Method, apparatus and system for sensing user equipment power class change

Abstract

The present disclosure provides a method, device and system for sensing power level change of user equipment, and relates to the field of wireless communication. In the case of determining power level change, the user equipment sends media access control control element information to the radio access network device for reporting power level change information of the user equipment, so that the radio access network device can timely sense the power level change of the user equipment, so that the user equipment and the network side can respond to the change of the uplink transmission power of the user equipment, for example, the radio access network device can allocate resources and control power to the user equipment according to the change, so as to guarantee the uplink transmission and improve the system coverage capability.

Description

Method, device and system for sensing power level changes of user equipment

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the application with CN application number 202311594714.5 and application date November 27, 2023, and claims its priority. The disclosed content of the CN application is hereby introduced as a whole into this application. Technical Field

[0003] The present disclosure relates to the field of wireless communications, and in particular to a method, device, and system for sensing power level changes of user equipment. Background Art

[0004] High-power user equipment (UE) has higher uplink transmit power, which can better guarantee UE uplink access and improve the overall coverage capability of the 5th generation system (5GS).

[0005] However, in 5G systems, due to factors such as waveform design, cell maximum allowed transmit power (P-max) restrictions, low PAPR (Peak to Average Power Ratio) requirements, and UE power limitations, the UE may not be able to achieve maximum transmit power during uplink transmission.

[0006] For example, when the UE uplink duty cycle is too high, if it still transmits at maximum power, it will generate excessive energy radiation, which may cause irreversible damage to the UE components and affect the user's health.

[0007] Therefore, when the UE's uplink duty cycle exceeds a certain threshold, power fallback is inevitable, resulting in a change in power level. Flexible adjustment of UE transmit power based on the uplink duty cycle can not only guarantee uplink transmission performance and improve network coverage, but also minimize the harm of excessive energy radiation to the UE and the human body.

[0008] Summary of the Invention

[0009] Some embodiments of the present disclosure propose a method for sensing a power level change of a user equipment, comprising: when the user equipment determines that the power level has changed, sending a media access control control element information to a wireless access network device to report the power level change information of the user equipment.

[0010] In some embodiments, the user equipment sending the media access control element information to the wireless access network device includes: the user equipment sending power headroom report information to the wireless access network device, the power headroom report information including a reserved field for indicating power level change information of the user equipment.

[0011] In some embodiments, the reserved field includes a first reserved field, which is used to indicate whether an uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0012] In some embodiments, the reserved field includes a second reserved field for indicating a value of a power level change of the user equipment.

[0013] In some embodiments, the user equipment sending the media access control element information to the wireless access network device includes: the user equipment sending power headroom report information to the wireless access network device, the power headroom report information including an extended field for indicating power level change information of the user equipment.

[0014] In some embodiments, the extended field includes a first extended field, which is used to indicate a value of a power level change of the user equipment.

[0015] In some embodiments, the extended field includes a second extended field, which is used to indicate whether an uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0016] In some embodiments, the user equipment sends media access control control element information to the wireless access network device, including: the user equipment sends a new first media access control control element structure to the wireless access network device, including a new first logical channel identifier and new first media access control control element information, the first logical channel identifier is used to indicate the new first media access control control element information, and the first media access control control element information includes an indication field of the power level change of the user equipment.

[0017] In some embodiments, the indication field includes a first indication field for indicating a numerical value of a power level change of the user equipment.

[0018] In some embodiments, the indication field includes a second indication field for indicating whether an uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0019] In some embodiments, the user equipment sends media access control control element information to the wireless access network device, including: the user equipment sends power headroom report information to the wireless access network device, and the power headroom report information includes an extended field for indicating the power level change information of the user equipment and the difference between the current uplink duty cycle of the user equipment and the preset uplink duty cycle threshold.

[0020] In some embodiments, the user equipment sends media access control control element information to the wireless access network device, including: the user equipment sends a new second media access control control element structure to the wireless access network device, including a new second logical channel identifier and new second media access control control element information, the second logical channel identifier is used to indicate the new second media access control control element information, the second media access control control element information includes an indication field of power level change information of the user equipment and an indication field of difference information between the current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

[0021] In some embodiments, the user equipment sending media access control control element information to the wireless access network device includes: the user equipment sending power headroom report information to the wireless access network device, the power headroom report information including an extended field for indicating power level change information of the user equipment and current power level information of the user equipment.

