System and method for transmission repetition mode indicators

Abstract

In one embodiment, a method performed by a wireless communication node comprises the step of configuring a transmission repetition mode and at least one resource for uplink channel transmission of a wireless communication device by the wireless communication node, wherein the transmission repetition mode indicates at least one of the number of uplink channel transmissions to be performed, one or more multiplexing modes of the number of uplink channel transmissions to be performed, and one or more time positions of the number of uplink channel transmissions to be performed. The method comprises the step of transmitting the transmission repetition mode to a wireless communication device by the wireless communication node.

Description

Technology Field

[0001] The present disclosure generally relates to wireless communications including, but not limited to, systems and methods for indicating a PUCCH transmission repeat mode. Background Technology

[0002] Errors such as variations in signal quality, high noise, or high interference levels may occur during transmissions over wireless channels. Hybrid Automatic Repeat Request (HARQ) relies on a combination of error correction coding and the retransmission of erroneous data units. HARQ acknowledgments are transmitted over the physical uplink control channel (PUCCH).

[0003] The exemplary embodiments disclosed herein relate to solving problems related to one or more of the problems presented in the prior art, as well as providing additional features that will become readily apparent by referring to the following detailed description when taken together with the accompanying drawings. According to various embodiments, exemplary systems, methods, devices, and computer program products are disclosed herein. However, it is understood that these embodiments are presented by way of example and are not limiting, and it will be apparent to a person skilled in the art reading this disclosure that various modifications to the disclosed embodiments may be made within the scope of this disclosure.

[0004] In one embodiment, a method performed by a wireless communication node comprises the step of configuring a transmission repetition mode and at least one resource for uplink channel transmission of a wireless communication device by the wireless communication node, wherein the transmission repetition mode indicates at least one of the number of uplink channel transmissions to be performed, one or more multiplexing modes of the number of uplink channel transmissions to be performed, and one or more time positions of the number of uplink channel transmissions to be performed. The method comprises the step of transmitting the transmission repetition mode to a wireless communication device by the wireless communication node.

[0005] In one embodiment, a method performed by a wireless communication device includes the step of receiving, by the wireless communication device, a transmission repetition mode for uplink channel transmission of the wireless communication device through downlink control information from a wireless communication node, wherein the transmission repetition mode indicates at least one of the number of uplink channel transmissions to be performed, one or more multiplexing modes of the number of uplink channel transmissions to be performed, and one or more time positions of the number of uplink channel transmissions to be performed. The method includes the step of performing uplink channel transmissions a number of times according to the transmission repetition mode by the wireless communication device.

[0006] In some embodiments, each number of uplink channel transmissions is associated with one transmission beam. In some embodiments, the method further includes the step of transmitting a transmission repetition mode to a wireless communication device by a wireless communication node through a downlink control information or channel state information reporting configuration.

[0007] In some embodiments, the method further includes the step of transmitting a transmission repetition mode through at least one of a timing indicator field that returns information of a timing indicator, a resource indicator field that returns information of a resource indicator, or a field of downlink control information that returns information of both a timing indicator and a resource indicator.

[0008] In one embodiment, the method comprises the step of configuring an association between a demodulation reference signal (DMRS) port of data transmission scheduled by a wireless communication node, a pool index, at least one of two types of uplink control channel resource groups, a configured acknowledgment, and downlink control information that does not have a port indication.

[0009] In one embodiment, the method comprises the steps of pre-defining an association between a pool index, at least one of two types of uplink control channel resource groups, a configured acknowledgment, and a demodulation reference signal (DMRS) port of a data transmission scheduled by downlink control information that does not have a port indication, and transmitting the pool index by a wireless communication node.

[0010] The above and other embodiments and implementations thereof are described in more detail in the drawings, descriptions, and claims. Brief explanation of the drawing

[0011] Various exemplary embodiments of the present solution are described below in detail with reference to the following drawings and figures. The drawings are provided for illustrative purposes only and illustrate exemplary embodiments of the present solution merely to facilitate the reader's understanding of the present solution. Accordingly, the drawings should not be construed as a limitation on the breadth, scope, or applicability of the present solution. For the sake of clarity and ease of illustration, it should be noted that these drawings are not necessarily drawn to actual scale. FIG. 1 illustrates an exemplary cellular communication network in which the techniques and other aspects disclosed herein may be implemented according to an embodiment of the present disclosure. FIG. 2 illustrates block diagrams of exemplary base station and user equipment devices according to some embodiments of the present disclosure. FIG. 3 illustrates an exemplary table of HARQ offset indication states for transmit iteration modes according to some embodiments of the present disclosure. FIG. 4 illustrates an exemplary table of HARQ offset display states for time offsets according to some embodiments of the present disclosure. FIG. 5 illustrates an exemplary diagram of effective time offset values ​​according to some embodiments of the present disclosure. FIG. 6 illustrates an exemplary table of a common DCI field according to some embodiments of the present disclosure. FIG. 7 illustrates an exemplary configuration of time slots according to CSI reports, according to some embodiments of the present disclosure. FIG. 8 illustrates an exemplary configuration of time slots according to CSI reports, according to some embodiments of the present disclosure. FIG. 9 illustrates a flowchart illustrating a method for configuring a transmission repetition mode according to some embodiments of the present disclosure. FIG. 10 illustrates a flowchart illustrating a method for configuring associations for a pool index according to some embodiments of the present disclosure. FIG. 11 illustrates a flowchart illustrating a method for pre-defining associations for a pool index according to some embodiments of the present disclosure. Specific details for implementing the invention

[0012] Various exemplary embodiments of the Solution are described below with reference to the accompanying drawings to enable a person skilled in the art to manufacture and use the Solution. As will be apparent to a person skilled in the art after reading this disclosure, various changes or modifications to the examples described herein may be made without departing from the scope of the Solution. Accordingly, the Solution is not limited to the exemplary embodiments and applications described and illustrated herein. Additionally, the specific order or hierarchy of steps of the methods disclosed herein is merely an exemplary approach. Based on design preferences, the specific order or hierarchy of steps of the disclosed methods or processes may be rearranged within the scope of the Solution. Accordingly, a person skilled in the art will understand that the methods and techniques disclosed herein present various steps or operations in the same order, and that the Solution is not limited to the specific order or hierarchy presented unless clearly otherwise specified.

