CN113115421A - Method and device for adjusting transmission power in UE (user equipment) and base station - Google Patents

Method and device for adjusting transmission power in UE (user equipment) and base station Download PDF

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Publication number
CN113115421A
CN113115421A CN202110584497.6A CN202110584497A CN113115421A CN 113115421 A CN113115421 A CN 113115421A CN 202110584497 A CN202110584497 A CN 202110584497A CN 113115421 A CN113115421 A CN 113115421A
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parameter
power
sub
boundary
signaling
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张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure

Abstract

The invention discloses a method and a device for adjusting transmission power in UE (user equipment) and a base station. The UE firstly receives a first signaling; the first wireless signal is then transmitted. Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain. The method disclosed by the invention can adjust the value range of the upper limit of the transmitting power according to the frequency domain bandwidth of the UE uplink transmission, improve the coverage performance of the UE uplink transmission and increase the system capacity.

Description

Method and device for adjusting transmission power in UE (user equipment) and base station
The present application is a divisional application of the following original applications:
application date of the original application: 2016.12.28
- -application number of the original application: 201611236636.1
The invention of the original application is named: method and device for adjusting transmission power in UE (user equipment) and base station
Technical Field
The present invention relates to transmission schemes in wireless communication systems, and more particularly, to methods and apparatus for transmit power adjustment.
Background
In the future, the application scenes of the wireless communication system are more and more diversified, and different application scenes put different performance requirements on the system. NB-IoT (narrow-band Internet of Things) is introduced in 3GPP (3rd Generation Partner Project) Rel-13 to meet the increasingly wide demand of Internet of Things, and NB-IoT systems are further enhanced in Rel-14 (mainly introducing the functions of positioning and multicasting). Meanwhile, research on a New air interface technology (NR) is decided in RAN (Radio Access Network) #72 subcontracts to meet the requirements of the next generation (5G) mobile internet.
Existing wireless Spectrum is basically divided into Licensed Spectrum (Licensed Spectrum) and Unlicensed Spectrum (Unlicensed Spectrum), the Licensed Spectrum is generally allocated to a mobile operator or an organization for exclusive use, and the Unlicensed Spectrum can be used as long as a user meets Unlicensed Spectrum usage regulations in a local area, so that the Unlicensed Spectrum can be shared among a plurality of systems. Due to the scarcity of licensed spectrum resources, 3GPP introduces LAA (licensed Assisted Access) function in Rel-13 so that cellular network users can use unlicensed spectrum with the assistance of licensed spectrum. It is expected that the use of unlicensed spectrum will still be an important component in future NB-IoT systems and next generation mobile networks 5G.
Disclosure of Invention
In existing wireless communication systems (e.g., LTE), the maximum transmit power for uplink transmission is severely limited due to the hardware constraints of the transmitter and the requirement to limit out-of-band interference. In the existing LTE protocol, the upper limit of the transmit power for uplink transmission is selected by the User Equipment (UE) within a specific range, and the upper bound of this range is determined by the maximum transmit power capability of the UE and the limit of the cell where the UE is located, while the lower bound considers the bandwidth of the transmitted signal, the modulation method of the transmitted signal, the frequency band where the UE is located, etc. for different influences of the uplink PAPR/CM and different requirements for out-of-band interference, so that the transmit power of the terminal device can be adjusted to achieve a better balance point of power loss and coverage, thereby improving the performance of the whole system.
In the unlicensed Spectrum, in order to coexist between systems and avoid causing excessive interference, the Power Spectral Density (PSD) of a transmitted signal is generally limited, for example, in the european EU 868MHz unlicensed band, the limitation of ERP (Effective Radiated Power) is less than 14dBm per 100kHz, and in the US 902 + 928MHz unlicensed band, the limitation of EIRP (equivalent omnidirectional Radiated Power) is less than 36 dBm. In order to meet the power spectral density requirement of the unlicensed spectrum, the maximum transmit power is limited in some regions of the unlicensed band (e.g., EU 868 MHz). On the other hand, in the case of a given transmission power, different frequency domain bandwidths occupied by the transmitted wireless signals result in different power spectral densities, so that the requirement of the power spectral density cannot be met when the bandwidth occupied by the wireless signals is narrow, but the requirement of the power spectral density can be met when the bandwidth occupied by the wireless signals is wide, and thus if the maximum transmission power is limited according to the power spectral density corresponding to the wireless signal with the narrowest bandwidth without considering the influence of the signal bandwidth, the transmission cannot be performed with higher power when the bandwidth of the wireless signal becomes larger. The consequence of this is that the coverage performance of the radio signal using a wider bandwidth is degraded, which indirectly leads to a decrease in system capacity. This problem is more severe for coverage and capacity sensitive systems such as mtc (massive Machine Type Communications) under NB-IoT and 5 GNR.
The invention provides a solution to the problem of uplink power control due to power spectral density limitations in a system supporting unlicensed spectrum. By adopting the solution of the invention, the influence of frequency domain bandwidth of different uplink wireless signals is considered in the setting process of the upper bound of the adjustable range of the upper limit of uplink transmission power, and the coverage performance and the system capacity of uplink transmission are optimized. It should be noted that, without conflict, the embodiments and features in the embodiments in the UE (User Equipment) of the present application may be applied to the base station, and vice versa. Further, the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without conflict.
The invention discloses a method in UE supporting power adjustment, which comprises the following steps:
-step a. receiving a first signalling;
-step b. transmitting a first wireless signal;
wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain.
