CN114125878A - Communication method and device - Google Patents

Communication method and device Download PDF

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Publication number
CN114125878A
CN114125878A CN202010873754.3A CN202010873754A CN114125878A CN 114125878 A CN114125878 A CN 114125878A CN 202010873754 A CN202010873754 A CN 202010873754A CN 114125878 A CN114125878 A CN 114125878A
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China
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network
network element
information
function network
management function
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CN202010873754.3A
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Chinese (zh)
Inventor
徐艺珊
诸华林
朱浩仁
杨明月
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202010873754.3A priority Critical patent/CN114125878A/en
Priority to PCT/CN2021/114521 priority patent/WO2022042598A1/en
Publication of CN114125878A publication Critical patent/CN114125878A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

The application provides a communication method and a communication device, which are used for reducing construction cost and relate to the technical field of wireless communication. In the method, a first network open function network element may receive a location request message for requesting location information of a terminal device. The first network open function network element may send the first request message to a second network open function network element of the second network. The first network open function network element may further receive location information of the terminal device sent by the second network open function network element. The first network open function network element may send a location request response carrying the location information. Based on the scheme, the first network does not need to deploy network elements related to the positioning service, and when the positioning requirement exists, the first request message can be sent to the second network to request the second network to provide the positioning service. The first network can receive the position information sent by the second network, so that the terminal equipment is positioned, the construction and operation and maintenance cost can be saved, and the operation and maintenance complexity is reduced.

Description

Communication method and device
Technical Field
The present application relates to the field of wireless communication technologies, and in particular, to a communication method and apparatus.
Background
At present, the industrial park has a large demand for positioning service, and a plurality of devices can finish functions such as automatic operation only by having certain positioning capability. Such as Automated Guided Vehicles (AGVs). The current positioning technologies may include a Global Positioning System (GPS), a beidou positioning system, inertial navigation, electromagnetic navigation, and other positioning technologies. Moreover, the industrial park can also realize the positioning service of the industrial park by means of the positioning service provided by the network equipment.
Therefore, the industrial park can deploy an independent private network to realize the positioning service. So-called stand alone non-public networks (SNPN), which do not rely on Public Land Mobile Networks (PLMNs), are operated by SNPN-specific operators. The network elements in an independent private network all serve the User Equipment (UE) of that private network. Control plane signaling and user plane data in the SNPN cannot be transmitted to an external network, and a certain security privacy effect is achieved.
If a positioning service is to be provided in the SNPN architecture, network elements related to the positioning service, such as a mobile gateway location center (GMLC) and a Location Management Function (LMF), need to be deployed. However, deploying these location services-related network elements will undoubtedly increase the construction cost and the operation and maintenance complexity.
Disclosure of Invention
The application provides a communication method and device for reducing construction cost and operation and maintenance complexity.
In a first aspect, an embodiment of the present application provides a communication method. The method may be performed by a first network open function network element of a first network. In the method, a first network open function network element may receive a location request message for requesting location information of a terminal device. The terminal device may be located in a first network. The first network open function network element may send the first request message to a second network open function network element of the second network. The first network and the second network here may be different. The first request message may contain an identification of the first network, and the first request message may be used to request the second network to determine location information of the terminal device. The first network open function network element may further receive location information of the terminal device sent by the second network open function network element. The first network open function network element may further carry the location information of the terminal device in a location request response corresponding to the location request message, and send the location request response.
Based on the scheme, the first network does not need to deploy network elements related to the positioning service, and when the positioning requirement exists, the first request message can be sent to the second network to request the second network to provide the positioning service. The first network can receive the position information sent by the second network, so that the terminal equipment is positioned, the construction and operation and maintenance cost can be saved, and the operation and maintenance complexity can be reduced.
In a possible implementation manner, after receiving the location request message, the first network open function network element may further generate a first transaction number according to the location request message. The first transaction number is used to identify a service request of the terminal device. The first network open function may carry the identity of the first network and the first transaction number in the first request message.
Based on the scheme, the service request of the terminal equipment can be identified by the first transaction number, the first transaction number and the identifier of the first network are carried in the first request message and sent to the second network open function network element, and certain security and privacy protection effects can be achieved on the terminal equipment.
In a possible implementation manner, the first request message may further include first information; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network. Wherein the first information may comprise at least one of a first identity and a first indication of the terminal device. The first identifier may be a universal identifier of the terminal device in the first network. The common identifier may be an identifier common to all terminal devices in the first network, or may also be an identifier common to some terminal devices in the first network. For example, the universal identification of each terminal device in the first network may or may not be the same. The first indication may be for indicating that the first identity is an identity of a terminal device in the first network or the first indication may indicate that the terminal device is a terminal device of a non-second network.
Based on the scheme, the first network open function network element can use the first information to identify the terminal device of the first network, so that the second network can know that the terminal device is a terminal device of a non-second network, but the second network cannot know the identifier of the terminal device in the first network, so that the privacy of the terminal device can be protected, and the security of the first network is improved.
In one possible implementation, the first information may be a setting value. For example, the first identifier in the first information may be a setting value, wherein the first identifiers of all terminal devices in the first network are the same. Alternatively, the first information of different terminal devices may be different. For example, each terminal device of the first network may be assigned a different identifier, which is used by the second network to identify the terminal device as a terminal device of the first network, but cannot enable the second network to identify the terminal device. Alternatively, the first information may comprise an identification of the first network, and the first information of different terminal devices is different. For example, the first identifier may include an identifier of the first network. At this time, the first identifier may include a role of the first indication, that is, the first identifier may indicate that the first identifier is an identifier of a terminal device in the first network, and the second network may determine that the terminal device is the identifier of the first network through the first identifier, but the second network cannot recognize the identity of the terminal device through the first identifier, thereby implicitly including the role of the first indication.
Based on the scheme, the same first information can be allocated to all the terminal devices in the first network, one piece of first information can also be allocated to each terminal device in the first network, and the first information can also include the identifier of the first network, so that the second network can recognize that the terminal device is the terminal device in the first network according to the first information, but cannot recognize the identity of the terminal device according to the first information, the privacy of the terminal device can be protected, and the security of the first network can be improved.
In one possible implementation, the first network open function network element may receive a first response message of the first request message from the second network open function network element. The first response message may contain location information of the terminal device. The first network open function network element may determine the identifier of the terminal device in the first network according to at least one of the identifier of the first network, the first transaction number, the second transaction number, and the first information. The second transaction number here may be used to identify the service request of the first network. The first network open function network element may send the location response message according to the identifier of the terminal device in the first network. The location response message may contain location information of the terminal device.
Based on the scheme, the second network open function network element can identify the service request of the first network through the second transaction number, and the first network open function network element and the second network open function network element can communicate with the first information through the identification of the first network, the first transaction number, the second transaction number and the first information, so that the security of the first network can be improved, and the privacy of the terminal equipment can be protected.
In a possible implementation manner, after sending the first request message to the second network open function network element, the first network open function network element may further receive a second data request message sent by the second network open function network element. The second data request message may include at least one of the first transaction number, an identification of the first network, the second transaction number, and the first information. The second data request message may be used to request acquisition of data required for positioning. The first network open function network element may send the second response message to the second network open function network element. The second response message may comprise data required for said collected position fix.
Based on the scheme, the first network open function network element can determine the identifier of the terminal device in the first network according to at least one of the first transaction number, the identifier of the first network, the second transaction number and the first information, so as to collect data required by the positioning of the terminal device, and send the collected data to the second network open function network element to realize the positioning of the terminal device.
In a possible implementation manner, the first network open function network element may store an association relationship between the identifier of the first network, the first transaction number, the identifier of the terminal device in the first network, the first information, and at least two of the second transaction number. For example, the association relationship between the first transaction number and the identifier of the terminal device in the first network may be stored, or the association relationship between the identifier of the first network, the first transaction number, the identifier of the terminal device in the first network, the first information, and the second transaction number may be stored.
Based on the scheme, the first network open function network element can communicate with the second network open function network element according to the stored association relationship, and the identifier of the terminal equipment in the first network is determined, so that the identifier of the terminal equipment in the first network can be prevented from being disclosed, the privacy of the terminal equipment is protected, and the security of the first network is improved.
In a second aspect, embodiments of the present application provide another communication method. The method may be performed by a second network open function network element of a second network in the embodiment of the present application. In the method, the second network element may receive a first request message from the first network element. The first request message may include an identifier of the first network, and the first request message may be used to request the second network to determine the location information of the terminal device. The terminal device here may be located in the first network. The second network open function network element may receive the location information of the terminal device determined by the first location management function network element of the second network, and send the location information to the first network open function network element.
Based on the scheme, a network element related to positioning does not need to be deployed in the first network, the second network can be requested to provide positioning service when positioning is required, the positioning service for the terminal equipment in the first network is realized, the construction and operation and maintenance cost of the first network can be saved, and the operation and maintenance complexity can be reduced.
In a possible implementation manner, a first transaction number may be further included, and the first transaction number may be used for identifying a service request of the terminal device. The second network open function network element may generate the second transaction number according to the first transaction number and the identifier of the first network. The second transaction number here may be used to identify the service request of the first network.
Based on the scheme, the second network open function network element may identify the service request of the different first network with the second transaction number.
In a possible implementation manner, after receiving the first request message sent by the first network open function network element, the second network open function network element may also send at least one of the second transaction number and the first information, and the identifier of the first network to a gateway mobile location center network element of the second network. In this way, the gateway mobile location center network element may send the third request message to the first location management function network element of the second network through the access and management function network element of the second network. The third request message may be for requesting the first location management function network element to determine location information of the terminal device. Wherein the first location management function network element may be selected by the access and mobility management function network element based on at least one of the second transaction number and the first information. The first information may be used to identify the terminal device, the first information being different from the identification of the terminal device in the first network.
Based on the scheme, the access and mobility management function network element can select the access and mobility management function network element for the first network according to at least one of the second transaction number and the first information to realize the positioning of the terminal equipment. In addition, the first information is different from the identification of the terminal device in the first network, so that the privacy of the terminal device can be ensured, and the security of the first network can be improved.
In a possible implementation manner, the second network open function network element may receive an identifier or an address of the first location management function network element of the second network from the unified data management function network element of the second network. The second network open function network element may determine the first location management function network element according to the identifier or the address, and send a third request message to the first location management function network element. The third request message may be for requesting the first location management function network element to determine the location information of the terminal device.
Based on the scheme, the first location management function network element may be selected by the unified data management function network element for the first network, and the second network open function network element may determine the location information of the terminal device through the first location management function network element.
In a possible implementation manner, after receiving the first request message sent by the first network open function network element, the second network open function network element may send a third request message to the first location management function network element of the second network. The third request message may be for requesting the first location management function network element to determine location information of the terminal device. The first location management function network element is selected by the unified data management function network element of the second network according to the identifier of the first network.
Based on the scheme, the second network does not need to deploy a gateway mobile location center network element and an access and mobile management function network element when being deployed, the first location management function network element can be selected through the unified data management function network element, and the first location management function network element realizes the positioning of the terminal equipment, so that the construction and operation and maintenance cost can be saved, and the operation and maintenance complexity can also be reduced.
In a possible implementation manner, the first location management function network element is selected when the unified data management function network element checks subscription data of the first network according to an identifier of the first network and determines that the first network has a location service authority.
Based on the scheme, the unified data management function network element can check the signed data according to the identifier of the first network to perform authority control, and select the first location management function network element for providing the location service for the first network according to the identifier of the first network.
