆盖型区域，所述分层类型为容量型或覆盖型；
所述寻呼单元，用于在所述覆盖型区域中寻呼所述用户设备。
所述网络设备还包括收发单元903；所述收发单元用于从基站接收小区标识、基站标识或基本区域标识，及对应的分层类型。
进一步，这些单元实现上述方法中的相关功能，不再赘述。
在本实施例中，网络设备是以功能单元的形式来呈现。这里的“单元”可以指特定应用集成电路(application-specific integrated circuit，ASIC)，电路，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件。在一个简单的实施例中，本领域的技术人员可以想到网络设备可以采用处理器、存储器和通信接口来实现。
本发明实施例中的网络设备还可以以图10中的计算机设备(或系统)的方式来实现。图10所示为本发明实施例提供的计算机设备示意图。该计算机设备包括至少一个处理器1001，通信总线1002，存储器1003以及至少一个通信接口1004，还可以包括IO接口1005。
处理器1001可以是一个通用中央处理器(CPU)，微处理器，特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制本发明方案程序执行的集成电路。
通信总线1002可包括一通路，在上述组件之间传送信息。所述通信接口1004，使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网，无线接入网(RAN)，无线局域网(Wireless Local Area Networks，WLAN)等。
存储器1003可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的 其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器可以是独立存在，通过总线与处理器相连接。存储器也可以和处理器集成在一起。
其中，所述存储器1003用于存储执行本发明方案的应用程序代码，并由处理器1001来控制执行。所述处理器1001用于执行所述存储器1003中存储的应用程序代码。
在具体实现中，处理器1001可以包括一个或多个CPU，每个CPU可以是一个单核(single-core)处理器，也可以是一个多核(multi-Core)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
在具体实现中，作为一种实施例，该计算机设备还可以包括输入/输出(I/O)接口1005。例如，输出设备可以是液晶显示器(liquid crystal display，LCD),发光二级管(light emitting diode，LED)显示设备，阴极射线管(cathode ray tube，CRT)显示设备，或投影仪(projector)等。输入设备可以是鼠标、键盘、触摸屏设备或传感设备等。
上述的计算机设备可以是一个通用计算机设备或者是一个专用计算机设备。在具体实现中，计算机设备可以是台式机、便携式电脑、网络服务器、掌上电脑(Personal Digital Assistant，PDA)、移动手机、平板电脑、无线终端设备、通信设备、嵌入式设备或有图10中类似结构的设备。本发明实施例不限定计算机设备的类型。
如图1中的网络设备可以为图10所示的设备，存储器1003中存储了一个或多个软件模块。网络设备可以通过处理器以及存储器中的程序代码来实现软件模块，完成上述方法。
本发明实施例还提供了一种计算机存储介质，用于储存为上述图9或图10所示的设备所用的计算机软件指令，其包含用于执行上述方法实施例所设计的程序。通过执行存储的程序，可以实现上述方法。
本发明实施例还提供了一种基站的结构示意图，如图11所示，包括：确定单元1101，收发单元1102。其中：
所述确定单元，用于确定区域标识及对应的分层类型，所述区域标识为小区标识、基站标识或基本区域标识，所述分层类型为容量型或覆盖型；
所述收发单元，用于向用户设备或网络设备发送所述区域标识及对应的分层类型。
进一步，这些单元实现上述实施例中的相关功能，不再赘述。