As an embodiment, adjusting the first limiting Power based on the bandwidth of the first frequency domain resource in the frequency domain may achieve the purpose of adjusting the maximum transmit Power while keeping the Power Spectral Density (PSD) substantially unchanged, so as to improve the coverage performance and the system capacity without exceeding the maximum transmit Power capability of the User Equipment (UE) and meeting the regulatory requirements of the used frequency Spectrum resource with respect to PSD.
As an embodiment, the first frequency-domain resources are contiguous in the frequency domain.
As an embodiment, the first frequency domain resource belongs to an Unlicensed Spectrum (Unlicensed Spectrum).
As an embodiment, the first frequency-domain resource comprises X subcarriers (subcarriers/Tone), wherein X is equal to one of {1,3,6,12}, and a Subcarrier spacing of each of the subcarriers is equal to 15 kHz.
As an embodiment, the first frequency-domain resource includes 1 subcarrier, wherein a subcarrier spacing of the subcarriers is equal to 3.75 kHz.
As an embodiment, the first frequency domain resource includes a positive integer number of subcarriers, where the subcarrier spacing of all the subcarriers is equal.
As an embodiment, the first frequency domain Resource corresponds to a positive integer number of PRBs (Physical Resource blocks).
As an embodiment, a transmission Channel corresponding to the first wireless signal is an UL-SCH (Uplink Shared Channel).
As an embodiment, the Physical Channel corresponding to the first wireless signal is a PUSCH (Physical Uplink Shared Channel).
As an embodiment, the Physical Channel corresponding to the first wireless signal is NPUSCH (Narrowband Physical Uplink Shared Channel).
As an embodiment, the Physical Channel corresponding to the first radio signal is a PUCCH (Physical Uplink Control Channel).
As an embodiment, the baseband waveform adopted by the first wireless signal is based on OFDM (Orthogonal Frequency Division Multiplexing), that is, the first wireless signal is generated by IDFT (Inverse Discrete Fourier Transform) or IFFT (Inverse Fast Fourier Transform) in baseband.
As an embodiment, the baseband waveform adopted by the first wireless signal is generated based on SC-FDMA (Single Carrier-Frequency Division Multiple Access).
As an embodiment, the baseband waveform adopted by the first wireless signal is generated based on DFT-S-OFDM (Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexing).
As an embodiment, the first signaling is used by the UE to determine the first frequency domain resource.
As one embodiment, the first signaling indicates the first frequency domain resource.
As an embodiment, the first signaling is physical layer signaling.
As an embodiment, the first signaling further includes at least one of { occupied time domain resource, number of RUs, subcarrier index, repetition number, MCS, RV, NDI, HARQ process number } of the first wireless signal.
As an embodiment, the first signaling is DCI (Downlink Control Information).
As an embodiment, the first signaling is MAC (Medium Access Control) layer signaling.
As an embodiment, the first signaling is transmitted through RAR (Random Access Response).
As one embodiment, the first signaling is an uplink grant (UL grant).
As one embodiment, the first signaling explicitly indicates the first frequency domain resource.
As one embodiment, the first signaling implicitly indicates the first frequency domain resource.
As an embodiment, the first limited power is an upper limit of an average power of the first wireless signal within a multicarrier symbol occupied by one of the first wireless signals.
As one embodiment, the transmission power of the first wireless signal is equal to the first limit power.
As one embodiment, the transmission power of the first wireless signal is less than the first limit power.
As an example, the unit of the first limited power is dBm.
As one example, the unit of the first limited power is watts.
As one embodiment, the first limited power is greater than 0 watts.
As one embodiment, the first limited power is PCMAX,c。
As an embodiment, the first boundary is an upper limit of the first limit power.
As an example of the way in which the device may be used,the first boundary is PCMAX_H,c。
As an embodiment, the first limited power is determined by the UE itself within a range defined by the first boundary.
As one embodiment, the first limited power is specific to the first wireless signal.
As an embodiment, the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain, which means that the bandwidth of the first frequency domain resource in the frequency domain may determine or index the first boundary based on a specific correspondence.
As an embodiment, the first boundary and the first frequency-domain resource are linearly related in bandwidth in the frequency domain.
As an embodiment, the first boundary and the first frequency-domain resource are non-linearly related in bandwidth in the frequency domain.
As an embodiment, the first boundary and the first frequency domain resource are linearly positively correlated in bandwidth of the frequency domain.
Specifically, according to an aspect of the present invention, the method is characterized in that the step a further includes the steps of:
-a step a1. receiving a second signaling;
wherein the first boundary is equal to the smaller of { first parameter, second parameter }, the first parameter being equal to the sum of a first sub-parameter and a second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
As an embodiment, the second parameter is a Power value corresponding to a Power Class (Power Class) of a sender of the first wireless signal.
As an embodiment, the first sub-parameter is a Power value corresponding to a Power Class (Power Class) of a sender of the first wireless signal.
As one embodiment, the second parameter is PEMAX,c。
As one embodiment, the unit of the first parameter is dBm.
As one embodiment, the unit of the first parameter is a watt.
As an embodiment, the unit of the second parameter is dBm.
As an example, the unit of the second parameter is a watt.
As an embodiment, the second sub-parameter is a positive number.
As an embodiment, the second sub-parameter is a negative number.
As an embodiment, the second subparameter is equal to 0.
As an embodiment, the unit of the second subparameter is dB.
As an embodiment, the unit of the first subparameter is dBm.
As an embodiment, the unit of the second sub-parameter is a watt.
As an embodiment, the unit of the first sub-parameter is a watt.
