Terminals and base stations

Abstract

This terminal comprises: a control unit that assumes priorities between discontinuous reception and signal transmission or signal reception for positioning; and a communication unit that executes the signal transmission or signal reception for positioning in a discontinuous reception state in accordance with the priorities.

Description

Technical Field

[0001] The present invention relates to a terminal and a base station 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 satisfy requirements such as a large-capacity system, high 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, in order to reduce the power consumption of terminals, a discontinuous reception (DRX) operation is defined in which the terminal periodically attempts to receive paging messages from the network (for example, Non-Patent Document 2).

Prior Art Documents

Non-Patent Documents

[0004]

Non-Patent Document 1

Non-Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] In Release 18 NR, positioning enhancements for RedCap UEs, which are terminals with reduced capabilities, are being studied, and power saving in positioning is scheduled to be discussed.

[0006] However, conventional technologies (e.g., Release 17NR positioning) do not specify positioning functions that take into account intermittent reception (DRX) operation. Terminals configured for intermittent reception (DRX) operation may not be able to properly transmit or receive signals for positioning.

[0007] The present invention has been made in view of the above points, and aims to provide a technology that enables a terminal performing intermittent reception operations to appropriately transmit or receive signals for positioning. [Means for solving the problem]

[0008] According to the disclosed technology, a control unit that assumes a priority between intermittent reception and the transmission or reception of signals for positioning, The system includes a communication unit that performs signal transmission or signal reception for position determination in an intermittent reception state according to the aforementioned priority order. It is a terminal, When the priority of intermittent reception is higher than the priority of transmitting or receiving signals for positioning, The communication unit receives a setting change related to positioning from the network, or requests such a setting change from the network, so that the transmission or reception of the positioning signal is performed during the wake-up period in the intermittent reception. A device will be provided. [Effects of the Invention]

[0009] The disclosed technology provides a mechanism that enables a terminal performing intermittent reception operations to appropriately transmit or receive signals for positioning. [Brief explanation of the drawing]

[0010] [Figure 1] This figure illustrates a wireless communication system in an embodiment of the present invention. [Figure 2] This figure illustrates a wireless communication system in an embodiment of the present invention. [Figure 3] This is a diagram to explain the operation of the terminal. [Figure 4] This is a diagram illustrating an example of operation in the 0th embodiment. [Figure 5] This is a diagram illustrating an example of operation in the 0th embodiment. [Figure 6] It is a diagram for explaining an operation example in the first embodiment. [Figure 7] It is a diagram for explaining an operation example in the first embodiment. [Figure 8] It is a diagram for explaining an operation example in the first embodiment. [Figure 9] It is a diagram for explaining an operation example in the third embodiment. [Figure 10] It is a diagram for explaining an operation example in the third embodiment. [Figure 11] It is a diagram for explaining an operation example in the third embodiment. [Figure 12] It is a diagram for explaining an operation example in the third embodiment. [Figure 13] It is a diagram for explaining an operation example in the third embodiment. [Figure 14] It is a diagram showing a configuration example of the base station 10 (LMF30). [Figure 15] It is a diagram showing a configuration example of the terminal 20. [Figure 16] It is a diagram showing an example of the hardware configuration of the base station 10 or the terminal 20 or the LMF30 in an embodiment of the present invention. [Figure 17] It is a diagram showing a configuration example of a vehicle.

Embodiments for Carrying Out the Invention

[0011] Hereinafter, embodiments of the present invention will be described 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 the following embodiments.

[0012] In the operation of the wireless communication system according to the embodiment of the present invention, existing technologies are appropriately used. However, the existing technologies are, for example, existing LTE or existing NR, but are not limited to existing LTE and NR.

[0013] 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 or NR technologies, 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-".

[0014] 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).

[0015] Furthermore, in the embodiments of the present invention, "configuring" wireless parameters may mean that predetermined values ​​are pre-configured, or that wireless parameters notified from the base station 10 or terminal 20 are configured.

[0016] Figure 1 shows an example configuration (1) of a wireless communication system in an embodiment of the present invention. The wireless communication system in the embodiment of the present invention includes a base station 10 and a terminal 20, as shown in Figure 1. In addition, an LMF (Location Management Function) 30 is shown as an example of a network device in the core network. The LMF 30 may also be called a location management device. The LMF 30 includes a function to calculate the location of the terminal based on measurement results from the terminal 20 or the base station 10. The LMF 30 also includes a function to transmit support information (assistance data) to the base station 10, etc. In Figure 1, one base station 10 and one terminal 20 are shown, but this is an example, and there may be multiple of each.

[0017] Base station 10 is a communication device that provides one or more cells and communicates wirelessly with terminal 20. The physical resources of the radio 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 resource blocks. Base station 10 transmits synchronization signals and system information to terminal 20. Synchronization signals are, for example, NR-PSS and NR-SSS. System information is transmitted, for example, in NR-PBCH and is also called broadcast information. Synchronization signals and system information may be called SSB (SS / PBCH block). As shown in Figure 1, base station 10 transmits control signals or data to terminal 20 via DL (Downlink) and receives control signals or data from terminal 20 via UL (Uplink). Both base station 10 and terminal 20 are capable of transmitting and receiving signals using beamforming. Furthermore, both base station 10 and terminal 20 are capable of applying MIMO (Multiple Input Multiple Output) communication to DL or UL. Furthermore, both the base station 10 and the terminal 20 may communicate via secondary cells (SCell) and primary cells (PCell) using Carrier Aggregation (CA). In addition, the terminal 20 may communicate via the primary cell of base station 10 and the primary secondary cell group cell (PSCell) of another base station 10 using Dual Connectivity (DC).

[0018] Terminal 20 is a communication device equipped with wireless communication capabilities, such as a smartphone, mobile phone, tablet, wearable device, or M2M (Machine-to-Machine) communication module. As shown in Figure 1, Terminal 20 receives control signals or data from the base station 10 via DL and transmits control signals or data to the base station 10 via UL, thereby utilizing various communication services provided by the wireless communication system. Terminal 20 also receives various reference signals transmitted from the base station 10 and performs propagation path quality measurements based on the reception results of these reference signals.

[0019] Terminal 20 is capable of performing carrier aggregation, which involves bundling multiple cells (multiple CCs (Component Carriers)) together to communicate with base station 10. Carrier aggregation uses one PCell (Primary cell) and one or more SCells (Secondary cells). In addition, a PUCCH-SCell with a PUCCH may be used.

[0020] Figure 2 is a diagram illustrating an example (2) of a wireless communication system in an embodiment of the present invention. Figure 2 shows an example configuration of a wireless communication system when DC (Dual connectivity) is performed. As shown in Figure 2, a base station 10A that acts as an MN (Master Node) and a base station 10B that acts as an SN (Secondary Node) are provided. Base stations 10A and 10B are each connected to the core network. Terminal 20 can communicate with both base station 10A and base station 10B.

[0021] A cell group provided by base station 10A, which is the MN (Mobile Network Unit), is called an MCG (Master Cell Group), and a cell group provided by base station 10B, which is the SN (Stationary Network Unit), is called an SCG (Secondary Cell Group). In a data center, an MCG consists of one PCell and one or more SCells, and an SCG consists of one PSCell (Primary SCG Cell) and one or more SCells.

