WO2020063969A1 - Procédé et dispositif de détermination de phr, équipement utilisateur, système et support de stockage - Google Patents

Procédé et dispositif de détermination de phr, équipement utilisateur, système et support de stockage Download PDF

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Publication number
WO2020063969A1
WO2020063969A1 PCT/CN2019/109081 CN2019109081W WO2020063969A1 WO 2020063969 A1 WO2020063969 A1 WO 2020063969A1 CN 2019109081 W CN2019109081 W CN 2019109081W WO 2020063969 A1 WO2020063969 A1 WO 2020063969A1
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WIPO (PCT)
Prior art keywords
phr
transmission
time
carrier
time period
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PCT/CN2019/109081
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English (en)
Chinese (zh)
Inventor
姚珂
高波
鲁照华
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中兴通讯股份有限公司
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Publication of WO2020063969A1 publication Critical patent/WO2020063969A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present disclosure relates to the field of communication technologies, such as a method, an apparatus, a user equipment, a system, and a storage medium for determining a power headroom report PHR.
  • the power of uplink transmission is related to many factors, such as path loss, target received power, maximum transmit power, closed-loop power adjustment, transmission bandwidth, and transmission rate.
  • the uplink transmission includes at least a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH), and a sounding reference signal (SRS).
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • SRS sounding reference signal
  • the NR system has the characteristics that the start and end positions of the PUSCH and PUCCH are not fixed, and different carriers can support different subcarrier intervals.
  • the above characteristics will cause the slot length in the NR system to be fixed and the scheduling / authorization information to Delays between services are not fixed, supporting low-latency and low-latency communications (URLLC), high-priority services, and non-synchronization between carriers, leading to power headroom reports in the NR system.
  • PHR power headroom reports in the NR system.
  • PHR Long Term Evolution
  • An embodiment of the present invention provides a method for determining a power remaining report PHR, including:
  • An embodiment of the present invention further provides a device for determining a PHR, including:
  • a resource determining module configured to determine a sending resource for sending a PHR on the first carrier
  • a time determining module configured to determine a reference time period of a second carrier according to the sending resource
  • the PHR determination module is configured to determine a PHR generation mode of the second carrier according to uplink transmission or uplink transmission scheduling information of the second carrier in the reference time period.
  • An embodiment of the present invention further provides user equipment, including a processor, a memory, and a communication bus, where:
  • the communication bus is configured to connect the processor and a memory
  • the processor is configured to execute a computer program stored in the memory to implement the steps of the method for determining a PHR as described above.
  • An embodiment of the present invention further provides a communication system including a base station and user equipment, where:
  • the user equipment is configured to determine a PHR according to the method for determining a PHR as described above, and send the determined PHR to the base station;
  • the base station is configured to receive a PHR sent by the user equipment.
  • An embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores one or more computer programs, and the one or more computer programs can be executed by one or more processors. To implement the steps of the method for determining PHR as described above.
  • a sending resource for sending a PHR on the first carrier may be determined, and then determined according to the determined sending resource
  • the reference time period of the second carrier other than the first carrier in the multi-carrier is determined according to the uplink transmission or uplink transmission scheduling information of the second carrier within the reference time period, and the PHR generation mode of the second carrier is determined.
  • the method for determining a PHR may implement a method for determining a PHR of a carrier in certain application embodiments, and then may generate a corresponding real PHR or virtual PHR according to the PHR generation method.
  • FIG. 1 is a schematic flowchart of a method for determining a PHR according to Embodiment 1 of the present invention
  • FIG. 2-1 is a schematic diagram of a first time slot according to the first embodiment of the present invention.
  • 2-2 is a schematic diagram of time domain resources occupied by uplink transmission including a PHR according to the first embodiment of the present invention
  • FIG. 3-1 is a first schematic diagram of a reference time period according to the first embodiment of the present invention.
  • 3-2 is a second schematic diagram of a reference time period according to the first embodiment of the present invention.
  • 3-3 is a third schematic diagram of a reference time period according to the first embodiment of the present invention.
  • FIG. 3-4 is a fourth schematic diagram of a reference time period according to the first embodiment of the present invention.
  • FIG. 4-1 is a fifth schematic diagram of a reference time period according to the first embodiment of the present invention.
  • 4-2 is a sixth schematic diagram of a reference time period according to the first embodiment of the present invention.
  • 4-3 is a seventh schematic diagram of a reference time period according to the first embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a time domain interval distribution in Embodiment 3 of the present invention.
  • FIG. 6 is a schematic structural diagram of a device for determining a PHR according to a fourth embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a user equipment according to Embodiment 5 of the present invention.
  • An embodiment of the present invention provides a method, an apparatus, a user equipment, a system, and a storage medium for determining a PHR, so as to solve a technical problem of how to determine a PHR generation manner of a carrier.
  • This embodiment provides a method for determining a PHR.
  • the method can be applied to a user equipment (User Equipment), and of course, it can also be applied to other devices that need to report a PHR or need to judge a PHR.
  • the method for determining PHR provided in this embodiment is shown in FIG. 1 and includes:
  • S101 Determine a sending resource for sending a PHR on the first carrier.
  • the multi-carrier in this embodiment refers to more than two carrier scenarios, for example, including but not limited to Carrier Aggregation (CA) scenarios, Dual Linkivity (DC) scenarios, these application scenarios are Including multiple carriers.
  • the carrier may also be referred to as a cell cell or a component cell (CC).
  • a cell (or carrier or CC) in the NR system may include one or more partial bandwidth BWP (Bandwidth Part).