[0013] A. Network Environment and Computing Environment

[0014] FIG. 1 illustrates an exemplary wireless communication network and / or system (100) in which the techniques disclosed herein may be implemented according to an embodiment of the present disclosure. In the following discussion, the wireless communication network (100) may be any wireless network, such as a cellular network or a narrowband Internet of Things (NB-IoT) network, and is referred to herein as “network (100)”. Such an exemplary network (100) includes a base station (102) (hereinafter “BS (102)”) and a user equipment device (104) (hereinafter “UE (104)”) that can communicate with each other via a communication link (110) (e.g., a wireless communication channel), and a cluster of cells (126, 130, 132, 134, 136, 138, and 140) overlaying a geographical area (101). In FIG. 1, the BS (102) and UE (104) are contained within the respective geographical boundaries of the cell (126). Each of the other cells (130, 132, 134, 136, 138, and 140) may include at least one base station, and the at least one base station operates in its allocated bandwidth to provide adequate radio coverage to its intended users.

[0015] For example, the BS (102) may operate within a channel transmission bandwidth allocated to provide adequate coverage to the UE (104). The BS (102) and the UE (104) may communicate via a downlink radio frame (118) and an uplink radio frame (124), respectively. Each radio frame (118 / 124) may be further subdivided into sub-frames (120 / 127) that may include data symbols (122 / 128). In the present disclosure, the BS (102) and the UE (104) are generally described herein as non-limiting examples of "communication nodes" capable of carrying out the methods disclosed herein. These communication nodes may be capable of wireless and / or wired communication according to various embodiments of the present solution.

[0016] FIG. 2 illustrates a block diagram of an exemplary wireless communication system (200) for transmitting and receiving wireless communication signals, such as OFDM / OFDMA signals, according to some embodiments of the solution. The system (200) may include components and elements configured to support known or conventional operational features that do not need to be described in detail herein. In one exemplary embodiment, the system (200) may be used to communicate (e.g., transmit and receive) data symbols in a wireless communication environment such as the wireless communication environment (100) of FIG. 1, as described above.

[0017] The system (200) generally includes a base station (202) (hereinafter referred to as "BS (202)") and a user equipment device (204) (hereinafter referred to as "UE (204)"). The BS (202) includes a BS (base station) transceiver module (210), a BS antenna (212), a BS processor module (214), a BS memory module (216), and a network communication module (218), each module being coupled and interconnected with each other as needed via a data communication bus (220). The UE (204) includes a UE (user equipment) transceiver module (230), a UE antenna (232), a UE memory module (234), and a UE processor module (236), each module being coupled and interconnected with each other as needed via a data communication bus (240). BS (202) communicates with UE (204) through a communication channel (250), and the communication channel (250) may be any wireless channel or other medium suitable for transmitting data as described herein.

[0018] As will be understood by a person skilled in the art, the system (200) may include any number of additional modules in addition to those illustrated in FIG. 2. A person skilled in the art will understand that the various exemplary blocks, modules, circuits, and processing logic described in connection with the embodiments disclosed herein may be implemented in hardware, computer-readable software, firmware, or any practical combination thereof. To clearly illustrate such interchangeability and compatibility of hardware, firmware, and software, various exemplary components, blocks, modules, circuits, and steps are generally described with respect to their functionality. Whether such functionality is implemented in hardware, firmware, or software may be determined by design constraints imposed on the overall system and specific applications. Those familiar with the concepts described herein may implement such functionality in a manner suitable for each specific application, but such implementation determinations should not be construed as limiting the scope of the disclosure.

[0019] According to some embodiments, the UE transceiver (230) may be referred to herein as an "uplink" transceiver (230) comprising a radio frequency (RF) transmitter and an RF receiver, each comprising a circuit coupled to an antenna (232). Alternatively, a duplex switch (not shown) may couple the uplink transmitter or receiver to the uplink antenna in a time-duplex manner. Similarly, according to some embodiments, the BS transceiver (210) may be referred to herein as a "downlink" transceiver (210) comprising an RF transmitter and an RF receiver, each comprising a circuit coupled to an antenna (212). Alternatively, a downlink duplex switch may couple the downlink transmitter or receiver to the antenna (212) in a time-duplex manner. The operations of the two transceiver modules (210 and 230) can be time-coordinated so that the downlink transmitter is coupled to the downlink antenna (212) at the same time that the uplink receiver circuit is coupled to the uplink antenna (232) for receiving transmissions through the wireless transmission link (250). In some embodiments, close time synchronization with a minimum guard time between changes in duplex direction exists.

[0020] The UE transceiver (230) and the base station transceiver (210) communicate via a wireless data communication link (250) and are configured to work with a suitably configured RF antenna array (212 / 232) capable of supporting a specific wireless communication protocol and modulation scheme. In some exemplary embodiments, the UE transceiver (210) and the base station transceiver (210) are configured to support industry standards such as Long Term Evolution (LTE) and emerging 5G standards. However, it is understood that the present disclosure is not necessarily limited to specific standards and associated protocols in the application. Rather, the UE transceiver (230) and the base station transceiver (210) may be configured to support alternative or additional wireless data communication protocols, including future standards or variations thereof.

[0021] According to various embodiments, the BS (202) may be, for example, an evolved node B (eNB), a serving eNB, a target eNB, a femto station, or a pico station. In some embodiments, the UE (204) may be implemented as various types of user devices such as mobile phones, smartphones, personal digital assistants (PDAs), tablets, laptop computers, wearable computing devices, etc. Processor modules (214 and 236) may be implemented or realized as general-purpose processors, content-addressable memory, digital signal processors, application-specific integrated circuits, field-programmable gate arrays, any suitable programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, designed to perform the functions described herein. In this way, the processor may be realized as a microprocessor, a controller, a microcontroller, a state machine, etc. The processor may also be implemented as a combination of computing devices, for example, a combination of a digital signal processor and a microprocessor, multiple microprocessors, one or more microprocessors working in cooperation with a digital signal processor core, or any other such configuration.

[0022] Furthermore, the steps of the method or algorithm described in connection with the embodiments disclosed herein may be implemented directly in hardware, in firmware, in software modules executed by the respective processor modules (214 and 236), or in any practical combination thereof. The memory modules (216 and 234) may be realized as RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disks, removable disks, CD-ROMs, or any other form of storage medium known in the art. In this regard, the memory modules (216 and 234) may each be coupled to the processor modules (210 and 230), and accordingly, the processor modules (210 and 230) may each read information from the memory modules (216 and 234) and write information to the memory modules (216 and 234). The memory modules (216 and 234) may also be integrated within their respective processor modules (210 and 230). In some embodiments, the memory modules (216 and 234) may each include a cache memory for storing temporary variables or other intermediate information during the execution of instructions to be executed by the processor modules (210 and 230). Additionally, the memory modules (216 and 234) may each include a non-volatile memory for storing instructions to be executed by the processor modules (210 and 230).