In one possible implementation, the first information may include at least one of a first identification and a first indication of the terminal device. The first identifier may be a universal identifier of the terminal device in the first network. The common identifier may be an identifier common to all terminal devices in the first network, or may also be an identifier common to some terminal devices in the first network. For example, the universal identity of each terminal device in the first network may not be the same. The first indication may be used to indicate that the first identity is an identity of a terminal device in the first network or that the first identity is an identity of a terminal device that is not the second network. When the first identifier in the first information is a setting value, the access and mobility management function network element may select the first location management function network element according to the second transaction number and the first information. The first location management function network element may be determined based on at least one of the second transaction number and the first information when the first identities of the different terminal devices are different. And when the first identifier comprises the identifier of the first network and the first information of different terminal equipment is different, the first location management function network element is determined according to at least one of the second transaction number and the first identifier.
Based on the scheme, the second network can select the first location management function network element for the first network according to the second transaction number and/or the first information, so that the terminal equipment is positioned, the identifier of the terminal equipment in the first network can be avoided, the privacy of the terminal equipment can be protected, and the security of the first network can be improved.
In a possible implementation manner, before the second network open function network element receives the location information of the terminal device, the first data request message may also be received. The first data request message may include at least one of the second transaction number and the first information, and the first data request message may be used to obtain data required for positioning. The second network open function network element may determine the identifier of the first network according to at least one of the second transaction number and the first information, and send a second data request message to the first network. The second data request message herein may contain at least one of the first transaction number, an identification of the first network, the second transaction number and the first information.
Based on the scheme, the second network open function network element sends data required for positioning to the first network open function network element according to at least one of the first transaction number, the identifier of the first network, the second transaction number and the first information, so as to realize positioning of the terminal device, avoid using the identifier of the terminal device in the first network, protect the privacy of the terminal device, and improve the security of the first network.
In a possible implementation manner, the second network open function network element may search for the identifier of the corresponding first network according to the second transaction number, and send the location information of the terminal device to the first network open function network element of the first network.
Based on the scheme, the second network open function network element may identify the service request of the first network according to the second transaction number, and may implement communication with the first network open function network element according to the second transaction number.
In a third aspect, an embodiment of the present application provides a communication method. The method may be performed by a unified data management function network element of the second network. In the method, the network element with unified data management function may receive an identifier of the first network. The identification of the first network may be sent by the second network open function in the second network.
In one example, the unified data management function network element may view subscription data of the first network according to an identifier of the first network. If the first network has the authority to acquire the positioning service, the unified data management function network element can select an access and mobility management function network element for the first network. The unified data management function network element may send the identifier and/or address of the access and mobility management function network element to the network management mobile location center of the second network. Therefore, the network management mobile location center may send the second transaction number to the access and management functional network element, and the access and management functional network element may select the first location management functional network element for the first network. The first location management function network element here may be configured to determine location information of terminal devices of the first network.
In another example, the unified data management function network element may view subscription data of the first network according to the identifier of the first network. If the first network has the right to acquire the location service, the unified data management function network element may select a first location management function network element for the first network. The first location management function network element may be configured to determine location information of a terminal device of the first network.
Based on the scheme, the unified data management function network element can perform authority authentication according to the identifier of the external network, namely, the signed data of the external network can be checked according to the identifier of the external network, whether the external network has the authority for acquiring the positioning service is determined, the unified data management function network element does not need to acquire the identifier of the terminal device to perform the authority authentication, the privacy of the terminal device of the first network can be ensured, and the safety of the first network is improved.
In a fourth aspect, an embodiment of the present application provides a communication method. The method may be performed by a communication system. In the method, a first network open function network element may receive a location request message for requesting location information of a terminal device. The terminal device and the first network open function network element may be located in the first network. The first network open function network element may send a first request message to a network element in a second network, where the first request message may include an identifier of the first network. The first request message is used for requesting the second network to determine the position information of the terminal equipment. The network element in the second network may determine a first location management function network element in the second network for determining the location information of the terminal device. The first location management function network element may determine location information of the terminal device, and send the location information of the terminal device to a second network open function network element. The second network open function network element may send the location information to the first network open function network element.
In a possible implementation manner, after receiving the location request message, the first network open function network element may generate a first transaction number according to the location request message. The first transaction number may be used to identify a service request of the terminal device. The first request message may include the first transaction number. After receiving the first request message, the second network open function network element may generate a second transaction number according to the first transaction number and the identifier of the first network. The second transaction number may be used to identify a service request of the first network.
In a possible implementation manner, the first request message may include the first information. The first information may be used to identify the terminal device, and the first information is different from the identification of the terminal device in the first network.
In a possible implementation manner, after receiving the first request message, the second network open function network element may further send at least one of the second transaction number and the first information, and the identifier of the first network to the gateway mobile location center network element. The gateway mobile location center may be located in the second network. The gateway mobile location center network element may send at least one of the second transaction number and the first information to the access and mobility management function network element. The access and mobility management function network element may be located in the second network. The access and mobility management function network element may select the first location management function network element in the second network according to at least one of the second transaction number and the first information. The access and management function network element may generate a third request message and send the third request message to the first location management function. The third request message may be used to request the first location management function network element to determine the location information of the terminal device.
In a possible implementation manner, after the second network open function network element sends at least one of the second transaction number and the first information to the gateway mobile location center network element and the identifier of the first network, the gateway mobile location center may send the identifier of the first network to the unified data management function network element, and the unified data management function network element may be located in the second network. The unified data management function network element may check subscription data of the first network according to the identifier of the first network, and may select the access and mobility management function network element for the first network when it is determined that the first network has the right to acquire a location service. The network element with unified data management function may send the identifier or address of the selected network element with access and mobility management function to the network element with gateway mobile location center. The gateway mobile location center network element may determine the access and mobility management function network element according to the identifier or the address, and send the second transaction number to the access and mobility management function network element.
In a possible implementation manner, after receiving the first request message, the second network open function network element may send an identifier of the first network to the unified data management function network element. The unified data management function network element may check the subscription data of the first network according to the identifier of the first network, and select the first location management function network element for the first network when it is determined that the first network has the right to obtain the location service. The unified data management function network element may send the identifier or the address of the selected first location management function network element to the second network open function network element. The second network open function network element may send a third request message to the first location management function network element. The third request message may be used to request the first location management function network element to determine the location information of the terminal device.
In a possible implementation manner, the first information may be received from the first network open function network element; or, the first information may also be generated by the second network open function network element according to the identifier of the first network.
In a possible implementation manner, when the first information is a setting value, the access and mobility management function network element may select the first location management function network element according to the second transaction number and the first information. Or the first information of different terminal devices is different, the first location management function network element may be determined according to at least one of the second transaction number and the first information. Or the first information includes an identifier of the first network to which the terminal device belongs, and the first information of different terminal devices is different, the first location management function network element may be determined according to at least one of the second transaction number and the first information.
In a possible implementation manner, before the first location management function network element determines the location information of the terminal device, a first data request message may be sent to the second network open function network element. The first data request message may contain at least one of the second transaction number and the first information, and the first data request message may be used to acquire data required for positioning. The second network open function network element may determine the identifier of the first network according to at least one of the second transaction number and the first information. The second network open function network element may send a second data request message to the first network open function network element. The second data request message includes at least one of the first transaction number, the identifier of the first network, the second transaction number, and first information, and is used to request to acquire data required for positioning. The first network open function network element may collect the data required for the positioning according to the second data request message, and send a second response message to the second network open function network element. The second response message may contain the collected data required for the positioning. The second network open function network element may send the data required for the positioning to the first location management function network element. The first location management function network element may determine the location information according to the data required for the positioning.
In a possible implementation manner, the second network open function network element may search for the identifier of the corresponding first network according to the second transaction number. The second network open function network element may send a first response message to the first network open function network element. The first response message here contains the location information. The first network open function network element may determine, according to at least one of the first transaction number, the second transaction number, and the first information, an identifier of the terminal device in the first network. The first network open function network element may send a location request response according to the identifier of the terminal device in the first network, where the location request response includes the location information.
In one possible implementation, the first network may be a non-public network and the second network may be a public network or a public land mobile network.
In a fifth aspect, an embodiment of the present application provides a communication system. The system may include a first network and a second network. The first network may include a first network open function network element, and the second network may include a second network open function network element and at least one location management function network element.
The first network open function network element may be configured to receive a location request message requesting location information of a terminal device. The terminal device is located in a first network. The first network open function network element may be further configured to send a first request message to the second network open function network element, where the first request message may include an identifier of the first network, and the first request message may be used to request the second network to determine the location information of the terminal device. The network element in the second network may be configured to determine a first location management function network element in the second network that is configured to determine the location information of the terminal device. The first location management function network element may be configured to determine location information of the terminal device, and send the location information to the second network open function network element. The second network open function network element may be configured to receive the location information and send the location information to the first network open function network element.
In a possible implementation manner, after receiving the location request message, the first network open function network element may further be configured to generate a first transaction number according to the location request message. The first transaction number is used to identify a service request of the terminal device, and the first request message may also contain the first transaction number. The second network open function network element may be further configured to generate a second transaction number according to the first transaction number and the identifier of the first network after receiving the first request message. The second transaction number may be used to identify a service request of the first network.
In a possible implementation manner, the second network may further include a gateway mobile location center network element and an access mobility management function network element. Before the first location management function network element determines the location information of the terminal device, the second network open function network element may be further configured to send at least one of the second transaction number and the first information, and the identifier of the first network to the gateway mobile location center after receiving the first request message. The first information may be used to identify the terminal device, and the first information may be different from the identification of the terminal device in the first network. The gateway mobile location center network element may be configured to send at least one of the second transaction number and the first information to the access and mobility management function network element. The access and mobility management function network element may be configured to generate a third request message, which may be used to request the first location management function network element to determine the location information of the terminal device. The access and mobility management function network element may be further configured to select the first location management function network element according to at least one of the second transaction number and the first information. The access and mobility management function network element may be further configured to send the third request message to the first location management function network element.
In a possible implementation, the second network may further include a unified data management function network element. The gateway mobile location center may be further configured to send the identifier of the first network to the network element with the unified data management function after receiving the second transaction number and the identifier of the first network. The unified data management function network element may be configured to check subscription data of the first network according to the identifier of the first network, select an access and mobility management function network element for the first network when determining that the first network has the right to acquire the location service, and send the identifier or address of the selected access and management function network element to the gateway mobile location center network element. The gateway mobile location center network element may further be configured to determine the access and mobility management function network element according to the identifier or the address, and send the second transaction number to the access and mobility management function network element.
In a possible implementation, the second network may further include a unified data management function network element. The second network open function network element may be further configured to send an identifier of the first network to the unified data management function network element after receiving the first request message sent by the first network open function network element. The unified data management function network element may be configured to select the first location management function network element for the first network when the subscription data of the first network is checked according to the identifier of the first network and it is determined that the first network has the right to obtain the location service. The unified data management function network element may further be configured to send the identifier or the address of the selected first location management function network element to the second network cooking function network element. The second network open function network element may be further configured to send a third request message to the first location management function network element, where the third request message may be used to request the first location management function network element to determine the location information of the terminal device.
In a possible implementation manner, the first information may be received from the first network open function network element, or the first information may also be generated by the second network open function network element according to the identifier of the first network.
In a possible implementation manner, when the first information is a setting value, the first location management function network element is determined according to the second transaction number and the first information; or the first information of different terminal devices is different, the first location management function network element may be determined according to at least one of the second transaction number and the first information; or the first information includes an identifier of the first network to which the terminal device belongs, and the first information of different terminal devices is different, the first location management function network element may be determined according to at least one of the second transaction number and the first information.