As an embodiment, the second sub-parameter is related to the bandwidth of the first frequency domain resource in the frequency domain, which means that the bandwidth of the first frequency domain resource in the frequency domain may determine or index the second sub-parameter based on a specific corresponding relationship.
As an embodiment, the bandwidth of the second sub-parameter and the first frequency-domain resource in the frequency domain are linearly related.
As an embodiment, the bandwidth of the second sub-parameter and the first frequency-domain resource in the frequency domain is non-linearly related.
As an embodiment, the second sub-parameter and the first frequency-domain resource are linearly and positively correlated with each other in the bandwidth of the frequency domain.
As an example, the first boundary PCMAX_H,cObtained by the following formula:
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass+ΔP}
wherein P isPowerClass+ΔPIs said first parameter, PEMAX,cIs said second parameter, PPowerClassIs the first sub-parameter, which is equal to the power value corresponding to the power level of the sender of the first wireless signal, ΔPIs the second sub-parameter.
As an example, the first boundary PCMAX_H,cObtained by the following formula:
PCMAX_H,c＝MIN{PEMAX,c+ΔP,PPowerClass}
wherein P isEMAX,c+ΔPIs said first parameter, PPowerClassIs said second parameter, PEMAX,cFor the first sub-parameter, the first sub-parameter is configurable, ΔPIs the second sub-parameter.
As an embodiment, the second signaling is higher layer signaling.
As an embodiment, the second signaling is RRC (Radio Resource Control).
As an embodiment, the second signaling is physical layer signaling.
As an embodiment, the second signaling is SIB (System Information Block).
As an embodiment, the second signaling is SIB 1.
As one embodiment, the second signaling is a p-Max field (field).
As an embodiment, the second signaling explicitly indicates the first sub-parameter.
As an embodiment, the second signaling implicitly indicates the first sub-parameter.
As an embodiment, the second signaling explicitly indicates the second parameter.
As one embodiment, the second signaling implicitly indicates the second parameter.
As an embodiment, the second signaling is used by the UE to determine the first sub-parameter; or the second signaling is used by the UE to determine the second parameter.
Specifically, according to an aspect of the present invention, the method is characterized in that the first limit power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, the power corresponding to the third parameter is greater than 0 watt, and the power corresponding to the fourth parameter is greater than 0 watt.
As an embodiment, the second boundary is a lower limit of the first limit power.
As one embodiment, the second boundary is PCMAX_L,c。
As an example, the first limiting power PCMAX,cSatisfies the following formula:
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c
wherein, PCMAX_H,cIs the first boundary, PCMAX_L,cIs the second boundary.
As an example, the unit of the third parameter is dBm.
As an example, the unit of the third parameter is a watt.
As an example, the unit of the fourth parameter is dBm.
As an example, the unit of the fourth parameter is a watt.
As an embodiment, the third parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain.
As an embodiment, the fourth parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain.
In particular, according to one aspect of the invention, the method is characterized in that the third parameter is equal to the difference between the first parameter and a third sub-parameter, the fourth parameter is equal to the difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
As an embodiment, the unit of the third subparameter is dB.
As an embodiment, the unit of the third sub-parameter is a watt.
As an embodiment, the unit of the fourth subparameter is dB.
As an embodiment, the unit of the fourth sub-parameter is a watt.
As an embodiment, the third sub-parameter is a positive number.
As an embodiment, the third sub-parameter is a negative number.
As an embodiment, the third subparameter is equal to 0.
As an embodiment, the fourth sub-parameter is a positive number.
As an embodiment, the fourth subparameter is a negative number.
As an embodiment, the fourth subparameter is equal to 0.
As an embodiment, the third subparameter comprises MPR (Maximum Power Reduction).
As an embodiment, the third subparameter comprises an a-MPR (Additional Maximum Power Reduction).
For one embodiment, the third subparameter comprises a P-MPR (Power management Maximum Power Reduction).
As one embodiment, the third sub-parameter includes an additional power limit tolerance (Δ T)C,c)。
As an embodiment, the fourth subparameter comprises MPR (Maximum Power Reduction).
As an embodiment, the fourth subparameter comprises an a-MPR (Additional Maximum Power Reduction).
For one embodiment, the fourth subparameter comprises a P-MPR (Power management Maximum Power Reduction).
As one embodiment, the fourth sub-parameter includes an additional power limit tolerance (Δ T)C,c)。
As an example, the second boundary PCMAX_L,cSatisfies the following formula:
PCMAX_L,c＝MIN{PEMAX,c+ΔP–ΔTC,c,PPowerClass–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,
P-MPRc)}
wherein P isEMAX,c+ΔP–ΔTC,cIs said third parameter, PEMAX,c+ΔPIs said first parameter, Δ TC,cIs said third subparameter, PPowerClass–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said fourth parameter, PPowerClassFor the second parameter, MAX (MPR)c+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is the fourth sub-parameter.
As an example, the second boundary PCMAX_L,cSatisfies the following formula:
PCMAX_L,c＝MIN{PEMAX,c–ΔTC,c,PPowerClass+ΔP–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,
P-MPRc)}
wherein P isPowerClass+ΔP–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said third parameter, PPowerClass+ΔPFor the first parameter, MAX (MPR)c+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said third subparameter, PEMAX,c–ΔTC,cIs said fourth parameter, PEMAX,cAs the second parameter, Δ TC,cIs that it isA fourth subparameter.
In particular, according to one aspect of the invention, the method is characterized in that the first sub-parameter is equal to a power value corresponding to a power level of a sender of the first wireless signal.
For one embodiment, the Power Class (Power Class) is a nominal maximum transmit Power of the UE.