[0022] In some embodiments, the user equipment sending media access control control element information to the wireless access network device includes: the user equipment sending a new third media access control control element structure to the wireless access network device, including a new third logical channel identifier and new third media access control control element information, the third logical channel identifier is used to indicate the new third media access control control element information, and the third media access control control element information includes an indication field of power level change information of the user equipment and an indication field of current power level information of the user equipment.

[0023] In some embodiments, the power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0024] Some embodiments of the present disclosure provide an apparatus for sensing changes in the power level of a user device, comprising: a memory; and a processor coupled to the memory, wherein the processor is configured to execute a method for sensing changes in the power level of a user device based on instructions stored in the memory.

[0025] Some embodiments of the present disclosure provide an apparatus for sensing a change in a power level of a user equipment, including: a module for executing a method for sensing a change in a power level of a user equipment.

[0026] Some embodiments of the present disclosure propose a system for sensing changes in the power level of a user equipment, including: a user equipment configured to execute a method for sensing changes in the power level of the user equipment; and a wireless access network device configured to receive media access control element information sent by the user equipment.

[0027] In some embodiments, the radio access network device is configured to schedule uplink transmission of the user equipment according to power level change information of the user equipment.

[0028] Some embodiments of the present disclosure provide a computer-readable storage medium having a computer program stored thereon. When the program is executed by a processor, the steps of the method for sensing a change in the power level of a user equipment are implemented. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The following briefly introduces the drawings required for describing the embodiments or related technologies. The present disclosure can be more clearly understood based on the following detailed description with reference to the drawings.

[0030] Obviously, the drawings described below are only some embodiments of the present disclosure. A person skilled in the art can obtain other drawings based on these drawings without creative work.

[0031] FIG1 is a schematic flow chart showing a method for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0032] FIG2 is a schematic diagram showing a power headroom report according to a first reporting method in some embodiments of the present disclosure.

[0033] FIG3 is a schematic diagram showing a power headroom report according to a second reporting method in some embodiments of the present disclosure.

[0034] 4A and 4B are schematic diagrams illustrating power headroom reporting according to a third reporting method in some embodiments of the present disclosure.

[0035] 5A and 5B are schematic diagrams showing first MAC-CE information in a fourth reporting method in some embodiments of the present disclosure.

[0036] FIG6 is a schematic diagram showing a power headroom report according to a fifth reporting method in some embodiments of the present disclosure.

[0037] FIG7 shows a schematic diagram of second MAC-CE information in reporting method six in some embodiments of the present disclosure.

[0038] FIG8 is a schematic diagram showing a power headroom report according to a seventh reporting method in some embodiments of the present disclosure.

[0039] FIG9 is a schematic diagram showing the third MAC-CE information of reporting method eight in some embodiments of the present disclosure.

[0040] FIG10 shows a schematic structural diagram of an apparatus for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0041] FIG11 shows a schematic structural diagram of an apparatus for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0042] FIG12 shows a schematic structural diagram of a system for sensing changes in power levels of user equipment according to some embodiments of the present disclosure. DETAILED DESCRIPTION

[0043] It should be noted that the relative arrangement of components and steps, the numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

[0044] Those skilled in the art will understand that the terms "first" and "second" in the embodiments of the present disclosure are only used to distinguish different steps, devices or modules, and do not represent any specific technical meanings, nor do they indicate a necessary logical order between them.

[0045] It should also be understood that in the embodiments of the present disclosure, “a plurality of” may refer to two or more than two, and “at least one” may refer to one, two, or more than two.

[0046] It should also be understood that any component, data or structure mentioned in the embodiments of the present disclosure can generally be understood as one or more, unless explicitly limited or otherwise indicated in the context.

[0047] In addition, the term "and / or" in this disclosure is merely a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this disclosure generally indicates that the related objects are in an "or" relationship.

[0048] It should also be understood that the description of the various embodiments in this disclosure focuses on the differences between the various embodiments, and the same or similar aspects thereof can be referenced with each other. For the sake of brevity, they will not be described one by one.

