WO2018129739A1 - 一种确定发射功率的方法及无线通讯设备 - Google Patents

一种确定发射功率的方法及无线通讯设备 Download PDF

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Publication number
WO2018129739A1
WO2018129739A1 PCT/CN2017/071281 CN2017071281W WO2018129739A1 WO 2018129739 A1 WO2018129739 A1 WO 2018129739A1 CN 2017071281 W CN2017071281 W CN 2017071281W WO 2018129739 A1 WO2018129739 A1 WO 2018129739A1
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Prior art keywords
wireless communication
communication device
power
value
cmax
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PCT/CN2017/071281
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English (en)
French (fr)
Inventor
吴茜
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2017/071281 priority Critical patent/WO2018129739A1/zh
Priority to JP2019538143A priority patent/JP2020507256A/ja
Priority to EP17891150.9A priority patent/EP3554150B1/en
Priority to CN201780066946.XA priority patent/CN109891953B/zh
Publication of WO2018129739A1 publication Critical patent/WO2018129739A1/zh
Priority to US16/512,418 priority patent/US10785731B2/en

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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
    • H04W52/18—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
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/08—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on transmission power
    • 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
    • H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
    • 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
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/283—Power depending on the position of the mobile
    • 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
    • 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
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/383—TPC being performed in particular situations power control in peer-to-peer links

Definitions

  • the present application relates to the field of communications, and in particular, to a method for determining transmit power and a wireless communication device.
  • the frequency range used by the tolling station is very close to the frequency range used by the Intelligent Traffic System (ITS).
  • ITS Intelligent Traffic System
  • ETSI European Telecommunications Standards Institute
  • TS Technical Specification
  • D-MPR dynamic maximum power reduction
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ⁇ ;
  • the above method only modifies the lower limit of the maximum configured transmit power, and does not modify the upper limit.
  • the upper limit is still larger than the general case specified by the coexistence requirement. Therefore, the above method does not satisfactorily meet the coexistence of ETSI. It is required that there will still be large interference between the devices.
  • Embodiments of the present invention provide a method for determining transmit power and a wireless communication device, which are used to suppress interference between devices and meet coexistence requirements of multiple devices.
  • the first aspect of the embodiments of the present invention provides a method for determining transmit power, including:
  • the first wireless communication device determines the distance between the second wireless communication device and the second wireless communication device, and when the first wireless communication device determines that the first condition is met, if the first wireless communication device determines its own correspondence
  • the maximum transmit power is greater than the preset threshold, and the maximum transmit power is adjusted to be the preset threshold, where the preset threshold is used to suppress interference of the first wireless communication device to the receive performance of the second wireless communication device under the first condition
  • the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and a difference between an operating frequency of the first wireless communication device and an operating frequency of the second wireless communication device is less than Or equal to the second threshold.
  • the receiving performance includes the sensitivity of receiving, the receiving range, and the receiving blocking indicator.
  • the present invention by limiting the preset threshold, under the first condition, interference of the first wireless communication device with the receiving performance of the second wireless communication device on the second wireless communication device may be suppressed, thereby satisfying the first wireless communication.
  • the coexistence requirement of the device and the second wireless communication device by limiting the preset threshold, under the first condition, interference of the first wireless communication device with the receiving performance of the second wireless communication device on the second wireless communication device may be suppressed, thereby satisfying the first wireless communication.
  • the maximum transmit power corresponding to the first wireless communications device includes: a maximum configured transmit power of a carrier of the first wireless communications device P CMAX,c .
  • interference can be reduced by adjusting the maximum configured transmit power of the carrier, and an implementation manner for reducing interference between devices is provided, and the achievability of the solution is improved.
  • the first wireless communication device may adjust the target carrier of the first wireless communication device by using the following formula: Maximum configured transmit power P CMAX,c :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ⁇ ;
  • P EMAX,c is the power value delivered by the Radio Resource Control (RRC) layer to the target carrier
  • P EMAX,c is equal to the preset threshold
  • ⁇ T C,c is the first power loss value
  • P PowerClass is The power level of the first wireless communication device
  • MPR c is the first power backoff value
  • A-MPR c is the second power back value
  • ⁇ T IB, c is the second power loss value
  • ⁇ T ProSe is the third power loss value
  • P-MPR c is the third power backoff value.
  • the target carrier refers to any carrier corresponding to the first wireless communication device
  • the first power loss value refers to the power loss caused by the flatness of the filter of the first wireless communication device on the target carrier
  • the second power The loss value and the third power loss value refer to the power loss caused by the additional filter
  • the first power backoff value refers to the maximum power backoff value corresponding to the target carrier
  • the second power backoff value refers to the target carrier.
  • the third power backoff value refers to power backoff caused by power sharing by multiple wireless connections corresponding to the first wireless communication device on the target carrier.
  • the embodiment of the invention provides a specific manner for adjusting the maximum configured transmit power of a carrier, and improves the achievability of the solution.
  • the first wireless communications device may adjust the target carrier of the first wireless communications device by using the following formula: Maximum configured transmit power P CMAXc :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ⁇ ;
  • P EMAX,c is the power value delivered by the RRC layer to the target carrier
  • ⁇ T C,c is the first power loss value
  • P PowerClass is the power level of the first wireless communication device
  • MPR c is the first power back value
  • A-MPR c is the second power backoff value
  • ⁇ T IB,c is the second power loss value
  • ⁇ T ProSe is the third power loss value
  • P-MPR c is the third power back value
  • P Regulatory,c is equal to Preset threshold.
  • the embodiment of the invention provides another specific manner for adjusting the maximum configured transmit power of the carrier, which improves the flexibility of the solution.
  • PCR c is the preset carrier power backoff value.
  • the embodiment of the invention provides another specific manner for adjusting the maximum configured transmit power of the carrier, which improves the flexibility of the solution.
  • EIRP_P Regulatory, c is the effective carrier omnidirectional radiated power value of the preset carrier
  • G Ant is the antenna gain of the first wireless communication device
  • EIRP_PSD Regulatory, c is the effective carrier omnidirectional radiated power spectral density value of the preset carrier.
  • the effective omnidirectional radiated power value of the carrier can be set to adjust the maximum configured transmit power of the carrier, thereby enabling the device to meet the coexistence requirement and improving the flexibility of the solution.
  • PSD Regulatory, c is the preset carrier power spectral density value, and BW is the bandwidth occupied by the target carrier.
  • the power spectral density value of the carrier can be set to adjust the maximum configured transmit power of the carrier, so that the device meets the coexistence requirement and improves the flexibility of the solution.
  • the first wireless communication device may adjust the target carrier of the first wireless communication device by using the following formula: Maximum configured transmit power P CMAX,c :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ,PSD Regulatory,c +10lgBW ⁇ ;
  • P EMAX,c is the power value delivered by the RRC layer to the target carrier
  • ⁇ T C,c is the first power loss value
  • P PowerClass is the power level of the first wireless communication device
  • MPR c is the first power back value
  • A-MPR c is the second power backoff value
  • ⁇ T IB,c is the second power loss value
  • ⁇ T ProSe is the third power loss value
  • P Regulatory,c is the pre A threshold is set
  • the PSD Regulatory, c is a preset carrier power spectral density value.
  • the embodiments of the present invention can simultaneously limit the carrier configuration transmit power and the carrier power spectral density to meet the coexistence requirement, and improve the flexibility of the solution.
  • the maximum transmit power corresponding to the first wireless communications device includes: a maximum configured transmit power of the first wireless communications device, P CMAX .
  • the embodiment of the present invention can suppress the first wireless by adjusting the maximum configured transmit power of the first wireless communication device.
  • the communication device reduces the receiving performance of the second wireless communication device, and provides an implementation manner that satisfies the coexistence requirement, thereby improving the achievability of the solution.
  • the first wireless communications device can adjust the maximum configuration transmission of the first wireless communications device by using the following formula: Power P CMAX :
  • PCMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ⁇ ;
  • 10log 10 ⁇ p EMAX,c is equal to the preset threshold; ⁇ T C is the fourth power loss value; P PowerClass is the power level of the first wireless communication device; MPR is the fourth power backoff value; A-MPR is the fifth Power backoff value; ⁇ T IB,c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR is the sixth power back value; p EMAX,c is the RRC layer corresponding to the first wireless communication device The power value delivered by the carrier.
  • the fourth power loss value refers to the power loss caused by the flatness of the filter of the first wireless communication device on the first wireless communication device
  • the second power loss value and the third power loss value refer to additional The power loss caused by the filter
  • the fourth power backoff value refers to the maximum power backoff value corresponding to the first wireless communication device
  • the fifth power backoff value refers to the additional maximum power backoff corresponding to the first wireless communication device.
  • the value, the sixth power back-off value refers to the power back-off caused by the power sharing by the multiple wireless connections corresponding to the first wireless communication device on the first wireless communication device.
  • the embodiment of the invention provides a specific manner for adjusting the maximum configured transmission power of the first wireless communication device, and improves the achievability of the solution.
  • the first wireless communications device can adjust the maximum configuration transmission of the first wireless communications device by using the following formula: Power P CMAX :
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ⁇ ;
  • p EMAX,c is a power value sent by the RRC to a carrier corresponding to the first wireless communication device; ⁇ T C is a fourth power loss value; P PowerClass is a power level of the first wireless communication device; and MPR is a fourth power back Depreciation ; A-MPR is the fifth power backoff value; ⁇ T IB, c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR is the sixth power back value; P Regulatory is equal to the preset Threshold.
  • the embodiment of the invention provides another specific manner for adjusting the maximum configured transmit power of the first wireless communication device, which improves the flexibility of the solution.
  • PCR is the preset device power backoff value.
  • the embodiment of the invention provides another specific manner for adjusting the maximum configured transmit power of the first wireless communication device, which improves the flexibility of the solution.
  • EIRP_P Regulatory is the effective omnidirectional radiated power value of the preset device
  • G Ant is the antenna gain of the first wireless communication device
  • EIRP_PSD Regulatory is the effective omnidirectional radiated power spectral density value of the preset device.
  • the embodiment of the invention can set the effective omnidirectional radiation power value of the device to adjust the maximum configured transmission power of the device, so that the device meets the coexistence requirement and improves the flexibility of the solution.
  • the PSD Regulatory is the preset device power spectral density value, and the BW is the bandwidth occupied by the first wireless communication device.
  • the embodiment of the present invention can set the power spectral density value of the device to adjust the maximum configured transmission power of the device, so that the device meets the coexistence requirement and improves the flexibility of the solution.
  • the first wireless communication device can adjust the maximum configuration of the first wireless communication device by using the following formula: Transmit power P CMAX :
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ,PSD Regulatory +10lgBW ⁇ ;
  • p EMAX,c is a power value sent by the RRC layer to a carrier corresponding to the first wireless communication device; ⁇ T C is a fourth power loss value; P PowerClass is a power level of the first wireless communication device; and MPR is a fourth power Fallback value; A-MPR is the fifth power backoff value; ⁇ T IB, c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR is the sixth power back value; P Regulatory is the pre Set the threshold; PSD Regulatory is the preset device power spectral density value.
  • the embodiment of the invention can simultaneously limit the power spectral density of the device and the configured transmit power of the device to meet the coexistence requirement and improve the flexibility of the solution.
  • the first condition further includes: the first wireless communication The difference in angle between the antenna direction of the device and the antenna direction of the second wireless communication is less than or equal to a third threshold.
  • the wireless communication device determines that the first condition is met, if the first wireless communication device determines that the maximum transmit power corresponding to the wireless communication device is not greater than a preset threshold, the first wireless communication device performs other processes.
  • the first wireless communication device may determine the target of the first wireless communication device by using the following formula Carrier's maximum configured transmit power P CMAX,c :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ⁇ ;
  • P EMAX,c is the power value delivered by the RRC layer to the target carrier, P EMAX,c is less than a preset threshold; ⁇ T C,c is the first power loss value; MPR c is the first power backoff value; A- MPR c is the second power backoff value; ⁇ T IB,c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR c is the third power back value; P PowerClass is the first wireless communication device Power rating.
  • the first wireless communication device may determine the target of the first wireless communication device by using the following formula: Carrier's maximum configured transmit power P CMAX,c :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ⁇ ;
  • P EMAX,c is the power value delivered by the RRC layer to the target carrier
  • ⁇ T C,c is the first power loss value
  • P PowerClass is the power level of the first wireless communication device
  • MPR c is the first power back value
  • A-MPR c is the second power backoff value
  • ⁇ T IB,c is the second power loss value
  • ⁇ T ProSe is the third power loss value
  • P-MPR c is the third power back value
  • P Regulatory,c is equal to Preset threshold.
  • PCR c is the preset carrier power backoff value
  • EIRP_P Regulatory, c is the preset carrier effective isotropic radiation power value
  • G Ant is the antenna gain of the first wireless communication device
  • PSD Regulatory, c is the preset carrier power spectral density Value
  • BW is the bandwidth occupied by the target carrier
  • EIRP_PSD Regulatory, c is the effective carrier omnidirectional radiated power spectral density value of the preset carrier.
  • the first wireless communication device may determine the maximum of the first wireless communication device by using the following formula: Configure the transmit power P CMAX :
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ⁇
  • p EMA, Xc is the power value delivered by the RRC layer to the carrier corresponding to the first wireless communication device, 10 log 10 ⁇ p EMAX, c is less than a preset threshold; ⁇ T C is the fourth power loss value; P PowerClass is the first Power class of the wireless communication device; MPR is the fourth power backoff value; A-MPR is the fifth power backoff value; ⁇ T IB, c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR The sixth power backoff value.