As one embodiment, the power level does not include a Tolerance value (Tolerance).
As an embodiment, the power level is related to a position of the first frequency-domain resource in the frequency domain.
As an embodiment, the power level is related to a frequency Band (Band) to which the first frequency domain resource belongs.
Specifically, according to an aspect of the present invention, the above method is characterized in that the first radio signal is generated by a first modulation symbol sequence, the first modulation symbol sequence adopts a first modulation scheme, and the second subparameter is further related to at least one of { the first modulation scheme, a power level of a sender of the first radio signal, a position of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the sender of the first radio signal belongs }.
As an embodiment, the first modulation symbol sequence is subjected to Layer Mapper (Layer Mapper), Precoding (Precoding), Resource Element Mapper (Resource Element Mapper), and OFDM signal Generation (Generation) to obtain the first radio signal.
As an embodiment, the first bit block comprises an output of a code block after channel coding. As a sub embodiment, the code Block is a TB (Transport Block). As a sub embodiment, the code Block is a part of a Transport Block (TB).
As an embodiment, the first modulation symbol sequence is generated by modulating a first bit block, the first bit block comprising an output of one code block after channel coding. As a sub embodiment, the code Block is a TB (Transport Block). As a sub embodiment, the code Block is a part of a Transport Block (TB).
As an example, the first Modulation scheme is one of { BPSK (Binary Phase Shift Keying), pi/2 BPSK, QPSK (Quadrature Phase Shift Keying), pi/4 QPSK, 16QAM (Quadrature Amplitude Modulation), 64QAM, 256QAM, 1024QAM, 2048QAM }.
As an embodiment, the position of the first frequency domain resource in the frequency domain refers to an index of a frequency Band (Band) to which the first frequency domain resource belongs.
As an embodiment, the position of the first frequency-domain resource in the frequency domain refers to an absolute frequency value of a center frequency of the first frequency-domain resource.
As an embodiment, the position of the first frequency-domain resource in the frequency domain refers to an absolute frequency value of a lowest frequency of the first frequency-domain resource.
As an embodiment, the position of the first frequency-domain resource in the frequency domain refers to an absolute frequency value of a highest frequency of the first frequency-domain resource.
As an embodiment, the subcarrier spacing of all subcarriers in the first frequency domain resource is equal.
As an embodiment, there are two subcarriers in the first frequency-domain resource with unequal subcarrier spacing.
As an example, the network ID refers to MCC (Mobile Country Code).
For one embodiment, the Network ID refers to a PLMN ID (Public Land Mobile Network ID).
For one embodiment, the Network ID refers to a MNC (Mobile Network Code).
The invention discloses a method in a base station supporting power adjustment, which comprises the following steps:
-step a. sending a first signaling;
-step b.
Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain.
Specifically, according to an aspect of the present invention, the method is characterized in that the step a further includes the steps of:
-a step a1. sending a second signaling;
wherein the first boundary is equal to the smaller of { first parameter, second parameter }, the first parameter being equal to the sum of a first sub-parameter and a second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
Specifically, according to an aspect of the present invention, the method is characterized in that the first limit power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, the power corresponding to the third parameter is greater than 0 watt, and the power corresponding to the fourth parameter is greater than 0 watt.
In particular, according to one aspect of the invention, the method is characterized in that the third parameter is equal to the difference between the first parameter and a third sub-parameter, the fourth parameter is equal to the difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
In particular, according to one aspect of the invention, the method is characterized in that the first sub-parameter is equal to a power value corresponding to a power level of a sender of the first wireless signal.
Specifically, according to an aspect of the present invention, the above method is characterized in that the first radio signal is generated by a first modulation symbol sequence, the first modulation symbol sequence adopts a first modulation scheme, and the second subparameter is further related to at least one of { the first modulation scheme, a power level of a sender of the first radio signal, a position of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the sender of the first radio signal belongs }.
The invention discloses a UE device supporting power adjustment, which comprises the following modules:
-a first receiving module: for receiving a first signaling;
-a first sending module: for transmitting a first wireless signal.
Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain.
Specifically, according to an aspect of the present invention, the User Equipment (UE) is characterized in that the first receiving module is further configured to receive the second signaling, the first boundary is equal to the smaller of { first parameter, second parameter }, and the first parameter is equal to the sum of the first sub-parameter and the second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
Specifically, according to an aspect of the present invention, the User Equipment (UE) is characterized in that the first limited power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, a power corresponding to the third parameter is greater than 0 watt, and a power corresponding to the fourth parameter is greater than 0 watt.
Specifically, according to an aspect of the present invention, the User Equipment (UE) is characterized in that the third parameter is equal to a difference between the first parameter and a third sub-parameter, the fourth parameter is equal to a difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
Specifically, according to an aspect of the present invention, the User Equipment (UE) is characterized in that the first sub-parameter is equal to a power value corresponding to a power level of a transmitter of the first radio signal.
Specifically, according to an aspect of the present invention, the User Equipment (UE) is characterized in that the first radio signal is generated by a first modulation symbol sequence, the first modulation symbol sequence adopts a first modulation scheme, and the second sub-parameter further relates to at least one of { the first modulation scheme, a power class of a transmitter of the first radio signal, a position of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the transmitter of the first radio signal belongs }.
The invention discloses a base station device supporting power adjustment, which comprises the following modules:
-a second sending module: for transmitting a first signaling;
-a second receiving module: for receiving a first wireless signal.
Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain.
