WO2023050346A1 - 能量检测门限的确定方法、装置、设备及存储介质 - Google Patents

能量检测门限的确定方法、装置、设备及存储介质 Download PDF

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Publication number
WO2023050346A1
WO2023050346A1 PCT/CN2021/122264 CN2021122264W WO2023050346A1 WO 2023050346 A1 WO2023050346 A1 WO 2023050346A1 CN 2021122264 W CN2021122264 W CN 2021122264W WO 2023050346 A1 WO2023050346 A1 WO 2023050346A1
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WIPO (PCT)
Prior art keywords
adjustment amount
edt
monitoring
listening
transmitting
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PCT/CN2021/122264
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English (en)
French (fr)
Inventor
赵楠德
马东俊
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202180099023.0A priority Critical patent/CN117441366A/zh
Priority to PCT/CN2021/122264 priority patent/WO2023050346A1/zh
Publication of WO2023050346A1 publication Critical patent/WO2023050346A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present application relates to the field of communication technology, and in particular to a method, device, equipment and storage medium for determining an energy detection threshold.
  • the communication device needs to determine the Energy Detection Threshold (EDT).
  • EDT Energy Detection Threshold
  • the determination of the EDT usually only considers the transmission beam. For example, the value of the EDT is determined according to radio frequency (Radio Frequency, RF) transmission power and radio frequency transmission power limitation.
  • RF Radio Frequency
  • the embodiment of the present application provides a method, device, device, and storage medium for determining an energy detection threshold.
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • the technical solution is as follows:
  • a method for determining an energy detection threshold is provided, which is applied to a communication device, and the method includes:
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • a communication device for an energy detection threshold includes:
  • a determining module configured to determine an energy detection threshold EDT
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • a network device includes a processor
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • a terminal device includes a processor
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor, so as to implement the method for determining the energy detection threshold as described above.
  • a chip includes a programmable logic circuit and/or program instructions for implementing the method for determining the energy detection threshold as described above when the chip is running.
  • a computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads and executes the instruction from the computer-readable storage medium. Execute computer instructions to implement the method for determining the energy detection threshold as described above.
  • the embodiment of the present application provides a method for determining the EDT, which considers the influence of different influencing factors on the value of the EDT.
  • the EDT can be determined according to the monitoring beam and the transmitting beam, and the influence of the gap between the monitoring beam and the transmitting beam on the value of the EDT can be considered; or, the EDT can be determined according to the monitoring beam, and the influence of the monitoring beam on the value of the EDT can be considered.
  • FIG. 1 is a flowchart of a method for determining an energy detection threshold provided in an exemplary embodiment of the present application
  • FIG. 2 is a flowchart of a method for determining an energy detection threshold provided in an exemplary embodiment of the present application
  • FIG. 3 is a flowchart of a method for determining an energy detection threshold provided in an exemplary embodiment of the present application
  • FIG. 4 is a flowchart of a method for determining an energy detection threshold provided in an exemplary embodiment of the present application
  • FIG. 5 is a flowchart of a method for determining an energy detection threshold provided by an exemplary embodiment of the present application
  • FIG. 6 is a schematic diagram of beam gain provided by an exemplary embodiment of the present application.
  • FIG. 7 is a schematic diagram of beam width provided by an exemplary embodiment of the present application.
  • FIG. 8 is a schematic diagram of beam width provided by an exemplary embodiment of the present application.
  • FIG. 9 is a schematic comparison diagram of two network devices provided by an exemplary embodiment of the present application.
  • Fig. 10 is a structural diagram of an energy detection threshold communication device provided by an exemplary embodiment of the present application.
  • Fig. 11 is a block diagram of a communication device provided by an exemplary embodiment of the present application.
  • the unlicensed spectrum is the spectrum allocated by the country and region that can be used for radio equipment communication, and the spectrum is usually considered as a shared spectrum. Among them, as long as the communication equipment in the unlicensed spectrum meets the preset regulations on the spectrum, it can use the spectrum without applying for a dedicated spectrum authorization.
  • the communication device includes at least one of a terminal device and a network device.
  • Communication devices can use unlicensed spectrum following the principle of Listen Before Talk (LBT). Before using a channel on an unlicensed spectrum for signal transmission, the communication device first performs channel monitoring, such as performing LBT. When the result of channel monitoring is that the channel is idle or the LBT is successful, the communication device uses this channel for signal transmission, otherwise it cannot use this channel for signal transmission.
  • LBT Listen Before Talk
  • the channel monitoring process can be realized through energy detection, and the detection result will affect the success or failure of LBT. Based on this, the communication device needs to determine the Energy Detection Threshold (EDT).
  • EDT Energy Detection Threshold
  • the network device when accessing the channel where the transmission is performed, the network device sets the energy detection threshold X Thresh to be smaller than or equal to the maximum energy detection threshold X Thresh_max .
  • X Thresh_max is as follows:
  • the network device uses the set maximum transmission power on a single channel.
  • the energy detection threshold defined in the related art for clear channel assessment (Clear Channel Access, CCA) check should be:
  • EDT -80dBm+10 ⁇ log 10 (Operating Channel BW(MHz)+10 ⁇ log 10 (P max /P out ).
  • P out is the radio frequency (Radio Frequency, RF) transmission power
  • P max is the radio frequency transmission power limit
  • the unit is watts (W)
  • the working channel is the wireless local area network (Radio Local Area Network, RLAN) The channel on which the mechanism is adapted to initiate the transfer.
  • the radio frequency transmit power is an average equivalent isotopically radiated power (Equivalent Isotopically Radiated Power, EIRP) of the communication device during a transmission opportunity.
  • EIRP Equivalent Isotopically Radiated Power
  • the maximum RF transmit power applies to the entire system when operating at the highest specified power level. For smart antenna systems, this limitation applies to the configuration corresponding to the highest EIRP. If there are multiple channels (adjacent or non-adjacent), the total radio frequency transmission power of all channels shall be less than or equal to 40dBm.
  • P out is the maximum value of the average EIRP of each group of transmission opportunities within the channel occupancy time (Channel Occupancy Time, COT), or the maximum EIRP transmitted within the COT.
  • the monitoring beam is a beam used by the LBT in the wireless channel access process, and is used to perceive the current interference level of the channel;
  • the sending beam is a beam used in the data sending process.
  • the communication device needs to use the monitoring beam to detect the channel, so as to perceive the current interference level of the channel.
  • the embodiment of the present application provides a method for determining EDT, by considering the influence of the listening beam and the sending beam, or considering the influence of the listening beam, so that the communication device can determine the value of EDT, and then guarantee the LBT result credibility.
  • Fig. 1 shows a flowchart of a method for determining an EDT provided by an exemplary embodiment of the present application, and the method is applied to a communication device.
  • the communication device includes at least one of a terminal device and a network device.
  • the method for determining the EDT provided in the embodiments of the present application includes the following steps:
  • Step 102 Determine EDT.
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • the monitoring beam is a beam used by the LBT in the wireless channel access process, and is used to perceive the current interference level of the channel;
  • the sending beam is a beam used in the data sending process.
  • Step 102 may be implemented as: determining the EDT according to the monitoring beam and the transmitting beam, or determining the EDT according to the monitoring beam.
  • the communication device is a network device
  • the network device can determine the value of EDT according to the monitoring beam and the sending beam; for another example, the communication device is a terminal device, and the terminal device can determine the EDT according to the monitoring beam.
  • the EDT is determined according to the radio frequency transmit power, the radio frequency transmit power limitation, and the first adjustment amount.
  • the first adjustment amount is determined based on the beam parameters of the monitoring beam and the transmitting beam, or the first adjustment amount is determined based on the beam parameters of the monitoring beam.
  • EDT -80dBm+10 ⁇ log 10 (Operating Channel BW(MHz))+10 ⁇ log 10 (P max /P out )+ ⁇ .
  • P out is the radio frequency transmission power
  • P max is the radio frequency transmission power limit
  • ⁇ is the first adjustment amount
  • the Operating channel BW is the working channel bandwidth.
  • the determination of the first adjustment amount ⁇ may be determined according to beam parameters of the monitoring beam and the transmitting beam, or determined according to beam parameters of the monitoring beam.
  • the beam parameters include at least one of the following:
  • the first adjustment amount is determined based on the beam gains of the monitoring beam and the transmitting beam, or the first adjustment amount is determined based on the beam gain of the monitoring beam.
  • the first adjustment amount is determined based on the beam widths of the monitoring beam and the transmitting beam, or the first adjustment amount is determined based on the beam width of the monitoring beam.
  • the first adjustment amount is determined based on the beam gain and beam width of the listening beam and the sending beam.
  • the value of the first adjustment amount is also different.
  • the first adjustment amount includes one of the following situations:
  • RxBF is used to indicate the beam gain of the listening beam
  • TxBF is used to indicate the beam gain of the transmitting beam.
  • the beam width can be expressed as XdB, where X is any real number.
  • X is any real number.
  • the beam gain reaches its maximum in the peak direction and gradually decreases along both sides.
  • the XdB beam width indicates the corresponding beam width when the beam gain is XdB lower than the peak value of the beam gain.
  • ⁇ 3dB,sensing represents the 3dB beamwidth of the monitoring beam
  • ⁇ 3dB,trans represents the 3dB beamwidth of the transmitting beam
  • 2 ⁇ represents the beamwidth of omnidirectional monitoring.
  • the 3dB beamwidth may be replaced by an X dB beamwidth, where X is any real number.
  • the first adjustment amount includes: a difference between the beam gains of the listening beam and the sending beam; and a ratio of the beam widths of the listening beam and the sending beam.
  • the first adjustment amount can be expressed as:
  • ⁇ (RxBF ⁇ TxBF)+10 ⁇ log 10 ( ⁇ 3dB,sensing / ⁇ 3dB,trans ).
  • the communication device may determine the first adjustment amount after obtaining the beam parameters of the monitoring beam and the transmitting beam, or after obtaining the beam parameters of the monitoring beam; then, the communication device may determine the first adjustment amount according to the radio frequency transmission power and the radio frequency transmission power limit and the first adjustment amount determine EDT.
  • the method for determining the EDT takes into account the influence of different influencing factors on the value of the EDT.
  • the EDT is determined according to the monitoring beam and the transmitting beam, and the influence of the gap between the monitoring beam and the transmitting beam on the value of the EDT is considered; or, the EDT is determined according to the monitoring beam, and the influence of the monitoring beam on the value of the EDT is considered.
  • the EDT is determined according to the radio frequency transmit power, the radio frequency transmit power limitation, and the first adjustment amount.
  • the first adjustment amount is affected by beam parameters of the listening beam and the sending beam, or, the first adjustment amount is affected by beam parameters of the listening beam.
  • the beam parameters include at least one of beam gain and beam width.
  • FIG. 2 shows a flowchart of a method for determining EDT provided by an exemplary embodiment of the present application, and the method is applied to a communication device.
  • the communication device includes at least one of a terminal device and a network device.
  • the method for determining the EDT provided in the embodiments of the present application includes the following steps:
  • Step 202 Determine a first adjustment amount based on beam parameters of the monitoring beam and the transmitting beam.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • step 202 can be implemented in one of the following three implementation manners:
  • step 202 may be implemented as: determining the first adjustment amount based on the beam gains of the monitoring beam and the transmitting beam.
  • RxBF is used to indicate the beam gain of the listening beam
  • TxBF is used to indicate the beam gain of the transmitting beam.
  • step 202 may be implemented as: determining the first adjustment amount based on the beamwidths of the monitoring beam and the transmitting beam.
