Method and apparatus for receiving and transmitting information

Abstract

The present disclosure provides a method and device for receiving and transmitting information, in particular, provides a method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving a channel state information (CSI) reporting configuration; transmitting a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of: at least one rank indicator (RI), at least one CSI payload size, CSI part 1; and transmitting a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries a CSI associated with the CSI reporting configuration, and the CSI is associated with the at least one RI and / or the at least one CSI payload size, wherein the first uplink channel and the second uplink channel satisfy a specific time domain relationship.

Description

Technical Field

[0001] This application relates to the field of wireless communication technology, and more specifically, to methods and apparatus for receiving and transmitting information. 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, such as the 60GHz band, to achieve higher data rates. To reduce radio wave propagation loss and increase transmission distance, beamforming, massive MIMO, 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, cloud radio access networks (RAN), ultra-dense networks, device-to-device (D2D) communication, wireless backhaul, mobile networks, cooperative communication, cooperative multipoint (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 and modulation (ACM), while filter bank multicarrier (FBMC), non-orthogonal multiple access (NOMA) and sparse code multiple access (SCMA) have been developed as advanced access technologies.

[0006] The transmission from the base station to the user equipment (UE) is called the downlink, and the transmission from the UE to the base station is called the uplink. Summary of the Invention

[0007] To enhance the scheduling efficiency of wireless communication systems, base stations need to acquire channel state information (CSI) to perform scheduling accordingly based on the CSI feedback from terminal devices. However, how to further improve the performance of CSI reporting remains an unresolved issue.

[0008] One aspect of this disclosure provides a method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving a channel state information (CSI) reporting configuration; transmitting a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of the following: at least one rank indicator (RI), at least one CSI load size, and CSI part 1; and transmitting a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries a CSI associated with the CSI reporting configuration, and the CSI is associated with the at least one RI and / or the at least one CSI load size, wherein the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is less than or equal to a first time-domain threshold; and / or the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is greater than or equal to a second time-domain threshold.

[0009] In one example, the at least one RI is at least one allowed RI associated with the RI restriction indication of the CSI reporting configuration.

[0010] In one example, the at least one RI is associated with a resource for transmitting the first uplink channel associated with the CSI reporting configuration; and / or the at least one RI is indicated by information bits carried by the first uplink channel.

[0011] In one example, the RI associated with the CSI is one of the at least one RI; or, the value of the RI associated with the CSI is less than or equal to the value of a first RI, wherein the first RI is one of the at least one RI; or, the value of the RI associated with the CSI is greater than or equal to the value of a second RI, wherein the second RI is one of the at least one RI; or, the value of the RI associated with the CSI is less than or equal to the value of the first RI and greater than or equal to the second RI.

[0012] In one example, the size of the RI fields included in the CSI is determined based on one of the following: the number of the at least one RI; the value of the first RI and / or the value of the second RI; the number of RIs among the at least one allowed RIs whose values ​​are less than or equal to the value of the first RI and / or whose values ​​are less than or equal to the value of the second RI; the difference between the value of the first RI and the value of the second RI.

[0013] In one example, the precoding matrix indicator PMI included in the CSI is determined based on the RI associated with the CSI.

[0014] In one example, the at least one CSI payload size is associated with the resources used to transmit the first uplink channel in the CSI reporting configuration; and / or the at least one CSI payload size is indicated by the information bits carried by the first uplink channel.

[0015] In one example, the load size associated with the CSI is one of the at least one CSI load sizes; or, the load size associated with the CSI is less than or equal to a first load size, wherein the first load size is one of the at least one CSI load sizes; or, the load size associated with the CSI is greater than or equal to a second load size, wherein the second load size is one of the at least one CSI load sizes; or, the load size associated with the CSI is less than or equal to the first load size and greater than or equal to the second load size.

[0016] In one example, the size of the RI field included in the CSI is determined based on the number of the at least one CSI load size.

[0017] In one example, when the load size associated with the CSI is greater than or equal to a third load size, part or all of the CSI is ignored, and wherein the third load size is one of the at least one CSI load sizes.

[0018] In one example, the load size of the portion of the CSI that is not ignored is less than or equal to the third load size.

[0019] In one example, the first uplink channel carries CSI portion 1, and the CSI includes CSI portion 2; and wherein the CSI portion 2 is determined based on the CSI portion 1.

[0020] In one example, the load size of CSI section 2 is determined based on CSI section 1.

[0021] In one example, the first uplink channel is triggered based on interference measurement; or, the first uplink channel is determined based on a comparison of a fifth threshold indicated by the CSI reporting configuration with the load size of the CSI associated with the CSI reporting configuration.

[0022] In one example, the fifth threshold is equal to one of the first load size, the second load size, and the third load size.

[0023] Another aspect of this disclosure provides a method performed by a base station in a wireless communication system, the method comprising: transmitting a Channel State Information (CSI) reporting configuration; receiving a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of the following: at least one rank indicator (RI), at least one CSI load size, and CSI portion 1; and receiving a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries a CSI associated with the CSI reporting configuration, and the CSI is associated with the at least one RI and / or the at least one CSI load size, wherein the offset between a time-domain unit associated with the first uplink channel and a time-domain unit associated with the second uplink channel is less than or equal to a first time-domain threshold; and / or the offset between a time-domain unit associated with the first uplink channel and a time-domain unit associated with the second uplink channel is greater than or equal to a second time-domain threshold.

[0024] In one example, the at least one RI is at least one allowed RI associated with the RI restriction indication of the CSI reporting configuration.

[0025] In one example, the at least one RI is associated with a resource for transmitting the first uplink channel associated with the CSI reporting configuration; and / or the at least one RI is indicated by information bits carried by the first uplink channel.

[0026] In one example, the RI associated with the CSI is one of the at least one RI; or, the value of the RI associated with the CSI is less than or equal to the value of a first RI, wherein the first RI is one of the at least one RI; or, the value of the RI associated with the CSI is greater than or equal to the value of a second RI, wherein the second RI is one of the at least one RI; or, the value of the RI associated with the CSI is less than or equal to the value of the first RI and greater than or equal to the second RI.

[0027] In one example, the size of the RI fields included in the CSI is determined based on one of the following: the number of the at least one RI; the value of the first RI and / or the value of the second RI; the number of RIs among the at least one allowed RIs whose values ​​are less than or equal to the value of the first RI and / or whose values ​​are less than or equal to the value of the second RI; the difference between the value of the first RI and the value of the second RI.

[0028] In one example, the precoding matrix indicator PMI included in the CSI is determined based on the RI associated with the CSI.

[0029] In one example, the at least one CSI payload size is associated with the resources used to transmit the first uplink channel in the CSI reporting configuration; and / or the at least one CSI payload size is indicated by the information bits carried by the first uplink channel.

[0030] In one example, the load size associated with the CSI is one of the at least one CSI load sizes; or, the load size associated with the CSI is less than or equal to a first load size, wherein the first load size is one of the at least one CSI load sizes; or, the load size associated with the CSI is greater than or equal to a second load size, wherein the second load size is one of the at least one CSI load sizes; or, the load size associated with the CSI is less than or equal to the first load size and greater than or equal to the second load size.

[0031] In one example, the size of the RI field included in the CSI is determined based on the number of the at least one CSI load size.

[0032] In one example, when the load size associated with the CSI is greater than or equal to a third load size, part or all of the CSI is ignored, and wherein the third load size is one of the at least one CSI load sizes.

[0033] In one example, the load size of the portion of the CSI that is not ignored is less than or equal to the third load size.

[0034] In one example, the first uplink channel carries CSI portion 1, and the CSI includes CSI portion 2; and wherein the CSI portion 2 is determined based on the CSI portion 1.

[0035] In one example, the load size of CSI section 2 is determined based on CSI section 1.

[0036] In one example, the first uplink channel is triggered based on interference measurement; or, the first uplink channel is determined based on a comparison of a fifth threshold indicated by the CSI reporting configuration with the load size of the CSI associated with the CSI reporting configuration.

[0037] In one example, the fifth threshold is equal to one of the first load size, the second load size, and the third load size.

[0038] Another aspect of this disclosure provides a user equipment including: a transceiver; and a controller coupled to the transceiver, the controller being configured to perform the methods described above that can be performed by the user equipment.

[0039] Another aspect of this disclosure provides a base station, including: a transceiver; and a controller coupled to the transceiver, the controller being configured to perform the methods described above that can be performed by the base station.

[0040] The method proposed in this application improves the performance of CSI, thereby enhancing the scheduling efficiency of the communication system. Attached Figure Description

[0041] The above and other aspects, features and advantages of this disclosure will become clearer when taken in conjunction with the accompanying drawings and the following detailed description.

[0042] Figure 1 The overall structure of an example wireless communication network according to various embodiments of the present disclosure is shown;

[0043] Figure 2A and Figure 2B Transmitting path 200 and receiving path 250 in a wireless communication network according to various embodiments of the present disclosure are shown respectively;

[0044] Figure 3A and Figure 3B The structures of user equipment (UE) and base stations in wireless communication networks according to various embodiments of the present disclosure are shown respectively;

[0045] Figure 4 Method 400 performed by a user equipment (UE) according to various embodiments of the present disclosure is illustrated;

[0046] Figure 5 A method 500 performed by a base station according to various embodiments of the present disclosure is shown;

[0047] Figure 6 The structure 600 of a user equipment according to various embodiments of the present disclosure is shown;

[0048] Figure 7 The structure 700 of a base station according to various embodiments of the present disclosure is shown. Detailed Implementation

[0049] The following description, with reference to the accompanying drawings, is provided to aid in a thorough understanding of the various embodiments of this disclosure as defined by the claims and their equivalents. This description includes various specific details to aid understanding but should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of this disclosure. Furthermore, for clarity and brevity, descriptions of well-known functions and structures may be omitted.

[0050] The terms and wording used in the following description and claims are not limited to their dictionary meanings, but are merely used by the inventors to enable a clear and consistent understanding of this disclosure. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of this disclosure is for illustrative purposes only and not for limiting the purpose of this disclosure as defined in the appended claims and their equivalents.

[0051] It should be understood that the singular forms of “one,” “an,” and “the” include plural references unless the context clearly indicates otherwise. Thus, for example, the reference to “component surface” includes one or more such surfaces.

[0052] The terms “comprising” or “may include” refer to the presence of a corresponding disclosed function, operation, or component that may be used in the various embodiments of this disclosure, rather than limiting the presence of one or more additional functions, operations, or features. Furthermore, the terms “comprising” or “having” may be interpreted as indicating certain characteristics, numbers, steps, operations, constituent elements, components, or combinations thereof, but should not be construed as excluding the possibility of the presence of one or more other characteristics, numbers, steps, operations, constituent elements, components, or combinations thereof.

[0053] The term "or" as used in the various embodiments of this disclosure includes any of the listed terms and all combinations thereof. For example, "A or B" may include A, may include B, or may include both A and B.

[0054] Unless otherwise defined, all terms used in this disclosure (including technical or scientific terms) have the same meaning as understood by one of those skilled in the art as described herein. Common terms as defined in dictionaries are to be interpreted as having a meaning consistent with the context in the relevant technical field and should not be interpreted ideally or overly formally unless expressly defined in this disclosure.

[0055] The various embodiments of this disclosure can be applied to various communication systems, such as: Global System for Mobile Communications (GSM) systems, Code Division Multiple Access (CDMA) systems, Wideband Code Division Multiple Access (WCDMA) systems, General Packet Radio Service (GPRS), Long Term Evolution (LTE) systems, Frequency Division Duplex (FDD) systems, Time Division Duplex (TDD) systems, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication systems, 5th Generation (5G) systems, or New Radio (NR), etc. Furthermore, the various embodiments of this disclosure can be applied to future-oriented communication technologies.

[0056] Figure 1 An example wireless network 100 according to various 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.

[0057] 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).

[0058] 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 for 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 convenience, the terms "user equipment" and "UE" are 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 understood (such as a desktop computer or vending machine).

[0059] gNB 102 provides wireless broadband access to network 130 to multiple first user equipments (UEs) within its coverage area 120. The multiple first UEs include: 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 multiple second UEs within its coverage area 125. The multiple second UEs include 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.

[0060] 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.

[0061] 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.

[0062] 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).

[0063] Figure 2A and Figure 2B Example wireless transmit and receive paths according to 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 structure for a system having a 2D antenna array as described in embodiments of this disclosure.

[0064] 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.

[0065] 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.

[0066] 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.

[0067] 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.

[0068] 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 2BAt 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.

[0069] 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.).

[0070] 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.

[0071] Figure 3A Example UE 116 according to this disclosure is shown. 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.

[0072] UE 116 includes an antenna 301, a radio frequency (RF) transceiver 302, a transmit (TX) processing circuitry 303, a microphone 304, and a receive (RX) processing circuitry 305. UE 116 also includes a speaker 306, a controller / processor 307, an input / output (I / O) interface 308, multiple input devices 309, a display 310, and a memory 311. The memory 311 includes an operating system (OS) 312 and one or more applications 313.

[0073] RF transceiver 302 receives incoming RF signals transmitted by a gNB of wireless network 100 from antenna 301. RF transceiver 302 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 305, which generates a processed baseband signal by filtering, decoding, and / or digitizing the baseband or IF signal. RX processing circuitry 305 sends the processed baseband signal to speaker 306 (e.g., for voice data) or to controller / processor 307 (e.g., for web browsing data) for further processing.

[0074] TX processing circuitry 303 receives analog or digital voice data from microphone 304, or other outgoing baseband data (such as network data, email, or interactive video game data) from controller / processor 307. TX processing circuitry 303 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate processed baseband or IF signals. RF transceiver 302 receives the processed baseband or IF signals from TX processing circuitry 303 and up-converts the baseband or IF signals into RF signals transmitted via antenna 301.

[0075] The controller / processor 307 may include one or more processors or other processing devices and execute an OS 312 stored in memory 311 to control the overall operation of the UE 116. For example, the controller / processor 307 may control the reception of forward channel signals and the transmission of reverse channel signals through the RF transceiver 302, the RX processing circuit 305, and the TX processing circuit 303 according to known principles. In some embodiments, the controller / processor 307 includes at least one microprocessor or microcontroller.

[0076] The controller / processor 307 is also capable of executing other processes and programs residing in the memory 311, 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 controller / processor 307 is capable of moving data into or out of the memory 311 as needed for the execution of the process. In some embodiments, the controller / processor 307 is configured to execute an application 313 based on the OS 312 or in response to signals received from a gNB or operator. The controller / processor 307 is also coupled to an I / O interface IF 308, which provides the UE 116 with the ability to connect to other devices such as laptop computers and handheld computers. The I / O interface 308 is the communication path between these accessories and the controller / processor 307.

[0077] The controller / processor 307 is also coupled to input devices(s) 309 and a display 310. An operator of the UE 116 can use the input devices(s) 309 to input data into the UE 116. The display 310 may be a liquid crystal display or another display capable of displaying text and / or at least limited graphics (such as from a website). Memory 311 is coupled to the controller / processor 307. A portion of memory 311 may include random access memory (RAM), while another portion of memory 311 may include flash memory or other read-only memory (ROM).

[0078] 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 controller / processor 307 can be divided into multiple processors, such as one or more central processing units (CPUs) and one or more graphics processing units (GPUs). Furthermore, 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.

[0079] Figure 3B An example gNB 102 according to this 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.

[0080] 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.

[0081] 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.

[0082] 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.

[0083] 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 reverse 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.

[0084] 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.

[0085] 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.

[0086] 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.

[0087] 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.

[0088] 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).

[0089] The embodiments of this application are described in detail below with reference to the accompanying drawings.