In a possible implementation manner, the first location management function network element may be further configured to send a first data request message to the second network open function network element before determining the location information. The first data request message may include at least one of a transaction number and first information, and the first data request message may be used to request to acquire data required for positioning. The second network open function network element may be further configured to receive the first data request message, determine an identifier of the first network according to at least one of the second transaction number and the first information, and send the second data request message to the first network open function network element. The second data request message contains at least one of the first transaction number, the identification of the first network, the second transaction number and the first information, and the second data request message can be used for requesting to acquire data required for positioning. The first network open function network element may be further configured to collect data required for positioning according to the second data request message, and send a second response message to the second network open function network element. The second response message may here contain collected data required for said positioning. The second network open function network element may be further configured to send data required for positioning to the first location management function network element, and the first location management function network element may be further configured to determine location information of the terminal device according to the data required for positioning.
In a possible implementation manner, the second network open function network element may be further configured to determine the identifier of the first network according to the second transaction number. The second network open function network element may be further configured to send a first response message to the first network open function network element of the first network. The first response message may include location information. The first network open function network element may be further configured to determine, according to at least one of the first transaction number, the second transaction number, and the first information, an identifier of the terminal device in the first network. The first network open function network element may be further configured to send a location request response according to the identifier of the terminal device in the first network, where the location request response may include location information of the terminal device.
In a sixth aspect, a communication device is provided, which may comprise means for performing the respective modules/units of the first aspect or any one of the possible implementations of the first aspect. Such as a communication unit and a processing unit.
In one design, the processing unit is configured to receive, via the communication unit, a location request message requesting location information of a terminal device; the terminal equipment is positioned in the first network; the processing unit is further configured to send, through the communication unit, a first request message to a second network open function network element of a second network; the first request message contains an identification of the first network; the first request message is used for requesting the second network to determine the position information of the terminal equipment; the processing unit is further configured to receive, through the communication unit, location information of the terminal device sent by the second network open function network element; the processing unit is further configured to carry the location information of the terminal device in a location request response corresponding to the location request message, and send the location request response through the communication unit.
In one design, the processing unit, after receiving the location request message through the communication unit, is further configured to generate a first transaction number according to the location request message; the first transaction number is used for identifying a service request of the terminal equipment. The processing unit may be specifically configured to send, to the second network open function network element, a first request message carrying the identifier of the first network and the first transaction number when the processing unit sends the first request message to the second network open function network element through the communication unit.
In one design, the first request message includes first information; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network.
In one design, the first information is a setting value; or the first information of different terminal devices is different; or, the first information includes an identifier of the first network, and the first information of different terminal devices is different.
In one design, the processing unit carries the location information of the terminal device in a location request response of the location request message, and when the location request response is sent by the communication unit, the processing unit is specifically configured to: receiving, by the communication unit, a first response message of the first request message from the second network open function network element; the first response message includes the location information. The processing unit is specifically configured to determine, according to at least one of the identifier of the first network, the first transaction number, the second transaction number, and the first information, the identifier of the terminal device in the first network. The second transaction number is used to identify a service request of the first network; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network. The processing unit is specifically configured to send the location request response through the communication unit according to the identifier of the terminal device in the first network; the location request response includes the location information.
In one design, after sending the first request message to a second network open function network element of a second network through the communication unit, the processing unit is further configured to receive, through the communication unit, a second data request message sent by the second network open function network element, where the second data request message includes at least one of the first transaction number, an identifier of the first network, a second transaction number, and first information; the second data request message is used for requesting to acquire data required by positioning, and the second transaction number is used for identifying a service request of the first network; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network. The processing unit is further configured to send a second response message to the second network open function network element through the communication unit; the second response message includes data required for the positioning.
In one design, the apparatus further includes a memory cell. The storage unit may be configured to store an association relationship between at least two of the identifier of the first network, the first transaction number, the identifier of the terminal device in the first network, the first information, and the second transaction number.
In a seventh aspect, a communication device is provided, which may include various modules/units for performing the second aspect or any one of the possible implementations of the second aspect. Such as a communication unit and a processing unit.
The processing unit is configured to receive, through the communication unit, a first request message from a first network open function network element of a first network; the first request message contains an identification of the first network; the first request message is used for requesting the second network to determine the position information of the terminal equipment; the terminal device is located in the first network. The processing unit is further configured to receive, through the communication unit, the location information determined by a first location management function network element of the second network. The processing unit is further configured to send the location information to the first network open function network element through the communication unit.
In one design, the first request message further includes a first transaction number; the first transaction number is used for identifying a service request of the terminal equipment. The processing unit is further configured to generate a second transaction number according to the first transaction number and the identifier of the first network; the second transaction number is used to identify a service request of the first network.
In one design, after receiving, by the communication unit, a first request message sent by a first network open function network element of a first network, the processing unit is further configured to send, by the communication unit, at least one of a second transaction number and first information and an identifier of the first network to a gateway mobile location center network element of a second network, so that the gateway mobile location center network element sends, by an access and mobility management function network element of the second network, a third request message to the first location management function network element of the second network; the third request message is used for requesting the first location management function network element to determine the location information of the terminal device; the first location management function network element is selected by the access and mobility management function network element according to at least one of the second transaction number and the first information; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network.
In one design, the processing unit is further configured to receive, through the communication unit, an identification or address of a first location management function network element of the second network from a unified data management function network element of the second network. The processing unit is further configured to determine the first location management function network element according to the identifier or the address. The processing unit is further configured to send a third request message to the first location management function network element through the communication unit after receiving the first request message sent by the first network open function network element of the first network through the communication unit; the third request message is used for requesting the first location management function network element to determine the location information of the terminal device.
In one design, the first location management function network element is selected when the unified data management function network element of the second network checks the subscription data of the first network according to the identifier of the first network and determines that the first network has the authority to acquire the location service.
In one design, the first information is received from the first network open function network element; or, the first information is generated by the second network open function network element according to the identifier of the first network.
In one design, when the first information is a setting value, the first location management function network element is determined according to the second transaction number and the first information; or when the first information of different terminal devices is different, the first location management function network element is determined according to at least one of the second transaction number and the first information; or the first information includes an identifier of the first network to which the terminal device belongs, and the first information of different terminal devices is different, and the first location management function network element is determined according to at least one of the second transaction number and the first information.
In one design, before receiving the location information of the terminal device through the communication unit, the processing unit is further configured to receive a first data request message through the communication unit, where the first data request message includes at least one of the second transaction number and first information, and the first data request message is used to obtain data required for positioning. The processing unit is further configured to determine an identifier of the first network according to at least one of the second transaction number and the first information, and send a second data request message to the first network open function network element of the first network through the communication unit; the second data request message includes at least one of the first transaction number, an identification of the first network, the second transaction number, and the first information.
In one design, when the processing unit sends the location information to the first network open function network element through the communication unit, the processing unit is specifically configured to: and searching the corresponding identifier of the first network according to the second transaction number, and sending the position information to the first network open function network element of the first network through the communication unit.
In an eighth aspect, a communication device is provided, which may include various means for performing any one of the possible implementations of the third aspect or the third aspect. Such as a communication unit and a processing unit.
The communication unit is used for receiving the identification of the first network; the unified data management function network element is positioned in a second network;
the processing unit is used for checking the subscription data of the first network according to the identifier of the first network. And when determining that the first network has the right to acquire the positioning service, selecting an access and mobility management function network element for the first network. The access and mobility management function network element may be configured to request, from a first location management function network element, location information of a terminal device in the first network; the first location management function network element is configured to determine location information of the terminal device; the access and mobility management function network element and the first location management function network element are located in a second network.
Or, the processing unit is configured to view subscription data of the first network according to the identifier of the first network. When the first network is determined to have the positioning service right, selecting a first position management function network element for the first network; the first location management function network element is configured to determine location information of a terminal device in the first network; the first location management function network element is located in a second network.
In a ninth aspect, a communication device is provided that includes a processor and a memory. The memory is used for storing computer executable instructions, and when the controller runs, the processor executes the computer executable instructions in the memory to perform the operation steps of the method in the first aspect or any one of the possible implementations of the first aspect, or perform the operation steps of the method in the second aspect or any one of the possible implementations of the second aspect, or perform the operation steps of the method in any one of the possible implementations of the third aspect or the third aspect, by using hardware resources in the controller.
In a tenth aspect, the present application provides a computer-readable storage medium having stored therein instructions, which when run on a computer, cause the computer to perform the method of the above-described aspects.
In an eleventh aspect, the present application provides a computer program product storing instructions that, when run on a computer, cause the computer to perform the method of the above aspects.
In addition, the advantageous effects of the fourth to eleventh aspects described above may be addressed to the advantageous effects shown in the first and third aspects.
Drawings
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a communication system according to an embodiment of the present application;
fig. 3 is a schematic diagram of a communication system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an access network device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an access network device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an access network device according to an embodiment of the present application;
fig. 7 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 8 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 9 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 10 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 11 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 12 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 13 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 14 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 15 is an exemplary flowchart of a communication method provided in an embodiment of the present application;
fig. 16 is a schematic diagram of a communication device according to an embodiment of the present application;
fig. 17 is a schematic diagram of a communication device according to an embodiment of the present application;
fig. 18 is a schematic diagram of a communication device according to an embodiment of the present application.
Detailed Description
Hereinafter, some terms in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.
1) Public network, a common public network providing network services for terminal devices in daily life. Public networks, i.e., Public Land Mobile Networks (PLMNs), are networks established and operated by governments or operators approved by them for the purpose of providing land mobile communications services to the public. The network is typically interconnected with a Public Switched Telephone Network (PSTN) to form a regional or national scale communications network.
2) Private networks, in addition to public networks, operators or private persons may also build certain private networks (NPN) to meet the needs of users for some purposes. A private network may also be referred to as a non-public network and refers to a network that is open to a particular user, such as an internal network built in a company, school, or factory. Terminal devices not subscribed to the private network are not allowed to access the private network.
3) The terms "system" and "network" in the embodiments of the present application may be used interchangeably. "plurality" means two or more, and other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Furthermore, for elements (elements) that appear in the singular form "a," an, "and" the, "they are not intended to mean" one or only one "unless the context clearly dictates otherwise, but rather" one or more than one. For example, "a device" means for one or more such devices. Still further, at least one (at least one of a).
The technical scheme of the embodiment of the application can be applied to various communication systems, for example: long Term Evolution (LTE) systems, Worldwide Interoperability for Microwave Access (WiMAX) communication systems, fifth Generation (5th Generation, 5G) systems, such as new radio access technology (NR), and future communication systems, such as 6G systems.
This application is intended to present various aspects, embodiments or features around a system that may include a number of devices, components, modules, and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc. and/or may not include all of the devices, components, modules etc. discussed in connection with the figures. Furthermore, a combination of these schemes may also be used.
The network architecture and the service scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not form a limitation on the technical solution provided in the embodiment of the present application, and as a person of ordinary skill in the art knows that along with the evolution of the network architecture and the appearance of a new service scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.
The following describes a scenario in which the communication method provided in the embodiment of the present application is applicable. As shown in fig. 1, a terminal device 101, a first network 102 and a second network 103 may be included in the scenario. Here, the first network 102 may be a non-public network, and the second network 103 may be a public network or a public land mobile network. The terminal device 101 is located in the first network 102, and when the terminal device 101 needs to be located, the first network 102 may send a request message to the second network 103 to request the second network 103 to provide a location service, and determine location information of the terminal device 101. The second network 103 may transmit the location information of the terminal device 101 to the first network 101 after determining the location information.
The following describes the architecture of the first network 102 and the second network 103 in fig. 1, which may include two cases.