Specifically, according to an aspect of the present invention, the base station apparatus is characterized in that the second sending module is further configured to send the second signaling, the first boundary is equal to the smaller of { the first parameter, the second parameter }, and the first parameter is equal to the sum of the first sub-parameter and the second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
Specifically, according to an aspect of the present invention, the base station apparatus is characterized in that the first limited power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, a power corresponding to the third parameter is greater than 0 watt, and a power corresponding to the fourth parameter is greater than 0 watt.
Specifically, according to an aspect of the present invention, the base station apparatus is characterized in that the third parameter is equal to a difference between the first parameter and a third sub-parameter, the fourth parameter is equal to a difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
Specifically, according to an aspect of the present invention, the base station apparatus is characterized in that the first sub-parameter is equal to a power value corresponding to a power class of a transmitter of the first wireless signal.
Specifically, according to an aspect of the present invention, the base station apparatus is characterized in that the first radio signal is generated by a first modulation symbol sequence, the first modulation symbol sequence adopts a first modulation scheme, and the second subparameter is further related to at least one of { the first modulation scheme, a power class of a transmitter of the first radio signal, a position of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the transmitter of the first radio signal belongs }.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a wireless signal transmission flow diagram according to an embodiment of the invention;
FIG. 2 illustrates a first power limit versus a first boundary and a second boundary according to an embodiment of the invention;
FIG. 3 illustrates a relationship between a first boundary and a second boundary according to an embodiment of the invention;
fig. 4 shows a schematic diagram of a first boundary, a second subparameter and a first frequency domain resource according to an embodiment of the invention;
FIG. 5 shows a block diagram of a processing device in a User Equipment (UE) according to an embodiment of the invention;
fig. 6 shows a block diagram of a processing device in a base station apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be further described in detail with reference to the accompanying drawings, and it should be noted that the features of the embodiments and examples of the present application may be arbitrarily combined with each other without conflict.
Example 1
Embodiment 1 illustrates a transmission flow chart of a wireless signal, as shown in fig. 1. In fig. 1, base station N1 is a serving cell maintaining base station for UE U2.
For theBase station N1The second signaling is transmitted in step S11, the first signaling is transmitted in step S12, and the first wireless signal is received in step S13.
For theUE U2The second signaling is received in step S21, the first signaling is received in step S22, and the first wireless signal is transmitted in step S23.
In embodiment 1, the first wireless signal occupies a first frequency domain resource, and the first signaling is used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain. The first boundary is equal to the smaller of { first parameter, second parameter }, the first parameter being equal to the sum of the first sub-parameter and the second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter.
In sub-embodiment 1 of embodiment 1, the first frequency domain resources are contiguous in the frequency domain.
In sub-embodiment 2 of embodiment 1, the first frequency domain resource belongs to an Unlicensed Spectrum (Unlicensed Spectrum).
In sub-embodiment 3 of embodiment 1, said first frequency domain resource comprises X subcarriers (subcarriers/Tone), wherein said X equals one of {1,3,6,12}, the Subcarrier spacing of each of said subcarriers equals 15 kHz.
In sub-embodiment 4 of embodiment 1, the first frequency domain Resource corresponds to a positive integer number of PRBs (Physical Resource blocks).
In sub-embodiment 5 of embodiment 1, a transmission Channel corresponding to the first radio signal is an UL-SCH (Uplink Shared Channel).
In sub-embodiment 6 of embodiment 1, a Physical Channel corresponding to the first radio signal is a PUSCH (Physical Uplink Shared Channel).
In a sub-embodiment 7 of embodiment 1, a Physical Channel corresponding to the first radio signal is NPUSCH (Narrowband Physical Uplink Shared Channel).
In sub-embodiment 8 of embodiment 1, the baseband waveform adopted by the first wireless signal is based on OFDM (Orthogonal Frequency Division Multiplexing), that is, the first wireless signal is generated by IDFT (Inverse Discrete Fourier Transform) or IFFT (Inverse Fast Fourier Transform) at baseband.
In sub-embodiment 9 of embodiment 1, the baseband waveform used for the first radio signal is generated based on DFT-S-OFDM (Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexing).
In sub-embodiment 10 of embodiment 1, the first signaling is physical layer signaling.
In sub-embodiment 11 of embodiment 1, the first signaling further includes at least one of { occupied time domain resource, number of RUs, subcarrier index, number of repetitions, MCS, RV, NDI, HARQ process number } of the first wireless signal.
In sub-embodiment 12 of embodiment 1, the first signaling is DCI (Downlink Control Information).
In a sub-embodiment 13 of embodiment 1, the first signaling is transmitted via an RAR (Random Access Response).
In a sub-embodiment 14 of embodiment 1, the second signaling is higher layer signaling.
In sub-embodiment 15 of embodiment 1, the second signaling is SIB (System Information Block).
In sub-embodiment 16 of embodiment 1, the second signaling is SIB 1.
Example 2
Embodiment 2 illustrates a relationship diagram of the first limit power and the first boundary and the second boundary, as shown in fig. 2. In fig. 2, the horizontal axis represents power, the unfilled arrows represent first limit power, and the power values corresponding to the two vertical dashed lines represent the first boundary and the second boundary, respectively. In embodiment 2, the upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is smaller than or equal to the first boundary, the first limit power is greater than or equal to the second boundary, and the power corresponding to the second boundary is greater than or equal to 0 watt.
In sub-embodiment 1 of embodiment 2, the first limited power is an upper limit of an average power of the first wireless signal within a multicarrier symbol occupied by one of the first wireless signals.
In sub-embodiment 2 of embodiment 2, the unit of the first limiting power is dBm.
