Apparatus in wireless communication system and method performed by same

Abstract

An apparatus in a wireless communication system and a method performed by the same are provided. The method comprises the steps that a PDCCH is received, the PDCCH indicates receiving of downlink physical signals on a service cell, and the downlink physical signals comprise public downlink physical signals; and receiving a downlink physical signal when at least a first condition is satisfied and a time interval between an end symbol of the PDCCH and a start symbol of an uplink physical channel or an uplink physical signal is not less than a first time, the uplink physical channel or the uplink physical signal being on a serving cell, the first condition comprises at least one of the following conditions: the downlink physical signal is overlapped with the uplink physical channel or the uplink physical signal in a time domain, and a time interval between an end symbol of the downlink physical signal and a start symbol of the uplink physical channel or the uplink physical signal is less than second time; or the time interval between the end symbol of the uplink physical channel or the uplink physical signal and the start symbol of the downlink physical signal is less than the third time.

Description

Technical Field

[0001] This disclosure relates to wireless communication technology, and more specifically, to apparatus in a wireless communication system and methods for performing the same. Background Technology

[0002] To meet the increased demand for wireless data communication services since the deployment of 4G communication systems, efforts have been made to develop improved 5G or near-5G communication systems. Therefore, 5G or near-5G communication systems are also referred to as "super 4G networks" or "post-LTE systems".

[0003] 5G communication systems are implemented in higher frequency (millimeter wave, mmWave) bands (e.g., the 60 GHz band) to achieve higher data rates. To reduce radio wave propagation loss and increase transmission distance, beamforming, massive MIMO (Multiple-Input Multiple-Output), full-dimensional MIMO (FD-MIMO), array antennas, analog beamforming, and massive MIMO technologies are discussed in 5G communication systems.

[0004] In addition, in 5G communication systems, development is underway to improve system networks based on advanced small cells, radio access networks (RAN), ultra-dense networks, device-to-device (D2D) communication, wireless backhaul, mobile networks, cooperative communication, coordinated multi-points (CoMP), and receiver interference cancellation.

[0005] In 5G systems, hybrid FSK and QAM modulation (FQAM) and sliding window superposition coding (SWSC) have been developed as advanced coding modulation (ACM), as well as filter bank multi-carrier (FBMC), non-orthogonal multiple access (NOMA) and sparse code multiple access (SCMA) as advanced access technologies. Summary of the Invention

[0006] According to some aspects of this disclosure, a method performed by a terminal in a wireless communication system is provided. The method includes: receiving a physical downlink control channel (PDCCH), the PDCCH indicating the reception of downlink physical signals on a serving cell, wherein the downlink physical signals include common downlink physical signals; and receiving the downlink physical signals at least satisfying a first condition, and provided that the time interval between the end symbol of the PDCCH and the start symbol of an uplink physical channel or the uplink physical signal is not less than a first time interval, wherein the uplink physical channel or the uplink physical signal is on the serving cell. The first condition includes at least one of the following: the downlink physical signal overlaps with the uplink physical channel or the uplink physical signal in the time domain; the time interval between the end symbol of the downlink physical signal and the start symbol of the uplink physical channel or the uplink physical signal is less than a second time interval; or the time interval between the end symbol of the uplink physical channel or the uplink physical signal and the start symbol of the downlink physical signal is less than a third time interval.

[0007] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: not receiving the downlink physical signal if the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time.

[0008] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: transmitting the uplink physical channel or the uplink physical signal if the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time.

[0009] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: not transmitting the uplink physical channel or the uplink physical signal if at least a first condition is met and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time.

[0010] In conjunction with one or more aspects of the method executed by the terminal described above, for example, the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than a fourth time.

[0011] In conjunction with one or more aspects of the methods executed by the terminal described above, for example, the fourth time is shorter than the first time.

[0012] In conjunction with one or more aspects of the method performed by the terminal described above, for example, receiving the downlink physical signal includes: receiving the downlink physical signal when the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time, and the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than a fifth time.

[0013] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: not receiving the downlink physical signal if the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is less than a fifth time.

[0014] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: reporting the capability to receive the downlink physical signal.

[0015] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes: receiving first information, wherein the first information enables the reception of the downlink physical signal.

[0016] In conjunction with one or more aspects of the method performed by the terminal described above, for example, receiving the downlink physical signal includes: receiving the downlink physical signal when at least a first condition is satisfied for each of one or more uplink physical channels and / or one or more uplink physical signals, and when the time interval between the end symbol of the PDCCH and the start symbol of each of the plurality of uplink physical channels or uplink physical signals is not less than a first time.

[0017] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the method further includes resolving the overlap of the one or more uplink physical channels and / or the one or more uplink physical signals with a first predefined symbol to determine at least one second uplink physical channel and / or at least one second uplink physical signal. Receiving the downlink physical signal includes: receiving the downlink physical signal if at least a first condition is satisfied for each of the at least one second uplink physical channel and / or the at least one second uplink physical signal, and the time interval between the end symbol of the PDCCH and the start symbol of each of the at least one second uplink physical channel and / or the at least one second uplink physical signal is not less than a first time.

[0018] In conjunction with one or more aspects of the method performed by the terminal described above, for example, the first predefined symbol includes at least one of the following: a semi-statically configured downlink symbol; a symbol of a synchronization signal block (SSB) that is not indicated to be received by the downlink control information (DCI) format; or a symbol of control resource set 0 (CORESET0).

[0019] In conjunction with one or more aspects of the methods executed by the terminal described above, for example, each of the first time, the second time, the third time, the fourth time, and the fifth time is a predefined time.

[0020] In conjunction with one or more aspects of the methods performed by the terminal described above, for example, the downlink physical signal includes a synchronization signal block (SSB).

[0021] In conjunction with one or more aspects of the methods performed by the terminal described above, for example, the SSB includes a non-cell-defined SSB (NCD-SSB).

[0022] According to some aspects of this disclosure, a method performed by a base station in a wireless communication system is provided. The method includes: transmitting a Physical Downlink Control Channel (PDCCH) to a terminal, the PDCCH indicating reception of downlink physical signals on a serving cell, wherein the downlink physical signals include common downlink physical signals, wherein the downlink physical signals are received by the terminal if at least a first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of an uplink physical channel or the uplink physical signal is not less than a first time, wherein the uplink physical channel or the uplink physical signal is on the serving cell, wherein the first condition includes at least one of the following: the downlink physical signal overlaps with the uplink physical channel or the uplink physical signal in the time domain; the time interval between the end symbol of the downlink physical signal and the start symbol of the uplink physical channel or the uplink physical signal is less than a second time; or the time interval between the end symbol of the uplink physical channel or the uplink physical signal and the start symbol of the downlink physical signal is less than a third time.

[0023] In conjunction with one or more aspects of the method performed by the base station as described above, for example, if the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time, the downlink physical signal is not received.

[0024] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the uplink physical channel or the uplink physical signal is transmitted when the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time.

[0025] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the uplink physical channel or the uplink physical signal is not transmitted if at least a first condition is met and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time.

[0026] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than a fourth time.

[0027] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the fourth time is shorter than the first time.

[0028] In conjunction with one or more aspects of the method performed by the base station described above, for example, the downlink physical signal is received when the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or uplink physical signal is not less than a first time, and the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than a fifth time.

[0029] In conjunction with one or more aspects of the method performed by the base station as described above, for example, if the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is less than a fifth time, the downlink physical signal is not received.

[0030] In conjunction with one or more aspects of the method performed by the base station described above, for example, the method further includes: receiving the capability reported by the terminal to support the reception of the downlink physical signal.

[0031] In conjunction with one or more aspects of the method performed by the base station described above, for example, the method further includes: sending first information to the terminal, wherein the first information enables the reception of the downlink physical signal.

[0032] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the downlink physical signal is received when at least a first condition is met for each of one or more uplink physical channels and / or one or more uplink physical signals, and when the time interval between the end symbol of the PDCCH and the start symbol of each of the plurality of uplink physical channels or uplink physical signals is not less than a first time.

[0033] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the overlap of the one or more uplink physical channels and / or the one or more uplink physical signals with a first predefined symbol is resolved to determine at least one second uplink physical channel and / or at least one second uplink physical signal. The downlink physical signal is received if at least a first condition is satisfied for each of the at least one second uplink physical channel and / or the at least one second uplink physical signal, and the time interval between the end symbol of the PDCCH and the start symbol of each of the at least one second uplink physical channel and / or the at least one second uplink physical signal is not less than a first time interval.

[0034] In conjunction with one or more aspects of the method performed by the base station as described above, for example, the first predefined symbol includes at least one of the following: a semi-statically configured downlink symbol; a symbol for a synchronization signal block (SSB) that is not indicated to be received by downlink control information (DCI) format; or a symbol for control resource set 0 (CORESET0).

[0035] In conjunction with one or more aspects of the method performed by the base station as described above, for example, each of the first time, the second time, the third time, the fourth time, and the fifth time is a predefined time.

[0036] In conjunction with one or more aspects of the methods performed by the base station as described above, for example, the downlink physical signal includes a synchronization signal block (SSB).

[0037] In conjunction with one or more aspects of the methods performed by the base station as described above, for example, the SSB includes a non-cell defined SSB (NCD-SSB).

[0038] According to some aspects of this disclosure, a terminal in a wireless communication system is also provided. The terminal includes: a transceiver; and one or more processors coupled to the transceiver and configured to perform one or more aspects of the methods described above performed by the terminal.

[0039] According to some aspects of this disclosure, a base station in a wireless communication system is also provided. The base station includes: a transceiver; and one or more processors coupled to the transceiver and configured to perform one or more aspects of the methods performed by the base station described above.

[0040] According to some aspects of this disclosure, a computer-readable storage medium is also provided, on which one or more computer programs are stored, wherein when the one or more computer programs are executed by one or more processors, one or more aspects of the terminal-executed methods described above can be implemented.

[0041] According to some aspects of this disclosure, a computer-readable storage medium is also provided, on which one or more computer programs are stored, wherein when the one or more computer programs are executed by one or more processors, one or more aspects of the methods performed by the base station described above can be implemented. Attached Figure Description

[0042] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings of the embodiments of this disclosure will be briefly described below. Clearly, the drawings described below only relate to some embodiments of this disclosure and are not intended to limit the scope of this disclosure. In the drawings:

[0043] Figure 1 A schematic diagram of an example wireless network according to some embodiments of the present disclosure is shown;

[0044] Figure 2A and Figure 2B Example wireless transmission and reception paths according to some embodiments of this disclosure are shown;

[0045] Figure 3A Example user equipment (UE) according to some embodiments of the present disclosure is shown;

[0046] Figure 3B Example gNBs are shown according to some embodiments of this disclosure;

[0047] Figure 4 A block diagram of a first transceiver node according to some embodiments of the present disclosure is shown;

[0048] Figure 5 A block diagram of a second transceiver node according to some embodiments of the present disclosure is shown;

[0049] Figure 6 A flowchart of a method performed by a base station according to some disclosed embodiments is shown;

[0050] Figure 7 A flowchart of a method performed by a UE according to some disclosed embodiments is shown;

[0051] Figures 8A-8C Examples of uplink transmission timing according to some embodiments of the present disclosure are shown;

[0052] Figure 9A and Figure 9B An example of a time-domain resource allocation table according to some embodiments of this disclosure is shown;

[0053] Figure 10 A flowchart of a method executed by a terminal according to some embodiments of the present disclosure is shown;

[0054] Figure 11 A flowchart of a method performed by a base station according to some embodiments of the present disclosure is shown. Detailed Implementation

[0055] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0056] Before proceeding with the detailed description below, it may be advantageous to define certain words and phrases used throughout this patent document. The term “coupled” and its derivatives refer to any direct or indirect communication between two or more elements, regardless of whether these elements are physically in contact with each other. The terms “transmit,” “receive,” and “communicate,” and their derivatives cover both direct and indirect communication. The terms “comprising” and “including,” and their derivatives mean including but not limited to. The term “or” is inclusive, meaning and / or. The phrase “associated with,” and its derivatives mean including, comprising, connected to, interconnected with, containing, contained within, connected to or connected to, coupled to or coupled with, communicable with, cooperating with, intertwined, juxtaposed, proximate, bound to or bound to, having, possessing attributes of, having a relationship with, or having a relationship with. The term “controller” means any device, system, or part thereof that controls at least one operation. Such a controller may be implemented in hardware or in a combination of hardware and software and / or firmware. The functionality associated with any particular controller may be centralized or distributed, local or remote. The phrase "at least one of..." when used with a list of items means that different combinations of one or more of the listed items may be used, and it may be necessary to use only one item from the list. For example, "at least one of A, B, and C" includes any of the following combinations: A, B, C, A and B, A and C, B and C, and A and B and C. Similarly, "at least one of A, B, or C" includes any of the following combinations: A, B, C, A and B, A and C, B and C, and A and B and C.

[0057] Furthermore, in the description of exemplary embodiments of this disclosure, " / " means "and / or". For example, "A / B" can refer to A and / or B.

[0058] Furthermore, the various functions described below can be implemented or supported by one or more computer programs, each computer program being formed by computer-readable program code and embodied in a computer-readable medium. The terms "application" and "program" refer to one or more computer programs, software components, instruction sets, procedures, functions, objects, classes, instances, associated data, or portions thereof suitable for implementation in appropriate computer-readable program code. The phrase "computer-readable program code" includes any type of computer code, including source code, object code, and executable code. The phrase "computer-readable medium" includes any type of medium that can be accessed by a computer, such as read-only memory (ROM), random access memory (RAM), hard disk drive, optical disc (CD), digital video disc (DVD), or any other type of storage. "Non-transitory" computer-readable media excludes wired, wireless, optical, or other communication links that transmit transient electrical or other signals. Non-transitory computer-readable media includes media that can permanently store data and media that can store and later rewrite data, such as rewritable optical discs or erasable memory devices.

[0059] The terminology used herein to describe embodiments of the invention is not intended to limit and / or restrict the scope of the invention. For example, unless otherwise defined, the technical or scientific terms used herein should be understood in their ordinary sense by one of ordinary skill in the art to which this invention pertains.

[0060] It should be understood that the terms “first,” “second,” and similar words used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Unless the context clearly indicates otherwise, the singular forms “a,” “one,” or “the,” and similar words do not indicate a quantity limitation, but rather indicate the presence of at least one. For example, a reference to “component surface” includes a reference to one or more such surfaces.

[0061] As used herein, any reference to “an example” or “example,” “an embodiment” or “an embodiment” means that a particular element, feature, structure, or characteristic described in connection with that embodiment is included in at least one embodiment. The phrases “in one embodiment” or “in one example” appearing in different places in the specification do not necessarily refer to the same embodiment.

[0062] As used in this article, “a part” of something means “at least some” of that thing, and therefore may mean less than or all of that thing. Thus, “a part” of something includes the whole thing as a special case, that is, an example where the whole thing is a part of something.

[0063] As used in this article, the term "set" can refer to one or more items. Therefore, a set of items can be a single item or a collection of two or more items.

[0064] In this disclosure, expressions such as "greater than" or "less than" are used as examples to determine whether a specific condition is met, and expressions such as "greater than or equal to" or "less than or equal to" are also applicable and not excluded. For example, a condition defined by "greater than or equal to" can be replaced by "greater than" (or vice versa), a condition defined by "less than or equal to" can be replaced by "less than" (or vice versa), and so on. Furthermore, "less than," "less than or equal to," and "not greater than" can be used interchangeably.