[0090] In this paper, a parameter set (numerology) can refer to a group of parameters that define the basic time and frequency units in a wireless communication system. These parameters can be used to determine the waveform of a signal, subcarrier spacing, and sampling rate. A parameter set can include at least one of the following: subcarrier spacing, cyclic prefix, symbol period, sampling rate, slot length, and frame structure. Optionally, the subcarrier spacing can be the frequency difference between two adjacent subcarriers, typically measured in Hertz (Hz). The subcarrier spacing determines the system's bandwidth and time resolution. Optionally, the cyclic prefix is ​​a cyclic prefix added to the beginning of an Orthogonal Frequency-Division Multiplexing (OFDM) symbol. The length of the cyclic prefix is ​​related to the subcarrier spacing; the cyclic prefix is ​​added to reduce the effects of multipath propagation. Optionally, the symbol period can be the duration of an OFDM symbol. Optionally, the symbol period can be the reciprocal of the subcarrier spacing. Optionally, the sampling rate can be the sampling frequency used for receiving and transmitting signals. Optionally, the sampling rate is related to the subcarrier spacing. Optionally, the time slot length can be: in a Time Division Duplex (TDD) system, the time period used to distinguish between the uplink and downlink. Optionally, the time slot length is related to the subcarrier spacing and symbol period. Optionally, the frame structure is used to define the organization of time slots within a frame, including the frame length and the number of time slots. In 5G New Radio (NR), various parameter set configurations can be supported to adapt to different frequency bands and application scenarios. For example, low-frequency bands may use larger subcarrier spacing to support wider bandwidth and longer transmission distances, while high-frequency bands may use smaller subcarrier spacing to support higher data rates and lower latency.

[0091] In this paper, time-domain resources may include / correspond to several time-domain units.

[0092] In this paper, the temporal unit can be one of: frame, subframe, time slot, sub-time slot, or symbol. Optionally, a sub-time slot can be a subset of a time slot in the temporal domain. For example, the symbols included in a sub-time slot are a subset of the symbols included in a time slot. Optionally, in this paper, the temporal unit can be one of: second, millisecond, microsecond, nanosecond, or sample point.

[0093] In this article, the term "A before B" can be used interchangeably with the term "A no later than B".

[0094] In this article, the term "A after B" can be used interchangeably with the term "A no earlier than B".

[0095] In this paper, frequency domain resources may include / correspond to several frequency domain units.

[0096] In this paper, a frequency domain unit can be at least one of the following: band, subband, component carrier (CC), bandwidth part (BWP), resource block, resource block group (RBG), subcarrier, carrier, frequency band, frequency range, cell, and serving cell. A resource block can be a physical resource block (PRB) or a common resource block (CRB). A frequency range can be frequency range 1 and frequency range 2 (e.g., frequency range 2-1 and / or frequency range 2-2).

[0097] In this paper, a cell can be a serving cell or a non-serving cell. A cell can be at least one of a primary cell (PCell), a primary secondary cell (PSCell), a secondary cell, or a special cell. A special cell (SpCell) can be either a PCell or a PSCell. In dual-connectivity operations, a special cell refers to the primary cell of the Master Cell Group (MCG) or the primary / secondary cell of the Secondary Cell Group (SCG); otherwise, the special cell refers to the primary cell. The special cell can be the currently active special cell.

[0098] In this document, a cell may include one or more CCs. A cell may include one or more uplink CCs, and / or one or more downlink CCs.

[0099] In this document, a cell may have a Physical Cell ID (PCI). Optionally, the UE can obtain the cell's PCI by receiving a Synchronization Signal / Physical Broadcast Channel Block (SS / PBCH block, SSB). Optionally, this SSB is a cell-defining SSB. Optionally, the UE can obtain the cell's PCI through an indication from the base station. For example, the UE can obtain the PCI of a non-serving cell through an indication from the base station. For example, the UE can obtain the PCI of the SSB of a non-serving cell through an indication from the base station.

[0100] In this document, an SSB may have a PCI. The PCI of an SSB may be determined based on a reference signal in the SSB or based on an indication from the base station. Optionally, the reference signal in the SSB may be: a primary synchronization signal (PSS) and / or a secondary synchronization signal (SSS).

[0101] In this paper, the time-frequency unit can be either a resource element (RE) or a resource element group (REG). A resource element group can include one or more resource elements. For example, a resource element group can include 6 or 12 resource elements.

[0102] In this paper, the transmission power of the signal can be represented by the capability at each time-frequency unit, for example, Energy Per Resource Element (EPRE).

[0103] In this paper, the starting time-domain position of a channel, signal, or resource is an earlier position in the time domain, and the ending time-domain position of a channel, signal, or resource is a later position in the time domain.

[0104] In this paper, the starting frequency domain position of a channel, signal, or resource is a lower position in the frequency domain, and the ending frequency domain position of a channel, signal, or resource is a higher position in the frequency domain.

[0105] In this paper, time-domain resources and / or frequency-domain resources may be referred to as physical resources.

[0106] In this document, the UE can perform uplink transmission and / or downlink reception on physical resources.

[0107] In this paper, the UE can receive downlink channels and / or downlink signals on physical resources.

[0108] The channel received over physical resources can be called the downlink physical channel. The signal received over physical resources can be called the downlink physical signal. Downlink channels include: downlink control channels and / or downlink data channels. The downlink control channel can be: Physical Downlink Control Channel (PDCCH). The downlink data channel can be: Physical Downlink Shared Channel (PDSCH).

[0109] Signals received over physical resources can be referred to as downlink physical signals. Downlink signals may include at least one of the following: reference signals for synchronization, reference signals for demodulation, reference signals for acquiring channel state, reference signals for phase tracking, reference signals for mobility, reference signals for positioning, reference signals for channel measurement, and reference signals for interference measurement. Optionally, the reference signal for synchronization may include at least one of the following: a primary synchronization signal (PSS) and a secondary synchronization signal (SSS). Optionally, the reference signal for synchronization may include an SSB.

[0110] In this paper, the reference signal used for demodulation can be referred to as the demodulation reference signal (DM-RS). The reference signal used for phase tracking can be referred to as the phase-tracking reference signal (PT-RS). The reference signal used for positioning can be referred to as the positioning reference signal (PRS). The reference signal used to obtain the channel state can be referred to as the channel-state information reference signal (CSI-RS).

[0111] In this document, the UE may transmit uplink channels and / or uplink signals on physical resources.

[0112] A channel transmitted over physical resources can be referred to as an uplink physical channel. An uplink channel includes at least one of the following: an uplink control channel, an uplink data channel, and a random access channel. An uplink control channel can be a Physical Uplink Control Channel (PUCCH). An uplink data channel can be a Physical Uplink Shared Channel (PUSCH). A random access channel can be a Physical Random Access Channel (PRACH). In this document, the term "PUCCH" may be used interchangeably with the terms "uplink control channel," "control channel for uplink transmission," "control channel for uplink," or "channel for uplink control information." Similarly, the term "PUSCH" may be used interchangeably with the terms "uplink data channel," "channel for uplink data transmission," or "data channel for uplink."

[0113] Signals transmitted over physical resources can be referred to as uplink physical signals. Uplink signals can include at least one of the following: a reference signal for demodulation, a reference signal for phase tracking, and a reference signal for detection. The reference signal for detection can be referred to as a sounding reference signal (SRS).

[0114] Optionally, the reference signal used for demodulation may include at least one of the following: a reference signal for data channel demodulation, and a reference signal for control channel demodulation. Optionally, the reference signal used to acquire channel state may include at least one of the following: a reference signal for tracking, a reference signal for CSI acquisition, and a reference signal for beam management. The reference signal for beam management includes at least one of the following: a reference signal for acquiring Layer 1 Reference Signal Received Power (L1-RSRP), and a reference signal for acquiring Layer 1 Signal to Interference plus Noise Ratio (L1-SINR). Acquiring L1-RSRP may involve calculating L1-RSRP. Acquiring L1-SINR may involve calculating L1-SINR.

[0115] In this paper, the UE can obtain downlink control information (DCI) through PDCCH.

[0116] In this document, the term “downlink control information” may be used interchangeably with the terms “DCI format” or “control information for downlink”.

[0117] In this document, the term "PDCCH" may be used interchangeably with the terms "downlink control channel" or "control channel for downlink transmission" or "control channel for downlink".

[0118] In this document, the term “PDCCH” may be used interchangeably with the term “PDCCH candidate”.

[0119] In this document, a PDCCH can consist of one or more Control Channel Elements (CCEs). Optionally, the one or more CCEs associated with / corresponding to a PDCCH can be one or more CCEs that make up the PDCCH. The aggregation level (AL) of a PDCCH can be L, where L can be 1, 2, 4, 8, or 16. If the aggregation level of a PDCCH is L, then the PDCCH consists of L CCEs, or is associated with / corresponds to L CCEs. The terms "aggregation level" and "CCE aggregation level" are used interchangeably.

[0120] In this paper, the UE listens for the PDCCH in the search space associated with the Control Resource Set (CORESET). The PDCCH can be monitored from the search space associated with the Control Resource Set.

[0121] In this document, the term “control resource set” may be used interchangeably with the term “control resource” or “resource for receiving control information” or “resource for listening to PDCCH” or “resource for detecting control information”.

[0122] In this document, the term "search space" may be used interchangeably with the terms "PDCCH search space," "PDCCH search space set," "PDCCH candidate search space," "PDCCH candidate search space set," "search space used for searching PDCCH," "search space used for searching PDCCH candidates," "search space set used for searching PDCCH," or "search space set used for searching PDCCH candidates." Optionally, the search space can be a Common Search Space (CSS) or a UE-specific Search Space (USS). Optionally, the search space can be used for detecting DCI. Optionally, the search space can be used for detecting DCI formats.

[0123] In this paper, the term “PDCCH candidate associated with the search space” can be used interchangeably with the term “PDCCH candidate in the search space”.

[0124] In this paper, the modulation method associated with a PDCCH candidate can be the modulation method used by the corresponding PDCCH candidate. The aggregation level associated with a PDCCH candidate can be the aggregation level of the corresponding PDCCH candidate.

[0125] In this document, the UE can listen to the PDCCH (or listen to PDCCH candidates) during a PDCCH listening opportunity. Optionally, a PDCCH listening opportunity can be one or more (contiguous) time-domain units. Optionally, a PDCCH listening opportunity can be: an opportunity for listening to the PDCCH, or an opportunity for listening to PDCCH candidates.

[0126] In this paper, monitoring PDCCH candidates can be: receiving PDCCH candidates and / or decoding according to the monitored DCI formats.

[0127] In this paper, DCI detection includes receiving and / or decoding DCI.

[0128] In this document, the DCI format can be at least one of: DCI format 0_0, DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_0, DCI format 1_1, DCI format 1_2, and DCI format 1_3. In this document, the type of the DCI format can be one of the following: DCI format 0_0, DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_0, DCI format 1_1, DCI format 1_2, and DCI format 1_3.

[0129] In this document, the PDCCH may carry a DCI and / or the corresponding Cyclic Redundancy Check (CRC), or the DCI and / or the corresponding CRC may be present in the PDCCH. Optionally, the CRC may be scrambled in a specific manner. For example, the CRC may be scrambled based on a Radio Network Temporary Identifier (RNTI). Two PDCCHs having the same scrambling can be achieved by both PDCCHs being scrambled with the same RNTI. Optionally, the RNTI may be one of the Cell-Radio Network Temporary Identifier (C-RNTI) or the ConfiguredScheduling-Radio Network Temporary Identifier (CS-RNTI).

[0130] In this document, the term "information bits of a DCI" may be used interchangeably with the terms "information bits associated with a DCI," "information bits included in a DCI," or "information bits corresponding to a DCI." Optionally, the information bits associated with a DCI may include: the information bits of the DCI and the check bits (e.g., CRC bits) corresponding to the DCI. Alternatively, the information bits associated with a DCI may include: the information bits of the DCI and bits used to verify the DCI (e.g., CRC bits).

[0131] In this paper, the information bits of the DCI can be: the information bits included in the DCI, or the information bits associated with the DCI, or the payload of the DCI.

[0132] In this document, DCI may include one or more information fields.

[0133] In this document, the term “size of the information field” may be used interchangeably with the terms “bit width of the information field” or “number of information bits in the information field”.

[0134] In this paper, the existence of an information field is defined as a field whose size is greater than 0 bits. The non-existence of an information field is defined as a field whose size is equal to 0 bits.

[0135] In this paper, the value x of an information field can correspond to the (x+1)th code point of that information field, where x ≥ 0. The terms "value of an information field" and "code point of an information field" are interchangeable.

[0136] In this paper, when a DCI schedules a channel or signal, the cell that receives or transmits that channel or signal can be referred to as the scheduled cell. The cell that the DCI is detected in, or the cell that listens to / receives the DCI, can be referred to as the scheduling cell.

[0137] In this paper, when a DCI schedules a channel or signal, the BWP that receives or transmits that channel or signal can be referred to as the scheduled BWP. The BWP that the DCI detects, or the BWP that listens to / receives the PDCCH associated with the DCI, can be referred to as the scheduling BWP.

[0138] In this paper, the UE can acquire data via the PDSCH. The UE can acquire downlink data by receiving the PDSCH.

[0139] In this document, the term “PDSCH” may be used interchangeably with the terms “downlink data channel” or “data channel for downlink transmission” or “downlink channel for receiving data” or “downlink channel for carrying data”.

[0140] In this paper, a PDSCH can be DCI-scheduled / indicated. A PDSCH scheduled / indicated by DCI can be referred to as a dynamically scheduled PDSCH. For example, a PDSCH can be scheduled via DCI format.

[0141] In this document, PDSCH can refer to a PDSCH used for semi-persistent scheduling (SPS). The term "PDSCH used for semi-persistent scheduling" can be interchanged with "SPS PDSCH," "PDSCH without a corresponding PDCCH," "PDSCH scheduled without a corresponding PDCCH," or "PDSCH with SPS." Here, PDCCH can be a PDCCH transmission. Optionally, PDSCH can be scheduled based on higher-layer configuration information. Optionally, this higher-layer configuration information can be used to configure downlink semi-persistent transmission. This higher-layer configuration information is, for example, SPS-Config. The information used to configure downlink semi-persistent transmission can be referred to as SPS configuration information. Optionally, the SPS PDSCH can be activated by DCI. Optionally, the DCI is scrambled using CS-RNTI or Group Configured Scheduling RNTI (G-CS-RNTI).

[0142] In this paper, the reference signal associated with the downlink channel includes: a reference signal for demodulation, and / or a reference signal for phase tracking. For example, the reference signal associated with the downlink channel includes: a reference signal for demodulating the downlink channel, and / or a reference signal for phase tracking the downlink channel. The reference signal associated with the downlink channel may be referred to as: the reference signal of the downlink channel.

[0143] In this paper, the downlink channel may include: the downlink channel and the reference signal associated with the downlink channel.

[0144] In this paper, the UE can transmit uplink control information (UCI) through the uplink channel.

[0145] In this document, the term "Uplink Control Information (UCI)" may be used interchangeably with the term "control information for uplink".

[0146] In this paper, UCI includes: Hybrid Automatic Repeat Request (HARQ) information, information for scheduling request (SR), information for link recovery request (LRR), and Channel State Information (CSI). Hybrid Automatic Repeat Request information can be Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) information. Information for scheduling requests can be referred to as scheduling requests. Information for link recovery requests can be referred to as link recovery requests.

[0147] In this paper, UCI includes the UCI information bits.

[0148] In this document, the term "UCI information bit" may be used interchangeably with the terms "UCI-associated information bit," "UCI-included information bit," or "DCI / UCI-corresponding information bit." The UCI-associated information bit may include: the UCI information bit and the corresponding check bit (e.g., CRC bit). The UCI-associated information bit may also include: the UCI information bit and bits used to verify the UCI (e.g., CRC bit).

[0149] In this paper, the CSI information bits can be divided into one or two parts. When the CSI information bits correspond to two parts, these two parts are: CSI Part One and CSI Part Two.

[0150] In this document, a UE may transmit one or two PUCCHs within a single time-domain element of a serving cell. These two PUCCHs may be transmitted on different time-domain resources. For example, a UE may transmit two PUCCHs on different symbols within a single time slot.

[0151] In this document, the term "PUCCH" may be used interchangeably with the terms "uplink control channel," "channel for transmitting uplink control information," or "channel for carrying uplink control information."

[0152] In this document, the UE can transmit data and / or UCI via PUSCH. UCI on PUSCH can be referred to as UCI multiplexing; or, UCI and data being transmitted together on PUSCH can be referred to as UCI multiplexing.