In sub-embodiment 3 of embodiment 2, the unit of the first limiting power is watts.
In a sub-embodiment 4 of embodiment 2, said first limiting power is PCMAX,c。
In sub-embodiment 5 of embodiment 2, the first boundary is PCMAX_H,。
In sub-embodiment 6 of embodiment 2, the first power limit is determined by the UE itself within a range defined by the first and second boundaries.
In a sub-embodiment 7 of embodiment 2, the first limited power is specific to the first wireless signal.
In a sub-embodiment 8 of embodiment 2, said second boundary is PCMAX_L,。
In sub-embodiment 9 of embodiment 2, the first limiting power PCMAX,cSatisfies the following formula:
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c
wherein, PCMAX_H,cIs the first boundary, PCMAX_L,cIs the second boundary.
Example 3
Embodiment 3 illustrates a relationship diagram between a first boundary and a second boundary, as shown in fig. 3. In fig. 3, the horizontal axis represents power, and the power values corresponding to the two vertical dashed lines represent the first boundary and the second boundary, respectively, and the calculation process of the first boundary and the second boundary is shown in the block diagram.
In embodiment 3, the first boundary is equal to the smaller of { first parameter, second parameter }, the first parameter is equal to the sum of a first sub-parameter and a second sub-parameter, the power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt. The second boundary is equal to the smaller of { third parameter, fourth parameter }, the power corresponding to the third parameter is greater than 0 watt, and the power corresponding to the fourth parameter is greater than 0 watt. The third parameter is equal to the difference between the first parameter and a third sub-parameter, the fourth parameter is equal to the difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
In sub-embodiment 1 of embodiment 3, the first sub-parameter is a Power value corresponding to a Power Class (Power Class) of a transmitter of the first wireless signal.
In sub-embodiment 2 of embodiment 3, the second parameter is a Power value corresponding to a Power Class (Power Class) of a transmitter of the first wireless signal.
In a sub-embodiment 3 of embodiment 3, said second parameter is PEMAX,c。
In sub-embodiment 4 of embodiment 3, the second sub-parameter is a positive number.
In sub-embodiment 5 of embodiment 3, the second sub-parameter is a negative number.
In sub-embodiment 6 of embodiment 3, the second sub-parameter is equal to 0.
In sub-embodiment 7 of embodiment 3, the unit of the second sub-parameter is dB.
In sub-embodiment 8 of embodiment 3, the unit of the first sub-parameter is dBm.
In sub-embodiment 9 of embodiment 3, the first boundary PCMAX_H,cObtained by the following formula:
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass+ΔP}
wherein P isPowerClass+ΔPIs said first parameter, PEMAX,cIs said second parameter, PPowerClassIs the first sub-parameter, which is equal to the power value corresponding to the power level of the sender of the first wireless signal, ΔPIs the second sub-parameter.
In a sub-embodiment 10 of embodiment 3, said first boundary PCMAX_H,cObtained by the following formula:
PCMAX_H,c＝MIN{PEMAX,c+ΔP,PPowerClass}
wherein P isEMAX,c+ΔPIs said first parameter, PPowerClassIs the second parameter，PEMAX,cFor the first sub-parameter, the first sub-parameter is configurable, ΔPIs the second sub-parameter.
In a sub-embodiment 11 of embodiment 3, the third sub-parameter comprises MPR (Maximum Power Reduction).
In a sub-embodiment 12 of embodiment 3, the third sub-parameter comprises an a-MPR (Additional Maximum Power Reduction).
In a sub-embodiment 13 of embodiment 3, the third sub-parameter comprises a P-MPR (Power management Maximum Power Reduction ).
In a sub-embodiment 14 of embodiment 3, said third sub-parameter comprises an additional power limit tolerance (Δ T)C,c)。
In a sub-embodiment 15 of embodiment 3, the fourth sub-parameter comprises MPR (Maximum Power Reduction).
In a sub-embodiment 16 of embodiment 3, the fourth sub-parameter comprises an a-MPR (Additional Maximum Power Reduction).
In a sub-embodiment 17 of embodiment 3, the fourth sub-parameter includes P-MPR (Power management Maximum Power Reduction).
In a sub-embodiment 18 of embodiment 3, the fourth sub-parameter comprises an additional power limit tolerance (Δ T)C,c)。
In a sub-embodiment 19 of embodiment 3, said second boundary PCMAX_L,cSatisfies the following formula:
PCMAX_L,c＝MIN{PEMAX,c+ΔP–ΔTC,c,PPowerClass–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,
P-MPRc)}
wherein P isEMAX,c+ΔP–ΔTC,cIs said third parameter, PEMAX,c+ΔPIs said first parameter, Δ TC,cIs the third oneSub-parameter, PPowerClass–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said fourth parameter, PPowerClassFor the second parameter, MAX (MPR)c+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is the fourth sub-parameter.
In a sub-embodiment 20 of embodiment 3, said second boundary PCMAX_L,cSatisfies the following formula:
PCMAX_L,c＝MIN{PEMAX,c–ΔTC,c,PPowerClass+ΔP–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,
P-MPRc)}
wherein P isPowerClass+ΔP–MAX(MPRc+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said third parameter, PPowerClass+ΔPFor the first parameter, MAX (MPR)c+A-MPRc+ΔTIB,c+ΔTC,c+ΔTProSe,P-MPRc) Is said third subparameter, PEMAX,c–ΔTC,cIs said fourth parameter, PEMAX,cAs the second parameter, Δ TC,cIs the fourth sub-parameter.