[0023] The network communication module (218) generally represents other network components configured to communicate with the base station (202) and the hardware, software, firmware, processing logic, and / or other components of the base station (202) that enable bidirectional communication between the communication nodes and the base station transceiver (210). For example, the network communication module (218) may be configured to support Internet or WiMAX traffic. In a typical configuration, without limitation, the network communication module (218) provides an 802.3 Ethernet interface to enable the base station transceiver (210) to communicate with a conventional Ethernet-based computer network. In this way, the network communication module (218) may include a physical interface for connecting to a computer network (e.g., a Mobile Switching Center (MSC)). Terms such as “configured to,” “configured to,” and their variations as used herein for a specified operation or function refer to a device, component, circuit, structure, machine, signal, etc. that is physically configured, programmed, formatted, and / or arranged to perform a specified operation or function.

[0024] B. Transmission Repeat Mode Indicators

[0025] In the current NR (new radio) release, a UE (e.g., UE (102), UE (202), user equipment, terminal, user, wireless communication device, etc.) transmits a HARQ (hybrid automatic repeat request) ACK / NACK (acknowledgement / negative acknowledgment) over a PUCCH (physical uplink control channel) resource. A base station (e.g., BS, BS (102), BS (104), gNB, wireless communication node, etc.) configures multiple PUCCH resources by using higher-layer signaling, such as RRC (radio resource control) signaling or MAC-CE (medium access control-control element) signaling. The base station uses a PRI (PUCCH resource indicator) within the DCI (downlink control information) to select (e.g., select, select, indicate, determine, etc.) one of the PUCCH resources configured using the higher layer. A beam (e.g., beam, beamform, etc.) containing spatial relationships and / or a transmission configuration indicator (TCI) is activated for each PUCCH resource. The base station configures the UE with multiple HARQ time offsets by using predefined or high-level signaling parameters such as dl-DataToUL-ACK. To select one of the HARQ time offsets (from the predefined or high-level signaling configurations) for the UE, the base station uses the HARQ offset indicator PHFTI (PDSCH-to-HARQ_feedback timing indicator) within the DCI. The UE transmits a PUCCH at the time corresponding to the indicated HARQ time offset on the PUCCH resource(s) indicated by the DCI.

[0026] Current releases operate well at low frequencies because base stations can dynamically select PUCCH resources and the timing of PUCCH transmissions. In higher frequency bands, beamforming is a very effective technique for compensating for path loss. However, beamforming signals in certain directions can be blocked by human bodies and other objects between the UE and the base station. Generally, these blocking factors change dynamically and are unpredictable. Therefore, a technical solution is needed to improve the robustness of PUCCH transmissions in blocking scenarios.

[0027] To increase robustness, the PUCCH can repeat multiple transmissions and transmit using different beams. The base station can dynamically control the number of repeated transmissions and the beams transmitted by the PUCCH. The base station can indicate the time locations where the PUCCH repeats the transmission multiple times.

[0028] In some embodiments, the base station configures at least one resource and a transmit repeat mode for a UE transmit (e.g., uplink channel transmit, PUCCH). In some embodiments, the base station dynamically indicates the transmit repeat mode of the PUCCH transmit by using a HARQ offset indication and / or PRI in a DCI or CSI (channel state information) reporting configuration. In some embodiments, the transmit repeat mode indicates or includes one or more of the following: a number of transmits (T) (e.g., T is 1 or more), a number of transmitted beams (M) (e.g., M is 1 or more), a correspondence between T transmits and M beams, time locations of the number of transmits (T) (e.g., time locations where T transmits are located), and a relationship between T transmits. In some embodiments, the relationship between T transmits includes multiplexing of T transmits. In some embodiments, the multiplexing of T transmissions includes at least one of the following: spatial division multiplexing (SDM), time division multiplexing (TDM), frequency division multiplexing (FDM), a combination of TDM and SDM, and a combination of TDM and FDM. In some embodiments, the base station transmits a transmit repeat mode to the UE via a DCI or CSI reporting configuration. In some embodiments, the base station transmits a transmit repeat mode via at least one of a timing indicator field (e.g., PHFTI) or a resource indicator field (e.g., PRI) or (e.g., new) field of downlink control information. In some embodiments, a field within the DCI carries information of the timing indicator and the resource indicator.

[0029] In some embodiments, the data returned by T PUCCH transmissions is identical (e.g., T PUCCH transmissions include repeated transmissions). In some embodiments, each uplink channel transmission corresponds to a single beam.

[0030] In some embodiments, the transmit repeat mode is one of a plurality of transmit repeat modes. FIG. 3 illustrates an exemplary table of HARQ offset indication states for transmit repeat modes according to some embodiments of the present disclosure. Different HARQ offset indication states within the DCI may indicate a plurality of independent PUCCH transmit repeat modes. For example, a three-bit HARQ offset indication (e.g., PHFTI) may be used to indicate eight independent transmit repeat modes as illustrated in FIG. 3. In some embodiments, the parameters of each transmit repeat mode are configured by upper-layer signaling. In some embodiments, the upper-layer signaling includes RRC signaling or MAC-CE signaling.

[0031] FIG. 4 illustrates an exemplary table of HARQ offset indication states for time offsets according to some embodiments of the present disclosure. Where the UE does not have the ability to transmit multiple beams or multiple PUCCHs simultaneously, or where the base station can transmit multiple times to the UE only through TDM via an upper-layer signaling configuration, the parameters corresponding to each transmit repetition mode may include one or more time offset values. In some embodiments, the transmit repetition mode indicates that the time positions of the uplink channel transmission times are to be performed according to one or more time offsets. In some embodiments, the base station uses an upper-layer signaling that configures or pre-defines multiple sets of time offsets. In some embodiments, the base station selects one of the sets of time offsets using a HARQ offset indication (e.g., PHFTI) within the DCI. As illustrated in FIG. 4, a 2-bit HARQ offset indication indicates a time offset corresponding to up to four sets of time offsets configured through upper-layer signaling configurations. In some embodiments, each set includes one or more time offsets, such as an offset value between the PDSCH (physical downlink shared channel) and the PUCCH transmission.

