Terminal and communication method

Abstract

To provide a terminal and a communication method in a wireless communication system that solves the problem that control related to signal collision becomes complicated and implementation of a terminal becomes difficult when an uplink control channel and an uplink shared channel including uplink control information are freely allocated within a slot, and that facilitates implementation of a terminal related to transmission of uplink information. [Solution] In a wireless communication system, a terminal includes a control unit that controls multiple pieces of uplink information to be transmitted simultaneously via the same time resource, and a transmission unit that transmits the multiple pieces of uplink information simultaneously via the same time resource.

Description

[Technical Field]

[0001] The present invention relates to a terminal and a communication method in a wireless communication system. [Background technology]

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

[0003] In NR, a technology that enables free allocation of the uplink control channel (PUCCH: Physical Uplink Control Channel) and the uplink shared channel (PUSCH: Physical Uplink Shared Channel) within a slot is under study. In addition, in NR, a technology that transmits uplink control information (UCI) as a physical layer signal via the PUCCH or PUSCH is under study, following on from LTE. [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] 3GPP TS 38.300 V16.6.0(2021-06) Summary of the Invention [Problem to be solved by the invention]

[0005] If the uplink control channel containing the uplink control information and the uplink shared channel are freely allocated within a slot, the control related to signal collision becomes complicated, which makes it difficult to implement in the terminal.

[0006] The present invention has been made in view of the above points, and has an object to facilitate the implementation of a terminal related to the transmission of uplink information. [Means for solving the problem]

[0007] According to the disclosed technology, a terminal is provided that includes a control unit that controls multiple pieces of uplink information to be transmitted simultaneously via the same time resource, and a transmission unit that transmits the multiple pieces of uplink information simultaneously via the same time resource. [Effects of the Invention]

[0008] The disclosed technology provides a technology that makes it possible to easily implement a terminal involved in transmitting uplink information. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a diagram illustrating a wireless communication system according to an embodiment of the present invention. [Figure 2] FIG. 1 is a diagram illustrating an example of a basic procedure according to an embodiment of the present invention. [Figure 3] FIG. 10 is a sequence diagram showing an example of the processing flow of Dynamic grant. [Figure 4] FIG. 10 is a sequence diagram showing an example of the processing flow of configured grant. [Figure 5] FIG. 10 is a diagram illustrating a control procedure related to collision of PUCCH and PUSCH. [Figure 6] FIG. 10 is a diagram illustrating a method for transmitting a HARQ-ACK according to option 1-1 of the first embodiment. [Figure 7] FIG. 10 is a diagram for explaining a method of transmitting an SR according to option 1-2 of the first embodiment. [Figure 8] FIG. 10 is a diagram illustrating a CSI transmission method according to options 1-3 of the first embodiment. [Figure 9] FIG. 10 is a diagram illustrating a method for transmitting UCI according to options 1-4 of the first embodiment. [Figure 10] FIG. 10 is a diagram for explaining a method of multiplexing uplink information according to a second embodiment. [Figure 11] FIG. 10 is a diagram illustrating simultaneous transmission of uplink information according to a third embodiment. [Figure 12] FIG. 2 is a diagram illustrating an example of a functional configuration of a base station according to an embodiment of the present invention. [Figure 13] FIG. 2 is a diagram illustrating an example of a functional configuration of a terminal according to an embodiment of the present invention. [Figure 14] FIG. 2 is a diagram illustrating an example of a hardware configuration of a base station or a terminal according to an embodiment of the present invention. [Figure 15] 1 is a diagram showing an example of a configuration of a vehicle according to an embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the embodiment described below is an example, and the embodiment to which the present invention is applied is not limited to the following embodiment.

[0011] In operation of the wireless communication system according to the embodiment of the present invention, existing technologies may be used as appropriate. The existing technologies include, but are not limited to, existing NR or LTE. Furthermore, the term "LTE" used in this specification has a broad meaning including LTE-Advanced and systems subsequent to LTE-Advanced (e.g., NR) unless otherwise specified.

[0012] Furthermore, in the embodiments of the present invention described below, terms used in existing LTE, 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), are used. This is for convenience of description, and similar signals, functions, etc. may be referred to by other names. Furthermore, the above-mentioned terms in NR correspond to NR-SS, NR-PSS, NR-SSS, NR-PBCH, NR-PRACH, etc. However, even signals used in NR are not necessarily designated as "NR-".

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

[0014] Furthermore, in the embodiments of the present invention, "configuring" radio parameters and the like may mean that predetermined values ​​are pre-configured, or that radio parameters notified from a base station or a terminal are set.

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

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

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

[0018] The terminal 20 is a communication device equipped with a wireless communication function, such as a smartphone, a mobile phone, a tablet, a wearable terminal, or an M2M (Machine-to-Machine) communication module. As shown in FIG. 1, the 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. The terminal 20 also receives various reference signals transmitted from the base station 10 and measures the propagation path quality based on the reception results of the reference signals. The terminal 20 may also be referred to as a UE, and the base station 10 may also be referred to as a gNB.

[0019] (Basic operation) 2 is a diagram showing an example of a basic procedure in an embodiment of the present invention. First, an example of a basic operation in the wireless communication system of this embodiment will be described with reference to FIG.

[0020] In S100, the terminal 20 transmits capability information (UE capability) to the base station 10. Using this capability information, the base station 10 can determine, for example, the content of the information to be transmitted to the terminal 20 in S101 and S102 below.

[0021] In S101, the base station 10 transmits configuration information to the terminal 20 by an RRC message, and the terminal 20 receives the configuration information. The configuration information is, for example, configuration information related to a K1 set and a TDRA table, as described below. Note that the K1 set and the TDRA table may both be notified from the base station 10 to the terminal 20, or may be predetermined in specifications or the like, and the base station 10 and the terminal 20 may use the predetermined ones. The TDRA table may also be called time domain resource allocation configuration information.

[0022] In S102, the base station 10 transmits scheduling (allocation information) for one or more PDSCHs by DCI to the terminal 20, and the terminal 20 receives the DCI. The DCI also includes information about uplink resources for transmitting HARQ-ACK information.

[0023] In S103, terminal 20 receives a PDSCH based on the scheduling information in the DCI, and in S104 transmits HARQ-ACK information to base station 10. Base station 10 receives the HARQ-ACK information. Note that the PDSCH may be a PDSCH received without corresponding DCI, for example, a PDSCH received by a periodic PDSCH reception function called semi-persistent scheduling (SPS).

[0024] Conventionally, two types of scheduling are defined for uplink: Dynamic grant and Configured grant. Dynamic grant is a procedure in which scheduling is performed in response to a scheduling request from a terminal. Configured grant is a procedure in which scheduling is performed without a scheduling request from a terminal in order to reduce uplink latency.

[0025] 3 is a sequence diagram showing an example of the processing flow of a dynamic grant. When a dynamic grant is set by RRC, terminal 20 transmits a schedule request to base station 10 when uplink data occurs (step S11). In response to the received schedule request, base station 10 transmits a signal indicating permission for uplink to terminal 20 (step S12).

[0026] When the uplink is permitted, the terminal 20 transmits a BSR (Buffer Status Report) and / or uplink data to the base station 10 (step S13).

