CN113475110B - Wireless communication method, terminal device and network device - Google Patents
Wireless communication method, terminal device and network device Download PDFInfo
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Abstract
The embodiment of the application provides a wireless communication method, terminal equipment and network equipment, which can improve network optimization performance. The wireless communication method comprises the following steps: the terminal device sends first information for a first altitude range and/or a first cell type to the network device, wherein the first information comprises at least one of the following information: MDT related information, RLF related information, CEF related information or measurement report information.
Description
Technical Field
The embodiment of the application relates to the field of communication, and more particularly relates to a wireless communication method, terminal equipment and network equipment.
Background
In a long term evolution (Long Term Evolution, LTE) system and a New Radio (NR) system, a Self-optimizing network (Self-Optimization Network, SON) is introduced, and a terminal device may assist a network device in network optimization by reporting some parameters, however, parameters reported by the terminal device mainly consider ground coverage, and the related parameter reporting only aims at a ground terminal, so as to affect network optimization performance of a terminal such as an unmanned aerial vehicle.
Disclosure of Invention
The embodiment of the application provides a wireless communication method, terminal equipment and network equipment, which can improve network optimization performance.
In a first aspect, a wireless communication method is provided, the method comprising:
the terminal device sends first information for a first altitude range and/or a first cell type to the network device, wherein,
the first information includes at least one of the following information:
minimization of drive tests (Minimization of Drive Test, MDT) related information, radio link failure (Radio Link Failure, RLF) related information, connection establishment failure (Connection Establish Failure, CEF) related information, or measurement report information.
In a second aspect, there is provided a wireless communication method comprising:
the network device receives first information for a first altitude range and/or a first cell type sent by the terminal device, wherein,
the first information includes at least one of the following information:
MDT related information, RLF related information, CEF related information or measurement report information.
In a third aspect, a terminal device is provided for performing the method in the first aspect or each implementation manner thereof.
Specifically, the terminal device comprises functional modules for performing the method of the first aspect or its implementation manner.
In a fourth aspect, a network device is provided for performing the method of the second aspect or implementations thereof.
In particular, the network device comprises functional modules for performing the method of the second aspect or implementations thereof described above.
In a fifth aspect, a terminal device is provided comprising a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory and executing the method in the first aspect or various implementation manners thereof.
In a sixth aspect, a network device is provided that includes a processor and a memory. The memory is for storing a computer program and the processor is for calling and running the computer program stored in the memory for performing the method of the second aspect or implementations thereof described above.
A seventh aspect provides an apparatus for implementing the method of any one of the first to second aspects or each implementation thereof.
Specifically, the device comprises: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method as in any one of the first to second aspects or implementations thereof described above.
In an eighth aspect, a computer-readable storage medium is provided for storing a computer program that causes a computer to perform the method of any one of the above-described first to second aspects or implementations thereof.
A ninth aspect provides a computer program product comprising computer program instructions for causing a computer to perform the method of any one of the first to second aspects or implementations thereof.
In a tenth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of any one of the first to second aspects or implementations thereof.
Through the technical scheme, the terminal equipment can report the MDT related information, the RLF related information, the CEF related information or the measurement report information aiming at the first height range and/or the first cell type to the network equipment, so that unnecessary parameter report can be reduced, and the network optimization performance can be improved.
Drawings
Fig. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
Fig. 2 is a schematic flow chart of information reporting provided in an embodiment of the present application.
Fig. 3 is a schematic flow chart of a wireless communication method provided according to an embodiment of the present application.
Fig. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
Fig. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
Fig. 6 is a schematic block diagram of a communication device provided in accordance with an embodiment of the present application.
Fig. 7 is a schematic block diagram of an apparatus provided in accordance with an embodiment of the present application.
Fig. 8 is a schematic block diagram of a communication system provided in accordance with an embodiment of the present application.
Detailed Description
The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art to which the application pertains without inventive faculty, are intended to fall within the scope of the application.
The embodiment of the application can be applied to various communication systems, such as: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, general packet Radio service (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE) system, long term evolution advanced (Advanced long term evolution, LTE-a) system, new Radio (NR) system, evolution system of NR system, LTE-based access to unlicensed spectrum, LTE-U) system over unlicensed spectrum, NR (NR-based access to unlicensed spectrum, NR-U) system over unlicensed spectrum, universal mobile communication system (Universal Mobile Telecommunication System, UMTS), wireless local area network (Wireless Local Area Networks, WLAN), wireless fidelity (Wireless Fidelity, wiFi), next generation communication system or other communication system, etc.
