CN110536400A

CN110536400A - A kind of method and device sending power headroom reporting (PHR)

Info

Publication number: CN110536400A
Application number: CN201810516673.0A
Authority: CN
Inventors: 刘哲; 彭金磷; 唐浩; 唐臻飞
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-05-25
Filing date: 2018-05-25
Publication date: 2019-12-03
Anticipated expiration: 2038-05-25
Also published as: CN110536400B; WO2019223657A1

Abstract

This application discloses a kind of method and devices for sending power headroom reporting (PHR), this method comprises: according to the first up-link carrier maximum transmission power supported and the total transmission power of N number of activation portions of bandwidth, determine the power headroom of first up-link carrier, wherein, it include N number of activation portions of bandwidth in first up-link carrier, the N is the integer more than or equal to 2；Power headroom reporting (PHR) is sent, the power headroom reporting (PHR) is used to indicate the power headroom of first up-link carrier.Using the present processes and device, it may be determined that power headroom reporting (PHR) reports.

Description

A kind of method and device sending power headroom reporting (PHR)

Technical field

This application involves field of communication technology more particularly to a kind of method and devices for sending power headroom reporting (PHR).

Background technique

In a wireless communication system, user equipment (user equipment, UE) can be according to the scheduling of base station, in uplink Uplink signal is sent on carrier wave.Specific process can are as follows: UE determine up-link carrier power headroom (power headroom, PH), it is then based on the PH, is generated power headroom reporting (PHR) (power headroom report, PHR), and report PHR to base station. Base station can dispatch UE and send uplink signal on the up-link carrier according to the PHR.It is greater than for example, working as pH value corresponding to PHR When 0, indicate that there are also remaining power can further expand uplink bandwidth by UE, pH value is bigger, indicates the remaining function of UE Rate is more, correspondingly, base station can be distributed for UE more ascending physical signal resource blocks (physical resource block, PRB) resource, base station are that the resource of UE distribution is more, and the message transmission rate between base station and UE is higher.Since PHR is reported to upper The important function of row transmission, therefore, how to report PHR is to be worth studied.

Summary of the invention

The application provides a kind of method and device for sending power headroom reporting (PHR), to determine reporting for PHR.

In a first aspect, the application provides a kind of method for sending power headroom reporting (PHR), comprising: according to the first up-link carrier institute The total transmission power of the maximum transmission power of support and N number of activation portions of bandwidth, determines the power of first up-link carrier Surplus, wherein include N number of activation portions of bandwidth in first up-link carrier, the N is the integer more than or equal to 2；Hair Power headroom reporting (PHR) is sent, the power headroom reporting (PHR) is used to indicate the power headroom of first up-link carrier.

In the embodiment of the present application, it determines on emission maximum function and described first that first up-link carrier is supported The total transmission power of N number of activation portions of bandwidth included by row carrier wave, the emission maximum function supported based on the first up-link carrier And the total transmission power of N number of activation portions of bandwidth, determine the power headroom of the first up-link carrier；Compared to conventional method In, determine the transmission power of the maximum transmission power that first up-link carrier is supported and an activation portions of bandwidth, base In the first up-link carrier maximum transmission power supported and the transmission power of an activation portions of bandwidth, the first uplink is determined The accuracy that power headroom reporting (PHR) reports can be improved in the power headroom of carrier wave.

Specifically, the maximum transmission power that first up-link carrier is supported is determined according to the power attenuation factor , the power attenuation factor is determined according to the waveform used in N number of activation portions of bandwidth transmission uplink signal 's.

In a kind of example, if using cyclic prefix orthogonal frequency division multiplexing CP- in N number of activating part bandwidth OFDM waveform, the power attenuation factor are the first power attenuation factor；If described in N number of activating part bandwidth use The orthogonal frequency division multiplexing DFT-s-OFDM waveform that CP-OFDM waveform and discrete Fourier transform are expanded, the power attenuation factor For the second power attenuation factor；If using the DFT-s-OFDM waveform, the power in N number of activating part bandwidth The decay power factor is the third power attenuation factor.The first power attenuation factor be less than or equal to second power attenuation because Son, the second power attenuation factor are less than or equal to the third power attenuation factor.

As can be seen that in the embodiment of the present application, actual transmissions waveform is the uplink activation portions of bandwidth of DFT-s-OFDM Number it is more, the power attenuation of introducing is because of maximum transmission power bigger, that the first up-link carrier calculated is supported Smaller, actual transmissions waveform is that the number of the uplink activation portions of bandwidth of the waveform of CP-OFDM is more, the power attenuation of introducing because Son is smaller, and the maximum transmission power that the first up-link carrier calculated is supported is bigger, so that the first up-link carrier institute Support the calculating of maximum transmission power more accurate.

In the embodiment of the present application, the maximum transmission power that first up-link carrier is supported, can meet the following conditions:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

Wherein, P_CMAX,f,cIndicate the maximum transmission power that first up-link carrier is supported, the P_{CMAX_L,f,c}It indicates The maximum transmission power lower limit that first up-link carrier is supported, the P_{CMAX_H,f,c}Indicate that first up-link carrier is propped up The maximum transmission power upper limit held, the maximum transmission power lower limit and first uplink that first up-link carrier is supported carry At least one of the maximum transmission power upper limit that wave is supported is according to determined by the power attenuation factor.

In the example of the application, the power headroom reporting (PHR) is the power headroom reporting (PHR) of the first uplink signal, described Method further include: if at least one target activation portions of bandwidth in N number of activation portions of bandwidth is used for transmission on first Row signal then activates the actual emission power of portions of bandwidth according to the target, determines total hair of N number of activation portions of bandwidth Penetrate power.

In another example of the application, the power headroom reporting (PHR) is the power headroom reporting (PHR) of the first uplink signal, institute State method further include: if N number of activation portions of bandwidth is not used for transmitting first uplink signal, according to the N The virtual emission power of a activation portions of bandwidth determines the total transmission power of N number of activation portions of bandwidth.

Second aspect, the application provide a kind of method for sending power headroom reporting (PHR), comprising: according to the first up-link carrier institute The maximum transmission power of support, the transmission power of the first activation portions of bandwidth and the first power share the factor, determine described the The power headroom of one activation portions of bandwidth, includes the first activation portions of bandwidth in first up-link carrier, and described first It is that power corresponding to the first activation portions of bandwidth shares the factor that power, which shares the factor,；Power headroom reporting (PHR) is sent, it is described Power headroom reporting (PHR) is used to indicate the power headroom of the first activation portions of bandwidth.

In the embodiment of the present application, the maximum transmission power and described first supported according to the first up-link carrier activate First power corresponding to the transmission power of portions of bandwidth and the first activation portions of bandwidth shares the factor, determines the first activating belt The transmission power of wide portion, relative to conventional method, the maximum transmission power supported according to the first up-link carrier and first The transmission power of portions of bandwidth is activated, the transmission power of the first activation portions of bandwidth is calculated, it can be on higher raising power headroom The accuracy of report.

In a kind of possible realization, first up-link carrier includes N number of activation portions of bandwidth, first activating belt Wide portion is the activation portions of bandwidth in N number of activation portions of bandwidth, and the N is the integer more than or equal to 2；On described first The maximum transmission power that row carrier wave is supported is according to determined by the power attenuation factor, and the power attenuation factor is that basis exists Determined by the waveform used when N number of activation portions of bandwidth transmission uplink signal.

Specifically, the maximum transmission power that first up-link carrier is supported, meets the following conditions:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

The third aspect provides a kind of method for sending power headroom reporting (PHR), comprising: is propped up according to the first activation portions of bandwidth The transmission power of the maximum transmission power and the first activation portions of bandwidth held, determines the first activation portions of bandwidth Power headroom；Power headroom reporting (PHR) is sent, the power headroom reporting (PHR) is used to indicate the power of the first activation portions of bandwidth Surplus.

Therefore in the embodiment of the present application, according to the first maximum transmission power for being supported of activation portions of bandwidth with And first activation portions of bandwidth transmission power, calculate first activation portions of bandwidth power headroom, relative to conventional method, root The transmission power of the maximum transmission power supported according to the first up-link carrier and the first activation portions of bandwidth, calculates the first activation The accuracy of power headroom reporting can be improved in the power headroom of portions of bandwidth.

In the embodiment of the present application, the maximum transmission power that the first activation portions of bandwidth is supported is that basis is matched in advance It sets determined by the maximum transmission power to the first activation portions of bandwidth.

In one example, the maximum transmission power that the first activation portions of bandwidth is supported, which can be equal to, to be pre-configured with to institute State the maximum transmission power of the first activation portions of bandwidth.

In another example, the maximum transmission power supported of the first activation portions of bandwidth is greater than or equal to described the The maximum transmission power lower limit that one activation portions of bandwidth is supported, the emission maximum function that the first activation portions of bandwidth is supported Rate is less than or equal to the maximum transmission power upper limit that the first activation portions of bandwidth is supported；

The maximum transmission power lower limit that the first activation portions of bandwidth is supported, with first activation portions of bandwidth institute At least one of maximum transmission power upper limit of support is that basis is pre-configured with to the maximum of the first activation portions of bandwidth Determined by transmission power.

Based on the inventive concept of above-mentioned first aspect, fourth aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned first aspect method, it may include:

Processing unit, maximum transmission power and N number of activation portions of bandwidth for being supported according to the first up-link carrier Total transmission power, determine the power headroom of first up-link carrier, wherein in first up-link carrier include the N A activation portions of bandwidth, the N are the integer more than or equal to 2.

Transmit-Receive Unit, for sending power headroom reporting (PHR), the power headroom reporting (PHR) is used to indicate first uplink and carries The power headroom of wave.

About the introduction of above-mentioned processing unit and Transmit-Receive Unit, reference can be made to the record of above-mentioned first aspect, no longer superfluous herein It states.

Based on the inventive concept of above-mentioned first aspect, the 5th aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned first aspect method, it may include:

Communication interface；

Memory refers to for storing program and deposits；

Processor is received for calling and executing the program instruction stored in the memory by the communication interface And/or data are sent, realize method described in above-mentioned first aspect.

Based on the inventive concept of above-mentioned second aspect, the 6th aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned second aspect method, it may include:

Processing unit, maximum transmission power for being supported according to the first up-link carrier, the first activation portions of bandwidth Transmission power and the first power share the factor, determine the power headroom of the first activation portions of bandwidth, first uplink It include the first activation portions of bandwidth in carrier wave, it is right for the first activation portions of bandwidth that first power shares the factor The power answered shares the factor.

