WO2019029569A1 - Procédé de notification de phr, équipement associé et système - Google Patents

Procédé de notification de phr, équipement associé et système Download PDF

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Publication number
WO2019029569A1
WO2019029569A1 PCT/CN2018/099390 CN2018099390W WO2019029569A1 WO 2019029569 A1 WO2019029569 A1 WO 2019029569A1 CN 2018099390 W CN2018099390 W CN 2018099390W WO 2019029569 A1 WO2019029569 A1 WO 2019029569A1
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WO
WIPO (PCT)
Prior art keywords
phr
bwp
power
physical channel
uplink physical
Prior art date
Application number
PCT/CN2018/099390
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English (en)
Chinese (zh)
Inventor
吴昱民
Original Assignee
维沃移动通信有限公司
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Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2019029569A1 publication Critical patent/WO2019029569A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • 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
    • 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
    • H04W52/365—Power headroom reporting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a power headroom report (PHR) reporting method, related equipment, and system.
  • PHR power headroom report
  • the user terminal needs to report the PHR to the base station, where the PHR may include the maximum power that the user terminal can transmit on each cell, and the power margin after the user terminal sends the uplink control channel on each cell, on each cell.
  • the power headroom after the user terminal transmits the uplink data channel and the power headroom after the user terminal transmits the uplink sounding channel on each cell. It can be seen that the current user terminal performs PHR reporting at the cell level, so that the accuracy of the uplink power of the user terminal is relatively low.
  • Embodiments of the present disclosure provide a method, a related device, and a system for reporting a PHR.
  • an embodiment of the present disclosure provides a method for reporting a PHR, which is applied to a user terminal, and includes:
  • the PHR is reported to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • an embodiment of the present disclosure provides a method for reporting a PHR, including:
  • the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • an embodiment of the present disclosure provides a user terminal, including:
  • An obtaining module configured to acquire PHR configuration information of a bandwidth part BWP supported by the user terminal
  • the reporting module is configured to report a PHR to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • an embodiment of the present disclosure provides a base station, including:
  • a sending module configured to send, to the user terminal, PHR configuration information of the BWP supported by the user terminal;
  • the receiving module is configured to receive the PHR reported by the user terminal, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • an embodiment of the present disclosure provides a user terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is implemented by the processor to implement the present disclosure
  • an embodiment of the present disclosure provides a base station, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor to implement the implementation of the present disclosure.
  • the steps in the reporting method of the PHR on the base station side provided by the example.
  • an embodiment of the present disclosure provides a PHR reporting system, including a user terminal and a base station provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by a processor, the user terminal side provided by the embodiment of the present disclosure is implemented. The steps of the reporting method of the PHR.
  • an embodiment of the present disclosure provides a computer readable storage medium, where the computer program is stored, and when the computer program is executed by the processor, the PHR of the base station side provided by the embodiment of the present disclosure is implemented. The steps of the reporting method.
  • FIG. 1 is a structural diagram of a PHR reporting system according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for reporting a PHR according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of another method for reporting a PHR according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of another PHR reporting method according to an embodiment of the present disclosure.
  • FIG. 5 is a structural diagram of a user terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 1 is a structural diagram of a PHR reporting system according to an embodiment of the present disclosure.
  • the user terminal 11 and the base station 12 are included, where the user terminal 11 may be a UE (User Equipment).
  • the user terminal 11 can be a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a mobile Internet device (MID), or a wearable device.
  • PDA personal digital assistant
  • MID mobile Internet device
  • a terminal device such as a Wearable Device, it should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present disclosure.
  • the foregoing base station 12 may be a 5G base station (for example, gNB, 5G NR NB), or may be a 4G base station (for example, an eNB), or may be a 3G base station (for example, NB), etc., and it should be noted that, in the implementation of the present disclosure, The specific type of base station 12 is not limited in the example.
  • FIG. 2 is a flowchart of a method for reporting a PHR according to an embodiment of the present disclosure. The method is applied to a user terminal. As shown in FIG. 2, the method includes the following steps:
  • Step 201 Obtain PHR configuration information of the BWP supported by the user terminal.