[0065] To further understand, the terms "including" or "contains," and similar words, mean that the element or object preceding the word covers the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Above," "below," "left," and "right," etc., are used only to indicate relative positional relationships; when the absolute position of the described objects changes, the relative positional relationship may also change accordingly.

[0066] The various embodiments discussed below, used to describe the principles of this disclosure in this patent document, are for illustrative purposes only and should not be construed in any way as limiting the scope of this disclosure. Those skilled in the art will understand that the principles of this disclosure can be implemented in any suitably arranged wireless communication system. For example, although the following detailed description of exemplary embodiments of this disclosure is directed to LTE and 5G communication systems, those skilled in the art will understand that the main points of this disclosure, with slight modifications, can also be applied to other communication systems with similar technical backgrounds and channel formats without substantially departing from the scope of this disclosure. The technical solutions of this application embodiment can be applied to various communication systems. For example, communication systems may include Global System for Mobile Communications (GSM), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), General Packet Radio Service (GPRS), Long Term Evolution (LTE), LTE Frequency Division Duplex (FDD), LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX), 5th Generation (5G), or New Radio (NR), etc. Furthermore, the technical solutions of this application embodiment can be applied to future-oriented communication technologies.

[0067] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that the same reference numerals will be used to refer to the same elements described in different drawings.

[0068] The text and accompanying drawings are provided by way of example only to aid the reader in understanding this disclosure. They are not intended and should not be construed as limiting the scope of this disclosure in any way. Although certain embodiments and examples have been provided, it will be apparent to those skilled in the art, based on the content disclosed herein, that changes may be made to the illustrated embodiments and examples without departing from the scope of this disclosure.

[0069] The following Figures 1-3B Various embodiments are described in wireless communication systems implemented using orthogonal frequency division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) communication technologies. Figures 1-3B The description does not imply any suggestion of the physical or architectural aspects of how different embodiments can be implemented. Different embodiments of this disclosure can be implemented in any suitably arranged communication system.

[0070] Figure 1 An example wireless network 100 according to some embodiments of the present disclosure is shown. Figure 1 The embodiment of the wireless network 100 shown is for illustrative purposes only. Other embodiments of the wireless network 100 can be used without departing from the scope of this disclosure.

[0071] Wireless network 100 includes gNodeB (gNB) 101, gNB 102, and gNB 103. gNB 101 communicates with gNB 102 and gNB 103. gNB 101 also communicates with at least one Internet Protocol (IP) network 130 (such as the Internet, a proprietary IP network, or other data network).

[0072] Depending on the network type, other well-known terms such as "base station" or "access point" can be used instead of "gNodeB" or "gNB". For convenience, the terms "gNodeB" and "gNB" are used in this patent document to refer to network infrastructure components that provide wireless access to remote terminals. Furthermore, depending on the network type, other well-known terms such as "mobile station", "user station", "remote terminal", "wireless terminal", or "user device" can be used instead of "user equipment" or "UE". For example, the terms "terminal", "user equipment", and "UE" can be used in this patent document to refer to remote wireless devices that wirelessly access the gNB, whether the UE is a mobile device (such as a mobile phone or smartphone) or a fixed device as commonly considered (such as a desktop computer or vending machine).

[0073] gNB 102 provides wireless broadband access to network 130 to a first plurality of user equipments (UEs) within its coverage area 120. The first plurality of UEs includes: UE 111, which may be located in a small business (SB); UE 112, which may be located in an enterprise (E); UE 113, which may be located in a WiFi hotspot (HS); UE 114, which may be located in a first residence (R); UE 115, which may be located in a second residence (R); and UE 116, which may be a mobile device (M), such as a cellular phone, wireless laptop computer, wireless PDA, etc. gNB 103 provides wireless broadband access to network 130 to a second plurality of UEs within its coverage area 125. The second plurality of UEs includes UE 115 and UE 116. In some embodiments, one or more of gNBs 101-103 are capable of communicating with each other and with UEs 111-116 using 5G, LTE, LTE-A, WiMAX, or other advanced wireless communication technologies.

[0074] The dashed lines indicate the approximate extent of coverage areas 120 and 125, which are shown as approximately circular for illustrative and explanatory purposes only. It should be clearly understood that coverage areas associated with the gNB, such as coverage areas 120 and 125, can have other shapes, including irregular shapes, depending on the configuration of the gNB and variations in the radio environment associated with natural and man-made obstacles.

[0075] As described in more detail below, one or more of gNB 101, gNB 102, and gNB 103 include a 2D antenna array as described in embodiments of this disclosure. In some embodiments, one or more of gNB 101, gNB 102, and gNB 103 support codebook design and architecture for systems having 2D antenna arrays.

[0076] although Figure 1 An example of a wireless network 100 is shown, but it is possible to... Figure 1 Various modifications can be made. For example, wireless network 100 can include any number of gNBs and any number of UEs in any suitable arrangement. Furthermore, gNB 101 can communicate directly with any number of UEs and provide those UEs with wireless broadband access to network 130. Similarly, each gNB 102-103 can communicate directly with network 130 and provide UEs with direct wireless broadband access to network 130. In addition, gNBs 101, 102, and / or 103 can provide access to other or additional external networks (such as external telephone networks or other types of data networks).

[0077] Figure 2A and Figure 2BExample wireless transmit and receive paths according to some embodiments of this disclosure are shown. In the following description, transmit path 200 can be described as being implemented in a gNB (such as gNB 102), while receive path 250 can be described as being implemented in a UE (such as UE 116). However, it should be understood that receive path 250 can be implemented in a gNB, and transmit path 200 can be implemented in a UE. In some embodiments, receive path 250 is configured to support codebook design and architecture for systems having a 2D antenna array as described in embodiments of this disclosure.

[0078] The transmit path 200 includes a channel coding and modulation block 205, a serial-to-parallel (S-to-P) block 210, an N-point inverse fast Fourier transform (IFFT) block 215, a parallel-to-serial (P-to-S) block 220, a cyclic prefix addition block 225, and an up-converter (UC) 230. The receive path 250 includes a down-converter (DC) 255, a cyclic prefix removal block 260, a serial-to-parallel (S-to-P) block 265, an N-point fast Fourier transform (FFT) block 270, a parallel-to-serial (P-to-S) block 275, and a channel decoding and demodulation block 280.

[0079] In transmit path 200, channel coding and modulation block 205 receives a set of information bits, applies coding (such as low-density parity-check (LDPC) coding), and modulates the input bits (such as using quadrature phase shift keying (QPSK) or quadrature amplitude modulation (QAM)) to generate a sequence of frequency-domain modulated symbols. Serial-to-parallel (S-to-P) block 210 converts (e.g., demultiplexes) the serial modulated symbols into parallel data to generate N parallel symbol streams, where N is the number of IFFT / FFT points used in gNB 102 and UE 116. N-point IFFT block 215 performs IFFT operations on the N parallel symbol streams to generate a time-domain output signal. Parallel-to-serial block 220 converts (e.g., multiplexes) the parallel time-domain output symbols from N-point IFFT block 215 to generate a serial time-domain signal. Cyclic prefix addition block 225 inserts a cyclic prefix into the time-domain signal. Upconverter 230 modulates (e.g., upconverts) the output of the added cyclic prefix block 225 to an RF frequency for transmission via a wireless channel. The signal can also be filtered at the baseband before being converted to the RF frequency.

[0080] The RF signal transmitted from gNB 102 reaches UE 116 after passing through the wireless channel, and UE 116 performs the opposite operation to that at gNB 102. Downconverter 255 downconverts the received signal to the baseband frequency, and cyclic prefix removal block 260 removes the cyclic prefix to generate a serial time-domain baseband signal. Serial-to-parallel block 265 converts the time-domain baseband signal into a parallel time-domain signal. N-point FFT block 270 performs an FFT algorithm to generate N parallel frequency-domain signals. Parallel-to-serial block 275 converts the parallel frequency-domain signals into a sequence of modulated data symbols. Channel decoding and demodulation block 280 demodulates and decodes the modulated symbols to recover the original input data stream.

[0081] Each of gNBs 101-103 can implement a transmission path 200 similar to that used for transmission to UEs 111-116 in the downlink, and a reception path 250 similar to that used for reception from UEs 111-116 in the uplink. Similarly, each of UEs 111-116 can implement a transmission path 200 for transmission to gNBs 101-103 in the uplink, and a reception path 250 for reception from gNBs 101-103 in the downlink.

[0082] Figure 2A and Figure 2B Each of the components can be implemented using only hardware, or using a combination of hardware and software / firmware. As a specific example, Figure 2A and Figure 2B At least some of the components can be implemented in software, while others can be implemented in configurable hardware or a combination of software and configurable hardware. For example, FFT block 270 and IFFT block 215 can be implemented as configurable software algorithms, wherein the value of the number of points N can be modified according to the implementation method.

[0083] Furthermore, although the description uses FFT and IFFT, this is merely illustrative and should not be construed as limiting the scope of this disclosure. Other types of transforms, such as the Discrete Fourier Transform (DFT) and Inverse Discrete Fourier Transform (IDFT) functions, can be used. It should be understood that for DFT and IDFT functions, the value of variable N can be any integer (such as 1, 2, 3, 4, etc.), while for FFT and IFFT functions, the value of variable N can be any integer that is a power of 2 (such as 1, 2, 4, 8, 16, etc.).

[0084] although Figure 2A and Figure 2B An example of a wireless transmit and receive path is shown, but it is possible to modify it further. Figure 2A and Figure 2B Make various changes. For example, Figure 2A and Figure 2B The various components can be combined, further subdivided, or omitted, and additional components can be added as needed. Furthermore, Figure 2A and Figure 2B This is intended to illustrate examples of the types of send and receive paths that can be used in a wireless network. Any other suitable architecture can be used to support wireless communication in a wireless network.

[0085] Figure 3A Example UE 116 is shown according to some embodiments of the present disclosure. Figure 3A The embodiment of UE 116 shown is for illustrative purposes only, and Figure 1 UEs 111-115 can have the same or similar configurations. However, UEs have a wide variety of configurations, and Figure 3A This disclosure is not intended to limit the scope of any particular implementation of the UE.

[0086] UE 116 includes an antenna 305, a radio frequency (RF) transceiver 310, a transmit (TX) processing circuitry 315, a microphone 320, and a receive (RX) processing circuitry 325. UE 116 also includes a speaker 330, a processor / controller 340, an input / output (I / O) interface 345, multiple input devices 350, a display 355, and memory 360. Memory 360 includes an operating system (OS) 361 and one or more applications 362.

[0087] RF transceiver 310 receives incoming RF signals transmitted by a gNB of wireless network 100 from antenna 305. RF transceiver 310 down-converts the incoming RF signals to generate an intermediate frequency (IF) or baseband signal. The IF or baseband signal is sent to RX processing circuitry 325, which generates a processed baseband signal by filtering, decoding, and / or digitizing the baseband or IF signal. RX processing circuitry 325 sends the processed baseband signal to speaker 330 (e.g., for voice data) or to processor / controller 340 (e.g., for web browsing data) for further processing.

[0088] TX processing circuitry 315 receives analog or digital voice data from microphone 320, or other outgoing baseband data (such as network data, email, or interactive video game data) from processor / controller 340. TX processing circuitry 315 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate processed baseband or IF signals. RF transceiver 310 receives the processed outgoing baseband or IF signals from TX processing circuitry 315 and up-converts the baseband or IF signals into RF signals transmitted via antenna 305.

[0089] The processor / controller 340 may include one or more processors or other processing devices and execute an OS 361 stored in memory 360 to control the overall operation of the UE 116. For example, the processor / controller 340 may control the reception of forward channel signals and the transmission of reverse channel signals via RF transceiver 310, RX processing circuitry 325, and TX processing circuitry 315 according to known principles. In some embodiments, the processor / controller 340 includes at least one microprocessor or microcontroller.

[0090] The processor / controller 340 is also capable of executing other processes and programs residing in the memory 360, such as operations for channel quality measurement and reporting for a system having a 2D antenna array as described in the embodiments of this disclosure. The processor / controller 340 is capable of moving data into or out of the memory 360 as needed for the execution of the process. In some embodiments, the processor / controller 340 is configured to execute an application 362 based on an OS 361 or in response to signals received from a gNB or operator. The processor / controller 340 is also coupled to an I / O interface 345, which provides the UE 116 with the ability to connect to other devices such as laptop computers and handheld computers. The I / O interface 345 is a communication path between these accessories and the processor / controller 340.

[0091] The processor / controller 340 is also coupled to input devices(s)350 and a display(s)355. An operator of the UE 116 can use the input devices(s)350 to input data into the UE 116. The display(s)355 may be a liquid crystal display (LCD) or other display capable of displaying text and / or at least limited graphics (such as from a website). Memory 360 is coupled to the processor / controller 340. A portion of the memory 360 may include random access memory (RAM), while another portion of the memory 360 may include flash memory or other read-only memory (ROM).

[0092] although Figure 3A An example of UE 116 is shown, but it is possible to... Figure 3A Make various changes. For example, Figure 3A The various components can be combined, further subdivided, or omitted, and additional components can be added as needed. As a specific example, the processor / controller 340 can be divided into multiple processors, such as one or more central processing units (CPUs) and one or more graphics processing units (GPUs). Moreover, although... Figure 3A The UE116 is shown configured as a mobile phone or smartphone, but the UE can be configured to operate as other types of mobile or fixed devices.

[0093] In some implementations, two or more UEs 116 may communicate directly using one or more sidelink channels (e.g., without using a base station as a medium for communication with each other). For example, UEs 116 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, mesh networks, etc.). In this case, UEs 116 may perform scheduling operations, resource selection operations, and / or other operations performed by the base station as described elsewhere herein. For example, the base station may configure UEs 116 via downlink control information (DCI), radio resource control (RRC) signaling, media access control-control element (MAC-CE), or via system information (e.g., system information block (SIB)).

[0094] Figure 3B An example gNB 102 according to some embodiments of the present disclosure is shown. Figure 3B The embodiment of gNB 102 shown is for illustrative purposes only, and Figure 1 Other gNBs can have the same or similar configurations. However, gNBs have a wide variety of configurations, and Figure 3B The scope of this disclosure is not limited to any particular implementation of the gNB. It should be noted that gNB 101 and gNB 103 can include the same or similar structures as gNB 102.

[0095] like Figure 3B As shown, gNB 102 includes multiple antennas 370a-370n, multiple RF transceivers 372a-372n, transmit (TX) processing circuitry 374, and receive (RX) processing circuitry 376. In some embodiments, one or more of the multiple antennas 370a-370n include a 2D antenna array. gNB 102 also includes a controller / processor 378, a memory 380, and a backhaul or network interface 382.

[0096] RF transceivers 372a-372n receive incoming RF signals, such as signals transmitted by the UE or other gNBs, from antennas 370a-370n. RF transceivers 372a-372n down-convert the incoming RF signals to generate IF or baseband signals. The IF or baseband signals are sent to RX processing circuitry 376, which generates processed baseband signals by filtering, decoding, and / or digitizing the baseband or IF signals. RX processing circuitry 376 sends the processed baseband signals to controller / processor 378 for further processing.

[0097] The TX processing circuit 374 receives analog or digital data (such as voice data, network data, email, or interactive video game data) from the controller / processor 378. The TX processing circuit 374 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate a processed baseband or IF signal. RF transceivers 372a-372n receive the outgoing processed baseband or IF signal from the TX processing circuit 374 and up-convert the baseband or IF signal into an RF signal transmitted via antennas 370a-370n.