  • the first wireless communication device may determine, by using the following formula, the first wireless communication device Maximum configured transmit power P CMAX :
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ⁇ ;
  • p EMAX,c is a power value sent by the RRC layer to a carrier corresponding to the first wireless communication device; ⁇ T C is a fourth power loss value; P PowerClass is a power level of the first wireless communication device; and MPR is a fourth power Fallback value; A-MPR is
  • ⁇ T IB,c is a second power loss value
  • ⁇ T ProSe is a third power loss value
  • P-MPR is a sixth power back value
  • P Regulatory is equal to a preset threshold.
  • the PCR is the preset device power backoff value
  • the EIRP_P Regulatory is the preset device effective isotropic radiation power value
  • the G Ant is the antenna gain of the first wireless communication device
  • the PSD Regulatory is the preset device power spectral density value
  • the BW is The bandwidth occupied by the first wireless communication device
  • EIRP_PSD Regulatory is the effective isotropic radiation power spectral density value of the preset device.
  • a second aspect of the embodiments of the present invention provides a wireless communication device, where the wireless communication device includes:
  • a first determining module configured to determine a distance between the wireless communication device and the second wireless communication device
  • a second determining module configured to determine an operating frequency of the second wireless communication device
  • the adjusting module is configured to determine that the maximum transmit power corresponding to the wireless communication device is greater than a preset threshold, and adjust the maximum transmit power, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is used. Under the first condition, suppressing interference of the wireless communication device with the receiving performance of the second wireless communication device;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the maximum transmit power corresponding to the wireless communication device includes: a maximum configured transmit power P CMAX,c of the carrier of the wireless communication device.
  • the adjustment module includes:
  • a first adjusting unit configured to adjust a maximum configured transmit power P CMAX,c of the target carrier of the wireless communication device by using the following formula:
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ⁇ ;
  • P EMAX,c is the power value that the RRC layer sends to the target carrier by the radio resource control, P EMAX,c is equal to the preset threshold; ⁇ T C,c is the first power loss value; P PowerClass is the power level of the wireless communication device ; MPR c is the first power backoff value; A-MPR c is the second power backoff value; ⁇ T IB, c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR c is the third Power backoff value.
  • the adjustment module includes:
  • a second adjusting unit configured to adjust a maximum configured transmit power P EMAX,c of the target carrier of the wireless communication device by using the following formula:
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ⁇ ;
  • P EMAX,c is a power value that the RRC layer sends to the target carrier by the radio resource control; ⁇ T C,c is the first power loss value; P PowerClass is the power level of the wireless communication device; and MPR c is the first power backoff Value; A-MPR c is the second power backoff value; ⁇ T IB,c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR c is the third power back value; P Regulatory,c Equal to the preset threshold.
  • PCR c is the preset carrier power backoff value.
  • EIRP_P Regulatory, c is the effective carrier omnidirectional radiated power value of the preset carrier
  • G Ant is the antenna gain of the wireless communication device
  • EIRP_PSD Regulatory, c is the effective carrier omnidirectional radiated power spectral density value of the preset carrier.
  • PSD Regulatory, c is the preset carrier power spectral density value, and BW is the bandwidth occupied by the target carrier.
  • the maximum transmit power corresponding to the wireless communications device includes: a maximum configured transmit power P CMAX of the wireless communications device.
  • the adjustment module includes:
  • the third adjusting unit is configured to adjust the maximum configured transmitting power of the wireless communication device by using the following formula:
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ⁇ ;
  • p EMAX,c is a power value that the radio resource control RRC sends to the carrier corresponding to the wireless communication device, 10 log 10 ⁇ p EMAX, c is equal to a preset threshold; ⁇ T C is a fourth power loss value; P PowerClass is wireless communication Power level of the device; MPR is the fourth power backoff value; A-MPR is the fifth power backoff value; ⁇ T IB, c is the second power loss value; ⁇ T ProSe is the third power loss value; P-MPR is the first Six power backoff values.
  • the adjustment module includes:
  • the fourth adjusting unit is configured to adjust the maximum configured transmitting power of the wireless communication device by using the following formula:
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ⁇ ;
  • p EMAX,c is a power value that is sent by the RRC layer of the radio resource control to the carrier corresponding to the wireless communication device; ⁇ T C is the fourth power loss value; P PowerClass is the power level of the wireless communication device; and MPR is the fourth power back. Depreciation ; A-MPR is a fifth power backoff value; ⁇ T IB, c is a second power loss value; the ⁇ T ProSe is a third power loss value; and the P-MPR is a sixth power back value; The P Regulatory is equal to the preset threshold.
  • PCR is the preset device power backoff value.
  • EIRP_P Regulatory is the effective omnidirectional radiated power value of the preset device, and G Ant is the antenna gain of the wireless communication device.
  • PSD Regulatory is the preset device power spectral density value
  • BW is the bandwidth occupied by the wireless communication device
  • EIRP_PSD Regulatory is the effective omnidirectional radiation power spectral density value of the preset device.
  • the first condition further includes: The difference in angle between the direction of the antenna and the direction of the antenna of the second wireless communication device is less than or equal to a third threshold.
  • a third aspect of the embodiments of the present invention provides a wireless communication device, including: an input device, an output device, a processor, and a memory;
  • the memory is used to store the program
  • the processor is configured to execute a program in the memory, and specifically includes the following steps:
  • the wireless communication device determines that the first condition is met, if it is determined that the maximum transmit power corresponding to the wireless communication device is greater than a preset threshold, the maximum transmit power is adjusted, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is used. Under the first condition, suppressing interference of the wireless communication device with the receiving performance of the second wireless communication device;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the maximum transmit power corresponding to the first wireless communication device is adjusted.
  • the adjusted maximum transmit power is less than or equal to a preset threshold, where the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and the first wireless communication device The difference between the operating frequency and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the interference of the first wireless communication device to the receiving performance of the second wireless communication device can be suppressed, and the coexistence requirement of the first wireless communication device and the second wireless communication device under the first condition can be met. That is to say, the solution can suppress interference between devices and meet the coexistence requirements of multiple devices.
  • FIG. 1 is a flow chart of an embodiment of a method for determining transmit power in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an embodiment of a wireless communication device according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of a wireless communication device according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another embodiment of a wireless communication device according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another embodiment of a wireless communication device according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • Code Division Multiple Access Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication device in the embodiment of the present invention includes but is not limited to a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal, a Mobile Telephone, and a Mobile Phone ( Handset), portable equipment, and automatic charging equipment, etc.
  • the communication device can communicate with one or more core networks via a radio access network (for example, the communication device can be a mobile phone (or A "cellular" telephone, a computer with wireless communication capabilities, etc., the communication device can also be a portable, pocket, handheld, computer built-in or vehicle-mounted mobile device.
  • Embodiments of the present invention provide a method for determining transmit power and a wireless communication device, which are used to suppress interference between devices and meet coexistence requirements of multiple devices.
  • the method and the wireless communication device in the embodiment of the present invention are applicable to the scenario where the ITS terminal and the automatic charging device coexist, and are also applicable to the scenario where the other wireless communication devices coexist, which is not limited in the embodiment of the present invention.
  • the wireless access system is divided into three layers, wherein layer one is a physical (PHY) layer, and layer two is a media access control (MAC) layer and a radio link control sublayer (Radio Link Control, RLC) and Packet Data Convergence Protocol (PDCP), and Layer 3 is the Radio Resource Control (RRC) layer.
  • the RRC layer in the embodiment of the present invention refers to the third layer in the wireless communication system accessed by the first wireless communication device, and P EMAX, c is the system corresponding to the first wireless communication device in the signaling of the RRC layer.
  • the power value delivered by a carrier, ⁇ p EMAX,c is the sum of the power values delivered by the system for each carrier corresponding to the first wireless communication in the signaling of the RRC layer.
  • the wireless communication device includes an RF filter, and the unevenness of the RF filter causes power loss.
  • the first power loss value ⁇ T C,c refers to the flatness of the RF filter of the first wireless communication device on the target carrier.
  • the resulting power loss, the fourth power loss value ⁇ T C refers to the maximum value of the power loss values caused by the flatness of the radio frequency filter of the first wireless communication device on each carrier, with respect to ⁇ T C, c and ⁇ T C
  • 3GPP TS36.101 which is not described here.
  • the second power loss value ⁇ T IB,c and the third power loss value ⁇ T ProSe refer to power loss brought to the first wireless communication device by the filter added to meet the requirements of simultaneous multi-band generation, etc., regarding ⁇ T IB, Specific definitions and values of c and ⁇ T ProSe can be referred to 3GPP TS 36.101 , and are not described here.
  • the first power backoff value MPR c refers to the maximum power backoff value corresponding to the target carrier
  • the second power backoff value A-MPR c refers to the additional maximum power backoff value corresponding to the target carrier
  • the value P-MPR c refers to the power backoff caused by the power sharing of the plurality of wireless connections corresponding to the first wireless communication device on the target carrier
  • the fourth power backoff value MPR refers to the correspondence of the first wireless communication device.
  • the maximum power backoff value, the fifth power backoff value A-MPR refers to an additional maximum power backoff value corresponding to the first wireless communication device, and the sixth power backoff value P-MPR refers to the first wireless communication device.
  • the power sharing caused by the corresponding multiple wireless connections is caused by the power backoff caused by the first wireless communication device, and the specific definitions of MPR c , A-MPR c , P-MPR c , MPR, A-MPR and P-MPR Reference may be made to 3GPP TS 36.101, which is not described here.
  • an embodiment of the method for determining transmit power in the embodiment of the present invention includes:
  • the first wireless communication device determines a distance between the first wireless communication device and the second wireless communication device.
  • the first wireless communication device can acquire the location of the second wireless communication device, and then determine the first wireless communication device and the second according to the location and the location thereof.
  • the distance between wireless communication devices may determine the location of the second wireless communication device by querying the database, and may determine the location of the second wireless communication device by using the received signal sent by the second wireless communication device, and may further determine by using other methods.
  • the location of the second wireless communication device is not limited herein.
  • the first wireless communication device determines that the distance between the first wireless communication device and the second wireless communication device is a dynamic process, and the distance should be related to the movement of the first wireless communication device and/or the second wireless communication device. Alternatively, the first wireless communication device can acquire the distance periodically or irregularly.
  • the first wireless communication device determines an operating frequency of the second wireless communication device.
  • the second wireless communication device operates in a certain frequency band, and the first wireless communication device can determine the working frequency of the second wireless communication device by querying the database, and can also determine the work of the second wireless communication device by receiving a signal sent by the second wireless communication device.
  • the frequency of the second wireless communication device can be determined by other methods, which is not limited herein. After the first wireless communication device determines the operating frequency of the second wireless communication device, the difference between the operating frequency of the second wireless communication device and the operating frequency of the second wireless communication device can be determined.
  • the first wireless communication device adjusts a maximum transmit power corresponding to the first wireless communication device.
  • the first wireless communication device can determine whether the first wireless communication device meets the a first condition, the first condition includes: the distance is less than or equal to a first threshold, the difference is less than or equal to a second threshold, and when the first wireless communication device determines that the first condition is met, the first wireless communication device determines the first Whether the maximum transmit power corresponding to the wireless communication device is greater than a preset threshold, and if the value is greater than, the first wireless communication device adjusts the maximum transmit power, so that the adjusted maximum transmit power is less than or equal to the preset threshold.
  • the first threshold and the second threshold are based on a condition setting that generates interference between the first wireless communication device and the second wireless communication device, that is, when the first wireless communication device and the second wireless communication device meet the first condition. Interference may occur between the first wireless communication device and the second wireless communication device, and the specific value may be determined by testing or other means.
  • the preset threshold is used to suppress interference of the first wireless communication device with the receiving performance of the second wireless communication device under the first condition.
  • the maximum transmit power corresponding to the first wireless communication device is adjusted.
  • the adjusted maximum transmit power is less than or equal to a preset threshold, where the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and the first wireless communication device The difference between the operating frequency and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the interference of the first wireless communication device to the receiving performance of the second wireless communication device can be suppressed, and the coexistence requirement of the first wireless communication device and the second wireless communication device under the first condition can be met. That is to say, the solution can suppress interference between devices and meet the coexistence requirements of multiple devices.
  • the first condition may include that the distance is less than or equal to the first threshold and the operating frequency difference is less than or equal to the second threshold, and may further include that the angle difference is less than or equal to the third threshold, and the angle difference is Refers to the difference in angle between the antenna direction of the first wireless communication device and the second wireless communication device, and the third threshold is also based on a condition setting of interference between the first wireless communication device and the second wireless communication device. of.
  • the maximum transmit power corresponding to the first wireless communication device may be the maximum configured transmit power of the carrier of the first wireless communication device, and may be the maximum configured transmit power of the first wireless communication device, or may be The maximum transmit power defined by the first wireless communication device based on other reasons. The following describes the maximum transmit power corresponding to the first wireless communication device as the maximum configured transmit power of the carrier, and the maximum transmit power corresponding to the first wireless communication device as the maximum configured transmit power of the device.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power of the carrier.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power of the carrier of the first wireless communication device, P CMAX,c , the first wireless
  • the communication device adjusts the maximum transmit power corresponding to the first wireless communication device by:
  • the first wireless communication device adjusts the maximum configured transmission power P CMAX,c of the target carrier by the following (1) to (3):
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ⁇ (3);
  • P EMAX,c is the power value that the RRC layer delivers to the target carrier, and the RRC layer generally sets the power value based on the operator's setting or other reasons.
