CN112351393B - Method, equipment and device for transmitting positioning auxiliary information - Google Patents
Method, equipment and device for transmitting positioning auxiliary information Download PDFInfo
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- CN112351393B CN112351393B CN201910734506.8A CN201910734506A CN112351393B CN 112351393 B CN112351393 B CN 112351393B CN 201910734506 A CN201910734506 A CN 201910734506A CN 112351393 B CN112351393 B CN 112351393B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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- 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
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
Abstract
The application discloses a method, equipment and a device for transmitting positioning auxiliary information, wherein the method comprises the following steps: if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message; and sending a special signaling to the network equipment for requesting to acquire the positioning auxiliary information. The method and the device are used for solving the technical problem that in the prior art, the terminal device cannot determine whether the base station side can provide the required positioning auxiliary information or not under some use scenes, so that the terminal device cannot realize the quick positioning based on the mobile communication network.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, a device, and an apparatus for transmitting positioning assistance information.
Background
In the 5G air interface (NR) Technology, a terminal device may determine whether a base station side can provide required positioning assistance information by receiving a broadcast system message and according to whether the system message carries positioning related information. Whether the terminal device can acquire the system message is affected by Part of BandWidth transmission (BWP) configured by the terminal device and the RRC connection state, which may specifically be:
Since the 5G system can support various services and different forms of terminal equipment. The terminal device does not adopt a uniform bandwidth any more, the terminal device with high transmission rate requires a large bandwidth, and the terminal device with low transmission rate only needs to support a narrow bandwidth. Under the adaptive Bandwidth (BA) technique, the receiving and transmitting bandwidths of the terminal device do not need to be as large as the carrier Bandwidth of the base station, and the resource configuration and transmission mode in which the Bandwidth size is a part of the carrier Bandwidth of the entire base station is called partial Bandwidth transmission (BWP).
Each terminal device may configure multiple BWPs in a cell, and for NR Rel-15 release, the gNB may configure at most 4 uplink BWPs and 4 downlink BWPs in each cell for each connected terminal device, and only one uplink BWP and one downlink BWP are active at most. Wherein:
initial bwp (initial bwp): for PCell, is BWP for initial access. In the idle state, the UE acquires initial BWP information through a broadcast message. The downlink initial BWP may provide content such as a synchronization channel, broadcast messages, etc.; the uplink initial BWP may be used for the UE to initiate initial connection establishment;
bwp (active bwp) activation: the connected terminal equipment is used for BWP of data transmission with the gNB. The network side may not broadcast the system message on the active BWP, and the UE cannot receive the system message (including subsequent system message updates) in a broadcast manner if the UE is operating on the active BWP.
Through the above description of the existing BWP technology, it can be determined that if the terminal device is operating in a Radio Resource Control (RRC) connected state, and when the terminal device is currently activating the BWP, a paging search space is not configured, which may result in that the terminal device cannot acquire a system message, and cannot determine whether the base station side can provide the required location assistance information, so that the 5G terminal device may not implement fast location based on the mobile communication network.
Disclosure of Invention
The embodiment of the application provides a method, equipment and a device for transmitting positioning auxiliary information, which are used for solving the technical problem that in the prior art, terminal equipment cannot determine whether a base station side can provide required positioning auxiliary information or not under some use scenes, so that the terminal equipment cannot realize quick positioning based on a mobile communication network.
In a first aspect, an embodiment of the present application provides a method for transmitting positioning assistance information, including:
if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message;
Sending a special signaling to the network equipment for requesting to acquire the positioning auxiliary information;
and receiving feedback information sent by network equipment, and acquiring the positioning auxiliary information from the feedback information.
Aiming at the specific scene that the terminal equipment cannot acquire the positioning auxiliary information in the prior art, the method of the embodiment of the application provides that the terminal equipment actively sends a special signaling to the network equipment to acquire the positioning auxiliary information, so that the terminal equipment in the NR system can acquire the positioning auxiliary information which can be provided by the network side (or is required by the terminal equipment) in time.
With reference to the first aspect, in a possible implementation manner of the first aspect, the dedicated signaling is long term evolution positioning protocol LPP signaling or RRC dedicated signaling with a message type of requestassistance data.
In this embodiment, the LPP signaling is a signaling that is defined and mainly used for exchanging the positioning information, so when the positioning assistance information is acquired through the signaling, the dedicated signaling in this embodiment can be determined by directly using the content such as the format of the requestassistance data type LPP signaling in the prior art. If RRC dedicated signaling is used, the format of the RRC dedicated signaling and the parameters that need to be carried can be specified in various ways, and available embodiments are:
And when the dedicated signaling is an RRC dedicated signaling, the RRC dedicated signaling carries one or a combination of multiple types of a mode indication for requesting the network device to send the positioning assistance information in a dedicated signaling mode, a positioning type of the positioning assistance information requested to be obtained, or an information type of the positioning assistance information.
