WO2020230196A1 - Terminal utilisateur et procédé de communication sans fil - Google Patents

Terminal utilisateur et procédé de communication sans fil Download PDF

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Publication number
WO2020230196A1
WO2020230196A1 PCT/JP2019/018778 JP2019018778W WO2020230196A1 WO 2020230196 A1 WO2020230196 A1 WO 2020230196A1 JP 2019018778 W JP2019018778 W JP 2019018778W WO 2020230196 A1 WO2020230196 A1 WO 2020230196A1
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WIPO (PCT)
Prior art keywords
type
pusch
tpc command
transmission
transmission power
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PCT/JP2019/018778
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English (en)
Japanese (ja)
Inventor
優元 ▲高▼橋
翔平 吉岡
聡 永田
リフェ ワン
ギョウリン コウ
Original Assignee
株式会社Ｎｔｔドコモ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to CN201980097698.4A priority Critical patent/CN113994741A/zh
Priority to PCT/JP2019/018778 priority patent/WO2020230196A1/fr
Publication of WO2020230196A1 publication Critical patent/WO2020230196A1/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
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]

Definitions

  • the present disclosure relates to a user terminal and a wireless communication method in a next-generation mobile communication system.
  • LTE Long Term Evolution
  • 3GPP Rel.10-14 LTE-Advanced (3GPP Rel.10-14) has been specified for the purpose of further increasing the capacity and sophistication of LTE (Third Generation Partnership Project (3GPP) Release (Rel.) 8, 9).
  • a successor system to LTE for example, 5th generation mobile communication system (5G), 5G + (plus), New Radio (NR), 3GPP Rel.15 or later, etc.) is also being considered.
  • 5G 5th generation mobile communication system
  • 5G + plus
  • NR New Radio
  • 3GPP Rel.15 or later, etc. is also being considered.
  • UE user terminal
  • traffic types services
  • the plurality of services include, for example, high-speed and large-capacity services with different requirements (for example, services related to eMBB: enhanced Mobile Broad Band (eMBB service)) and ultra-high reliability and low latency services (for example, URLLC). : There are services related to Ultra Reliable and Low Latency Communications (URLLC service).
  • eMBB enhanced Mobile Broad Band
  • URLLC ultra-high reliability and low latency services
  • control when the UE uses multiple services has not yet been sufficiently examined. If the transmission power control is not performed properly, the communication quality and the like may deteriorate.
  • one of the purposes of the present disclosure is to provide a user terminal and a wireless communication method capable of appropriately controlling transmission power.
  • the user terminal is a receiving unit that receives predetermined downlink control information used for transmitting a transmission power control command applied to at least one of a first type uplink channel and a second type uplink channel. And the information transmitted from the network, the information specified by the predetermined block included in the predetermined downlink control information, the format of the predetermined downlink control information, and the uplink of the first type or the second type are scheduled. It is characterized by having a control unit that controls application of a transmission power control command included in the predetermined downlink control information based on at least one of the downlink control information.
  • the transmission power can be appropriately controlled.
  • FIG. 1 is a diagram showing an example of a DCI format for transmitting a TPC command.
  • FIG. 2 is a diagram illustrating a problem of applying a DCI format for transmitting a TPC command by introducing a plurality of services.
  • 3A and 3B are diagrams showing an example of in-order processing and out-of-order processing.
  • FIG. 4 is a diagram showing an example of out-of-order processing.
  • FIG. 5 is a diagram showing another example of out-of-order processing.
  • FIG. 6 is a diagram showing an example of transmission power control according to the first aspect.
  • 7A and 7B are diagrams showing another example of transmission power control according to the first aspect.
  • 8A and 8B are diagrams showing an example of transmission power control according to the second aspect.
  • FIGS. 9A and 9B are diagrams showing another example of transmission power control according to the second aspect.
  • 10A and 10B are diagrams showing an example of transmission power control according to the third aspect.
  • FIG. 11 is a diagram showing another example of transmission power control according to the third aspect.
  • FIG. 12 is a diagram showing an example of a schematic configuration of a wireless communication system according to an embodiment.
  • FIG. 13 is a diagram showing an example of the configuration of the base station according to the embodiment.
  • FIG. 14 is a diagram showing an example of the configuration of the user terminal according to the embodiment.
  • FIG. 15 is a diagram showing an example of the hardware configuration of the base station and the user terminal according to the embodiment.
  • Service / Type In future wireless communication systems (eg, NR), further sophistication of mobile broadband (eg enhanced Mobile Broadband (eMBB)), machine type communication that realizes multiple simultaneous connections (eg massive Machine Type Communications (mMTC), Internet) Traffic types (also referred to as types, services, service types, communication types, use cases, etc.) such as of Things (IoT)), high-reliability and low-latency communications (eg, Ultra-Reliable and Low-Latency Communications (URLLC)). Is assumed. For example, URLLC requires less delay and higher reliability than eMBB.
  • eMBB enhanced Mobile Broadband
  • mMTC massive Machine Type Communications
  • URLLC Ultra-Reliable and Low-Latency Communications
  • the traffic type may be identified at the physical layer based on at least one of the following: -Logical channels with different priorities-Modulation and Coding Scheme (MCS) table (MCS index table) -Channel Quality Indication (CQI) table-DCI format-Used for scramble (mask) of Cyclic Redundancy Check (CRC) bits included (added) in the DCI (DCI format).
  • MCS Modulation and Coding Scheme
  • CQI Channel Quality Indication
  • CRC Cyclic Redundancy Check
  • the traffic type of HARQ-ACK for PDSCH may be determined based on at least one of the following: An MCS index table (for example, MCS index table 3) used to determine at least one of the PDSCH modulation order, target code rate, and transport block size (TBS).
  • An MCS index table for example, MCS index table 3
  • TBS transport block size
  • -RNTI used for CRC scrambling of DCI used for scheduling the PDSCH (for example, whether CRC scrambled by C-RNTI or MCS-C-RNTI).
  • the SR traffic type may be determined based on the upper layer parameter used as the SR identifier (SR-ID).
  • the upper layer parameter may indicate whether the SR traffic type is eMBB or URLLC.
  • the CSI traffic type may be determined based on the configuration information (CSIreportSetting) related to CSI reporting.
  • the setting information may indicate whether the traffic type of the CSI is eMBB or URLLC. Further, the setting information may be an upper layer parameter.
  • the traffic type of PUSCH may be determined based on at least one of the following.
  • -The MCS index table used to determine at least one of the modulation order, target coding rate, and TBS of the PUSCH (for example, whether or not to use the MCS index table 3).
  • -RNTI used for CRC scrambling of DCI used for scheduling the PUSCH (for example, whether CRC scrambled by C-RNTI or MCS-C-RNTI).
  • the traffic type may be associated with communication requirements (requirements such as delay and error rate, requirement conditions), data type (voice, data, etc.) and the like.
  • the difference between the URLLC requirement and the eMBB requirement may be that the URLLC latency is smaller than the eMBB delay, or the URLLC requirement may include a reliability requirement.
  • the eMBB user (U) plane delay requirement may include that the downlink U-plane delay is 4 ms and the uplink U-plane delay is 4 ms.
  • the URLLC U-plane delay requirement may include that the downlink U-plane delay is 0.5 ms and the uplink U-plane delay is 0.5 ms.
  • the reliability requirement of URLLC may also include a 32-byte error rate of 10-5 for a 1 ms U-plane delay.
  • the transmission power of PUSCH or PUCCH is controlled based on the power control information indicated by the value of a predetermined field (also referred to as TPC command field, first field, etc.) in DCI used for scheduling PUSCH or PDSCH.
  • a predetermined field also referred to as TPC command field, first field, etc.
  • DCIs may be referred to as DCI formats 0_0, 0_1.
  • the power control information may be called a TPC command (also referred to as a value, an increase / decrease value, a correction value, etc.).
  • the NR supports the DCI format (eg DCI format 2_2) used to transmit TPC commands for at least one of PUCCH and PUSCH.
  • the UE controls at least one transmission power of PUCCH and PUSCH based on the value indicated by the TPC command in the DCI format.
  • the DCI format used for transmitting the TPC command may have a configuration that is not used (does not include scheduling information) in the PDSCH or PUSCH schedule.
  • the network (for example, a base station) can control the UL transmission power of the UE by using the DCI format for TPC command transmission (for example, DCI format 2_2) in the UL transmission that does not require scheduling for each PUSCH transmission.
  • the UL transmission that does not require scheduling for each PUSCH transmission may be, for example, a set grant-based PUSCH transmission, UL semi-persistent scheduling (UL SPS), or the like.
  • the DCI format for TPC command transmission may be used to change the UL transmission power of the PUSCH after the predetermined PUSCH scheduling has been performed.
  • the CRC bit of the DCI format (for example, DCI format 2_2) for transmitting the TPC command is a scramble identifier different from the DCI format for other purposes (for example, DCI format 0_0, 0_1, 1_0, 1_1, 2_0, 2_1, 2_3, etc.). May be scrambled (masked) with.
  • DCI format 2_2 may be scrambled with TPC-RNTI (at least one of TPC-PUSCH-RNTI and TPC-PUCCH-RNTI).
  • the RNTI applied to the DCI format for transmitting TPC commands may be unique to a predetermined UE group.
  • the TPC command notified in the DCI format for transmitting the TPC command may be called a group common TPC command.
  • the UE can distinguish between the DCI format used for transmitting the TPC command for at least one of PUCCH and PUSCH and the DCI format for other purposes by a plurality of different scramble identifiers.
  • the information indicating TPC-RNTI may be notified (or set) from the radio base station to the UE by higher layer signaling.
  • FIG. 1 shows an example of a DCI format (for example, DCI format 2_2) for transmitting a TPC command.