  • the value of P EMAX,c based on the operator or other reasons is compared with a preset threshold. When the value is greater than the preset threshold, the value of P EMAX,c is adjusted to a preset threshold at the RRC layer.
  • the first wireless communication device is sent to the first wireless communication device by using the signaling. At this time, the first wireless communication device determines the maximum configured transmission power of the target carrier according to the above formulas (1) to (3), so that the maximum configuration transmission of the target carrier can be performed. The power is less than or equal to the preset threshold.
  • the value of P EMAX is set based on the operator or other reasons , the value of c is less than the preset threshold, indicating that the original configured transmit power of the target carrier defined by 3GPP TS 36.101 is not less than a preset threshold.
  • the first wireless communication device does not need to adjust the maximum configured transmit power of the target carrier, and the RRC layer directly sends the value to the first wireless communication device by using signaling, and the first wireless communication device further uses the above formula (1) to ( 3) Determine the maximum configured transmit power of the target carrier.
  • the embodiment of the invention provides a specific manner for adjusting the maximum configured transmission power of the carrier of the first wireless communication device, and improves the achievability of the solution.
  • Mode 2 define a new amount of power.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power of the carrier of the first wireless communication device, P CMAX,c , the first wireless
  • the communication device adjusts the maximum transmit power corresponding to the first wireless communication device by:
  • the first wireless communication device adjusts the maximum configured transmission power P CMAX,c of the target carrier by the following formulas (4) to (6):
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ⁇ (6);
  • P Regulatory,c is a newly defined amount of power, and P Regulatory,c is equal to a preset threshold.
  • P Regulatory,c may be directly set to a preset threshold, or P Regulatory,c may be replaced with the following formula:
  • the PCR c is a preset carrier power backoff value, and the preset carrier power backoff value is set based on a preset threshold and a value of P PowerClass , and corresponds to different values in different scenarios.
  • EIRP_P Regulatory, c is a preset carrier effective omnidirectional radiation power value
  • G Ant is an antenna gain corresponding to the first wireless communication device.
  • the preset carrier effective omnidirectional radiation power value is set by the user or the system, and may be based on the effective omnidirectional radiation power of the carrier of the first wireless communication device and the second wireless communication device coexisting with the carrier under the first condition. The restrictions can be set based on other factors, which are not limited here.
  • the preset threshold is equal to the preset carrier effective isotropic radiation power value minus the antenna gain corresponding to the first wireless communication device.
  • PSD Regulatory, c is the preset carrier power spectral density value
  • BW is the bandwidth occupied by the target carrier. It should be understood that the preset carrier power spectral density value is set by the user or the system, and may specifically be set based on the limitation of the power spectral density of the carrier of the coexistence of the first wireless communication device and the second wireless communication device under the first condition. It can also be set based on other factors, which is not limited herein.
  • the preset threshold is equal to the PSD Regulatory, c + 10lg BW.
  • c is the effective carrier omnidirectional radiated power spectral density value of the preset carrier
  • BW is the bandwidth occupied by the target carrier
  • G Ant is the antenna gain corresponding to the first wireless communication device.
  • the preset carrier effective omnidirectional power spectral density value is set by the user or the system, and may be based on the effective omnidirectional radiation power spectrum of the coexistence of the first wireless communication device and the second wireless communication device under the first condition. The setting of the density may be set based on other factors, and is not limited herein.
  • the embodiment of the invention provides a plurality of specific manners for adjusting the maximum configured transmit power of the carrier of the first wireless communication device, thereby improving the flexibility of the solution.
  • Mode 3 define multiple new power quantities.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power of the carrier of the first wireless communication device, P CMAX,c , the first wireless
  • the communication device adjusts the maximum transmit power corresponding to the first wireless communication device by:
  • the first wireless communication device adjusts the maximum configured transmission power P CMAX,c of the target carrier by the following formulas (11) to (13):
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ,PSD Regulatory,c +10lg BW ⁇ (13);
  • the P Regulatory, c is a preset threshold, and may be set according to the limitation of the coexistence of the first wireless communication device and the second wireless communication device to the configured transmit power of the carrier, in the first condition, the PSD Regulatory, c is a pre-
  • the carrier power spectral density value may be set according to the limitation of the power spectral density of the carrier of the first wireless communication device and the second wireless communication device under the first condition, or may be set based on other factors, This is not a limitation.
  • the first wireless communication device determines the maximum configured transmission power of the target carrier by using the above formulas (11) to (13), and simultaneously satisfies the power spectral density and carrier of the carrier when the first wireless communication device and the second wireless communication device coexist.
  • the configuration of the transmit power is limited.
  • the effective omnidirectional radiated power of the carrier and the configured transmit power of the carrier may be simultaneously defined.
  • the first wireless communication device adopts the following formula ( 14) to (16) adjust the maximum configured transmit power of the target carrier P CMAX,c :
  • P CMAX_H,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory,c ,EIRP_P Regulatory,c -G Ant ⁇ (16);
  • EIRP_P Regulatory, c is the preset carrier effective isotropic radiation power value.
  • the effective omnidirectional radiated power of the carrier and the power spectral density of the carrier may be simultaneously defined.
  • the first wireless communication device adjusts the maximum configured transmit power P CMAX of the target carrier by using the following formulas (17) to (19) , c :
  • PSD Regulatory, c is the preset carrier power spectral density value
  • EIRP_P Regulatory, c is the preset carrier effective omnidirectional radiation power value
  • the preset threshold is equal to PSD Regulatory, c +10lgBW and EIRP_P Regulatory, c - G Ant The minimum value between.
  • the three parameters of the effective omnidirectional radiated power of the carrier, the configured transmit power of the carrier, and the power spectral density of the carrier may be simultaneously defined.
  • the first wireless communication device adjusts the method by the following formulas (20) to (22).
  • the maximum configured transmit power of the target carrier, P CMAX,c The maximum configured transmit power of the target carrier, P CMAX,c :
  • EIRP_P Regulatory, c is the preset carrier effective isotropic radiation power value
  • PSD Regulatory, c is the preset carrier power spectral density value
  • P Regulatory, c is the preset threshold.
  • the present application can simultaneously configure the transmit power of the carrier, the power spectral density of the carrier, the effective omnidirectional radiated power of the carrier, and the effective omnidirectional radiated power spectral density of the carrier.
  • Two or more parameters in the definition are defined, and the corresponding formulas are not listed here.
  • the above formulas (11) to (13), (14) to (16), (17) to (19), and (20) to (22) are not limited to the maximum configuration transmit power applicable to the target carrier.
  • the case of the threshold can also be applied to the case where the maximum configured transmission power of the target carrier is greater than a preset threshold.
  • the embodiment of the present invention defines a plurality of new power quantities, and can simultaneously satisfy a plurality of parameters of the carrier of the first wireless communication device when the first wireless communication device and the second wireless communication device coexist.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power of the device.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power P CMAX of the first wireless communication device
  • the first wireless communication device passes the following Equations (23) through (25) adjust the maximum configured transmit power P CMAX of the first wireless communication device:
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ⁇ (25);
  • ⁇ p EMAX,c is the sum of the power values delivered by the system in the signaling of the RRC layer for each carrier corresponding to the first wireless communication, and the RRC layer is generally set based on the operator's settings or other reasons.
  • a value of 10 log 10 ⁇ p EMAX,c is calculated according to the power value of each carrier set based on the operator or other reasons. And comparing the value with the preset threshold. When the value is greater than the preset threshold, the power value of each carrier is adjusted at the RRC layer, so that 10 log 10 ⁇ p EMAX,c is equal to the preset threshold, and then the letter is passed.
  • the power value of each carrier is sent, and the first wireless communication device determines the maximum configured transmit power of the first wireless communication device according to the above formulas (23) to (25), so that the maximum configuration of the first wireless communication device can be made.
  • the transmit power is less than or equal to a preset threshold.
  • the embodiment of the invention provides a specific manner for adjusting the maximum configured transmission power of the first wireless communication device, and improves the achievability of the solution.
  • Mode 2 define a new amount of power.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power P CMAX of the first wireless communication device
  • the first wireless communication device passes the following Equations (26) through (28) adjust the maximum configured transmit power P CMAX of the first wireless communication device:
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ⁇ (28);
  • P Regulatory is a newly defined amount of power and P Regulatory is equal to a preset threshold.
  • P Regulatory may be directly set as a preset threshold, or P Regulatory may be replaced with the following formula:
  • the PCR is a preset device power backoff value, and the preset device power backoff value is set based on a preset threshold and a value of P PowerClass , and corresponds to different values in different scenarios.
  • EIRP_P Regulatory is the effective omnidirectional radiation power value of the preset device
  • G Ant is the antenna gain corresponding to the first wireless communication device.
  • the effective omnidirectional radiated power value of the preset device is set by the user or the system, and specifically, based on the first condition, the coexistence of the first wireless communication device and the second wireless communication device is effective for the first wireless communication device.
  • the setting of the radiant power limitation may also be set based on other factors, which is not limited herein.
  • the preset threshold is equal to the effective omnidirectional radiation power value of the preset device minus the antenna gain corresponding to the first wireless communication device.
  • the PSD Regulatory is a preset device power spectral density value
  • the BW is a bandwidth occupied by the first wireless communication device. It should be understood that the preset device power spectral density value is set by the user or the system, and specifically, based on the first condition, the coexistence of the first wireless communication device and the second wireless communication device to the power spectral density of the first wireless communication device The restrictions can be set based on other factors, which are not limited here.
  • the preset threshold is equal to the PSD Regulatory + 10 lgBW.
  • the EIRP_PSD Regulatory is the effective omnidirectional radiated power spectral density value of the preset device, the BW is the bandwidth occupied by the first wireless communication device, and the G Ant is the antenna gain corresponding to the first wireless communication device.
  • the effective omnidirectional power spectral density value of the preset device is set by the user or the system, and may be based on the effective omnidirectional radiation power spectrum of the coexistence device of the first wireless communication device and the second wireless communication device under the first condition.
  • the setting of the density may be set based on other factors, and is not limited herein.
  • the embodiments of the present invention provide various specific manners for adjusting the maximum configured transmit power of the first wireless communication device, thereby improving the flexibility of the solution.
  • Mode 3 define multiple new power quantities.
  • the maximum transmit power corresponding to the first wireless communication device is the maximum configured transmit power P CMAX of the first wireless communication device
  • the first wireless communication device passes the following Equations (33) through (35) adjust the maximum configured transmit power P CMAX of the first wireless communication device:
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ,PSD Regulatory +10lgBW ⁇ (35);
  • the P Regulatory is a preset threshold, and may be set according to a limitation that the coexistence of the first wireless communication device and the second wireless communication device limits the configured transmission power of the first wireless communication device, and the PSD Regulatory is pre-
  • the device power spectral density value may be set according to the limitation of the power spectral density of the first wireless communication device and the second wireless communication device according to the first condition, and may also be set based on other factors, This is not a limitation.
  • the first wireless communication device determines the maximum configured transmission power of the first wireless communication device by using the above formulas (33) to (35), and can simultaneously satisfy the first wireless communication device and the second wireless communication device when the first wireless communication device coexists with the second wireless communication device.
  • the effective omnidirectional radiation power of the first wireless communication device and the configuration transmission of the first wireless communication device may be simultaneously performed.
  • the power is limited.
  • the first wireless communication device adjusts the maximum configured transmit power P CMAX of the first wireless communication device by the following formulas (36) to (38):
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ,EIRP_P Regulatory -G Ant ⁇ (38);
  • P Regulatory, c is the preset threshold
  • EIRP_P Regulatory is the effective omnidirectional radiated power value of the preset device.
  • the effective omnidirectional radiated power of the first infinite communication device and the power spectral density of the first wireless communication device may be simultaneously defined.
  • the first wireless communication device adjusts the first wireless by the following formulas (39) to (41)
  • the maximum configured transmit power of the communication device P CMAX The maximum configured transmit power of the communication device P CMAX :
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,EIRP_P Regulatory -G Ant ,PSD Regulatory +10lgBW ⁇ (41);
  • the PSD Regulatory is the preset device power spectral density value
  • the EIRP_P Regulatory is the preset device effective isotropic radiation power value.
  • the preset threshold is equal to the minimum value between PSD Regulatory +10lgBW and EIRP_P Regulatory -G Ant .
  • the three parameters of the effective omnidirectional radiation power of the first wireless communication device, the configured transmission power of the first wireless communication device, and the power spectral density of the first wireless communication device may be simultaneously defined, specifically, the first wireless communication device
  • the maximum configured transmit power P CMAX of the device is adjusted by the following equations (42) to (44):
  • P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass ,P Regulatory ,EIRP_P Regulatory -G Ant ,PSD Regulatory +10lgBW ⁇ (44);
  • the PSD Regulatory is the preset device power spectral density value
  • the EIRP_P Regulatory is the preset device effective isotropic radiation power value
  • the P Regulatory is the preset threshold.
  • the present application can simultaneously configure the transmit power of the device, the power spectral density of the device, the effective omnidirectional radiated power of the device, and the effective omnidirectional radiated power spectral density of the device.
  • Two or more parameters in the definition are defined, and the corresponding formulas are not listed here.
  • the embodiment of the invention defines a plurality of new power quantities, and can simultaneously define a plurality of parameters of the first wireless communication device when the first wireless communication device and the second wireless communication device coexist.