[0153] In this paper, PUSCH can be used to carry information bits. The information bits carried by PUSCH can be referred to as PUSCH information bits. PUSCH information bits include TB information bits and / or UCI information bits.

[0154] In this document, the term "PUSCH information bits" may be used interchangeably with the terms "PUSCH associated information bits" or "PUSCH-bearing information bits". Optionally, the PUSCH-bearing information bits may include: PUSCH-bearing information bits and check bits (e.g., CRC bits). Optionally, the PUSCH associated information bits may include: PUSCH information bits and bits used to verify the information carried by the PUSCH (e.g., CRC bits).

[0155] In this paper, the uplink channel-associated reference signal includes: a reference signal for demodulation, and / or a reference signal for phase tracking. For example, the uplink channel-associated reference signal includes: a reference signal for demodulating the uplink channel, and / or a reference signal for phase tracking the uplink channel. The uplink channel-associated reference signal may be referred to as: the uplink channel reference signal.

[0156] In this paper, the uplink channel may include the uplink channel and the reference signal associated with the uplink channel.

[0157] In this document, the UE can obtain indication information from the base station. Optionally, the indication information may include at least one of the following: configuration information, activation command, and deactivation command. The indication information from the base station may be carried / indicated by at least one of Radio Resource Control (RRC) information, Media Access Control (MAC)-Control Element (CE) (MAC-CE), and DCI. RRC information may be referred to as configuration information. Configuration information may be indicated by RRC parameters in the RRC information. RRC parameters may be RRC information elements. MAC-CE related indication information may be indicated by MAC-CE parameters in the MAC-CE. MAC-CE parameters may be parameters used for MAC-CE signaling indication / activation / deactivation.

[0158] In this document, the UE can obtain one or more configurations via RRC information and instruct / activate / deactivate a portion of those configurations via MAC-CE. The UE can then operate according to the configuration indicated / activated by MAC-CE.

[0159] In this document, the UE can obtain one or more configurations through RRC information and instruct / activate / deactivate a portion of those configurations via MAC-CE. The UE can operate according to the configuration indicated / activated by MAC-CE. Optionally, the UE can determine one or more configurations within that portion of configurations (e.g., the portion of configurations indicated / activated by MAC-CE) based on DCI indications. The UE can operate according to the configuration indicated by DCI.

[0160] In this paper, the RRC parameter and / or MAC-CE parameter may be referred to as high-level parameters.

[0161] In this document, UE obtaining configuration information can refer to: UE receiving / being configured with configuration information. In this document, "obtaining configuration information" can be used interchangeably with the terms "receiving configuration information" or "being configured with configuration information."

[0162] In this document, the UE may send indication information to the base station. The indication information sent to the base station may be carried / indicated by at least one of the following: Radio Resource Control (RRC) information, Media Access Control (MAC)-Control Element (CE) (MAC-CE), and UCI.

[0163] In this document, the UE can send information to the base station to indicate / report UE capabilities. UE capabilities include: UE radio access capability.

[0164] In this document, the term "UE capability" may be used interchangeably with the terms "UE feature", "UE feature group", "UE capability parameter", "reported UE capability", "UE capability signaling", or "reported UE capability parameter".

[0165] In this document, the UE can receive / obtain CSI reporting configuration. The CSI reporting configuration can be indicated / configured by the higher-layer parameter CSI-ReportConfig.

[0166] In this document, the term “CSI” may be used interchangeably with the terms “CSI parameter” or “CSI quantity”.

[0167] In this document, the CSI may include at least one of the following: CSI-RS Resource Indicator (CRI), Rank Indicator (RI), Precoding Matrix Indicator (PMI), Channel Quality Indicator (CQI), Layer Indicator (LI), Synchronization Signal (SS) / Physical Broadcast Channel (PBCH) Block Resource Indicator (SSBRI), Layer 1-Reference Signal Received Power (L1-RSRP), Layer 1-Single to Interference Noise Ratio (L1-SINR), Capability Index, and Time-domain Channel Properties (TDCP). The content included in the CSI may be indicated by the base station. For example, the content included in the CSI may be configured by higher-layer parameters (e.g., reportQuantity). For example, high-level parameters (such as reportQuantity) are indicated by the CSI reporting configuration.

[0168] In this document, the time and / or frequency resources used by the UE to report CSI can be controlled by the base station. The UE can report CSI via uplink channels / uplink signals. The UE can transmit uplink channels associated with CSI reporting. CSI can be carried / indicated via uplink channels / uplink signals. In this document, CSI reporting can be at least one of the following: periodic, semi-persistent, or aperiodic. Alternatively, the time-domain behavior of CSI reporting can be at least one of the following: periodic, semi-persistent on PUCCH, semi-persistent on PUSCH, or aperiodic. Periodic CSI reporting can be carried by PUCCH. Semi-persistent CSI reporting can be carried by either PUCCH or PUSCH. Aperiodic CSI reporting can be carried by PUSCH. The time-domain behavior of CSI reporting can be indicated / configured by higher-level parameters (e.g., reporting configuration type (reportConfigType)). For example, a higher-level parameter (e.g., reportConfigType) is indicated by the CSI reporting configuration. The time-domain behavior of CSI reporting can be: the time-domain behavior of CSI reporting corresponding to the CSI reporting configuration. When reportConfigType is set to 'aperiodic', the corresponding CSI reporting is aperiodic CSI reporting. When reportConfigType is set to 'semiPersistentOnPUCCH', the corresponding CSI reporting is semi-persistent CSI reporting carried by PUCCH. When reportConfigType is set to 'semiPersistentOnPUSCH', the corresponding CSI reporting is semi-persistent CSI reporting carried by PUSCH. When reportConfigType is set to 'periodic', the corresponding CSI reporting is periodic CSI reporting.

[0169] In this document, periodic CSI reporting can be triggered / indicated by RRC signaling. For example, when the UE receives a CSI reporting configuration that triggers / indicates periodic CSI reporting and the configuration information is applied (or, after it is applied), the UE performs the corresponding CSI reporting. In this document, semi-persistent CSI reporting can be triggered / indicated by MAC-CE or DCI. For example, semi-persistent CSI reporting sent on PUCCH is triggered / indicated by MAC-CE. For example, semi-persistent CSI reporting sent on PUSCH is triggered / indicated by DCI. In this document, non-periodic CSI reporting can be triggered / indicated by DCI. For example, when the UE receives a DCI used to trigger / indicate CSI reporting, the UE sends the corresponding CSI report.

[0170] In this disclosure, the term "uplink channel associated with CSI report" may be used interchangeably with the terms "uplink channel corresponding to CSI report" or "uplink channel carrying CSI report".

[0171] In this article, CSI can be either a single report or a CSI reported by the UE within a single report instance.

[0172] In this document, the generation and / or reporting of CSIs are based on CSI reporting configuration. For example, the UE receives a CSI reporting configuration from the base station and generates and / or reports CSIs based on that configuration.

[0173] In this document, the term “CSI reporting configuration” may be used interchangeably with the terms “CSI reporting configuration information” or “information for CSI reporting configuration” or “information for configuring CSI reporting” or “CSI reporting settings”.

[0174] In this document, the CSI reporting band can be as indicated by the CSI reporting configuration. The frequency domain granularity associated with / corresponding to CSI can be wideband and / or subband. For example, PMI / CQI reporting can be wideband and / or subband.

[0175] In this document, PMI (or, the value of PMI) may correspond to a codebook (or, the codebook index). The codebook corresponding to PMI may be indicated by the base station. For example, the codebook corresponding to PMI may be indicated by a parameter in the CSI reporting configuration (e.g., CodebookConfig). In this document, the term "codebook" may be used interchangeably with the terms "CSI codebook," "codebook configuration parameter," "codebook configuration information," or "information used to configure the codebook." Optionally, the codebook can be at least one of the following: Type-I codebook, Type II codebook, Enhanced Type II codebook, Further Enhanced Type II Port Selection, Enhanced Type II for coherent joint transmission (CJT), Further Enhanced Type II Port Selection for CJT, Enhanced Type II for predicted PMI, and Further Enhanced Type II Port Selection for predicted PMI. Configuration information associated with the codebook may include / indicate codebook subset restriction.

[0176] In this paper, the UE can calculate CSI parameters based on the assumption of dependencies between CSI parameters. The assumption of dependencies between CSI parameters includes at least one of the following: LI is calculated conditioned on the reported CQI, PMI, RI and CRI; CQI is calculated conditioned on the reported PMI, RI and CRI; PMI is calculated conditioned on the reported RI and CRI; RI is calculated conditioned on the reported CRI.

[0177] In this document, the UE can acquire / determine / generate CSI by measuring CSI resources. The time and / or frequency resources of the CSI resources can be controlled by the base station. CSI resources may include reference signals and / or downlink channels. CSI resources can be configured through CSI resource configuration. A CSI resource configuration can indicate one or more sets of CSI resources. Optionally, each set of CSI resources may include / indicate one or more reference signals. Optionally, a CSI reporting configuration can be associated with one or more CSI resource configurations. For example, the UE can acquire / determine / generate the CSI corresponding to a CSI reporting configuration by measuring the CSI resources corresponding to that CSI resource configuration associated with it.

[0178] In this document, the term “CSI resource configuration” may be used interchangeably with the terms “CSI resource configuration information” or “information for CSI resource configuration” or “information for configuring CSI resources” or “CSI resource setting”.

[0179] In this document, the UE can determine the measurements used to calculate the CSI based on CSI resources (or, the opportunities of CSI resources). For example, the UE can determine channel measurements and / or interference measurements used to calculate the CSI based on CSI resources (or, the opportunities of CSI resources). For example, the UE can determine channel measurements used to calculate the CSI based on CSI resources used for channel measurements (or, the opportunities of CSI resources). For example, the UE can determine interference measurements used to calculate the CSI based on CSI resources used for interference measurements (or, the opportunities of CSI resources).

[0180] In this document, the term “CSI resource transmission opportunity” may be used interchangeably with the terms “CSI resource opportunity” or “CSI resource reception opportunity” or “CSI resource transmission opportunity”.

[0181] In this document, the term “opportunity to transmit a reference signal resource” may be used interchangeably with the terms “opportunity to receive a reference signal resource” or “opportunity to transmit a reference signal” or “opportunity to receive a reference signal” or “opportunity to transmit a reference signal” or “opportunity to receive a reference signal”.

[0182] In this article, “determining a measurement” can mean: determining the result of a measurement, or acquiring the result of a measurement, or acquiring a measurement based on a reference signal, or acquiring a measurement based on measurement resources, or acquiring a measurement used to determine the CSI.

[0183] In this article, "determining channel measurements" can mean: determining the result of channel measurements, or obtaining the result of channel measurements, or obtaining channel measurements based on reference signals, or obtaining channel measurements based on measurement resources, or obtaining channel measurements used to determine CSI.

[0184] In this article, "determining interference measurement" can mean: determining the result of interference measurement, or obtaining the result of interference measurement, or obtaining interference measurement based on a reference signal, or obtaining interference measurement based on measurement resources, or obtaining interference measurement used to determine CSI.

[0185] In this document, CSI resource measurements may or may not have measurement restrictions. Measurement restrictions can be time-domain restrictions. Time-domain measurement restrictions include time-domain restrictions for channel measurements and / or time-domain restrictions for interference measurements. Measurement restrictions can be enabled or disabled through CSI reporting configuration. For example, parameters in the CSI reporting configuration (e.g., `timeRestrictionForChannelMeasurements`) can be used to enable time-domain restrictions for channel measurements. Similarly, parameters in the CSI reporting configuration (e.g., `timeRestrictionForInterferenceMeasurements`) can be used to enable time-domain restrictions for interference measurements.

[0186] In this document, the term "reference signal" may be used interchangeably with the term "reference signal resource".

[0187] In this document, the reference signal may include at least one of the following: a reference signal for synchronization, a reference signal for demodulation, a reference signal for acquiring channel state, a reference signal for phase tracking, a reference signal for mobility, a reference signal for positioning, a reference signal for channel measurement, a reference signal for interference measurement, and a reference signal for detection. Optionally, the reference signal for synchronization includes at least one of the following: a primary synchronization signal and a secondary synchronization signal. Optionally, the reference signal for synchronization may include: a synchronization signal / physical broadcast channel block. Optionally, the reference signal for demodulation may include at least one of the following: a reference signal for data channel demodulation and a reference signal for control channel demodulation. Optionally, the data channel may include at least one of the following: a physical downlink shared channel and a physical uplink shared channel. Optionally, the control channel may include at least one of the following: a physical downlink control channel and a physical uplink control channel. Optionally, the reference signal for acquiring channel state may include at least one of the following: a reference signal for tracking, a reference signal for CSI acquisition, and a reference signal for beam management. Optionally, the reference signal for beam management includes at least one of the following: a reference signal for obtaining L1-RSRP, and a reference signal for obtaining L1-SINR. Optionally, obtaining L1-RSRP can be done by calculating L1-RSRP. Optionally, obtaining L1-SINR can be done by calculating L1-SINR.

[0188] In this paper, the types of reference signals (or, CSI-RS types) include: reference signals for tracking, reference signals for beam management, and reference signals for CSI acquisition.

[0189] Optionally, the reference signal used for tracking can be a reference signal having tracking reference signal information parameters (e.g., trs-Info). Optionally, having tracking reference signal information parameters means that the configuration information of the resource set used to configure the reference signal is configured with tracking reference signal information parameters. Optionally, the tracking reference signal information parameters indicate that the antenna port for all resources in the resource set is the same. Optionally, the resources in the resource set are NZPCSI-RS resources. Optionally, all resources in the resource set are NZP CSI-RS resources.

[0190] Optionally, the reference signal used for beam management can be a reference signal with a repetition parameter (e.g., repetition). Optionally, the reference signal information parameter with a repetition parameter refers to the configuration information of the resource set used to configure the reference signal being configured with the repetition parameter. Optionally, the repetition parameter indicates whether repetition is on / off. If the UE is configured with a non-zero power CSI-RS resource set (e.g., a resource set configured via the NZP-CSI-RS-ResourceSet parameter) and repetition is set to 'on', the UE may assume that the resources within the resource set are transmitted with the same downlink spatial domain transmission filter, where the resources in the resource set are transmitted in different OFDM symbols. If repetition is set to 'off', the UE does not assume that the resources within the resource set are transmitted with the same downlink spatial domain transmission filter. Optionally, the resources in the resource set are NZP CSI-RS resources.

[0191] Optionally, the reference signal used for CSI acquisition can be a reference signal that does not have a tracking reference signal information parameter and does not have a repeat parameter.

[0192] In this document, the term "beam" may include at least one of the following: "quasi-co-location (QCL) parameter", "transmission configuration indication (TCI) status", "spatial filter", "antenna port", "transmission and reception point (TRP)", "reference signal", "beam information", and "beam index". Optionally, one beam being identical to another can mean that one beam and another beam are quasi-co-located.

[0193] In this paper, an antenna port can be defined such that the channel over which a symbol on the antenna port is conveyed can be inferred from the channel over which another symbol on the same antenna port is conveyed.

[0194] In this paper, two antenna ports are considered quasi-co-located if the large-scale properties of the channel over which a symbol on one antenna port is conveyed can be inferred from the channel over which a symbol on the other antenna port is conveyed. Optionally, the large-scale properties include one or more of delay spread, Doppler spread, Doppler shift, average gain, average delay, and spatial Rx parameters.

