Terminals and communication methods

Abstract

This terminal comprises: a transmission unit for transmitting a signal to a base station; and a control unit for assuming that the base station activates an intermittent reception function for deactivating a reception unit at the time of transmitting said signal.

Description

Technical Field

[0001] The present invention relates to a terminal, a base station, and a communication method in a wireless communication system.

Background Art

[0002] In NR (New Radio), which is a successor system to LTE (Long Term Evolution) (also referred to as "5G"), technologies that meet requirements such as a large-capacity system, high-speed data transmission speed, low latency, simultaneous connection of a large number of terminals, low cost, and power saving are being studied (for example, Non-Patent Document 1).

[0003] In NR Release 18, energy-saving specifications for base stations are being studied. Details are issues for future study.

Prior Art Documents

Non-Patent Documents

[0004]

Non-Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In order to achieve carbon neutrality and the SDGs, the importance of saving power consumption of base stations has been increasing. However, conventionally, there has been a problem that methods for saving power consumption of base stations have not been standardized.

[0006] The present invention has been made in view of the above points, and an object thereof is to realize power consumption savings of a base station.

Means for Solving the Problems

[0007] According to the disclosed technology, intermittent reception by a base station functionA receiving unit that receives setting information, and the base station that performs intermittent reception in response to receiving the setting information. function A control unit that enables the and intermittent reception by the base station function When enabled, the transmitter unit sends a signal when drx-onDurationTimer is running, and The receiving unit receives information instructing the base station to enable or disable the terminal-side function of the intermittent reception function. A device will be provided. [Effects of the Invention]

[0008] The disclosed technology provides a mechanism that enables saving power consumption at base stations. [Brief explanation of the drawing]

[0009] [Figure 1] This figure illustrates a wireless communication system according to an embodiment of the present invention. [Figure 2] This is a diagram illustrating CDRX in NR Release 15. [Figure 3] This is a diagram illustrating WUS in NR Release 16. [Figure 4] This figure illustrates the intermittent reception of a base station according to Embodiment 1 of the present invention. [Figure 5] This figure illustrates the parameters related to Example 1 of the embodiment of the present invention. [Figure 6] This figure shows an example of the functional configuration of a base station according to an embodiment of the present invention. [Figure 7] This figure shows an example of the functional configuration of a terminal according to an embodiment of the present invention. [Figure 8] This figure shows an example of the hardware configuration of a base station or terminal according to an embodiment of the present invention. [Figure 9] This figure shows an example of the configuration of a vehicle according to an embodiment of the present invention. [Modes for carrying out the invention]

[0010] Embodiments of the present invention will be described below with reference to the drawings. Note that the embodiments described below are examples, and the embodiments to which the present invention is applied are not limited to those described below.

[0011] In the operation of the wireless communication system according to the embodiments of the present invention, existing technologies may be used as appropriate. Such existing technologies include, but are not limited to, existing NR or LTE. Furthermore, the term "LTE" as used herein has a broad meaning that includes LTE-Advanced and LTE-Advanced and later technologies (e.g., NR), unless otherwise specified.

[0012] Furthermore, in the embodiments of the present invention described below, terms such as SS (Synchronization signal), PSS (Primary SS), SSS (Secondary SS), PBCH (Physical broadcast channel), PRACH (Physical random access channel), PDCCH (Physical Downlink Control Channel), PDSCH (Physical Downlink Shared Channel), PUCCH (Physical Uplink Control Channel), and PUSCH (Physical Uplink Shared Channel), which are used in existing LTE systems, will be used. This is for convenience of description, and similar signals, functions, etc., may be called by other names. Also, the above terms in NR correspond to NR-SS, NR-PSS, NR-SSS, NR-PBCH, NR-PRACH, etc. However, even if a signal is used in NR, it is not necessarily explicitly stated as "NR-".

[0013] Furthermore, in the embodiments of the present invention, the duplex method may be a TDD (Time Division Duplex) method, an FDD (Frequency Division Duplex) method, or any other method (for example, a Flexible Duplex).

[0014] In addition, in the embodiments of the present invention, when wireless parameters or the like are "configured", it may mean that predetermined values are pre-configured, or it may mean that wireless parameters notified from a base station or a terminal are configured.

[0015] (System Configuration) FIG. 1 is a diagram for explaining a wireless communication system according to an embodiment of the present invention. As shown in FIG. 1, the wireless communication system according to the embodiment of the present invention includes a base station 10 and a terminal 20. Although one base station 10 and one terminal 20 are shown in FIG. 1, this is an example, and there may be a plurality of each.

[0016] The base station 10 is a communication device that provides one or more cells and performs wireless communication with the terminal 20. The physical resources of the wireless signal are defined in the time domain and the frequency domain. The time domain may be defined by the number of OFDM (Orthogonal Frequency Division Multiplexing) symbols, and the frequency domain may be defined by the number of subcarriers or the number of resource blocks. Also, the TTI (Transmission Time Interval) in the time domain may be a slot or a subframe.

[0017] The base station 10 transmits synchronization signals and system information to the terminal 20. The synchronization signals are, for example, NR-PSS and NR-SSS. The system information is transmitted, for example, by NR-PBCH and is also referred to as notification information. The synchronization signals and system information may be referred to as an SSB (SS / PBCH block). As shown in FIG. 1, the base station 10 transmits control signals or data to the terminal 20 in the DL (Downlink) and receives control signals or data from the terminal 20 in the UL (Uplink). Both the base station 10 and the terminal 20 are capable of performing beamforming for signal transmission and reception. Also, both the base station 10 and the terminal 20 are capable of applying communication by MIMO (Multiple Input Multiple Output) to the DL or UL. Also, both the base station 10 and the terminal 20 may communicate via a secondary cell (SCell: Secondary Cell) and a primary cell (PCell: Primary Cell) by CA (Carrier Aggregation). Further, the terminal 20 may communicate via the primary cell of the base station 10 and the primary secondary cell group cell (PSCell: Primary SCG Cell) of another base station 10 by DC (Dual Connectivity).

[0018] The terminal 20 is a communication device equipped with a wireless communication function such as a smartphone, a mobile phone, a tablet, a wearable terminal, a communication module for M2M (Machine-to-Machine), etc. As shown in FIG. 1, the terminal 20 receives control signals or data from the base station 10 in the DL and transmits control signals or data to the base station 10 in the UL, thereby using various communication services provided by the wireless communication system. Also, the terminal 20 receives various reference signals transmitted from the base station 10 and performs measurement of the propagation path quality based on the reception result of the reference signal. Note that the terminal 20 may be referred to as a UE and the base station 10 may be referred to as a gNB.