  • an embodiment of the wireless communication device in the embodiment of the present invention includes:
  • the first determining module 201 is configured to determine a distance between the wireless communication device and the second wireless communication device;
  • a second determining module 202 configured to determine an operating frequency of the second wireless communications device
  • the adjustment module 203 is configured to: when it is determined that the first condition is met and the maximum transmit power corresponding to the wireless communication device is greater than the preset threshold, adjust the maximum transmit power, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is Used to suppress interference of the wireless communication device with the receiving performance of the second wireless communication device under the first condition;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the adjustment module 203 adjusts the maximum transmit power corresponding to the first wireless communication device, so that The adjusted maximum transmit power is less than or equal to a preset threshold, where the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and a work of the first wireless communication device The difference between the frequency and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the interference of the first wireless communication device to the receiving performance of the second wireless communication device can be suppressed, and the coexistence requirement of the first wireless communication device and the second wireless communication device under the first condition can be met. That is to say, the solution can suppress interference between devices and meet the coexistence requirements of multiple devices.
  • the maximum transmit power corresponding to the wireless communication device may be a wireless communication device.
  • the maximum configured transmit power of the carrier may be the maximum configured transmit power of the wireless communication device, or may be the maximum transmit power limited by other reasons for the wireless communication device.
  • the maximum transmit power corresponding to the wireless communication device is the maximum configured transmit power of the carrier, P EMAX,c .
  • another embodiment of the wireless communication device in the embodiment of the present invention includes:
  • a first determining module 301 configured to determine a distance between the wireless communications device and the second wireless communications device
  • a second determining module 302, configured to determine an operating frequency of the second wireless communications device
  • the adjusting module 303 is configured to: when it is determined that the first condition is met and the maximum transmit power corresponding to the wireless communication device is greater than the preset threshold, adjust the maximum transmit power, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is Used to suppress interference of the wireless communication device with the receiving performance of the second wireless communication device under the first condition;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the maximum transmit power corresponding to the wireless communication device includes: a maximum configured transmit power of a carrier of the wireless communication device.
  • the first condition may further include that the angle difference between the antenna direction of the wireless communication device and the antenna direction of the second wireless communication device is less than or equal to a third threshold, or other conditions, in the embodiment of the present invention. Not limited.
  • the adjustment module 303 may include:
  • the first adjusting unit 3031 is configured to adjust a maximum configured transmission power P CMAX,c of the target carrier of the wireless communication device by using the above formulas (1) to (3).
  • the second adjusting unit 3032 is configured to adjust a maximum configured transmission power P CMAX,c of the target carrier of the wireless communication device by using the above formulas (4) to (6).
  • the adjustment module 303 adjusts the maximum transmit power corresponding to the first wireless communication device, so that The adjusted maximum transmit power is less than or equal to a preset threshold, where the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and a work of the first wireless communication device The difference between the frequency and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the interference of the first wireless communication device to the receiving performance of the second wireless communication device can be suppressed, and the coexistence requirement of the first wireless communication device and the second wireless communication device under the first condition can be met. That is to say, the solution can suppress interference between devices and meet the coexistence requirements of multiple devices.
  • the maximum transmit power corresponding to the wireless communication device includes the maximum configured transmit power of the carrier, and the embodiment of the present invention provides a plurality of manners for adjusting the maximum configured transmit power of the carrier, thereby improving the flexibility of the solution.
  • the maximum transmit power corresponding to the wireless communication device is the maximum configured transmit power P CMAX of the device .
  • another embodiment of a wireless communication device in an embodiment of the present invention includes:
  • a first determining module 401 configured to determine a distance between the wireless communication device and the second wireless communication device
  • a second determining module 402 configured to determine an operating frequency of the second wireless communication device
  • the adjusting module 403 is configured to: when it is determined that the first condition is met and the maximum transmit power corresponding to the wireless communication device is greater than the preset threshold, adjust the maximum transmit power, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is Used to suppress interference of the wireless communication device with the receiving performance of the second wireless communication device under the first condition;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the maximum transmit power corresponding to the wireless communication device includes: a maximum configured transmit power of the wireless communication device.
  • the first condition may further include that the angle difference between the antenna direction of the wireless communication device and the antenna direction of the second wireless communication device is less than or equal to a third threshold or other condition, which is specifically in the embodiment of the present invention. Not limited.
  • the adjustment module 403 may include:
  • the third adjusting unit 4031 is configured to adjust the maximum configured transmit power P CMAX of the wireless communication device by using the above formulas (23) to (25);
  • the fourth adjusting unit 4032 is configured to adjust the maximum configured transmission power P CMAX of the wireless communication device by using the above formulas (26) to (28);
  • the adjustment module 403 adjusts the maximum transmit power corresponding to the first wireless communication device, so that The adjusted maximum transmit power is less than or equal to a preset threshold, where the first condition includes: a distance between the first wireless communication device and the second wireless communication device is less than or equal to a first threshold, and a work of the first wireless communication device The difference between the frequency and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the interference of the first wireless communication device to the receiving performance of the second wireless communication device can be suppressed, and the coexistence requirement of the first wireless communication device and the second wireless communication device under the first condition can be met. That is to say, the solution can suppress interference between devices and meet the coexistence requirements of multiple devices.
  • the maximum transmit power corresponding to the wireless communication device in the embodiment of the present invention includes the maximum configured transmit power of the device, and the embodiment of the present invention provides various manners for adjusting the maximum configured transmit power of the wireless communication device, thereby improving the flexibility of the solution.
  • Wireless communication device 50 can include input device 510, output device 520, processor 530, and memory 540.
