WO2023026375A1 - 端末、及びモニタリング方法 - Google Patents

端末、及びモニタリング方法 Download PDF

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Publication number
WO2023026375A1
WO2023026375A1 PCT/JP2021/031049 JP2021031049W WO2023026375A1 WO 2023026375 A1 WO2023026375 A1 WO 2023026375A1 JP 2021031049 W JP2021031049 W JP 2021031049W WO 2023026375 A1 WO2023026375 A1 WO 2023026375A1
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WIPO (PCT)
Prior art keywords
terminal
command
base station
receiver
monitoring
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PCT/JP2021/031049
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English (en)
French (fr)
Japanese (ja)
Inventor
拓真 中村
知也 小原
慎也 熊谷
大輔 栗田
Original Assignee
株式会社Ｎｔｔドコモ
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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 PCT/JP2021/031049 priority Critical patent/WO2023026375A1/ja
Priority to JP2023543534A priority patent/JPWO2023026375A1/ja
Publication of WO2023026375A1 publication Critical patent/WO2023026375A1/ja

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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
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to terminals and base stations in wireless communication systems.
  • NR New Radio
  • 5G various radio technologies and network architectures are being studied in order to meet the requirements of realizing a throughput of 10 Gbps or more and keeping the delay in the radio section to 1 ms or less (for example, Non-Patent Documents 1 and 2 ).
  • 6G which is the next-generation wireless communication system after 5G, has also started.
  • paging is performed to call a terminal that is on standby when receiving an incoming call.
  • a terminal in RRC_IDLE state or RRC_INACTIVE state performs discontinuous reception operation for power saving in order to monitor paging DCI.
  • the intermittent reception operation the period during which the terminal wakes up from the sleep state and performs paging monitoring is called PO (paging occasion).
  • the discontinuous reception operation for power saving is also performed in terminals in the RRC_CONNECTED state.
  • the discontinuous reception operation in RRC_CONNECTED state is called CDRX. Note that the RRC_CONNECTED state may also be called a connected mode.
  • the presence or absence of paging will be sent to the terminal using a simple wireless system (e.g. passive receiver), separate from the signal for actually transmitting and receiving data between the terminal and the base station. Notification is being considered.
  • a simple wireless system e.g. passive receiver
  • terminals in Idle/Inactive mode can be woken up by PO only when there is paging, so there is no need to wake up when there is no paging. Therefore, a significant reduction in power consumption can be expected.
  • Control using a passive receiver is considered to be beneficial even in the connected mode from the viewpoint of power saving.
  • passive receivers are assumed to be used only to determine the presence or absence of paging, and communication control technology for connected mode using passive receivers is Not proposed.
  • the present invention has been made in view of the above points, and aims to provide technology for a terminal in connection mode to control communication using a simple wireless system.
  • a receiver for receiving commands Control of performing monitoring of the control channel at a control channel monitoring opportunity when the command is received by the receiver, and not performing monitoring of the control channel at the monitoring opportunity when the command is not received by the receiver
  • a terminal comprising:
  • a technique for a terminal in connection mode to control communication using a simple wireless system.
  • FIG. 1 is a diagram for explaining a radio communication system according to an embodiment of the present invention
  • FIG. 1 is a diagram for explaining a radio communication system according to an embodiment of the present invention
  • FIG. 4 is a sequence diagram showing a basic operation example
  • FIG. 10 is a diagram for explaining Example 0
  • FIG. 10 is a diagram for explaining Example 1-1
  • FIG. 10 is a diagram for explaining Example 1-2
  • It is a figure for demonstrating Example 1-3.
  • FIG. 10 is a diagram for explaining Example 1-4
  • FIG. 11 is a diagram for explaining Example 2
  • FIG. 11 is a diagram for explaining Example 3
  • FIG. 10 is a diagram for explaining Example 4-1
  • FIG. 10 is a diagram for explaining Example 4-1
  • FIG. 13 is a diagram for explaining Example 4-2;
  • FIG. 13 is a diagram for explaining Example 4-2;
  • FIG. 11 is a diagram for explaining Example 5;
  • FIG. 12 is a diagram for explaining Example 6-1;
  • FIG. 12 is a diagram for explaining Example 6-1;
  • FIG. 12 is a diagram for explaining Example 6-2;
  • FIG. 11 is a diagram for explaining Example 6-2;
  • FIG. 12 is a diagram for explaining Example 6-2;
  • It is a figure showing an example of functional composition of base station 10 in an embodiment of the invention.
  • 2 is a diagram showing an example of the functional configuration of terminal 20 according to the embodiment of the present invention;
  • FIG. 2 is a diagram showing an example of the functional configuration of terminal 20 according to the embodiment of the present invention;
  • FIG. 2 is a diagram showing an example of hardware configuration of base station 10 or terminal 20 according to an embodiment of the present invention;
  • FIG. It is a figure which shows the structure of a vehicle.
  • the wireless communication system of the embodiment of the present invention is an NR or 6G system
  • the technology according to the present invention is applicable not only to NR or 6G but also to other systems.
  • PDCCH is an example of a control channel
  • PDSCH resource is an example of a data reception resource
  • PUSCH resource is an example of a data transmission resource.
  • terminal operations in this embodiment are connected mode terminal operations, but this is an example, and the technology according to the present invention is applied to idle/inactive mode terminals. good too.
  • control using a passive receiver which is being considered for use in idle/inactive mode, is also considered beneficial in connected mode from the perspective of power saving.
  • passive receivers are assumed to be used only to determine the presence or absence of paging, and communication control technology for connected mode using passive receivers is Not proposed.
  • a technique for a terminal in connection mode to control communication using a simple wireless system will be described below.
  • FIG. 1 is a diagram for explaining a radio communication system according to an embodiment of the present invention.
  • a wireless communication system according to an embodiment of the present invention includes a base station 10 and terminals 20, as shown in FIG. Although one base station 10 and one terminal 20 are shown in FIG. 1, this is an example and there may be more than one.
  • the base station 10 is a communication device that provides one or more cells and performs wireless communication with the terminal 20.
  • a physical resource of a radio signal is defined in the time domain and the frequency domain.
  • the time domain may be defined by the number of OFDM symbols, and the frequency domain may be defined by the number of subcarriers or resource blocks.
  • a TTI (Transmission Time Interval) in the time domain may be a slot, or a TTI may be a subframe.
  • the base station 10 transmits a synchronization signal, system information, etc. to the terminal 20.
  • Synchronization signals are, for example, NR-PSS and NR-SSS.
  • the synchronization signal may be SSB.
  • System information is transmitted, for example, on NR-PBCH or PDSCH, and is also called broadcast information.
  • the base station 10 transmits control signals or data to the terminal 20 on DL (Downlink) and receives control signals or data from the terminal 20 on UL (Uplink).