Generally, the number of connections supported by the conventional communication system is limited and easy to implement, however, as the communication technology advances, the mobile communication system will support not only conventional communication but also, for example, device-to-Device (D2D) communication, machine-to-machine (Machine to Machine, M2M) communication, machine type communication (Machine Type Communication, MTC), inter-vehicle (Vehicle to Vehicle, V2V) communication, and the like, to which the embodiments of the present application can also be applied.
Optionally, the communication system in the embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a Stand Alone (SA) fabric scenario.
The frequency spectrum of the application of the embodiment of the application is not limited. For example, the embodiment of the application can be applied to licensed spectrum and unlicensed spectrum.
An exemplary communication system 100 to which embodiments of the present application may be applied is shown in fig. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area.
Fig. 1 illustrates one network device and two terminal devices by way of example, and the communication system 100 may alternatively include multiple network devices and may include other numbers of terminal devices within the coverage area of each network device, as embodiments of the application are not limited in this regard.
Optionally, the communication system 100 may further include a network controller, a mobility management entity, and other network entities, which are not limited by the embodiment of the present application.
It should be understood that a device having a communication function in a network/system according to an embodiment of the present application may be referred to as a communication device. Taking the communication system 100 shown in fig. 1 as an example, the communication device may include a network device 110 and a terminal device 120 with communication functions, where the network device 110 and the terminal device 120 may be specific devices described above, and are not described herein again; the communication device may also include other devices in the communication system 100, such as a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.
It should be understood that the terms "system" and "network" are used interchangeably herein. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The embodiments of the present application describe various embodiments in connection with a terminal device and a network device, wherein: a terminal device may also be called 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, a User device, or the like. The terminal device may be a Station (ST) in a WLAN, may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) device, a handheld device with wireless communication functionality, a computing device or other processing device connected to a wireless modem, a vehicle mounted device, a wearable device, and a next generation communication system, such as a terminal device in an NR network or a terminal device in a future evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
By way of example, and not limitation, in embodiments of the present application, the terminal device may also be a wearable device. The wearable device can also be called as a wearable intelligent device, and is a generic name for intelligently designing daily wear by applying wearable technology and developing wearable devices, such as glasses, gloves, watches, clothes, shoes and the like. The wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also can realize a powerful function through software support, data interaction and cloud interaction. The generalized wearable intelligent device includes full functionality, large size, and may not rely on the smart phone to implement complete or partial functionality, such as: smart watches or smart glasses, etc., and focus on only certain types of application functions, and need to be used in combination with other devices, such as smart phones, for example, various smart bracelets, smart jewelry, etc. for physical sign monitoring.
The network device may be a device for communicating with the mobile device, the network device may be an Access Point (AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or an Access Point, or a vehicle device, a wearable device, and a network device in NR network or a base station (gNB) or a network device in future evolved PLMN network, etc.
In the embodiment of the present application, a network device provides a service for a cell, and a terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource, or a spectrum resource) used by the cell, where the cell may be a cell corresponding to the network device (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a Small cell (Small cell), where the Small cell may include: urban cells (Metro cells), micro cells (Micro cells), pico cells (Pico cells), femto cells (Femto cells) and the like, and the small cells have the characteristics of small coverage area and low transmitting power and are suitable for providing high-rate data transmission services.
In cellular networks (e.g., LTE, NR), the terminal device operates according to the network configuration, whether in an IDLE state (IDLE), INACTIVE state (INACTIVE), or CONNECTED state (CONNECTED). If in idle state, the terminal performs cell selection and cell reselection according to network configuration; in the inactive state, the terminal updates the wireless identification area (RAN Notification Area, RNA) according to the network configuration; and in the connection state, the terminal performs operations such as bearer establishment, data transmission, cell switching and the like according to network configuration.
In all operations, one type of reporting belongs to terminal auxiliary network optimization reporting, and the main reason is that in the current wireless network, because network parameters are thousands of, in the network parameter configuration process, the problems of complex parameter configuration, difficult coordination of partial parameters or easy mismatching exist. Therefore, in the research process of LTE and NR, operators put forward the concept of Self-optimizing Network (SON), and hope that the Network can automatically plan and optimize Network parameters based on the information by reporting parameters of terminal devices and statistics of Network devices.