[0022] The processing operations in this embodiment may be performed using the system configuration shown in Figure 1, the system configuration shown in Figure 2, or any other system configuration.

[0023] (Regarding the issues) As mentioned above, conventional NR does not specify positioning operation that takes into account intermittent reception (DRX) operation. Terminal 20, which is set to intermittent reception (DRX), does not transmit or receive signals for positioning outside of the wake-up period, so the accuracy of positioning may deteriorate. In particular, if channel monitoring is not frequently required, the terminal may set a longer DRX cycle to improve power saving, which may further degrade the accuracy of positioning.

[0024] To address the above issues, it is conceivable to transmit (or receive) signals for positioning even during periods other than the on-duration of the intermittent reception (DRX) operation, as shown in Figure 3, for example. Note that "positioning" may also be expressed as "positioning."

[0025] The above operation enables low-latency positioning even in DRX state, suppressing accuracy degradation. However, it increases the power consumption of terminal 20 due to the increased opportunities for wake-up. In particular, if terminal 20 is assumed to be a Red Cap UE, it is necessary to reduce power consumption as much as possible, so increased power consumption is undesirable.

[0026] The following describes a technology that enables terminals in DRX mode (terminals with DRX configured) to reliably transmit or receive positioning signals at on-duration timing, in order to suppress increases in power consumption. This technology also has the advantage of having little impact on the specifications. Note that "signal reception" can be replaced with "signal measurement".

[0027] In the following explanation, "setting information from base station 10 to terminal 20" may be replaced with "setting information from LMF 30 to terminal 20". "Setting information from LMF 30 to terminal 20" may be replaced with "setting information from base station 10 to terminal 20". "Setting information from the network to terminal 20" may be replaced with "setting information from base station 10 to terminal 20" or "setting information from LMF 30 to terminal 20".

[0028] The phrase "Sending (or reporting) information from terminal 20 to base station 10" may be rephrased as "Sending (or reporting) information from terminal 20 to LMF 30". The phrase "Sending (or reporting) information from terminal 20 to LMF 30" may be rephrased as "Sending (or reporting) information from terminal 20 to base station 10". The phrase "Sending (or reporting) information from terminal 20 to the network (NW)" may be rephrased as "Sending (or reporting) information from terminal 20 to base station 10" or "Sending (or reporting) information from terminal 20 to LMF 30".

[0029] (Summary of the embodiment) The following describes the 0th to 3rd embodiments. Their outlines are as follows. Note that the first embodiment is referred to as the "0th embodiment" because it is a high-level proposal. In addition, while the terminal 20 in each embodiment is assumed to be a UE for Redcap, the technology in each embodiment may also be applied to a terminal 20 that is not a UE for Redcap.

[0030] 0th Embodiment: Terminal 20 reports configuration information regarding DRX to LMF 30.

[0031] First embodiment: Terminal 20 transmits and receives signals for position determination in accordance with the DRX cycle.

[0032] Second embodiment: Terminal 20 performs operations based on the priority between location positioning and DRX.

[0033] Third embodiment: If terminal 20 is unable to send or receive signals for positioning at the timing instructed by the NW, it is assumed that base station 10 will return a positioning activation failure to LMF 30.

[0034] Any multiple embodiments from Embodiment 0 to Embodiment 3 can be implemented in any combination. Each embodiment will be described in detail below.

[0035] (0th embodiment) As described above, in the first embodiment, terminal 20 reports the DRX configuration information set on terminal 20 to LMF 30. Alternatively, base station 10 may report the DRX configuration information to LMF 30. In this case, terminal 20 assumes that base station 10 reports the DRX configuration information to LMF 30.

[0036] The above "configuration information regarding DRX" may also be called DRX-related information. Configuration information regarding DRX is, for example, the DRX-Config defined in an existing specification (e.g., TS38.331). DRX-Config includes drx-onDurationTimer, drx-InactivityTimer, drx-LongCycleStartOffset, etc. Note that the DRX cycle is calculated from the subframe time and drx-LongCycleStartOffset.

[0037] Upon receiving configuration information regarding the DRX, the LMF30 may notify the serving TRP (and / or non-serving TRP) of the DRX configuration information as assistance data. Terminal 20 may assume that the DRX configuration information will be notified from the LMF30 to the serving TRP (and / or non-serving TRP). Based on this assumption, for example, terminal 20 may assume that the base station 10 (serving TRP) will configure or instruct the base station 10 to transmit / receive signals for positioning (transmit or receive signals) during the period when the DRX is ON.

[0038] Furthermore, the base station 10 may assume that the terminal 20 transmits or receives a signal for positioning in accordance with the timing of the DRX.

[0039] An example of operation of the first embodiment is shown in Figure 4. In the example shown in Figure 4, at S101, terminal 20 transmits DRX-related information to LMF 30. At S102, LMF 30 transmits assistance data to base station 10. This assistance data includes all or part of the DRX-related information received by LMF 30 at S101. Another example of operation is shown in Figure 5. In the example in Figure 5, at S201, base station 10 transmits DRX-related information to LMF 30. At S202, LMF 30 transmits assistance data to base station 10.

[0040] <Example of reporting at a specific time> In the first embodiment, the terminal 20 reports DRX configuration information to the LMF 30 at any of the following timings (1) to (5). Note that the following timings (1) to (5) may also be the timings at which the base station 10 reports DRX configuration information to the LMF 30. Alternatively, the following timings (1) to (5) may also be the timings at which the terminal 20 reports DRX configuration information to the base station 10.

[0041] (1) The moment when terminal 20 transitions from the RRC_IDLE or RRC_INACTIVE state to RRC_CONNECTED.

[0042] Terminal 20 / base station 10 may report configuration information regarding DRX only when Random Access is completed, or it may report configuration information regarding DRX each time it transitions to CONNECTED after RRC is established.

[0043] (2) The timing when the positioning function is set for terminal 20 by base station 10 (or LMF 30).

[0044] (3) The timing when the DRX function is set for terminal 20 from base station 10.

[0045] (4) The timing at which the NW requests a report from terminal 20. The NW here may be base station 10, LMF 30, or other network devices.

[0046] (5) Terminal 20 may apply any one of (1) to (4) above, or any multiple of (1) to (4) above. For example, if (2) and (3) are applied, terminal 20 will report at either the time the positioning function is set or the time the DRX function is set.

[0047] <Example of reporting at a certain frequency> In the first embodiment, the terminal 20 may report DRX configuration information to the LMF 30 at any of the frequencies (1) to (5) below. The frequencies (1) to (5) below may also be the frequencies at which the base station 10 reports DRX configuration information to the LMF 30. Furthermore, the frequencies (1) to (5) below may also be the frequencies at which the terminal 20 reports DRX configuration information to the base station 10.

[0048] (1) Report periodically.

[0049] The reporting cycle may be defined in the specifications, or it may be set from the network (e.g., base station 10, LMF 30) to terminal 20.

[0050] (2) A timer is set on terminal 20 / base station 10, and a report is made when the timer expires.

[0051] The timer value may be specified in the specifications, or it may be set from the network (e.g., base station 10, LMF30) to terminal 20.