Case 1:
as shown in fig. 2, the first network 102 may include a network open function (NEF) network element, AN access and mobility management function (AMF) network element, AN Access Network (AN) device, AN Application Function (AF) network element, a User Plane Function (UPF) network element, and a Session Management Function (SMF) network element. The AMF may receive a request message for acquiring the location information of the terminal device, and send the request message to the NEF to inform the NEF of the need to acquire the location service to the second network 103. The terminal device 101 may be located in the first network 102, and the first network 102 provides the terminal device 101 with communication services.
The second network 103 may include NEF, Gateway Mobile Location Center (GMLC) network elements, unified data management function (UDM) network elements, AMF and Location Management Function (LMF) network elements, and Policy Control Function (PCF) network elements. The NEF may receive a message sent by the NEF of the first network to request location information of the terminal device, and send the request message to the UDM through the GLMC to notify the UDM to select the AMF for the first network 102. The GLMC may send a request message to the AMF selected by the UDM informing the AMF to request the LMF to provide location services for the first network 102. The LMF may determine location information of the terminal device and send the location information to the NEF through the AMF and the GLMC.
It should be understood that the first network 102 and the second network 103 of the embodiment of the present application are not limited to the architecture shown in fig. 2, and the names of the network elements shown in fig. 2 are only illustrated as an example herein, and are not intended to limit the network elements included in the architecture of the communication system used by the method of the present application.
Case 2:
as shown in fig. 3, the architecture of the first network 102 may include network elements such as NEF, AMF, AN equipment, AF, UPF, and SMF, as shown in fig. 2. The architecture of the second network 103 may include NEF, UDM and LMF. The NEF may receive a request message sent by the NEF of the first network to request location information of the terminal device, and send the request message to the UDM, requesting the UDM to select an LMF for the first network 102. The NEF may send a request message to the LMF selected by the UDM over the servi-zation interface informing the LMF to provide location services for the first network 102. The LMF may determine location information of the terminal device and send the location information to the NEF. It should be understood that the first network 102 and the second network 103 of the embodiment of the present application are not limited to the architecture shown in fig. 3, and the names of the network elements shown in fig. 3 are only illustrated as an example herein, and are not intended to limit the network elements included in the architecture of the communication system used by the method of the present application.
The following describes in detail the functions of each network element or device of the communication system according to the embodiment of the present application:
the terminal device, which may also be referred to as a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), etc., is a device that provides voice and/or data connectivity to a user. For example, the terminal device may include a handheld device, a vehicle-mounted device, and the like having a wireless connection function. Currently, the terminal device may be: a mobile phone (mobile phone), a tablet computer, a notebook computer, a palm top computer, a Mobile Internet Device (MID), a wearable device, a Virtual Reality (VR) device, an Augmented Reality (AR) device, a wireless terminal in industrial control (industrial control), a wireless terminal in self-driving (self-driving), a wireless terminal in remote surgery (remote medical supply), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in city (smart city), a wireless terminal in smart home (smart home), and the like. The terminal device in fig. 1 is shown as a UE, which is only an example and is not limited to the terminal device.
The radio access network may be AN Access Network (AN) shown in fig. 2 and 3, and provides a radio access service to the terminal device. The access network device is a device for accessing the terminal device to a wireless network in the communication system. The access network device is a node in a radio access network, which may also be referred to as a base station, and may also be referred to as a Radio Access Network (RAN) node (or device). Currently, some examples of access network devices are: a gbb, a Transmission Reception Point (TRP), an evolved Node B (eNB), a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (e.g., home evolved Node B, or home Node B, HNB), a Base Band Unit (BBU), or a wireless fidelity (Wifi) Access Point (AP), etc.
For example, the radio access network device in the embodiment of the present application may split the radio access network device into two parts according to the protocol stack function: a Centralized Unit (CU) and a Distributed Unit (DU). Wherein a radio access network device may contain one CU and at least one DU, as shown in fig. 4. A CU is connected to at least one DU and may be used to manage or control the at least one DU. The structure can separate the protocol layer of the wireless access network device in the communication system, wherein part of the protocol layer function is realized in the CU, and the rest or all of the protocol layer function is realized in the DU, and the CU controls the DU in a centralized way. Taking radio access network equipment as an example of a gNB, a protocol layer of the gNB includes a Radio Resource Control (RRC) layer, a Service Data Adaptation Protocol (SDAP) layer, a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, a media access control sublayer (MAC) layer, and a physical layer. For example, the CU may be configured to implement the functions of the RRC layer, the SDAP layer, and the PDCP layer, and the DU may be configured to implement the functions of the RLC layer, the MAC layer, and the physical layer. The embodiment of the present application does not specifically limit the protocol stacks included in the CU and the DU. The CU and the DU may be connected using an F1 interface, the CU and other radio access network devices using an Xn interface, and the CU and the 5G Core network (5G Core, 5GC) using an NG interface, as shown in fig. 5.
For example, a CU in the embodiment of the present application may be further divided into a control plane (CU-CP) network element and at least one user plane (CU-user plane, CU-UP) network element. Wherein, the CU-CP can be used for control plane management, and the CU-UP can be used for user plane data transmission. The interface between the CU-CP and the CU-UP can be the E1 port. The interface between the CU-CP and the DU may be F1-C for transport of control plane signaling. The interface between CU-UP and DU may be F1-U for user plane data transmission. And the CU-UP can be connected through an Xn-U port to carry out user plane data transmission. For example, taking the gbb as an example, the structure of the gbb may be as shown in fig. 6.
The network element NEF may be configured to enable the 3GPP to securely provide network service Capability to an AF (e.g., a Service Capability Server (SCS), an Application Server (AS), etc.) of a third party. For example, in 5G, the network element may be an NEF, for example, as shown in fig. 2 and 3, and in a future communication system, for example, in 6G, the network element may still be an NEF element, or have another name, which is not limited in this application. When the network open function network element is a NEF, the NEF may provide an Nnef service to other network function network elements.
The policy control function network element PCF may be configured to take charge of policy control decisions, provide functions such as service data flow and application detection based, gating, QoS, and flow-based charging control. For example, in 5G, the policy control function network element may be a PCF (policy control function) network element, for example, as shown in fig. 2 and fig. 3, and in a future communication system, for example, as shown in 6G, the policy control function network element may still be a PCF network element or have another name, which is not limited in this application. When the policy control function network element is a PCF network element, the PCF network element may provide an Npcf service.
The application function network element AF mainly has a function of interacting with a 3rd generation partnership project (3 GPP) core network to provide services, so as to affect service flow routing, access network capability opening, policy control, and the like. For example, in 5G, the application function network element may be an AF network element, for example, as shown in fig. 2 and fig. 3, and in future communication, for example, in 6G, the application function network element may still be an AF network element, or have another name, which is not limited in this application. When the application function network element is an AF network element, the AF network element may provide a Naf service.
The access and management function network element AMF may be configured to manage access control and mobility of the terminal device, and in an actual application, the access and management function network element AMF includes a mobility management function in a Mobility Management Entity (MME) in a network frame in Long Term Evolution (LTE), and is added with the access management function, and may be specifically responsible for registration, mobility management, a tracking area update procedure, reachability detection, selection of a session management function network element, mobility state transition management, and the like of the terminal device. For example, in 5G, the access and mobility management function network element may be an AMF (access and mobility management function) network element, such as shown in fig. 2 and 3, and in future communication, such as 6G, the access and mobility management function network element may still be an AMF network element or have another name, which is not limited in this application. When the access and mobility management function network element is an AMF network element, the AMF may provide a Namf service.
The session management function network element SMF may be configured to be responsible for session management (including establishment, modification, and release of a session) of the terminal device, selection and reselection of a user plane function network element, Internet Protocol (IP) address allocation, quality of service (QoS) control, and the like of the terminal device. For example, in 5G, the session management function network element may be an SMF (session management function) network element, for example, as shown in fig. 2 and fig. 3, and in a future communication system, for example, in 6G, the session management function network element may still be an SMF network element or may have another name, which is not limited in this application. When the session management function network element is an SMF network element, the SMF may provide an Nsmf service.
The network element UDM with the unified data management function may be configured to manage subscription data of the terminal device, registration information related to the terminal device, and the like. For example, in 5G, the unified data management function network element may be a unified data management function (UDM) network element, for example, as shown in fig. 2, and in a future communication system, for example, in 6G, the unified data management function network element may still be a UDM network element or may have another name, which is not limited in this application. When the unified data management function network element is a UDM network element, the UDM network element may provide a numm service.
The gateway mobile location center GMLC is the first node of an external location program to access a public network or a public land network, perform a registration authorization check, request routing information from an HLR, and the like. For example, in 5G, the gateway mobile location center network element may be a Gateway Mobile Location Center (GMLC), for example, as shown in fig. 2, and in a future communication system, for example, as shown in 6G, the gateway mobile location center network element may still be a GLMC network element or have another name, which is not limited in this application.
The location management function network element LMF may be configured to determine a location of the UE, obtain a downlink location measurement or a location estimate from the UE, and the like. For example, in 5G, the location management function network element (LMF) is shown in fig. 2 and fig. 3, and in a future communication system, for example, in 6G, the location management function network element may still be an LMF network element or may have another name, which is not limited in this application.
The following describes embodiments of the present application in detail with reference to specific scenarios. Fig. 7 is an exemplary flowchart of a communication method provided by the embodiment of the present application, which is shown in a device interaction perspective, and may include the following steps:
step 701: a first network open function network element of a first network receives a location request message for requesting location information of a terminal device.
Wherein the terminal device is located in a first network. The location request message may be sent by the terminal device to the AMF. Alternatively, the location request message may be sent to an Application Function (AF) by a server of an Application (APP) installed on the terminal device when the APP wants to acquire location information of the terminal device, and then sent to the AMF by the AF. Alternatively, the location request message may also be sent by a third party server in the first network, for example, the location server in the first network may send to the first network open function network element. When the terminal device sends the location request message, the location request message may be sent through NAS signaling, or the terminal device, the AF, or the third-party server may also send the location request message through newly added signaling for sending the location request message. The AMF may send the location request message to the first network open function network element after receiving the location request message. The location request message may include an identifier of the terminal device in the first network, for example, the identifier may be a temporary identifier (sui), a unique identifier (SUPI), a globally unique UE temporary identifier (GUTI), a temporary identifier (gprs i), or the like.
In one embodiment, the first network open function network element may generate the first transaction number after receiving the location request message. The first transaction number may be used to identify a service request of the terminal device. The first transaction number may be generated for each service request of the terminal device, and the first transaction numbers of the service requests of different terminal devices are different. Alternatively, a first transaction number may be generated for each service request of each terminal device, where the first transaction numbers of different service requests of the same terminal device are different, and the first transaction numbers of different terminal devices are different. The first network open function network element may further maintain an association relationship between the first transaction number and the identifier of the terminal device in the first network. The first network open function network element may further send the association relationship between the first transaction number and the identifier of the terminal device in the first network to the AMF, so that the AMF stores the association relationship.
Step 702: the first network open function network element sends a first request message to a second network open function network element of a second network, and the second network open function receives the first request message sent by the first network open function.
The first request message may include an identifier of the first network, and the first request message may be used to request the second network to determine the location information of the terminal device. The first request message may also include a first transaction number. Illustratively, the first request message may include an identification of the first network and a first transaction number.
In an embodiment, the first network open function network element may further generate the first information of the terminal device. Wherein the first information may include at least one of a first identification and a first indication. The following may be included in the following three cases.