  • the BWP supported by the user terminal may be one or more BWPs supported by the user terminal.
  • the user terminal may only support a relatively small working bandwidth (such as 5 MHz, 10 MHz, or 20 MHz, etc.), and one cell on the network side. It will support a relatively large bandwidth (such as 100MHz, 200MHz or 400MHz, etc.), so that the BWP supported by the above user terminal can be one or more BWPs in the bandwidth of the cell.
  • the foregoing acquisition may be sent by the receiving base station, or may be pre-defined by a protocol, or the user terminal may be pre-stored or the like.
  • the foregoing PHR configuration information may indicate a BWP that needs to report a power headroom and/or a maximum transmit power of the terminal, and may also indicate a trigger condition reported by the user terminal PHR, and may also indicate a content that the BWP needs to report, etc.
  • the disclosed embodiments are not limited.
  • Step 202 Report a PHR to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the power headroom and/or the maximum transmit power of the terminal may be represented by a power headroom or a maximum transmit power of the terminal, or a power headroom and a maximum transmit power of the terminal.
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information may be obtained, and the PHR may be generated and reported to the base station.
  • the BWP indicated by the PHR configuration information may be one or more BWPs supported by the user terminal.
  • the power headroom reported by each BWP and/or the maximum transmit power of the terminal may be reported in the same manner or in different manners.
  • the user terminal can upload the corresponding PHR for each BWP, so that the corresponding PHR can be reported in different BWPs, thereby achieving more accurate power control for each BWP, thereby saving The transmit power of the UE and improve the signal quality of the uplink transmission.
  • the embodiment of the present disclosure does not limit this.
  • power information of multiple BWPs may be reported by the same PHR.
  • the PHR configuration information of the bandwidth part BWP supported by the user terminal is obtained, and the PHR is reported to the base station according to the PHR configuration information, where the PHR includes the power balance of the BWP indicated by the PHR configuration information. And / or terminal maximum transmit power. In this way, the PHR is reported at the BWP level, so that the accuracy of the uplink power of the user terminal can be improved.
  • FIG. 3 is a flowchart of a method for reporting a PHR according to an embodiment of the present disclosure. The method is applied to a user terminal. As shown in FIG. 3, the method includes the following steps:
  • Step 301 Receive PHR configuration information of a BWP supported by the user terminal sent by the base station.
  • the base station can configure PHR configuration information for the user terminal, thereby improving the flexibility of the PHR configuration information.
  • the step 301 is optional, and the step 301 is to be used to obtain the PHR configuration information of the BWP supported by the user terminal, for example, obtaining the PHR configuration information of the BWP supported by the user terminal.
  • the PHR configuration information that is obtained by the protocol may be obtained by acquiring pre-stored PHR configuration information.
  • the foregoing PHR configuration information can be obtained through a protocol, so that signaling transmission overhead before the user terminal and the base station can be reduced.
  • step 301 can also be directly replaced with obtaining PHR configuration information of the BWP supported by the user terminal.
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR may be related to the PHR reporting by the user terminal, for example, a timer or a reporting threshold, etc., that is, the reporting configuration indicates, under which conditions the user terminal performs PHR reporting, thereby improving the PRR reporting of the user terminal. Performance.
  • the signaling format of the PHR may be the content that the PHR needs to include in the user terminal, that is, the signaling format indicates the power information that the user terminal needs to report, thereby improving the accuracy of reporting the PRR of the user terminal.
  • the PHR configuration information may be acquired in multiple steps, for example, the PHR reporting configuration is sent by the receiving base station, and the foregoing
  • the signaling format of the PHR may be pre-defined by the protocol, or the signaling format of the PHR may be sent by the base station, and the configuration of the PHR may be pre-defined by the protocol, etc., which is not limited in this embodiment.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the periodic reporting timer may be a timer that periodically triggers the PHR to report, and the prohibition reporting timer may be a timer that prohibits the user terminal from reporting the PHR during the running, and the downlink path loss change value may be the downlink path loss.