  • Memory 540 can include read only memory and random access memory and provides instructions and data to processor 530. A portion of the memory 540 may also include a non-volatile random access memory (Non-Volatile Random Access) Memory, NVRAM).
  • Non-Volatile Random Access Non-Volatile Random Access Memory
  • Memory 540 stores the following elements, executable modules or data structures, or subsets thereof, or their extended sets:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 530 is configured to:
  • the wireless communication device determines that the first condition is met, if it is determined that the maximum transmit power corresponding to the wireless communication device is greater than a preset threshold, the maximum transmit power is adjusted, so that the adjusted maximum transmit power is equal to or less than a preset threshold, and the preset threshold is used. Under the first condition, suppressing interference of the wireless communication device with the receiving performance of the second wireless communication device;
  • the first condition includes: the distance is less than or equal to the first threshold, and the difference between the operating frequency of the wireless communication device and the operating frequency of the second wireless communication device is less than or equal to the second threshold.
  • the processor 530 controls the operation of the wireless communication device 50, which may also be referred to as a Central Processing Unit (CPU).
  • Memory 540 can include read only memory and random access memory and provides instructions and data to processor 530. A portion of the memory 540 may also include an NVRAM.
  • the various components of the wireless communication device 50 are coupled together by a bus system 550.
  • the bus system 550 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 550 in the figure.
  • Processor 530 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 530 or an instruction in a form of software.
  • the processor 530 may be a general-purpose processor, a digital signal processing (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or Other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processing
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 540, and the processor 530 reads the information in the memory 540 and performs the steps of the above method in combination with its hardware.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the display The mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例公开了一种确定发射功率的方法。本发明实施例方法包括：第一无线通讯设备确定第一无线通讯设备与第二无线通讯设备之间的距离；第一无线通讯设备确定第二无线通讯设备的工作频率；第一无线通讯设备确定满足第一条件时，若确定第一无线通讯设备对应的最大发射功率大于预设阈值，则调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰；其中，第一条件包括：距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。

Description

一种确定发射功率的方法及无线通讯设备 技术领域
本申请涉及通信领域，尤其涉及一种确定发射功率的方法及无线通讯设备。
背景技术
在欧洲，自动收费站(tolling station)使用的频率范围和智能交通系统(Intelligent traffic system，ITS)使用的频率范围非常接近。为了保护收费站不被ITS终端干扰，在欧洲电信标准化组织(European Telecommunications Standards Institute，ETSI)技术规范(Technical Specification，TS)102 792中，定义了ITS技术与现有tolling station的共存要求，如图1。当ITS终端(工作频率范围为5855-5925MHz)在tolling station(工作频率范围为5795-5815MHz)附近时，为了不干扰tolling station，要求ITS终端的功率不能大于某一个数值。这个因共存产生的功率要求需要反映到3GPP的车对车(Vehicle to Vehicle，V2V)用户设备(User equipment，UE)的功率定义上，使得V2V UE能够满足ETSI规定的共存要求。
现有技术将动态最大功率回退(dynamic maximum power reduction，D-MPR)引入到最大配置发射功率中，将3GPP TS36.101中的最大配置发射功率的计算公式修改为：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000001
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
但是上述方式仅仅只对最大配置发射功率的下限进行了修改，并未对上限进行修改，上限值仍然比共存需求规定的一般情况要大，因此上述方式并不能很好的满足ETSI规定的共存要求，设备之间仍然会产生较大的干扰。
发明内容
本发明实施例提供了一种确定发射功率的方法及无线通讯设备，用于抑制设备之间的干扰，满足多个设备的共存需求。
有鉴于此，本发明实施例第一方面提供了一种确定发射功率的方法，包括：
第一无线通讯设备确定其与第二无线通讯设备之间的距离，以及第二无线通讯设备的工作频率，当第一无线通讯设备确定满足第一条件时，若第一无线通讯设备确定自身对应的最大发射功率大于预设阈值，则调整该最大发射功率为该预设阈值，该预设阈值用于在第一条件下，抑制第一无线通讯设备对第二无线通讯设备的接收性能干扰，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
需要说明的是，接收性能包括接收的灵敏度，接收范围以及接收阻塞指标等。
本发明实施例通过对预设阈值的限定，在第一条件下，可以抑制第一无线通讯设备对第二无线通讯设备对第二无线通讯设备的接收性能的干扰，从而能够满足第一无线通讯设备与第二无线通讯设备的共存需求。
结合本发明实施例的第一方面，在本发明实施例第一方面的第一种实现方式中，第一 无线通讯设备对应的最大发射功率包括：第一无线通讯设备的载波的最大配置发射功率PCMAX,c。
本发明实施例中可以通过对载波的最大配置发送功率的调整降低干扰，提供了一种降低设备之间干扰的实现方式，提高了方案的可实现性。
结合本发明实施例第一方面的第一种实现方式，在本发明实施例第一方面的第二种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000002
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
其中，PEMAX,c为无线资源控制(Radio Resource Control，RRC)层对目标载波下发的功率值，PEMAX,c等于预设阈值；ΔTC,c为第一功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值。
应理解，目标载波指的是第一无线通讯设备对应的任意一个载波，第一功率损失值指的是第一无线通讯设备的滤波器的平坦度在目标载波上造成的功率损失，第二功率损失值和第三功率损失值指的是额外的滤波器造成的功率损失，第一功率回退值指的是目标载波对应的最大功率回退值，第二功率回退值指的是目标载波对应的额外最大功率回退值，第三功率回退值指的是第一无线通讯设备对应的多个无线连接带来的功率共享在目标载波上造成的功率回退。
本发明实施例提供了一种调整载波的最大配置发射功率的具体方式，提高了方案的可实现性。
结合本发明实施例第一方面的第一种实现方式，在本发明实施例第一方面的第三种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的目标载波的最大配置发射功率PCMAXc：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000003
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}；
其中，PEMAX,c为RRC层对目标载波下发的功率值；ΔTC,c为第一功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值；PRegulatory,c等于预设阈值。
本发明实施例提供了另一种调整载波的最大配置发射功率的具体方式，提高了方案的灵活性。
结合本发明实施例第一方面的第三种实现方式，在本发明实施例第一方面的第四种实 现方式中，
PRegulatory,c＝PPowerClass-PCRc；
PCRc为预设载波功率回退值。
本发明实施例提供了另一种调整载波的最大配置发射功率的具体方式，提高了方案的灵活性。
结合本发明实施例第一方面的第三种实现方式，在本发明实施例第一方面的第五种实现方式中，
PRegulatory,c＝EIRP_PRegulatory,c-GAnt；
或，
PRegulatory,c＝EIRP_PSDRegulatory,c-GAnt+10lgBW；
EIRP_PRegulatory,c为预设载波有效全向辐射功率值，GAnt为第一无线通讯设备的天线增益，EIRP_PSDRegulatory,c为预设载波有效全向辐射功率谱密度值。
本发明实施例可以设定载波的有效全向辐射功率值，以调整载波的最大配置发射功率，从而使设备满足共存需求，提高了方案的灵活性。
结合本发明实施例第一方面的第三种实现方式，在本发明实施例第一方面的第六种实现方式中，
PRegulatory,c＝PSDRegulatory,c+10lgBW；
PSDRegulatory,c为预设载波功率谱密度值，BW为目标载波占用的带宽。
本发明实施例可以设定载波的功率谱密度值，以调整载波的最大配置发射功率，从而使设备满足共存需求，提高了方案的灵活性。
结合本发明实施例第一方面的第二种实现方式，在本发明实施例第一方面的第七种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000004
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c,PSDRegulatory,c+10lgBW}；
其中，PEMAX,c为RRC层对目标载波下发的功率值；ΔTC,c为第一功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc第三功率回退值；PRegulatory,c为预设阈值；所述PSDRegulatory,c为预设载波功率谱密度值。
本发明实施例能够同时对载波配置发射功率和载波功率谱密度进行限定，以满足共存需求，提高了方案的灵活性。
结合本发明实施例的第一方面，在本发明实施例第一方面的第八种实现方式中，第一无线通讯设备对应的最大发射功率包括：第一无线通讯设备的最大配置发射功率PCMAX。
本发明实施例可以通过对第一无线通讯设备的最大配置发射功率的调整抑制第一无线 通讯设备对第二无线通讯设备的接收性能的下降，提供了一种满足共存需求的实现方式，提高了方案的可实现性。
结合本发明实施例第一方面的第八种实现方式，在本发明实施例第一方面的第九种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000005
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}；
其中，10log10∑pEMAX,c等于预设阈值；ΔTC为第四功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值；pEMAX,c为RRC层对第一无线通讯设备对应的载波下发的功率值。
应理解，第四功率损失值指的是第一无线通讯设备的滤波器的平坦度在第一无线通讯设备上造成的功率损失，第二功率损失值和第三功率损失值指的是额外的滤波器造成的功率损失，第四功率回退值指的是第一无线通讯设备对应的最大功率回退值，第五功率回退值指的是第一无线通讯设备对应的额外最大功率回退值，第六功率回退值指的是第一无线通讯设备对应的多个无线连接带来的功率共享在第一无线通讯设备上造成的功率回退。
本发明实施例提供了一种调整第一无线通讯设备的最大配置发射功率的具体方式，提高了方案的可实现性。
结合本发明实施例第一方面的第八种实现方式，在本发明实施例第一方面的第十种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000006
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}；
其中，pEMAX,c为RRC对第一无线通讯设备对应的载波下发的功率值；ΔTC为第四功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值；PRegulatory等于预设阈值。
本发明实施例提供了另一种调整第一无线通讯设备的最大配置发射功率的具体方式，提高了方案的灵活性。
结合本发明实施例第一方面的第十种实现方式，在本发明实施例第一方面的第十一种实现方式中，
PRegulatory＝PPowerClass-PCR；
PCR为预设设备功率回退值。
本发明实施例提供了另一种调整第一无线通讯设备的最大配置发射功率的具体方式，提高了方案的灵活性。
结合本发明实施例第一方面的第十种实现方式，在本发明实施例第一方面的第十二种实现方式中，
PRegulatory＝EIRP_PRegulatory-GAnt；
或，
PRegulatory＝EIRP_PSDRegulatory-GAnt+10lgBW；
EIRP_PRegulatory为预设设备有效全向辐射功率值，GAnt为第一无线通讯设备的天线增益，EIRP_PSDRegulatory为预设设备有效全向辐射功率谱密度值。
本发明实施例可以设定设备的有效全向辐射功率值，以调整设备的最大配置发射功率，从而使设备满足共存需求，提高了方案的灵活性。
结合本发明实施例第一方面的第十种实现方式，在本发明实施例第一方面的第十三种实现方式中，
PRegulatory＝PSDRegulatory+10lgBW；
PSDRegulatory为预设设备功率谱密度值，BW为第一无线通讯设备占用的带宽。
本发明实施例可以设定设备的功率谱密度值，以调整设备的最大配置发射功率，从而使设备满足共存需求，提高了方案的灵活性。
结合本发明实施例第一方面的第十种实现方式，在本发明实施例第一方面的第十四种实现方式中，第一无线通讯设备可以通过如下公式调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000007
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory,PSDRegulatory+10lgBW}；
其中，pEMAX,c为RRC层对第一无线通讯设备对应的载波下发的功率值；ΔTC为第四功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值；PRegulatory为预设阈值；PSDRegulatory为预设设备功率谱密度值。
本发明实施例可以同时对设备的功率谱密度以及设备的配置发射功率进行限定，以满足共存需求，提高了方案的灵活性。
结合本发明实施例第一方面，第一方面的第一至第十四种实现方式，在本发明实施例第一方面的第十五种实现方式中，第一条件还包括：第一无线通讯设备的天线方向与第二无线通讯的天线方向之间的角度差值小于或等于第三阈值。
结合本发明实施例第一方面，在本发明实施例第一方面的第十六种实现方式中，当第 一无线通讯设备确定满足第一条件时，若第一无线通讯设备确定自身对应的最大发射功率不大于预设阈值，则第一无线通讯设备执行其他流程。
结合本发明实施例第一方面的第十六种实现方式，在本发实施例第一方面的第十七种实现方式中，第一无线通讯设备可以通过如下公式确定第一无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000008
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
其中，PEMAX,c为RRC层对目标载波下发的功率值，PEMAX,c小于预设阈值；ΔTC,c为第一功率损失值；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值；PPowerClass为第一无线通讯设备的功率等级。
结合本发明实施例第一方面的第十六种实现方式，在本发实施例第一方面的第十八种实现方式中，第一无线通讯设备可以通过如下公式确定第一无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c
Figure PCTCN2017071281-appb-000009
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}；
其中，PEMAX,c为RRC层对目标载波下发的功率值；ΔTC,c为第一功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值；PRegulatory,c等于预设阈值。
结合本发明实施例第一方面的第十八种实现方式，在本发明实施例第一方面的第十九种实现方式中，