  • control channels such as PUCCH and PDCCH
  • a shared channel such as PUSCH and PDSCH
  • the terminal 20 is a communication device having a wireless communication function, such as a smartphone, mobile phone, tablet, wearable terminal, or M2M (Machine-to-Machine) communication module. As shown in FIG. 1 , the terminal 20 receives control signals or data from the base station 10 on the DL and transmits control signals or data to the base station 10 on the UL, thereby performing various functions provided by the wireless communication system. Use communication services. Note that the terminal 20 may be called UE, and the base station 10 may be called gNB.
  • FIG. 2 shows a configuration example of a wireless communication system when DC (Dual connectivity) is performed.
  • a base station 10A serving as MN (Master Node) and a base station 10B serving as SN (Secondary Node) are provided.
  • the base station 10A and base station 10B are each connected to a core network.
  • Terminal 20 can communicate with both base station 10A and base station 10B.
  • a cell group provided by the MN base station 10A is called MCG (Master Cell Group), and a cell group provided by the SN base station 10B is called SCG (Secondary Cell Group).
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • the processing operations in the present embodiment may be executed with the system configuration shown in FIG. 1, may be executed with the system configuration shown in FIG. 2, or may be executed with a system configuration other than these.
  • A/B means "A or B, or A and B.”
  • the terminal 20 has a receiver for receiving commands in a simple wireless system, separate from the normal receiver.
  • the "receiver” is a receiver for receiving the command.
  • the "normal receiver” is a receiver for receiving the control information and data described with reference to FIG.
  • the receiver for receiving commands is a passive receiver.
  • a passive receiver operates by obtaining power from a carrier sent from a source (eg, base station 10). Therefore, there is no need to perform monitoring operations such as PDCCH monitoring.
  • the above command does not need to be information such as a bit string, and may be a signal that allows the receiver of the terminal 20 to determine whether or not it has been received.
  • the above command may contain information of a bit string (may be 1 bit).
  • a command is transmitted from the base station 10 and the terminal 20 receives the command.
  • a command transmitted from the base station 10 may be received by a certain terminal (relay terminal), and the command may be transmitted to the terminal 20 from the relay terminal.
  • Proposal 1 (Examples 1 to 4)>
  • the terminal 20 switches the operation in the connected mode (including parameter switching) when receiving a command.
  • Operations to be switched include, for example, Handover, CSI/RRM measurement, Beam switching, SgNB change, PDCCH monitoring, and Paging.
  • the terminal 20 when the terminal 20 receives the command, it switches the parameters of the functions related to PDCCH monitoring. The operation is also changed according to the parameter switching.
  • Proposal 2 (Example 5)>
  • the terminal 20 determines whether or not to perform PDCCH monitoring according to whether or not a command has been received before receiving the PDCCH.
  • Proposal 3 when receiving a command, the terminal 20 receives data using the PDSCH resource dedicated to the operation according to this embodiment. Also, when receiving a command, the terminal 20 may transmit data using PUSCH resources dedicated to the operation according to the present embodiment.
  • a terminal 20 that does not receive the command may perform the prescribed conventional terminal operation. Also, when the terminal 20 receives the command, the terminal 20 may report the reception of the command to the base station 10 .
  • the terminal 20 may start a timer when receiving a command, and switch the operation during timer activation to another operation (eg, operation before timer activation) when the timer expires.
  • the terminal 20 transmits capability information of the terminal 20 to the base station 10 .
  • the base station 10 determines that the terminal 20 has a receiver for command reception based on the capability information, and transmits the command in S102.
  • the terminal 20 that has received the command performs operation switching related to PDCCH monitoring, for example.
  • the terminal 20 reports to the base station 10 that the operation has been switched by receiving the command, for example.
  • Example 0 is an example common to Examples 1-6. Moreover, the items described in Examples 0 to 6 can be implemented in any combination.
  • Example 0 First, Example 0 will be described.
  • the base station 10 is notified of the installation status of the receiver in the terminal 20, the functions of the terminal 20 or the receiver, and the like.
  • a UE capability, a UE category, or a UE type related to the installation status and functions of the receiver may be defined and notified to the base station 10 .
  • the terminal 20 may notify the base station 10 of any one or more of the following information (1) to (8).
  • the above index may be a parameter that configures UE Capability, UE category, or UE type.
  • Examples 1 to 6 will be described below, but first, matters common to Examples 1 to 6 will be described here. Here, Examples 1 to 6 are called “proposed method” or “proposed operation”.
  • the terminal 20 determines, for example, based on one or more of the following reference information, and reports the determined result to the base station 10. You may
  • the terminal 20 compares the reference information and the threshold to determine which operation, the proposed method or the conventional operation, is to be performed. For example, the terminal 20 may perform the operation of the proposed method if the remaining power is equal to or less than a threshold.
  • the above threshold may be notified or changed by the base station 10 to the terminal 20, or may be set in the base station 10 and the terminal 20 in advance.
  • the method of notification from the base station 10 to the terminal 20 may be SIB, DCI, MAC CE, or RRC Signaling.
  • the base station 10 may determine which operation, the proposed method or the conventional operation, is to be performed, and notify the terminal 20 of it.
  • the base station 10 determines which operation, the proposed method or the conventional operation, is to be performed. Then, the terminal 20 may be notified of the determination result.
  • the method of notification from the base station 10 to the terminal 20 may be SIB, DCI, MAC CE, or RRC Signaling.
  • Example 1 will be described below. Since Example 1 consists of Examples 1-1 to 1-4, each will be described. In each figure for explaining Examples 1-1 to 1-4, (a) conventional operation is shown on the upper side, and (b) proposed operation, which is the operation of the corresponding embodiment, is shown on the lower side. In this embodiment, terminal 20 or base station 10 may decide to perform the conventional operation, so terminal 20 may perform the conventional operation in this embodiment.
  • Example 1-1 when the receiver of terminal 20 receives a command, it transitions to CDRX (intermittent reception state in connected mode).
  • the terminal 20 attempts PDCCH reception during the period of the non-DRX state, and upon receiving the PDCCH, activates the DRX Inactivity Timer. When the DRX Inactivity Timer expires without receiving a PDCCH while the DRX Inactivity Timer is activated, the terminal 20 enters the DRX state.
  • the conventional operation is the same in Examples 1-2 to 1-4.
  • the terminal 20 attempts PDCCH reception during the Non-DRX state period.
  • the terminal 20 receives a command during the non-DRX state, it transitions to the DRX state.
  • the terminal 20 receives the command during the DRX period, it transitions to the non-DRX state. Since the terminal 20 uses a receiver to receive commands, it is possible to receive commands even during the sleep period, which is not the wakeup period in the DRX state.
