Base Station Device and User Device

Abstract

The base station apparatus has a transmission unit that transmits setting information indicating whether both a first start signal and a second start signal are configured for one resource used to configure a start signal. The start signal serves as a trigger for monitoring a paging occasion. The setting information implicitly indicates settings other than the setting of configuring both the first start signal and the second start signal for the resource.

Description

Technical Field

[0001] The present invention relates to a base station device and a user device in a wireless communication system. Background Art

[0002] In 3GPP (3rd Generation Partnership Project), in order to further increase system capacity, further increase data transmission speed, and further reduce latency in a wireless section, research has been conducted on a wireless communication method called 5G or NR (New Radio) (hereinafter, this wireless communication method will be referred to as "NR").

[0003] In addition, in 3GPP, regarding technologies for IoT, extensions based on LTE are being studied. For example, for the purpose of power saving of IoT-UE (NB-IoT / eMTC), WUS (which can also be called Wake-up signal) has been introduced in Rel.15 LTE-IoT (for example, Non-Patent Document 1).

[0004] Prior Art Documents

[0005] Non-Patent Documents

[0006] Non-Patent Document 1: 3GPP TS 36.211 V15.4.0 (2018-12) Summary of the Invention

[0007] Problems to be Solved by the Invention

[0008] In Rel.16, it is envisaged that by dividing the UE into multiple groups and configuring WUS for each UE group, UE-group WUS that supports suppressing unnecessary wake-up is supported.

[0009] Regarding the resources (time resources, frequency resources, or time-frequency resources) for transmitting (receiving from the UE's perspective) WUS, compared with the fixed configuration method, flexible configuration is desired. In addition, regarding whether the WUS of Rel.15 (conventional WUS) and the WUS of Rel.16 coexist in the same resource, flexible setting is also desired. However, no specific network signaling scheme that can perform these settings has been proposed yet.

[0010] The present invention has been completed in view of the above circumstances, and an object thereof is to provide a technique capable of effectively performing signaling related to resources for configuring a start signal in a wireless communication network that monitors a paging opportunity as a trigger.

[0011] Means for solving the problem

[0012] According to the disclosed technology, a base station apparatus is provided, wherein the base station apparatus has:

[0013] A transmitting unit that transmits setting information indicating whether both a first start signal and a second start signal are configured for one resource used to configure a start signal, and the start signal becomes a trigger for monitoring a paging occasion

[0014] The setting information implicitly indicates a setting other than the setting of configuring both the first start signal and the second start signal for the resource

[0015] According to the disclosed technology, a base station is provided, wherein the base station has:

[0016] A transmitting unit that transmits setting information related to a start signal that becomes a trigger for monitoring a paging occasion; and

[0017] A control unit that determines a multiplexing method between the number of terminal groups receiving the start signal and the resources for configuring the start signal, which is implicitly indicated by the setting information

[0018] The setting information includes information indicating whether both a start signal of version 15 and a start signal of version 16 are configured in the resources for configuring the start signal

[0019] According to the disclosed technology, a terminal is provided, wherein the terminal has:

[0020] A receiving unit that receives setting information, the setting information including information indicating whether both a start signal of version 15 and a start signal of version 16 are configured in one resource for configuring a start signal that becomes a trigger for monitoring a paging occasion; and

[0021] A control unit that determines a multiplexing method between the resources for configuring the start signal, which is implicitly indicated by the setting information

[0022] According to the disclosed technology, a communication system is provided, the communication system having a base station and a terminal, wherein

[0023] The base station has:

[0024] A transmitting unit that transmits setting information to the terminal, the setting information including information indicating whether both a start signal of version 15 and a start signal of version 16 are configured in one resource for configuring a start signal that becomes a trigger for monitoring a paging occasion; and

[0025] A control unit that determines a multiplexing method between resources that configure the start signal, implicitly represented based on the setting information.

[0026] The terminal has:

[0027] A receiving unit that receives the setting information from a base station; and

[0028] A control unit that determines a multiplexing method between resources that configure the start signal, implicitly represented based on the setting information.

[0029] According to the disclosed technology, a communication method for a base station is provided, which includes the following steps:

[0030] Transmit setting information, the setting information including information indicating whether both a version 15 start signal and a version 16 start signal are configured in one resource of the start signal used to configure the trigger for monitoring the paging occasion; and

[0031] Determine a multiplexing method between resources that configure the start signal, implicitly represented based on the setting information.

[0032] Advantageous Effects of the Invention

[0033] According to the disclosed technology, a technique is provided that can effectively perform signaling related to resources that configure a start signal in a wireless communication network that transmits a start signal that constitutes a trigger for monitoring a paging occasion. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a diagram for explaining a wireless communication system in an embodiment of the present invention.

[0035] Figure 2 is a diagram for explaining Rel.15 WUS.

[0036] Figure 3 is a diagram for explaining Rel.15 WUS.

[0037] Figure 4 is a diagram for explaining WUS.

[0038] Figure 5 is a diagram for explaining WUS.

[0039] Figure 6 is a diagram showing an example of resource allocation of WUS.

[0040] Figure 7 is a diagram showing an example of resource allocation of WUS.

[0041] Figure 8 is a diagram showing an example of resource allocation of WUS.

[0042] Figure 9 It is a diagram showing an example of resource allocation of WUS.

[0043] Figure 10 It is a diagram showing an example of resource allocation of WUS.

[0044] Figure 11 It is a diagram showing an example of resource allocation of WUS.

[0045] Figure 12 It is a diagram showing an example of resource allocation of WUS.

[0046] Figure 13 It is a diagram showing a timing example of WUS monitoring for user equipment 20.

[0047] Figure 14 It is a diagram showing an example of resource allocation of WUS.

[0048] Figure 15 It is a diagram showing an example of resource allocation of WUS.

[0049] Figure 16 It is a diagram showing an example of resource allocation of WUS.

[0050] Figure 17 It is a diagram showing an example of resource allocation of WUS.

[0051] Figure 18 It is a diagram showing an example of resource allocation of WUS.

[0052] Figure 19 It is a diagram showing an example of resource allocation of WUS.

[0053] Figure 20 It is a diagram showing an example of the functional structure of base station device 10 in an embodiment of the present invention.

[0054] Figure 21 It is a diagram showing an example of the functional structure of user equipment 20 in an embodiment of the present invention.

[0055] Figure 22 It is a diagram showing an example of the hardware structure of base station device 10 or user equipment 20 in an embodiment of the present invention. Detailed Embodiments

[0056] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the embodiments described below are examples, and the embodiments applying the present invention are not limited to the following embodiments.

[0057] In addition, in this specification, terms used in existing NR or LTE specifications such as PDCCH and RRC are used. However, the content represented by channel names, protocol names, signal names, function names, etc. used in this specification can also be referred to by other names.

[0058] In addition, in the following description, the description is mainly related to LTE Rel.15 and LTE Rel.16. However, the present invention is not limited to LTE and can also be applied to other wireless systems including NR.

[0059] (System Structure)

[0060] Figure 1 This is a diagram for explaining the wireless communication system in the embodiment of the present invention. As Figure 1 shown, the wireless communication system in the embodiment of the present invention includes a base station device 10 and a user device 20. Figure 1 One base station device 10 and one user device 20 are shown respectively, but this is only an example, and there may be multiple of each.

[0061] The base station device 10 is a communication device that provides one or more cells and performs wireless communication with the user device 20. The physical resources of wireless signals are defined by time domain and frequency domain. The time domain can be defined by the number of OFDM symbols, and the frequency domain can be defined by the number of subcarriers or the number of resource blocks. In addition, the TTI (Transmission Time Interval) in the time domain can be a time slot, and the TTI can be a subframe.

[0062] The base station device 10 sends a synchronization signal and system information to the user device 20. The synchronization signal is, for example, PSS and SSS. The system information is, for example, sent in PBCH or PDSCH and is also called broadcast information. Figure 1 As shown, the base station device 10 sends a control signal or data to the user device 20 through the DL (Downlink), and receives a control signal or data from the user device 20 through the UL (Uplink). Here, the signal sent through a control channel such as PUCCH and PDCCH is called a control signal, and the signal sent through a shared channel such as PUSCH and PDSCH is called data, but such a naming is only an example.