  • the DCI format 2_2 may include N (N ⁇ 1) blocks. Each block is composed of a predetermined number of bits and may include predetermined information.
  • FIG. 1 shows a case where block # 1 corresponds to UE # 1, block # 2 corresponds to UE # 2, and block # 3 corresponds to UE # 3.
  • the UE may determine the block corresponding to the own terminal based on the information notified from the base station.
  • the information notified from the base station to the UE may be transmitted by a higher layer parameter (for example, tpc-PUSCH or tpc-PUCCH).
  • the number of blocks and the number of bits included in the DCI format 2_2 are not limited to the configuration shown in FIG.
  • the TPC command specified by DCI (for example, at least one of DCI formats 0_0, 0_1, and 2_2) for each PUSCH or PUCCH transmission may be accumulated (tpc-accumulation).
  • the UE may be set from the network (for example, a base station) as to whether or not to accumulate TPC commands.
  • the base station may notify the UE whether or not the TPC command is accumulated by using higher layer signaling (for example, tpc-Accummlation).
  • the UE may determine the transmission power in consideration of the TPC commands notified by a predetermined DCI (or PDCCH). Further, the TPC command may be included in one of the parameters of the power control adjustment state defined by the predetermined mathematical expression (for example, a part of the predetermined mathematical expression).
  • the power control adjustment state may be set to have a plurality of states (for example, two states) or a single state depending on the upper layer parameter. Further, when a plurality of power control adjustment states are set, one of the plurality of power control adjustment states may be identified by the index l (for example, l ⁇ ⁇ 0,1 ⁇ ).
  • the power control adjustment state may be referred to as a PUSCH power control adjustment state, a first or second state, or the like.
  • the index of the power control adjustment state may be determined based on the information notified by DCI.
  • information about the index l may be included in a predetermined field of DCI format 2_2 (for example, a closed loop notification (Closed loop indicator) field).
  • the UE may separately control the accumulation of TPC commands for each index of the power control adjustment state. For example, when a plurality of power control adjustment state indexes are set, the UE may perform transmission power control (for example, accumulation of TPC commands) for each index.
  • transmission power control for example, accumulation of TPC commands
  • the NR supports a method of determining the transmission power (for example, by accumulating) in consideration of the TPC command included in the DCI (or DCI format) for transmitting the TPC command.
  • the UE transmits a plurality of uplink channels of different types (or services) (eg, at least one of PUSCH and PUCCH), how is the transmission power (eg, application or storage of TPC commands)? The problem is whether to control it.
  • the TPC command (for example, group common) included in the DCI for transmitting the TPC command is transmitted.
  • the problem is how to apply the TPC command).
  • the present inventors have studied a method for appropriately controlling the transmission power of UL transmission when transmitting uplink channels corresponding to a plurality of types (or services), and have reached the present invention.
  • the uplink shared channel (for example, PUSCH) will be described as an example of the UL channel (or UL physical channel), but the uplink control channel may be similarly applied.
  • PUSCH may be read as PUCCH and applied.
  • Case 1 corresponds to a case (in-order) in which the transmission processing of PUSCH # A and the transmission processing of PUSCH # B having different types (or priorities) are started and completed in the same order (see FIG. 3A).
  • the UE first receives PDCCH # A (or DCI # A) instructing transmission of PUSCH # A, and then PDCCH # B (or DCI # B) instructing transmission of PUSCH # B. To receive. Then, the UE transmits PUSCH # B after transmitting PUSCH # A.
  • Case 2 corresponds to a case (out-of-order) in which the order of starting and completing the transmission processing of PUSCH # A and the transmission processing of PUSCH # B, which are different in type (or priority), is reversed (out of order). reference).
  • the out-of-order will be described below.
  • FIG. 4 is a diagram showing another example of out-of-order processing.
  • the first process described above corresponds to a process of receiving PDCCH # 1, transmitting PUSCH # 1 corresponding to the PDCCH # 1, or receiving the corresponding PDSCH # 1.
  • the second process described above corresponds to a process of receiving PDCCH # 2, transmitting PUSCH # 2 corresponding to the PDCCH # 2, or receiving the corresponding PDSCH # 2.
  • the time between PDCCH # 1 and PUSCH # 1 / PDSCH # 1 is considerably larger than the time between PDCCH # 2 and PUSCH # 2 / PDSCH # 2, and the first process and the second process are out. It is of order. Specifically, PUSCH # 2 / PDSCH # 2 related to PDCCH # 2 received after PDCCH # 1 is transmitted and received before PUSCH # 1 / PDSCH # 1 related to the PDCCH # 1.
  • PUSCH # X / PDSCH # X of the present disclosure may be read as at least one of PUSCH # X and PDSCH # X.
  • out-of-order processing as shown in FIG. 4 is related to the scheduling of PUSCH / PDSCH, it may be called out-of-order scheduling, out-of-order PUSCH / PDSCH, or the like.
  • FIG. 5 is a diagram showing another example of out-of-order processing.
  • the first process described above is a process of receiving the first PDSCH (PDSCH # 1) and transmitting the first HARQ-ACK (HARQ-ACK # 1) corresponding to the PDSCH # 1.
  • the second process described above corresponds to a process of receiving the second PDSCH (PDSCH # 2) and transmitting the second HARQ-ACK (HARQ-ACK # 2) corresponding to the PDSCH # 2.
  • K1 shown in FIG. 5 is a parameter indicating the transmission timing of HARQ-ACK corresponding to the received PDSCH, and may be determined based on the DCI that schedules the PDSCH (for example, the timing instruction of HARQ corresponding to PDSCH).
  • Field may be specified by PDSCH-to-HARQ-timing-indicator field).
  • the HARQ-ACK # 2 related to the PDSCH # 2 received after the PDSCH # 1 is transmitted before the HARQ-ACK # 1 related to the PDSCH # 1.
  • Out-of-order processing as shown in FIG. 5 is called out-of-order PDSCH-HARQ-ACK flow, out-of-order HARQ-ACK, etc. because the order of PDSCH and the corresponding order of HARQ-ACK are reversed. You may.
  • the start timing of the PUSCH # B transmission process (PDCCH # B transmission) is earlier than the start timing of the PUSCH # A transmission process (PDCCH # A transmission), but the PUSCH # A transmission completion timing. Is earlier than the transmission completion timing of PUSCH # B.
  • PUSCH # A is URLLC data
  • PUSCH # B is eMBB data (a case where URLLC data having a higher importance or priority interrupts the eMBB data) is assumed.
  • PUSCH # A is eMBB data
  • PUSCH # B is URLLC data
  • the types applicable in this embodiment include, for example, high speed and large capacity (for example, enhanced Mobile Broad Band (eMBB)), ultra-multi-terminal (for example, massive Machine Type Communication (mMTC)), ultra-high reliability and low capacity.
  • eMBB enhanced Mobile Broad Band
  • mMTC massive Machine Type Communication
  • Delays eg, Ultra Reliable and Low Latency Communications (URLLC) and the like can be mentioned.
  • the first aspect applies a TPC command contained in a predetermined DCI (or DCI format) for transmitting a TPC command to at least one of a plurality of types of UL channel transmission.
  • a DCI format (for example, DCI format 2_2) different from the DCI format used for scheduling PUSCH or PDSCH may be applied to the predetermined DCI for transmitting the TPC command.
  • the format of the DCI for transmitting the TPC command may be scrambled with a predetermined RNTI (eg, TPC-RNTI (at least one of TPC-PUSCH-RNTI and TPC-PUCCH-RNTI)).
  • the UE may apply the TPC command included in the DCI to the transmission power for transmitting any type of UL channel (for example, PUSCH).
  • the UE may apply at least one of the following options 1-3 as the PUSCH to which the TPC command is applied.
  • PUSCH # A corresponding to the first type for example, URLLC
  • PUSCH # B corresponding to the second type for example, eMBB
  • the type of PUSCH is not limited to this.
  • PUSCH # A corresponding to the first type corresponds to PUSCH scheduled to PDCCH (or DCI) notifying the first priority
  • PUSCH # B corresponding to the second type is the first. It may correspond to a PUSCH scheduled on a PDCCH (or DCI) notifying a second priority that is lower than the priority.
  • applying the TPC command to the transmission power of the PUSCH means applying the TPC command to the determination of the transmission power of a certain PUSCH and applying the TPC command to the determination of the transmission power of a certain PUSCH. It may be interpreted as at least one of the cases where the TPC command is also accumulated at the same time.
  • the UE may control the TPC command contained in the predetermined DCI to be applied (for example, stored) to the transmission power of both the first type PUSCH # A and the second type PUSCH # B (see FIG. 6). ).
  • FIG. 6 shows a case where PUSCH # A scheduled by PDCCH # A (or DCI # A) and PUSCH # B scheduled by PDCCH # B (or DCI # B) are transmitted.
  • the UE determines the transmission power of PUSCH # A and the transmission power of PUSCH # B in consideration of the TPC command # C included in the predetermined PDCCH # C (or the predetermined DCI # C).
  • PDCCH # A (or DCI # A) includes TPC command # A
  • the UE may determine the transmission power of PUSCH # A in consideration of TPC command # A and TPC command # C.
  • the presence / absence of accumulation of TPC command # A and the presence / absence of accumulation of TPC command # C may be set separately.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE may determine the transmission power of PUSCH # B in consideration of TPC command # B and TPC command # C. Good.
  • the presence / absence of accumulation of TPC command # B and the presence / absence of accumulation of TPC command # C may be set separately.
  • the UE may control the accumulation of TPC commands based on the index of the power control adjustment state. That is, TPC commands corresponding to the same index may be accumulated.
  • Information about the index of the power control adjustment state may be included in a predetermined DCI (for example, each block included in the predetermined DCI).