[0027] 4 is a sequence diagram showing an example of the flow of CG processing. When CG is configured by RRC and / or the CG is activated by DCI, PUSCH resources are individually allocated to terminal 20 in advance. When uplink data occurs, terminal 20 transmits a BSR and / or uplink data to base station 10 without making a schedule request (step S21).

[0028] (Previous problems) Conventionally, terminal 20 transmits UCI as a physical layer signal on PUCCH or PUSCH to base station 10. Here, a processing procedure when PUCCH and PUSCH containing UCI collide in the same slot will be described.

[0029] For example, if two or more PUCCHs collide in the time domain, the UCI contained in those PUCCHs is multiplexed or at least a portion of it is dropped, and the UCI to be transmitted is transmitted to base station 10 via one of those PUCCHs or another PUCCH.

[0030] For example, when a PUCCH and a PUSCH collide in the time domain, the UCI and / or data (UL-SCH) contained therein are multiplexed or at least partially dropped, and the UCI and / or data to be transmitted are transmitted to base station 10 via the PUCCH or PUSCH.

[0031] 5 is a diagram for explaining a control procedure related to collision of PUCCH and PUSCH. As shown in FIG. 5(a), terminal 20 allows collision and allocates PUCCH and PUSCH to slot n.

[0032] Subsequently, terminal 20 numbers the PUCCHs in the following order of priority, as shown in FIG. 5(b). 1. The first symbol is faster 2. Longer duration

[0033] Note that the numbering method when the first symbol and period are the same depends on the implementation of terminal 20. Then, terminal 20 multiplexes or drops UCI in the first overlap set as shown in Fig. 5(c). Subsequently, terminal 20 renumbers the PUCCHs as shown in Fig. 5(d).

[0034] Next, terminal 20 multiplexes or drops UCI in the second overlapping set as shown in Fig. 5(e), where the set includes a PUCCH that collides with the highest priority PUCCH in the set.

[0035] Then, as shown in FIG. 5(f), when there is no longer any collision between PUCCHs, terminal 20 multiplexes UCI onto the PUSCH with which there is a collision and transmits the same.

[0036] As described above, conventional terminals 20 transmit UCI to base station 10 as a physical layer signal on PUCCH or PUSCH. Therefore, if a technology that allows PUCCH or PUSCH to be freely allocated within a slot is adopted, countless patterns of collision of PUCCH and / or PUSCH will exist, and control related to collision of PUCCH and PUSCH including UCI will become extremely complicated.

[0037] It is also necessary to specify a rule for ensuring control time for the terminal 20. Furthermore, it is considered that the situation will become even more complicated if various numerologies, priorities for distinguishing between eMBB and URLLC, etc. are involved.

[0038] The UCI may include, but is not limited to, the following information A) to C), and may include any control information transmitted from the terminal 20 to the base station 10. A) HARQ-ACK: Report of detection success or failure for downlink data reception or control information reception (e.g., reception of SPS release notification, reception of SCell dormancy notification) B) SR: A request signal to the base station 10 for uplink data transmission or control information transmission (for example, transmission of information related to beam failure recovery in the SCell) C) CSI: Information reporting on downlink channel conditions (e.g., Channel quality indicator, Rank indicator, Precoding matrix indicator, Layer 1 reference signal received power)

[0039] (Outline of this embodiment) In order to solve the above-mentioned problems of the conventional technology, this embodiment describes a method for more easily realizing control related to UCI transmission, which can reduce the cost and power consumption of terminals.

[0040] Hereinafter, examples 1 to 3 will be described as specific examples.

[0041] Example 1 In the first embodiment, an example will be described in which a terminal 20 transmits UCI in a lower layer or an upper layer via a PUSCH. Here, the upper layer refers to a layer located higher than the physical layer, and includes, for example, a MAC layer, a PDCP layer, an RLC layer, etc. Also, the lower layer refers to a layer located lower than the upper layer, and refers to the physical layer.

[0042] That is, terminal 20 of this embodiment differs from conventional terminals in that it always transmits UCI only via PUSCH without via PUCCH, and in that it transmits UCI via a higher layer.

[0043] <Option 1-1> Terminal 20 may transmit HARQ-ACK in a lower layer or an upper layer via the PUSCH.

[0044] The terminal 20 may determine a PUSCH for transmitting a HARQ-ACK corresponding to the scheduled PDSCH based on PUSCH allocation information included in a downlink scheduling signal (DCI) transmitted from the base station 10.

[0045] Here, the cell from which terminal 20 transmits the PUSCH may be limited to a predetermined cell (for example, an SpCell, a cell in which HARQ feedback is permitted, etc.), or transmission may be possible in any cell.

[0046] The cell that transmits the PUSCH may be configured or designated by the base station 10. Furthermore, the designation of the PUSCH may be performed in any of the following ways.

[0047] In the first method, the base station 10 specifies time or frequency resources in separate fields, which is the same specification method as the PUSCH scheduling specified in NR.

[0048] In the second method, base station 10 configures a plurality of PUSCH resources in advance and specifies which of the configured plurality of PUSCH resources to use each time. This is a specification method similar to the PUCCH indication specified in NR.

[0049] The first method is more flexible than the second method, whereas the second method is easier to specify and requires less information to specify than the first method.

[0050] The terminal 20 may receive, via the PUSCH, a notification from the base station 10 as to whether or not it is possible to transmit signals other than HARQ-ACK (such as data (MAC-PDU) or MAC-CE including other information). Note that the MAC-PDU in this embodiment may be replaced with a MAC SDU.

[0051] Fig. 6 is a diagram illustrating a method for transmitting a HARQ-ACK according to option 1-1 of the first embodiment. As shown in Fig. 6, a terminal 20 may generate a HARQ-ACK based on a decoding result of a PDSCH and transmit the HARQ-ACK as an upper layer signal. The upper layer signal may be, for example, a MAC-CE.

[0052] Furthermore, base station 10 may use each DCI to instruct terminal 20 about information related to HARQ-ACK multiplexing (HARQ-ACK codebook generation). For example, base station 10 may instruct terminal 20 as to which PUSCH resource to multiplex or which multiplexing group to multiplex. Note that a method by which base station 10 instructs terminal 20 as to which multiplexing group to multiplex will be described later in a second embodiment.

[0053] Furthermore, terminal 20 may transmit HARQ-ACK transmissions instructed for the same time unit (for example, slot) via the same PUSCH.

[0054] Furthermore, terminal 20 may transmit the HARQ-ACK via the PUSCH resource indicated by the last DCI in terms of time or frequency among the multiplexed HARQ-ACKs.

[0055] According to option 1-1, multiplexing processing due to overlapping of physical channels used for HARQ-ACK is not required, and physical layer processing can be the same as that for PUSCH transmission related to data transmission, which simplifies the configuration of terminal 20.

[0056] <Option 1-2> Terminal 20 may transmit a scheduling request (SR) in a lower layer or an upper layer via the PUSCH.

[0057] 7 is a diagram illustrating an SR transmission method according to option 1-2 of embodiment 1. A PUSCH of a configured grant may be configured by the base station 10 as a resource for SR transmission in the terminal 20. That is, the base station 10 may configure a periodically scheduled PUSCH resource.