[0049] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0050] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0051] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0052] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0053] In addition, in order to avoid obscuring the present disclosure with unnecessary details, only the processing steps and / or device structures that are closely related to at least the solution according to the present disclosure are shown in the drawings, while other details that are not closely related to the present disclosure are omitted. It should also be noted that similar reference numerals and letters in the drawings indicate similar items, and therefore once an item is defined in one drawing, it does not need to be discussed again for subsequent drawings.

[0054] The duty cycle calculation is performed on the UE side, and the network side cannot be aware of the changes in the UE's transmit power in a timely manner, which in turn affects the base station's resource allocation and power control to the UE.

[0055] In an embodiment of the present disclosure, when a user equipment determines that a power level has changed, the user equipment sends media access control element information to a wireless access network device to report the power level change information of the user equipment, so that the wireless access network device can promptly perceive the change in the power level of the user equipment, so that the user equipment and the network side can coordinately respond to the change in the uplink transmit power of the user equipment. For example, the wireless access network device can perform resource allocation and power control on the user equipment based on this, thereby ensuring uplink transmission and improving system coverage.

[0056] FIG1 is a schematic flow chart showing a method for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0057] As shown in FIG1 , the method for sensing a change in the power level of a user equipment in this embodiment includes step 110 , and may further include step 120 , and may further include step 130 according to service requirements.

[0058] In step 110, when determining that the power class has changed, the user equipment sends a media access control element information to a radio access network (RAN) device to report the power class (PC) change information of the user equipment.

[0059] Among them, the medium access control (MAC) control element (CE) can be expressed as MAC-CE.

[0060] The user equipment reports its power level change information to the radio access network device. There are multiple reporting methods, which will be described in detail in the following embodiments.

[0061] In step 120, the wireless access network device receives the media access control element information sent by the user equipment, thereby timely sensing the change of the power level of the user equipment.

[0062] Wireless access network equipment includes, for example, but is not limited to, base stations.

[0063] In step 130, the wireless access network device schedules uplink transmission of the user equipment according to the power level change information of the user equipment. For example, the wireless access network device may perform resource allocation and power control on the user equipment according to the power level change information of the user equipment.

[0064] For example, when sensing that the uplink transmission power of the user equipment is relatively high and will generate large energy radiation, the wireless access network device can shorten the uplink transmission time of the user equipment so that the user equipment only sends important information uplink within the limited uplink transmission time.

[0065] For another example, when it is detected that the uplink transmission power of the user equipment is relatively high and will generate a large amount of energy radiation, the wireless access network device may reduce the number of uplink transmission ports of the user equipment.

[0066] In an embodiment of the present disclosure, when a user equipment determines that a power level has changed, the user equipment sends media access control element information to a wireless access network device to report the power level change information of the user equipment, so that the wireless access network device can promptly perceive the change in the power level of the user equipment, so that the user equipment and the network side can coordinately respond to the change in the uplink transmit power of the user equipment. For example, the wireless access network device can perform resource allocation and power control on the user equipment based on this, thereby ensuring uplink transmission and improving system coverage.

[0067] The following describes in detail various reporting methods in which the user equipment reports its power level change information to the radio access network device.

[0068] Reporting method 1:

[0069] The user equipment (UE) sends a Power Headroom Report (PHR) to the radio access network. The PHR includes a reserved field indicating changes in the UE's power level. This allows the network to promptly detect UE power changes without affecting the original PHR reporting process, ensuring uplink transmission and improving system coverage.

[0070] The reserved field includes a first reserved field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0071] As shown in Figure 2, the first reserved field is the R field located after the P field, which can be 1 bit. When the value of the R field is 1, it indicates that the power level has changed. When the value of the R field is 0, it indicates that no power level has changed. For example, when the uplink duty cycle of the user equipment exceeds a certain threshold and power fallback is required, the value of the R field can be set to 1. At this time, the power level fallback value (ΔP powerClass , expressed in dB) is not 0; when the uplink duty cycle of the user equipment does not exceed a certain threshold, no power fallback is required, and the value of the R domain can be set to 0. At this time, the power level fallback value of the user equipment (ΔP powerClass ) is 0.