[0019] Next, we will describe the discussion status regarding base station power saving in NR Release 18. Base station and terminal techniques to improve network energy saving from both base station transmission and reception perspectives are being considered. For example, base stations are being explored on how to more efficiently achieve finer-grained, dynamic and / or semi-static adaptation of transmission and / or reception in one or more network energy saving techniques in the time, frequency, space, and power domains, using potential support / feedback and potential support information from terminals.

[0020] Next, we will explain discontinuous reception (DRX) or connected mode DRX (CDRX) in conventional terminals.

[0021] Figure 2 is a diagram illustrating CDRX in NR Release 15. In CDRX operation in NR Release 15, the terminal monitors the PDCCH during the DRX-on period.

[0022] Figure 3 is a diagram illustrating the WUS in NR Release 16. In NR Release 16, the PDCCH-based Wake Up Signal (WUS) can instruct one or more terminals whether they will monitor the PDCCH during the next DRX-on period.

[0023] DCI format 2_6, in which the CRC (Cyclic Redundancy Check) is scrambled by PS-RNTI (Power Saving - Radio Network Temporary Identifier), is used as a PDCCH-based WUS and is also called DCP (DCI with CRC scrambled by PS-RNTI).

[0024] WUS monitoring opportunities are set by an offset from the on period based on terminal functionality. If WUS indicates "inactive" (i.e., no data is being sent or received by the terminal), the terminal can skip monitoring during the on period and immediately enter sleep mode. Furthermore, a default terminal action can be set in case the PDCCH-based WUS is not detected due to, for example, a detection error.

[0025] DCI format 2_6 includes one bit of startup instruction information indicating "active" or "inactive".

[0026] (Previous problems) Next, let's discuss the conventional problems. Saving power consumption at base stations is becoming increasingly important in order to achieve carbon neutrality and the SDGs. However, a problem has been that methods for saving power consumption at base stations have not been standardized.

[0027] (Summary of this embodiment) Therefore, this embodiment describes an example of achieving a reduction in base station power consumption from a time domain perspective. Below, we will describe specific examples, from Example 1 to Example 4.

[0028] (Example 1) This embodiment describes the operation of the base station when it receives signals intermittently, and defines related concepts.

[0029] Figure 4 is a diagram illustrating the intermittent reception of a base station according to Embodiment 1 of the present invention. The period during which the base station 10 disables / enables the receiving unit is introduced as an intermittent reception (gNB CDRX) function by the base station (hereinafter referred to as base station intermittent reception).

[0030] The concept of intermittent reception at base station 10 is similar to that of intermittent reception at terminal 20. The receiving units and / or parameters to be disabled may be per port, panel, beam, or carrier (or cell).

[0031] Figure 5 is a diagram illustrating the parameters according to Embodiment 1 of the present invention. The base station CDRX may be defined by several parameters listed below. The units of the parameters may be symbols, slots, subframes, milliseconds, or seconds. The units may differ or be the same among the parameters. • drx-onDurationTimer: The duration at the start of the DRX cycle. • drx-SlotOffset: Delay before starting drx-onDurationTimer • drx-InactivityTimer: The period during which terminal 20 performs an uplink transmission after an uplink reception opportunity. • drx-LongCycleStartOffset: Defines when long DRX cycles and short DRX cycles start, using the long DRX cycle (i.e., drx-LongCycle) and drx-StartOffset. • drx-ShortCycle: Short DRX cycle • drx-ShortCycleTimer: The period during which base station 10 follows a short DRX cycle. • drx-RetransmissionTimerUL: Maximum period until permission for uplink retransmission is received. • drx-HARQ-RTT-TimerUL: Minimum period until uplink retransmission permission is expected

[0032] If intermittent base station reception is enabled, the base station 10 may receive the uplink channel transmitted from the terminal 20 when drx-onDurationTimer, drx-InactivityTimer, or drx-RetransmissionTimerUL is running.

[0033] If intermittent base station reception is enabled, terminal 20 may perform one of the following optional actions:

[0034] <Option 1> Terminal 20 may operate assuming intermittent reception from base stations. Specifically, terminal 20 identifies the status of intermittent reception from base stations using RRC, MAC-CE, or DCI. In the case of DCI, terminal 20 assumes that it receives a DCI from base station 10 indicating the status of intermittent reception from base station 10. Details of the instructions using DCI will be described later in Example 3.

[0035] Terminal 20 may transmit an uplink channel while drx-onDurationTimer, drx-InactivityTimer, or drx-RetransmissionTimerUL is running, if intermittent reception from the base station is enabled.

[0036] <Option 2> Terminal 20 may ignore intermittent reception from the base station. Specifically, terminal 20 will perform uplink transmissions as scheduled or configured by base station 10, regardless of the status of intermittent reception from the base station.

[0037] Furthermore, if intermittent base station reception is enabled, base station 10 may perform a schedule or settings that take intermittent base station reception into consideration, or it may perform a schedule or settings regardless of intermittent base station reception. If a schedule or settings that take intermittent base station reception into consideration are performed, the function of intermittent base station reception will be realized even if terminal 20 ignores intermittent base station reception. Conversely, if a schedule or settings that take intermittent base station reception are not performed, and terminal 20 ignores intermittent base station reception, it will transmit unnecessary signals, resulting in wasted power consumption of terminal 20.

[0038] On the other hand, if intermittent base station reception is disabled, base station 10 may receive the uplink channel transmitted from terminal 20 regardless of the intermittent base station reception parameters. In other words, base station 10 may keep the receiving unit turned on and continuously receive the uplink channel from terminal 20.

[0039] If intermittent base station reception is disabled, terminal 20 may perform one of the following optional actions:

[0040] <Option 1> Terminal 20 may operate assuming intermittent reception from base stations. Specifically, terminal 20 identifies the status of intermittent reception from base stations using RRC, MAC-CE, or DCI. In the case of DCI, terminal 20 assumes that it receives a DCI from base station 10 indicating the status of intermittent reception from base station 10. Details of the instructions using DCI will be described later in Example 3.

[0041] If intermittent base station reception is disabled, terminal 20 will perform uplink transmission as scheduled or configured by base station 10, regardless of the status of intermittent base station reception.

[0042] <Option 2> Terminal 20 may ignore intermittent reception from the base station. Specifically, terminal 20 will perform uplink transmissions as scheduled or configured by base station 10, regardless of the status of intermittent reception from the base station.

[0043] Furthermore, the base station 10 may receive terminal assistance information in order to determine the values ​​of the aforementioned parameters that define the wake-up / sleep period.

[0044] Terminal assistance information may also be the period of terminal traffic. Base station 10 may receive terminal assistance information at a higher layer. Base station 10 determines the parameter values ​​taking into account the terminal assistance information reported by terminal 20.

[0045] Terminal 20 may transmit terminal support information, such as the period of terminal traffic, to base station 10.

[0046] According to this embodiment, intermittent reception by the base station 10 can be achieved.