[0058] The terminal 20 may transmit a signal other than the SR (data (MAC-PDU), MAC-CE including other information, BSR, etc.) in addition to the SR or instead of the SR.

[0059] Terminal 20 does not need to assume that after an SR is transmitted, a retransmission of a PUSCH transmission related to the SR is instructed via DCI. In other words, a HARQ process number does not need to be assigned to a PUSCH transmission including an SR.

[0060] The terminal 20 may be capable of SR transmission by being configured by the base station 10 via RRC or the like, or may be capable of SR transmission by being instructed by the base station 10 via, for example, activation DCI, MAC-CE, etc.

[0061] The terminal 20 may have the MCS (Modulation Coding Scheme) for SR transmission set by the base station 10, may determine the MCS using a predetermined method, or may notify the MCS to the base station 10 using a predetermined method (e.g., a sequence of RS (Reference Signal)).

[0062] Furthermore, the PUSCH of the Configured grant may be configured as a resource for BSR transmission in terminal 20 by base station 10. That is, there may be no resource for SR transmission, and the SR itself may not be defined, and operation may start with BSR transmission when requesting a PUSCH resource.

[0063] The terminal 20 may transmit a signal other than the BSR (data (MAC-PDU), MAC-CE including other information, etc.) in addition to the BSR or instead of the BSR.

[0064] The terminal 20 may be capable of transmitting a BSR by being configured by the base station 10 via RRC or the like, or may be capable of transmitting a BSR by being instructed by the base station 10 via, for example, activation DCI, MAC-CE, etc.

[0065] The terminal 20 may have the MCS (Modulation Coding Scheme) for BSR transmission set by the base station 10, may determine the MCS using a predetermined method, or may notify the MCS to the base station 10 using a predetermined method (e.g., a sequence of RS (Reference Signal)).

[0066] According to option 1-2, multiplexing processing due to overlapping of physical channels used for SR or BSR is not required, and physical layer processing can be made equivalent to PUSCH transmission related to data transmission, thereby simplifying the configuration of terminal 20.

[0067] <Options 1-3> Terminal 20 may transmit CSI (Channel Status Information) in a lower layer or an upper layer via the PUSCH.

[0068] 8 is a diagram illustrating a CSI transmission method according to options 1 to 3 of the first embodiment. The PUSCH of the Configured grant may be configured by the base station 10 as a resource for CSI transmission in the terminal 20. That is, the base station 10 may configure a periodically scheduled PUSCH resource.

[0069] Terminal 20 may transmit a signal other than CSI (data (MAC-PDU), MAC-CE including other information, or BSR) in addition to or instead of CSI.

[0070] Terminal 20 does not need to assume that, after CSI transmission, a retransmission of a PUSCH transmission related to the CSI is instructed via DCI. That is, a HARQ process number does not need to be assigned to a PUSCH transmission including CSI.

[0071] The terminal 20 may be capable of transmitting CSI by being configured by the base station 10 via RRC or the like, or may be capable of transmitting CSI by being instructed by the base station 10 via, for example, activation DCI, MAC-CE, or the like.

[0072] The terminal 20 may have the MCS (Modulation Coding Scheme) for CSI transmission set by the base station 10, may determine the MCS using a predetermined method, or may notify the MCS to the base station 10 using a predetermined method (e.g., a sequence of RS (Reference Signal)).

[0073] Furthermore, terminal 20 may transmit CSI as a higher layer signal (for example, MAC-CE).

[0074] Furthermore, the terminal 20 may transmit aperiodic CSI reports to the base station 10 based on an instruction from the base station 10 via a higher layer (such as MAC-CE) or a lower layer (such as DCI).

[0075] According to options 1-3, multiplexing processing due to overlapping of physical channels used for CSI is not required, and physical layer processing can be made equivalent to PUSCH transmission related to data transmission, thereby simplifying the configuration of terminal 20.

[0076] <Options 1-4> Terminal 20 may transmit various UCIs (HARQ-ACK, SR, CSI, etc.) in a lower layer or an upper layer via the PUSCH.

[0077] 9 is a diagram illustrating a UCI transmission method according to options 1 to 4 of the first embodiment. The PUSCH of the Configured grant may be configured by the base station 10 in the terminal 20 as a resource usable for any UCI transmission. That is, the base station 10 may configure a periodically scheduled PUSCH resource as a resource usable for any UCI transmission (thus, as a resource whose use is not specified / limited to one type of UCI transmission).

[0078] Terminal 20 may transmit any of the HARQ-ACK, SR, and CSI signals via any configured resource, i.e., terminal 20 performs PUSCH transmission of the configured grant without channel collision.

[0079] The terminal 20 receives an instruction from the base station 10 of a predetermined time (e.g., slot) and / or cell for transmitting a HARQ-ACK corresponding to a scheduled PDSCH. The terminal 20 may then use a PUSCH transmission of a configured grant at the indicated time and / or cell for the HARQ-ACK transmission.

[0080] That is, the base station 10 does not need to give an explicit instruction via DCI to determine more detailed resources (for example, symbols, PRBs (Physical Resource Blocks) and the like) of the PUSCH.

[0081] When uplink data occurs and the PUSCH transmission of the Configured grant is insufficient for data transmission, the terminal 20 may use the PUSCH of the Configured grant for SR transmission.

[0082] Terminal 20 may periodically measure and acquire CSI, and when the difference between the previously transmitted CSI and the acquired CSI exceeds a predetermined threshold, transmit the CSI to base station 10. In other words, terminal 20 may not transmit CSI when the difference does not exceed the predetermined threshold.

[0083] Alternatively, terminal 20 may periodically measure and acquire CSI, and when the time elapsed since the previous CSI transmission exceeds a predetermined threshold, transmit the CSI to base station 10. In other words, terminal 20 does not need to transmit CSI when the elapsed time does not exceed the predetermined threshold.

[0084] Alternatively, terminal 20 may transmit CSI based on the decoding result of the PDSCH. That is, terminal 20 may transmit CSI when the radio wave reception condition is not good.

[0085] When multiple UCIs are to be transmitted, the terminal 20 may transmit all UCIs if the amount of resources is sufficient to transmit all the information, or may select some UCIs to transmit if this is not possible.

[0086] In this case, the priority order for selecting UCI may be predefined for terminal 20. For example, the priority order may be HARQ-ACK > SR > CSI, or SR > HARQ-ACK > CSI.

[0087] Terminal 20 may transmit the untransmitted UCI via another PUSCH (hereinafter referred to as PUSCH Y). In this case, terminal 20 may transmit information indicating that the untransmitted UCI will be transmitted on PUSCH Y and / or information related to the resource thereof via a PUSCH (hereinafter referred to as PUSCH X) including the selected UCI. Alternatively, terminal 20 may transmit information indicating that the UCI was not transmitted on PUSCH X and / or information related to the resource of PUSCH X via PUSCH Y including the untransmitted UCI.

[0088] The terminal 20 may transmit a signal other than UCI (data (MAC-PDU), MAC-CE including other information, or BSR) in addition to UCI or instead of UCI.

[0089] Terminal 20 does not need to assume that, after transmitting UCI, a retransmission of a PUSCH transmission related to that UCI will be instructed via DCI. In other words, a HARQ process number does not need to be assigned for a PUSCH transmission including UCI.