[0072] The meanings of other fields in the power headroom report shown in FIG2 may refer to the prior art and are only briefly described below.

[0073] P field (P domain): When mpe-Reporting-FR2 is configured and the serving cell operates in the FR2 band (FR2 band represents the millimeter wave high frequency band), if the P-MPR (Maximum Power Reduction) value is lower than the P-MPR_00 value to meet the MPE (Maximum Permissible Exposure, used to evaluate the impact of ionizing radiation on the human body) requirement, the MAC entity will set this field to 0, otherwise it will be set to 1. If mpe-Reporting-FR2 is not configured or the serving cell operates in the FR1 band (FR1 band represents the low frequency band), this field is used to indicate whether power backoff is performed under power control. If power backoff caused by power control is not applied, the corresponding PCMAX field will have a different value, and the MAC entity should set the P field to 1.

[0074] The PH (Type 1, PCell) field indicates the Type 1 power headroom report (PHR) of the PCell (Primary Cell).

[0075] MPE field or R (Reserved) field: The MPE field is enabled only in the FR2 band and is actually an R field (i.e., reserved field) in the FR1 band. The MPE field is used to indicate the maximum permissible exposure information.

[0076] P CMAX ,f,c represents the maximum allowed transmit power on carrier f of cell c. It is a cell-level parameter and is configured by the base station.

[0077] Reporting method 2:

[0078] The user equipment (UE) sends a power headroom report (PHR) to the radio access network. The PHR includes a reserved field indicating changes in the UE's power level. This allows the network to promptly detect UE power changes without affecting the existing PHR reporting process, ensuring uplink transmission and improving system coverage.

[0079] The reserved field includes a second reserved field, which is used to indicate a value of a power level change of the user equipment.

[0080] The MPE field in the existing PHR structure is enabled only in the FR2 band, so the FR1 band can continue to use the existing PHR structure and use the reserved field (R field) where the MPE field is located to report the power level change value of the user equipment.

[0081] In the power headroom report shown in Figure 3, the second reserved field is the R field, located below the P field, and can be 2 bits. For example, a 2-bit R field of 00 indicates a 0dB backoff; 01 indicates a 3dB backoff; 10 indicates a 6dB backoff; and 11 indicates reserved. That is, the R field = {00, 01, 10, 11} indicates a power level backoff value of {0dB, 3dB, 6dB, reserved}.

[0082] Reporting method three:

[0083] Based on the existing PHR structure and the existing MAC-CE LCID (Logical Channel Identification), the PHR field is expanded and a UE power level change reporting entity is added.

[0084] The user equipment sends power headroom report information to the radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment.

[0085] In the power headroom report shown in FIG4A , the extended field includes a first extended field for indicating a numerical value of a power level change of the user equipment. The first extended field is, for example, 2 bits or more. When the first extended field is 2 bits, the first extended field = {00, 01, 10, 11} can respectively represent power level fallback values ​​= {0dB, 3dB, 6dB, reserved}.

[0086] In the power headroom report shown in FIG4B , the extended field includes a second extended field for indicating whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs. The second extended field is, for example, 1 bit, and the second extended field = {0, 1} can respectively indicate no power level change and a power level change.

[0087] Reporting Method 4:

[0088] With the new MAC-CE structure, the LCID of the MAC-CE may be modified so that it can indicate the new MAC-CE structure for reporting UE power level changes.

[0089] The user equipment sends a new first media access control control element structure (i.e., first media access control control element structure information) to the wireless access network device, including a new first logical channel identifier and new first media access control control element information, where the first logical channel identifier is used to indicate the new first media access control control element information, and the first media access control control element information (i.e., first MAC-CE information) includes an indication field of the power level change of the user equipment.

[0090] In the first MAC-CE information shown in FIG5A , the indication field includes a first indication field for indicating a numerical value of a power level change of the user equipment. The first indication field is, for example, 2 bits or more. When the first indication field is 2 bits, the first indication field = {00, 01, 10, 11} can respectively represent power level fallback values ​​= {0dB, 3dB, 6dB, reserved}.

[0091] In the first MAC-CE information shown in FIG5B , the indication field includes a second indication field for indicating whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs. The second indication field is, for example, 1 bit, and the second indication field = {0, 1} can respectively indicate that no power level change has occurred and a power level change has occurred.

