WO2020038401A1 - 一种网络重选的方法及装置 - Google Patents

一种网络重选的方法及装置 Download PDF

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Publication number
WO2020038401A1
WO2020038401A1 PCT/CN2019/101761 CN2019101761W WO2020038401A1 WO 2020038401 A1 WO2020038401 A1 WO 2020038401A1 CN 2019101761 W CN2019101761 W CN 2019101761W WO 2020038401 A1 WO2020038401 A1 WO 2020038401A1
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Prior art keywords
network
communication network
information
geographic location
network information
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PCT/CN2019/101761
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English (en)
French (fr)
Inventor
沈丽
魏珍荣
谭冠中
蔡建华
Original Assignee
华为技术有限公司
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Priority claimed from CN201811535711.3A external-priority patent/CN110858990B/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP19852513.1A priority Critical patent/EP3826360A4/en
Priority to US17/269,772 priority patent/US11910264B2/en
Publication of WO2020038401A1 publication Critical patent/WO2020038401A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method and a device for network reselection.
  • the UE In order to process different services, the UE usually needs to perform reselection between different communication networks. For example, the UE is currently in the fourth generation (4G) communication network.
  • 4G fourth generation
  • CSFB circuit-switched fallback
  • SRVCC single radio continuous voice call
  • the UE needs to reselect from the currently existing 4G communication network to a third generation (3G) communication network.
  • 3G third generation
  • the UE when the UE performs reselection between different communication networks, it needs to perform a network search process to search all surrounding communication networks. Then, the UE performs measurement processing for each searched communication network to determine whether each searched communication network meets an access condition. Based on the prior art, when the UE performs reselection between different communication networks, it needs to perform a network search process on all surrounding communication networks and measure all the searched communication networks, resulting in a low efficiency of network reselection.
  • the embodiments of the present application provide a method and a device for network reselection, which can improve the efficiency of network reselection.
  • the technical scheme is as follows:
  • a method for network reselection includes:
  • the network information of the communication network includes one or more of a network standard and a cell identifier
  • the first geographic location where the UE is currently located is obtained. Then, according to the correspondence between the geographic position and the network information of the communication network, at least one second geographic position that meets the preset proximity condition with the first geographic position is determined, and the second communication network corresponding to each second geographic position is determined. Network information. Thereafter, a network reselection process is performed according to at least the network information of the second communication network corresponding to each second geographic location. In this way, the UE does not need to perform network search processing on all surrounding communication networks, and does not need to perform measurement on all communication networks to be accessed, thereby improving the efficiency of network reselection.
  • the acquiring the first geographical location where the UE is currently includes:
  • the correspondence between the geographic location and network information of a communication network is stored in the UE, and the method further includes:
  • At least one second geographic location that satisfies a preset proximity condition with the first geographic location is not determined according to the correspondence between the geographic location stored on the UE and the network information of the communication network, sending to the server A query request, where the query request carries the first geographic position, so that the server determines that the first geographic position is satisfied based on the correspondence between the geographic position stored in the server and the network information of the communication network.
  • the performing network reselection processing based on at least network information of at least one second communication network corresponding to each of the second geographical locations includes:
  • At least one second communication network corresponding to each second geographical location, selecting at least one fourth communication network that meets the conditions, and performing network reselection processing according to network information of the at least one fourth communication network, where
  • the condition is a condition that the communication network to which the UE needs to be reselected needs to meet, and the condition is related to one or more of the following: a network standard, a public land mobile network PLMN, and a signal strength.
  • the network information of the network is processed for network reselection, including:
  • the UE When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each of the second geographical locations, selecting the second network standard At least one fourth communication network, and perform network reselection processing according to the network information of the at least one fourth communication network.
  • the UE when the UE needs to reselect from the communication network of the first network system to the communication network of the second network system, the UE directly selects the second network from at least one second communication network corresponding to each second geographic location. Standard fourth communication network. In this way, the efficiency of network reselection can be improved, and the power consumption of the measurement can be reduced.
  • the network information of the network is processed for network reselection, including:
  • At least one fourth communication network belonging to a PLMN to which the UE belongs is selected, and according to the at least one Network reselection processing of network information of a fourth communication network;
  • At least one fourth communication network belonging to a PLMN subscribed by the UE is selected in at least one second communication network corresponding to each second geographical location, and according to the at least one The network information of the fourth communication network is subjected to network reselection processing.
  • the UE determines whether the UE is in a roaming state. Then, according to the UE being in a roaming state or a non-roaming state, at least one fourth communication network corresponding to the PLMN is selected from at least one second communication network corresponding to each second geographical location. In this way, the UE does not need to perform frequent search processing and measurement processing, which can reduce the power consumption of the UE.
  • the network information of the network is processed for network reselection, including:
  • the UE When the UE needs to process an emergency call service, selecting, from at least one second communication network corresponding to each second geographical location, a fourth communication network with the highest signal strength and reselecting to the fourth communication network, To handle emergency call services.
  • a fourth communication network with the highest signal strength is selected from at least one second communication network corresponding to each second geographical location. In this way, normal processing of the emergency call service can be guaranteed.
  • a device in a second aspect, where the device includes:
  • An acquisition module configured to acquire a first geographic location where the UE is currently located
  • a determining module configured to determine at least one second geographic location that meets a preset proximity condition with the first geographic location according to the correspondence between the geographic location and the network information of the communication network, and determine a corresponding location of each second geographic location Network information of at least one second communication network, wherein the network information of the communication network includes at least one or more of a network standard and a cell identifier;
  • a reselection module configured to perform network reselection processing based on at least network information of at least one second communication network corresponding to each second geographical location.
  • the obtaining module is specifically configured to:
  • the apparatus further includes:
  • a sending module configured to, if the at least one second geographical position that satisfies a preset proximity condition with the first geographical position is not determined according to the correspondence between the geographical position stored on the UE and network information of the communication network , A query request is sent to the server, where the query request carries the first geographical position, so that the server determines a relationship with the network according to the correspondence between the geographical position stored in the server and the network information of the communication network.
  • a first geographic position that meets at least one third geographic position of the preset proximity condition, and determining network information of at least one third communication network corresponding to each third geographic position;
  • the receiving module is configured to receive a query response sent by the server, where the query response carries network information of at least one third communication network corresponding to each third geographic location.
  • the reselection module is specifically configured to:
  • At least one second communication network corresponding to each second geographical location, selecting at least one fourth communication network that meets the conditions, and performing network reselection processing according to network information of the at least one fourth communication network, where
  • the condition is a condition that the communication network to which the UE needs to be reselected needs to meet, and the condition is related to one or more of the following: a network standard, a public land mobile network PLMN, and a signal strength.
  • the reselection module is specifically configured to:
  • the UE When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each of the second geographical locations, selecting the second network standard At least one fourth communication network, and perform network reselection processing according to the network information of the at least one fourth communication network.
  • the reselection module is specifically configured to:
  • At least one fourth communication network belonging to a PLMN to which the UE belongs is selected, and according to the at least one Network reselection processing of network information of a fourth communication network;
  • At least one fourth communication network belonging to a PLMN subscribed by the UE is selected in at least one second communication network corresponding to each second geographical location, and according to the at least one The network information of the fourth communication network is subjected to network reselection processing.
  • the reselection module is specifically configured to:
  • the UE When the UE needs to process an emergency call service, selecting, from at least one second communication network corresponding to each second geographical location, a fourth communication network with the highest signal strength and reselecting to the fourth communication network, To handle emergency call services.
  • a user equipment UE includes one or more memories, one or more processors, one or more modems, and one or more radio frequency transceivers.
  • the one or more memories are used to store program instructions
  • the one or more processors are configured to execute program instructions stored in the one or more memories, so that the UE performs the following operations:
  • the operation of acquiring the first geographical location where the UE is currently includes:
  • the correspondence between the geographic location and the network information of the communication network is stored in one or more memories of the UE, and the operation further includes:
  • the One or more modems control the one or more radio frequency transceivers to send a query request to a server, where the query request carries the first geographic location, so that the server can communicate with the geographic location stored in the server according to Correspondence of network information of a communication network, determining at least one third geographical location that meets the preset proximity condition with the first geographical location, and determining at least one third communication network corresponding to each third geographical location Internet Information;
  • the one or more radio frequency transceivers are controlled by the one or more modems according to network information of at least one second communication network corresponding to each of the second geographical locations.