In order to optimize the network, modes such as Minimization of Drive Tests (MDT), radio link failure reporting (RLF Report), connection establishment failure reporting (CEF Report) and the like are introduced into the LTE and NR networks, and information in different scenes is reported, so that the network judgment problem is assisted, and the network optimization is performed by adjusting parameters.
The MDT is used for collecting information from two aspects of a base station and a terminal aiming at coverage problems such as network coverage holes, weak coverage, pilot frequency pollution, over coverage, coverage overlapping, uplink coverage and the like, judging the problems, adjusting network parameters based on the information, and optimizing network configuration. The mainly reported information includes cell reference signal received power (Reference Signal Receiving Power, RSRP)/reference signal received quality (Reference Signal Receiving Quality, RSRQ) values, beam RSRP/RSRQ, location information, time information, etc. The minimization of drive tests are divided into two types, namely Immediate reporting (Immediate MDT) and storage reporting (log MDT). The real-time reporting process in the LTE system is not different from the common radio resource management (Radio Resource Management, RRM) reporting process, and only the position information is needed to be added outside the common RRM reporting process.
The RLF reporting emphasis reports the situation when the radio link failure and handover failure related problems occur, so that the network can determine what causes are the radio link failure or handover failure problems, and perform network parameter optimization. The main reported information comprises the contents such as RSRP/RSRQ value, position information and the like of the serving cell.
CEF reporting emphasis reports the situation when the connection establishment failure related problem occurs, so that the network can judge the connection establishment failure problem caused by what reason, and perform terminal access optimization. The information mainly reported comprises the content such as the failed cell ID, the RSRP/RSRQ value of the serving cell, the position information, the time stamp, the number of the random access preambles tried, the maximum transmitting power and the like.
The basic flow of the above reporting the triggered MDT, RLF Report and CEF Report is similar, and the general flow is shown in fig. 2, in which the terminal device carries indication information in a connection establishment completion message (for example, RRCConnectionEstablishmentComplete in LTE) to indicate that the terminal device stores the data of the triggered MDT, RLF or CEF. After receiving the connection establishment completion message, the base station uses a terminal information request (UEInformationRequest) message to prompt the terminal to report the stored information, and the terminal uses a terminal information report (UEInformationResponse) message to report the stored information.
It should be noted that, the triggered MDT is mainly used for network measurement for idle state terminals; the IMmedia MDT is mainly used for network measurement aiming at a connection state terminal, and the success of the Beam Failure Recovery (BFR) and the success of the switching of the terminal are reported; CEF records abnormal event mainly when terminal is accessed; the RLF Report records an abnormal event mainly when the terminal fails in radio link or when the handover fails (including successful re-establishment after failure and failed re-establishment after failure).
However, MDT, RLF or CEF reported by the terminal device mainly considers ground coverage, and the parameter reporting is only directed to the ground terminal, which affects the network optimization performance of the terminal such as unmanned plane. On the other hand, the MDT, RLF or CEF reported by the terminal device does not consider the design of reporting by the base station of the special terminal for the special altitude area alone.
Based on the above technical problems, the embodiments of the present application provide a wireless communication method, which can perform MDT, RLF, CEF or measurement reporting for a specific altitude range and/or a specific cell type, so as to avoid unnecessary measurement reporting.
The wireless communication scheme devised by the present application in view of the above technical problems is described in detail below.
Fig. 3 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the application, as shown in fig. 3, the method 200 may include some or all of the following:
s210, the terminal device sends first information for a first altitude range and/or a first cell type to the network device, wherein,
the first information includes at least one of the following information: MDT related information, RLF related information, CEF related information or measurement report information;
S220, the network equipment receives the first information sent by the terminal equipment.
In the embodiment of the application, under some special scenes, the terminal equipment only needs to report the first information aiming at the first height range and/or the first cell type, and does not need to report the first information of other height ranges or other cell types, so that unnecessary parameter reporting can be avoided, and signaling overhead generated by the first information reporting is reduced.
Optionally, the MDT related information includes altitude information of the terminal device and/or cell type information of the terminal device. The MDT related information may also include a cell RSRP/RSRQ value, a beam RSRP/RSRQ, location information, time information, etc.
Optionally, in an embodiment of the present application, the RLF related information includes altitude information of the terminal device and/or cell type information of the terminal device. The RLF related information may also include contents such as RSRP/RSRQ values, location information, etc. of the serving cell.