  • the threshold of the power backoff may be a threshold of power backoff.
  • the above-mentioned reporting configuration allows the user terminal to perform PHR reporting under certain conditions to improve the accuracy of PHR reporting.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the format of the explicit indication PHR may be that the format of the PHR is directly indicated by the information content in the configuration information of the PHR, for example, the information content in the configuration information indicates which BWPs need to report the PHR, and may also be specifically indicated in the PHR. What content needs to be reported, such as the maximum transmit power of the terminal and/or the power headroom after the uplink physical channel is sent, so that the user terminal can be flexibly instructed to perform PHR reporting, so that the flexibility of the user terminal can meet the requirements of different services.
  • the format of the PHR indicated by the implicit indication may be a format indicating the PHR through the configuration attribute of the BWP or the parameter of the BWP, and the PHR format of the BWP may be determined by the user terminal by using the configuration attribute or the parameter.
  • the configuration attribute of a BWP indicates that the BWP is configured with the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted, and the BWP is implicitly indicated.
  • the signaling overhead can be saved, and the above implicitness can also include indicating the format of the PHR in a pre-agreed manner, for example, pre-agreed which BWPs are configured with the PHR.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the uplink physical channel includes at least one of an uplink control channel, an uplink data channel, an uplink sounding channel, and an uplink random access channel, that is, the terminal maximum transmit power and/or the uplink physical channel.
  • the power headroom after transmission may include at least one of the following:
  • the signaling format of the PHR is indicated by at least one of the following indication manners by means of indication
  • the uplink control channel may be a physical uplink control channel (PUCCH), and the uplink data channel may be a physical uplink shared channel (PUSCH), and the uplink sounding channel may be used for transmitting a sounding parameter signal.
  • the uplink random access channel may be a Physical Random Access Channel (PRACH).
  • the signaling format of the PHR indicates at least one of the following by an implicit indication manner:
  • the BWP with the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted and the BWP that is not configured with the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • some BWPs may be configured with the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is sent, or some BWPs are not configured with the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is sent.
  • the signaling format of the PHR indicates at least one of the following by an implicit indication:
  • Whether a maximum transmit power of the terminal and/or a power headroom after the uplink control channel is transmitted are configured on a BWP;
  • Whether a maximum transmit power of the terminal and/or a power headroom after the uplink data channel is transmitted are configured on a BWP;
  • Whether a maximum transmit power of the terminal and/or a power headroom after the uplink sounding channel is transmitted are configured on a BWP;
  • Whether a maximum transmit power of the terminal and/or a power headroom after the uplink random access channel is transmitted are configured on a certain BWP.
  • the user terminal can report only the power headroom of the BWP configured with the maximum transmit power of the terminal and/or the power headroom after the uplink physical channel is transmitted, and/or the maximum transmit power of the terminal, so as to improve the accuracy of the PHR.
  • Step 302 Report a PHR to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the reporting the PHR to the base station according to the PHR configuration information includes:
  • the PHR triggering condition is met, the PHR is reported to the base station according to the PHR configuration information.
  • the PHR triggering condition may be configured in the PHR configuration information, for example, the PHR configuration information includes a triggering condition indicated by the reporting configuration of the PHR. Or the above PHR trigger condition may be preset by the user terminal, and the like.
  • the PHR triggering condition can be reported to be reported, so that the accuracy of reporting the PHR by the user terminal can be improved. It should be noted that, in the embodiment of the present disclosure, the PHR triggering condition is not limited to be reported, for example, it may be reported at a time when the protocol is agreed or the base station is configured.
  • the PHR is reported to the base station according to the PHR configuration information, including:
  • the PHR is reported to the base station according to the PHR configuration information
  • the PHR triggering condition includes at least one of the following condition contents:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the PHR reported to the base station may be the at least one BWP, if the forbidden reporting timer of the user terminal times out and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal.
  • the PHR corresponding to each BWP or may also be a PHR including power information of the at least one BWP.