[0090] The terminal 20 may have the MCS (Modulation Coding Scheme) for UCI transmission set by the base station 10, may determine the MCS using a predetermined method, or may notify the MCS to the base station 10 using a predetermined method (e.g., a sequence of RS (Reference Signal)).

[0091] According to options 1-4, the terminal 20 can prepare a common channel for all UCIs and use that channel as a basic operation, thereby avoiding the complicated operations involved in multiplexing.

[0092] Example 2 In this embodiment, a method will be described in which the terminal 20 receives an instruction from the base station 10 as to which multiplexing group the uplink information should be multiplexed into, and multiplexes the uplink information.

[0093] Terminal 20 may multiplex at least one of UCI and uplink information other than UCI (data (MAC-PDU), MAC-CE including other information, etc.) based on a multiplexing group instruction. The multiplexing group instruction is an instruction received from base station 10 and indicates into which multiplexing group the information should be multiplexed.

[0094] 10 is a diagram illustrating a method for multiplexing uplink information according to a second embodiment. A terminal 20 multiplexes uplink information scheduled in at least one of a predetermined time unit (e.g., slot) and a frequency unit (e.g., cell) into the same PUSCH based on a multiplexing group instruction. That is, the terminal 20 may multiplex and transmit PUSCHs without channel collision.

[0095] Specifically, the multiplexing group indication includes a group identifier such as group 1, group 2, etc. Then, terminal 20 multiplexes information indicated for the same group into the same PUSCH. Here, as shown in Fig. 10, terminal 20 may multiplex information indicated for the same group regardless of whether there is overlap.

[0096] <Option 2-0: Multiple Groups> The maximum number of multiplex groups may be set for terminal 20 by base station 10. Base station 10 and terminal 20 may also determine the field size of DCI based on the setting. Furthermore, in DCI used for initial access, the number of multiplex groups may be a predetermined number of groups (for example, 1).

[0097] Terminal 20 does not need to assume that PUSCHs associated with different multiplex groups overlap in the time domain in the same cell. In other words, base station 10 issues a multiplex group indication so that PUSCHs associated with different multiplex groups do not overlap in the time domain in the same cell.

[0098] <Option 2-1: HARQ-ACK> The base station 10 may indicate the multiplexing group to the terminal 20 by each DCI that schedules the PDSCH, and the terminal 20 may receive the indication. The terminal 20 may generate a HARQ-ACK codebook for each multiplexing group.

[0099] <Option 2-2:SR> The base station 10 may set the multiplexing group of the SR in a setting in an upper layer, and the terminal 20 may receive the setting. Alternatively, which multiplexing group the SR belongs to may be defined in the specifications (for example, group 0).

[0100] <Option 2-3: CSI> Base station 10 may configure a CSI multiplexing group in a configuration in a higher layer, and terminal 20 may receive the configuration. Alternatively, which multiplexing group a CSI belongs to may be defined in the specifications (for example, group 0). Furthermore, base station 10 may specify the multiplexing group in DCI requesting CSI, and terminal 20 may receive the instruction.

[0101] Also, different methods may be used to set or specify multiple groups depending on the CSI reporting type (non-periodic, semi-permanent, periodic, etc.).

[0102] <Option 2-4: UL-SCH> Base station 10 may configure a multiplexing group for an uplink shared channel (UL-SCH) in a configuration in a higher layer, and terminal 20 may receive this configuration. Alternatively, which multiplexing group a UL-SCH belongs to may be defined in the specifications (for example, group 0). The configuration and definition may be performed in a predetermined unit, such as for each HARQ processing number, for each piece of information indicating priority, or for each piece of information related to PUSCH resources. Terminal 20 may also receive the specification of the multiplexing group via a UL grant.

[0103] Furthermore, different methods may be used to set or specify multiplexing groups for Dynamic grant PUSCH and Configured grant PUSCH.

[0104] <Option 2-5> When there are multiple DCIs corresponding to the multiplexed information, the terminal 20 may transmit the multiplexed information to the base station 10 using the PUSCH resource indicated by the last DCI of the time or frequency.

[0105] <Option 2-6> When there is no DCI corresponding to the multiplexed information, terminal 20 may transmit the multiplexed information to base station 10 using a predetermined PUSCH resource. In this case, terminal 20 may select a PUSCH resource according to a predetermined priority order. The priority order may be, for example, Configured grant PUSCH for UL-SCH > PUSCH for CSI > PUSCH for SR.

[0106] In this embodiment, the PUSCH may be replaced with a PUCCH. In the case of a PUCCH, the terminal 20 may also multiplex and transmit uplink information without causing channel collision.

[0107] This embodiment may be combined with the first embodiment.

[0108] The terminal 20 according to this embodiment can avoid complex processing related to multiplexing in the terminal by the base station 10 issuing an explicit multiplexing instruction.

[0109] Example 3 In this embodiment, an example will be described in which the terminal 20 simultaneously transmits multiple pieces of uplink information via the same time resource.

[0110] The terminal 20 may transmit "multiple PUCCHs" or "PUCCH and PUSCH" simultaneously via the same time resource.

[0111] <Option 3-1> Terminal 20 may simultaneously transmit "multiple PUCCHs" or "PUCCH and PUSCH" in a certain frequency unit (for example, CC or cell, hereinafter referred to as cell). In other words, terminal 20 simultaneously transmits without multiplexing when collision occurs in the time domain.

[0112] Terminal 20 may aggregate HARQ-ACK for each cell (generate a HARQ-ACK codebook for each cell) without multiplexing it with SR or CSI. That is, terminal 20 may simultaneously transmit at least one of the four PUCCHs for HARQ-ACK, PUCCH for SR, PUCCH for CSI, and PUSCH in a certain cell.

[0113] <Option 3-2> The terminal 20 may transmit "multiple PUCCHs" or "PUCCH and PUSCH" simultaneously across multiple cells.

[0114] Terminal 20 does not need to perform simultaneous transmission in each cell. Therefore, terminal 20 performs multiplexing in each cell when there is a collision in the time domain. Alternatively, regardless of whether there is a collision in the time domain, multiplexing based on the multiplexing group of the second embodiment, for example, may be performed in each cell. Here, "each cell" may be replaced with "a group of cells with the same numerology."

[0115] Terminal 20 may be capable of PUCCH transmission in all cells, and may generate a HARQ-ACK codebook for each cell. A PUCCH for SR and CSI transmission may be configured for each cell.

[0116] The base station 10 may schedule a PUCCH in the same cell according to the DCI that allocates the PDSCH. The terminal 20 may transmit a HARQ-ACK corresponding to the PDSCH in the cell associated with the PUCCH. This operation may be performed in any cell.

[0117] Furthermore, base station 10 may indicate the cell for scheduling the PUCCH by using DCI for allocating the PDSCH. Terminal 20 may transmit the HARQ-ACK corresponding to the PDSCH in the cell associated with the PUCCH. Here, it may be specified whether to transmit in a predetermined cell (for example, an SpCell or a PUCCH SCell) or in the same cell.

[0118] <Option 3-3> The terminal 20 may assume that whether to perform option 3-1 or option 3-2 is configured or notified by the base station 10. Here, the configured or notified information may be explicit, or may be implicit, i.e., information that is indirectly configured or notified by other information.