[0047] (Example 2) This embodiment provides an example of a method for triggering intermittent reception at base stations.

[0048] Enabling or disabling intermittent base station reception may be done using one of the following options:

[0049] <Option 1> The base station 10 may enable or disable intermittent base station reception when an RRC parameter indicating the enablement or disablement of intermittent base station reception is set by the terminal 20 or other network node (e.g., the core network or other base stations).

[0050] <Option 2> When base station 10 receives a MAC-CE command indicating the enablement or disablement of intermittent base station reception from terminal 20 or other network nodes (e.g., the core network or other base stations), it may enable or disable intermittent base station reception.

[0051] <Option 3> When base station 10 receives a UCI included in PUCCH or PUSCH from terminal 20, it may enable or disable intermittent base station reception based on the instructions for enabling / disabling intermittent base station reception included in the UCI.

[0052] A UCI containing instructions to enable / disable intermittent base station reception may be a newly defined UCI type that differs from conventional ones. Alternatively, such a UCI may be a conventional UCI type such as HARQ-ACK, CSI, or SR.

[0053] Terminal 20 may enable or disable intermittent base station reception by sending a PUCCH or PUSCH to base station 10 to perform instructions for intermittent base station reception (i.e., activation / deactivation).

[0054] Terminal 20 may receive a DCI from base station 10 indicating the status of intermittent base station reception in order to identify whether the instructions via UCI have been successfully decoded by base station 10 and whether there is a common understanding between base station 10 and terminal 20 regarding the status of intermittent base station reception. Details of DCI will be described later in Example 3.

[0055] <Option 4> Base station 10 may enable or disable intermittent base station reception when certain conditions are met. For example, base station 10 may enable intermittent base station reception if it does not receive an uplink channel from terminal 20 for a certain period of time. This period of time may be a symbol, slot, subframe, millisecond, or second.

[0056] Terminal 20 may receive a DCI (Data Control Information) from base station 10 indicating the status of intermittent base station reception in order to obtain a common understanding of the status of intermittent base station reception between base station 10 and terminal 20. Details of the DCI will be described later in Example 3.

[0057] <Option 5> The base station 10 may enable or disable intermittent base station reception by a combination of the above options.

[0058] Furthermore, base station 10 may perform one of the following optional actions as a procedure for enabling / disabling intermittent base station reception.

[0059] <Option 1> The base station 10 may immediately enable or disable intermittent base station reception when any of the options that trigger the enabling / disabling of intermittent base station reception as described above are executed.

[0060] <Option 2> Base station 10 may receive instructions regarding the timing of enabling / disabling intermittent base station reception at a certain time interval or at a specified time after receiving the instruction. The unit of the time interval or specified time may be a symbol, slot, subframe, millisecond, second, etc. That is, base station 10 may enable / disable intermittent base station reception at the specified time when any of the options that trigger the enabling / disabling of intermittent base station reception described above are executed.

[0061] <Option 3> Base station 10 may enable / disable intermittent base station reception based on newly introduced timers. The enable / disable timers may be the same or different. The timer units may be symbols, slots, subframes, milliseconds, seconds, etc. Base station 10 or terminal 20 or other network nodes may set the timers using RRC or specify them using MAC-CE or UCI / DCI.

[0062] In other words, the timer runs when any of the options that trigger the activation / deactivation of intermittent base station reception, as described above, is executed. When the timer expires, base station 10 may activate or deactivate intermittent base station reception.

[0063] Let's explain the advantages of the timer. Even if intermittent base station reception is instructed to be enabled, actual uplink transmission from terminal 20 may occur after a certain delay due to processing by terminal 20, etc. Even in such cases, by introducing a timer, intermittent base station reception can be enabled after a certain period of time, thereby reducing the power consumption of base station 10.

[0064] Furthermore, even if intermittent base station reception is instructed to be disabled, actual uplink transmissions from terminal 20 may continue for a while after the instruction due to processing by terminal 20. In such cases, by introducing a timer, intermittent base station reception can be disabled after a certain period of time, thereby improving the performance of terminal 20.

[0065] According to this embodiment, it is possible to trigger intermittent reception at base stations and to enable / disable the system when it is triggered.

[0066] (Example 3) This embodiment describes an example in which a terminal receives instructions regarding intermittent reception from a base station via DCI.

[0067] If terminal 20 identifies the status of intermittent base station reception and this is commonly understood by both terminal 20 and base station 10, a mechanism should be considered to indicate the status of intermittent base station reception from base station 10 to terminal 20. For timely notification, DCI (Data Control Indicator) is a promising option.

[0068] Furthermore, one advantage of having a shared understanding is that when intermittent reception from the base station is enabled, terminal 20 can stop uplink transmission, thus saving power consumption.

[0069] A new RNTI may be introduced to indicate the status of intermittent base station reception. The new RNTI may be, for example, gNB CDRX-RNTI (GC-RNTI).

[0070] Furthermore, the introduction of DCI fields may be one of the following options:

[0071] <Option 1> A new DCI field may be introduced to indicate the status of intermittent base station reception. The introduced DCI field may have a bit size of 1, with "1" indicating an active state and "0" indicating an inactive state, or vice versa.

[0072] <Option 2> It is not necessary to introduce a new DCI field; that is, the status of intermittent base station reception may be indicated by an existing field. For example, if the corresponding DCI format is scrambled with a new RNTI such as GC-RNTI, and the HPN and RV fields are all set to "0", terminal 20 may identify that the status of intermittent base station reception is enabled.

[0073] Furthermore, for example, if the corresponding DCI format is scrambled with a newer RNTI such as GC-RNTI, and the HPN and RV fields are all set to "0" and the MCS field is all set to "1", the terminal 20 may identify that the status of intermittent base station reception is disabled.

[0074] Furthermore, the corresponding DCI format may be one of the following options:

[0075] <Option 1> It may also be a DCI specific to terminal 20.

[0076] <Option 1-1> Base station 10 may use a new DCI format different from the conventional one to indicate the status of intermittent base station reception.

[0077] <Option 1-2> The base station 10 may indicate the status of intermittent reception using conventional DCI formats 0_1, 0_2, 1_1, 1_2, or other DCI formats.

[0078] <Option 2> Terminal 20 may also have a group-wide DCI.

[0079] <Option 2-1> Base station 10 may indicate the status of intermittent base station reception using a new DCI format different from the conventional one. The aforementioned new DCI fields may be introduced in the new DCI format along with other new DCI fields for power saving technologies of base station 10. Base station 10 may scramble the new DCI format with the aforementioned new RNTI (such as GC-RNTI).

[0080] <Option 2-2> The base station 10 may indicate the status of intermittent base station reception using the conventional DCI format 2_6 or other group-common DCI format.