  • the transmission power of the plurality of types of PUSCH transmission is commonly controlled. be able to.
  • the UE may selectively apply the TPC command contained in the predetermined DCI to the transmission power of the predetermined type of PUSCH. For example, the UE may control that the TPC command included in the predetermined DCI is not applied to the transmission power of the first type PUSCH # A, but is applied only to the transmission power of the second type PUSCH # B. Good (see Figure 7A).
  • the UE determines the transmission power of PUSCH # B in consideration of the TPC command # C included in the predetermined PDCCH # C (or the predetermined DCI # C).
  • PDCCH # A (or DCI # A) includes TPC command # A
  • the UE determines the transmission power of PUSCH # A in consideration of TPC command # A (without considering TPC command # C). You may.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE may determine the transmission power of PUSCH # B in consideration of TPC command # B and TPC command # C.
  • the presence / absence of accumulation of TPC command # B and the presence / absence of accumulation of TPC command # C may be set separately.
  • the UE may control the accumulation of TPC commands based on the index of the power control adjustment state. That is, TPC commands corresponding to the same index may be accumulated.
  • Information about the index of the power control adjustment state may be included in a predetermined DCI (for example, each block included in the predetermined DCI).
  • the transmission power can be flexibly controlled for each type of PUSCH. it can.
  • the UE may control the TPC command included in the predetermined DCI so as not to be applied to the transmission power of the second type PUSCH # A but to be applied only to the transmission power of the first type PUSCH # B ( See FIG. 7B).
  • the UE determines the transmission power of PUSCH # A in consideration of the TPC command # C included in the predetermined PDCCH # C (or the predetermined DCI # C).
  • PDCCH # A (or DCI # A) includes TPC command # B
  • the UE may determine the transmission power of PUSCH # A in consideration of TPC command # A and TPC command # C.
  • the presence / absence of accumulation of TPC command # A and the presence / absence of accumulation of TPC command # C may be set separately.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE determines the transmission power of PUSCH # B in consideration of TPC command # B (without considering TPC command # C). You may.
  • the UE may control the accumulation of TPC commands based on the index of the power control adjustment state. That is, TPC commands corresponding to the same index may be accumulated.
  • Information about the index of the power control adjustment state may be included in a predetermined DCI (for example, each block included in the predetermined DCI).
  • the transmission power can be flexibly controlled for each type of PUSCH. it can.
  • the UE may determine an uplink channel (for example, a predetermined type of PUSCH) to which the TPC command included in the predetermined DCI is applied based on a predetermined condition.
  • the predetermined condition may be at least one of the contents defined in the specifications in advance, the information transmitted from the network (for example, the base station), the RNTI applied to the CRC of the DCI that schedules the PUSCH, and the transmission configuration of the PUSCH. Good.
  • the UE applies the options defined in use to control the application of the TPC commands contained in the given DCI.
  • the UE may determine which options to apply based on at least one of the higher layer signaling and downlink control information transmitted from the network (eg, base station).
  • the network eg, base station
  • the UE may determine the options to apply based on the type of RNTI used for CRC scrambling of the DCI (eg DCI format 1_0 or 1_1) instructing the transmission of the PUSCH. For example, an option applied to a PUSCH scheduled on a PDCCH scrambled by a first RNTI (eg C-RNTI) and a PUSCH scheduled on a PDCCH scrambled by a second RNTI (eg CS-RNTI). May be set separately.
  • a first RNTI eg C-RNTI
  • a PUSCH scheduled on a PDCCH scrambled by a second RNTI eg CS-RNTI
  • option 1 is applied to a PUSCH scheduled on a PDCCH scrambled on a first RNTI (eg C-RNTI) and scheduled on a PDCCH scrambled on a second RNTI (eg CS-RNTI).
  • Option 3 may be applied to the scrambled PUSCH.
  • the UE may determine which options to apply based on the PUSCH transmission configuration (eg, dynamic grant-based PUSCH transmission or configuration grant-based PUSCH transmission). As an example, the UE applies the first option (eg, option 3) if a configured grant-based parameter (eg, configuredGrantConfig) is set, otherwise the second option (eg, option 1). ) May be applied.
  • the first option eg, option 3
  • a configured grant-based parameter eg, configuredGrantConfig
  • TPC command field bits (2 bits) included in the DCI and the TPC command value (or TPC value) is a table (also called a TPC command table). It is defined in. If more than one type of UL channel transmission is supported, it is also expected that the range of TPC values and the size of the TPC command table (eg, the number of bits) will be extended.
  • extension method 1 when introducing another TPC command table (new table) while maintaining the size of the TPC command table (2 bits) (extension method 1), and increasing the size of the TPC command table (for example, 2). At least one of the cases (extension method 2) of changing from a bit to 3 bits or more can be considered.
  • extension method 2 the application of the TPC command included in the predetermined DCI for transmitting the TPC command may be controlled as follows for each extension method.
  • a new TPC command table may be defined or set for a predetermined type (eg, URLLC).
  • a predetermined type eg, URLLC
  • the UE may apply the TPC command only to the transmission power of PUSCH # A corresponding to the predetermined type (for example, URLLC).
  • the first TPC command table may be a new TPC command table.
  • the UE applies the TPC command only to the transmission power of PUSCH # B corresponding to another type (for example, eMBB). You may.
  • the second TPC command table may be a TPC command table defined in an existing specification (for example, Rel.15).
  • the UE applies the TPC command to both the transmission powers of the plurality of types of PUSCH (for example, PUSCH # A and PUSCH # B). May be applied.
  • the UE transfers the TPC command to both the transmission powers of multiple types of PUSCH (for example, PUSCH # A and PUSCH # B). May be applied to.
  • a TPC command table having 3 bits or more may be defined or set for a predetermined type (for example, URLLC).
  • a predetermined type for example, URLLC.
  • 2 bits are set as the 2-bit TPC command value (second TPC value) defined in the existing specifications, and the remaining TPC bit value (first TPC value) is used. It may be defined or set for a given type.
  • the UE may apply the TPC command only to the transmission power of PUSCH # A corresponding to the predetermined type (for example, URLLC).
  • the UE transmits the TPC command to the PUSCH # A corresponding to the predetermined type (for example, URLLC). It may be applied only to electric power.
  • the first TPC command table may be a TPC command table defined by 3 bits or more.
  • the UE applies the TPC command only to the transmission power of PUSCH # B corresponding to another type (for example, eMBB).
  • the second TPC command table may be a TPC command table defined in an existing specification (for example, Rel.15).
  • the UE transmits the TPC command to PUSCH # B corresponding to the predetermined type (for example, eMBB). It may be applied only to electric power.
  • the UE may issue the TPC command to a plurality of types of PUSCH (for example, PUSCH # A and PUSCH). It may be applied to both the transmission power of # B).
  • the TPC command included in the predetermined DCI corresponds to the second TPC command table (or the second TPC value of the first TPC command table)
  • the UE issues the TPC command to a plurality of types of PUSCH. It may be applied to both transmission powers (for example, PUSCH # A and PUSCH # B).
  • the UL channel to which the TPC command is applied can be appropriately determined by configuring the PUSCH to which the TPC command included in the predetermined DCI is applied based on the TPC command table to be applied.
  • DCI format 2_2 is supported as the DCI format for transmitting TPC commands. If multiple types of UL channel transmission are supported, it is expected that in addition to DCI format 2_2, a new DCI format corresponding to a given type will be introduced.
  • the new DCI format may correspond to a predetermined type (eg, URLLC) and the DCI format 2_2 may correspond to another type (eg, eMBB).
  • the new DCI format may be group common or UE-specific.
  • the UL channel to which the TPC command included in the DCI format 2_2 is applied and the UL channel to which the TPC command included in the new DCI format is applied may be set separately.
  • the TPC command included in the DCI format 2_2 may apply the above option 2
  • the TPC command included in the new DCI format may apply the above option 1.
  • the TPC command included in the DCI format 2_2 may apply the option 1 above
  • the TPC command included in the new DCI format may apply the option 3 above.
  • the type of UL channel is set separately for each of N blocks (N ⁇ 1) included in a predetermined DCI (or DCI format) for transmitting a TPC command.
  • a DCI format (for example, DCI format 2_2) different from the DCI format used for scheduling PUSCH or PDSCH may be applied to the predetermined DCI for transmitting the TPC command.
  • the format of the DCI for transmitting the TPC command may be scrambled with a predetermined RNTI (eg, TPC-RNTI (at least one of TPC-PUSCH-RNTI and TPC-PUCCH-RNTI)).
  • the UE When the UE receives the DCI for transmitting the TPC command, the UE sends the TPC command contained in the predetermined block out of the N blocks (N ⁇ 1) included in the DCI to any type of UL channel (for example, PUSCH). It may be applied to the transmission power of transmission.
  • a predetermined type of PUSCH may be associated with each block number (or block index) included in the predetermined DCI.
  • the UE determines a predetermined block number (for example, a block number for its own terminal) among the N blocks included in the predetermined DCI. Then, the UE may apply the TPC command included in the predetermined block number to the transmission power of the predetermined type PUSCH corresponding to the predetermined block number.
  • Information on the predetermined block number may be notified from the network (for example, the base station) to the UE by an upper layer parameter (for example, tpc-PUSCH or tpc-PUCCH).
  • the UE can determine a predetermined block number based on the information notified from the base station.
  • the UE may determine the type (or PUSCH) corresponding to the predetermined block number based on the predetermined information.
  • the predetermined information may be information notified from the base station to the UE.
  • each block may include information about the type of PUSCH to which the block corresponds (see FIG. 8).
  • FIG. 8 shows a case where bit information (1 bit in FIG. 8A and 2 bits in FIG. 8B) that specifies the type of PUSCH corresponding to each block is included.