[0098] The controller / processor 378 may include one or more processors or other processing devices that control the overall operation of the gNB 102. For example, the controller / processor 378 may control the reception of forward channel signals and the transmission of backward channel signals via RF transceivers 372a-372n, RX processing circuitry 376, and TX processing circuitry 374, according to known principles. The controller / processor 378 may also support additional functions, such as more advanced wireless communication functions. For example, the controller / processor 378 may perform a BIS process, such as by a blind interference sensing (BIS) algorithm, and decode the received signal after subtracting interference. The controller / processor 378 may support any of a wide variety of other functions in the gNB 102. In some embodiments, the controller / processor 378 includes at least one microprocessor or microcontroller.

[0099] The controller / processor 378 is also capable of executing programs and other processes, such as a basic operating system, residing in the memory 380. The controller / processor 378 is also capable of supporting channel quality measurement and reporting for systems having 2D antenna arrays as described in embodiments of this disclosure. In some embodiments, the controller / processor 378 supports communication between entities such as web RTCs. The controller / processor 378 is capable of moving data into or out of the memory 380 as needed for the execution of processes.

[0100] The controller / processor 378 is also coupled to a backhaul or network interface 382. The backhaul or network interface 382 allows the gNB 102 to communicate with other devices or systems via a backhaul connection or over a network. The backhaul or network interface 382 is capable of supporting communication via any suitable wired or wireless connection(s). For example, when the gNB 102 is implemented as part of a cellular communication system (such as a cellular communication system supporting 5G or new radio access technologies or NR, LTE, or LTE-A), the backhaul or network interface 382 allows the gNB 102 to communicate with other gNBs via a wired or wireless backhaul connection. When the gNB 102 is implemented as an access point, the backhaul or network interface 382 allows the gNB 102 to communicate with a larger network (such as the Internet) via a wired or wireless local area network or via a wired or wireless connection. The backhaul or network interface 382 includes any suitable architecture supporting communication via a wired or wireless connection, such as an Ethernet or RF transceiver.

[0101] Memory 380 is coupled to controller / processor 378. A portion of memory 380 may include RAM, while another portion may include flash memory or other ROM. In some embodiments, multiple instructions, such as a BIS algorithm, are stored in memory. The multiple instructions are configured to cause controller / processor 378 to perform the BIS process and decode the received signal after subtracting at least one interference signal determined by the BIS algorithm.

[0102] As described in more detail below, the transmit and receive paths of the gNB 102 (implemented using RF transceivers 372a-372n, TX processing circuitry 374, and / or RX processing circuitry 376) support aggregated communication with FDD and TDD cells.

[0103] although Figure 3B An example of gNB 102 is shown, but it is possible to compare it with other models. Figure 3B Various modifications can be made. For example, gNB102 can include any number of... Figure 3A Each component shown. As a specific example, an access point can include multiple backhaul or network interfaces 382, ​​and a controller / processor 378 can support routing functions to route data between different network addresses. As another specific example, although shown as a single instance including TX processing circuitry 374 and a single instance including RX processing circuitry 376, the gNB 102 can include multiple instances of each (such as one for each RF transceiver).

[0104] Those skilled in the art will understand that the terms "terminal" and "terminal device" as used herein include both devices that receive wireless signals, devices that only possess wireless signal receiver capabilities without transmission capabilities, and hardware devices that possess the ability to receive and transmit, capable of bidirectional communication over a bidirectional communication link. Such devices may include: cellular or other communication devices having a single-line display, a multi-line display, or a cellular or other communication device without a multi-line display; PCS (Personal Communication System) that can combine voice, data processing, fax, and / or data communication capabilities; PDA (Personal Digital Assistant) that may include a radio frequency receiver, pager, Internet / intranet access, web browser, notepad, calendar, and / or GPS (Global Positioning System) receiver; and conventional laptop and / or handheld computers or other devices that have and / or include radio frequency receivers. As used herein, "terminal" or "terminal device" can be portable, transportable, installed in a means of transport (air, sea, and / or land), or suitable and / or configured to operate locally, and / or in a distributed manner, operating in any other location on Earth and / or in space. "Terminal" or "terminal device" as used herein can also be a communication terminal, an internet access terminal, or a music / video playback terminal, such as a PDA, a MID (Mobile Internet Device), and / or a mobile phone with music / video playback capabilities, or a smart TV, set-top box, etc.

[0105] With the rapid development of the information industry, especially the growing demand from mobile internet and the Internet of Things (IoT), unprecedented challenges are being brought to future mobile communication technologies. To address these challenges, the communications industry and academia have launched extensive research into fifth-generation mobile communication technology (5G) in preparation for the 2020s. Currently, the ITU report ITU-RM. [IMT.VISION] discusses the framework and overall goals of future 5G, detailing the demand outlook, application scenarios, and key performance indicators. Addressing new demands in 5G, the ITU report ITU-R M. [IMT.FUTURE TECHNOLOGY TRENDS] provides information on 5G technology trends, aiming to address significant issues such as significantly improved system throughput, consistent user experience, scalability to support IoT, latency, energy efficiency, cost, network flexibility, support for emerging services, and flexible spectrum utilization. The first phase of work on 5G is already underway within the 3GPP (3rd Generation Partnership Project). To support more flexible scheduling, 3GPP decided to support variable Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) feedback latency in 5G. In existing Long Term Evolution (LTE) systems, the time from downlink data reception to uplink HARQ-ACK transmission is fixed, for example, in Frequency Division Duplex (FDD) systems, the latency is four subframes. In Time Division Duplex (TDD) systems, a HARQ-ACK feedback latency is determined for the corresponding downlink subframe based on the uplink and downlink configuration. In 5G systems, whether FDD or TDD, for a given downlink time unit (e.g., a downlink slot or downlink mini-slot; or, for example, a PDSCH time unit), the uplink time unit (e.g., a PUCCH time unit) for HARQ-ACK feedback is variable. For example, the latency of HARQ-ACK feedback can be dynamically indicated through physical layer signaling, or different HARQ-ACK latencies can be determined based on factors such as different services or user capabilities.

[0106] 3GPP has defined three main directions for 5G application scenarios: eMBB (enhanced mobile broadband), mMTC (massive machine-type communication), and URLLC (ultra-reliable and low-latency communication). eMBB aims to further improve data transmission rates on top of existing mobile broadband services to enhance user experience and achieve the ultimate communication experience between people. mMTC and URLLC are application scenarios such as the Internet of Things (IoT), but they have different focuses: mMTC primarily addresses information interaction between people and things, while URLLC mainly reflects the communication needs between things themselves.

[0107] In some cases, the UE cannot simultaneously receive downlink physical signals / channels and transmit uplink physical signals / channels. In such cases, it is necessary to consider how to receive downlink physical signals / channels and / or how to transmit uplink physical signals / channels.

[0108] Embodiments of this disclosure provide a method performed by a terminal in a wireless communication system, a terminal, a method performed by a base station, a base station, and a non-transitory computer-readable storage medium. Various embodiments of this disclosure will be described in detail below with reference to the accompanying drawings.

[0109] In the exemplary embodiments of this disclosure, for ease of description, a first transceiver node and a second transceiver node are defined. For example, the first transceiver node can be a base station, and the second transceiver node can be a UE. As another example, the exemplary embodiments of this disclosure can be applied to sidelink communication scenarios, in which case the first transceiver node can be a UE, and the second transceiver node can be another UE. Therefore, the first transceiver node and the second transceiver node can each be any suitable communication node. In the following description, the first transceiver node is illustrated using a base station as an example (but not limited to), and the second transceiver node is illustrated using a UE as an example (but not limited to).

[0110] In describing wireless communication systems and in this disclosure described below, a method (or configuration method) for transmitting higher-layer signaling or higher-layer signals can be a signaling method for transmitting information from a base station to a terminal via a downlink data channel of the physical layer or from a terminal to a base station via an uplink data channel of the physical layer. Examples of signaling methods can include signaling methods for transmitting information via radio resource control (RRC) signaling, packet data convergence protocol (PDCP) signaling, or medium access control (MAC) control element (CE).

[0111] In the description of exemplary embodiments of this disclosure, higher-layer signaling may be signaling corresponding to at least one or a combination of one or more of the following signaling.

[0112] -MIB (Master Information Block)

[0113] -SIB (System Information Block) or SIB X (X = 1, 2, ...)

[0114] -RRC signaling

[0115] -MAC CE

[0116] Physical layer (Layer 1 (L1)) signaling can be signaling corresponding to at least one or a combination of one or more of the following signaling.

[0117] -PDCCH (Physical Downlink Control Channel)

[0118] -DCI (Downlink Control Information)

[0119] -UE-specific DCI

[0120] -Group Public DCI

[0121] - Public DCI (e.g., multicast DCI)

[0122] - Scheduling DCI (e.g., DCI used to schedule downlink or uplink data)

[0123] - Non-scheduled DCI (e.g., DCI other than the DCI used to schedule downlink or uplink data)

[0124] -PUCCH (Physical Uplink Control Channel)

[0125] -UCI (Uplink Control Information)

[0126] -Paging

[0127] -PRACH (Physical Random Access Channel)

[0128] -RAR (Random Access Response)

[0129] In the description of exemplary embodiments of this disclosure, uplink control signaling may include physical layer signaling and / or higher layer signaling. As described above, physical layer signaling may include UCI and / or PUCCH and / or PRACH, and higher layer signaling may include RRC signaling and / or MAC CE.

[0130] In the description of exemplary embodiments of this disclosure, downlink control signaling may include physical layer signaling and / or higher layer signaling. As described above, physical layer signaling may include one or more of PDCCH, DCI, UE-specific DCI, group common DCI, common DCI, scheduling DCI (e.g., DCI for scheduling downlink or uplink data), unscheduled DCI, paging, and RAR, while higher layer signaling may include one or more of MIB, SIB, or SIB X (X = 1, 2, ...), RRC signaling, or MAC CE. Therefore, "configure or indicate X by downlink control signaling" will be understood as configuring or indicating X by physical layer signaling, or by higher layer signaling, or by a combination of higher layer signaling and physical layer signaling.

[0131] Figure 4 A block diagram of a first transceiver node 400 according to some exemplary embodiments of the present disclosure is shown.

[0132] refer to Figure 4 The first transceiver node 400 may include a transceiver 401 and a controller 402.

[0133] Transceiver 401 can be configured to send first data and / or first control signaling to a second transceiver node, and / or receive second data and / or second control signaling from the second transceiver node.

[0134] The controller 402 may be an application-specific integrated circuit or at least one processor. The controller 402 may be configured to control the overall operation of the first transceiver node 400, including controlling the transceiver 401 to send first data and / or first control signaling to the second transceiver node, and / or to receive second data and / or second control signaling from the second transceiver node.

[0135] In some implementations, controller 402 may be configured to perform one or more operations of the methods described in the various embodiments below, such as operations that may be performed by a base station.

[0136] In the following description, the first transceiver node is illustrated using a base station as an example (but not limited to), and the second transceiver node is illustrated using a UE as an example (but not limited to). The first data is illustrated using downlink data (but not limited to). The first control signaling is illustrated using downlink control signaling (but not limited to). The second control signaling is illustrated using uplink control signaling (but not limited to).

[0137] In this document, depending on the network type, the term "base station" or "BS" can refer to any component (or set of components) configured to provide radio access to a network, such as a Transmission Point (TP), Transmission and Reception Point (TRP), enhanced base station (eNodeB or eNB), 5G base station (gNB), macro cell, femtocell, WiFi access point (AP), or other wireless network equipment. A base station can provide radio access according to one or more wireless communication protocols—for example, 5G 3GPP New Radio Interface / Access (NR), Long Term Evolution (LTE), Advanced LTE (LTE-A), High Speed ​​Packet Access (HSPA), Wi-Fi 802.11a / b / g / n / ac, etc.

[0138] Figure 5 A block diagram of a second transceiver node according to some exemplary embodiments of the present disclosure is shown.

[0139] refer to Figure 5 The second transceiver node 500 may include a transceiver 501 and a controller 502.

[0140] Transceiver 501 can be configured to receive first data and / or first control signaling from a first transceiver node and to send second data and / or second control signaling to the first transceiver node at a defined time interval.

[0141] The controller 502 may be an application-specific integrated circuit (ASIC) or at least one processor. The controller 502 may be configured to control the overall operation of the second transceiver node, and to control the second transceiver node to implement the methods proposed in the exemplary embodiments of this disclosure. For example, the controller 502 may be configured to determine second data and / or second control signaling and a time unit for transmitting the second data and / or second control signaling based on first data and / or first control signaling, and to control the transceiver 501 to transmit the second data and / or second control signaling to the first transceiver node within the determined time unit.

[0142] In some implementations, controller 502 may be configured to perform one or more operations of the methods described in the various exemplary embodiments below, such as operations that may be performed by a terminal (UE).

[0143] In combination Figure 4 or Figure 5 In the described implementation, the first data may be data sent from the first transceiver node to the second transceiver node. In the following example, downlink data carried via PDSCH (Physical Downlink Shared Channel) is used as an example (but not limited to) to illustrate the first data.

[0144] In combination Figure 4 or Figure 5 In the described implementation, the second data can be data sent from the second transceiver node to the first transceiver node. In the following example, uplink data carried by PUSCH (Physical Uplink Shared Channel) is used as an example (but not limited to) to illustrate the second data.

[0145] In combination Figure 4 or Figure 5 In the described implementation, the first control signaling can be control signaling sent from the first transceiver node to the second transceiver node. In the following examples, downlink control signaling is used as an example (but not limited to) to illustrate the first control signaling. Downlink control signaling can be DCI (Downlink control information) carried via PDCCH (Physical Downlink Control Channel) and / or control signaling (e.g., higher-layer signaling) carried via PDSCH (Physical Downlink Shared Channel). For example, DCI can be UE-specific, or it can be a common DCI. A common DCI can be a DCI shared by some UEs, such as a group common DCI. A common DCI can also be a DCI shared by all UEs in the serving cell (e.g., cell common DCI). A DCI can also be a multicast DCI or a broadcast DCI. DCI can be an uplink DCI (e.g., the DCI that schedules PUSCH) and / or a downlink DCI (e.g., the DCI that schedules PDSCH).

[0146] It should be noted that, in the description of exemplary embodiments of this disclosure, the following terms can be used interchangeably:

[0147] -DCI

[0148] -DCI format

[0149] -PDCCH

[0150] - Grant

[0151] - Dynamic grant

[0152] In combination Figure 4 or Figure 5 In the described implementation, the second control signaling can be control signaling sent from the second transceiver node to the first transceiver node. In the following examples, uplink control signaling is used as an example (but not limited to) to illustrate the second control signaling. Uplink control signaling can be UCI (Uplink Control Information) carried via PUCCH (Physical Uplink Control Channel) and / or control signaling (e.g., higher-layer signaling) carried via PUSCH (Physical Uplink Shared Channel). The type of UCI can include one or more of the following: HARQ-ACK information, SR (Scheduling Request), LRR (Link Recovery Request), CSI (Channel State Information), or CG (Configured grant) UCI, UTO (unused transmission opportunity) UCI. In the description of exemplary embodiments of this disclosure, when UCI is carried by PUCCH, UCI and PUCCH can be used interchangeably.

[0153] In some implementations, the PUCCH carrying an SR can be a PUCCH carrying a positive SR and / or a negative SR. The SR can be a positive SR and / or a negative SR.

[0154] In some implementations, CSI may also be Part 1 CSI and / or Part 2 CSI.