[0081] Assuming DCI format 2_6 is being used, the traditional DCI fields in the DCI format may be reinterpreted to indicate the status of intermittent base station reception. For example, "Wake-up indication" may be used for reinterpretation. An enabled state may be indicated by "1" and an disabled state by "0," or vice versa.

[0082] For differentiation purposes, base station 10 may scramble DCI format 2_6 with the aforementioned new RNTI (such as GC-RNTI) instead of PS-RNTI.

[0083] According to this embodiment, terminal 20 can identify the status of intermittent reception from the base station, which can be commonly understood by both terminal 20 and base station 10.

[0084] (Example 4) This embodiment describes an example in which base stations or terminals report capability information to each other regarding intermittent reception between base stations.

[0085] The following capability information may be introduced.

[0086] Base station capability information indicating the capabilities of base station 10 may be introduced. That is, base station 10 transmits base station capability information to terminal 20 or other network nodes. Terminal 20 or other network nodes that receive base station capability information may make assumptions about the capabilities of base station 10 based on the received base station capability information.

[0087] Base station capability information may include information indicating whether or not intermittent base station reception is supported. Furthermore, base station capability information indicating whether or not DCI indications, which show the status of intermittent base station reception, are supported may also be introduced.

[0088] Furthermore, the following terminal capability information may be introduced. For example, terminal capability information indicating whether or not intermittent base station reception is supported may be introduced. Also, terminal capability information indicating whether or not the status of intermittent base station reception is supported may be introduced.

[0089] If terminal 20 has the capability to support identification of the status of intermittent base station reception, it may identify whether the intermittent base station reception function is enabled or disabled. For example, terminal 20 may perform the operation of option 1 shown in Example 1. Alternatively, if terminal 20 does not have the capability to support identification of the status of intermittent base station reception, it may perform the operation of option 2 shown in Example 1.

[0090] Furthermore, terminal capability information indicating whether or not it supports DCI instructions that show the status of intermittent base station reception may be introduced. Additionally, terminal capability information indicating whether or not it supports a new terminal-specific / group-common DCI format may be introduced.

[0091] The dependency between base station capability information and terminal capability information may be any of the following options.

[0092] <Option 1> In order to apply intermittent base station reception, it may be required that both base station capability information and terminal capability information indicating support for intermittent base station reception be reported.

[0093] <Option 2> To apply intermittent base station reception, it may suffice for either base station capability information or terminal capability information indicating support for intermittent base station reception to be reported.

[0094] According to this embodiment, base stations and terminals can report capability information regarding intermittent reception between base stations to each other.

[0095] The terminal capabilities described in each of the above embodiments may be limited to cases where terminal 20 is a function-reduced terminal, or they may be applicable even when terminal 20 is not a function-reduced terminal.

[0096] (Device configuration) Next, we will describe an example of the functional configuration of the base station 10 and terminal 20 that perform the processes and operations described above. The base station 10 and terminal 20 include functions to perform the embodiments described above. However, the base station 10 and terminal 20 may each be equipped with only one of the proposed functions from the embodiments.

[0097] <Base station 10> Figure 6 shows an example of the functional configuration of a base station. As shown in Figure 6, the base station 10 has a transmitting unit 110, a receiving unit 120, a setting unit 130, and a control unit 140. The functional configuration shown in Figure 6 is merely an example. The names of the functional categories and functional units can be anything as long as they can perform the operations according to the embodiment of the present invention. The transmitting unit 110 and the receiving unit 120 may be called the communication unit.

[0098] The transmitting unit 110 includes the function of generating a signal to be transmitted to the terminal 20 and transmitting the signal wirelessly. The receiving unit 120 includes the function of receiving various signals transmitted from the terminal 20 and obtaining information from the received signals, for example, information of a higher layer. The transmitting unit 110 also has the function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals, DL data, etc. to the terminal 20. The transmitting unit 110 also transmits setting information, etc., as described in the embodiment.

[0099] The setting unit 130 stores pre-configured setting information and various setting information to be transmitted to the terminal 20 in a storage device and reads it from the storage device as needed. The control unit 140 performs control of the entire base station 10, including control related to signal transmission and reception. The signal transmission function unit of the control unit 140 may be included in the transmission unit 110, and the signal reception function unit of the control unit 140 may be included in the reception unit 120. The transmission unit 110 and the reception unit 120 may also be called the transmitter and receiver, respectively.

[0100] <Terminal 20> Figure 7 shows an example of the functional configuration of a terminal. As shown in Figure 7, the terminal 20 has a transmitting unit 210, a receiving unit 220, a setting unit 230, and a control unit 240. The functional configuration shown in Figure 7 is merely an example. The names of the functional categories and functional units can be anything as long as they can perform the operations according to the embodiment of the present invention. The transmitting unit 210 and the receiving unit 220 may be called the communication unit.

[0101] The transmitting unit 210 creates a transmission signal from the transmission data and transmits the transmission signal wirelessly. The receiving unit 220 wirelessly receives various signals and obtains signals from higher layers from the received physical layer signals. The transmitting unit 210 also transmits a HARQ-ACK, and the receiving unit 220 receives the configuration information and the like as described in the embodiment.

[0102] The setting unit 230 stores various setting information received from the base station 10 by the receiving unit 220 in a storage device and reads it from the storage device as needed. The setting unit 230 also stores pre-set setting information. The control unit 240 controls the entire terminal 20, including control related to signal transmission and reception. The signal transmission function in the control unit 240 may be included in the transmission unit 210, and the signal reception function in the control unit 240 may be included in the reception unit 220. The transmission unit 210 and the reception unit 220 may also be called the transmitter and receiver, respectively.

[0103] The terminal or base station of this embodiment may be configured as one of the terminals or base stations described in the following sections. Furthermore, the following communication methods may be implemented.

[0104] <Configuration of this embodiment> (Section 1) A transmitting unit that transmits signals to the base station, The system includes a control unit which assumes that the base station will enable an intermittent reception function to disable the receiving unit when transmitting the aforementioned signal, Terminal. (Section 2) The control unit assumes that the base station disables the receiving unit for each port, panel, beam, or carrier. The terminal described in paragraph 1. (Section 3) The control unit determines the timing for transmitting the signal when the intermittent reception function is enabled, based on the parameters indicated by the base station. The terminal described in paragraph 1 or 2. (Section 4) A receiving unit that receives signals from the terminal, The system includes a control unit that enables an intermittent reception function for disabling the receiving unit for receiving the aforementioned signal, Base station. (Section 5) The system further includes a transmitting unit that transmits base station capability information indicating whether or not it supports intermittent reception to the terminal or other network node. The base station described in paragraph 4. (Section 6) The steps include transmitting a signal to the base station, The process includes the step of assuming that the base station will enable an intermittent reception function to disable the receiving unit when transmitting the aforementioned signal. The communication method used by the terminal.

