A method, device and system for adjusting wireless resource configuration

Abstract

A method, related device and system for adjusting wireless resource configuration. The method may include: a user device detects an overheating problem or the user device detects that the overheating problem has been alleviated, and the user device sends a first message to a network device; the first message is used to notify the network device that the user device has an overheating problem or the overheating problem has been alleviated. The user device receives a response message sent by the network device, and the response message is used to instruct the user device to perform one of the following operations, which operations include: deactivating a secondary service cell (SCell); instructing the user device to activate a secondary service cell; instructing the user device to release a secondary service cell; and instructing the user device to add a secondary service cell. The user device deactivates the secondary service cell, activates the secondary service cell, releases the secondary service cell, or adds a secondary service cell according to the response message. By implementing the above solution, the terminal can solve the overheating problem without disconnecting the network and in compliance with the standard.

Description

[0001] This application is a divisional application. The application number of the original application is 201880006907.5, and the original application date is January 4, 2018. The entire contents of the original application are incorporated into this application by reference. Technical Field

[0002] The present invention relates to the field of communication technology, and in particular to a method for adjusting wireless resource configuration, a related device and a system. Background Art

[0003] Currently, terminals achieve high-speed data transmission through carrier aggregation (CA) and multiple-input multiple-output (MIMO). Carrier aggregation aggregates multiple component carriers (CC) together to increase transmission bandwidth and improve data transmission rate. MIMO uses multiple RF receive chains and multiple RF transmit chains to increase transmission channel capacity, thereby increasing data transmission rate.

[0004] With the evolution of 3GPP standards, from 2CC+2MIMO, 3CC+4MIMO to 4CC+4MIMO, the corresponding carrier aggregation capability and MIMO capability of the terminal are constantly improving, and the corresponding data transmission rate is also constantly improving.

[0005] When the terminal transmits data at high speed, the power consumption continues to increase, which will cause the terminal temperature to rise. Thermal test data shows that under 3CC+4*4MIMO, the terminal temperature will rise to about 53°C within 10 minutes, and the terminal temperature will reach 70-80°C in about 1 hour. If the terminal is not cooled, it will burn the user or cause the terminal to stop running. When the terminal overheats due to high-speed data transmission, it is necessary to reduce the carrier aggregation configuration or MIMO configuration corresponding to the terminal to reduce the data transmission rate, thereby reducing the terminal temperature.

[0006] In the prior art, the carrier aggregation configuration or MIMO configuration of the terminal is reduced through the following two solutions to alleviate the overheating problem of the terminal.

[0007] In the first approach, the following steps are included:

[0008] Step 1: When the terminal temperature reaches a critical value, the terminal initiates a detach process and exits the network.

[0009] Step 2: The terminal initiates an attachment (re-attach) process, accesses the network, and reports to the network device that the terminal currently cannot support the carrier aggregation function or the MIMO function.

[0010] Step 3: The terminal receives the configuration information of the network device and runs in single CC or single MIMO for a period of time. When the heat problem is alleviated, the terminal initiates the detachd process and exits the network.

[0011] Step 4: The terminal initiates a re-attach process, accesses the network, and reports the carrier aggregation configuration or MIMO configuration currently supported by the terminal to the network device.

[0012] Step 5: The terminal receives carrier aggregation configuration information or MIMO configuration information from the network device and operates under multi-CC or multi-MIMO.

[0013] In the first solution, since the carrier aggregation configuration or MIMO configuration supported by the terminal changes, it is necessary to log out of the network and re-register to adjust the carrier aggregation configuration or MIMO configuration to achieve the purpose of cooling. In the first solution, the network logout leads to a poor experience for the terminal user.

[0014] In the second solution, if the terminal overheating problem is caused by the carrier aggregation configuration being too high, the second solution may include the following steps:

[0015] Step 1: When the terminal temperature reaches a critical value, the terminal side autonomously deactivates a certain number of secondary cells (Scells). The terminal reports a channel quality indication (CQI) equal to 0 on the component carrier corresponding to the deactivated Scell, notifying the network device side to deactivate the corresponding Scell.

[0016] Step 2: When the terminal temperature is relieved, the terminal side autonomously activates a certain number of Scells.

[0017] The second solution has the following disadvantages:

[0018] Disadvantage 1: It violates the 3GPP standard. The standard stipulates that the terminal cannot activate / deactivate the Scell ​​locally, and can only activate / deactivate the Scell ​​under the instruction of the system-side network device.

[0019] Disadvantage 2: When the terminal reports CQI=0, the network equipment on the system side may not be able to schedule, resulting in network compatibility issues. Although the 3GPP standard stipulates that the activation / deactivation of Scell ​​is determined by the system side, it does not clearly indicate when the network equipment should activate / deactivate Scell. When to activate / deactivate Scell ​​is determined by the system manufacturer (usually related to the load of the terminal), and different manufacturers have different algorithms. When the terminal reports CQI=0, the network equipment side may not be able to deactivate the corresponding Scell. In the case where the corresponding Scell ​​is autonomously deactivated on the terminal side, network compatibility issues will occur.

[0020] Disadvantage 3: Local deactivation of Scell ​​by the terminal will cause downlink packet loss. The network device may not be able to deactivate the corresponding Scell, resulting in the disadvantage of activation, deactivation, and activation cycles, which cannot achieve the purpose of thermal relief. Summary of the invention

[0021] The embodiments of the present application provide a method, a related device and a system for adjusting wireless resource configuration, which solve the overheating problem of the terminal by adjusting the wireless resource configuration of the terminal.

[0022] In a first aspect, an embodiment of the present application provides a method for adjusting wireless resource configuration. The method includes:

[0023] The user equipment detects an overheating problem or the user equipment detects that the overheating problem has been alleviated, and the user equipment sends a first message to the network equipment; the first message is used to notify the network equipment that the user equipment has an overheating problem or the overheating problem has been alleviated. The user equipment receives a response message sent by the network equipment, and the response message is used to instruct the user equipment to perform one of the following operations, the operations including: deactivating a secondary service cell (Sencondary Cell, SCell); instructing the user equipment to activate a secondary service cell; instructing the user equipment to release a secondary service cell; and instructing the user equipment to add a secondary service cell. The user equipment deactivates the secondary service cell, activates the secondary service cell, releases the secondary service cell, or adds a secondary service cell according to the response message.

[0024] In combination with the first aspect, optionally, when the user equipment detects the overheating problem, the first message includes auxiliary information. The auxiliary information includes: the number of activated downlink SCells supported by the user equipment and / or the number of activated uplink SCells supported by the user equipment.

[0025] In combination with the first aspect and any of the foregoing possible implementations, when the user equipment detects that the overheating problem is alleviated, the first message does not include auxiliary information.

[0026] In conjunction with the first aspect, optionally, when the user equipment initiates the first message reporting process, the user equipment starts or restarts a first timer. The length of the first timer is configured by the network device for the user equipment.

[0027] In combination with the first aspect, optionally, if the content of the current first message is different from the content of the previously reported first message, and the first timer is not running, the user equipment initiates reporting of the first message.

[0028] In combination with the first aspect, optionally, the user equipment receives first indication information sent by the network equipment, where the first indication information is used to notify the user equipment whether it can report the first message.

[0029] In combination with the first aspect, optionally, the user equipment sends a second message to the network equipment, where the second message includes second indication information, and the second indication information is used to indicate whether the user equipment supports the first message.