[0032] The unit of the offset value may be a slot or a symbol. In some embodiments, the number of uplink channel transmissions corresponds to at least t transmissions. In some embodiments, the time offset for the t-th transmission is relative to the time domain position of the (t-1)-th transmission, or relative to a reference slot or symbol. For example, a first set includes slots n+2 and n+3 (e.g., n is a reference slot such as slot 0) (e.g., includes them or is associated with them), a second set of slots includes slot n+4, a third set of slots includes slots n+5, n+6, and n+7, and a fourth set of slots includes slots n+5 and n+7. In some embodiments, when PHFTI = 00 in DCI and PDSCH is transmitted in slot n, the UE repeats PUCCH transmission twice in slots n+2 and n+3. In some embodiments, when PHFTI in DCI = 01, the UE repeats the transmission of PUCCH on slot n+4 once. In some embodiments, when PHFTI in DCI = 10, the UE repeats the transmission of PUCCH on slots n+5, n+6, and n+7 three times. In some embodiments, when PHFTI in DCI = 11, the UE repeats the transmission of PUCCH on slots n+5 and n+7 twice.

[0033] In some embodiments, the total number of one or more time offsets is equal to the number of times an uplink channel transmission is to be performed (e.g., the number of times PUCCH is repeatedly transmitted is equal to the number of offset values ​​corresponding to the HARQ offset indication in the DCI).

[0034] In some embodiments, when only one beam is configured or enabled for a PUCCH resource indicated or configured by a PRI or CSI report, only one beam is used for all PUCCH iterations. In some embodiments, the transmit iteration mode further indicates the number of transmit beams of the UE for at least one resource. In some embodiments, the transmit iteration mode indicates the mapping between the times of uplink channel transmits (e.g., the total number of iterations or transmits) and the transmit beams.

[0035] If more than one beam (e.g., M beams) is used (e.g., using beam diversity), the M beams are configured or activated by MAC-CE for a PUCCH resource selected or configured by PRI or CSI reporting. In some embodiments, the base station predefines or configures the mapping between T PUCCH transmits and M beams using upper-layer signaling. In some embodiments, one beam represents one spatial relationship or one TCI state. For example, M = 2 beams are activated for a PUCCH resource selected or configured by PRI or CSI reporting, and M beams are cycled for T (e.g., T = 4) PUCCH iterations, and for example, beams 0, 1, 0, and 1 are used for PUCCH iterations 0, 1, 2, and 3, respectively. In some embodiments, the T iterations are divided into M groups. In some embodiments, each iteration group or It includes consecutive repetitions. In some embodiments, M beams are used sequentially on M groups of PUCCH repetitions. For example, beams 0, 0, 1, 1 are used for PUCCH repetitions 0, 1, 2, and 3, respectively.

[0036] Traditionally, the beam of each PUCCH resource is activated by a MAC-CE. If X PUCCH resources are configured, X independent MAC-CEs are required. The MAC-CE overhead is substantial. In some embodiments, the transmit iteration mode indicates that the configured X PUCCH resources are divided into M' groups. In some embodiments, M' is greater than or equal to M. In some embodiments, PUCCH resources within the same PUCCH resource group have the same beam. To configure M beams for a PUCCH resource (or multiple PUCCH resources), in some embodiments, the PUCCH resource (or multiple PUCCH resources) may be included in (or divided into) M PUCCH resource groups. In some embodiments, each of the M or M' resource groups is associated with one of the UE's transmit beams. In some embodiments, M is an integer greater than 1. In some embodiments, when more than one beam (e.g., M > 1) is activated for a PRI-selected PUCCH resource and a single PUCCH iteration is indicated by PHFTI, one of the M beams may be determined for the single PUCCH iteration.

[0037] In some embodiments, the base station predefines one of M beams or a selection of one of M beams (e.g., the first beam of M beams is always used). In some embodiments, the base station associates sets of TCI states with corresponding UL beams. In some embodiments, the selection of one of M beams is based on TCI code points within the DCI. For example, M (or M') beams of PUCCH resources correspond to M (or M') sets of one or more TCI states. If the TCI state(s) indicated by the TCI code point belong to the m-th set of TCI states, the m-th beam associated with the m-th set of TCI states is used for PUCCH transmission. In some embodiments, associating M (or M') beams with M (or M') sets of one or more TCIs is extended until more than one PUCCH iteration is indicated.

[0038] In some embodiments, the beam selection(s) of the PRI-indicated PUCCH resource are based on the TCI code point within the DCI. In some embodiments, the TCI code point indicates the number of DL (downlink) beams. In some embodiments, one DL beam represents one TCI state or is otherwise associated with it. The UL (uplink) beam selection may be determined by the DL beam selection based on the DL / UL channel reciprocity. If multiple beams are used for the DL, multiple beams may be used for the UL beams. In some embodiments, the number of UL beams of the PUCCH resource is based on the number of DL beams indicated by the TCI code point.

[0039] FIG. 5 illustrates exemplary drawings of effective time offset values ​​according to some embodiments of the present disclosure. In some embodiments, a time offset of value k represents the (k+1)th available time unit(s) for uplink channel transmission (e.g., an effective slot or time period after PDSCH for PUCCH transmission). For example, a time offset of value k = 1 represents a second effective slot that can be used for PUCCH transmission after PDSCH. In some embodiments, a time offset of value k = 2 represents a third effective slot that can be used for PUCCH transmission after PDSCH. In some embodiments, an effective slot represents a slot having available UL symbols for corresponding PUCCH transmission. As illustrated in FIG. 5, the DL slot is not an effective slot for PUCCH transmission. In some embodiments, k = 1 corresponds to a second effective slot (e.g., slot 3) that can be used for PUCCH transmission. In some embodiments, PUCCH repetitions may be in consecutive effective slots. In some embodiments, multiple time offsets may be unnecessary, and the base station notifies (e.g., notifies, notifies, indicates, etc.) the number of iterations (T) and the time offset of the first iteration (e.g., effective slot offset or absolute slot offset). In some embodiments, the UE transmits PUCCH iterations over T consecutive effective slots based on receiving the notification. In some embodiments, the number of iterations is a higher layer configured and selected by the PRI or PHFTI.