  • the operation of the router for network reselection processing includes:
  • At least one second communication network corresponding to each second geographical location, selecting at least one fourth communication network that meets the conditions, and controlling the one or more radio frequency transceivers according to the one or more modems according to Performing network reselection processing on the network information of the at least one fourth communication network, wherein the condition is a condition to be satisfied by the communication network to which the UE needs to be reselected, and the condition is one of the following or Multiple correlations: network format, public land mobile network PLMN, and signal strength.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • the operation of controlling the one or more radio frequency transceivers to perform network reselection processing according to network information of the at least one fourth communication network includes:
  • the UE When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each of the second geographical locations, selecting the second network standard At least one fourth communication network, and controlling the one or more radio frequency transceivers to perform network reselection processing according to the network information of the at least one fourth communication network through the one or more modems.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • An operation for controlling the one or more radio frequency transceivers to perform network reselection processing according to network information of the at least one fourth communication network includes:
  • At least one fourth communication network belonging to a PLMN to which the UE belongs is selected and passed through the one Or one or more modems controlling the one or more radio frequency transceivers to perform network reselection processing based on the network information of the at least one fourth communication network;
  • At least one fourth communication network belonging to a PLMN subscribed by the UE is selected in at least one second communication network corresponding to each second geographical location, and passes through the one or The multiple modems control the one or more radio frequency transceivers to perform network reselection processing according to network information of the at least one fourth communication network.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • An operation for controlling the one or more radio frequency transceivers to perform network reselection processing according to network information of the at least one fourth communication network includes:
  • a fourth communication network with the highest signal strength is selected from at least one second communication network corresponding to each second geographical location, and the network is controlled by the one or more modems.
  • the one or more radio frequency transceivers are reselected to the fourth communication network to process emergency call services.
  • a computer-readable storage medium including instructions. When the instructions are run on a computer, the computer is caused to execute any method according to the first aspect.
  • a user terminal includes: one or more processors, one or more memories, one or more modems, and one or more radio frequency transceivers;
  • the one or more memories are used to store program instructions
  • the one or more processors are configured to control the one or more modems and the one or more radio frequency transceivers according to program instructions stored in the one or more memories, so that the user terminal executes the first Any of the methods described in one aspect.
  • a user terminal includes: one or more processors, one or more memories, and one or more transceivers;
  • the one or more transceivers are used to receive and send data
  • the one or more memories are used to store instructions
  • the one or more processors are configured to call and execute the instructions in the one or more memories, so that the user terminal executes any method according to the first aspect.
  • a device for use in a user terminal, and is characterized in that the device is coupled to a memory and is configured to read and execute instructions stored in the memory, so that the user terminal is implemented as the first Any one of the methods described above;
  • the memory may be integrated in the processor, or may be independent of the processor.
  • the device is a chip on the user terminal (such as a system on chip (SoC)).
  • SoC system on chip
  • the first geographic location where the UE is currently located is obtained. Then, according to the correspondence between the geographical location and the network information of the communication network, at least one second geographical location that meets the preset proximity condition with the first geographical location is determined, and the second communication network corresponding to each second geographical location is determined Network information. Thereafter, a network reselection process is performed according to at least the network information of the second communication network corresponding to each second geographic location. In this way, the UE does not need to perform network search processing on all surrounding communication networks, and does not need to perform measurement on all communication networks to be accessed, thereby improving the efficiency of network reselection.
  • FIG. 1 is an example diagram of a network system according to an embodiment of the present application.
  • FIG. 2 is a flowchart of a network reselection method according to an embodiment of the present application
  • FIG. 3 is a flowchart of an example of a network reselection method according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a device according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a user equipment UE according to an embodiment of the present application.
  • the embodiment of the present application provides a method for network reselection, and the method can be applied to the scenario of network reselection.
  • FIG. 1 is an example diagram of a network system provided in an embodiment of the present application.
  • Base station 1 provides a second generation (2G) communication network for the UE
  • base station 2 provides a 3G communication network for the UE
  • base station 3 provides a 4G communication network for the UE
  • base station 4 provides a fifth generation (5G) for the UE
  • 5G fifth generation
  • the AP provides a wireless access communication network for the UE.
  • the UE In order to process different services, the UE usually needs to perform reselection between different communication networks. For example, the UE is currently in a 4G communication network. When the UE needs to process the CSFB service or the SRVCC service, the UE needs to reselect from the currently existing 4G communication network to the 2G communication network or the 3G communication network. Subsequently, after the UE completes the CSFB service or the SRVCC service, the UE can reselect from the currently existing 2G communication network or 3G communication network to the 4G communication network. As another example, the UE is currently in a 5G communication network.
  • the UE When the UE processes the SRVCC service, the UE needs to reselect from the currently existing 5G communication network to the 2G communication network or the 3G communication network. Subsequently, after the UE completes the SRVCC service, the UE can be reselected to the 5G communication network through a high-priority background search, or the UE can also be reselected to the 4G communication network from the 2G communication network or 3G communication network currently in existence. Then, the UE further reselects from the 4G communication network to the 5G communication network.
  • the UE mainly implements reselection between different communication networks in the following ways.
  • the embodiment of the present application is described by taking the reselection of the UE from the 3G communication network to the 4G communication network as an example. Other situations are similar to this.
  • Method 1 The 4G communication network actively initiates redirection.
  • Method 2 When the 4G communication network does not actively initiate a redirection, the UE performs reselection according to the pre-stored network information of the 4G communication network.
  • Method 3 If the UE cannot reselect to the 4G communication network based on the pre-stored network information of the 4G communication network, the UE performs reselection based on the pre-stored network information of other communication networks adjacent to the 4G communication network. In a fourth method, if the UE does not previously store network information of other communication networks adjacent to the 4G communication network, the UE reselects to the 4G network through autonomous reselection.
  • the current reselection method used by the UE has the following problems.
  • the first problem is that technicians need to perform redirection configuration on different communication networks in advance.
  • the second problem is that the UE cannot obtain the network information of the communication network around the current geographical location. Therefore, all communication networks around the current geographical location need to be reselected, which results in low network reselection efficiency.
  • an embodiment of the present application provides a method for network reselection, which can improve the efficiency of network reselection.
  • the specific processing flow is as follows:
  • Step 201 Obtain a first geographic location where the UE is currently located.
  • the UE may obtain the first geographical location where the UE is currently located.
  • the geographic location may include longitude information (lat), dimensional information (lon), and estimation accuracy information (accuracy).
  • the geographical location may also include speed information (speed) and direction angle information (Bearing). It should be noted that the geographic location may also include other information, which is not limited in the embodiment of the present application.
  • the UE may obtain the current first geographical location through a pre-installed global positioning system (GPS) device, and may also determine the current first geographical location through the network information of the currently accessed second communication network. .
  • GPS global positioning system
  • the process for the UE to determine the first geographical location currently located by using the network information of the second communication network currently accessed is as follows:
  • Step 1 Obtain network information of the first communication network currently accessed.
  • the UE may obtain network information of the first communication network currently accessed.
  • the first communication network may be one or more of a WiFi communication network and a mobile communication network.
  • the first communication network may also include other types of communication networks, which are not limited in the embodiments of the present application.
  • Table 2 it is the network information of the WiFi communication network.
  • the network information of the WiFi communication network may include a media access control (MAC) address of the AP, a received signal strength indication (RSSI), an AP boot time, and a center frequency.
  • MAC media access control
  • RSSI received signal strength indication
  • the network information of the WiFi communication network may also include other information, which is not limited in the embodiment of the present application.
  • the network information of the mobile communication network may include network information of the primary cell and network information of the neighboring cell.
  • the network information of the primary cell may include a base station startup time, a mobile country code (MCC), a mobile operator code (MNC), a local area code (LAC), and a cell identifier (LAC).
  • the network information of the neighboring cell may include a channel number, a physical identity, and an RSSI. It should be noted that the network information of the mobile communication network may also include other information, which is not limited in the embodiments of the present application.
  • Step 2 Determine, according to at least the network information of the first communication network, the first geographic location where the UE is currently located.
  • the UE may determine the first geographical location where the UE is currently located according to the network information of the first communication network. For example, the UE may determine the geographic location of the base station according to the cell identity. Then, according to the position of the base station and other information (such as RSSI, millimeter-wave wave speed identification, millimeter-wave RSSI, and other information), the first geographical location where the current location is located is determined. The UE may also determine the geographic location of the AP according to the MAC address of the AP. Then, the first geographic location where the AP is currently located is determined according to the geographic location of the AP and other information (such as information such as RSSI and center frequency).
  • information such as RSSI and center frequency
  • Step 202 Determine at least one second geographic location that satisfies a preset proximity condition with the first geographic location according to the correspondence between the geographic location and the network information of the communication network, and determine at least one second geographic location corresponding to each second geographic location.
  • Network information for communication networks are provided.
  • the network information of the communication network may include one or more of a network standard and a cell identifier.
  • the UE may store the correspondence between the geographic location and the network information of the communication network locally or in the server.
  • the corresponding relationship may be set by a technician, and may also be updated by other UEs.
  • the UE may determine at least one second geographic location that meets the preset proximity condition with the first geographic location according to the correspondence between the geographic location and the network information of the communication network, and determine Network information of a second communication network corresponding to each second geographic location.
  • the second communication network may include all communication networks corresponding to the second geographical location, or a communication network of a certain network standard corresponding to the second geographical location, and may also include a communication network of a certain PLMN corresponding to the second geographical location. .