  • the UE After determining the predetermined block number for the own terminal, the UE determines the type (or PUSCH) to which the TPC command is applied based on the information contained in the predetermined block.
  • the bit that specifies PUSCH is 1 bit as shown in FIG. 8A
  • two types (or two states) of PUSCH types can be notified to the UE.
  • the two types may be "first type (eg, URLLC)" and “second type (eg, eMBB)".
  • the two types may be a "first type” and a "first type and a second type”.
  • the bit for specifying PUSCH is 2 bits as shown in FIG. 8B
  • 4 types (or 4 states) of PUSCH types can be notified to the UE.
  • the four types are at least "first type (eg, URLLC)", “second type (eg, eMBB)", and “first type and second type (eg, eMBB / URLLC)”. It may include three states.
  • the number of bits and the type for specifying the PUSCH type are not limited to the configuration shown in FIG.
  • UE # 1 applies the TPC command included in block # 1 to the transmission power of PUSCH # A for URLLC (or has a high priority).
  • the UE may determine the type of PUSCH to which the TPC command included in the predetermined block is applied based on the information notified by the upper layer signaling.
  • Information about the type corresponding to the predetermined block may be notified to the UE separately from the upper layer parameter for notifying the information regarding the predetermined block number, or may be included in the upper layer parameter for notifying the information regarding the predetermined block number to notify the UE. You may.
  • the PUSCH type to which the TPC command is applied can be flexibly controlled for each UE by allowing the PUSCH type corresponding to each block included in the predetermined DCI for TPC command transmission to be set separately. It becomes possible.
  • one or more blocks may be set for one UE.
  • a predetermined DCI includes a plurality of blocks
  • two or more blocks may be set in the same UE (see FIG. 9A).
  • FIG. 9A of the three blocks # 1 to # 3 constituting the predetermined DCI, two blocks # 1 and # 2 are set to UE # 1, and block # 3 is set to UE # 2. Shown.
  • the block number set in each UE may be notified to the UE using a predetermined upper layer parameter (for example, tpc-PUSCH or tpc-PUCCH).
  • a predetermined upper layer parameter for example, tpc-PUSCH or tpc-PUCCH.
  • FIG. 9A shows a case where the block # 1 is associated with the PUSCH of the first type (for example, URLLC) and the block # 2 is associated with the PUSCH of the second type (for example, eMBB).
  • the first type for example, URLLC
  • the block # 2 is associated with the PUSCH of the second type (for example, eMBB).
  • FIG. 9A shows a case where the block # 3 is associated with both the first type PUSCH and the second type PUSCH.
  • Information on the type of PUSCH associated with each block may be included in the information of each block and notified to the UE, or may be notified to the UE using upper layer signaling.
  • the UE determines the transmission power of the PUSCH corresponding to the predetermined block in consideration of the TPC command included in the predetermined block for the own terminal. For example, UE # 1 applies the TPC command contained in block # 1 to the transmission power of the first type PUSCH # A, and applies the TPC command contained in block # 2 to the transmission power of the second type PUSCH # B. Apply (see Figure 9B). In addition, UE # 2 applies the TPC command included in block # 3 to the transmission power of the first type PUSCH # A and the second type PUSCH # B.
  • the TPC command is applied by setting a plurality of blocks included in a predetermined DCI for transmitting the TPC command to the same UE and allowing the corresponding PUSCH type to be set separately for each block. It is possible to flexibly control the PUSCH type to be used.
  • a plurality of DCIs (or DCI formats) for transmitting TPC commands are introduced, and the UL channel type corresponding to each DCI format is set separately.
  • a DCI format different from the DCI format used for scheduling PUSCH or PDSCH may be applied to the plurality of DCI formats for transmitting TPC commands.
  • the format of the plurality of DCIs for transmitting the TPC command may be scrambled with a predetermined RNTI (for example, TPC-RNTI (at least one of TPC-PUSCH-RNTI and TPC-PUCCH-RNTI)).
  • the plurality of DCI formats for transmitting a TPC command include a DCI format for transmitting a first TPC command (for example, DCI format 2_2_0), a DCI format for transmitting a second TPC command (for example, DCI format 2_2_1), and. It may include at least two DCI formats (eg, DCI format 2_2_2) for transmitting a third TPC command.
  • the DCI format for transmitting the first TPC command may correspond to the PUSCH of the second type (for example, eMBB).
  • the DCI format for transmitting the second TPC command (for example, DCI format 2_2_1) may correspond to the PUSCH of the first type (for example, URLLC).
  • the DCI format for transmitting the third TPC command (for example, DCI format 2_2_2) may correspond to the first type PUSCH and the second type PUSCH.
  • the UE may selectively apply the TPC command included in the DCI format for transmitting the first TPC command (for example, DCI format 2_2_0) to the transmission power of a predetermined type of PUSCH. For example, the UE does not apply the TPC command contained in DCI format 2_2_0 to the transmission power of the first type PUSCH # A, but applies (for example, stores) only the transmission power of the second type PUSCH # B. (See FIG. 10A).
  • FIG. 10A shows a case where PUSCH # A scheduled by PDCCH # A (or DCI # A) and PUSCH # B scheduled by PDCCH # B (or DCI # B) are transmitted.
  • the UE may determine the transmission power of the PUSCH # B in consideration of the TPC command # C included in the DCI format 2_2_0 (or a predetermined PDCCH # C).
  • PDCCH # A (or DCI # A) includes TPC command # A
  • the UE determines the transmission power of PUSCH # A in consideration of TPC command # A (without considering TPC command # C). You may.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE may determine the transmission power of PUSCH # B in consideration of TPC command # B and TPC command # C.
  • the presence / absence of accumulation of TPC command # B and the presence / absence of accumulation of TPC command # C may be set separately.
  • the transmission power can be flexibly controlled for each type of PUSCH.
  • the UE may selectively apply the TPC command included in the DCI format for transmitting the second TPC command (for example, DCI format 2_2_1) to the transmission power of a predetermined type of PUSCH. For example, the UE does not apply the TPC command contained in the DCI format 2_2_1 to the transmission power of the second type PUSCH # B, but applies (for example, stores) only the transmission power of the first type PUSCH # A. (See FIG. 10B).
  • FIG. 10B shows a case where PUSCH # A scheduled by PDCCH # A (or DCI # A) and PUSCH # B scheduled by PDCCH # B (or DCI # B) are transmitted.
  • the UE may determine the transmission power of the PUSCH # A in consideration of the TPC command # C included in the DCI format 2_2_1 (or the predetermined PDCCH # C).
  • PDCCH # A (or DCI # A) includes TPC command # A
  • the UE may determine the transmission power of PUSCH # A in consideration of TPC command # A and TPC command # C.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE determines the transmission power of PUSCH # B in consideration of TPC command # B (without considering TPC command # C). You may.
  • the presence / absence of accumulation of TPC command # A and the presence / absence of accumulation of TPC command # C may be set separately.
  • the transmission power can be flexibly controlled for each type of PUSCH.
  • the UE applies the TPC command contained in the DCI format for transmitting the third TPC command (for example, DCI format 2_2_2) to the transmission power of both the first type PUSCH # A and the second type PUSCH # B (for example).
  • Accumulation may be controlled (see FIG. 11).
  • FIG. 11 shows a case where PUSCH # A scheduled by PDCCH # A (or DCI # A) and PUSCH # B scheduled by PDCCH # B (or DCI # B) are transmitted.
  • the UE may determine the transmission power of PUSCH # A in consideration of TPC command # A and TPC command # C.
  • the presence / absence of accumulation of TPC command # A and the presence / absence of accumulation of TPC command # C may be set separately.
  • PDCCH # B (or DCI # B) includes TPC command # B
  • the UE may determine the transmission power of PUSCH # B in consideration of TPC command # B and TPC command # C. Good.
  • the presence / absence of accumulation of TPC command # B and the presence / absence of accumulation of TPC command # C may be set separately.
  • the transmission power of the plurality of types of PUSCH transmission can be controlled in common.
  • a plurality of DCI formats for transmitting TPC commands may be set separately from the DCI format 2_2 defined in the existing specifications (for example, Rel.15).
  • one of the plurality of DCI formats for transmitting the TPC command may have the same configuration as the DCI format 2_2 defined in the existing specifications (for example, Rel.15).
  • the DCI format for transmitting the first TPC command (for example, DCI format 2_2_0) may be the DCI format 2_2 defined in the existing specifications (for example, Rel.15).
  • the newly introduced DCI format 2_2_1 corresponds to the PUSCH of the first type (for example, URLLC)
  • the DCI format 2_2 (corresponding to the DCI format 2_2_0) corresponds to the PUSCH of the second type (for example, eMBB). You may.
  • At least one of the newly introduced DCI formats 2_2_0, 2____1 and 2_2_2 may be common to the UE group (group common) or may be UE-specific.
  • the DCI format may be configured to include one block, one block for one UE, or one TPC command.
  • the DCI format may include one or more (for example, a plurality of) blocks or one or more (for example, a plurality of TPC commands).
  • the type of PUSCH corresponding to each block may be set separately. For example, one block may correspond to the first type PUSCH and the other block may correspond to the second type PUSCH.
  • the type of PUSCH to which the TPC command included in the DCI for transmitting the TPC command is applied may be set in common or separately when performing the in-order processing and the out-of-order processing. You may.
  • the first configuration (for example, option 1 in the first aspect) is applied when performing in-order processing
  • the second configuration (for example, option 3 in the first aspect) is applied when performing out-of-order processing. ) May be applied.
  • the first aspect to the third aspect have been described by taking an uplink shared channel (for example, PUSCH) as an example of the UL channel, but the present invention is not limited to this.
  • the TPC command included in the DCI for transmitting the TPC command may be applied to the uplink control channel (for example, PUCCH).