[0119] According to this embodiment, multiple operations of the terminal 20 due to a collision can be minimized, and the configuration of the terminal 20 can be simplified.

[0120] 11 is a diagram illustrating simultaneous transmission of uplink information according to Example 3. According to option 3-1, even if multiple HARQ-ACKs collide in the time domain, they are simultaneously transmitted in the same cell. According to option 3-2, when multiple HARQ-ACKs collide in the time domain, they are multiplexed in the same cell, and when they span cells, they are simultaneously transmitted without multiplexing.

[0121] The terminal 20 may notify the base station 10 of capability information indicating whether or not the terminal 20 supports the operations of each of the above-described embodiments. The base station 10 may perform configuration or instructions to the terminal 20 based on the notified capability information.

[0122] (Device configuration) Next, a description will be given of an example of the functional configuration of the base station 10 and the terminal 20 that execute the processes and operations described above. The base station 10 and the terminal 20 include functions for executing the above-described embodiments. However, the base station 10 and the terminal 20 may each include only the functions proposed in any of the embodiments.

[0123] <Base station 10> Fig. 12 is a diagram showing an example of the functional configuration of a base station. As shown in Fig. 12, 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 Fig. 12 is merely an example. The names of the functional divisions and functional units may be any as long as they can perform the operations related to the embodiment of the present invention. The transmitting unit 110 and the receiving unit 120 may be called a communication unit.

[0124] The transmitter 110 has a function of generating a signal to be transmitted to the terminal 20 and transmitting the signal wirelessly. The receiver 120 has a function of receiving various signals transmitted from the terminal 20 and acquiring, for example, information of a higher layer from the received signal. The transmitter 110 also has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals, DL data, etc. to the terminal 20. The transmitter 110 also transmits the setting information, etc., described in the embodiments.

[0125] The setting unit 130 stores preset setting information and various setting information to be transmitted to the terminal 20 in a storage device, and reads out the information from the storage device as needed. The control unit 140 performs, for example, overall control of the base station 10, including control related to signal transmission and reception. Note that the functional unit related to signal transmission in the control unit 140 may be included in the transmitting unit 110, and the functional unit related to signal reception in the control unit 140 may be included in the receiving unit 120. Furthermore, the transmitting unit 110 and the receiving unit 120 may be called a transmitter and a receiver, respectively.

[0126] <Terminal 20> Fig. 13 is a diagram showing an example of the functional configuration of a terminal. As shown in Fig. 13, 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 Fig. 13 is merely an example. As long as the operations related to the embodiment of the present invention can be performed, the names of the functional divisions and functional units may be any. The transmitting unit 210 and the receiving unit 220 may be called a communication unit.

[0127] The transmitter 210 creates a transmission signal from the transmission data and transmits the transmission signal wirelessly. The receiver 220 receives various signals wirelessly and acquires higher layer signals from the received physical layer signals. The transmitter 210 also transmits HARQ-ACK, and the receiver 220 receives the setting information and the like described in the embodiments.

[0128] The setting unit 230 stores various setting information received from the base station 10 by the receiving unit 220 in a storage device, and reads it out from the storage device as needed. The setting unit 230 also stores setting information that is set in advance. The control unit 240 performs overall control of the terminal 20, including control related to signal transmission and reception. Note that the functional unit related to signal transmission in the control unit 240 may be included in the transmitting unit 210, and the functional unit related to signal reception in the control unit 240 may be included in the receiving unit 220. The transmitting unit 210 and the receiving unit 220 may also be called a transmitter and a receiver, respectively.

[0129] The terminal of this embodiment may be configured as the terminals shown in the following items, and may implement the following communication methods.

[0130] <Configuration of this embodiment> (Section 1) a control unit that controls the transmission of multiple pieces of uplink information simultaneously via the same time resource; a transmitter that simultaneously transmits the plurality of pieces of uplink information via the same time resource, Terminal. (Section 2) the control unit controls the transmission of a plurality of uplink control channels or the transmission of an uplink control channel and an uplink shared channel simultaneously via the same time resource included in a specific frequency unit. 1. The terminal described in paragraph 1. (Section 3) the control unit controls the plurality of pieces of uplink information to be simultaneously transmitted over a plurality of specific frequency units via the same time resource. 1. The terminal described in paragraph 1. (Section 4) the control unit, when transmissions of the plurality of pieces of uplink information collide in the time domain within any one specific frequency unit among the plurality of specific frequency units, controls to multiplex and simultaneously transmit the plurality of pieces of uplink information within the one specific frequency unit, and when transmissions of the plurality of pieces of uplink information do not collide in the time domain within any one specific frequency unit among the plurality of specific frequency units, controls to simultaneously transmit the plurality of pieces of uplink information without multiplexing. 3. The terminal described in paragraph 3. (Section 5) controlling the plurality of pieces of uplink information to be simultaneously transmitted via the same time resource; and transmitting the plurality of pieces of uplink information simultaneously via the same time resource. The communication method implemented by the device.

[0131] Any of the above configurations provides a technique that makes it possible to easily implement a terminal related to transmission of uplink information. According to the second clause, multiple uplink control channels or an uplink control channel and an uplink shared channel can be transmitted simultaneously using the same time resource. According to the third clause, multiple pieces of uplink information can be transmitted simultaneously over multiple frequency units using the same time resource. According to the fourth clause, When multiple pieces of uplink information collide in the time domain, they are multiplexed within the same cell, and when they span multiple cells, they can be transmitted simultaneously without multiplexing.

[0132] (Hardware configuration) The block diagrams (FIGS. 12 and 13) used in the description of the above embodiments show functional blocks. 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 a single device that is physically or logically coupled, or may be realized using two or more physically or logically separated devices that are directly or indirectly connected (for example, using wires, wirelessly, etc.) and these multiple devices. The functional block may be realized by combining the single device or the multiple devices with software.

[0133] Functions include, but are not limited to, judgment, determination, judgment, calculation, computation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, election, establishment, comparison, assumption, expectation, consideration, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocation, mapping, and assignment. For example, a functional block (component) that performs transmission is called a transmitting unit or transmitter. As mentioned above, there are no particular limitations on how these functions are implemented.

[0134] For example, the base station 10, the terminal 20, etc. according to an embodiment of the present disclosure may function as a computer that performs processing of the wireless communication method of the present disclosure. Fig. 15 is a diagram illustrating an example of the hardware configuration of the base station 10 and the terminal 20 according to an embodiment of the present disclosure. The base station 10 and the terminal 20 described above may be physically configured as a computer device including a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, etc.

[0135] In the following description, the term "apparatus" can be read as a circuit, a device, a unit, etc. The hardware configuration of the base station 10 and the terminal 20 may be configured to include one or more of the apparatuses shown in the drawings, or may be configured to exclude some of the apparatuses.

[0136] Each function in the base station 10 and the terminal 20 is realized by loading predetermined software (programs) onto hardware such as the processor 1001, the memory device 1002, etc., so that the processor 1001 performs calculations, controls communication by the communication device 1004, and controls at least one of reading and writing data in the memory device 1002 and the auxiliary memory device 1003.

[0137] The processor 1001 controls the entire computer by running, for example, an operating system. The processor 1001 may be configured as a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic unit, a register, etc. For example, the above-mentioned control unit 140, control unit 240, etc. may be realized by the processor 1001.