[0030] In a second aspect, an embodiment of the present invention provides a method for adjusting radio resource configuration, including:

[0031] The network device receives a first message sent by the user equipment, the first message being used to notify the network device that the user equipment has an overheating problem or that the overheating problem has been alleviated. The network device sends a response message to the user equipment, the response message being used to instruct the user equipment to perform any one of the following operations: deactivating a secondary serving cell, activating a secondary serving cell, releasing a secondary serving cell, and adding a secondary serving cell.

[0032] In combination with the second aspect, optionally, if the first message includes auxiliary information, the first message indicates that the user equipment has detected an overheating problem. The auxiliary information includes: the number of downlink SCells in an activated state supported by the user equipment and / or the number of uplink SCells in an activated state supported by the user equipment. The network device sends a response message to the user equipment, and the response message is used to instruct the user equipment to deactivate the service cell or release the secondary service cell.

[0033] In conjunction with the second aspect, optionally, if the first message does not include auxiliary information, the first message indicates that the user equipment has detected that the overheating problem has been alleviated. The network device sends a response message to the user equipment, and the response message is used to instruct the user equipment to activate the serving cell or add a secondary serving cell.

[0034] In combination with the second aspect, optionally, the network device sends a second message to the user equipment, wherein the second message includes a length value of the first timer. When the user equipment initiates the first message reporting process, the user equipment starts or restarts the first timer. The function of the first timer is that if the content of the current first message is different from the content of the first message reported last time, and the first timer is not running, the user equipment initiates the first message reporting.

[0035] In combination with the second aspect, optionally, the network device sends a third message to the user equipment, and the third message includes indication information for notifying the user equipment whether the overheating problem can be reported.

[0036] In combination with the second aspect, optionally, the third message and the second message are the same message.

[0037] In combination with the second aspect, optionally, the network device receives a fourth message sent by the user equipment, and the fourth message includes indication information for indicating whether the user equipment supports the first message.

[0038] On the third aspect, an embodiment of the present invention provides a user equipment, including: a transmitter, a receiver and a processor. The transmitter and the receiver are connected to the processor via a bus, wherein: the processor detects an overheating problem or the overheating problem has been alleviated, and the transmitter is prepared to send a first message to a network device; the first message is used to notify the network device that the user equipment has an overheating problem or the overheating problem has been alleviated. The receiver receives a response message sent by the network device, and the response message is used to instruct the user equipment to perform one of the following operations, the operations including: deactivating a secondary service cell (SCell); instructing the user equipment to activate a secondary service cell; instructing the user equipment to release a secondary service cell; and instructing the user equipment to add a secondary service cell. The processor activates the corresponding secondary service cell according to the response message, or activates the secondary service cell, or releases the secondary service cell, or adds a secondary service cell.

[0039] In conjunction with the third aspect, optionally, when the processor detects the overheating problem, the first message includes auxiliary information. The auxiliary information includes: the number of activated downlink SCells supported by the user equipment and / or the number of activated uplink SCells supported by the user equipment.

[0040] In combination with the third aspect, optionally, when the processor detects that the overheating problem is alleviated, the first message does not include auxiliary information.

[0041] In conjunction with the third aspect, optionally, when the transmitter initiates the first message reporting process, the processor starts or restarts a first timer. The length of the first timer is configured by the network device for the user equipment.

[0042] In combination with the third aspect, optionally, if the content of the current first message is different from the content of the previously reported first message, and the first timer is not running, the transmitter initiates reporting of the first message.

[0043] In combination with the third aspect, optionally, the receiver receives first indication information sent by the network device, where the first indication information is used to notify the user equipment whether it can report the first message.

[0044] In combination with the third aspect, optionally, the transmitter sends a second message to the network device, where the second message includes second indication information, and the second indication information is used to indicate whether the user equipment supports the first message.

[0045] In a fourth aspect, an embodiment of the present invention provides a network device, comprising: a transmitter, a receiver, and a processor. The transmitter and the receiver are connected to the processor via a bus, wherein: the receiver receives a first message sent by the user equipment, and the first message is used to notify the network device that the user equipment has an overheating problem or the overheating problem has been alleviated. The transmitter sends a response message to the user equipment, and the response message is used to instruct the user equipment to perform any one of the following operations: deactivate a secondary service cell, activate a secondary service cell, release a secondary service cell, and add a secondary service cell.

[0046] In combination with the fourth aspect, optionally, if the first message contains auxiliary information, the first message indicates that the user equipment has detected an overheating problem; the auxiliary information includes: the number of activated downlink SCells supported by the user equipment and / or the number of activated uplink SCells supported by the user equipment; the transmitter sends a response message to the user equipment, and the response message is used to instruct the user equipment to deactivate this service cell or release the secondary service cell.

[0047] In combination with the fourth aspect, optionally, if the first message does not contain auxiliary information, the first message indicates that the user equipment detects that the overheating problem has been alleviated; the transmitter sends a response message to the user equipment, and the response message is used to instruct the user equipment to activate this service cell or add a secondary service cell.

[0048] In conjunction with the fourth aspect, optionally, the transmitter sends a second message to the user equipment, wherein the second message includes a length value of a first timer. When the transmitter initiates the first message reporting process, the user equipment starts or restarts the first timer. The function of the first timer is that if the content of the current first message is different from the content of the first message reported last time, and the first timer is not running, the transmitter initiates the first message reporting.

[0049] In combination with the fourth aspect, optionally, the network device sends a third message to the user equipment, and the third message includes indication information for notifying the user equipment whether the overheating problem can be reported.

[0050] In combination with the fourth aspect, optionally, the third message and the second message are the same message.

[0051] In combination with the fourth aspect, optionally, the receiver receives a fourth message sent by the user equipment, and the fourth message includes indication information for indicating whether the user equipment supports the first message.

[0052] In a fifth aspect, an embodiment of the present invention provides a communication system, comprising: a user device and a network device, wherein: the user device is any optional user device in the third aspect, and the network device is any optional network device in the fourth aspect.

[0053] In a sixth aspect, a computer-readable storage medium is provided, on which a program code for implementing the method for configuring wireless resources described in the first aspect is stored, and the program code includes execution instructions for running the method for configuring wireless resources described in the first aspect.

[0054] In a seventh aspect, a computer-readable storage medium is provided, on which a program code for implementing the method for configuring wireless resources described in the second aspect is stored, and the program code includes execution instructions for running the method for configuring wireless resources described in the second aspect.

[0055] In an eighth aspect, the present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method for wireless resource configuration described in the first aspect above.

[0056] In a ninth aspect, the present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method for wireless resource configuration described in the second aspect above.

[0057] By implementing the embodiments of the present invention, when an overheating problem occurs in a terminal, the terminal can reduce the wireless resource configuration according to the instructions of the network device without disconnecting the network and complying with the provisions of the standard to alleviate the overheating problem. When the overheating problem is alleviated, the terminal can increase the wireless resource configuration according to the instructions of the network device without disconnecting the network and complying with the provisions of the standard to achieve high-speed data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the background technology, the drawings required for use in the embodiments of the present invention or the background technology will be described below.

[0059] Figure 1 It is a schematic diagram of the architecture of a communication system involved in this application;

[0060] Figure 1A is a schematic diagram of three types of carrier aggregation involved in this application;

[0061] Figure 2 It is a schematic diagram of the hardware architecture of a terminal provided by this application;

[0062] Figure 3 It is a schematic diagram of the hardware architecture of a network device provided by this application. DETAILED DESCRIPTION

[0063] The embodiments of the present invention are described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0064] Figure 1 The present application shows a schematic diagram of the architecture of a communication system 100 involved in the present application, and the communication system may include: a network device 110 and a terminal 120. The network device 110 and the terminal 120 communicate with each other through a certain air interface technology. The air interface technology may include: existing 2G (such as Global System for Mobile Communications (GSM)), 3G (such as Universal Mobile Telecommunications System (UMTS), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA)), 4G (such as FDD LTE, TDD LTE) and new radio access technology (New Radio Access Technology, New RAT), such as 4.5G and 5G that will be available in the future.