  • the carrier is used as an example for description below, and it should be understood that the carrier may also be interchanged with a partial bandwidth BWP, a cell cell, and a member cell CC.
  • uplink transmission includes, but is not limited to, PUCCH transmission, PUSCH transmission, PRACH (Physical Random Access Channel) transmission, and SRS transmission.
  • the first carrier of the multi-carrier may be, after an PHR trigger, the first of the multi-carriers to receive a DCI (Downlink Control Information) that includes scheduling information of the newly uploaded transmission. Control information).
  • the second carrier in the multi-carrier may be a multi-carrier, all carriers except the first carrier.
  • the second carrier may also be a multi-carrier, except for the first carrier. For some of the other carriers, it is specifically determined which carrier is the second carrier, which can be flexibly determined according to specific application requirements.
  • the UE needs to occupy a certain transmission power when transmitting uplink transmission, and the transmission power cannot exceed the limit of the maximum power.
  • Overlapping in time can mean that multiple transmissions are shared in whole or in part for a period of time, including but not limited to the following multiplexing methods: Frequency-division multiplexing (FDM), Code Division Multiplexing , CDM), Space Division Multiplexing (SDM).
  • FDM Frequency-division multiplexing
  • CDM Code Division Multiplexing
  • SDM Space Division Multiplexing
  • Uplink transmission refers to the transmission of corresponding information by occupying specific channel resources.
  • the transmission of a data packet requires 4 OFDM symbols of the PUSCH (Orthogonal Frequency Division Multiplexing Symbol, hereinafter also referred to as the symbol for a period of time). These 4 symbols
  • the PUSCH is called a PUSCH transmission.
  • transmission of categories of SRS may be
  • the UE calculates a power headroom (PH) for PUSCH transmission, PUCCH transmission, and SRS transmission, and reports it to the base station in a PHR manner.
  • the power headroom is the difference between the maximum allowable power and the required transmission power.
  • the base station can learn the difference between the required power and the maximum power of the current uplink transmission of the UE, thereby improving the subsequent scheduling more efficiently.
  • PHR and PH can be interchanged unless it is not specifically stated that it is not allowed.
  • the virtual PHR is also referred to as a reference PHR, or a PHR in a reference format.
  • S102 Determine a reference time period of the second carrier according to the determined transmission resource.
  • the second carrier in this embodiment may be a multi-carrier, and all carriers except the first carrier.
  • the second carrier may also be a multi-carrier, except the first carrier. All carriers except some carriers.
  • S103 Determine the PHR generation method of the second carrier according to the uplink transmission or uplink transmission scheduling information of the second carrier within a reference time period.
  • the PHR generation manner for determining the second carrier includes, but is not limited to, one of the following manners:
  • the PHR determined based on the real transmission is the real PHR
  • a PHR determined based on a reference format, or a reference transmission, or a reference format transmission is a virtual PHR.
  • the sending resource for sending PHR on the first carrier includes a sending time period, and the sending time period is one of the following:
  • the time domain resources refer to continuous or discontinuous time units occupied by the uplink transmission.
  • the time unit may be an OFDM symbol, a slot slot, a subframe, a frame, etc. ;
  • the first time slot slot containing the uplink transmission of the PHR.
  • determining the reference time period of the second carrier according to the determined transmission resource includes, but is not limited to, the determination manners in the following examples.
  • Example 1 determining the reference time period of the second carrier according to the transmission resource, including determining the reference time period of the second carrier according to one of the following:
  • the first slot in the second carrier that overlaps the transmission time period with a time domain
  • Orthogonal frequency division multiplexed OFDM symbol in a second carrier that overlaps the transmission time period with a time domain.
  • the sending time period for sending the PHR on the first carrier is the first slot to which the uplink transmission including the PHR belongs.
  • the network side or the base station has configured carrier aggregation for the UE, which includes 5 carriers (or called cells), which are denoted as CC # 1 to # 5, respectively.
  • the slot number on CC # 1 is slot 1_x
  • x is the serial number of the slot.
  • the slot number on CC # 2 is slot 2_x
  • x is the slot number, and so on.
  • the slot number on CC # 5 is slot 5_x, and x is the slot number.
  • a PHR is triggered on the starting position CC # 2 of slot 2_n-2, and the scheduling information of the first new uplink transmission thereafter is slot 1_n-2 on CC # 1, where the scheduling sends an uplink transmission in slot 1_n,
  • PUSCH transmission (of course, other uplink transmissions are also possible)
  • the PHR includes its real PH, which is calculated based on the PUSCH transmission of the real PH.
  • CC # 2 to CC # 5 whether the respective PH is real or virtual, and according to which real transmission is calculated, it needs to be determined by referring to a time period. That is, in a multi-carrier scenario, after a PHR is triggered, a new uplink transmission resource is obtained on any one of the carriers, the PHR is reported, and the reported PHR includes the PHR of each carrier.
  • the PHR of the CC that sent the PHR is a real PHR. Whether the PHRs of other CCs are real PHRs or virtual PHRs needs to be determined according to whether there is actual transmission in a specific period of time.
  • the PH When there is actual transmission in a specific period of time, the PH is calculated based on the actual transmission and reported to the real PHR; when there is no actual transmission in a specific period of time, the PH is calculated based on the reference transmission and reported to the virtual PHR.
  • the specific time period may be the above reference time period, or may be a time period after or before the above reference time period.
  • a second carrier receives DCI including scheduling information (grant information) for new uplink transmission in the above reference time period, but only sends a uplink transmission in a specific time period after the reference time period.