[0063] The user device 20 is a communication device with a wireless communication function such as a smart phone, a mobile phone, a tablet computer, a wearable terminal, a communication module for M2M (Machine-to-Machine), etc. As Figure 1As shown, the user device 20 receives control signals or data from the base station device 10 via DL and transmits control signals or data to the base station device 10 via UL, thereby utilizing various communication services provided by the wireless communication system. Additionally, the user device 20 can be referred to as a UE, and the base station device 10 can be referred to as an eNB (or gNB).

[0064] As described above, the user device 20 can be various types of terminals, but in this embodiment, the user device 20 is mainly envisioned as an IoT-UE of LTE Rel.16 (or later versions). However, the user device 20 is not limited to an IoT-UE of LTE Rel.16 (or later versions). In addition, the envisioned IoT-UE can be a UE of NB-IoT or an eMTC UE.

[0065] (Regarding WUS)

[0066] In the wireless communication system of this embodiment, the base station device 10 transmits WUS, and the user device 20 monitors WUS. Here, first, WUS will be described.

[0067] Before the introduction of WUS, the idle user device 20 monitors the periodically arriving PO (Paging Occasion) each time. Additionally, monitoring the PO can be replaced by monitoring the paging PDCCH or the paging search space.

[0068] In the monitoring of the PO, the user device 20 demodulates the DCI transmitted via the PDCCH and checks whether it is the DCI addressed to itself. Therefore, regardless of whether the DCI addressed to itself is transmitted, the user device 20 must perform the demodulation operation for each PO, resulting in a relatively high possibility of useless power consumption. In particular, when the paging PDCCH is repeatedly transmitted, the DCI demodulation also needs to be repeatedly performed, and the possibility of increased useless power consumption is relatively high.

[0069] Thus, in Rel.15_LTE-IoT, WUS was introduced. The WUS in Rel.15_LTE-IoT (the WUS specified in the LTE Rel.15 specification) is associated with the PO in a one-to-one manner. The resources for transmitting WUS are calculated based on, for example, the UE-ID (IMSI, etc.). Additionally, through 1 bit in the WUS, it is notified that there is a paging situation for the user device 20. Furthermore, for example, as described in Non-Patent Document 1 (10.2.6B.1), the sequence of WUS is calculated based on the cell ID, the time position of the PO, etc.

[0070] The user equipment 20 monitors the WUS for resources of the WUS. When detecting the WUS (such as through a sequence specified by the WUS parameters notified by the system information), it understands that there may be a situation where paging is destined for itself, and monitors the paging PDCCH in the PO. That is, the WUS is a start signal that triggers the monitoring of the paging occasion.

[0071] Refer to Figure 2 , Figure 3 An example of an operation related to the WUS of Rel.15_LTE-IoT will be described. Figure 2 An example is shown where the repeated transmission of the paging PDCCH is not performed. As Figure 2 shown, when the user equipment 20 detects the WUS, the user equipment 20 monitors the paging PDCCH, and when receiving the DCI destined for itself, reads the paging message.

[0072] Figure 3 An example is shown where the repeated transmission of the paging PDCCH is performed. When the user equipment 20 detects the WUS, the user equipment 20 repeatedly monitors the paging PDCCH.

[0073] The WUS of Rel.15 is associated with the PO in a one-to-one manner. On the other hand, the PO can be common to multiple user equipments. Therefore, all the multiple user equipments in the idle state that detect the WUS start and monitor the paging PDCCH. That is, as Figure 4 shown, it may cause multiple user equipments that may not be the destination of the paging to start.

[0074] Thus, in this embodiment related to LTE Rel.16, grouping of user equipments is performed according to the UE-ID, etc. That is, as Figure 5 shown, the user equipments belonging to a certain group basically only monitor the activated WUS of that group. Thereby, the number of user equipments that start although not being the destination of the paging can be reduced.

[0075] The group is identified by the UE group ID. In addition, the user equipment that supports Rel.16_WUS also supports the WUS of Rel.15. That is, the user equipment that supports Rel.16_WUS can read Rel.16_WUS and can also read the WUS of Rel.15.

[0076] Hereinafter, the WUS of Rel.16 is basically referred to as Rel.16_WUS, and the WUS of Rel.15 is referred to as the legacy WUS. In addition, when not particularly distinguished, it is referred to as WUS. The legacy WUS can also be called the legacy start signal.

[0077] In addition, the UE group ID is used for generating the sequences of Rel.16_WUS. The number of UE groups can be set from the base station device 10 for the user device 20, for example, broadcast from the base station device 10 via SIB.

[0078] Regarding the multiplexing of Rel.16_WUS and traditional WUS, for example, it can be performed by any of the following methods: TDM, FDM, single sequence CDM (single-sequence CDM), single sequence CDM + TDM (single-sequence CDM + TDM), single sequence CDM + FDM (single-sequence CDM + FDM).

[0079] In addition, the multiplexing between multiple WUSs can be performed by any of the following methods, for example: single-sequence CDM, FDM, single sequence CDM + TDM, single sequence CDM + FDM.

[0080] In addition, single sequence CDM, for example, refers to a method of multiplying an orthogonal code, that is, a code with a cross-correlation of 0 or a small value, with the sequence of the base WUS to generate multiple WUS sequences, selecting any one of the generated WUS sequences, and transmitting it.

[0081] (Resource Allocation of WUS)

[0082] In the present embodiment, a method for allocating resources (resources for the user device 20 to monitor WUS) used by the base station device 10 to send WUS to the user device 20, that is, WUS resources (time-frequency resources), will be described.

[0083] In the present embodiment, a maximum of two WUS resources are set in the time domain and the frequency domain respectively. Here, "setting" means setting each WUS resource from the base station device 10 for the user device 20, and it can also be that the base station device 10 determines each WUS resource.

[0084] In addition, in one WUS resource, multiple WUSs are multiplexed by using CDM (for example, single sequence CDM).

[0085] Figures 6 - 8 An example in the case of setting multiple orthogonal WUS resources is shown. In any of the drawings, the vertical axis is frequency and the horizontal axis is time. In addition, "orthogonal" means that the resources do not overlap.

[0086] Figure 6 An example of setting two WUS resources in the time direction is shown. Figure 7An example in which two WUS resources are set in the frequency direction is shown. Figure 8 An example in which 4 WUS resources are set is shown.

[0087] Figures 9 - 12 An example in the case of transmitting Rel.16_WUS or legacy WUS from the base station device 10 through the above WUS resources is described. Additionally, Figures 9 - 12 Examples including legacy WUS are shown respectively, but legacy WUS may not exist.

[0088] Figure 9 An example in which WUS resource A and WUS resource B are configured in the time direction is shown. As Figure 9 shown, multiple Rel.16_WUS multiplexed by CDM are transmitted in WUS resource A, and legacy WUS is transmitted in WUS resource B. Additionally, instead of multiplexing multiple Rel.16_WUS in WUS resource A, 1 Rel.16_WUS may be transmitted.

[0089] Figure 10 An example in which WUS resource C and WUS resource D are configured in the frequency direction is shown. As Figure 10 shown, legacy WUS is transmitted in WUS resource C, and multiple Rel.16_WUS multiplexed by CDM are transmitted in WUS resource D. Additionally, instead of multiplexing multiple Rel.16_WUS in WUS resource D, 1 Rel.16_WUS may be transmitted.

[0090] Figure 11 An example in which WUS resources E, F, G, and H are configured in the time direction and frequency direction is shown. As Figure 11 shown, Rel.16_WUS is transmitted in WUS resources E and G respectively, and legacy WUS is transmitted in WUS resource F.

[0091] Figure 12 An example in which WUS resources E, F, G, and H are configured in the time direction and frequency direction is shown. As Figure 12 shown, Rel.16_WUS is transmitted in WUS resources E and G respectively, and legacy WUS is transmitted in WUS resource F.

[0092] (Example of WUS detection process)

[0093] For power saving, in this embodiment, as a principle, the user equipment 20 monitors WUS (one or more WUS) only through 1 WUS resource. For example, as Figure 12As shown, even when the WUS can be transmitted from the base station device 10 via multiple WUS resources, the user device 20 only monitors one WUS resource corresponding to its own UE group ID among the multiple WUS resources.