[0065] The network device 110 can be a device for communicating with the terminal 120, and can be a BTS (Base Transceiver Station) in GSM or CDMA, a NB (NodeB) in WCDMA, an evolved base station (evolved Node B, eNB) in LTE, or a relay station, or an in-vehicle device, a wearable device, and an access network device in a future 5G network or an access network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.

[0066] The terminal 120 may include a relay, and anything that can communicate data with a base station can be considered a terminal. The terminal 120 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 wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a mobile station in a future 5G network, or a terminal device in a future evolved PLMN network, etc.

[0067] Currently, the communication system 100 can achieve higher data transmission rates through carrier aggregation CA and MIMO. The following briefly introduces these two technologies.

[0068] Carrier aggregation refers to combining multiple contiguous or non-contiguous component carriers in the same cell into a virtual wider frequency band to increase the data transmission rate between network equipment and terminals. According to the frequency band where the aggregated component carriers are located, carrier aggregation can be divided into three types: intra-band contiguous carrier aggregation, intra-band non-contiguous carrier aggregation and inter-band non-contiguous carrier aggregation.

[0069] like Figure 1A As shown, the first figure shows that intra-band continuous carrier aggregation is achieved by aggregating adjacent component carriers on the same frequency band, the second figure shows that intra-band non-contiguous carrier aggregation is achieved by aggregating non-adjacent component carriers on the same frequency band, and the third figure shows that inter-band non-contiguous carrier aggregation is achieved by aggregating component carriers on different frequency bands.

[0070] For terminals that support carrier aggregation, one terminal corresponds to one serving cell set. A serving cell set includes one primary cell (Pcell) and multiple secondary cells (Scell) corresponding to the terminal, where both Pcell and Scell ​​can be called serving cells. Pcell is the cell that the terminal first accesses, which is determined when the connection is established. It is the main cell for communication between the terminal and the network device and is used to transmit RRC signaling (responsible for RRC communication with the terminal).

[0071] After the Radio Resource Control (RRC) connection is established, the network device can instruct the terminal to add (add) Scell ​​through the RRC connection reconfiguration message (RRCConnectionReconfiguration), that is, instruct the terminal to configure Scell ​​to provide additional wireless resources. Similarly, the network device can instruct the terminal to release (release) Scell ​​in the serving cell set through the RRC connection reconfiguration message, that is, instruct the terminal to configure Scell. It can be understood that, corresponding to the terminal side, the network device side will also perform the operation of configuring or deconfiguring Scell. After performing the operation of configuring or deconfiguring Scell, the network device side also needs to instruct the terminal to configure or deconfigure the corresponding Scell ​​to achieve network compatibility.

[0072] One serving cell (Pcell or Scell) corresponds to one component carrier. When configuring a serving cell for a terminal, the serving cell will be assigned a serving cell index value, and the serving cell index value of the Pcell is always zero.

[0073] Among them, the PCell of a certain terminal is always in an activated state, and the Scell ​​is in a deactivated state when it is added (configured) to the serving cell set corresponding to a certain terminal. When necessary, the terminal can activate or deactivate the Scell ​​in the serving cell set under the instruction of the network device, and the terminal cannot autonomously activate or deactivate the Scell ​​in the serving cell set. It can be understood that, corresponding to the terminal side, the network device side will also perform the operation of activating or deactivating the Scell. After executing the operation of activating or deactivating the Scell, the network device side also needs to instruct the terminal to activate or deactivate the corresponding Scell ​​to achieve network compatibility.

[0074] Specifically, when a certain Scell ​​corresponding to the terminal is in an activated state, the terminal can send and receive data on the component carrier corresponding to the Scell. Further, when a certain uplink Scell ​​corresponding to the terminal is in an activated state, the terminal can send data on the component carrier corresponding to the Scell. When a certain downlink Scell ​​corresponding to the terminal is in an activated state, the terminal can receive data on the component carrier corresponding to the Scell.

[0075] It is understandable that when the number of activated Scells corresponding to a terminal is greater, the carrier aggregation configuration of the terminal is higher and the data transmission rate is faster.

[0076] It is understandable that when the number of Scells configured for a terminal is greater, the number of Scells that can be activated by the terminal is greater, which is equivalent to indirectly increasing the number of activated Scells corresponding to the terminal. Therefore, when the number of Scells configured for a terminal is greater, the carrier aggregation configuration of the terminal is higher, and the data transmission rate is faster.

[0077] MIMO uses multiple RF receive chains and RF transmit chains on the network device side and the terminal side to send and receive data, respectively. This can increase channel capacity and improve the data transmission rate between network devices and terminals without increasing spectrum resources and antenna transmit power.

[0078] For a terminal, one MIMO layer corresponds to a pair of RF transceiver chains. In the current standard, after a terminal reports the maximum number of MIMO layers it supports, it needs to enable at least as many RF transceiver chains as the number of MIMO layers it supports. Network equipment will schedule the terminal to use different MIMO layers to send and receive data at different times.

[0079] It is understandable that when the maximum number of MIMO layers corresponding to a terminal is greater, the MIMO configuration of the terminal is higher, and the data transmission rate is faster.

[0080] exist Figure 1 In the communication system shown, high-speed data transmission is achieved through carrier aggregation and MIMO. When running under high-speed data transmission, the terminal will have an overheating problem. At this time, it is necessary to reduce the data transmission rate of the terminal by reducing the carrier aggregation configuration or MIMO configuration of the terminal to solve the overheating problem of the terminal. After the overheating problem of the terminal is alleviated, it is necessary to increase the carrier aggregation configuration or MIMO configuration to achieve the highest possible data transmission rate.

[0081] In the prior art, the wireless resource configuration of the terminal is reduced by the process of network withdrawal and re-registration, or by autonomously deactivating the Scell ​​on the terminal side. However, the network withdrawal and network access process may cause the terminal to be disconnected from the network, resulting in poor user experience. In addition, autonomously deactivating the Scell ​​on the terminal side violates the relevant provisions of the 3GPP standard. Therefore, how to reduce the wireless resource configuration of the terminal and alleviate the overheating problem of the terminal under the condition of complying with the relevant provisions of the standard and ensuring that the terminal does not disconnect from the network is an urgent problem to be solved.

[0082] refer to Figure 2 , Figure 2 The terminal 10 provided in some embodiments of the present application is shown. The terminal 10 can be implemented as Figure 1 The terminal 120 in the communication system shown. Figure 2As shown, the terminal 10 may include: an input and output module (including an audio input and output module 118, a key input module 116, and a display 120, etc.), a user interface 102, one or more terminal processors 104, a transmitter 106, a receiver 108, a coupler 110, an antenna 114, and a memory 112. These components may be connected via a bus or other means. Figure 2 Take bus connection as an example.

[0083] The communication interface 101 may be used for the terminal 10 to communicate with other communication devices, such as other terminal devices or base stations.

[0084] The antenna 114 may be used to convert electromagnetic energy in the transmission line into electromagnetic waves in free space, or to convert electromagnetic waves in free space into electromagnetic energy in the transmission line. Figure 2 The terminal is configured with multiple antennas to support the MIMO function. The coupler 110 is used to divide the communication signal received by the antenna 114 into multiple paths and distribute them to multiple receivers 108.