  • the beamwidth is expressed as XdB, where X is any real number, and the XdB beamwidth represents a corresponding beamwidth when the beam gain is XdB lower than the peak value of the beam gain.
  • ⁇ 3dB,sensing represents the 3dB beamwidth of the listening beam
  • ⁇ 3dB,trans represents the 3dB beamwidth of the transmitting beam.
  • the 3dB beamwidth in this embodiment may be replaced by an XdB beamwidth, where X is any real number.
  • step 202 may be implemented as: determining the first adjustment amount based on the beam gain and beam width of the listening beam and the transmitting beam.
  • the communication device may determine the value of the first adjustment amount. Wherein, the value of the first adjustment amount is not greater than 0.
  • beam parameters of the listening beam and the sending beam are the same, and the first adjustment amount is equal to 0; or, the listening beam and the sending beam are the same beam, and the first adjustment amount is equal to 0.
  • the beam gains of the listening beam and the sending beam are the same, or the beam widths of the listening beam and the sending beam are the same.
  • the beam parameter of the listening beam is smaller than the beam parameter of the sending beam, and the first adjustment amount is less than 0.
  • the beam gain of the listening beam is smaller than the beam gain of the sending beam, or the beam width of the listening beam is smaller than the beam width of the sending beam.
  • the first adjustment amount is 0.
  • the beam gain of the monitoring beam is greater than the beam gain of the transmitting beam
  • the beam width of the monitoring beam is greater than the beam width of the transmitting beam.
  • beam parameters including beam width is similar to the above content, which can be used as a reference and will not be repeated here.
  • Step 204 Determine EDT according to the first adjustment amount.
  • the EDT is determined according to the radio frequency transmission power, the radio frequency transmission power limitation, and the first adjustment amount. After the communication device determines the value of the first adjustment amount, it may calculate the EDT in combination with the radio frequency transmission power and the radio frequency transmission power limitation.
  • EDT -80dBm+10 ⁇ log 10 (Operating Channel BW(MHz))+10 ⁇ log 10 (P max /P out )+ ⁇ .
  • P out is the radio frequency transmission power
  • P max is the radio frequency transmission power limit
  • ⁇ is the first adjustment amount
  • the Operating channel BW is the working channel bandwidth.
  • the value of the EDT may be determined according to the above calculation formula.
  • the first adjustment amount is limited to 0, and the method provided in the embodiment of the present application further includes the following steps:
  • the success or failure of the LBT is determined according to the energy detected in the LBT and the second adjustment amount, where the second adjustment amount is a difference between a beam parameter of the listening beam and a beam parameter of the sending beam.
  • the second adjustment amount is an adjustment to the energy detected in the LBT, so as to meet the determination of the threshold actually required by the communication device.
  • the difference between the energy detected in the LBT and the second adjustment amount is less than or equal to the EDT, it is determined that the LBT is successful; in the case where the difference between the energy detected in the LBT and the second adjustment amount is greater than the EDT Next, determine that the LBT failed.
  • the communication device determines the EDT according to the first adjustment amount; then, the communication device subtracts the energy detected in the LBT by the second adjustment amount, and compares the obtained value with the EDT to determine whether the LBT succeeds or fails.
  • the communication device determines that the difference between the beam gain of the listening beam and the beam gain of the sending beam is 10 dBm according to the beam gain of the listening beam and the beam gain of the sending beam. If the first adjustment value is greater than 0, the increase in EDT will lead to an increase in the probability of LBT success, thereby weakening the role of channel monitoring, which does not comply with the design principles of unlicensed frequency bands, and increasing the original EDT will violate regulatory requirements. Therefore, Limit the first adjustment amount to 0.
  • the communication device determines that the value of EDT is -47dBm, and the second adjustment amount is 10dBm.
  • the communication device takes the energy detected in the LBT and subtracts the second adjustment from it for comparison with the EDT. For example, the difference obtained by subtracting the second adjustment amount from the energy detected in the LBT is -50dBm. Since -50dBm is less than -47dBm, the communication device determines that the LBT is successful; another example, the energy detected in the LBT minus the second adjustment The measured difference is -37dBm, and since -37dBm is greater than -47dBm, the communication device determines that the LBT has failed.
  • the embodiment of the present application provides a method for determining EDT.
  • the first adjustment amount is determined according to the beam parameters of the listening beam and the sending beam, and then the EDT is determined according to the first adjustment amount, thus taking into account the monitoring beam and the sending beam. The influence of the gap between them on the value of EDT.
  • the value of the first adjustment amount is not greater than 0, so as to avoid the effect of channel monitoring being weakened due to an increase in EDT.
  • the first adjustment amount is limited to 0, and the communication device can determine whether the LBT succeeds or fails according to the energy detected in the LBT and the second adjustment amount.
  • FIG. 3 shows a flowchart of a method for determining an EDT provided in an exemplary embodiment of the present application, and the method is applied to a communication device.
  • the communication device includes at least one of a terminal device and a network device.
  • the method for determining the EDT provided in the embodiments of the present application includes the following steps:
  • Step 302 Determine a first adjustment amount based on beam parameters of the listening beam.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • step 202 can be implemented in one of the following three implementation manners:
  • step 202 may be implemented as: determining the first adjustment amount based on the beam gain of the monitoring beam.
  • RxBF is used to indicate the beam gain of the listening beam.
  • step 202 may be implemented as: determining the first adjustment amount based on the beam width of the monitoring beam.
  • the beamwidth may be expressed as XdB, where X is any real number, and the XdB beamwidth represents the corresponding beamwidth when the beam gain is XdB lower than the peak value of the beam gain.
  • ⁇ 3dB,sensing represents the 3dB beam width of the monitoring beam
  • 2 ⁇ represents the beam width of omnidirectional monitoring.
  • the 3dB beamwidth in this embodiment may be replaced by an XdB beamwidth, where X is any real number.
  • the communication device may determine the value of the first adjustment amount. Wherein, the value of the first adjustment amount is not greater than 0.
  • the first adjustment amount is 0.
  • the beam gain of the monitoring beam is greater than 0, or the beam width of the monitoring beam is greater than 0.
  • the first adjustment amount includes the beam gain of the monitoring beam
  • the first adjustment amount is 0; or, if the beam gain of the monitoring beam is 0, the first adjustment The amount is 0.
  • the first adjustment amount includes the beamwidth of the monitoring beam
  • the first adjustment amount includes a ratio between the beamwidth of the monitoring beam and 2 ⁇ .
  • 2 ⁇ is the beam width of omnidirectional monitoring, and ⁇ 0 at this time.
  • Step 304 Determine EDT according to the first adjustment amount.
  • the EDT is determined according to the radio frequency transmission power, the radio frequency transmission power limitation, and the first adjustment amount. After the communication device determines the value of the first adjustment amount, it may calculate the EDT in combination with the radio frequency transmission power and the radio frequency transmission power limitation.
  • EDT -80dBm+10 ⁇ log 10 (Operating Channel BW(MHz))+10 ⁇ log 10 (P max /P out )+ ⁇ .
  • P out is the radio frequency transmission power
  • P max is the radio frequency transmission power limit
  • ⁇ is the first adjustment amount
  • the Operating channel BW is the working channel bandwidth.
  • step 302 after the communication device determines the value of the first adjustment amount based on the beam parameters of the monitoring beam, it determines the value of the EDT according to the above calculation formula.
  • the first adjustment amount is limited to 0, and the method provided in the embodiment of the present application further includes the following steps:
  • the success or failure of the LBT is determined according to the energy detected in the LBT and the second adjustment amount, where the second adjustment amount is a beam parameter of the monitoring beam.
  • the second adjustment amount is an adjustment to the energy detected in the LBT, so as to meet the determination of the threshold actually required by the communication device.
  • the difference between the energy detected in the LBT and the second adjustment amount is less than or equal to the EDT, it is determined that the LBT is successful; in the case where the difference between the energy detected in the LBT and the second adjustment amount is greater than the EDT Next, determine that the LBT failed.
  • the communication device determines the EDT according to the first adjustment amount; then, the communication device subtracts the energy detected in the LBT by the second adjustment amount, and compares the obtained value with the EDT to determine whether the LBT succeeds or fails.
  • the communication device determines that the second adjustment amount is 10 dBm based on the beamwidth of the monitoring beam, and limits the first adjustment amount to 0; then, the communication device determines that the EDT value is -47 dBm.
  • the communication device determines that the success or failure of the LBT.
  • the embodiment of the present application provides a method for determining EDT.
  • the first adjustment amount is determined according to the beam parameters of the monitoring beam, and then the EDT is determined according to the first adjustment amount, thus considering the influence of the monitoring beam on the value of EDT. Influence.
  • the value of the first adjustment amount is not greater than 0, so as to avoid the effect of channel monitoring being weakened due to an increase in EDT.
  • the first adjustment amount is limited to 0, and the communication device may determine whether the LBT succeeds or fails according to the energy detected in the LBT and the second adjustment amount.
  • the first adjustment amount further includes a scaling factor, and the scaling factor is used to adjust the intensity of the influence of the beam parameters on the EDT.
  • the beam parameter includes at least one of beam gain and beam width.
  • the value of the scaling factor is between 0 and 1.
  • the scaling factor corresponding to the beam gain is ⁇
  • the scaling factor corresponding to the beam width is ⁇ , 0 ⁇ 1, 0 ⁇ 1.
  • the first adjustment amount has the following optional expressions:
  • RxBF is used to indicate the beam gain of the listening beam
  • TxBF is used to indicate the beam gain of the transmitting beam, 0 ⁇ 1.
  • the beamwidth may be expressed as XdB, where X is any real number, and the XdB beamwidth represents the corresponding beamwidth when the beam gain is XdB lower than the peak value of the beam gain.
  • X 3dB
  • ⁇ 3dB,sensing represents the 3dB beamwidth of the listening beam
  • ⁇ 3dB,trans represents the 3dB beamwidth of the transmitting beam
  • 2 ⁇ is the omnidirectional monitoring beamwidth, 0 ⁇ 1.
  • the 3dB beamwidth in this embodiment may be replaced by an XdB beamwidth, where X is any real number.
  • the first adjustment amount determined based on beam gain and beam width can be expressed as:
  • ⁇ ⁇ (RxBF ⁇ TxBF)+ ⁇ 10 ⁇ log 10 ( ⁇ 3dB,sensing / ⁇ 3dB,trans ).
  • the scaling factor can be determined in the following two different ways:
  • Fig. 4 shows a flowchart of a method for determining an EDT provided by an exemplary embodiment of the present application, and the method is applied to a communication device.
  • the communication device includes at least one of a terminal device and a network device.
  • the method for determining the EDT provided in the embodiments of the present application includes the following steps:
  • Step 402 Determine the scaling factor according to the correspondence between the monitoring beam and the transmitting beam.
  • the scaling factor is used to adjust the strength of influence of beam parameters on EDT.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • the communication device may determine the scaling factor to be used according to the correspondence between the two.
  • the terminal equipment and network equipment can respectively determine ⁇ according to the correspondence between the listening beam and the sending beam, thereby adjusting the beam gain of the listening beam and the beam gain of the sending beam.
  • the terminal device and the network device can respectively determine ⁇ according to the correspondence between the listening beam and the sending beam, so as to adjust the influence of the difference between the beamwidth of the listening beam and the beamwidth of the sending beam on the EDT.
  • Step 404 Determine EDT.
  • step 404 is the same as step 102, which can be used as a reference and will not be repeated here.
  • Fig. 5 shows a flowchart of a method for determining an EDT provided by an exemplary embodiment of the present application, and the method is applied to a communication device.