  • the uplink transmission can also be flexibly used as a basis for calculating the true PHR of the second carrier.
  • the PH when there is actual transmission in the reference time period of the second carrier directly, the PH is calculated based on the actual transmission and the real PHR is reported; when there is no actual transmission in the reference time period , For the second carrier, calculate the PH according to the reference transmission and report the virtual PHR.
  • the slot lengths (numerology) of different CCs may be the same or different, and the slots of different CCs may be aligned or misaligned.
  • the first carrier is CC # 1
  • the sending time period for sending PHR on CC # 1 is the first slot to which the PHR uplink transmission belongs, which is shown in Figure 2-1. Fill the area.
  • the second carrier (either CC # 2 to CC # 5 in Fig. 2-1 or part of CC # 2 to CC # 5) is determined according to the transmission resource.
  • the reference time period includes one of the following:
  • the reference time period is determined according to the last slot with the most overlap among the slots that overlap with the first slot in the time domain.
  • the sending time period of sending the PHR on the first carrier may also be a time domain resource occupied by the uplink transmission including the PHR.
  • the first carrier is CC # 1
  • the sending time period for sending the PHR on CC # 1 is the time domain resource including the uplink transmission of the PHR.
  • an OFDM symbol may be used as a unit, and an OFDM symbol on the second carrier that overlaps with time domain resources occupied by uplink transmission including PHR on CC # 1 is used as a reference time period.
  • the reference time period determined in the manner shown in the first example may be referred to as a first reference time period.
  • determining the reference time period of the second carrier according to the transmission time period of sending the PHR on the first carrier may include:
  • the start time of the reference time period of the second carrier may be determined using, but not limited to, one of the following:
  • the new transmission in this example may be a PUSCH transmission or a PUCCH transmission.
  • the new transmission is relative to the retransmission.
  • the new transmission may also be called the initial transmission.
  • the reporting probability of the real PHR can be increased as much as possible. If only the time domain resources occupied by the PHR uplink transmission are considered, or the slot to which it belongs, the true transmission probability of other CCs may be relatively small. If the reference period of the decision is reasonably extended, the true transmission probability of other CCs will increase. Therefore, using one of the above methods to determine the start time of the reference time period of the second carrier can reasonably extend the reference time period of the decision and improve the true transmission probability of other CCs.
  • determining the end time of the reference time period according to the sending time period may include, but is not limited to:
  • the last OFDM symbol in the second carrier overlapping the transmission time period in the time domain.
  • the point in time when the PHR is triggered may be used as the start time of the reference time period, and the end time of the reference time period may also be flexibly set at this time.
  • the point in time when the PHR is triggered is used as the start time of the reference time period
  • the end point of the first time slot slot is used as the end time of the reference time period.
  • the reference time period shown in the filled area in FIG. 3-1 the point in time when the PHR is triggered is used as the start time of the reference time period
  • the end point of the first time slot slot is used as the end time of the reference time period.
  • the time point at which the PHR is triggered may be used as the start time of the reference time period, and the end point of the time domain resource occupied by the uplink transmission including the PHR may be used as The end time of the reference period.
  • Which of the methods shown in Figure 3-1 and Figure 3-2 is used for the reference time period can be flexibly set according to the specific application scenario.
  • the interval between the scheduling information (grant information) and the PUSCH may span several slots, for the PHR calculation of other CCs, if only the PUSCH transmission time period or the slot in which it is located is used as the reference time period to judge If there is any real transmission overlapping with it, the probability of real transmission will be lower. Therefore, in another example, the time when the DCI containing the scheduling information is received can be used as the start time of the reference time period, or after the PHR is triggered, the first schedule containing the new PUSCH transmission will be received. The time when the information DCI is received is used as the start time of the reference time period, and the end time of the reference time period can also be flexibly set.
  • the time when the DCI containing the scheduling information is received is used as the start time of the reference time period, and the time domain resources occupied by the uplink transmission of the PHR are included.
  • the end point is used as the end time of the reference period.
  • the time when the DCI containing the scheduling information is received is used as the start time of the reference time period, and the end point of the first time slot slot is used as the reference time. The end time of the segment.
  • the reference time period determined in the manner shown in this second example may be referred to as a second reference time period.
  • the method for determining the start time of the reference time period of the second carrier may be adopted, but not limited to the method in the above Example 2, and the method of confirming the end time of the reference time period may include but is not limited to the following One way:
  • the start point of the only slot in the second carrier that overlaps with the above-mentioned sending time period in a time domain advances a second time interval forward;
  • the start point of the first slot in the second carrier overlapping the transmission time period with a time domain advances a second time interval forward;
  • the start point of the first complete slot in the second carrier that overlaps with the above-mentioned sending time period with a time domain advances a second time interval forward;
  • the start point of the last slot in the second carrier overlapping the transmission time period with a time domain advances a second time interval forward;
  • the starting point of the slot with the most overlapped part is advanced by a second time interval forward;
  • the start point of the first slot with the most overlapped part is advanced by a second time interval forward;
  • the start point of the last slot with the most overlapped part is advanced by a second time interval forward;
  • the first OFDM symbol in the second carrier overlapping the transmission period with the time domain in advance is advanced by a second time interval.
  • At least one of the first time interval and the second time interval may be a preset time length or a time length determined according to a capability of the user equipment UE.
  • the first time interval and the second time interval may be determined by N2, where N2 is the minimum time required for the UE to process the uplink transmission.
  • the time when the DCI containing the scheduling information is received is used as the start time of the reference time period to include uplink transmission of the PHR
  • the end point of the occupied time domain resource is advanced by a first time interval forward as the end time of the reference time period;
  • the time when the DCI containing the scheduling information is received is used as the start time of the reference time period, and the first time slot is used.