PRegulatory,c＝PPowerClass-PCRc；
或，
PRegulatory,c＝EIRP_PRegulatory,c-GAnt；
或，
PRegulatory,c＝PSDRegulatory,c+10lgBW；
或，
PRegulatory,c＝EIRP_PSDRegulatory,c-GAnt+10lgBW；
其中PCRc为预设载波功率回退值，EIRP_PRegulatory,c为预设载波有效全向辐射功率值，GAnt为第一无线通讯设备的天线增益，PSDRegulatory,c为预设载波功率谱密度值，BW为目标载波占用的带宽，EIRP_PSDRegulatory,c为预设载波有效全向辐射功率谱密度值。
结合本发明实施例第一方面的第十六种实现方式，在本发实施例第一方面的第二十种 实现方式中，第一无线通讯设备可以通过如下公式确定第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000010
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}
其中，pEMA,Xc为RRC层对第一无线通讯设备对应的载波下发的功率值，10log10∑pEMAX,c小于预设阈值；ΔTC为第四功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值。
结合本发明实施例第一方面的第十六种实现方式，在本发实施例第一方面的第二十一种实现方式中，第一无线通讯设备可以通过如下公式确定第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000011
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}；
其中，pEMAX,c为RRC层对第一无线通讯设备对应的载波下发的功率值；ΔTC为第四功率损失值；PPowerClass为第一无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为
第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值；PRegulatory等于预设阈值。
结合本发明实施例第一方面的第二十一种实现方式，在本发明实施例第一方面的第二十二种实现方式中，
PRegulatory＝PPowerClass-PCR；
或，
PRegulatory＝EIRP_PRegulatory-GAnt；
或，
PRegulatory＝PSDRegulatory+10lg BW；
或，
PRegulatory＝EIRP_PSDRegulatory-GAnt+10lg BW；
其中，PCR为预设设备功率回退值，EIRP_PRegulatory为预设设备有效全向辐射功率值，GAnt为第一无线通讯设备的天线增益，PSDRegulatory为预设设备功率谱密度值，BW为第一无线通讯设备占用的带宽，EIRP_PSDRegulatory为预设设备有效全向辐射功率谱密度值。
本发明实施例第二方面提供了一种无线通讯设备，该无线通讯设备包括：
第一确定模块，用于确定该无线通讯设备与第二无线通讯设备之间的距离；
第二确定模块，用于确定第二无线通讯设备的工作频率；
调整模块，用于确定满足第一条件且确定无线通讯设备对应的最大发射功率大于预设阈值时，调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
结合本发明实施例第二方面，在本发明实施例第二方面的第一种实现方式中，无线通讯设备对应的最大发射功率包括：无线通讯设备的载波的最大配置发射功率PCMAX,c。
结合本发明实施例第二方面的第一种实现方式，在本发明实施例第二方面的第二种实现方式中，调整模块包括：
第一调整单元，用于通过如下公式调整无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
Figure PCTCN2017071281-appb-000012
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
其中，PEMAX,c为无线资源控制RRC层对目标载波下发的功率值，PEMAX,c等于预设阈值；ΔTC,c为第一功率损失值；PPowerClass为无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值。
结合本发明实施例第二方面的第一种实现方式，在本发明实施例第二方面的第三种实现方式中，调整模块包括：
第二调整单元，用于通过如下公式调整无线通讯设备的目标载波的最大配置发射功率PEMAX,c：
PCMAX_Lc≤PCMAXc≤PCMAX_Hc；
Figure PCTCN2017071281-appb-000013
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}；
其中，PEMAX,c为无线资源控制RRC层对目标载波下发的功率值；ΔTC,c为第一功率损失值；PPowerClass为无线通讯设备的功率等级；MPRc为第一功率回退值；A-MPRc为第二功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPRc为第三功率回退值；PRegulatory,c等于预设阈值。
结合本发明实施例第二方面的第三种实现方式，在本发明实施例第二方面的第四种实现方式中，
PRegulatory,c＝PPowerClass-PCRc；
PCRc为预设载波功率回退值。
结合本发明实施例第二方面的第三种实现方式，在本发明实施例第二方面的第五种实 现方式中，
PRegulatory,c＝EIRP_PRegulatory,c-GAnt；
或，
PRegulatory,c＝EIRP_PSDRegulatory,c-GAnt+10lg BW；
EIRP_PRegulatory,c为预设载波有效全向辐射功率值，GAnt为无线通讯设备的天线增益，EIRP_PSDRegulatory,c为预设载波有效全向辐射功率谱密度值。
结合本发明实施例第二方面的第三种实现方式，在本发明实施例第二方面的第六种实现方式中，
PRegulatory,c＝PSDRegulatory,c+10lg BW；
PSDRegulatory,c为预设载波功率谱密度值，BW为目标载波占用的带宽。
结合本发明第二方面的第一种实现方式，在本发明实施例第二方面的第七种实现方式中，无线通讯设备对应的最大发射功率包括：无线通讯设备的最大配置发射功率PCMAX。
结合本发明实施例第二方面的第七种实现方式，在本发明实施例第二方面的第八种实现方式中，调整模块包括：
第三调整单元，用于通过如下公式调整无线通讯设备的最大配置发射功率：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000014
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}；
其中，pEMAX,c为无线资源控制RRC对无线通讯设备对应的载波下发的功率值，10log10∑pEMAX,c等于预设阈值；ΔTC为第四功率损失值；PPowerClass为无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；ΔTProSe为第三功率损失值；P-MPR为第六功率回退值。
结合本发明实施例第二方面的第七种实现方式，在本发明实施例第二方面的第九种实现方式中，调整模块包括：
第四调整单元，用于通过如下公式调整无线通讯设备的最大配置发射功率：
PCMAX_L≤PCMAX≤PCMAX_H；
Figure PCTCN2017071281-appb-000015
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}；
其中，pEMAX,c为无线资源控制RRC层对无线通讯设备对应的载波下发的功率值；ΔTC为第四功率损失值；PPowerClass为无线通讯设备的功率等级；MPR为第四功率回退值；A-MPR为第五功率回退值；ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPR为第六功率回退值；所述PRegulatory等于所述预设阈值。
结合本发明实施例第二方面的第九种实现方式，在本发明实施例第二方面的第十种实现方式中，
PRegulatory＝PPowerClass-PCR；
PCR为预设设备功率回退值。
结合本发明实施例第二方面的第九种实现方式，在本发明实施例第二方面的第十一种实现方式中，
PRegulatory＝EIRP_PRegulatory-GAnt；
EIRP_PRegulatory为预设设备有效全向辐射功率值，GAnt为无线通讯设备的天线增益。
结合本发明实施例第二方面的第九种实现方式，在本发明实施例第二方面的第十二种实现方式中，
PRegulatory＝PSDRegulatory+10lgBW；
或，
PRegulatory＝EIRP_PSDRegulatory-GAnt+10lg BW；
PSDRegulatory为预设设备功率谱密度值，BW为无线通讯设备占用的带宽，EIRP_PSDRegulatory为预设设备有效全向辐射功率谱密度值。。
结合本发明实施例第二方面，第二方面的第一至第十二种实现方式，在本发明实施例第二方面的第十三种实现方式中，第一条件还包括：无线通讯设备的天线方向与第二无线通讯设备的天线方向之间的角度差值小于或等于第三阈值。
本发明实施例第三方面提供了一种无线通讯设备，包括：输入设备，输出设备，处理器和存储器；
存储器用于存储程序；
处理器用于执行存储器中的程序，具体包括如下步骤：
确定无线通讯设备与第二无线通讯设备之间的距离；
确定第二无线通讯设备的工作频率；
当无线通讯设备确定满足第一条件时，若确定无线通讯设备对应的最大发射功率大于预设阈值，则调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
从以上技术方案可以看出，本发明实施例具有以下优点：
本发明实施例中，当第一无线通讯设备确定满足第一条件时，若第一无线通讯设备对应的最大发射功率大于预设阈值，则对第一无线通讯设备对应的最大发射功率进行调整，使得调整后的最大发射功率小于或等于预设阈值，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。则通过对预设阈值的设定，可以抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰，满足第一条件下第一无线通讯设备与第二无线通讯设备的共存需求。也就是说本方案能够抑制设备之间的干扰，满足多个设备的共存需求。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例。
图1是本发明实施例中确定发射功率的方法的一个实施例流程图；
图2是本发明实施例中无线通讯设备的一个实施例示意图；
图3是本发明实施例中无线通讯设备的另一实施例示意图；
图4是本发明实施例中无线通讯设备的另一实施例示意图；
图5是本发明实施例中无线通讯设备的另一实施例示意图。
具体实施方式
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本发明的实施例例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
应理解，本发明实施例中确定发射功率的方法及无线通讯设备可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)或全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统等。
应理解，在本发明实施例中的通讯设备包括但不限于用户设备(User Equipment，UE)、移动台(Mobile Station，MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、手机(handset)、便携设备(portable equipment)及自动收费设备等，该通讯设备可以经无线接入网(Radio Access Network，)与一个或多个核心网进行通信，例如，通讯设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等，通讯设备还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
本发明实施例提供了一种确定发射功率的方法和无线通讯设备，用于抑制设备之间的干扰，满足多个设备的共存需求。
应理解，本发明实施例中方法和无线通讯设备除了适用于ITS终端与自动收费设备共存的场景，还适用于其他无线通讯设备共存的场景，具体本发明实施例中不作限定。
为了便于理解本发明实施例，下面对本发明实施例中的一些参数进行介绍：
无线接入系统分为三层，其中，层一为物理(Physical，PHY)层，层二为媒体接入控制子(Media Access Control，MAC)层、无线链路控制子层(Radio Link Control，RLC)和分组数据会聚协议子层(Packet Data Convergence Protocol，PDCP)，层三为无线资源控 制(Radio Resource Control，RRC)层。本发明实施例中的RRC层指的就是第一无线通讯设备所接入的无线通信系统中的第三层，PEMAX,c即系统在RRC层的信令中针对第一无线通讯设备对应的某个载波下发的功率值，∑pEMAX,c即系统在RRC层的信令中针对第一无线通讯对应的每个载波下发的功率值之和。
无线通讯设备中包含有射频滤波器，射频滤波器的不平坦会造成功率的损失，第一功率损失值ΔTC,c指的是第一无线通讯设备的射频滤波器的平坦度在目标载波上造成的功率损失，第四功率损失值ΔTC指的是第一无线通讯设备的射频滤波器的平坦度在各个载波上造成的功率损失值中的最大值，关于ΔTC,c和ΔTC的具体定义和取值可以参考3GPP TS36.101，此处不赘述。
第二功率损失值ΔTIB,c和第三功率损失值ΔTProSe指的是为了满足多频段同时发生等需求而新增的滤波器给第一无线通讯设备带来的功率损失，关于ΔTIB,c和ΔTProSe的具体定义和取值可以参考3GPP TS36.101，此处不赘述。
第一功率回退值MPRc指的是目标载波对应的最大功率回退值，第二功率回退值A-MPRc指的是目标载波对应的额外最大功率回退值，第三功率回退值P-MPRc指的是第一无线通讯设备对应的多个无线连接带来的功率共享在目标载波上造成的功率回退，第四功率回退值MPR指的是第一无线通讯设备对应的最大功率回退值，第五功率回退值A-MPR指的是第一无线通讯设备对应的额外最大功率回退值，第六功率回退值P-MPR指的是第一无线通讯设备对应的多个无线连接带来的功率共享在第一无线通讯设备上造成的功率回退，关于MPRc，A-MPRc，P-MPRc，MPR，A-MPR和P-MPR的具体定义可以参考3GPP TS36.101，此处不赘述。
下面先介绍本发明实施例中确定发射功率的方法，请参阅图1，本发明实施例中确定发射功率的方法的一个实施例包括：
101、第一无线通讯设备确定第一无线通讯设备与第二无线通讯设备之间的距离；
第一无线通讯设备与第二无线通讯设备接入无线通信系统后，第一无线通讯设备可以获取第二无线通讯设备的位置，然后根据该位置和自身的位置确定第一无线通讯设备与第二无线通讯设备之间的距离。具体地，第一无线通讯设备可以通过查询数据库确定第二无线通讯设备的位置，可以通过接收到的第二无线通讯设备发出的信号确定第二无线通讯设备的位置，还可以通过其他方式确定第二无线通讯设备的位置，具体此处不作限定。
应理解，第一无线通讯设备确定第一无线通讯设备与第二无线通讯设备之间的距离是动态的过程，该距离应当随着第一无线通讯设备和/或第二无线通讯设备的移动而改变，第一无线通讯设备可以定期或不定期获取该距离。
102、第一无线通讯设备确定第二无线通讯设备的工作频率；
第二无线通讯设备工作在一定的频段，第一无线通讯设备可以通过查询数据库确定第二无线通讯设备的工作频率，也可以通过接收第二无线通讯设备发出的信号确定第二无线通讯设备的工作频率，还可以通过其他方式确定第二无线通讯设备的工作频率，具体此处不作限定。当第一无线通讯设备确定第二无线通讯设备的工作频率后，即可以确定自身的工作频率与第二无线通讯设备的工作频率的差值。
103、第一无线通讯设备调整第一无线通讯设备对应的最大发射功率。
确定第一无线通讯设备与第二无线通讯设备之间的距离，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值，第一无线通讯设备即可确定是否满足第一条件，该第一条件包括：该距离小于或等于第一阈值，该差值小于或等于第二阈值，当第一无线通讯设备确定满足该第一条件时，第一无线通讯设备判断第一无线通讯设备对应的最大发射功率是否大于预设阈值，若大于，则第一无线通讯设备调整该最大发射功率，使得调整后的最大发射功率小于或等于该预设阈值，
应理解，第一阈值及第二阈值是基于第一无线通讯设备与第二无线通讯设备之间产生干扰的条件设定，即当第一无线通讯设备与第二无线通讯设备满足第一条件时，第一无线通讯设备与第二无线通讯设备之间会产生干扰，其具体数值可以通过测试或其他方式确定。而预设阈值则用于在该第一条件下，抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰。
本发明实施例中，当第一无线通讯设备确定满足第一条件时，若第一无线通讯设备对应的最大发射功率大于预设阈值，则对第一无线通讯设备对应的最大发射功率进行调整，使得调整后的最大发射功率小于或等于预设阈值，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。则通过对预设阈值的设定，可以抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰，满足第一条件下第一无线通讯设备与第二无线通讯设备的共存需求。也就是说本方案能够抑制设备之间的干扰，满足多个设备的共存需求。
基于上述图1对应的实施例，第一条件除了可以包括距离小于或等于第一阈值以及工作频率差值小于或等于第二阈值，还可以包括角度差值小于或等于第三阈值，角度差值指的是第一无线通讯设备与第二无线通讯设备的天线方向之间的角度的差值，该第三阈值也是基于第一无线通讯设备与第二无线通讯设备之间产生干扰的条件设定的。
基于上述图1对应的实施例，第一无线通讯设备对应的最大发射功率可以是第一无线通讯设备的载波的最大配置发射功率，可以是第一无线通讯设备的最大配置发射功率，还可以是第一无线通讯设备对应的基于其他原因限定的最大发射功率。下面分别对第一无线通讯设备对应的最大发射功率为载波的最大配置发射功率，和第一无线通讯设备对应的最大发射功率为设备的最大配置发射功率这两种情况进行介绍。
一、第一无线通讯设备对应的最大发射功率为载波的最大配置发射功率。
方式1、在RRC层调整PEMAX,c的值。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应的最大发射功率为第一无线通讯设备的载波的最大配置发射功率PCMAX,c，第一无线通讯设备通过如下方式调整第一无线通讯设备对应的最大发射功率：
对于第一无线通讯设备对应的任意一个载波，即目标载波，第一无线通讯设备通过如下(1)至(3)调整目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (1)；
Figure PCTCN2017071281-appb-000016
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}   (3)；
应理解，PEMAX,c为RRC层对目标载波下发的功率值，RRC层一般是基于运营商的设定或其他原因设定该功率值，而在本发明实施例中，在RRC层，会将该基于运营商或其他原因设定PEMAX,c的值与预设阈值作比较，当该值大于预设阈值时，则在RRC层将该PEMAX,c的值调整为预设阈值后，再通过信令下发给第一无线通讯设备，此时第一无线通讯设备根据上述公式(1)至(3)确定目标载波的最大配置发射功率，即可使得目标载波的最大配置发射功率小于或等于预设阈值。
还应理解，当该基于运营商或其他原因设定PEMAX,c的值小于预设阈值时，则说明原来的通过3GPP TS36.101定义的该目标载波的最大配置发射功率不小于预设阈值，则第一无线通讯设备无需调整该目标载波的最大配置发射功率，RRC层直接将该值通过信令下发给第一无线通讯设备，第一无线通讯设备再根据上述公式(1)至(3)确定该目标载波的最大配置发射功率。