Case 1:
the first information includes at least one of a first identification and a first indication. For example, the first information may include the first identifier and the first indication, or the first information may include the first identifier, or the first information may include the first indication. Wherein the first identifier may be a common identifier for all terminal devices located in the first network. For example, the first flag may be a set value, such as all 0's or all 1's. The first indication may indicate that the terminal device identified by the first identity is a terminal device of a first network or the first indication may indicate that the terminal device is a terminal device of a non-second network. It should be understood that the first identity here is different from the aforementioned identity of the terminal device in the first network.
Case 2:
the first information includes at least one of a first identification and a first indication. For example, the first information may include the first identifier and the first indication, or the first information may include the first identifier, or the first information may include the first indication. Wherein the first identifier may identify a different terminal device but is different from the identifier of the terminal device in the first network. For example, each terminal device located in the first network may be assigned a different first identity. The first indication may indicate that the terminal device identified by the first identity is a terminal device of a first network or the first indication may indicate that the terminal device is a terminal device of a non-second network.
Case 3:
the first information includes at least one of a first identification and a first indication. For example, the first information may include the first identifier and the first indication, or the first information may include the first identifier, or the first information may include the first indication. The first identifier may identify a different terminal device, and is different from an identifier of the terminal device in the first network. For example, each terminal device that may be located in the first network may be assigned a different first identity. In addition, the first identifier may further include an identifier of the first network. In other words, it can be recognized that the terminal device is located in the first network through the first identifier. The first indication may indicate that the terminal device is a terminal device of a non-second network.
When the first network open function network element sends the first request message to the second network open function network element, the first information may also be carried in the first request message. Illustratively, the first request message may include therein an identification of the first network, a first transaction number and first information. The first network open function network element may further store an association relationship between the identifier of the first network, the first transaction number, the first information, and the identifier of the terminal device in the first network.
In another embodiment, the first information in case 1 to case 3 may be generated by the second network open function network element according to the first request message sent by the first network open function network element. Illustratively, the first request message may include an identification of the first network and a first transaction number.
In yet another embodiment, the second network open function network element may further generate a second transaction number according to the first request message. The second transaction number may be used to identify a service request of the first network. The second network open function network element may generate different second transaction numbers for different first networks, or may also generate different second transaction numbers for different service requests of the same first network. For example, a second transaction number may be generated for a location service request of a first terminal device of the same first network, and another second transaction number may be generated for a location service request of a second terminal device of the same first network. The second network open function network element may store an association relationship between the identifier of the first network and the second transaction number, or the second network open function network element may store an association relationship between the identifier of the first network and the first transaction number and the second transaction number.
For example, if the first request message sent by the first network openness function includes the identifier of the first network, the second network openness function network element may store an association relationship between the second transaction number and the identifier of the first network, or may store an association relationship between the second transaction number, the identifier of the first network, and the first information. If the first request message sent by the first network open function network element includes the identifier of the first network and the first transaction number, the second network open function network element may store the identifier of the first network, the association relationship between the first transaction number and the second transaction number, or may store the identifier of the first network, the association relationship between the first transaction number, the second transaction number and the first information.
The second network open function network element may further send the association relationship between the first transaction number, the second transaction number, the identifier of the first network, and the first information to the first network open function network element, so that the first network open function network element stores the association relationship. When receiving the association relationship, the first network open function network element may determine whether the identifier of the first network is a self identifier, and may also determine whether the identifier of the first network corresponds to the first transaction number, and may store the association relationship when determining that the identifier of the first network is a self identifier, and determining that the identifier of the first network corresponds to the first transaction number.
Step 703: and the second network open function network element receives the position information determined by the first position management function network element of the second network.
The first location management function network element may be determined in the following two ways, which are described separately below.
In a first way,
The first location management function network element may be selected by an access and mobility management function network element of the second network. As shown in fig. 8, the following steps may be included:
step 801: and after receiving the first request message sent by the first network open function network element, the second network open function network element sends at least one of the second transaction number and the first information, and the identifier of the first network to a gateway mobile location center network element of the second network.
The gateway mobile location center network element may determine that a location service needs to be provided for the first network according to at least one of the second transaction number and the first information. For example, the gateway mobile location center may determine that location services need to be provided for the first network based on the second transaction number, or the gateway mobile location center may determine that location services need to be provided for the first network based on the first information.
In an embodiment, the first information of case 1 to case 3 may also be generated by the gateway mobile location center network element according to the second transaction number. If the second network functional network element sends the second transaction number and the identifier of the first network to the gateway mobile location center, the gateway mobile location center network element may generate the first information according to the second transaction number and the identifier of the first network. The gateway mobile location center network element may store an association of the second transaction number, the identifier of the first network, and the first information.
Step 802: and the gateway mobile location center network element sends the identifier of the first network to the network element with the unified data management function.
After determining that the first network needs to be provided with service according to at least one of the second transaction number and the first information, the gateway mobile location center network element may perform authority authentication according to the identifier of the first network, and thus may send the identifier of the first network to the unified data management function network element.
Step 803: and the unified data management function network element checks the subscription data of the first network according to the identifier of the first network, and selects an access and mobile management function network element for the first network when determining that the first network has the right of acquiring the positioning service.
The unified data management function network element can select a default access and mobility management function network element. Or, the unified data management function network element may select, according to the identifier of the first network, an access and mobility management function network element that can provide a service for the first network.
Step 804: and the unified data management function network element sends the identifier or the address of the selected access and management function network element to the gateway mobile location center network element.
Step 805: and the gateway mobile location center network element sends at least one of the second transaction number and the first information to the access and management function network element.
The gateway mobile location center network element may send at least one of the second transaction number and the first information to the corresponding access and management function network element according to the identifier or the address of the access and management function network element fed back by the unified data management function network element.
Step 806: and the access and management functional network element selects the first location management functional network element according to at least one of the second transaction number and the first information.
If the first information is the above case 1, the access and management function network element selects the first location management function network element according to the second transaction number and the first information. If the first information is the above case 2 and case 3, the access and management function network element may select the first location management function network element according to at least one of the second transaction number and the first information.
In one embodiment, the access and management function network element may select a default first location management function network element, or the access and management function network element may select a first location management function network element that may provide a service for the first network according to at least one of the second transaction number and the first information.
Step 807: and the access and management function network element sends a third request message to the first location management function network element.
The third request message is used to request the first location management function network element to determine the location information of the terminal device. The third request message may include at least one of the second transaction number and the first information.
The second way,
The first location management function network element may be selected by a unified data management function network element of the second network. As shown in fig. 9, the following steps may be included:
step 901: and the second network open function network element sends the identifier of the first network to the unified data management function network element of the second network.
The second network open function network element may send the identifier of the first network to the unified data management function network element through the service interface.
Step 902: and the unified data management function network element checks the signing data of the first network according to the identifier of the first network, and selects the first position management function network element when determining that the first network has the positioning service acquisition right.
When selecting the first location management function network element, the unified data management function network element may select a default first location management function network element, or may select a first location management function network element that can provide a service for the first network according to the identifier of the first network.
Step 903: and the unified data management function network element sends the identifier or the address of the first position management function network element to the second network open function network element.
Step 904: and the second network open function network element sends a third request message to the first position management function network element.
The third request message is used to request the first location management function network element to determine the location information of the terminal device. The third request message may include at least one of the second transaction number and the first information. The second network open function network element may send the third request message to the first location management function network element according to the identifier or the address of the first location management function network element fed back by the unified data management function network element. The second network open function network element may send the third request message to the first location management function network element according to the servitization interface.
By the above first and second modes, the second network open function network element may send the third request message to the first location management function network element, and request the first location management function network element to determine the location information of the terminal device. After receiving the third request message, the first location management function network element may trigger a process of collecting data required for positioning. As shown in fig. 10, the flowchart for obtaining data required for positioning for the first location management function network element may include the following steps:
step 1001: and the first position management function network element sends a first position data collection request message to the access and management function network element.
The first location data collection request message may include data to be collected, and may further include at least one of a second transaction number and first information. The access and management functional unit may determine, according to at least one of the second transaction number and the first information, that the location data collection request message is required to be directed to the terminal device of the first network, instead of the terminal device managed by itself.
Step 1002: and the access and management function network element sends a second position data request message to the gateway mobile position center network element.
The second location data request message may include the same contents as those of the first location data collection request message. For example, the second location data request message may include data to be collected, and may further include at least one of the second transaction number and the first information.
Step 1003: and the gateway mobile location center network element sends a first data request message to the second network open function network element.
Here, the first data request message may include at least one of the second transaction number and the first information, and the first data request message may be used to acquire data required for positioning.
In this embodiment of the application, the first location management function network element may send the first data request message to the second network open function network element through the foregoing steps 1001 to 1003. In another embodiment, to save the construction and maintenance costs of the second network, the first data request message may also be sent to the second network open function network element through the following step 1004.
Step 1004: and the first position management function network element sends a first data request message to the second network open function network element.
The first location management function network element may send the first data request message to the second network open function network element through the service interface. The first data request message may include at least one of the second transaction number and the first information, and the first data request message is used to acquire data required for positioning.
Step 1005: and the second network open function network element sends a second data request message to the first network open function network element.
After receiving the first data request message, the second network open function network element may determine the identifier of the corresponding first network according to at least one of the second transaction number and the first information, and may send a second data request message to the first network open function network element of the corresponding first network. The second network open function network element may further search for an association relationship between the second transaction number and the first information and the first transaction number according to at least one of the second transaction number and the first information, and search for a corresponding first transaction number. The second data request message may include at least one of the first transaction number, the identification of the first network, the second transaction number, and the first information. For example, the second data request message may include the first transaction number, the second transaction number and the first information, or the second data request message may include the second transaction number and the identifier of the first network.
Step 1006: and the first network open function network element sends the second data request message to the access and management function network element of the first network.
After receiving the second data request message, the first network open function network element may determine whether the second data request message is valid according to at least one of the second transaction number, the first transaction number, the identifier of the first network, and the first information carried in the second data request message. The message valid here may mean that the message is correctly transmitted to the corresponding first network. For example, the second data request message carries an identifier of the first network, and the first network open function network element may determine whether the identifier of the first network is an identifier of itself, and may determine that the second data request message is valid when determining that the identifier of the first network is an identifier of itself. Or, the second data request message carries the identifier of the first network, the first transaction number, and the second transaction number, and the first network openfunction network element may determine whether the identifier of the first network is an identifier of itself, and may also determine whether the association between the identifier of the first network and the first transaction number is correct, and may store the second transaction number correspondingly when the identifier of the first network is an identifier of itself and the association between the identifier of the first network and the first transaction number is correct.
The first network open function network element may further determine, according to at least one of the first transaction number, the second transaction number, and the first information, an identifier of the terminal device in the first network. And sending the second data request message to an access and management function network element of the first network managing the terminal device. The identifier of the terminal device in the first network may also be carried in the second data request message.
Step 1007: and the access and management function network element of the first network collects data required by positioning.
The network element with access and management functions of the first network may collect data required for positioning according to the identifier of the terminal device in the first network.
Step 1008: and the network element with the access and management function of the first network sends the collected data required by positioning to the network element with the open function of the first network.
The network element with access and management function of the first network may carry the collected data required for positioning in a response message and send the response message to the network element with open function of the first network. The response message may also carry an identifier of the terminal device in the first network.
Step 1009: and the first network open function network element sends a second response message to the second network open function network element.
The second response message may carry the collected data required for positioning. Optionally, when sending the second response message, the first network open function may further determine, according to the response message, an identifier of the terminal device in the first network, and search, according to the identifier of the terminal device in the first network, a corresponding first transaction number and a corresponding second transaction number, and the like. And at least one of the identity of the first network, the first transaction number and the second transaction number is carried in a second response message.
Step 1010: and the second network open function network element sends a response message of the second position data request message to the gateway mobile position center network element.