  • the end point of the slot is advanced a second time interval forward as the end time of the reference time period;
  • the time point when the PHR is triggered is taken as the start time of the reference time period, and the end point of the first time slot slot Advance the second time interval forward as the end time of the reference period.
  • the reference time period determined by the manner shown in the third example may be referred to as a third reference time period.
  • the confirmation manner of the start point and the end point of the reference time period in this embodiment may adopt any combination of the foregoing exemplary manners, and is not limited to the foregoing exemplary manners.
  • determining the generation method of the PHR of the second carrier may include, but is not limited to, satisfying at least the following When one of them is determined, the PHR of the second carrier is a true PHR:
  • a DCI containing scheduling information for uplink transmission is present (that is, received) within the reference time period.
  • uplink transmission or uplink transmission scheduling information is not limited to the two cases described above, and can be flexibly adjusted and set according to specific application scenarios and requirements.
  • the true PHR of the uplink transmission can be reported That is, it is determined that the PHR of the second carrier is the real PHR; when the DCI carrying the grant information is not received earlier than the start time of the second reference time period, or the grant information is received before the start time of the second reference time period.
  • the real PHR of the second carrier cannot be reported, that is, the PHR that needs to be reported for the second carrier is determined to be a virtual PHR.
  • the PHR of this type of uplink transmission is reported as a real PHR can be reported according to whether the transmitted DCI is in the third place.
  • the reference time period is determined by receiving, for example:
  • the true PHR of the uplink transmission can be reported, that is, the second carrier is determined.
  • PHR is a real PHR; when the DCI carrying the dynamically scheduled transmission grant information is not within the third reference time period, it is determined that the true PHR of the second carrier cannot be reported, that is, the PHR that needs to be reported for the second carrier is determined as Virtual PHR.
  • the DCI containing grant information is close to the actual URLLC transmission.
  • the above-mentioned usage rules for the third reference time period may be used as long as it includes grant.
  • the DCI of the information is received within the third reference time period, that is, some time before the transmission start point containing the PHR, the real PHR transmitted by the URLLC can be reported.
  • the following settings can be made: there is a transmission in the reference time period, and if the transmission is scheduled based on grant, the grant information must be received Early enough so that there is actual transmission within the reference period.
  • the reference time period is one of the following, it can be determined whether the PHR is a real PHR or a virtual PHR according to whether there is uplink transmission in the reference time period:
  • the start time of at least one of the second reference time period and the third reference time period may be a start time determined according to one of the following: a reception time of downlink control information DCI including scheduling information; a PHR is triggered The receiving time of the first DCI that contains scheduling information for scheduling a new uplink transmission after the PHR is triggered.
  • the start time of the extended reference time period is the time when the PHR is triggered.
  • the start time of the extended time period is the reception time of the first DCI containing scheduling information for scheduling new uplink transmissions after the PHR is triggered.
  • the PHR When there is uplink transmission in the reference time period, the PHR is a real PHR, and when there is no uplink transmission in the reference time period, the PHR is a virtual PHR.
  • Determining whether the PHR is a real PHR or a virtual PHR according to whether uplink transmission exists in the reference time period includes, but is not limited to, at least one of the following:
  • the transmission is a scheduling-based transmission, and the scheduling information is received before a preset first reference time, then the PHR is a true PHR;
  • the PHR is a virtual PHR
  • the transmission is scheduling-based transmission, and the scheduling information is received after the first reference time, then the PHR is a virtual PHR;
  • the PHR is a real PHR.
  • the first reference time may be determined according to one of the following: a start time of transmission including PHR, and a reception time of scheduling information including transmission of PHR.
  • the first reference time may also be determined according to one of the following: the start time of the transmission including the PHR is the third time interval forward, and the reception time of the scheduling information of the PHR transmission is the fourth time interval backward.
  • the third time interval or the fourth time interval is a predefined time interval, or a time interval configured by the base station, or a time interval determined by the capability of the UE.
  • the present embodiment is exemplified by another case.
  • the grant information arrives early enough, but the actual transmission is not within the reference time period described in Mode 1. Since there is no definition that an interval must be transmitted, the grant information cannot define only one time point as in the first method, so a time interval can be defined in this method.
  • the reference time period when the reference time period is the fourth reference time period, it can be set to determine whether the PHR is a real PHR or a virtual PHR according to whether scheduling information of uplink transmission exists in the fourth reference time period.
  • the fourth reference time period is: the start time from at least one of the second reference time period and the third reference time period to the first reference time.
  • At least one of the second reference time period and the third reference time period and the first reference time are the same as those described in the first manner.
  • the PHR when scheduling information for uplink transmission exists in the fourth reference time period, the PHR is a real PHR, and when scheduling information for uplink transmission does not exist in the fourth reference time period, the PHR is a virtual PHR.
  • the first manner described above may be implemented independently or in combination with the second manner.
  • the first and the second methods are implemented in combination, if either the first and the second methods determine that the PHR is a real PHR, then the PHR is determined as a real PHR, and when both the first and the second methods determine that the PHR is a virtual PHR, the PHR is determined as a virtual PHR.
  • the transmission corresponding to the real PHR can be determined in one of the following ways, but not limited to:
  • the method for determining PHR provided in this embodiment can realize a clear determination of whether PHR is real or virtual, and increase the reporting probability of real PHR as much as possible, and select the most reasonable transmission among multiple transmissions within the eligible time period to calculate PHR. .