  • the PHR reported to the base station may be a PHR corresponding to each BWP in the at least one BWP, or may be a PHR including power information of the at least one BWP.
  • the configuration of the at least one BWP is added, deleted, or modified.
  • the PHR reported to the base station may be the PHR corresponding to each BWP in the at least one BWP, or may be a PHR including the power information of the at least one BWP. Similarly, if the reporting timer expires and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal, the PHR reported to the base station may be each of the at least one BWP. The PHR corresponding to the BWP may also be a PHR including power information of the at least one BWP.
  • each PWP in at least one BWP may be reported to meet the PHR, or may be reported as a PHR, and the PHR may include power information of one or more BWPs.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the at least one BWP on which the uplink physical channel is configured to transmit the uplink physical channel signal may be that the uplink physical channel signal is actually (or actually) transmitted on at least one BWP on which the uplink physical channel is configured.
  • the uplink physical channel signal is not sent on the at least one BWP, and the at least one BWP does not have an actual (or actual) uplink physical channel signal.
  • the BWP that needs to report the maximum transmit power of the terminal and/or the power reserve after the uplink physical channel is sent which is explicitly indicated by the foregoing configuration information, may be that the configuration information includes the PHR signaling format explicitly indicated in the foregoing embodiment.
  • the BWP that needs to report the maximum transmit power of the terminal and/or the power headroom after the uplink physical channel is sent; and the configuration information implicitly indicates that the BWP of the terminal maximum transmit power and/or the power margin after the uplink physical channel is sent may be
  • the configuration information includes a BWP with a maximum transmission power of the terminal and/or a power margin after the uplink physical channel is transmitted, which is implicitly indicated by the signaling format of the PHR.
  • the uplink physical channel may include at least one of an uplink control channel, an uplink data channel, an uplink sounding channel, and an uplink random access channel, that is, the PHR reported to the base station may include at least one of the following:
  • the UE reports the maximum power that can be sent on the beam after the power is rolled back.
  • a PUCCH is configured on a BWP, and the UE has a real PUCCH transmission, the UE reports the maximum transmission power of the terminal and/or the power margin after transmitting the real PUCCH.
  • a PUCCH is configured on a BWP, and the UE does not have a real PUCCH transmission, the UE reports the maximum transmit power of the terminal and/or the power margin after transmitting the reference (or virtual) PUCCH.
  • a PUSCH is configured on a certain BWP, and the UE has a real PUSCH transmission, the UE reports the maximum transmission power of the terminal and/or the power margin after transmitting the real PUSCH.
  • a PUSCH is configured on a BWP, and the UE does not have a real PUSCH transmission, the UE reports the maximum transmission power of the terminal and/or the power headroom after transmitting the reference (or virtual) PUSCH.
  • the UE reports the maximum transmission power of the terminal and/or the power margin after transmitting the real SRS.
  • the UE reports the maximum transmit power of the terminal and/or the power margin after transmitting the reference (or virtual) SRS.
  • a PRACH is configured on a BWP, and the UE has a real PRACH transmission, the UE reports the maximum transmission power of the terminal and/or the power margin after transmitting the real PRACH.
  • the UE reports the maximum transmit power of the terminal and/or the power margin after transmitting the reference (or virtual) PRACH.
  • the PHR configuration information may be indicated to indicate that each BWP is separately reported.
  • a PHR is used to improve the accuracy of the PHR report.
  • the PHR configuration information may be used to indicate that multiple BWPs report a PHR to reduce signaling overhead.
  • the PHR further includes:
  • the maximum power that can be transmitted on the BWP with the power back-off of the PHR reported to the base station can be implemented, thereby improving the reporting accuracy of the uplink power of the user terminal.
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • whether the PHR reported to the base station includes the maximum power transmittable on the BWP with the power backoff, and the type of the power headroom included in the PHR may be further indicated, so that the accuracy of the PHR may be further improved. It should be noted that if the PHR includes multiple power headrooms, the type of each power headroom may be indicated.