在本实施例中，基站是以功能单元的形式来呈现。这里的“单元”可以指特定应用集成电路(application-specific integrated circuit，ASIC)，电路，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件。在一个简单的实施例中，本领域的技术人员可以想到基站可以采用处理器、存储器和通信接口来实现。
本发明实施例中的基站还可以以图12中的计算机设备(或系统)的方式来实现。图12所示为本发明实施例提供的计算机设备示意图。该计算机设备包括至少一个处理器1201，通信总线1202，存储器1203以及至少一个通信接口1204，还可以包括IO接口1205。
处理器1201可以是一个通用中央处理器(CPU)，微处理器，特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制本发明方案程序执行的集成电路。
通信总线1202可包括一通路，在上述组件之间传送信息。所述通信接口1204，使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网，无线接入网(RAN)，无线局域网(Wireless Local Area Networks，WLAN)等。
存储器1203可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器可以是独立存在，通过总线与处理器相连接。存储器也可以和处理器集成在一起。
其中，所述存储器1203用于存储执行本发明方案的应用程序代码，并由处理器1201来控制执行。所述处理器1201用于执行所述存储器1203中存储的应用程序代码。
在具体实现中，处理器1201可以包括一个或多个CPU，每个CPU可以是一个单核(single-core)处理器，也可以是一个多核(multi-Core)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
在具体实现中，作为一种实施例，该计算机设备还可以包括输入/输出(I/O)接口1205。例如，输出设备可以是液晶显示器(liquid crystal display，LCD),发光二级管(light emitting  diode，LED)显示设备，阴极射线管(cathode ray tube，CRT)显示设备，或投影仪(projector)等。输入设备可以是鼠标、键盘、触摸屏设备或传感设备等。
上述的计算机设备可以是一个通用计算机设备或者是一个专用计算机设备。在具体实现中，计算机设备可以是台式机、便携式电脑、网络服务器、掌上电脑(Personal Digital Assistant，PDA)、移动手机、平板电脑、无线终端设备、通信设备、嵌入式设备或有图10中类似结构的设备。本发明实施例不限定计算机设备的类型。
如图1中的基站可以为图12所示的设备，存储器1203中存储了一个或多个软件模块。基站可以通过处理器以及存储器中的程序代码来实现软件模块，完成上述方法。
本发明实施例还提供了一种计算机存储介质，用于储存为上述图11或图12所示的设备所用的计算机软件指令，其包含用于执行上述方法实施例所设计的程序。通过执行存储的程序，可以实现上述方法。
尽管在此结合各实施例对本发明进行了描述，然而，在实施所要求保护的本发明过程中，本领域技术人员通过查看所述附图、公开内容、以及所附权利要求书，可理解并实现所述公开实施例的其他变化。在权利要求中，“包括”(comprising)一词不排除其他组成部分或步骤，“一”或“一个”不排除多个的情况。单个处理器或其他单元可以实现权利要求中列举的若干项功能。相互不同的从属权利要求中记载了某些措施，但这并不表示这些措施不能组合起来产生良好的效果。
本领域技术人员应明白，本发明的实施例可提供为方法、装置(设备)、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。计算机程序存储/分布在合适的介质中，与其它硬件一起提供或作为硬件的一部分，也可以采用其他分布形式，如通过Internet或其它有线或无线电信系统。
本发明是参照本发明实施例的方法、装置(设备)和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管结合具体特征及其实施例对本发明进行了描述，显而易见的，可对其进行各种修改和组合。相应地，本说明书和附图仅仅是所附权利要求所界定的本发明的示例性说明，且视为已覆盖本发明范围内的任意和所有修改、变化、组合或等同物。显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (30)