[0052] (3) Report any updates to the DRX configuration information (DRX information).

[0053] (4) When an information update is requested from the network (e.g., base station 10, LMF30) to terminal 20, a report is made.

[0054] (5) Terminal 20 may apply any one of the above (1) to (4), or any multiple of the above (1) to (4). For example, if (2) and (3) are applied, terminal 20 will report when the timer expires, and will also report when there is an update to the DRX configuration information (DRX information), regardless of whether the timer has expired or not.

[0055] According to the first embodiment described above, network devices such as the LMF30 will be able to understand the DRX status.

[0056] (First Embodiment) Next, the first embodiment will be described. The first embodiment assumes that the configuration information regarding the DRX, as described in the 0th embodiment, has been reported to the LMF30. However, this assumption is just an example, and the first embodiment may be implemented independently of the 0th embodiment.

[0057] As described above, in the first embodiment, it is assumed that the terminal 20 transmits / receives signals for positioning in accordance with the DRX timing. "Assuming that it transmits / receives signals for positioning in accordance with the DRX timing" includes the control unit of the terminal 20 instructing the transmitting unit or receiving unit to "transmit / receive signals for positioning in accordance with the DRX timing".

[0058] Furthermore, it may be assumed that terminal 20 performs DRX in accordance with the timing of signal transmission / reception for positioning. "Assuming that DRX is performed in accordance with the timing of signal transmission / reception for positioning" includes the control unit of terminal 20 instructing the transmitting unit or receiving unit to "perform DRX in accordance with the timing of signal transmission / reception for positioning."

[0059] Furthermore, terminal 20 may request the network (e.g., base station 10, LMF 30) to set up or instruct it to transmit / receive signals for positioning in accordance with the DRX timing.

[0060] In the first embodiment, "in accordance with DRX timing" specifically means, for example, transmitting / receiving a positioning signal during the DRX's operation based on the values ​​of the following parameters. Alternatively, the following parameters are adjusted so that transmitting / receiving a positioning signal occurs during the DRX's operation. Any two or three of the parameters (1) to (3) may be considered in combination.

[0061] (1) DRX cycle (2) On duration timer (3) Inactivity timer Examples 1 to 3 below illustrate specific examples using (1) to (3) above. In the following explanation, the signal transmitted by terminal 20 for positioning is, for example, SRS (UL-SRS), and the signal received (measured) by terminal 20 for positioning is, for example, DL-PRS. However, these are just examples.

[0062] <(Example 1) DRX cycle> In Example 1, it is assumed that terminal 20 is instructed by base station 10 to transmit SRS / receive DL-PRS in accordance with the DRX cycle reported to LMF 30. Note that "SRS transmission / DL-PRS reception" means "SRS transmission or DL-PRS reception," and the explanation here applies to either SRS transmission or DL-PRS reception. Note that "DL-PRS reception" may be replaced with "DL-PRS measurement."

[0063] For SRS transmission / DL-PRS reception, the resources are set from base station 10 to terminal 20. Furthermore, in setting these resources, parameters indicating the transmission / reception method for SRS transmission / DL-PRS reception are specified as periodic, semi-persistent, and aperiodic. Basic operational examples for periodic, semi-persistent, and aperiodic are as follows.

[0064] Terminal 20 designated as periodic will transmit SRS and receive DL-PRS at the set interval. Terminal 20 designated as semi-persistent will transmit SRS and receive DL-PRS at the set interval based on instructions from base station 10 (e.g., MAC CE, DCI). Terminal 20 designated as aperiodic will transmit SRS and receive DL-PRS triggered by instructions from base station 10 (e.g., MAC CE, DCI).

[0065] As mentioned above, terminal 20 is assumed to receive instructions from base station 10 to transmit SRS and receive DL-PRS in accordance with the DRX cycle reported to LMF 30.

[0066] Specifically, for example, when the base station 10 sets the SRS / DL-PRS resource setting to periodic or semi-persistent for terminal 20, the same periodicity as the DRX cycle is set as the periodicity for SRS / DL-PRS. The upper part of Figure 6 shows an example of SRS transmission operation when such a setting is made for terminal 20. The DL-PRS reception operation is similar.

[0067] As shown in the upper part of Figure 6, by setting the same periodicity for SRS / DL-PRS as the DRX cycle, terminal 20 can perform SRS transmission / DL-PRS reception during the on-duration (the period during which terminal 20 is active (wake up)) that occurs in the DRX cycle.

[0068] When the base station 10 sets the SRS / DL-PRS resource setting to aperiodic (or semi-persistent) for terminal 20, terminal 20 assumes that the activation timing is restricted. In other words, base station 10 sends an activation instruction for SRS transmission / DL-PRS reception to terminal 20 so that terminal 20 can perform SRS transmission / DL-PRS reception in a DRX cycle. Base station 10 also sends an activation instruction to terminal 20 so that terminal 20 can receive the activation instruction on-duration.

[0069] Furthermore, if terminal 20 receives an activation request from base station 10 to transmit SRS or receive DL-PRS at a time when it is unable to transmit SRS or receive DL-PRS, it may return an activation failure to base station 10.

[0070] The lower part of Figure 6 shows an example of returning an activation failure to the base station 10. In the example shown in the lower part of Figure 6, during a certain on-duration, terminal 20 receives an activation request (shown as A) from base station 10 instructing it to perform an SRS transmission (shown as B). However, terminal 20 is unable to perform the SRS transmission (shown as B), and therefore returns an activation failure to base station 10.

[0071] Furthermore, terminal 20 may be capable of performing SRS transmission / DL-PRS reception operations during periods outside of the DRX's on-duration. In other words, it may be capable of performing the operations shown in Figure 3. For example, in the case shown in the lower part of Figure 6, if terminal 20 receives an activation request (shown as A) instructing SRS transmission (shown as B), it may temporarily become active (wake-up) at timing B and perform SRS transmission / DL-PRS reception.

[0072] <(Example 2) On duration timer> In Example 2, DL-PRS is used as an example, but the same method is applicable to SRS. Generally, DL-PRS is transmitted from multiple base stations (which may also be called TRPs). Terminal 20 determines its own position by measuring the received power or time difference of multiple DL-PRS received from multiple TRPs. Alternatively, terminal 20 may report the measurement results of the multiple DL-PRS to LMF 30, and LMF 30 may determine the position of terminal 20.

[0073] When multiple DL-PRS signals sent from multiple TRPs arrive at terminal 20, there is a difference in the arrival times of the multiple DL-PRS signals.

[0074] In Example 2, terminal 20 assumes that the on-duration timer is set by base station 10, taking into account the expected time intervals between multiple DL-PRS signals. The on-duration timer indicates the length of time (i.e., on-duration) that terminal 20 is active in one DRX cycle. Base station 10 sets the on-duration timer for terminal 20, taking into account the expected time intervals between multiple DL-PRS signals.

[0075] "Considering the arrival time range" means ensuring that terminal 20 is in a state where it can receive DL-PRS signals from at least one (or a predetermined number greater than 1) of the multiple DL-PRS signals set on terminal 20. In other words, Example 2 is an operation to ensure that terminal 20 can receive multiple DL-PRS signals transmitted from multiple TRPs as reliably as possible. However, receiving all of them is not mandatory.