Optionally, in an embodiment of the present application, the CEF related information includes altitude information of the terminal device and/or cell type information of the terminal device. The CEF related information may further include content such as a failed cell ID, an RSRP/RSRQ value of a serving cell, location information, a time stamp, a number of attempted random access preambles, a maximum transmission power, and the like.
Optionally, in an embodiment of the present application, the measurement report information includes altitude information of the terminal device and/or cell type information of the terminal device. The measurement report information may also include some other information, as the application is not limited in this regard.
Optionally, in the embodiment of the present application, the terminal device needs to acquire MDT related information, RLF related information, CEF related information, or measurement report information for the first altitude range and/or the first cell type in advance.
For example, the terminal device first acquires (e.g., acquires by measurement) MDT related information, RLF related information, CEF related information or measurement report information for a specific altitude range and/or a specific cell type, and then selects MDT related information, RLF related information, CEF related information or measurement report information for the first altitude range and/or the first cell type from the MDT related information, RLF related information, CEF related information or measurement report information for the specific altitude range and/or the specific cell type.
For another example, the terminal device directly obtains (e.g., by measurement) MDT related information, RLF related information, CEF related information, or measurement report information for the first altitude range and/or the first cell type.
Optionally, in an embodiment of the present application, the first height range includes a height range suitable for unmanned aerial vehicle flight.
For example, the terminal device is an unmanned aerial vehicle.
Alternatively, the first height range may also include some other height range, for example, 50m-100m,500m-1000m, etc.
In the embodiment of the present application, the cell type may be obtained based on a type division of a vehicle carried by a terminal device served by a cell, where the cell type includes the first cell type.
Optionally, in an embodiment of the present application, the first cell type includes, but is not limited to, at least one of:
unmanned aerial vehicle cell, expressway cell.
Optionally, in an embodiment of the present application, the first altitude range and/or the first cell type may be preconfigured by the network device. For example, the terminal device receives first configuration information sent by the network device, where the first configuration information is used to indicate the first altitude range and/or the first cell type. Accordingly, the network device sends the first configuration information to the terminal device.
For example, the first configuration information instructs the terminal device to perform drive test recording for an area above a certain height.
For another example, the first configuration information instructs the terminal device to perform drive test recording for an area of 50m-100 m.
For another example, the first configuration information indicates the terminal device unmanned aerial vehicle cell to perform drive test recording.
For another example, each cell may include an identification of the drone cell in the system information, thereby distinguishing whether it belongs to the drone cell.
Optionally, the first altitude range and/or the first cell type may also be preset, or the first altitude range and/or the first cell type may be protocol-agreed.
Optionally, in the embodiment of the present application, after the first information is acquired, the terminal device may store the first information first, and then report the first information when the network device requires reporting.
For example, in the case that the terminal device is in an idle state or a deactivated state, after acquiring the first information, the terminal device may store the first information first, and then report the first information when the network device requires reporting.
Optionally, the terminal device sends first indication information to the network device, where the first indication information is used to indicate that the terminal device stores the first information.
Further, the terminal device receives first request information sent by the network device, where the first request information is used to instruct the terminal device to report the first information.
After the terminal device receives the first request information, the terminal device performs the above step S210.
Correspondingly, the network equipment receives the first indication information sent by the terminal equipment, and responds to the first indication information, the network equipment sends the first request information to the terminal equipment.
Alternatively, in an embodiment of the present application, the terminal device may send the first information to the network device periodically or on an event-triggered basis.
For example, in case the terminal device is in a connected state, the terminal device may send the first information to the network device periodically or on an event-triggered basis.
Alternatively, the period of sending the first information by the terminal device may be preconfigured by the network device, and the period of sending the first information by the terminal device may also be preset or agreed by a protocol.
Optionally, the event triggering the terminal device to send the first information may be preconfigured by the network device, and the event triggering the terminal device to send the first information may also be preset or agreed by a protocol.
For example, when the signal quality of the neighboring cell is better than the signal quality of the serving cell by a threshold value, the terminal device is triggered to send the first information.
Therefore, in the embodiment of the application, the terminal device can report the MDT related information, the RLF related information, the CEF related information or the measurement report information aiming at the first height range and/or the first cell type to the network device, so that unnecessary parameter report can be reduced, and network optimization performance can be improved.