  • Example 1-2 Next, Example 1-2 will be described.
  • the terminal 20 switches PDCCH monitoring between ON and OFF when receiving a command in the Non-DRX state.
  • the Non-DRX state continues due to PDCCH reception.
  • PDCCH monitoring is turned off.
  • PDCCH monitoring is turned ON.
  • Example 1-3 when the terminal 20 receives the command in the DRX state, PDCCH monitoring is switched between ON and OFF.
  • the terminal 20 continues in the DRX state without receiving any PDCCH.
  • PDCCH monitoring is basically performed periodically in the DRX state. In this state, when terminal 20 receives a command, PDCCH monitoring is turned off. When terminal 20 receives a command while PDCCH monitoring is OFF, PDCCH monitoring is turned ON.
  • Example 1-4 A proposed operation example of the terminal 20 in Example 1-4 will be described with reference to FIG. 8(b).
  • the terminal 20 receives a command while in the Non-DRX state due to PDCCH reception, it enters the Idle/Inactive state and does not perform PDCCH monitoring.
  • the terminal 20 when the terminal 20 receives a command while in the DRX state, it may enter the Idle/Inactive state and not perform PDCCH monitoring.
  • a terminal in connection mode can control CDRX using a simple radio system.
  • WUS (Wake Up Signal) can be transmitted from the base station 10 to the terminal 20, and the terminal 20 can receive the WUS.
  • WUS is a signal that notifies whether or not the terminal 20 needs to wake up during the PDCCH monitoring period (referred to as on-duration) that arrives intermittently.
  • the PDCCH monitoring period is, for example, an on-duration period in CDRX.
  • the terminal 20 in CDRX determines whether to wake up during on-duration based on whether or not a command is received instead of monitoring WUS.
  • FIG. 9 shows a case where the terminal 20 is in the DRX state.
  • the terminal 20 when the terminal 20 receives the command, it wakes up and performs PDCCH monitoring during on-duration immediately after that, for example.
  • terminal 20 when terminal 20 does not receive a command, terminal 20 does not wake up and does not perform PDCCH monitoring during on-duration.
  • the terminal 20 may not perform PDCCH monitoring during the on-duration immediately after that. Also, if the terminal 20 does not receive a command before the on-duration, the terminal 20 may perform PDCCH monitoring during the on-duration.
  • the terminal 20 may transition to sleep if it receives a command while it is Wake Up, and it may wake up if it receives a command while it is not Wake Up.
  • the priority between the proposed method (Wake Up instruction by command) and the conventional operation (Wake Up instruction by WUS) may be notified or changed from the base station 10 to the terminal 20. .
  • the notification method from the base station 10 to the terminal 20 may be any of SIB, DCI, MAC CE, and RRC Signaling.
  • the terminal 20 determines which of the proposed method (Wake Up instruction by command) and the conventional operation (Wake Up instruction by WUS) is to be performed.
  • the base station 10 may be notified of the result.
  • a connected mode terminal can control PDCCH monitoring using a simple wireless system.
  • Example 3 a command is used to instruct Search Space Set Group Switching. Examples 1 to 3 below will be described as specific examples. Note that "Search Space Set Group” in the third embodiment may be replaced with a search space set or search space. Also, “command” in the third embodiment may be replaced with "DCI”. In other words, the control of the third embodiment can be implemented by commands as well as by DCI.
  • Example 1 In Example 1, the base station 10 issues a switching instruction to the terminal 20 using a command, and the terminal 20 determines switching based on the presence or absence of the command.
  • Search Space Set Group 1 and Search Space Set Group 2 are set in terminal 20 .
  • the terminal 20 receives the command while using Search Space Set Group1 as Search Space Set Group, it switches Search Space Set Group from Search Space Set Group1 to Search Space Set Group2.
  • the terminal 20 receives the command while using Search Space Set Group2 as the Search Space Set Group, it switches the Search Space Set Group from Search Space Set Group2 to Search Space Set Group1.
  • Example 2 Example 2>
  • the base station 10 instructs the terminal 20 to switch to the Search Space Set Group by the number of commands.
  • the terminal 20 determines the Search Space Set Group to switch to according to the number (number of times) of commands received.
  • the number of commands received by the terminal 20 may be, for example, the number of commands received continuously within a certain period. Regarding the number of commands, the same applies to other embodiments.
  • the terminal 20 when the terminal 20 receives the command once, it transitions to Search Space Set Group #0, when it receives the command twice, it transitions to Search Space Set Group #1, and when it receives the command three times, Transition to Search Space Set Group #2.
  • Example 3> Search Space Set Group switching by a timer and a command may be combined.
  • An example of the operation of the terminal 20 when combining timers and commands will be described with reference to FIG.
  • the terminal 20 receives a command corresponding to cycle switching while performing PDCCH monitoring in Search Space Set Group #0 with a high monitoring frequency
  • the terminal 20 changes the Search Space Set Group from Search Space Set Group #0 to low monitoring frequency. Switch to Search Space Set Group #1.
  • the terminal 20 starts a timer upon receiving the first command, and when the timer expires, switches the Search Space Set Group from Search Space Set Group #1 to Search Space Set Group #0.
  • terminals in connected mode can control search spaces using a simple wireless system.
  • Example 4 will be described. Since Example 4 includes Examples 4-1 and 4-2, each will be described. Note that "command" in the fourth embodiment may be replaced with "DCI". In other words, the control of the fourth embodiment can be implemented by commands as well as by DCI.
  • Example 4-1 PDCCH skipping is implemented using commands. Examples 1 to 4 below will be described as specific examples.
  • Example 1> the base station 10 instructs the terminal 20 to skip PDCCH with a command, and the terminal 20 skips PDCCH monitoring by the number of Slots/OFDM symbols determined in advance upon receiving the command.
  • An example is shown in FIG. In the example of FIG. 11, terminal 20 is performing PDCCH monitoring in a certain search space, for example. In this state, when a command is received, for example, PDCCH monitoring is skipped for a predetermined period.
  • Example 2 In Example 2, the base station 10 instructs the terminal 20 to skip the PDCCH according to the command count, and the terminal 20 performs PDCCH skipping according to the command reception count.
  • the number of slots/OFDM symbols for skipping PDCCH Monitoring corresponding to the command reception count may be packaged as shown in FIG. 12 and set in the base station 10 and the terminal 20 in advance.
  • Example 4> PDCCH skipping indication by timer and command may be combined. For example, when the terminal 20 receives a command while performing PDCCH monitoring, the terminal 20 transitions to the PDCCH skipping state. Terminal 20 starts a timer upon receiving a command, and when the timer expires, transitions from the PDCCH skipping state to the PDCCH monitoring state.
  • a terminal in connected mode can control the skip operation of PDCCH monitoring using a simple radio system.