[0155] In combination Figure 4 or Figure 5 In the described implementation, the time unit for the first transceiver node to send the first data and / or the first control signaling can be a downlink time unit, such as a downlink time slot.

[0156] In combination Figure 4 or Figure 5In the described implementation, the time unit for the second transceiver node to send the second data and / or the second control signaling can be an uplink time unit, such as an uplink time slot, a PUCCH time slot, a PCell (primary cell) time slot, or a PUCCH time slot on the PCell. A 'PUCCH time slot' can be understood as a PUCCH transmission time slot.

[0157] In the description of exemplary embodiments of this disclosure, a time unit (e.g., a downlink time unit or an uplink time unit) may be one or more slots, one or more sub-slots, one or more OFDM symbols, one or more spans, one or more subframes, one or more frames, or one or more half frames.

[0158] Figure 6 A flowchart of a method 600 performed by a base station according to some exemplary embodiments of the present disclosure is shown.

[0159] refer to Figure 6 During operation S610, the base station transmits downlink data and / or downlink control signaling. For example, the base station transmits downlink data and / or downlink control signaling to the UE in a time unit.

[0160] During operation S620, the base station receives uplink data and / or uplink control signaling from the UE. For example, the base station receives uplink data and / or uplink control signaling from the UE in a time unit.

[0161] In some implementations, operations S610 and / or S620 may be performed based on methods described in various exemplary embodiments of the present disclosure (e.g., various methods described below).

[0162] In some implementations, method 600 may omit one or more of operations S610 or S620, or may include additional operations, such as operations performed by the base station based on the methods described in various exemplary embodiments of this disclosure (e.g., the various methods described below).

[0163] Figure 7 A flowchart of a method 700 performed by a UE according to an exemplary embodiment of the present disclosure is shown.

[0164] refer to Figure 7 During operation S710, the UE can receive downlink data (e.g., downlink data carried via PDSCH) and / or downlink control signaling from the base station. For example, the UE can receive downlink data and / or downlink control signaling from the base station based on predefined rules and / or configuration parameters that have already been received.

[0165] Optionally, in operation S720, the UE determines the transmission power and / or time unit of the uplink data and / or uplink control signaling based on the downlink data and / or downlink control signaling.

[0166] During operation S730, the UE sends uplink data and / or uplink control signaling to the base station. For example, the UE sends uplink data and / or uplink control signaling to the base station at a determined time unit. Another example is that the UE sends uplink data and / or uplink control signaling to the base station at a determined time unit based on a determined transmission power.

[0167] [HARQ / Scheduling General Timing]

[0168] In some implementations, operations S710 and / or S720 and / or S730 may be performed based on methods described in various exemplary embodiments of the present disclosure (e.g., various methods described below).

[0169] In some implementations, method 700 may omit one or more of operations S710, S720 or S730, or may include additional operations, such as operations performed by the UE (terminal) based on the methods described in various exemplary embodiments of this disclosure (e.g., the various methods described below).

[0170] In some implementations, HARQ-ACK can be used to perform acknowledgment / negative acknowledgment (ACK / NACK) for downlink transmissions.

[0171] The following will refer to Figures 8A-8C Examples describing uplink transmission timing.

[0172] In one example, the UE receives a DCI and receives a PDSCH according to the time-domain resources indicated in the DCI. For example, parameter K0 can be used to indicate the time unit interval (offset) between the PDSCH scheduled by the DCI and the DCI (e.g., the PDCCH carrying the DCI), and the unit of K0 can be a time slot. For example, the time slot of the PDSCH (i.e., the time slot of the active BWP of the serving cell where the PDSCH resides). Figure 8A An example where K0 = 1 is given. Figure 8A In the example shown, the time interval between the PDSCH scheduled by the DCI and the PDCCH carrying the DCI is one time slot. In an exemplary embodiment of this disclosure, "UE receives DCI" can mean "UE detects DCI".

[0173] In another example, the UE receives the DCI and transmits the PUSCH according to the time-domain resources indicated in the DCI. For example, a timing parameter K2 can be used to indicate the time unit interval between the PUSCH scheduled by the DCI and the DCI (e.g., the PDCCH carrying the DCI), and the unit of K2 can be a time slot. For example, the time slot of the PUSCH (i.e., the time slot of the active BWP of the serving cell where the PUSCH resides). Figure 8B An example where K2 = 1 is given. Figure 8B In the example shown, the time unit interval between the DCI-scheduled PUSCH and the PDCCH carrying the DCI is one time slot. K2 can also represent the time unit interval between the PDCCH activating the CG (configured grant) PUSCH and the first activated CG PUSCH (e.g., the CG PUSCH transmission timing). In the examples of this disclosure, unless otherwise specified, the PUSCH can be a dynamically scheduled (e.g., DCI-scheduled) PUSCH (e.g., in the description of the exemplary embodiments of this disclosure, it may be referred to as a DG (dynamic grant) PUSCH) and / or a PUSCH not scheduled by DCI (e.g., a CG PUSCH).

[0174] In another example, the UE receives a PDSCH and can transmit the HARQ-ACK information received on that PDSCH on the PUCCH within a time unit (e.g., an uplink time unit). For example, a timing parameter (also called a timing value) K1 (e.g., a higher-layer parameter dl-DataToUL-ACK) can be used to indicate the time unit interval between the PUCCH carrying the HARQ-ACK information received on the PDSCH and the PDSCH itself, and the unit of K1 can be a time unit (e.g., an uplink time unit) (e.g., the time unit of the PUCCH), such as a time slot or sub-time slot. For example, Figure 8A An example is given where K1 = 3. Figure 8A In the example shown, the PUCCH carrying the HARQ-ACK information received by the PDSCH is spaced three time slots apart from the PDSCH. It should be noted that in the description of the exemplary embodiments of this disclosure, timing parameter K1 can be used interchangeably with time unit offset K1, timing parameter K0 can be used interchangeably with time unit offset K0, and timing parameter K2 can be used interchangeably with time unit offset K2.

[0175] A PDSCH can be a DCI-scheduled PDSCH and / or an SPS (Semi-Persistent Scheduling) PDSCH. Once an SPS PDSCH is activated by the DCI, the UE will periodically receive it. In the examples disclosed herein, an SPS PDSCH can be equivalent to a PDSCH without DCI / PDCCH scheduling. Once an SPS PDSCH is released (deactivated), the UE will no longer receive it.

[0176] In the description of exemplary embodiments of this disclosure, HARQ-ACK can be a HARQ-ACK received by an SPS PDSCH (e.g., a HARQ-ACK without DCI indication) and / or a HARQ-ACK indicated by a DCI format (e.g., a HARQ-ACK received by a DCI-formatted PDSCH, where the PDSCH reception can be a PDSCH reception providing a transport block with enabled HARQ-ACK information). Another example is a HARQ-ACK in a DCI format without scheduled PDSCH.

[0177] In another example, the UE receives a DCI (e.g., a DCI indicating SPSPDSCH release (deactivation)) and transmits the HARQ-ACK information of that DCI on the PUCCH in a time unit (e.g., an uplink time unit). For example, a timing parameter K1 can be used to represent the time unit interval between the PUCCH carrying the HARQ-ACK information of the DCI and the DCI itself, where K1 can be in units of time units (e.g., uplink time units), such as time slots or sub-time slots. Figure 8C An example is given where K1 = 3. Figure 8C In the example, the time unit interval between the PUCCH carrying the HARQ-ACK information of the DCI and the DCI is 3 time slots. For example, the timing parameter K1 can be used to represent the time unit interval between the PDCCH receiving the DCI carrying the DCI indicating the release (deactivation) of the SPS PDSCH and the PUCCH feeding back its HARQ-ACK.

[0178] In some implementations, during operation S720, the UE can report (or signal / transmit) its UE capabilities to the base station or indicate those capabilities. For example, the UE reports (or transmits) its UE capabilities to the base station by sending a PUSCH. In this case, the PUSCH sent by the UE contains UE capability information. A UE capability can be a UE capability parameter or a value of a UE capability parameter.

[0179] In some implementations, the base station can configure higher-layer signaling for the UE based on the UE capabilities received from the UE.

[0180] In some implementations, the downlink channel (downlink resource) may include PDCCH and / or PDSCH. The uplink channel (uplink resource) may include PUCCH and / or PUSCH.

[0181] [Two-level priority]

[0182] In some implementations, the UE can be configured with two priority levels for uplink transmission. For example, the UE can be configured with a higher-layer parameter PUCCH-ConfigurationList, where the first PUCCH-Config configures lower-priority PUCCH resources, and the second PUCCH-Config configures higher-priority PUCCH resources. Alternatively, the priority of a PUCCH or PUSCH can be indicated in the DCI, for example, through a physical layer priority index (phy-PriorityIndex) field.

[0183] When two or more uplink physical channels overlap (e.g., overlap in time) on a serving cell, or when PUCCH and PUSCH overlap (e.g., overlap in time), it is necessary to resolve the overlapping for physical channels. "Resolving the overlapping for physical channels" can be understood as "resolving conflicts between overlapping physical channels." The result of resolving the overlapping for physical channels is that the physical channels do not overlap or conflict. The overlapping for physical channels can be resolved through multiplexing and / or prioritization. Multiplexing can be the multiplexing of UCI information from two or more physical channels into one physical channel. For example, multiplexing multiple PUCCHs and / or PUSCHs that overlap in the time domain can include multiplexing UCI information from a PUCCH into one PUCCH or PUSCH. It should be noted that in the description of exemplary embodiments of this disclosure, "resolving the overlapping for physical channels" can be used interchangeably with "determining the overlapping for physical channels." Prioritization can be the transmission of higher-priority physical channels while omitting the transmission of lower-priority physical channels. It should be noted that in the description of exemplary embodiments of this disclosure, "not transmitting a physical channel," "canceling the transmission of a physical channel," "stopping the transmission of a physical channel," and "reducing the priority of a physical channel" can be used interchangeably. For example, prioritizing two PUCCHs and / or PUSCHs that overlap in the time domain may include the UE transmitting the higher-priority PUCCH or PUSCH, and / or the UE not transmitting the lower-priority PUCCH or PUSCH. In embodiments of this disclosure, unless otherwise specified, "resolving physical channel overlap" can be understood as resolving the overlap of physical channels with the same physical layer priority.

[0184] In some implementations, if the UE is configured by higher-layer signaling (e.g., via the higher-layer parameter uci-MuxWithDiffPrio) to multiplex UCIs of different priorities (e.g., HARQ-ACK), the UE can multiplex UCIs of different priorities (e.g., HARQ-ACK) when resolving the overlap of physical channels of different priorities; otherwise (e.g., if the UE is not configured with a parameter to multiplex UCIs of different priorities (e.g., uci-MuxWithDiffPrio)), the UE prioritizes PUCCH and / or PUSCH of different priorities when resolving the overlap of physical channels of different priorities.

[0185] For example, two priority levels can include a first priority and a second priority that are different from each other. In one example, the first priority can be higher than the second priority, that is, the first priority is a higher priority and the second priority is a lower priority. In another example, the first priority can be lower than the second priority. However, the embodiments of this disclosure are not limited to this; for example, the UE can be configured with more than two priority levels. For convenience, in some exemplary embodiments of this disclosure, the description considers the first priority to be higher than the second priority. It should be noted that all embodiments of this disclosure are applicable to the case where the first priority can be higher than the second priority; all embodiments of this disclosure are applicable to the case where the first priority can be lower than the second priority; and all embodiments of this disclosure are applicable to the case where the first priority can be equal to the second priority. In some exemplary embodiments of this disclosure, "first priority," "higher priority," "larger priority index," and "priority index 1" can be used interchangeably. In some exemplary embodiments of this disclosure, "second priority," "lower priority," "smaller priority index," and "priority index 0" can be used interchangeably.

[0186] [Sub-time slot]

[0187] In some implementations, the UE can be configured for subslot-based PUCCH transmission. For example, the subslot length parameter (also referred to as a parameter related to subslot length in the description of exemplary embodiments of this disclosure) of each of the first and second PUCCH configuration parameters (e.g., the higher-layer parameter subslotLengthForPUCCH) can be 7 OFDM symbols, 6 OFDM symbols, or 2 OFDM symbols. The subslot configuration length parameters in different PUCCH configuration parameters can be configured separately. If a PUCCH configuration parameter does not have a configured subslot length parameter, the scheduling time unit of this PUCCH configuration parameter is one slot by default. If a PUCCH configuration parameter has a configured subslot length parameter, the scheduling time unit of this PUCCH configuration parameter is L (L is the configured subslot configuration length) OFDM symbols.

[0188] The mechanisms for slot-based PUCCH transmission and sub-slot-based PUCCH transmission are essentially the same. In this disclosure, a slot can be used to represent a PUCCH occasion unit. For example, if the UE is configured with sub-slots, the slot used as a PUCCH occasion unit can be replaced with a sub-slot. For example, it can be specified by the protocol that if the UE is configured with a sub-slot length parameter (e.g., a higher-layer parameter subslotLengthForPUCCH), unless otherwise specified, the number of symbols contained in the slot for PUCCH transmission is indicated by the sub-slot length parameter.

[0189] For example, if the UE is configured with a sub-slot length parameter, and sub-slot n is the last uplink sub-slot overlapping with a PDSCH or PDCCH reception (e.g., SPS PDSCH release, and / or indication of secondary cell dormancy, and / or triggering a type-3 HARQ-ACK codebook report without scheduled PDSCH reception), then the HARQ-ACK information for that PDSCH or PDCCH reception is sent in uplink sub-slot n+k, where k is determined by timing parameter K1 (the definition of timing parameter K1 can be found in the previous description). As another example, if the UE is not configured with a sub-slot length parameter, and slot n is the last uplink slot overlapping with the downlink slot containing the PDSCH or PDCCH reception, then the HARQ-ACK information for that PDSCH or PDCCH reception is sent in uplink slot n+k, where k is determined by timing parameter K1.

[0190] Multicast Service (MBS)

[0191] In the description of exemplary embodiments of this disclosure, unicast can refer to a communication between a network and a UE, while multicast (or groupcast) can refer to a communication between a network and multiple UEs. For example, a unicast PDSCH can be a PDSCH received by a single UE, and the scrambling of the PDSCH can be based on a UE-specific Radio Network Temporary Identifier (RNTI), such as a Cell-RNTI (C-RNTI). A multicast PDSCH can be a PDSCH received simultaneously by more than one UE, and the scrambling of the multicast PDSCH can be based on an RNTI shared by the UE group. For example, the scrambled UE group common RNTI for multicast PDSCH may include the RNTI scrambled for dynamically scheduled multicast transmissions (e.g., PDSCH) (which may be referred to as the Group RNTI (G-RNTI) in the description of exemplary embodiments of this disclosure) or the RNTI scrambled for multicast SPS transmissions (e.g., SPS PDSCH) (which may be referred to as the Group configured scheduling RNTI (G-CS-RNTI) in the description of exemplary embodiments of this disclosure). The UCI of unicast PDSCH may include HARQ-ACK information, SR, or CSI received by unicast PDSCH. The UCI of multicast PDSCH may include HARQ-ACK information received by multicast PDSCH. In the description of exemplary embodiments of this disclosure, "multicast" may also be replaced with "broadcast".

[0192] [HARQ-ACK Codebook]

[0193] During S710 operation, the UE can receive downlink data (e.g., downlink data carried via PDSCH) and / or downlink control signaling (e.g., DCI format carried via PDCCH) from the base station.