[0195] In this document, the term "QCL parameter" may be used interchangeably with the terms "QCL information," "QCL assumption," "QCL configuration," "QCL configuration and / or QCL type." Optionally, a QCL parameter may include / represent at least one of the following: Doppler shift, Doppler spread, average delay, delay spread, or spatial reception parameter. A spatial reception parameter can be a parameter used for spatial reception. Optionally, a QCL parameter may include a combination of different types of parameters. For example, a QCL parameter may include: Doppler shift, Doppler spread, average delay, and delay spread; this type of QCL parameter may be referred to as QCL parameter type A. For example, a QCL parameter may include: Doppler shift and Doppler spread; this type of QCL parameter may be referred to as QCL parameter type B. For example, a QCL parameter may include: Doppler shift and average delay; this type of QCL parameter may be referred to as QCL parameter type C. For example, QCL parameters may include spatial reception parameters, which may be referred to as QCL parameter type D. For instance, if the large-scale properties of the channel over which a symbol is conveyed on one antenna port can be inferred from the channel over which a symbol is conveyed on the other antenna port, then the two antenna ports can be considered quasi-co-located. Optionally, large-scale properties include delay spread, Doppler spread, Doppler shift, average gain, average delay, and one or more of the spatial reception parameters. For instance, if the spatial reception parameters of the channel over which a symbol is conveyed on one antenna port can be inferred from the channel over which a symbol is conveyed on the other antenna port, then the two antenna ports are considered quasi-co-located according to QCL parameter type D.

[0196] In this document, the term "spatial domain filter" may be used interchangeably with the terms "spatial filter," "uplink transmission spatial domain filter," "spatial domain filter for uplink transmission," or "spatial domain filter for downlink reception."

[0197] In this document, the term "TCI state" may be used interchangeably with the terms "TCI state configuration," "TCI state configuration information," "information for configuring the TCI state," or "information for indicating the TCI state." Optionally, the TCI state can be a unified TCI state. Optionally, the TCI state can be at least one of an uplink TCI state (UL TCI state), a downlink TCI state (DL TCI state), or a joint TCI state. Optionally, the unified TCI state can be an uplink TCI state (UL TCI state) and a downlink TCI state (DL TCI state), or a joint TCI state.

[0198] In this document, a TCI state may include parameters configuring a quasi-co-location relationship. These parameters configure the relationship between a reference signal (e.g., one or two reference signals, or one or two downlink reference signals) and at least one of the following: the demodulation reference signal (DM-RS) port of the PDSCH, the DM-RS port of the PDCCH, or the CSI-RS port of the CSI-RS resource. Optionally, the quasi-co-location relationship is configured by higher-layer parameters (e.g., qcl-Type1) for the first downlink reference signal. Optionally, the quasi-co-location relationship is configured by higher-layer parameters (e.g., qcl-Type2) for the second downlink reference signal. In the case of two downlink reference signals, the QCL types should not be the same, regardless of whether the references are to the same DL RS or different DL RSs.

[0199] In this document, the TCI state can be a reference signal for thequasi co-location for DM-RS of PDSCH and DM-RS of PDCCH in a BWP / CC, for CSI-RS, and to provide a reference, if applicable, for determining the UL TX spatial filter. Optionally, the uplink spatial filter can be for dynamically-granted and configured-grant based PUSCH and PUCCH resources and SRS.

[0200] In this document, the UE can obtain the indicated TCI state for receiving downlink channels / downlink signals, and / or for transmitting uplink channels / uplink signals. The indicated TCI state can be obtained through the following methods.

[0201] The UE can receive / apply an indication of the TCI state. For example, the TCI state indication can originate from a base station. Optionally, the UE can obtain the indicated TCI state by receiving the TCI state indication. The TCI state can be indicated via at least one of the following signaling: RRC, MAC-CE, DCI. Optionally, the indicated TCI state can be obtained via at least one of the following: RRC, MAC-CE, DCI. Optionally, the UE can obtain the configured TCI state by receiving RRC signaling associated with the TCI state. Optionally, the UE can obtain the activated TCI state by receiving MAC-CE signaling. Optionally, the activated TCI state originates from a configured TCI state, or the activated TCI state is at least one of the configured TCI states, or the activated TCI state is a subset of the configured TCI states. Optionally, the UE can obtain the indicated TCI state by receiving DCI. Optionally, the indicated TCI state is derived from an activated TCI state, or the indicated TCI state is at least one of the activated TCI states.

[0202] Optionally, the UE may receive an RRC, wherein the RRC may indicate / include configuration information for configuring TCI states. Optionally, the UE may receive configuration information for configuring TCI states. For example, the configuration information for configuring TCI states may be dl-OrJointTCI-StateList. Optionally, the configuration information for configuring TCI states may be in higher-level parameters (e.g., PDSCH-Config) used to configure UE-specific PDSCH parameters. Optionally, the configuration information for configuring TCI states indicates / configures M TCI states. Optionally, M ≥ 1 and / or M ≤ 128. When M = 1, the indicated TCI state refers to the TCI state configured by the higher-level parameters associated with the TCI state. Optionally, the UE applies the indicated TCI after receiving the configuration information for configuring TCI states.

[0203] Optionally, the UE can receive PDCCH configuration information for configuring the PDCCH. Optionally, this PDCCH configuration information can be used to monitor the DCI, where the DCI may include a field indicating the TCI state. This field may be called the TCI field. The size of the TCI field can be predefined or indicated by the base station. For example, the size of the TCI field can be 1 bit, 2 bits, or 3 bits. The TCI field can correspond to several code points, which may be called TCI code points. Optionally, the indicated TCI state can be indicated through the TCI field. For example, the UE can obtain the code point corresponding to the value of the TCI field in the DCI by detecting the DCI. The UE can determine the indicated TCI state based on the TCI state corresponding to the code point.

[0204] The mapping relationship between TCI code points and one or more configured TCI states (e.g., M TCI states) can be indicated by MAC-CE. Optionally, the UE can receive MAC-CE from the base station. Optionally, MAC-CE can activate / indicate one or more TCI states, or MAC-CE can activate / indicate one or more pairs of TCI states. Optionally, MAC-CE can be used to map one or more TCI code points to TCI states. The TCI state indicated / activated by MAC-CE can be referred to as the activated TCI state. Optionally, the activated TCI state is at least one of the M configured TCI states. If MAC-CE maps only a TCI state to a TCI code point, the UE applies the TCI state corresponding to that code point. If MAC-CE maps only a TCI state to a TCI code point, the TCI state corresponding to that code point is the indicated TCI state.

[0205] Optionally, a code point can be mapped to a TCI state. For example, a code point can be mapped to a joint TCI state. Optionally, the joint TCI state can be for both downlink channel / downlink signal (DLTCI state for DL ​​channel / signal) and uplink channel / uplink signal (UL TCI state for UL channel / signal). Optionally, a code point can be mapped to a TCI state pair. A TCI state pair can include a downlink TCI state and an uplink TCI state. Optionally, the downlink TCI state is for the downlink channel / downlink signal (DL TCI state for DL ​​channel / signal). Optionally, the uplink TCI state is for the uplink channel / uplink signal (UL TCI state for UL channel / signal).

[0206] The UE can obtain the indicated TCI state through the above method. The UE can obtain an indicated TCI state. The UE can use / apply the indicated TCI state to receive downlink channels / downlink signals, and / or transmit uplink channels / uplink signals. The UE can use / apply the indicated first TCI state and / or the indicated second TCI state to receive downlink channels / downlink signals, and / or transmit uplink channels / uplink signals.

[0207] In this document, the UE applies the indicated TCI state carried by the DCI when at least one of the following conditions is met: 1) The UE is configured with the dl-OrJointTCI-StateList parameter; 2) The UE will transmit HARQ-ACK information corresponding to the DCI; optionally, the HARQ-ACK information is HARQ-ACK; optionally, the HARQ-ACK information is carried by PUSCH or PUCCH; optionally, the DCI is without DL assignment, or the DCI schedules one or more PDSCHs; 3) The indicated TCI state is different from the previously indicated one. Optionally, the indicated TCI state is applied after the DCI. Optionally, the indicated TCI state is applied starting from the first time slot after beamAppTime symbols following the last symbol of the uplink channel carrying the HARQ-ACK information. The first slot (that is at least beamAppTime symbols after the last symbol of the UL channel carrying the HARQ-ACK information). Here, beamAppTime is a parameter that defines the minimum delay, in symbols, from the end of a PUCCH or PUSCH transmission to the application of a new TCI state. This parameter ensures sufficient time to process and prepare for a new transmission before applying a new TCI state. Optionally, beamAppTime can be predefined or indicated by the base station. The value of beamAppTime can be one of 1, 2, 3, 4, 14, 28, 42, 56, 70, 84, 98, 112, 224, or 336.

[0208] In this document, the indicated TCI state can be applied to one or more serving cells. The indicated TCI state can be applied to one or more BWPs within a serving cell.

[0209] In this paper, the activated TCI state can be applied to one or more serving cells. The activated TCI state can be applied to one or more BWPs in a serving cell.

[0210] Figure 4 Method 400 performed by a user equipment (UE) according to various embodiments of the present disclosure is illustrated. Method 400 includes: at 401, receiving a channel state information (CSI) reporting configuration; at 402, transmitting a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of: at least one rank indicator (RI), at least one CSI load size, and CSI portion 1; and at 403, transmitting a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries a CSI associated with the CSI reporting configuration, and the CSI is associated with the at least one RI and / or the at least one CSI load size.

[0211] The following describes each step in detail with examples.

[0212] In some cases, the UE can receive / be configured with a CSI reporting configuration. Optionally, the CSI reporting configuration is for UE-initiated CSI reports. In this paper, the CSI reporting configuration can be a CSI reporting configuration for UE-initiated CSI reports. In this paper, UE-initiated CSI reports can be considered as: event-driven CSI reports. In this paper, UE-initiated CSI reports can be: UE-initiated beam reporting, or UE-initiated L1-RSRP / L1-SINR reporting, or UE-initiated PMI reporting.

[0213] In this document, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be based on Artificial Intelligent / Machine Learning (AI / ML). In this document, the term "AI / ML" can be used interchangeably with the term "AI / ML model" or simply "model". Optionally, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be used for inference. Optionally, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be used for reporting inference results. In this document, inference can be based on an AI / ML model. Optionally, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be used for model monitoring. In this document, model monitoring can be the monitoring of an AI / ML model. Optionally, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be used for training. In this document, training can be the training of an AI / ML model. Optionally, the CSI reporting configuration and / or the CSI reporting associated with / corresponding to the CSI reporting configuration can be used for data collection. In this paper, data collection can be data collection for AI / ML models.

[0214] In this document, CSI reporting configuration and / or CSI reporting associated with / corresponding to CSI reporting configuration can be applied to the UE-side model. For example, when the UE-side model is deployed / used, CSI reporting configuration and / or CSI reporting-related operations associated with / corresponding to CSI reporting configuration can be used.

[0215] The UE needs to perform measurements against reference signals in order to initiate / determine / report CSI. The reference signal resources used for measurement are discussed below. Optionally, the UE can acquire reference signal resources for measurement. Optionally, the UE can acquire reference signal resources for measurement through CSI reporting configuration. Optionally, the measurement can be channel measurement and / or interference measurement. Reference signal resources used for measurement can be: reference signal resources used for link quality assessment. Optionally, reference signal resources used for measurement include: reference signal resources associated with CSI reporting configuration, and / or, reference signal resources associated with indicated TCI states, and / or, reference signal resources associated with activated TCI states.

[0216] The following discussion focuses on the reference signal resources associated with the CSI reporting configuration.

[0217] Optionally, the reference signal resources associated with the CSI reporting configuration may include: reference signal resources indicated / configured by the CSI reporting configuration. Optionally, the CSI reporting configuration may indicate / configure / associate / correspond to K resources, where K≥1. Optionally, the CSI reporting configuration may indicate / configure / associate / correspond to a resource set, wherein the resource set includes K resources, where K≥1. Optionally, the resource set can be configured using the `newBeamResourceSetEvent2-r19` parameter in the CSI reporting configuration. This parameter can be used to configure the resource set. Optionally, the serving cell of the resources in the resource set can be indicated by the base station, or it can be predefined. For example, the serving cell of the resources in the resource set is configured by the `carrier` parameter in the CSI reporting configuration. This parameter can be used to indicate the serving cell of the resource set. If the `carrier` parameter is not configured in the CSI reporting configuration, then the serving cell of the resources in the resource set is the serving cell of the CSI reporting configuration. Optionally, the resource set can be a new beam resource set. Optionally, the resource set can be used for configuring a new beam. Optionally, the resource set can be used for measurement, and / or for link quality assessment. Optionally, the measurement can be channel measurement and / or interference measurement. Optionally, the reference signals in the resource set are of the same type. Optionally, the types of reference signals include: SSB, CSI-RS. Optionally, the types of CSI-RS include: reference signals for tracking, reference signals for beam management, and reference signals for CSI acquisition. Optionally, when the reference signal resource is a CSI-RS resource, the resource associated with the CSI reporting configuration can be periodic / semi-persistent. Optionally, the BWP associated with the resource set is indicated by the base station or predefined. For example, the BWP associated with the resource set can be indicated by the BWP ID parameter in the information used to configure the resource set (e.g., CSI-ResourceConfig). Optionally, the BWP associated with the resource set can be the BWP containing the resource in the resource set. A predefined BWP can be: an active BWP, an initial BWP, a default BWP, the BWP with the smallest ID, or the BWP with the largest ID. Optionally, the BWP for each resource in the resource set can be indicated separately. Optionally, the BWP for each resource in the resource set can be indicated by the associated BWP ID.

[0218] The reference signal resources associated with the indicated TCI state are discussed below. The method for determining the indicated TCI state is described above.

[0219] Optionally, the reference signal associated with the indicated TCI state can be: the reference signal corresponding to the indicated TCI state. Optionally, the reference signal associated with the indicated TCI state can be at least one of the following: Mode #1) a quasi-co-addressable SSB with the QCL reference signal of the indicated TCI state; Mode #2) the QCL reference signal of the indicated TCI state. Optionally, a TCI state can be associated with / included with / correspond to one or two QCL reference signals. Optionally, if a TCI state is associated with / included with / corresponds to two QCL reference signals, then the reference signal associated with the TCI state is the reference signal of QCL type D among the two QCL reference signals.

[0220] Optionally, the reference signal resource associated with the indicated TCI state can be determined based on method #1 or method #2. Optionally, method #1 or method #2 can be indicated by the base station. For example, parameters included in the CSI reporting configuration indicate method #1 or method #2. Optionally, the reference signal resource associated with the indicated TCI state can be determined based on the reference signal resource associated with the CSI reporting configuration. Optionally, the reference signal resource associated with the indicated TCI state can be determined based on the type of the reference signal resource associated with the CSI reporting configuration. Optionally, if the resource in the resource set is an SSB resource, the reference signal associated with the indicated TCI state is determined using method #1. If the resource in the resource set is a CSI-RS resource (e.g., a reference signal resource with a repetition parameter), the reference signal associated with the indicated TCI state is determined based on method #2.

[0221] Optionally, the type of the reference signal associated with the indicated TCI state is the same as the type of the reference resource included in the resource set.

[0222] Optionally, the reference signal associated with the indicated TCI state and the reference resource included in the resource set may be an SSB. Optionally, when the reference signal associated with the indicated TCI state and / or the reference signal in the resource set is an SSB, the PCI of the SSB associated with the indicated TCI state is the same as the PCI of the SSB in the resource set. This allows the UE to compare measurement results for SSBs from the same physical cell, so that the UE can initiate CSI reporting for that physical cell.