Transmit-Receive Unit, for sending power headroom reporting (PHR), the power headroom reporting (PHR) is used to indicate first activating belt The power headroom of wide portion.

About the introduction of above-mentioned processing unit and Transmit-Receive Unit, reference can be made to the record of above-mentioned second aspect, no longer superfluous herein It states.

Based on the inventive concept of above-mentioned second aspect, the 7th aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned second aspect method, it may include:

Communication interface；

Memory refers to for storing program and deposits；

Processor is received for calling and executing the program instruction stored in the memory by the communication interface And/or data are sent, realize method described in above-mentioned second aspect.

Based on the inventive concept of the above-mentioned third aspect, eighth aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned third aspect method, it may include:

Processing unit, maximum transmission power and first activation for being supported according to the first activation portions of bandwidth The transmission power of portions of bandwidth determines the power headroom of the first activation portions of bandwidth.

About the introduction of above-mentioned processing unit and Transmit-Receive Unit, reference can be made to the record of the above-mentioned third aspect, no longer superfluous herein It states.

Based on the inventive concept of the above-mentioned third aspect, the 9th aspect, the application provides a kind of device, which can be Terminal device, or terminal device can be supported to realize the device (such as chip) of above-mentioned third aspect method, it may include:

Communication interface；

Memory refers to for storing program and deposits；

Processor is received for calling and executing the program instruction stored in the memory by the communication interface And/or data are sent, realize method described in the above-mentioned third aspect.

Tenth aspect, the application provide a kind of computer storage medium, and the computer media is stored with computer instruction, When the computer instruction is computer-executed so that the computer execute above-mentioned first aspect to the third aspect either one Method described in face.

Tenth on the one hand, and the application provides a kind of computer program, and the computer program includes computer instruction, works as institute When stating computer instruction and being computer-executed, so that the computer executes first aspect to the described in any item sides of the third aspect Method.12nd aspect, this application provides a kind of computer program products comprising instruction, when run on a computer, So that computer executes method described in above-mentioned first aspect to third aspect either side.

13rd aspect, the embodiment of the present application provide a kind of chip system, include processor in the chip system, may be used also To include memory, for realizing method described in above-mentioned first aspect to third aspect either side.

Fourteenth aspect, this application provides a kind of communication system, including above-mentioned fourth aspect to the 9th aspect either one Device described in face.

Detailed description of the invention

Fig. 1 is a schematic diagram of communication system provided by the embodiments of the present application；

Fig. 2 is a method flow diagram of power headroom reporting provided by the embodiments of the present application；

Fig. 3 is the another method flow chart of power headroom reporting provided by the embodiments of the present application；

The flow chart for the maximum transmission power that Fig. 4 is supported by the first up-link carrier of determination provided by the embodiments of the present application；

Fig. 5 is the another method flow chart of power headroom reporting provided by the embodiments of the present application；

Fig. 6 is a kind of structural schematic diagram of device provided by the embodiments of the present application；

Fig. 7 is another structural schematic diagram of device provided by the embodiments of the present application；

Fig. 8 is a structural schematic diagram of terminal device provided by the embodiments of the present application.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.

Fig. 1 shows a kind of communication system 100 provided by the embodiments of the present application, which may include that network is set Standby 101 and terminal device 102.

Wherein, the network equipment 101 can provide wireless access related service, realize following for the terminal device 102 One or more functions in function: radio physical layer function, scheduling of resource and wireless resource management, service quality (quality Of service, QoS) management, wireless access control and mobile management function to ps domain.Between the network equipment 101 and terminal device 102 It can be connected by eating dishes without rice or wine, to realize the communication between the network equipment 101 and terminal device 102.

In the embodiment of the present application, terminal device 102 can be sent on up-link carrier according to the scheduling of the network equipment 101 Uplink signal.Specific process can are as follows: and terminal device 102 determines the power headroom (power headroom, PH) of up-link carrier, It is then based on the PH, is generated power headroom reporting (PHR) (power headroom report, PHR), and report PHR to the network equipment 101.The network equipment 101 can send uplink signal according to the PHR, dispatch terminal equipment 102 on up-link carrier.For example, working as When pH value corresponding to PHR is greater than 0, indicate that terminal device 102 can further expand uplink there are also remaining power Bandwidth, pH value is bigger, indicates that the dump power of terminal device 102 is more, correspondingly, the network equipment 101 can be terminal device 102 more ascending physical signal resource block (physical resource block, the PRB) resources of distribution, the network equipment 101 are eventually The resource that end equipment 102 is distributed is more, and the transmission rate between the network equipment 101 and terminal device 102 is higher.

It newly eats dishes without rice or wine in (new radio, NR) system, proposes in the 5th third-generation mobile communication (the 5th generation, 5G) The concept of portions of bandwidth (bandwidth part, BWP) discusses and supports to carry out the network equipment by two step resource modes Data transmission between 101 and terminal device 102, the i.e. network equipment 101 first can send BWP configuration information for terminal device 102, so Resource is distributed for terminal device 102 in the BWP configured afterwards and transmits data in the resource of the distribution.In NR, one Up-link carrier can only support an activation BWP, and the process that terminal device 102 calculates power headroom can be such that terminal device 102 determine the maximum transmission power that up-link carrier is supported first, and then terminal device 102 calculates the activation in the up-link carrier Transmission power on BWP, the maximum transmission power and activate BWP's that last terminal device 102 is supported according to the up-link carrier The difference of transmission power determines the power headroom of terminal device 102.

In NR, it can also it is expected to support multiple activation BWP on a carrier wave, at this point, if continuing to use traditional calculating The mode of power headroom will go out to show the problem of power headroom reporting inaccuracy.For example, there are two activation on a up-link carrier BWP, respectively BWP1 and BWP2, and the maximum hair that terminal device 102 supported on the up-link carrier is determined by calculation Penetrating power is 23dBm, and the transmission power on BWP1 is 20dBm, and the transmission power on BWP2 is 20dBm, if continuing to use tradition Power headroom calculation, it will calculate power headroom of the terminal device 102 on BWP1 be 3dBm (23dBm-20dBm =3dBm), the power headroom on BWP2 is 3dBm (23dBm-20dBm=3dBm).But actually terminal device 102 is in BWP1 23dBm (23dBm=10lg (10 is had reached with the total transmission power on BWP2²+10²)), terminal device 102 is on entire at this time Actual power surplus on row carrier wave is 0.

In order to make it easy to understand, it is exemplary give it is for reference with the explanation of the application related notion, it is as follows:

1) network equipment can be the equipment that terminal device is linked into wireless network in network.The network equipment is Node in wireless access network, and be properly termed as base station, can also be known as wireless access network (radio access network, RAN) node (or equipment).Currently, the citing of some network equipments are as follows: gNB, transmission receiving point (transmission Reception point, TRP), evolved node B (evolved Node B, eNB), radio network controller (radio Network controller, RNC), node B (Node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), Home eNodeB are (for example, home evolved NodeB or home Node B, HNB), Base Band Unit (base band unit, BBU) or Wireless Fidelity (wireless Fidelity, Wifi) access point (access point, AP) etc..In addition, the network equipment can in a kind of network structure To include centralized unit (centralized unit, CU) node and distribution unit (distributed unit, DU) node.This Kind structure splits the protocol layer of eNB in long term evolution (long term evolution, LTE) system, part protocol layer Function is placed on CU centralized control, and the function of being left part or all of protocol layer is distributed in DU, by CU centralized control DU.

2) terminal device, also referred to as user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT) etc., is a kind of equipment for providing a user voice and/or data connectivity, For example, handheld device, mobile unit etc. with wireless connecting function.Currently, the citing of some terminals are as follows: mobile phone (mobile phone), tablet computer, laptop, palm PC, mobile internet device (mobile internet Device, MID), wearable device, virtual reality (virtual reality, VR) equipment, augmented reality (augmented Reality, AR) equipment, the wireless terminal in Industry Control (industrial control), unmanned (self Driving the wireless terminal in wireless terminal, remote operation (remote medical surgery) in), smart grid The wireless terminal in wireless terminal, transportation safety (transportation safety) in (smart grid), smart city The wireless terminal etc. in wireless terminal, wisdom family (smart home) in (smart city).

3) communication system can be various wireless access technologys (radio access technology, RAT) system, example Such as such as CDMA (code division multiple access, CDMA), time division multiple acess (time division Multiple access, TDMA), it is frequency division multiple access (frequency division multiple access, FDMA), orthogonal Frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single-carrier frequency division multiple access (single carrier FDMA, SC-FDMA) and other systems etc..Term " system " can be replaced mutually with " network ".CDMA Such as wireless universal land access (universal terrestrial radio access, UTRA) may be implemented in system, The wireless technologys such as CDMA2000.UTRA may include that wideband CDMA (wideband CDMA, WCDMA) technology and other CDMA become The technology of shape.CDMA2000 can cover interim standard (interim standard, IS) 2000 (IS-2000), IS-95 and IS-856 standard.Such as global system for mobile communications (global system for mobile may be implemented in TDMA system Communication, GSM) etc. wireless technologys.Such as evolved universal Radio Terrestrial access may be implemented in OFDMA system (evolved UTRA, E-UTRA), super mobile broadband (ultra mobile broadband, UMB), IEEE 802.11 (Wi-Fi), the wireless technologys such as IEEE 802.16 (WiMAX), IEEE 802.20, Flash OFDMA.UTRA and E-UTRA are UMTS and UMTS evolution version.3GPP is in long term evolution (long term evolution, LTE) and based on each of LTE evolution Kind version is the new version using the UMTS of E-UTRA.In addition, the communication system can be applicable to the communication to face the future Technology.The system architecture and business scenario of the embodiment of the present application description are to more clearly illustrate the embodiment of the present application Technical solution does not constitute the restriction for technical solution provided by the embodiments of the present application, those of ordinary skill in the art it is found that With the differentiation of the network architecture and the appearance of new business scene, technical solution provided by the embodiments of the present application is for similar technology Problem, it is equally applicable.

In addition, it is necessary to understand, in the description of the present application, the vocabulary such as " first ", " second " are only used for distinguishing description Purpose, be not understood to indicate or imply relative importance, can not be interpreted as indication or suggestion sequence.