  • the PHR reporting is performed on the BWP layer by using the foregoing steps, so that the accuracy of the uplink transmission power of the user terminal can be improved, and the beneficial effects of improving the flexibility of the PHR configuration information can also be achieved.
  • FIG. 4 is a flowchart of another PHR reporting method according to an embodiment of the present disclosure. As shown in FIG. 4, the method includes the following steps:
  • Step 401 Send PHR configuration information of the BWP supported by the user terminal to the user terminal.
  • Step 402 Receive a PHR reported by the user terminal, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the signaling format of the PHR indicates the format of the following PHR by an implicit indication manner:
  • a BWP configured with a maximum transmit power of the terminal and/or a power headroom after the uplink physical channel is sent
  • the BWP of the terminal maximum transmission power and/or the power headroom after the uplink physical channel transmission is not configured.
  • the PHR is reported by the user terminal that meets a PHR trigger condition.
  • the PHR triggering condition includes at least one condition content as follows:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the PHR further includes:
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • the embodiment is used as an embodiment of the base station corresponding to the embodiment shown in FIG. 2 to FIG. 3 , and a specific implementation manner thereof can be referred to the related embodiment of the embodiment shown in FIG. 2 to FIG. 3 , and the same is achieved.
  • Advantageous effects, in order to avoid repeated explanation, will not be described here.
  • FIG. 5 is a structural diagram of a user terminal according to an embodiment of the present disclosure. As shown in FIG. 5, the user terminal 500 includes:
  • the obtaining module 501 is configured to obtain PHR configuration information of the bandwidth part BWP supported by the user terminal;
  • the reporting module 502 is configured to report a PHR to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the acquiring module 501 is configured to receive PHR configuration information of the BWP supported by the user terminal sent by the base station; or
  • the obtaining module 501 is configured to obtain PHR configuration information of the BWP supported by the user terminal that is agreed by the protocol.
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the signaling format of the PHR indicates the format of the following PHR by an implicit indication manner:
  • a BWP configured with a maximum transmit power of the terminal and/or a power headroom after the uplink physical channel is sent
  • the BWP of the terminal maximum transmission power and/or the power headroom after the uplink physical channel transmission is not configured.
  • the reporting module is configured to report the PHR to the base station according to the PHR configuration information if the PHR triggering condition is met.
  • the reporting module is configured to report the PHR to the base station according to the PHR configuration information, if the at least one condition of the PHR triggering condition is met;
  • the PHR triggering condition includes at least one of the following condition contents:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the PHR further includes:
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • the user terminal 500 may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment of the disclosure may be used in this embodiment.
  • the above-mentioned user terminal 500 in the embodiment is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • FIG. 6 is a structural diagram of a base station according to an embodiment of the present disclosure. As shown in FIG. 6, the base station 600 includes:
  • the sending module 601 is configured to send, to the user terminal, PHR configuration information of the BWP supported by the user terminal;
  • the receiving module 602 is configured to receive the PHR reported by the user terminal, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the signaling format of the PHR indicates the format of the following PHR by an implicit indication manner:
  • a BWP configured with a maximum transmit power of the terminal and/or a power headroom after the uplink physical channel is sent
  • the BWP of the terminal maximum transmission power and/or the power headroom after the uplink physical channel transmission is not configured.
  • the PHR is reported by the user terminal that meets a PHR trigger condition.
  • the PHR triggering condition includes at least one condition content as follows:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the PHR further includes:
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • the foregoing base station 600 may be a base station in any of the method embodiments in the embodiments of the disclosure, and any implementation manner of the base station in the method embodiment in this embodiment may be used in this embodiment.
  • the foregoing base station 600 is implemented, and achieves the same beneficial effects, and details are not described herein again.
  • FIG. 7 is a structural diagram of another user terminal according to an embodiment of the present disclosure.
  • the user terminal 700 includes at least one processor 701, a memory 702, at least one network interface 704, and a user interface 703.
  • the various components in user terminal 700 are coupled together by a bus system 705.
  • the bus system 705 is used to implement connection communication between these components.
  • the bus system 705 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 705 in FIG.