Through the embodiment, the terminal equipment can indicate the positioning type and the information type required by the terminal equipment to the network equipment when requesting to acquire the positioning auxiliary information, so that the problem that the positioning auxiliary information sent by the network equipment cannot be used can be avoided, and the terminal equipment can select an optimized type or a type which is most suitable for a current use scene to request under the condition that the terminal equipment can analyze multiple positioning types, so that the positioning auxiliary information acquired by the terminal equipment can meet the current requirement of the terminal equipment. And because the terminal device may not be able to obtain the positioning assistance information from the existing network device message sending mode, the terminal device carries a mode indication in the dedicated signaling requesting the positioning assistance information when requesting the positioning assistance information, so that the network device selects the dedicated signaling mode to send the positioning assistance information according to the mode indication, thereby improving the success rate of the terminal device receiving the positioning assistance information.
In combination with different types of the dedicated signaling, the corresponding network device may also feed back different types of feedback information, where the feedback information is RRC dedicated signaling, and acquiring the positioning assistance information from the feedback information includes:
if the network equipment can provide the positioning auxiliary information according to the information indication included in the feedback information;
obtaining the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
In this embodiment, the network device may generate the positioning assistance information meeting the requirement based on the requirement requested in the dedicated signaling requesting the positioning assistance information, thereby enabling to improve the efficiency of information interaction between the terminal device and the network device, and to provide the positioning assistance information most suitable for the terminal device, improving the efficiency of processing the positioning assistance information by the terminal device.
In a second aspect, a method for transmitting positioning assistance information is provided, comprising:
the network equipment receives a special signaling which is sent by the terminal equipment and used for requesting to acquire the positioning auxiliary information; the dedicated signaling indicates that the terminal device does not acquire positioning assistance information on active part bandwidth transmission (BWP) when the terminal device is in a Radio Resource Control (RRC) connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
And the network equipment sends the relevant information of the positioning auxiliary information to the terminal equipment.
With reference to the second aspect, in a possible implementation manner of the second aspect, the dedicated signaling is long term evolution positioning protocol (LPP) signaling or RRC dedicated signaling with a message type of requestassistance data.
With reference to the second aspect, in a possible implementation manner of the second aspect, the dedicated signaling is RRC dedicated signaling; before the network device sends the relevant information of the positioning assistance information to the terminal device, the method further includes:
acquiring one or more of a mode indication that the terminal equipment requests the network equipment to send the positioning auxiliary information in a special signaling mode, a positioning type of the positioning auxiliary information requested by the terminal equipment or an information type of the positioning auxiliary information from the RRC special signaling;
generating information related to the positioning assistance information based on the manner indication, the positioning type, or the information type.
In this embodiment, based on the information carried in the dedicated signaling when the terminal device requests the positioning assistance information, the positioning type and the information type of the positioning assistance information required by the terminal device and the manner in which the network device is required to send the positioning assistance information may be further determined. Therefore, the success rate of the network equipment for sending the positioning auxiliary information and the success rate of the terminal equipment for analyzing after receiving the positioning auxiliary information can be ensured.
With reference to the second aspect, in a possible implementation manner of the second aspect, the related information of the positioning assistance information includes indication information indicating whether the network device is determined to be capable of providing the positioning assistance information, and a positioning type of the positioning assistance information that the network device is capable of providing; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
In a third aspect, a terminal device for transmitting positioning assistance information is provided, the device comprising a processor and a memory, the memory being configured to store a program executable by the processor, and the processor being configured to read the program in the memory and execute the following steps:
if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message;
sending a special signaling to the network equipment for requesting to acquire the positioning auxiliary information;
and receiving feedback information sent by network equipment, and acquiring the positioning auxiliary information from the feedback information.
With reference to the third aspect, in a possible implementation manner of the third aspect, the dedicated signaling is long term evolution positioning protocol LPP signaling or RRC dedicated signaling with a message type of requestassistance data.
With reference to the third aspect, in a possible implementation manner of the third aspect, the dedicated signaling is RRC dedicated signaling, and the RRC dedicated signaling carries one or a combination of multiple types of a mode indication that requests the network device to send the positioning assistance information in a dedicated signaling mode, a positioning type of the positioning assistance information requested to be obtained, or an information type of the positioning assistance information.
With reference to the third aspect, in a possible implementation manner of the third aspect, if the feedback information is RRC dedicated signaling, the processor is specifically configured to determine that the network device can provide the positioning assistance information according to an information indication included in the feedback information; obtaining the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and requesting the acquired positioning assistance information.
In a fourth aspect, a network device for transmitting positioning assistance information is provided, the device comprising a processor and a memory, the memory storing a program executable by the processor, the processor being configured to read the program from the memory and execute the following steps:
Receiving a special signaling which is sent by terminal equipment and used for requesting to acquire positioning auxiliary information; the dedicated signaling indicates that the terminal device does not acquire positioning assistance information on active part bandwidth transmission (BWP) when the terminal device is in a Radio Resource Control (RRC) connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
and sending the relevant information of the positioning auxiliary information to the terminal equipment.
With reference to the fourth aspect, in a possible implementation manner of the fourth aspect, the dedicated signaling is a long term evolution positioning protocol LPP signaling or an RRC dedicated signaling with a message type of requestassistance data.
With reference to the fourth aspect, in a possible implementation manner of the fourth aspect, the dedicated signaling is RRC dedicated signaling; the processor is specifically configured to obtain, from the RRC dedicated signaling, one or more of a mode indication that a terminal device requests a network device to send the positioning assistance information in a dedicated signaling mode, a positioning type of the positioning assistance information requested by the terminal device, or an information type of the positioning assistance information; and generating information related to the positioning assistance information based on the mode indication, the positioning type or the information type.