Based on communication system 100 provided by Fig. 1, as shown in Fig. 2, the application provides a kind of power headroom reporting (PHR) that sends Method flow, the executing subject of step S201 and step S202 can be terminal device in process shown in Fig. 2, or branch The device that terminal device realizes step S201 and step S202 function, such as chip or chip system are held, in the embodiment of the present application In, it is illustrated so that the executing subject of step S201 and step S202 are terminal device as an example, is walked in process shown in Fig. 2 The executing subject of rapid S203 and step S204 can be the network equipment, can also realize step S203 and step for the support network equipment The device of S204 function, such as chip or chip system, in the embodiment of the present application, with the execution of step S203 and step S204 Main body be the network equipment for be illustrated.

Step S201: the maximum transmission power and N number of activation bandwidth that terminal device is supported according to the first up-link carrier Partial total transmission power determines the power headroom of first up-link carrier.Wherein, first up-link carrier may include institute N number of activation portions of bandwidth is stated, the N is the integer more than or equal to 2.

In the example of the application, the detailed process of above-mentioned steps S201 can are as follows: terminal device determines that the first uplink carries The maximum transmission power of wave, terminal device determine the total transmission power of N number of activation portions of bandwidth, and terminal device is according to the first uplink The total transmission power of the maximum transmission power of carrier wave and N number of activation portions of bandwidth, determines the power headroom of the first up-link carrier.

In the example of the application, the method for determining the maximum transmission power that the first up-link carrier is supported, can with but In being not limited to using method provided by following Fig. 4.

In the example of the application, maximum that the power headroom of the first up-link carrier can be supported by the first up-link carrier The difference of the total transmission power of transmission power and N number of activation portions of bandwidth, for example, the emission maximum function that the first up-link carrier is supported Rate is 23dBm, and the total transmission power of N number of activation portions of bandwidth included by the first up-link carrier is 20dBm, then the first uplink The power headroom of carrier wave can be 3dBm.

In the embodiment of the present application, the power headroom of the first up-link carrier can transmit the first uplink for the first up-link carrier Power headroom when signal, correspondingly, power headroom reporting (PHR) is the power headroom reporting (PHR) of the first uplink signal, terminal device is determined It is N number of activation portions of bandwidth total transmission power process, can point following two feelings be described:

The first situation: if at least one target activation portions of bandwidth in N number of activation portions of bandwidth is for passing Defeated first uplink signal then activates the actual emission power of portions of bandwidth according to the target, determines N number of activation bandwidth portion The total transmission power divided.For the first situation, the total transmission power of N number of activation portions of bandwidth calculated can be described as N number of sharp The actual emission power of portions of bandwidth living.In the embodiment of the present application, at least one can be one, two, three or other More positive integers, the application is with no restrictions.

In the embodiment of the present application, target activation portions of bandwidth can be specially one or more in N number of activation portions of bandwidth A activation portions of bandwidth, for example, there are 3 activation portions of bandwidth to be used for transmission the first uplink signal in N number of activation portions of bandwidth, So, above-mentioned at least one target activation portions of bandwidth refers specifically to the above-mentioned 3 activation bandwidth for being used for transmission the first uplink signal Part.Similarly, if there is 1 activation portions of bandwidth to be used for transmission the first uplink signal in above-mentioned N number of activation portions of bandwidth, that , above-mentioned at least one target activation portions of bandwidth refers specifically to the above-mentioned 1 activation bandwidth portion for being used for transmission the first uplink signal Point.

In the embodiment of the present application, first uplink signal can be Physical Uplink Shared Channel (physical uplink Shared channel, PUSCH), Physical Uplink Control Channel (physical uplink control channel, PUCCH) Or detection reference signal (sounding reference signal, SRS).

In the embodiment of the present application, for the first situation, by taking the first uplink signal is PUSCH signal as an example, specifically The bright power headroom for how determining the first up-link carrier, specifically: the power headroom of the first up-link carrier can meet following formula (1.1):

Wherein, the PH_type1,f,cIndicate the power headroom of first up-link carrier, the P_CMAX,f,cIndicate described The maximum transmission power that one up-link carrier is supported, it is describedIndicate the first up-link carrier f N number of activation portions of bandwidth total transmission power, the P_PUSCH,b,f,cIndicate the activation portions of bandwidth of the first up-link carrier f The transmission power of b, it is describedIndicate the linear of the transmission power of the activation portions of bandwidth b of the first up-link carrier f Value.And if the activation portions of bandwidth b of the first up-link carrier f does not emit the first uplink signal,Take Value is 0.And work as P_CMAX,f,cValue be less thanWhen, the terminal device determines PH_type1,f,c's Value is 0.

In the example of the application, the transmission power of the activation portions of bandwidth b of the first up-link carrier f can meet Following formula (1.2):

Wherein, the P_PUSCH,b,f,cIndicate the transmission power of the activation portions of bandwidth b of the first up-link carrier f；It is described P_{O_PUSCH,b,f,c}It indicates the initial reception power configured on the activation portions of bandwidth b of the first up-link carrier f, is believed according to high level The RRC signaling and/or system broadcast message configuration information for enabling UE grades determine；It is describedIt indicates in first up-link carrier The number for dispatching PRB on the activation portions of bandwidth b of f for terminal device, determines according to the scheduling information in UE grades of DCI；It is described α_b,f,cIndicate the road loss compensation factor on the activation portions of bandwidth b of the first up-link carrier f for terminal equipment configuration, according to Configuration information in UE grades of RRC signaling determines；The PL_b,f,cIndicate terminal device according to reference signal q_dFor the first uplink load Wave f is activating the configuration information in RRC signaling of the circuit loss value of portions of bandwidth b estimation according to UE grades determining；Δ_TF,b,f,cIndicate with The relevant parameter of transformat is determined according to the configuration information in UE grades of RRC signaling or system message；The f_b,f,cIt indicates to use The size of terminal device uplink power is adjusted in dynamic, is determined according to UE grades or UE-group grades DCI information.

Second situation: if N number of activation portions of bandwidth is not used for transmitting first uplink signal, basis The virtual emission power of N number of activation portions of bandwidth determines the total transmission power of N number of activation portions of bandwidth.For The total transmission power of two kinds of situations, N number of activation portions of bandwidth calculated can be described as the virtual emission function of N number of activation portions of bandwidth Rate.

For the second situation, determine that the power headroom of the first up-link carrier can be divided into following methods: first Kind virtual emission power the sum of of the mode based on N number of activation portions of bandwidth included by the first up-link carrier, determines the first uplink The power headroom of carrier wave；Virtual emission function of the second way based on the first activation portions of bandwidth included by the first up-link carrier Rate determines the power headroom of the first up-link carrier, wherein N number of activation portions of bandwidth included by first up-link carrier, The virtual emission power of the first activation portions of bandwidth is maximum or minimum；The third mode is based on the first up-link carrier and is wrapped The virtual emission power of the second activation portions of bandwidth included, determines the power headroom of the first up-link carrier, second activating belt Wide portion is any activation portions of bandwidth in N number of activation portions of bandwidth included by first up-link carrier.

In the embodiment of the present application, for the first way of second situation, with the first uplink signal for PUSCH signal For, the power headroom for how determining the first up-link carrier is described in detail, it is specific as follows: more than the power of first up-link carrier Amount, meets following formula (1.3):

Wherein, the PH_type1,f,cIndicate the power headroom of first up-link carrier, it is describedIndicate described The maximum transmission power that one up-link carrier is supported, it is describedIndicate N number of activation bandwidth portion The total transmission power divided, the P_PUSCH,b,f,cIndicate the virtual emission power of activation portions of bandwidth, it is describedIt indicates to swash The linear value of the virtual emission power of BWP living.

In the example of the application, the virtual emission power P of the activation portions of bandwidth_PUSCH,b,f,c, can meet following Formula (1.4):

P_PUSCH,b,f,c=P_{O_PUSCH,b,f,c}+α_b,f,c·PL_b,f,c+f_b,f,c；Formula (1.4)

Wherein, the P_PUSCH,b,f,cIndicate the virtual emission power of the activation portions of bandwidth, the P_{O_PUSCH,b,f,c}Table Show the initial reception power configured on the activation portions of bandwidth b of the first up-link carrier f, the α_b,f,cIt indicates described first It is the road loss compensation factor of terminal equipment configuration, the PL on the activation portions of bandwidth b of up-link carrier f_b,f,cIndicate terminal device According to reference signal q_dCircuit loss value for the first up-link carrier f in activation portions of bandwidth b estimation, the f_b,f,cIt indicates for dynamic Adjust the size of terminal device uplink power.

In the embodiment of the present application, for the second way of second situation, with the first uplink signal for PUSCH signal For, the power headroom for how determining the first up-link carrier is described in detail, it is specific as follows: more than the power of first up-link carrier Amount, meets following formula (1.5) or meets following formula (1.6):

Wherein, the PH_type1fcIndicate the power headroom of first up-link carrier, it is describedIndicate described The maximum transmission power that one up-link carrier is supported, the MAX_b∈f{P_{O_PUSCH,b,f,c}+α_b,f,c·PL_b,f,c+f_b,f,cIndicate institute The virtual emission power for stating the first activation portions of bandwidth, in N number of activation portions of bandwidth included by first up-link carrier, institute The virtual emission performance number for stating the first activation portions of bandwidth is maximum.

Wherein, the PH_{Type1, f, c}Indicate the power headroom of first up-link carrier, it is describedIndicate described The maximum transmission power that one up-link carrier is supported, the MIN_b∈f{P_{O_PUSCH,b,f,c}+α_b,f,c·PL_b,f,c+f_b,f,cIndicate institute The virtual emission power for stating the first activation portions of bandwidth, in N number of activation portions of bandwidth included by first up-link carrier, institute The virtual emission performance number for stating the first activation portions of bandwidth is minimum.

In the embodiment of the present application, for the third mode of second situation, with the first uplink signal for PUSCH signal For, the power headroom for how determining the first up-link carrier is described in detail, it is specific as follows: more than the power of first up-link carrier Amount, meets following formula (17):

Wherein, the PH_type1,f,cIndicate the power headroom of first up-link carrier, it is describedIndicate described The maximum transmission power that one up-link carrier the is supported, (P_{O_PUSCH,b}=_0,f,c+α_{B=0, f, c}·PL_{B=0, f, c}+f_{B=0, f, c}) indicate The virtual emission power of the second activation portions of bandwidth, the second activation portions of bandwidth are wrapped by first up-link carrier Any activation portions of bandwidth in N number of activation portions of bandwidth included.