[0092] As shown in Table 1, the code point or index = 37 (or other reserved values ​​such as 38-42) is defined as the LCID for reporting UE power level changes, and the MAC-CE using this LCID is considered to be the MAC-CE reporting UE power level changes.

[0093] Table 1

[0094] Reporting Method 5:

[0095] To enable the radio access network equipment to more clearly understand the UE's power level changes and uplink duty cycle, and to facilitate subsequent scheduling policy updates, the UE can simultaneously report power level changes and duty cycle violations. Based on the existing PHR structure and MAC-CE LCID, the PHR field is expanded to add reporting entities for UE power level changes and uplink duty cycle.

[0096] The user equipment sends power headroom report information to the radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment and difference information between the current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold. The extended field for indicating the power level change information of the user equipment is set to the third extended field. The extended field for indicating the difference information (set to ΔDutyCycle) between the current uplink duty cycle of the user equipment and the preset uplink duty cycle threshold is set to the fourth extended field.

[0097] The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0098] In the power headroom report shown in Figure 6, when the third extended field has 2 bits, the third extended field = {00, 01, 10, 11} can respectively indicate power level fallback values ​​= {0dB, 3dB, 6dB, reserved}. When the third extended field has 1 bit, the third extended field = {0, 1} can respectively indicate no power level change and a power level change.

[0099] As shown in the power headroom report in Figure 6, the fourth extended field can take effect when the third extended field is not 0. When the fourth extended field has 2 bits, the fourth extended field: 00 indicates that the UE duty cycle exceeds the preset threshold of 0 to 10%; 01 indicates that the UE duty cycle exceeds the preset threshold of 10 to 20%; 10 indicates that the UE duty cycle exceeds the preset threshold of 20 to 30%; 11 indicates that the UE duty cycle exceeds the preset threshold by more than 30%.

[0100] Reporting Method 6:

[0101] To enable the radio access network equipment to more clearly understand the UE's power level changes and uplink duty cycle, and to facilitate subsequent scheduling policy updates, the UE can simultaneously report power level changes and duty cycle violations. A new MAC-CE structure can be used, and the LCID of the MAC-CE can be modified to indicate the new MAC-CE structure for reporting UE power level changes and uplink duty cycle conditions.

[0102] The user equipment sends a new second media access control control element structure (i.e., second media access control control element structure information) to the wireless access network device, including a new second logical channel identifier and new second media access control control element information, where the second logical channel identifier is used to indicate the new second media access control control element information, and the second media access control control element information (second MAC-CE information) includes an indication field (third indication field) of power level change information of the user equipment and an indication field (fourth indication field) of difference information between the current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

[0103] The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0104] In the second MAC-CE information shown in Figure 7, when the third indication field has 2 bits, the third indication field = {00, 01, 10, 11} can respectively indicate power level fallback values ​​= {0dB, 3dB, 6dB, reserved}. When the third indication field has 1 bit, the third indication field = {0, 1} can respectively indicate that no power level change has occurred and a power level change has occurred.

[0105] As shown in the second MAC-CE information in Figure 7, the fourth indication field can be effective when the third indication field is not 0. When the fourth indication field has 2 bits, the fourth indication field: 00 indicates that the UE duty cycle exceeds the preset threshold of 0 to 10%; 01 indicates that the UE duty cycle exceeds the preset threshold of 10 to 20%; 10 indicates that the UE duty cycle exceeds the preset threshold of 20 to 30%; 11 indicates that the UE duty cycle exceeds the preset threshold of more than 30%.

[0106] As shown in Table 2, the code point or index = 37 (or other reserved values ​​such as 38-42) is defined as the LCID for reporting the UE power level change and the difference between the UE's current uplink duty cycle and the preset uplink duty cycle threshold. The MAC-CE using this LCID is considered to be the MAC-CE reporting the UE power level change and the difference between the UE's current uplink duty cycle and the preset uplink duty cycle threshold. The meaning of other code points or indexes in Table 2 except 37 can be found in Table 1 and are not repeated here.