  • the preset proximity condition may be a predetermined distance from the first geographic location. For example, after determining the first geographical location where the UE is currently located, the UE may determine at least one second geographical location within 10 kilometers of the first geographical location according to the correspondence between the geographical location and the network information of the communication network, and determine each Network information of a communication network (ie, a second communication network) corresponding to a second geographic location.
  • a communication network ie, a second communication network
  • the network information of the second communication network may include MCC, MNC, LAC, CellID, RSSI, RAT, and channel number. It should be noted that the network information of the second communication network may further include other information, which is not limited in the embodiment of the present application.
  • the correspondence between the geographic location and the network information of the communication network may be stored on the UE. If the correspondence between the geographical location of the UE locally stored and the network information of the communication network does not determine the target communication network Network information. Then the UE may query the server.
  • the specific process is as follows:
  • Step 1 if, according to the correspondence between the geographical location stored on the UE and the network information of the communication network, at least one second geographical location that satisfies the preset proximity condition with the first geographical location is not determined, send a query request to the server
  • the query request carries a first geographic location, so that the server determines at least one third geographic location that meets the preset proximity condition with the first geographic location according to the correspondence between the geographic location stored in the server and the network information of the communication network. And determine network information of at least one third communication network corresponding to each third geographic location.
  • the UE may send a query request to the server.
  • the query request carries a first geographic location.
  • the server may determine at least one third geographic location that meets the preset proximity condition with the first geographic location according to the correspondence between the geographic location stored in the server and the network information of the communication network, and Determine network information of at least one third communication network corresponding to each third geographic location.
  • the server determines at least one third geographic location that satisfies a preset proximity condition with the first geographic location according to the correspondence between the geographic location stored in the server and the network information of the communication network, and determines that each third geographic location corresponds to
  • the processing process of the network information of the at least one third communication network is similar to the processing process of step 202, and details are not described herein again.
  • the server may send a query response to the UE.
  • the query response carries network information of at least one third communication network corresponding to each third geographic location.
  • Step 2 A query response sent by the server is received, and the query response carries network information of at least one third communication network corresponding to each third geographic location.
  • the UE may parse the query response to obtain network information of at least one third communication network corresponding to each third geographic location.
  • Step 203 Perform network reselection processing based on at least network information of at least one second communication network corresponding to each second geographic location.
  • the UE may perform network reselection processing according to the network information of each second communication network.
  • the UE may select at least one fourth communication network having a target network type in at least one second communication network corresponding to each second geographic location, and perform network reconfiguration according to the network information of the at least one fourth communication network.
  • Optional processing may select at least one fourth communication network having a target network type in at least one second communication network corresponding to each second geographic location, and perform network reconfiguration according to the network information of the at least one fourth communication network.
  • the target network type includes at least one or more of a network standard, a public land mobile network PLMN, and a signal strength.
  • the UE may further select a target with at least one second communication network corresponding to each second geographic location according to the type of the target network. At least one fourth communication network of network type. Then, the UE may perform network reselection processing according to the network information of the at least one fourth communication network. In this way, the UE can further reduce the number of second communication networks to improve the efficiency of network reselection.
  • the UE selects at least one fourth communication network having a target network type according to at least one second communication network corresponding to each second geographic location, and according to network information of the at least one fourth communication network.
  • the process of performing network reselection processing is also different.
  • the embodiments of the present application provide several application scenarios, as follows:
  • Application scenario 1 When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each second geographic location, a UE having a second network standard is selected. And performing network reselection processing based on the network information of the at least one fourth communication network.
  • the UE may select the second network in at least one second communication network corresponding to each second geographic location.
  • At least one fourth communication network in a standard format, and network reselection processing is performed according to network information of the at least one fourth communication network. This improves the efficiency of network reselection and reduces the power consumption of the measurement.
  • at least one second communication network corresponding to each second geographic location includes a 2G communication network, a 3G communication network, a 4G communication network, and a 5G communication network.
  • the UE may At least one 4G communication network is selected from a second communication network. Then, network search processing and measurement processing are performed according to the network information of the 4G communication network. If the 4G communication network meets the access requirements of the UE, the UE can access the 4G communication network. In this way, the UE does not need to perform network search processing and measurement processing on the surrounding 2G communication network, 3G communication network, and 5G communication network, which improves the efficiency of network reselection and reduces the power consumption of measurement.
  • the UE may determine whether it is in a roaming state. If the UE is in a non-roaming state, the UE may select at least one fourth communication network belonging to the PLMN to which the UE belongs in at least one second communication network corresponding to each second geographic location, and according to the network of the at least one fourth communication network Information for network reselection processing. If the UE is in a roaming state, the UE may select at least one fourth communication network belonging to the PLMN subscribed by the UE in at least one second communication network corresponding to each second geographic location, and according to the network information of the at least one fourth communication network To perform network reselection processing.
  • the UE stays in a sleep state or increases the time interval for searching the network. Thereby reducing the power consumption of the UE.
  • At least one second communication network corresponding to each second geographic location includes 2G, 3G, and 4G communication networks that belong to the PLMN to which the UE belongs, and also includes 2G, 3G, and 4G communication networks that belong to the PLMN to which the UE is subscribed. Roaming status.
  • the UE may select 2G, 3G, and 4G communication networks (that is, at least one fourth communication network) that belong to the PLMN to which the UE belongs.
  • the UE can perform network search processing and measurement processing according to the network information of the 2G, 3G, and 4G communication networks belonging to the PLMN to which the UE belongs, which improves the efficiency of network reselection and reduces the power consumption of the measurement.
  • At least one second communication network corresponding to each second geographic location includes a communication network belonging to a PLMN subscribed by the UE, and the UE is in a non-roaming state.
  • the UE stays in a sleep state or increases the time interval for searching the network. In this way, the UE does not need to perform frequent search processing and measurement processing, which can reduce the power consumption of the UE.
  • a fourth communication network with the highest signal strength is selected from at least one second communication network corresponding to each second geographic location, and reselected to the fourth communication network to handle emergency Call service.
  • the UE may select a fourth communication network with the highest signal strength (ie, RSSI) in at least one second communication network corresponding to each second geographical location, and reselect to the fourth communication network.
  • Communication network to handle emergency call services In this way, normal processing of the emergency call service can be guaranteed.
  • at least one second communication network corresponding to each second geographic location includes a 2G communication network, a 3G communication network, and a 4G communication network.
  • the RSSI of the 2G communication network is -75dbm
  • the RSSI of the 3G communication network is -95dbm
  • the RSSI of the 4G communication network is -110dbm.
  • the UE may select a 4G communication network with the highest signal strength in at least one second communication network corresponding to each second geographical location. The UE can then reselect to a 4G communication network to handle emergency call services. In this way, normal processing of the emergency call service can be guaranteed.
  • At least one second communication network corresponding to each second geographical location does not exist a communication network that meets the access conditions or a network of the geographical location and communication network of the UE stored locally and in the server.
  • at least one second geographic location that does not meet the preset proximity condition with the first geographic location is determined, and an autonomous network reselection process is performed according to a preset network search time interval.
  • the UE performs autonomous network reselection processing according to a preset network search time interval .
  • the UE determines the fifth communication network to be accessed through an autonomous network reselection process, the UE is reselected to the fifth communication network, and the correspondence between the geographic location and the network information of the communication network is determined. The correspondence relationship between the third geographic location and the network information of the fifth communication network is added.
  • the UE may reselect to the fifth communication network.
  • the UE may add the correspondence between the first geographic location and the network information of the fifth communication network to the correspondence between the geographic location and the network information of the communication network. Subsequently, if the UE needs to reselect to the fifth communication network, it may directly perform network reselection processing according to the network information of the fifth communication network.
  • This application also provides an example of a network reselection method. As shown in FIG. 3, the example specifically includes the following steps:
  • Step 301 The UE obtains network information of a first communication network that is currently accessed.
  • Step 302 The UE determines the first geographical location where the UE is currently located according to the network information of the first communication network.
  • Step 303 The UE determines at least one second geographic location that meets the preset proximity condition with the first geographic location according to the correspondence between the geographic location and the network information of the communication network, and determines at least one corresponding to each second geographic location. Network information of the second communication network.
  • Step 304 Determine whether there is a communication network that satisfies the access condition in at least one second communication network corresponding to each second geographical location. If there is a communication network satisfying the access conditions, step 305 is performed. If there is no communication network satisfying the access conditions, step 306 to step 307 are performed.
  • Step 305 The UE performs network reselection processing according to the network information of the accessible communication network.
  • Step 306 The UE performs autonomous network reselection processing according to a preset network search time interval.
  • Step 307 If the UE determines the third communication network to be accessed through the autonomous network reselection process, it reselects to the third communication network, and adds the first geographical location to the correspondence between the geographical location and the network information of the communication network. Correspondence between the location and the network information of the third communication network.
  • steps 301 to 307 For specific processing steps of steps 301 to 307, refer to steps 201 to 203, which are not described in this application.