[0076] Referring to Figure 7, an example is given in which terminal 20 receives DL-PRS from three TRPs during the active period (on-duration). As shown in Figure 7, there are three TRPs: one serving TRP (A) and two non-serving TRPs (B) and (C).

[0077] The three DL-PRS signals transmitted from TRP(A) to (C) arrive at terminal 20 within a time interval T, as shown in Figure 7.

[0078] Therefore, in the example shown in Figure 7, the on-duration timer is set from the base station 10 to the terminal 20 so as to include this time width T. Also, as shown in Figure 7, the period before the on-duration (expected arrival time) is designated as the preparation period, and the period after the on-duration (expected arrival time) is designated as the margin time, and either one or both of these preparation and margin periods may be set from the base station 10 to the terminal 20. The terminal 20 wakes up not only during the on-duration but also during the preparation and margin periods to monitor the signal. Note that the preparation period may be referred to as the pre-period, additional active period, etc. Similarly, the margin period may be referred to as the post-period, additional active period, etc.

[0079] An example of the above settings is explained below. The above arrival time range (e.g., the relative value of the PRS of another TRP based on the PRS arrival time of a certain TRP (arrival time difference)) is notified, for example, from LMF30 to base station 10. Alternatively, the above arrival time range may be notified from LMF30 to terminal 20, and terminal 20 may include it in DRX-related information and notify LMF30, and this DRX-related information may be notified to base station 10.

[0080] Having determined the arrival time interval, the base station 10 determines the on-duration timer, preparation period, backup period, etc., according to the arrival time interval, so that the terminal 20 can receive a predetermined number of DL-PRS signals, and notifies the terminal 20 of DRX setting information, including the determined information, via RRC signaling. Based on this DRX setting information, the terminal 20 performs reception (measurement) of multiple DL-PRS signals as shown in Figure 7.

[0081] <(Example 3) Inactivity timer> Next, as Example 3, we will explain an example using an inactivity timer. In Example 3, we will use DL-PRS as an example, but it can be similarly applied to SRS. Regarding the existing inactivity time, terminal 20 starts the inactivity timer when it receives PDCCH during the DRX's wake-up period (active period), and extends the wake-up period until the inactivity timer expires.

[0082] In Example 3, terminal 20 performs the same operation when it receives a positioning signal as it does when it receives a PDCCH. That is, if terminal 20 receives a positioning signal during the DRX's wake-up period (active period), it starts the inactivity timer and extends the wake-up period until the inactivity timer expires.

[0083] Signals used for positioning are not limited to specific signals, but examples include DL-PRS, PDCCH (control signal), and PDSCH (data).

[0084] Figure 8 shows an example of operation when DL-PRS is used as a positioning signal. As shown in Figure 8, when terminal 20 receives a DL-PRS during the Active period indicated by A, it activates the inactivity timer and continues the wake-up period until the inactivity timer expires. This operation makes it easier to receive multiple DL-PRS from multiple TRPs, as explained in Example 2.

[0085] Furthermore, similar to the on-duration timer in Example 2, the value of the inactivity timer may be determined based on the arrival time interval of the DL-PRS. In this case, for example, the arrival time interval is notified from the LMF 30 to the base station 10. The base station 10, having determined the arrival time interval, sets the value of the inactivity timer to the same value as the arrival time interval or a value greater than the arrival time interval, and notifies the terminal 20 of the DRX configuration information including the configured information via RRC signaling. The terminal 20 then performs the operations shown in Figure 8 based on the DRX configuration information.

[0086] Furthermore, the inactivity timer may be set from the network to the terminal 20 as described above, or a default value may be defined, and the terminal 20 and base station 10 may use that default value.

[0087] The above example is for DL, but the same operation may be performed for UL. That is, terminal 20 may start an inactivity timer when it transmits a positioning signal during the DRX's wake-up period (active period), and extend the wake-up period until the inactivity timer expires. The positioning signal in UL is not limited to a specific signal, but could be, for example, SRS, UL-PRS, PUCCH (control signal), PUSCH (data), etc.

[0088] As described above, the first embodiment enables the terminal 20 to perform positioning operations with low power consumption. Furthermore, the technology according to the first embodiment has a small spec impact when implemented.

[0089] (Second Embodiment) Next, a second embodiment will be described. The second embodiment may be implemented in combination with any other embodiment, or it may be implemented independently of the other embodiments. Here, we assume that it is implemented in combination with the operation of the first embodiment. That is, we assume that DRX-related information is reported to the network side.

[0090] In the second embodiment, terminal 20 assumes that there is a priority order between transmitting / receiving signals for positioning and the DRX, and performs operations according to that priority order. Examples of operations according to the priority order are the following options 1 and 2.

[0091] <Option 1: DRX positioning> Option 1 is an example where DRX has a higher priority than positioning. In this case, for example, terminal 20 notifies base station 10 (or LMF 30) that DRX has a higher priority than positioning. Options 1-1 and 1-2 are explained below. Options 1-1 and 1-2 may be implemented in combination.

[0092] Option 1-1: The base station 10 (or LMF 30) configures the terminal 20 to transmit / receive positioning signals, for example, based on the DRX cycle and on-duration timer of the terminal 20, so that positioning signal transmission / reception occurs during the active period (wake-up period) of the terminal 20.

[0093] Furthermore, if terminal 20 is configured to transmit / receive signals for positioning without considering the priority between DRX and positioning, terminal 20, where DRX has a higher priority than positioning, may request base station 10 (or LMF 30) to change the settings for transmitting / receiving signals for positioning. Upon receiving the setting change request, base station 10 (or LMF 30) will, for example, configure (reconfigure) terminal 20 to transmit / receive signals for positioning so that it does so during the active period of terminal 20, based on the cycle and on-duration timer of the DRX in terminal 20.

[0094] Options 1-2: Terminal 20, which has a higher priority for DRX than for positioning, may return an activation failure to base station 10 if it receives an activation instruction for signal transmission / reception from base station 10 during the sleep period.

[0095] <Option 2: positioning > DRX> Option 2 is an example where location positioning has a higher priority than DRX. In this case, for example, terminal 20 notifies base station 10 (or LMF 30) that location positioning has a higher priority than DRX. Options 2-1, 2-2, and 2-3 are described below. Options 2-1, 2-2, and 2-3 can be implemented in any combination.

[0096] Option 2-1: For example, if terminal 20 determines that positioning has a higher priority than DRX, it will terminate the DRX state if it is in the DRX state. Regarding how to terminate the DRX state, terminal 20 may request base station 10 to terminate DRX, or base station 10 may instruct terminal 20 to terminate DRX. In addition, terminal 20 may determine that positioning has a higher priority than DRX if the positioning setting is performed by base station 10.

[0097] Regarding the actual timing of DRX termination, terminal 20 may terminate DRX at a predetermined time after the base station 10 has performed a reconfiguration for DRX termination. Examples 1 and 2 are explained in detail.

[0098] (Example 1 of DRX termination method) Suppose a certain time T(T≧0)[ms] is defined, or a time T(T≧0)[ms] is set on terminal 20. Terminal 20 terminates DRX T[ms] after reconfiguration for DRX termination. Alternatively, terminal 20 may terminate DRX within T'[ms] after reconfiguration for DRX termination using a certain time T'(T'≧0)[ms].