Step S202: terminal device sends power headroom reporting (PHR), and the power headroom reporting (PHR) is used to indicate on described first The power headroom of row carrier wave.

Optionally, in the embodiment of the present application, when the uplink signal of terminal device transmission can be PUCCH, the power Headroom reporting is the power headroom reporting (PHR) of PUCCH；When the uplink signal of terminal device transmission is PUSCH, the power headroom It is reported as the power headroom reporting (PHR) of PUSCH；When the uplink signal of terminal device transmission is SRS, the power headroom reporting (PHR) is The power headroom reporting (PHR) of SRS.

In the embodiment of the present application, following 6 kinds of trigger conditions be can define, one in the following 6 kinds of trigger conditions of satisfaction Or when multiple conditions, or when activating portions of bandwidth switching, terminal device is that can trigger reporting for power headroom, i.e., terminal is set Preparation send power headroom reporting (PHR).

The first trigger condition: PHR forbids timer (prohibitPHR-Timer) overtime, and the path loss of serving cell Value is greater than or equal to threshold value.

In the embodiment of the present application, the settable prohibitPHR-Timer timer of terminal equipment side.When After prohibitPHR-Timer time-out or time-out, and the circuit loss value of serving cell is greater than threshold value, and terminal device can pass through number It is believed that road is reported to network equipment reporting power margin.

In a kind of example of the first trigger condition, it is that terminal is set that the circuit loss value of the serving cell, which can be the network equipment, Standby configuration, terminal device is reported in reporting power margin to the network equipment, and prohibitPHR-Timer timing can be restarted Device.

Second of trigger condition: periodicPHR-Timer time-out.

In the embodiment of the present application, terminal equipment side may be provided with periodicPHR-Timer timer.When After periodicPHR-Timer time-out or time-out, terminal device can be by data channel to network equipment reporting power margin Report.Further, after terminal device is reported to network equipment reporting power margin, periodicPHR-Timer can be restarted Timer.For above-mentioned second of trigger condition, it is believed that terminal device is periodically reported to network equipment reporting power margin.

The third trigger condition: when the relevant parameter of reconfiguration PHR or timer.

In the embodiment of the present application, if terminal device receives the first information of network equipment transmission, and described first Information is used for the value of the relevant parameter value of PHR or timer reconfigured, then terminal device can be by data channel to network The report of equipment reporting power margin.

4th kind of trigger condition: for uplink auxiliary serving cell (secondary cell, SCell) quilt of terminal equipment configuration Activation.

It in the embodiment of the present application, can be auxiliary terminal equipment configuration and business cell and main serving cell, when auxiliary service is small When area is activated, terminal device can reporting power margin report to the network equipment.

5th kind of trigger condition: for terminal device add second community group main SCell (primary sCell, PSCell)。

In the embodiment of the present application, when setting addition PSCell for terminal, it can trigger terminal device reporting power margin report It accuses.

6th kind of trigger condition: prohibitPHR-Timer time-out, and power management maximum power attenuation (power Management maximum power reduction, P-MPR) it is greater than or equal to threshold value, the P-MPR can be also referred to as function Rate fallback value.

In the embodiment of the present application, for any one SCell, after prohibitPHR-Timer time-out or time-out, And back-off value is greater than or equal to threshold value, terminal device can be by data channel to network equipment reporting power margin report It accuses.Wherein, it is terminal equipment configuration that the threshold value of back-off value, which can be the network equipment,.Further, terminal device exists To after the report of network equipment reporting power margin, prohibitPHR-Timer timer can be restarted.

Step S203: the network equipment receives power headroom reporting (PHR).

Step S204: the network equipment determines the power headroom of first up-link carrier according to the power headroom reporting (PHR).

In the embodiment of the present application, the example above is still continued to use, the first up-link carrier includes 2 activation BWP, respectively BWP1 And BWP2, and the maximum transmission power that the first up-link carrier is supported is 23dBm, the transmission power of BWP1 is 20dBm (20dBm =10lg (10²)), the transmission power of BWP2 is 20dBm (20dBm=10lg (10²)), then total transmitting function of BWP1 and BWP2 Rate is 23dBm (23dBm=10lg (10²+10²)), the power headroom of the first up-link carrier is 0dBm (0dBm=23dBm- 23dBm).It is 3dBm relative to the above-mentioned power headroom for reporting BWP1, reports the mode that the power headroom of BWP2 is 3dBm, can mention The accuracy that high power surplus reports.

Therefore in the embodiment of the present application, be the maximum transmission power supported based on the first up-link carrier and The total transmission power of all activated portions of bandwidth calculates the power headroom of the first up-link carrier, relative to conventional method, based on the The transmission power of emission maximum function and an activation portions of bandwidth that one up-link carrier is supported, calculates an activation bandwidth portion The power headroom divided, can be improved the accuracy of terminal device reporting power margin.

As shown in figure 3, the application provides a kind of method flow for sending power headroom reporting (PHR), walked in process shown in Fig. 3 The executing subject of rapid S301 and step S302 can be terminal device, or terminal device is supported to realize step S301 and step The device of rapid S302 function, such as chip or chip system, in the embodiment of the present application, with holding for step S301 and step S302 Row main body is is illustrated for terminal device, the executing subject of step S303 and step S304 in process shown in Fig. 3 Can be the network equipment, can also for support the network equipment realize step S303 and step S304 function device, such as chip or Chip system is lifted so that the executing subject of step S303 and step S304 are the network equipment as an example in the embodiment of the present application Example explanation.

Step S301: maximum transmission power that terminal device is supported according to the first up-link carrier, the first activation bandwidth portion The transmission power divided and the first power share the factor, determine the power headroom of the first activation portions of bandwidth.

In the embodiment of the present application, may include N number of activation portions of bandwidth in first up-link carrier, the N be greater than Integer equal to 2, the first activation portions of bandwidth in above-mentioned steps S301 can be sharp to either one or two of above-mentioned N number of activation portions of bandwidth Portions of bandwidth living, it is that power corresponding to the first activation portions of bandwidth shares the factor that first power, which shares the factor,.

In the embodiment of the present application, the specific implementation process of above-mentioned steps S301 can are as follows: terminal device determines the first uplink The maximum transmission power that carrier wave is supported determines the transmission power and the first activation portions of bandwidth of the first activation portions of bandwidth Corresponding first power shares the factor, finally, the maximum transmission power supported according to first up-link carrier, the first activation The transmission power of portions of bandwidth and the first power share the factor, determine the power headroom of the first activation portions of bandwidth.

In the embodiment of the present application, the power headroom of the first activation portions of bandwidth can be specially that the first activation portions of bandwidth exists Power headroom when the first uplink signal is transmitted, correspondingly, power headroom reporting (PHR) can be the power headroom report of the first uplink signal It accuses, on how to determine the transmission power of the first activation portions of bandwidth, can specifically point following two situation discuss:

For the first situation, if the first activation portions of bandwidth is used for transmission first uplink signal, root According to the actual emission power of the first activation portions of bandwidth, the transmission power of the first activation portions of bandwidth is determined.For The transmission power of the first situation, the first activation portions of bandwidth is alternatively referred to as the actual emission power of the first activation portions of bandwidth.

Correspondingly, being directed to the first situation, determines the power headroom of the first activation portions of bandwidth, following formula can be met (18):

Wherein, the PH_type1,b,f,cIndicate that the power headroom of the first activation portions of bandwidth, the α indicate more than the first power Amount shares the factor, the P_CMAX,f,cIndicate the maximum transmission power that the first up-link carrier is supported, it is describedIndicate the first activation bandwidth Partial actual emission power.

For second situation, if the first activation portions of bandwidth is not used for transmitting first uplink signal, According to the virtual emission power of the first activation portions of bandwidth, the transmission power of the first activation portions of bandwidth is determined.Needle To second situation, the transmission power of the first activation portions of bandwidth is also referred to as the virtual emission power of the first activation portions of bandwidth.

Correspondingly, being directed to second situation, determines the power headroom of the first activation portions of bandwidth, following formula can be met (1.9):

Wherein, the PH_type1,b,f,cIndicate that the power headroom of the first activation portions of bandwidth, the α indicate more than the first power Amount shares the factor, describedIndicate the maximum transmission power of the first up-link carrier, { P_{O_PUSCH,b,f,c}+α_b,f,c· PL_b,f,c+f_b,f,cIndicate the described first virtual emission power for activating portions of bandwidth.

Step S302: terminal device sends power headroom reporting (PHR), and the power headroom reporting (PHR) is used to indicate described first and swashs The power headroom of portions of bandwidth living.

In the embodiment of the present application, in 6 kinds of trigger conditions that terminal device can be recorded in meeting process shown in above-mentioned Fig. 2 Either condition or when multiple conditions, trigger reporting for power headroom, or when activating portions of bandwidth switching, trigger activating belt Wide portion reports.

Step S303: the network equipment receives power headroom reporting (PHR).

Step S304: the network equipment determines the power headroom of the first activation portions of bandwidth according to power headroom reporting (PHR).

It should be noted that may include N number of activation bandwidth portion in above-mentioned process shown in Fig. 3, in the first up-link carrier Point, the N is that can configure a power more than or equal to 2 in advance for an activation portions of bandwidth in N number of activation portions of bandwidth and share The factor, the power sharing factor of an activation portions of bandwidth shares the factor with the power of another activation portions of bandwidth can be identical, It can also be different.In the embodiment of the present application, for an activation portions of bandwidth in N number of activation portions of bandwidth, it can be performed one The first activation bandwidth portion in process shown in step S301 to step S304 namely above-mentioned Fig. 3 in process shown in secondary above-mentioned Fig. 3 Divide to be any activation portions of bandwidth in N number of activation portions of bandwidth.

In the embodiment of the present application, an activation portions of bandwidth in the first up-link carrier can correspond to a power sharing The factor, and power corresponding to an activation portions of bandwidth shares the factor, can be pre-configured with to terminal device, can also be network The corresponding relationship is indicated to terminal device by signaling or information by equipment, is no longer limited herein.

Optionally, in the embodiment of the present application, power share the factor size can with activate bandwidth in the first up-link carrier Partial number is related, for example, activating the number of portions of bandwidth more in the first up-link carrier, power shares the factor can be smaller. For example, it can be 1 that the power, which shares the factor, when whole when only including an activation portions of bandwidth in entire first up-link carrier When including two activation portions of bandwidth in a first up-link carrier, it can be 0.5 that the power of an activation portions of bandwidth, which shares the factor, It can be 0.5 etc. that the power of another activation portions of bandwidth, which shares the factor,.