[0085] The transmitter 106 may be configured to perform transmission processing on the signal output by the terminal processor 104 .

[0086] The receiver 108 may be configured to perform reception processing on the signal received by the antenna 114 .

[0087] In some embodiments of the present application, the transmitter 106 and the receiver 108 can be regarded as a wireless modem. In the terminal 10, the number of the transmitter 106 and the number of the receiver 108 can be one or more.

[0088] Apart from Figure 2 In addition to the transmitter 106 and the receiver 108 shown, the terminal 10 may also include other communication components, such as a GPS module, a Bluetooth module, a Wireless Fidelity (Wi-Fi) module, etc.

[0089] The input and output modules can be used to implement the interaction between the terminal 10 and the user / external environment, and can mainly include an audio input and output module 118, a key input module 116, and a display 120. In a specific implementation, the input and output modules can also include: a camera, a touch screen, and a sensor. Among them, the input and output modules all communicate with the terminal processor 104 through the user interface 102.

[0090] The memory 112 is coupled to the terminal processor 104 and is used to store various software programs and / or multiple sets of instructions. In a specific implementation, the memory 112 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more disk storage devices, flash memory devices or other non-volatile solid-state storage devices. The memory 112 can store an operating system (hereinafter referred to as the system), such as an embedded operating system such as ANDROID, IOS, WINDOWS, or LINUX. The memory 112 can also store a network communication program, which can be used to communicate with one or more additional devices, one or more terminal devices, and one or more network devices. The memory 112 can also store a user interface program, which can display the content of the application program vividly through a graphical operation interface, and receive user control operations on the application program through input controls such as menus, dialog boxes, and buttons.

[0091] In some embodiments of the present application, the memory 112 may be used to store an implementation program of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application on the terminal 10 side. For the implementation of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application, please refer to the subsequent embodiments.

[0092] The terminal processor 104 can be used to read and execute computer-readable instructions. Specifically, the terminal processor 104 can be used to call a program stored in the memory 112, such as an implementation program of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application on the terminal 10 side, and execute the instructions contained in the program.

[0093] Need to explain, Figure 2 The terminal 10 shown is only one implementation of the embodiment of the present invention. In actual applications, the terminal 10 may also include more or fewer components, which is not limited here.

[0094] refer to Figure 3 , Figure 3 The network device 20 provided by some embodiments of the present application is shown. The network device 20 can be implemented as Figure 1 The network device 110 in the communication system shown. Figure 3 As shown, the network device 20 may include: a communication interface 203, one or more network device processors 201, a transmitter 207, a receiver 209, a coupler 211, an antenna 213 and a memory 205. These components may be connected via a bus or other means. Figure 3 Take bus connection as an example.

[0095] The communication interface 203 can be used for the network device 20 to communicate with other communication devices, such as other terminals or other network devices. In a specific implementation, the communication interface 203 can be a network communication interface, such as an LTE (4G) communication interface, a 5G or future new air interface communication interface. Not limited to wireless communication interfaces, the network device 20 can also be configured with a wired communication interface to support wired communication, for example, a backhaul link between a network device 20 and other network devices 20 is a wired communication connection.

[0096] Antenna 213 can be used to convert electromagnetic energy in the transmission line into electromagnetic waves in free space, or convert electromagnetic waves in free space into electromagnetic energy in the transmission line. Figure 3 In the embodiment, the network device 20 is provided with multiple antennas to support the MIMO function. The coupler 211 can be used to divide the communication signal into multiple paths and distribute them to multiple receivers 209.

[0097] The transmitter 207 can be used to perform transmission processing on the signal output by the network device processor 201, and is used to transmit the signal to other network devices or other terminals. The receiver 209 can be used to perform reception processing on the signal received by the antenna 213, and is used to receive the signal transmitted by other network devices or other terminals. In some embodiments of the present application, the transmitter 207 and the receiver 209 can be regarded as a wireless modem. In the network device 20, the number of the transmitter 207 and the receiver 209 can be one or more.

[0098] The memory 205 is coupled to the network device processor 201 and is used to store various software programs and / or multiple sets of instructions. In a specific implementation, the memory 205 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more disk storage devices, flash memory devices or other non-volatile solid-state storage devices. The memory 205 can store an operating system (hereinafter referred to as system), such as an embedded operating system such as uCOS, VxWorks, RTLinux, etc. The memory 205 can also store a network communication program, which can be used to communicate with one or more additional devices, one or more terminal devices, and one or more network devices.

[0099] In some embodiments of the present application, the memory 205 may be used to store an implementation program of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application on the network device 20 side. For the implementation of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application, please refer to the subsequent embodiments.

[0100] The network device processor 201 can be used to manage wireless channels, establish and remove calls and communication links, and control the handover of user equipment in the control area. In specific implementation, the network device processor 201 may include: Administration Module / Communication Module (AM / CM) (a center for voice channel switching and information exchange), Basic Module (BM) (for completing call processing, signaling processing, wireless resource management, wireless link management and circuit maintenance functions), Transcoder and SubMultiplexer (TCSM) (for completing multiplexing, demultiplexing and code conversion functions), etc.

[0101] In the embodiment of the present invention, the network device processor 201 can be used to read and execute computer-readable instructions. Specifically, the network device processor 201 can be used to call a program stored in the memory 205, such as an implementation program of the method for adjusting the wireless resource configuration provided by one or more embodiments of the present application on the network device 20 side, and execute the instructions contained in the program.

[0102] In a specific implementation, the network device 20 can be implemented as a base transceiver station, a wireless transceiver, a basic service set (BSS), an extended service set (ESS), NodeB, eNodeB, etc. The network device 20 can be implemented as several different types of base stations, such as a macro base station, a micro base station, etc. The network device 20 can support different wireless technologies, such as a cell wireless access technology, or a WLAN wireless access technology, etc.

[0103] Need to explain, Figure 3 The network device 20 shown is only one implementation of the embodiment of the present invention. In actual applications, the network device 20 may also include more or fewer components, which is not limited here.

[0104] Based on the application scenarios, terminals 10 and network devices 20 in the aforementioned communication system 100, when the terminal achieves high-speed data transmission through carrier aggregation or MIMO and an overheating problem occurs, in order to alleviate the overheating problem of the terminal, an embodiment of the present invention provides a method for adjusting wireless resource configuration.

[0105] The main inventive principles of this application may include:

[0106] When an overheating problem occurs in the terminal, the terminal reports a message to the network device for requesting the network device to reduce the terminal's wireless resource configuration. Correspondingly, after receiving the message, the network device sends a message to the terminal instructing the terminal to reduce the wireless resource configuration. Correspondingly, after receiving the message sent by the network device, the terminal reduces the wireless resource configuration to alleviate the overheating problem.

[0107] After the overheating problem is alleviated, the terminal reports a message to the network device for requesting the network device to improve the terminal's wireless resource configuration. Correspondingly, after receiving the message, the network device sends a message to the terminal instructing the terminal to improve the wireless resource configuration. Correspondingly, after receiving the message sent by the network device, the terminal improves the wireless resource configuration according to the message to achieve high-speed data transmission. In this way, the terminal can alleviate the overheating problem without disconnecting the network, and achieve the highest possible data transmission rate after the overheating problem is alleviated.

[0108] In the present application, the message reported by the terminal to the network device when an overheating problem occurs or the overheating problem is alleviated can be called a first message, and the message sent by the network device to the terminal can be called a response message.