[0094] Figure 13 An example of the processing timing when the user device 20 monitors the WUS resource is shown.

[0095] In S101, the base station device 10 transmits setting information, and the user device 20 receives the setting information. The setting information includes the UE group ID set for the user device 20. In addition, the setting information may also include the gap information (time) between the WUS and the PO. In addition, the setting information may include the time-frequency positions of the respective WUS resources used. In addition, the setting information may also include the time-frequency position of the entire WUS resource used (for example, if it is Figure 8 as shown in 4, it is the resource corresponding to the frame surrounding the 4 outer sides). In addition, the setting information described in Embodiments 1 to 4 may be transmitted in S101.

[0096] For the above setting information, it can be transmitted via RRC signaling, via MAC CE, via DCI, or by other methods.

[0097] In S102, the user device 20 determines the time-frequency position of the WUS resource to be monitored according to the UE group ID set in S101. For example, when the size (frequency direction length and time direction length) of one WUS resource is preset in advance, and furthermore, the mathematical formula for calculating the time-frequency position of the WUS resource according to the UE group ID is also determined in advance, the user device 20 can calculate the time-frequency position of the WUS resource according to the UE group ID using this mathematical formula, and determine to monitor the WUS resource of a predetermined size at this position.

[0098] In addition, for example, when the time-frequency positions of the WUS resources corresponding to multiple UE group IDs are determined in advance by a table or the like (when the user device 20 holds this table), the user device 20 can determine the time-frequency position of the WUS resource corresponding to its own UE group ID according to this table.

[0099] In step S103, the user device 20 monitors the WUS via the WUS resource determined in S102. In addition, the sequence of the WUS is also associated with the UE group ID. In the monitoring of the WUS, the user device 20 searches for whether there is a WUS of the sequence corresponding to its own UE group ID.

[0100] In addition, the user device 20 can use the same period (the time length of the WUS) and the same transmission power for the legacy WUS and the Rel.16_WUS.

[0101] In addition, for example, traditional WUS and Rel.16_WUS can be set on the same traditional WUS resource via SI (System Information). This setting can be done either explicitly or implicitly. When both traditional WUS and Rel.16_WUS are set on the same traditional WUS resource, the same WUS parameters can be used for both traditional WUS and Rel.16_WUS.

[0102] In addition, when group WUS resources (e.g., the resources described in Figures 6 - 8 are shared between traditional WUS and Rel.16_WUS, traditional WUS can be the WUS common to all UEs monitoring the group WUS resources.

[0103] In addition, the configuration of WUS resources is for each DRX / eDRX gap of the associated PO. In addition, the configuration information of WUS resources can include the number of WUS resources in TDM / FDM.

[0104] Regarding the resources for configuring WUS, flexible configuration is desired, but no effective NW signaling method has been proposed yet.

[0105] In addition, it is desired to be able to effectively set whether traditional WUS and UE-group WUS (Rel.16_WUS) coexist on the same resource, as well as various information related to the configuration of the resources for configuring WUS.

[0106] Thus, in this embodiment, by implicitly notifying each other of the above information, effective signaling can be achieved. The following describes this content.

[0107] (Signaling Overview)

[0108] In this embodiment, via NW signaling (signaling from the base station device 10 to the user device 20), the user device 20 is notified whether traditional WUS and Rel.16_WUS are set on the same WUS resource.

[0109] Regarding whether the traditional WUS and Rel.16_WUS are set in the same WUS resource, it can be associated with the WUS resource allocation settings described in the following list: list [number of UE groups, number of WUS resources, other WUS resource allocation settings (TDM / FDM / TDM+FDM)].

[0110] In other words, the WUS resource settings are implicitly indicated by the NW signaling indicating "whether the traditional WUS and Rel.16_WUS are set in the same WUS resource".

[0111] In addition, regarding whether the traditional WUS and Rel.16_WUS are set in the same WUS resource, it can also be implicitly shown by the WUS configuration.

[0112] Hereinafter, more specific examples will be described as Examples 1 to 4. The setting information appearing in the following Examples 1 to 4 can be the setting information sent in Figure 13 S101, or can be the setting information sent at a timing different from the setting information sent in Figure 13 S101.

[0113] (Example 1)

[0114] <Example 1-1>

[0115] Summary: "If some NW configuration (e.g., SIB1-BR, SIB1-NB, other SI, or UE-specific signalling) indicates that the legacy WUS and Rel-16 WUS are on the same WUS resources, it implicitly indicates the other WUS configuration, e.g., #UE groups = 5, #WUS resources = 2, FDM multiplexing".

[0116] In Embodiment 1-1, setting information indicating that "legacy WUS and Rel.16_WUS are set in the same WUS resource" is transmitted from the base station device 10 to the user device 20. This setting information is transmitted, for example, via SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. UE-specific signalling may be RRC signalling, MAC signalling, or DCI-based signalling.

[0117] In Embodiment 1-1, the case where legacy WUS and Rel.16_WUS are set in the same WUS resource (the case where the above setting information is transmitted) implicitly shows that a certain WUS setting has been performed. For example, as Figure 14 shown, "indicating that legacy WUS and Rel.16_WUS are set in the same WUS resource" means that in the base station device 10, settings such as "number of UE groups = 5, number of WUS resources = 2, FDM multiplexing (FDM multiplexing is performed between WUS resources)" have been made. Any one or two of the number of UE groups = 5, number of WUS resources = 2, and FDM multiplexing may also be implicitly indicated.

[0118] In this case, for example, as Figure 14 shown, the base station device 10 performs WUS transmission using two WUS resources multiplexed by FDM. In addition, the user device 20 that has received the above setting information can recognize the case where the number of UE groups = 5, the number of WUS resources = 2, and FDM multiplexing is performed.

[0119] In addition, the user device 20 that has received the setting information indicating that "legacy WUS and Rel.16_WUS are set in the same WUS resource" can, for example, thereby grasp the number of UE groups and, based on the number of UE groups, determine whether to monitor the common WUS (the legacy WUS may be this common WUS) of all UEs in the monitored group WUS resource. For example, if the number of UE groups is less than a predetermined threshold, it can be determined not to monitor the group common WUS.

[0120] <Embodiment 1-2>

[0121] Summary: "On the other hand, if some NW configuration (e.g., SIB1 - BR, SIB1 - NB, other SI, or UE specific signalling) indicates that legacy WUS and Rel - 16 WUS are not on the same WUS resources, it implicitly indicates the other WUS configuration, e.g., #UE groups = 6, #WUS resources = 4, TDM + FDM multiplexing."

[0122] In Embodiment 1 - 2, setting information indicating that "legacy WUS and Rel.16_WUS are not set on the same WUS resources" is sent from the base station device 10 to the user device 20. This setting information is sent, for example, via SIB1 - BR, SIB1 - NB, other SI, or UE specific signalling. UE specific signalling can be RRC signalling, MAC signalling, or DCI - based signalling.

[0123] In Embodiment 1 - 2, the case where it is indicated that legacy WUS and Rel.16_WUS are not set on the same WUS resources (the case where the above - mentioned setting information is sent) implicitly shows that a certain WUS setting has been made. For example, as Figure 15 shown, "indicating that legacy WUS and Rel.16_WUS are not set on the same WUS resources" means that the base station device 10 has been set with "UE group number = 6, WUS resource number = 4, TDM + FDM multiplexing (TDM + FDM multiplexing between WUS resources)". Any one or two of UE group number = 6, WUS resource number = 4, and TDM + FDM multiplexing can also be implicitly indicated.

[0124] In this case, for example, as Figure 15As shown, the base station device 10 performs WUS transmission using 4 WUS resources. In addition, the user device 20 that has received the above setting information can, for example, recognize a case where the number of UE groups = 6, the number of WUS resources = 4, and TDM+FDM multiplexing is used.

[0125] In addition, the user device 20 that has received the setting information indicating that "legacy WUS and Rel.16_WUS are not set on the same WUS resource" can, for example, thereby grasp the number of UE groups, and based on the number of UE groups, determine whether to monitor the common WUS (legacy WUS can also be this common WUS) of all UEs of the monitored group WUS resources.