In the embodiment of the present application, the example above is still continued to use, includes two activation BWP in the first up-link carrier, respectively BWP1 and BWP2, and by calculating, determine that the supported maximum transmission power of the first up-link carrier is 23dBm, the transmitting of BWP1 Power is 20dBm, and the transmission power of BWP2 is 20dBm, and sets power corresponding to BWP1 and share the factor as a1, and BWP2 institute is right It is a2 that the power answered, which shares the factor, and the size of a1 and a2 is 0.5.Using the method in process shown in above-mentioned Fig. 3, calculated BWP1 power headroom be 1.5dBm (a1* (23dBm-20dBm)=0.5*3dBm=1.5dBm), it is similarly, calculated The power headroom of BWP2 is also 1.5dBm.And the calculation of traditional calculation method is used, more than the power of BWP1 calculated Amount is 3dBm, and the power headroom of BWP2 is 3dBm.Through above-mentioned analysis it is found that under above-mentioned hypothesis, actually the first uplink is carried Power headroom in wave is 0, it is seen that power headroom can be improved relative to traditional method using process provided by above-mentioned Fig. 3 The accuracy reported.Meanwhile in process shown in Fig. 3, terminal device reports the power headroom of an activation portions of bandwidth, can So that the network equipment it is more accurate know one of portions of bandwidth activation portions of bandwidth of multiple activation in a up-link carrier Power headroom.

The application also provides a kind of Poewr control method of uplink signal, and this method is mainly used for determining the hair of uplink signal Penetrate power.

Specifically, in the embodiment of the present application, the emission maximum function that terminal device can be supported according to the first up-link carrier Rate and the first transmission power, determine the transmission power of uplink signal.First transmission power can be according to high-level signaling Configuration parameter and DCI in instruction information determined by.

In the embodiment of the present application, the method for determining the maximum transmission power that the first up-link carrier is supported, can with but in It is not limited to using method provided by following Fig. 4.

In the example of the application, the transmission power of uplink signal can be in the maximum transmission that the first up-link carrier is supported Minimalization in power and first transmission power.

In the embodiment of the present application, by taking uplink signal is PUSCH as an example, the transmitting function for determining uplink signal is illustrated how Rate, for example, the transmission power of PUSCH can meet following formula (1.10):

Wherein, the P_PUSCH,b,f,cIndicate the transmission power of PUSCH, the P_CMAX,f,cIndicate first up-link carrier The maximum transmission power supported, it is described Indicate first transmission power, the parameter about specific high-rise configuration parameter and DCI instruction in first transmission power Introduction, reference can be made to the introduction of above-mentioned formula (1.2).

As shown in figure 4, the application also provides a kind of method of the supported maximum transmission power of the first up-link carrier of determination, it should Method can be applied particularly in process shown in above-mentioned Fig. 2 and Fig. 3, the emission maximum function supported for calculating the first up-link carrier Rate, it can also be used to which in the power control process of uplink signal, for the application scenarios of method shown in Fig. 4, the application does not make specifically Restriction.In process shown in Fig. 4, the executing subject of this method can be terminal device, can also realize for support terminal device The device of this method, such as chip or chip system.It in the embodiment of the present application, is eventually with the executing subject of process shown in Fig. 4 For end equipment, illustrate concrete implementation process.

Step S401: terminal device determines the power attenuation factor.

In the embodiment of the present application, the power attenuation factor or the network equipment of the predefined terminal device of agreement can be passed through It can be terminal device by dedicated wireless heterogeneous networks (radio resource control, RRC) signaling or broadcast message Configure the power attenuation factor.

It in the embodiment of the present application, may include N number of activation portions of bandwidth in first up-link carrier, the N is integer, The power attenuation factor can be according to determined by the waveform used in N number of activation portions of bandwidth transmission uplink signal.

For example, in the example of the application, it is described if using first waveform in N number of activating part bandwidth The power attenuation factor can be the first power attenuation factor；If using first waveform and second in N number of activation portions of bandwidth Waveform, the power attenuation factor are the second power attenuation factor；If using described in N number of activation portions of bandwidth Two waveforms, the power attenuation power factor are the third power attenuation factor.And first the power attenuation factor be less than or equal to second The power attenuation factor, the second power attenuation factor are less than or equal to the third power attenuation factor.

In the embodiment of the present application, the first waveform can be cyclic prefix orthogonal frequency division multiplexing (cyclic prefix- Orthogonal frequency division multiplexing, CP-OFDM) waveform, second waveform can be discrete Orthogonal frequency division multiplexing (discrete fourier the transform-spread OFDM, DFT-s- that Fourier transformation is expanded OFDM) waveform.

Optionally, in the embodiment of the present application, the first waveform and second waveform may also include in following waveform One or more: multicarrier waveform (filter-bank based multi-carrier, FBMC) based on wave filter group, OFDM waveform (Filtered-OFDM), broad sense frequency division multiplexing waveform (generalized frequency based on filter Division multiplexing) and general filtering multicarrier waveform (universal filtered multi Carrier, UFMC).

Step S402: terminal device determines the maximum hair that the first up-link carrier is supported according to the power attenuation factor Penetrate power.

In the embodiment of the present application, terminal device can determine that the first up-link carrier is propped up first according to the power attenuation factor At least one of the maximum transmission power upper limit that the maximum transmission power lower limit and the first up-link carrier held are supported；Then eventually The maximum hair that the maximum transmission power lower limit and the first up-link carrier that end equipment can be supported according to the first up-link carrier are supported The upper limit of the power is penetrated, determines the maximum transmission power that the first up-link carrier is supported.For example, the maximum that the first up-link carrier is supported Transmission power can be greater than or equal to the maximum transmission power lower limit supported of first up-link carrier, be less than or equal to described the The maximum transmission power upper limit that one up-link carrier is supported.

In the embodiment of the present application, the maximum transmission power that first up-link carrier is supported, meets following formula (1.11):

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；Formula (1.11)

Example one

The power attenuation factor is related to the maximum transmission power lower limit that first up-link carrier is supported, power attenuation because The sub maximum transmission power upper limit supported with first up-link carrier is unrelated, i.e., the maximum that only the first up-link carrier is supported Transmitting power lower limit is determined according to the power attenuation factor:

In example one, the maximum transmission power lower limit that the first up-link carrier is supported can meet following formula (1.12) Or formula (1.13):

P_{CMAX_L,f,c}=MIN { P_EMAX,c-ΔT_C,c,(P_PowerClass-ΔP_PowerClass)-MAX(A+MPRc+A-MPRc+Δ T_IB,c+ΔT_C,c,P-MPRc)}

Formula (1.12)

P_{CMAX_L,f,c}=MIN { P_EMAX,c-ΔT_C,c-A,(P_PowerClass-ΔP_PowerClass)-MAX(A+MPRc+A-MPRc+Δ T_IB,c+ΔT_C,c,P-MPRc)}

Formula (1.13)

Wherein, the P_{CMAX_L,f,c}Indicate the maximum transmission power lower limit that first up-link carrier is supported.

The P_EMAX,cIndicate the maximum transmission power on the first up-link carrier of network equipments configuration, it is logical for the network equipment Cross the maximum transmission power of RRC signaling or broadcast message configuration on cell c carrier wave f.

The Δ T_C,cAt present also in definition, by taking some carrier wave in LTE as an example, when the transmission bandwidth of terminal device Carrier bandwidths minimum 4MHz or highest 4MHz when, the Δ T_C,cValue be 1.5dB power fade, otherwise Δ T_C,cValue Take zero.

The P_PowerClassThe power grade of the terminal device is indicated, for example, for the emission maximum function of power grade 2 Rate is 26dBm, and the maximum transmission power for power grade 3 is 23dBm.

The Δ P_PowerClassIndicate the power grade of terminal device, such as the UE work of the power grade 2 when terminal device Make in band 41, as the P of high-level signaling configuration_EMAX,cFor some value A, Δ P when such as 26dBm_PowerClassEqual to 3dB, or When uplink-downlink configuration is 0 or 6 and the value of configuration is less than A, Δ P_PowerClassEqual to 0dB.

The MPRc indicates maximum power attenuation, the PRB and modulation format that the MPRc and channel width, transmission occupy It is related.

The A-MPRc indicates additional maximum power attenuation, specially supports the terminal device polymerizeing with interior continuous carrier fixed The additional maximum power attenuation of justice.

Institute Δ T_IB,cIt is currently in definition, to support the terminal device of Inter-Band CA to need on some carrier wave The power attenuation value of support.

The P-MPRc indicates power management maximum power attenuation value.

The A is a power attenuation factor, the number of the BWP where the power attenuation factor and the first uplink signal transmissions The uplink waveform of mesh and BWP is related or the power attenuation factor is according to the BWP numbers of first uplink signal transmissions And/or first the waveform that is transmitted on a BWP of uplink signal determine or the power factor believed according to first uplink The modulation lattice that the BWP number of number transmission, the waveform that is transmitted on a BWP of the first uplink signal and the first uplink signal use At least one of formula determines.

It include the BWP of two activation, if practical The BWP number of transmission is 1, then P_CMAX,f,cCalculating can be found in existing calculation, i.e., it is believed that A value be 0；Assuming that on first The BWP number of row signal actual transmissions is 2, and is all CP-OFDM waveform on two BWP, then P_CMAX,f,cIt is additionally introduced when calculating The power fade factor can be A1 (such as the value of A1 can for 0)；If the waveform in two BWP on 1 BWP is CP-OFDM Waveform, the waveform on another BWP are DFT-s-OFDM waveform, then P_CMAX,f,cThe power fade factor additionally introduced when calculating can For A2 (for example, the value of A2 can be 0.5dB)；If the waveform on two BWP is DFT-s-OFDM waveform, P_CMAX,f,cMeter The power fade factor additionally introduced when calculation is A3 (for example, the value of A3 can be 1dB or bigger)；

Optionally, A1 may be less than or equal to A2, and A2 may be less than or equal to A3 namely actual transmissions waveform is DFT-s-OFDM Uplink BWP number it is more, the power attenuation factors A of introducing is bigger, the P calculated_CMAX,f,cIt is smaller；Actual transmissions waveform is The uplink BWP number of CP-OFDM waveform is more, and the power attenuation factors A of introducing is smaller, the P calculated_CMAX,f,cIt is bigger.