With reference to the fourth aspect, in a possible implementation manner of the fourth aspect, the related information of the positioning assistance information includes indication information indicating whether the network device is determined to be capable of providing the positioning assistance information, and a positioning type of the positioning assistance information that the network device is capable of providing; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
In a fifth aspect, an apparatus for transmitting positioning assistance information is provided, comprising:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for determining that the terminal equipment in the radio resource control RRC connection state is not acquiring the positioning auxiliary information on the active part bandwidth transmission BWP; or the terminal device does not acquire the positioning auxiliary information in the system message;
a sending unit, configured to send a dedicated signaling to a network device, for requesting to acquire positioning assistance information;
and the receiving unit is used for receiving feedback information sent by the network equipment and acquiring the positioning auxiliary information from the feedback information.
In a sixth aspect, an apparatus for transmitting positioning assistance information is provided, comprising:
a receiving unit, configured to receive a dedicated signaling sent by a terminal device and used for requesting to acquire positioning assistance information; the dedicated signaling indicates that the terminal device does not acquire positioning assistance information on active part bandwidth transmission (BWP) when the terminal device is in a Radio Resource Control (RRC) connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
A sending unit, configured to send information related to the positioning assistance information to the terminal device.
In a seventh aspect, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, implements the method for transmitting positioning assistance information according to the first aspect, the second aspect and any one of the possible implementations of the first aspect and the second aspect.
Drawings
FIG. 1 is a schematic diagram of an architecture of an applicable scenario according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for transmitting positioning assistance information according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a simplified terminal device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present invention.
Detailed Description
The technical solution in the present application will be described below with reference to the accompanying drawings.
It should be understood that the technical solution of the embodiment of the present invention may be applied to a Long Term Evolution (LTE) architecture, and may also be applied to a Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (UTRAN) architecture, or a Radio Access Network (GSM EDGE Radio Access Network, GERAN) architecture of a Global System for Mobile communications (GSM)/Enhanced Data Rate GSM Evolution (Enhanced Data Rate for GSM Evolution, EDGE) System. In the UTRAN architecture or/GERAN architecture, the function of MME is completed by Serving GPRS Support Node (SGSN), and the function of SGW/PGW is completed by Gateway GPRS Support Node (GGSN). The technical solution of the embodiment of the present invention may also be applied to other communication systems, such as a Public Land Mobile Network (PLMN) system, and even a future 5G communication system or a communication system after 5G, and the like, which is not limited in the embodiment of the present invention.
In view of the prior art, only one timer is used for the advance measurement to control the validity of the measurement configuration (the measurement configuration is used for indicating the configuration executed by the advance measurement) at the UE, but after the timer of the measurement configuration expires, the measurement result of the advance measurement may be invalid, but the terminal device of the invalid measurement result may still store the invalid measurement result after the timer expires or report the invalid measurement result to the network device for use, thereby causing the network device to configure an inappropriate CA for the UE.
Therefore, in view of the above problems, embodiments of the present application provide a scheme for controlling validity of a measurement result measured in advance, so that a network device is configured with a valid measurement result used by a CA. For the purpose of implementing the solution of the embodiment of the present invention, the apparatus according to the embodiment of the present application may include:
the embodiment of the invention relates to terminal equipment. The terminal device may be a device that includes a wireless transceiving function and can cooperate with the network device to provide a communication service for a user. In particular, a terminal device may refer to a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment. For example, the terminal device may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with a Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a network after 5G, and the like, which are not limited in this embodiment of the present invention.
The embodiment of the invention also relates to network equipment. The network device may be a device for communicating with the terminal device, and for example, may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a Base Station (NodeB, NB) in a WCDMA system, an evolved Node B (eNB, or eNodeB) in an LTE system, or may be a relay Station, an access point, a vehicle-mounted device, a wearable device, and a network device in a future 5G network or a network after 5G network or a network device in a future evolved PLMN network.
The Network device related in the embodiment of the present invention may also be referred to as a Radio Access Network (RAN) device. The RAN equipment is connected with the terminal equipment and used for receiving data of the terminal equipment and sending the data to the core network equipment. RAN devices correspond to different devices in different communication systems, for example, a base station and a base station Controller in a 2G system, a base station and a Radio Network Controller (RNC) in a 3G system, an evolved Node B (eNB) in a 4G system, and an Access Network device (e.g., gbb, CU, DU) in a 5G system, such as a New Radio Access Technology (NR).
In conjunction with the current network system architecture, the method provided by the embodiment of the present application can be applied to the system architecture shown in fig. 1. As shown in fig. 1, several main system components in the 5G NR system and the interaction between the components are shown, in the scenario of the 5G NR system, a base station gNB/ng-eNB of a serving cell of a terminal device (which may be a UE) is responsible for providing the UE with user plane and control plane protocol functions of a 5G radio access network NR.