[0138] Furthermore, the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the auxiliary storage device 1003 and the communication device 1004 into the storage device 1002, and executes various processes in accordance with the programs. The programs used are those that cause a computer to execute at least some of the operations described in the above-described embodiments. For example, the control unit 140 of the base station 10 shown in FIG. 12 may be implemented by a control program stored in the storage device 1002 and running on the processor 1001. Furthermore, for example, the control unit 240 of the terminal 20 shown in FIG. 13 may be implemented by a control program stored in the storage device 1002 and running on the processor 1001. While the above-described various processes have been described as being executed by one processor 1001, they may also be executed simultaneously or sequentially by two or more processors 1001. The processor 1001 may be implemented by one or more chips. The programs may be transmitted from a network via a telecommunications line.

[0139] The storage device 1002 is a computer-readable recording medium and may be configured, for example, by at least one of a read-only memory (ROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EEPROM), a random access memory (RAM), etc. The storage device 1002 may also be called a register, a cache, a main memory, etc. The storage device 1002 can store executable programs (program codes), software modules, etc. for implementing a communication method according to an embodiment of the present disclosure.

[0140] The secondary storage device 1003 is a computer-readable recording medium, and may be, for example, at least one of an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (e.g., a compact disk, a digital versatile disk, a Blu-ray disc), a smart card, a flash memory (e.g., a card, a stick, a key drive), a floppy disk, a magnetic strip, etc. The above-mentioned storage medium may be, for example, a database, a server, or other suitable medium including at least one of the storage device 1002 and the secondary storage device 1003.

[0141] The communication device 1004 is hardware (transmission / reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, for example, a network device, a network controller, a network card, or a communication module. The communication device 1004 may be configured to include a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc. to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). For example, a transmission / reception antenna, an amplifier unit, a transmission / reception unit, a transmission path interface, etc. may be realized by the communication device 1004. The transmission / reception unit may be implemented as a transmission unit and a reception unit that are physically or logically separated.

[0142] The input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that receives input from the outside. The output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that outputs to the outside. The input device 1005 and the output device 1006 may be integrated into one device (for example, a touch panel).

[0143] 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 may be configured using different buses between each device.

[0144] Furthermore, base station 10 and terminal 20 may be configured to include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), or a field programmable gate array (FPGA), and some or all of the functional blocks may be realized by the hardware. For example, processor 1001 may be implemented using at least one of these pieces of hardware.

[0145] Fig. 16 shows an example configuration of a vehicle 2001. As shown in Fig. 16, 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. Each aspect / embodiment described in the present disclosure may be applied to a communication device mounted on the vehicle 2001, and may be applied to the communication module 2013, for example.

[0146] The drive unit 2002 is configured, for example, by 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 operated by the user.

[0147] The electronic control unit 2010 is composed of a microprocessor 2031, a memory (ROM, RAM) 2032, and a communication port (IO port) 2033. Signals are input to the electronic control unit 2010 from various sensors 2021 to 2029 provided in the vehicle 2001. The electronic control unit 2010 may also be called an ECU (Electronic Control Unit).

[0148] The signals from the various sensors 2021 to 2029 include a current signal from a current sensor 2021 that senses the current of the motor, a rotation speed signal of the front and rear wheels obtained by a rotation speed sensor 2022, an air pressure signal of the front and rear wheels obtained by an air pressure sensor 2023, a vehicle speed signal obtained by a vehicle speed sensor 2024, an acceleration signal obtained by an acceleration sensor 2025, an accelerator pedal depression amount signal obtained by an accelerator pedal sensor 2029, a brake pedal depression amount signal obtained by a brake pedal sensor 2026, a shift lever operation signal obtained by a shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. obtained by an object detection sensor 2028.

[0149] The information service unit 2012 is composed of various devices, such as a car navigation system, an audio system, speakers, a television, and a radio, for providing various types of information such as driving information, traffic information, and entertainment information, and one or more ECUs for controlling these devices. The information service unit 2012 uses information obtained from external devices via the communication module 2013, etc., to provide various types of multimedia information and multimedia services to the occupants of the vehicle 2001.

[0150] The driving assistance system unit 2030 is composed of various devices that provide functions for preventing accidents and reducing the driver's driving burden, such as a millimeter-wave radar, a LiDAR (Light Detection and Ranging), a camera, a positioning locator (e.g., GNSS, etc.), map information (e.g., high-definition (HD) map, autonomous vehicle (AV) map, etc.), a gyro system (e.g., an IMU (Inertial Measurement Unit), an INS (Inertial Navigation System), etc.), an AI (Artificial Intelligence) chip, and an AI processor, as well as one or more ECUs that control these devices. The driving assistance system unit 2030 also transmits and receives various information via the communication module 2013 to realize the driving assistance function or the autonomous driving function.

[0151] The communication module 2013 can communicate with the microprocessor 2031 and components of the vehicle 2001 via the communication port. For example, the communication module 2013 transmits and receives data via the communication port 2033 to and from the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, front wheels 2007, rear wheels 2008, axle 2009, microprocessor 2031 and memory (ROM, RAM) 2032 in the electronic control unit 2010, and sensors 2021 to 29, which are provided in the vehicle 2001.

[0152] 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 an external device. For example, it transmits and receives various information to and from the external device 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, a mobile station, or the like.

[0153] The communication module 2013 transmits, via wireless communication to an external device, a current signal from the current sensor that is input to the electronic control unit 2010. The communication module 2013 also transmits, via wireless communication to an external device, the rotation speed signals of the front and rear wheels acquired by a rotation speed sensor 2022, the air pressure signals of the front and rear wheels acquired by an air pressure sensor 2023, the vehicle speed signal acquired by a vehicle speed sensor 2024, the acceleration signal acquired by an acceleration sensor 2025, the accelerator pedal depression amount signal acquired by an accelerator pedal sensor 2029, the brake pedal depression amount signal acquired by a brake pedal sensor 2026, the shift lever operation signal acquired by a shift lever sensor 2027, and the detection signals for detecting obstacles, vehicles, pedestrians, etc. acquired by an object detection sensor 2028, which are input to the electronic control unit 2010.

[0154] The communication module 2013 receives various information (traffic information, traffic signal information, inter-vehicle information, etc.) transmitted from external devices and displays it on an information service unit 2012 provided in the vehicle 2001. The communication module 2013 also stores the various information received from the external devices in a memory 2032 that can be used by the microprocessor 2031. Based on the information stored in the 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, axle 2009, sensors 2021 to 2029, etc. provided in the vehicle 2001.

[0155] (Supplementary explanation of the embodiment) Although the 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, and substitutions. While specific numerical examples have been used to facilitate understanding of the invention, 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; two or more items may be combined as needed, and items described in one item may apply to items described in another item (unless inconsistent). The boundaries between functional units or processing units in the functional block diagram do not necessarily correspond to the boundaries between physical components. The operations of multiple functional units may be performed by a single physical component, or the operations of a single functional unit may be performed by multiple physical components. The order of the processing steps described in the embodiments may be reversed as long as there is no contradiction. For convenience of processing description, the base station 10 and terminal 20 have been described using functional block diagrams. However, such devices may be implemented using hardware, software, or a combination thereof. The software operated by the processor of the base station 10 in accordance with an embodiment of the present invention and the software operated by the processor of the terminal 20 in accordance with an embodiment of the present invention may each 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.