Optionally, two BWP using a kind of modulation format or when, such as modulation format can be quadrature phase shift keying (Quadrature Phase Shift Keying, QPSK) or quadrature amplitude modulation (Quadrature Amplitude Modulation, QAM), A1 may be less than or equal to A2, and A2 may be less than or equal to A3 namely actual transmissions waveform is DFT-s- The uplink BWP number of OFDM is more, and the power attenuation factors A of introducing is bigger, the P calculated_CMAX,f,cIt is smaller；Actual transmissions wave Shape is that the uplink BWP number of CP-OFDM waveform is more, and the power attenuation factors A of introducing is smaller, the P calculated_CMAX,f,cMore Greatly.

Optionally, when two BWP use the waveform combination of certain format, such as a BWP uses CP-OFDM waveform, One BWP uses DFT-s-OFDM；Or two BWP use CP-OFDM or DFT-s-OFDM waveform, the tune of the first uplink signal Order processed is higher, and power attenuation factors A value is bigger, the P calculated_CMAX,f,cIt is smaller.Wherein, the tune of first uplink signal Format processed is gradually got higher from QPSK, 16QAM, 64QAM to 256QAM.

In example one, the maximum transmission power upper limit that first up-link carrier is supported can meet following formula (1.14):

P_{CMAX_H,f,c}=MIN { P_EMAX,c,P_PowerClass-ΔP_PowerClass}；Formula (1.14)

Wherein, the P_{CMAX_H,f,c}Indicate the maximum transmission power upper limit that first up-link carrier is supported, it is described P_EMAX,cIndicate maximum transmission power of the terminal device of network equipments configuration on first up-link carrier, it is described P_PowerClassWith Δ P_PowerClassIndicate the power grade of the terminal device.

Example two

The power attenuation factor is related to the maximum transmission power upper limit that first up-link carrier is supported, power attenuation because The sub maximum transmission power lower limit supported with first up-link carrier is unrelated, i.e., the maximum that only the first up-link carrier is supported Upper limit of emission power is determined according to the power attenuation factor.

In example two, the maximum transmission power upper limit that the first up-link carrier is supported can meet following formula (1.15) Or formula (1.16):

P_{CMAX_H,f,c}=MIN { P_EMAX,c,P_PowerClass-ΔP_PowerClass-A}

Formula (1.15)

P_{CMAX_H,f,c}=MIN { P_EMAX,c-A,P_PowerClass-ΔP_PowerClass}

Formula (1.16)

Wherein, the P_{CMAX_H,f,c}Indicate the maximum transmission power upper limit that first up-link carrier is supported, it is described P_PowerClassWith Δ P_PowerClassIndicate that the power grade of the terminal device, the A indicate the power attenuation of the terminal device The factor.

In example two, the maximum transmission power lower limit that first up-link carrier is supported can meet following formula (1.17):

P_{CMAX_L,f,c}=MIN { P_EMAX,c-ΔT_C,c,(P_PowerClass-ΔP_PowerClass)-MAX(MPRc+A-MPRc+ΔT_IB,c +ΔT_C,c,P-MPRc)}

Formula (1.17)

The P_EMAX,cIndicate the maximum transmission power on the first up-link carrier of network equipments configuration, it is logical for the network equipment It crosses RRC signaling and configures the maximum transmission power on cell c carrier wave f.

The P-MPRc indicates power management maximum power attenuation value.

Example three

The maximum transmission power upper limit and first uplink that the power attenuation factor and first up-link carrier are supported The maximum transmission power lower limit that carrier wave is supported is related, i.e. the maximum transmission power upper limit and that the first up-link carrier is supported The maximum transmission power lower limit that one up-link carrier is supported is determined according to the power attenuation factor.

In example three, the maximum transmission power upper limit that first up-link carrier is supported can meet above-mentioned formula (1.15) or formula (1.16), the maximum transmission power lower limit that first up-link carrier is supported can meet above-mentioned formula (1.12) or formula (1.13).

It should be further noted that in the embodiment of the present application, the power attenuation factor is according on described first What the waveform that the BWP number and/or the first uplink signal that the transmission of row signal occupies are transmitted on BWP determined；Or the power Decay factor is BWP number and/or the first uplink signal institute on a BWP occupied according to first uplink signal transmissions What the waveform of transmission determined, in this application, the name of the power attenuation factor is not referred to as and is limited, the power attenuation factor is also It can be described as the relevant power attenuation factor of waveform or MRPb etc..

As shown in figure 5, the application provides a kind of method flow for sending power headroom reporting (PHR), walked in process shown in Fig. 5 The executing subject of rapid S501 and step S502 can be terminal device, or terminal device is supported to realize step S501 and step The device of rapid S502 function, such as chip or chip system, in the embodiment of the present application, with holding for step S501 and step S502 Row main body is is illustrated for terminal device, the executing subject of step S503 and step S504 in process shown in Fig. 5 Can be the network equipment, can also for support the network equipment realize step S503 and step S504 function device, such as chip or Chip system is lifted so that the executing subject of step S503 and step S504 are the network equipment as an example in the embodiment of the present application Example explanation.

Step S501: the maximum transmission power and described first that terminal device is supported according to the first activation portions of bandwidth The transmission power for activating portions of bandwidth determines the power headroom of the first activation portions of bandwidth.

In the embodiment of the present application, the specific implementation process of above-mentioned steps S501 can are as follows: terminal device determines the first activation The transmission power of maximum transmission power and the first activation portions of bandwidth that portions of bandwidth is supported, according to the first activation bandwidth The transmission power of maximum transmission power and the first activation portions of bandwidth that part is supported, determines the first activation portions of bandwidth Power headroom, for example, the power headroom of the first activation portions of bandwidth can be equal to the maximum hair that the first activation portions of bandwidth is supported Penetrate the difference of the transmission power of power and the first activation portions of bandwidth.

In the embodiment of the present application, the first maximum transmission power for being supported of activation portions of bandwidth can according to be pre-configured with to The maximum transmission power of first activation portions of bandwidth is determined.

For example, the maximum transmission power of the first activation portions of bandwidth, which can be equal to, to be pre-configured in the example of the application First activation portions of bandwidth maximum transmission power.

For another example, in another example of the application, the maximum transmission power of the first activation portions of bandwidth can be greater than or wait In the maximum transmission power lower limit of the first activation portions of bandwidth, less than or equal to the maximum transmission power of the first activation portions of bandwidth The upper limit, the emission maximum function of the maximum transmission power lower limit of the first activation portions of bandwidth and/or the first activation portions of bandwidth The rate upper limit can be determined according to being pre-configured with to the maximum transmission power of the first activation portions of bandwidth.

In the embodiment of the present application, the power headroom of the first activation portions of bandwidth, can be specially the first activation portions of bandwidth Power headroom when the first uplink signal is transmitted, correspondingly, power headroom reporting (PHR) is the power headroom reporting (PHR) of the first uplink signal, The transmission power of above-mentioned first activation portions of bandwidth, can be divided into following two situation:

The first situation: if the first activation portions of bandwidth is used for transmission first uplink signal, according to institute The actual emission power for stating the first activation portions of bandwidth determines the transmission power of the first activation portions of bandwidth.For first The transmission power of kind situation, the first activation portions of bandwidth is alternatively referred to as the actual emission power of the first activation portions of bandwidth.

For the first situation, the power headroom of the first activation portions of bandwidth can expire following formula (1.18):

Wherein, the PH_type1,b,f,cIndicate the power headroom of the first activation portions of bandwidth, the P_CMAX,b,f,cIndicate described The maximum transmission power of one activation portions of bandwidth, it is described Indicate the actual emission power of the first activation portions of bandwidth.

Second situation: if the first activation portions of bandwidth is not used for transmitting first uplink signal, basis The virtual emission power of the first activation portions of bandwidth determines the transmission power of the first activation portions of bandwidth.For The transmission power of situation at two, the first activation portions of bandwidth is alternatively referred to as the virtual emission power of the first activation portions of bandwidth.

For second situation, the power headroom of the first activation portions of bandwidth can meet following formula (1.19):

Wherein, the PH_{Type1, b, f, c}Indicate the power headroom of the first activation portions of bandwidth, it is describedIt indicates The maximum transmission power of the first activation the portions of bandwidth, { P_{O_PUSCH,b,f,c}+α_b,f,c·PL_b,f,c+f_b,f,cDescribed in expression The virtual emission power of first activation portions of bandwidth.

Step S502: terminal device sends power headroom reporting (PHR), and the power headroom reporting (PHR) is used to indicate described first and swashs The power headroom of portions of bandwidth living.

Step S503: the network equipment receives power headroom reporting (PHR).

Step S504: the network equipment determines the power of the first activation portions of bandwidth according to the power headroom reporting (PHR) Surplus.

In the embodiment of the present application, since terminal device can independently report more than power for an activation portions of bandwidth Amount, then the network equipment can get the power headroom situation of an activation portions of bandwidth, so that the network equipment can be accurate For terminal device dispatching uplink data.

In above-mentioned the embodiment of the present application, from the network equipment and the angle of terminal device interaction to provided by the embodiments of the present application Method is described.In order to realize each function in method provided by the embodiments of the present application, the network equipment and terminal device can To include hardware configuration and/or software module, come in the form of hardware configuration, software module or hardware configuration add software module Realize above-mentioned each function.Some function in above-mentioned each function adds software mould with hardware configuration, software module or hardware configuration The mode of block executes, specific application and design constraint depending on technical solution.

Identical as above-mentioned design, as shown in fig. 6, the application also provides a kind of device 600, which can be terminal Equipment is also possible to the dress of the function of terminal device in the method that terminal device can be supported to realize that Fig. 2, Fig. 3 or Fig. 5 are related to It sets.Illustratively, which can be the device (such as chip or chip system) in terminal device.It should be noted that at this Chip system can be made of chip in application embodiment, also may include chip and other discrete devices.The device 600 can wrap Include processing unit 601 and Transmit-Receive Unit 602；

For above-mentioned apparatus 600, the application provides following three kinds of examples:

The first example: processing unit 601, maximum transmission power and N for being supported according to the first up-link carrier The total transmission power of a activation portions of bandwidth, determines the power headroom of first up-link carrier, wherein first uplink carries It include N number of activation portions of bandwidth in wave, the N is the integer more than or equal to 2；Transmit-Receive Unit 602, for sending more than power Amount report, the power headroom reporting (PHR) are used to indicate the power headroom of first up-link carrier.