[0105] Any of the above configurations provides a technology that enables saving power consumption at the base station. According to paragraph 2, a unit for disabling the receiving unit can be appropriately implemented. According to paragraph 3, the timing for transmitting a signal when the intermittent receiving function is enabled can be determined based on parameters indicated by the base station. According to paragraph 4, the intermittent receiving function of the base station can be implemented. According to paragraph 5, base station capability information regarding the intermittent receiving function of the base station can be transmitted to a terminal or other network node.

[0106] (Hardware configuration) The block diagrams (Figures 6 and 7) used in the description of the above embodiments show functional units. These functional blocks (components) are realized by any combination of at least one of hardware and software. Furthermore, the method of realizing each functional block is not particularly limited. That is, each functional block may be realized using one device that is physically or logically coupled, or it may be realized using two or more physically or logically separated devices that are directly or indirectly connected (for example, using wired or wireless connections). A functional block may be realized by combining the one or more devices with software.

[0107] Functions include, but are not limited to, judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, exploration, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, assumption, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating (mapping), and assigning. For example, a functional block (configuration part) that enables transmission is called a transmitting unit or transmitter. As mentioned above, the method of implementation is not particularly limited.

[0108] For example, the base station 10, terminal 20, etc. in one embodiment of the present disclosure may function as a computer that processes the wireless communication method of the present disclosure. Figure 8 is a diagram showing an example of the hardware configuration of the base station 10 and terminal 20 according to one embodiment of the present disclosure. The above-mentioned base station 10 and terminal 20 may be 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, etc.

[0109] In the following explanation, the term "device" can be replaced with "circuit," "device," "unit," etc. The hardware configuration of the base station 10 and terminal 20 may include one or more of the devices shown in the figure, or it may be configured without some of the devices.

[0110] Each function in the base station 10 and terminal 20 is realized by loading predetermined software (programs) onto hardware such as the processor 1001 and storage device 1002, which allows the processor 1001 to perform calculations, control communication by the communication device 1004, and control at least one of the reading and writing of data in the storage device 1002 and auxiliary storage device 1003.

[0111] The processor 1001 controls the entire computer, for example, by running an operating system. The processor 1001 may consist of a central processing unit (CPU) that includes interfaces with peripheral devices, control devices, arithmetic units, registers, etc. For example, the control unit 140, control unit 240, etc., described above may be implemented by the processor 1001.

[0112] Furthermore, the processor 1001 reads programs (program code), software modules, or data from at least one of the auxiliary storage device 1003 and the communication device 1004 into the storage device 1002, and executes various processes accordingly. The program used is one that causes a computer to execute at least a part of the operations described in the above embodiment. For example, the control unit 140 of the base station 10 shown in Figure 6 may be implemented by a control program stored in the storage device 1002 and operated by the processor 1001. Also, for example, the control unit 240 of the terminal 20 shown in Figure 7 may be implemented by a control program stored in the storage device 1002 and operated by the processor 1001. Although the above processes have been described as being executed by one processor 1001, they may be executed simultaneously or sequentially by two or more processors 1001. The processor 1001 may be implemented by one or more chips. The program may be transmitted from the network via a telecommunications line.

[0113] The storage device 1002 is a computer-readable recording medium and may consist of at least one of the following: ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), etc. The storage device 1002 may also be called a register, cache, main memory, etc. The storage device 1002 can store executable programs (program code), software modules, etc., for implementing a communication method according to one embodiment of this disclosure.

[0114] The auxiliary storage device 1003 is a computer-readable recording medium and may consist of at least one of the following: an optical disc such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (e.g., a compact disc, a digital multipurpose disc, a Blu-ray® disc), a smart card, flash memory (e.g., a card, a stick, a key drive), a floppy® disk, a magnetic strip, etc. The above-mentioned storage medium may also be a database, server, or other suitable medium that includes at least one of the storage device 1002 and the auxiliary storage device 1003.

[0115] The communication device 1004 is hardware (transceiver / receiver device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as a network device, network controller, network card, communication module, etc. The communication device 1004 may include high-frequency switches, duplexers, filters, frequency synthesizers, etc., to implement at least one of frequency division duplex (FDD) and time division duplex (TDD). For example, the transmit / receive antenna, amplifier section, transmit / receive section, transmission path interface, etc., may be implemented by the communication device 1004. The transmit / receive section may be implemented with physically or logically separated transmitting and receiving sections.

[0116] The input device 1005 is an input device that accepts input from an external source (e.g., a keyboard, mouse, microphone, switch, button, sensor, etc.). The output device 1006 is an output device that outputs to an external source (e.g., a display, speaker, LED lamp, etc.). The input device 1005 and the output device 1006 may be configured as an integrated unit (e.g., a touch panel).

[0117] Furthermore, 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 different buses may be configured for each device.

[0118] Furthermore, the base station 10 and terminal 20 may be configured to include hardware such as a microprocessor, a digital signal processor (DSP), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array), and some or all of each functional block may be realized by such hardware. For example, the processor 1001 may be implemented using at least one of these hardware components.

[0119] Figure 9 shows an example of the configuration of vehicle 2001. As shown in Figure 9, vehicle 2001 comprises a drive unit 2002, a steering unit 2003, an accelerator pedal 2004, a brake pedal 2005, a shift lever 2006, front wheels 2007, rear wheels 2008, an axle 2009, an electronic control unit 2010, various sensors 2021-2029, an information service unit 2012, and a communication module 2013. Each aspect / embodiment described in this disclosure may be applied to a communication device mounted on vehicle 2001, for example, to the communication module 2013.

[0120] The drive unit 2002 consists of, for example, an engine, a motor, or a hybrid of an engine and a motor. The steering unit 2003 includes at least a steering wheel (also called a handle) and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel, which is operated by the user.

[0121] The electronic control unit 2010 consists of a microprocessor 2031, memory (ROM, RAM) 2032, and communication ports (IO ports) 2033. Signals from various sensors 2021 to 2029 installed in the vehicle 2001 are input to the electronic control unit 2010. The electronic control unit 2010 may also be called an ECU (Electronic Control Unit).

[0122] Signals from various sensors 2021-2029 include current signals from current sensor 2021 which senses motor current, front and rear wheel rotation speed signals obtained by rotation speed sensor 2022, front and rear wheel air pressure signals obtained by air pressure sensor 2023, vehicle speed signals obtained by vehicle speed sensor 2024, acceleration signals obtained by acceleration sensor 2025, accelerator pedal depression signals obtained by accelerator pedal sensor 2029, brake pedal depression signals obtained by brake pedal sensor 2026, shift lever operation signals obtained by shift lever sensor 2027, and detection signals obtained by object detection sensor 2028 for detecting obstacles, vehicles, pedestrians, etc.