  • the first aspect-third aspect may be applied to the PUCCH that transmits HARQ-ACK or the like corresponding to the PDCCH scheduled in a predetermined PDCCH (for example, DCI format 1_0 or 1-11).
  • PUSCH in the first aspect-third aspect may be read as PUCCH.
  • wireless communication system Wireless communication system
  • communication is performed using any one of the wireless communication methods according to each of the above-described embodiments of the present disclosure or a combination thereof.
  • FIG. 12 is a diagram showing an example of a schematic configuration of a wireless communication system according to an embodiment.
  • the wireless communication system 1 may be a system that realizes communication using Long Term Evolution (LTE), 5th generation mobile communication system New Radio (5G NR), etc. specified by Third Generation Partnership Project (3GPP). ..
  • the wireless communication system 1 may support dual connectivity between a plurality of Radio Access Technology (RAT) (Multi-RAT Dual Connectivity (MR-DC)).
  • MR-DC is a dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), and a dual connectivity between NR and LTE (NR-E).
  • -UTRA Dual Connectivity (NE-DC) may be included.
  • the LTE (E-UTRA) base station (eNB) is the master node (Master Node (MN)), and the NR base station (gNB) is the secondary node (Secondary Node (SN)).
  • the NR base station (gNB) is MN
  • the LTE (E-UTRA) base station (eNB) is SN.
  • the wireless communication system 1 has dual connectivity between a plurality of base stations in the same RAT (for example, dual connectivity (NR-NR Dual Connectivity (NN-DC)) in which both MN and SN are NR base stations (gNB). )) May be supported.
  • a plurality of base stations in the same RAT for example, dual connectivity (NR-NR Dual Connectivity (NN-DC)) in which both MN and SN are NR base stations (gNB). )
  • NR-NR Dual Connectivity NR-DC
  • gNB NR base stations
  • the wireless communication system 1 includes a base station 11 that forms a macro cell C1 having a relatively wide coverage, and a base station 12 (12a-12c) that is arranged in the macro cell C1 and forms a small cell C2 that is narrower than the macro cell C1. You may prepare.
  • the user terminal 20 may be located in at least one cell. The arrangement, number, and the like of each cell and the user terminal 20 are not limited to the mode shown in the figure.
  • the base stations 11 and 12 are not distinguished, they are collectively referred to as the base station 10.
  • the user terminal 20 may be connected to at least one of the plurality of base stations 10.
  • the user terminal 20 may use at least one of carrier aggregation (Carrier Aggregation (CA)) and dual connectivity (DC) using a plurality of component carriers (Component Carrier (CC)).
  • CA Carrier Aggregation
  • DC dual connectivity
  • CC Component Carrier
  • Each CC may be included in at least one of a first frequency band (Frequency Range 1 (FR1)) and a second frequency band (Frequency Range 2 (FR2)).
  • the macro cell C1 may be included in FR1 and the small cell C2 may be included in FR2.
  • FR1 may be in a frequency band of 6 GHz or less (sub 6 GHz (sub-6 GHz)), and FR2 may be in a frequency band higher than 24 GHz (above-24 GHz).
  • the frequency bands and definitions of FR1 and FR2 are not limited to these, and for example, FR1 may correspond to a frequency band higher than FR2.
  • the user terminal 20 may perform communication using at least one of Time Division Duplex (TDD) and Frequency Division Duplex (FDD) in each CC.
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • the plurality of base stations 10 may be connected by wire (for example, optical fiber compliant with Common Public Radio Interface (CPRI), X2 interface, etc.) or wirelessly (for example, NR communication).
  • wire for example, optical fiber compliant with Common Public Radio Interface (CPRI), X2 interface, etc.
  • NR communication for example, when NR communication is used as a backhaul between base stations 11 and 12, the base station 11 corresponding to the upper station is an Integrated Access Backhaul (IAB) donor, and the base station 12 corresponding to a relay station (relay) is IAB. It may be called a node.
  • IAB Integrated Access Backhaul
  • relay station relay station
  • the base station 10 may be connected to the core network 30 via another base station 10 or directly.
  • the core network 30 may include at least one such as Evolved Packet Core (EPC), 5G Core Network (5GCN), and Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the user terminal 20 may be a terminal that supports at least one of communication methods such as LTE, LTE-A, and 5G.
  • a wireless access method based on Orthogonal Frequency Division Multiplexing may be used.
  • OFDM Orthogonal Frequency Division Multiplexing
  • DL Downlink
  • UL Uplink
  • CP-OFDM Cyclic Prefix OFDM
  • DFT-s-OFDM Discrete Fourier Transform Spread OFDM
  • OFDMA Orthogonal Frequency Division Multiple. Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • the wireless access method may be called a waveform.
  • another wireless access system for example, another single carrier transmission system, another multi-carrier transmission system
  • the UL and DL wireless access systems may be used as the UL and DL wireless access systems.
  • downlink shared channels Physical Downlink Shared Channel (PDSCH)
  • broadcast channels Physical Broadcast Channel (PBCH)
  • downlink control channels Physical Downlink Control
  • Channel PDCCH
  • the uplink shared channel Physical Uplink Shared Channel (PUSCH)
  • the uplink control channel Physical Uplink Control Channel (PUCCH)
  • the random access channel shared by each user terminal 20 are used.
  • Physical Random Access Channel (PRACH) Physical Random Access Channel or the like may be used.
  • PDSCH User data, upper layer control information, System Information Block (SIB), etc. are transmitted by PDSCH.
  • User data, upper layer control information, and the like may be transmitted by the PUSCH.
  • MIB Master Information Block
  • PBCH Master Information Block
  • Lower layer control information may be transmitted by PDCCH.
  • the lower layer control information may include, for example, downlink control information (Downlink Control Information (DCI)) including scheduling information of at least one of PDSCH and PUSCH.
  • DCI Downlink Control Information
  • the DCI that schedules PDSCH may be called DL assignment, DL DCI, etc.
  • the DCI that schedules PUSCH may be called UL grant, UL DCI, etc.
  • the PDSCH may be read as DL data
  • the PUSCH may be read as UL data.
  • a control resource set (COntrol REsource SET (CORESET)) and a search space (search space) may be used to detect the PDCCH.
  • CORESET corresponds to a resource that searches for DCI.
  • the search space corresponds to the search area and search method of PDCCH candidates (PDCCH candidates).
  • One CORESET may be associated with one or more search spaces. The UE may monitor the CORESET associated with a search space based on the search space settings.
  • One search space may correspond to PDCCH candidates corresponding to one or more aggregation levels.
  • One or more search spaces may be referred to as a search space set.
  • the "search space”, “search space set”, “search space setting”, “search space set setting”, “CORESET”, “CORESET setting”, etc. of the present disclosure may be read as each other.
  • channel state information (Channel State Information (CSI)
  • delivery confirmation information for example, it may be called Hybrid Automatic Repeat reQuest ACK knowledgement (HARQ-ACK), ACK / NACK, etc.
  • scheduling request (Scheduling Request ( Uplink Control Information (UCI) including at least one of SR)
  • the PRACH may transmit a random access preamble for establishing a connection with the cell.
  • downlinks, uplinks, etc. may be expressed without “links”. Further, it may be expressed without adding "Physical" at the beginning of various channels.
  • a synchronization signal (Synchronization Signal (SS)), a downlink reference signal (Downlink Reference Signal (DL-RS)), and the like may be transmitted.
  • the DL-RS includes a cell-specific reference signal (Cell-specific Reference Signal (CRS)), a channel state information reference signal (Channel State Information Reference Signal (CSI-RS)), and a demodulation reference signal (DeModulation).
  • CRS Cell-specific Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • DeModulation Demodulation reference signal
  • Reference Signal (DMRS)), positioning reference signal (Positioning Reference Signal (PRS)), phase tracking reference signal (Phase Tracking Reference Signal (PTRS)), and the like may be transmitted.
  • PRS Positioning Reference Signal
  • PTRS Phase Tracking Reference Signal
  • the synchronization signal may be, for example, at least one of a primary synchronization signal (Primary Synchronization Signal (PSS)) and a secondary synchronization signal (Secondary Synchronization Signal (SSS)).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the signal block including SS (PSS, SSS) and PBCH (and DMRS for PBCH) may be referred to as SS / PBCH block, SS Block (SSB) and the like.
  • SS, SSB and the like may also be called a reference signal.
  • a measurement reference signal Sounding Reference Signal (SRS)
  • a demodulation reference signal DMRS
  • UL-RS Uplink Reference Signal
  • UE-specific Reference Signal UE-specific Reference Signal
  • FIG. 13 is a diagram showing an example of the configuration of the base station according to the embodiment.
  • the base station 10 includes a control unit 110, a transmission / reception unit 120, a transmission / reception antenna 130, and a transmission line interface 140.
  • the control unit 110, the transmission / reception unit 120, the transmission / reception antenna 130, and the transmission line interface 140 may each be provided with one or more.
  • the functional blocks of the feature portion in the present embodiment are mainly shown, and it may be assumed that the base station 10 also has other functional blocks necessary for wireless communication. A part of the processing of each part described below may be omitted.
  • the control unit 110 controls the entire base station 10.
  • the control unit 110 can be composed of a controller, a control circuit, and the like described based on the common recognition in the technical field according to the present disclosure.
  • the control unit 110 may control signal generation, scheduling (for example, resource allocation, mapping) and the like.
  • the control unit 110 may control transmission / reception, measurement, and the like using the transmission / reception unit 120, the transmission / reception antenna 130, and the transmission line interface 140.
  • the control unit 110 may generate data to be transmitted as a signal, control information, a sequence, and the like, and transfer the data to the transmission / reception unit 120.
  • the control unit 110 may perform call processing (setting, release, etc.) of the communication channel, state management of the base station 10, management of radio resources, and the like.