[0107] Table 2

[0108] Reporting Method 7:

[0109] To enable the radio access network equipment to more clearly understand the UE's power level changes and the UE's current maximum transmit power, allowing for subsequent scheduling policy updates, the UE can report both power level changes and the current power level. Based on the existing PHR structure and MAC-CE LCID, the PHR field is expanded to include reporting entities for the UE's power level changes and current power level.

[0110] A user equipment sends power headroom report information to a radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment and current power level information of the user equipment. The extended field for indicating the power level change information of the user equipment is set to a fifth extended field. The extended field for indicating the current power level information of the user equipment is set to a sixth extended field.

[0111] The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0112] In the power headroom report shown in Figure 8, when the fifth extended field has 2 bits, the fifth extended field = {00, 01, 10, 11} can respectively indicate power level fallback values ​​= {0dB, 3dB, 6dB, reserved}. When the fifth extended field has 1 bit, the fifth extended field = {0, 1} can respectively indicate no power level change and a power level change.

[0113] In the power headroom report shown in Figure 8, when the sixth extended field has 2 bits, the sixth extended field is: 00 indicates that the UE's current power level is PC3; 01 indicates that the UE's current power level is PC2; 10 indicates that the UE's current power level is PC1.5; and 11 indicates that the UE's current power level is PC1. That is, the sixth extended field = {00, 01, 10, 11} indicates PC = {PC3, PC2, PC1.5, PC1}.

[0114] Reporting Method 8:

[0115] To enable the radio access network equipment to more clearly understand the UE's power level changes and current power level, and to facilitate subsequent scheduling policy updates, the UE can simultaneously report power level changes and current power levels. A new MAC-CE structure can be used, and the LCID of the MAC-CE can be modified to indicate the new MAC-CE structure for reporting UE power level changes and current power levels.

[0116] The user equipment sends a new third media access control control element structure (i.e., third media access control control element structure information) to the wireless access network device, including a new third logical channel identifier and new third media access control control element information, where the third logical channel identifier is used to indicate the new third media access control control element information, and the third media access control control element information (third MAC-CE information) includes an indication field (fifth indication field) of the power level change information of the user equipment and an indication field (sixth indication field) of the current power level information of the user equipment.

[0117] The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0118] As shown in the third MAC-CE information in Figure 9, when the fifth indicator field has 2 bits, the fifth indicator field = {00, 01, 10, 11} can respectively indicate power level fallback values ​​= {0dB, 3dB, 6dB, reserved}. When the fifth indicator field has 1 bit, the fifth indicator field = {0, 1} can respectively indicate that no power level change has occurred and a power level change has occurred.

[0119] In the third MAC-CE information shown in Figure 9, when the sixth indicator field has 2 bits, the sixth indicator field is: 00 indicates that the UE's current power level is PC3; 01 indicates that the UE's current power level is PC2; 10 indicates that the UE's current power level is PC1.5; and 11 indicates that the UE's current power level is PC1. That is, the sixth indicator field = {00, 01, 10, 11} indicates that PC = {PC3, PC2, PC1.5, PC1}.

[0120] As shown in Table 3, the code point or index = 37 (or other reserved values ​​such as 38-42) is defined as the LCID for reporting the UE power level change and the UE current power level. The MAC-CE using this LCID is considered to be the MAC-CE reporting the UE power level change and the UE current power level. The meanings of other code points or indexes in Table 3 except 37 can be found in Table 1 and are not repeated here.

[0121] Table 3

[0122] FIG10 shows a schematic structural diagram of an apparatus for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0123] As shown in FIG10 , an apparatus 1000 for sensing a power level change of a user equipment in this embodiment includes a memory 1010 and a processor 1020 coupled to the memory 1010. The processor 1020 is configured to execute the method for sensing a power level change of a user equipment in any of the embodiments based on instructions stored in the memory 1010. The apparatus 1000 is, for example, disposed in a user equipment.

[0124] The apparatus 1000 may further include an input / output interface 1030 , a network interface 1040 , a storage interface 1050 , etc. These interfaces 1030 , 1040 , 1050 , the memory 1010 , and the processor 1020 may be connected via a bus 1060 , for example.