  • the first geographic location where the UE is currently located is obtained. Then, according to the correspondence between the geographical location and the network information of the communication network, at least one second geographical location that meets the preset proximity condition with the first geographical location is determined, and the second communication network corresponding to each second geographical location is determined Network information. Thereafter, a network reselection process is performed according to at least the network information of the second communication network corresponding to each second geographic location. In this way, the UE does not need to perform network search processing on all surrounding communication networks, and does not need to perform measurement on all communication networks to be accessed, thereby improving the efficiency of network reselection.
  • a positioning database can obtain related geographic location information through the cell information in which the UE resides. It can be understood that the location database only includes the correspondence between the cell information and the geographic location information.
  • some embodiments provided in this application can establish a correspondence relationship (or mapping relationship) from geographic location information to cell information (network information belonging to a communication network), and the correspondence relationship can be determined according to the UE.
  • the geographic location obtains cell information around the geographic location where the UE is located (such as the geographic location within a certain distance from the geographic location where the UE is located), thereby helping the UE to optimize its services.
  • the correspondence relationship may be a table, and the table may be understood as a two-way table, which includes a correspondence relationship from geographic location information to network information of a communication network, and may further include network information from a communication network. To geographic location information.
  • an embodiment of the present application further provides a device. As shown in FIG. 4, the device includes:
  • An obtaining module 410 configured to obtain a first geographical location where the UE is currently located
  • a determining module 420 configured to determine at least one second geographic location that meets a preset proximity condition with the first geographic location according to the correspondence between the geographic location and network information of the communication network, and determine that each second geographic location corresponds Network information of at least one second communication network, wherein the network information of the communication network includes at least one or more of a network standard and a cell identifier;
  • a reselection module 430 is configured to perform network reselection processing based on at least network information of at least one second communication network corresponding to each of the second geographic locations.
  • the obtaining module 410 is specifically configured to:
  • the apparatus further includes:
  • a sending module 440 is configured to, if according to the correspondence between the geographical location stored on the UE and the network information of the communication network, the at least one second geographic location that does not meet the preset proximity condition with the first geographical location is not determined Location, a query request is sent to the server, and the query request carries the first geographic location, so that the server determines the location of the location based on the correspondence between the geographic location stored in the server and the network information of the communication network.
  • the first geographic position meets at least one third geographic position of the preset proximity condition, and network information of at least one third communication network corresponding to each third geographic position is determined;
  • the receiving module 450 is configured to receive a query response sent by the server, where the query response carries network information of at least one third communication network corresponding to each third geographic location.
  • the reselection module 430 is specifically configured to:
  • At least one second communication network corresponding to each second geographical location, selecting at least one fourth communication network that meets the conditions, and performing network reselection processing according to network information of the at least one fourth communication network, where
  • the condition is a condition that the communication network to which the UE needs to be reselected needs to meet, and the condition is related to one or more of the following: a network standard, a public land mobile network PLMN, and a signal strength.
  • the reselection module 430 is specifically configured to:
  • the UE When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each of the second geographical locations, selecting the second network standard At least one fourth communication network, and perform network reselection processing according to the network information of the at least one fourth communication network.
  • the reselection module 430 is specifically configured to:
  • At least one fourth communication network belonging to a PLMN to which the UE belongs is selected, and according to the at least one Network reselection processing of network information of a fourth communication network;
  • At least one fourth communication network belonging to a PLMN subscribed by the UE is selected in at least one second communication network corresponding to each second geographical location, and according to the at least one The network information of the fourth communication network is subjected to network reselection processing.
  • the reselection module 430 is specifically configured to:
  • the UE When the UE needs to process an emergency call service, selecting, from at least one second communication network corresponding to each second geographical location, a fourth communication network with the highest signal strength and reselecting to the fourth communication network, To handle emergency call services.
  • the first geographic location where the UE is currently located is obtained. Then, according to the correspondence between the geographical location and the network information of the communication network, at least one second geographical location that meets the preset proximity condition with the first geographical location is determined, and the second communication network corresponding to each second geographical location is determined Network information. Thereafter, a network reselection process is performed according to at least the network information of the second communication network corresponding to each second geographic location. In this way, the UE does not need to perform network search processing on all surrounding communication networks, and does not need to perform measurement on all communication networks to be accessed, thereby improving the efficiency of network reselection.
  • an embodiment of the present application further provides a user equipment UE.
  • the UE includes one or more memories 610, one or more processors 620, and one or more modems 630.
  • One or more radio frequency transceivers 640 which may include radio frequency circuits and antennas
  • the one or more memories 610 are used to store program instructions
  • the one or more processors 620 are configured to execute program instructions stored in the one or more memories 610, so that the UE performs the following operations:
  • the operation of acquiring the first geographical location where the UE is currently includes:
  • the correspondence between the geographic location and the network information of the communication network is stored in one or more memories 610 of the UE, and the operation further includes:
  • the One or more modems 630 control the one or more radio frequency transceivers 640 to send a query request to a server, where the query request carries the first geographic location, so that the server can perform a query based on the geographic location stored in the server.
  • the one or more radio frequencies are controlled by the one or more modems 630 according to network information of at least one second communication network corresponding to each of the second geographical locations.
  • the operation of the transceiver 640 for network reselection processing includes:
  • At least one second communication network corresponding to each second geographical location, select at least one fourth communication network that meets the conditions, and control the one or more radio frequency transceivers through the one or more modems 630 640 Perform network reselection processing according to the network information of the at least one fourth communication network, wherein the condition is a condition that the communication network to which the UE needs to be reselected must meet, the condition is one of the following One or more related: network system, public land mobile network PLMN, and signal strength.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • the operation of controlling the one or more radio frequency transceivers 640 to perform network reselection processing according to the network information of the at least one fourth communication network includes:
  • the UE When the UE needs to reselect from a communication network of a first network standard to a communication network of a second network standard, in at least one second communication network corresponding to each of the second geographical locations, selecting the second network standard And control the one or more radio frequency transceivers 640 through the one or more modems 630 to perform network reselection processing according to the network information of the at least one fourth communication network.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • the operation of controlling the one or more radio frequency transceivers 640 to perform network reselection processing according to the network information of the at least one fourth communication network includes:
  • At least one fourth communication network belonging to a PLMN to which the UE belongs is selected and passed through the one
  • the one or more modems 630 control the one or more radio frequency transceivers 640 to perform network reselection processing according to the network information of the at least one fourth communication network;
  • At least one fourth communication network belonging to a PLMN subscribed by the UE is selected in at least one second communication network corresponding to each second geographical location, and passes through the one or The multiple modems 630 control the one or more radio frequency transceivers 640 to perform network reselection processing according to network information of the at least one fourth communication network.
  • the at least one fourth communication network that meets the conditions is selected from the at least one second communication network corresponding to each second geographical location, and passes through the one or more modems.
  • the operation of controlling the one or more radio frequency transceivers 640 to perform network reselection processing according to the network information of the at least one fourth communication network includes:
  • a fourth communication network with the highest signal strength is selected from at least one second communication network corresponding to each second geographical location, and controlled by the one or more modems 630
  • the one or more radio frequency transceivers 640 are reselected to the fourth communication network to process emergency call services.
  • the first geographic location where the UE is currently located is obtained. Then, according to the correspondence between the geographical location and the network information of the communication network, at least one second geographical location that meets the preset proximity condition with the first geographical location is determined, and the second communication network corresponding to each second geographical location is determined Network information. Thereafter, a network reselection process is performed according to at least the network information of the second communication network corresponding to each second geographic location. In this way, the UE does not need to perform network search processing on all surrounding communication networks, and does not need to perform measurement on all communication networks to be accessed, thereby improving the efficiency of network reselection.
  • an embodiment of the present application further provides a computer-readable storage medium including instructions, and when the instructions are run on a computer, the computer is caused to perform a network reselection method.
  • an embodiment of the present application further provides a user terminal.
  • the user terminal includes: one or more processors, one or more memories, one or more modems, and one or more radio frequency transceivers. ;
  • the one or more memories are used to store program instructions
  • the one or more processors are configured to control the one or more modems and the one or more radio frequency transceivers according to program instructions stored in the one or more memories, so that the user terminal executes a network Reselection method.
  • an embodiment of the present application further provides a user terminal, where the terminal includes: one or more processors, one or more memories, and one or more transceivers;
  • the one or more transceivers are used to receive and send data
  • the one or more memories are used to store instructions
  • the one or more processors are configured to call and execute the instructions in the one or more memories, so that the user terminal performs a method of network reselection.
  • an embodiment of the present application further provides a device applied to a user terminal.
  • the device is coupled to a memory, and is configured to read and execute instructions stored in the memory, so that all The method for the user terminal to implement network reselection is described.
  • the memory may be integrated in the processor, or may be independent of the processor.
  • the embodiment of the present application further provides the device as described above, which is characterized in that the device is a chip on the user terminal (such as a system on chip (SoC)).