  • Example 4-2 Next, Example 4-2 will be described.
  • BWP switching is performed using commands. Examples 1 to 3 below will be described as specific examples.
  • the BWP here may be an uplink BWP, a downlink BWP, or both an uplink BWP and a downlink BWP.
  • FIG. 13 An example is shown in FIG. In the example of FIG. 13, when the terminal 20 receives the command while using BWP#0, the terminal 20 switches the BWP from BWP#0 to BWP#1. When a command is received in this state, the BWP is switched from BWP#1 to BWP#0.
  • the BWP#xx to be switched to may be set in the base station 10 and the terminal 20 in advance, or may be notified or changed from the base station 10 to the terminal 20.
  • the notification method from the base station 10 to the terminal 20 may be any one of SIB, DCI, MAC CE, and RRC Signaling.
  • the "switching destination BWP" corresponding to the command reception count may be packaged as shown in FIG. 14 and set in the base station 10 and the terminal 20 in advance.
  • Example 3> A timer and a command-based BWP switching instruction may be combined. For example, when the terminal 20 receives a command while using BWP#0, it switches to BWP#1. The terminal 20 starts a timer when the command is received, and switches the BWP from BWP#1 to BWP#0 when the timer expires.
  • a terminal in connection mode can control the switching operation of BWP using a simple wireless system.
  • Example 5 The terminal 20 determines whether or not to perform PDCCH monitoring on a certain search space depending on whether or not a command is received before the PDCCH monitoring opportunity of the search space. From the perspective of the base station 10, the base station 10, for example, transmits a command when transmitting PDCCH to the terminal 20 at a PDCCH monitoring opportunity of a certain search space, and transmits a PDCCH to the terminal 20 at this PDCCH monitoring opportunity. Do not send commands if sending is not performed.
  • Example 5 will be described with reference to FIG. Here, it is assumed that a certain search space is set in the terminal 20, and that search space is used when monitoring the PDCCH.
  • terminal 20 when the terminal 20 receives the command at the timing before the search space, it monitors the PDCCH at the timing of the first search space that arrives after that. In the example shown on the right side of FIG. 15, terminal 20 does not receive a command at the timing before the search space, so it does not monitor the PDCCH in the first search space that arrives after that.
  • the terminal 20 may perform PDCCH monitoring when not receiving a command, and may not perform PDCCH monitoring when receiving a command. From the perspective of the base station 10, for example, when transmitting the PDCCH to the terminal 20 in a PDCCH monitoring opportunity of a certain search space, the base station 10 does not transmit a command to the terminal 20 in the PDCCH monitoring opportunity. command is not transmitted when the PDCCH transmission of 1 is not performed.
  • Example 5 The operation of Example 5 may be performed during a specific period.
  • a specific period may be preset in the base station 10 and the terminal 20, or may be notified (set) or changed from the base station 10 to the terminal 20.
  • the method of notification from the base station 10 to the terminal 20 may be SIB, DCI, MAC CE, or RRC Signaling.
  • a “specific period” may be a period in which multiple slots or multiple PDCCH monitoring opportunities are grouped as one set.
  • terminals in connected mode can perform control related to PDCCH monitoring using a simple radio system.
  • Example 6 Since Example 6 includes Example 6-1 and Example 6-2 as a variation, each of them will be described.
  • Example 6-1 the terminal 20 receives data on PDSCH resources dedicated for operation in this embodiment when receiving a command. From the perspective of the base station 10, the base station 10, for example, transmits a command when performing data transmission on the PDSCH resource, and does not transmit a command when not performing data transmission on the PDSCH resource.
  • the PDSCH resources may be time resources, frequency resources, or time-frequency resources.
  • Example 6-1 will be described with reference to FIG. Here, it is assumed that a dedicated PDSCH resource is set for the terminal 20, and that PDSCH resource is used for data reception.
  • terminal 20 when the terminal 20 receives the command at the timing before the PDSCH resource, the terminal 20 receives data on the first PDSCH resource that arrives after that. In the example shown on the right side of FIG. 16 , terminal 20 does not receive the command at the timing before the PDSCH resource, so it does not receive data on the first PDSCH resource that follows.
  • the terminal 20 may or may not perform normal PDCCH Monitoring while performing the proposed operation.
  • Information on dedicated PDSCH resources may be set in advance in the base station 10 and the terminal 20, or notified (set) from the base station 10 to the terminal 20, or May be changed.
  • the number of dedicated PDSCH resources configured may be one or more.
  • FIGS. 17 and 18 show examples when a plurality of PDSCH resources are configured in the terminal 20.
  • PDSCH resources may be configured in terminal 20 in the form of a table shown in FIG.
  • the terminal 20 identifies the PDSCH resource index according to the number of command receptions, and transmits data using the PDSCH resource corresponding to the index.
  • FIG. 17 shows an example in which resource #1 is identified by receiving a single command.
  • a terminal in connection mode can perform control related to data reception using a simple wireless system.
  • Example 6-2 the terminal 20 transmits data on dedicated PUSCH resources for operation in this embodiment when receiving a command.
  • the base station 10 transmits a command when data reception is performed on the PUSCH resource, and does not transmit a command when data reception on the PUSCH resource is not performed.
  • the PUSCH resource may be a time resource, a frequency resource, or a time/frequency resource.
  • Example 6-2 will be described with reference to FIG. Here, it is assumed that a dedicated PUSCH resource is set for the terminal 20, and that PUSCH resource is used for data transmission.
  • terminal 20 when the terminal 20 receives the command at the timing before the PUSCH resource, the terminal 20 transmits data on the first PUSCH resource that arrives after that. In the example shown on the right side of FIG. 19, terminal 20 does not receive the command at the timing before the PUSCH resource, so it does not transmit data on the first PUSCH resource that arrives after that.
  • the terminal 20 may or may not perform normal PDCCH Monitoring while performing the proposed operation.
  • Information on dedicated PUSCH resources may be set in advance in the base station 10 and the terminal 20, or notified (set) from the base station 10 to the terminal 20, or May be changed.
  • the number of dedicated PUSCH resources configured may be one or more.
  • FIGS. 20 and 21 show examples in which a plurality of PUSCH resources are configured in the terminal 20.
  • PUSCH resources may be configured in terminal 20 in the form of a table shown in FIG.
  • the terminal 20 identifies the index of the PUSCH resource according to the number of command receptions, and transmits data using the PUSCH resource corresponding to the index.
  • FIG. 20 shows an example in which resource #1 is specified by receiving a single command.
  • a terminal in connection mode can control data transmission using a simple wireless system.
  • the receiver provided in the terminal 20 may be a circuit that only performs reception, or may be a device that also has a transmission function such as an RFID that performs backscatter communication.