  • the present embodiment is described on the basis of the foregoing embodiment in combination with several cases of uplink transmission or uplink transmission scheduling information in a reference time period of the second carrier.
  • determining whether the PHR of the second carrier is a real PHR or a virtual PHR according to uplink transmission or uplink transmission scheduling information of the second carrier within a reference time period includes:
  • a DCI containing scheduling information for uplink transmission exists within a reference time period.
  • the uplink transmission when there is one or more uplink transmissions within a reference time period of the second carrier, at least one of the uplink transmission, scheduling information of the uplink transmission, and type of the uplink transmission may be used.
  • the types of uplink transmission in this example include, but are not limited to, uplink transmission based on authorization, and uplink transmission without dynamic authorization.
  • a PHR generation method may be determined according to at least one of uplink transmission and uplink transmission scheduling information, including determining a true PHR of the second carrier according to at least one of the following:
  • the uplink transmission corresponding to the latest received scheduling information is the uplink transmission corresponding to the latest received scheduling information.
  • the uplink transmission that calculates the real PHR may be determined according to the receiving time of the scheduling information corresponding to the uplink transmission. For example, the uplink transmission corresponding to the earliest received scheduling information is selected from among multiple uplink transmissions based on the authorization, or the uplink transmission corresponding to the latest received scheduling information.
  • the uplink transmission of the true PHR is determined and calculated according to the start time of the uplink transmission. For example, among the plurality of uplink transmissions that do not require dynamic authorization, the earliest uplink transmission or the latest uplink transmission is selected.
  • the uplink transmission based on the dynamic authorization is selected to calculate the real PHR.
  • uplink transmission can be dynamically scheduled by uplink grant information (UL grant) included in the downlink control information of the physical layer, or it can be semi-static Scheduling.
  • the former is called grant-based transmission, and the latter is called grant-free transmission, which is also called configured grant transmission.
  • grant-based transmission and the latter is called grant-free transmission, which is also called configured grant transmission.
  • grant-free transmission which is also called configured grant transmission.
  • configuration authorization transmissions for type 1 transmissions, all authorization information is configured by high-level signaling; for type 2 transmissions, high-level signaling configures some authorization information, and some authorization information is controlled by the physical layer For signaling, the physical layer control signaling is valid for several transmissions.
  • the scheduling information in the embodiments of the present invention may also be referred to as grant information (grant) or uplink grant information (UL grant).
  • grant information grant
  • UL grant uplink grant information
  • one DCI can schedule one PUSCH transmission, and for type 2 configuration authorized transmission, one DCI can schedule several PUSCH transmissions.
  • a PHR generation manner is determined according to the scheduling information for uplink transmission.
  • determining a PHR generation method according to the scheduling information for uplink transmission including calculating a real PHR of the second carrier according to at least one of the following :
  • the uplink transmission corresponding to the latest received scheduling information is the uplink transmission corresponding to the latest received scheduling information.
  • the true PHR of the second carrier may be calculated according to at least one of the following:
  • the uplink transmission corresponding to the latest scheduling information received in the authorized uplink transmission
  • the real PHR is calculated from the latest uplink transmission corresponding to the DCI received in the authorized uplink transmission or the latest uplink transmission started from the uplink transmission that does not require dynamic authorization; or, the latest received from the authorized uplink transmission.
  • the uplink transmission corresponding to the DCI and the uplink transmission that starts at the latest among the uplink transmissions that do not require dynamic authorization are used to calculate the real PHR.
  • the selection rule may be based on the start time of the uplink transmission or a random selection rule.
  • At least one of the following settings may be adopted for the priority of the PHR:
  • the priority of the real PHR based on the physical uplink shared channel PUSCH is higher than the priority of the real PHR based on the sounding reference signal SRS;
  • the priority of real PHR based on PUSCH is higher than that of virtual PHR based on SRS;
  • the priority of the PUSCH-based virtual PHR is higher than the priority of the SRS-based virtual PHR;
  • the priority of the PUSCH-based true PHR of the uplink UL is higher than the priority of the PUSCH-based true PHR of the supplementary uplink SUL;
  • the priority of the UL PSCH-based true PHR is higher than that of the SUL SRS-based true PHR.
  • UL is relative to SUL, and may also be called non-SUL.
  • the priority of the PHR may also be set by at least one of the following:
  • the priority of SUL's PUSCH-based true PHR is higher than that of UL's PUSCH-based true PHR;
  • SUL's SRS-based true PHR has higher priority than UL's SRS-based true PHR
  • the priority of the real PHR based on the PUSCH of the SUL is higher than the priority of the real PHR based on the SRS of the UL.
  • the method may further include:
  • the real PHR of the second carrier is calculated according to the PUSCH transmission, that is, the type 1 (type 1) corresponding to the PUSCH transmission is determined to have a higher priority than the type 1 PHR of the SRS transmission. Priority.
  • the method may further include:
  • the true PHR of the second carrier is calculated according to the UL transmission, that is, the PHR of the UL is determined to be prioritized
  • the priority is higher than SUL's PHR priority.
  • the PHR of the second carrier when it is determined that the PHR of the second carrier is a real PHR, it may further include: when there is one or more uplink transmissions within a reference time period, any one of the following may be adopted according to but not limited to Sequence, select at least one item from the front-to-back selection method to determine the uplink transmission for calculating the true PHR of the second carrier: the time priority of the uplink transmission (that is, time priority), the type priority of the uplink transmission (that is, PHR type ), And the priority of SUL / UL. That is, first determine the time priority of the multiple uplink transmissions. If there is the highest time priority of any uplink transmission, the uplink transmission with the highest time priority is directly used as the calculation basis. When the priorities are the same, the priority of the uplink transmission type is determined, and finally the priority of SUL / UL is determined. The subsequent combination order and so on:
  • SUL / UL priority SUL / UL priority, type priority of uplink transmission, time priority of uplink transmission.