[0126] (Embodiment 2)

[0127] <Embodiment 2-1>

[0128] Summary: "If the number of UE groups = 4, it implicitly indicates that legacy WUS and Rel-16 WUS are on the same WUS resources. Other WUS configurations may also be implicitly indicated. e.g. #WUS resources = 2, FDM multiplexing" (If the number of UE groups = 4, it implicitly indicates that legacy WUS and Rel-16 WUS are on the same WUS resources. Other WUS settings may also be implicitly shown. For example, #WUS resources = 2, FDM multiplexing).

[0129] In Embodiment 2-1, setting information indicating that the number of UE groups = 4 (4 is an example) is sent from the base station device 10 to the user device 20. This setting information is sent, for example, via SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0130] In Embodiment 2-1, the case where the number of UE groups = 4 (the case where the above-mentioned setting information is transmitted) implicitly shows that legacy WUS and Rel.16_WUS are set on the same WUS resource. In addition, when the notified number of UE groups is less than a predetermined threshold, it may be implicitly shown that legacy WUS and Rel.16_WUS are set on the same WUS resource. Furthermore, this implicit notification is only an example. When the notified number of UE groups is less than a predetermined threshold, it may also be implicitly shown that legacy WUS and Rel.16_WUS are not set on the same WUS resource.

[0131] In addition, the case where the number of UE groups = 4 (or the case where the number of UE groups less than a predetermined threshold is notified) may also implicitly show other WUS settings. For example, as Figure 16 shown, the case where the number of UE groups = 4 (or the number of UE groups smaller than the predetermined threshold is notified) may indicate that the number of WUS resources = 2 and FDM multiplexing (FDM multiplexing between WUS resources). Either one of the number of WUS resources = 2 and FDM multiplexing may be implicitly indicated.

[0132] In this case, for example, as Figure 16 shown, the base station device 10 performs WUS transmission using two WUS resources. In addition, for example, the user device 20 that receives the above-mentioned setting information can recognize the case where the number of WUS resources = 2 and FDM multiplexing.

[0133] <Embodiment 2-2>

[0134] Summary: "If the number of UE groups = 12, it implicitly indicates that legacy WUS and Rel-16 WUS are not on the same WUS resources, and other WUS configurations may also be implicitly indicated. For example, #WUS resources = 4, TDM + FDM multiplexing" (If the number of UE groups = 12, then it implicitly indicates that legacy WUS and Rel-16 WUS are not on the same WUS resource, and other WUS settings may also be implicitly indicated. For example, #WUS resources = 4, TDM + FDM multiplexing).

[0135] In Embodiment 2-2, setting information indicating the number of UE groups = 12 (12 is merely an example) is transmitted from the base station device 10 to the user device 20. This setting information is transmitted, for example, via SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. The UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0136] In Embodiment 2-2, the case where the number of UE groups = 12 (the case where the above setting information is transmitted) implicitly indicates that the legacy WUS and Rel.16_WUS are not set on the same WUS resource. Additionally, when the notified number of UE groups is greater than a predetermined threshold, it can be implicitly indicated that the legacy WUS and Rel.16_WUS are not set on the same WUS resource. Furthermore, this implicit notification is merely an example, and when the notified number of UE groups is greater than a predetermined threshold, it can also be implicitly indicated that the legacy WUS and Rel.16_WUS are set on the same WUS resource.

[0137] Furthermore, the case where the number of UE groups = 12 (or the case where the number of UE groups greater than a predetermined threshold is notified) can also implicitly indicate other WUS settings. For example, as Figure 17 shown, the case where the number of UE groups = 12 (or the number of UE groups greater than a predetermined threshold is notified) can indicate that the number of WUS resources = 4, TDM+FDM multiplexing (TDM+FDM multiplexing between WUS resources). Either one of the number of WUS resources = 4 and TDM+FDM multiplexing can also be implicitly indicated.

[0138] In this case, for example, as Figure 17 shown, the base station device 10 performs WUS transmission using 4 WUS resources ( Figure 17 shows a state where 3 WUS resources are used as an example). Additionally, the user device 20 that has received the above setting information can, for example, recognize the case where the number of WUS resources = 4 and TDM+FDM multiplexing.

[0139] (Embodiment 3)

[0140] <Embodiment 3-1>

[0141] Summary: "If Multiplexing scheme = FDM, it implicitly indicates that legacy WUS and Rel-16 WUS are on the same WUS resources. Other WUS configurations may also be implicitly indicated. For example, #WUS resources = 2, #UE groups = 6." (If the multiplexing scheme = FDM, it implicitly indicates that legacy WUS and Rel-16 WUS are on the same WUS resources. Other WUS settings may also be implicitly indicated. For example, #WUS resources = 2, #UE groups = 6).

[0142] In Embodiment 3-1, the base station device 10 transmits setting information indicating that the multiplexing method (the multiplexing method between WUS resources) = FDM (FDM is just an example) to the user device 20. This setting information is transmitted, for example, through SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0143] In Embodiment 3-1, the case where the multiplexing method = FDM (the case where the above setting information is transmitted) can implicitly indicate that legacy WUS and Rel.16_WUS are set on the same WUS resources.

[0144] In addition, the case where the multiplexing method = FDM can also implicitly indicate other WUS settings. For example, as Figure 18 shown, the case where the multiplexing method = FDM indicates that the number of UE groups = 6 and the number of WUS resources = 2. Either one of the number of UE groups = 6 and the number of WUS resources = 2 can also be implicitly indicated.

[0145] In this case, for example, as Figure 18 shown, the base station device 10 performs WUS transmission using two WUS resources. In addition, the user device 20 that has received the above setting information can, for example, recognize the case where the number of UE groups = 6 and the number of WUS resources = 2.

[0146] In addition, the user device 20 that has received the above setting information can, for example, thereby grasp the number of UE groups and determine whether to monitor the common WUS (legacy WUS can also be this common WUS) of all UEs in the monitoring group WUS resources based on the number of UE groups.

[0147] <Example 3-2>

[0148] Summary: "If Multiplexing scheme = TDM + FDM, it implicitly indicates that legacy WUS and Rel-16 WUS are NOT on the same WUS resources. Other WUS configurations may also be implicitly indicated. e.g., #WUS resources = 4, #UE groups = 8."

[0149] In Example 3-2, the base station device 10 transmits setting information indicating that the multiplexing method (multiplexing method between WUS resources) = TDM + FDM (TDM + FDM is just an example) to the user device 20. This setting information is transmitted, for example, via SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0150] In Example 3-2, the case where the multiplexing method = TDM + FDM (the case where the above setting information is transmitted) implicitly indicates that legacy WUS and Rel.16_WUS are not set on the same WUS resource.

[0151] In addition, the case where the multiplexing method = TDM + FDM can also implicitly indicate other WUS settings. For example, as Figure 19 shown, the case where the multiplexing method = TDM + FDM indicates that the number of UE groups = 8 and the number of WUS resources = 4. Either one of the number of UE groups = 8 and the number of WUS resources = 4 can also be implicitly indicated.

[0152] In this case, for example, as Figure 19 shown, the base station device 10 performs WUS transmission using 4 WUS resources. In addition, the user device 20 that has received the above setting information can, for example, recognize the case where the number of UE groups = 8 and the number of WUS resources = 4.

[0153] In addition, the user equipment 20 that has received the above-mentioned setting information can, for example, thereby grasp the number of UE groups, and based on the number of UE groups, determine whether to monitor the common WUS (the legacy WUS can also be this common WUS) of all UEs in the monitoring group of WUS resources.

[0154] (Embodiment 4)

[0155] <Embodiment 4-1>

[0156] In Embodiment 4-1, setting information indicating that the number of WUS resources = 2 (2 is just an example) is sent from the base station device 10 to the user equipment 20. This setting information is, for example, sent via SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. The UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0157] In Embodiment 4-1, the case where the number of WUS resources = 2 (the case where the above-mentioned setting information is sent) implicitly indicates that the legacy WUS and Rel.16_WUS are set on the same WUS resource. In addition, when the notified number of WUS resources is less than a predetermined threshold, it can implicitly indicate that the legacy WUS and Rel.16_WUS are set on the same WUS resource. Furthermore, this implicit notification is only an example, and when the notified number of WUS resources is less than a predetermined threshold, it can also implicitly indicate that the legacy WUS and Rel.16_WUS are not set on the same WUS resource.