Fig. 4 shows a schematic block diagram of a terminal device 300 according to an embodiment of the application. As shown in fig. 4, the terminal device 300 includes:
a communication unit 310 for transmitting first information for a first altitude range and/or a first cell type to a network device, wherein,
the first information includes at least one of the following information:
MDT related information, RLF related information, CEF related information or measurement report information.
Optionally, the cell type is divided based on the type of vehicle carried by the terminal device served by the cell, and the cell type includes the first cell type.
Optionally, the first cell type includes at least one of:
unmanned aerial vehicle cell, expressway cell.
Optionally, the communication unit 310 is further configured to receive first configuration information sent by the network device, where the first configuration information is used to indicate the first altitude range and/or the first cell type.
Optionally, the terminal device 300 further includes:
a processing unit 320, configured to obtain MDT related information, RLF related information, CEF related information or measurement report information for the first altitude range and/or the first cell type.
Optionally, the communication unit 310 is further configured to send first indication information to the network device, where the first indication information is used to indicate that the terminal device stores the first information.
Optionally, the communication unit 310 is further configured to receive first request information sent by the network device, where the first request information is used to instruct the terminal device to report the first information.
Optionally, the communication unit 310 is specifically configured to:
the first information is sent to the network device periodically or on an event-triggered basis.
Optionally, the MDT related information includes altitude information of the terminal device 300 and/or cell type information of the terminal device 300.
Optionally, the RLF related information includes altitude information of the terminal device 300 and/or cell type information of the terminal device 300.
Optionally, the CEF-related information comprises altitude information of the terminal device 300 and/or cell type information of the terminal device 300.
Optionally, the measurement report information includes the altitude information of the terminal device 300 and/or the cell type information of the terminal device 300.
Optionally, the terminal device 300 is an unmanned aerial vehicle.
It should be understood that the terminal device 300 according to the embodiment of the present application may correspond to the terminal device in the embodiment of the method of the present application, and the foregoing and other operations and/or functions of each unit in the terminal device 300 are respectively for implementing the corresponding flow of the terminal device in the method 200 shown in fig. 3, and are not described herein for brevity.
Fig. 5 shows a schematic block diagram of a network device 400 according to an embodiment of the application. As shown in fig. 5, the network device 400 includes:
a communication unit 410 for receiving first information for a first altitude range and/or a first cell type sent by a terminal device, wherein,
the first information includes at least one of the following information:
MDT related information, RLF related information, CEF related information or measurement report information.
Optionally, the cell type is divided based on the type of vehicle carried by the terminal device served by the cell, and the cell type includes the first cell type.
Optionally, the first cell type includes at least one of:
unmanned aerial vehicle cell, expressway cell.
Optionally, the communication unit 410 is further configured to send first configuration information to the terminal device, where the first configuration information is used to indicate the first altitude range and/or the first cell type.
Optionally, the communication unit 410 is further configured to receive first indication information sent by the terminal device, where the first indication information is used to indicate that the terminal device stores the first information;
the communication unit 410 is further configured to send first request information to the terminal device, where the first request information is used to instruct the terminal device to report the first information.
Optionally, the communication unit 410 is specifically configured to:
the first information sent by the terminal device periodically or on an event-triggered basis is received.
Optionally, the MDT related information includes altitude information of the terminal device and/or cell type information of the terminal device.
Optionally, the RLF related information comprises altitude information of the terminal device and/or cell type information of the terminal device.
Optionally, the CEF-related information comprises altitude information of the terminal device and/or cell type information of the terminal device.
Optionally, the measurement report information includes altitude information of the terminal device and/or cell type information of the terminal device.
Optionally, the terminal device is an unmanned aerial vehicle.
It should be understood that the network device 400 according to the embodiment of the present application may correspond to the network device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the network device 400 are respectively for implementing the corresponding flow of the network device in the method 200 shown in fig. 3, which is not described herein for brevity.
Fig. 6 is a schematic block diagram of a communication device 500 according to an embodiment of the present application. The communication device 500 shown in fig. 6 comprises a processor 510, from which the processor 510 may call and run a computer program to implement the method in an embodiment of the application.
Optionally, as shown in fig. 6, the communication device 500 may also include a memory 520. Wherein the processor 510 may call and run a computer program from the memory 520 to implement the method in an embodiment of the application.
Wherein the memory 520 may be a separate device from the processor 510 or may be integrated into the processor 510.