In the first example, specifically, the maximum transmission power that first up-link carrier is supported is according to power Determined by decay factor, the power attenuation factor is made according in N number of activation portions of bandwidth transmission uplink signal Determined by waveform, and if cyclic prefix orthogonal frequency division multiplexing CP-OFDM is used in N number of activating part bandwidth Waveform, the power attenuation factor are the first power attenuation factor；If using the CP- in N number of activating part bandwidth The orthogonal frequency division multiplexing DFT-s-OFDM waveform that OFDM waveform and discrete Fourier transform are expanded, the power attenuation factor are the The two power attenuation factors；If using the DFT-s-OFDM waveform, the power attenuation in N number of activating part bandwidth Power factor is the third power attenuation factor.The first power attenuation factor is less than or equal to the second power attenuation factor, The second power attenuation factor is less than or equal to the third power attenuation factor.

In the first example, the maximum transmission power that first up-link carrier is supported meets the following conditions:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

Wherein, P_CMAX,f,cIndicate the maximum transmission power that first up-link carrier is supported, the P_{CMAX_L,f,c}It indicates The maximum transmission power lower limit that first up-link carrier is supported, the P_{CMAX_H,f,c}Indicate that first up-link carrier is propped up The maximum transmission power upper limit held, the maximum transmission power lower limit and first uplink that first up-link carrier is supported carry At least one of the maximum transmission power upper limit that wave is supported is according to determined by the power attenuation factor

In the first example, the power headroom reporting (PHR) can be the power headroom reporting (PHR) of the first uplink signal, the place Unit 601 is managed, if at least one target activation portions of bandwidth being also used in N number of activation portions of bandwidth is used for transmission the One uplink signal then activates the actual emission power of portions of bandwidth according to the target, determines N number of activation portions of bandwidth Total transmission power.The processing unit 601 is not used for transmitting described first if being also used to N number of activation portions of bandwidth Uplink signal determines the total of N number of activation portions of bandwidth then according to the virtual emission power of N number of activation portions of bandwidth Transmission power.

Second of example: processing unit 601, maximum transmission power for being supported according to the first up-link carrier, first The transmission power and the first power for activating portions of bandwidth share the factor, more than the power for determining the first activation portions of bandwidth It measures, includes the first activation portions of bandwidth in first up-link carrier, it is described first that first power, which shares the factor, Power corresponding to portions of bandwidth is activated to share the factor；Transmit-Receive Unit 602, for sending power headroom reporting (PHR), more than the power Amount report is used to indicate the power headroom of the first activation portions of bandwidth.

For above-mentioned second of example, specific: first up-link carrier includes N number of activation portions of bandwidth, and described the One activation portions of bandwidth is the activation portions of bandwidth in N number of activation portions of bandwidth, and the N is the integer more than or equal to 2； The maximum transmission power that first up-link carrier is supported be according to determined by the power attenuation factor, the power attenuation because Son is according to determined by the waveform that uses in N number of activation portions of bandwidth transmission uplink signal, and if described N number of Activating part bandwidth uses cyclic prefix orthogonal frequency division multiplexing CP-OFDM waveform, and the power attenuation factor is the first power Decay factor；If expanded just in N number of activating part bandwidth using the CP-OFDM waveform and discrete Fourier transform Frequency division multiplexing DFT-s-OFDM waveform is handed over, the power attenuation factor is the second power attenuation factor；If in N number of activation Fractional bandwidth uses the DFT-s-OFDM waveform, and the power attenuation power factor is the third power attenuation factor.It is described The first power attenuation factor is less than or equal to the second power attenuation factor, and the second power attenuation factor is less than or equal to described The third power attenuation factor.

For above-mentioned second of example, the maximum transmission power that first up-link carrier is supported can meet following item Part:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

The third example: processing unit 601, for according to the first maximum transmission power for being supported of activation portions of bandwidth with And the transmission power of the first activation portions of bandwidth, determine the power headroom of the first activation portions of bandwidth；Transmit-Receive Unit 602, for sending power headroom reporting (PHR), the power headroom reporting (PHR) is used to indicate more than the power of the first activation portions of bandwidth Amount.

For the third above-mentioned example, specifically, the maximum transmission power that the first activation portions of bandwidth is supported is According to determined by the maximum transmission power being pre-configured with to the first activation portions of bandwidth.

For the third above-mentioned example, optionally, the maximum transmission power that the first activation portions of bandwidth is supported is big In or equal to the described first maximum transmission power lower limit for activating portions of bandwidth to be supported, described first activates portions of bandwidth to be propped up The maximum transmission power held is less than or equal to the maximum transmission power upper limit that the first activation portions of bandwidth is supported；Described The maximum transmission power lower limit that one activation portions of bandwidth is supported, the emission maximum supported with the first activation portions of bandwidth At least one of upper limit of the power, be according to be pre-configured with to it is described first activation portions of bandwidth maximum transmission power determined 's.

About the first above-mentioned example, second of example and the third exemplary introduction, can respectively referring to above-mentioned Fig. 2, The introduction of Fig. 3 and Fig. 5, details are not described herein.

Based on identical design, as shown in fig. 7, the application also provides a kind of device 700, which can be terminal Equipment is also possible to the device of function that terminal device can be supported to realize terminal device involved by above-mentioned Fig. 2, Fig. 3 or Fig. 5. Illustratively, device 700 can be the device (such as chip or chip system) in terminal device.It should be noted that in this Shen It chip system can please be made of chip in embodiment, also may include chip and other discrete devices.

Above-mentioned apparatus 700 may include at least one processor 701, send out for realizing provided by above-mentioned Fig. 2, Fig. 3 or Fig. 5 Send the function of terminal device in power headroom reporting (PHR).

It can also include at least one processor 702 in above-mentioned apparatus 700, for storing program instruction and/or data.It deposits Reservoir 702 and processor 701 couple.Coupling in the embodiment of the present application be INDIRECT COUPLING between device, unit or module or Communication connection can be electrical property, mechanical or other forms, for the information exchange between device, unit or module.Processor 701 may be with 702 cooperating of memory.Processor 701 may execute the program instruction stored in memory 702.It is described extremely At least one of few memory 702 may include in processor 701.

Above-mentioned apparatus 700 can also include communication interface 703, and device 700 can pass through communication interface 703 and other equipment Carry out information exchange.Communication interface 703 can be circuit, bus, transceiver or other arbitrarily can be used for carrying out information friendship Mutual device.Wherein, illustratively, which can be other terminal devices or the network equipment.Processor 701 can benefit Exemplary with 703 sending and receiving data of communication interface, communication interface 703 is for sending power headroom reporting (PHR).

It is not limited in the embodiment of the present application specific between above-mentioned communication interface 703, processor 701 and memory 702 Connect medium.The embodiment of the present application in Fig. 7 to pass through bus between memory 702, processor 701 and communication interface 703 Connection, bus indicate that the connection type between other components is only to be schematically illustrated, does not regard it as in Fig. 7 with thick line It is limited.The bus can be divided into address bus, data/address bus, control bus etc..For convenient for indicating, in Fig. 7 only with one slightly Line indicates, it is not intended that an only bus or a type of bus.

In the embodiment of the present application, processor can be general processor, digital signal processor, specific integrated circuit, Field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present application.General processor can be Microprocessor or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present application, can directly embody Execute completion for hardware processor, or in processor hardware and software module combination execute completion.

In the embodiment of the present application, memory can be nonvolatile memory, such as hard disk (hard disk drive, HDD) or solid state hard disk (solid-state drive, SSD) etc., it can also be volatile memory (volatile ), such as random access memory (random-access memory, RAM) memory.Memory, which can also be, can be used in taking Band or storage have the desired program code of instruction or data structure form and can be by any other Jie of computer access Matter, but not limited to this.Memory in the embodiment of the present application can also be circuit or other arbitrarily can be realized store function Device, for storing program instruction and/or data.

Fig. 8 provides a kind of structural schematic diagram of terminal device.The terminal device can correspond in Fig. 2, Fig. 3 and Fig. 5 Shown in terminal device.For ease of description, Fig. 8 illustrates only the main component of terminal device.As shown in figure 8, terminal device 800 may include processor, memory, control circuit, antenna and input/output unit.Processor is mainly used for communication protocol And communication data is handled, and is controlled entire user equipment, and software program is executed, processing software program Number.Memory is mainly used for storing software program and data, such as code book described in storage above-described embodiment.Control circuit It is mainly used for the conversion of baseband signal and radiofrequency signal and the processing to radiofrequency signal.Control circuit and antenna together can also be with It is called transceiver, is mainly used for the radiofrequency signal of transceiving electromagnetic waveshape.Input/output unit, such as touch screen, display screen, key Disk etc. is mainly used for receiving the data of user's input and to user's output data.

In the embodiment of the present application, processor can read the software program in storage unit, explain and execute software journey The instruction of sequence, the data of processing software program.When needing through wireless transmission data, processor is carried out to sent data After Base-Band Processing, for output baseband signal to radio circuit, radio circuit carries out radiofrequency signal baseband signal after radio frequency processing It is sent out in the form of an electromagnetic wave by antenna.When there is data to be sent to user equipment, radio circuit is received by antenna To radiofrequency signal, radiofrequency signal is converted into baseband signal, and baseband signal is exported to processor, processor is by baseband signal It is converted to data and the data is handled.

It will be understood by those skilled in the art that for ease of description, Fig. 8 illustrates only a memory and processor.In In actual user equipment, may exist multiple processors and memory.Memory is referred to as storage medium or storage Equipment etc., the embodiment of the present invention is without limitation.

As a kind of optional implementation, processor may include baseband processor and central processing unit, Base-Band Processing Device is mainly used for handling communication protocol and communication data, and central processing unit is mainly used for carrying out entire user equipment Control executes software program, the data of processing software program.Processor in Fig. 8 is integrated with baseband processor and central processing The function of device, it will be understood by those skilled in the art that baseband processor and central processing unit are also possible to processing independent Device is interconnected by technologies such as buses.It will be understood by those skilled in the art that user equipment may include multiple baseband processor with Different network formats are adapted to, user equipment may include multiple central processing units to enhance its processing capacity, user equipment All parts can be connected by various buses.The baseband processor can also be expressed as at baseband processing circuitry or base band Manage chip.The central processing unit can also be expressed as central processing circuit or central processing element.To communication protocol and The function that communication data is handled can it is built-in in the processor, storage unit can also be stored in form of software programs In, software program is executed to realize Base-Band Processing function by processor.