The embodiment of the present application is directed to the prior art problem that a connected terminal device may not broadcast a system message on a working BWP, and if the active BWP where the terminal device is located cannot broadcast the system message, the terminal device cannot determine whether a base station side can provide required positioning assistance information according to whether the system message carries positioning related information. In view of this scenario, in the method provided in the embodiment of the present application, when the connected terminal device is located on active BWP and cannot receive the broadcast assisted positioning information, the terminal device obtains the required positioning assistance information through a dedicated signaling method.
In view of the above applicable scenarios of the method of the embodiment of the present application, the following describes in detail a method for transmitting positioning assistance information provided by the embodiment of the present application, and in order to reduce occurrence of duplicate descriptions, the following describes a method for transmitting positioning assistance information provided by the embodiment of the present application in a manner of using a terminal device and a network device to interact with each other (the embodiment covers a terminal device side method and a network device side method), and the method may include the steps (as shown in fig. 2):
Step 201, a terminal device in a Radio Resource Control (RRC) connected state determines that no positioning service information is acquired;
in this embodiment, the terminal device may obtain the positioning assistance information in at least two ways, including:
the terminal equipment acquires positioning auxiliary information on the active partial bandwidth transmission BWP; or the terminal equipment acquires the positioning auxiliary information in a system message;
step 202, a dedicated signaling is sent to the network device for requesting to acquire the positioning assistance information.
In this embodiment, when the terminal device obtains the positioning assistance information through the dedicated signaling, it may obtain the positioning assistance information based on the existing LPP signaling that has been defined; of course, a new signaling may be defined to acquire the positioning assistance information; therefore, the dedicated signaling may be a long term evolution Positioning Protocol (LPP) signaling with a message type of requestassistance data; or, RRC dedicated signaling.
In this embodiment, the LPP signaling is a signaling that is already defined and used for the network device and the terminal device to exchange the positioning information, so when the positioning assistance information is acquired through the signaling, the dedicated signaling in this embodiment can be determined directly by using the content such as the format of the LPP signaling of the requestassistance data type in the prior art. If the RRC dedicated signaling is used, the format of the RRC dedicated signaling, the parameters that need to be carried, and the like may be specified in various manners, as long as the positioning information can be obtained from the network device, which may be implemented by:
When the dedicated signaling is RRC dedicated signaling, the RRC dedicated signaling carries:
a1, requesting the network device to provide indication information of the positioning assistance information; after receiving the RRC signaling, the network device analyzes the RRC signaling to obtain the indication information, so that it can be determined that the terminal device needs to obtain the location assistance information of the cell;
a2, requesting the location type of the location assistance information;
because the positioning auxiliary information can have a plurality of positioning types, the terminal equipment can indicate the positioning type to be acquired in the special signaling, and the network equipment is prevented from selecting the positioning type which cannot be analyzed by the terminal equipment or is inconvenient to use currently from the plurality of positioning types; for example, the terminal device desires to receive a-GNSS positioning assistance information, the type of a-GNSS positioning is included in the request message; the corresponding network equipment analyzes the positioning type, and then feeds back positioning auxiliary information corresponding to the positioning type;
a3, information type of positioning assistance information.
Such as terminal device desiring to receive posSibType1-1 (representing GNSS-ReferenceTime assistance information), including posSibType1-1 in the request message;
a4, requesting the network device to use a dedicated signaling mode to send the mode indication of the positioning assistance information.
Based on the technical problems in the prior art, the network device may not acquire the positioning assistance information by the terminal device under the influence of some willing through the existing LPP mode or system message mode, so as to ensure that the terminal device can acquire the requested positioning assistance information, when the terminal device can send a dedicated signaling request for positioning assistance information, a mode indication is carried, so that the network device sends the positioning assistance information required by the terminal device by using the dedicated signaling mode after receiving the mode indication, thereby providing the success rate of acquiring the positioning assistance information by the terminal device.
Through the embodiment, the terminal equipment can indicate the positioning type and the information type required by the terminal equipment to the network equipment when requesting to acquire the positioning auxiliary information, so that the problem that the positioning auxiliary information sent by the network equipment cannot be used can be avoided, and the terminal equipment can select a type which is optimized or most suitable for the use scene at that time to request under the condition that the terminal equipment can analyze multiple positioning types, so that the positioning auxiliary information acquired by the terminal equipment can meet the current requirements of the terminal equipment.
Step 203, the network device receives the dedicated signaling;
when the network device receives the dedicated signaling, it may be determined that the terminal device does not obtain the positioning assistance information on the active part bandwidth transmission BWP when the terminal device is in the RRC connected state; or, the terminal device does not acquire the positioning assistance information in the system message, and the special signaling sent by the terminal device needs to acquire the positioning assistance information;
step 204, the network device packages the relevant information of the positioning auxiliary information into feedback information and sends the feedback information to the terminal device.
In combination with different types of the dedicated signaling (LPP signaling or RRC dedicated signaling), the corresponding network device may also feed back different types of feedback information, and the specific implementation may be:
1. when the dedicated signaling received by the network device is LPP signaling, the feedback information may be:
the network equipment sends the feedback information to the terminal equipment through the LPP signaling with the LPP message type being provideassistancData according to the received special signaling. If the network equipment has the positioning auxiliary information and feeds the positioning auxiliary information back to the terminal equipment, the positioning auxiliary information can be packaged as data content in an LPP signaling with the type of ProvideAssistanceData and sent to the terminal equipment; and directly replying the positioning auxiliary information requested by the terminal equipment to the terminal equipment by using the LPP message.