The response message of the second location data request message may carry the collected data required for positioning, and may also carry at least one of the second transaction number and the first information.
Step 1011: and the gateway mobile location center network element sends a response message of the first location data request message to the access and mobile management function network element.
Here, the response message of the first location data request message may carry the collected data required for positioning, and may also carry at least one of the second transaction number and the first information.
Step 1012: and the access and mobility management function network element sends a first response message to the first location management function network element.
The first response message may carry data required for positioning, and may also carry at least one of the second transaction number and the first information.
In this embodiment, the second network open function network element may send a first response message of the first location data request message to the first location management function network element through the above steps 1010 to 1012. In another embodiment, the second network open function network element may further send a first response message of the first location data request message to the first location management function network element by following step 1013.
Step 1013: and the second network open function network element sends a first response message to the first position management function network element.
The second network open function network element may send the first response message to the first location management function network element through the service interface. The first response message may carry data required for positioning, and may also carry at least one of the second transaction number and the first information.
Through the above process, the first location management function obtains the data required for positioning, so that the first location management function network element can calculate the location information of the terminal device according to the collected data required for positioning. The location information may include information such as the location of the terminal device and the calculation accuracy. How the first location management function network element sends the location information of the terminal device to the second network open function network element is described below with reference to fig. 11.
As shown in fig. 11, the following steps may be included:
step 1101: and the first location management function network element sends the location information of the terminal equipment to the access and management function network element.
The position information here may include information of the position of the terminal device, calculation accuracy, and the like. The first location management function network element may further send at least one of the second transaction number and the first information to the access and management function network element. It should be understood that at least one of the second transaction number and the first information may be transmitted simultaneously with the location information of the terminal device or may be transmitted separately.
Step 1102: and the access and management function network element sends the position information of the terminal equipment to a gateway mobile position center network element.
The access and management function network element may further send at least one of the first information and the second transaction number to the gateway mobile location center network element.
Step 1103: and the gateway mobile position center network element sends the position information of the terminal equipment to the second network open function network element.
The position information of the terminal device here may include information such as the position and calculation accuracy of the terminal device. The gateway mobile location center network element may further send at least one of the second transaction number and the first information to the second network open function network element.
In this embodiment of the application, the first location management function network element may send the location information of the terminal device to the second network open function network element through the above-mentioned steps 1101 to 1103. In another embodiment, the first location management function network element may send the location information of the terminal device to the second network open function network element by the following step 1104.
Step 1104: and the first position management function network element sends the position information of the terminal equipment to the second network open function network element.
The first location management function network element may send the location information of the terminal device to the second network open function network element through the service interface. The first location management function network element may further send at least one of the second transaction number and the first information to the second network open function network element.
Through the above step 1101-step 1103 or step 1104, the second network open function network element may receive the location information of the terminal device, which is sent by the first location management function network element.
Step 704: and the second network open function network element sends the position information to the first network open function network element, and the first network open function network element receives the position information of the terminal equipment sent by the second network open function network element.
The position information of the terminal device here may include information such as the position and calculation accuracy of the terminal device. The second network open function network element may determine the identifier of the corresponding first network according to at least one of the second transaction number and the first information. For example, the second network open function network element may search for the association relationship according to the second transaction number, and determine the identifier of the first network corresponding to the second transaction number. The second network open function network element may also determine the corresponding first transaction number according to the second transaction number. The second network open function network element may further send at least one of the first transaction number, the second transaction number, the identifier of the first network, and the first information to the first network open function network element.
Step 705: and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
If the location request message is sent by the terminal device, the first network open function network element may send the location request response to the access and management function network element of the first network managing the terminal device. If the location request message is sent by the AF, the first network open function network element may send a location request response to the AF.
In one embodiment, if the second network open function network element further sends at least one of the first transaction number, the second transaction number, the identification of the first network, and the first information, the first network open function network element may determine whether the location request response is valid. For example, the second network open function network element further sends the first transaction number and the identifier of the first network, and the first network open function network element may determine whether the identifier of the first network is the identifier of itself, may also determine whether the correspondence between the identifier of the first network and the first transaction number is correct, and may carry the location information in the location request response and send the location request response when determining that the identifier of the first network is the identifier of itself and determining that the correspondence between the identifier of the first network and the first transaction number is correct.
Hereinafter, a communication method provided in an embodiment of the present application is described with specific embodiments.
Example one
As shown in fig. 12, it is an exemplary flowchart of a communication method when a terminal device initiates a positioning request, and may include the following steps:
step 1201: if the terminal equipment is in a connection idle state, the terminal equipment needs to establish signaling connection between the terminal equipment and the access and management function network element.
If the terminal device has established a signaling connection with the access and management function network element, the terminal device may perform step 902. The terminal device is located in a first network, the first network provides communication service for the terminal device, and the access and management function network element is a network element in the first network.
Step 1202: the terminal equipment sends a position request message to the access and management function network element.
Step 1203: and the access and management function network element sends the position request message to the first network open function network element.
The network element with the access and management function may obtain an identifier of the terminal device in the first network, and send the identifier of the terminal device in the first network to the network element with the first network open function.
Step 1204: and the first open function network element generates a first transaction number according to the position request message.
The first transaction number is used to identify a service request of the terminal device, and the detailed description may refer to the related description in the embodiment of the method shown in fig. 7, which is not described herein again.
Step 1205: the first open function network element sends a first request message to the second open function network element.
The first request message may include an identifier of the first network, and the first request message may be used to request the second network to determine the location information of the terminal device. The first request message may also include a first transaction number.
Step 1206: and the second open function network element generates a second transaction number according to the first request message.
The second transaction number may be used to identify a service request of the first network, and the detailed description may refer to the related description in the embodiment of the method shown in fig. 7, which is not described herein again.
Step 1207: and the second open function network element sends at least one of the second transaction number and the first information and the identifier of the first network to the gateway mobile location center.
The first information is used to identify the terminal device, but the first information is different from the identification of the terminal device in the first network. The first information may include at least one of the first identifier and the first indication, and the detailed description may refer to the related description in the method embodiment shown in fig. 7, which is not described herein again.
Step 1208: and the gateway mobile location center sends the identification of the first network to the network element with the unified data management function.
Since the gateway mobile location center network element determines that the first network needs to be provided with service according to at least one of the second transaction number and the first information, the gateway mobile location center network element can perform authority authentication according to the identifier of the first network, and thus can send the identifier of the first network to the network element with the unified data management function.
Step 1209: and the unified data management function network element checks the subscription data of the first network according to the identifier of the first network, and selects an access and mobile management function network element for the first network when determining that the first network has the right of acquiring the positioning service.
The unified data management function network element can perform authority authentication according to the identifier of the first network, and select an access and management function network element for the first network. Wherein a default access and mobility management function network element may be selected. Alternatively, an access and mobility management function network element may be selected that may provide services for the first network.
Step 1210: and the unified data management function network element sends the identifier or the address of the selected access and management function network element to the gateway mobile location center network element.
Step 1211: and the gateway mobile location center network element sends at least one of the second transaction number and the first information to the access and management function network element.
The gateway mobile location center network element may send at least one of the second transaction number and the first information to the corresponding access and management function network element according to the identifier or the address of the access and management function network element fed back by the unified data management function network element.
Step 1212: and the access and management functional network element selects the first location management functional network element according to at least one of the second transaction number and the first information.
The access and management functional network element may select a default first location management functional network element, or the access and management functional network element may select a first location management functional network element that can provide a service for the first network according to at least one of the second transaction number and the first information.
Step 1213: and the access and management function network element sends a third request message to the first location management function network element.
Step 214: the first location management function network element collects data required for positioning and determines location information of the terminal device.
The position information of the terminal device may include information such as a position and calculation accuracy of the terminal device. The first location management function network element may obtain data required for positioning through the procedure shown in fig. 10.
Step 1215: and the first location management function network element sends the location information of the terminal equipment to the access and management function network element.
Optionally, the first location management function network element may carry the location information of the terminal device in a third response message of the third request message. Alternatively, the first location management function network element may assign at least one of the second transaction number and the first information to the access and management function queen aromatic.
Step 1216: and the access and management function network element sends the position information of the terminal equipment to a gateway mobile position center network element.
The access and management function network element may further send at least one of the first information and the second transaction number to the gateway mobile location center network element.
Step 1217: and the gateway mobile position center network element sends the position information of the terminal equipment to the second network open function network element.
The position information of the terminal device here may include information such as the position and calculation accuracy of the terminal device. The gateway mobile location center network element may further send at least one of the second transaction number and the first information to the second network open function network element.
Step 1218: and the second network open function network element sends the position information to the first network open function network element.
The second network open function network element may determine the identifier of the corresponding first network according to at least one of the second transaction number and the first information, and send the location information to the first network open function network element. Optionally, the second network function openness function network element may further send at least one of the second transaction number, the first transaction number, the identifier of the first network, and the first information to the first network openness function network element.
Step 1219: and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
Optionally, the first network open function network element may further determine the identifier of the terminal device in the first network according to at least one of the second transaction number, the first transaction number, the identifier of the first network, and the first information. The first network open function network element may send the location information to the access and management function network element. The first network open function network element may further send the identifier of the terminal device in the first network to the access and management function network element.
Step 1220: the access and management function network element may send the location information to the corresponding terminal device.
The access and management function network element may send the location information to the corresponding terminal device according to the identifier of the terminal device in the first network.
Example two
As shown in fig. 13, an exemplary flowchart of a communication method for initiating a location service request for an application layer functional network element may include the following steps:
step 1301: and the application layer functional network element sends a position request message to the first network open function network element.
The location request message is used for requesting location information of a terminal device, and the terminal device is located in a first network. The location request message may include an identification of the terminal device in the first network.
Step 1302-step 1316 in embodiment two may be the same as step 1204-step 1218 shown in fig. 12. And will not be repeated here.
Step 1317: and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
The first network open function network element may send the location request response to the application layer function network element. Optionally, the location request response may further include an identifier of the terminal device in the first network.
EXAMPLE III
As shown in fig. 14, an exemplary flowchart of a communication method for initiating a location service request for a terminal device may include the following steps:
in the third embodiment, steps 1401 to 1406 may be the same as steps 1201 to 1206 shown in fig. 12, and the description is not repeated here.
Step 1407: and the second network open function network element sends the identifier of the first network to the unified data management function network element.
Step 1408: and the unified data management function network element checks the signing data of the first network according to the identifier of the first network, and selects the first position management function network element when determining that the first network has the positioning service acquisition right.
The unified data management function network element may select a default first location management function network element, or may select a first location management function network element capable of providing a service for the first network according to the identifier of the first network.
Step 1409: and the unified data management function network element sends the identifier or the address of the first position management function network element to the second network open function network element.
Step 1410: and the second network open function network element sends a third request message to the first position management function network element.
The third request message is used to request the first location management function network element to determine the location information of the terminal device. The third request message may include at least one of the second transaction number and the first information. The second network open function network element may send the third request message to the first location management function network element according to the identifier or the address of the first location management function network element fed back by the unified data management function network element. The second network open function network element may send the third request message to the first location management function network element according to the servitization interface.
Step 1411: the first location management function network element collects data required for positioning and determines location information of the terminal device.
The position information of the terminal device may include information such as a position and calculation accuracy of the terminal device. The first location management function network element may obtain data required for positioning through the procedure shown in fig. 10.
Step 1412: and the first position management function network element sends the position information of the terminal equipment to the second network open function network element.
The first location management function network element may send the location information of the terminal device to the second network open function network element through the service interface.
Step 1413: and the second network open function network element sends the position information to the first network open function network element.