[0158] In addition, the case where the number of WUS resources = 2 (or the case where the number of WUS resources less than the predetermined threshold is notified) can also implicitly indicate other WUS settings. For example, the case where the number of WUS resources = 2 (or the number of WUS resources less than the predetermined threshold is notified) can indicate that the number of UE groups = 4 and FDM multiplexing (FDM multiplexing between WUS resources). Either one of the number of UE groups = 4 and FDM multiplexing can also be implicitly indicated.

[0159] <Embodiment 4-2>

[0160] In Embodiment 4-2, setting information indicating that the number of WUS resources = 4 (4 is just an example) is sent from the base station device 10 to the user device 20. This setting information is sent, for example, by SIB1-BR, SIB1-NB, other SI, or UE-specific signalling. The UE-specific signalling can be RRC signalling, MAC signalling, or DCI-based signalling.

[0161] In Embodiment 4-2, the case where the number of WUS resources = 4 (the case where the above setting information is sent) implicitly indicates that the legacy WUS and Rel.16_WUS are not set on the same WUS resource. Additionally, when the notified number of WUS resources is greater than a predetermined threshold, it can be implicitly indicated that the legacy WUS and Rel.16_WUS are not set on the same WUS resource. Furthermore, this implicit notification is merely an example, and when the notified number of WUS resources is greater than a predetermined threshold, it can also be implicitly indicated that the legacy WUS and Rel.16_WUS are set on the same WUS resource.

[0162] Moreover, the case where the number of WUS resources = 4 (or the case where the number of WUS resources greater than a predetermined threshold is notified) can also implicitly indicate other WUS settings. For example, the case where the number of WUS resources = 4 (or the number of WUS resources greater than a predetermined threshold is notified) can indicate that the number of UE groups = 12 and TDM+FDM multiplexing (TDM+FDM multiplexing between WUS resources). Either one of the number of UE groups = 12 and TDM+FDM multiplexing can also be implicitly indicated.

[0163] Through the technologies of Embodiments 1 to 4 described above, in a wireless communication network where a start signal for triggering the monitoring of a paging occasion is transmitted, signalling related to the resource for configuring the start signal can be effectively performed. Additionally, the number of UE groups is also information related to the resource for configuring the start signal.

[0164] Furthermore, in Embodiments 2 to 4, the setting information explicitly notified is the number of user device groups, the number of resources for configuring the start signal, or the multiplexing method between resources, but this is just an example. The setting information explicitly notified can include any one, any two, or all of the number of user device groups, the number of resources for configuring the start signal, and the multiplexing method between resources.

[0165] (Device Structure)

[0166] Next, a functional structure example of the base station device 10 and the user device 20 that perform the processes and actions described above will be described. The base station device 10 and the user device 20 have the functions of implementing the above-described Embodiments 1 to 4. However, the base station device 10 and the user device 20 may each have only the functions of any one of Embodiments 1 to 4 with respect to Embodiments 1 to 4.

[0167] <Base Station Device 10>

[0168] Figure 20 is a diagram showing an example of the functional structure of the base station device 10. As Figure 20 shown, the base station device 10 includes a transmission unit 110, a reception unit 120, a setting unit 130, and a control unit 140. Figure 20 The functional structure shown is merely an example. As long as the actions involved in the present embodiment can be performed, the functional division and the names of the functional units can be arbitrary.

[0169] The transmission unit 110 includes a function of generating a signal to be transmitted to the user device 20 side and transmitting the signal wirelessly. The reception unit 120 includes a function of receiving various signals transmitted from the user device 20 and obtaining, for example, higher layer information from the received signals.

[0170] The setting unit 130 stores preset setting information and various setting information to be transmitted to the user device 20 in a storage device included in the setting unit 130, and reads it out from the storage device as needed. The control unit 140 controls the base station device 10. Additionally, a functional unit related to signal transmission in the control unit 140 may be included in the transmission unit 110, and a functional unit related to signal reception in the control unit 140 may be included in the reception unit 120.

[0171] <User Device 20>

[0172] Figure 21 is a diagram showing an example of the functional structure of the user device 20. As Figure 21 shown, the user device 20 includes a transmission unit 210, a reception unit 220, a setting unit 230, and a control unit 240. Figure 21 The functional structure shown is only an example. As long as the actions involved in the embodiment of the present invention can be performed, the functional division and the names of the functional units can be arbitrary.

[0173] The transmission unit 210 generates a transmission signal based on transmission data and transmits the transmission signal wirelessly. The reception unit 220 receives various signals wirelessly and obtains a higher layer signal from the received physical layer signal.

[0174] The setting unit 230 stores various setting information received from the base station device 10 by the receiving unit 220 in the storage device included in the setting unit 230, and reads it out from the storage device as needed. In addition, the setting unit 230 also stores preset setting information. The control unit 240 performs various controls. Additionally, the functional units related to signal transmission in the control unit 240 may be included in the transmission unit 210, and the functional units related to signal reception in the control unit 240 may be included in the receiving unit 220.

[0175] (Hardware Structure)

[0176] The block diagrams ( Figure 20 and Figure 21 ) used in the description of the above embodiment show blocks in terms of functions. These functional blocks (structural units) are implemented by any combination of at least one of hardware and software. In addition, there is no particular limitation on the implementation method of each functional block. That is, each functional block can be implemented using a single device physically or logically combined, or two or more physically or logically separated devices can be directly or indirectly (e.g., using wired, wireless, etc.) connected and these multiple devices can be used to implement it. The functional block can also be implemented by combining software with the above-mentioned single device or the above-mentioned multiple devices.

[0177] Functionally, it has functions such as judging, deciding, determining, calculating, computing, processing, deriving, investigating, searching, confirming, receiving, sending, outputting, accessing, solving, selecting, choosing, establishing, comparing, assuming, expecting, regarding as, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating (mapping), assigning, etc., but is not limited to these. For example, a functional block (structural unit) that makes transmission function is called a transmitting unit or a transmitter. In short, as described above, there is no particular limitation on the implementation method.

[0178] For example, the base station device 10, the user device 20, etc. in an embodiment of the present disclosure can also function as a computer that performs the processing of the wireless communication method of the present disclosure. Figure 22FIG. 0 is a diagram showing an example of the hardware configuration of the base station device 10 and the user device 20 according to an embodiment of the present disclosure. The above base station device 10 and user device 20 may also be configured to physically include a computer device such as a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, and a bus 1007.

[0179] In addition, in the following description, the term "device" may be replaced with "circuit", "equipment (device)", "unit", etc. The hardware configuration of the base station device 10 and the user device 20 may be configured to include one or more of the devices shown in the drawings, or may be configured not to include some of the devices.

[0180] Each function in the base station device 10 and the user device 20 is implemented by the following method: a predetermined software (program) is read into hardware such as the processor 1001 and the storage device 1002, so that the processor 1001 performs operations and controls at least one of the communication of the communication device 1004 or the reading and writing of data in the storage device 1002 and the auxiliary storage device 1003.

[0181] The processor 1001, for example, operates an operating system to control the entire computer. The processor 1001 may also be composed of a central processing unit (CPU: Central Processing Unit) including an interface with peripheral devices, a control device, an arithmetic device, registers, etc. For example, the above control unit 140, control unit 240, etc. may also be implemented by the processor 1001.

[0182] In addition, the processor 1001 reads a program (program code), a software module, data, etc. from at least one of the auxiliary storage device 1003 and the communication device 1004 into the storage device 1002, and performs various processes accordingly. As the program, a program that causes a computer to execute at least a part of the operations described in the above embodiment is used. For example, Figure 20 The control unit 140 of the base station device 10 shown may also be implemented by a control program stored in the storage device 1002 and operating through the processor 1001. In addition, for example, Figure 21 The control unit 240 of the user device 20 shown may also be implemented by a control program stored in the storage device 1002 and operating through the processor 1001. Regarding the above various processes, although it has been described that the above various processes are executed by one processor 1001, the above various processes may also be executed simultaneously or sequentially by two or more processors 1001. The processor 1001 may also be installed on one or more chips. In addition, the program may also be sent from a network via a telecommunication line.