[0125] The memory 1010 may include, for example, a system memory, a fixed non-volatile storage medium, etc. The system memory may store, for example, an operating system, application programs, a boot loader, and other programs.

[0126] The processor 1020 may be implemented using a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, or discrete hardware components such as discrete gates or transistors.

[0127] Among them, the input and output interface 1030 provides a connection interface for input and output devices such as a display, mouse, keyboard, and touch screen. The network interface 1040 provides a connection interface for various networked devices. The storage interface 1050 provides a connection interface for external storage devices such as SD cards and USB flash drives. The bus 1060 can use any of a variety of bus structures. For example, bus structures include but are not limited to the Industry Standard Architecture (ISA) bus, the Micro Channel Architecture (MCA) bus, and the Peripheral Component Interconnect (PCI) bus.

[0128] FIG11 shows a schematic structural diagram of an apparatus for sensing a change in a power level of a user equipment according to some embodiments of the present disclosure.

[0129] As shown in Figure 11, the apparatus 1100 for sensing a change in the power level of a user equipment in this embodiment includes: a module for executing a method for sensing a change in the power level of a user equipment. The apparatus 1100 is, for example, provided in the user equipment.

[0130] The reporting module 1110 is configured to, when determining that the power level of the user equipment has changed, send a media access control element information to the radio access network device to report the power level change information of the user equipment.

[0131] The reporting module 1110 is configured to send power headroom report information to a radio access network device, where the power headroom report information includes a reserved field for indicating power level change information of the user equipment.

[0132] The reserved field includes a first reserved field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0133] The reserved field includes a second reserved field, which is used to indicate a value of a power level change of the user equipment.

[0134] The reporting module 1110 is configured to send power headroom report information to a radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment.

[0135] The extended field includes a first extended field, which is used to indicate a value of a power level change of the user equipment.

[0136] The extended field includes a second extended field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0137] The reporting module 1110 is configured to send a new first media access control control element structure to the wireless access network device, including a new first logical channel identifier and new first media access control control element information, where the first logical channel identifier is used to indicate the new first media access control control element information, and the first media access control control element information includes an indication field of a power level change of the user equipment.

[0138] The indication field includes a first indication field, which is used to indicate a value of a power level change of the user equipment.

[0139] The indication field includes a second indication field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

[0140] The reporting module 1110 is configured to send power headroom report information to the wireless access network device, where the power headroom report information includes an extended field for indicating the power level change information of the user equipment and the difference between the current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

[0141] The reporting module 1110 is configured to send a new second media access control control element structure to the wireless access network device, including a new second logical channel identifier and new second media access control control element information, where the second logical channel identifier is used to indicate the new second media access control control element information, and the second media access control control element information includes an indication field of power level change information of the user equipment and an indication field of difference information between the current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

[0142] The reporting module 1110 is configured to send power headroom report information to the radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment and current power level information of the user equipment.

[0143] The reporting module 1110 is configured to send a new third media access control control element structure to the wireless access network device, including a new third logical channel identifier and new third media access control control element information, where the third logical channel identifier is used to indicate the new third media access control control element information, and the third media access control control element information includes an indication field of power level change information of the user equipment and an indication field of current power level information of the user equipment.

[0144] The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

[0145] FIG12 shows a schematic structural diagram of a system for sensing changes in power levels of user equipment according to some embodiments of the present disclosure.

[0146] As shown in FIG. 12 , the system 1200 of this embodiment includes a user equipment 1210 and a wireless access network device 1220 .

[0147] The user equipment 1210 is configured to perform a method for sensing a power level change of the user equipment, that is, when determining a power level change, send a media access control element information to a wireless access network device to report the power level change information of the user equipment.

[0148] The wireless access network device 1220 is configured to receive media access control element information sent by the user equipment.

[0149] The radio access network device 1220 is configured to schedule uplink transmission of the user equipment according to the power level change information of the user equipment, such as performing resource allocation and power control.

[0150] For example, when sensing that the uplink transmission power of the user equipment is relatively high and will generate large energy radiation, the wireless access network device can shorten the uplink transmission time of the user equipment so that the user equipment only sends important information uplink within the limited uplink transmission time.

[0151] For another example, when it is detected that the uplink transmission power of the user equipment is relatively high and will generate a large amount of energy radiation, the wireless access network device may reduce the number of uplink transmission ports of the user equipment.