[0223] In some cases, a UE can be configured with one or more serving cells / BWPs, each with different indicated TCI states. It needs to be clearly defined which indicated TCI state is used for event detection. The following methods can prevent the UE from initiating CSI using an incorrect indicated TCI state, improving the reliability of the communication system. Optionally, the indicated TCI state is the indicated TCI state associated with the first serving cell, or the indicated TCI state is the indicated TCI state associated with the first BWP in the first serving cell. For example, the indicated TCI state used to initiate CSI (or, for reporting CSI, or for event determination, or for event association) can be: the indicated TCI state associated with the first serving cell, or the indicated TCI state associated with the first BWP in the first serving cell. Optionally, the first serving cell is indicated by the base station, or the first serving cell is predefined. For example, the first serving cell is indicated by a parameter (e.g., carrier) in the CSI reporting configuration. For example, when the CSI reporting configuration includes this parameter (e.g., carrier), the first serving cell is indicated by this parameter. For example, when the CSI reporting configuration does not include this parameter (e.g., carrier), the first serving cell is the serving cell where the CSI reporting configuration resides. For example, the first serving cell is the serving cell where a resource in the resource set resides. The method for determining the serving cell where a resource in the resource set resides is described above. Optionally, the first BWP can be indicated by the base station, or the first BWP can be a predefined BWP. For example, the first BWP is indicated by a parameter in the CSI reporting configuration. For example, when the CSI reporting configuration includes this parameter, the first BWP is indicated by this parameter. For example, when the CSI reporting configuration does not include this parameter, the first BWP is a predefined BWP. Optionally, the parameter used to indicate the first BWP may be the same as or different from the parameter used to indicate the first serving cell. Optionally, the first BWP can be a BWP associated with a resource set. Optionally, the first BWP and the BWP associated with a resource set can be indicated by the same parameter. For example, the ID of the first serving cell and the ID of the first BWP can be indicated by the parameter ServingCellAndBWP-Id. This parameter can be used to indicate the serving cell ID and the BWP ID. Here, the BWP can be a downlink BWP. Predefined BWPs can be: active BWP, initial BWP, default BWP, BWP with the smallest ID, or BWP with the largest ID.

[0224] In this document, the indicated TCI state associated with the first serving cell refers to the indicated TCI state applied / used on the first serving cell. In this document, the indicated TCI state associated with the first BWP refers to the indicated TCI state applied / used on the first BWP.

[0225] Optionally, the indicated TCI state refers to the most recent indicated TCI state prior to the first uplink channel. Optionally, the indicated TCI state refers to the most recent indicated TCI state prior to the reference resource associated with the first uplink channel. Optionally, the indicated TCI state refers to the most recent indicated TCI state prior to the second uplink channel. Optionally, the indicated TCI state refers to the most recent indicated TCI state prior to the CSI reference resource corresponding to the CSI report carried by the second uplink channel. Since the indicated TCI state can be time-varying, this method can clearly identify which indicated TCI state can be used for CSI initiation or event determination, preventing the UE from using incorrect indicated TCI states to trigger CSI or determine events, thus improving UE reliability.

[0226] In some cases, a UE can acquire multiple indicated TCI states. For example, the UE can acquire multiple indicated TCI states through DCI detection or MAC-CE reception. Here, the number of indicated TCI states can be one of 2, 3, or 4. For example, multiple indicated TCI states can be two TCI states. Optionally, the multiple TCI states apply to different TRPs. Optionally, each indicated TCI state can be applied to downlink channel / downlink signal reception and / or uplink channel / uplink signal transmission. Optionally, the multiple TCI states can be used / applied to one or more serving cells. Optionally, the multiple TCI states can be used / applied to one or more BWPs in a serving cell. Optionally, the multiple indicated TCI states apply to the same serving cell. Optionally, the multiple indicated TCI states apply to the same BWP. Optionally, the multiple indicated TCI states apply to the same BWP in the same serving cell.

[0227] The method for determining the serving cell associated with multiple indicated TCI states is described above. The method for determining the BWP among the serving cells associated with multiple indicated TCI states is also described above.

[0228] Optionally, the CSI reporting configuration associates a specific indicated TCI state among multiple TCI states. Optionally, the specific indicated TCI state among multiple TCI states can be used to determine the event associated with the CSI reporting configuration. Optionally, the specific indicated TCI state among multiple TCI states can be used to trigger a first uplink channel. Optionally, the specific indicated TCI state among multiple TCI states can be used to determine the CSI carried in a second uplink channel. Optionally, the specific indicated TCI state can be predefined or indicated by the base station. Optionally, the specific indicated TCI state can be predefined or indicated by the base station. For example, the specific indicated TCI state can be the first TCI state (or the last TCI state) among multiple TCI states. For example, the specific indicated TCI state is the first Y TCI states (or the last Y TCI states) among multiple TCI states. Here, Y ≥ 1. Optionally, Y is predefined or indicated by the base station. The value of Y can be one of 1, 2, 3, or 4. For example, a specific indicated TCI state can be indicated by a parameter in the CSI reporting configuration. This parameter is used to indicate that specific indicated TCI state. For example, in the case of two indicated TCI states among multiple indicated TCI states, this parameter corresponds to 1 bit. The first value of this parameter (e.g., 0) corresponds to the first indicated TCI state of the two indicated TCI states. The second value of this parameter (e.g., 1) corresponds to the second indicated TCI state of the two indicated TCI states.

[0229] This method can clearly identify which TRPs correspond to TCI states that can be used to initiate CSI or determine events, thus preventing the UE from using incorrect indicated TCI states to trigger CSI or determine events and improving UE reliability.

[0230] The reference signal resources associated with the activated TCI state are discussed below. The method for determining the activated TCI state is described above.

[0231] Optionally, the reference signal associated with the activated TCI state can be: the reference signal corresponding to the activated TCI state. Optionally, the reference signal associated with the activated TCI state can be at least one of the following: mode #3) a quasi-co-addressable SSB with the QCL reference signal of the activated TCI state; mode #4) the QCL reference signal of the activated TCI state. Optionally, a TCI state can be associated with / include / correspond to one or two QCL reference signals. Optionally, if a TCI state is associated with / includes / corresponds to two QCL reference signals, then the reference signal associated with the TCI state is the reference signal of QCL type D among the two QCL reference signals.

[0232] Optionally, the reference signal resource associated with the activated TCI state can be determined based on method #3 or method #4. Optionally, method #3 or method #4 can be indicated by the base station. For example, parameters included in the CSI reporting configuration indicate method #3 or method #4. Optionally, the reference signal resource associated with the activated TCI state can be determined based on the reference signal resource associated with the CSI reporting configuration. Optionally, the reference signal resource associated with the activated TCI state can be determined based on the type of the reference signal resource associated with the CSI reporting configuration. Optionally, if the resource in the resource set is an SSB resource, the reference signal associated with the activated TCI state is determined using method #3. If the resource in the resource set is a CSI-RS resource (e.g., a reference signal resource with repeating parameters), the reference signal associated with the activated TCI state is determined based on method #4.

[0233] Optionally, the reference signals associated with the activated TCI states are of the same type. For example, one or more TCI states activated by MAC-CE signaling are associated with reference signals of the same type. Optionally, the type of the reference signals associated with the activated TCI states is the same as the type of the reference resources included in the resource set.

[0234] Optionally, the reference signal associated with the activated TCI state and the reference resource included in the resource set may be an SSB. Optionally, when the reference signal associated with the activated TCI state and / or the reference signal in the resource set is an SSB, the PCI of the SSB associated with the activated TCI state is the same as the PCI of the SSB in the resource set. This allows the UE to compare measurement results for SSBs from the same physical cell, so that the UE can initiate CSI reporting for that physical cell.

[0235] In some cases, a UE can be configured with one or more serving cells, each with different activated TCI states. It is necessary to specify which activated TCI state is used for event detection. The following methods can prevent the UE from initiating CSI using the wrong activated TCI state, thus improving the reliability of the communication system. Optionally, the activated TCI state is the activated TCI state associated with the second serving cell, or the activated TCI state is the activated TCI state associated with the second BWP in the second serving cell. For example, the activated TCI state used to initiate CSI (or, for reporting CSI, or for event determination, or for event association) could be: the activated TCI state associated with the second serving cell, or the activated TCI state associated with the second BWP in the second serving cell. Optionally, the second serving cell is indicated by the base station, or the second serving cell is predefined. For example, the second serving cell is indicated by a parameter (e.g., carrier) in the CSI reporting configuration. For example, when the CSI reporting configuration includes this parameter (e.g., carrier), the second serving cell is indicated by this parameter. For example, when the CSI reporting configuration does not include this parameter (e.g., carrier), the second serving cell is the serving cell where the CSI reporting configuration resides. For example, the second serving cell is the serving cell where a resource in the resource set resides. The method for determining the serving cell where a resource in the resource set resides is described above. Optionally, the second BWP can be indicated by the base station, or the second BWP can be a predefined BWP. For example, the second BWP is indicated by a parameter in the CSI reporting configuration. For example, when the CSI reporting configuration includes this parameter, the second BWP is indicated by this parameter. For example, when the CSI reporting configuration does not include this parameter, the second BWP is a predefined BWP. Optionally, the second BWP can be a BWP associated with a resource set. Optionally, the second BWP and the BWP associated with a resource set can be indicated by the same parameter. Optionally, the parameter used to indicate the second BWP may be the same as or different from the parameter used to indicate the second serving cell. For example, the ID of the second serving cell and the ID of the second BWP can be indicated by the parameter ServingCellAndBWP-Id. This parameter can be used to indicate the serving cell ID and the BWP ID. Here, the BWP can be a downlink BWP. Predefined BWPs can be: the active BWP, or the initial BWP, or the default BWP, or the BWP with the smallest ID, or the BWP with the largest ID.

[0236] In this document, the activated TCI state associated with the second serving cell refers to the activated TCI state on the second serving cell, or the activated TCI state applied / used on the second serving cell. In this document, the activated TCI state associated with the second BWP refers to the activated TCI state on the second BWP, or the activated TCI state applied / used on the second BWP.

[0237] Optionally, the activated TCI state refers to the most recent activated TCI state prior to the first uplink channel. For example, at least one activated TCI state among A activated TCI states (or, each activated TCI state) is the most recent activated TCI state prior to the first uplink channel. Optionally, the activated TCI state refers to the most recent activated TCI state prior to the reference resource associated with the first uplink channel. For example, at least one activated TCI state among A activated TCI states (or, each activated TCI state) is the most recent activated TCI state prior to the reference resource associated with the first uplink channel. Optionally, the activated TCI state refers to the most recent activated TCI state prior to the second uplink channel. For example, at least one activated TCI state among A activated TCI states (or, each activated TCI state) is the most recent activated TCI state prior to the second uplink channel. Optionally, the activated TCI state refers to the most recent activated TCI state prior to the CSI reference resource corresponding to the CSI report carried by the second uplink channel. For example, at least one of the A activated TCI states (or, each activated TCI state) is the most recent activated TCI state preceding the CSI reference resource corresponding to the second uplink channel. Since the activated TCI states are time-varying, this method can clearly identify which activated TCI states can be used for CSI initiation or event determination, preventing the UE from using incorrect activated TCI states to trigger CSI or determine events, thus improving UE reliability.

[0238] Optionally, the UE can obtain information indicating a rank restriction. Optionally, resources associated with the CSI reporting configuration can be configured with a common rank restriction. Optionally, resources associated with the CSI reporting configuration can be configured with a single rank restriction. Optionally, this rank restriction applies to each resource associated with the CSI reporting configuration.

[0239] Optionally, the resources associated with the CSI reporting configuration can be configured with rank restrictions individually. Optionally, each resource in the CSI reporting configuration can be configured with an associated / corresponding rank restriction. This rank restriction can be referred to as a resource-specific rank restriction. Optionally, this rank restriction can be indicated by parameters in the CSI reporting configuration.

[0240] Optionally, the resource associated with the CSI reporting configuration is subject to the rank limit of the CSI reporting configuration association. Optionally, the rank limit corresponding to / associated with the resource associated with the CSI reporting configuration is applicable to the determination of the CSI of that resource (e.g., the determination of RI and / or PMI). Optionally, the CSI of a resource (or the CSI associated with a resource) is determined based on the rank limit corresponding to / associated with that resource. Optionally, the rank limit corresponding to / associated with the resource is applicable to the determination of the CSI of that resource (e.g., the determination of RI and / or PMI).

[0241] Optionally, the resources associated with the CSI reporting configuration may include: resources in a resource set (e.g., K resources), and / or resources associated with an activated TCI state, and / or resources associated with an indicated TCI state.

[0242] Optionally, the rank restriction can be an RI restriction. Optionally, a rank restriction refers to a restriction on RI. Optionally, a rank restriction refers to a restriction on the value of RI. Optionally, a rank restriction refers to a restriction on RI and / or PMI. Optionally, a rank restriction refers to a restriction on RI and / or the PMI corresponding to RI. Optionally, a rank restriction can be used to indicate which number of layers is not allowed, or which number of layers is allowed. Optionally, a rank restriction can be used to indicate which RI values ​​are not allowed, or which RI values ​​are allowed. In this document, the allowed rank can be understood as: the allowed number of layers, or the allowed value of RI. Here, an allowed RI value can mean: an RI value is allowed to be reported. An unallowed RI value can mean: an RI value is not allowed to be reported. In this document, the term "allowed rank" can be used interchangeably with the terms "allowed number of layers" or "allowed value of RI". Optionally, the rank restriction can be determined by a parameter used to indicate the rank restriction (e.g., typeI-SinglePanel-ri-Restriction, or typeII-RI-Restriction, or ri-Restriction). Optionally, a parameter used to indicate the rank restriction includes / forms / indicates a bitmap. The number of bits can be a bit sequence. Optionally, the bitmap used for rank restriction indication can be rR,…,r1,r0. Optionally, each bit indicates / corresponds to a rank. Optionally, each bit indicates / corresponds to a value of RI. Optionally, r0 can be the least significant bit (LSB), and rR can be the most significant bit (MSB). Here, the value of R can be one of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. One of rR,…,r1,r0 is ri, where i∈{0,1,…,R}. Optionally, when ri is 0, PMI and / or RI reporting corresponding to any precoder associated with v = i+1 layers is not allowed. Optionally, when ri is 1, PMI and / or RI reporting corresponding to any precoder associated with v = i+1 layers is allowed. Here, v represents the rank value, or the number of layers. Optionally, when ri is 0, the rank corresponding to ri is not allowed. When ri is 1, the rank corresponding to ri is allowed.

[0243] In this document, the term “RI” may be used interchangeably with the term “the rank corresponding to RI” or “the value of the rank corresponding to RI” or “rank” or “the value of the rank”.

[0244] The UE can initiate the transmission of a first uplink channel and / or a second uplink channel. For example, the UE can transmit the first uplink channel and / or the second uplink channel to report CSI.

[0245] Optionally, the first uplink channel can be a PUCCH / PUSCH. Optionally, the resource corresponding to the first uplink channel can be a periodic PUCCH resource. Optionally, the format of the PUCCH can be PUCCH format 0 or PUCCH format 1. The first uplink channel can be a configured licensed PUSCH.

[0246] Optionally, the first uplink channel may be associated with at least one of the following: 1) RI information; 2) load size information; 3) CSI part 1.

[0247] Optionally, the first uplink channel may indicate at least one of the following: 1) RI information; 2) load size information; 3) CSI part 1. Optionally, the first uplink channel may carry / include at least one of the following: 1) RI information; 2) load size information; 3) CSI part 1. Optionally, the first uplink channel corresponds to an indication of U bits. U ≥ 1. Optionally, the first uplink channel carries U information bits. Optionally, the first uplink channel may indicate / associate RI information and / or load size information. Optionally, the U information bits carried by the first uplink channel may indicate / associate RI information and / or load size information.

[0248] Optionally, a codepoint of U information bits is associated with RI information. Optionally, each codepoint of U information bits is associated with one RI information. For example, the RI value corresponding to the x-th codepoint of U information bits is x. For example, the x-th codepoint of U information bits corresponds to the x-th allowed RI among one or more allowed RIs indicated by the RI restriction. In this document, a codepoint of an information bit can refer to the codepoint corresponding to the information bit, and one / each codepoint of multiple information bits can refer to one / each of the multiple codepoints corresponding to multiple information bits.

[0249] Optionally, the UE may receive M first configuration information entries. Optionally, the first configuration information is used to configure / indicate information associated with the first uplink channel. M ≥ 1. Optionally, the M first configuration information entries may be indicated by the base station. For example, the M first configuration information entries may be CSI reporting configuration indications. Optionally, one code point of U information bits is associated with one first configuration information entry. Optionally, each code point of U information bits is associated with one first configuration information entry. Optionally, 2 U Greater than or equal to M. Optionally, the size of the field (e.g., the CSI field) corresponding to the U information bits can be... Alternatively, log2M. Optionally, U can be predefined or indicated by the base station. U can be an integer greater than or equal to 1. For example, the x-th code point of U information bits corresponds to the x-th first configuration information in M ​​first configuration information. Optionally, the first configuration information may include / associate with / indicate at least one of the following: RI information, load size information.