  • SoC system on chip
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server, or data center Transmission by wire (for example, coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (for example, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, and the like that includes one or more available medium integration.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (Solid State Disk (SSD)), and the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (Solid State Disk (SSD)

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Abstract

本申请实施例提供了一种网络重选的方法及装置，涉及通信技术领域，所述方法包括：获取UE当前所处的第一地理位置，根据地理位置与通信网络的网络信息的对应关系中，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。采用本申请可以提高网络重选的效率。

Description

一种网络重选的方法及装置
本申请要求于2018年12月14日提交中国国家知识产权局、申请号为201811535711.3、申请名称为“一种网络重选的方法及装置”的中国专利申请的优先权，以及于2018年8月22日提交中国国家知识产权局、申请号为201810961680.1、申请名称为“一种利用地理位置信息优化UE的业务的方法和UE”的中国专利申请的优先权，它们的全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种网络重选的方法及装置。
背景技术
随着通信技术的发展，用户设备(user equipment，UE)支持的无线接入技术的种类也越来越多。UE为了处理不同的业务，通常需要在不同的通信网络之间进行重选。例如，UE当前处于第四代(fourth generation，4G)通信网络，当UE需要处理电路交换回落(circuit-switched fallback，CSFB)业务或单射频连续语音呼叫(Single Radio Voice Call Continuity，SRVCC)业务时，UE需要从当前处于的4G通信网络重选至第三代(third generation，3G)通信网络。当UE完成CSFB业务或SRVCC业务后，UE需要从3G通信网络重选至4G通信网络。
在现有技术中，UE在不同的通信网络之间进行重选时，需要进行搜网处理，以搜索周围的所有的通信网络。然后，UE针对搜索到的每一个通信网络进行测量处理，以判断各个搜索到的通信网络是否满足接入条件。基于现有技术，UE在不同的通信网络之间进行重选时，需要对周围所有的通信网络进行搜网处理，并对所有搜索到的通信网络进行测量，导致网络重选的效率较低。
发明内容
本申请实施例提供了一种网络重选的方法及装置，可以提高网络重选的效率。该技术方案如下：
第一方面，提供了一种网络重选的方法，所述方法包括：
获取UE当前所处的第一地理位置；
根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件(如在所述第一地理位置附近一公里以内)的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息包括网络制式、小区标识中的一种或多种；
至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
在本申请中，通过获取UE当前所处的第一地理位置。然后，根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。之后，至少根据每一个第二地理位置对应的第二通信网络的网络信息，进行网络重选处理。这样，UE无需对周围所有的通信网络进行搜网处理，并且无需对所有的待接入的通信网络进行测量，从而提高网络重选的效率。
在一种可能的实现方式中，所述获取所述UE当前所处的第一地理位置，包括：
获取所述UE当前接入的第一通信网络的网络信息；
至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
在一种可能的实现方式中，所述地理位置与通信网络的网络信息的对应关系存储在所述UE中，所述方法还包括：
如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在一种可能的实现方式中，所述至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理，包括：
在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，包括：
当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在本申请中，当UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，UE直接在每一个第二地理位置对应的至少一个第二通信网络中选择第二网络制式的第四通信网络。这样，可以提高网络重选的效率，并降低测量的功耗。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理，包括：
如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第 二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在本申请中，通过判断所述UE是否处于漫游状态。然后根据UE处于漫游状态或非漫游状态，在每一个第二地理位置对应的至少一个第二通信网络中选择对应的PLMN的至少一个第四通信网络。这样，UE无需频繁进行搜索处理和测量处理，可以降低UE的功耗。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理，包括：
当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，重选至所述第四通信网络，以处理紧急呼叫业务。
在本申请中，当UE需要处理紧急呼叫业务时，在每一个第二地理位置对应的至少一个第二通信网络中选择信号强度最大的第四通信网络。这样，可以保证紧急呼叫业务的正常处理。
第二方面，提供了一种装置，所述装置包括：
获取模块，用于获取UE当前所处的第一地理位置；
确定模块，用于根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息至少包括网络制式、小区标识中的一种或多种；
重选模块，用于至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述获取模块，具体用于：
获取所述UE当前接入的第一通信网络的网络信息；
至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
在一种可能的实现方式中，所述地理位置与通信网络的网络信息的对应关系存储在所述UE中，所述装置还包括：
发送模块，用于如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
接收模块，用于接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在一种可能的实现方式中，所述重选模块，具体用于：
在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
在一种可能的实现方式中，所述重选模块，具体用于：
当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述重选模块，具体用于：
如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述重选模块，具体用于：
当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，重选至所述第四通信网络，以处理紧急呼叫业务。
第三方面，提供了一种用户设备UE，所述UE包括一个或多个存储器、一个或多个处理器、一个或多个调制解调器、一个或多个射频收发器，
其中，所述一个或多个存储器，用于存储程序指令；
所述一个或多个处理器，用于执行所述一个或多个存储器中存储的程序指令，使得所述UE执行以下操作：
获取UE当前所处的第一地理位置；
根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息包括网络制式、小区标识中的一种或多种；
至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通过所述一个或多个调制解调器控制所述一个或多个射频收发器进行网络重选处理。
在一种可能的实现方式中，所述获取所述UE当前所处的第一地理位置的操作，包括：
通过所述一个或多个调制解调器获取所述UE当前接入的第一通信网络的网络信息；
至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
在一种可能的实现方式中，所述地理位置与通信网络的网络信息的对应关系存储 在所述UE的一个或多个存储器中，所述操作还包括：
如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则通过所述一个或多个调制解调器控制所述一个或多个射频收发器向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
通过所述一个或多个调制解调器控制所述一个或多个射频收发器接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在一种可能的实现方式中，所述至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通过所述一个或多个调制解调器控制所述一个或多个射频收发器进行网络重选处理的操作，包括：
在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息进行网络重选处理的操作，包括：
当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，通过所述一个或多个调制解调器控制所述一个或多个射频收发器重选至所述第四通信网络，以处理紧急呼叫业务。
第四方面，提供了一种计算机可读存储介质，包括指令，当所述指令在计算机上运行时，使所述计算机执行如第一方面所述的任一方法。
第五方面，提供了一种用户终端，所述用户终端包括：一个或多个处理器、一个或多个存储器、一个或多个调制解调器、一个或多个射频收发器；
其中，所述一个或多个存储器，用于存储程序指令；
所述一个或多个处理器，用于根据所述一个或多个存储器中存储的程序指令控制所述一个或多个调制解调器、所述一个或多个射频收发器，使得所述用户终端执行第一方面所述的任一方法。
第六方面，提供了一种用户终端，所述终端包括：一个或多个处理器，一个或多个存储器和一个或多个收发器；
所述一个或多个收发器，用于接收和发送数据；
所述一个或多个存储器用于存储指令；
所述一个或多个处理器用于调用并执行所述一个或多个存储器中的所述指令，使得所述用户终端执行如第一方面所述的任一方法。
第七方面，提供了一种装置，应用于用户终端中，其特征在于，所述装置与存储器耦合，用于读取并执行所述存储器中存储的指令，使得所述用户终端实现如第一方面所述的任一方法；
所述存储器可以集成在所述处理器中，也可以独立于所述处理器之外。
第八方面，提供了如第七方面所述的装置，其特征在于，所述装置为所述用户终端上的芯片(如片上系统SoC(System on a Chip))。