[0040] In some embodiments, the PUCCH transmit repeat mode may be indicated by a combination of PHFTI and PRI (e.g., jointly indicated by them). In some embodiments, the PRI field and the PHFTI field within the DCI are jointly encoded. FIG. 6 illustrates an exemplary table of a joint DCI field according to some embodiments of the present disclosure. The joint DCI field of the present invention represents a DCI containing a PRI field and a PHFTI field. In some embodiments, the joint DCI field is used to select a PUCCH resource, indicate a PHFTI, and indicate a PUCCH transmit repeat mode. The DCI size of the joint DCI field may be the same as the DCI size of a DCI field containing only one of the PRI field and the PHFTI field (e.g., a legacy DCI field). In some embodiments, the joint DCI field has more bits than the legacy DCI field. In some embodiments, due to the more bits of the PRI field and the PHFTI field within the DCI, more states may be represented by the joint DCI field. For example, the total of 5 bits of the common field are used as illustrated in FIG. 6. Specific parameters of each PUCCH transmit repeat mode, which may include information regarding one or more PUCCH resources, one or more enabled / configured beams, one or more PHFTIs, the number of PUCCH transmits (T), the mapping of M beams and T repeats, and / or the mapping of one or more multiplexing modes and T transmits, are configured by upper-layer signaling. Note that the common DCI field may be a new DCI field that carries information regarding the repeat mode, PUCCH resource selection, and timing selection.

[0041] In blocking scenarios, current NR mechanisms for periodic and semi-continuous PUCCH transmission support only a single beam. If the configured or active beam is blocked during some PUCCH periods, the base station will not receive feedback from the UE (e.g., HARQ acknowledgments).

[0042] In some embodiments, CSI feedback is transmitted periodically over the PUCCH. To obtain beam diversity gain, the PUCCH resource may be transmitted multiple times as independent beams within a periodicity. Since the slot format may not include multiple consecutive UL slots, T time offsets may be configured for a single CSI report (e.g., CSI-ReportConfig). The time offsets may be based on the slot level or the symbol level. In some embodiments, T is 1 or greater. In some embodiments, each time offset corresponds to a time in a single PUCCH time domain within a periodicity.

[0043] For each CSI report, a PUCCH transmit repeat mode may be configured. In some embodiments, the transmit repeat mode includes TDM / FDM / SDM between multiple PUCCH transmits, T time offsets, PUCCH resource(s) having M beams, and / or mapping between C PUCCH times and M beams.

[0044] FIG. 7 illustrates an exemplary configuration of time slots according to CSI reporting, according to some embodiments of the present disclosure. As shown in FIG. 7, the base station configures a periodicity of 5 slots, the number of slot offsets T = 2 slot offsets, the first slot offset T1 = 1, and the second slot offset T2 = 4. In some embodiments, based on the configuration, the UE repeats PUCCH transmission twice in slot 1 and slot 4.

[0045] FIG. 8 illustrates an exemplary configuration of time slots according to CSI reporting, according to some embodiments of the present disclosure. In some embodiments, time domain locations of subsequent (e.g., second, third, or other additional) PUCCH iterations are based on a first PUCCH time domain location and a time offset for the first PUCCH iteration. The time offset may be a slot offset or a symbol offset. The slot offset of the first PUCCH iteration may be configured (e.g., configured or encoded) in conjunction with periodicity. As illustrated in FIG. 8, the base station configures a slot offset of 1 for the first PUCCH transmission. In some embodiments, the UE transmits the first PUCCH iteration in slot 1 based on the configuration. As illustrated in FIG. 8, the base station configures a second time offset of 2 symbols for the second PUCCH iteration. In some embodiments, the UE transmits the second PUCCH iteration 2 symbols after the first PUCCH iteration based on the configuration of the second time offset. In some embodiments, the base station may co-encode the slot offset and periodicity of the first PUCCH iteration in the first CSI report. In some embodiments, the base station may encode subsequent time offset(s) for subsequent PUCCH iterations in subsequent CSI reports.

[0046] To save, minimize, or reduce MAC-CE overhead for a UE, the configured X PUCCH resources may be divided into Y groups. In some embodiments, PUCCH resources within the same group have the same beam, for example, Y may be 1, 2, 3, or 4. In some embodiments, up to Y beams are supported for a serving cell or BWP (partial bandwidth) or UE. A single MAC-CE transmission may be used to update the beam of a PUCCH resource group (e.g., a first type PUCCH resource group).

[0047] To support multiple transmission reception point (TRP) transmissions, in some embodiments, the base station introduces (e.g., introduces, configures, determines, generates, etc.) one or more upper-layer indices (e.g., TRP index, pool index, and / or CORESETPoolIndex) per CORESET (control resource set). Candidate values ​​(e.g., candidate TRP index values) may be 0 or 1 corresponding to the first TRP and the second TRP, respectively. In some embodiments, the configured CORESET is grouped into B sets (e.g., B = 2) corresponding to two TRPs.

[0048] To implement separate PUCCH transmissions for multiple TRPs, PUCCH resources may be divided into B PUCCH resource groups (e.g., second-type PUCCH resource groups). In some embodiments, each second-type PUCCH resource group is associated with a higher-level index (e.g., TRP index) per CORESET. For example, second-type PUCCH resource group 0 is associated with TRP index 0, and second-type PUCCH resource group 1 is associated with TRP index 1.

[0049] To avoid scheduling errors, in some embodiments, the base station associates two types of PUCCH resource groups. In some embodiments, the base station predefines rules. One of the predefined rules may include all PUCCH resources within a single Type 1 PUCCH resource group being associated with the same TRP index (i.e., the same Type 2 PUCCH group). In some embodiments, PUCCH resources within a Type 1 PUCCH resource group, e.g., group i, are not associated with different TRP indices. In some embodiments, the UE does not identify (e.g., expect) that some PUCCH resources within a Type 1 PUCCH resource group will be associated with TRP index 0, but the UE identifies that some other PUCCH resources within a Type 1 PUCCH resource group will be associated with TRP index 1. In some embodiments, all PUCCH resources within a single Type 1 PUCCH resource group belong to the same Type 2 PUCCH resource group. In some embodiments, for the case of an abnormal backhaul between two TRPs, the two TRPs use separate beams.

[0050] In some embodiments, when a non-ideal backhaul is used between two TRPs, UL configuration approval PUSCH scheduling by different TRPs is independent. To maintain different power controls (e.g., closed-loop power controls), the base station notifies the UE of the upper-level index of the configuration approval PUSCH (e.g., TRP index or pool index). In some embodiments, for PUSCH transmissions from different TRPs, power controls are independent. In some embodiments, for PUSCH transmissions from the same TRP, power controls are identical.