  • the user interface 703 may include a display, a keyboard, or a pointing device (eg, a mouse, a track ball, a touch pad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a track ball, a touch pad, or a touch screen, etc.
  • the memory 702 in an embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • Memory 702 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
  • memory 702 stores elements, executable modules or data structures, or a subset thereof, or their extended set: operating system 7021 and application 7022.
  • the operating system 7021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 7022 includes various applications, such as a media player (Media Player), a browser, and the like, for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 7022.
  • the user terminal 700 further includes a computer program stored on the memory 702 and executable on the processor 701. Specifically, it may be a computer program stored in the application 7022, and the computer program is executed by the processor 701. The following steps are implemented:
  • the PHR is reported to the base station according to the PHR configuration information, where the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • Processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in a form of software.
  • the processor 701 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure 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 connection with the embodiments of the present disclosure 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 702, and the processor 701 reads the information in the memory 702 and completes the steps of the above method in combination with its hardware.
  • the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described herein can be implemented by modules (eg, procedures, functions, and so on) that perform the functions described herein.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the obtaining, by the processor 701, the PHR configuration information of the BWP supported by the user terminal including:
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the signaling format of the PHR indicates the format of the following PHR by an implicit indication manner:
  • a BWP configured with a maximum transmit power of the terminal and/or a power headroom after the uplink physical channel is sent
  • the BWP of the terminal maximum transmission power and/or the power headroom after the uplink physical channel transmission is not configured.
  • the reporting, by the processor 701, the PHR to the base station according to the PHR configuration information includes:
  • the PHR triggering condition is met, the PHR is reported to the base station according to the PHR configuration information.
  • the performing, by the processor 701, if the PHR triggering condition is met, reporting the PHR to the base station according to the PHR configuration information including:
  • the PHR is reported to the base station according to the PHR configuration information
  • the PHR triggering condition includes at least one of the following condition contents:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the PHR further includes:
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • the user terminal 700 may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment of the disclosure may be used in this embodiment.
  • the foregoing user terminal 700 in the embodiment is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • FIG. 8 is a structural diagram of another base station according to an embodiment of the present disclosure.
  • the base station 800 includes a processor 801, a transceiver 802, a memory 803, and a bus interface, where:
  • the base station 800 further includes: a computer program stored on the memory 803 and executable on the processor 801.
  • a computer program stored on the memory 803 and executable on the processor 801.
  • the PHR includes a power headroom of the BWP indicated by the PHR configuration information and/or a maximum transmit power of the terminal.
  • the transceiver 802 is configured to receive and transmit data under the control of the processor 801, and the transceiver 802 includes at least two antenna ports.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 801 and various circuits of memory represented by memory 803.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 802 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 804 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 in performing operations.
  • the PHR configuration information includes at least one of the following:
  • the reporting configuration of the PHR and the signaling format of the PHR are identical to the reporting configuration of the PHR and the signaling format of the PHR.
  • the reporting configuration of the PHR includes at least one of the following:
  • the periodic reporting timer the prohibition reporting timer, the downlink path loss change value, and the power backoff change value.
  • the signaling format of the PHR indicates the format of the PHR by means of display or implicit indication.
  • the signaling format of the PHR indicates the format of the following PHR by using a display indication manner:
  • the signaling format of the PHR indicates the format of the following PHR by an implicit indication manner:
  • a BWP configured with a maximum transmit power of the terminal and/or a power headroom after the uplink physical channel is sent
  • the BWP of the terminal maximum transmission power and/or the power headroom after the uplink physical channel transmission is not configured.
  • the PHR is reported by the user terminal that meets a PHR trigger condition.
  • the PHR triggering condition includes at least one condition content as follows:
  • the reporting delay timer expires, and the downlink path loss change value of the at least one activated BWP exceeds the downlink path loss change value obtained by the user terminal;
  • the periodic report timer expires.
  • the reporting timer expires, and the power backoff change value of the at least one activated BWP exceeds the power backoff change value obtained by the user terminal.