[0099] (Example 2 of DRX termination method) Suppose a certain number of slots N (N≧0) [slots] is defined, or that a certain number of slots N (N≧0) [slots] is set on terminal 20. Terminal 20 terminates DRX N [slots] after reconfiguration for DRX termination. Alternatively, terminal 20 may terminate DRX within N' [slots] after reconfiguration for DRX termination using a certain N' (N'≧0) [slots].

[0100] Option 2-2: The base station 10 (or LMF 30) configures (or resets) the DRX settings of the terminal 20, for example, by adjusting the DRX cycle and on-duration timer, etc., so that the transmission / reception of positioning signals at the terminal 20 occurs during the active period (wake-up period) of the DRX at the terminal 20. The terminal 20 may also request such configuration / reconfiguration from the base station 10 (or LMF 30).

[0101] Options 2-3: Terminal 20 in DRX state may transmit / receive positioning signals during periods other than the Active period (sleep period). In other words, as shown in Figure 3, terminal 20 may temporarily wake up to perform signal transmission / reception operations.

[0102] <Regarding reporting priorities> Terminal 20 may report the priority between DRX and positioning to base station 10 (or LMF 30) at any of the timings (1) to (5) and frequencies (1) to (5) described in the first embodiment.

[0103] Furthermore, terminal 20 may report the priority between DRX and positioning to base station 10 (or LMF 30) when the required positioning frequency changes. For example, when terminal 20 changes its mode from power-saving mode to high-frequency positioning mode, it reports priority information to base station 10 (or LMF 30) indicating that positioning takes precedence over DRX.

[0104] Terminal 20 reports the priority between DRX and positioning to base station 10 (or LMF 30), and it can be assumed that the settings for "DRX", "Signal transmission / reception for positioning", or "Both DRX and signal transmission / reception for positioning" will be reconfigured by base station 10.

[0105] <Regarding setting priorities> Terminal 20 may assume that the priority between DRX and positioning is set by base station 10 (or LMF 30).

[0106] Alternatively, instead of explicitly setting priorities, the settings (reconfigurations) from the base station 10 (or LMF 30) to the terminal 20 for "DRX", "Send / receive positioning signals", or "Both DRX and transmit / receive positioning signals" may implicitly indicate the priority between DRX and positioning. For example, if the settings (reconfigurations) are made to perform option 1 (DRX > positioning), it implicitly indicates that DRX has a higher priority than positioning. Similarly, if the settings (reconfigurations) are made to perform option 2 (positioning > DRX), it implicitly indicates that positioning has a higher priority than DRX.

[0107] <Regarding the assumption of priorities> Terminal 20 may assume (determine) different priorities for positioning DL signals (e.g., DL-PRS Rx) and UL signals (SRS Tx), or it may assume (determine) a common priority. For example, terminal 20 in the DRX state may assume that positioning takes priority over DRX for DL-PRS and that it will receive DL-PRS when waking up, and that DRX takes priority over positioning for UL-SRS and that it will not transmit UL-SRS even when the timing for transmission arrives while in sleep state.

[0108] The technology of the second embodiment described above enables operation that takes into account the trade-off between power consumption and positioning performance.

[0109] (Third embodiment) Next, a third embodiment will be described. The third embodiment may be implemented in combination with any other embodiment, or it may be implemented independently of the other embodiments. Here, we assume that it is implemented in combination with the operation of the 0th embodiment. That is, we assume that DRX-related information is reported to the network side.

[0110] In the third embodiment, if terminal 20 in the DRX state is unable to transmit / receive a positioning signal at the timing instructed (or set) by base station 10 (or LMF 30), base station 10 may detect this and return a positioning activation failure to LMF 30. Terminal 20 may assume that if it is unable to transmit / receive a positioning signal at the timing instructed (or set) by base station 10 (or LMF 30), base station 10 will return a positioning activation failure to LMF 30.

[0111] Furthermore, if terminal 20 is unable to transmit / receive a positioning signal at the timing instructed (or set) by base station 10 (or LMF 30), terminal 20 may return a positioning activation failure to base station 10 (or LMF 30).

[0112] The name "positioning activation failure" is just one example. Any name may be used for the signal / message that indicates the inability to transmit / receive positioning signals. The message / message that indicates the inability to transmit / receive positioning signals may also be called "failure".

[0113] Examples of situations where it is not possible to transmit / receive positioning signals at the timing instructed (or set) by base station 10 (or LMF30) include the following examples 1 and 2.

[0114] Example 1: When the timing for transmitting / receiving positioning signals is restricted by the DRX settings configured on the terminal 20 from the base station 10. In this case, for example, even if the timing for transmitting / receiving positioning signals arrives during the DRX sleep period, terminal 20 will not be able to transmit / receive the signal.

[0115] In Example 1, if positioning has a higher priority than DRX, for example, settings are made so that positioning signal transmission / reception does not occur during the sleep period. Alternatively, if positioning has a higher priority than DRX, even if positioning signal transmission / reception occurs during the sleep period, terminal 20 may temporarily wake up to perform the signal transmission / reception.

[0116] Example 2: When the priority of DRX is higher than that of positioning as described in the second embodiment. In this case, for example, when the timing of signal transmission / reception for positioning arrives during the sleep period of DRX, the terminal 20 cannot perform the signal transmission / reception.

[0117] <Regarding the assumption of positioning activation failure> When the base station 10 (or LMF 30) detects that the terminal 20 has not returned a response or failure to the base station 10 (or LMF 30) for more than X (X > 0) [ms, slot, symbol, etc.] from the reception timing of the activation request from the base station 10 (or LMF 30) (or the timing of signal transmission / reception based on the setting of signal transmission / reception), the base station 10 (or LMF 30) may determine that the terminal 20 has returned a failure. The terminal 20 may assume that such a determination has been made in the base station 10 (or LMF 30).

[0118] For example, as shown in FIG. 9, when an activation request is transmitted to the terminal 20 during the sleep period and the terminal 20 cannot correctly receive the activation request, it is determined that a failure has been returned.

[0119] Regarding the above X, it may be defined in the specification, or may be set in advance from the NW (base station 10 or LMF 30) to the terminal 20, or a default value may be defined.

[0120] <Regarding the timing of returning activation failure> In the third embodiment, when the terminal 20 or the base station 10 returns (transmits) an activation failure, there are the following options 1, option 2, and option 3 as the transmission timing of the activation failure.

[0121] <Timing of Sending activation failure: Option 1> In Option 1, the terminal 20 or the base station 10 transmits an activation failure for an activation request received by the terminal 20 during the wake-up period in the DRX state during the same wake-up period. An example of Option 1 is shown in FIG. 10. In the example of FIG. 10, the terminal 20 receives an SRS activation instructing signal transmission indicated by A during the wake-up period but cannot perform the signal transmission indicated by A, so an activation failure is transmitted during that wake-up period.

[0122] Also, when signal transmission / reception based on settings that do not require activation occurs during the sleep period in the terminal 20 or the base station 10, a failure indicating that signal transmission / reception cannot be performed may be transmitted during the wake-up period immediately before the sleep period, similar to the case of FIG. 10.