[0194] In operation S720, the UE determines the HARQ-ACK information bits to be transmitted in an uplink time slot based on downlink data and / or downlink control signaling. The determination of the HARQ-ACK information bits to be transmitted in an uplink time slot includes at least one of the following:

[0195] - Determine the value of the HARQ-ACK information bits;

[0196] - Determine the order of the HARQ-ACK information bits;

[0197] - Determine the total number of HARQ-ACK information bits.

[0198] During operation S730, the UE sends HARQ-ACK information bits to the base station. The UE can transmit HARQ-ACK information bits on either the PUCCH or PUSCH.

[0199] In some implementations, the HARQ-ACK codebook may include one or more HARQ-ACK information bits (also referred to as HARQ-ACK information bits in this disclosure) in PDSCH reception and / or DCI format (e.g., DCI format without scheduled PDSCH reception). HARQ-ACK information received from PDSCH can be understood as HARQ-ACK information for the TBs contained in the PDSCH reception. When the UE is configured for PDSCH code block group (CBG) transmission (e.g., with the parameter PDSCH-CodeBlockGroupTransmission configured), or when a PDSCH reception contains one or more CBGs, the HARQ-ACK information received from PDSCH can be understood as HARQ-ACK information for the CBGs contained in the PDSCH reception. If one or more PDSCH reception and / or DCI format HARQ-ACK information bits are instructed (or multiplexed) to be transmitted in one (e.g., the same) time unit (e.g., uplink time unit) (e.g., transmitted on the PUCCH in the same time unit), the UE can generate a HARQ-ACK codebook according to predefined rules. The UE generates a HARQ-ACK codebook by sorting and / or compressing (e.g., bundling) the HARQ-ACK information bits. For example, if a TB or CBG in a PDSCH reception is successfully decoded, the HARQ-ACK information for that TB or CBG is a positive ACK. For example, a positive ACK can be represented by 1 in the HARQ-ACK codebook. If a TB or CBG in a PDSCH reception is not successfully decoded, the HARQ-ACK information for that TB or CBG is a negative ACK (NACK). For example, NACK can be represented by 0 in the HARQ-ACK codebook. For example, the UE can generate a HARQ-ACK codebook according to pseudocode specified in the protocol. In one example, if the UE receives a DCI format that indicates SPS PDSCH release (deactivation), the UE sends a HARQ-ACK message (ACK) in that DCI format. In another example, if the UE receives a DCI format that indicates the secondary cell is in sleep mode, the UE sends a HARQ-ACK message (ACK) in that DCI format.In yet another example, if the UE receives a DCI format that instructs the transmission of HARQ-ACK information for all HARQ-ACK processes of all configured serving cells (e.g., a Type-3 HARQ-ACK codebook), then the UE transmits HARQ-ACK information for all HARQ-ACK processes of all configured serving cells. To reduce the size of the Type-3 HARQ-ACK codebook, in an enhanced Type-3 HARQ-ACK codebook, the UE can transmit HARQ-ACK information for a specific HARQ-ACK process of a specific serving cell based on the DCI instruction. In yet another example, if the UE receives a DCI format that schedules PDSCH reception, then the UE transmits the HARQ-ACK information received by that PDSCH. In yet another example, the UE receives an SPS PDSCH, and the UE transmits the HARQ-ACK information received by that SPS PDSCH. In another example, if the UE is configured by higher-layer signaling to receive SPPS PDSCH, the UE sends the HARQ-ACK information for the received SPPS PDSCH. The SPPS PDSCH configured by higher-layer signaling may be canceled by other signaling. In yet another example, if at least one uplink symbol (e.g., OFDM symbol) in a semi-static frame structure configured by higher-layer signaling overlaps with a symbol received by the SPPS PDSCH, the UE does not receive the SPPS PDSCH. In yet another example, if the UE is configured by higher-layer signaling to receive SPPS PDSCH according to predefined rules, the UE sends the HARQ-ACK information for the received SPPS PDSCH. It should be noted that in the description of exemplary embodiments of this disclosure, "A" and "B" overlapping can mean that "A" and "B" at least partially overlap. That is, "A" and "B" overlapping includes the case where "A" and "B" completely overlap. The overlap of “A” and “B” can mean that “A” and “B” overlap in the time domain and / or “A” and “B” overlap in the frequency domain.

[0200] In some implementations, if the HARQ-ACK information transmitted in the same time unit (e.g., uplink time unit) (or multiplexed in the same time unit) does not include any DCI format HARQ-ACK information, nor does it include dynamically scheduled PDSCH reception (e.g., DCI format scheduled PDSCH reception) and / or DCI HARQ-ACK information, or if the HARQ-ACK information transmitted in the same time unit (e.g., uplink time unit) (or multiplexed in the same time unit) only includes HARQ-ACK information received by one or more SPS PDSCHs, then the UE can generate HARQ-ACK information according to the rules for generating the HARQ-ACK codebook for SPS PDSCH reception (e.g., HARQ-ACK information only received by SPS PDSCH). The UE can multiplex the HARQ-ACK information received only by SPS PDSCHs to a specific PUCCH resource. For example, if the UE is configured with an SPS PUCCH list parameter (e.g., SPS-PUCCH-AN-List), the UE will multiplex the HARQ-ACK information received only from the SPS PDSCH into a PUCCH in that SPS PUCCH list. For instance, the UE determines a PUCCH resource in the SPS PUCCH list based on the number of HARQ-ACK bits. If the UE is not configured with an SPS PUCCH list parameter, the UE will multiplex the HARQ-ACK information received only from the SPS PDSCH into a specific PUCCH resource for SPS HARQ-ACK (e.g., this PUCCH resource is configured via the n1PUCCH-AN parameter).

[0201] In some implementations, if the HARQ-ACK information transmitted in the same time unit (e.g., uplink time unit) (or multiplexed in the same time unit) includes HARQ-ACK information in DCI format and / or dynamically scheduled PDSCH reception (e.g., PDSCH reception scheduled in DCI format), the UE can generate HARQ-ACK information according to the rules for generating dynamically scheduled PDSCH reception and / or DCI format HARQ-ACK codebooks. The UE can determine whether to generate a semi-static HARQ-ACK codebook (e.g., Type-1 HARQ-ACK codebook) or a dynamic HARQ-ACK codebook (e.g., Type-2 HARQ-ACK codebook) based on the HARQ-ACK codebook configuration parameters of the PDSCH reception (e.g., higher-layer parameters pdsch-HARQ-ACK-Codebook). For example, if the UE is configured with HARQ-ACK codebook configuration parameters (e.g., the higher-layer parameter pdsch-HARQ-ACK-Codebook) as semi-static, the UE generates a semi-static HARQ-ACK codebook; if the UE is configured with HARQ-ACK codebook configuration parameters (e.g., the higher-layer parameter pdsch-HARQ-ACK-Codebook) as dynamic, the UE generates a dynamic HARQ-ACK codebook. The dynamic HARQ-ACK codebook can also be an enhanced dynamic HARQ-ACK codebook (e.g., a type-2 HARQ-ACK codebook based on grouping and HARQ-ACK retransmission). The UE can multiplex HARQ-ACK information into dynamically scheduled HARQ-ACK PUCCH resources, which can be configured in the resource set list parameter (e.g., the parameter resourceSetToAddModList). The UE determines a PUCCH resource set (e.g., parameter PUCCH-ResourceSet) in the resource set list based on the number of bits in HARQ-ACK. The PUCCH resource can be determined from a PUCCH in the PUCCH resource set based on the PRI (PUCCH Resource Indicator) field in the last DCI format.

[0202] In some implementations, if the HARQ-ACK information transmitted in the same time unit (e.g., uplink time unit) (or multiplexed in the same time unit) only includes HARQ-ACK information received by SPS PDSCH (e.g., PDSCH received without DCI format scheduling), then the UE can generate a HARQ-ACK codebook according to the rules for generating the HARQ-ACK codebook of SPS PDSCH reception (e.g., pseudocode of the codebook of HARQ-ACK received by SPS PDSCH).

[0203] [Type-1 HARQ-ACK Codebook]

[0204] A semi-static HARQ-ACK codebook (e.g., a type-1 HARQ-ACK codebook) can determine the size of the HARQ-ACK codebook and the ordering of the HARQ-ACK bits based on parameters configured in the semi-static configuration (e.g., parameters configured in higher-level signaling).

[0205] For a serving cell c, an active downlink BWP (bandwidth part), and an active uplink BWP, the UE determines M based on the candidate PDSCH reception. A,c A set of occasions in which the UE can access uplink time slot n U The corresponding HARQ-ACK information for the candidate PDSCH is sent on one of the PUCCHs.

[0206] M A,c It can be determined based on at least one of the following:

[0207] a) The set of HARQ-ACK slot timing values ​​K1 associated with the active uplink BWP on the primary cell or PUCCH-sScell ​​(PUCCH switching SCell, PUCCH switching secondary serving cell);

[0208] b) The set of row indexes of the Time Domain Resource Allocation (TDRA) table associated with the active downlink BWP;

[0209] c) Where μ DL For the downlink subcarrier spacing (SCS) configuration of the activated downlink BWP, μ UL Configure the uplink subcarrier spacing for the activated uplink BWP.

[0210] d) Semi-static uplink and downlink frame structure configuration, such as the parameters tdd-UL-DL-ConfigurationCommon and tdd-UL-DL-ConfigurationDedicated.

[0211] e) Downlink slot offset parameters of serving cell c (e.g., higher-layer parameters) ) and their corresponding slot offset SCS (e.g., higher-level parameter μ) offset,DL,c ), or the time slot offset parameter of the main cell (e.g., higher-level parameters). ) and their corresponding slot offset SCS (e.g., higher-level parameter μ) offset,UL ).

[0212] The set of parameters K1 is used to determine candidate uplink time slots, and then candidate downlink time slots are determined based on the candidate uplink time slots. A candidate downlink time slot satisfies at least one of the following conditions: (i) if the PUCCH time unit is a sub-time slot, at least one candidate downlink time slot's PDSCH reception end position overlaps in the time domain with the candidate uplink time slot; or (ii) if the PUCCH time unit is a time slot, the end position of the candidate downlink time slot overlaps in the time domain with the candidate uplink time slot. It should be noted that in the description of exemplary embodiments of this disclosure, the start symbol and start position can be used interchangeably, and the end symbol and end position can be used interchangeably. In some embodiments, the start symbol can be replaced with the end symbol, and / or the end symbol can be replaced with the start symbol.

[0213] The number of PDSCH receptions requiring HARQ-ACK feedback in a candidate downlink time slot can be determined by the maximum of the number of valid candidate PDSCH receptions that do not overlap in that downlink time slot (e.g., valid candidate PDSCH receptions can be candidate PDSCH receptions that do not overlap with semi-statically configured uplink symbols). The time-domain resources occupied by candidate PDSCH receptions can be determined by (i) configuring a time-domain resource allocation table (which may also be referred to as a table associated with time-domain resource allocation in the description of some exemplary embodiments of this disclosure) by higher-layer signaling and (ii) dynamically indicating a row in the time-domain resource allocation table by DCI. Each row in the time-domain resource allocation table can define information related to time-domain resource allocation. For example, for the time-domain resource allocation table, the indexed row defines the timing values ​​of PDCCH and PDSCH (e.g., time unit (e.g., time slot) offset (e.g., K0)), start and length indicator (SLIV), or directly defines the start symbol and allocation length. For example, for the first row of the time-domain resource allocation table, the starting OFDM symbol is 0, and the OFDM symbol length is 4; for the second row, the starting OFDM symbol is 4, and the OFDM symbol length is 4; for the third row, the starting OFDM symbol is 7, and the OFDM symbol length is 4. The DCI for scheduling PDSCHs can indicate any row in the time-domain resource allocation table. When all OFDM symbols in a downlink time slot are downlink symbols, the maximum number of valid, non-overlapping PDSCHs in that downlink time slot is 2. In this case, the Type-1 HARQ-ACK codebook may need to feed back HARQ-ACK information for two PDSCHs in that downlink time slot of the serving cell.

[0214] Figure 9A and Figure 9B An example of a Time-Domain Resource Allocation (TDRA) table is shown. Specifically, Figure 9A This shows a time-domain resource allocation table for scheduling one PDSCH per row. Figure 9B This shows a time-domain resource allocation table for scheduling multiple PDSCHs in a single row. (Reference) Figure 9A Each row corresponds to a set {K0, mapping type, SLIV}, which includes a timing parameter K0 value, a mapping type, and a SLIV. (See reference) Figure 9B ,and Figure 9A Unlike other sets, each row corresponds to multiple sets of {K0, mapping type, SLIV}.

[0215] [Type-2 HARQ-ACK Codebook]

[0216] In some implementations, the dynamic HARQ-ACK codebook (e.g., a type-2 HARQ-ACK codebook) and / or enhanced dynamic HARQ-ACK codebook (e.g., type-2 HARQ-ACK based on packet and HARQ-ACK retransmission) can determine the size and order of the HARQ-ACK codebook according to the allocation index. For example, the allocation index can be DAI (Downlink Assignment Index). In the following embodiments, the allocation index is illustrated using DAI as an example. However, the embodiments of this disclosure are not limited to this, and any other suitable allocation index can be used. It should be noted that the method for dynamic HARQ-ACK codebooks in this disclosure can also be used to enhance dynamic HARQ-ACK codebooks.

[0217] In some implementations, the DAI includes at least one of a first DAI and a second DAI.

[0218] In some examples, the first DAI can be C-DAI (Counter-DAI), which can be a cumulative count of the downlink allocation index. The value of the first DAI field in the DCI format is a cumulative count up to the current serving cell and up to the current time unit {serving cell, PDCCH monitoring occasion (MO)}-pair, where the time unit can be the time unit of PDCCH reception, for example, the PDCCH monitoring occasion. The {serving cell, PDCCH monitoring occasion}-pair can include DCI formats with corresponding HARQ-ACK information bits for PDSCH reception scheduled by the DCI format and / or for PDSCH reception not scheduled by the DCI format. The first DAI can be included in the downlink DCI format. HARQ-ACK information for PDSCH reception scheduled by the DCI format and / or for PDSCH reception not scheduled by the DCI format is sent in the same time unit (e.g., sent on the same PUCCH in the same time unit). The second DAI can be T-DAI (Total-DAI). The second DAI can be the total count of the downlink allocation index. The value of the second DAI field in the DCI format is the total count up to the current time unit {serving cell, PDCCH listening time} - pairs. The second DAI can be included in the downlink DCI format and / or the uplink DCI format. The second DAI included in the uplink DCI format is also referred to as the UL DAI.

[0219] In some implementations, the first DAIs can be ordered in the following order:

[0220] - First, the serving cell (e.g., the scheduled serving cell) index in ascending order.

[0221] - Second, the ascending order of the PDCCH MO index.

[0222] In some implementations, the first DAI can also be ordered in the following order: for example, if the UE reports that the capability supports more than one PDSCH reception on a serving cell scheduled by a PDCCH MO (e.g., PDSCH reception scheduled by more than one PDCCH), the first DAI can be ordered in the following order:

[0223] - First, the ascending order of the start time of PDSCH reception (e.g., for the same...).

[0224] {Serving cell, PDCCH listening timing} - Correct PDCCH reception)

[0225] Second, the ascending order of the serving cell (e.g., the scheduled serving cell) index.

[0226] - Third, the ascending order of the PDCCH MO index.