  • the power headroom of the BWP indicated by the PHR configuration information and/or the maximum transmit power of the terminal includes:
  • the power headroom of the BWP and/or the maximum transmit power of the terminal indicated by the PHR configuration information includes:
  • the at least one BWP is a BWP that is required to report the maximum transmission power of the terminal and/or the power headroom after the uplink physical channel is sent, or the at least one BWP is implicit in the configuration information.
  • the indicated configuration has a BWP of the maximum transmit power of the terminal and/or the power margin after the uplink physical channel is transmitted.
  • the PHR further includes:
  • the PHR further includes at least one of the following:
  • the power headroom for indicating the PHR includes a power headroom after transmitting the reference uplink physical channel signal or the virtual uplink physical channel signal, or indicating information about a power headroom after transmitting the uplink physical channel signal.
  • the foregoing base station 800 may be a base station in any embodiment of the method in the embodiments of the disclosure, and any implementation manner of the base station in the method embodiment in the embodiment of the disclosure may be used in this embodiment.
  • the foregoing base station 800 is implemented, and achieves the same beneficial effects, and details are not described herein again.
  • An embodiment of the present disclosure provides a user terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor to implement the embodiment of the present disclosure.
  • An embodiment of the present disclosure provides a base station, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor to implement the embodiment of the present disclosure.
  • the embodiment of the present disclosure provides a PHR reporting system, including the user terminal and the base station provided by the embodiments of the present disclosure.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements reporting of the PHR on the user terminal side provided by the embodiment of the present disclosure.
  • the steps of the method are not limited to a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements reporting of the PHR on the user terminal side provided by the embodiment of the present disclosure.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, the method for reporting the PHR of the base station side provided by the embodiment of the present disclosure is implemented. A step of.
  • the disclosed 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 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 in an electrical, mechanical or other form.
  • 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 objectives of the embodiments of the present disclosure.
  • each functional unit in various embodiments of the present disclosure 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the portion of the technical solution of the present disclosure that contributes in essence or to the prior art or the portion of the technical solution may be embodied in the form of a software product stored in a storage medium, including The instructions are used 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 disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un mode de réalisation de la présente invention concerne un procédé de notification de PHR, un dispositif associé et un système. Le procédé consiste : à obtenir des informations de configuration de PHR d'une BWP prise en charge par un terminal utilisateur ; et à notifier le PHR à une station de base sur la base des informations de configuration de PHR, le PHR comprenant une marge de puissance de la BWP indiquée par les informations de configuration de PHR et/ou une puissance de transmission maximale du terminal.
PCT/CN2018/099390 2017-08-08 2018-08-08 Procédé de notification de phr, équipement associé et système WO2019029569A1 (fr)

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CN111726856B (zh) * 2019-03-21 2021-11-19 华为技术有限公司 功率余量报告触发方法及设备
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895923A (zh) * 2010-06-11 2010-11-24 新邮通信设备有限公司 载波聚合通信系统中的功率余量报告方法和用户设备
CN102318426A (zh) * 2008-12-03 2012-01-11 交互数字专利控股公司 用于载波聚合的上行链路功率余量报告
WO2012046989A2 (fr) * 2010-10-04 2012-04-12 Lg Electronics Inc. Signalisation de cas à puissance limitée

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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US8274952B2 (en) * 2006-10-10 2012-09-25 Alcatel Lucent Transmission power management
CN101932087A (zh) * 2009-06-19 2010-12-29 大唐移动通信设备有限公司 一种功率余量的上报方法、装置和系统
CN107018565A (zh) * 2016-01-28 2017-08-04 索尼公司 无线通信系统以及无线通信系统中的装置和方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102318426A (zh) * 2008-12-03 2012-01-11 交互数字专利控股公司 用于载波聚合的上行链路功率余量报告
CN101895923A (zh) * 2010-06-11 2010-11-24 新邮通信设备有限公司 载波聚合通信系统中的功率余量报告方法和用户设备
WO2012046989A2 (fr) * 2010-10-04 2012-04-12 Lg Electronics Inc. Signalisation de cas à puissance limitée

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