Illustratively, in inventive embodiments, can by with transmission-receiving function antenna and control circuit be considered as terminal and set Processor with processing function, is considered as the processing unit 802 of terminal device 800 by standby 800 Transmit-Receive Unit 801.Such as Fig. 8 institute Show, terminal device 800 may include Transmit-Receive Unit 801 and processing unit 802.Transmit-Receive Unit be referred to as transceiver, transceiver, R-T unit etc..Optionally, the device in Transmit-Receive Unit 801 for realizing receive capabilities can be considered as receiving unit, will received Device in bill member 801 for realizing sending function is considered as transmission unit, i.e. Transmit-Receive Unit 801 includes receiving unit and transmission Unit is illustrative, and receiving unit is referred to as receiver, receiver, receives circuit etc., and transmission unit is properly termed as emitting Machine, transmitter or transmit circuit etc..

According to method provided by the embodiments of the present application, the embodiment of the present invention also provides a kind of communication system comprising aforementioned Terminal device and the network equipment.

Based on above embodiments, the embodiment of the present application also provides a kind of computer storage medium, deposited in the storage medium Software program is stored up, which can realize above-mentioned any one or more when being read and executed by one or more processors The method that embodiment provides.The computer storage medium may include: USB flash disk, mobile hard disk, read-only memory, arbitrary access The various media that can store program code such as memory, magnetic or disk.

Based on above embodiments, the embodiment of the present application also provides a kind of chip, which includes processor, for realizing Function involved in above-mentioned any one or more embodiments, for example, obtain or processing the above method involved in information or Message.Optionally, the chip further includes memory, the memory, for necessary program instruction performed by processor and Data.The chip, can be made of chip, also may include chip and other discrete devices.

It should be understood that in embodiments of the present invention, processor can be central processing unit (Central Processing Unit, referred to as " CPU "), which can also be other general processors, digital signal processor (DSP), dedicated integrated Circuit (ASIC), ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic Device, discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional place Manage device etc..

The memory may include read-only memory and random access memory, and provide instruction and data to processor. The a part of of memory can also include nonvolatile RAM.

The bus system can also include that power bus, control bus and status signal are total in addition to including data/address bus Line etc..But for the sake of clear explanation, various buses are all designated as bus system in figure.

During realization, each step of the above method can by the integrated logic circuit of the hardware in processor or The instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware processor Execute completion, or in processor hardware and software module combination execute completion.Software module can be located at random storage Device, flash memory, read-only memory, this fields such as programmable read only memory or electrically erasable programmable memory, register at In ripe storage medium.The storage medium is located at memory, and processor reads the information in memory, completes in conjunction with its hardware The step of stating method.To avoid repeating, it is not detailed herein.

In the Installation practice of the application, the division of the module of device is a kind of logical function partition, in actual implementation can be with There is other division mode.For example, each functional module of device can integrate in a module, it is also possible to each function mould Block individualism can also be integrated in a module with two or more functional modules.

It, can be wholly or partly by software, hardware, firmware or it is any in method provided by the embodiments of the present application Combination is to realize.When implemented in software, it can entirely or partly realize in the form of a computer program product.The meter Calculation machine program product includes one or more computer instructions.Load and execute on computers the computer program instructions When, it entirely or partly generates according to process or function described in the embodiment of the present invention.The computer can be general-purpose computations Machine, special purpose computer, computer network, the network equipment, terminal or other programmable devices.The computer instruction can be deposited Storage in a computer-readable storage medium, or from a computer readable storage medium to another computer-readable storage medium Matter transmission, for example, the computer instruction can be from a web-site, computer, server or data center by wired (such as coaxial cable, optical fiber, Digital Subscriber Line (digital subscriber line, DSL)) or wireless (such as infrared, nothing Line, microwave etc.) mode transmitted to another web-site, computer, server or data center.It is described computer-readable Storage medium can be any usable medium that computer can access or include that one or more usable mediums are integrated The data storage devices such as server, data center.The usable medium can be magnetic medium (for example, floppy disk, hard disk, magnetic Band), optical medium (for example, digital video disk (digital video disc, DVD)) or semiconductor medium (for example, SSD) etc..

The above various embodiments is only to illustrate the technical solution of the application, is not used to limit its protection scope.It is all this Modification, equivalent replacement, improvement for being made on the basis of the technical solution of application etc., should all include the application protection scope it It is interior.

Claims

1. a kind of method for sending power headroom reporting (PHR) characterized by comprising

The total transmission power of the maximum transmission power and N number of activation portions of bandwidth supported according to the first up-link carrier, determines The power headroom of first up-link carrier, wherein include N number of activation portions of bandwidth, institute in first up-link carrier Stating N is the integer more than or equal to 2；

Power headroom reporting (PHR) is sent, the power headroom reporting (PHR) is used to indicate the power headroom of first up-link carrier.

2. the method according to claim 1, wherein the maximum transmission power that first up-link carrier is supported It is according to determined by the power attenuation factor, the power attenuation factor is according in N number of activation portions of bandwidth transmission Determined by the waveform used when row signal.

3. according to the method described in claim 2, it is characterized in that, the power attenuation factor is according in N number of activation Portions of bandwidth is transmitted determined by the waveform used when uplink signal, specifically:

If using cyclic prefix orthogonal frequency division multiplexing CP-OFDM waveform in N number of activating part bandwidth, the power declines Subtracting coefficient is the first power attenuation factor；

If in the orthogonal frequency that N number of activating part bandwidth is expanded using the CP-OFDM waveform and discrete Fourier transform Divide multiplexing DFT-s-OFDM waveform, the power attenuation factor is the second power attenuation factor；

If using the DFT-s-OFDM waveform in N number of activating part bandwidth, the power attenuation power factor is The third power attenuation factor.

4. according to the method described in claim 3, it is characterized in that, the first power attenuation factor is less than or equal to described second The power attenuation factor, the second power attenuation factor are less than or equal to the third power attenuation factor.

5. according to the described in any item methods of claim 2 to 4, which is characterized in that first up-link carrier is supported most Big transmission power, meets the following conditions:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

Wherein, P_CMAX,f,cIndicate the maximum transmission power that first up-link carrier is supported, the P_{CMAX_L,f,c}Described in expression The maximum transmission power lower limit that first up-link carrier is supported, the P_{CMAX_H,f,c}Indicate what first up-link carrier was supported The maximum transmission power upper limit, the maximum transmission power lower limit and the first up-link carrier institute that first up-link carrier is supported At least one of maximum transmission power upper limit of support is according to determined by the power attenuation factor.

6. method according to any one of claims 1 to 5, which is characterized in that the power headroom reporting (PHR) is the first uplink The power headroom reporting (PHR) of signal, the method also includes:

If at least one target activation portions of bandwidth in N number of activation portions of bandwidth is used for transmission the first uplink signal, The actual emission power that portions of bandwidth is then activated according to the target determines the total transmission power of N number of activation portions of bandwidth.

7. method according to any one of claims 1 to 5, which is characterized in that the power headroom reporting (PHR) is the first uplink The power headroom reporting (PHR) of signal, the method also includes:

If N number of activation portions of bandwidth is not used for transmitting first uplink signal, according to N number of activation bandwidth Partial virtual emission power determines the total transmission power of N number of activation portions of bandwidth.

8. a kind of method for sending power headroom reporting (PHR) characterized by comprising

The transmission power and the first function of the maximum transmission power, the first activation portions of bandwidth supported according to the first up-link carrier Rate shares the factor, determines the power headroom of the first activation portions of bandwidth, includes described first in first up-link carrier Portions of bandwidth is activated, it is that power corresponding to the first activation portions of bandwidth shares the factor that first power, which shares the factor,；

Power headroom reporting (PHR) is sent, the power headroom reporting (PHR) is used to indicate the power headroom of the first activation portions of bandwidth.

9. according to the method described in claim 8, it is characterized in that, including N number of activation bandwidth portion in first up-link carrier Point, the first activation portions of bandwidth is the activation portions of bandwidth in N number of activation portions of bandwidth, and the N is more than or equal to 2 Integer；

The maximum transmission power that first up-link carrier is supported is according to determined by the power attenuation factor, and the power declines Subtracting coefficient is according to determined by the waveform used in N number of activation portions of bandwidth transmission uplink signal.

10. according to the method described in claim 9, it is characterized in that, the power attenuation factor is according in N number of activation Portions of bandwidth is transmitted determined by the waveform used when uplink signal, specifically:

11. according to the method described in claim 10, it is characterized in that, the first power attenuation factor is less than or equal to described the The two power attenuation factors, the second power attenuation factor are less than or equal to the third power attenuation factor.

12. according to the described in any item methods of claim 9 to 11, which is characterized in that first up-link carrier was supported Maximum transmission power meets the following conditions:

P_{CMAX_L,f,c}≤P_CMAX,f,c≤P_{CMAX_H,f,c}；

13. a kind of method for sending power headroom reporting (PHR) characterized by comprising

The transmitting function of the maximum transmission power and the first activation portions of bandwidth supported according to the first activation portions of bandwidth Rate determines the power headroom of the first activation portions of bandwidth；

14. according to the method for claim 13, which is characterized in that the maximum hair that the first activation portions of bandwidth is supported Penetrating power is according to determined by the maximum transmission power being pre-configured with to the first activation portions of bandwidth.

15. method described in 3 or 14 according to claim 1, which is characterized in that the first activation portions of bandwidth is supported most Big transmission power is greater than or equal to the maximum transmission power lower limit that the first activation portions of bandwidth is supported, first activation The maximum transmission power that portions of bandwidth is supported is less than or equal to the emission maximum function that the first activation portions of bandwidth is supported The rate upper limit；

The maximum transmission power lower limit that the first activation portions of bandwidth is supported is supported with the first activation portions of bandwidth At least one of the maximum transmission power upper limit, be according to being pre-configured with to the emission maximum of the first activation portions of bandwidth Determined by power.

16. a kind of device, which is characterized in that including processor, memory and communication interface；

Wherein, the memory, for storing program instruction；

The processor is received for calling and executing the program instruction stored in the memory by the communication interface And/or data are sent, realize the described in any item methods of claim 1 to 15.

17. a kind of computer readable storage medium, which is characterized in that instruction is stored in the computer readable storage medium, When run on a computer, so that computer executes such as the described in any item methods of claim 1 to 15.