  • the communication equipment includes terminal equipment and network equipment.
  • the method for determining the EDT provided in the embodiments of the present application includes the following steps:
  • Step 501 the network device determines the scaling factor, and sends the scaling factor to the terminal device.
  • the scaling factor is used to adjust the strength of influence of beam parameters on EDT.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • the network device may determine the scaling factor to be used according to the correspondence between the two, and then send it to the terminal device.
  • Step 502 the terminal device receives the scaling factor sent by the network device.
  • the scaling factor is used to adjust the strength of influence of beam parameters on EDT.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • the scaling factor is determined by the network device according to the correspondence between the listening beam and the sending beam, so as to ensure that the network device and the terminal device have consistent understandings of the first adjustment amount included in the EDT. For example, after the network device determines ⁇ , it sends it to the terminal device, so as to ensure that the network device and the terminal device have the same understanding of the influence of the beam gain on the EDT.
  • Step 5031 The network device determines the EDT.
  • step 5031 is executed by the network device, which is the same as step 102, which can be used as a reference and will not be repeated here.
  • Step 5032 The terminal device determines the EDT.
  • step 5032 is executed by the terminal device, which is the same as step 102, which can be used as a reference, and will not be repeated here.
  • Step 5031 and step 5032 can be executed one or both, and the execution sequence is not limited.
  • the steps on the side of the terminal device can be an embodiment of the method for determining the EDT applied to the terminal device alone, and the steps on the side of the network device can be independently used as an EDT applied to the network device.
  • the specific explanation of the steps of the method for determining the EDT can refer to the above content, and will not be repeated here.
  • the first adjustment amount further includes a scaling factor, which is used to adjust the intensity of influence of the beam parameter on the EDT.
  • the value of the scaling factor is between 0 and 1.
  • the embodiment of the present application also provides two optional implementation methods for determining the scaling factor: the communication device can determine the scaling factor according to the correspondence between the monitoring beam and the transmitting beam; or, after the network device determines the scaling factor, it sent to the terminal device.
  • the communication device as an LBT network device as an example, three optional methods for determining the EDT are given below.
  • EDT -80dBm+10 ⁇ log 10 (Operating Channel BW(MHz))+10 ⁇ log 10 (P max /P out )+ ⁇ .
  • P out is the radio frequency transmission power
  • P max is the radio frequency transmission power limit
  • ⁇ is the first adjustment amount
  • the Operating channel BW is the working channel bandwidth.
  • Determination method one: determine the first adjustment amount based on the beam gain.
  • the EIRP of the transmit beam of the LBT network device is the sum of the transmit power and the transmit beam gain, where the transmit power is represented by TxP, and the beam gain of the transmit beam is represented by TxBF.
  • the LBT network device also needs to consider the beam gain of the receiving beam, and the beam gain of the receiving beam is represented by RxBF.
  • the unit of the beam gain is dBi.
  • the first adjustment amount is not greater than 0.
  • the determination of the first adjustment amount can be divided into one of the following situations:
  • Case 1 The first adjustment amount is determined based on the sending beam.
  • the sending beam and the listening beam are the same beam, or the beam gain of the sending beam is the same as that of the listening beam.
  • the former can be regarded as a special case of the latter.
  • Case 2 The first adjustment amount is determined based on the beam gain of the listening beam and the beam gain of the sending beam.
  • the beam gain of the listening beam is smaller than the beam gain of the transmitting beam, RxBF ⁇ TxBF, and the first adjustment amount ⁇ 0.
  • the EDT with the first adjustment amount increased is lower than the EDT without the first adjustment amount.
  • the beam gain of the listening beam is lower than the beam gain of the sending beam, which will cause the enhancement of the detection energy by the beam gain to the LBT process to be weaker than the enhancement of the sending signal energy during the data transmission process, so the value of EDT needs to be reduced to ease the monitoring beam The effect of the gap between the beam gain of the beam and the beam gain of the transmit beam.
  • the beam gain of the listening beam is higher than that of the sending beam, if the first adjustment value is greater than 0, increasing the EDT will lead to an increase in the probability of LBT success, which weakens the role of channel monitoring and does not meet the design of unlicensed frequency bands. principle, and raising the EDT would violate regulatory requirements.
  • the communication device may subtract the energy detected in the LBT process from the second adjustment amount and increase The first adjustment amount (the first adjustment amount at this time is 0) is compared with the EDT, and finally the success/failure of the LBT is determined.
  • the second adjustment amount is a difference between the beam gain of the listening beam and the beam gain of the sending beam.
  • the difference between the energy detected in the LBT and the second adjustment amount is less than or equal to the EDT, it is determined that the LBT is successful; in the case where the difference between the energy detected in the LBT and the second adjustment amount is greater than the EDT Next, determine that the LBT failed.
  • Case three the first adjustment amount is determined based on omnidirectional monitoring.
  • the monitoring beam is an omnidirectional beam, or the beam gain of the monitoring beam is equal to 0.
  • the former can be regarded as a special case of the latter.
  • the value of the EDT with the first adjustment amount added cannot be increased compared to the EDT without the first adjustment amount.
  • ⁇ 0.
  • the communication device may subtract the second adjustment amount from the energy detected in the LBT process, and then add the obtained value to the second adjustment amount
  • the EDT comparison of an adjustment amount (the first adjustment amount at this time is 0) finally determines whether the LBT succeeds/fails.
  • the second adjustment amount is a beam gain of the listening beam.
  • the difference between the energy detected in the LBT and the second adjustment amount is less than or equal to the EDT, it is determined that the LBT is successful; in the case where the difference between the energy detected in the LBT and the second adjustment amount is greater than the EDT Next, determine that the LBT failed.
  • a scaling factor may also be added to the first adjustment amount.
  • the first adjustment amount ⁇ 0, which means that the influence of the difference between the beam gain of the monitoring beam and the beam gain of the transmitting beam on the EDT is not considered.
  • the communication device may determine the scaling factor ⁇ according to the correspondence between the listening beam and the sending beam, so as to adjust the influence of the difference between the beam gain of the listening beam and the beam gain of the sending beam on the EDT.
  • the network device notifies the terminal device after determining the scaling factor ⁇ , so as to ensure the consistency of the understanding of the first adjustment amount ⁇ of the EDT by the network device and the terminal device.
  • Determination method two determine the first adjustment amount based on the beam width.
  • the beamwidth of the listening beam and the transmitting beam may also be a difference in the beamwidth of the listening beam and the transmitting beam, thereby affecting the ability of the beam to detect. For example, when the monitor beam width is smaller than the transmit beam width, the energy range detected by the monitor beam is inconsistent with the energy range radiated by the transmit beam.
  • the beam gain reaches the maximum in the peak direction and decreases gradually along both sides.
  • the 3dB beamwidth is used to indicate the corresponding beamwidth when the beam gain is 3dB lower than the peak value of the beam gain.
  • the 3dB beamwidth in this embodiment can be replaced by an X dB beamwidth, where X is any real number, and the 3dB beamwidth is used as an example below, and details will not be repeated.
  • the first adjustment amount is not greater than 0.
  • the determination of the first adjustment amount can be divided into one of the following situations:
  • Case 1 The first adjustment amount is determined based on the sending beam.
  • the sending beam and the listening beam are the same beam, or the beam width of the sending beam is the same as that of the listening beam.
  • the former can be regarded as a special case of the latter.
  • Case 2 The first adjustment amount is determined based on the beamwidth of the monitoring beam and the beamwidth of the transmitting beam.
  • ⁇ 3dB,sensing represents the 3dB beamwidth of the listening beam
  • ⁇ 3dB,trans represents the 3dB beamwidth of the transmitting beam
  • the beamwidth of the listening beam is smaller than the beamwidth of the transmitting beam, ⁇ 3dB,sensing ⁇ 3dB,trans , and the first adjustment amount ⁇ 0.
  • the EDT with the first adjustment amount increased is lower than the EDT without the first adjustment amount.
  • the beamwidth of the monitoring beam is lower than that of the transmitting beam, which will result in the detection energy range of the beamwidth during the LBT process being lower than the range of the transmitted signal radiation during the data transmission process. Therefore, it is necessary to reduce the value of EDT to ease the detection of the monitoring beam.
  • the effect of the gap between the beamwidth of the transmit beam and the beamwidth of the transmit beam is necessary to reduce the gap between the beamwidth of the transmit beam and the beamwidth of the transmit beam.
  • the beamwidth of the monitoring beam is greater than the beamwidth of the transmitting beam
  • the EDT of the adjustment amount is the same.
  • the beamwidth of the monitoring beam is higher than that of the transmitting beam, if the first adjustment value is greater than 0, increasing the EDT will lead to an increase in the probability of LBT success, which weakens the role of channel monitoring and does not meet the design of unlicensed frequency bands. principle, and raising the EDT would violate regulatory requirements.
  • the communication device can subtract the energy detected in the LBT process from the first After the second adjustment amount is compared with the EDT with the first adjustment amount added (the first adjustment amount at this time is 0), the success/failure of the LBT is finally determined.
  • the second adjustment amount is a difference between the beamwidth of the listening beam and the beamwidth of the transmitting beam.
  • the difference between the energy detected in the LBT and the second adjustment amount is less than or equal to the EDT, it is determined that the LBT is successful; in the case where the difference between the energy detected in the LBT and the second adjustment amount is greater than the EDT Next, determine that the LBT failed.
  • Case three the first adjustment amount is determined based on omnidirectional monitoring.
  • ⁇ 3dB,sensing represents the 3dB beamwidth of the monitoring beam
  • 2 ⁇ is the beamwidth of omnidirectional monitoring.
  • the first adjustment amount is determined by the 3dB beam width of the listening beam, and the first adjustment amount ⁇ 0 is always present.
  • a scaling factor may also be added to the first adjustment amount.
  • the first adjustment amount ⁇ 0, which means that the influence of the difference between the beamwidth of the monitoring beam and the beamwidth of the transmitting beam on the EDT is not considered.
  • the adjustment of the EDT is determined by the difference between the beamwidth of the monitoring beam and the beamwidth of the transmitting beam.
  • the communication device may determine the scaling factor ⁇ according to the correspondence between the listening beam and the sending beam, so as to adjust the influence of the difference between the beamwidth of the listening beam and the beamwidth of the sending beam on the EDT.
  • the network device notifies the terminal device after determining the scaling factor ⁇ , so as to ensure the consistency of the network device and the terminal device's understanding of the first EDT adjustment amount ⁇ .
  • Determination method three determine the first adjustment amount based on the beam gain and the beam width.
  • the first adjustment amount is not greater than 0.
  • the first adjustment amount can be expressed as:
  • ⁇ (RxBF ⁇ TxBF)+10 ⁇ log 10 ( ⁇ 3dB,sensing / ⁇ 3dB,trans ).
  • a scaling factor may also be added to the first adjustment amount.
  • ⁇ ⁇ .
  • the EDT determined by the two network devices is compared as follows:
  • the gain gap between the monitoring beam and the transmitting beam is the same, that is, both RxBF-TxBF are 0, the beamwidth of the transmitting beam of LBT network device 1 is greater than the beamwidth of the monitoring beam, and the beamwidth of the transmitting beam of LBT network device 2 is equal to The beamwidth of the listening beam.
  • the EDTs determined by the LBT network device 1 and the network device 2 are different.
  • the EDT determined by the LBT network device 1 is lower.
  • the EDTs determined by the LBT network device 1 and the network device 2 are different.
  • the EDT determined by the LBT network device 1 is lower.