本发明实施例提供了一种调整第一无线通讯设备的载波的最大配置发射功率的具体方式，提高了方案的可实现性。
方式2、定义一个新的功率量。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应的最大发射功率为第一无线通讯设备的载波的最大配置发射功率PCMAX,c，第一无线通讯设备通过如下方式调整第一无线通讯设备对应的最大发射功率：
对于第一无线通讯设备对应的任意一个载波，即目标载波，第一无线通讯设备通过如下公式(4)至(6)调整该目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (4)；
Figure PCTCN2017071281-appb-000017
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}   (6)；
应理解，PRegulatory,c为新定义的一个功率量，PRegulatory,c等于预设阈值。
还应理解，上述公式(4)至(6)除了适用于目标载波的最大配置发射功率小于预设阈值的情况，同样也可以适用于目标载波的最大配置发射功率大于预设阈值的情况。
还应理解，上述公式(5)和(6)中，可以直接将PRegulatory,c设定为预设阈值，也可以将PRegulatory,c替换成如下公式：
PPowerClass-PCRc   (7)；
其中PCRc为预设载波功率回退值，该预设载波功率回退值基于预设阈值和PPowerClass的 值设定，在不同场景下对应不同的值。
PRegulatory,c还可以替换成如下公式：
EIRP_PRegulatory,c-GAnt   (8)；
其中，EIRP_PRegulatory,c为预设载波有效全向辐射功率值，GAnt为第一无线通讯设备对应的天线增益。应理解，预设载波有效全向辐射功率值是由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对载波的有效全向辐射功率的限制来设定的，也可以基于其他因素设定，具体此处不作限定。此时，预设阈值等于该预设载波有效全向辐射功率值减去第一无线通讯设备对应的天线增益。
PRegulatory,c还可以替换成如下公式：
PRegulatory,c＝PSDRegulatory,c+10lgBW   (9)；
其中，PSDRegulatory,c为预设载波功率谱密度值，BW为目标载波占用的带宽。应理解，预设载波功率谱密度值是由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对载波的功率谱密度的限制来设定的，也可以基于其他因素设定，具体此处不作限定。此时，预设阈值等于该PSDRegulatory,c+10lg BW。
PRegulatory,c还可以替换成如下公式：
PRegulatory,c＝EIRP_PSDRegulatory,c-GAnt+10lg BW   (10)；
其中，EIRP_PSDRegulatory,c为预设载波有效全向辐射功率谱密度值，BW为目标载波占用的带宽，GAnt为第一无线通讯设备对应的天线增益。应理解，预设载波有效全向功率谱密度值由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对载波的有效全向辐射功率谱密度的限制来设定，也可以基于其他因素设定，具体此处不作限定。
本发明实施例提供了多种调整第一无线通讯设备的载波的最大配置发射功率的具体方式，提高了方案的灵活性。
方式3、定义多个新的功率量。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应的最大发射功率为第一无线通讯设备的载波的最大配置发射功率PCMAX,c，第一无线通讯设备通过如下方式调整第一无线通讯设备对应的最大发射功率：
对于第一无线通讯设备对应的任意一个载波，即目标载波，第一无线通讯设备通过如下公式(11)至(13)调整该目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (11)；
Figure PCTCN2017071281-appb-000018
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c,PSDRegulatory,c+10lg BW}   (13)；
其中PRegulatory,c为预设阈值，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对载波的配置发射功率的限制来设定的，PSDRegulatory,c为预设载波功率谱密 度值，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对载波的功率谱密度的限制来设定的，也可以基于其他因素设定，具体此处不作限定。则第一无线通讯设备通过上述公式(11)至(13)确定目标载波的最大配置发射功率，可以同时满足第一无线通讯设备与第二无线通讯设备共存时，对载波的功率谱密度和载波的配置发射功率的限定。
除了同时对载波的功率谱密度以及载波的配置发射功率的限定，也可以同时对载波的有效全向辐射功率以及，载波的配置发射功率进行限定，具体地，第一无线通讯设备通过如下公式(14)至(16)调整该目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (14)；
Figure PCTCN2017071281-appb-000019
PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c,EIRP_PRegulatory,c-GAnt}   (16)；
其中PRegulatory,c为预设阈值，EIRP_PRegulatory,c为预设载波有效全向辐射功率值。
还可以同时对载波的有效全向辐射功率以及载波的功率谱密度进行限定，具体地，第一无线通讯设备通过如下公式(17)至(19)调整该目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (17)；
Figure PCTCN2017071281-appb-000020
Figure PCTCN2017071281-appb-000021
其中PSDRegulatory,c为预设载波功率谱密度值，EIRP_PRegulatory,c为预设载波有效全向辐射功率值，此时预设阈值等于PSDRegulatory,c+10lgBW与EIRP_PRegulatory,c-GAnt之间的最小值。
还可以同时对载波的有效全向辐射功率，载波的配置发射功率以及载波的功率谱密度这三个参数进行限定，具体地，第一无线通讯设备通过如下公式(20)至(22)调整该目标载波的最大配置发射功率PCMAX,c：
PCMAX_L,c≤PCMAX,c≤PCMAX_H,c   (20)；
Figure PCTCN2017071281-appb-000022
Figure PCTCN2017071281-appb-000023
其中EIRP_PRegulatory,c为预设载波有效全向辐射功率值，PSDRegulatory,c为预设载波功率谱密度值，PRegulatory,c为预设阈值。
应理解，除了上述列举的几种情况，本申请还可以同时对载波的配置发射功率，载波的功率谱密度，载波的有效全向辐射功率，载波的有效全向辐射功率谱密度这四个参数中的两个或两个以上的参数进行限定，此处不再一一列举其对应的公式。还应理解，上述公式(11)至(13)，(14)至(16)，(17)至(19)以及(20)至(22)除了适用于目标载波的最大配置发射功率小于预设阈值的情况，同样也可以适用于目标载波的最大配置发射功率大于预设阈值的情况。
本发明实施例定义多个新的功率量，可以同时满足第一无线通讯设备与第二无线通讯设备共存时，对第一无线通讯设备的载波的多个参数进行限定。
二、第一无线通讯设备对应的最大发射功率为设备的最大配置发射功率。
方式1、在RRC层调整pEMAX,c的值。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应的最大发射功率为第一无线通讯设备的最大配置发射功率PCMAX，第一无线通讯设备通过如下公式(23)至(25)调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H(23)；
Figure PCTCN2017071281-appb-000024
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}   (25)；
应理解，∑pEMAX,c为系统在RRC层的信令中针对第一无线通讯对应的每个载波下发的功率值之和，RRC层一般是基于运营商的设定或其他原因设定该每个载波的功率值的，而在本发明实施例中，在RRC层，会根据该基于运营商或其他原因设定的各个载波的功率值计算出10log10∑pEMAX,c的值，并将该值与预设阈值作比较，当该值大于预设阈值时，则在RRC层对各个载波的功率值进行调整，使得10log10∑pEMAX,c等于预设阈值后，再通过信令下发每个载波的功率值，此时第一无线通讯设备根据上述公式(23)至(25)确定第一无线通讯设备的最大配置发射功率，即可使得第一无线通讯设备的最大配置发射功率小于或等于预设阈值。
本发明实施例提供了一种调整第一无线通讯设备的最大配置发射功率的具体方式，提高了方案的可实现性。
方式2、定义一个新的功率量。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应的最大发射功率为第一无线通讯设备的最大配置发射功率PCMAX，第一无线通讯设备通过如下公式(26)至(28)调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H   (26)；
Figure PCTCN2017071281-appb-000025
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}   (28)；
应理解，PRegulatory为新定义的一个功率量，PRegulatory等于预设阈值。
还应理解，上述公式(26)至(27)除了适用于第一无线通讯设备的最大配置发射功率小于预设阈值的情况，同样也可以适用于第一无线通讯设备的最大配置发射功率大于预设阈值的情况。
还应理解，上述公式(27)和(28)中，可以直接将PRegulatory设定为预设阈值，也可以将PRegulatory替换成如下公式：
PRegulatory＝PPowerClass-PCR   (29)；
其中PCR为预设设备功率回退值，该预设设备功率回退值基于预设阈值和PPowerClass的值设定，在不同场景下对应不同的值。
PRegulatory还可以替换成如下公式：
PRegulatory＝EIRP_PRegulatory-GAnt   (230)；
其中，EIRP_PRegulatory为预设设备有效全向辐射功率值，GAnt为第一无线通讯设备对应的天线增益。应理解，预设设备有效全向辐射功率值是由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对第一无线通讯设备的有效全向辐射功率的限制来设定的，也可以基于其他因素设定，具体此处不作限定。此时，预设阈值等于该预设设备有效全向辐射功率值减去第一无线通讯设备对应的天线增益。
PRegulatory还可以替换成如下公式：
PRegulatory＝PSDRegulatory+10lgBW   (31)；
其中，PSDRegulatory为预设设备功率谱密度值，BW为第一无线通讯设备占用的带宽。应理解，预设设备功率谱密度值是由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对第一无线通讯设备的功率谱密度的限制来设定的，也可以基于其他因素设定，具体此处不作限定。此时，预设阈值等于该PSDRegulatory+10lgBW。
PRegulatory还可以替换成如下公式：
PRegulatory＝EIRP_PSDRegulatory-GAnt+10lgBW   (32)；
其中，EIRP_PSDRegulatory为预设设备有效全向辐射功率谱密度值，BW为第一无线通讯设备占用的带宽，GAnt为第一无线通讯设备对应的天线增益。应理解，预设设备有效全向功率谱密度值由用户或系统设定，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对设备的有效全向辐射功率谱密度的限制来设定，也可以基于其他因素设定，具体此处不作限定。本发明实施例提供了多种调整第一无线通讯设备的最大配置发射功率的具体方式，提高了方案的灵活性。
方式3、定义多个新的功率量。
在本发明实施例提供的确定发射功率的方法的另一实施例中，第一无线通讯设备对应 的最大发射功率为第一无线通讯设备的最大配置发射功率PCMAX，第一无线通讯设备通过如下公式(33)至(35)调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H   (33)；
Figure PCTCN2017071281-appb-000026
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory,PSDRegulatory+10lgBW}   (35)；
其中PRegulatory为预设阈值，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对第一无线通讯设备的配置发射功率的限制来设定的，PSDRegulatory为预设设备功率谱密度值，具体可以基于第一条件下，第一无线通讯设备与第二无线通讯设备的共存对设备的功率谱密度的限制来设定的，也可以基于其他因素设定，具体此处不作限定。则第一无线通讯设备通过上述公式(33)至(35)确定第一无线通讯设备的最大配置发射功率，可以同时满足第一无线通讯设备与第二无线通讯设备共存时，对第一无线通讯设备的功率谱密度和第一无线通讯设备的配置发射功率的限定。
除了同时对第一无线通讯设备的功率谱密度以及第一无线通讯设备的配置发射功率的限定，也可以同时对第一无线通讯设备的有效全向辐射功率以及，第一无线通讯设备的配置发射功率进行限定，具体地，第一无线通讯设备通过如下公式(36)至(38)调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H   (36)；
Figure PCTCN2017071281-appb-000027
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory,EIRP_PRegulatory-GAnt}   (38)；
其中PRegulatory,c为预设阈值，EIRP_PRegulatory为预设设备有效全向辐射功率值。
还可以同时对第一无限通讯设备的有效全向辐射功率以及第一无线通讯设备的功率谱密度进行限定，具体地，第一无线通讯设备通过如下公式(39)至(41)调整第一无线通讯设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H   (39)；
Figure PCTCN2017071281-appb-000028
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,EIRP_PRegulatory-GAnt,PSDRegulatory+10lgBW}(41)；
其中PSDRegulatory为预设设备功率谱密度值，EIRP_PRegulatory为预设设备有效全向辐射功率值，此时预设阈值等于PSDRegulatory+10lgBW与EIRP_PRegulatory-GAnt之间的最小值。
还可以同时对第一无线通讯设备的有效全向辐射功率，第一无线通讯设备的配置发射功率以及第一无线通讯设备的功率谱密度这三个参数进行限定，具体地，第一无线通讯设备通过如下公式(42)至(44)调整该设备的最大配置发射功率PCMAX：
PCMAX_L≤PCMAX≤PCMAX_H   (42)；
Figure PCTCN2017071281-appb-000029
PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory,EIRP_PRegulatory-GAnt,PSDRegulatory+10lgBW}(44)；
其中PSDRegulatory为预设设备功率谱密度值，EIRP_PRegulatory为预设设备有效全向辐射功率值，PRegulatory为预设阈值。
应理解，除了上述列举的几种情况，本申请还可以同时对设备的配置发射功率，设备的功率谱密度，设备的有效全向辐射功率，设备的有效全向辐射功率谱密度这四个参数中的两个或两个以上的参数进行限定，此处不再一一列举其对应的公式。
还应理解，上述公式(33)至(35)，(36)至(38)，(39)至(41)以及(42)至(44)除了适用于第一无线通讯设备的最大配置发射功率小于预设阈值的情况，同样也可以适用于第一无线通讯设备的最大配置发射功率大于预设阈值的情况。
本发明实施例定义多个新的功率量，可以同时满足第一无线通讯设备与第二无线通讯设备共存时，对第一无线通讯设备的多个参数进行限定。
上面介绍了本发明实施例中的确定发射功率的方法，下面介绍本发明实施例中的无线通讯设备，请参阅图2，本发明实施例中无线通讯设备的一个实施例包括：
第一确定模块201，用于确定该无线通讯设备与第二无线通讯设备之间的距离；
第二确定模块202，用于确定第二无线通讯设备的工作频率；
调整模块203，用于当确定满足第一条件且确定无线通讯设备对应的最大发射功率大于预设阈值时，调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
本发明实施例中，当无线通讯设备确定满足第一条件时，若无线通讯设备对应的最大发射功率大于预设阈值，则调整模块203对第一无线通讯设备对应的最大发射功率进行调整，使得调整后的最大发射功率小于或等于预设阈值，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。则通过对预设阈值的设定，可以抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰，满足第一条件下第一无线通讯设备与第二无线通讯设备的共存需求。也就是说本方案能够抑制设备之间的干扰，满足多个设备的共存需求。
基于上述图2对应的实施例，无线通讯设备对应的最大发射功率可以是无线通讯设备 的载波的最大配置发射功率，可以是无线通讯设备的最大配置发射功率，还可以是无线通讯设备对应的基于其他原因限定的最大发射功率。下面分别对无线通讯设备对应的最大发射功率为载波的最大配置发射功率，和无线通讯设备对应的最大发射功率为设备的最大配置发射功率这两种情况进行介绍。
一、无线通讯设备对应的最大发射功率为载波的最大配置发射功率PEMAX,c。
请参阅图3，本发明实施例中无线通讯设备的另一实施例包括：
第一确定模块301，用于确定该无线通讯设备与第二无线通讯设备之间的距离；
第二确定模块302，用于确定第二无线通讯设备的工作频率；
调整模块303，用于当确定满足第一条件且确定无线通讯设备对应的最大发射功率大于预设阈值时，调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
应理解，本发明实施例中，无线通讯设备对应的最大发射功率包括：无线通讯设备的载波的最大配置发射功率。另外在本发明实施例中，第一条件还可以包括无线通讯设备的天线方向与第二无线通讯设备的天线方向的角度差值小于或等于第三阈值，或其他条件，具体本发明实施例中不作限定。
还应理解本发明实施例中，调整模块303可以包括：
第一调整单元3031，用于通过上述公式(1)至(3)调整无线通讯设备的目标载波的最大配置发射功率PCMAX,c。
或，
第二调整单元3032，用于通过上述公式(4)至(6)调整无线通讯设备的目标载波的最大配置发射功率PCMAX,c。
具体地，上述公式(5)和(6)中的PRegulatory,c还可以替换成上述公式(7)，(8)，(9)或(10)。