  • the transmission / reception unit 120 may include a baseband unit 121, a Radio Frequency (RF) unit 122, and a measurement unit 123.
  • the baseband unit 121 may include a transmission processing unit 1211 and a reception processing unit 1212.
  • the transmission / reception unit 120 includes a transmitter / receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmission / reception circuit, and the like, which are described based on common recognition in the technical fields according to the present disclosure. be able to.
  • the transmission / reception unit 120 may be configured as an integrated transmission / reception unit, or may be composed of a transmission unit and a reception unit.
  • the transmission unit may be composed of a transmission processing unit 1211 and an RF unit 122.
  • the receiving unit may be composed of a receiving processing unit 1212, an RF unit 122, and a measuring unit 123.
  • the transmitting / receiving antenna 130 can be composed of an antenna described based on common recognition in the technical field according to the present disclosure, for example, an array antenna.
  • the transmission / reception unit 120 may transmit the above-mentioned downlink channel, synchronization signal, downlink reference signal, and the like.
  • the transmission / reception unit 120 may receive the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmission / reception unit 120 may form at least one of a transmission beam and a reception beam by using digital beamforming (for example, precoding), analog beamforming (for example, phase rotation), and the like.
  • digital beamforming for example, precoding
  • analog beamforming for example, phase rotation
  • the transmission / reception unit 120 processes, for example, Packet Data Convergence Protocol (PDCP) layer processing and Radio Link Control (RLC) layer processing (for example, RLC) for data, control information, etc. acquired from control unit 110.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • HARQ retransmission control HARQ retransmission control
  • the transmission / reception unit 120 performs channel coding (may include error correction coding), modulation, mapping, filtering, and discrete Fourier transform (Discrete Fourier Transform (DFT)) for the bit string to be transmitted.
  • the base band signal may be output by performing processing (if necessary), inverse fast Fourier transform (IFFT) processing, precoding, digital-analog transform, and other transmission processing.
  • IFFT inverse fast Fourier transform
  • the transmission / reception unit 120 may perform modulation, filtering, amplification, etc. on the baseband signal to the radio frequency band, and transmit the signal in the radio frequency band via the transmission / reception antenna 130. ..
  • the transmission / reception unit 120 may perform amplification, filtering, demodulation to a baseband signal, or the like on the signal in the radio frequency band received by the transmission / reception antenna 130.
  • the transmission / reception unit 120 (reception processing unit 1212) performs analog-digital conversion, fast Fourier transform (FFT) processing, and inverse discrete Fourier transform (IDFT) on the acquired baseband signal. )) Processing (if necessary), filtering, demapping, demodulation, decoding (may include error correction decoding), MAC layer processing, RLC layer processing, PDCP layer processing, and other reception processing are applied. User data and the like may be acquired.
  • FFT fast Fourier transform
  • IDFT inverse discrete Fourier transform
  • the transmission / reception unit 120 may perform measurement on the received signal.
  • the measuring unit 123 may perform Radio Resource Management (RRM) measurement, Channel State Information (CSI) measurement, or the like based on the received signal.
  • the measuring unit 123 has received power (for example, Reference Signal Received Power (RSRP)) and reception quality (for example, Reference Signal Received Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), Signal to Noise Ratio (SNR)).
  • RSRP Reference Signal Received Power
  • RSSQ Reference Signal Received Quality
  • SINR Signal to Noise Ratio
  • Signal strength for example, Received Signal Strength Indicator (RSSI)
  • propagation path information for example, CSI
  • the measurement result may be output to the control unit 110.
  • the transmission line interface 140 transmits and receives signals (backhaul signaling) to and from devices included in the core network 30, other base stations 10, and the like, and user data (user plane data) and control plane for the user terminal 20. Data or the like may be acquired or transmitted.
  • the transmitting unit and the receiving unit of the base station 10 in the present disclosure may be composed of at least one of the transmission / reception unit 120, the transmission / reception antenna 130, and the transmission line interface 140.
  • the transmission / reception unit 120 transmits predetermined downlink control information used for transmitting a transmission power control command applied to at least one of the first type uplink channel and the second type uplink channel.
  • the transmission / reception unit 120 may transmit at least one of the information regarding the predetermined block number included in the predetermined downlink control information corresponding to each UE and the information regarding the UL channel type corresponding to the predetermined block number.
  • the control unit 110 sets the information transmitted from the network, the information specified by the predetermined block included in the predetermined downlink control information, the format of the predetermined downlink control information, and the uplink of the first type or the second type. It may be controlled so that the transmission power control command included in the predetermined downlink control information is determined based on at least one of the downlink control information to be scheduled.
  • FIG. 14 is a diagram showing an example of the configuration of the user terminal according to the embodiment.
  • the user terminal 20 includes a control unit 210, a transmission / reception unit 220, and a transmission / reception antenna 230.
  • the control unit 210, the transmission / reception unit 220, and the transmission / reception antenna 230 may each be provided with one or more.
  • this example mainly shows the functional blocks of the feature portion in the present embodiment, and it may be assumed that the user terminal 20 also has other functional blocks necessary for wireless communication. A part of the processing of each part described below may be omitted.
  • the control unit 210 controls the entire user terminal 20.
  • the control unit 210 can be composed of a controller, a control circuit, and the like described based on the common recognition in the technical field according to the present disclosure.
  • the control unit 210 may control signal generation, mapping, and the like.
  • the control unit 210 may control transmission / reception, measurement, and the like using the transmission / reception unit 220 and the transmission / reception antenna 230.
  • the control unit 210 may generate data to be transmitted as a signal, control information, a sequence, and the like, and transfer the data to the transmission / reception unit 220.
  • the transmission / reception unit 220 may include a baseband unit 221 and an RF unit 222, and a measurement unit 223.
  • the baseband unit 221 may include a transmission processing unit 2211 and a reception processing unit 2212.
  • the transmission / reception unit 220 can be composed of a transmitter / receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transmission / reception circuit, and the like, which are described based on the common recognition in the technical field according to the present disclosure.
  • the transmission / reception unit 220 may be configured as an integrated transmission / reception unit, or may be composed of a transmission unit and a reception unit.
  • the transmission unit may be composed of a transmission processing unit 2211 and an RF unit 222.
  • the receiving unit may be composed of a receiving processing unit 2212, an RF unit 222, and a measuring unit 223.
  • the transmitting / receiving antenna 230 can be composed of an antenna described based on common recognition in the technical field according to the present disclosure, for example, an array antenna.
  • the transmission / reception unit 220 may receive the above-mentioned downlink channel, synchronization signal, downlink reference signal, and the like.
  • the transmission / reception unit 220 may transmit the above-mentioned uplink channel, uplink reference signal, and the like.
  • the transmission / reception unit 220 may form at least one of a transmission beam and a reception beam by using digital beamforming (for example, precoding), analog beamforming (for example, phase rotation), and the like.
  • digital beamforming for example, precoding
  • analog beamforming for example, phase rotation
  • the transmission / reception unit 220 (transmission processing unit 2211) performs PDCP layer processing, RLC layer processing (for example, RLC retransmission control), and MAC layer processing (for example, for data, control information, etc. acquired from the control unit 210). , HARQ retransmission control), etc., to generate a bit string to be transmitted.
  • RLC layer processing for example, RLC retransmission control
  • MAC layer processing for example, for data, control information, etc. acquired from the control unit 210.
  • HARQ retransmission control HARQ retransmission control
  • the transmission / reception unit 220 (transmission processing unit 2211) performs channel coding (may include error correction coding), modulation, mapping, filtering processing, DFT processing (if necessary), and IFFT processing for the bit string to be transmitted. , Precoding, digital-to-analog conversion, and other transmission processing may be performed to output the baseband signal.
  • Whether or not to apply the DFT process may be based on the transform precoding setting.
  • the transmission / reception unit 220 transmission processing unit 2211 described above for transmitting a channel (for example, PUSCH) using the DFT-s-OFDM waveform when the transform precoding is enabled.
  • the DFT process may be performed as the transmission process, and if not, the DFT process may not be performed as the transmission process.
  • the transmission / reception unit 220 may perform modulation, filtering, amplification, etc. to the radio frequency band on the baseband signal, and transmit the signal in the radio frequency band via the transmission / reception antenna 230. ..
  • the transmission / reception unit 220 may perform amplification, filtering, demodulation to a baseband signal, or the like on the signal in the radio frequency band received by the transmission / reception antenna 230.
  • the transmission / reception unit 220 (reception processing unit 2212) performs analog-to-digital conversion, FFT processing, IDFT processing (if necessary), filtering processing, demapping, demodulation, and decoding (error correction) for the acquired baseband signal. Decoding may be included), MAC layer processing, RLC layer processing, PDCP layer processing, and other reception processing may be applied to acquire user data and the like.
  • the transmission / reception unit 220 may perform measurement on the received signal.
  • the measuring unit 223 may perform RRM measurement, CSI measurement, or the like based on the received signal.
  • the measuring unit 223 may measure received power (for example, RSRP), reception quality (for example, RSRQ, SINR, SNR), signal strength (for example, RSSI), propagation path information (for example, CSI), and the like.
  • the measurement result may be output to the control unit 210.
  • the transmitter and receiver of the user terminal 20 in the present disclosure may be composed of at least one of the transmitter / receiver 220 and the transmitter / receiver antenna 230.
  • the transmission / reception unit 220 receives predetermined downlink control information used for transmitting a transmission power control command applied to at least one of the first type uplink channel and the second type uplink channel.
  • the transmission / reception unit 120 may receive at least one of the information regarding the predetermined block number included in the predetermined downlink control information corresponding to each UE and the information regarding the type of the UL channel corresponding to the predetermined block number.