  • the communication device may determine the scaling factors ⁇ and ⁇ according to the correspondence between the listening beam and the sending beam, so as to adjust the influence of the beam gain and the beam width on the EDT.
  • the network device notifies the terminal device after determining the scaling factors ⁇ and ⁇ , so as to ensure the consistency of understanding between the network device and the terminal device for the first EDT adjustment amount ⁇ .
  • the embodiment of the present application considers the influence of beam gain and/or beam width on EDT, provides three optional methods for determining EDT, and exemplarily gives the calculation formula of the first adjustment amount, Through the calculation of different first adjustment amounts, the value of EDT is different.
  • Fig. 10 is a schematic diagram of an energy detection threshold communication device provided by an exemplary embodiment of the present application, and the device includes:
  • Determining module 1020 for determining EDT
  • the EDT is determined according to the monitoring beam and the transmitting beam, or the EDT is determined according to the monitoring beam.
  • the EDT is determined according to the radio frequency transmission power, the radio frequency transmission power limitation, and the first adjustment amount; wherein, the first adjustment amount is determined based on the beam parameters of the listening beam and the sending beam, or the first adjustment amount is based on the listening beam The beam parameters are determined.
  • the determining module 1020 is configured to determine a first adjustment amount based on the beam parameters of the monitoring beam and the transmitting beam; and determine the EDT according to the first adjustment amount.
  • beam parameters of the listening beam and the sending beam are the same, and the first adjustment amount is equal to 0; or, the listening beam and the sending beam are the same beam, and the first adjustment amount is equal to 0.
  • the beam parameter of the listening beam is smaller than the beam parameter of the sending beam, and the first adjustment amount is less than 0.
  • the first adjustment amount is 0.
  • the determining module 1020 is configured to determine a first adjustment amount based on the beam parameter of the monitoring beam; and determine the EDT according to the first adjustment amount.
  • the first adjustment amount is 0.
  • the determination module 1020 is further configured to determine the success or failure of the listen-before-speak LBT according to the energy detected in the LBT and the second adjustment amount, the second adjustment amount is the beam parameter of the listening beam and the beam parameter of the sending beam The difference, or the second adjustment amount, is a beam parameter of the listening beam.
  • the beam parameters include at least one of the following: beam gain; beam width.
  • the beam parameter includes a beam gain
  • the first adjustment amount includes: a difference between the beam gains of the monitoring beam and the transmitting beam; or, the beam gain of the monitoring beam.
  • the beam parameter includes a beam width
  • the first adjustment amount includes: a ratio of the beam width of the listening beam to the sending beam; or, the beam width of the listening beam.
  • the first adjustment amount when the first adjustment amount includes the beamwidth of the monitoring beam, the first adjustment amount includes a ratio between the beamwidth of the monitoring beam and 2 ⁇ .
  • the beam parameters include beam gain and beam width
  • the first adjustment amount includes: a difference between the beam gains of the listening beam and the sending beam; and a ratio of the beam widths of the listening beam and the sending beam.
  • the first adjustment amount further includes a scaling factor, and the scaling factor is used to adjust the intensity of influence of the beam parameter on the EDT.
  • the value of the scaling factor is between 0 and 1.
  • the determining module 1020 is further configured to determine the scaling factor according to the correspondence between the monitoring beam and the transmitting beam.
  • the determining module 1020 is further configured to determine the scaling factor, and send the scaling factor to the terminal device.
  • the determining module 1020 is also configured to receive the scaling factor sent by the network device.
  • FIG. 11 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
  • the communication device includes: a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 can be implemented as a communication component, which can be a communication chip.
  • the memory 104 is connected to the processor 101 through the bus 105 .
  • the memory 104 may be used to store at least one instruction, and the processor 101 is used to execute the at least one instruction, so as to implement various steps in the method for determining the energy detection threshold mentioned in the above method embodiments.
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Electrically-Erasable Programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read-Only Memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • EEPROM Electrically-Erasable Programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Random Access Memory
  • Read-Only Memory Read-Only Memory
  • PROM Programmable Read-Only Memory
  • the embodiment of the present application also provides a network device, and the network device includes a processor; the processor is configured to determine the EDT; wherein, the EDT is determined according to the monitoring beam and the sending beam, or the EDT is determined according to the monitoring beam.
  • the embodiment of the present application also provides a terminal device.
  • the terminal device includes a processor; the processor is configured to determine the EDT; wherein, the EDT is determined according to the listening beam and the sending beam, or the EDT is determined according to the listening beam.