[0183] The storage device 1002 is a computer-readable recording medium, and may be constituted by at least one of, for example, a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Erasable Programmable ROM), a RAM (Random Access Memory), and the like. The storage device 1002 may also be referred to as a register, a cache, a main memory (main storage device), and the like. The storage device 1002 can store a program (program code), a software module, etc. that can be executed to implement the communication method according to an embodiment of the present disclosure.

[0184] The auxiliary storage device 1003 is a computer-readable recording medium, and may be constituted by at least one of, for example, an optical disc such as a CD-ROM (Compact Disc ROM), a hard disk drive, a floppy disk, a magneto-optical disc (for example, a compact disc, a digital versatile disc, a Blu-ray (registered trademark) disc, a smart card, a flash memory (for example, a card, a stick, a key drive (Key drive))), a Floppy (registered trademark) disk, a magnetic stripe, and the like. The auxiliary storage device 1003 may also be referred to as an auxiliary storage device. The above storage medium may be, for example, a database, a server, or other appropriate medium including at least one of the storage device 1002 and the auxiliary storage device 1003.

[0185] The communication device 1004 is a hardware (transceiving device) for communicating between computers via at least one of a wired network and a wireless network. For example, it may also be referred to as a network device, a network controller, a network card, a communication module, and the like. The communication device 1004 may be configured to include, for example, a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to implement at least one of frequency division duplex (FDD: Frequency Division Duplex) and time division duplex (TDD: Time Division Duplex). For example, a transceiver antenna, an amplification unit, a transceiving unit, a transmission path interface, etc. may also be implemented by the communication device 1004. For the transceiving unit, physical or logical separation and installation may be performed in the transmitting unit and the receiving unit.

[0186] The input device 1005 is an input device that accepts external input (e.g., keyboard, mouse, microphone, switch, button, sensor, etc.). The output device 1006 is an output device that performs output to the outside (e.g., display, speaker, LED light, etc.). Additionally, the input device 1005 and the output device 1006 may be integrally formed (e.g., touch panel).

[0187] Furthermore, each device such as the processor 1001 and the storage device 1002 is connected via a bus 1007 for communicating information. The bus 1007 may be constituted by a single bus or may be constituted by different buses for each device pair.

[0188] Furthermore, the base station device 10 and the user device 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), and a field programmable gate array (FPGA), and part or all of each functional block may be implemented by this hardware. For example, the processor 1001 may also be installed using at least one of these hardwares.

[0189] (Summary of the Embodiment)

[0190] Through this embodiment, at least the base station device and the user device described in the following various items are provided.

[0191] (Item 1)

[0192] A base station device, wherein the base station device has:

[0193] A transmission unit that transmits setting information indicating whether to configure both a first start signal and a second start signal for one resource used to configure a start signal, and the start signal becomes a trigger for monitoring a paging occasion,

[0194] The setting information implicitly represents settings other than the setting of configuring both the first start signal and the second start signal for the resource.

[0195] (Item 2)

[0196] The base station device according to Item 1, wherein,

[0197] Whether the settings other than the settings of both the first start signal and the second start signal for the resource include any one, any two, or all of the number of groups of user devices, the number of resources for configuring the start signal, and the multiplexing method between resources?

[0198] (Item 3)

[0199] A base station device, wherein

[0200] The base station device has a transmission unit that transmits setting information indicating settings related to a start signal that triggers monitoring of a paging occasion.

[0201] The setting information implicitly indicates whether to configure both the first start signal and the second start signal for one resource used to configure the start signal, as a setting other than the setting.

[0202] (Item 4)

[0203] The base station device according to Item 3, wherein

[0204] The settings related to the start signal that triggers monitoring of a paging occasion include any one, any two, or all of the number of groups of user devices, the number of resources for configuring the start signal, and the multiplexing method between resources.

[0205] (Item 5)

[0206] The base station device according to any one of Items 1 to 4, wherein

[0207] The first start signal is a start signal transmitted for each group of user devices after being grouped, and the second start signal is a conventional start signal.

[0208] (Item 6)

[0209] A user device, wherein the user device has:

[0210] A receiving unit that receives setting information indicating whether to configure both the first start signal and the second start signal for one resource used to configure the start signal, and the start signal triggers monitoring of a paging occasion; and

[0211] A control unit, the setting information implicitly indicates settings other than the setting of whether to configure both the first start signal and the second start signal for the resource, and the control unit performs a judgment based on the implicitly indicated setting.

[0212] In a radio communication network that transmits a start signal triggering monitoring for a paging occasion, signaling related to resources for configuring the start signal can be effectively performed according to any one of Items 1 to 6.

[0213] (Supplement of the embodiment)

[0214] The embodiments of the present invention have been described above, but the disclosed invention is not limited to such embodiments, and those of ordinary skill in the art should understand various variations, modifications, substitution examples, permutation examples, etc. Specific numerical examples have been used for the purpose of facilitating understanding of the invention, but these numerical values are only examples as long as not specifically indicated, and any appropriate arbitrary values can also be used. The classification of items in the above description is not essential for the present invention, and the matters described in two or more items can be combined as needed, or the matters described in one item can be applied to the matters described in other items (as long as there is no contradiction). The boundaries of functional units or processing units in the functional block diagram do not necessarily correspond to the boundaries of physical components. The operations of multiple functional units can be physically performed by one component, or the operations of one functional unit can be physically performed by multiple components. Regarding the processing procedures described in the embodiments, the order of processing can be swapped without contradiction. For the convenience of explaining the processing, the base station device 10 and the user device 20 are described using functional block diagrams, but such devices can also be implemented by hardware, software, or a combination thereof. The software that operates through the processor included in the base station device 10 according to the embodiment of the present invention and the software that operates through the processor included in the user device 20 according to the embodiment of the present invention can also be stored in a random access memory (RAM), flash memory, read only memory (ROM), EPROM, EEPROM, register, hard disk drive (HDD), removable disk, CD-ROM, database, server, and other appropriate arbitrary storage media, respectively.

[0215] In addition, the notification of information is not limited to the forms / embodiments described in the present disclosure, and other methods can also be used. For example, the notification of information can be implemented through physical layer signaling (e.g., DCI (Downlink Control Information), UCI (Uplink Control Information)), high 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 a combination thereof. In addition, the RRC signaling can also be referred to as an RRC message. For example, it can also be an RRC Connection Setup message, an RRC Connection Reconfiguration message, etc.

[0216] Each of the forms / embodiments described in the present disclosure can also be applied to at least one of LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G (4th generation mobile communication system), 5G (5th generation mobile communication system), FRA (Future Radio Access), NR (new Radio), W-CDMA (registered trademark), GSM (registered trademark), CDMA 2000, UMB (UltraMobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, UWB (Ultra-WideBand), Bluetooth (registered trademark), systems using other appropriate systems, and next-generation systems extended therefrom. In addition, multiple systems (e.g., a combination of at least one of LTE and LTE-A and 5G, etc.) can also be combined and applied.

[0217] For the processing procedures, time sequences, flows, etc. of the various forms / embodiments described in this specification, the order can be changed without contradiction. For example, for the methods described in this disclosure, the exemplary order indicates the elements of various steps, but is not limited to the specific order indicated.

[0218] In this specification, specific actions performed by the base station device 10 may sometimes be performed by its upper node depending on the situation. In a network composed of one or more network nodes having the base station device 10, various actions performed for communicating with the user device 20 can be performed by at least one of the base station device 10 and other network nodes other than the base station device 10 (for example, MME or S-GW is considered, but not limited to these). In the above, the case where there is one other network node other than the base station device 10 is illustrated, but the other network nodes can also be a combination of multiple other network nodes (for example, MME and S-GW).

[0219] The information or signals, etc. described in this disclosure can be output from a higher layer (or a lower layer) to a lower layer (or a higher layer). It can also be input or output via multiple network nodes.