在本申请中，通过获取UE当前所处的第一地理位置。然后，根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。之后，至少根据每一个第二地理位置对应的第二通信网络的网络信息，进行网络重选处理。这样，UE无需对周围所有的通信网络进行搜网处理，并且无需对所有的待接入的通信网络进行测量，从而提高网络重选的效率。
附图说明
图1为本申请实施例提供的网络系统的示例图；
图2为本申请实施例提供的一种网络重选的方法的流程图；
图3为本申请实施例提供的一种网络重选的方法的示例的流程图；
图4为本申请实施例提供的一种装置的结构示意；
图5为本申请实施例提供的一种装置的结构示意；
图6为本申请实施例提供的一种用户设备UE的结构示意图。
具体实施方式
本申请实施例提供了一种网络重选的方法，该方法可以应用于网络重选的场景，如图1所示，为本申请实施例提供的网络系统的示例图，在该网络系统中包括基站1、基站2、基站3、基站4以及无线接入点(wireless access point，AP)。其中，基站1为UE提供第二代(second generation，2G)通信网络，基站2为UE提供3G通信网络，基站3为UE提供4G通信网络，基站4为UE提供第五代(fifth generation，5G)通信网络，AP为UE提供无线接入通信网络。
UE为了处理不同的业务，通常需要在不同的通信网络之间进行重选。例如，UE当前处于4G通信网络。当UE需要处理CSFB业务或SRVCC业务时，UE需要从当前处于的4G通信网络重选至2G通信网络或3G通信网络。后续，UE完成CSFB业务或SRVCC业务后，UE可以从当前处于的2G通信网络或3G通信网络重选至4G通信网络。又如，UE当前处于5G通信网络。当UE处理SRVCC业务时，UE需要从当前处于的5G通信网络重选至2G通信网络或者3G通信网络。后续，UE完成SRVCC业务后，UE可以通过高优先级背景搜索重选至5G通信网络，或者，UE还可以从当前处于的2G通信网络或者3G通信网络重选至4G通信网络。然后，UE进一步从4G通信网络重选至5G通信网络。
目前，UE主要通过以下几种方式实现在不同的通信网络之间进行重选，本申请实施例以UE从3G通信网络重选至4G通信网络为例进行介绍，其他情况与之类似。方式一，4G通信网络主动发起重定向。方式二，当4G通信网络未主动发起重定向时，UE根据预先存储的4G通信网络的网络信息进行重选。方式三，如果UE根据预先存储的4G通信网络的网络信息无法重选至4G通信网络，则根据预先存储的与4G通信网络相邻的其他通信网络的网络信息进行重选。方式四，如果UE未预先存储有与4G通信网络相邻的其他通信网络的网络信息，则UE通过自主重选，重选至4G网络。
然而，目前UE采用的重选方式，有以下几个问题。问题一，技术人员需要预先对不同的通信网络进行重定向配置。问题二，UE无法获知当前所处地理位置周围的通信网络的网络信息，因此，需要对当前所处地理位置周围的所有的通信网络进行重选，导致网络重选的效率较低。
针对上述问题，本申请实施例提供了一种网络重选的方法，可以提高网络重选的效率，如图2所示，具体处理流程如下：
步骤201，获取UE当前所处的第一地理位置。
在实施中，当UE需要从当前接入的通信网络重选至其他通信网络时，UE可以获取当前所处的第一地理位置。其中，如表一所示，地理位置可以包括经度信息(lat)、维度信息(lon)和预估精度信息(accuracy)。地理位置还可以包括速度信息(speed)和方向角信息(Bearing)。需要说明的是，地理位置还可以包括其他的信息，本申请实施例不作限定。
表一
Figure PCTCN2019101761-appb-000001
UE获取当前所处的第一地理位置的方式可以是多种多样的。UE可以通过预先安装的全球定位系统(global positioning system，GPS)装置获取当前所处的第一地理位置，还可以通过当前接入的第二通信网络的网络信息确定当前所处的第一地理位置。其中，UE通过当前接入的第二通信网络的网络信息确定当前所处的第一地理位置的处理过程如下：
步骤一，获取当前接入的第一通信网络的网络信息。
在实施中，当UE需要获取当前所处的第一地理位置时，UE可以获取当前接入的第一通信网络的网络信息。其中，第一通信网络可以为WiFi通信网络和移动通信网络中的一种或多种。第一通信网络还可以包括其他类型的通信网络，本申请实施例不作限定。如表二所示，为WiFi通信网络的网络信息。其中，WiFi通信网络的网络信息可以包括AP的媒体访问控制(media access control，MAC)地址、接收的信号强度指示(received signal strength indication，RSSI)、AP开机时间(boottime)以及中心频率(frequency)。需要说明的是，WiFi通信网络的网络信息还可以包括其他的信息，本申请实施例不作限定。
表二
Figure PCTCN2019101761-appb-000002
如表三所示，为移动通信网络的网络信息。其中，移动通信网络的网络信息可以包括主小区的网络信息和邻小区的网络信息。其中，主小区的网络信息可以包括基站的开机时间、移动国家码(mobile country code，MCC)、移动运营商码(mobile network code，MNC)、地区码(local area code，LAC)、小区标识(cell identification，CellID)、RSSI、网络制式(radio access technology，RAT)、信道号(channelnumber)、毫米波的波速标识(mmwavebeaming form ID)、毫米波的RSSI、副小区的信道号以及副小区的RSSI；邻小区的网络信息可以包括信道号、物理标识(physical identity)以及RSSI。需要说明的是，移动通信网络的网络信息还可以包括其他的信息，本申请实施例不作限定。
表三
Figure PCTCN2019101761-appb-000003
步骤二，至少根据第一通信网络的网络信息，确定UE当前所处的第一地理位置。
在实施中，UE得到第一通信网络的网络信息后，可以根据第一通信网络的网络信息，确定当前所处的第一地理位置。例如，UE可以根据小区标识确定基站的地理位置。然后，根据基站的位置和其他信息(比如RSSI、毫米波的波速标识、毫米波的RSSI等信息)确定当前所处的第一地理位置。UE还可以根据AP的MAC地址确定AP的地理位置。然后，根据AP的地理位置和其他信息(比如RSSI和中心频率等信息)确定当前所处的第一地理位置。
步骤202，根据地理位置与通信网络的网络信息的对应关系，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息。
其中，通信网络的网络信息可以包括网络制式、小区标识中的一种或多种。
在实施中，UE本地或服务器中可以存储有地理位置与通信网络的网络信息的对应关系。该对应关系可以由技术人员进行设置，还可以通过其他UE进行更新。UE在确定当前所处的第一地理位置后，可以根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。其中，第二通信网络可以包括第二地理位置对应的所有通信网络，也可以包括第二地理位置对应的某一网络制式的通信 网络，还可以包括第二地理位置对应的某一PLMN的通信网络。另外，预设接近度条件可以为与第一地理位置满足预设的距离。例如，UE确定当前所处的第一地理位置后，可以根据地理位置与通信网络的网络信息的对应关系中，确定在第一地理位置10公里范围内的至少一个第二地理位置，并确定每一个第二地理位置对应的通信网络(即第二通信网络)的网络信息。
其中，如表四所示，第二通信网络的网络信息可以包括MCC、MNC、LAC、CellID、RSSI、RAT和信道号。需要说明的是，第二通信网络的网络信息还可以包括其他的信息，本申请实施例不作限定。
表四
Figure PCTCN2019101761-appb-000004
在一种可能的实现方式中，地理位置与通信网络的网络信息的对应关系可以存储在UE上，如果UE在本地存储的地理位置与通信网络的网络信息的对应关系中，未确定目标通信网络的网络信息。则UE可以向服务器进行查询。具体处理过程如下：
步骤一，如果根据UE上存储的地理位置与通信网络的网络信息的对应关系中，未确定出与第一地理位置满足预设接近度条件的至少一个第二地理位置，则向服务器发送查询请求，查询请求中携带有第一地理位置，以使服务器根据服务器中存储的地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在实施中，如果UE根据本地存储的地理位置与通信网络的网络信息的对应关系中，未确定出与第一地理位置满足预设接近度条件的至少第二地理位置(即未确定出 第二通信网络的网络信息)。则UE可以向服务器发送查询请求。其中，查询请求中携带有第一地理位置。服务器接收到UE发送的查询请求后，可以根据服务器中存储的地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息。其中，服务器根据服务器中存储的地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息的处理过程与步骤202的处理过程类似，此处不再赘述。服务器确定出每一个第三地理位置对应的至少一个第三通信网络的网络信息后，服务器可以向UE发送查询响应。其中，查询响应中携带有每一个第三地理位置对应的至少一个第三通信网络的网络信息。
步骤二，接收服务器发送的查询响应，查询响应中携带有每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在实施中，UE接收到服务器发送的查询响应后，可以对查询响应进行解析，得到每一个第三地理位置对应的至少一个第三通信网络的网络信息。
步骤203，至少根据每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
在实施中，UE得到每一个第二地理位置对应的至少一个第二通信网络的网络信息后，可以根据各第二通信网络的网络信息，进行网络重选处理。
可选的，UE可以在每一个第二地理位置对应的至少一个第二通信网络中，选择具有目标网络类型的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息进行网络重选处理。
其中，目标网络类型至少包括网络制式、公共陆地移动网络PLMN以及信号强度中的一种或多种。
在实施中，UE确定出每一个第二地理位置对应的至少一个第二通信网络后，可以根据目标网络类型，进一步在每一个第二地理位置对应的至少一个第二通信网络中，选择具有目标网络类型的至少一个第四通信网络。然后，UE可以根据至少一个第四通信网络的网络信息进行网络重选处理。这样，UE可以进一步减少第二通信网络的数量，以提高网络重选的效率。
其中，针对不同的应用场景，UE根据每一个第二地理位置对应的至少一个第二通信网络中，选择具有目标网络类型的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息进行网络重选处理的处理的过程也不同。本申请实施例提供了几种应用场景，具体如下：
应用场景一，当UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息，进行网络重选处理。
在实施中，当UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择具有第二网络制式的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息，进行网 络重选处理。从而提高网络重选的效率，并降低测量的功耗。例如，每一个第二地理位置对应的至少一个第二通信网络包括2G通信网络、3G通信网络、4G通信网络和5G通信网络。当UE需要从当前处于的3G通信网络(即第一网络制式的通信网络)重选至4G通信网络(即第二网络制式的通信网络)时，UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择至少一个4G通信网络。然后，根据4G通信网络的网络信息进行搜网处理和测量处理，如果该4G通信网络满足UE的接入要求，则UE可以接入该4G通信网络。这样，UE无需对周围的2G通信网络、3G通信网络和5G通信网络进行搜网处理和测量处理，提高了网络重选的效率，并降低测量的功耗。