2. When the received dedicated signaling is RRC dedicated signaling, the feedback information may be:
according to the foregoing description of the RRC dedicated signaling, the RRC dedicated signaling in this application embodiment may have different definitions based on different situations, so in this embodiment, after receiving the RRC signaling, the network device first obtains the carried indication information from the RRC dedicated signaling;
wherein, what can be carried in the RRC signaling includes: requesting the network equipment to send one or more of a mode indication of the positioning auxiliary information, a positioning type of the positioning auxiliary information requested by the terminal equipment and an information type of the positioning auxiliary information in a special signaling mode; correspondingly, aiming at the indication information carried in the RRC dedicated signaling, the network equipment generates feedback information corresponding to the indication information; for example:
the RRC dedicated signaling includes both a positioning type and an information type, and when the corresponding network device generates the feedback information, the corresponding feedback information carries the positioning assistance information corresponding to the positioning type and the information type;
the related information of the positioning assistance information includes: indication information indicating whether the network device is determined to be capable of providing the positioning assistance information, a positioning type of positioning assistance information provided by the network device; an information type of positioning assistance information provided by the network device; and the positioning assistance information.
Of course, if the positioning type and the information type of the positioning assistance information are both matched with those requested by the terminal device, the related information may also be sent in a simplified manner, that is, the related information includes: indication information indicating whether the network device is determined to be capable of providing the positioning assistance information and positioning assistance information requested by a terminal device.
In this embodiment, if the network device has the positioning assistance information requested by the terminal device, and only the positioning type and/or the information type of the positioning assistance information are not the same as those requested by the terminal device, the network device may, when feeding back the related information of the positioning assistance information:
the related information of the positioning assistance information includes: a location type of location assistance information that the network device is capable of providing; information types of positioning assistance information that the network device is capable of providing; and positioning assistance information corresponding to the positioning type and the information type; in order to meet the requirements of the terminal device as much as possible, in this embodiment, if the positioning types and information types that can be provided by the network device include multiple types, the terminal device may be provided with the positioning assistance information of multiple positioning types and information types correspondingly.
For different manners of determining the feedback information after the network device receives the RRC dedicated signaling, the implementation manner of acquiring the positioning assistance information from the feedback information after the corresponding terminal device receives the feedback information may be:
if the network equipment can provide the positioning auxiliary information according to the information indication included in the feedback information;
obtaining the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
The positioning type and the information type indicate that the network equipment obtains the positioning auxiliary information meeting the requirements of the terminal equipment in a specified mode; further, after the positioning assistance information meeting the requirement is obtained, the network device needs to send the positioning assistance information to the terminal device in a certain manner, and in this embodiment, the network device may select the same manner as that in the prior art to send the positioning assistance information; however, since the terminal device may still not obtain the positioning assistance information in the prior art (LPP message or system message), after receiving the dedicated signaling requesting the positioning assistance information, the method may instruct to determine to select the dedicated signaling method for sending the positioning assistance information to the terminal device. Therefore, the probability of receiving the positioning auxiliary information by the terminal equipment is improved.
In this embodiment, the network device may generate the positioning assistance information meeting the requirement based on the requirement requested in the dedicated signaling requesting the positioning assistance information, thereby enabling to improve the efficiency of information interaction between the terminal device and the network device, and to provide the positioning assistance information most suitable for the terminal device, improving the efficiency of processing the positioning assistance information by the terminal device.
Based on the content of the feedback information, in this embodiment, if the network device may send one RRC signaling when sending the feedback information, or send multiple RRC signaling to send the related information of the positioning assistance information to the terminal device; for example:
for the situation that the network device has no positioning assistance information, an RRC dedicated signaling may be sent, where the signaling includes indication information for indicating that the network device has no positioning assistance information requested by the terminal device;
for the case that the network device has the positioning assistance information, the network device may send one or more RRC dedicated signaling to carry the related information of the positioning assistance information. For example: if the condition is one, the information is indicated, and the positioning type of the auxiliary information is positioned; the information type of the positioning assistance information; and said positioning assistance information is encapsulated in an RRC dedicated signaling; the case of using multiple strips may then be: the information indication is encapsulated in one RRC dedicated signaling, other information is encapsulated in one or more pieces of RRC dedicated signaling, for the implementation, the terminal device can determine whether the network device includes the required positioning assistance information after resolving the RRC dedicated signaling including the information indication, if so, the network device further detects and receives the information, and if not, the positioning assistance information is acquired through decision selection in other modes.
In the method provided in the foregoing embodiment, based on the difference of the dedicated signaling, the network device correspondingly implementing the method is also different, and if the dedicated signaling is an LLP signaling, the network device correspondingly performing network side information processing is a location server; and if the special signaling is RRC special signaling, the network equipment for processing the network side information is the base station.
Aiming at the specific scene that the terminal equipment cannot acquire the positioning auxiliary information in the prior art, the method of the embodiment of the application provides that the terminal equipment actively sends a special signaling to the network equipment to acquire the positioning auxiliary information, so that the terminal equipment in the NR system can acquire the positioning auxiliary information which can be provided by the network side (or is required by the terminal equipment) in time.