[0109] The technical solution is further described in detail below through specific embodiments.

[0110] Embodiment 1

[0111] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0112] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0113] Step 2: When the UE determines that the problem can be solved by reducing the number of activated Scells, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station that an overheating problem has occurred or the overheating problem has been solved. The overheating problem indication message reported to the base station includes an auxiliary information. The content of the auxiliary information includes:

[0114] Option 1: the number of activated Scells supported by the UE, or the number of activated downlink Scells supported by the UE and / or the number of activated uplink Scells supported by the UE;

[0115] Furthermore, the auxiliary information may include more detailed information. For example, the number of SCells may be the number of Scells on an intra-band contiguous CC, and / or the number of Scells on an intra-band non-contiguous CC, and / or the number of Scells on an inter-band non-contiguous CC.

[0116] Option 2: The UE wishes to keep the SCellIndex of the SCell in the activated state, or wishes to keep the SCellIndex of the SCell in the activated downlink state and / or wishes to keep the SCellIndex of the Scell ​​in the activated uplink state;

[0117] Option 3: The number of SCells that the UE wishes to deactivate, or the number of downlink Scells that the UE wishes to deactivate and / or the number of uplink SCells that the UE wishes to deactivate;

[0118] Furthermore, the auxiliary information may include more detailed information. For example, the number of SCells may be the number of Scells on an intra-band contiguous CC, and / or the number of Scells on an intra-band non-contiguous CC, and / or the number of Scells on an inter-band non-contiguous CC.

[0119] Option 4: SCellIndex of the SCell that the UE wishes to deactivate, or the SCellIndex of the downlink Scell ​​that the UE wishes to deactivate and / or the SCellIndex of the uplink Scell ​​that the UE wishes to deactivate;

[0120] Option 5: Indicates that the overheating problem is caused by too many currently activated carriers.

[0121] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0122] Option 6: the number of configured component carriers / serving cells / Scells that the UE can support, or the number of configured downlink component carriers / serving cells / Scells that the UE can support and / or the number of configured uplink component carriers / serving cells / Scells that the UE can support;

[0123] Furthermore, the content of the auxiliary information may also include more detailed information. For example, the number of component carrier / serving cell / Scell ​​may be divided into: the number of intra-band contiguous CC / serving cell / Scell, and / or the number of intra-band non-contiguous CC / serving cell / Scell, and / or the number of inter-band non-contiguous CC / serving cell / Scell.

[0124] Option 7: SCellIndex of the configured SCell that the UE can support, or SCellIndex of the configured downlink SCell that the UE can support and / or SCellIndex of the configured uplink SCell that the UE can support.

[0125] Option 8: the number of component carriers / serving cells / Scells that the UE wishes to release, or the number of downlink component carriers / serving cells / Scells that the UE wishes to release and / or the number of uplink component carriers / serving cells / Scells that the UE wishes to release;

[0126] Furthermore, the content of the auxiliary information may also include more detailed information. For example, the number of component carrier / serving cell / Scell ​​may be divided into: the number of intra-band contiguous CC / serving cell / Scell, and / or the number of intra-band non-contiguous CC / serving cell / Scell, and / or the number of inter-band non-contiguous CC / serving cell / Scell.

[0127] Option 9: SCellIndex of the SCell that the UE wants to release, or the SCellIndex of the downlink SCell that the UE wants to release and / or the SCellIndex of the uplink SCell that the UE wants to release.

[0128] Step 3: After the base station receives the overheating problem indication message reported by the UE, if it contains information about the number of activated Scells that the UE can currently support, the base station decides whether to deactivate the Scell ​​for the UE and which SCells to deactivate, or whether to release the configured component carrier / serving cell / Scell ​​for the UE. If the base station's decision result is to deactivate the Scell ​​for the UE, the medium access control (MAC) layer of the base station generates an activation / deactivation control signaling (Activation / Deactivation MAC CE), which indicates the Scell ​​that needs to be (shall) deactivated, and sends it to the UE. If the base station's decision result is not to deactivate any SCell for the UE, then the base station does not need to send any message to the UE.

[0129] Step 4: After sending the message in Step 2,

[0130] If the UE receives an Activation / Deactivation MAC CE sent by the base station, and the CE indicates a Scell ​​to be deactivated, the UE deactivates the corresponding Scell ​​according to the instruction of the base station.

[0131] If after waiting for a period of time, the UE does not receive the Activation / Deactivation MAC CE containing the Scell ​​deactivation indication sent by the base station, or even if it receives the Activation / Deactivation MAC CE containing the SCell deactivation indication sent by the base station but still does not solve its overheating problem, then the UE can choose to deregister from the network and then reregister. And after reregistration, when receiving the message from the base station asking about its radio access capability, the UE reports its current carrier aggregation capability that can actually be supported to alleviate the heat problem to the base station in the radio access capability reporting message.

[0132] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0133] Step 5: When the UE's heat problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of the message reporting process is to notify the base station that the overheating problem currently occurs or the overheating problem has been resolved. The overheating problem indication message reported to the base station does not contain any auxiliary information.

[0134] Step 6: After the base station receives the overheating problem indication message reported by the UE that does not contain any auxiliary information, the base station learns that the previous overheating problem of the UE has been alleviated, and the base station decides whether to activate more Scells for the UE and which SCells to activate, or whether to add component carrier / serving cell / Scell ​​for the UE. If the decision result of the base station is to activate the Scell ​​for the UE, the MAC layer of the base station generates an Activation / Deactivation MAC CE, which indicates the Scell ​​that needs to be (shall) activated, and sends it to the UE. If the decision result of the base station is not to activate any SCell for the UE, then the base station does not need to send any message to the UE.

[0135] Embodiment 2

[0136] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0137] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0138] Step 2: When the UE determines that the problem can be solved by reducing the number of activated Scells, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station of its updated radio access capabilities. The message reported to the base station includes various band combinations that the UE can currently support and various downlink BandwidthClasses and / or various uplink BandwidthClasses that can be supported on each band in each band combination.

[0139] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0140] Step 3: After receiving the above message reported by the UE, the base station decides whether to accept the updated carrier aggregation capability of the UE, and notifies the UE of the decision result through an RRC message. The message notifying the decision result can be an RRC connection reconfiguration message or a newly defined RRC message. Alternatively, if the base station accepts the updated carrier aggregation capability of the UE, the base station adjusts the number of carriers and carrier frequencies configured for the UE through the RRC connection reconfiguration message, and if the base station rejects the updated carrier aggregation capability of the UE, the base station does not send any message to the UE.

[0141] Step 4: After sending the message in Step 2,

[0142] If the UE receives an RRC connection reconfiguration message sent by the base station to adjust the number of configured carriers and carrier frequencies, the UE performs carrier reconfiguration according to the instruction of the base station.

[0143] If the RRC message sent by the base station received by the UE indicates that the base station has rejected the UE's updated carrier aggregation capability, or after waiting for a period of time, the UE does not receive the RRC connection reconfiguration message sent by the base station to adjust its number of carriers and carrier frequencies, then the UE can choose to deregister from the network and then reregister. And after reregistration, when receiving a message from the base station asking about its radio access capability, the UE reports its current carrier aggregation capability that can actually be supported to alleviate the heat problem to the base station in the radio access capability reporting message.