[0227] In some examples, the first DAI can indicate the cumulative count of at least one of the following: a DCI indicating scheduled PDSCH reception, a DCI indicating SPS PDSCH release (deactivation), or a DCI indicating secondary cell dormancy. For example, the cumulative count could be the cumulative count up to the current serving cell and / or the current time unit. The C-DAI can also indicate the cumulative number of {serving cell, time unit} pairs scheduled by PDCCH up to the current time unit within a time window (which may also include the number of PDCCHs (e.g., PDCCHs indicating SPS release and / or PDCCHs indicating secondary cell dormancy)); or the cumulative number of PDCCHs up to the current time unit; or the cumulative number of PDSCH transmissions up to the current time unit; or the existence of PDSCH transmissions associated with PDCCHs (e.g., scheduled by PDCCHs) and / or the existence of PDCCHs (e.g., PDCCHs indicating SPS release and / or PDCCHs indicating secondary cell dormancy) up to the current serving cell and / or the current time unit. The cumulative number of {serving cell, time unit} pairs of DCCH; or the cumulative number of PDSCHs and / or PDCCHs (e.g., PDCCHs indicating SPS release and / or PDCCHs indicating secondary cell dormancy) that the base station has scheduled up to the current serving cell and / or the current time unit; or the cumulative number of PDSCHs (where the PDSCHs are those with corresponding PDCCHs) that the base station has scheduled up to the current serving cell and / or the current time unit; or the cumulative number of time units (where the PDSCHs are those with corresponding PDCCHs) that the base station has scheduled up to the current serving cell and / or the current time unit. By receiving the time of the first DAI and the first DAI information, the order of each bit in the HARQ-ACK codebook corresponding to at least one of the following: PDSCH reception, DCI indicating SPS PDSCH release (deactivation), or DCI indicating secondary cell dormancy.

[0228] In some examples, the second DAI can refer to the total count of at least one of the following: all PDSCH receptions, DCIs indicating SPS PDSCH release (deactivation), or DCIs indicating secondary cell dormancy. For example, this total count could be the total count of all serving cells up to the current time unit. For example, T-DAI could refer to: the total number of {serving cell, time unit} pairs scheduled by PDCCH up to the current time unit within the time window (which may also include the number of PDCCHs used to indicate SPS release); or the total number of PDSCH transmissions up to the current time unit; or the total number of {serving cell, time unit} pairs with PDSCH transmissions associated with PDCCH (e.g., scheduled by PDCCH) and / or PDCCHs (e.g., PDCCHs indicating SPS release and / or PDCCHs indicating secondary cell dormancy) up to the current serving cell and / or the current time unit. Alternatively, up to the current serving cell and / or the current time unit, the total number of PDSCHs and / or PDCCHs (e.g., PDCCHs indicating SPS release and / or PDCCHs indicating secondary cell dormancy) that the base station has scheduled; or up to the current serving cell and / or the current time unit, the total number of PDSCHs (where the PDSCHs are those with corresponding PDCCHs) that the base station has scheduled; or up to the current serving cell and / or the current time unit, the total number of time units with PDSCH transmissions that the base station has scheduled (e.g., the PDSCHs with corresponding PDCCHs) that the base station has scheduled.

[0229] In the example below, we will use C-DAI as the first DAI and T-DAI as the second DAI (but not limited to) as an example (but not limited to).

[0230] Tables 1 and 2 show the relationship between the DAI field and V. T-DAI,m V C-DAI,c,m or The correspondence between C-DAI and T-DAI is as follows. The number of bits in C-DAI and T-DAI is finite.

[0231] For example, when C-DAI or T-DAI is represented by 2 bits, the value of C-DAI or T-DAI in the DCI can be determined using the formulas in Table 1. T-DAI,m or V represents the T-DAI value in the DCI format received during the PDCCH monitoring occupancy (MO) m. C-DAI,c,m V represents the C-DAI value in the DCI format received by m regarding serving cell c during PDCCH listening. T-DAI,m and V C-DAI,c,mBoth are related to the number of bits in the DAI field of the DCI format. MSB is the most significant bit, and LSB is the least significant bit.

[0232] [Table 1]

[0233]

[0234] For example, if C-DAI or T-DAI is 1, 5, or 9, as shown in Table 1, "00" is used in the DAI field, and V is calculated using the formula in Table 1. T-DAI,m or V C-DAI,c,m The value is represented as "1". Y can represent the DAI value corresponding to the number of DCI formats actually transmitted by the base station (the DAI value before conversion by the formula in the table).

[0235] For example, when C-DAI or T-DAI in the DCI format is 1 bit, a value greater than 2 can be represented by the formula in Table 2.

[0236] [Table 2]

[0237]

[0238] In some implementations, the UE can generate the HARQ-ACK codebook in the PUCCH based on pseudocode 1. For example, if the UE transmits HARQ-ACK information on a PUCCH (e.g., any PUCCH format) in time slot n, the UE determines the HARQ-ACK codebook based on pseudocode 1. HARQ-ACK information bits, where O ACK This represents the total number of HARQ-ACK information bits.

[0239] [Pseudocode 1]

[0240]

[0241]

[0242]

[0243] In some implementations, for the HARQ-ACK codebook on the PUSCH, the UE can, after completing the c and m loops in pseudocode 1 to generate the HARQ-ACK codebook, set... in, The value is UL DAI, and can be determined according to Table 1 or Table 2.

[0244] [HARQ Feedback Method]

[0245] In some implementations, whether to provide HARQ-ACK information can be configured via higher-level parameters or dynamically indicated by DCI. The method of providing (or reporting) HARQ-ACK information (HARQ-ACK feedback method or HARQ-ACK reporting method) can be at least one of the following methods.

[0246] - HARQ-ACK Feedback Method 1: Send ACK or NACK (ACK / NACK). For example, for a PDSCH reception, if the UE correctly decodes the corresponding transport block (TB), the UE sends ACK; and / or, if the UE does not correctly decode the corresponding transport block, the UE sends NACK. For example, the HARQ-ACK information bits provided by HARQ-ACK Feedback Method 1 are either ACK or NACK values.

[0247] - HARQ-ACK Feedback Method 2: Send NACK only. For example, for a PDSCH reception, if the UE correctly decodes the corresponding transport block, the UE does not send HARQ-ACK information; and / or, if the UE does not correctly decode the corresponding transport block, the UE sends NACK. For example, at least one HARQ-ACK information bit provided by HARQ-ACK Feedback Method 2 is a NACK value. For example, in HARQ-...

[0248] In ACK feedback method 2, the UE will not send HARQ-ACK, which will only include the ACK value.

[0249] PUCCH of information.

[0250] For a PDSCH reception of a HARQ process, if the UE is configured not to send back HARQ-ACK information, the HARQ-ACK codebook will not include the HARQ-ACK information received by that PDSCH.

[0251] [Channel conflict]

[0252] In some implementations, a PUSCH collision with other physical channels can be at least one of the following:

[0253] -PUSCH overlaps in the time domain with PUCCH and / or PDSCH and / or PDCCH on the same serving cell.

[0254] - In the absence of a PUSCH being configured for simultaneous transmission, the PUSCH overlaps with other PUSCHs on the same serving cell in the time domain.

[0255] - When PUSCHs are configured to be transmitted simultaneously, one PUSCH overlaps in the time domain with another PUSCH on the same serving cell that has the same control resource set (CORESET) pool index parameter (e.g., coresetPoolIndex) value.

[0256] - PUSCH and PUCCH overlap in the time domain. For example, PUSCH overlaps with PUCCH on different serving cells in the time domain, and / or the serving cell does not support simultaneous transmission of PUSCH and PUCCH.

[0257] In some implementations, PDSCH collisions with other physical channels can be at least one of the following:

[0258] - PDSCH overlaps in the time domain with other PUSCH and / or PUCCH on the same serving cell.

[0259] - In the absence of simultaneous PDSCH reception configured (e.g., the UE is not configured with different CORESET pool index parameters (e.g., coresetPoolIndex) values), the PDSCH overlaps with other PDSCHs on the same serving cell in the time domain.

[0260] - In cases where PDSCH is configured to transmit simultaneously (e.g., the UE is configured with different CORESET pool index parameters (e.g., coresetPoolIndex) in the PDCCH configuration parameters (e.g., PDCCH-Config) including CORESET parameters (e.g., ControlResourceSet)), one PUSCH overlaps in the time domain with another PUSCH on the same serving cell that has the same CORESET pool index parameter (e.g., coresetPoolIndex) value.

[0261] - The PDSCH overlaps with the PDCCH on the same serving cell in both the time and frequency domains.

[0262] In some implementations, a PUCCH collision with other physical channels can be at least one of the following:

[0263] -PUCCH overlaps with other PUCCH and / or PUSCH in the time domain.

[0264] - The PUCCH overlaps with other PDSCHs on the same serving cell in the time domain.

[0265] In some implementations, PDCCH collisions with other physical channels can be at least one of the following:

[0266] - The PDCCH overlaps in the time domain with other PUSCH and / or PUCCH on the same serving cell.

[0267] - The PDCCH overlaps with other PDSCHs on the same serving cell in both the time and frequency domains.

[0268] In the description of exemplary embodiments of this disclosure, a “set of overlapping channels” can be understood as each channel in the set of overlapping channels overlapping (or conflicting) with at least one channel in the set other than the channel itself. The channel may include one or more PUCCHs and / or one or more PUSCHs. For example, a “set of overlapping channels” may include a “set of overlapping PUCCHs and / or PUSCHs”. As a specific example, when a first PUCCH overlaps with at least one of a second PUCCH and a third PUCCH, a second PUCCH overlaps with at least one of a first PUCCH and a third PUCCH, and a third PUCCH overlaps with at least one of a first PUCCH and a second PUCCH, the first PUCCH, the second PUCCH, and the third PUCCH constitute a set of overlapping channels (PUCCHs). For example, the first PUCCH overlaps with both the second and third PUCCHs, while the second and third PUCCHs do not overlap.

[0269] In the description of exemplary embodiments of this disclosure, 'resolving overlapping channels' can be understood as resolving conflicts between overlapping channels. For example, when a PUCCH overlaps with a PUSCH, resolving the overlap or conflict may include multiplexing the UCI in the PUCCH to the PUSCH, or it may include sending a higher-priority PUCCH or PUSCH. As another example, when a PUCCH overlaps with one or more PUCCHs, resolving the overlap or conflict may include multiplexing the UCI into one PUCCH, or it may include sending a higher-priority PUCCH. As yet another example, when two PUSCHs of the same serving cell overlap, resolving the overlap or conflict may include sending the PUSCH with the higher priority of the two PUSCHs. The terms "resolving overlapping channels," "resolving overlap between channels," "determining overlap between channels," and "determining overlapping channels" are used interchangeably.

[0270] In some cases, in order to reduce the energy consumption of the base station, the base station may operate in an energy-saving mode (e.g., cell shutdown mode; or, for example, inactive mode) or a dormant mode or a predetermined mode (in embodiments of this disclosure, it may be referred to as a "network energy-saving related mode"). For example, in an energy-saving mode, a dormant mode or a predetermined mode, the base station does not send specific downlink signals and / or the base station does not receive specific uplink signals.

[0271] In some implementations, the operating mode of the base station (e.g., whether it is an energy-saving mode; or, for example, the cell (e.g., serving cell) discontinuous reception / discontinuous transmission (DRX) / DTX (discontinuous transmission) mode) and / or the operating mode (or state) of the UE and / or parameters related to cell discontinuous reception and / or discontinuous transmission can be indicated by protocol specifications and / or higher-level signaling configuration and / or dynamic signaling. The above descriptions are interchangeable. For example, there can be two modes: Mode 1 and Mode 2.

[0272] Mode 1 (also referred to as "first mode" in the embodiments of this disclosure): For example, Mode 1 can be a non-energy-saving mode (also referred to as normal mode) or an active mode. In Mode 1, normal communication (uplink transmission and / or downlink transmission) can be performed between the base station and the UE. For example, when in Mode 1, the base station can transmit downlink channels and / or the base station can receive uplink channels. Alternatively, when in Mode 1, the UE can receive downlink channels transmitted by the base station and / or the UE can transmit uplink channels. It should be noted that Mode 1 can be an existing mode. Being in Mode 1 can be understood as being in Mode 1 during a certain time (or state), for example, being in an active time (or state).

[0273] Mode 2 (also referred to as "Second Mode" in embodiments of this disclosure): For example, Mode 2 can be a power-saving mode, a sleep mode, or an inactive mode. In Mode 2, the base station may not perform some or all downlink transmissions or uplink receptions. For example, when in Mode 2, the base station may not transmit some or all downlink channels and / or the base station may not receive some or all uplink channels; correspondingly, the UE may not receive some or all downlink channels and / or the UE may not transmit some or all uplink channels. Alternatively, when in Mode 2, the UE does not expect the base station to transmit some or all downlink channels and / or the base station to receive some or all uplink channels. Being in Mode 2 can be understood as being in a Mode 2 time (or state), for example, being in an inactive time (or state). As another example, being in Mode 2 can be understood as being in a DRX and / or DTX opportunity.

[0274] In some implementations, the UE can be configured and / or indicated a mode or state applicable to the UE's downlink reception and / or uplink transmission. For example, a mode or state can be configured and / or indicated for the UE in a serving cell, applicable to the UE's downlink reception and uplink transmission on that serving cell. The UE's behavior in this mode (e.g., downlink reception method and / or uplink transmission method) can also be specified by a protocol.

[0275] In some implementations, the UE's downlink reception and uplink transmission can be configured and / or indicate a mode or state, for example, a downlink mode or state corresponding to downlink reception and an uplink mode or state corresponding to uplink transmission; or, the UE's downlink reception or uplink transmission can be configured and / or indicate a mode or state. The UE's behavior in a downlink mode or state (e.g., downlink reception method) and / or the UE's behavior in an uplink mode (e.g., uplink transmission method) can also be specified by the protocol. The UE can also report its UE capabilities regarding whether it supports the corresponding power-saving mode for both downlink reception and uplink transmission.

[0276] It should be noted that configuring and / or indicating a mode or state in the embodiments of this disclosure can be understood as configuring one or more parameters related to network power saving and / or cell DRX and / or DTX. These one or more parameters related to network power saving and / or cell DRX and / or DTX may include at least one of period, start time slot (or offset), activity period duration, and timer (e.g., one or more timers). Cell DRX and / or DTX can be understood as cell-specific DRX and / or DTX. Cell DRX and / or DTX may be DRX and / or DTX common to UEs within the cell. The term "cell DRX and / or DTX" may refer to the DRX and / or DTX of a cell or corresponding base station, and / or the DRX and / or DTX of a terminal. It should be noted that the term "cell DRX and / or DTX" used in this disclosure is merely an example, and any suitable terminology may be used to represent transmission and / or reception related to base station power saving and / or DRX and / or DTX, and / or terminal power saving and / or DRX and / or DTX.

[0277] In some cases, the UE can be configured with one or more parameters related to network power saving and / or cell DRX and / or DTX (e.g., parameters related to Mode 1 and / or Mode 2 described above, or cell DRX and / or DTX parameters). In some examples, when the UE (e.g., a MAC entity) is configured with parameters related to Mode 1 and / or Mode 2, the UE may have an active time corresponding to Mode 1 and / or an inactive time corresponding to Mode 2. In some examples, when the UE is configured with DRX and / or DTX parameters, the UE may have an active time and / or an inactive time. The active time can be the duration for which an onDuration timer runs. For example, for cell DTX, this could be the duration for which the UE receives downlink channels and / or signals (e.g., listens to the PDCCH); for cell DRX, the active time could be the duration for which the UE transmits uplink channels and / or signals. The inactive time can be the duration for which the onDuration timer does not run; for example, for cell DTX, the inactive time could be the duration for which the UE does not receive some or all downlink channels and / or signals. For cell DRX, inactive time can be the duration during which the UE does not transmit certain or all uplink channels and / or signals; that is, inactive time can be opportunities for discontinuous reception and / or discontinuous transmission. Network power saving related operations can be periodic. A power saving period can include active time and / or immediately following inactive time. For example, when a UE is configured with DRX parameters, the DRX period can include active time and / or immediately following inactive time. In some embodiments of this disclosure, configuring the UE with network power saving related modes (mode 1 and / or mode 2) and / or cell DRX and / or DTX can include the UE being configured to have a corresponding mode or operating in a corresponding mode (UE power saving), and / or being notified to the base station or cell to have a corresponding mode and / or the base station operating in the corresponding mode (network (base station) power saving).