  • the terminal 20 in the present embodiment may be equipped with not only a single receiver but also multiple receivers of the same type or different types. When multiple receivers are installed, each receiver may be used for the same purpose or may be used for different purposes. The use of each receiver may be designated by the base station 10 to the terminal 20, or may be defined in advance. Examples 1 to 3 will be described as specific examples of applications of multiple receivers.
  • Example 1 The terminal 20 does not perform the proposed operation (operations of Examples 1 to 6) unless the command reception results of at least two receivers match. When the command reception results of at least two receivers match, the terminal 20 performs the suggested action based on the command.
  • Terminal 20 uses receiver #1 for SearchSpace Switching, and receiver #2 for WUS (using commands as WUS).
  • the terminal 20 uses the receiver #1 for data reception using the dedicated PDSCH resource, and uses the receiver #2 for data reception using the dedicated PUSCH resource.
  • the base station 10 and terminal 20 include functionality to implement Examples 1-6 described above. However, each of the base station 10 and the terminal 20 may have only some of the multiple functions described in the first to sixth embodiments.
  • FIG. 22 is a diagram showing an example of the functional configuration of the base station 10.
  • the base station 10 has a transmitting section 110, a receiving section 120, a setting section 130, and a control section 140.
  • the functional configuration shown in FIG. 22 is merely an example. As long as the operation according to the embodiment of the present invention can be executed, the functional division and the names of the functional units may be arbitrary.
  • the transmitting unit 110 and the receiving unit 120 may be called a communication unit.
  • the transmission unit 110 includes a function of generating a signal to be transmitted to the terminal 20 side and wirelessly transmitting the signal.
  • the transmission unit 110 may be divided into a command transmission function and a normal signal transmission function other than commands.
  • the receiving unit 120 includes a function of receiving various signals transmitted from the terminal 20 and acquiring, for example, higher layer information from the received signals. Also, the transmitting unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL/UL control signals, control information, DL data, etc. to the terminal 20 .
  • the setting unit 130 stores preset setting information and various setting information to be transmitted to the terminal 20 in the storage device, and reads them from the storage device as necessary.
  • the control unit 140 performs, for example, resource allocation, overall control of the base station 10, and the like. It should be noted that the functional unit related to signal transmission in control unit 140 may be included in transmitting unit 110 , and the functional unit related to signal reception in control unit 140 may be included in receiving unit 120 . Also, the transmitting unit 110 and the receiving unit 120 may be called a transmitter and a receiver, respectively.
  • FIG. 23 is a diagram showing an example of the functional configuration of the terminal 20.
  • the terminal 20 has a transmitter 210 , a receiver 220 , a setter 230 and a controller 240 .
  • the functional configuration shown in FIG. 23 is merely an example. As long as the operation according to the embodiment of the present invention can be executed, the functional division and the names of the functional units may be arbitrary.
  • the transmitting unit 210 and the receiving unit 220 may be called a communication unit.
  • the transmission unit 210 creates a transmission signal from the transmission data and wirelessly transmits the transmission signal.
  • the receiving unit 220 wirelessly receives various signals and acquires a higher layer signal from the received physical layer signal.
  • the receiver 220 may be divided into a receiver for command reception (passive receiver) and a receiver for receiving normal signals other than commands. Also, as shown in FIG. 24, a passive receiver 211 may be provided separately from the receiver 220 that receives normal signals.
  • the setting unit 230 stores various types of setting information received from the base station 10 by the receiving unit 220 in the storage device, and reads them from the storage device as necessary.
  • the setting unit 230 also stores preset setting information.
  • the control unit 240 performs the operation control described in the first to sixth embodiments based on the information (commands, DCI, etc.) received from the base station 10. It should be noted that the functional unit related to signal transmission in control unit 240 may be included in transmitting unit 210 , and the functional unit related to signal reception in control unit 240 may be included in receiving unit 220 . Also, the transmitting section 210 and the receiving section 220 may be called a transmitter and a receiver, respectively.
  • Examples 1 to 4 of the present embodiment provide at least the terminals described in, for example, the following items.
  • (Section 1) a receiver for receiving commands;
  • a terminal comprising: a control unit that switches an operation in connection mode from a first operation to a second operation when a command is received by the receiver.
  • (Section 2) 2.
  • (Section 3) 3.
  • the terminal according to claim 1 or 2 wherein when the receiver receives a command, the control unit switches between execution and non-execution of control channel monitoring in discontinuous reception.
  • a terminal in connection mode it is possible for a terminal in connection mode to perform operation control using a simple wireless system.
  • operation control monitoring execution control of the control channel in intermittent reception can be performed.
  • search space switching control can be performed as the operation control.
  • BWP switching control can be performed as the operation control.
  • control using a timer can be performed as the operation control.
  • Examples 5-6 of the present embodiment provide at least the terminal and monitoring method described in, for example, the following sections.
  • (Section 1) a receiver for receiving commands; Control of performing monitoring of the control channel at a control channel monitoring opportunity when the command is received by the receiver, and not performing monitoring of the control channel at the monitoring opportunity when the command is not received by the receiver
  • a terminal comprising a part and .
  • (Section 2) a receiver for receiving commands; a control unit that determines to receive data using preset data reception resources or data reception resources notified from a base station when a command is received by the receiver; .
  • control unit determines a data reception resource to be used from among a plurality of data reception resources based on the number of times the command is received by the receiver.
  • a receiver for receiving commands a control unit that determines to transmit data using a preset data transmission resource or a data transmission resource notified from a base station when a command is received by the receiver; .
  • the control unit determines a data transmission resource to be used from among a plurality of data transmission resources based on the number of times the command is received by the receiver.
  • (Section 6) performing said control channel monitoring at a control channel monitoring opportunity upon receipt of a command by a receiver for receiving said command; A monitoring method performed by a terminal, wherein if the command is not received by the receiver, the monitoring of the control channel is not performed at the monitoring occasion.
  • Any of items 1 to 6 enables a terminal in connection mode to control communication using a simple wireless system.
  • a data transmission resource to be used can be identified from among a plurality of data transmission resources using a simple wireless system.
  • each functional block may be implemented using one device that is physically or logically coupled, or directly or indirectly using two or more devices that are physically or logically separated (e.g. , wired, wireless, etc.) and may be implemented using these multiple devices.
  • a functional block may be implemented by combining software in the one device or the plurality of devices.
  • Functions include judging, determining, determining, calculating, calculating, processing, deriving, investigating, searching, checking, receiving, transmitting, outputting, accessing, resolving, selecting, choosing, establishing, comparing, assuming, expecting, assuming, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc. can't
  • a functional block (component) responsible for transmission is called a transmitting unit or transmitter.
  • the implementation method is not particularly limited.