[0144] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0145] Step 5: When the UE's heat problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of this message reporting process is to notify the base station of its updated radio access capabilities. The message reported to the base station includes various band combinations that the UE can currently support and the BandwidthClass that can be supported on each band in each band combination, or includes indication information that it can restore the previous carrier aggregation configuration. More specifically, the indication information can be understood as indicating to the base station that it has restored the configuration and activation of the Scell ​​according to the carrier aggregation-related capability information reported in the capability reporting message.

[0146] Step 6: After receiving the above message reported by the UE, the base station decides whether to accept the updated carrier aggregation capability of the UE, and notifies the UE of the decision result through an RRC message. The message notifying the decision result can be the RRC connection reconfiguration message or a newly defined RRC message. Or if the base station accepts the updated carrier aggregation capability of the UE, the base station adjusts the number of carriers and carrier frequencies configured for the UE through the RRC connection reconfiguration message, and if the base station rejects the updated carrier aggregation capability of the UE, the base station does not send any message to the UE.

[0147] Embodiment 3

[0148] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0149] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0150] Step 2: When the UE determines that the problem can be solved by reducing the number of activated Scells, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station that its radio access capability has been updated, triggering the base station to reacquire its updated radio access capability through the existing UE capability acquisition process. The message reported to the base station includes an indication of the UE radio access capability update.

[0151] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0152] Step 3: After receiving the above message reported by the UE, the base station decides whether to re-acquire the updated wireless access capability through the existing UE capability acquisition process.

[0153] Step 4: After sending the message in Step 2,

[0154] If the UE receives the UECapabilityEnquiry message sent by the base station, the UE reports the updated capabilities through UECapabilityInformation. The reported capabilities include at least the UE's updated carrier aggregation capabilities, that is, the various band combinations that the UE can currently support and the BandwidthClass that can be supported on each band in each band combination.

[0155] If the UE does not receive the UECapabilityEnquiry message sent by the base station after waiting for a period of time, the UE can choose to deregister from the network and then reregister. After reregistration, when the UE receives the message from the base station asking about its radio access capabilities, the UE reports the carrier aggregation capabilities that it can actually support to alleviate the heat problem to the base station in the radio access capability reporting message.

[0156] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0157] Step 5: When the UE's heat problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of the message reporting process is to notify the base station that its radio access capability has been updated, triggering the base station to reacquire its updated radio access capability through the existing UE capability acquisition process. The message reported to the base station includes an indication of the UE radio access capability update.

[0158] Step 6: After receiving the above message reported by the UE, the base station decides whether to re-acquire the updated wireless access capability through the existing UE capability acquisition process.

[0159] Embodiment 4

[0160] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0161] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0162] Step 2: When the UE determines that the problem can be solved by shutting down a certain number of RF transceiver chains, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station that an overheating problem has occurred or the overheating problem has been solved. The message reported to the base station includes an auxiliary information. The content of the auxiliary information includes:

[0163] Option 1: The maximum number of downlink MIMO layers and / or uplink MIMO layers currently supported by the UE;

[0164] Option 2: The maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers that the UE can support for each serving cell configured by the base station;

[0165] Option 3: The maximum number of downlink MIMO layers and / or uplink MIMO layers that the UE can support on the frequency band corresponding to each serving cell configured by the base station;

[0166] Option 4: Indicates that the overheating problem is caused by too many maximum downlink MIMO layers and / or uplink MIMO layers that need to be supported.

[0167] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0168] Step 3: After the base station receives the overheating problem indication message reported by the UE, if it contains information about the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers that the UE can currently support, the base station decides whether to reduce the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers of the UE. If the decision result of the base station is to reduce the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers of the UE, the base station reconfigures the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers for the UE through the RRC connection reconfiguration process. If the decision result of the base station is not to reduce the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers of the UE, the base station does not need to send any message to the UE.

[0169] Step 4: After sending the message in Step 2,

[0170] If the UE receives an RRC connection reconfiguration message sent by the base station to reduce its maximum downlink MIMO layer number and / or maximum uplink MIMO layer number, the UE shuts down the corresponding number of RF transceiver chains.

[0171] If, after waiting for a period of time, the UE does not receive the RRC connection reconfiguration message sent by the base station to reduce its maximum number of downlink MIMO layers and / or maximum number of uplink MIMO layers, then the UE can choose to deregister from the network and then reregister. And after reregistration, when receiving the message from the base station asking about its radio access capabilities, the UE reports its current MIMO capabilities that can actually be supported to alleviate the thermal problem to the base station in the radio access capability reporting message.

[0172] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0173] Step 5: When the UE's overheating problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of the message reporting process is to notify the base station that the overheating problem currently occurs or the overheating problem has been resolved. The message reported to the base station does not contain any auxiliary information.

[0174] Step 6: After the base station receives the overheating problem indication message reported by the UE that does not contain any auxiliary information, the base station learns that the previous overheating problem of the UE has been alleviated, and the base station decides whether to restore the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers configured for the UE. If the decision result of the base station is to restore the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers configured for the UE, the base station reconfigures the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers for the UE through the RRC connection reconfiguration process. If the decision result of the base station is not to restore the maximum number of downlink MIMO layers and / or the maximum number of uplink MIMO layers configured for the UE, the base station does not need to send any message to the UE.

[0175] Embodiment 5

[0176] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0177] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0178] Step 2: When the UE determines that the problem can be solved by shutting down a certain number of RF transceiver chains, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station of its updated wireless access capabilities. The message reported to the base station includes the various bands that the UE can currently support and the corresponding downlink MIMO capabilities and / or uplink MIMO capabilities that can be supported under each band, and / or various band combinations and the corresponding downlink MIMO capabilities that can be supported under each supported downlink bandwidthClass on each band in each band combination and / or the corresponding uplink MIMO capabilities that can be supported under each supported uplink bandwidthClass.

[0179] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0180] Step 3: After receiving the above message reported by the UE, the base station decides whether to accept the updated MIMO capability of the UE, and notifies the UE of the decision result through an RRC message. The message notifying the decision result can be the RRC connection reconfiguration message or a newly defined RRC message. Or if the base station accepts the updated MIMO capability of the UE, the base station reconfigures the number of downlink MIMO layers and / or uplink MIMO layers for the UE through the RRC connection reconfiguration message, and if the base station rejects the updated MIMO of the UE, the base station does not send any message to the UE.

[0181] Step 4: After sending the message in Step 2,

[0182] If the UE receives the RRC message sent by the base station to accept its updated MIMO capability, the UE shuts down a corresponding number of radio frequency transceiver chains.

[0183] If the RRC message sent by the base station received by the UE indicates that the base station has rejected the UE's updated MIMO capabilities, or after waiting for a period of time, the UE does not receive the RRC connection reconfiguration message sent by the base station to reconfigure its downlink MIMO layer number and / or uplink MIMO layer number, then the UE can choose to deregister from the network and then reregister. And after reregistration, when receiving a message from the base station asking about its radio access capabilities, the UE reports its current MIMO capabilities that can actually be supported to alleviate thermal issues to the base station in the radio access capability reporting message.

[0184] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0185] Step 5: When the UE's heat problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of this message reporting process is to notify the base station of its updated wireless access capabilities. The message reported to the base station includes the various bands that the UE can currently support and the corresponding downlink MIMO capabilities that can be supported under each band, and / or uplink MIMO capabilities. The various band combinations that the UE can currently support and the corresponding downlink MIMO capabilities that can be supported under each supported downlink bandwidthClass on each band in each band combination and / or the corresponding uplink MIMO capabilities that can be supported under each supported uplink bandwidthClass.