[0051] In some embodiments, the base station associates a TRP index with each configured grant PUSCH (ConfiguredGrantConfig). In some embodiments, the base station configures a new parameter (e.g., a pool index) for each upper layer parameter ConfiguredGrantConfig. In some embodiments, the base station configures an association between the pool index, at least one of two types of PUCCH resource groups, one configured grant, and a demodulation reference signal (DMRS) port of a data transmission scheduled by a DCI without a port indication. In some embodiments, an association between the pool index, at least one of two types of PUCCH resource groups, one configured grant, and a demodulation reference signal (DMRS) port of a data transmission scheduled by a DCI without a port indication is predefined. In some embodiments, the base station associates the pool index with a TRP index (e.g., a carrier index or an upper layer index by CORESET) or causes the pool index to reference the TRP index. In some embodiments, the pool index may be a TRP index.

[0052] In some embodiments, if the pool index in ConfiguredGrantConfig is 0, PUSCH transmissions based on ConfiguredGrantConfig are associated with TRP index 0. In some embodiments, if the pool index in ConfiguredGrantConfig is 1, PUSCH transmissions based on ConfiguredGrantConfig are associated with TRP index 1. In some embodiments, all (e.g., PUCCH) resources within a single Type 1 (e.g., PUCCH) resource group are associated with a single Type 2 (e.g., PUCCH) resource group. In some embodiments, resources within a Type 1 resource group have a transmit beam (e.g., the same transmit beam), and resources within a Type 2 group are associated with the same pool index.

[0053] In some embodiments, the demodulation reference signal (DMRS) ports of two PDSCHs scheduled by two PDCCHs from two CORESETs having different TRP indices, e.g., the DMRS ports of two PDSCHs scheduled by two TRPs, are orthogonal when the two PDSCHs overlap (e.g., when they completely or partially overlap in the time domain or frequency domain). On the UE side, the two PDSCHs may interfere with each other, but in some embodiments, the orthogonal DMRS ports of the two PDSCHs are used for decoding. In some embodiments, to use the same receive beam in a single time / frequency resource, the DMRS ports of the two PDSCHs are mapped onto different DMRS code division multiplexing (CDM) groups. In some embodiments, the base station configures a DCI format 1_1 to be used for PDSCH scheduling. Two TRPs may coordinate and semi-statically use different DMRS CDM groups for DMRS transmission. In some embodiments, when a UE is configured by a higher-level parameter PDCCH-Config containing two different values ​​of CORESETPoolIndex or TRP index in CORESETs, the UE may be scheduled to nested PDSCHs by multiple PDCCHs. In some embodiments, the base station and / or UE must comply with rules or constraints regarding scheduling the UE to nested PDSCHs by multiple PDCCHs. Rules or constraints may include the UE not identifying (e.g., not expected to identify, not expected to assume, etc.) that DMRS ports within a CDM group are indicated by two TCI states. In some embodiments, one TCI corresponds to one TRP index.In the case of DCI format 1_1, X bits of the antenna port field within the DCI are used to indicate DMRS port information for each PDSCH. In some embodiments, two DCIs from two TRPs (associated with different TRP indices) ensure that the indicated DMRS ports are mapped onto different CDM groups.

[0054] However, DCI format 1_0 does not have an antenna port field. There is no way to select DMRS ports for PDSCHs from different TRPs. Some embodiments associate the DMRS port of a PDSCH scheduled by DCI format 1_0 with a TRP index. In some embodiments, when a PDSCH is scheduled by DCI format 1_0 associated with TRP index 0, the DMRS port of the PDSCH is DMRS port 0 (or 1) (e.g., assigned to it, assumed to it, etc.). When a PDSCH is scheduled by DCI format 1_0 associated with TRP index 1, the DMRS port of the PDSCH is DMRS port 2 (or 3).

[0055] In some embodiments, when the PDSCH is scheduled by DCI format 1_0 associated with TRP index 0, the DMRS port of the PDSCH is DMRS port 0 (or 1). When the PDSCH is scheduled by DCI format 1_0 associated with TRP index 1, the DMRS port of the PDSCH is DMRS port 3 (or 2). In some embodiments, the DMRS port of the PDSCH from TRP 0 is still the same as the legacy NR. In some embodiments, only the DMRS port of the PDSCH from TRP 1 may be changed. In some embodiments, one RRC signaling may be used to indicate whether the DMRS port of the PDSCH scheduled by DCI format 1_0 associated with TRP index 1 is port 0 or port 2 (or 3). In some embodiments, when associated with port 0, the DMRS port of TRP 1 is the same as the DMRS port associated with a legacy (e.g., legacy, current, traditional) NR release.

[0056] In some embodiments, DMRS port i represents DMRS port 1000+i. In some embodiments, for PDSCHs (or PUSCHs) scheduled by some DCIs that do not have antenna port fields, the DMRS port for each data transmission (e.g., PDSCH) is determined by a TRP index or pool index associated with the DCI.

[0057] DCI format 1_0 can be used for both CSS (common search space) and USS (UE specific search space). In some embodiments, for a DCI format associated with CSS, the DMRS port is identical to the DRMS ​​port associated with legacy NR, and the PDSCH scheduled by DCI is shared for all UEs. In some embodiments, for a DCI format associated with USS, the DMRS port for each PDSCH is determined by the TRP index associated with DCI. In some embodiments, the radio network temporary identifier (RNTI) associated with USS includes at least one of C-RNTI (cell-RNTI), MCS-C-RNTI (modulation coding scheme-C-RNTI), CS-RNTI, and SP-CSI-RNTI.

[0058] In some embodiments, the reusable Carrier Aggregation (CA) structure supports multiple TRP transmissions. In some embodiments, one carrier (e.g., carrier or serving cell) represents one TRP. Some carriers corresponding to multiple TRPs within an overlapping frequency band may cover the same or overlapping frequency resources. In some embodiments, since the antenna port field does not exist in DCI format 1_0, there is no way to select DMRS ports for PDSCHs from different TRPs. Some embodiments associate the DMRS ports of PDSCHs scheduled by DCI format 1_0 with a carrier index (e.g., carrier index or called serving cell index). In some embodiments, the DMRS port for each PDSCH is determined by the carrier index (e.g., instead of the TRP index). In some embodiments, each carrier represents one TRP.

[0059] In some embodiments, when PDSCH is scheduled by DCI format 1_0 for carrier index a, the DMRS port of this PDSCH is DMRS port 0 (or 1). In some embodiments, when PDSCH is scheduled by DCI format 1_0 for carrier index b, the DMRS port of the PDSCH is DMRS port 2 (or 3). In some embodiments, carriers a and b are different and may be configured upper layers. For example, candidate carrier a may include carriers 0, 1, 4, and 5, and candidate carrier b may include carriers 2, 3, 6, and 7. Candidate carrier a or b may be configured by upper layer signaling.