Optionally, as shown in fig. 6, the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, and in particular, may send information or data to other devices, or receive information or data sent by other devices.
Wherein the transceiver 530 may include a transmitter and a receiver. The transceiver 530 may further include antennas, the number of which may be one or more.
Optionally, the communication device 500 may be specifically a network device or a base station in the embodiment of the present application, and the communication device 500 may implement a corresponding flow implemented by the network device or the base station in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the communication device 500 may be specifically a mobile terminal/terminal device according to the embodiment of the present application, and the communication device 500 may implement corresponding processes implemented by the mobile terminal/terminal device in each method according to the embodiment of the present application, which are not described herein for brevity.
Fig. 7 is a schematic structural view of an apparatus of an embodiment of the present application. The apparatus 600 shown in fig. 7 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
Optionally, as shown in fig. 7, the apparatus 600 may further comprise a memory 620. Wherein the processor 610 may call and run a computer program from the memory 620 to implement the method in an embodiment of the application.
The memory 620 may be a separate device from the processor 610 or may be integrated into the processor 610.
Optionally, the apparatus 600 may further comprise an input interface 630. The processor 610 may control the input interface 630 to communicate with other devices or chips, and in particular, may acquire information or data sent by the other devices or chips.
Optionally, the apparatus 600 may further comprise an output interface 640. Wherein the processor 610 may control the output interface 640 to communicate with other devices or chips, and in particular, may output information or data to other devices or chips.
Optionally, the apparatus may be applied to a network device or a base station in the embodiment of the present application, and the apparatus may implement a corresponding flow implemented by the network device or the base station in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the apparatus may be applied to a mobile terminal/terminal device in the embodiment of the present application, and the apparatus may implement a corresponding flow implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein for brevity.
Alternatively, the device according to the embodiment of the present application may be a chip. For example, a system-on-chip or a system-on-chip, etc.
Fig. 8 is a schematic block diagram of a communication system 700 provided in an embodiment of the present application. As shown in fig. 8, the communication system 700 includes a terminal device 710 and a network device 720.
The terminal device 710 may be configured to implement the corresponding functions implemented by the terminal device in the above method, and the network device 720 may be configured to implement the corresponding functions implemented by the network device or the base station in the above method, which are not described herein for brevity.
It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
It will be appreciated that the memory in embodiments of the application may be volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
It should be understood that the above memory is illustrative but not restrictive, and for example, the memory in the embodiments of the present application may be Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), direct RAM (DR RAM), etc. That is, the memory in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
The embodiment of the application also provides a computer readable storage medium for storing a computer program.
Optionally, the computer readable storage medium may be applied to a network device or a base station in the embodiment of the present application, and the computer program causes a computer to execute a corresponding flow implemented by the network device or the base station in each method of the embodiment of the present application, which is not described herein for brevity.
Optionally, the computer readable storage medium may be applied to a mobile terminal/terminal device in the embodiment of the present application, and the computer program causes a computer to execute a corresponding procedure implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, which is not described herein for brevity.
The embodiment of the application also provides a computer program product comprising computer program instructions.
Optionally, the computer program product may be applied to a network device or a base station in the embodiment of the present application, and the computer program instructions cause a computer to execute corresponding flows implemented by the network device or the base station in the methods in the embodiments of the present application, which are not described herein for brevity.
Optionally, the computer program product may be applied to a mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause a computer to execute corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, which are not described herein for brevity.
The embodiment of the application also provides a computer program.
Optionally, the computer program may be applied to a network device or a base station in the embodiment of the present application, and when the computer program runs on a computer, the computer is caused to execute a corresponding flow implemented by the network device or the base station in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the computer program may be applied to a mobile terminal/terminal device in the embodiment of the present application, and when the computer program runs on a computer, the computer is caused to execute corresponding processes implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein for brevity.