[0220] The information, etc. input or output can be stored in a specific location (for example, memory), or can be managed using a management table. The information, etc. input or output can be rewritten, updated, or appended. The information, etc. output can also be deleted. The information, etc. input can also be sent to other devices.

[0221] The determination in this disclosure can be made by a value represented by 1 bit (0 or 1), can also be made by a Boolean value (true or false), and can also be made by a numerical comparison (for example, comparison with a predetermined value).

[0222] For software, whether it is called software, firmware, middleware, microcode, hardware description language, or is referred to by other names, it should be broadly interpreted as referring to commands, command sets, code, code segments, program code, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, processes, functions, etc.

[0223] In addition, software, commands, information, etc. can be transmitted and received via a transmission medium. For example, in the case of transmitting software from a web page, server, or other remote source using at least one of wired technologies (such as coaxial cables, fiber optic cables, twisted pairs, digital subscriber line (DSL), etc.) and wireless technologies (such as infrared rays, microwaves, etc.), at least one of these wired technologies and wireless technologies is included in the definition of the transmission medium.

[0224] The information, signals, etc. described in this disclosure can also be represented using any one of a variety of different technologies. For example, the data, commands, instructions, information, signals, bits, symbols, chips, etc. that may be involved in the overall description above can be represented by voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination of these.

[0225] In addition, the terms described in this disclosure and the terms required to understand this disclosure can be replaced with terms having the same or similar meanings. For example, at least one of a channel and a symbol can also be a signal (signaling). In addition, a signal can also be a message. Additionally, a component carrier (CC) can be referred to as a carrier frequency, a cell, a frequency carrier, etc.

[0226] Terms such as "system" and "network" used in this disclosure can be used interchangeably.

[0227] In addition, the information, parameters, etc. described in this disclosure can be represented using absolute values, relative values with respect to a predetermined value, or other corresponding information. For example, wireless resources can also be indicated by an index.

[0228] The names used for the above parameters are non - restrictive in any aspect. Furthermore, the mathematical expressions using these parameters are sometimes different from the content explicitly stated in this disclosure. Various channels (such as PUCCH, PDCCH, etc.) and information elements can be identified by appropriate names, so the various names assigned to these various channels and information elements are non - restrictive in any aspect.

[0229] In the present disclosure, terms such as "Base Station (BS)", "radio base station", "base station device", "fixed station", "NodeB", "eNodeB (eNB)", "gNodeB (gNB)", "access point", "transmission point", "reception point", "transmission / reception point", "cell", "sector", "cell group", "carrier", "component carrier" can be used interchangeably. Sometimes, a base station is also referred to as a macro cell, a small cell, a femto cell, a pico cell, etc.

[0230] A base station can accommodate one or more (e.g., 3) 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 also provide communication services through a base station subsystem (e.g., a small indoor base station (RRH: Remote Radio Head)). Terms such as "cell" or "sector" refer to a part or the whole of the coverage area of at least one of the base station and the base station subsystem that provides communication services within the coverage range.

[0231] In the present disclosure, terms such as "Mobile Station (MS)", "user terminal", "User Equipment (UE)", "terminal" can be used interchangeably.

[0232] For a mobile station, those skilled in the art sometimes also refer to it using the following terms: subscriber station, mobile unit, subscriber unit, radio 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 appropriate terms.

[0233] At least one of the base station and the mobile station may also be referred to as a transmitting device, a receiving device, a communication device, etc. In addition, at least one of the base station and the mobile station may be a device mounted on a moving body, the moving body itself, etc. The moving body may be a vehicle (e.g., a car, an airplane, etc.), a moving body that moves in an unmanned manner (e.g., a drone, a self-driving car, etc.), or a robot (humanoid or non-humanoid). In addition, at least one of the base station and the mobile station also includes a device that does not necessarily move during the communication operation. For example, at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.

[0234] In addition, the base station device in the present disclosure may also be replaced with a user device. For example, regarding a structure in which the communication between the base station device and the user device is replaced with the communication between a plurality of user devices 20 (e.g., it may also be referred to as D2D (Device-to-Device), V2X (Vehicle-to-Everything) system, etc.), various forms / embodiments of the present disclosure can also be applied. In this case, it may also be configured such that the user device 20 has the functions of the above-described base station device 10. In addition, terms such as "uplink" and "downlink" may also be replaced with terms corresponding to inter-terminal communication (e.g., "side"). For example, the uplink channel, the downlink channel, etc. may also be replaced with side channels.

[0235] Similarly, the user device in the present disclosure may be replaced with a base station device. In this case, it may also be configured such that the base station device has the functions of the above-described user device.

[0236] The terms "determining" and "deciding" as used in this disclosure sometimes also encompass a variety of actions. For example, "determining" and "deciding" can include cases where matters that have been judged, calculated, computed, processed, derived, investigated, looked up / search / inquired (e.g., search in a table, database, or other data structure), or ascertained are regarded as having been "determined" or "decided". In addition, "determining" and "deciding" can include cases where matters that have been received (e.g., receiving information), transmitted (e.g., transmitting information), input, output, accessed (e.g., accessing data in memory) are regarded as matters of "determining" or "deciding". Further, "determining" and "deciding" can include cases where matters that have been resolved, selected, chosen, established, compared, etc. are regarded as matters of "determining" or "deciding". That is, "determining" and "deciding" can encompass matters that have "determined" or "decided" any action. Additionally, "determining (deciding)" can be replaced with "assuming", "expecting", or "considering".

[0237] The terms "connected" and "coupled" or any variations of these terms are intended to represent all direct or indirect connections or couplings between two or more elements, and can include cases where there is one or more intermediate elements between the two elements that are "connected" or "coupled" to each other. The coupling or connection between elements can be a physical coupling or connection, a logical coupling or connection, or a combination of these. For example, "Access" can be used to replace "connected". In the context of this disclosure, for two elements, it can be considered that they are "connected" or "coupled" to each other by using at least one of one or more wires, cables, and printed electrical connections, and as some non-limiting and non-inclusive examples, by using electromagnetic energy such as electromagnetic energy having wavelengths in the radio frequency domain, microwave region, and optical (including both visible and invisible) regions.

[0238] The reference signal can be abbreviated as RS (Reference Signal), or can be called Pilot according to the applied standard.

[0239] The description such as "according to" used in this disclosure does not mean "only according to" unless otherwise clearly stated. In other words, the meaning of the description such as "according to" means both "only according to" and "at least according to".

[0240] Any reference to the elements using the terms such as "first", "second", etc. used in this disclosure does not entirely limit the quantity and order of these elements. These terms are used in this disclosure as a simple method to distinguish between more than two elements. Therefore, the reference to the first and second elements does not mean that only two elements can be adopted here or that the first element must precede the second element in any form.

[0241] The "unit" in the above device structures can be replaced with "section", "circuit", "equipment", etc.

[0242] When the terms "include", "including" and their variants are used in this disclosure, these terms mean inclusive in the same way as the term "comprising". And the term "or" used in this disclosure does not mean exclusive or.

[0243] A radio frame can be composed of one or more frames in the time domain. One or more frames in the time domain can also be called subframes. A subframe can also be composed of one or more time slots in the time domain. A subframe can be a fixed time length (e.g., 1 ms) independent of the numerology.

[0244] The numerology can also be communication parameters applied to at least one of the transmission and reception of a certain signal or channel. The numerology can represent, for example, at least one of the subcarrier spacing (SCS: SubCarrier Spacing), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI: Transmission Time Interval), number of symbols per TTI, radio frame structure, specific filtering processing performed by the transceiver in the frequency domain, specific windowing processing performed by the transceiver in the time domain, etc.

[0245] A time slot can be composed of one or more symbols (such as OFDM (Orthogonal Frequency Division Multiplexing) symbols, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbols, etc.) in the time domain. A time slot can be a time unit based on a parameter set.

[0246] A time slot can also contain multiple mini-slots. Each mini-slot can be composed of one or more symbols in the time domain. In addition, a mini-slot can also be referred to as a sub-slot. A mini-slot can also be composed of fewer symbols than a time slot. The PDSCH (or PUSCH) transmitted in a time unit larger than a mini-slot can also be referred to as PDSCH (or PUSCH) mapping type A. The PDSCH (or PUSCH) transmitted using a mini-slot can also be referred to as PDSCH (or PUSCH) mapping type B.