应用场景二，判断UE是否处于漫游状态；如果UE处于非漫游状态，则在每一个第二地理位置对应的至少一个第二通信网络中，选择属于UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。如果UE处于漫游状态，则在每一个第二地理位置对应的至少一个第二通信网络中，选择属于UE签约的PLMN的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息，进行网络重选处理。
在实施中，UE可以判断是否处于漫游状态。如果UE处于非漫游状态，则UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择属于UE归属的PLMN的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息，进行网络重选处理。如果UE处于漫游状态，则UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择属于UE签约的PLMN的至少一个第四通信网络，并根据至少一个第四通信网络的网络信息，进行网络重选处理。如果每一个第二地理位置对应的至少一个第二通信网络中不存在满足属于目标网络类型的PLMN的至少一个第四通信网络，则UE保持休眠状态或者增大搜网的时间间隔。从而降低UE的功耗。
例如，每一个第二地理位置对应的至少一个第二通信网络包括属于UE归属的PLMN的2G、3G和4G通信网络，还包括属于UE签约的PLMN的2G、3G和4G通信网络，UE处于非漫游状态。此时，UE可以选择属于UE归属的PLMN的2G、3G和4G通信网络(即至少一个第四通信网络)。这样，UE可以根据属于UE归属的PLMN的2G、3G和4G通信网络的网络信息进行搜网处理和测量处理，提高了网络重选的效率，并降低测量的功耗。
又如，每一个第二地理位置对应的至少一个第二通信网络包括属于UE签约的PLMN的通信网络，UE处于非漫游状态。此时，每一个第二地理位置对应的至少一个第二通信网络中不存在满足UE归属的PLMN的通信网络，则UE保持休眠状态或者增大搜网的时间间隔。这样，UE无需频繁进行搜索处理和测量处理，可以降低UE的功耗。
应用场景三，当UE需要处理紧急呼叫业务时，在每一个第二地理位置对应的至少一个第二通信网络中选择信号强度最大的第四通信网络，并重选至第四通信网络，以处理紧急呼叫业务。
在实施中，当UE需要处理紧急呼叫业务时，UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择信号强度(即RSSI)最大的第四通信网络，并重选至第四通信网络，以处理紧急呼叫业务。这样，可以保证紧急呼叫业务的正常处理。例 如，每一个第二地理位置对应的至少一个第二通信网络包括2G通信网络、3G通信网络和4G通信网络。其中，2G通信网络的RSSI为-75dbm，3G通信网络的RSSI为-95dbm，4G通信网络的RSSI为-110dbm。当UE需要处理紧急呼叫业务时，UE可以在每一个第二地理位置对应的至少一个第二通信网络中选择信号强度最大的4G通信网络。然后，UE可以重选至4G通信网络，以处理紧急呼叫业务。这样，可以保证紧急呼叫业务的正常处理。
在一种可能的实现方式中，如果每一个第二地理位置对应的至少一个第二通信网络中不存在满足接入条件的通信网络或者UE在本地和服务器中存储的地理位置与通信网络的网络信息的对应关系中，均未确定出与第一地理位置满足预设接近度条件的至少一个第二地理位置，则根据预设的网络搜索时间间隔，进行自主网络重选处理。
在实施中，如果每一个第二地理位置对应的至少一个第二通信网络中不存在满足接入条件的通信网络或者UE在本地或服务器中存储的地理位置与通信网络的网络信息的对应关系中，未确定出与第一地理位置满足预设接近度条件的至少一个第二地理位置(即未确定出第二通信网络)，则UE根据预设的网络搜索时间间隔，进行自主网络重选处理。
在一种可能的实现方式中，如果UE通过自主网络重选处理确定出待接入的第五通信网络，则重选至第五通信网络，并在地理位置与通信网络的网络信息的对应关系中，添加第地理位置和第五通信网络的网络信息的对应关系。
在实施中，如果UE通过自主网络重选处理确定出待接入的第五通信网络，则可以重选至第五通信网络。同时，UE可以在地理位置与通信网络的网络信息的对应关系中，添加第一地理位置和第五通信网络的网络信息的对应关系。后续，如果UE需要重选至第五通信网络，则可以直接根据第五通信网络的网络信息，进行网络重选处理。
本申请还提供了一种网络重选的方法的示例，如图3所示，该示例具体包括如下步骤：
步骤301，UE获取当前接入的第一通信网络的网络信息。
步骤302，UE根据第一通信网络的网络信息，确定UE当前所处的第一地理位置。
步骤303，UE根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息。
步骤304，判断每一个第二地理位置对应的至少一个第二通信网络中是否存在满足接入条件的通信网络。如果存在满足接入条件的通信网络，则执行步骤305。如果不存在满足接入条件的通信网络，则执行步骤306至步骤307。
步骤305，UE根据可接入的通信网络的网络信息，进行网络重选处理。
步骤306，UE根据预设的网络搜索时间间隔，进行自主网络重选处理。
步骤307，如果UE通过自主网络重选处理确定出待接入的第三通信网络，则重选至第三通信网络，并在地理位置与通信网络的网络信息的对应关系中，添加第一地理位置和第三通信网络的网络信息的对应关系。
步骤301至步骤307的具体处理过程可参考步骤201至步骤203，本申请不再赘述。
在本申请中，通过获取UE当前所处的第一地理位置。然后，根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。之后，至少根据每一个第二地理位置对应的第二通信网络的网络信息，进行网络重选处理。这样，UE无需对周围所有的通信网络进行搜网处理，并且无需对所有的待接入的通信网络进行测量，从而提高网络重选的效率。
目前定位数据库(或称为地理位置数据库)通过UE驻留的小区信息可以获取相关的地理位置信息，可以理解为，定位数据库中仅包含了从小区信息到地理位置信息之间的对应关系。而本申请提供的一些实施例则与之相反，可以建立从地理位置信息到小区信息(属于通信网络的网络信息)之间的对应关系(或称为映射关系)，通过该对应关系可以根据UE所处地理位置获取UE所处地理位置周边(如与UE所处地理位置在一定距离范围内的地理位置)的小区信息，从而能帮助UE做业务优化。具体地，所述对应关系可以为一个表，该表可以理解为一个双向表，包括了从地理位置信息到通信网络的网络信息之间的对应关系，还可以进一步包括了从通信网络的网络信息到地理位置信息之间的对应关系。
基于相同的技术构思，本申请实施例还提供了一种装置，如图4所示，所述装置包括：
获取模块410，用于获取UE当前所处的第一地理位置；
确定模块420，用于根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息至少包括网络制式、小区标识中的一种或多种；
重选模块430，用于至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述获取模块410，具体用于：
获取所述UE当前接入的第一通信网络的网络信息；
至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
在一种可能的实现方式中，所述地理位置与通信网络的网络信息的对应关系存储在所述UE中，如图5所示，所述装置还包括：
发送模块440，用于如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
接收模块450，用于接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在一种可能的实现方式中，所述重选模块430，具体用于：
在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
在一种可能的实现方式中，所述重选模块430，具体用于：
当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述重选模块430，具体用于：
如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述重选模块430，具体用于：
当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，重选至所述第四通信网络，以处理紧急呼叫业务。
在本申请中，通过获取UE当前所处的第一地理位置。然后，根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。之后，至少根据每一个第二地理位置对应的第二通信网络的网络信息，进行网络重选处理。这样，UE无需对周围所有的通信网络进行搜网处理，并且无需对所有的待接入的通信网络进行测量，从而提高网络重选的效率。
基于相同的技术构思，本申请实施例还提供了一种用户设备UE，如图6所示，所述UE包括一个或多个存储器610、一个或多个处理器620、一个或多个调制解调器630、一个或多个射频收发器640，所述射频收发器640可以包括射频电路和天线
其中，所述一个或多个存储器610，用于存储程序指令；
所述一个或多个处理器620，用于执行所述一个或多个存储器610中存储的程序指令，使得所述UE执行以下操作：
获取UE当前所处的第一地理位置；
根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息包括网络制式、小区标识中的一种或多种；
至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通 过所述一个或多个调制解调器630控制所述一个或多个射频收发器640进行网络重选处理。
在一种可能的实现方式中，所述获取所述UE当前所处的第一地理位置的操作，包括：
通过所述一个或多个调制解调器630获取所述UE当前接入的第一通信网络的网络信息；
至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
在一种可能的实现方式中，所述地理位置与通信网络的网络信息的对应关系存储在所述UE的一个或多个存储器610中，所述操作还包括：
如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
在一种可能的实现方式中，所述至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640进行网络重选处理的操作，包括：
在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息进行网络重选处理的操作，包括：
当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
在一种可能的实现方式中，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，通过所述一个或多个调制解调器630控制所述一个或多个射频收发器640重选至所述第四通信网络，以处理紧急呼叫业务。
在本申请中，通过获取UE当前所处的第一地理位置。然后，根据地理位置与通信网络的网络信息的对应关系中，确定与第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的第二通信网络的网络信息。之后，至少根据每一个第二地理位置对应的第二通信网络的网络信息，进行网络重选处理。这样，UE无需对周围所有的通信网络进行搜网处理，并且无需对所有的待接入的通信网络进行测量，从而提高网络重选的效率。
基于相同的技术构思，本申请实施例还提供了一种计算机可读存储介质，包括指令，当所述指令在计算机上运行时，使所述计算机执行网络重选的方法。
基于相同的技术构思，本申请实施例还提供了一种用户终端，所述用户终端包括：一个或多个处理器、一个或多个存储器、一个或多个调制解调器、一个或多个射频收发器；
其中，所述一个或多个存储器，用于存储程序指令；
所述一个或多个处理器，用于根据所述一个或多个存储器中存储的程序指令控制所述一个或多个调制解调器、所述一个或多个射频收发器，使得所述用户终端执行网络重选的方法。