[0123] The Information Services Unit 2012 consists of various devices for providing various types of information, such as driving information, traffic information, and entertainment information, including a car navigation system, audio system, speakers, television, and radio, and one or more ECUs that control these devices. The Information Services Unit 2012 uses information acquired from external devices via a communication module 2013, etc., to provide various multimedia information and multimedia services to the occupants of the vehicle 2001.

[0124] The driver assistance system unit 2030 consists of various devices that provide functions to prevent accidents or reduce the driver's workload, such as millimeter-wave radar, LiDAR (Light Detection and Ranging), cameras, positioning locators (e.g., GNSS), map information (e.g., high-definition (HD) maps, autonomous vehicle (AV) maps, etc.), gyro systems (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chips, and AI processors, as well as one or more ECUs that control these devices. The driver assistance system unit 2030 also sends and receives various information via the communication module 2013 to realize driver assistance functions or autonomous driving functions.

[0125] The communication module 2013 can communicate with the microprocessor 2031 and components of the vehicle 2001 via its communication port. For example, the communication module 2013 sends and receives data via its communication port 2033 to the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, front wheels 2007, rear wheels 2008, axle 2009, the microprocessor 2031 and memory (ROM, RAM) 2032 in the electronic control unit 2010, and sensors 2021-29 provided in the vehicle 2001.

[0126] The communication module 2013 is a communication device that can be controlled by the microprocessor 2031 of the electronic control unit 2010 and can communicate with external devices. For example, it can send and receive various types of information to and from external devices via wireless communication. The communication module 2013 may be located either inside or outside the electronic control unit 2010. The external device may be, for example, a base station or a mobile station.

[0127] The communication module 2013 transmits current signals from current sensors input to the electronic control unit 2010 to an external device via wireless communication. The communication module 2013 also transmits, via wireless communication, other signals input to the electronic control unit 2010, including front and rear wheel rotation speed signals obtained by the rotation speed sensor 2022, front and rear wheel air pressure signals obtained by the air pressure sensor 2023, vehicle speed signals obtained by the vehicle speed sensor 2024, acceleration signals obtained by the acceleration sensor 2025, accelerator pedal depression signals obtained by the accelerator pedal sensor 2029, brake pedal depression signals obtained by the brake pedal sensor 2026, shift lever operation signals obtained by the shift lever sensor 2027, and detection signals obtained by the object detection sensor 2028 for detecting obstacles, vehicles, pedestrians, etc.

[0128] The communication module 2013 receives various information (traffic information, signal information, distance information, etc.) transmitted from an external device and displays it on the information service unit 2012 installed in the vehicle 2001. The communication module 2013 also stores the various information received from the external device in memory 2032, which is available to the microprocessor 2031. Based on the information stored in memory 2032, the microprocessor 2031 may control the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, front wheels 2007, rear wheels 2008, axles 2009, sensors 2021-2029, etc., installed in the vehicle 2001.

[0129] (Supplement to the embodiment) While embodiments of the present invention have been described above, the disclosed invention is not limited to such embodiments, and those skilled in the art will understand various modifications, alterations, alternatives, substitutions, etc. Specific numerical examples have been used to facilitate understanding of the invention, but unless otherwise specified, these numerical values ​​are merely examples, and any appropriate values ​​may be used. The division of items in the above description is not essential to the present invention, and matters described in two or more items may be combined as needed, and matters described in one item may be applied to matters described in another item (as long as they do not contradict each other). The boundaries of functional units or processing units in the functional block diagram do not necessarily correspond to the boundaries of physical parts. The operation of multiple functional units may be physically performed by one part, or the operation of one functional unit may be physically performed by multiple parts. Regarding the processing procedures described in the embodiments, the order of processing may be changed as long as it does not contradict each other. For the convenience of explaining the processing, the base station 10 and terminal 20 have been described using functional block diagrams, but 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 an embodiment of the present invention and the software operated by the processor of the terminal 20 according to an embodiment of the present invention may be stored in random access memory (RAM), flash memory, read-only memory (ROM), EPROM, EEPROM, registers, hard disk (HDD), removable disk, CD-ROM, database, server, or any other suitable storage medium.

[0130] Furthermore, the notification of information is not limited to the embodiments / models described herein and may be carried out by other methods. For example, the notification of information may be carried out by physical layer signaling (e.g., DCI (Downlink Control Information), UCI (Uplink Control Information)), upper layer signaling (e.g., RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling), broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or combinations thereof. Also, RRC signaling may be called RRC messages, and may be, for example, RRC Connection Setup messages, RRC Connection Reconfiguration messages, etc.

[0131] Each aspect / embodiment described in this 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), 6th generation mobile communication system (6G), xth generation mobile communication system (xG) (xG (where x is, for example, an integer or decimal)), 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)), and IEEE This may apply to at least one system utilizing 802.20, UWB (Ultra-WideBand), Bluetooth®, or other appropriate systems, and to next-generation systems extended, modified, created, or defined based thereon. It may also apply to a combination of multiple systems (for example, a combination of at least one of LTE and LTE-A with 5G).

[0132] The processing procedures, sequences, flowcharts, etc., of each aspect / embodiment described herein may be reordered, provided they are consistent with each other. For example, the methods described herein present various step elements in an exemplary order and are not limited to that specific order.

[0133] In this specification, specific operations performed by the base station 10 may, in some cases, be performed by its upper node. In a network consisting of one or more network nodes having a base station 10, it is clear that various operations performed for communication with the terminal 20 can be performed by the base station 10 and at least one of the other network nodes (for example, an MME or S-GW, but not limited to these). Although the above example illustrates the case where there is one other network node besides the base station 10, the other network node may be a combination of multiple other network nodes (for example, an MME and an S-GW).

[0134] The information or signals described in this disclosure may be output from a higher layer (or lower layer) to a lower layer (or higher layer). They may also be input and output via multiple network nodes.

[0135] Input and output information may be stored in a specific location (e.g., memory) or managed using a management table. Input and output information may be overwritten, updated, or appended to. Output information may be deleted. Input information may be transmitted to other devices.

[0136] The determination in this disclosure may be made by a value represented by one bit (0 or 1), by a boolean value (true or false), or by a numerical comparison (for example, a comparison with a predetermined value).

[0137] Software should be broadly interpreted to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, procedures, functions, and so on, whether they are called software, firmware, middleware, microcode, hardware description languages, or by any other name.

[0138] Furthermore, software, instructions, information, etc., may be transmitted and received via a transmission medium. For example, if software is transmitted from a website, server, or other remote source using at least one of wired technology (such as coaxial cable, fiber optic cable, twisted pair, or digital subscriber line (DSL)) and wireless technology (such as infrared or microwave), then at least one of these wired and wireless technologies is included in the definition of a transmission medium.