[0247] A radio frame, a sub-frame, a time slot, a mini-slot, and a symbol all represent time units when transmitting signals. A radio frame, a sub-frame, a time slot, a mini-slot, and a symbol can also use their respective other names.

[0248] For example, 1 sub-frame can also be referred to as a Transmission Time Interval (TTI), multiple consecutive sub-frames can also be referred to as a TTI, and 1 time slot or 1 mini-slot can also be referred to as a TTI. That is, at least one of a sub-frame and a TTI can be a sub-frame (1 ms) in the existing LTE, can also be a period shorter than 1 ms (for example, 1 - 13 symbols), or can also be a period longer than 1 ms. In addition, the unit representing a TTI can also be not a sub-frame, but be referred to as a time slot, a mini-slot, etc.

[0249] Here, a TTI, for example, refers to the minimum time unit for scheduling in wireless communication. For example, in an LTE system, a base station performs scheduling to allocate radio resources (such as the bandwidth that can be used in each user device 20, the transmission power, etc.) to each user device 20 in units of TTI. In addition, the definition of a TTI is not limited to this.

[0250] A TTI can be a transmission time unit for a data packet (transmission block), a code block, a codeword, etc. after channel coding, or can also be a processing unit for scheduling, link adaptation, etc. In addition, when a TTI is given, the time interval (such as the number of symbols) actually mapped by a transmission block, a code block, a codeword, etc. can also be shorter than this TTI.

[0251] In addition, when 1 time slot or 1 mini time slot is referred to as a TTI, 1 or more TTIs (i.e., 1 or more time slots or 1 or more mini time slots) can also constitute the minimum time unit of scheduling. Additionally, the number of time slots (number of mini time slots) that constitute the minimum time unit of this scheduling can also be controlled.

[0252] A TTI with a time length of 1 ms can be referred to as a normal TTI (TTI in LTE Rel.8 - 12), a usual TTI, a long TTI, a normal subframe, a usual subframe, a long subframe, a time slot, etc. A TTI shorter than the usual TTI can be referred to as a shortened TTI, a short TTI, a partial TTI (partial or fractional TTI), a shortened subframe, a short subframe, a mini time slot, a sub - time slot, a time slot, etc.

[0253] In addition, a long TTI (e.g., a normal TTI, a subframe, etc.) can be replaced with a TTI having a time length exceeding 1 ms, and a short TTI (e.g., a shortened TTI, etc.) can also be replaced with a TTI having a TTI length less than that of the long TTI and 1 ms or more.

[0254] A resource block (RB) is a resource allocation unit in the time domain and the frequency domain. In the frequency domain, it can also contain one or more consecutive subcarriers. The number of subcarriers included in an RB can be the same regardless of the parameter set, for example, it can be 12. The number of subcarriers included in an RB can be determined based on the parameter set.

[0255] In addition, the time domain of an RB can contain one or more symbols, and can also be the length of 1 time slot, 1 mini time slot, 1 subframe, or 1 TTI. 1 TTI, 1 subframe, etc. can also be composed of one or more resource blocks respectively.

[0256] In addition, one or more RBs can also be referred to as a physical resource block (PRB: Physical RB), a sub - carrier group (SCG: Sub - Carrier Group), a resource element group (REG: Resource Element Group), a PRB pair, an RB pair, etc.

[0257] In addition, a resource block can also be composed of one or more resource elements (RE: Resource Element). For example, 1 RE can also be a radio resource area of 1 subcarrier and 1 symbol.

[0258] A bandwidth part (BWP) (which may also be referred to as a partial bandwidth, etc.) in a certain carrier may also represent a subset of consecutive common resource blocks (RB) used for a certain parameter set. Herein, the common RB can also be determined by the index of the RB based on the common reference point of the carrier. A PRB can also be defined by a certain BWP and numbered within that BWP.

[0259] The BWP may also include a BWP for UL (UL BWP) and a BWP for DL (DL BWP). For a UE, one or more BWPs can also be set within one carrier.

[0260] At least one of the set BWPs can also be active, and the UE may not assume to transmit and receive a predetermined signal / channel outside the active BWP. In addition, in the present disclosure, "cell", "carrier", etc. can also be replaced with "BWP".

[0261] The structures of the above-mentioned radio frames, subframes, time slots, mini time slots, and symbols, etc. are merely illustrative. For example, the number of subframes included in a radio frame, the number of time slots per subframe or radio frame, the number of mini time slots included in a time slot, the number of symbols and RBs included in a time slot or mini time slot, the number of subcarriers included in an RB, and the number of symbols, symbol length, cyclic prefix (CP) length, etc. within a TTI can be variously changed.

[0262] In the present disclosure, for example, when articles are added through translation such as a, an, and the in English, the present disclosure also includes the case where the nouns following these articles are in the plural form.

[0263] In the present disclosure, an expression such as "A and B are different" can also mean "A and B are different from each other". Additionally, this expression can also mean "A and B are respectively different from C". Expressions such as "separate", "combine", etc. can be similarly interpreted as "different".

[0264] Each form / embodiment described in the present disclosure can be used alone, in combination, or switched according to execution. In addition, the notification of predetermined information is not limited to being explicitly (e.g., notification of "is X") performed, but can also be implicitly (e.g., without notification of the predetermined information) performed.

[0265] In addition, in the present disclosure, an SS block or CSI-RS is an example of a synchronization signal or a reference signal.

[0266] As described above, the present disclosure has been described in detail. However, for those skilled in the art, it should be clear that the present disclosure is not limited to the embodiments described in the present disclosure. The present disclosure can be implemented in the form of modifications and changes without departing from the gist and scope of the present disclosure determined by the claims. Therefore, the purpose of the description of the present disclosure is to illustrate, and it has no restrictive meaning for the present disclosure.

[0267] This patent application claims priority based on Japanese Patent Application No. 2019-075830 filed on April 11, 2019, and the entire contents of Japanese Patent Application No. 2019-075830 are incorporated herein by reference.

[0268] Reference Signs Explanation:

[0269] 10 Base station device

[0270] 110 Transmission unit

[0271] 120 Reception unit

[0272] 130 Setting unit

[0273] 140 Control unit

[0274] 20 User device

[0275] 210 Transmission unit

[0276] 220 Reception unit

[0277] 230 Setting unit

[0278] 240 Control unit

[0279] 1001 Processor

[0280] 1002 Storage device

[0281] 1003 Auxiliary storage device

[0282] 1004 Communication device

[0283] 1005 Input device

[0284] 1006 Output device

Claims

1. A base station, wherein, The base station has: a transmitting unit that transmits setting information related to a start signal that triggers monitoring of a paging occasion; and a control unit that determines a multiplexing method between the number of terminal groups that receive the start signal and the resources that configure the start signal, implicitly represented based on the setting information; the setting information includes information indicating whether both a version 15 start signal and a version 16 start signal are configured in the resources for configuring the start signal.

2. A terminal, wherein, The terminal has: a receiving unit that receives setting information, the setting information including information indicating whether both a version 15 start signal and a version 16 start signal are configured in one resource for configuring a start signal that triggers monitoring of a paging occasion; and a control unit that determines a multiplexing method between the resources that configure the start signal, implicitly represented based on the setting information.

3. A communication system, the communication system having a base station and a terminal, wherein the base station has: a transmitting unit that transmits setting information to the terminal, the setting information including information indicating whether both a version 15 start signal and a version 16 start signal are configured in one resource for configuring a start signal that triggers monitoring of a paging occasion; and a control unit that determines a multiplexing method between the resources that configure the start signal, implicitly represented based on the setting information; the terminal has: a receiving unit that receives the setting information from the base station; and a control unit that determines a multiplexing method between the resources that configure the start signal, implicitly represented based on the setting information.

4. A communication method for a base station, wherein, It has the following steps: transmit setting information, the setting information including information indicating whether both a version 15 start signal and a version 16 start signal are configured in one resource for configuring a start signal that triggers monitoring of a paging occasion; and determine a multiplexing method between the resources that configure the start signal, implicitly represented based on the setting information.

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