As shown in fig. 3, an embodiment of the present application further provides a terminal device 300 for transmitting positioning assistance information, the device includes a processor 301 and a memory 302, the memory 302 is configured to store a program executable by the processor 301, and the processor 301 is configured to read the program in the memory 302 and perform the following steps:
if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message;
And sending a special signaling to the network equipment for requesting to acquire the positioning auxiliary information.
In one possible implementation, the dedicated signaling is long term evolution positioning protocol, LPP, signaling or RRC dedicated signaling with message type requestassistence data.
In a possible implementation manner, the dedicated signaling is RRC dedicated signaling, and the RRC dedicated signaling carries one or a combination of multiple types of a mode indication requesting the network device to send the positioning assistance information in a dedicated signaling mode, a positioning type of the positioning assistance information requested to be obtained, or an information type of the positioning assistance information.
In a possible implementation manner, the processor 301 is specifically configured to receive feedback information sent by a network device; and acquiring the positioning auxiliary information from the feedback information.
In a possible implementation manner, if the feedback information is RRC dedicated signaling, the processor 301 is specifically configured to determine that the network device can provide the positioning assistance information according to an information indication included in the feedback information; obtaining the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and requesting the acquired positioning assistance information.
As shown in fig. 4, an embodiment of the present application further provides a terminal device 400 for transmitting positioning assistance information, where the device includes a processor 401 and a memory 402, the memory 402 is configured to store a program executable by the processor 401, and the processor 401 is configured to read the program in the memory 402 and perform the following steps:
receiving a special signaling which is sent by terminal equipment and used for requesting to acquire positioning auxiliary information; the dedicated signaling indicates that the terminal device does not acquire positioning assistance information on active part bandwidth transmission (BWP) when the terminal device is in a Radio Resource Control (RRC) connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
and sending the relevant information of the positioning auxiliary information to the terminal equipment.
In one possible implementation, the dedicated signaling is long term evolution positioning protocol (LPP) signaling or RRC dedicated signaling with a message type of requestassistance data.
In one possible implementation, the dedicated signaling is RRC dedicated signaling; further comprising:
the processor 401 is configured to obtain, from the RRC dedicated signaling, one or more of a mode indication that the terminal device requests the network device to send the positioning assistance information in a dedicated signaling mode, a positioning type of the positioning assistance information requested by the terminal device, or an information type of the positioning assistance information; and generating information related to the positioning assistance information based on the mode indication, the positioning type or the information type.
In a possible implementation manner, the related information of the positioning assistance information includes indication information indicating whether the network device is determined to be capable of providing the positioning assistance information, and a positioning type of the positioning assistance information that the network device is capable of providing; the type of information of the positioning assistance information that the network device can provide; and the positioning assistance information.
Based on the same inventive concept, the embodiment of the present application further provides another apparatus for transmitting positioning assistance information, including:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for determining that the terminal equipment in the radio resource control RRC connection state is not acquiring the positioning auxiliary information on the active part bandwidth transmission BWP; or the terminal device does not acquire the positioning auxiliary information in the system message;
a sending unit, configured to send a dedicated signaling to the network device, to request to acquire the positioning assistance information.
Based on the same inventive concept, the embodiment of the present application further provides another apparatus for transmitting positioning assistance information, including:
a receiving unit, configured to receive a dedicated signaling sent by a terminal device and used for requesting to acquire positioning assistance information; the dedicated signaling indicates that the terminal device does not acquire positioning assistance information on active part bandwidth transmission (BWP) when the terminal device is in a Radio Resource Control (RRC) connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
A sending unit, configured to send information related to the positioning assistance information to the terminal device.
Based on the same inventive concept, the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for transmitting positioning assistance information according to any one of the embodiments in fig. 2.
In combination with the method to be implemented by the terminal device, fig. 5 in the embodiment of the present application illustrates a simplified structural diagram of the terminal device. For easy understanding and illustration, in fig. 5, the terminal device is exemplified by a mobile phone. As shown in fig. 5, the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input-output device. The processor is mainly used for processing communication protocols and communication data, controlling the terminal equipment, executing software programs, processing data of the software programs and the like. The memory is used primarily for storing software programs and data. The radio frequency circuit is mainly used for converting baseband signals and radio frequency signals and processing the radio frequency signals. The antenna is mainly used for receiving and transmitting radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are used primarily for receiving data input by a user and for outputting data to the user. It should be noted that some kinds of terminal devices may not have input/output devices.
When data needs to be sent, the processor carries out baseband processing on the data to be sent and then outputs baseband signals to the radio frequency circuit, and the radio frequency circuit carries out radio frequency processing on the baseband signals and then sends the radio frequency signals to the outside in an electromagnetic wave mode through the antenna. When data is sent to the terminal equipment, the radio frequency circuit receives radio frequency signals through the antenna, converts the radio frequency signals into baseband signals and outputs the baseband signals to the processor, and the processor converts the baseband signals into the data and processes the data. For ease of illustration, only one memory and processor are shown in FIG. 5. In an actual end device product, there may be one or more processors and one or more memories. The memory may also be referred to as a storage medium or a storage device, etc. The memory may be provided independently of the processor, or may be integrated with the processor, which is not limited in this embodiment.