[0186] Step 6: After receiving the above message reported by the UE, the base station decides whether to accept the updated MIMO capability of the UE, and notifies the UE of the decision result through an RRC message. The message notifying the decision result can be the RRC connection reconfiguration message or a newly defined RRC message. Alternatively, if the base station accepts the updated MIMO capability of the UE, the base station reconfigures the number of downlink MIMO layers and / or uplink MIMO layers for the UE through the RRC connection reconfiguration message, and if the base station rejects the updated MIMO of the UE, the base station does not send any message to the UE.

[0187] Embodiment 6

[0188] Step 1: When the UE detects an overheating problem, the UE determines the cause of the problem.

[0189] How the UE detects the overheating problem and how it determines the cause of the overheating problem is determined by the user equipment implementation.

[0190] Step 2: When the UE determines that the problem can be solved by shutting down a certain number of RF transceiver chains, the RRC layer of the UE triggers a message reporting process. The purpose of the message reporting process is to notify the base station that its radio access capability has been updated, triggering the base station to reacquire its updated radio access capability through the existing UE capability acquisition process. The message reported to the base station includes an indication of the UE radio access capability update.

[0191] The conditions under which the UE triggers the message reporting process (for example, the UE temperature reaches a certain degree) are determined by the user equipment implementation.

[0192] Step 3: After receiving the above message reported by the UE, the base station decides whether to re-acquire the updated wireless access capability through the existing UE capability acquisition process.

[0193] Step 4: After sending the message in Step 2,

[0194] If the UE receives the UECapabilityEnquiry message sent by the base station, the UE reports the updated capabilities through UECapabilityInformation. The reported capabilities include at least the updated MIMO capabilities of the UE, that is, the various band combinations that the UE can currently support and the corresponding downlink MIMO capabilities that can be supported under each supported downlink bandwidthClass on each band in each band combination and / or the corresponding uplink MIMO capabilities that can be supported under each supported uplink bandwidthClass.

[0195] If the UE does not receive the UECapabilityEnquiry message sent by the base station after waiting for a period of time, the UE can choose to deregister from the network and then reregister. After reregistration, when the UE receives the message from the base station asking about its radio access capabilities, the UE reports the MIMO capabilities that it can actually support to alleviate the thermal problem to the base station in the radio access capability reporting message.

[0196] The length of the waiting time is determined by the UE implementation or configured by the base station through dedicated RRC signaling or system information or pre-specified in the standard.

[0197] Step 5: When the UE's heat problem is alleviated without deregistering and reregistering from the network, the UE's RRC layer triggers a message reporting process. The purpose of the message reporting process is to notify the base station that its radio access capability has been updated, triggering the base station to reacquire its updated radio access capability through the existing UE capability acquisition process. The message reported to the base station includes an indication of the UE radio access capability update.

[0198] Step 6: After receiving the above message reported by the UE, the base station decides whether to re-acquire the updated wireless access capability through the existing UE capability acquisition process.

[0199] The carrier aggregation-related auxiliary information and MIMO-related auxiliary information in the above embodiment may be simultaneously included in the message reported by the UE.

[0200] For the method of UE reporting message described in embodiments 1 to 6, in some optional embodiments, the network device may also notify the user equipment whether it can report the message. In this application, the network device may notify the terminal whether it can report the first message through the following two methods.

[0201] 1. The base station notifies the UE whether it supports the message reporting process initiated by the UE through dedicated RRC signaling. The message reporting process initiated by the UE may be any one of the message reporting processes in Embodiment 1 to Embodiment 6. The notification method may be a displayed indication method, that is, notifying the UE whether the message reporting process can be initiated through one indication information; or notifying the UE whether it can initiate the message reporting process for carrier aggregation, and / or whether the UE can initiate the message reporting process for MIMO through two information indications. In addition, a condition may be specified for whether the base station notifies the UE of the indication information. That is, when the base station configures carrier aggregation and / or MIMO functions for the UE, the indication information must be configured; otherwise, the base station does not configure the indication information.

[0202] 2. The base station notifies the UE through system information whether it supports the message reporting process initiated by the UE. The message reporting process initiated by the UE can be any one of the message reporting processes in Example 1 to Example 6. The notification method can be a displayed indication method, that is, notifying the UE whether the message reporting process can be initiated through an indication information; or notifying the UE whether the message reporting process for carrier aggregation can be initiated through two information indications, and / or whether the UE can initiate the message reporting process for MIMO. In addition, a condition can be specified for whether the base station notifies the UE of the indication information. That is, when the base station configures carrier aggregation and / or MIMO functions for the UE, the indication information must be configured; otherwise, the base station does not configure the indication information.

[0203] For the method of UE reporting message described in embodiments 1 to 6, in some optional embodiments, in order to control the frequency of user equipment reporting messages to the network device, it is necessary to configure a timer for the UE, and the function of the timer is to control whether the UE can initiate the transmission of the message in the message reporting process. The message reporting process initiated by the UE can be any one of the message reporting processes in embodiments 1 to 7. The specific implementation method is as follows:

[0204] When the UE needs to initiate any one of the message reporting processes in Embodiments 1 to 6, if the content of the message to be reported is the same as the content of the message reported in the message reporting process initiated last time, the user equipment cannot initiate the message reporting process. If the content of the message to be reported is different from the content of the message reported in the message reporting process initiated last time, the UE checks whether a timer configured by the base station for the UE to control its initiation of the above message reporting is running. If the timer is running, the UE cannot initiate the currently required message reporting process; otherwise, if the timer is not running, the UE can initiate the currently required message reporting process.

[0205] When the UE initiates the message reporting process, the timer used to control the UE to initiate the message reporting is started or restarted.

[0206] The above method also includes the following features.

[0207] If the timer in this embodiment is configured by the base station, the UE can use whether the base station configures the timer for it as an implicit indication of whether the base station supports the message reporting process initiated by the UE described in Embodiments 1 to 6. That is, when the UE receives the timer configured by the base station for it, the UE can initiate the message reporting process; otherwise, the UE cannot initiate the message reporting process.

[0208] The length of the timer may be configured by the base station, or may be a value predetermined in the protocol. If configured by the base station, the base station may configure it through dedicated signaling or in a system message. If configured through dedicated signaling, the indication information used to notify the UE whether to initiate the message reporting process of Embodiments 1 to 6 may be configured in the same message at the same time, or only the length of the timer may be configured without configuring the indication information.

[0209] For the method for UE reporting a message described in embodiments 1 to 6, if the user equipment switches from one base station to another, the above method may add some steps accordingly. Here, the following two implementation methods are proposed.

[0210] When the source base station of the UE triggers the UE to perform a handover, if before this, the source base station has received a message reported by the UE in Step 2 in any one of the methods in Embodiments 1 to 6, the source base station includes the message reported by the UE in the handover request message sent to the target base station. For example, it can be included as an item in the access layer context (AS context) information in the handover preparation message.

[0211] In addition, when the source base station of the UE triggers the UE to perform a handover, the source base station also includes, in the handover request message sent to the target base station, the indication information configured by the source base station for the UE to notify the UE whether it can initiate the message reporting process of embodiments 1 to 6 and / or the value of the timer for controlling whether the UE can initiate the message transmission in the message reporting process of embodiments 1 to 6. For example, the message can be included as an item in the ASConfig information in the handover preparation message.

[0212] When the UE receives an RRC connection reconfiguration message containing MobilityControlInfo sent by the current serving cell, if T ms before that, the UE sent the message reported in Step 2 to the serving cell through any one of Embodiments 1 to 6, if the UE's target cell also supports the UE initiating a message reporting process in any one of Embodiments 1 to 6, the UE initiates a message reporting process in the new serving cell through any one of Embodiments 1 to 6.