[0123] <Timing of Sending activation failure: Option 2> In Option 2, the terminal 20 or the base station 10 transmits an activation failure for an activation request received by the terminal 20 during the wake-up period in the DRX state during a subsequent wake-up period. The "subsequent wake-up period" may be the wake-up period immediately after the wake-up period in which the activation request was received, or may be a wake-up period after the wake-up period immediately after the wake-up period in which the activation request was received.

[0124] Also, when the terminal 20 or the base station 10 performs signal transmission / reception based on settings that do not require activation during the sleep period, a failure indicating that signal transmission / reception cannot be performed may be transmitted during the wake-up period after the sleep period. The "wake-up period after the sleep period" may be the wake-up period immediately after the sleep period or the wake-up period after the wake-up period immediately after the sleep period.

[0125] Next, as a more detailed example, Options 2-1 and 2-2 will be described.

[0126] <Timing of transmitting activation failure: Option 2-1> In Option 2-1, as shown in FIG. 11, if there is no response / failure even after the expiration of period X since the terminal 20 receives an activation request, the base station 10 (or LMF 30) determines that a failure for the activation request has been returned from the terminal 20.

[0127] <Timing of transmitting activation failure: Option 2-2> Option 2-2 is an example of operation in a situation where period X has not expired in Option 2-1.

[0128] That is, in Option 2-2, if there is no response / failure even after exceeding the activation timing instructed by the base station 10 (or LMF 30) before the expiration of period X since the terminal 20 receives an activation request, the base station 10 (or LMF 30) may advance the timer that counts X and determine that a failure has been returned from the terminal 20 by considering that X has expired.

[0129] In the example of FIG. 12, after the terminal 20 receives SRS activation during a certain wake-up period and before transmitting a response / failure, when the activation timing shown by A has elapsed, the base station 10 (or LMF 30) determines that the terminal 20 has returned a failure.

[0130] <Transmission timing of <activation failure>: Option 3> In Option 3, the terminal 20 wakes up briefly during the sleep period, transmits a failure, and then transitions back to the sleep state. FIG. 13 shows an example of transmitting an Activation failure for SRS activation.

[0131] In Option 3, it is assumed that the inactivity timer is not counted when the terminal 20 transmits a failure. That is, the terminal 20 transitions to the sleep state immediately after transmitting a failure.

[0132] Also, even when the terminal 20 transmits a failure as described above, it assumes the time according to the set DRX cycle as the timing to wake up next after the wake-up period when it received the activation request. That is, the terminal 20 does not count the wake-up for transmitting a failure.

[0133] With the technology according to the third embodiment described above, it becomes possible to report to the NW the timing when positioning cannot be performed.

[0134] (Other examples) Hereinafter, examples that can be commonly applied to the 0th to 3rd embodiments will be described.

[0135] Capability information (UE capability) is defined to indicate that the terminal 20 supports the operation of one or more embodiments from the 0th to 3rd embodiments, and the terminal 20 may report this capability information to the base station 10. The base station 10 (or LMF 30) may perform DRX settings / positioning settings according to the supported embodiment only for terminal 20 that has transmitted capability information indicating that the terminal supports the operation of one or more embodiments from the 0th to 3rd embodiments.

[0136] "PRS (Positioning Reference Signal)" may be replaced with "DL-PRS," "UL-PRS (e.g., SRS for positioning, SRS)," etc. "SRS" may be replaced with "SRS for MIMO," "SRS for positioning," etc. NW may be replaced with "gNB," "TRP," "LMF," etc.

[0137] Also, "Serving TRP" may be replaced with "reference TRP," etc. "Configured / indicated from the network" may be replaced with "configured / activated / indicated from the network via RRC / MAC-CE / DCI."

[0138] Furthermore, "DRX" may be replaced with "Connected DRX (CDRX / C-DRX)", "Extended DRX (EDRX / E-DRX / ECDRX / E-CDRX)", "Enhanced DRX (EDRX / E-DRX / ECDRX / E-CDRX)", etc. "Preparation period" and "margin time" may be replaced with "time offset" and "additional time", etc.

[0139] (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.

[0140] <Base station 10> Figure 14 shows an example of the functional configuration of a base station 10. As shown in Figure 14, 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 14 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. Also, the transmitting unit 110 and the receiving unit 120 may be collectively referred to as the communication unit.

[0141] The transmitting unit 110 includes the function of generating a signal to be transmitted to the terminal 20 and transmitting the signal wirelessly. The transmitting unit 110 can also transmit signals to network devices such as the LMF 30. 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 from a higher layer. The receiving unit 120 can also receive signals from network devices such as the LMF 30. In addition, the transmitting unit 110 has the function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals, DCI via PDCCH, data via PDSCH, etc. to the terminal 20.

[0142] The setting unit 130 stores pre-configured setting information and various setting information to be transmitted to the terminal 20 in a storage device provided by the setting unit 130, and reads it from the storage device as needed.

[0143] The control unit 140 schedules DL reception or UL transmission of terminal 20 via the transmission unit 110. The control unit 140 also includes a function for LBT (Low-Block Transmission). The functions related to signal transmission in the control unit 140 may be included in the transmission unit 110, and the functions related to signal reception in the control unit 140 may be included in the reception unit 120. The transmission unit 110 may also be called a transmitter, and the reception unit 120 may be called a receiver.

[0144] Furthermore, the LMF30 may also have the configuration shown in Figure 14. When the configuration shown in Figure 14 is an LMF, the transmitting unit 110 transmits signals to other network devices (including base stations), and the receiving unit 120 receives signals from other network devices (including base stations).

[0145] <Terminal 20> Figure 15 shows an example of the functional configuration of terminal 20. As shown in Figure 15, 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 15 is merely an example. Any functional classification and name of functional unit is acceptable as long as it can perform the operations according to the embodiment of the present invention. The transmitting unit 210 and the receiving unit 220 may be collectively referred to as the communication unit.

[0146] 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 acquires signals from higher layers from the received physical layer signals. The receiving unit 220 also has the function of receiving NR-PSS, NR-SSS, NR-PBCH, DL / UL / SL control signals, DCI via PDCCH, data via PDSCH, etc. transmitted from the base station 10. For example, the transmitting unit 210 may transmit PSCCH (Physical Sidelink Control Channel), PSSCH (Physical Sidelink Shared Channel), PSDCH (Physical Sidelink Discovery Channel), PSBCH (Physical Sidelink Broadcast Channel), etc. as D2D communication to another terminal 20, and the receiving unit 220 may receive PSCCH, PSSCH, PSDCH or PSBCH, etc. from the other terminal 20. The transmitting unit 210 also includes the antenna port described in this embodiment.

[0147] The setting unit 230 stores various setting information received from the base station 10 or other terminals by the receiving unit 220 in a storage device provided in the setting unit 230, and reads it from the storage device as needed. The setting unit 230 also stores pre-configured setting information.

[0148] The control unit 240 controls the terminal 20. The functions related to signal transmission in the control unit 240 may be included in the transmission unit 210, and the functions related to signal reception in the control unit 240 may be included in the reception unit 220. Alternatively, the transmission unit 210 may be called a transmitter and the reception unit 220 may be called a receiver.