The second network open function network element may determine the identifier of the corresponding first network according to at least one of the second transaction number and the first information, and send the location information to the first network open function network element. Optionally, the second network function openness function network element may further send at least one of the second transaction number, the first transaction number, the identifier of the first network, and the first information to the first network openness function network element.
Step 1414: and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
Optionally, the first network open function network element may further determine the identifier of the terminal device in the first network according to at least one of the second transaction number, the first transaction number, the identifier of the first network, and the first information. The first network open function network element may send the location information to the access and management function network element. The first network open function network element may further send the identifier of the terminal device in the first network to the access and management function network element.
Step 1415: the access and management function network element may send the location information to the corresponding terminal device.
The access and management function network element may send the location information to the corresponding terminal device according to the identifier of the terminal device in the first network.
Example four
As shown in fig. 15, an exemplary flowchart of a communication method for initiating a location service request for an application layer functional network element may include the following steps:
step 1501: and the application layer functional network element sends a position request message to the first network open function network element.
The location request message is used for requesting location information of a terminal device, and the terminal device is located in a first network. The location request message may include an identification of the terminal device in the first network.
Step 1502: and the first open function network element generates a first transaction number according to the position request message.
The first transaction number is used to identify a service request of the terminal device, and the detailed description may refer to the related description in the embodiment of the method shown in fig. 7, which is not described herein again.
Step 1503: the first open function network element sends a first request message to the second open function network element.
The first request message may include an identifier of the first network, and the first request message may be used to request the second network to determine the location information of the terminal device. The first request message may also include a first transaction number.
The second transaction number may be used to identify a service request of the first network, and the detailed description may refer to the related description in the embodiment of the method shown in fig. 7, which is not described herein again.
Step 1504: and the second open function network element generates a second transaction number according to the first request message.
Step 1505-step 1511 in the fourth embodiment can be the same as step 1407-step 1413 shown in FIG. 14, and will not be described herein again.
Step 1512: and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
The first network open function network element may send the location request response to the application layer function network element. Optionally, the location request response may further include an identifier of the terminal device in the first network.
Similar to the above concept, as shown in fig. 16, an embodiment of the present application further provides a communication apparatus, which can implement the communication method described above. The apparatus 1600 may include a communication unit 1601 and a processing unit 1602. Optionally, a storage unit 1603 is further included. The apparatus 1600 may implement the function of the first network open function network element in the communication method described above. The processing unit 1602 may be connected to a storage unit 1603 and a communication unit 1601, respectively, which storage unit 1603 may also be connected to the communication unit 1601.
The storage unit 1603 is used for storing computer programs;
for example, the communication unit 1601 may receive a location request message for requesting location information of a terminal device. The description of the terminal device and the location request message may refer to the related description in the embodiment of the method shown in fig. 7.
The communication unit 1601 may further send a first request message to a second network open function network element of the second network, and receive the location information of the terminal device sent by the second network open function network element. For the description of the first request message, the location information of the terminal device, and the like, reference may be made to the related description in the embodiment of the method shown in fig. 7.
The communication unit 1601 may further carry the location information of the terminal device in a location request response corresponding to the location request message, and send the location request response. The description of the location request response and the like may refer to the related description in the embodiment of the method shown in fig. 7.
In a possible implementation manner, the processing unit 1602, after receiving the location request message, is configured to generate a first transaction number according to the location request message. The description of the first transaction number may refer to the related description in the embodiment of the method shown in fig. 7, and repeated descriptions are omitted. When sending the first request message to the second network open function network element, the communication unit 1601 may send, to the second network open function network element, a first request message carrying the identifier of the first network and the first transaction number.
In a possible implementation manner, the communication unit 1601, when sending the location request response, is specifically configured to: receiving a first response message of the first request message from the second network open function network element. The description of the first response message may refer to the related description in the embodiment of the method shown in fig. 7. The processing unit 1602 may determine the identity of the terminal device in the first network according to at least one of the identity of the first network, the first transaction number, the second transaction number, and the first information. The description of the second transaction number and the first information may refer to the related description in the embodiment of the method shown in fig. 7, and repeated descriptions are omitted.
In a possible implementation manner, the communication unit 1601 may further receive a second data request message sent by a second network open function network element of a second network after sending the first request message to the second network open function network element. The description of the second data request message may refer to the related description in the embodiment of the method shown in fig. 7. The communication unit 1601 may send a second response message to the second network open function network element. The description of the second response message may refer to the related description in the embodiment of the method shown in fig. 7.
In a possible implementation manner, the storing unit 1603 is configured to store an association relationship between at least two of the identifier of the first network, the first transaction number, the identifier of the terminal device in the first network, the first information, and the second transaction number.
For the above description of the multiple network elements, reference may be made to the related description in the method embodiment shown in fig. 7, which is not described herein again.
The apparatus 1600 may also be a chip, where the communication unit may be an input/output circuit or an interface of the chip, the processing unit may be a logic circuit, and the logic circuit may process the data to be processed according to the steps described in the above method aspect, and acquire the processed data.
Similar to the above concept, as shown in fig. 17, an embodiment of the present application further provides a communication apparatus, which can implement the communication method described above. The apparatus 1730 may include a communication unit 1731 and a processing unit 1732. Optionally, a storage unit 1733 is further included. The apparatus 1730 may implement the function of the first network open function network element in the communication method described above. The processing unit 1732 may be connected to the storage unit 1733 and the communication unit 1731, respectively, and the storage unit 1733 may also be connected to the communication unit 1731.
The storage unit 1733, which is used to store a computer program;
for example, the communication unit 1731 receives a first request message sent by a first network open function network element of a first network. The description of the first request message may refer to the related description in the embodiment of the method shown in fig. 7. The communication unit 1731 may further receive the location information determined by the first location management function network element of the second network, and send the location information to the first network open function network element. For the description of the location information of the terminal device, reference may be made to the related description in the above method embodiment.
In one possible implementation, the processing unit 1732 may generate the second transaction number according to the first transaction number and the identifier of the first network. The description of the first transaction number, the second transaction number and the identification of the first network may refer to the relevant description in the embodiment of the method shown in fig. 7.
In a possible implementation manner, the communication unit 1731 may send at least one of the second transaction number and the first information and the identifier of the first network to a gateway mobile location center network element of the second network after receiving the first request message sent by the first network open function network element of the first network, so that the gateway mobile location center network element sends a third request message to the first location management function network element of the second network through the access and mobility management function network element of the second network. The description of the third request message may refer to the related description in the embodiment of the method shown in fig. 7.
In a possible implementation manner, the communication unit 1731 sends a third request message to the first location management function network element of the second network after receiving the first request message sent by the first network open function network element of the first network. The description of the third request message may refer to the related description in the embodiment of the method shown in fig. 7.
In one possible implementation, the communication unit 1731 receives the first data request message. The processing unit 1732 is configured to determine an identity of the first network based on at least one of the second transaction number and the first information. The communication unit 1731 is configured to send a second data request message to the first network open function network element. The description of the first data request message and the second data request message may refer to the related description in the method embodiment shown in fig. 7, and is not repeated here.
In a possible implementation manner, the processing unit 1732 is configured to find an identifier of a corresponding first network according to the second transaction number. The communication unit 1731, when sending the location information to the first network open function network element, sends the location information to the first network open function network element of the first network.
For the above description of the multiple network elements, reference may be made to the related description in the method embodiment shown in fig. 7, which is not described herein again.
The device 1730 may also be a chip, where the communication unit may be an input/output circuit or an interface of the chip, the processing unit may be a logic circuit, and the logic circuit may process the data to be processed according to the steps described in the method aspect, and obtain the processed data.
The embodiment of the application also provides a communication device, which is the same as the conception. Fig. 18 is a schematic structural diagram of an apparatus provided in an embodiment of the present application. The apparatus 1800 includes at least one processor 1820 for implementing functions in the methods provided by the embodiments of the application. Apparatus 1800 may also include a communications interface 1810. In embodiments of the present application, the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface for communicating with other devices over a transmission medium. For example, communication interface 1810 may enable devices in apparatus 1800 to communicate with other devices. The processor 1820 may perform the functions of the processing unit 1602 as shown in fig. 16 or may perform the functions of the processing unit 1702 as shown in fig. 17, and the communication interface 1810 may perform the functions of the communication unit 1601 as shown in fig. 16 or may perform the functions of the communication unit 1701 as shown in fig. 17.
The communications apparatus 1800 can also include at least one memory 1830 for storing program instructions and/or data. The memory 1830 is coupled to the processor 1820. The coupling in the embodiments of the present application is an indirect coupling or a communication connection between devices, units or modules, and may be an electrical, mechanical or other form for information interaction between the devices, units or modules. The processor 1820 may operate in conjunction with a memory 1830. The processor 1820 may execute program instructions stored in the memory 1830. At least one of the at least one memory may be included in the processor.
The present embodiment does not limit the specific connection medium among the communication interface 1810, the processor 1820 and the memory 1830. In fig. 18, the memory 1830, the processor 1820, and the communication interface 1810 are connected through a bus 1840, which is represented by a thick line in fig. 18, and the connection manner among other components is only schematically illustrated and is not limited. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 18, but this does not mean only one bus or one type of bus.
The above-mentioned device may execute the communication method described in the embodiment of the present application, and for concrete implementation and technical effects, reference is made to the foregoing description, which is not repeated herein.
As another form of the present embodiment, there is provided a computer readable storage medium having stored thereon instructions that, when executed, perform the method described in the above method embodiment.
As another form of the present embodiment, there is provided a computer program product containing instructions that, when executed, perform the method described in the method embodiments above.
As another form of the present embodiment, there is provided a communication system that may include a communication apparatus shown in fig. 16, such as the communication apparatus shown in fig. 17.
It should be understood that the Processor mentioned in the embodiments of the present invention may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It will also be appreciated that the memory referred to in this embodiment of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM).
It should be noted that when the processor is a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, the memory (memory module) is integrated in the processor.
It should be noted that the memory described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (31)

1. A method of communication, comprising:
a first network open function network element of a first network receives a position request message for requesting position information of terminal equipment; the terminal equipment is positioned in the first network;
the first network open function network element sends a first request message to a second network open function network element of a second network; the first request message contains an identification of the first network; the first request message is used for requesting the second network to determine the position information of the terminal equipment;
the first network open function network element receives the position information of the terminal equipment sent by the second network open function network element;
and the first network open function network element carries the position information of the terminal equipment in a position request response corresponding to the position request message and sends the position request response.
2. The method of claim 1, wherein after receiving the location request message, the first network open function network element further comprises:
the first network open function network element generates a first transaction number according to the position request message; the first transaction number is used for identifying a service request of the terminal equipment;
the sending, by the first network open function network element, the first request message to the second network open function network element includes:
and the first network open function network element sends a first request message carrying the identifier of the first network and the first transaction number to the second network open function network element.
3. The method according to claim 1 or 2, wherein the first request message further comprises first information; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network.
4. The method according to claim 3, wherein the first information is a setting value; or the first information of different terminal devices is different; or, the first information includes an identifier of the first network, and the first information of different terminal devices is different.
5. The method according to any one of claims 1 to 4, wherein the step of the first network open function network element carrying the location information of the terminal device in the location request response of the location request message and sending the location request response comprises:
the first network open function network element receives a first response message of the first request message from the second network open function network element; the first response message contains the position information;
the first network open function network element determines the identifier of the terminal equipment in the first network according to at least one of the identifier of the first network, the first transaction number, the second transaction number and the first information; the first transaction number is used for identifying a service request of the terminal equipment; the second transaction number is used to identify a service request of the first network; the first information is used for identifying the terminal equipment, and the first information is different from the identification of the terminal equipment in the first network;
the first network open function network element sends the position request response according to the identifier of the terminal equipment in the first network; the location request response includes the location information.