[0139] The information, signals, etc. described in this disclosure may be represented using any of the various different techniques. For example, the data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description may be represented by voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination thereof.

[0140] In addition, terms used in this disclosure and terms necessary for understanding this disclosure may be replaced with terms having the same or similar meanings. For example, at least one of the channel and symbol may be a signal (signaling). Also, a signal may be a message. Furthermore, a component carrier (CC) may be called a carrier frequency, cell, frequency carrier, etc.

[0141] The terms “system” and “network” as used in this disclosure are interchangeable.

[0142] Furthermore, the information, parameters, etc., described in this disclosure may be expressed using absolute values, relative values ​​from a given value, or other corresponding information. For example, wireless resources may be indicated by an index.

[0143] The names used for the parameters described above are not restrictive in any way. Furthermore, the formulas and other expressions using these parameters may differ from those expressly disclosed in this disclosure. Various channels (e.g., PUCCH, PDCCH, etc.) and information elements can be identified by any suitable name, and therefore, the various names assigned to these various channels and information elements are not restrictive in any way.

[0144] In this disclosure, terms such as "Base Station (BS)", "wireless base station", "base station", "fixed station", "NodeB", "eNodeB (eNB)", "gNodeB (gNB)", "access point", "transmission point", "reception point", "transmission / reception point", "cell", "sector", "cell group", "carrier", and "component carrier" may be used interchangeably. Base stations may also be referred to by terms such as macrocell, small cell, femtocell, and picocell.

[0145] A base station can house one or more (e.g., three) cells. If a base station houses multiple cells, the entire coverage area of ​​the base station can be divided into several smaller areas, each of which may also be provided with communication services by a base station subsystem (e.g., a Remote Radio Head (RRH)). The terms “cell” or “sector” refer to part or all of the coverage area of ​​at least one of the base station and / or base station subsystems that provide communication services in that coverage.

[0146] In this disclosure, terms such as "Mobile Station (MS)," "user terminal," "User Equipment (UE)," and "terminal" may be used interchangeably.

[0147] A mobile station may also be referred to by those skilled in the art as a 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, wireless terminal, remote terminal, handset, user agent, mobile client, client, or several other appropriate terms.

[0148] At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a communication device, etc. At least one of the base station and the mobile station may be a device mounted on a mobile body, the mobile body itself, etc. The mobile body may be a vehicle (e.g., a car, an airplane, etc.), an unmanned mobile body (e.g., a drone, an autonomous vehicle, etc.), or a robot (manned or unmanned). At least one of the base station and the mobile station may be a device that does not necessarily move during communication operation. For example, at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.

[0149] Furthermore, the term "base station" in this disclosure may be interpreted as "user terminal." For example, the various aspects / embodiments of this disclosure may be applied to a configuration in which communication between a base station and a user terminal is replaced with communication between multiple terminals 20 (which may be called, for example, D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.). In this case, the terminals 20 may have the functions that the base station 10 has. Also, terms such as "uplink" and "downlink" may be interpreted as terms corresponding to terminal-to-terminal communication (for example, "side"). For example, uplink channel, downlink channel, etc., may be interpreted as side channel.

[0150] Similarly, the term "user terminal" in this disclosure may be replaced with "base station." In this case, the base station may be configured to have the same functions as the user terminal described above.

[0151] As used in this disclosure, the terms “determining” and “determining” may encompass a wide variety of actions. “Determining” may include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiry (e.g., searching in a table, database, or other data structure), and ascertaining. “Determining” may also include, for example, receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, and accessing (e.g., accessing data in memory). Furthermore, "judgment" and "decision" can include considering something as having been "judged" or "decided" after resolving, selecting, choosing, establishing, comparing, etc. In other words, "judgment" and "decision" can include considering something as having been "judged" or "decided" after some action. Also, "judgment (decision)" can be reinterpreted as "assuming," "expecting," or "considering."

[0152] The terms “connected,” “coupled,” or any variation thereof, mean any direct or indirect connection or coupling between two or more elements, and may include the presence of one or more intermediate elements between two elements that are “connected” or “coupled” with each other. The coupling or connection between elements may be physical, logical, or a combination thereof. For example, “connection” may be reinterpreted as “access.” As used in this disclosure, two elements may be considered to be “connected” or “coupled” with each other using at least one of one or more wires, cables, and printed electrical connections, and, in some non-limiting and non-exclusive examples, electromagnetic energy having wavelengths in the radio frequency domain, microwave domain, and optical (both visible and invisible) domain.

[0153] The reference signal can also be abbreviated as RS (Reference Signal), and may be called a pilot depending on the applicable standard.

[0154] In this disclosure, the phrase "based on" does not mean "based solely on" unless otherwise specified. In other words, the phrase "based on" means both "based solely on" and "based at least on."

[0155] Any reference to elements using the designations “first,” “second,” etc., as 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 way to distinguish between two or more elements. Accordingly, references to the first and second elements do not imply that only two elements may be employed, or that the first element must precede the second element in any way.

[0156] In the configuration of each of the above devices, "means" may be replaced with "part," "circuit," "device," etc.

[0157] Where the terms “include,” “including,” and variations thereof are used in this disclosure, these terms are intended to be inclusive, as is the term “comprising.” Furthermore, the term “or” as used in this disclosure is not intended to mean exclusive OR.

[0158] A wireless frame may consist of one or more frames in the time domain. Each of these frames in the time domain may be called a subframe. A subframe may further consist of one or more slots in the time domain. A subframe may have a fixed time length (e.g., 1 ms) that is independent of numerology.

[0159] Numerical logic may be communication parameters applied to at least one of the transmission and reception of a signal or channel. Numerical logic may include, for example, at least one of the following: subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame configuration, specific filtering processes performed by the transceiver in the frequency domain, and specific windowing processes performed by the transceiver in the time domain.

[0160] A slot may consist of one or more symbols in the time domain (such as OFDM (Orthogonal Frequency Division Multiplexing) symbols, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbols, etc.). A slot may also be a time unit based on neurology.

[0161] A slot may include multiple minislots. Each minislot may consist of one or more symbols in the time domain. Minislots may also be called subslots. Minislots may consist of fewer symbols than a slot. A PDSCH (or PUSCH) transmitted in a time unit larger than a minislot may be called PDSCH (or PUSCH) mapping type A. A PDSCH (or PUSCH) transmitted using a minislot may be called PDSCH (or PUSCH) mapping type B.

[0162] Wireless frames, subframes, slots, minislots, and symbols all represent units of time when transmitting a signal. Different names may be used for each of these terms.