[0156] Furthermore, the notification of information is not limited to the aspects / embodiments described in the present disclosure, and may be performed using other methods. For example, the notification of information may be performed by physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), higher layer signaling (e.g., Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB)), other signals, or a combination thereof. Furthermore, the RRC signaling may be referred to as an RRC message, and may be, for example, an RRC Connection Setup message, an RRC Connection Reconfiguration message, or the like.

[0157] Each aspect / embodiment described in the present disclosure may be any of the following: LTE (Long Term Evolution), LTE-Advanced (LTE-A), 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 (x is, for example, an integer or decimal number)), FRA (Future Radio Access), NR (new Radio), New radio access (NX), Future generation radio access (FX), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE The present invention may be applied to at least one of systems using 802.20, UWB (Ultra-Wideband), Bluetooth (registered trademark), or other appropriate systems, and next-generation systems that are extended, modified, created, or defined based on these systems. The present invention may also be applied to a combination of multiple systems (e.g., a combination of at least one of LTE and LTE-A with 5G).

[0158] The order of the procedures, sequences, flowcharts, etc. of each aspect / embodiment described herein may be changed unless it is consistent. For example, the methods described in this disclosure present elements of various steps using an example order and are not limited to the particular order presented.

[0159] In this specification, a specific operation that is described as being performed by the base station 10 may also be performed by its upper node in some cases. In a network consisting of one or more network nodes having the base station 10, it is clear that various operations performed for communication with the terminal 20 may be performed by at least one of the base station 10 and another network node other than the base station 10 (such as, but not limited to, an MME or an S-GW). Although the above example illustrates a case where there is one other network node other than the base station 10, the other network node may be a combination of multiple other network nodes (such as an MME and an S-GW).

[0160] The information or signals described in the present disclosure may be output from a higher layer (or a lower layer) to a lower layer (or a higher layer), or may be input / output via multiple network nodes.

[0161] Input and output information may be stored in a specific location (for example, memory) or may be managed using a management table. Input and output information may be overwritten, updated, or added to. Output information may be deleted. Input information may be sent to another device.

[0162] In the present disclosure, the determination may be made based on a value represented by one bit (0 or 1), a Boolean value (true or false), or a numerical comparison (e.g., comparison with a predetermined value).

[0163] Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.

[0164] Software, instructions, information, etc. may also be transmitted or received over a transmission medium. For example, if software is transmitted from a website, server, or other remote source using wired technologies (such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL)), and / or wireless technologies (such as infrared, microwave), then these wired and / or wireless technologies are included within the definition of transmission media.

[0165] The information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies. For example, data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description may be represented by voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination thereof.

[0166] Note that terms explained 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 a channel and a symbol may be a signal (signaling). Furthermore, a signal may be a message. Furthermore, a component carrier (CC) may be called a carrier frequency, a cell, a frequency carrier, etc.

[0167] As used in this disclosure, the terms "system" and "network" are used interchangeably.

[0168] Furthermore, the information, parameters, etc. described in the present disclosure may be expressed using absolute values, may be expressed using relative values ​​from a predetermined value, or may be expressed using other corresponding information. For example, a radio resource may be indicated by an index.

[0169] The names used for the above-described parameters are not intended to be limiting in any way. Furthermore, the mathematical expressions using these parameters may differ from those explicitly disclosed in this disclosure. The various channels (e.g., PUCCH, PDCCH, etc.) and information elements may be identified by any suitable names, and therefore the various names assigned to these various channels and information elements are not intended to be limiting in any way.

[0170] In this disclosure, terms such as "base station (BS)," "radio 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.

[0171] A base station can accommodate one or more (e.g., three) cells. When a base station accommodates multiple cells, the overall coverage area of ​​the base station can be divided into multiple smaller areas, and each smaller area can be provided with communication service by a base station subsystem (e.g., a small indoor base station (RRH: Remote Radio Head)). The term "cell" or "sector" refers to a part or the entire coverage area of ​​a base station and / or base station subsystem that provides communication service within this coverage.

[0172] In this disclosure, the terms "Mobile Station (MS)," "user terminal," "User Equipment (UE)," "terminal," etc. may be used interchangeably.

[0173] 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 some other suitable terminology.

[0174] At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a communication device, etc. At least one of the base station and the mobile station may be a device mounted on a mobile body, or the mobile body itself. The mobile body may be a vehicle (e.g., a car, an airplane, etc.), an unmanned mobile body (e.g., a drone, an autonomous vehicle, etc.), or a robot (manned or unmanned). At least one of the base station and the mobile station may also 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.

[0175] Furthermore, a base station in the present disclosure may be read as a user terminal. For example, the aspects / embodiments of the present disclosure may be applied to a configuration in which communication between a base station and a user terminal is replaced with communication between a plurality of terminals 20 (which may be called, for example, D2D (Device-to-Device) or V2X (Vehicle-to-Everything)). In this case, the terminal 20 may be configured to have the functions of the base station 10 described above. Furthermore, terms such as "uplink" and "downlink" may be read as terms corresponding to terminal-to-terminal communication (for example, "side"). For example, terms such as an uplink channel and a downlink channel may be read as a side channel.

[0176] Similarly, the user terminal in the present disclosure may be read as a base station, in which case the base station may be configured to have the functions of the user terminal described above.

[0177] As used in this disclosure, the terms "determining" and "determining" may encompass a wide variety of actions. "Determining" and "determining" may include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiring (e.g., searching in a table, database, or other data structure), ascertaining, and the like. "Determining" and "determining" may also include receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, accessing (e.g., accessing data in memory), and the like. Furthermore, "judgment" and "decision" can include regarding resolving, selecting, choosing, establishing, comparing, etc. as having been "judged" or "decided." In other words, "judgment" and "decision" can include regarding some action as having been "judged" or "decided." Furthermore, "judgment (decision)" can be interpreted as "assuming," "expecting," "considering," etc.

[0178] The terms "connected," "coupled," or any variation thereof, refer to 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" to each other. The coupling or connection between elements may be physical, logical, or a combination thereof. For example, "connected" may be read as "access." As used in this disclosure, two elements may be considered to be "connected" or "coupled" to each other using one or more wires, cables, and / or printed electrical connections, as well as electromagnetic energy having wavelengths in the radio frequency range, microwave range, and optical (both visible and invisible) range, as some non-limiting and non-exhaustive examples.

[0179] The reference signal may be abbreviated as RS (Reference Signal) or may be called a pilot depending on the applicable standard.

[0180] As used in this disclosure, the phrase "based on" does not mean "based only on," unless expressly stated otherwise. In other words, the phrase "based on" means both "based only on" and "based at least on."

[0181] As used in this disclosure, any reference to an element using a designation such as "first," "second," etc. does not generally limit the quantity or order of those elements. These designations may be used in this disclosure as a convenient method of distinguishing between two or more elements. Thus, a reference to a first and a second element does not imply that only two elements may be employed or that the first element must in some way precede the second element.

[0182] The "means" in the configuration of each of the above devices may be replaced with "part," "circuit," "device," etc.