  1. 一种寻呼用户设备的方法，其特征在于，包括：
    用户设备接收区域标识及对应的分层类型，所述分层类型为容量型或覆盖型；
    用户设备在转换到空闲态时，如果当前接入的是容量型区域，则根据所述分层类型切换到覆盖型区域；
    接收覆盖型区域的寻呼消息。
  2. 如权利要求1所述的方法，其特征在于，所述区域标识为小区标识、基站标识或基本区域标识；
    所述接收区域标识及对应的分层类型包括：接收基站发送的小区标识、基站标识或基本区域标识，及对应的分层类型。
  3. 如权利要求1所述的方法，其特征在于，所述区域标识为小区标识或基本区域标识；
    所述接收区域标识及对应的分层类型包括：接收网络设备发送的小区标识或者基本区域标识，及对应的分层类型。
  4. 如权利要求1-3所述的方法，其特征在于，所述根据分层类型切换到覆盖型区域具体包括：
    确定当前位置对应的覆盖型区域，切换到所述当前位置对应的覆盖型区域。
  5. 如权利要求1-4所述的方法，其特征在于，还包括：
    所述用户设备接收网络设备或基站发送的切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域；
    所述用户设备根据所述切换指示，在转换到空闲态时，切换到所述当前位置对应的覆盖型区域。
  6. 如权利要求1-5所述的方法，其特征在于，还包括：
    所述用户设备接收网络设备或基站发送的覆盖型区域列表，所述覆盖型区域列表包含一个或者多个覆盖型区域，所述覆盖型区域列表用于指示所述用户设备可供选择的目标切换区域；
    所述用户设备根据所述目标切换区域，确定所述当前位置对应的覆盖型区域，在转换到空闲态时，切换到所述当前位置对应的覆盖型区域。
  7. 如权利要求1-6所述的方法，其特征在于，所述用户设备将切换后驻留的区域标识发送给网络设备，所述区域标识为基站标识，小区标识或者基本区域标识。
  8. 一种寻呼用户设备的方法，其特征在于，包括：
    网络设备根据区域标识及对应的分层类型，确定用户设备注册区域中的覆盖型区域，所述分层类型为容量型或覆盖型；
    在所述覆盖型区域中寻呼所述用户设备。
  9. 如权利要求8所述的方法，其特征在于，所述区域标识为小区标识，或者基本区域标识；
    所述确定用户设备注册区域中的覆盖型区域包括：网络设备确定用户设备的注册区域包含的小区列表或者基本区域列表中，对应的分层类型为覆盖型的小区或者基本区域为覆盖型区域。
  10. 如权利要求8-9所述的方法，其特征在于，还包括：
    所述网络设备从基站接收小区标识、基站标识或基本区域标识，及对应的分层类型。
  11. 如权利要求8-10所述的方法，其特征在于，还包括：
    所述网络设备向用户设备发送区域标识及对应的分层类型，所述分层类型用于所述用户设备确定空闲态切换的覆盖型区域。
  12. 如权利要求8-11所述的方法，其特征在于，还包括：
    网络设备向用户设备发送切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域。
  13. 如权利要求8-12所述的方法，其特征在于，还包括：
    网络设备向用户设备发送覆盖区域列表，所述覆盖区域列表包含一个或者多个覆盖型区 域，所述覆盖型区域列表用于指示所述用户设备可供选择的目标切换区域。
  14. 如权利要求8-13所述的方法，其特征在于，还包括：
    网络设备接收所述用户设备切换后驻留的区域标识，所述区域标识为基站标识，小区标识或者基本区域标识；
    所述覆盖型区域包含所述区域标识对应的区域，所述网络设备在所述覆盖型区域中寻呼所述用户设备前，先在所述区域标识对应的区域内寻呼所述用户设备。
  15. 一种用户设备，其特征在于，包括收发单元，切换单元；其中：
    所述收发单元，用于接收区域标识及对应的分层类型，所述分层类型为容量型或覆盖型；
    所述切换单元，用于在转换到空闲态时，如果当前接入的是容量型区域，则根据所述分层类型切换到覆盖型区域；
    所述收发单元，还用于接收覆盖型区域的寻呼消息。
  16. 如权利要求15所述的用户设备，其特征在于，所述区域标识为小区标识、基站标识或基本区域标识；