  • Time priority of uplink transmission SUL / UL priority, type transmission priority
  • Uplink transmission type priority uplink transmission time priority, and SUL / UL priority
  • Uplink transmission type priority SUL / UL priority
  • uplink transmission time priority uplink transmission time priority
  • the time priority of uplink transmission refers to the priority that is distinguished from the time sequence, including, but not limited to, one of the following: the transmission transmission time has the highest priority and the transmission scheduling information is received earlier. High priority.
  • the time priority of the uplink transmission may also include but is not limited to one of the following: the priority of the late transmission start time is high, and the priority of the late transmission time of the transmission scheduling information is high.
  • the type priority of uplink transmission refers to the priority distinguished from the type of uplink transmission, and includes one of the following:
  • the priority of a PHR transmitting PUSCH is higher than that of a PHR transmitting SRS;
  • the priority of a PHR transmitting PUCCH is higher than the priority of a PHR transmitting PUSCH.
  • the priority of SUL / UL means that when the frequency domain resources where uplink transmission belongs belong to SUL and UL, they have different priorities, including but not limited to one of the following:
  • Transmissions sent on UL have higher priority than transmissions sent on SUL;
  • Transmissions sent on SUL have higher priority than transmissions sent on UL.
  • the corresponding PHR when determining and calculating the PHR, the corresponding PHR can be flexibly determined according to the specific uplink transmission situation in the reference time period, and the determination method is flexible and reliable.
  • PUCCH format 0 and 2 occupy 1 or 2 OFDM symbols in the time domain, which is called short PUCCH.
  • Format 1, Format 3, and Format 4 occupy 4 to 14 OFDM symbols and are called long PUCCH. Long PUCCH and short PUCCH can be configured in one slot.
  • the PHR calculated for PUCCH transmission is referred to as a PHR of type 2. It is distinguished from the existing PHR of type 1 calculated for PUSCH transmission and the PHR of type 3 calculated for SRS transmission. Of course, the PHR calculated for PUCCH transmission may also be referred to as other types of PHR.
  • a multi-carrier scenario there may be only one carrier configured with PUCCH, or there may be multiple carriers configured with PUCCH.
  • the PUCCH-related PHR is also reported, which is also referred to as the second type of PHR. Even if the carrier is not actually transmitted within the reference time period, the virtual type 2 PHR needs to be reported. Therefore, the PHR in each embodiment of the present invention includes, but is not limited to, at least one of the following:
  • the true PHR of type 2 may calculate the PH based on the PUCCH transmission and the PUSCH transmission.
  • the real PHR for type 2 may not consider PUSCH transmission.
  • the calculation may be based on the reference PUCCH transmission, that is, assuming some power calculation related parameters to calculate the PH.
  • the calculation is based on the reference PUSCH transmission, that is, the PH is calculated assuming some power calculation related parameters.
  • the second carrier when configured for PUCCH transmission, it may further include determining a PHR related to the PUCCH of the second carrier.
  • determining the PHR related to the PUCCH of the second carrier may include:
  • the reported PHR may be determined in at least one of the following ways:
  • the reported PHR includes the average of the PHR transmitted by the long PUCCH and the PHR transmitted by the short PUCCH.
  • determining the PHR related to the PUCCH of the second carrier may include:
  • At least one of the following methods is adopted to determine the reported PHR from the highest priority to the lowest:
  • the reported PHR is determined in the order of the highest priority from the real PHR transmitted by the short PUCCH, the real PHR transmitted by the long PUCCH, and the virtual PHR.
  • determining the PHR related to the PUCCH of the second carrier may include:
  • the reported PHRs can be determined in the following order from high to low:
  • the priority order of at least one of the following methods is determined from high to low Reported PHR:
  • the reported PHR is determined in the order of the highest priority from the real PHR transmitted by the short PUCCH, the real PHR transmitted by the long PUCCH, and the virtual PHR.
  • the PHR related to the PUCCH transmission is determined according to the time domain overlapping portion of the PUCCH transmission and the PUSCH transmission.
  • the PHR related to the PUCCH can be determined based on three parts: the PUCCH-related PHR is determined based on the PUCCH and PUSCH time domain overlapping parts, and the PUCCH does not overlap with the PUSCH time domain
  • the PHR related to the PUCCH is determined, and the PUCCH related PHR is determined according to the PUSCH located in the PUCCH overlapping time domain.
  • the three time domain intervals correspond to the first part, the second part, and the third part in FIG. 5, respectively.
  • PUCCH-related PHRs can be determined in the following order of priority:
  • the PUCCH-related PHR is determined according to the PUSCH transmission time that does not overlap with the time domain of the PUCCH.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • This embodiment also provides a device for determining a PHR, which can be applied to user equipment. As shown in FIG. 6, it includes:
  • the resource determining module 601 is configured to determine a sending resource for sending a PHR on the first carrier
  • the PHR determining module 603 is configured to determine a generation mode of the second carrier according to uplink transmission or uplink transmission scheduling information of the second carrier in the reference time period.
  • the PHR determination module 603 determines that the PHR generation manner of the second carrier includes, but is not limited to, one of the following manners:
  • the PHR determined based on the real transmission is the real PHR
  • a PHR determined based on a reference format, or a reference transmission, or a reference format transmission is a virtual PHR.