Example 4
Embodiment 4 illustrates a relationship diagram of the first boundary, the second subparameter and the first frequency domain resource, as shown in fig. 4. In fig. 4, each rectangular box represents a parameter, and the arrows represent the association between the parameters. In embodiment 4, the first boundary is equal to the smaller of { the first parameter, the second parameter }, the first parameter being equal to the sum of the first sub-parameter and the second sub-parameter. A first wireless signal is generated from a first modulation symbol sequence employing the first modulation scheme, the first wireless signal occupying first frequency domain resources, the second subparameter being related to a bandwidth of the first frequency domain resources in a frequency domain, the second subparameter further being related to at least one of { the first modulation scheme, a power class of a sender of the first wireless signal, a location of the first frequency domain resources in the frequency domain, a subcarrier spacing of subcarriers in the first frequency domain resources, a network ID to which the sender of the first wireless signal belongs }.
In sub-embodiment 1 of embodiment 4, that the second sub-parameter is related to the bandwidth of the first frequency-domain resource in the frequency domain means that the bandwidth of the first frequency-domain resource in the frequency domain may determine or index the second sub-parameter based on a specific correspondence.
In sub-embodiment 2 of embodiment 4, the second sub-parameter and the first frequency-domain resource are linearly related in bandwidth in the frequency domain.
In sub-embodiment 3 of embodiment 4, the Power Class (Power Class) is the nominal maximum transmit Power of the UE.
In sub-embodiment 4 of embodiment 4, the power class does not include a Tolerance value (Tolerance).
In sub-embodiment 5 of embodiment 4, the power level is related to a frequency Band (Band) to which the first frequency domain resource belongs.
In sub-embodiment 6 of embodiment 4, the first modulation symbol sequence is subjected to Layer Mapper (Layer Mapper), Precoding (Precoding), Resource Element Mapper (Resource Element Mapper), and OFDM signal Generation (Generation) to obtain the first radio signal.
In sub-embodiment 7 of embodiment 4, the position of the first frequency domain resource in the frequency domain refers to an index of a frequency Band (Band) to which the first frequency domain resource belongs.
In sub-embodiment 8 of embodiment 4, the sub-carrier spacing of all sub-carriers in the first frequency domain resource is equal.
In sub-embodiment 9 of embodiment 4, the network ID is MCC (Mobile Country Code).
In sub-embodiment 10 of embodiment 4, the Network ID is a PLMN ID (Public Land Mobile Network ID).
In a sub-embodiment 11 of embodiment 4, the Network ID refers to an MNC (Mobile Network Code).
Example 5
Embodiment 5 illustrates a block diagram of a processing device in a user equipment, as shown in fig. 5. In fig. 5, the ue processing apparatus 100 is mainly composed of a first receiving module 101 and a first sending module 102.
In embodiment 5, the first receiving module 101 is used to receive the first signaling, and the first transmitting module 102 is used to transmit the first wireless signal. Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain. The first receiving module 101 is also used for receiving the second signaling.
In sub-embodiment 1 of embodiment 5, the first boundary is equal to the smaller of { first parameter, second parameter }, and the first parameter is equal to the sum of the first sub-parameter and the second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
In sub-embodiment 2 of embodiment 5, the first limited power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, the power corresponding to the third parameter is greater than 0 watt, and the power corresponding to the fourth parameter is greater than 0 watt.
In sub-embodiment 3 of embodiment 5, the third parameter is equal to the difference between the first parameter and a third sub-parameter, the fourth parameter is equal to the difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
In sub-embodiment 4 of embodiment 5, the first sub-parameter is equal to a power value corresponding to a power level of a transmitter of the first wireless signal.
In sub-embodiment 5 of embodiment 5, the first radio signal is generated from a first modulation symbol sequence employing a first modulation scheme, and the second subparameter is further related to at least one of { the first modulation scheme, a power level of a transmitter of the first radio signal, a location of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the transmitter of the first radio signal belongs }.
Example 6
Embodiment 6 is a block diagram illustrating a processing apparatus in a base station device, as shown in fig. 6. In fig. 6, the base station device processing apparatus 200 mainly comprises a second sending module 201 and a second receiving module 202.
In embodiment 6, the second transmitting module 201 is used to transmit the first signaling, and the second receiving module 202 is used to receive the first wireless signal. Wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource. The upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is less than or equal to a first boundary, and the first boundary is related to the bandwidth of the first frequency domain resource in the frequency domain. The second sending module 201 is also used for sending second signaling.
In sub-embodiment 1 of embodiment 6, said first boundary is equal to the smaller of { first parameter, second parameter }, said first parameter being equal to the sum of the first sub-parameter and the second sub-parameter. The second signaling is used to determine the first sub-parameter; or the second signaling is used to determine the second parameter. The second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain. The power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt.
In sub-embodiment 2 of embodiment 6, the first limited power is greater than or equal to a second boundary, the second boundary is equal to the smaller of { a third parameter, a fourth parameter }, the power corresponding to the third parameter is greater than 0 watt, and the power corresponding to the fourth parameter is greater than 0 watt.
In sub-embodiment 3 of embodiment 6, the third parameter is equal to the difference between the first parameter and a third sub-parameter, the fourth parameter is equal to the difference between the second parameter and a fourth sub-parameter, the third sub-parameter is greater than or equal to 0, and the fourth sub-parameter is greater than or equal to 0.
In sub-embodiment 4 of embodiment 6, the first sub-parameter is equal to a power value corresponding to a power level of a transmitter of the first wireless signal.