  • the control unit 210 schedules the information transmitted from the network, the information specified by the predetermined block included in the predetermined downlink control information, the format of the predetermined downlink control information, and the first type or the second type uplink channel.
  • the application of the transmission power control command included in the predetermined downlink control information is controlled based on at least one of the downlink control information.
  • the control unit 210 may determine the uplink to which the transmission power control command is applied based on the RNTI (Radio Network Temporary Identifier) applied to the downlink control information for scheduling the first type or the second type uplink. ..
  • RNTI Radio Network Temporary Identifier
  • control unit 210 applies the first transmission power control command applied to the first type of uplink and the second type of uplink based on a plurality of blocks included in the predetermined downlink control information.
  • the second transmission power control command to be used may be determined.
  • the predetermined downlink control information format is a first format for transmitting a transmission power command applied to at least the first type uplink and a second format for transmitting a transmission power command applied to at least the second type uplink. It may have a format.
  • the control unit 210 starts and completes the transmission processing of the first type uplink and the transmission processing of the second type in the same order, and the transmission processing of the first type uplink and the second type. Even if the uplink (for example, type) to which the transmission power control command included in the predetermined downlink control information is applied is controlled separately when the order of starting and completing the transmission process of the uplink is reversed. Good.
  • each functional block may be realized by using one device that is physically or logically connected, or directly or indirectly (for example, by two or more devices that are physically or logically separated). , Wired, wireless, etc.) and may be realized using these plurality of devices.
  • the functional block may be realized by combining the software with the one device or the plurality of devices.
  • the functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, solution, selection, selection, establishment, comparison, assumption, expectation, and deemed. , Broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc.
  • a functional block (constituent unit) for functioning transmission may be referred to as a transmitting unit (transmitting unit), a transmitter (transmitter), or the like.
  • the method of realizing each of them is not particularly limited.
  • the base station, user terminal, and the like in one embodiment of the present disclosure may function as a computer that processes the wireless communication method of the present disclosure.
  • FIG. 15 is a diagram showing an example of the hardware configuration of the base station and the user terminal according to the embodiment.
  • the base station 10 and the user terminal 20 described above may be physically configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like. ..
  • the hardware configuration of the base station 10 and the user terminal 20 may be configured to include one or more of the devices shown in the figure, or may be configured not to include some of the devices.
  • processor 1001 may be a plurality of processors. Further, the processing may be executed by one processor, or the processing may be executed simultaneously, sequentially, or by using other methods by two or more processors.
  • the processor 1001 may be mounted by one or more chips.
  • the processor 1001 For each function of the base station 10 and the user terminal 20, for example, by loading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, the processor 1001 performs an operation and communicates via the communication device 1004. It is realized by controlling at least one of reading and writing of data in the memory 1002 and the storage 1003.
  • predetermined software program
  • the processor 1001 operates, for example, an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic unit, registers, and the like.
  • CPU central processing unit
  • control unit 110 210
  • transmission / reception unit 120 220
  • the like may be realized by the processor 1001.
  • the processor 1001 reads a program (program code), a software module, data, etc. from at least one of the storage 1003 and the communication device 1004 into the memory 1002, and executes various processes according to these.
  • a program program code
  • the control unit 110 may be realized by a control program stored in the memory 1002 and operating in the processor 1001, and may be realized in the same manner for other functional blocks.
  • the memory 1002 is a computer-readable recording medium, for example, at least a Read Only Memory (ROM), an Erasable Programmable ROM (EPROM), an Electrically EPROM (EEPROM), a Random Access Memory (RAM), or any other suitable storage medium. It may be composed of one.
  • the memory 1002 may be referred to as a register, a cache, a main memory (main storage device), or the like.
  • the memory 1002 can store a program (program code), a software module, or the like that can be executed to implement the wireless communication method according to the embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, for example, a flexible disk, a floppy (registered trademark) disk, a magneto-optical disk (for example, a compact disc (Compact Disc ROM (CD-ROM)), a digital versatile disk, etc.). At least one of Blu-ray® disks, removable disks, hard disk drives, smart cards, flash memory devices (eg cards, sticks, key drives), magnetic stripes, databases, servers, and other suitable storage media. It may be composed of.
  • the storage 1003 may be referred to as an auxiliary storage device.
  • the communication device 1004 is hardware (transmission / reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, for example, a network device, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to realize at least one of frequency division duplex (Frequency Division Duplex (FDD)) and time division duplex (Time Division Duplex (TDD)). It may be configured to include.
  • the transmission / reception unit 120 (220), the transmission / reception antenna 130 (230), and the like described above may be realized by the communication device 1004.
  • the transmission / reception unit 120 (220) may be physically or logically separated from the transmission unit 120a (220a) and the reception unit 120b (220b).
  • the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that receives an input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, a Light Emitting Diode (LED) lamp, etc.) that outputs to the outside.
  • the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • each device such as the processor 1001 and the memory 1002 is connected by the bus 1007 for communicating information.
  • the bus 1007 may be configured by using a single bus, or may be configured by using a different bus for each device.
  • the base station 10 and the user terminal 20 include a microprocessor, a digital signal processor (Digital Signal Processor (DSP)), an Application Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), and the like. It may be configured to include hardware, and a part or all of each functional block may be realized by using the hardware. For example, processor 1001 may be implemented using at least one of these hardware.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • the wireless frame may be composed of one or more periods (frames) in the time domain.
  • Each of the one or more periods (frames) constituting the wireless frame may be referred to as a subframe.
  • the subframe may be composed of one or more slots in the time domain.
  • the subframe may have a fixed time length (eg, 1 ms) that is independent of numerology.
  • the numerology may be a communication parameter applied to at least one of transmission and reception of a signal or channel.
  • Numerology includes, for example, subcarrier spacing (SubCarrier Spacing (SCS)), bandwidth, symbol length, cyclic prefix length, transmission time interval (Transmission Time Interval (TTI)), number of symbols per TTI, and wireless frame configuration.
  • SCS subcarrier Spacing
  • TTI Transmission Time Interval
  • a specific filtering process performed by the transmitter / receiver in the frequency domain, a specific windowing process performed by the transmitter / receiver in the time domain, and the like may be indicated.
  • the slot may be composed of one or more symbols (Orthogonal Frequency Division Multiple Access (OFDMA) symbol, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol, etc.) in the time domain.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • the slot may be a time unit based on numerology.
  • the slot may include a plurality of mini slots. Each minislot may consist of one or more symbols in the time domain. Further, the mini slot may be called a sub slot. A minislot may consist of a smaller number of symbols than the slot.
  • a PDSCH (or PUSCH) transmitted in time units larger than the minislot may be referred to as a PDSCH (PUSCH) mapping type A.
  • the PDSCH (or PUSCH) transmitted using the minislot may be referred to as PDSCH (PUSCH) mapping type B.
  • the wireless frame, subframe, slot, minislot and symbol all represent the time unit when transmitting a signal.
  • the radio frame, subframe, slot, minislot and symbol may have different names corresponding to each.
  • the time units such as frames, subframes, slots, mini slots, and symbols in the present disclosure may be read as each other.
  • one subframe may be called TTI
  • a plurality of consecutive subframes may be called TTI
  • one slot or one minislot may be called TTI. That is, at least one of the subframe and TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (eg, 1-13 symbols), or a period longer than 1 ms. It may be.
  • the unit representing TTI may be called a slot, a mini slot, or the like instead of a subframe.
  • TTI refers to, for example, the minimum time unit of scheduling in wireless communication.
  • the base station schedules each user terminal to allocate radio resources (frequency bandwidth that can be used in each user terminal, transmission power, etc.) in TTI units.
  • the definition of TTI is not limited to this.
  • the TTI may be a transmission time unit such as a channel-encoded data packet (transport block), a code block, or a code word, or may be a processing unit such as scheduling or link adaptation.
  • the time interval for example, the number of symbols
  • the transport block, code block, code word, etc. may be shorter than the TTI.
  • one or more TTIs may be the minimum time unit for scheduling. Further, the number of slots (number of mini-slots) constituting the minimum time unit of the scheduling may be controlled.
  • a TTI having a time length of 1 ms may be referred to as a normal TTI (TTI in 3GPP Rel. 8-12), a normal TTI, a long TTI, a normal subframe, a normal subframe, a long subframe, a slot, or the like.
  • TTIs shorter than normal TTIs may be referred to as shortened TTIs, short TTIs, partial TTIs (partial or fractional TTIs), shortened subframes, short subframes, minislots, subslots, slots, and the like.
  • the long TTI (for example, normal TTI, subframe, etc.) may be read as a TTI having a time length of more than 1 ms, and the short TTI (for example, shortened TTI, etc.) is less than the TTI length of the long TTI and 1 ms. It may be read as a TTI having the above TTI length.
  • a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or a plurality of continuous subcarriers in the frequency domain.
  • the number of subcarriers contained in the RB may be the same regardless of the numerology, and may be, for example, 12.
  • the number of subcarriers contained in the RB may be determined based on numerology.
  • the RB may include one or more symbols in the time domain, and may have a length of 1 slot, 1 mini slot, 1 subframe or 1 TTI.
  • Each 1TTI, 1 subframe, etc. may be composed of one or a plurality of resource blocks.
  • one or more RBs are a physical resource block (Physical RB (PRB)), a sub-carrier group (Sub-Carrier Group (SCG)), a resource element group (Resource Element Group (REG)), a PRB pair, and an RB. It may be called a pair or the like.
  • PRB Physical RB
  • SCG sub-carrier Group
  • REG resource element group
  • PRB pair an RB. It may be called a pair or the like.
  • the resource block may be composed of one or a plurality of resource elements (Resource Element (RE)).
  • RE Resource Element
  • 1RE may be a radio resource area of 1 subcarrier and 1 symbol.