[0278] It should be noted that, unless the context clearly indicates otherwise, all or one of the methods, steps, or operations described in the embodiments of this disclosure may be configured and / or indicated by higher-level signaling and / or dynamic signaling. Dynamic signaling may be PDCCH and / or DCI and / or DCI format. For example, for SPS PDSCH and / or CG PUSCH, it may be dynamically indicated in its active DCI / DCI format / PDCCH. All or one of the described methods, steps, and operations may be optional. For example, if a parameter is configured (e.g., parameter X), the UE performs one mode (e.g., mode A); otherwise (if the parameter is not configured, e.g., parameter X), the UE performs another mode (e.g., mode B). Unless otherwise specified, parameters in the embodiments of this disclosure may be higher-level parameters. For example, higher-level parameters may be parameters configured or indicated by higher-level signaling (e.g., RRC signaling).

[0279] It should be noted that, in the description of the exemplary embodiments of this disclosure, the PCell (primary cell) or PSCell (primary and secondary cell) can be used interchangeably with a cell that has a PUCCH. The serving cell can be used interchangeably with other cells.

[0280] It should be noted that, in the description of the exemplary embodiments of this disclosure, the method used for the downlink can also be applied to the uplink, and the method used for the uplink can also be applied to the downlink. For example, PDSCH can be replaced with PUSCH, SPS PDSCH can be replaced with CG PUSCH, and downlink symbols can be replaced with uplink symbols, so that the method used for the downlink can be applied to the uplink.

[0281] It should be noted that the method applicable to scheduling multiple PDSCH / PUSCHs in the description of the exemplary embodiments of this disclosure can also be applied to repeated transmissions of PDSCH / PUSCHs. For example, one of the multiple PDSCH / PUSCHs can be replaced with one repeated transmission in multiple repeated transmissions of PDSCH / PUSCHs.

[0282] It should be noted that in the methods of this disclosure, in the description of exemplary embodiments of this disclosure, being configured and / or indicating repeated transmission can be understood as the number of repeated transmissions being greater than 1. For example, "PUCCH configured and / or indicating repeated transmission" can be replaced with "PUCCH repeatedly transmitted on more than one time slot / sub-time slot". Not being configured and / or indicating repeated transmission can be understood as the number of repeated transmissions being equal to 1. For example, "PUCCH not configured and / or indicating repeated transmission" can be replaced with "PUCCH transmission with a repeated transmission count of 1". For example, the UE can configure parameters related to the number of PUCCH repeated transmissions. When this parameter A value greater than 1 indicates that the UE is configured to repeatedly transmit PUCCH, and the UE can... Repeated PUCCH transmissions occur on a time unit (e.g., a time slot); when this parameter equals 1, it may mean that the UE is not configured for repeated PUCCH transmissions. For example, a repeated PUCCH may contain only one type of UCI. If repeated PUCCH transmissions are configured, in the description of the exemplary embodiments of this disclosure, one repeated PUCCH transmission among multiple repeated PUCCH transmissions may be considered as a single PUCCH (or PUCCH resource), or all repeated PUCCH transmissions may be considered as a single PUCCH (or PUCCH resource), or a specific repeated PUCCH transmission among multiple repeated PUCCH transmissions may be considered as a single PUCCH (or PUCCH resource).

[0283] It should be noted that, in the description of the exemplary embodiments of this disclosure, a PDCCH and / or DCI and / or DCI format scheduling multiple PDSCH / PUSCH can be multiple PDSCH / PUSCH of the same serving cell and / or multiple PDSCH / PUSCH of different serving cells.

[0284] It should be noted that in the exemplary embodiments of this disclosure, multiple methods / approaches can be combined in any order. In a combination, a method / approach may be executed once or multiple times, or a method / approach may not be executed. Furthermore, in the exemplary embodiments of this disclosure, at least one step / operation of one method / approach may be combined with one or more steps / operations of other methods / approaches to form a new embodiment. The steps / operations in the combination may be executed once or multiple times. When executing a method / approach or a combination of methods / approaches, one or more steps / operations of that method / approach or combination of methods / approaches may be omitted, or other related steps / operations (e.g., one or more steps / operations of other related methods / approaches) may be additionally executed.

[0285] It should be noted that the steps in the method disclosed herein can be performed in any order.

[0286] It should be noted that, in the description of the exemplary embodiments of this disclosure, "cancel transmission" can mean canceling the transmission of the entire uplink channel and / or canceling the transmission of a portion of the uplink channel.

[0287] It should be noted that in the description of the exemplary embodiments of this disclosure, "order from smallest to largest" (e.g., ascending order) can be replaced with "order from largest to smallest" (e.g., descending order), and / or "order from largest to smallest" (e.g., descending order) can be replaced with "order from smallest to largest" (e.g., ascending order).

[0288] It should be noted that, in the description of the exemplary embodiments of this disclosure, a PUCCH / PUSCH carrying / having / including A can be understood as carrying / having / including only a PUCCH / PUSCH carrying / having / including A, or it can be understood as carrying / having / including at least a PUCCH / PUSCH carrying / having / including A.

[0289] It should be noted that in the description of the exemplary embodiments of this disclosure, "time slot" can be replaced by "sub-time slot" or "time unit".

[0290] It should be noted that, in the description of the exemplary embodiments of this disclosure, the time interval (or time unit interval) between the first physical channel and the second physical channel can be understood as the time interval (or time unit interval) between the end position (or end symbol) of the first physical channel and the start position (or start symbol) of the second physical channel, wherein the first physical channel is earlier than the second physical channel. The phrases "the time interval between the first physical channel and the second physical channel is less than a predefined time," "the first physical channel is earlier than the second physical channel but less than a predefined time," and "the first physical channel is earlier than the second physical channel within a predefined time" can be used interchangeably; similarly, the phrases "the time interval between the first physical channel and the second physical channel is greater than a predefined time," "the first physical channel is earlier than the second physical channel but greater than a predefined time," and "the first physical channel is earlier than the second physical channel but outside a predefined time" can be used interchangeably. Alternatively, the time interval (or time unit interval) between the time unit containing the first physical channel and the time unit containing the second channel. The time unit containing a physical channel can be understood as a time unit that overlaps with the end position (or end symbol) of the physical channel or a time unit that overlaps with the start position (or start symbol) of the physical channel.

[0291] It should be noted that, in the description of the exemplary embodiments of this disclosure, "if the predefined conditions are met, execute the predefined method (or steps)" and "if the predefined conditions are not met, do not execute the predefined method (or steps)" can be used interchangeably.

[0292] It should be noted that, in the description of the exemplary embodiments of this disclosure, "configured a parameter (or information)," "provided a parameter (or information)," "configured a parameter to a specific value (e.g., enabled)," and "received a parameter (or information)" can be used interchangeably. Configuring one or more parameters can mean configuring a parameter list in one Internet Explorer, which contains one or more of the parameters. Configuring multiple parameters can also mean configuring the parameter separately in multiple Internet Explorers.

[0293] It should be noted that in the description of the exemplary embodiments of this disclosure, "PUCCH carrying HARQ-ACK information" and "PUCCH including HARQ-ACK information" can be used interchangeably.

[0294] It should be noted that in the description of the exemplary embodiments of this disclosure, "HARQ-ACK", "HARQ-ACK feedback", "HARQ-ACK information", "HARQ-ACK information bits" and "HARQ-ACK codebook" can be used interchangeably.

[0295] It should be noted that in the description of the exemplary embodiments of this disclosure, "determine HARQ-ACK information bits" and "generate HARQ-ACK information bits" can be used interchangeably.

[0296] It should be noted that, in the description of the exemplary embodiments of this disclosure, "uplink" and "uplink" can be used interchangeably, "downlink" and "downlink" can be used interchangeably, "channel", "channel transmission", "physical channel" and "physical channel transmission" can be used interchangeably, "physical channel", "physical channel resource" and "resource" can be used interchangeably, "PUCCH" and "PUCCH resource" can be used interchangeably, and "PUSCH" and "PUSCH resource" can be used interchangeably.

[0297] It should be noted that in the description of the exemplary embodiments of this disclosure, "start time of resource (or channel)" and "first symbol of resource (or channel)" and "start time of first symbol of resource (or channel)" can be used interchangeably.

[0298] It should be noted that in the description of the exemplary embodiments of this disclosure, "end time of resource (or channel)" and "last symbol of resource (or channel)" and "end time of last symbol of resource (or channel)" can be used interchangeably.

[0299] It should be noted that, in the description of the exemplary embodiments of this disclosure, the overlap of two or more physical channels may be in the time domain and / or in the frequency domain.

[0300] It should be noted that, in the description of the exemplary embodiments of this disclosure, the methods applicable to RRC parameters can also be used for MAC CE, and vice versa.

[0301] It should be noted that the embodiments disclosed herein can be applied to one serving cell or multiple serving cells.

[0302] It should be noted that the embodiments disclosed herein can be applied to one BWP or multiple BWPs.

[0303] It should be noted that in the description of exemplary embodiments of this disclosure, "first and second" and "two" can be used interchangeably. For example, "first channel and second channel" can refer to two channels. In the description of exemplary embodiments of this disclosure, "first and second" can also refer to two or more channels. For example, "first channel and second channel" can also refer to two or more channels.

[0304] It should be noted that in the description of the exemplary embodiments of this disclosure, the behavior of the UE (or base station) and the corresponding conditions of the UE (or base station) behavior can be used interchangeably. For example, "UE receives (or is configured) first information (or parameters)" and "if the UE is configured with first information (or parameters)" can be used interchangeably.

[0305] It should be noted that, in the description of the exemplary embodiments of this disclosure, receiving information carried by a DCI format can be understood as detecting a DCI format that carries the information.

[0306] It should be noted that in the exemplary embodiments of this disclosure, the terms "index", "identifier", "identifier" and "number" can be used interchangeably.

[0307] It should be noted that in the embodiments of this disclosure, satisfying a condition can be understood as at least satisfying that condition. That is, the condition and other conditions can be satisfied simultaneously. For example, in the embodiments of this disclosure, "satisfying a specific condition" can be replaced with "at least satisfying a specific condition".

[0308] It should be noted that the UE can support the methods described in the embodiments of this disclosure through capability reporting, and / or can enable the methods described in the embodiments of this disclosure through higher-layer signaling parameters.

[0309] It should be noted that, in the description of the exemplary embodiments of this disclosure, a beam can be understood as a Transmission Configuration Indicator (TCI) status / reference signal / channel / spatial relationship; or a TCI status ID / reference signal ID / channel ID / spatial relationship ID; or a spatial filter associated with the TCI status / reference signal / channel / spatial relationship; or a spatial filter associated with the TCI status ID / reference signal ID / channel ID / spatial relationship ID. In the exemplary embodiments of this disclosure, the following descriptions can be used interchangeably:

[0310] - Beam;

[0311] - Spatial filter;

[0312] - Spatial domain filter;

[0313] - Spatial domain transmission filter;

[0314] - Spatial settings;

[0315] - Quasi-co-located (QCL) assumption;

[0316] -QCL parameter(QCL type(qcl-Type))(e.g., typeD(typeD))

[0317] (Parameters / reference signal);

[0318] -TCI status;

[0319] - Unified TCI state;

[0320] -Spatial relationships;

[0321] -RS (reference signal);

[0322] - Information related to the sounding reference signal (SRS) (e.g., SRS resource indication (SRI)).

[0323] In some implementations, the RS can be a beam-specific RS. For example, the RS can be a CSI-RS or an SSB.

[0324] In the description of exemplary embodiments of this disclosure, the SSB, synchronization signal block, synchronization signal / physical broadcast channel block (SS / PBCH block), and SS block can be used interchangeably. For example, the synchronization signal block may include the primary synchronization signal (PSS), the secondary synchronization signal (SSS), and the PBCH.

[0325] In some examples, the UE can be configured or provided with an SRS resource set index parameter (e.g., SRS_resource_set_index) with two different values ​​(e.g., value 0 and value 1). The first SRS resource set (SRS resource set index parameter value equal to 0) may correspond to a CORESET pool index parameter value equal to 0, and the other SRS resource set (SRS resource set index parameter value equal to 1) may correspond to a CORESET pool index parameter value equal to 1.

[0326] In embodiments of this disclosure, "panel" may refer to a set of antenna ports or an antenna group. An uplink transmission configuration indicator (TCI) for each antenna panel may be used to indicate the beam used for that antenna panel, which may be a beam associated with an indicated reference signal ID. An SRS set ID may be used to indicate an antenna panel ID, wherein each antenna panel is associated with an SRS set.

[0327] Continue to refer to Figure 7 In operation S710, the UE can receive a first PDCCH from the base station. The first PDCCH can indicate (or trigger or activate) the reception of a first downlink physical signal / channel on a serving cell. The reception of the first downlink physical signal / channel can be the reception of one or more first downlink physical signals / channels. For example, the reception of the first downlink physical signal / channel can be the reception of repeated transmissions of the first downlink physical signal / channel. Another example is the reception of periodic transmissions of the first downlink physical signal / channel. Yet another example is the reception of the first downlink physical signal / channel over a period of time.

[0328] In some implementations, the first downlink physical signal / channel can be a common downlink physical signal / channel. For example, the first downlink physical signal / channel can be a cell common downlink physical signal / channel. As another example, the first downlink physical signal / channel can be a group common downlink physical signal / channel. In one example, the first downlink physical signal / channel can be an SSB. In another example, the first downlink physical signal / channel can be an NCD-SSB (non-cell defining SSB).

[0329] Continue to refer to Figure 7 In operation S720, when the first condition is met, if the time interval between the end symbol of the first PDCCH and the start symbol of the first uplink physical channel and / or the first uplink physical signal is not less than a first time, the first downlink physical signal / channel is received, and / or the first uplink physical signal / channel is not transmitted. The first uplink physical signal / channel can be the first uplink physical signal / channel on the serving cell. For example, the first uplink physical channel can be PUCCH and / or PUSCH. For example, the first uplink physical signal can be SRS.

[0330] In some implementations, the first condition may include at least one of the following:

[0331] - The first downlink physical signal / channel overlaps with the first uplink physical signal / channel in the time domain.

[0332] - The time interval between the end symbol of the first downlink physical signal / channel and the start symbol of the first uplink physical signal / channel is no greater than the second time.

[0333] - The time interval between the end symbol of the first uplink physical signal / channel and the start symbol of the first downlink physical signal / channel is no greater than the third time interval.

[0334] The first time, second time, and third time can be predefined times. For example, the second time can be the transition time from downlink reception to uplink transmission by the UE. For example, the third time can be the transition time from uplink transmission to downlink reception by the UE. For example, the second time can be equal to the third time.