[0250] The above method clarifies the mapping relationship between the information bits carried by the first uplink channel and the indicated information, avoids incorrect indication of information bits carried by the UE, and improves the reliability of the communication system.

[0251] Optionally, the resources of the first uplink channel may be associated with at least one of the following: 1) RI information; 2) load size information.

[0252] Optionally, the resources used to transmit the first uplink channel can be configured by the base station. Optionally, the CSI reporting configuration is used to indicate the resources for transmitting the first uplink channel. Optionally, the CSI reporting configuration can be associated with one or more resources of the first uplink channel. Optionally, the CSI reporting configuration can be associated with W resources of the first uplink channel. W ≥ 1. Optionally, the CSI reporting configuration can be associated with / include information on W resources used to configure the first uplink channel. Optionally, the CSI reporting configuration can include W parameters (e.g., firstPUCCHResourceConfig-UEIBR-r19) for indicating the resources for transmitting the first uplink channel. Optionally, the CSI reporting configuration can include W parameters (e.g., firstPUCCHResourceConfig-UEIBR-r19) for indicating the resources for transmitting the first uplink channel. Optionally, each of the W resources of the first uplink channel is associated with RI information and / or load size information. Optionally, information for configuring the resources of the first uplink channel may include / associate / indicate at least one of the following: resource ID, resource association period, resource association offset, BWP ID, RI information, and load size information. For example, the transmission parameters corresponding to the resources of the first uplink channel can be determined by the configured resource ID. For example, the time domain location corresponding to the transmission of the first uplink channel can be determined based on the resource association period and / or the resource association offset. For example, the transmission opportunity of the first uplink channel can be determined based on the resource association period and / or the resource association offset. Optionally, the BWP containing the resources of the first uplink channel may be predefined, or indicated by the base station. Optionally, the BWP containing the resources of the first uplink channel may be indicated by parameters in the CSI reporting configuration. Optionally, the BWP containing the resources of the first uplink channel may be a predefined BWP. Optionally, the BWP is an uplink BWP. Optionally, the predefined BWP can be: the active BWP, or the initial BWP, or the default BWP, or the BWP with the smallest ID, or the BWP with the largest ID.

[0253] The above method clarifies the mapping relationship between the resources of the first uplink channel and the associated information, which can reduce the number of information bits carried by the first uplink channel, reduce indication overhead, and improve the reliability of the communication system.

[0254] Optionally, the RI information may be resource-associated RI information used to transmit the first uplink channel. Optionally, the RI information may be a limitation indicating the CSI-associated RI in the second uplink channel. Optionally, the RI information may indicate that the CSI-associated RI in the second uplink channel is equal to the RI corresponding to the RI information. Optionally, the RI information may indicate that the CSI-associated RI in the second uplink channel is less than or equal to the RI corresponding to the RI information. Optionally, the RI information may indicate that the CSI-associated RI in the second uplink channel is greater than or equal to the RI corresponding to the RI information.

[0255] Optionally, the RI information can indicate / correspond to N. RI RI, N RI ≥1. Optionally, N RI A single RI can be one or more allowed RIs associated with / indicated by the RI restriction. Optionally, N RI A single RI originates from one or more allowed RIs associated with / indicated by an RI restriction. Optionally, the RI restriction may be an RI restriction associated with a CSI reporting configuration. Optionally, the RI information may indicate the value of the RI, or the RI information may indicate the rank value corresponding to the RI.

[0256] Optionally, the load size information may be load size information associated with resources used to transmit the first uplink channel. Optionally, the load size information may be the load size for CSI. In this document, the load size may be the number of information bits. Optionally, the load size may be the load size for UCI or the load size for CSI. Optionally, the load size information may be the load size for CSI part 2. Optionally, the load size information may indicate that the load size associated with CSI in the second uplink channel is equal to the load size corresponding to the load size information. Optionally, the load size information may indicate that the load size associated with CSI in the second uplink channel is less than or equal to the load size corresponding to the load size information. Optionally, the load size information may indicate that the load size associated with CSI in the second uplink channel is greater than or equal to the load size corresponding to the load size information.

[0257] Optionally, the load size information can indicate / correspond to N payload A load size, N payload ≥1. Optionally, the load size can be explicitly indicated or implicitly indicated. For example, the load size can be indicated by the base station. For example, the value of the load size is indicated by the base station. For example, the load size can be determined based on the value of RI. For example, the load size of CSI (e.g., the load size of CSI Part 1 and / or the load size of CSI Part 2) is a function of the value of RI. For example, the load size information includes the value of RI. Load size refers to the load size corresponding to the value of RI.

[0258] Optionally, the first uplink channel may be triggered by comparing the L1-RSRP of the reference signal resource associated with the indicated TCI state with a first threshold. Optionally, the first uplink channel may be triggered by comparing the difference between the L1-RSRP of the reference signal resource associated with the indicated TCI state and the L1-RSRP of resources in the resource set with a configured second threshold. Optionally, the first uplink channel may be triggered by comparing the difference between the L1-RSRP of the reference signal resource associated with the activated TCI state and the L1-RSRP of resources in the resource set with a configured third threshold. The reference signal associated with the activated TCI state may be: the reference signal with the Q-highest L1-RSRP among the reference signals associated with the activated TCI state, where Q≥1. Here, the activated TCI state may be one or more activated TCI states, wherein each activated TCI state is associated with a reference signal. Optionally, the second threshold and the third threshold may be indicated by the same parameter. Optionally, the L1-RSRP may be a measured L1-RSRP. Optionally, the first uplink channel may be triggered based on interference measurements of the UE. Optionally, the first uplink channel may be determined based on a comparison between the CSI load size associated with the CSI reporting configuration and a fifth threshold. Optionally, the CSI load size associated with the CSI reporting configuration refers to the CSI load size reported by the CSI associated with the CSI reporting configuration. Optionally, the CSI load size associated with the CSI reporting configuration refers to the load size of the CSI generated / determined based on the CSI reporting configuration.

[0259] Optionally, the first uplink channel may be event-triggered. In this document, the term "event" may be used interchangeably with the terms "condition" or "condition of an event." An event may include at least one of the following: Type 1 event, Type 2 event, Type 3 event, Type 4 event, and Type 5 event. The event or event type may be predefined or indicated by the base station. For example, the event or event type may be indicated by a CSI reporting configuration. For example, the event or event type may be indicated by parameters included in the CSI reporting configuration (e.g., eventType-r19). For example, the base station may indicate at least one of Type 1, Type 2, Type 3, Type 4, and Type 5 events. Optionally, the UE may transmit the first uplink channel based on the indicated event. In this document, the quantity associated with the reference signal is exemplified by L1-RSRP. The quantity associated with the reference signal may also be of other types, such as L1-SINR, CQI, Reference Signal Received Quality (RSRQ), etc. In this document, the quantity may be referred to as an L1 quantity. In this paper, the UE can acquire quantities related to the reference signal through measurement. The quantities acquired by the UE through measurement can be referred to as measured quantities. In this paper, the UE can also report the measured quantities related to the reference signal to the base station. The quantities reported by the UE to the base station can be referred to as reported quantities.

[0260] A Type 1 event is defined as follows: the L1-RSRP of the reference signal resource associated with the indicated TCI state is less than or equal to a first threshold. Optionally, the L1-RSRP can be a measured L1-RSRP. For example, the L1-RSRP is determined by measuring the corresponding reference signal resource. Optionally, the first threshold can be an L1-RSRP threshold. Optionally, the first threshold corresponds to the L1-RSRP. Optionally, the first threshold can be predefined or indicated by the base station. For example, the first threshold can be indicated by a parameter in the CSI reporting configuration (e.g., eventThresholdEvent1-r19). For example, when this parameter is not configured in the CSI reporting configuration, the first threshold is determined based on the L1-RSRP threshold for beam failure recovery (or, the L1-RSRP threshold for random access), or the first threshold is equal to the L1-RSRP threshold for beam failure recovery (or, the L1-RSRP threshold for random access). Optionally, the L1-RSRP threshold for beam failure recovery can be a threshold used to determine whether a candidate beam is included in the MAC-CE reported by the UE. For example, when this parameter is not configured in the CSI reporting configuration, the first threshold is equal to the L1-RSRP threshold for beam failure recovery (e.g., rsrp-ThresholdSSB), or the L1-RSRP threshold for beam failure recovery (e.g., rsrp-ThresholdBFR). Optionally, the first threshold can be indicated by the parameter RSRP-Range. This parameter is used to indicate the value of L1-RSRP. The parameter RSRP-Range can be in the CSI reporting configuration. The L1-RSRP value corresponding to the first threshold can be (RSRP-Range-156) dBm or (RSRP-Range-140) dBm. Optionally, the RSRP-Range value ranges from 16 to 113. For example, when the L1-RSRP value corresponding to the first threshold is (RSRP-Range-156) dBm, the RSRP-Range value ranges from 16 to 113. Optionally, the RSRP-Range value ranges from 0 to 97. For example, when the L1-RSRP value corresponding to the first threshold is (RSRP-Range-140) dBm, the RSRP-Range value ranges from 0 to 97.

[0261] A Type 2 event can be defined as: the comparison between the L1-RSRP of at least one resource in the resource set and the L1-RSRP of the reference signal associated with the indicated TCI state is greater than or equal to a second threshold. For example, a Type 2 event can be defined as: the difference between the L1-RSRP of at least one resource in the resource set and the L1-RSRP of the reference signal associated with the indicated TCI state is greater than or equal to the second threshold. Optionally, the L1-RSRP can be a measured L1-RSRP. For example, this L1-RSRP is determined by measuring the corresponding reference signal resource. Optionally, the second threshold can be an L1-RSRP threshold. Optionally, the second threshold corresponds to the L1-RSRP. Optionally, the second threshold can be predefined or indicated by the base station. For example, the second threshold can be indicated by a parameter in the CSI reporting configuration (e.g., eventThreshold-r19). Optionally, the unit of the second threshold is dB. Let the value of eventThreshold-r19 be y, then eventThreshold-r19 corresponds to y dB or S*y dB. y ≥ 0, or y > 0. S is a scaling factor. The value of S can be predefined. S > 0. For example, S can be one of 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, or 16.

[0262] A Type 3 event can be defined as follows: the comparison between the L1-RSRP of at least one resource in the resource set and the L1-RSRP of the Q-highest L1-RSRP reference signal associated with the activated TCI state is greater than or equal to a third threshold. For example, a Type 3 event can be defined as follows: the difference between the L1-RSRP of at least one resource in the resource set and the L1-RSRP of a specific activated TCI state associated with the third threshold is greater than or equal to the third threshold. The specific activated TCI state associated with the third threshold can be the Q-highest L1-RSRP reference signal among the activated TCI state associated reference signals. Here, Q ≥ 1. Optionally, the L1-RSRP can be the measured L1-RSRP. For example, this L1-RSRP is determined by measuring the corresponding reference signal resource. Optionally, the third threshold can be an L1-RSRP threshold. Optionally, the third threshold corresponds to the L1-RSRP. Optionally, the third threshold can be predefined or indicated by the base station. For example, the third threshold can be indicated by a parameter in the CSI reporting configuration (e.g., eventThreshold-r19). Optionally, the third threshold can be equal to the second threshold. Optionally, the third threshold can be indicated by the same parameter as the second threshold. Optionally, the unit of the third threshold is dB. Let the value of eventThreshold-r19 be y, then eventThreshold-r19 corresponds to y dB or S*y dB. y≥0, or y>0. S is a scaling factor. The value of S can be predefined. S>0. For example, S can be one of 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 8, 16. Optionally, the value of Q can be predefined or indicated by the base station. For example, Q can be indicated by the CSI reporting configuration. For example, Q can be indicated by a parameter (valueOfQ-r19) in the CSI reporting configuration. For example, when this parameter is not configured, the value of Q is 1. For example, when this parameter is not configured, the value of Q is equal to the number of activated TCI states. Optionally, Q can be a positive integer greater than or equal to 1. Optionally, Q ≤ 8. Optionally, Q is less than or equal to 8.

[0263] Type 4 events can be events related to interference measurements. For example, a Type 4 event can be defined as: a dedicated quantity for measuring at least one resource in the resource set is greater than or equal to a fourth threshold. For example, a Type 4 event can be defined as: a dedicated quantity for measuring a resource associated with an indicated TCI state is greater than or equal to the fourth threshold. For example, a Type 4 event can be defined as: a dedicated quantity for measuring a resource associated with an activated TCI state is greater than or equal to the fourth threshold. Optionally, the dedicated quantity is a quantity related to interference measurements. Optionally, the resources in the resource set are used for interference measurements. Optionally, the fourth threshold can be a threshold for the dedicated quantity. Optionally, the dedicated quantity can be RSRP or SINR or L1-RSRP or L1-SINR. Optionally, the fourth threshold can be predefined or indicated by the base station. For example, the fourth threshold can be indicated by parameters in the CSI reporting configuration. Optionally, the transmission of the first uplink channel can be triggered based on interference measurements.

[0264] Type 5 events can be events related to CSI load size. For example, a Type 5 event can be defined as: CSI load size greater than or equal to the fifth threshold, or less than or equal to the fifth threshold. Optionally, the CSI load size can be the CSI load size associated with the CSI reporting configuration. Optionally, the CSI load size can be the load size of CSIs included in the CSI reporting associated with the CSI reporting configuration. Optionally, the CSI load size can be the load size of CSIs determined / generated by the UE and associated with the CSI reporting configuration. Optionally, the fifth threshold can be predefined or indicated by the base station. For example, the fifth threshold can be indicated by a parameter in the CSI reporting configuration. Optionally, the transmission of the first uplink channel can be triggered based on interference measurement. Optionally, the fifth threshold can correspond to one of the first load size, the second load size, and the third load size. The descriptions of the first load size, the second load size, and the third load size are given below.

[0265] The following further describes a method for the UE to determine whether to transmit the first uplink channel based on event detection. Optionally, the UE may determine whether to transmit the first uplink channel based on at least one of the following events.

[0266] Method #1: When an event (e.g., an indicated event) is determined, the UE may transmit a first uplink channel. The UE determines the transmission of the first uplink channel based on a measurement of the probability of the event-associated reference signal. Optionally, the probability of the reference signal refers to the probability of a reference signal no later than the reference resource associated with the first uplink channel. Optionally, the probability of the reference signal refers to the probability of the most recent reference signal no later than the reference resource associated with the first uplink channel. Optionally, the reference resource is no later than the first uplink channel. Optionally, the time-domain resource of the reference resource is determined based on the resource for transmitting the first uplink channel. For Type 1 events, the event-associated reference signal refers to the reference signal associated with the indicated TCI state. For Type 2 events, the event-associated reference signal refers to the reference signal associated with the indicated TCI state and / or the reference signal corresponding to the resources in the resource set (e.g., all resources). For Type 3 events, the event-associated reference signal refers to the reference signal associated with the activated TCI state (e.g., all activated TCI states) and / or the reference signal corresponding to the resources in the resource set (e.g., all resources). When multiple types of events are indicated, the reference signals associated with the multiple event types refer to the union of the reference signals associated with each of the multiple event types. Optionally, the event-associated reference signals have the same period. Optionally, the period of the reference signal resources associated with the CSI reporting configuration is the same as the period of the Z reference signal resources associated with the CSI reporting configuration. Optionally, the event-associated reference signals are configured with the same period. The above method can reserve processing time for the triggering of the first uplink channel by using reference resources, avoiding the situation where the UE cannot process the corresponding measurement results in time, thus improving the reliability of the communication system.

[0267] For example, the UE transmits a first uplink channel. The opportunity for a reference signal associated with an event that triggers the first uplink channel is no later than the reference resource associated with the first uplink channel. The opportunity for a reference signal associated with an event that triggers the first uplink channel is no later than the most recent measurement opportunity of the reference resource associated with the first uplink channel. The reference resource is no later than the first time-domain resource in which the first uplink channel resides. The reference resource can be determined based on the first time-domain resource. For example, the reference resource can be the first time-domain resource. For example, the offset between the time-domain cell in which the reference resource resides and the time-domain cell corresponding to the first time-domain resource can be predefined, based on UE capabilities, or indicated by the base station. For example, if the time-domain cell corresponding to the first time-domain resource is time-domain cell n, then the time-domain cell in which the reference resource resides is n-noffset. Optionally, the value of noffset is an integer. Optionally, noffset ≥ 0. Optionally, the value of noffset can be predefined. Optionally, the value of noffset can be determined based on UE capabilities. Optionally, the value of noffset can be indicated by the base station.