  • An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor, so as to implement the method for determining the energy detection threshold as described above.
  • the embodiment of the present application also provides a chip, the chip chip includes a programmable logic circuit and/or program instructions, which are used to implement the method for determining the energy detection threshold as described above when the chip is running.
  • the embodiment of the present application also provides a computer program product or computer program, the computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads and executes the computer program from the computer-readable storage medium. Instructions to implement the method for determining the energy detection threshold as described above.

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Abstract

本申请公开了一种能量检测门限的确定方法、装置、设备及存储介质，涉及通信技术领域。能量检测门限的确定方法应用于通信设备，所述方法包括：确定能量检测门限EDT；其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。

Description

能量检测门限的确定方法、装置、设备及存储介质 技术领域
本申请涉及通信技术领域，特别涉及能量检测门限的确定方法、装置、设备及存储介质。
背景技术
非授权频段下，在无线信道接入过程中，通信设备需要确定能量检测门限(Energy Detection Threshold，EDT)。相关技术中，EDT的确定通常仅考虑发送波束。比如，根据射频(Radio Frequency，RF)发送功率和射频发送功率限制确定EDT的取值。
发明内容
本申请实施例提供了一种能量检测门限的确定方法、装置、设备及存储介质，根据监听波束和发送波束确定EDT，或者根据监听波束确定EDT，所述技术方案如下：
根据本申请的一个方面，提供了一种能量检测门限的确定方法，应用于通信设备，所述方法包括：
确定能量检测门限EDT；
其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
根据本申请的一个方面，提供了一种能量检测门限的通信装置，所述装置包括：
确定模块，用于确定能量检测门限EDT；
其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
根据本申请的一个方面，提供了一种网络设备，网络设备包括处理器；
处理器，用于确定EDT；
其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
根据本申请的一个方面，提供了一种终端设备，终端设备包括处理器；
处理器，用于确定EDT；
其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
根据本申请的一个方面，提供了一种计算机可读存储介质，该存储介质中存储有计算机程序，计算机程序用于被处理器执行，以实现如上所述的能量检测门限的确定方法。
根据本申请的一个方面，提供了一种芯片，该芯片芯片包括可编程逻辑电路和/或程序指令，当芯片运行时，用于实现如上述所述的能量检测门限的确定方法。
根据本申请的一个方面，提供了一种计算机程序产品或计算机程序，计算机程序产品或计算机程序包括计算机指令，计算机指令存储在计算机可读存储介质中，处理器从计算机可读存储介质读取并执行计算机指令，以实现如上所述的能量检测门限的确定方法。
本申请实施例提供的技术方案至少包括如下有益效果：
本申请实施例提供了一种EDT的确定方法，考虑了不同的影响因素对于EDT的取值的影响。其中，可根据监听波束和发送波束确定EDT，考虑监听波束和发送波束之间的差距对EDT的取值的影响；或者，根据监听波束确定EDT，考虑监听波束对EDT的取值的影响。
附图说明
为了更清楚地说明本申请实施例中的技术方案，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，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请一个示例性实施例提供的能量检测门限的确定方法的流程图；
图2是本申请一个示例性实施例提供的能量检测门限的确定方法的流程图；
图3是本申请一个示例性实施例提供的能量检测门限的确定方法的流程图；
图4是本申请一个示例性实施例提供的能量检测门限的确定方法的流程图；
图5是本申请一个示例性实施例提供的能量检测门限的确定方法的流程图；
图6是本申请一个示例性实施例提供的关于波束增益的示意图；
图7是本申请一个示例性实施例提供的关于波束宽度的示意图；
图8是本申请一个示例性实施例提供的关于波束宽度的示意图；
图9是本申请一个示例性实施例提供的两个网络设备的比较示意图；
图10是本申请一个示例性实施例提供的能量检测门限的通信装置的结构图；
图11是本申请一个示例性实施例提供的通信设备的框图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
非授权频谱，是国家和地区划分的可用于无线电设备通信的频谱，该频谱通常被认为是共享频谱。其中，非授权频谱中的通信设备只要满足该频谱上的预设规定，即可使用该频谱，无需申请专用的频谱授权。
示意性的，通信设备包括终端设备和网络设备中的至少一种。
通信设备可以遵循先听后说(Listen Before Talk，LBT)的原则使用非授权频谱。在使用非授权频谱上的信道进行信号发送前，通信设备首先进行信道监听，比如进行LBT。在信道监听结果为信道空闲或者LBT成功时，通信设备使用该信道进行信号发送，否则将不能使用该信道进行信号发送。
信道监听过程可以通过能量检测来实现，检测结果将对LBT成功或者失败产生影响。基于此，通信设备需要确定能量检测门限(Energy Detection Threshold，EDT)，相关技术中关于能量检测门限有如下内容：
能量检测门限自适应过程：
以通信设备是网络设备为例，在接入执行传输所在的信道时，网络设备设置能量检测门限X Thresh小于或等于最大能量检测门限X Thresh_max。
示意性的，X Thresh_max确定方式可选的如下所示：
在一种可选的实施场景下，保证预设时间内没有任何其它技术共享信道，那么：
Figure PCTCN2021122264-appb-000001
其中，X r是法规要求定义的最大能量检测门限，单位为dBm；或者，X r＝T max+10dB。
在另一种可选的实施场景下，
Figure PCTCN2021122264-appb-000002
其中，对于包括发现机会的传输，T A＝5dB，否则T A＝10dB；P H＝23dBm；P TX是针对信道设置的基站最大发送功率，单位为分贝毫瓦(dBm)；T max＝10·log 10(3.16228·10 -8(mW/MHz)·BWMHz(MHz))；BWMHz是单信道带宽，单位为兆赫(MHz)。
可选的，无论采用单信道还是多信道传输，网络设备在单信道上使用设置的最大发送功率。
相关技术中定义的能量检测门限：
示例性的，针对60GHz非授权频段，相关技术中定义空闲信道评估(Clear Channel Access，CCA)检查的能量检测门限应该为：
EDT＝-80dBm+10×log 10(Operating Channel BW(MHz)+10×log 10(P max/P out)。
其中，P out为射频(Radio Frequency，RF)发送功率，P max为射频发送功率限制，单位为瓦(W)；工作信道(Operating channel)为无线局域网(Radio Local Area Network，RLAN)设备启动自适应机制以发起传输的信道。
可选的，射频发送功率是通信设备在传输机会期间平均等效全向辐射功率(Equivalent Isotopically Radiated Power，EIRP)。
在最高规定功率等级下运行时，最大射频发送功率适用于整个系统。对于智能天线系统，该限制适用于最高EIRP对应的配置。如果有多个信道(相邻或不相邻)，所有信道的总射频发送功率小于等于40dBm。
示意性的，P out为信道占用时间(Channel Occupancy Time，COT)内每组传输机会的平均EIRP的最大值，或者COT内传输的最大EIRP。
在上述定义中，EDT未考虑监听波束与发送波束之间的差距带来的影响。其中，监听波束为无线信道接入过程中LBT使用的波束，用于感知信道当前的干扰水平；发送波束为数据发送过程中使用的波束。在LBT过程中，通信设备需要使用监听波束对信道进行检测，以感知信道当前的干扰水平。
基于上述相关技术，本申请实施例提供了一种EDT的确定方法，通过考虑监听波束和发送波束的影响，或者考虑监听波束的影响，以使得通信设备能够确定EDT的取值，进而保证LBT结果的可信性。
图1示出了本申请一个示例性实施例提供的EDT的确定方法的流程图，该方法应用于通信设备。可选的，通信设备包括终端设备和网络设备中的至少一种。本申请实施例提供的EDT的确定方法包括如下步骤：
步骤102：确定EDT。
示意性的，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。其中，监听波束为无线信道接入过程中LBT使用的波束，用于感知信道当前的干扰水平；发送波束为数据发送过程中使用的波束。
步骤102可实现为：根据监听波束和发送波束确定EDT，或者，根据监听波束确定EDT。比如，通信设备是网络设备，网络设备可根据监听波束和发送波束确定EDT的取值；又如，通信设备是终端设备，终端设备可根据监听波束确定EDT。
可选的，EDT根据射频发送功率、射频发送功率限制和第一调整量确定。其中，第一调整量是基于监听波束和发送波束的波束参数确定的，或者，第一调整量是基于监听波束的波束参数确定的。
示例性的，EDT的计算公式如下所示：
EDT＝-80dBm+10×log 10(Operating Channel BW(MHz))+10×log 10(P max/P out)+Δ。
其中，P out为射频发送功率，P max为射频发送功率限制，Δ为第一调整量，Operating channel BW为工作信道带宽。
示意性的，第一调整量Δ的确定可根据监听波束与发送波束的波束参数确定，或者根据监听波束的波束参数确定。
可选的，波束参数包括如下中的至少一种：
波束增益；
波束宽度。
以波束参数包括波束增益为例，第一调整量是基于监听波束和发送波束的波束增益确定 的，或者，第一调整量是基于监听波束的波束增益确定的。
以波束参数包括波束宽度为例，第一调整量是基于监听波束和发送波束的波束宽度确定的，或者，第一调整量是基于监听波束的波束宽度确定的。
以波束参数包括波束增益和波束宽度为例，第一调整量是基于监听波束和发送波束的波束增益和波束宽度确定的。
根据波束参数的不同，第一调整量的取值也不同。可选的，以第一调整量是Δ为例，第一调整量包括如下几种情况中的一种：
波束参数包括波束增益的情况下，第一调整量包括：监听波束和发送波束的波束增益之间的差值，第一调整量可表示为：Δ＝RxBF-TxBF；或者，监听波束的波束增益，第一调整量可表示为：Δ＝RxBF。其中，RxBF用于指示监听波束的波束增益，TxBF用于指示发送波束的波束增益。
波束参数包括波束宽度的情况下，波束宽度可表示为XdB，X为任意实数。在基于波束的通信场景中，波束增益在峰值方向达到最大，同时沿两侧逐渐减小，XdB波束宽度表示波束增益比波束增益峰值下降XdB时对应的波束宽度。以下示例中，以X＝3为例，第一调整量包括：监听波束和发送波束的波束宽度的比值，第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/θ 3dB,trans)；或者，监听波束的波束宽度，第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/trans)2π)。其中，θ 3dB,sensing表示监听波束的3dB波束宽度，θ 3dB,trans表示发送波束的3dB波束宽度，2π表示全向监听的波束宽度。示例性的，3dB波束宽度可替换为X dB波束宽度，X为任意实数。
波束参数包括波束增益和波束宽度的情况下，第一调整量包括：监听波束和发送波束的波束增益之间的差值；监听波束和发送波束的波束宽度的比值。
其中，第一调整量可表示为：
Δ＝(RxBF-TxBF)+10·log 10(θ 3dB,sensing/θ 3dB,trans)。
示例性的，通信设备在获取到监听波束和发送波束的波束参数，或者在获取到监听波束的波束参数后，可确定第一调整量；随后，通信设备可根据射频发送功率、射频发送功率限制和第一调整量确定EDT。
综上所述，本申请实施例提供的EDT的确定方法，考虑了不同的影响因素对于EDT的取值的影响。其中，根据监听波束和发送波束确定EDT，考虑监听波束和发送波束之间的差距对EDT的取值的影响；或者，根据监听波束确定EDT，考虑监听波束对EDT的取值的影响。