    所述收发单元接收区域标识及对应的分层类型包括：收发单元用于接收基站发送的小区标识、基站标识或基本区域标识，及对应的分层类型。
  17. 如权利要求15所述的用户设备，其特征在于，所述区域标识为小区标识或基本区域标识；
    所述收发单元接收区域标识及对应的分层类型包括：收发单元用于接收网络设备发送的小区标识或者基本区域标识，及对应的分层类型。
  18. 如权利要求15-17所述的用户设备，其特征在于，所述切换单元根据分层类型切换到覆盖型区域具体包括：
    所述切换单元确定当前位置对应的覆盖型区域，切换到所述当前位置对应的覆盖型区域。
  19. 如权利要求15-18所述的用户设备，其特征在于，还包括：
    所述收发单元用于接收网络设备或基站发送的切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域；
    所述切换单元根据所述切换指示，在转换到空闲态时，切换到所述当前位置对应的覆盖型区域。
  20. 如权利要求15-19所述的用户设备，其特征在于，还包括：
    所述收发单元用于接收网络设备或基站发送的覆盖型区域列表，所述覆盖型区域列表包含一个或者多个覆盖型区域，所述覆盖型区域列表用于指示所述用户设备可供选择的目标切换区域；
    所述切换单元根据所述目标切换区域，确定所述当前位置对应的覆盖型区域，在转换到空闲态时，切换到所述当前位置对应的覆盖型区域。
  21. 如权利要求15-20所述的用户设备，其特征在于，所述收发单元将切换后驻留的区域标识发送给网络设备，所述区域标识为基站标识，小区标识或者基本区域标识。
  22. 一种网络设备，其特征在于，包括确定单元，寻呼单元；其中：
    所述确定单元，用于根据区域标识及对应的分层类型，确定用户设备注册区域中的覆盖型区域，所述分层类型为容量型或覆盖型；
    所述寻呼单元，用于在所述覆盖型区域中寻呼所述用户设备。
  23. 如权利要求22所述的网络设备，其特征在于，所述区域标识为小区标识，或者基本区域标识；
    所述确定单元确定用户设备注册区域中的覆盖型区域包括：确定用户设备的注册区域包含的小区列表或者基本区域列表中，对应的分层类型为覆盖型的小区或者基本区域为覆盖型区域。
  24. 如权利要求22-23所述的网络设备，其特征在于，所述网络设备还包括收发单元；
    所述收发单元用于从基站接收小区标识、基站标识或基本区域标识，及对应的分层类型。
  25. 如权利要求22-24所述的网络设备，其特征在于，所述收发单元还用于向用户设 备发送区域标识及对应的分层类型，所述分层类型用于所述用户设备确定空闲态切换的覆盖型区域。
  26. 如权利要求22-25所述的网络设备，其特征在于，所述收发单元还用于向用户设备发送切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域。
  27. 如权利要求22-26所述的网络设备，其特征在于，所述收发单元还用于向用户设备发送覆盖区域列表，所述覆盖区域列表包含一个或者多个覆盖型区域，所述覆盖型区域列表用于指示所述用户设备可供选择的目标切换区域。
  28. 如权利要求22-27所述的网络设备，其特征在于，还包括：
    所述收发单元还用于接收所述用户设备切换后驻留的区域标识，所述区域标识为基站标识，小区标识或者基本区域标识；
    所述覆盖型区域包含所述区域标识对应的区域，所述寻呼单元在所述覆盖型区域中寻呼所述用户设备前，先在所述区域标识对应的区域内寻呼所述用户设备。
  29. 一种基站，其特征在于，包括确定单元和收发单元，其中：
    所述确定单元用于确定区域标识及对应的分层类型，所述区域标识为小区标识、基站标识或基本区域标识，所述分层类型为容量型或覆盖型；
    所述收发单元用于向用户设备或网络设备发送所述区域标识及对应的分层类型。
  30. 如权利要求29所述的基站，其特征在于，所述收发单元还用于发送切换指示，所述切换指示用于指示用户设备在转换到空闲态时切换到覆盖型区域。
PCT/CN2017/073801 2016-12-30 2017-02-16 一种寻呼用户设备的方法和装置 WO2018120379A1 (zh)

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