  • the base station 10, the terminal 20, etc. may function as a computer that performs processing of the wireless communication method of the present disclosure.
  • FIG. 25 is a diagram illustrating an example of a hardware configuration of base station 10 and terminal 20 according to an embodiment of the present disclosure.
  • the base station 10 and terminal 20 described above are physically configured as a computer device including a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like. good too.
  • the term "apparatus” can be read as a circuit, device, unit, or the like.
  • the hardware configuration of the base station 10 and terminal 20 may be configured to include one or more of each device shown in the figure, or may be configured without some devices.
  • Each function of the base station 10 and the terminal 20 is performed by the processor 1001 performing calculations and controlling communication by the communication device 1004 by loading predetermined software (programs) onto hardware such as the processor 1001 and the storage device 1002. or by controlling at least one of data reading and writing in the storage device 1002 and the auxiliary storage device 1003 .
  • the processor 1001 for example, operates an operating system and controls the entire computer.
  • the processor 1001 may be configured with a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, registers, and the like.
  • CPU central processing unit
  • the control unit 140 , the control unit 240 and the like described above may be implemented by the processor 1001 .
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the auxiliary storage device 1003 and the communication device 1004 to the storage device 1002, and executes various processes according to them.
  • programs program codes
  • software modules software modules
  • data etc.
  • the program a program that causes a computer to execute at least part of the operations described in the above embodiments is used.
  • control unit 140 of base station 10 shown in FIG. 22 may be implemented by a control program stored in storage device 1002 and operated by processor 1001 .
  • FIG. Processor 1001 may be implemented by one or more chips.
  • the program may be transmitted from a network via an electric communication line.
  • the storage device 1002 is a computer-readable recording medium, for example, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), etc. may be configured.
  • the storage device 1002 may also be called a register, cache, main memory (main storage device), or the like.
  • the storage device 1002 can store executable programs (program code), software modules, etc. for implementing a communication method according to an embodiment of the present disclosure.
  • the auxiliary storage device 1003 is a computer-readable recording medium, for example, an optical disc such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disc, a magneto-optical disc (for example, a compact disc, a digital versatile disc, a Blu -ray disk), smart card, flash memory (eg, card, stick, key drive), floppy disk, magnetic strip, and/or the like.
  • Auxiliary storage device 1003 may also be referred to as an auxiliary storage device.
  • the storage medium described above may be, for example, a database, server, or other suitable medium including at least one of storage device 1002 and secondary storage device 1003 .
  • the communication device 1004 is hardware (transmitting/receiving device) for communicating between computers via at least one of a wired network and a wireless network, and is also called a network device, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to realize at least one of, for example, frequency division duplex (FDD) and time division duplex (TDD).
  • FDD frequency division duplex
  • TDD time division duplex
  • the transceiver may be physically or logically separate implementations for the transmitter and receiver.
  • the input device 1005 is an input device (for example, keyboard, mouse, microphone, switch, button, sensor, etc.) that receives input from the outside.
  • the output device 1006 is an output device (for example, display, speaker, LED lamp, etc.) that outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
  • Each device such as the processor 1001 and the storage device 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses between devices.
  • the base station 10 and the terminal 20 include microprocessors, digital signal processors (DSPs), ASICs (Application Specific Integrated Circuits), PLDs (Programmable Logic Devices), FPGAs (Field Programmable Gates and other hardware arrays). , and part or all of each functional block may be implemented by the hardware.
  • processor 1001 may be implemented using at least one of these pieces of hardware.
  • FIG. 26 shows a configuration example of the vehicle 1. As shown in FIG.
  • the vehicle 1 includes a drive unit 2, a steering unit 3, an accelerator pedal 4, a brake pedal 5, a shift lever 6, left and right front wheels 7, left and right rear wheels 8, an axle 9, an electronic control unit 11, and various components. It has sensors 21 to 29 , an information service unit 12 and a communication module 13 .
  • the driving unit 2 is composed of, for example, an engine, a motor, or a hybrid of the engine and the motor.
  • the steering unit 3 includes at least a steering wheel (also referred to as a steering wheel), and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel operated by the user.
  • the electronic control unit 11 is composed of a microprocessor 31, a memory (ROM, RAM) 32, and a communication port (IO port) 33. Signals from various sensors 21 to 27 provided in the vehicle are input to the electronic control unit 11 .
  • the electronic control unit 11 may also be called an ECU (Electronic Control Unit).
  • Signals from the various sensors 21 to 28 include a current signal from the current sensor 21 that senses the current of the motor, a rotation speed signal of the front and rear wheels acquired by the rotation speed sensor 22, and a front wheel acquired by the air pressure sensor 23. and rear wheel air pressure signal, vehicle speed signal acquired by vehicle speed sensor 24, acceleration signal acquired by acceleration sensor 25, accelerator pedal depression amount signal acquired by accelerator pedal sensor 29, brake pedal sensor 26 acquired There are a brake pedal depression amount signal, a shift lever operation signal acquired by the shift lever sensor 27, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 28, and the like.
  • the information service unit 12 includes various devices such as car navigation systems, audio systems, speakers, televisions, and radios for providing various types of information such as driving information, traffic information, and entertainment information, and one or more devices for controlling these devices. ECU.
  • the information service unit 12 uses information acquired from an external device via the communication module 13 or the like to provide passengers of the vehicle 1 with various multimedia information and multimedia services.
  • Driving support system unit 30 includes millimeter wave radar, LiDAR (Light Detection and Ranging), camera, positioning locator (e.g., GNSS, etc.), map information (e.g., high-definition (HD) map, automatic driving vehicle (AV) map, etc. ), gyro systems (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chips, AI processors, etc., to prevent accidents and reduce the driver's driving load. and one or more ECUs for controlling these devices.
  • the driving support system unit 30 transmits and receives various information via the communication module 13, and realizes a driving support function or an automatic driving function.
  • the communication module 13 can communicate with the microprocessor 31 and components of the vehicle 1 via communication ports.
  • the communication module 13 communicates through the communication port 33 with the drive unit 2, the steering unit 3, the accelerator pedal 4, the brake pedal 5, the shift lever 6, the left and right front wheels 7, the left and right rear wheels 8, Data is transmitted and received between the axle 9, the microprocessor 31 and memory (ROM, RAM) 32 in the electronic control unit 11, and the sensors 21-28.
  • the communication module 13 is a communication device that can be controlled by the microprocessor 31 of the electronic control unit 11 and can communicate with an external device. For example, it transmits and receives various information to and from an external device via wireless communication.
  • the communication module 13 may be either internal or external to the electronic control unit 11 .
  • the external device may be, for example, a base station, a mobile station, or the like.