  • a sending resource for sending a PHR on the first carrier is a sending time period, and the sending time period may be, but is not limited to, one of the following:
  • the sending time period is the first slot to which the uplink transmission of the PHR belongs;
  • the reference time period for the time determining module 602 to determine the second carrier according to the transmission resource may include, but is not limited to, one of the following:
  • the first slot in the second carrier that overlaps the transmission time period with a time domain
  • Orthogonal frequency division multiplexed OFDM symbol in a second carrier that overlaps the transmission time period with a time domain.
  • the time determination module 602 may use, but is not limited to, one of the following to determine the start time of the reference time period:
  • the new transmission in this example may be a PUSCH transmission or a PUCCH transmission.
  • the new transmission is relative to the retransmission.
  • the new transmission may also be called the initial transmission.
  • the time determining module 602 determines the end time of the reference time period according to the sending time period, which may include but is not limited to:
  • the last OFDM symbol in the second carrier overlapping the transmission time period in the time domain.
  • the time determining module 602 determines the end time of the reference time period according to the sending time period, which may include, but is not limited to:
  • the start point of the only slot in the second carrier that overlaps with the above-mentioned sending time period in a time domain advances a second time interval forward;
  • the start point of the first slot in the second carrier overlapping the transmission time period with a time domain advances a second time interval forward;
  • the start point of the first complete slot in the second carrier that overlaps with the above-mentioned sending time period with a time domain advances a second time interval forward;
  • the start point of the last slot in the second carrier overlapping the transmission time period with a time domain advances a second time interval forward;
  • the starting point of the slot with the most overlapped part is advanced by a second time interval forward;
  • the start point of the first slot with the most overlapped part is advanced by a second time interval forward;
  • the start point of the last slot with the most overlapped part is advanced by a second time interval forward;
  • the first OFDM symbol in the second carrier overlapping the transmission period with the time domain in advance is advanced by a second time interval.
  • the confirmation manner of the start point and the end point of the reference time period in this embodiment may adopt any combination of the foregoing exemplary manners, and is not limited to the foregoing exemplary manners.
  • the PHR determination module 603 determines whether the PHR of the second carrier is a real PHR or a virtual PHR according to the uplink transmission or uplink transmission scheduling information of the second carrier within a reference time period, including but not limited to :
  • the PHR determination module 603 determines, based on the uplink transmission or uplink transmission scheduling information of the second carrier within the reference time period, that the PHR generation method of the second carrier may include, but is not limited to, determining at least one of the following when one of the following is met: Describe the PHR of the second carrier as the true PHR:
  • a DCI containing scheduling information for uplink transmission exists within a reference time period.
  • the PHR determination module 603 may determine the uplink transmission, the scheduling information of the uplink transmission, and the uplink transmission At least one of the types determines how the PHR is generated.
  • the types of uplink transmission in this example include, but are not limited to, uplink transmission based on authorization, and uplink transmission that does not require dynamic authorization.
  • the PHR determining module 603 may determine a PHR generation method according to at least one of uplink transmission and uplink transmission scheduling information, including determining a second carrier according to at least one of the following Real PHR:
  • the uplink transmission corresponding to the latest received scheduling information is the uplink transmission corresponding to the latest received scheduling information.
  • the PHR determining module 603 determines a PHR generation method according to the scheduling information for uplink transmission.
  • determining a PHR generation method according to the scheduling information for uplink transmission including calculating a real PHR of the second carrier according to at least one of the following :
  • the uplink transmission corresponding to the latest received scheduling information is the uplink transmission corresponding to the latest received scheduling information.
  • the PHR determining module 603 may calculate the true PHR of the second carrier according to at least one of the following:
  • the uplink transmission corresponding to the latest scheduling information received in the authorized uplink transmission
  • At least one of the following settings may be adopted for the priority of the PHR:
  • the priority of the real PHR based on the physical uplink shared channel PUSCH is higher than the priority of the real PHR based on the sounding reference signal SRS;
  • the priority of real PHR based on PUSCH is higher than that of virtual PHR based on SRS;
  • the priority of the PUSCH-based virtual PHR is higher than the priority of the SRS-based virtual PHR;
  • the priority of the PUSCH-based true PHR of the uplink UL is higher than the priority of the PUSCH-based true PHR of the supplementary uplink SUL;
  • the priority of the UL PSCH-based true PHR is higher than that of the SUL SRS-based true PHR.
  • UL is relative to SUL, and may also be called non-SUL.
  • the priority of the PHR may also be set by at least one of the following:
  • the priority of SUL's PUSCH-based true PHR is higher than that of UL's PUSCH-based true PHR;
  • SUL's SRS-based true PHR has higher priority than UL's SRS-based true PHR
  • the priority of the real PHR based on the PUSCH of the SUL is higher than the priority of the real PHR based on the SRS of the UL.
  • the PHR determining module 603 when the PHR determining module 603 determines that the PHR of the second carrier is a real PHR, it may be further configured to: when there is PUSCH transmission and SRS transmission in the reference time period, calculate the first True PHR for two carriers.
  • the PHR determining module 603 when the PHR determining module 603 determines that the PHR of the second carrier is a true PHR, it may be further configured to: when there are supplementary uplink SUL transmissions and uplink UL transmissions within a reference time period , The real PHR of the second carrier is calculated according to the UL transmission.