[0268] Method #2: Within a time window, when the number of event instances is greater than or equal to C, the UE may transmit a first uplink channel. Optionally, the length of this time window is indicated by the base station. For example, the length of this time window is indicated by a parameter in the CSI reporting configuration (e.g., eventDetectionTimeWindowLength-r19). Optionally, the end of this time window (or, the end time domain unit) is determined based on the second time domain resource where the first uplink channel resides. For example, the offset between the end of this time window (or, the end time domain unit) and the start of the first uplink channel (or, the start time domain unit) is indicated by the base station, predefined, or based on UE capabilities. For example, if the start time domain unit of the second time domain resource is time domain unit n, then the end time domain unit of this time window is n-n2offset. Optionally, the value of n2offset is an integer. Optionally, n2offset ≥ 0. Optionally, the value of n2offset can be predefined. Optionally, the value of n2offset can be determined based on UE capabilities. Optionally, the value of n2offset can be indicated by the base station. Optionally, C can represent the number of event instances within a time window that the UE can initiate a CSI report. Optionally, C can be indicated by the base station. Optionally, C ≥ 1. Optionally, C can be indicated by a parameter included in the CSI reporting configuration (e.g., eventInstanceCount-r19).

[0269] Optionally, within a time window, counting the determined event instance may be for the same reference signal (or the same indicated TCI state, or the same activated TCI state). For example, for a type 3 event, within a time window, counting the determined event instance may be for the same activated TCI state (or the reference signal corresponding to the same activated TCI state). For example, for type 2 and / or type 3 events, within a time window, counting the determined event instance may be for the same resource in the resource set (or the reference signal corresponding to the same resource), and / or for the same indicated TCI state (or the reference signal associated with the same indicated TCI state). For example, for a type 1 event, within a time window, counting the determined event instance may be for the same indicated TCI state (or the reference signal associated with the same indicated TCI state). Counting events for the same reference signal makes it easier for the UE to evaluate the direction corresponding to the reference signal, so that it can initiate CSI reporting in that direction in response to changes in channel state.

[0270] The UE can determine / evaluate events (or event instances). The UE can count time instances. The period for which an event instance is determined / counted / evaluated can be based on / equal to the period of a reference signal associated with the event. See above for the method of determining the reference signal associated with the event. The period for which an event instance is determined / counted / evaluated can be based on / equal to the largest (or smallest) period of the reference signal associated with the event.

[0271] Optionally, a time window may include one or more evaluation periods. Optionally, the one or more evaluation periods within a time window may be determined based on the period during which event instances are determined / counted / evaluated. When an event is determined within an evaluation period (e.g., when a corresponding condition is met within an evaluation period), the event is counted once within that evaluation period. For example, the corresponding counter is incremented once.

[0272] In this paper, an event is identified as follows: the conditions for the event are met, or the definition of the event is satisfied. Optionally, the identification of an event can be based on the evaluation of the event (or the conditions associated with the event instance). In this paper, an event instance is identified as follows: the conditions corresponding to the event instance are met, or the definition corresponding to the event instance is satisfied. Optionally, the identification of an event instance can be based on the evaluation of the event instance (or the conditions associated with the event instance).

[0273] In some cases, the transmission of the first uplink channel can be determined based on an indication of an activated TCI state (e.g., an indication of MAC-CE signaling). The method for indicating an activated TCI state is described above. When a Type 3 event is indicated, the UE can transmit the first uplink channel based on measurements of a reference signal associated with the (most recent) activated TCI state.

[0274] Optionally, the time-domain interval between the time-domain unit associated with the indication of the (most recently) activated TCI state and the time-domain unit associated with the first uplink channel is greater than or equal to a fourth threshold. Optionally, the UE transmits the first uplink channel when the time-domain interval between the time-domain unit associated with the indication of the (most recently) activated TCI state and the time-domain unit associated with the first uplink channel is greater than or equal to the fourth threshold. Optionally, the indication of the most recently activated TCI state refers to the indication of the most recently activated TCI state prior to the transmission of the first uplink channel. Optionally, the time-domain unit associated with the indication of the activated TCI state refers to the time-domain unit where the activated TCI state is applied, or the time-domain unit where the activated TCI state is effective. The application of the activated TCI state can be the application of the indication of the activated TCI state. The effectiveness of the activated TCI state can be the effectiveness of the indication of the activated TCI state. The time-domain unit where the activated TCI state is applied (or the activated TCI state takes effect) can be: the starting time-domain unit / first time-domain unit where the activated TCI state is applied (or the activated TCI state takes effect). Optionally, the time-domain resource associated with the first uplink channel can be: the time-domain unit associated with the first uplink channel. Optionally, the time-domain resource associated with the first uplink channel refers to: the time-domain resource / time-domain unit where the first uplink channel is transmitted. Optionally, the time-domain resource associated with the first uplink channel refers to: the time-domain resource where the first uplink channel is located, or the starting time-domain resource / ending time-domain resource of the first uplink channel. In this document, the time-domain interval between time-domain units can be: the offset between time-domain units. Optionally, the fourth threshold can be indicated by the base station, or the fourth threshold can be predefined, or the fourth threshold can be based on UE capabilities. Optionally, the unit of the fourth threshold can be a symbol / time slot. Optionally, the fourth threshold can be an integer greater than or equal to 1.

[0275] Optionally, when an indication of an activated TCI state is received (or applied) within the time window, the corresponding first uplink channel is not transmitted. Optionally, if no indication of an activated TCI state is received within the time window, or no indication of an activated TCI state is applied within the time window, the first uplink channel may be transmitted.

[0276] Optionally, the count of event instances can be determined based on an indication of an activated TCI state. For example, a counter used to count event instances can be reset by an indication of an activated TCI state. For example, the counter is reset when the UE receives an indication of an activated TCI state. For example, the counter is reset when the indication of an activated TCI state takes effect. When the value of the counter is greater than or equal to C, the UE can trigger the first uplink channel.

[0277] The above method allows the UE sufficient time to measure the reference signal associated with the activated TCI state when the activated TCI state changes due to the corresponding indication.

[0278] Optionally, the second uplink channel can be a PUSCH. Optionally, the second uplink channel can be used to carry CSI reporting. Optionally, the second uplink channel can be used to carry beam reporting.

[0279] Optionally, the resources used to transmit the second uplink channel can be dynamically scheduled. Optionally, the resources corresponding to the second uplink channel can be indicated by a DCI. For example, the DCI can be DCI format 0_1 / 0_2.

[0280] Optionally, the resources used to transmit the second uplink channel can be configured by the base station. Optionally, the CSI reporting configuration is used to indicate the resources for transmitting the second uplink channel. Optionally, parameters included in the CSI reporting configuration (e.g., configuredResourceForSecondChannelOfModeB-r19) can be used to indicate the resources for transmitting the second uplink channel. Optionally, the second uplink channel can be a configuration grant-based PUSCH. Optionally, the second uplink channel is associated with a configuration grant configuration. Optionally, the configuration grant configuration is a type 1 configuration grant. Optionally, the UE can transmit the second uplink channel based on the configuration grant configuration. Optionally, the UE can transmit the second uplink channel based on the resources indicated by the configuration grant configuration. Optionally, parameters included in the CSI reporting configuration can indicate the ID of the configured grant configuration. This parameter can also indicate the serving cell and / or BWP where the configuration grant configuration resides. Optionally, the BWP is an uplink BWP.

[0281] Optionally, the UE expects the BWP associated with / configured by the configuration license configuration to be an active BWP. This method avoids the second uplink channel from being unable to be transmitted due to BWP deactivation being paused, thus improving the reliability of the communication system.

[0282] Optionally, the UE can determine whether to transmit the first uplink channel based on the BWP configured by the configuration permission configuration. Optionally, the UE can determine whether to transmit the first uplink channel based on whether the BWP configured by the configuration permission configuration is an active BWP. Optionally, if the BWP containing the configuration permission configuration is not an active BWP, the UE will not transmit the first uplink channel and / or the second uplink channel. Optionally, if the BWP containing the configuration permission configuration is an active BWP, the UE can transmit the first uplink channel and / or the second uplink channel. Optionally, the first uplink channel and / or the second uplink channel and / or the configuration permission configuration correspond to the same CSI reporting configuration. Optionally, when the BWP containing the configuration permission configuration is not an active BWP, the CSI reporting configuration associated with / corresponding to the configuration permission configuration can be suspended. Optionally, when the BWP containing the configuration permission configuration is not an active BWP, the event evaluation (or event-related measurement, or event counting, or event determination) associated with / corresponding to the CSI reporting configuration can be suspended. Optionally, when the BWP containing the configuration permission configuration is not an active BWP, the configuration permission configuration can be suspended. Optionally, this method applies to Type 2 events and / or Type 3 events. Optionally, this method applies to Mode B. See below for a description of Mode B. This method can prevent the associated first / second uplink channel from being triggered / transmitted when the configuration permission configuration is suspended and the second uplink channel cannot be transmitted, thus saving UE power consumption.

[0283] In this document, the term "pause" may be used interchangeably with the terms "deactivate" or "stop". The term "activate" may be used interchangeably with the terms "resume" or "start".

[0284] Optionally, the configuration permission setting can indicate the period used for uplink transmission. For example, the configuration permission setting can indicate the period for transmission opportunities to transmit a second uplink channel. Optionally, this period can be the same as the period associated with the first uplink channel (e.g., the period of the PUCCH resource).

[0285] Optionally, the transmission of the first uplink channel and / or the second uplink channel can be based on mode A or mode B. A CSI reporting configuration can be associated with mode A or mode B. Optionally, the mode that a CSI reporting configuration can be associated with can be determined based on whether the CSI reporting configuration includes parameters for configuring resources for the second uplink channel (e.g., configuredResourceForSecondChannelOfModeB-r19). For example, if the CSI reporting configuration does not include parameters for configuring resources for the second uplink channel, then the CSI reporting configuration corresponds to mode A. For example, if the CSI reporting configuration includes parameters for configuring resources for the second uplink channel, then the CSI reporting configuration corresponds to mode B. Optionally, the mode that a CSI reporting configuration can be associated with can be indicated by a parameter in the CSI reporting configuration (e.g., reportTransmissionMode-r19). This parameter can indicate (e.g., explicitly indicate) one of mode A and mode B.

[0286] Mode A includes at least one of the following steps: Step 1: The UE transmits a first uplink channel; Step 2: The UE detects a DCI, wherein the DCI indicates resources for a second uplink channel; Step 3: The UE transmits a second uplink channel.

[0287] In mode A, the first uplink channel can be used to request resources for the second uplink channel. For example, the UE can send the first uplink channel to the base station to request resources for the second uplink channel used to send CSI reports.

[0288] For Mode A, the UE receives / listens to PDCCH candidates (for detecting DCI). Optionally, the UE can receive / detect a DCI indicating resources of a second uplink channel. Optionally, the second uplink channel is used to carry CSI reporting. Optionally, the DCI is associated with a first uplink channel. Optionally, the DCI can trigger / indicate a CSI triggering state. Optionally, the CSI triggering state can be an aperiodic CSI triggering state. Optionally, the CSI triggering state can indicate one or more CSI reporting configurations. Optionally, the one or more CSI reporting configurations include the CSI reporting configuration associated with the first uplink channel. Optionally, the DCI is a feedback to the first uplink channel. Optionally, the DCI can be DCI format 0_1 ​​or 0_2.

[0289] Mode B includes at least one of the following steps: Step 1: The UE transmits a first uplink channel; Step 2: The UE transmits a second uplink channel.

[0290] For Mode B, the first uplink channel can indicate / notify the second uplink channel (e.g., the second uplink channel carrying CSI reporting). For example, the UE can send the first uplink channel to the base station to notify the base station that the UE will send the second uplink channel carrying CSI reporting.

[0291] For Mode B, the second uplink channel can carry CSI reporting associated with the CSI reporting configuration. Optionally, the second uplink channel can be determined based on the first uplink channel. Optionally, the resources of the second uplink channel are determined based on the first uplink channel. Optionally, the transmission opportunity of the second uplink channel is determined based on the first uplink channel. Optionally, the UE transmits the second uplink channel on the first transmission opportunity after transmitting X symbols of the last symbol of the first uplink channel. Optionally, the value of X can be indicated by the base station, or the value of X can be predefined, or the value of X can be based on the UE's capabilities. The value of X can be an integer greater than or equal to 0. Optionally, the subcarrier spacing of the X symbols (the subcarrier spacing corresponding to X) is determined based on the subcarrier spacing of the first uplink channel and / or the subcarrier spacing of the second uplink channel. For example, the subcarrier spacing of the X symbols is equal to the subcarrier spacing of the first uplink channel. For example, the subcarrier spacing of the X symbols is equal to the subcarrier spacing of the second uplink channel. For example, the subcarrier spacing of X symbols is equal to the larger / smaller value of the subcarrier spacing of the first uplink channel and the subcarrier spacing of the second uplink channel. This method can prevent the UE from using incorrect subcarrier spacing to determine the transmission opportunity of the second uplink channel, thus improving the reliability of the communication system.

[0292] Optionally, the first transmission opportunity can be the first valid transmission opportunity. A transmission opportunity can be considered valid if at least one of the following conditions is met: 1) the transmission opportunity is not in a measurement gap; 2) the transmission opportunity does not include downlink symbols, or the transmission opportunity includes uplink symbols and / or flexible symbols, or the transmission opportunity only includes uplink symbols and / or flexible symbols. Optionally, the uplink symbols and / or flexible symbols and / or downlink symbols are configured by higher-layer signaling (e.g., configuration information for configuring TDD); 3) the transmission opportunity does not include symbols for receiving SSBs. A transmission opportunity can be considered invalid if at least one of the following conditions is met: 1) the transmission opportunity is in a measurement gap; 2) the transmission opportunity includes downlink symbols, or the transmission opportunity does not include uplink symbols and / or flexible symbols. Optionally, the downlink symbols are configured by higher-layer signaling (e.g., configuration information for configuring TDD); 3) the transmission opportunity includes symbols for receiving SSBs.

[0293] Optionally, the subcarrier spacing of the first uplink channel refers to the subcarrier spacing used for transmitting the first uplink channel. Optionally, the subcarrier spacing of the first uplink channel is the subcarrier spacing of the uplink BWP to which it resides. Optionally, the subcarrier spacing of the second uplink channel refers to the subcarrier spacing used for transmitting the second uplink channel. Optionally, the subcarrier spacing of the second uplink channel is the subcarrier spacing of the uplink BWP to which it resides. In this document, the term "subcarrier spacing" can be used interchangeably with "subcarrier spacing configuration".

[0294] Optionally, the first uplink channel may correspond to one or more repetitions. For example, the first uplink channel may correspond to one or more PUCCH repetitions. The last symbol of the first uplink channel may be the last symbol of the last repetition (or the last symbol of the first repetition) in one or more repetitions.

[0295] The following discussion covers the content of CSI reports (e.g., the content of CSI reports carried by the second uplink channel, or the content of CSI reports initiated by the UE).