[0152] An embodiment of the present disclosure provides a computer-readable storage medium having a computer program stored thereon. When the program is executed by a processor, the steps of a method for sensing a change in a power level of a user equipment are implemented.

[0153] Those skilled in the art will appreciate that embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present disclosure may take the form of a computer program product implemented on one or more non-transitory computer-readable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer program code.

[0154] The present disclosure is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present disclosure. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0155] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0156] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, so that the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0157] The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. A method for sensing a change in a power level of a user equipment, comprising: When determining that the power level has changed, the user equipment sends media access control element information to the wireless access network device to report the power level change information of the user equipment.

2. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends power headroom report information to the radio access network device, where the power headroom report information includes a reserved field for indicating power level change information of the user equipment.

3. The method according to claim 2, wherein: The reserved field includes a first reserved field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

4. The method according to claim 2 or 3, wherein: The reserved field includes a second reserved field, which is used to indicate a value of a power level change of the user equipment.

5. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends power headroom report information to the radio access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment.

6. The method according to claim 5, wherein: The extended field includes a first extended field, which is used to indicate a value of a power level change of the user equipment.

7. The method according to claim 5 or 6, wherein: The extended field includes a second extended field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

8. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends first media access control control element structure information to the wireless access network equipment, including a first logical channel identifier and first media access control control element information, wherein the first logical channel identifier is used to indicate the first media access control control element information, and the first media access control control element information includes an indication field of a power level change of the user equipment.

9. The method according to claim 8, wherein: The indication field includes a first indication field, which is used to indicate a value of a power level change of the user equipment.

10. The method according to claim 8 or 9, wherein: The indication field includes a second indication field, which is used to indicate whether the uplink duty cycle of the user equipment exceeds a certain threshold and whether a power level change occurs.

11. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends power headroom report information to the wireless access network device, wherein the power headroom report information includes an extended field for indicating power level change information of the user equipment and difference information between a current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

12. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends second media access control control element structure information to the wireless access network device, including a second logical channel identifier and second media access control control element information, where the second logical channel identifier is used to indicate the second media access control control element information, and the second media access control control element information includes an indication field for power level change information of the user equipment and an indication field for difference information between a current uplink duty cycle of the user equipment and a preset uplink duty cycle threshold.

13. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends power headroom report information to the wireless access network device, where the power headroom report information includes an extended field for indicating power level change information of the user equipment and current power level information of the user equipment.

14. The method according to claim 1, wherein: The media access control element information sent by the user equipment to the wireless access network equipment includes: The user equipment sends third media access control control element structure information to the wireless access network device, including a third logical channel identifier and third media access control control element information, where the third logical channel identifier is used to indicate the third media access control control element information, and the third media access control control element information includes an indication field for power level change information of the user equipment and an indication field for current power level information of the user equipment.

15. The method according to any one of claims 11 to 14, wherein: The power level change information of the user equipment includes at least one of a value of the power level change of the user equipment, whether an uplink duty cycle of the user equipment exceeds a certain threshold, and whether a power level change occurs.

16. A device for sensing a change in a power level of a user equipment, comprising: Memory; as well as A processor coupled to the memory, the processor being configured to execute the method of any one of claims 1-15 based on instructions stored in the memory.

17. A device for sensing a change in a power level of a user equipment, comprising: A module for executing the method of any one of claims 1-15.

18. A system for sensing a change in a power level of a user equipment, comprising: User equipment, configured to execute the method according to any one of claims 1 to 15; The wireless access network device is configured to receive media access control element information sent by a user equipment.

19. The system according to claim 18, wherein the wireless access network device is configured to schedule uplink transmission of the user equipment according to the power level change information of the user equipment.

20. A computer-readable storage medium having a computer program stored thereon, wherein when the program is executed by a processor, the steps of the method according to any one of claims 1 to 15 are implemented.

21. A computer program comprising: Instructions, when executed by a processor, cause the processor to perform the method according to any one of claims 1-15.

22. A computer program product, comprising a computer program, which, when executed by a processor, implements the steps of the method according to any one of claims 1 to 15.

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