基于相同的技术构思，本申请实施例还提供了一种用户终端，所述终端包括：一个或多个处理器，一个或多个存储器和一个或多个收发器；
所述一个或多个收发器，用于接收和发送数据；
所述一个或多个存储器用于存储指令；
所述一个或多个处理器用于调用并执行所述一个或多个存储器中的所述指令，使得所述用户终端执行网络重选的方法。
基于相同的技术构思，本申请实施例还提供了一种装置，应用于用户终端中，其特征在于，所述装置与存储器耦合，用于读取并执行所述存储器中存储的指令，使得 所述用户终端实现网络重选的方法；
所述存储器可以集成在所述处理器中，也可以独立于所述处理器之外。
基于相同的技术构思，本申请实施例还提供了如上所述的装置，其特征在于，所述装置为所述用户终端上的芯片(如片上系统SoC(System on a Chip))。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
以上所述仅为本申请的较佳实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (26)

  1. 一种网络重选的方法，其特征在于，所述方法包括：
    获取UE当前所处的第一地理位置；
    根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息包括网络制式、小区标识中的一种或多种；
    至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
  2. 根据权利要求1所述的方法，其特征在于，所述获取所述UE当前所处的第一地理位置，包括：
    获取所述UE当前接入的第一通信网络的网络信息；
    至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
  3. 根据权利要求1或2所述的方法，其特征在于，所述地理位置与通信网络的网络信息的对应关系存储在所述UE中，所述方法还包括：
    如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
    接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
  4. 根据权利要求1-3任一所述的方法，其特征在于，所述至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理，包括：
    在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
  5. 根据权利要求4所述的方法，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，包括：
    当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  6. 根据权利要求4所述的方法，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理，包括：
    如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
    如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  7. 根据权利要求4所述的方法，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理，包括：
    当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，重选至所述第四通信网络，以处理紧急呼叫业务。
  8. 一种装置，其特征在于，所述装置包括：
    获取模块，用于获取UE当前所处的第一地理位置；
    确定模块，用于根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息至少包括网络制式、小区标识中的一种或多种；
    重选模块，用于至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，进行网络重选处理。
  9. 根据权利要求8所述的装置，其特征在于，所述获取模块，具体用于：
    获取所述UE当前接入的第一通信网络的网络信息；
    至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
  10. 根据权利要求8或9所述的装置，其特征在于，所述地理位置与通信网络的网络信息的对应关系存储在所述UE中，所述装置还包括：
    发送模块，用于如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则向服务器发送查询请求，所述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
    接收模块，用于接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
  11. 根据权利要求8-10任一所述的装置，其特征在于，所述重选模块，具体用于：
    在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
  12. 根据权利要求11所述的装置，其特征在于，所述重选模块，具体用于：
    当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  13. 根据权利要求11所述的装置，其特征在于，所述重选模块，具体用于：
    如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
    如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  14. 根据权利要求11所述的装置，其特征在于，所述重选模块，具体用于：
    当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，重选至所述第四通信网络，以处理紧急呼叫业务。
  15. 一种用户设备UE，其特征在于，所述UE包括一个或多个存储器、一个或多个处理器、一个或多个调制解调器、一个或多个射频收发器，
    其中，所述一个或多个存储器，用于存储程序指令；
    所述一个或多个处理器，用于执行所述一个或多个存储器中存储的程序指令，使得所述UE执行以下操作：
    获取UE当前所处的第一地理位置；
    根据地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足预设接近度条件的至少一个第二地理位置，并确定每一个第二地理位置对应的至少一个第二通信网络的网络信息，其中，所述通信网络的网络信息包括网络制式、小区标识中的一种或多种；
    至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通过所述一个或多个调制解调器控制所述一个或多个射频收发器进行网络重选处理。
  16. 根据权利要求15所述的UE，其特征在于，所述获取所述UE当前所处的第一地理位置的操作，包括：
    通过所述一个或多个调制解调器获取所述UE当前接入的第一通信网络的网络信息；
    至少根据所述第一通信网络的网络信息，确定所述UE当前所处的第一地理位置。
  17. 根据权利要求15或16所述的UE，其特征在于，所述地理位置与通信网络的网络信息的对应关系存储在所述UE的一个或多个存储器中，所述操作还包括：
    如果根据所述UE上存储的地理位置与通信网络的网络信息的对应关系，未确定出与所述第一地理位置满足预设接近度条件的所述至少一个第二地理位置，则通过所述一个或多个调制解调器控制所述一个或多个射频收发器向服务器发送查询请求，所 述查询请求中携带有所述第一地理位置，以使所述服务器根据所述服务器中存储的地理位置与通信网络的网络信息的对应关系，确定与所述第一地理位置满足所述预设接近度条件的至少一个第三地理位置，并确定每一个第三地理位置对应的至少一个第三通信网络的网络信息；
    通过所述一个或多个调制解调器控制所述一个或多个射频收发器接收所述服务器发送的查询响应，所述查询响应中携带有所述每一个第三地理位置对应的至少一个第三通信网络的网络信息。
  18. 根据权利要求15至17任一所述的UE，其特征在于，所述至少根据所述每一个第二地理位置对应的至少一个第二通信网络的网络信息，通过所述一个或多个调制解调器控制所述一个或多个射频收发器进行网络重选处理的操作，包括：
    在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息进行网络重选处理，其中，所述条件为所述UE需要重选至的通信网络所需满足的条件，所述条件与以下项中的一种或多种相关：网络制式、公共陆地移动网络PLMN以及信号强度。
  19. 根据权利要求18所述的UE，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息进行网络重选处理的操作，包括：
    当所述UE需要从第一网络制式的通信网络重选至第二网络制式的通信网络时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择具有第二网络制式的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  20. 根据权利要求18所述的UE，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
    如果所述UE处于非漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE归属的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理；
    如果所述UE处于漫游状态，则在所述每一个第二地理位置对应的至少一个第二通信网络中，选择属于所述UE签约的PLMN的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理。
  21. 根据权利要求18所述的UE，其特征在于，所述在所述每一个第二地理位置对应的至少一个第二通信网络中，选择符合条件的至少一个第四通信网络，并通过所述一个或多个调制解调器控制所述一个或多个射频收发器根据所述至少一个第四通信网络的网络信息，进行网络重选处理的操作，包括：
    当所述UE需要处理紧急呼叫业务时，在所述每一个第二地理位置对应的至少一个第二通信网络中，选择信号强度最大的第四通信网络，通过所述一个或多个调制解调器控制所述一个或多个射频收发器重选至所述第四通信网络，以处理紧急呼叫业务。
  22. 一种计算机可读存储介质，包括指令，当所述指令在计算机上运行时，使所述计算机执行如权利要求1至7任一项所述的方法。
  23. 一种用户终端，其特征在于，所述用户终端包括：一个或多个处理器、一个或多个存储器、一个或多个调制解调器、一个或多个射频收发器；
    其中，所述一个或多个存储器，用于存储程序指令；
    所述一个或多个处理器，用于根据所述一个或多个存储器中存储的程序指令控制所述一个或多个调制解调器、所述一个或多个射频收发器，使得所述用户终端执行权利要求1-7任意一项所述的方法。
  24. 一种用户终端，其特征在于，所述终端包括：一个或多个处理器，一个或多个存储器和一个或多个收发器；
    所述一个或多个收发器，用于接收和发送数据；
    所述一个或多个存储器用于存储指令；
    所述一个或多个处理器用于调用并执行所述一个或多个存储器中的所述指令，使得所述用户终端执行如权利要求1-7任一所述的方法。
  25. 一种装置，应用于用户终端中，其特征在于，所述装置与存储器耦合，用于读取并执行所述存储器中存储的指令，使得所述用户终端实现如权利要求1-7任一项所述的方法。
  26. 如权利要求25所述的装置，其特征在于，所述装置为所述用户终端上的芯片。
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