  • the communication module 13 transmits the current signal from the current sensor input to the electronic control unit 11 to an external device via wireless communication. Further, the communication module 13 receives, from the electronic control unit 11, the rotation speed signals of the front and rear wheels acquired by the rotation speed sensor 22, the air pressure signals of the front and rear wheels acquired by the air pressure sensor 23, and the vehicle speed sensor. 24, an acceleration signal obtained by an acceleration sensor 25, an accelerator pedal depression amount signal obtained by an accelerator pedal sensor 29, a brake pedal depression amount signal obtained by a brake pedal sensor 26, and a shift lever. A shift lever operation signal obtained by the sensor 27 and a detection signal for detecting obstacles, vehicles, pedestrians, etc. obtained by the object detection sensor 28 are also transmitted to an external device via wireless communication.
  • the communication module 13 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from an external device and displays it on the information service unit 12 provided in the vehicle. Communication module 13 also stores various information received from external devices in memory 32 that can be used by microprocessor 31 . Based on the information stored in the memory 32, the microprocessor 31 controls the driving unit 2, the steering unit 3, the accelerator pedal 4, the brake pedal 5, the shift lever 6, the left and right front wheels 7, and the left and right rear wheels provided in the vehicle 1. 8, axle 9, sensors 21-28, etc. may be controlled.
  • the terminal 20 or the base station 10 described in this embodiment may be used.
  • the operations of a plurality of functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by a plurality of components.
  • the processing order may be changed as long as there is no contradiction.
  • the base station 10 and the terminal 20 have been described using functional block diagrams for convenience of explanation of processing, such devices may be implemented in hardware, software, or a combination thereof.
  • the software operated by the processor of the base station 10 according to the embodiment of the present invention and the software operated by the processor of the terminal 20 according to the embodiment of the present invention are stored in random access memory (RAM), flash memory, read-only memory, respectively. (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server, or any other appropriate storage medium.
  • notification of information is not limited to the aspects/embodiments described in the present disclosure, and may be performed using other methods.
  • notification of information includes physical layer signaling (e.g., DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (e.g., RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof.
  • RRC signaling may be called an RRC message, for example, RRC It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration message, or the like.
  • Each aspect/embodiment described in the present disclosure includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G (4th generation mobile communication system), 5G (5th generation mobile communication system) system), 6th generation mobile communication system (6G), xth generation mobile communication system (xG) (xG (x is, for example, an integer, a decimal number)), FRA (Future Radio Access), NR (new Radio), New radio access ( NX), Future generation radio access (FX), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802 .16 (WiMAX (registered trademark)), IEEE 802.20, UWB (Ultra-WideBand), Bluetooth (registered trademark), and other suitable systems, and any extensions, modifications, creations, and provisions based on these systems. It may be applied to
  • a specific operation performed by the base station 10 in this specification may be performed by its upper node in some cases.
  • various operations performed for communication with the terminal 20 may be performed by the base station 10 and other network nodes other than the base station 10 (eg, but not limited to MME or S-GW).
  • the other network node may be a combination of a plurality of other network nodes (for example, MME and S-GW).
  • Information, signals, etc. described in the present disclosure may be output from a higher layer (or a lower layer) to a lower layer (or a higher layer). It may be input and output via multiple network nodes.
  • Input/output information may be stored in a specific location (for example, memory) or managed using a management table. Input/output information and the like can be overwritten, updated, or appended. The output information and the like may be deleted. The entered information and the like may be transmitted to another device.
  • the determination in the present disclosure may be performed by a value represented by 1 bit (0 or 1), may be performed by a boolean (Boolean: true or false), or may be a numerical comparison (for example , comparison with a predetermined value).
  • Software whether referred to as software, firmware, middleware, microcode, hardware description language or otherwise, includes instructions, instruction sets, code, code segments, program code, programs, subprograms, and software modules. , applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, and the like.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • a transmission medium For example, if the software uses wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and/or wireless technology (infrared, microwave, etc.), the website, Wired and/or wireless technologies are included within the definition of transmission medium when sent from a server or other remote source.
  • wired technology coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. may be represented by a combination of
  • the channel and/or symbols may be signaling.
  • a signal may also be a message.
  • a component carrier may also be called a carrier frequency, cell, frequency carrier, or the like.
  • system and “network” used in this disclosure are used interchangeably.
  • information, parameters, etc. described in the present disclosure may be expressed using absolute values, may be expressed using relative values from a predetermined value, or may be expressed using other corresponding information.
  • radio resources may be indexed.
  • the names used for the parameters described above are not restrictive names in any respect. Further, the formulas, etc., using these parameters may differ from those expressly disclosed in this disclosure. Since the various channels (e.g., PUSCH, PUCCH, PDCCH, etc.) and information elements can be identified by any suitable names, the various names assigned to these various channels and information elements are in no way restrictive. not a name.
  • base station BS
  • radio base station base station
  • base station fixed station
  • NodeB nodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • a base station can accommodate one or more (eg, three) cells.
  • the overall coverage area of the base station can be partitioned into multiple smaller areas, each smaller area being associated with a base station subsystem (e.g., an indoor small base station (RRH:
  • RRH indoor small base station
  • 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 serving communication services in this coverage.
  • MS mobile station
  • UE user equipment
  • terminal terminal
  • a mobile station is defined by those skilled in the art as subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, terminal , a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term.
  • At least one of the base station and mobile station may be called a transmitting device, a receiving device, a communication device, or the like.
  • At least one of the base station and the mobile station may be a device mounted on a mobile object, the mobile object itself, or the like.
  • the mobile object may be a vehicle (e.g., car, airplane, etc.), an unmanned mobile object (e.g., drone, self-driving car, etc.), or a robot (manned or unmanned ).
  • at least one of the base station and the mobile station includes devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a terminal.
  • a configuration in which communication between a base station and a terminal is replaced with communication between a plurality of terminals 20 for example, D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.
  • the terminal 20 may have the functions of the base station 10 described above.
  • words such as "up” and “down” may be replaced with words corresponding to inter-terminal communication (for example, "side”).
  • uplink channels, downlink channels, etc. may be read as side channels.
  • a terminal in the present disclosure may be read as a base station.
  • the base station may have the functions that the terminal has.
  • determining and “determining” used in this disclosure may encompass a wide variety of actions.
  • “Judgement” and “determination” are, for example, judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiry (eg, lookup in a table, database, or other data structure);
  • “judgment” and “determination” are used to refer to receiving (e.g., receiving information), transmitting (e.g., transmitting information), input, output, access (Accessing) (for example, accessing data in memory) may include deeming that a "judgment” or “decision” has been made.
  • “judgment” and “decision” refer to resolving, selecting, choosing, establishing, comparing, etc.
  • judgment and “decision" can contain.
  • judgment and “decision” may include considering that some action is “judgment” and “decision”.