[0213] The length of T may be a value predetermined in the protocol, or may be configured by the base station through a dedicated message or a system message.

[0214] In an optional embodiment, after the user equipment accesses the network, when the UE supports the message reporting capability, the UE needs to include indication information that it supports the above message reporting in the wireless capability reporting message.

[0215] The base station may determine, based on the indication information included in the capability message reported by the UE, which UEs the indication information and / or timer value configuration on the base station side needs to be sent to.

[0216] Carrier aggregation was introduced in Release 10 of the 3GPP standard. Since then, CA+MIMO products have been continuously pursuing high speeds and upgrading to meet market demand. The CAT level of user equipment products has been continuously upgraded, and in the future, it will be over 1G CAT16 level products. Compared with the increase in product speed, the appearance of user equipment products has developed towards being smaller and thinner; and the control of CA and MIMO by the 3GPP standard is a unidirectional guidance of the network, and the user equipment is passively executed. The disadvantage of this system-side unidirectional control of CA+MIMO causes the UE to be unable to do business according to the actual situation. In the high-speed mode, because the number of RF and baseband channels increases the burden on related devices, the problems of heat and power consumption cannot be alleviated, resulting in the user equipment being unable to enjoy high-speed services, and the network capacity cannot be scheduled according to the user equipment situation, resulting in a waste of resources. By implementing the embodiments of the present invention, when the user equipment has an overheating problem, it can realize dynamic, active, and online control of CA and MIMO, bringing an excellent communication experience, and contributing to the reasonable scheduling of UE on the system side. At the same time, it provides a new, smaller and thinner design foundation for the user equipment appearance due to power consumption and heat balance.

[0217] The relevant parts between the various method embodiments of the present invention can be referenced to each other; the device provided by each device embodiment is used to execute the method provided by the corresponding method embodiment, so each device embodiment can be understood by referring to the relevant parts of the relevant method embodiments.

[0218] The names of the messages / frames, modules or units provided in the embodiments of the present invention are merely examples, and other names may be used as long as the functions of the messages / frames, modules or units are the same.

[0219] A person skilled in the art can understand that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a readable storage medium of a device. When the program is executed, it includes all or part of the above-mentioned steps, and the storage medium, such as FLASH, EEPROM, etc.

[0220] In summary, by implementing the embodiments of the present invention, when an overheating problem occurs in a terminal, the terminal can reduce the wireless resource configuration according to the instructions of the network device without disconnecting the network and complying with the standard provisions, thereby alleviating the overheating problem. When the overheating problem is alleviated, the terminal can increase the wireless resource configuration according to the instructions of the network device without disconnecting the network and complying with the standard provisions, thereby achieving high-speed data transmission.

[0221] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in this application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website site, computer, server or data center to another website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) mode. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integration. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state hard disk Solid State Disk), etc.

Claims

1. A communication method, applied to a user equipment UE, characterized in that: The method comprises: When an overheating problem is detected and it is determined that the maximum number of multiple-input multiple-output MIMO layers needs to be reduced, a first message is sent to a network device, wherein the first message indicates to the network device that the UE has an overheating problem, and the first message includes auxiliary information, and the auxiliary information includes a maximum number of MIMO layers that the UE can currently support; A second message is received from the network device, where the second message indicates reconfiguring a maximum number of MIMO layers.

2. The method according to claim 1, characterized in that The maximum number of MIMO layers that the UE can currently support includes: the maximum number of MIMO layers configured by the UE in each serving cell.

3. The method according to claim 1, characterized in that The maximum number of MIMO layers that the UE can currently support includes: the maximum number of MIMO layers configured by the UE in the frequency band corresponding to each serving cell.

4. The method according to claim 1, characterized in that The method further comprises: A corresponding number of RF receiving chains and / or a corresponding number of RF transmitting chains are shut down according to the second message.

5. The method according to claim 1, characterized in that The auxiliary information also includes: The number of configured downlink SCells that the UE can support and / or the number of configured uplink SCells that the UE can support.

6. The method according to claim 5, characterized in that The second message further instructs the UE to release the secondary serving cell; The method further includes: releasing the secondary serving cell.

7. The method according to claim 1, characterized in that The method further comprises: When it is detected that the overheating problem has been alleviated, a third message is sent to the network device, wherein the third message is used to notify the network device that the overheating problem of the UE has been alleviated, and the third message does not include the auxiliary information.

8. The method according to any one of claims 1 to 7, characterized in that The method further comprises: When the UE initiates sending of the first message, the UE starts or restarts a first timer; The length of the first timer is configured by the network device for the UE.

9. The method according to claim 8, characterized in that Before the UE sends the first message, the method further includes: If the content of the current first message is different from the content of the previously sent first message and the first timer is not running, the UE initiates sending of the first message.

10. The method according to any one of claims 1 to 7, characterized in that The method further comprises: Receive first indication information from the network device, where the first indication information notifies the UE that the first message can be sent.

11. The method according to any one of claims 1 to 7, characterized in that The method further comprises: Sending second indication information to the network device, where the second indication information indicates that the UE supports the first message.

12. The method according to any one of claims 1 to 7, characterized in that The maximum number of MIMO layers includes: a maximum number of downlink MIMO layers and / or a maximum number of uplink MIMO layers.

13. A communication method, applied to a network device, characterized in that: The method comprises: Receiving a first message from a user equipment (UE), wherein the first message notifies the network device that the UE has an overheating problem; the first message includes auxiliary information, and the auxiliary information includes a maximum number of multiple-input multiple-output (MIMO) layers that the UE can currently support; A second message is sent to the UE, where the second message instructs the UE to reconfigure a maximum number of MIMO layers.

14. The method according to claim 13, characterized in that The maximum number of MIMO layers that the UE can currently support includes: the maximum number of MIMO layers configured by the UE in each serving cell.

15. The method according to claim 13, characterized in that The maximum number of MIMO layers that the UE can currently support includes: the maximum number of MIMO layers configured by the UE in the frequency band corresponding to each serving cell.

16. The method according to claim 13, characterized in that The auxiliary information also includes: The number of configured downlink SCells that the UE can support and / or the number of configured uplink SCells that the UE can support.

17. The method according to claim 16, characterized in that The second message also instructs the UE to release the secondary serving cell.

18. The method according to claim 13, characterized in that The method further comprises: The network device receives a third message sent by the UE, wherein the third message notifies the network device that the overheating problem of the UE has been alleviated, and the third message does not include the auxiliary information.

19. The method according to claim 13, characterized in that The method further comprises: The network device sends first indication information to the UE, where the first indication information notifies the UE that the first message can be sent.

20. The method according to claim 13, characterized in that The method further comprises: The network device receives second indication information sent by the UE, where the second indication information indicates that the UE supports the first message.

21. The method according to any one of claims 13 to 20, characterized in that The maximum number of MIMO layers includes: a maximum number of downlink MIMO layers and / or a maximum number of uplink MIMO layers.

22. A communication device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the communication device is used to implement the method according to any one of claims 1 to 12.

23. A communication device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the communication device is used to implement the method according to any one of claims 13 to 21.

24. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed, the method according to any one of claims 1 to 12 is implemented.

25. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed, the method according to any one of claims 13 to 21 is implemented.

26. A computer program product, characterized in that When the computer program product is executed, the method according to any one of claims 1 to 12 is implemented.

27. A computer program product, characterized in that When the computer program product is executed, the method according to any one of claims 13 to 21 is implemented.

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