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 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 will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in 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. For such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within 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 (24)
1. A method of wireless communication, comprising:
the terminal device sends first information for a first altitude range and a first cell type to the network device, wherein the terminal device is an unmanned aerial vehicle, the first altitude range is an altitude range suitable for unmanned aerial vehicle flight, and the first cell type comprises at least one of an unmanned aerial vehicle cell, a high-speed railway cell and a highway cell, wherein,
the first information includes at least one of the following information:
minimization of drive tests MDT related information, radio link failure RLF related information, connection establishment failure CEF related information;
wherein the method further comprises:
the terminal device performs MDT, RLF, CEF for the first altitude range and the first cell type to obtain MDT related information, RLF related information, CEF related information for the first altitude range and the first cell type;
Wherein the MDT related information comprises height information of the terminal equipment, cell type information of the terminal equipment, a cell RSRP/RSRQ value, a beam RSRP/RSRQ, position information and time information;
wherein the RLF related information includes altitude information of the terminal device, cell type information of the terminal device, RSRP/RSRQ value of a serving cell, and location information;
the CEF related information comprises height information of the terminal equipment, cell type information of the terminal equipment, cell ID of failure, RSRP/RSRQ value of a serving cell, position information, time stamp, number of random access preambles tried and maximum transmitting power;
wherein the terminal device sending first information for a first altitude range and a first cell type to a network device, comprising:
the terminal device sends the first information to the network device based on an event trigger, wherein the event is that the signal quality of a neighbor cell is better than the signal quality of a serving cell by a threshold value.
2. The method according to claim 1, characterized in that the cell type is divided based on the type of vehicle carried by the terminal device served by the cell, said cell type comprising said first cell type.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
the terminal equipment receives first configuration information sent by the network equipment, wherein the first configuration information is used for indicating the first height range and the first cell type.
4. The method according to claim 1 or 2, characterized in that the method further comprises:
the terminal equipment sends first indication information to the network equipment, wherein the first indication information is used for indicating the terminal equipment to store the first information.
5. The method according to claim 4, wherein the method further comprises:
the terminal equipment receives first request information sent by the network equipment, wherein the first request information is used for indicating the terminal equipment to report the first information.
6. A method of wireless communication, comprising:
the network device receives first information sent by the terminal device aiming at a first height range and a first cell type, wherein the terminal device is an unmanned aerial vehicle, the first height range is a height range suitable for the unmanned aerial vehicle to fly, the first cell type comprises at least one of an unmanned aerial vehicle cell, a high-speed railway cell and a highway cell, and the first information comprises at least one of the following information,
The first information includes at least one of the following information:
minimization of drive tests MDT related information, radio link failure RLF related information, connection establishment failure CEF related information;
wherein the MDT related information, RLF related information, CEF related information for the first altitude range and the first cell type are obtained by the terminal device MDT, RLF, CEF for the first altitude range and the first cell type;
wherein the MDT related information comprises height information of the terminal equipment, cell type information of the terminal equipment, a cell RSRP/RSRQ value, a beam RSRP/RSRQ, position information and time information;
wherein the RLF related information includes altitude information of the terminal device, cell type information of the terminal device, RSRP/RSRQ value of a serving cell, and location information;
the CEF related information comprises height information of the terminal equipment, cell type information of the terminal equipment, cell ID of failure, RSRP/RSRQ value of a serving cell, position information, time stamp, number of random access preambles tried and maximum transmitting power;
the network device receives first information sent by a terminal device and aiming at a first height range and a first cell type, and the first information comprises:
The network device receives the first information sent by the terminal device in a trigger mode based on an event, wherein the event is that the signal quality of a neighbor cell is better than the signal quality of a service cell by a threshold value.
7. The method of claim 6, wherein the cell type is based on a type division of a vehicle carried by a terminal device served by the cell, the cell type comprising the first cell type.
8. The method according to claim 6 or 7, characterized in that the method further comprises:
the network device sends first configuration information to the terminal device, wherein the first configuration information is used for indicating the first altitude range and the first cell type.
9. The method according to claim 6 or 7, characterized in that the method further comprises:
the network equipment receives first indication information sent by the terminal equipment, wherein the first indication information is used for indicating the terminal equipment to store the first information;
the network device sends first request information to the terminal device, wherein the first request information is used for indicating the terminal device to report the first information.