  • the PHR determining module 603 when the PHR determining module 603 determines that the PHR of the second carrier is a real PHR, it may be further configured to: when there are one or more uplink transmissions within the reference time period, the PHR determining module 603 may It is limited to adopting any of the following sequences and selecting at least one item from the front-to-back selection method to determine the uplink transmission for calculating the true PHR of the second carrier:
  • Time priority of uplink transmission priority of type of uplink transmission, priority of SUL / UL;
  • SUL / UL priority SUL / UL priority, type priority of uplink transmission, time priority of uplink transmission.
  • the PHR in each embodiment of the present invention includes but is not limited to at least one of the following: a PHR related to PUSCH transmission and a PHR related to PUCCH transmission.
  • the second carrier when configured for PUCCH transmission, it may further include determining a PHR related to the PUCCH of the second carrier.
  • the PHR determination module 603 may be further configured to determine the PHR related to the PUCCH of the second carrier in at least one of the following ways:
  • the reported PHR includes the average of the PHR transmitted by the long PUCCH and the PHR transmitted by the short PUCCH.
  • the PHR determination module 603 may also be set to determine the PUCCH-related second carrier from the highest priority in at least one of the following ways: PHR:
  • the reported PHR is determined in the order of the highest priority from the real PHR transmitted by the short PUCCH, the real PHR transmitted by the long PUCCH, and the virtual PHR.
  • the PHR determination module 603 is configured to, when there is PUCCH transmission and PUSCH transmission in the reference time period, according to whether the long PUCCH transmission and the short PUCCH transmission of the PUCCH transmission and the PUSCH transmission overlap with each other in the domain, according to the following priority from high to Low PHR determines reported PHR:
  • the priority order of at least one of the following methods is determined from high to low Reported PHR:
  • the reported PHR is determined in the order of the highest priority from the real PHR transmitted by the short PUCCH, the real PHR transmitted by the long PUCCH, and the virtual PHR.
  • the PHR determination module 603 may determine the PHR related to the PUCCH transmission according to the time domain overlapping portion of the PUCCH transmission and the PUSCH transmission.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • This embodiment also provides a user equipment, which includes but is not limited to a smart phone, a notebook computer, a digital broadcast receiver, a personal digital assistant (PDA), a tablet computer (PAD), a portable multimedia player (PMP), Mobile user equipment such as navigation devices and the like as well as fixed user equipment such as digital TVs, desktop computers and the like.
  • PDA personal digital assistant
  • PAD tablet computer
  • PMP portable multimedia player
  • Mobile user equipment such as navigation devices and the like as well as fixed user equipment such as digital TVs, desktop computers and the like.
  • FIG. 7 includes a processor 701, a memory 702, and a communication bus 703, and the communication bus 703 is configured to implement a communication connection between the processor 701 and the memory 702;
  • the processor 701 may be configured to execute one or more computer programs stored in the memory 702 to implement the steps of the method for determining a PHR in the above embodiments.
  • This embodiment also provides a communication system including a base station and user equipment, where:
  • the user equipment is configured to determine the PHR according to the method for determining the PHR shown in the foregoing embodiments, and send the determined PHR to the base station.
  • the user equipment when the user equipment reports the PHR to the base station, it may identify whether the PHR of each carrier is a real PHR or a virtual PHR, and the base station may confirm whether the PHR of each carrier is a real PHR or a virtual PHR according to these identifiers.
  • the base station is not limited to use this example to judge.
  • the base station is configured to receive the PHR sent by the user equipment.
  • This embodiment also provides a computer-readable storage medium that is implemented in any method or technology for storing information, such as computer-readable instructions, data structures, computer program modules, or other data. Volatile or non-volatile, removable or non-removable media.
  • Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory, Read-Only Memory), EEPROM (Electrically Erasable, Programmable, Read-Only Memory, and Erasable Programmable Read-Only Memory) ), Flash memory or other memory technology, CD-ROM (Compact Disc Read-Only Memory), digital versatile disk (DVD) or other optical disk storage, magnetic box, magnetic tape, disk storage or other magnetic storage devices, Or any other medium that can be used to store desired information and can be accessed by a computer.
  • the computer-readable storage medium in this embodiment may be used to store one or more computer programs, and the one or more computer programs may be executed by one or more processors to implement the foregoing embodiments. Steps in the method of determining PHR.
  • This embodiment also provides a computer program (or computer software), which can be distributed on a computer-readable medium and executed by a computable device to implement the method for determining a PHR as shown in the above embodiments. At least one step; and in some cases, at least one step shown or described may be performed in an order different from that described in the above embodiments.
  • This embodiment also provides a computer program product including a computer-readable device, where the computer-readable device stores the computer program as shown above.
  • the computer-readable device in this embodiment may include a computer-readable storage medium as shown above.
  • a communication medium typically contains computer-readable instructions, data structures, computer program modules, or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium. Therefore, the present invention is not limited to any specific combination of hardware and software.

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

Abstract

La présente invention concerne un procédé et un dispositif pour déterminer un PHR, et un équipement utilisateur, un système et un support de stockage, le PHR étant rapporté sur la première porteuse, la ressource de transmission sur la première porteuse pour envoyer le PHR peut être déterminée, puis la période de référence d'une seconde porteuse, autre que la première porteuse, parmi une pluralité de porteuses, est déterminée selon la ressource de transmission déterminée, et le mode de génération de PHR de la seconde porteuse est déterminé selon la transmission en liaison montante ou les informations d'ordonnancement de transmission en liaison montante de la seconde porteuse au sein de la période de référence.
PCT/CN2019/109081 2018-09-29 2019-09-29 Procédé et dispositif de détermination de phr, équipement utilisateur, système et support de stockage WO2020063969A1 (fr)

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