6. The method according to any of claims 1 to 5, wherein after the first network open function network element sends the first request message to the second network open function network element of the second network, the method further comprises:
the first network open function network element receives a second data request message sent by the second network open function network element, wherein the second data request message comprises at least one of a first transaction number, an identifier of the first network, a second transaction number and first information; the second data request message is used for requesting to acquire data required by positioning, and the first transaction number is used for identifying a service request of the terminal equipment; the second transaction number is used to identify a service request of the first network; the first information is used for identifying the terminal equipment, and the first information is different from the identification of the terminal equipment in the first network;
the first network open function network element sends a second response message to the second network open function network element; the second response message includes data required for the positioning.
7. The method of claim 5 or 6, further comprising:
the first network open function network element stores an association relationship between at least two of the identifier of the first network, the first transaction number, the identifier of the terminal device in the first network, the first information, and the second transaction number.
8. A method of communication, comprising:
a second network open function network element of a second network receives a first request message from a first network open function network element of a first network; the first request message contains an identification of the first network; the first request message is used for requesting the second network to determine the position information of the terminal equipment; the terminal equipment is positioned in the first network;
the second network open function network element receives the position information determined by the first position management function network element of the second network;
and the second network open function network element sends the position information to the first network open function network element.
9. The method of claim 8, wherein the first request message further includes a first transaction number; the first transaction number is used for identifying a service request of the terminal equipment;
the second network open function network element generates a second transaction number according to the first transaction number and the identifier of the first network; the second transaction number is used to identify a service request of the first network.
10. The method of claim 9, wherein after the second network open function network element of the second network receives the first request message sent by the first network open function network element of the first network, the method further comprises:
the second network open function network element sends at least one of the second transaction number and the first information and the identifier of the first network to a gateway mobile location center network element of the second network, so that the gateway mobile location center network element sends a third request message to a first location management function network element of the second network through an access and mobile management function network element of the second network; the third request message is used for requesting the first location management function network element to determine the location information of the terminal device; the first location management function network element is selected by the access and mobility management function network element according to at least one of the second transaction number and the first information; the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network.
11. The method of claim 9, further comprising:
the second network open function network element receives the identifier or the address of the first position management function network element of the second network from the unified data management function network element of the second network;
the second network open function network element determines the first location management function network element according to the identifier or the address;
after the second network open function network element receives the first request message sent by the first network open function network element of the first network, the method further includes:
the second network open function network element sends a third request message to the first location management function network element; the third request message is used for requesting the first location management function network element to determine the location information of the terminal device.
12. The method of claim 11, wherein the first location management function network element is selected when the unified data management function network element of the second network determines that the first network has the authority to obtain location services by looking up the subscription data of the first network according to the identifier of the first network.
13. The method of claim 10, wherein the first information is received from the first network open function network element; or, the first information is generated by the second network open function network element according to the identifier of the first network.
14. A method according to any of claims 10-13, wherein when said first information is a setting value, said first location management function network element is determined based on said second transaction number and said first information; or
When the first information of different terminal devices is different, the first location management function network element is determined according to at least one of the second transaction number and the first information; or
The first information includes an identifier of the first network to which the terminal device belongs, and when the first information of different terminal devices is different, the first location management function network element is determined according to at least one of the second transaction number and the first information.
15. The method according to any of claims 10-14, wherein before the second network open function network element receives the location information of the terminal device, further comprising:
the second network open function network element receives a first data request message, the first data request message includes at least one of the second transaction number and the first information, and the first data request message is used for acquiring data required by positioning;
the second network open function network element determines the identifier of the first network according to at least one of the second transaction number and the first information, and sends a second data request message to the first network open function network element; the second data request message includes at least one of the first transaction number, an identification of the first network, the second transaction number, and the first information.
16. The method as claimed in any one of claims 11 to 15, wherein the step of the second network open function network element sending the location information to the first network open function network element comprises:
the second network open function network element searches the corresponding identifier of the first network according to the second transaction number;
and the second network open function network element sends the position information to the first network open function network element.
17. A method of communication, comprising:
a unified data management function network element receives an identifier of a first network; the unified data management function network element is positioned in a second network;
the unified data management function network element checks the subscription data of the first network according to the identifier of the first network; when the unified data management function network element determines that the first network has the positioning service acquisition right, selecting an access and mobility management function network element for the first network; the access and mobility management function network element is used for requesting the position information of the terminal equipment in the first network from a first position management function network element; the first location management function network element is configured to determine location information of the terminal device; the access and mobility management function network element and the first location management function network element are located in a second network; alternatively, the first and second electrodes may be,
the unified data management function network element checks the subscription data of the first network according to the identifier of the first network; when the unified data management function network element determines that the first network has the positioning service right, selecting a first position management function network element for the first network; the first location management function network element is configured to determine location information of a terminal device in the first network; the first location management function network element is located in a second network.
18. A method of communication, comprising:
a first network open function network element receives a position request message for requesting position information of terminal equipment, wherein the terminal equipment and the first network open function network element are positioned in a first network;
the first network open function network element sends a first request message to a second network open function network element; the first request message contains an identification of the first network; the first request message is used for requesting a second network to determine the position information of the terminal equipment;
a network element in the second network determines a first location management function network element in the second network, which is used for determining the location information of the terminal equipment;
the first location management function network element determines the location information of the terminal equipment;
the first location management function network element sends the location information of the terminal equipment to the second network open function network element;
and the second network open function network element sends the position information to the first network open function network element.
19. The method of claim 18, wherein:
after the first network open function network element receives the location request message, the method further includes:
the first network open function network element generates a first transaction number according to the position request message; the first transaction number is used for identifying a service request of the terminal equipment; the first request message contains the first transaction number;
after receiving the first request message, the second network open function network element further includes:
the second network open function network element generates a second transaction number according to the first transaction number and the identifier of the first network; the second transaction number is used to identify a service request of the first network.
20. The method according to claim 18 or 19, wherein the first request message further includes first information, and the first information is used for identifying the terminal device, and the first information is different from the identification of the terminal device in the first network.
21. The method according to claim 19 or 20, characterized in that:
after receiving the first request message, the second network open function network element further includes:
the second network open function network element sends at least one of the second transaction number and first information and an identifier of the first network to the gateway mobile location center network element, where the first information is used to identify the terminal device, and the first information is different from the identifier of the terminal device in the first network; the gateway mobile location center is located in the second network;
the gateway mobile location center network element sends at least one of the second transaction number and the first information to the access and mobile management function network element; the access and mobility management function network element is located in the second network; the determining, by a network element in the second network, a first location management function network element in the second network, where the first location management function network element is used to determine location information of the terminal device, includes:
the access and mobility management function network element selects the first location management function network element in the second network according to at least one of the second transaction number and the first information;
after receiving at least one of the second transaction number and the first information, the access and mobility management function network element further includes:
the access and management function network element generates a third request message, where the third request message is used to request the first location management function network element to determine the location information of the terminal device;
and the access and mobility management function network element sends the third request message to the first location management function network element.
22. The method of claim 21, wherein:
after the second network open function network element sends at least one of the second transaction number and the first information to the gateway mobile location center network element, and the identifier of the first network, the method further includes:
the gateway mobile location center sends the identifier of the first network to the network element with the unified data management function; the unified data management function network element is positioned in the second network;
the unified data management function network element checks the subscription data of the first network according to the identifier of the first network, selects the access and mobility management function network element for the first network when determining that the first network has the positioning service right, and sends the identifier or the address of the selected access and mobility management function network element to the gateway mobile location center network element;
the gateway mobile location center network element sending a second transaction number to the access and mobility management function network element, including:
and the gateway mobile location center network element determines the access and mobile management function network element according to the identifier or the address, and sends the second transaction number to the access and mobile management function network element.
23. The method of claim 18, 19 or 20, wherein:
after receiving the first request message, the second network open function network element further includes:
the second network open function network element sends the identifier of the first network to a unified data management function network element;
the determining, by a network element in the second network, a first location management function network element in the second network, where the first location management function network element is used to determine location information of the terminal device, includes:
the unified data management function network element checks the signing data of the first network according to the identifier of the first network, and selects the first location management function network element for the first network when determining that the first network has the positioning service right;
the unified data management function network element sends the selected identifier or address of the first location management function network element to the second network open function network element;
the second network open function network element sends a third request message to the first location management function network element; the third request message is used for requesting the first location management function network element to determine the location information of the terminal device.
24. The method according to claim 20, 21 or 22, wherein the first information is received from the first network open function network element; or, the first information is generated by the second network open function network element according to the identifier of the first network.
25. The method of claim 20, 21, 22 or 24, wherein:
when the first information is a set value, the first location management function network element is determined according to the second transaction number and the first information; or
When the first information of different terminal devices is different, the first location management function network element is determined according to at least one of the second transaction number and the first information; or
The first information includes an identifier of the first network to which the terminal device belongs, and when the first information of different terminal devices is different, the first location management function network element is determined according to at least one of the second transaction number and the first information.
26. The method of any one of claims 19-25, wherein:
before the first location management function network element determines the location information of the terminal device, the method further includes:
the first location management function network element sends a first data request message to the second network open function network element, where the first data request message includes at least one of the second transaction number and the first information, and the first data request message is used to acquire data required for positioning;
the second network open function network element determines the identifier of the first network according to at least one of the second transaction number and the first information;
the second network open function network element sends a second data request message to the first network open function network element; the second data request message contains at least one of the first transaction number, an identification of the first network, the second transaction number, and first information; the second data request message is used for requesting to acquire data required by positioning; the first information is used for identifying the terminal equipment, and the first information is different from the identification of the terminal equipment in the first network;
the first network open function network element collects the data required by the positioning according to the second data request message;
the first network open function network element sends a second response message to the second network open function network element; the second response message contains the collected data required for the positioning;
the second network open function network element sends the data required by the positioning to the first position management function network element;
the determining, by the first location management function network element, the location information includes:
and the first location management function network element determines the location information according to the data required by the positioning.
27. The method of any one of claims 19-25, wherein: the step of sending the location information to the first network open function network element by the second network open function network element includes:
the second network open function network element searches the corresponding identifier of the first network according to the second transaction number;
the second network open function network element sends a first response message to the first network open function network element; the first response message contains the position information;
the first network open function network element determines the identifier of the terminal equipment in the first network according to at least one of the first transaction number, the second transaction number and the first information;
and the first network open function network element sends a position request response according to the identifier of the terminal equipment in the first network, wherein the position request response comprises the position information.
28. The method of any of claims 1-27, wherein the first network is a non-public network and the second network is a public network or a public land mobile network.
29. A communication apparatus for performing the method of any one of claims 1-7 or the method of any one of claims 8-16 or the method of claim 17 or the method of any one of claims 18-28.
30. A communications apparatus, comprising a processor and a memory, the memory storing a computer program or instructions;
the processor, configured to execute a computer program or instructions in a memory, to cause the method of any one of claims 1-7 to be performed or to cause the method of any one of claims 8-16 to be performed or to cause the method of claim 17 to be performed or to cause the method of any one of claims 18-28 to be performed.
31. A computer-readable storage medium storing computer-executable instructions that, when invoked by a computer, cause the computer to perform the method of any of claims 1-7 or the method of any of claims 8-16 or the method of claim 17 or the method of any of claims 18-28.
CN202010873754.3A 2020-08-26 2020-08-26 Communication method and device Pending CN114125878A (en)

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CN110881184B (en) * 2018-09-05 2021-05-18 华为技术有限公司 Communication method and device
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