[0183] When used in this disclosure, the terms "include," "including," and variations thereof are intended to be inclusive, similar to the term "comprising." Furthermore, when used in this disclosure, the term "or" is not intended to be an exclusive or.

[0184] A radio frame may be composed of one or more frames in the time domain. Each of the one or more frames in the time domain may be called a subframe. A subframe may further be composed 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.

[0185] Numerology may be communication parameters that apply to at least one of transmission and reception of a signal or channel, such as subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame structure, specific filtering operations performed by the transceiver in the frequency domain, and specific windowing operations performed by the transceiver in the time domain.

[0186] A slot may be composed of one or more symbols (such as an Orthogonal Frequency Division Multiplexing (OFDM) symbol or a Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol) in the time domain. A slot may be a time unit based on numerology.

[0187] A slot may include multiple minislots. Each minislot may consist of one or multiple symbols in the time domain. A minislot may also be called a subslot. A minislot 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.

[0188] The radio frame, subframe, slot, minislot, and symbol all represent time units for transmitting signals, and may be referred to by other names corresponding to the radio frame, subframe, slot, minislot, and symbol.

[0189] 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 minislot may be called a TTI. That is, at least one of the subframe and the TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (for example, 1-13 symbols), or a period longer than 1 ms. Note that the unit representing the TTI may be called a slot, minislot, etc. instead of a subframe.

[0190] Here, TTI refers to, for example, the smallest time unit for scheduling in wireless communication. For example, in an LTE system, a base station performs scheduling to allocate wireless resources (such as frequency bandwidth and transmission power that can be used by each terminal 20) to each terminal 20 in TTI units. Note that the definition of TTI is not limited to this.

[0191] The TTI may be a transmission time unit for a channel-encoded data packet (transport block), a code block, a code word, etc., or may be a processing unit for scheduling, link adaptation, etc. When a TTI is given, the time interval (e.g., the number of symbols) to which a transport block, a code block, a code word, etc. is actually mapped may be shorter than the TTI.

[0192] When one slot or one minislot is called a TTI, one or more TTIs (i.e., one or more slots or one or more minislots) may be the minimum time unit for scheduling. Also, the number of slots (minislots) constituting the minimum time unit for scheduling may be controlled.

[0193] A TTI having a time length of 1 ms may be called a regular TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, regular subframe, normal subframe, long subframe, slot, etc. A TTI shorter than a regular TTI may be called a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.

[0194] In addition, a long TTI (e.g., a normal TTI, a subframe, etc.) may be interpreted as a TTI having a time length of more than 1 ms, and a short TTI (e.g., a shortened TTI, etc.) may be interpreted as a TTI having a TTI length shorter than the TTI length of a long TTI and equal to or greater than 1 ms.

[0195] A resource block (RB) is a resource allocation unit in the time domain and frequency domain, and may include one or more consecutive subcarriers in the frequency domain. The number of subcarriers included in an RB may be the same regardless of numerology, for example, 12. The number of subcarriers included in an RB may also be determined based on numerology.

[0196] The time domain of an RB may include one or more symbols and may have a length of one slot, one minislot, one subframe, or one TTI. One TTI, one subframe, etc. may each be composed of one or more resource blocks.

[0197] Note that one or more RBs may also be called a physical resource block (PRB), a sub-carrier group (SCG), a resource element group (REG), a PRB pair, an RB pair, or the like.

[0198] Furthermore, a resource block may be composed of one or more resource elements (REs). For example, one RE may be a radio resource region of one subcarrier and one symbol.

[0199] A Bandwidth Part (BWP) (which may also be referred to as a fractional bandwidth) may represent a subset of contiguous common resource blocks (RBs) for a given numerology on a given carrier, where the common RBs may be identified by their index relative to a common reference point of the carrier. PRBs may be defined in a given BWP and numbered within that BWP.

[0200] The BWP may include a BWP for UL (UL BWP) and a BWP for DL ​​(DL BWP). One or more BWPs may be set for the terminal 20 within one carrier.

[0201] At least one of the configured BWPs may be active, and the terminal 20 may not expect to transmit or receive a predetermined signal / channel outside the active BWP. Note that the terms "cell," "carrier," and the like in this disclosure may be read as "BWP."

[0202] The above-described structures of radio frames, subframes, slots, minislots, symbols, etc. are merely examples. For example, the number of subframes included in a radio frame, the number of slots per subframe or radio 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, the number of symbols in a TTI, the symbol length, the cyclic prefix (CP) length, etc. may be changed in various ways.

[0203] In this disclosure, where articles are added by translation, such as a, an, and the in English, the disclosure may include that the nouns following these articles are in the plural form.

[0204] In the present 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 "coupled" may also be interpreted in the same way as "different."

[0205] Each aspect / embodiment described in this disclosure may be used alone, in combination, or switched depending on the implementation. Furthermore, notification of predetermined information (e.g., notification that "X is true") is not limited to being done explicitly, but may be done implicitly (e.g., by not notifying the predetermined information).

[0206] Although the present disclosure has been described in detail above, it is 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 spirit and scope of the present disclosure as defined by the claims. Therefore, the description of the present disclosure is intended to be illustrative and does not have any limiting meaning on the present disclosure. [Explanation of symbols]

[0207] 10 base station 110 Transmitter 120 Receiver 130 Setting section 140 Control Unit 20 terminals 210 Transmitter 220 Receiving unit 230 Setting Section 240 Control Unit 30 Core Network 1001 processor 1002 Storage device 1003 Auxiliary storage device 1004 Communication equipment 1005 Input Device 1006 Output Device 2001 Vehicle 2002 Drive unit 2003 Steering Section 2004 accelerator pedal 2005 brake pedal 2006 Shift Lever 2007 front wheel 2008 rear wheel 2009 Axle 2010 Electronic Control Unit 2012 Information Services Department 2013 Communication Module 2021 Current Sensor 2022 RPM 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 Assistance Systems Department 2031 microprocessor 2032 memory (ROM, RAM) 2033 Communication port (IO port)

Claims

1. a control unit that controls the transmission of multiple pieces of uplink information simultaneously via the same time resource; a transmitter that simultaneously transmits the plurality of pieces of uplink information via the same time resource, Terminal.

2. the control unit controls the transmission of a plurality of uplink control channels or the transmission of an uplink control channel and an uplink shared channel simultaneously via the same time resource included in a specific frequency unit. The terminal according to claim 1 .

3. the control unit controls the plurality of pieces of uplink information to be simultaneously transmitted over a plurality of specific frequency units via the same time resource. The terminal according to claim 1 .

4. the control unit, when transmissions of the plurality of pieces of uplink information collide in the time domain within any one specific frequency unit among the plurality of specific frequency units, controls to multiplex and simultaneously transmit the plurality of pieces of uplink information within the one specific frequency unit, and when transmissions of the plurality of pieces of uplink information do not collide in the time domain within any one specific frequency unit among the plurality of specific frequency units, controls to simultaneously transmit the plurality of pieces of uplink information without multiplexing. The terminal according to claim 3.

5. controlling the plurality of pieces of uplink information to be simultaneously transmitted via the same time resource; and transmitting the plurality of pieces of uplink information simultaneously via the same time resource. The communication method implemented by the device.

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