10. A terminal device, comprising:
a communication unit for transmitting first information for a first altitude range and a first cell type to a network device, wherein the terminal device is an unmanned aerial vehicle, the first altitude range is an altitude range suitable for unmanned aerial vehicle flight and the first cell type comprises at least one of an unmanned aerial vehicle cell, a highway cell, and an expressway cell, wherein,
the first information includes at least one of the following information:
minimization of drive tests MDT related information, radio link failure RLF related information, connection establishment failure CEF related information;
wherein, the terminal equipment still includes:
a processing unit configured to perform MDT, RLF, CEF for the first altitude range and the first cell type to obtain MDT related information, RLF related information, CEF related information for the first altitude range and the first cell type;
wherein the MDT related information comprises height information of the terminal equipment, cell type information of the terminal equipment, a cell RSRP/RSRQ value, a beam RSRP/RSRQ, position information and time information;
wherein the RLF related information includes altitude information of the terminal device, cell type information of the terminal device, RSRP/RSRQ value of a serving cell, and location information;
The CEF related information comprises height information of the terminal equipment, cell type information of the terminal equipment, cell ID of failure, RSRP/RSRQ value of a serving cell, position information, time stamp, number of random access preambles tried and maximum transmitting power;
wherein, the communication unit is specifically configured to:
and sending the first information to the network equipment based on an event trigger, wherein the event is that the signal quality of a neighbor cell is better than the signal quality of a serving cell by a threshold value.
11. The terminal device of claim 10, wherein the cell type is based on a type division of a vehicle carried by the terminal device served by the cell, the cell type comprising the first cell type.
12. The terminal device according to claim 10 or 11, wherein the communication unit is further configured to receive first configuration information sent by the network device, the first configuration information being used to indicate the first altitude range and the first cell type.
13. The terminal device according to claim 10 or 11, wherein the communication unit is further configured to send first indication information to the network device, the first indication information being configured to indicate that the terminal device stores the first information.
14. The terminal device according to claim 13, wherein the communication unit is further configured to receive first request information sent by the network device, where the first request information is used to instruct the terminal device to report the first information.
15. A network device, comprising:
a communication unit for receiving first information sent by a terminal device for a first altitude range and a first cell type, wherein the terminal device is an unmanned aerial vehicle, the first altitude range is an altitude range suitable for the unmanned aerial vehicle to fly, the first cell type comprises at least one of an unmanned aerial vehicle cell, an expressway cell and an expressway cell, and the first information comprises at least one of a wireless communication device,
the first information includes at least one of the following information:
minimization of drive tests MDT related information, radio link failure RLF related information, connection establishment failure CEF related information;
wherein the MDT related information, RLF related information, CEF related information for the first altitude range and the first cell type are obtained by the terminal device MDT, RLF, CEF for the first altitude range and the first cell type;
wherein the MDT related information comprises height information of the terminal equipment, cell type information of the terminal equipment, a cell RSRP/RSRQ value, a beam RSRP/RSRQ, position information and time information;
Wherein the RLF related information includes altitude information of the terminal device, cell type information of the terminal device, RSRP/RSRQ value of a serving cell, and location information;
the CEF related information comprises height information of the terminal equipment, cell type information of the terminal equipment, cell ID of failure, RSRP/RSRQ value of a serving cell, position information, time stamp, number of random access preambles tried and maximum transmitting power;
wherein, the communication unit is specifically configured to:
and receiving the first information sent by the terminal equipment periodically or based on an event trigger, wherein the event is that the signal quality of a neighbor cell is better than the signal quality of a serving cell by a threshold value.
16. The network device of claim 15, wherein the cell type is based on a type division of a vehicle carried by a terminal device served by the cell, the cell type comprising the first cell type.
17. The network device according to claim 15 or 16, wherein the communication unit is further configured to send first configuration information to the terminal device, the first configuration information being used to indicate the first altitude range and the first cell type.
18. The network device of claim 15 or 16, wherein,
the communication unit is further configured to receive first indication information sent by the terminal device, where the first indication information is used to indicate that the terminal device stores the first information;
the communication unit is further configured to send first request information to the terminal device, where the first request information is used to instruct the terminal device to report the first information.
19. A terminal device, comprising: a processor and a memory for storing a computer program, the processor being adapted to invoke and run the computer program stored in the memory, to perform the method according to any of claims 1 to 5.
20. A network device, comprising: a processor and a memory for storing a computer program, the processor being adapted to invoke and run the computer program stored in the memory, to perform the method according to any of claims 6 to 9.
21. An apparatus for wireless communication, comprising: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method according to any one of claims 1 to 5.
22. An apparatus for wireless communication, comprising: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method according to any of claims 6 to 9.
23. A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 5.
24. A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 6 to 9.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/098752 WO2021016970A1 (en) | 2019-07-31 | 2019-07-31 | Wireless communication method, terminal device, and network device |
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| CN113475110B true CN113475110B (en) | 2023-10-31 |
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