[0149] This embodiment provides at least the following terminal and base station.

[0150] <Note 1> (Additional note 1) A transmitting unit that sends information about intermittent reception to the network, A control unit that is intended to transmit or receive signals for positioning in accordance with the timing of intermittent reception, A terminal equipped with the following features. (Additional note 2) A transmitting unit that sends information about intermittent reception to the network, A control unit that is intended to perform intermittent reception in accordance with the timing of signal transmission or reception for positioning, A terminal equipped with the following features. (Additional note 3) The control unit controls the terminal to transmit or receive signals for positioning at the interval of the intermittent reception. The terminals described in Appendix 1 or 2. (Additional note 4) It includes a receiving unit that receives signals during a wake-up period that includes the time intervals between the arrival of multiple signals for position determination. The terminal specified in any one of the appendices 1 through 3. (Additional note 5) The control unit extends the wake-up period if it transmits or receives a signal for positioning during the wake-up period. A terminal specified in any one of the supplementary items 1 through 4. (Additional note 6) A receiving unit that receives information regarding intermittent reception, A control unit in the terminal is assumed to transmit or receive a signal for positioning in accordance with the timing of intermittent reception, A base station equipped with the necessary equipment.

[0151] In any of paragraphs 1 to 6, a technology is provided that enables a terminal performing intermittent reception operations to appropriately transmit or receive signals for positioning. According to appendices 3, 4, and 5, the terminal can appropriately transmit or receive signals for positioning.

[0152] <Note 2> (Additional note 1) A control unit that assumes a priority between intermittent reception and the transmission or reception of signals for position determination, In accordance with the above priority order, the communication unit that performs the transmission or reception of the signal for position determination in the intermittent reception state and A terminal equipped with the following features. (Additional note 2) When the priority of intermittent reception is higher than the priority of transmitting or receiving signals for positioning, The communication unit receives a setting change related to positioning from the network, or requests such a setting change from the network, so that the transmission or reception of the positioning signal is performed during the wake-up period in the intermittent reception. The terminals listed in Appendix 1. (Additional note 3) When the priority of intermittent reception is higher than the priority of transmitting or receiving signals for positioning, If the communication unit is unable to transmit or receive a signal for positioning, it sends a message to the network indicating that it is unable to transmit or receive a signal for positioning. The terminals described in Appendix 1 or 2. (Additional note 4) When the priority of intermittent reception is lower than the priority of transmitting or receiving signals for positioning, The aforementioned communication unit terminates the intermittent reception state in response to a request to the network or an instruction from the network. The terminal specified in any one of the appendices 1 through 3. (Additional note 5) When the priority of intermittent reception is lower than the priority of transmitting or receiving signals for positioning, The communication unit receives a setting change related to the intermittent reception from the network, or requests such a setting change from the network, so that the transmission or reception of the positioning signal is performed during the wake-up period in the intermittent reception. A terminal specified in any one of the supplementary items 1 through 4. (Additional note 6) A control unit that assumes a priority between intermittent reception and the transmission or reception of signals for position determination, A communication unit that transmits a setting change to the terminal, or receives a request for such a setting change from the terminal, so that the terminal transmits or receives the signal for positioning during the wake-up period in the intermittent reception, according to the aforementioned priority order. A base station equipped with the necessary equipment.

[0153] Any of paragraphs 1 through 6 provides a technology that enables a terminal performing intermittent reception operations to appropriately transmit or receive signals for positioning. According to appendices 2, 3, 4, and 5, operations can be appropriately performed according to priority.

[0154] <Note 3> (Additional note 1) In an intermittent reception state, the communications unit determines that it is not possible to transmit or receive signals for positioning due to limitations in signal transmission and reception timing, A control unit that assumes that a message indicating that the aforementioned signal transmission or signal reception is not possible is transmitted from the base station to the network device, A terminal equipped with the following features. (Additional note 2) In an intermittent reception state, a control unit determines that it is not possible to transmit or receive a signal for positioning due to limitations on the timing of signal transmission and reception, A transmitting unit that sends a message to the network indicating that it is not possible to transmit or receive the aforementioned signal, A terminal equipped with the following features. (Additional note 3) If the terminal receives an instruction to transmit or receive a signal during the wake-up period, the transmitting unit transmits the message during the wake-up period or a wake-up period following the wake-up period. The terminals listed in Appendix 2. (Additional note 4) The transmitting unit temporarily wakes up during the sleep period to transmit the message. The terminals listed in Appendix 2. (Additional note 5) If, after an instruction for the transmission or reception of the aforementioned signal has been transmitted from the network to the terminal, the message is not transmitted from the terminal for a predetermined period of time, the network determines that the terminal has transmitted the message. A terminal specified in any one of the appendices 2 through 4. (Additional note 6) A control unit that determines that, when a terminal is in an intermittent reception state, the terminal cannot transmit or receive a signal for positioning due to limitations on the timing of signal transmission and reception, A transmitting unit that transmits a message to a network device indicating that it is not possible to transmit or receive the aforementioned signal, A base station equipped with the necessary equipment.

[0155] In any of paragraphs 1 through 6, a technology is provided that enables a terminal performing intermittent reception operations to appropriately transmit or receive signals for positioning. According to appendices 3, 4, and 5, the network can appropriately determine that the terminal was unable to transmit or receive signals for positioning.

[0156] (Hardware configuration) The block diagrams (Figures 14 and 15) 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 above one device or the above multiple devices with software.

[0157] 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.

[0158] 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 16 is a diagram showing an example of the hardware configuration of the base station 10, terminal 20 and LMF 30 according to one embodiment of the present disclosure. The base station 10 and terminal 20 described above may be physically configured as a computer device including a processor 1001, storage device 1002, auxiliary storage device 1003, communication device 1004, input device 1005, output device 1006, bus 1007, etc.

[0159] 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.

[0160] 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.

[0161] 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.

[0162] 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 14 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 15 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.

[0163] 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.

[0164] 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.

[0165] 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 referred to as a network device, network controller, network card, communication module, etc. The communication device 1004 may be configured to include high-frequency switches, duplexers, filters, frequency synthesizers, etc., in order to implement at least one of frequency division duplex (FDD) and time division duplex (TDD). For example, the transmitting and receiving antennas, amplifier section, transmitting and receiving section, transmission path interface, etc., may be implemented by the communication device 1004. The transmitting and receiving section may be implemented in a physically or logically separated manner, with a transmitting section and a receiving section.

[0166] 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).

[0167] 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.

[0168] Furthermore, the base station 10, terminal 20, and LMF 30 may be configured to include hardware such as a microprocessor, digital signal processor (DSP), application-specific integrated circuit (ASIC), programmable logic device (PLD), and field programmable gate array (FPGA), 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.

[0169] Furthermore, a terminal 20, a base station 10, or an LMF 30 may be provided in the vehicle 2001. Figure 17 shows an example of the configuration of the vehicle 2001. As shown in Figure 11, the vehicle 2001 includes 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 to 2029, an information service unit 2012, and a communication module 2013. The terminal 20 or base station 10 according to each embodiment / appearance described in this disclosure may be applied to a communication device mounted on the vehicle 2001, for example, to the communication module 2013.