[0163] For example, one subframe may be called a Transmission Time Interval (TTI), multiple consecutive subframes may be called a TTI, or one slot or one mini-slot may be called a TTI. In other words, at least one of a subframe and a TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (e.g., 1-13 symbols), or a period longer than 1 ms. Note that the unit representing the TTI may be called a slot, mini-slot, etc., instead of a subframe.

[0164] Here, TTI refers to, for example, the smallest unit of time for scheduling in wireless communication. For example, in an LTE system, the base station schedules each terminal 20 to allocate wireless resources (such as the frequency bandwidth and transmission power available to each terminal 20) in TTI units. However, the definition of TTI is not limited to this.

[0165] TTI may be a transmission time unit for channel-encoded data packets (transport blocks), code blocks, code words, etc., or it may be a processing unit for scheduling, link adaptation, etc. Given a TTI, the actual time interval (e.g., number of symbols) to which the transport block, code block, code word, etc. are mapped may be shorter than the given TTI.

[0166] Furthermore, if one slot or one mini-slot is referred to as TTI, then one or more TTIs (i.e., one or more slots or one or more mini-slots) may constitute the minimum time unit of scheduling. In addition, the number of slots (number of mini-slots) that constitute the minimum time unit of scheduling may be controlled.

[0167] A TTI with a time length of 1ms may also be called a normal TTI, long TTI, normal subframe, long subframe, slot, etc. A TTI shorter than a normal TTI may also be called a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, mini slot, sub slot, slot, etc.

[0168] Furthermore, long TTIs (e.g., normal TTIs, subframes, etc.) may be interpreted as TTIs with a time length exceeding 1 ms, and short TTIs (e.g., shortened TTIs, etc.) may be interpreted as TTIs with a TTI length less than that of a long TTI but 1 ms or more.

[0169] A resource block (RB) is a resource allocation unit in the time domain and frequency domain, and in the frequency domain, it may contain one or more consecutive subcarriers. The number of subcarriers in an RB may be the same regardless of the neurology, for example, 12. The number of subcarriers in an RB may be determined based on the neurology.

[0170] Furthermore, the time domain of RB may contain one or more symbols and may be the length of one slot, one minislot, one subframe, or one TTI. One TTI, one subframe, etc., may each consist of one or more resource blocks.

[0171] One or more RBs may also be called a Physical RB (PRB), Sub-Carrier Group (SCG), Resource Element Group (REG), PRB pair, RB pair, etc.

[0172] Furthermore, a resource block may consist of one or more resource elements (REs). For example, one RE may be a radio resource area comprising one subcarrier and one symbol.

[0173] A Bandwidth Part (BWP), also known as a partial bandwidth, may represent a subset of consecutive common resource blocks (RBs) for a particular neurology system in a given carrier. These common RBs may be identified by an index of the RBs relative to a common reference point of the carrier. A Bandwidth Part (PRB) may be defined and numbered within a given BWP.

[0174] A BWP may include a BWP for UL (Ultraviolet Link) and a BWP for DL ​​(Download Link). One or more BWPs may be set for a terminal 20 within a single carrier.

[0175] At least one of the configured BWPs may be active, and terminal 20 does not need to be expected to send or receive a predetermined signal / channel outside of the active BWP. In this disclosure, terms such as "cell" and "carrier" may be read as "BWP".

[0176] The structures described above, such as wireless frames, subframes, slots, minislots, and symbols, are merely illustrative. For example, the number of subframes included in a wireless frame, the number of slots per subframe or wireless frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of subcarriers included in an RB, and the number of symbols, symbol length, and cyclic prefix (CP) length within a TTI can be varied in various ways.

[0177] In this disclosure, if articles are added through translation, such as a, an, and the in English, this disclosure may include the fact that the noun following these articles is plural.

[0178] In this disclosure, the term "A and B are different" may mean "A and B are different from each other." The term may also mean "A and B are each different from C." Terms such as "separate" and "combine" may be interpreted similarly to "different."

[0179] Each aspect / embodiment described herein may be used individually, in combination, or switched between as needed during implementation. Furthermore, notification of specific information (e.g., notification that "X is") is not limited to explicit notification, but may also be implicit (e.g., by not providing such notification).

[0180] Although the present disclosure has been described in detail above, it will be clear to those skilled in the art that the present disclosure is not limited to the embodiments described herein. The present disclosure can be implemented in modified and altered forms without departing from the intent and scope of the present disclosure as defined by the claims. Therefore, the descriptions in the present disclosure are illustrative and not intended to be restrictive in any way. [Explanation of Symbols]

[0181] 10 base station 110 Transmitter 120 Receiver 130 Setting section 140 Control Unit 20 devices 210 Transmitter 220 Receiver 230 Setting section 240 Control Unit 1001 Processor 1002 Storage device 1003 Auxiliary storage device 1004 Communication device 1005 Input device 1006 Output device 2001 Vehicle 2002 Drive Unit 2003 Steering Department 2004 Accelerator pedal 2005 Brake pedal 2006 Shift Lever 2007 Front Wheel 2008 Rear wheel 2009 Axle 2010 Electronic Control Unit 2012 Information Services Department 2013 Communication Module 2021 Current Sensor 2022 Rotation speed sensor 2023 Pneumatic Sensor 2024 Vehicle Speed ​​Sensor 2025 Accelerometer 2026 Brake Pedal Sensor 2027 Shift lever sensor 2028 Object Detection Sensor 2029 Accelerator pedal sensor 2030 Driver Support Systems Department 2031 Microprocessor 2032 memory (ROM, RAM) 2033 Communication port (I / O port)

Claims

1. A receiving unit that receives setting information for the intermittent reception function from the base station, A control unit that enables the intermittent reception function by the base station in response to receiving the aforementioned setting information, When the intermittent reception function of the base station is enabled, the transmitting unit transmits a signal when drx-onDurationTimer is running, Equipped with, The receiving unit receives information instructing the base station to enable or disable the terminal-side function of the intermittent reception function. Terminal.

2. The information that instructs the terminal-side function of the intermittent reception function by the base station to be enabled or disabled is a DCI field, the bit size of the DCI field is 1 bit, the enabled state is indicated by a value of 1, and the disabled state is indicated by a value of 0. The terminal according to claim 1.

3. The DCI field is included in a DCI format that instructs the base station to enable or disable the terminal-side function of the intermittent reception function, The terminal according to claim 2.

4. The DCI format is scrambled by the RNTI related to the intermittent reception function of the base station. The terminal according to claim 3.

5. The steps include receiving setting information for the intermittent reception function from the base station, The steps include: enabling the intermittent reception function by the base station in response to receiving the aforementioned configuration information; If the intermittent reception function of the base station is enabled, the step of transmitting a signal when drx-onDurationTimer is running, Equipped with, The receiving step involves receiving information that instructs the base station to enable or disable the terminal-side function of the intermittent reception function. The communication method used by the terminal.

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