可选的，EDT根据射频发送功率、射频发送功率限制和第一调整量确定。其中，第一调整量受监听波束和发送波束的波束参数影响，或者，第一调整量受监听波束的波束参数影响。可选的，波束参数包括波束增益和波束宽度中的至少一种。
以第一调整量根据监听波束和发送波束的波束参数来确定为例，图2示出了本申请一个示例性实施例提供的EDT的确定方法的流程图，该方法应用于通信设备。可选的，通信设备包括终端设备和网络设备中的至少一种。本申请实施例提供的EDT的确定方法包括如下步骤：
步骤202：基于监听波束和发送波束的波束参数确定第一调整量。
其中，波束参数包括如下中的至少一种：波束增益；波束宽度。
根据波束参数的不同，步骤202可实现为如下三种实现方式中的一种：
实现方式一：以波束参数包括波束增益为例，步骤202可实现为：基于监听波束和发送波束的波束增益确定第一调整量。
可选的，以第一调整量是Δ为例，基于监听波束和发送波束的波束增益确定的第一调整量可表示为：Δ＝RxBF-TxBF。其中，RxBF用于指示监听波束的波束增益，TxBF用于指示发送波束的波束增益。
实现方式二：以波束参数包括波束宽度为例，步骤202可实现为：基于监听波束和发送波束的波束宽度确定第一调整量。
可选的，波束宽度表示为XdB，X为任意实数，XdB波束宽度表示波束增益比波束增益峰值下降XdB时对应的波束宽度。以X＝3，第一调整量是Δ为例，基于监听波束和发送波束的波束宽度确定的第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/θ 3dB,trans)。其中，θ 3dB,sensing表示监听波束的3dB波束宽度，θ 3dB,trans表示发送波束的3dB波束宽度。示例性的，该实施例中的3dB波束宽度可替换为XdB波束宽度，X为任意实数。
实现方式三：以波束参数包括波束增益和波束宽度为例，步骤202可实现为：基于监听波束和发送波束的波束增益和波束宽度确定第一调整量。
可选的，以第一调整量是Δ为例，基于波束增益和波束宽度确定的第一调整量可表示为：Δ＝(RxBF-TxBF)+10·log 10(θ 3dB,sensing/θ 3dB,trans)。
通信设备在获取到监听波束和发送波束的波束参数后，可确定第一调整量的取值。其中，第一调整量的取值不大于0。
可选的，监听波束和发送波束的波束参数相同，第一调整量等于0；或者，监听波束和发送波束是同一个波束，第一调整量等于0。比如，监听波束和发送波束的波束增益相同，或者，监听波束和发送波束的波束宽度相同。
可选的，监听波束的波束参数小于发送波束的波束参数，第一调整量小于0。比如，监听波束的波束增益小于发送波束的波束增益，或者，监听波束的波束宽度小于发送波束的波束宽度。
可选的，在监听波束的波束参数大于发送波束的波束参数的情况下，第一调整量为0。比如，监听波束的波束增益大于发送波束的波束增益，或者，监听波束的波束宽度大于发送波束的波束宽度。
以波束参数包括波束增益为例，基于监听波束和发送波束的波束增益确定的第一调整量可表示为：Δ＝RxBF-TxBF，第一调整量的取值有如下几种情况：
情况一：监听波束和发送波束的波束增益相同，则Δ＝0；
情况二：监听波束和发送波束是同一个波束，则Δ＝0；
情况三：监听波束的波束参数小于发送波束的波束参数，则Δ＜0；
情况四：在监听波束的波束参数大于发送波束的波束参数的情况下，将第一调整量限制为0，则Δ＝0。
波束参数包括波束宽度的示例与上述内容类似，可作参考，不再赘述。
步骤204：根据第一调整量确定EDT。
其中，EDT根据射频发送功率、射频发送功率限制和第一调整量确定。通信设备在确定第一调整量的取值后，可结合射频发送功率、射频发送功率限制计算得到EDT。
示例性的，EDT的计算公式如下所示：
EDT＝-80dBm+10×log 10(Operating Channel BW(MHz))+10×log 10(P max/P out)+Δ。
其中，P out为射频发送功率，P max为射频发送功率限制，Δ为第一调整量，Operating channel BW为工作信道带宽。
根据步骤202，通信设备基于监听波束和发送波束的波束参数确定第一调整量的取值后，可根据上述计算公式确定EDT的取值。
可选的，在监听波束的波束参数大于发送波束的波束参数的情况下，将第一调整量限制为0，本申请实施例提供的方法还包括如下步骤：
根据LBT中检测到的能量与第二调整量确定LBT成功或者失败，第二调整量是监听波束的波束参数和发送波束的波束参数的差值。
其中，第二调整量是对LBT中检测到的能量的调整，以满足通信设备对于实际需要的门限的判定。
可选的，在LBT中检测到的能量与第二调整量的差值小于或等于EDT的情况下，确定LBT成功；在LBT中检测到的能量与第二调整量的差值大于EDT的情况下，确定LBT失败。
示例性的，通信设备根据第一调整量确定EDT；随后，通信设备将LBT中检测到的能量减去第二调整量，将得到的数值与EDT进行比较，以确定LBT成功或者失败。
比如，通信设备根据监听波束的波束增益和发送波束的波束增益，确定监听波束的波束增益和发送波束的波束增益的差值为10dBm。若第一调整量大于0，使得EDT增加，将导致LBT成功的概率增加，从而弱化了信道监听的作用，不符合非授权频段的设计原则，且提高原有的EDT将违反法规要求，因此，将第一调整量限制为0。
随后，通信设备确定EDT的取值为-47dBm，第二调整量为10dBm。
为确定LBT的成功或者失败，通信设备获取LBT中检测到的能量，将其减去第二调整量以便与EDT进行比较。比如，LBT中检测到的能量减去第二调整量得到的差值为-50dBm，由于-50dBm小于-47dBm，则通信设备确定LBT成功；又如，LBT中检测到的能量减去第二调整量得到的差值为-37dBm，由于-37dBm大于-47dBm，则通信设备确定LBT失败。
综上所述，本申请实施例提供了一种EDT的确定方法，根据监听波束和发送波束的波束参数确定第一调整量，随后根据第一调整量确定EDT，从而考虑了监听波束和发送波束之间的差距对EDT的取值的影响。
可选的，第一调整量的取值不大于0，以避免EDT的提高而导致信道监听的作用被弱化。可选的，在监听波束的波束参数大于发送波束的波束参数的情况下，将第一调整量限制为0，通信设备可根据LBT中检测到的能量与第二调整量确定LBT成功或者失败。
以第一调整量根据监听波束的波束参数来确定为例，图3示出了本申请一个示例性实施例提供的EDT的确定方法的流程图，该方法应用于通信设备。可选的，通信设备包括终端设备和网络设备中的至少一种。本申请实施例提供的EDT的确定方法包括如下步骤：
步骤302：基于监听波束的波束参数确定第一调整量。
其中，波束参数包括如下中的至少一种：波束增益；波束宽度。
根据波束参数的不同，步骤202可实现为如下三种实现方式中的一种：
实现方式一：以波束参数包括波束增益为例，步骤202可实现为：基于监听波束的波束增益确定第一调整量。
可选的，以第一调整量是Δ为例，基于监听波束的波束增益确定的第一调整量可表示为：Δ＝RxBF。其中，RxBF用于指示监听波束的波束增益。
实现方式二：以波束参数包括波束宽度为例，步骤202可实现为：基于监听波束的波束宽度确定第一调整量。
可选的，波束宽度可表示为XdB，X为任意实数，XdB波束宽度表示波束增益比波束增 益峰值下降XdB时对应的波束宽度。以X＝3，第一调整量是Δ为例，基于监听波束的波束宽度确定的第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/2π)。其中，θ 3dB,sensing表示监听波束的3dB波束宽度，2π表示全向监听的波束宽度。示例性的，该实施例中的3dB波束宽度可替换为XdB波束宽度，X为任意实数。
通信设备在获取到监听波束的波束参数后，可确定第一调整量的取值。其中，第一调整量的取值不大于0。
可选的，在监听波束的波束参数大于0的情况下，第一调整量为0。比如，监听波束的波束增益大于0，或者，监听波束的波束宽度大于0。
以波束参数包括波束增益为例，基于监听波束的波束增益确定的第一调整量可表示为：Δ＝RxBF，在监听波束的波束增益大于0的情况下，限制第一调整量为0，则Δ＝0。
可选的，在第一调整量包括监听波束的波束增益的情况下，若监听波束为全向波束，则第一调整量为0；或者，若监听波束的波束增益为0，则第一调整量为0。
以波束参数包括波束宽度为例，基于监听波束的波束宽度确定的第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/2π)，在监听波束的波束宽度大于0的情况下，限制第一调整量为0，则Δ＝0。
可选的，在第一调整量包括监听波束的波束宽度的情况下，第一调整量包括监听波束的波束宽度和2π之间的比值。其中，2π为全向监听的波束宽度，此时Δ≤0。
步骤304：根据第一调整量确定EDT。
其中，EDT根据射频发送功率、射频发送功率限制和第一调整量确定。通信设备在确定第一调整量的取值后，可结合射频发送功率、射频发送功率限制计算得到EDT。
示例性的，EDT的计算公式如下所示：
EDT＝-80dBm+10×log 10(Operating Channel BW(MHz))+10×log 10(P max/P out)+Δ。
其中，P out为射频发送功率，P max为射频发送功率限制，Δ为第一调整量，Operating channel BW为工作信道带宽。
根据步骤302，通信设备基于监听波束的波束参数确定第一调整量的取值后，根据上述计算公式确定EDT的取值。
可选的，在监听波束的波束参数大于0的情况下，将第一调整量限制为0，本申请实施例提供的方法还包括如下步骤：
根据LBT中检测到的能量与第二调整量确定LBT成功或者失败，第二调整量是监听波束的波束参数。
其中，第二调整量是对LBT中检测到的能量的调整，以满足通信设备对于实际需要的门限的判定。
可选的，在LBT中检测到的能量与第二调整量的差值小于或等于EDT的情况下，确定LBT成功；在LBT中检测到的能量与第二调整量的差值大于EDT的情况下，确定LBT失败。
示例性的，通信设备根据第一调整量确定EDT；随后，通信设备将LBT中检测到的能量减去第二调整量，将得到的数值与EDT进行比较，以确定LBT成功或者失败。
比如，通信设备基于监听波束的波束宽度确定第二调整量为10dBm，将第一调整量限制为0；随后，通信设备确定EDT的取值为-47dBm。其中，LBT的成功或者失败的确定过程可参考前述内容，不再赘述。
综上所述，本申请实施例提供了一种EDT的确定方法，根据监听波束的波束参数确定第一调整量，随后根据第一调整量确定EDT，从而考虑了监听波束对EDT的取值的影响。
可选的，第一调整量的取值不大于0，以避免EDT的提高而导致信道监听的作用被弱化。可选的，在监听波束的波束参数大于0的情况下，将第一调整量限制为0，通信设备可根据LBT中检测到的能量与第二调整量确定LBT成功或者失败。
为进一步调整波束参数对EDT的影响，本申请实施例提供的EDT的确定方法中，第一调整量还包括缩放因子，缩放因子用于调整波束参数对EDT的影响强度。其中，波束参数包括波束增益和波束宽度中的至少一种。
可选的，缩放因子的取值在0到1之间。
示例性的，以波束增益对应的缩放因子是α，波束宽度对应的缩放因子是β，0≤α≤1，0≤β≤1。
其中，α＝0表示不考虑波束增益对于EDT的影响，β＝0表示不考虑波束宽度对于EDT的影响；0<α<1表示弱化波束增益对EDT的影响，0<β<1表示弱化波束宽度对EDT的影响；α＝1表示将波束增益对EDT的影响最大化，β＝1表示将波束宽度对EDT的影响最大化。
以第一调整量是Δ为例，基于不同的波束参数，第一调整量有如下几种可选的表达方式：
基于监听波束和发送波束的波束增益确定的第一调整量可表示为：Δ＝α·(RxBF-TxBF)；基于监听波束的波束增益确定的第一调整量可表示为：Δ＝α·RxBF。其中，RxBF用于指示监听波束的波束增益，TxBF用于指示发送波束的波束增益，0≤α≤1。
可选的，波束宽度可表示为XdB，X为任意实数，XdB波束宽度表示波束增益比波束增益峰值下降XdB时对应的波束宽度。以X＝3为例，基于监听波束和发送波束的波束宽度确定的第一调整量可表示为：Δ＝β·10·log 10(θ 3dB,sensing/θ 3dB,trans)；基于监听波束的波束宽度确定的第一调整量可表示为：Δ＝β·10·log 10(θ 3dB,sensing/2π)。其中，θ 3dB,sensing表示监听波束的3dB波束宽度，θ 3dB,trans表示发送波束的3dB波束宽度，2π为全向监听的波束宽度，0≤β≤1。示例性的，该实施例中的3dB波束宽度可替换为XdB波束宽度，X为任意实数。
基于波束增益和波束宽度确定的第一调整量可表示为：
Δ＝α·(RxBF-TxBF)+β·10·log 10(θ 3dB,sensing/θ 3dB,trans)。
可选的，参考图4和图5，缩放因子有如下两种不同的确定方式：
图4示出了本申请一个示例性实施例提供的EDT的确定方法的流程图，该方法应用于通信设备。可选的，通信设备包括终端设备和网络设备中的至少一种。本申请实施例提供的EDT的确定方法包括如下步骤：
步骤402：根据监听波束和发送波束的对应性确定缩放因子。
示意性的，缩放因子用于调整波束参数对EDT的影响强度。其中，波束参数包括如下中的至少一种：波束增益；波束宽度。
缩放因子的相关阐述可参考前文，不再赘述。
通信设备在获取到监听波束和发送波束后，可根据二者的对应性确定所要使用的缩放因子。以通信设备包括终端设备和网络设备为例，终端设备和网络设备可分别根据监听波束和发送波束的对应性确定α，从而调整监听波束的波束增益和发送波束的波束增益之间的差距 对于EDT的影响；或者，终端设备和网络设备可分别根据监听波束和发送波束的对应性确定β，从而调整监听波束的波束宽度和发送波束的波束宽度之间的差距对于EDT的影响。
步骤404：确定EDT。
示意性的，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。其中，步骤404与步骤102相同，可作参考，不再赘述。