In sub-embodiment 5 of embodiment 6, the first radio signal is generated from a first sequence of modulation symbols employing a first modulation scheme, and the second subparameter is further related to at least one of { the first modulation scheme, a power class of a sender of the first radio signal, a location of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the sender of the first radio signal belongs }.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The UE or the terminal in the invention includes but is not limited to a mobile phone, a tablet computer, a notebook, a network card, a low-power consumption device, an MTC device, an NB-IoT device, a vehicle-mounted communication device and other wireless communication devices. The base station or network side device in the present invention includes but is not limited to a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A method in a UE supporting power adjustment, comprising the steps of:
-a step a1. receiving a second signaling;
-step a. receiving a first signalling;
-step b. transmitting a first wireless signal;
wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource; an upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is smaller than or equal to a first boundary, the first boundary is related to a bandwidth of the first frequency domain resource in a frequency domain, and the first boundary is the upper limit of the first limit power; the first boundary is equal to the smaller of a first parameter and a second parameter, and the first parameter is equal to the sum of a first sub-parameter and a second sub-parameter; the second signaling is used for determining the first sub-parameter or the second signaling is used for determining the second parameter; the second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain; the power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt; the second signaling is a SIB1, and the first limited power is determined by the UE itself within a range defined by the first boundary.
2. The method of claim 1, wherein the first limit power is greater than or equal to a second boundary, the second boundary being equal to the smaller of a third parameter corresponding to a power greater than 0 watts and a fourth parameter corresponding to a power greater than 0 watts.
3. The method of claim 2, wherein the third parameter is equal to a difference between the first parameter and a third sub-parameter, wherein the fourth parameter is equal to a difference between the second parameter and a fourth sub-parameter, wherein the third sub-parameter is greater than or equal to 0, and wherein the fourth sub-parameter is greater than or equal to 0.
4. The method according to any of claims 1 to 3, wherein the first sub-parameter is equal to a power value corresponding to a power class of a sender of the first wireless signal.
5. The method according to any of claims 1-3, wherein the first radio signal is generated from a first modulation symbol sequence employing a first modulation scheme, and wherein the second subparameter is further related to at least one of the first modulation scheme, a power class of a sender of the first radio signal, a location of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the sender of the first radio signal belongs.
6. The method of claim 4, wherein the first wireless signal is generated from a first modulation symbol sequence, wherein the first modulation symbol sequence employs a first modulation scheme, and wherein the second subparameter is further related to at least one of the first modulation scheme, a power level of a sender of the first wireless signal, a location of the first frequency-domain resource in a frequency domain, a subcarrier spacing of subcarriers in the first frequency-domain resource, and a network ID to which the sender of the first wireless signal belongs.
7. Method according to any one of claims 1 to 6, characterized in that said first boundary PCMAX_H,cObtained by the following formula:
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass+ΔP}
wherein P isPowerClass+ΔPIs said first parameter, PEMAX,cIs said second parameter, PPowerClassIs the first sub-parameter, which is equal to the power value corresponding to the power level of the sender of the first wireless signal, ΔPIs the second sub-parameter.
8. A method in a base station supporting power adjustment, comprising the steps of:
-a step a1. sending a second signaling;
-step a. sending a first signaling;
-step b. receiving a first wireless signal;
wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource; an upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is smaller than or equal to a first boundary, the first boundary is related to a bandwidth of the first frequency domain resource in a frequency domain, and the first boundary is the upper limit of the first limit power; the first boundary is equal to the smaller of a first parameter and a second parameter, and the first parameter is equal to the sum of a first sub-parameter and a second sub-parameter; the second signaling is used for determining the first sub-parameter or the second signaling is used for determining the second parameter; the second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain; the power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt; the second signaling is a SIB1, and the first limited power is determined by a sender of the first wireless signal itself within a range defined by the first boundary.
9. A UE device supporting power adjustment, comprising:
-a first receiving module: for receiving the second signaling and receiving the first signaling;
-a first sending module: for transmitting a first wireless signal;
wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource; an upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is smaller than or equal to a first boundary, the first boundary is related to a bandwidth of the first frequency domain resource in a frequency domain, and the first boundary is the upper limit of the first limit power; the first boundary is equal to the smaller of a first parameter and a second parameter, and the first parameter is equal to the sum of a first sub-parameter and a second sub-parameter; the second signaling is used for determining the first sub-parameter or the second signaling is used for determining the second parameter; the second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain; the power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt; the second signaling is a SIB1, and the first limited power is determined by the UE device itself within a range defined by the first boundary.
10. A base station device supporting power adjustment, comprising the following modules:
-a second sending module: for sending the second signaling and sending the first signaling;
-a second receiving module: for receiving a first wireless signal;
wherein the first wireless signal occupies a first frequency domain resource, the first signaling being used to determine the first frequency domain resource; an upper limit of the transmission power of the first wireless signal is a first limit power, the first limit power is smaller than or equal to a first boundary, the first boundary is related to a bandwidth of the first frequency domain resource in a frequency domain, and the first boundary is the upper limit of the first limit power; the first boundary is equal to the smaller of a first parameter and a second parameter, and the first parameter is equal to the sum of a first sub-parameter and a second sub-parameter; the second signaling is used for determining the first sub-parameter or the second signaling is used for determining the second parameter; the second sub-parameter relates to a bandwidth of the first frequency-domain resource in a frequency domain; the power corresponding to the first parameter is greater than 0 watt, and the power corresponding to the second parameter is greater than 0 watt; the second signaling is a SIB1, and the first limited power is determined by a sender of the first wireless signal itself within a range defined by the first boundary.
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