[0335] In some implementations, if the time interval between the end symbol of the first PDCCH and the start symbol of the first uplink physical signal / channel is less than a first time when the first condition is met, the first downlink physical signal / channel is not received and / or the first uplink physical signal / channel is not transmitted.

[0336] For common downlink signals / channels, not all UEs are required to receive them. For UEs that do not need to receive common downlink signals / channels, the timing condition may not be met. Therefore, the PDCCH can be used to indicate the reception of a common downlink signal / channel that occurs earlier than the one that meets the timing condition. Thus, this method can improve scheduling flexibility and reduce the transmission delay of higher-priority signals or channels.

[0337] In some implementations, the time interval between the end symbol of the first PDCCH and the start symbol of each first downlink physical signal / channel is not less than a fourth time interval, or the time slot interval between the time slot containing the first PDCCH and the time slot containing each first downlink physical signal / channel is not less than a fourth time interval. The fourth time interval can be based on UE capability reporting and / or higher-layer signaling configuration and / or protocol specifications. This eliminates the need for the UE to pre-buffer potential first downlink physical signals / channels, thus saving UE energy.

[0338] In some implementations, if the time interval between the end symbol of the first PDCCH and the start symbol of a first downlink physical signal / channel is not less than a fifth time, the first downlink physical signal / channel is received. And / or, if the time interval between the end symbol of the first PDCCH and the start symbol of the first downlink physical signal is less than a fifth time, the first downlink physical signal is not received. The fifth time can be based on UE capability reporting and / or higher-layer signaling configuration and / or protocol specifications. The fifth time can be equal to the fourth time. Due to different UE capabilities, the fifth time can be different for different UEs. For common downlink signals / channels, not all UEs are required to receive them. For UEs that do not need to receive common downlink signals / channels, the timing condition may not be met, thus allowing the PDCCH to indicate the reception of a common downlink signal / channel earlier than one that meets the timing condition. Therefore, this method can improve scheduling flexibility and reduce the transmission delay of higher-priority signals or channels.

[0339] In some implementations, the first downlink physical signal / channel is received, wherein the time interval between the end symbol of the first PDCCH and the start symbol of a first downlink physical signal / channel is not less than a fifth time.

[0340] During operation of S710, the UE can also receive a second PDCCH from the base station. The second PDCCH can deactivate the reception of the first downlink physical signal / channel on a serving cell, or the second PDCCH can indicate that the reception of the first downlink physical signal / channel is not to be received.

[0341] In operation S720, if the first condition is met, and the time interval between the end symbol of the second PDCCH and the start symbol of the first uplink physical channel or the first uplink physical signal is not less than a sixth time, the first downlink physical signal / channel is not received, and / or the first uplink physical signal / channel is not transmitted. The first uplink physical signal / channel can be the first uplink physical signal / channel on the serving cell.

[0342] In some implementations, if the time interval between the end symbol of the second PDCCH and the start symbol of the first uplink physical signal / channel is less than a sixth time when the first condition is met, the first downlink physical signal / channel is received and / or the first uplink physical signal / channel is not transmitted.

[0343] In some implementations, the time interval between the end symbol of the second PDCCH and the start symbol of a first downlink physical signal / channel is not less than a seventh time, or the time slot interval between the time slot containing the first PDCCH and the time slot containing a first downlink physical signal / channel is not less than a seventh time. The first downlink physical signal / channel can be the first (or the next) first downlink physical signal / channel after the end symbol of the second PDCCH. The seventh time can be based on UE capability reporting and / or higher-layer signaling configuration and / or protocol specifications. The UE does not need to pre-buffer potential first downlink physical signals / channels, which is beneficial for UE energy saving.

[0344] In some implementations, if the time interval between the end symbol of the second PDCCH and the start symbol of a first downlink physical signal / channel is not less than an eighth time, the first downlink physical signal / channel is not received. And / or, if the time interval between the end symbol of the second PDCCH and the start symbol of the first downlink physical signal is less than an eighth time, the first downlink physical signal is received. The eighth time can be based on UE capability reporting and / or higher-layer signaling configuration and / or protocol specifications. The eighth time can be equal to the seventh time. Since UE capabilities differ, the eighth time can vary for different UEs; for common downlink signals / channels, this method can improve scheduling flexibility.

[0345] In some implementations, the first downlink physical signal / channel is not received, wherein the time interval between the end symbol of the second PDCCH and the start symbol of a first downlink physical signal / channel is not less than an eighth time.

[0346] It should be noted that the method in the embodiments of this disclosure can be applied to determine whether to receive a first downlink physical signal / channel after resolving the overlap between an uplink physical signal / channel and a first predefined symbol. This further improves scheduling flexibility and reduces the transmission delay of higher-priority signals or channels. For example, resolving the overlap between an uplink physical signal / channel and a first predefined symbol may include, if an uplink physical channel overlaps with a first predefined symbol, the UE does not transmit the uplink physical signal / channel.

[0347] In some implementations, the overlap of one or more first uplink physical signals / channels with a first predefined symbol is resolved to determine at least one second uplink physical signal / channel. For example, the determined at least one second uplink physical signal / channel does not overlap with the first predefined symbol. A first downlink physical signal / channel is received if at least a first condition is satisfied for each of the at least one second uplink physical signal / channel, and the time interval between the end symbol of the second PDCCH and the start symbol of each of the at least one second uplink physical signal / channel is not less than a first time interval.

[0348] Accordingly, for the second uplink physical signal / channel, the first condition may include at least one of the following:

[0349] - The first downlink physical signal / channel overlaps with the second uplink physical signal / channel in the time domain.

[0350] - The time interval between the end symbol of the first downlink physical signal / channel and the start symbol of the second uplink physical signal / channel is no greater than the second time.

[0351] - The time interval between the end symbol of the second uplink physical signal / channel and the start symbol of the first downlink physical signal / channel is no greater than the third time interval.

[0352] For example, the first predefined symbol may include at least one of the following.

[0353] - Downlink symbols for semi-static configuration (higher-layer signaling configuration) (e.g., 3GPP parameters tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-

[0354] (Downstream symbols configured by ConfigurationDedicated).

[0355] -SSB symbol. For example, there is no symbol for the SSB that is received by the DCI format.

[0356] -CORESET0 is a symbol. For example, CORESET0 is a COREST (a CORESET associated with a Type0-PDCCHCSS set) associated with a Type0-PDCCHCSS set.

[0357] PDCCH CSS set).

[0358] It should be noted that the "first downlink physical signal / channel" in the embodiments of this disclosure can be replaced with "a set of downlink physical signals / channels" or "a set of overlapping downlink physical signals / channels".

[0359] Figure 10 A flowchart of a method 1000 executed by a terminal according to some embodiments of the present disclosure is shown.

[0360] refer to Figure 10 In operation S1010, the terminal receives the PDCCH, which indicates the reception of downlink physical signals / channels on the serving cell, wherein the downlink physical signals / channels include common downlink physical signals / channels.

[0361] Next, in operation S1020, if at least a first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical signal / channel is not less than a first time, the terminal receives the downlink physical signal / channel, wherein the uplink physical signal / channel is on the serving cell. The first condition includes at least one of the following: the downlink physical signal / channel overlaps with the uplink physical signal / channel in the time domain; the time interval between the end symbol of the downlink physical signal / channel and the start symbol of the uplink physical signal / channel is less than a second time; or the time interval between the end symbol of the uplink physical signal / channel and the start symbol of the downlink physical signal / channel is less than a third time.

[0362] In some implementations, it may be based on various embodiments according to this disclosure (e.g., in combination with...) Figures 4-9B The described embodiments and the various methods described above) are used to perform one or more of operations S1010 to S1020.

[0363] In some implementations, method 1000 may omit one or more of operations S1010 to S1020, or may include additional operations, for example, according to various embodiments of this disclosure (e.g., in combination with...). Figures 4-9B The described embodiments and the various methods described above) describe operations that can be performed by a terminal (e.g., UE).

[0364] Figure 11A flowchart of a method 1100 performed by a base station according to some embodiments of the present disclosure is shown.

[0365] refer to Figure 11 In operation S1110, the base station sends a PDCCH to the terminal. The PDCCH indicates the reception of downlink physical signals / channels on the serving cell, wherein the downlink physical signals / channels include common downlink physical signals / channels. The downlink physical signals / channels are received by the terminal if at least a first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical signals / channel is not less than a first time interval, wherein the uplink physical signals / channels are on the serving cell. The first condition includes at least one of the following: the downlink physical signals / channels overlap with the uplink physical signals / channels in the time domain; the time interval between the end symbol of the downlink physical signals / channels and the start symbol of the uplink physical signals / channels is less than a second time interval; or the time interval between the end symbol of the uplink physical signals / channels and the start symbol of the downlink physical signals / channels is less than a third time interval.

[0366] In some implementations, it may be based on various embodiments according to this disclosure (e.g., in combination with...) Figures 4-9B The methods described in the embodiments described above, and in the various ways described above, are used to perform S1110.

[0367] In some implementations, method 1100 may omit operation S1110, or may include additional operations, for example, according to various embodiments of this disclosure (e.g., in conjunction with...). Figures 4-9B The described embodiments and the various methods described above) describe operations that can be performed by the base station.

[0368] Those skilled in the art will understand that the illustrative embodiments described above are not intended to be limiting. It should be understood that any two or more of the embodiments disclosed herein can be combined in any combination. Furthermore, other embodiments may be utilized and other changes may be made without departing from the spirit and scope of the subject matter presented herein. It will be readily understood that aspects of the invention disclosed herein, as generally described herein and illustrated in the accompanying drawings, can be arranged, substituted, combined, separated, and designed in a variety of different configurations, all of which are contemplated herein.

[0369] Those skilled in the art will understand that the various illustrative logic blocks, modules, circuits, and steps described herein can be implemented in hardware, software, or a combination of both. To clearly illustrate this interchangeability between hardware and software, the various illustrative components, blocks, modules, circuits, and steps are described above in the form of sets of functions. Whether such sets of functions are implemented in hardware or software depends on the specific application and the design constraints imposed on the overall system. Those skilled in the art may implement the described sets of functions in different ways for each specific application, but such design decisions should not be construed as departing from the scope of this application.

[0370] The various illustrative logic blocks, modules, and circuits described in this application may be implemented or performed using 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 device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. The general-purpose processor may be a microprocessor, but in alternatives, the processor may be any conventional processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors cooperating with a DSP core, or any other such configuration.

[0371] The steps of the methods or algorithms described in this application may be embodied directly in hardware, in a software module executed by a processor, or in a combination of both. The software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor so that the processor can read and write information to / from the storage medium. In an alternative, the storage medium may be integrated into the processor. The processor and storage medium may reside in an ASIC. The ASIC may reside in a communication device (e.g., a terminal or base station). In an alternative, the processor and storage medium may reside as discrete components in the communication device (e.g., a terminal or base station).

[0372] In one or more exemplary designs, the functionality may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functionality may be stored or transmitted as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media, the latter including any medium that facilitates the transfer of a computer program from one location to another. Storage media may be any available medium that can be accessed by a general-purpose or special-purpose computer.

[0373] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention, which is determined by the appended claims.

Claims

1. A method executed by a terminal in a wireless communication system, comprising: Receive Physical Downlink Control Channel (PDCCH), the PDCCH indicating the reception of downlink physical signals on the serving cell, wherein the downlink physical signals include common downlink physical signals; and The downlink physical signal is received if at least a first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time interval, wherein the uplink physical channel or the uplink physical signal is on the serving cell. The first condition includes at least one of the following: The downlink physical signal overlaps with the uplink physical channel or uplink physical signal in the time domain. The time interval between the end symbol of the downlink physical signal and the start symbol of the uplink physical channel or the uplink physical signal is less than a second time, or The time interval between the end symbol of the uplink physical channel or the uplink physical signal and the start symbol of the downlink physical signal is less than a third time.

2. The method according to claim 1, further comprising: If the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time, the downlink physical signal will not be received.

3. The method according to claim 1 or 2, further comprising: If the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time, the uplink physical channel or the uplink physical signal is transmitted.

4. The method according to claim 1, further comprising: If at least the first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time, the uplink physical channel or the uplink physical signal will not be transmitted.

5. The method according to any one of claims 1-4, wherein, The time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than the fourth time.

6. The method according to claim 5, wherein, The fourth time is less than the first time.

7. The method according to claim 1, wherein, Receiving the downlink physical signal includes: The downlink physical signal is received when the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or uplink physical signal is not less than a first time, and the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is not less than a fifth time.

8. The method according to claim 1, further comprising: If the time interval between the end symbol of the PDCCH and the start symbol of the downlink physical signal is less than the fifth time interval, the downlink physical signal will not be received.

9. The method according to claim 1, further comprising: Report the capability to receive the downlink physical signal.

10. The method according to claim 1, further comprising: Receive first information, wherein the first information enables the reception of the downlink physical signal.

11. The method according to claim 1, wherein, Receiving the downlink physical signal includes: The downlink physical signal is received if at least a first condition is met for each of one or more uplink physical channels and / or one or more uplink physical signals, and if the time interval between the end symbol of the PDCCH and the start symbol of each of the plurality of uplink physical channels or uplink physical signals is not less than a first time.

12. The method of claim 11, further comprising resolving the overlap between the one or more uplink physical channels and / or the one or more uplink physical signals and a first predefined symbol to determine at least one second uplink physical channel and / or at least one second uplink physical signal. in, Receiving the downlink physical signal includes: The downlink physical signal is received if at least a first condition is met for each of the at least one second uplink physical channel and / or the at least one second uplink physical signal, and the time interval between the end symbol of the PDCCH and the start symbol of each of the at least one second uplink physical channel and / or the at least one second uplink physical signal is not less than a first time.

13. The method according to claim 12, wherein, The first predefined symbol includes at least one of the following: Downlink symbols for semi-static configuration; The symbol for the received synchronization signal block (SSB) is not indicated by the downlink control information (DCI) format; or The symbol for control resource set 0 (CORESET0).

14. The method according to any one of claims 1-13, wherein, Each of the first time, the second time, the third time, the fourth time, and the fifth time is a predefined time.

15. The method according to any one of claims 1-14, wherein, The downlink physical signal includes a synchronization signal block (SSB).

16. The method according to claim 15, wherein, The SSB includes Non-Cell Defined SSB (NCD-SSB).

17. A method performed by a base station in a wireless communication system, comprising: The terminal sends a Physical Downlink Control Channel (PDCCH), which indicates the reception of downlink physical signals on the serving cell, wherein the downlink physical signals include common downlink physical signals. Wherein, if at least a first condition is met, and the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is not less than a first time, the downlink physical signal is received by the terminal, wherein the uplink physical channel or the uplink physical signal is on the serving cell. The first condition includes at least one of the following: The downlink physical signal overlaps with the uplink physical channel or uplink physical signal in the time domain. The time interval between the end symbol of the downlink physical signal and the start symbol of the uplink physical channel or the uplink physical signal is less than a second time, or The time interval between the end symbol of the uplink physical channel or the uplink physical signal and the start symbol of the downlink physical signal is less than a third time.

18. The method of claim 17, wherein: If the time interval between the end symbol of the PDCCH and the start symbol of the uplink physical channel or the uplink physical signal is less than a first time, the downlink physical signal will not be received.

19. A terminal in a wireless communication system, comprising: transceiver; and One or more processors, coupled to the transceiver, are configured to perform the method as described in any one of claims 1-16.

20. A base station in a wireless communication system, comprising: transceiver; and One or more processors, coupled to the transceiver, are configured to perform the method as described in claim 17 or 18.

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