本发明实施例中，当无线通讯设备确定满足第一条件时，若无线通讯设备对应的最大发射功率大于预设阈值，则调整模块303对第一无线通讯设备对应的最大发射功率进行调整，使得调整后的最大发射功率小于或等于预设阈值，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。则通过对预设阈值的设定，可以抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰，满足第一条件下第一无线通讯设备与第二无线通讯设备的共存需求。也就是说本方案能够抑制设备之间的干扰，满足多个设备的共存需求。
其次，本发明实施例中无线通讯设备对应的最大发射功率包括载波的最大配置发射功率，且本发明实施例提供了多种调整该载波的最大配置发射功率的方式，提高了方案的灵活性。
二、无线通讯设备对应的最大发射功率为设备的最大配置发射功率PCMAX。
请参阅图4，本发明实施例中无线通讯设备的另一实施例包括：
第一确定模块401，用于确定该无线通讯设备与第二无线通讯设备之间的距离；
第二确定模块402，用于确定第二无线通讯设备的工作频率；
调整模块403，用于当确定满足第一条件且确定无线通讯设备对应的最大发射功率大于预设阈值时，调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
应理解，本发明实施例中，无线通讯设备对应的最大发射功率包括：该无线通讯设备的最大配置发射功率。另外，在本发明实施例中，第一条件还可以包括无线通讯设备的天线方向与第二无线通讯设备的天线方向的角度差值小于或等于第三阈值或其他条件，具体本发明实施例中不作限定。
还应理解本发明实施例中，调整模块403可以包括：
第三调整单元4031，用于通过上述公式(23)至(25)调整无线通讯设备的最大配置发射功率PCMAX；
或，
第四调整单元4032，用于通过上述公式(26)至(28)调整无线通讯设备的最大配置发射功率PCMAX；
具体地，上述公式(27)和(28)中的PRegulatory替换成上述公式(29)，(30)，(31)或(32)。
本发明实施例中，当无线通讯设备确定满足第一条件时，若无线通讯设备对应的最大发射功率大于预设阈值，则调整模块403对第一无线通讯设备对应的最大发射功率进行调整，使得调整后的最大发射功率小于或等于预设阈值，其中，第一条件包括：第一无线通讯设备与第二无线通讯设备之间的距离小于或等于第一阈值，以及第一无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。则通过对预设阈值的设定，可以抑制第一无线通讯设备对第二无线通讯设备的接收性能的干扰，满足第一条件下第一无线通讯设备与第二无线通讯设备的共存需求。也就是说本方案能够抑制设备之间的干扰，满足多个设备的共存需求。
其次，本发明实施例中无线通讯设备对应的最大发射功率包括设备的最大配置发射功率，且本发明实施例提供了多种调整该无线通讯设备的最大配置发射功率的方式，提高了方案的灵活性
上面从模块化的角度对本发明实施例中的无线通讯设备进行了介绍，下面从实体硬件的角度介绍本发明实施例中的无线通讯设备，请参阅图5，图5是本发明实施例无线通讯设备50的结构示意图。无线通讯设备50可包括输入设备510、输出设备520、处理器530和存储器540。
存储器540可以包括只读存储器和随机存取存储器，并向处理器530提供指令和数据。存储器540的一部分还可以包括非易失性随机存取存储器(Non-Volatile Random Access  Memory，NVRAM)。
存储器540存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集:
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
本发明实施例中处理器530用于：
确定无线通讯设备与第二无线通讯设备之间的距离；
确定第二无线通讯设备的工作频率；
当无线通讯设备确定满足第一条件时，若确定无线通讯设备对应的最大发射功率大于预设阈值，则调整最大发射功率，使得调整后的最大发射功率等于或小于预设阈值，预设阈值用于在第一条件下，抑制无线通讯设备对第二无线通讯设备的接收性能的干扰；
其中，第一条件包括：距离小于或等于第一阈值，以及无线通讯设备的工作频率与第二无线通讯设备的工作频率的差值小于或等于第二阈值。
处理器530控制无线通讯设备50的操作，处理器530还可以称为中央处理单元(Central Processing Unit，CPU)。存储器540可以包括只读存储器和随机存取存储器，并向处理器530提供指令和数据。存储器540的一部分还可以包括NVRAM。具体的应用中，无线通讯设备50的各个组件通过总线系统550耦合在一起，其中总线系统550除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统550。
上述本发明实施例揭示的方法可以应用于处理器530中，或者由处理器530实现。处理器530可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器530中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器530可以是通用处理器、数字信号处理器(Digital Signal Processing，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field－Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器540，处理器530读取存储器540中的信息，结合其硬件完成上述方法的步骤。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显 示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (29)

  1. 一种确定发射功率的方法，其特征在于，包括：
    第一无线通讯设备确定所述第一无线通讯设备与第二无线通讯设备之间的距离；
    所述第一无线通讯设备确定所述第二无线通讯设备的工作频率；
    所述第一无线通讯设备确定满足第一条件时，若确定所述第一无线通讯设备对应的最大发射功率大于预设阈值，则调整所述最大发射功率，使得所述调整后的所述最大发射功率等于或小于所述预设阈值，所述预设阈值用于在所述第一条件下，抑制所述第一无线通讯设备对所述第二无线通讯设备的接收性能的干扰；
    其中，所述第一条件包括：所述距离小于或等于第一阈值，以及所述第一无线通讯设备的工作频率与所述第二无线通讯设备的工作频率的差值小于或等于第二阈值。
  2. 根据权利要求1所述的方法，其特征在于，所述第一无线通讯设备对应的最大发射功率包括：所述第一无线通讯设备的载波的最大配置发射功率PCMAX,c。
  3. 根据权利要求2所述的方法，其特征在于，所述第一无线通讯设备调整所述最大发射功率包括：
    所述第一无线通讯设备通过如下公式调整所述第一无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
    PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
    Figure PCTCN2017071281-appb-100001
    PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
    其中，所述PEMAX,c为无线资源控制RRC层对所述目标载波下发的功率值，所述PEMAX,c等于所述预设阈值；所述ΔTC,c为第一功率损失值；所述PPowerClass为所述第一无线通讯设备的功率等级；所述MPRc为第一功率回退值；所述A-MPRc为第二功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPRc为第三功率回退值。
  4. 根据权利要求2所述的方法，其特征在于，所述第一无线通讯设备调整所述最大发射功率包括：
    所述第一无线通讯设备通过如下公式调整所述第一无线通讯设备的目标载波的最大配置发射功率PEMAX,c：
    PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
    Figure PCTCN2017071281-appb-100002
    PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}；
    其中，所述PEMAX,c为无线资源控制RRC层对所述目标载波下发的功率值；所述ΔTC,c为第一功率损失值；所述PPowerClass为所述第一无线通讯设备的功率等级；所述MPRc为第一功率回退值；所述A-MPRc为第二功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPRc为第三功率回退值；所述PRegulatory,c等于所述预设阈值。
  5. 根据权利要求4所述的方法，其特征在于，
    所述PRegulatory,c＝PPowerClass-PCRc；
    所述PCRc为预设载波功率回退值。
  6. 根据权利要求4所述的方法，其特征在于，
    所述PRegulatory,c＝EIRP_PRegulatory,c-GAnt；
    所述EIRP_PRegulatory,c为预设载波有效全向辐射功率值，所述GAnt为所述第一无线通讯设备的天线增益。
  7. 根据权利要求4所述的方法，其特征在于，
    所述PRegulatory,c＝PSDRegulatory,c+10lg BW；
    所述PSDRegulatory,c为预设载波功率谱密度值，所述BW为所述目标载波占用的带宽。
  8. 根据权利要求1所述的方法，其特征在于，所述第一无线通讯设备对应的最大发射功率包括：所述第一无线通讯设备的最大配置发射功率PCMAX。
  9. 根据权利要求8所述的方法，其特征在于，所述第一无线通讯设备调整所述最大发射功率包括：
    所述第一无线通讯设备通过如下公式调整所述第一无线通讯设备的最大配置发射功率PCMAX：
    PCMAX_L≤PCMAX≤PCMAX_H；
    Figure PCTCN2017071281-appb-100003
    PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}；
    其中，所述pEMAX,c为无线资源控制RRC对所述第一无线通讯设备对应的载波下发的功率值，所述10log10∑pEMAX,c等于所述预设阈值；所述ΔTC为第四功率损失值；所述PPowerClass为所述第一无线通讯设备的功率等级；所述MPR为第四功率回退值；所述A-MPR为第五功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPR为第六功率回退值。
  10. 根据权利要求8所述的方法，其特征在于，所述第一无线通讯设备调整所述最大发射功率包括：
    所述第一无线通讯设备通过如下公式调整所述第一无线通讯设备的最大配置发射功率PCMAX：
    PCMAX_L≤PCMAX≤PCMAX_H；
    Figure PCTCN2017071281-appb-100004
    PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}；
    其中，所述pEMAX,c为无线资源控制RRC层对所述第一无线通讯设备对应的载波下发的功率值；所述ΔTC为第四功率损失值；所述PPowerClass为所述第一无线通讯设备的功率等级；所述MPR为第四功率回退值；所述A-MPR为第五功率回退值；所述ΔTIB,c为第二功率损失 值；所述ΔTProSe为第三功率损失值；所述P-MPR为第六功率回退值；所述PRegulatory等于所述预设阈值。
  11. 根据权利要求10所述的方法，其特征在于，
    所述PRegulatory＝PPowerClass-PCR；
    所述PCR为预设设备功率回退值。
  12. 根据权利要求10所述的方法，其特征在于，
    所述PRegulatory＝EIRP_PRegulatory-GAnt；
    所述EIRP_PRegulatory为预设设备有效全向辐射功率值，所述GAnt为所述第一无线通讯设备的天线增益。
  13. 根据权利要求10所述的方法，其特征在于，
    所述PRegulatory＝PSDRegulatory+10lg BW；
    所述PSDRegulatory为预设设备功率谱密度值，所述BW为所述第一无线通讯设备占用的带宽。
  14. 根据权利要求1至13任一项所述的方法，其特征在于，所述第一条件还包括：所述第一无线通讯设备的天线方向与所述第二无线通讯设备的天线方向之间的角度差值小于或等于第三阈值。
  15. 一种无线通讯设备，其特征在于，包括：
    第一确定模块，用于确定所述无线通讯设备与第二无线通讯设备之间的距离；
    第二确定模块，用于确定所述第二无线通讯设备的工作频率；
    调整模块，用于确定满足第一条件且确定所述无线通讯设备对应的最大发射功率大于预设阈值时，调整所述最大发射功率，使得所述调整后的所述最大发射功率等于或小于所述预设阈值，所述预设阈值用于在所述第一条件下，抑制所述无线通讯设备对所述第二无线通讯设备的接收性能的干扰；
    其中，所述第一条件包括：所述距离小于或等于第一阈值，以及所述无线通讯设备的工作频率与所述第二无线通讯设备的工作频率的差值小于或等于第二阈值。
  16. 根据权利要求15所述的无线通讯设备，其特征在于，所述无线通讯设备对应的最大发射功率包括：所述无线通讯设备的载波的最大配置发射功率PCMAX,c。
  17. 根据权利要求16所述的无线通讯设备，其特征在于，所述调整模块包括：
    第一调整单元，用于通过如下公式调整所述无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
    PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
    Figure PCTCN2017071281-appb-100005
    PCMAX_H,c＝MIN{PEMAX,c,PPowerClass}；
    其中，所述PEMAX,c为无线资源控制RRC层对所述目标载波下发的功率值，所述PEMAX,c等于所述预设阈值；所述ΔTC,c为第一功率损失值；所述PPowerClass为所述无线通讯设备的功率等级；所述MPRc为第一功率回退值；所述A-MPRc为第二功率回退值；所述ΔTIB,c为第 二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPRc为第三功率回退值。
  18. 根据权利要求16所述的无线通讯设备，其特征在于，所述调整模块包括：
    第二调整单元，用于通过如下公式调整所述无线通讯设备的目标载波的最大配置发射功率PCMAX,c：
    PCMAX_L,c≤PCMAX,c≤PCMAX_H,c；
    Figure PCTCN2017071281-appb-100006
    PCMAX_H,c＝MIN{PEMAX,c,PPowerClass,PRegulatory,c}；
    其中，所述PEMAX,c为无线资源控制RRC层对所述目标载波下发的功率值；所述ΔTC,c为第一功率损失值；所述PPowerClass为所述无线通讯设备的功率等级；所述MPRc为第一功率回退值；所述A-MPRc为第二功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPRc为第三功率回退值；所述PRegulatory,c等于所述预设阈值。
  19. 根据权利要求18所述的无线通讯设备，其特征在于，
    所述PRegulatory,c＝PPowerClass-PCRc；
    所述PCRc为预设载波功率回退值。
  20. 根据权利要求18所述的无线通讯设备，其特征在于，
    所述PRegulatory,c＝EIRP_PRegulatory,c-GAnt；
    所述EIRP_PRegulatory,c为预设载波有效全向辐射功率值，所述GAnt为所述无线通讯设备的天线增益。
  21. 根据权利要求18所述的无线通讯设备，其特征在于，
    所述PRegulatory,c＝PSDRegulatory,c+10lg BW；
    所述PSDRegulatory,c为预设载波功率谱密度值，所述BW为所述目标载波占用的带宽。
  22. 根据权利要求18所述的无线通讯设备，其特征在于，所述无线通讯设备对应的最大发射功率包括：所述无线通讯设备的最大配置发射功率PCMAX。
  23. 根据权利要求22所述无线通讯设备，其特征在于，所述调整模块包括：
    第三调整单元，用于通过如下公式调整所述无线通讯设备的最大配置发射功率PCMAX：
    PCMAX_L≤PCMAX≤PCMAX_H；
    Figure PCTCN2017071281-appb-100007
    PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass}；
    其中，所述pEMAX,c为无线资源控制RRC对所述无线通讯设备对应的载波下发的功率值，所述10log10∑pEMAX,c等于所述预设阈值；所述ΔTC为第四功率损失值；所述PPowerClass为所述无线通讯设备的功率等级；所述MPR为第四功率回退值；所述A-MPR为第五功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPR为第六功率回退值。
  24. 根据权利要求22所述的无线通讯设备，其特征在于，所述调整模块包括：
    第四调整单元，用于通过如下公式调整所述无线通讯设备的最大配置发射功率：
    PCMAX_L≤PCMAX≤PCMAX_H；
    Figure PCTCN2017071281-appb-100008
    PCMAX_H＝MIN{10log10∑pEMAX,c,PPowerClass,PRegulatory}；
    其中，所述pEMAX,c为无线资源控制RRC层对所述无线通讯设备对应的载波下发的功率值；所述ΔTC为第四功率损失值；所述PPowerClass为所述无线通讯设备的功率等级；所述MPR为第四功率回退值；所述A-MPR为第五功率回退值；所述ΔTIB,c为第二功率损失值；所述ΔTProSe为第三功率损失值；所述P-MPR为第六功率回退值；所述PRegulatory等于所述预设阈值。
  25. 根据权利要求24所述的无线通讯设备，其特征在于，
    所述PRegulatory＝PPowerClass-PCR；
    所述PCR为预设设备功率回退值。
  26. 根据权利要求24所述的无线通讯设备，其特征在于，
    所述PRegulatory＝EIRP_PRegulatory-GAnt；
    所述EIRP_PRegulatory为预设设备有效全向辐射功率值，所述GAnt为所述无线通讯设备的天线增益。
  27. 根据权利要求24所述的无线通讯设备，其特征在于，
    所述PRegulatory＝PSDRegulatory+10lg BW；
    所述PSDRegulatory为预设设备功率谱密度值，所述BW为所述无线通讯设备占用的带宽。
  28. 根据权利要求15至27任一项所述的无线通讯设备，其特征在于，所述第一条件还包括：所述无线通讯设备的天线方向与所述第二无线通讯设备的天线方向之间的角度差值小于或等于第三阈值。
  29. 一种无线通讯设备，其特征在于，包括：输入设备，输出设备，处理器和存储器；
    所述存储器用于存储程序；
    所述处理器用于执行所述存储器中的程序，具体包括如下步骤：
    确定所述无线通讯设备与第二无线通讯设备之间的距离；
    确定所述第二无线通讯设备的工作频率；
    当所述无线通讯设备确定满足第一条件时，若确定所述无线通讯设备对应的最大发射功率大于预设阈值，则调整所述最大发射功率，使得所述调整后的所述最大发射功率等于或小于所述预设阈值，所述预设阈值用于在所述第一条件下，抑制所述无线通讯设备对所述第二无线通讯设备的接收性能的干扰；
    其中，所述第一条件包括：所述距离小于或等于第一阈值，以及所述无线通讯设备的工作频率与所述第二无线通讯设备的工作频率的差值小于或等于第二阈值。
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