图5示出了本申请一个示例性实施例提供的EDT的确定方法的流程图，该方法应用于通信设备。可选的，通信设备包括终端设备和网络设备。本申请实施例提供的EDT的确定方法包括如下步骤：
步骤501：网络设备确定缩放因子，将缩放因子发送给终端设备。
示意性的，缩放因子用于调整波束参数对EDT的影响强度。其中，波束参数包括如下中的至少一种：波束增益；波束宽度。
缩放因子的相关阐述可参考前文，不再赘述。
示例性的，网络设备在获取到监听波束和发送波束后，可根据二者的对应性确定所要使用的缩放因子，随后将其发送给终端设备。
步骤502：终端设备接收网络设备发送的缩放因子。
示意性的，缩放因子用于调整波束参数对EDT的影响强度。其中，波束参数包括如下中的至少一种：波束增益；波束宽度。
缩放因子的相关阐述可参考前文，不再赘述。
示例性的，缩放因子是网络设备根据监听波束和发送波束的对应性确定的，以保证网络设备和终端设备对于EDT中包括的第一调整量的理解一致。比如，网络设备确定α后，将其发送给终端设备，以保证网络设备和终端设备对于波束增益对EDT的影响的理解一致。
步骤5031：网络设备确定EDT。
示意性的，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。其中，步骤5031由网络设备执行，与步骤102相同，可作参考，不再赘述。
步骤5032：终端设备确定EDT。
示意性的，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。其中，步骤5032由终端设备执行，与步骤102相同，可作参考，不再赘述。
步骤5031和步骤5032可执行其一，也可全部执行，其执行顺序不受限制。
示意性的，本申请实施例中，终端设备一侧的步骤可单独成为应用于终端设备中的EDT的确定方法的一个实施例，网络设备一侧的步骤可单独成为应用于网络设备中的EDT的确定方法的一个实施例，EDT的确定方法的步骤的具体阐释可参考上述内容，不再赘述。
示意性的，上述内容中给出的实施例均可组合实施，不再赘述。
综上所述，本申请实施例提供了EDT的确定方法中，第一调整量中还包括缩放因子，用于调整波束参数对EDT的影响强度。可选的，缩放因子的取值在0至1之间。
同时，本申请实施例还给出了确定缩放因子的两种可选的实现方式：通信设备可根据监听波束和发送波束的对应性确定缩放因子；或者，网络设备在确定缩放因子后，将其发送给终端设备。
以下以通信设备是LBT网络设备为例，分别给出三种可选的EDT的确定方法。
以EDT使用如下公式计算为例：
EDT＝-80dBm+10×log 10(Operating Channel BW(MHz))+10×log 10(P max/P out)+Δ。
其中，P out为射频发送功率，P max为射频发送功率限制，Δ为第一调整量，Operating channel BW为工作信道带宽。
基于上述计算公式，三种EDT的确定方法如下所示：
确定方法一：基于波束增益确定第一调整量。
参考图6，LBT网络设备的发送波束的EIRP为发射功率和发送波束增益的和，其中，发射功率用TxP表示，发送波束的波束增益用TxBF表示。示意性的，LBT网络设备还需要考虑接收波束的波束增益，接收波束的波束增益用RxBF表示。其中，波束增益的单位为dBi。
可选的，第一调整量不大于0。
以第一调整量是Δ为例，第一调整量的确定可分为如下几种情况中的一种：
情况一：基于发送波束确定第一调整量。
此时，Δ＝0。
可选的，发送波束和监听波束是同一个波束，或者发送波束的波束增益和监听波束的波束增益相同。其中，前者可看作是后者的特殊情况。
情况二：基于监听波束的波束增益和发送波束的波束增益确定第一调整量。
此时，第一调整量可表示为：Δ＝RxBF-TxBF。
可选的，监听波束的波束增益等于发送波束的波束增益时，RxBF＝TxBF，第一调整量Δ＝0。
可选的，监听波束的波束增益小于发送波束的波束增益时，RxBF<TxBF，第一调整量Δ<0。此时，增加了第一调整量的EDT相对于未增加第一调整量的EDT有所降低。监听波束的波束增益低于发送波束的波束增益，将导致波束增益对LBT过程中检测能量的增强要弱于数据发送过程中发送信号能量的增强，因此需要降低EDT的取值，以缓解监听波束的波束增益和发送波束的波束增益之间的差距的影响。
可选的，监听波束的波束增益大于发送波束的波束增益时，RxBF>TxBF，限制第一调整量Δ＝0，维持增加了第一调整量的EDT与未增加第一调整量的EDT相同。在监听波束的波束增益高于发送波束的波束增益的情况下，若第一调整量大于0，即增加EDT将导致LBT成功的概率增加，弱化了信道监听的作用，不符合非授权频段的设计原则，且提高EDT将违反法规要求。
可选的，RxBF>TxBF时，考虑监听波束的波束增益与发送波束的波束增益之间的差距对于EDT的影响，通信设备可将LBT过程中检测到的能量减去第二调整量后与增加了第一调整量(此时的第一调整量为0)的EDT比较，最后决定LBT成功/失败。
其中，第二调整量是监听波束的波束增益与发送波束的波束增益的差值。
可选的，在LBT中检测到的能量与第二调整量的差值小于或等于EDT的情况下，确定LBT成功；在LBT中检测到的能量与第二调整量的差值大于EDT的情况下，确定LBT失败。
情况三：基于全向监听确定第一调整量。
此时，第一调整量可表示为：Δ＝RxBF。
可选的，监听波束为全向波束，或者，监听波束的波束增益等于0。其中，前者可看作是后者的特殊情况。
由于监听波束的波束增益始终不小于0，根据前述内容，增加了第一调整量的EDT相对于未增加第一调整量的EDT不能提高取值。可选的，基于全向监听确定第一调整量的情况下，Δ＝0。
可选的，RxBF>0的情况下，考虑监听波束的波束增益对于EDT的影响，通信设备可将LBT过程中检测到的能量减去第二调整量后，将所得到的值与增加了第一调整量(此时的第一调整量为0)的EDT比较，最后决定LBT成功/失败。
其中，第二调整量是监听波束的波束增益。
可选的，在LBT中检测到的能量与第二调整量的差值小于或等于EDT的情况下，确定LBT成功；在LBT中检测到的能量与第二调整量的差值大于EDT的情况下，确定LBT失败。
根据前述内容，第一调整量中还可以增加缩放因子。
以波束增益的缩放因子是α为例，基于监听波束和发送波束的波束增益确定的第一调整 量可表示为：Δ＝α·(RxBF-TxBF)；基于监听波束的波束增益确定的第一调整量可表示为：Δ＝α·RxBF。
其中，0≤α≤1。
若α＝0，则第一调整量Δ＝0，表示不考虑监听波束的波束增益与发送波束的波束增益之间的差距对于EDT的影响。
若α＝1，则第一调整量回到Δ＝RxBF-TxBF，表示EDT的调整由监听波束的波束增益与发送波束的波束增益之间的差距决定。
若0<α<1，表示弱化监听的波束增益与发送波束的波束增益之间的差距对EDT的影响。
可选的，通信设备可根据监听波束与发送波束的对应性确定缩放因子α，以调整监听波束的波束增益与发送波束的波束增益之间的差距对于EDT的影响。或者，网络设备在确定缩放因子α后通知给终端设备，保证网络设备和终端设备对于EDT第一调整量Δ的理解的一致性。
确定方法二：基于波束宽度确定第一调整量。
监听波束和发送波束的波束宽度同样可能存在差异，从而对于波束检测到的能力造成影响。比如，当监听波束宽度小于发送波束宽度时，监听波束检测到的能量范围与发送波束辐射的能量范围是不一致的。
参考图7和图8，以通信设备是LBT网络设备为例，在基于波束的通信场景中，波束增益在峰值方向达到最大，同时沿两侧逐渐减小。其中，3dB波束宽度用于表示波束增益比波束增益峰值下降3dB时对应的波束宽度。示例性的，该实施例中的3dB波束宽度可替换为X dB波束宽度，X为任意实数，以下均以3dB波束宽度为例，不再赘述。
可选的，第一调整量不大于0。
以第一调整量是Δ为例，第一调整量的确定可分为如下几种情况中的一种：
情况一：基于发送波束确定第一调整量。
此时，Δ＝0。
可选的，发送波束和监听波束是同一个波束，或者发送波束的波束宽度和监听波束的波束宽度相同。其中，前者可看作是后者的特殊情况。
情况二：基于监听波束的波束宽度和发送波束的波束宽度确定第一调整量。
此时，第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/θ 3dB,trans)。
其中，θ 3dB,sensing表示监听波束的3dB波束宽度，θ 3dB,trans表示发送波束的3dB波束宽度。
可选的，监听波束的波束宽度等于发送波束的波束宽度时，θ 3dB,sensing＝θ 3dB,trans，第一调整量Δ＝0。
可选的，监听波束的波束宽度小于发送波束的波束宽度时，θ 3dB,sensing<θ 3dB,trans，第一调整量Δ<0。此时，增加了第一调整量的EDT相对于未增加第一调整量的EDT有所降低。监听波束的波束宽度低于发送波束的波束宽度，将导致波束宽度对LBT过程中检测能量的范围要低于数据发送过程中发送信号辐射的范围，因此需要降低EDT的取值，以缓解监听波束的波束宽度和发送波束的波束宽度之间的差距的影响。
可选的，监听波束的波束宽度大于发送波束的波束宽度时，θ 3dB,sensing>θ 3dB,trans，限制第一调整量Δ＝0，维持增加了第一调整量的EDT与未增加第一调整量的EDT相同。在监听波 束的波束宽度高于发送波束的波束宽度的情况下，若第一调整量大于0，即增加EDT将导致LBT成功的概率增加，弱化了信道监听的作用，不符合非授权频段的设计原则，且提高EDT将违反法规要求。
可选的，θ 3dB,sensing>θ 3dB,trans时，考虑监听波束的波束宽度与发送波束的波束宽度之间的差距对于EDT的影响，通信设备可将LBT过程中检测到的能量减去第二调整量后与增加了第一调整量(此时的第一调整量为0)的EDT比较，最后决定LBT成功/失败。
其中，第二调整量是监听波束的波束宽度与发送波束的波束宽度的差值。
可选的，在LBT中检测到的能量与第二调整量的差值小于或等于EDT的情况下，确定LBT成功；在LBT中检测到的能量与第二调整量的差值大于EDT的情况下，确定LBT失败。
情况三：基于全向监听确定第一调整量。
此时，第一调整量可表示为：Δ＝10·log 10(θ 3dB,sensing/2π)。
其中，θ 3dB,sensing表示监听波束的3dB波束宽度，2π为全向监听的波束宽度。此时，第一调整量由监听波束的3dB波束宽度决定，且始终有第一调整量Δ≤0。
根据前述内容，第一调整量中还可以增加缩放因子。
以波束宽度的缩放因子是α为例，基于监听波束和发送波束的波束宽度确定的第一调整量可表示为：Δ＝β·10·log 10(θ 3dB,sensing/θ 3dB,trans)；基于监听波束的波束宽度确定的第一调整量可表示为：Δ＝β·10·log 10(θ 3dB,sensing/2π）。
其中0≤β≤1。
若β＝0，则第一调整量Δ＝0，表示不考虑监听波束的波束宽度与发送波束的波束宽度之间的差距对于EDT的影响。
若β＝1，则EDT的调整由监听波束的波束宽度与发送波束的波束宽度之间的差距决定。
若0<β<1，表示弱化监听的波束宽度与发送波束的波束宽度之间的差距对EDT的影响。
可选的，通信设备可根据监听波束与发送波束的对应性确定缩放因子β，以调整监听波束的波束宽度与发送波束的波束宽度之间的差距对于EDT的影响。或者，网络设备在确定缩放因子β后通知给终端设备，保证网络设备和终端设备对于EDT第一调整量Δ的理解的一致性。
确定方法三：基于波束增益和波束宽度确定第一调整量。
可选的，第一调整量不大于0。
示例性的，第一调整量可表示为：
Δ＝(RxBF-TxBF)+10·log 10(θ 3dB,sensing/θ 3dB,trans)。
根据前述内容，第一调整量中还可以增加缩放因子。以波束增益的缩放因子是α，波束宽度的缩放因子是β为例，基于波束增益和波束宽度确定的第一调整量可表示为：Δ＝α·(RxBF-TxBF)+β·10·log 10(θ 3dB,sensing/θ 3dB,trans)。
其中，波束增益、波束宽度、缩放因子对于第一调整量的影响可参考前述内容，不再赘述。
可选的，α＝β。
参考图9，以LBT网络设备1和LBT网络设备2为例，根据监听波束和发送波束的波束参数，对两个网络设备确定的EDT进行如下对比：
可选的，监听波束与发送波束的增益差距相同，即RxBF-TxBF均为0，LBT网络设备1的发送波束的波束宽度大于监听波束的波束宽度，LBT网络设备2的发送波束的波束宽度等于监听波束的波束宽度。
此时，LBT网络设备1和网络设备2分别确定的EDT不同。可选的，根据前述内容给出的第一调整量的计算公式，LBT网络设备1确定的EDT更低。
可选的，监听波束与发送波束的波束宽度相同，即均有θ 3dB,sensing＝θ 3dB,trans，LBT网络设备1的发送波束的波束增益大于监听波束的波束增益，LBT网络设备2的发送波束的波束增益等于监听波束的波束增益。
此时，LBT网络设备1和网络设备2分别确定的EDT不同。可选的，根据前述内容给出的第一调整量的计算公式，LBT网络设备1确定的EDT更低。
可选的，通信设备可根据监听波束与发送波束的对应性确定缩放因子α和β，以调整波束增益和波束宽度对于EDT的影响。或者，网络设备在确定缩放因子α和β后通知给终端设备，保证网络设备和终端设备对于EDT第一调整量Δ的理解的一致性。
综上所述，本申请实施例考虑波束增益和/或波束宽度对于EDT的影响，给出了三种可选的EDT的确定方法，并示例性地给出了第一调整量的计算公式，通过不同的第一调整量的计算，使得EDT的取值有所不同。
以下为本申请的装置实施例，对于装置实施例中未详细描述的细节，可以结合参考上述方法实施例中相应的记载，本文不再赘述。
图10是本申请一个示例性实施例提供的能量检测门限的通信装置的示意图，该装置包括：
确定模块1020，用于确定EDT；
其中，EDT根据监听波束和发送波束确定，或者EDT根据监听波束确定。
可选的，EDT根据射频发送功率、射频发送功率限制和第一调整量确定；其中，第一调整量是基于监听波束和发送波束的波束参数确定的，或者，第一调整量是基于监听波束的波束参数确定的。
可选的，确定模块1020，用于基于监听波束和发送波束的波束参数确定第一调整量；根据第一调整量确定EDT。