[0060] FIG. 9 illustrates a flowchart illustrating a method (900) for configuring a transmission repetition mode according to some embodiments of the present disclosure. Referring to FIGS. 1 through 8, in some embodiments, the method (900) is performed by BS (102) and / or BS (202). Depending on the embodiment, additional, fewer, or different operations may be performed in the method (900).

[0061] A wireless communication node configures a transmit repeat mode for uplink channel transmission of a wireless communication device and at least one resource (902). In some embodiments, the transmit repeat mode indicates at least one of the number of uplink channel transmissions to be performed, one or more multiplexing modes of the number of uplink channel transmissions to be performed, and one or more time positions of the number of uplink channel transmissions to be performed.

[0062] The wireless communication node transmits a transmit repeat mode to the wireless communication device (904). In some embodiments, each number of uplink channel transmits is associated with one transmit beam. In some embodiments, the transmit repeat mode is transmitted to the wireless communication device via downlink control information or channel status information reporting configuration.

[0063] FIG. 10 illustrates a flowchart illustrating a method (1000) for configuring associations for a pool index according to some embodiments of the present disclosure. Referring to FIGS. 1 through 8, in some embodiments, the method (1000) is performed by BS (102) and / or BS (202). Depending on the embodiment, additional, fewer, or different operations may be performed in the method (1000).

[0064] A wireless communication node forms an association between a pool index, at least one of two types of uplink control channel resource groups, a configured acknowledgment, and a demodulation reference signal (DMRS) port for data transmission scheduled by downlink control information without port indication (1002). In some embodiments, the pool index represents a carrier index or an upper-level index configured by a set of control resources. In some embodiments, the DMRS port for data transmission scheduled by downlink control information without port indication is determined according to the pool index.

[0065] FIG. 11 illustrates a flowchart illustrating a method (1100) for pre-defining associations for a pool index according to some embodiments of the present disclosure. Referring to FIGS. 1 through 8, in some embodiments, the method (1100) is performed by BS (102) and / or BS (202). Depending on the embodiment, additional, fewer, or different operations may be performed in the method (1100).

[0066] A wireless communication node predefines an association between a pool index, at least one of two types of uplink control channel resource groups, a configured acknowledgment, and a demodulation reference signal (DMRS) port of a data transmission scheduled by downlink control information that does not have a port indication (1102). The wireless communication node transmits a pool index (1104). In some embodiments, the pool index represents a carrier index or an upper-level index configured per set of control resources. In some embodiments, resources within one type 1 resource group are associated with one type 2 resource group, wherein resources within the type 1 resource group have a transmit beam and resources within the type 2 resource group are associated with the same pool index.

[0067] Although various embodiments of the present solution have been described above, it should be understood that they are presented merely as examples and not as a limitation. Likewise, various drawings may illustrate exemplary architectures or configurations, provided to enable a person skilled in the art to understand the exemplary features and functions of the present solution. However, such a person skilled in the art will understand that the present solution is not limited to the exemplary architectures or configurations illustrated but may be implemented using various alternative architectures and configurations. Additionally, as will be understood by a person skilled in the art, one or more features of one embodiment may be combined with one or more features of another embodiment described herein. Accordingly, the breadth and scope of the present disclosure should not be limited by any of the exemplary embodiments described above.

[0068] It is also understood that any reference to elements of the present invention using designations such as “first,” “second,” etc., generally does not limit the quantity or order of such elements. Rather, such designations may be used herein as a convenient means of distinguishing two or more elements or instances of elements. Accordingly, references to first and second elements do not imply that only two elements may be used or that the first element must precede the second element in any way.

[0069] Additionally, a person skilled in the art will understand that information and signals may be represented using any of the various different technologies and techniques. For example, data, instructions, commands, information, signals, bits, and symbols that may be mentioned in the description above may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0070] A person skilled in the art will further recognize that any of the various exemplary logic blocks, modules, processors, means, circuits, methods, and functions described in connection with the embodiments disclosed herein may be implemented by electronic hardware (e.g., digital implementation, analog implementation, or a combination of both), firmware, various forms of programs or design code including instructions (which may be referred to herein as “software” or “software modules” for convenience), or any combination of such techniques. To clearly exemplify this interchangeability of hardware, firmware, and software, various exemplary components, blocks, modules, circuits, and steps have generally been described above with respect to their functionality. Whether such functionality is implemented in hardware, firmware, software, or a combination of these techniques is determined by the design constraints imposed on the overall system and the specific application. A person skilled in the art may implement the functionality described in various ways for each specific application, but such determinations of implementation do not depart from the scope of this disclosure.

[0071] Furthermore, a person skilled in the art will understand that the various exemplary logic blocks, modules, devices, components, and circuits described herein may be implemented or performed by an integrated circuit (IC) that may include a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, or any combination thereof. The logic blocks, modules, and circuits may further include antennas and / or transceivers to communicate with various components within a network or device. The general-purpose processor may be a microprocessor, but alternatively, the processor may be any conventional processor, controller, or state machine. The processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors working in conjunction with a DSP core, or any other suitable configuration for performing the functions described herein.

[0072] When implemented in software, functions may be stored as one or more instructions or code on a computer-readable medium. Accordingly, steps of the method or algorithm disclosed herein may be implemented as software stored on a computer-readable medium. Computer-readable media include both communication media and computer storage media, comprising any medium that can be enabled to transmit a computer program or code from one place to another. Storage media may be any available medium that can be accessed by a computer. As an example, but not a limitation, such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and can be accessed by a computer.

[0073] In this document, the term “module” as used herein refers to software, firmware, hardware, and any combination of these elements for performing the associated functions described herein. Additionally, for the purposes of discussion, various modules are described as separate modules; however, as will be apparent to a person skilled in the art, two or more modules may be combined to form a single module that performs the associated functions according to the embodiments of the solution.

[0074] Additionally, communication components as well as memory or other storage may be utilized in embodiments of the present solution. For the sake of clarity, it will be recognized that the above description has described embodiments of the present solution by reference to different functional units and processors. However, it will be apparent that any suitable distribution of functionality between different functional units, processing logic elements, or domains may be used without compromising the present solution. For example, functionality exemplified as being performed by distinct processing logic elements or controllers may be performed by the same processing logic element or controller. Accordingly, references to specific functional units do not indicate a strict logical or physical structure or configuration, but merely refer to suitable means for providing the described functionality.