[0170] 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.

[0171] 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).

[0172] 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.

[0173] The Information Services Unit 2012 consists of various devices for providing (outputting) 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. The Information Services Unit 2012 may include input devices that accept input from the outside (e.g., keyboard, mouse, microphone, switch, button, sensor, touch panel, etc.) and output devices that perform output to the outside (e.g., display, speaker, LED lamp, touch panel, etc.).

[0174] 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.

[0175] 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.

[0176] 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.

[0177] The communication module 2013 may transmit at least one of the following to an external device via wireless communication: signals from the various sensors 2021-2028 input to the electronic control unit 2010, information obtained based on said signals, and information based on input from an external source (user) obtained via the information service unit 2012. The electronic control unit 2010, the various sensors 2021-2028, the information service unit 2012, etc., may also be called input units that accept input. For example, the PUSCH transmitted by the communication module 2013 may include information based on the above input.

[0178] The communication module 2013 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from an external device and displays it on the information service unit 2012 provided in the vehicle 2001. The information service unit 2012 may also be called an output unit, which outputs information (for example, outputs information to devices such as displays and speakers based on the PDSCH (or data / information decoded from the PDSCH) received by the communication module 2013). 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., provided in the vehicle 2001.

[0179] (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.

[0180] 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.

[0181] 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).

[0182] 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.

[0183] 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).

[0184] 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.

[0185] 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.

[0186] 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).

[0187] 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.

[0188] 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.

[0189] 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.

[0190] 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.

[0191] The terms “system” and “network” as used in this disclosure are interchangeable.

[0192] Furthermore, the information, parameters, etc., described in this disclosure may be expressed using absolute values, relative values ​​from a given value, or corresponding other information. For example, wireless resources may be indicated by an index.

[0193] 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.

[0194] 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.

[0195] 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.

[0196] In this disclosure, the transmission of information by a base station to a terminal may be interpreted as the base station instructing the terminal to perform information-based control or operation.

[0197] In this disclosure, terms such as "Mobile Station (MS)," "user terminal," "User Equipment (UE)," and "terminal" may be used interchangeably.

[0198] 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.

[0199] 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 also be a device mounted on a mobile body, the mobile body itself, etc. The mobile body refers to a movable object, and its speed of movement is arbitrary. This also includes the case when the mobile body is stationary. The mobile body includes, but is not limited to, vehicles, transport vehicles, automobiles, motorcycles, bicycles, connected cars, excavators, bulldozers, wheel loaders, dump trucks, forklifts, trains, buses, handcarts, rickshaws, ships and other watercraft, airplanes, rockets, satellites, drones (registered trademark), multicopters, quadcopters, balloons, and items mounted on them. The mobile body may also be a mobile body that moves autonomously based on operation commands. It 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). Furthermore, at least one of the base station and the mobile station may include devices that do not necessarily move during communication operations. 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.

[0200] Furthermore, the term "base station" in this disclosure may be interpreted as "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 terminal is replaced with communication between multiple terminals 20 (which may be called, for example, D2D (Device-to-Device), V2X (Vehicle-to-Everything)). 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.

[0201] Similarly, the term "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 terminal described above.

[0202] 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."

[0203] 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.

[0204] The reference signal can also be abbreviated as RS (Reference Signal), and may be called a pilot depending on the applicable standard.

[0205] 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."

[0206] 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.

[0207] In the configuration of each of the above devices, "means" may be replaced with "part," "circuit," "device," etc.

[0208] 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.

[0209] 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.

[0210] 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.

[0211] 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.

[0212] 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.

[0213] 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.

[0214] 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. Also, one slot may be called a unit time. The unit time may differ from cell to cell depending on the neurology.

[0215] 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.

[0216] 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.

[0217] 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.

[0218] 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.

[0219] 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.

[0220] 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.

[0221] 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.

[0222] 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.

[0223] 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.

[0224] 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.

[0225] A BWP may include BWPs for UL (UL BWP) and BWPs for DL ​​(DL BWP). One or more BWPs may be configured within a single carrier for a UE.

[0226] At least one of the configured BWPs may be active, and the UE does not need to assume that it will send or receive a given signal / channel outside of the active BWP. In this disclosure, terms such as "cell" and "carrier" may be read as "BWP".

[0227] 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.

[0228] 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.

[0229] 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."

[0230] 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).

[0231] 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]

[0232] 10 Base Station 110 Transmitter 120 Receiver 130 Setting Unit 140 Control Unit 20 Terminal 210 Transmitter 220 Receiver 230 Setting Unit 240 Control Unit 1001 Processor 1002 Memory Device 1003 Auxiliary Memory Device 1004 Communication Device 1005 Input Device 1006 Output Device 2001 Vehicle 2002 Driving Unit 2003 Steering Unit 2004 Accelerator Pedal 2005 Brake Pedal 2006 Shift Lever 2007 Front Wheel 2008 Rear Wheel 2009 Axle 2010 Electronic Control Unit 2012 Information Service Unit 2013 Communication Module 2021 Current Sensor 2022 Rotation Speed Sensor 2023 Air Pressure Sensor 2024 Vehicle Speed Sensor 2025 Acceleration Sensor 2026 Brake Pedal Sensor 2027 Shift Lever Sensor 2028 Object Detection Sensor 2029 Accelerator Pedal Sensor 2030 Driving Support System Unit 2031 Microprocessor 2032 Memory (ROM, RAM) 2033 Communication Port (IO Port)

Claims

1. A control unit that assumes a priority between intermittent reception and signal transmission or signal reception for position determination, A terminal comprising: a communication unit that performs signal transmission or signal reception for position determination in an intermittent reception state according to the above priority order, When the priority of intermittent reception is higher than the priority of transmitting or receiving signals for positioning, The communication unit receives a setting change related to positioning from the network, or requests such a setting change from the network, so that the transmission or reception of the positioning signal is performed during the wake-up period in the intermittent reception. Terminal.

2. A control unit that assumes a priority between intermittent reception and signal transmission or signal reception for position determination, A terminal comprising: a communication unit that performs signal transmission or signal reception for position determination in an intermittent reception state according to the above priority order, When the priority of intermittent reception is higher than the priority of transmitting or receiving signals for positioning, If the communication unit is unable to transmit or receive a signal for positioning, it sends a message to the network indicating that it is unable to transmit or receive a signal for positioning. Terminal.

3. A control unit that assumes a priority between intermittent reception and signal transmission or signal reception for position determination, A terminal comprising: a communication unit that performs signal transmission or signal reception for position determination in an intermittent reception state according to the above priority order, When the priority of intermittent reception is lower than the priority of transmitting or receiving signals for positioning, The communication unit receives a setting change related to the intermittent reception from the network, or requests such a setting change from the network, so that the transmission or reception of the positioning signal is performed during the wake-up period in the intermittent reception. Terminal.

4. A control unit that assumes a priority between intermittent reception and the transmission or reception of signals for position determination, A communication unit that transmits a setting change to the terminal, or receives a request for such a setting change from the terminal, so that the terminal transmits or receives the signal for positioning during the wake-up period in the intermittent reception, according to the aforementioned priority order. A base station equipped with the necessary equipment.

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