可选的，监听波束和发送波束的波束参数相同，第一调整量等于0；或者，监听波束和发送波束是同一个波束，第一调整量等于0。
可选的，监听波束的波束参数小于发送波束的波束参数，第一调整量小于0。
可选的，在监听波束的波束参数大于发送波束的波束参数的情况下，第一调整量为0。
可选的，确定模块1020，用于基于监听波束的波束参数确定第一调整量；根据第一调整量确定EDT。
可选的，在监听波束的波束参数大于0的情况下，第一调整量为0。
可选的，确定模块1020，还用于根据LBT中检测到的能量与第二调整量确定先听后说LBT成功或者失败，第二调整量是监听波束的波束参数和发送波束的波束参数的差值，或者，第二调整量是监听波束的波束参数。
可选的，波束参数包括如下中的至少一种：波束增益；波束宽度。
可选的，波束参数包括波束增益，第一调整量包括：监听波束和发送波束的波束增益之 间的差值；或者，监听波束的波束增益。
可选的，波束参数包括波束宽度，第一调整量包括：监听波束和发送波束的波束宽度的比值；或者，监听波束的波束宽度。
可选的，第一调整量包括监听波束的波束宽度的情况下，第一调整量包括监听波束的波束宽度和2π之间的比值。
可选的，波束参数包括波束增益和波束宽度，第一调整量包括：监听波束和发送波束的波束增益之间的差值；监听波束和发送波束的波束宽度的比值。
可选的，第一调整量还包括缩放因子，缩放因子用于调整波束参数对EDT的影响强度。
可选的，缩放因子的取值在0到1之间。
可选的，确定模块1020，还用于根据监听波束和发送波束的对应性确定缩放因子。
可选的，确定模块1020，还用于确定缩放因子，将缩放因子发送给终端设备。
可选的，确定模块1020，还用于接收网络设备发送的缩放因子。
图11示出了本申请一个示例性实施例提供的通信设备(终端设备或网络设备)的结构示意图，该通信设备包括：处理器101、接收器102、发射器103、存储器104和总线105。
处理器101包括一个或者一个以上处理核心，处理器101通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
接收器102和发射器103可以实现为一个通信组件，该通信组件可以是一块通信芯片。
存储器104通过总线105与处理器101相连。
存储器104可用于存储至少一个指令，处理器101用于执行该至少一个指令，以实现上述方法实施例中提到的能量检测门限的确定方法的各个步骤。
此外，存储器104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，易失性或非易失性存储设备包括但不限于：磁盘或光盘，电可擦除可编程只读存储器(Electrically-Erasable Programmable Read Only Memory，EEPROM)，可擦除可编程只读存储器(Erasable Programmable Read Only Memory，EPROM)，静态随时存取存储器(Static Random Access Memory，SRAM)，只读存储器(Read-Only Memory，ROM)，磁存储器，快闪存储器，可编程只读存储器(Programmable Read-Only Memory，PROM)。
本申请实施例还提供了一种网络设备，网络设备包括处理器；处理器，用于确定EDT；其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
本申请实施例还提供了一种终端设备，终端设备包括处理器；处理器，用于确定EDT；其中，EDT根据监听波束和发送波束确定，或者，EDT根据监听波束确定。
本申请实施例还提供了一种计算机可读存储介质，该存储介质中存储有计算机程序，计算机程序用于被处理器执行，以实现如上所述的能量检测门限的确定方法。
本申请实施例还提供了一种芯片，该芯片芯片包括可编程逻辑电路和/或程序指令，当芯片运行时，用于实现如上述所述的能量检测门限的确定方法。
本申请实施例还提供了一种计算机程序产品或计算机程序，计算机程序产品或计算机程序包括计算机指令，计算机指令存储在计算机可读存储介质中，处理器从计算机可读存储介质读取并执行计算机指令，以实现如上所述的能量检测门限的确定方法。
以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (43)

  1. 一种能量检测门限的确定方法，其特征在于，应用于通信设备，所述方法包括：
    确定能量检测门限EDT；
    其中，所述EDT根据监听波束和发送波束确定，或者，所述EDT根据所述监听波束确定。
  2. 根据权利要求1所述的方法，其特征在于，
    所述EDT根据射频发送功率、射频发送功率限制和第一调整量确定；
    其中，所述第一调整量是基于所述监听波束和所述发送波束的波束参数确定的，或者，所述第一调整量是基于所述监听波束的波束参数确定的。
  3. 根据权利要求2所述的方法，其特征在于，所述确定能量检测门限EDT包括：
    基于所述监听波束和所述发送波束的波束参数确定所述第一调整量；
    根据所述第一调整量确定所述EDT。
  4. 根据权利要求3所述的方法，其特征在于，
    所述监听波束和所述发送波束的波束参数相同，所述第一调整量等于0；
    或者，所述监听波束和所述发送波束是同一个波束，所述第一调整量等于0。
  5. 根据权利要求3所述的方法，其特征在于，所述监听波束的波束参数小于所述发送波束的波束参数，所述第一调整量小于0。
  6. 根据权利要求3所述的方法，其特征在于，在所述监听波束的波束参数大于所述发送波束的波束参数的情况下，所述第一调整量为0。
  7. 根据权利要求2所述的方法，其特征在于，所述确定能量检测门限EDT包括：
    基于所述监听波束的波束参数确定所述第一调整量；
    根据所述第一调整量确定所述EDT。
  8. 根据权利要求7所述的方法，其特征在于，在所述监听波束的波束参数大于0的情况下，所述第一调整量为0。
  9. 根据权利要求6或8所述的方法，其特征在于，所述方法还包括：
    根据所述LBT中检测到的能量与第二调整量确定先听后说LBT成功或者失败，所述第二调整量是所述监听波束的波束参数和所述发送波束的波束参数的差值，或者，所述第二调整量是所述监听波束的波束参数。
  10. 根据权利要求2至9任一所述的方法，其特征在于，所述波束参数包括如下中的至少一种：
    波束增益；
    波束宽度。
  11. 根据权利要求10所述的方法，其特征在于，所述波束参数包括所述波束增益，所述第一调整量包括：
    所述监听波束和所述发送波束的波束增益之间的差值；
    或者，所述监听波束的波束增益。
  12. 根据权利要求10所述的方法，其特征在于，所述波束参数包括所述波束宽度，所述第一调整量包括：
    所述监听波束和所述发送波束的波束宽度的比值；
    或者，所述监听波束的波束宽度。
  13. 根据权利要求12所述的方法，其特征在于，
    所述第一调整量包括所述监听波束的波束宽度的情况下，所述第一调整量包括所述监听波束的波束宽度和2π之间的比值。
  14. 根据权利要求10所述的方法，其特征在于，所述波束参数包括所述波束增益和所述波束宽度，所述第一调整量包括：
    所述监听波束和所述发送波束的波束增益之间的差值；
    所述监听波束和所述发送波束的波束宽度的比值。
  15. 根据权利要求2所述的方法，其特征在于，所述第一调整量还包括缩放因子，所述缩放因子用于调整所述波束参数对所述EDT的影响强度。
  16. 根据权利要求15所述的方法，其特征在于，所述缩放因子的取值在0到1之间。
  17. 根据权利要求15所述的方法，其特征在于，所述方法还包括：
    根据所述监听波束和所述发送波束的对应性确定所述缩放因子。
  18. 根据权利要求15所述的方法，其特征在于，所述通信设备包括网络设备，所述方法还包括：
    确定所述缩放因子，将所述缩放因子发送给终端设备。
  19. 根据权利要求15所述的方法，其特征在于，所述通信设备包括终端设备，所述方法还包括：
    接收网络设备发送的所述缩放因子。
  20. 一种能量检测门限的通信装置，其特征在于，所述装置包括：
    确定模块，用于确定能量检测门限EDT；
    其中，所述EDT根据监听波束和发送波束确定，或者，所述EDT根据所述监听波束确定。
  21. 根据权利要求20所述的装置，其特征在于，
    所述EDT根据射频发送功率、射频发送功率限制和第一调整量确定；
    其中，所述第一调整量是基于所述监听波束和所述发送波束的波束参数确定的，或者，所述第一调整量是基于所述监听波束的波束参数确定的。
  22. 根据权利要求21所述的装置，其特征在于，
    所述确定模块，用于基于所述监听波束和所述发送波束的波束参数确定所述第一调整量；根据所述第一调整量确定所述EDT。
  23. 根据权利要求22所述的装置，其特征在于，
    所述监听波束和所述发送波束的波束参数相同，所述第一调整量等于0；
    或者，所述监听波束和所述发送波束是同一个波束，所述第一调整量等于0。
  24. 根据权利要求22所述的装置，其特征在于，所述监听波束的波束参数小于所述发送波束的波束参数，所述第一调整量小于0。
  25. 根据权利要求22所述的装置，其特征在于，在所述监听波束的波束参数大于所述发送波束的波束参数的情况下，所述第一调整量为0。
  26. 根据权利要求21所述的装置，其特征在于，
    所述确定模块，用于基于所述监听波束的波束参数确定所述第一调整量；根据所述第一 调整量确定所述EDT。
  27. 根据权利要求26所述的装置，其特征在于，在所述监听波束的波束参数大于0的情况下，所述第一调整量为0。
  28. 根据权利要求25或27所述的装置，其特征在于，
    所述确定模块，还用于根据所述LBT中检测到的能量与第二调整量确定先听后说LBT成功或者失败，所述第二调整量是所述监听波束的波束参数和所述发送波束的波束参数的差值，或者，所述第二调整量是所述监听波束的波束参数。
  29. 根据权利要求21至28任一所述的装置，其特征在于，所述波束参数包括如下中的至少一种：
    波束增益；
    波束宽度。
  30. 根据权利要求29所述的装置，其特征在于，所述波束参数包括所述波束增益，所述第一调整量包括：
    所述监听波束和所述发送波束的波束增益之间的差值；
    或者，所述监听波束的波束增益。
  31. 根据权利要求29所述的装置，其特征在于，所述波束参数包括所述波束宽度，所述第一调整量包括：
    所述监听波束和所述发送波束的波束宽度的比值；
    或者，所述监听波束的波束宽度。
  32. 根据权利要求31所述的装置，其特征在于，
    所述第一调整量包括所述监听波束的波束宽度的情况下，所述第一调整量包括所述监听波束的波束宽度和2π之间的比值。
  33. 根据权利要求29所述的装置，其特征在于，所述波束参数包括所述波束增益和所述波束宽度，所述第一调整量包括：
    所述监听波束和所述发送波束的波束增益之间的差值；
    所述监听波束和所述发送波束的波束宽度的比值。
  34. 根据权利要求21所述的装置，其特征在于，所述第一调整量还包括缩放因子，所述缩放因子用于调整所述波束参数对所述EDT的影响强度。
  35. 根据权利要求34所述的装置，其特征在于，所述缩放因子的取值在0到1之间。
  36. 根据权利要求34所述的装置，其特征在于，
    所述确定模块，还用于根据所述监听波束和所述发送波束的对应性确定所述缩放因子。
  37. 根据权利要求34所述的装置，其特征在于，
    所述确定模块，还用于确定所述缩放因子，将所述缩放因子发送给终端设备。
  38. 根据权利要求34所述的装置，
    所述确定模块，还用于接收网络设备发送的所述缩放因子。
  39. 一种网络设备，其特征在于，所述网络设备包括处理器；
    所述处理器，用于确定能量检测门限EDT；
    其中，所述EDT根据监听波束和发送波束确定，或者，所述EDT根据所述监听波束确定。
  40. 一种终端设备，其特征在于，所述终端设备包括处理器；
    所述处理器，用于确定能量检测门限EDT；
    其中，所述EDT根据监听波束和发送波束确定，或者，所述EDT根据所述监听波束确定。
  41. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有计算机程序，所述计算机程序用于被处理器执行，以实现如权利要求1至19中任一项所述的能量检测门限的确定方法。
  42. 一种芯片，其特征在于，所述芯片包括可编程逻辑电路和/或程序指令，当所述芯片运行时，用于实现如权利要求1至19中任一项所述的能量检测门限的确定方法。
  43. 一种计算机程序产品或计算机程序，其特征在于，所述计算机程序产品或计算机程序包括计算机指令，所述计算机指令存储在计算机可读存储介质中，处理器从所述计算机可读存储介质读取并执行所述计算机指令，以实现如权利要求1至19中任一项所述的能量检测门限的确定方法。
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CN110651529A (zh) * 2017-05-30 2020-01-03 华为技术有限公司 用于定向接收和发送的lbt阈值设定的方法和系统
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CN110651529A (zh) * 2017-05-30 2020-01-03 华为技术有限公司 用于定向接收和发送的lbt阈值设定的方法和系统
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WO2019178776A1 (zh) * 2018-03-21 2019-09-26 Oppo广东移动通信有限公司 传输信息的方法和设备
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