In the embodiment of the present application, the antenna and the radio frequency circuit having the transceiving function may be regarded as a transceiving unit of the terminal device, and the processor having the processing function may be regarded as a processing unit of the terminal device. As shown in fig. 5, the terminal device includes a transceiving unit 510 and a processing unit 520. A transceiver unit may also be referred to as a transceiver, a transceiving device, etc. A processing unit may also be referred to as a processor, a processing board, a processing module, a processing device, or the like. Optionally, a device used for implementing a receiving function in the transceiver unit 510 may be regarded as a receiving unit, and a device used for implementing a transmitting function in the transceiver unit 510 may be regarded as a transmitting unit, that is, the transceiver unit 510 includes a receiving unit and a transmitting unit. A transceiver unit may also sometimes be referred to as a transceiver, transceiving circuitry, or the like. A receiving unit may also be referred to as a receiver, a receiving circuit, or the like. A transmitting unit may also sometimes be referred to as a transmitter, or a transmitting circuit, etc.
It should be understood that the transceiver unit 510 is configured to perform the transmitting operation and the receiving operation on the terminal device side in the above method embodiments, and the processing unit 520 is configured to perform other operations besides the transceiving operation on the terminal device in the above method embodiments.
For example, in one implementation, the transceiver unit 510 is configured to perform a receiving operation on the terminal device side in step 201 in fig. 2, and/or the transceiver unit 510 is further configured to perform other transceiving steps on the terminal device side in the embodiment of the present application. Processing unit 520 is configured to perform step 202 in fig. 2, and/or processing unit 520 is further configured to perform other processing steps on the terminal device side in the embodiment of the present application.
When the communication device is a chip-like device or circuit, the device may comprise a transceiver unit and a processing unit. The transceiver unit may be an input/output circuit and/or a communication interface; the processing unit is an integrated processor or microprocessor or integrated circuit.
When the apparatus in this embodiment is a network device, the network device may be as shown in fig. 6, where the apparatus 600 includes one or more radio frequency units, such as a Remote Radio Unit (RRU) 610 and one or more baseband units (BBUs) (which may also be referred to as digital units, DUs) 620. The RRU610 may be referred to as a transceiver module, which may also be referred to as a transceiver, a transceiver circuit, or a transceiver, etc., and may include at least one antenna 611 and a radio frequency unit 612. The RRU610 is mainly used for transceiving radio frequency signals and converting the radio frequency signals and baseband signals, for example, for sending indication information to a terminal device. The BBU 620 is mainly used for performing baseband processing, controlling a base station, and the like. The RRU610 and the BBU 620 may be physically disposed together or may be physically disposed separately, i.e., distributed base stations.
The BBU620 is a control center of the base station, and may also be referred to as a processing module, and is mainly used for performing baseband processing functions, such as channel coding, multiplexing, modulation, spreading, and the like. For example, the BBU (processing module) may be configured to control the base station to perform an operation procedure related to the network device in the foregoing method embodiment, for example, to generate the foregoing indication information.
In an example, the BBU620 may be formed by one or more boards, and the boards may collectively support a radio access network of a single access system (e.g., an LTE network), or may respectively support radio access networks of different access systems (e.g., an LTE network, a 5G network, or other networks). The BBU620 also includes a memory 621 and a processor 622. The memory 621 is used for storing necessary instructions and data. The processor 622 is configured to control the base station to perform necessary actions, for example, to control the base station to perform the operation flow of fig. 2 regarding the network device in the above-described method embodiment. The memory 621 and the processor 622 may serve one or more boards. That is, the memory and processor may be provided separately on each board. Multiple boards may share the same memory and processor. In addition, each single board can be provided with necessary circuits.
In this solution, the manner in which the terminal device and the network device implement information transmission is consistent with various possible implementation manners proposed in the first aspect, and details are not described here.
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 also be understood that reference herein to first, second, third, fourth, and various numerical numbering is merely for convenience of description and is not intended to limit the scope of the present application.
It should be understood that the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
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 technical solution. 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 think 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 (7)
1. A method of transmitting positioning assistance information, comprising:
if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message;
sending RRC dedicated signaling to the network equipment for requesting to acquire the positioning auxiliary information; the RRC dedicated signaling carries indication information for requesting the network equipment to provide positioning auxiliary information, a mode indication for requesting the network equipment to send the positioning auxiliary information in a dedicated signaling mode, a positioning type of the positioning auxiliary information requested to be acquired or a combination of one or more of information types of the positioning auxiliary information;
Receiving feedback information sent by network equipment;
if the network equipment can provide the positioning auxiliary information according to the information indication included in the feedback information, acquiring the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
2. A method of transmitting positioning assistance information, comprising:
the method comprises the steps that network equipment receives RRC dedicated signaling which is sent by terminal equipment and used for requesting to acquire positioning auxiliary information; the RRC dedicated signaling indicates that the terminal equipment does not acquire positioning auxiliary information on the active part bandwidth transmission BWP when the terminal equipment is in a radio resource control RRC connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
acquiring one or more of a mode indication that the terminal equipment requests the network equipment to send the positioning auxiliary information in a special signaling mode, a positioning type of the positioning auxiliary information requested by the terminal equipment or an information type of the positioning auxiliary information from the RRC special signaling;
generating related information of the positioning assistance information based on the mode indication, the positioning type or the information type; wherein, the related information of the positioning assistance information includes indication information indicating whether the network device can provide the positioning assistance information or not, and a positioning type of the positioning assistance information that the network device can provide; information types of positioning assistance information that the network device can provide; and the positioning assistance information;
And the network equipment sends the relevant information of the positioning auxiliary information to the terminal equipment.