  • judgment (decision) may be read as “assuming", “expecting”, “considering”, or the like.
  • connection means any direct or indirect connection or coupling between two or more elements, It can include the presence of one or more intermediate elements between two elements being “connected” or “coupled.” Couplings or connections between elements may be physical, logical, or a combination thereof. For example, “connection” may be read as "access”.
  • two elements are defined using at least one of one or more wires, cables, and printed electrical connections and, as some non-limiting and non-exhaustive examples, in the radio frequency domain. , electromagnetic energy having wavelengths in the microwave and optical (both visible and invisible) regions, and the like.
  • the reference signal can also be abbreviated as RS (Reference Signal), and may also be called Pilot depending on the applicable standard.
  • RS Reference Signal
  • any reference to elements using the "first,” “second,” etc. designations used in this disclosure does not generally limit the quantity or order of those elements. These designations may be used in this disclosure as a convenient method of distinguishing between two or more elements. Thus, reference to a first and second element does not imply that only two elements can be employed or that the first element must precede the second element in any way.
  • a radio frame may consist of one or more frames in the time domain. Each frame or frames in the time domain may be referred to as a subframe. A subframe may also consist of one or more slots in the time domain. A subframe may be of a fixed length of time (eg, 1 ms) independent of numerology.
  • a numerology may be a communication parameter that applies to the transmission and/or reception of a signal or channel. Numerology, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI: Transmission Time Interval), number of symbols per TTI, radio frame configuration, transceiver It may indicate at least one of certain filtering operations performed in the frequency domain, certain windowing operations performed by the transceiver in the time domain, and/or the like.
  • SCS subcarrier spacing
  • TTI Transmission Time Interval
  • TTI Transmission Time Interval
  • transceiver It may indicate at least one of certain filtering operations performed in the frequency domain, certain windowing operations performed by the transceiver in the time domain, and/or the like.
  • a slot may consist of one or more symbols (OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol, etc.) in the time domain.
  • a slot may be a unit of time based on numerology.
  • a slot may contain multiple mini-slots. Each minislot may consist of one or more symbols in the time domain. A minislot may also be referred to as a subslot. A minislot may consist of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (or PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (or PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots and symbols all represent time units when transmitting signals. Radio frames, subframes, slots, minislots and symbols may be referred to by other corresponding designations.
  • one subframe may be called a Transmission Time Interval (TTI)
  • TTI Transmission Time Interval
  • TTI Transmission Time Interval
  • TTI Transmission Time Interval
  • one slot or one minislot may be called a TTI.
  • TTI Transmission Time Interval
  • 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 may be Note that the unit representing the TTI may be called a slot, mini-slot, or the like instead of a subframe.
  • TTI refers to, for example, the minimum scheduling time unit in wireless communication.
  • the base station performs scheduling to allocate radio resources (frequency bandwidth, transmission power, etc. that can be used by each terminal 20) to each terminal 20 on a TTI basis.
  • radio resources frequency bandwidth, transmission power, etc. that can be used by each terminal 20
  • TTI is not limited to this.
  • a TTI may be a transmission time unit such as a channel-encoded data packet (transport block), code block, or codeword, or may be a processing unit such as scheduling and link adaptation. Note that when a TTI is given, the time interval (for example, the number of symbols) in which transport blocks, code blocks, codewords, etc. are actually mapped may be shorter than the TTI.
  • one or more TTIs may be the minimum scheduling time unit. Also, the number of slots (the 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 called a normal TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, or the like.
  • TTI that is shorter than a normal TTI may also be called a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, and the like.
  • the long TTI (e.g., normal TTI, subframe, etc.) may be replaced with a TTI having a time length exceeding 1 ms
  • the short TTI e.g., shortened TTI, etc.
  • a TTI having the above TTI length may be read instead.
  • a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or more consecutive subcarriers in the frequency domain.
  • the number of subcarriers included in the RB may be the same regardless of the numerology, and may be 12, for example.
  • the number of subcarriers included in an RB may be determined based on numerology.
  • the time domain of an RB may include one or more symbols and may be 1 slot, 1 minislot, 1 subframe, or 1 TTI long.
  • One TTI, one subframe, etc. may each consist of one or more resource blocks.
  • One or more RBs are physical resource blocks (PRB: Physical RB), sub-carrier groups (SCG: Sub-Carrier Group), resource element groups (REG: Resource Element Group), PRB pairs, RB pairs, etc. may be called.
  • PRB Physical resource blocks
  • SCG Sub-Carrier Group
  • REG Resource Element Group
  • PRB pairs RB pairs, etc.
  • a resource block may be composed of one or more resource elements (RE: Resource Element).
  • RE Resource Element
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • a bandwidth part (which may also be called a partial bandwidth, etc.) may represent a subset of contiguous common resource blocks (RBs) for a certain numerology in a certain carrier.
  • the common RB may be identified by an RB index based on the common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • the BWP may include a BWP for UL (UL BWP) and a BWP for DL (DL BWP).
  • UL BWP UL BWP
  • DL BWP DL BWP
  • One or multiple BWPs may be configured for a UE within one carrier.
  • At least one of the configured BWPs may be active, and the UE may not expect to transmit or receive a given signal/channel outside the active BWP.
  • BWP bitmap
  • radio frames, subframes, slots, minislots and symbols described above are only examples.
  • the number of subframes contained in a radio frame the number of slots per subframe or radio frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, the number of Configurations such as the number of subcarriers, the number of symbols in a TTI, the symbol length, the Cyclic Prefix (CP) length, etc.
  • CP Cyclic Prefix
  • a and B are different may mean “A and B are different from each other.”
  • the term may also mean that "A and B are different from C”.
  • Terms such as “separate,” “coupled,” etc. may also be interpreted in the same manner as “different.”
  • notification of predetermined information is not limited to being performed explicitly, but may be performed implicitly (for example, not notifying the predetermined information). good too.
  • the SS block or CSI-RS is an example of a synchronization signal or reference signal.
  • Base station 110 Transmitting unit 120 Receiving unit 130 Setting unit 140 Control unit 20 Terminal 210 Transmitting unit 220 Receiving unit 221 Passive receiver 230 Setting unit 240 Control unit 1001 Processor 1002 Storage device 1003 Auxiliary storage device 1004 Communication device 1005 Input device 1006 output device

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020141484A1 (en) * 2019-01-04 2020-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Repetition for ultra-reliable low-latency communications

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020141484A1 (en) * 2019-01-04 2020-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Repetition for ultra-reliable low-latency communications

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "RAN2 impact of WUS in connected mode", 3GPP DRAFT; R2-1909983 RAN2 IMPACT OF WUS IN CONNECTED MODE, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Prague, Czech Republic; 20190826 - 20190830, 16 August 2019 (2019-08-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051767769 *

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