[0075] Various modifications to the embodiments described herein will be readily apparent to those skilled in the art, and general principles defined herein may be applied to other embodiments without departing from the scope of this disclosure. Accordingly, this disclosure is not intended to be limited to the embodiments shown herein, but should be granted the broadest scope consistent with the novel features and principles disclosed herein as described in the claims below.

Claims

Claim 1 A method comprising the step of performing uplink channel transmission a number of times on a physical uplink control channel (PUCCH) according to a transmission repetition mode by a wireless communication device, wherein an indication of the number of times the uplink channel transmission is to be performed is received by the wireless communication device from a wireless communication node through downlink control information (DCI), and the transmission repetition mode is indicated through at least one of a timing indicator field and a resource indicator field of the DCI, and the transmission repetition mode includes (i) a number of times the uplink channel transmission is to be performed, and (ii) a number of transmission beams of the wireless communication device for at least one resource, and (a) each of the transmission beams is applied in a cyclic order for the number of times the uplink channel transmission is to be performed, or (b) each of the transmission beams is applied to each of a plurality of repetition groups, and the number of repetition groups within the plurality of repetition groups is equal to the number of transmission beams, and the transmission repetition mode indicates a mapping between the number of repetitions and the transmission beams. Claim 2 A method according to claim 1, wherein each of the certain number of times the uplink channel transmission must be performed is associated with one transmission beam. Claim 3 A method according to claim 1, wherein each of the transmission beams represents a respective spatial relationship. Claim 4 A method according to claim 1, wherein the transmission repetition mode further includes a certain number of multiplexing modes for which the uplink channel transmission is to be performed, and the certain number of multiplexing modes for which the uplink channel transmission is to be performed include time division multiplexing. Claim 5 A wireless communication device comprising at least one processor, wherein the at least one processor is configured to perform uplink channel transmission a certain number of times on a physical uplink control channel (PUCCH) according to a transmit repeat mode, wherein an indication of the certain number of times the uplink channel transmission is to be performed is received by the wireless communication device from a wireless communication node through downlink control information (DCI), wherein the transmit repeat mode is indicated through at least one of a timing indicator field and a resource indicator field of the DCI, wherein the transmit repeat mode comprises (i) a certain number of times the uplink channel transmission is to be performed, and (ii) a number of transmit beams of the wireless communication device for at least one resource, and (a) each of the transmit beams is applied in a cyclic order for the number of times the uplink channel transmission is to be performed, or (b) each of the transmit beams is applied to each of a plurality of repeat groups, and the number of repeat groups within the plurality of repeat groups is equal to the number of transmit beams, and wherein the transmit repeat mode indicates a mapping between the number of repeats and the transmit beams. Claim 6 A wireless communication device, wherein, in paragraph 5, each of the certain number of times the uplink channel transmission is to be performed is associated with a single transmission beam. Claim 7 A wireless communication device according to claim 5, wherein each of the above-mentioned transmission beams represents a respective spatial relationship. Claim 8 A wireless communication device according to claim 5, wherein the transmission repetition mode further includes a certain number of multiplexing modes in which the uplink channel transmission is to be performed, and the certain number of multiplexing modes in which the uplink channel transmission is to be performed include time division multiplexing. Claim 9 In the method, the step of transmitting a certain number of indications that uplink channel transmissions must be performed by the wireless communication device on a physical uplink control channel (PUCCH) via downlink control information (DCI) by a wireless communication node to a wireless communication device; A method comprising the step of receiving uplink channel transmissions a predetermined number of times on the PUCCH according to a transmission repetition mode from the wireless communication device by the wireless communication node, wherein the transmission repetition mode is indicated through at least one of the timing indicator field and the resource indicator field of the DCI, and the transmission repetition mode includes (i) a predetermined number of times the uplink channel transmission is to be performed, and (ii) a number of transmission beams of the wireless communication device for at least one resource, (a) each of the transmission beams is applied in a cyclic order for the number of times the uplink channel transmission is to be performed, or (b) each of the transmission beams is applied to each of a plurality of repetition groups, and the number of repetition groups within the plurality of repetition groups is equal to the number of transmission beams, and the transmission repetition mode indicates a mapping between the number of repetitions and the transmission beams. Claim 10 A method according to claim 9, wherein each of the certain number of times the uplink channel transmission must be performed is associated with one transmission beam. Claim 11 In paragraph 9, a method in which each of the above-mentioned transmission beams represents a respective spatial relationship. Claim 12 A method according to claim 9, wherein the transmission repetition mode further includes a certain number of multiplexing modes in which the uplink channel transmission is to be performed, and the certain number of multiplexing modes in which the uplink channel transmission is to be performed include time-division multiplexing. Claim 13 A wireless communication node comprises at least one processor, wherein the at least one processor: transmits, via a transmitter to a wireless communication device, via downlink control information (DCI), an indication of a certain number of times that uplink channel transmissions are to be performed by the wireless communication device on a physical uplink control channel (PUCCH), and is configured to receive the certain number of uplink channel transmissions on the PUCCH via a receiver according to a transmission repetition mode, wherein the transmission repetition mode is indicated through at least one of a timing indicator field and a resource indicator field of the DCI, and wherein the transmission repetition mode comprises (i) a certain number of times that the uplink channel transmissions are to be performed, and (ii) a number of transmission beams of the wireless communication device for at least one resource, (a) each of the transmission beams is applied in a cyclic order for the number of times that the uplink channel transmissions are to be performed, or (b) each of the transmission beams is applied to each of a plurality of repetition groups, and the number of repetition groups within the plurality of repetition groups is equal to the number of transmission beams, and wherein the transmission repetition mode comprises the number of repetitions and the transmission A wireless communication node that displays the mapping between beams. Claim 14 In Clause 13, a wireless communication node in which each of the certain number of times the uplink channel transmission is to be performed is associated with a single transmission beam. Claim 15 In paragraph 13, a wireless communication node in which each of the above-mentioned transmission beams represents a respective spatial relationship. Claim 16 A wireless communication node according to claim 13, wherein the transmission repetition mode further includes a certain number of multiplexing modes in which the uplink channel transmission is to be performed, and the certain number of multiplexing modes in which the uplink channel transmission is to be performed include time division multiplexing. Claim 17 delete Claim 18 delete Claim 19 delete Claim 20 delete Claim 21 delete Claim 22 delete

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