  • Bandwidth Part (which may also be called partial bandwidth) represents a subset of consecutive common resource blocks (RBs) for a neurology in a carrier. May be good.
  • the common RB may be specified by the index of the RB with respect to the common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • the BWP may include UL BWP (BWP for UL) and DL BWP (BWP for DL).
  • BWP UL BWP
  • BWP for DL DL BWP
  • One or more BWPs may be set in one carrier for the UE.
  • At least one of the configured BWPs may be active, and the UE may not expect to send or receive a given signal / channel outside the active BWP.
  • “cell”, “carrier” and the like in this disclosure may be read as “BWP”.
  • the above-mentioned structures such as wireless frames, subframes, slots, mini slots, and symbols are merely examples.
  • the number of subframes contained in a wireless frame the number of slots per subframe or wireless frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, included in the RB.
  • the number of subcarriers, the number of symbols in the TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • the information, parameters, etc. described in the present disclosure may be expressed using absolute values, relative values from predetermined values, or using other corresponding information. It may be represented. For example, radio resources may be indicated by a given index.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. may be voltage, current, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may be represented by a combination of.
  • information, signals, etc. can be output from the upper layer to the lower layer and from the lower layer to at least one of the upper layers.
  • Information, signals, etc. may be input / output via a plurality of network nodes.
  • the input / output information, signals, etc. may be stored in a specific location (for example, memory) or may be managed using a management table. Input / output information, signals, etc. can be overwritten, updated, or added. The output information, signals, etc. may be deleted. The input information, signals, etc. may be transmitted to other devices.
  • the notification of information is not limited to the mode / embodiment described in the present disclosure, and may be performed by using another method.
  • the notification of information in the present disclosure includes physical layer signaling (for example, downlink control information (DCI)), uplink control information (Uplink Control Information (UCI))), and higher layer signaling (for example, Radio Resource Control). (RRC) signaling, broadcast information (master information block (MIB), system information block (SIB), etc.), medium access control (MAC) signaling), other signals or combinations thereof May be carried out by.
  • DCI downlink control information
  • UCI Uplink Control Information
  • RRC Radio Resource Control
  • MIB master information block
  • SIB system information block
  • MAC medium access control
  • the physical layer signaling may be referred to as Layer 1 / Layer 2 (L1 / L2) control information (L1 / L2 control signal), L1 control information (L1 control signal), and the like.
  • the RRC signaling may be called an RRC message, and may be, for example, an RRC connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
  • MAC signaling may be notified using, for example, a MAC control element (MAC Control Element (CE)).
  • CE MAC Control Element
  • the notification of predetermined information is not limited to the explicit notification, but implicitly (for example, by not notifying the predetermined information or another information). May be done (by notification of).
  • the determination may be made by a value represented by 1 bit (0 or 1), or by a boolean value represented by true or false. , May be done by numerical comparison (eg, comparison with a given value).
  • Software is an instruction, instruction set, code, code segment, program code, program, subprogram, software module, whether called software, firmware, middleware, microcode, hardware description language, or another name.
  • Applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, procedures, functions, etc. should be broadly interpreted to mean.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • a transmission medium For example, a website where software uses at least one of wired technology (coaxial cable, fiber optic cable, twist pair, digital subscriber line (DSL), etc.) and wireless technology (infrared, microwave, etc.).
  • wired technology coaxial cable, fiber optic cable, twist pair, digital subscriber line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • Network may mean a device (eg, a base station) included in the network.
  • precoding "precoding weight”
  • QCL Quality of Co-Co-Location
  • TCI state Transmission Configuration Indication state
  • space "Spatial relation”, “spatial domain filter”, “transmission power”, “phase rotation”, "antenna port”, “antenna port group”, “layer”, “number of layers”
  • Terms such as “rank”, “resource”, “resource set”, “resource group”, “beam”, “beam width”, “beam angle”, "antenna”, “antenna element", “panel” are compatible.
  • Base station BS
  • radio base station fixed station
  • NodeB NodeB
  • eNB eNodeB
  • gNB gNodeB
  • Access point "Transmission point (Transmission Point (TP))
  • RP Reception point
  • TRP Transmission / Reception Point
  • Panel , "Cell”, “sector”, “cell group”, “carrier”, “component carrier” and the like
  • Base stations are sometimes referred to by terms such as macrocells, small cells, femtocells, and picocells.
  • the base station can accommodate one or more (for example, three) cells.
  • a base station accommodates multiple cells, the entire coverage area of the base station can be divided into multiple smaller areas, each smaller area being a base station subsystem (eg, a small indoor base station (Remote Radio)).
  • Communication services can also be provided by Head (RRH))).
  • RRH Head
  • the term "cell” or “sector” refers to part or all of the coverage area of at least one of the base stations and base station subsystems that provide communication services in this coverage.
  • MS mobile station
  • UE user equipment
  • terminal terminal
  • Mobile stations include subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless terminals, remote terminals. , Handset, user agent, mobile client, client or some other suitable term.
  • At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a wireless communication device, or the like.
  • At least one of the base station and the mobile station may be a device mounted on the mobile body, the mobile body itself, or the like.
  • the moving body may be a vehicle (eg, car, airplane, etc.), an unmanned moving body (eg, drone, self-driving car, etc.), or a robot (manned or unmanned). ) May be.
  • at least one of the base station and the mobile station includes a device that does not necessarily move during communication operation.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read by the user terminal.
  • communication between a base station and a user terminal has been replaced with communication between a plurality of user terminals (for example, it may be called Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • D2D Device-to-Device
  • V2X Vehicle-to-Everything
  • Each aspect / embodiment of the present disclosure may be applied to the configuration.
  • the user terminal 20 may have the function of the base station 10 described above.
  • words such as "up” and “down” may be read as words corresponding to inter-terminal communication (for example, "side").
  • the uplink, downlink, and the like may be read as side channels.
  • the user terminal in the present disclosure may be read as a base station.
  • the base station 10 may have the functions of the user terminal 20 described above.
  • the operation performed by the base station may be performed by its upper node (upper node) in some cases.
  • various operations performed for communication with a terminal are performed by the base station and one or more network nodes other than the base station (for example,).
  • Mobility Management Entity (MME), Serving-Gateway (S-GW), etc. can be considered, but it is not limited to these), or it is clear that it can be performed by a combination thereof.
  • each aspect / embodiment described in the present disclosure may be used alone, in combination, or switched with execution.
  • the order of the processing procedures, sequences, flowcharts, etc. of each aspect / embodiment described in the present disclosure may be changed as long as there is no contradiction.
  • the methods described in the present disclosure present elements of various steps using exemplary order, and are not limited to the particular order presented.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • Future Radio Access FAA
  • New-Radio Access Technology RAT
  • NR New Radio
  • NX New radio access
  • Future generation radio access FX
  • GSM Global System for Mobile communications
  • CDMA2000 Code Division Multiple Access
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • a plurality of systems may be applied in combination (for example, a combination of LTE or LTE-A and 5G).
  • references to elements using designations such as “first”, “second”, etc. as used in this disclosure does not generally limit the quantity or order of those elements. These designations can be used in the present disclosure as a convenient way to distinguish between two or more elements. Thus, references to the first and second elements do not mean that only two elements can be adopted or that the first element must somehow precede the second element.
  • determining used in this disclosure may include a wide variety of actions.
  • judgment (decision) means judgment (judging), calculation (calculating), calculation (computing), processing (processing), derivation (deriving), investigation (investigating), search (looking up, search, inquiry) ( For example, searching in a table, database or another data structure), ascertaining, etc. may be considered to be "judgment”.
  • judgment (decision) means receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), access (for example). It may be regarded as “judgment (decision)" of "accessing” (for example, accessing data in memory).
  • judgment (decision) is regarded as “judgment (decision)” of solving, selecting, choosing, establishing, comparing, and the like. May be good. That is, “judgment (decision)” may be regarded as “judgment (decision)” of some action.
  • the "maximum transmission power" described in the present disclosure may mean the maximum value of the transmission power, may mean the nominal UE maximum transmit power, or may mean the rated maximum transmission power (the). It may mean rated UE maximum transmit power).
  • connection are any direct or indirect connections or connections between two or more elements. Means, and can include the presence of one or more intermediate elements between two elements that are “connected” or “joined” to each other.
  • the connection or connection between the elements may be physical, logical, or a combination thereof. For example, "connection” may be read as "access”.
  • the radio frequency domain microwaves. It can be considered to be “connected” or “coupled” to each other using frequency, electromagnetic energy having wavelengths in the light (both visible and invisible) regions, and the like.
  • the term "A and B are different” may mean “A and B are different from each other”.
  • the term may mean that "A and B are different from C”.
  • Terms such as “separate” and “combined” may be interpreted in the same way as “different”.

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  • Mobile Radio Communication Systems (AREA)

Abstract

Un mode de réalisation de la présente invention concerne un terminal utilisateur comprenant : une unité de réception qui reçoit des informations de commande de liaison descendante prescrites utilisées pour la transmission d'une commande de contrôle de la puissance d'émission à appliquer à un canal de liaison montante de premier type et/ou à un canal de liaison montante de deuxième type; et une unité de commande qui commande l'application de la commande de contrôle de la puissance d'émission incluse dans les informations de commande de liaison descendante prescrites, sur la base des informations transmises par un réseau, des informations indiquées dans un bloc prescrit inclus dans les informations de commande de liaison descendante prescrites, et/ou des informations de commande de liaison descendante pour la planification du format des informations de commande de liaison descendante prescrites et du canal de liaison montante de premier type ou de deuxième type.
PCT/JP2019/018778 2019-05-10 2019-05-10 Terminal utilisateur et procédé de communication sans fil WO2020230196A1 (fr)

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