3. A terminal device for transmitting positioning assistance information, the device comprising a processor and a memory, the memory storing a program executable by the processor, the processor being configured to read the program from the memory and to perform the following steps:
if the terminal equipment in the radio resource control RRC connection state is in the active partial bandwidth transmission BWP, the positioning auxiliary information is not acquired; or the terminal device does not acquire the positioning auxiliary information in the system message;
sending RRC dedicated signaling to the network equipment for requesting to acquire the positioning auxiliary information; the RRC dedicated signaling carries one or more combinations of a mode indication for requesting the network equipment to send the positioning auxiliary information in a dedicated signaling mode, a positioning type of the positioning auxiliary information requested to be acquired, or an information type of the positioning auxiliary information;
receiving feedback information sent by network equipment, and if the network equipment can provide the positioning auxiliary information according to information indication included in the feedback information; obtaining the positioning type of the positioning auxiliary information which can be provided by the network equipment from the feedback information; information types of positioning assistance information that the network device can provide; and requesting the acquired positioning assistance information.
4. A network device for transmitting positioning assistance information, the device comprising a processor and a memory, the memory storing a program executable by the processor, the processor being configured to read the program from the memory and perform the steps of:
receiving RRC dedicated signaling sent by terminal equipment and used for requesting to acquire positioning auxiliary information; the RRC dedicated signaling indicates that the terminal equipment does not acquire positioning auxiliary information on the active part bandwidth transmission BWP when the terminal equipment is in a radio resource control RRC connected state; or the terminal device does not acquire the positioning auxiliary information in the system message;
acquiring one or more of a mode indication that the terminal equipment requests the network equipment to send the positioning auxiliary information in a special signaling mode, a positioning type of the positioning auxiliary information requested by the terminal equipment or an information type of the positioning auxiliary information from the RRC special signaling; generating related information of the positioning auxiliary information based on the mode indication, the positioning type or the information type; the related information of the positioning assistance information comprises indication information indicating whether the network equipment can provide the positioning assistance information or not and a positioning type of the positioning assistance information which can be provided by the network equipment; information types of positioning assistance information that the network device can provide; and the positioning assistance information;
And sending the relevant information of the positioning auxiliary information to the terminal equipment.
5. An apparatus for transmitting positioning assistance information, comprising:
the acquiring unit is used for not acquiring the positioning auxiliary information if the terminal equipment in the radio resource control RRC connection state is on the active partial bandwidth transmission BWP; or the terminal device does not acquire the positioning auxiliary information in the system message;
a sending unit, configured to send an RRC dedicated signaling to a network device, for requesting to acquire positioning assistance information; the RRC dedicated signaling carries indication information for requesting the network equipment to provide positioning auxiliary information, a mode indication for requesting the network equipment to send the positioning auxiliary information in a dedicated signaling mode, a positioning type of the positioning auxiliary information requested to be acquired or a combination of one or more of information types of the positioning auxiliary information;
the obtaining unit is further configured to receive feedback information sent by a network device, and if it is determined that the network device can provide the positioning assistance information according to an information indication included in the feedback information, obtain, from the feedback information, a positioning type of the positioning assistance information that the network device can provide; information types of positioning assistance information that the network device can provide; and the positioning assistance information.
6. An apparatus for transmitting positioning assistance information, comprising:
a receiving unit, configured to receive an RRC dedicated signaling sent by a terminal device and used for requesting to acquire positioning assistance information; the RRC dedicated signaling indicates that the terminal equipment does not acquire positioning auxiliary information on the active part bandwidth transmission BWP when the terminal equipment is in a radio resource control RRC connected state; or the terminal device does not acquire the positioning auxiliary information in the system message; acquiring one or more of a mode indication that the terminal equipment requests the network equipment to send the positioning auxiliary information in a special signaling mode, a positioning type of the positioning auxiliary information requested by the terminal equipment or an information type of the positioning auxiliary information from the RRC special signaling; generating related information of the positioning assistance information based on the mode indication, the positioning type or the information type; the related information of the positioning assistance information comprises indication information indicating whether the network equipment can provide the positioning assistance information or not and a positioning type of the positioning assistance information which can be provided by the network equipment; information types of positioning assistance information that the network device can provide; and the positioning assistance information;
A sending unit, configured to send the relevant information of the positioning assistance information to the terminal device.
7. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of transmitting positioning assistance information according to any one of claims 1 to 2.
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| WO2023225826A1 (en) * | 2022-05-23 | 2023-11-30 | 北京小米移动软件有限公司 | Method and apparatus for acquiring positioning system information |
| WO2024000157A1 (en) * | 2022-06-28 | 2024-01-04 | Oppo广东移动通信有限公司 | Method and apparatus for solving conflict between measurement and communication of terminal device |
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