[0296] The UE generates and / or determines and / or reports CSI. Optionally, the following method applies when the following conditions are met: the first uplink channel and the second uplink channel satisfy a certain time-domain relationship. The first uplink channel and the second uplink channel satisfying a certain time-domain relationship means that the time-domain interval between the first uplink channel and the second uplink channel is less than or equal to a first time-domain threshold, and / or, the time-domain interval between the first uplink channel and the second uplink channel is greater than or equal to a second time-domain threshold. Optionally, the following method applies when the following conditions are met: 1) the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is less than or equal to the first time-domain threshold; 2) the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is greater than or equal to the second time-domain threshold. See above for a description of the time-domain unit associated with the first uplink channel. Optionally, the time-domain unit associated with the second uplink channel refers to: the time-domain unit where the second uplink channel is located, or the start / end time-domain unit of the second uplink channel, or the time-domain unit before the start / end time-domain unit of the second uplink channel, or the time-domain unit after the start / end time-domain unit of the second uplink channel. Optionally, the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is less than or equal to a first time-domain threshold. This method can limit the time-domain distance between the second uplink channel and the first uplink channel, avoiding the second uplink channel being too far from the first uplink channel, causing the UE to continuously cache indication information related to the first uplink channel, occupying excessive storage resources, and reducing the UE's storage resource overhead. Optionally, the offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is greater than or equal to a second time-domain threshold. This method can limit the time-domain distance between the second uplink channel and the first uplink channel, preventing the second uplink channel from being too close to the first uplink channel, which would prevent the base station from demodulating the indication information related to the first uplink channel in time, thus improving the reliability of the communication system.

[0297] Optionally, the first time-domain threshold can be indicated by the base station, predefined, or based on UE capabilities. For example, the first time-domain threshold can be indicated by a parameter in the CSI reporting configuration. For example, the first time-domain threshold can be 0. For example, the first time-domain threshold can be X symbols, where X is an integer greater than or equal to 0. Optionally, the second time-domain threshold can be indicated by the base station, predefined, or based on UE capabilities. For example, the second time-domain threshold can be indicated by a parameter in the CSI reporting configuration. For example, the second time-domain threshold can be 0. For example, the first time-domain threshold can be Y symbols, where Y is an integer greater than or equal to 0.

[0298] Optionally, the RI corresponding to CSI is N. RIOne of the RIs. The RI corresponding to CSI refers to: the RI included in CSI, or the RI on which CSI is based. Optionally, the RI included in CSI and N RI One of the RIs is the same. Optionally, the CSI reported by the UE is based on N. RI The CSI is determined by one of the RIs. Optionally, CSI being determined based on RI means that: the PMI included in the CSI is determined based on RI, and / or, the load size of the CSI is determined based on RI. Optionally, when N RI When N=1, the CSI reported by the UE is determined based on the RI associated with the first uplink channel. Optionally, the size of the RI field included in the CSI is based on N associated with the first uplink channel. RI The number of RIs is determined. Optionally, the size of the RI fields included in the CSI is based on N. RI Determined. For example, optionally, the size of the RI field included in the CSI is equal to... Or log2N RI Optionally, the value r (r≥0) in the RI field corresponds to N. RI The (r+1)th RI in N RIs. Optionally, the value r (r≥1) in the RI field corresponds to N. RI The r-th RI in N RIs. Optionally, N RI The r-th RI in the RIs can be: N RI The RI values ​​are: the r-th largest / the r-th smallest. Optionally, N RI The r-th RI in the RIs can be: N RI The r-th RI is configured among the RIs. When the size of the RI field is 0, it can be assumed that the RI is not included in the CSI. When the size of the RI field is 0, it can be assumed that the UE does not report RIs in the second uplink channel. The above method allows the UE to determine the size of the RI field in the CSI based on the RI or RI information associated with the first uplink channel, saving uplink signaling overhead.

[0299] Optionally, the RI included in the CSI is less than or equal to the first RI. Optionally, the value of the RI included in the CSI is less than or equal to the value of the first RI. Optionally, the first RI is N. RI One of the RIs in the CSI. Optionally, the size of the RI fields included in the CSI is determined based on the value of the first RI. The value of the first RI can be represented as r1. Optionally, r1 ≥ 0. Optionally, the size of the RI fields included in the CSI is equal to or or Alternatively, it could be log2(r1-1), log2r1, or log2(r1+1). Optionally, the size of the RI field included in the CSI is determined based on the number of allowed RIs less than or equal to the first RI. Optionally, the allowed RIs are indicated by RI restrictions. The number of allowed RIs less than or equal to the first RI can be represented as i. Optionally, i ≥ 1. Optionally, the size of the RI field included in the CSI is equal to... Or log2i. Optionally, the value r (r≥0) in the RI field corresponds to N. RI The (r+1)th RI among the RIs less than or equal to the first RI. Optionally, the value r (r≥1) in the RI field corresponds to N. RI The r-th RI among the RIs less than or equal to the first RI. Optionally, this method applies to N. RI The case where = 1. The above method allows the UE to determine the size of the RI field in the CSI based on the RI or RI information associated with the first uplink channel, saving uplink signaling overhead.

[0300] Optionally, the RI included in the CSI is greater than or equal to the second RI. Optionally, the value of the RI included in the CSI is greater than or equal to the value of the second RI. Optionally, the second RI is N. RI One of the RIs in the CSI. Optionally, the size of the RI field included in the CSI is determined based on the value of the second RI. The value of the second RI can be represented as r². Optionally, r² ≥ 0. Optionally, the size of the RI field included in the CSI is equal to or, Alternatively, log2(A-r2-1), or log2(A-r2), or log2(A-r2+1). Here, A can be predefined or indicated by the base station. Optionally, A can be an integer. Optionally, A≥0. Optionally, A can be equal to the value of the largest RI among one or more allowed RIs. Optionally, one or more allowed RIs can be rank-limited indicators. Optionally, the value of A can be one of 0, 1, 2, 3, 4, 5, 6, 7, 8. Optionally, A can be a CSI reporting configuration indicator. Optionally, the size of the RI field included in the CSI is determined based on the number of allowed RIs greater than or equal to the second RI. Optionally, the allowed RIs are RI-limited indicators. The number of allowed RIs greater than or equal to the second RI can be represented as j. Optionally, j≥1. Optionally, the size of the RI field included in the CSI is equal to... Alternatively, log2j. Optionally, the value r (r≥0) in the RI field corresponds to N. RI The (r+1)th RI among the RIs greater than or equal to the second RI. Optionally, the value r (r≥1) in the RI field corresponds to N. RIThe r-th RI is among the RIs that are greater than or equal to the second RI. Optionally, this method applies to N. RI The case where = 1. The above method allows the UE to determine the size of the RI field in the CSI based on the RI or RI information associated with the first uplink channel, saving uplink signaling overhead.

[0301] Optionally, the RI included in the CSI is less than or equal to the first RI, and the RI included in the CSI is greater than or equal to the second RI. Optionally, the first RI is N. RI One of the RIs. Optionally, the second RI is N. RI One of the RIs. Optionally, r2 ≤ r1. Optionally, the size of the RI field included in the CSI is determined based on the first RI and the second RI. Optionally, the size of the RI field included in the CSI is equal to or, or, Alternatively, log2(r1-r2+1), or log2(r1-r2), or log2(r1-r2-1). Optionally, the RI value corresponding to the value r (r≥0) in the RI field is r2+r or r2+1+r. Optionally, the RI value corresponding to the value r (r≥0) in the RI field is r2+r+1 or r2+2+r. Optionally, the size of the RI field included in the CSI is determined based on the number of allowed RIs that are greater than or equal to the second RI and less than or equal to the first RI. Optionally, the allowed RIs are indicated by RI restrictions. The number of allowed RIs that are greater than or equal to the second RI and less than or equal to the first RI can be represented as k. Optionally, k≥1. Optionally, the size of the RI field included in the CSI is equal to Or log2k. Optionally, the value r (r≥0) in the RI field corresponds to N. RI The (r+1)th RI among the RIs greater than or equal to the second RI. Optionally, the value r (r≥1) in the RI field corresponds to N. RI The r-th RI is among the RIs that are greater than or equal to the second RI. Optionally, this method applies to N. RI The case where = 2.

[0302] Optionally, the load size corresponding to CSI is N. payload One of the payload sizes. Optionally, the payload size corresponding to CSI refers to: the number of information bits included in CSI, or the payload size of CSI part 2 in CSI, or the payload size of CSI part 1 and CSI part 2 in CSI.

[0303] Optionally, the load size corresponding to CSI is related to N. payloadOne of the load sizes is the same. Optionally, the size of the RI field included in the CSI is based on the N associated with the first uplink channel. payload The size is determined by the load size. Optionally, the size of the RI field included in the CSI is based on N. payload Certainly. Optionally, N payload The load size and N payload Each RI corresponds one-to-one. N payload Each load size is determined individually by its corresponding RI. For example, optionally, the size of the RI field included in the CSI is equal to... Or log2N payload Optionally, the value r (r≥0) in the RI field corresponds to N. payload The (r+1)th RI in N RIs. Optionally, the value r (r≥1) in the RI field corresponds to N. payload The r-th RI in N RIs. Optionally, N payload The r-th RI in the RIs can be: N payload The RI values ​​are: the r-th largest / the r-th smallest. Optionally, N payload The r-th RI in the RIs can be: N payload The RI corresponds to the r-th load size among the load sizes. When the size of the RI field is 0, it can be assumed that the RI is not included in the CSI. When the size of the RI field is 0, it can be assumed that the UE does not report the RI in the second uplink channel. The above method allows the UE to determine the size of the RI field in the CSI based on the RI or RI information associated with the first uplink channel, saving uplink signaling overhead.

[0304] Optionally, the load size corresponding to CSI is less than or equal to the first load size. Optionally, the load size corresponding to CSI is greater than or equal to the second load size. Optionally, the load size corresponding to CSI is less than or equal to the first load size and greater than or equal to the second load size. Optionally, the first load size is N. payload One of the load sizes. Optionally, the second load size is N. payload One of the load sizes. The above method can limit the load size of CSI carried by the second uplink channel, avoid the mismatch between the resources scheduled by the base station for transmitting CSI and the load size of CSI, and improve the scheduling efficiency of the base station.

[0305] Optionally, when the load size corresponding to the CSI is greater than or equal to the third load size, the UE may drop or omit part or all of the CSI. Optionally, part of the CSI refers to a portion of CSI part 2 within the CSI. The UE dropping or ignoring the entire CSI can be considered as the UE not reporting the CSI. Optionally, the third load size is N.payload One of the load sizes. Optionally, the load size of the portion of the CSI that is not dropped or ignored is less than or equal to the third load size. The above method can limit the load size of the CSI carried by the second uplink channel, avoid the mismatch between the resources scheduled by the base station for transmitting CSI and the load size of the CSI, and improve the scheduling efficiency of the base station.

[0306] The CSI reported by the UE can include one or two parts. A CSI consisting of only one part can be called a single-part CSI. The two parts of a CSI can be referred to as CSI Part 1 and CSI Part 2, respectively. Optionally, if a CSI consists of only one part, the number of information bits in that CSI is fixed. Optionally, if a CSI consists of two parts, the number of information bits in CSI Part 1 is fixed. Optionally, CSI Part 1 has a fixed payload size and / or is used to identify the number of information bits in CSI Part 2.

[0307] Optionally, the UE can transmit CSI Part 1 and CSI Part 2 via the second uplink channel.

[0308] Optionally, the UE can transmit CSI part 1 via the first uplink channel and the corresponding CSI part 2 via the second uplink channel. Optionally, the CSI part 2 transmitted on the second uplink channel is determined based on CSI part 1. For example, the load size of CSI part 2 is determined based on CSI part 1. Optionally, the CSI part 2 transmitted on the second uplink channel is determined based on the assumption that CSI part 1 is the same as the CSI part 1 included in the first uplink channel. The above method can limit the load size of CSI carried by the second uplink channel, avoid the mismatch between the resources scheduled by the base station for transmitting CSI and the load size of CSI, and improve the scheduling efficiency of the base station.

[0309] Optionally, the UE reports the CSI. Optionally, the CSI may include the results of interference measurements. Optionally, the CSI may include a dedicated quantity related to the interference measurements. Optionally, this dedicated quantity may be determined based on the interference measurements. Optionally, this dedicated quantity may be determined based on measurements of a reference signal used for the interference measurements. The above method enables the base station to obtain the interference measurement results from the UE, allowing the base station to optimize scheduling based on these results, thereby improving the scheduling efficiency of the communication system.

[0310] The following discussion covers the content that CSI reporting may include (e.g., the content of CSI reporting carried by the second uplink channel, or the content of CSI reporting initiated by the UE). In the following text, the CSI reported by the UE is exemplified by CRI, SSBRI, and L1-RSRP, but this is not a limitation. The CSI reported by the UE can also be other types, such as SINR, CQI, etc. In this paper, the L1-RSRP reported by the UE can be referred to as: the reported L1-RSRP.

[0311] The L1-RSRP reported by the UE can be either absolute L1-RSRP or differential L1-RSRP.

[0312] The absolute L1-RSRP is determined based on the measured L1-RSRP. The measured L1-RSRP can be quantized into the absolute L1-RSRP value. The absolute L1-RSRP value is a 7-bit value. The absolute L1-RSRP value ranges from -140 dBm to -44 dBm. The step size corresponding to the absolute L1-RSRP value is 1 dB. The mapping relationship between the absolute L1-RSRP value and the measured L1-RSRP is shown in Table 1 below. Optionally, the first code point of the absolute L1-RSRP value can correspond to RSRP_16. The second code point of the absolute L1-RSRP value can correspond to RSRP_17, and so on. Optionally, the first code point of the absolute L1-RSRP value can correspond to RSRP_113. The second code point of the absolute L1-RSRP value can correspond to RSRP_112, and so on. In Table 1, RSRP_x corresponds to the value x. For example, RSRP_0 corresponds to the value 0. Optionally, the 17th code point of the absolute L1-RSRP value can correspond to RSRP_16.

[0313] The 18th code point of the absolute L1-RSRP value can correspond to RSRP_17, and so on.

[0314]

[0315]

[0316] Table 1

[0317] The differential L1-RSRP can be determined based on the measured L1-RSRP and the reference L1-RSRP. The difference between the measured L1-RSRP and the reference L1-RSRP can be quantized into the value of the differential L1-RSRP. The value of the differential L1-RSRP is a 4-bit value. The step size corresponding to the value of the differential L1-RSRP is 2dB. The mapping relationship between the value of the differential L1-RSRP and the difference between the measured L1-RSRP and the reference L1-RSRP is shown in Table 2 below. ΔRSRP represents the difference in L1-RSRP. Optionally, the first code point of the differential L1-RSRP value can correspond to DIFFRSRP_0. The second code point of the differential L1-RSRP value can correspond to DIFFRSRP_1, and so on. Optionally, the first code point of the differential L1-RSRP value can correspond to DIFFRSRP_15. The second code point of the differential L1-RSRP value can correspond to DIFFRSRP_14, and so on. Optionally, in Table 2, the value corresponding to DIFFRSRP_x is x. For example, the value corresponding to DIFFRSRP_0 is 0.

[0318]

[0319] Table 2

[0320] The UE can report the L1-RSRP of the reference signal resource associated with the indicated TCI state. When a Type 1 event is configured, the UE can report the L1-RSRP of the reference signal resource associated with the indicated TCI state. This L1-RSRP is obtained through measurement of the reference signal resource associated with the indicated TCI state. Optionally, the L1-RSRP can be an absolute L1-RSRP or a differential L1-RSRP. Optionally, whether the L1-RSRP is an absolute L1-RSRP or a differential L1-RSRP can be determined by indication from the base station or based on UE capabilities. Optionally, whether the L1-RSRP is a differential L1-RSRP can be determined by indication from the base station or based on UE capabilities. For example, the CSI reporting configuration may include parameters for indicating whether the L1-RSRP is an absolute L1-RSRP or a differential L1-RSRP. For example, the CSI reporting configuration may include parameters for indicating whether the L1-RSRP is a differential L1-RSRP. For example, if the UE supports the L1-RSRP as a differential L1-RSRP, then the UE reports the differential L1-RSRP corresponding to the L1-RSRP. For example, if the UE does not support the L1-RSRP as a differential L1-RSRP, then the UE reports the absolute L1-RSRP corresponding to the L1-RSRP.

[0321] Optionally, the differential L1-RSRP can be determined based on the difference between the reference L1-RSRP and the measured L1-RSRP. Optionally, the reference L1-RSRP can be indicated by the base station, or the reference L1-RSRP can be predefined, or the reference L1-RSRP can be determined based on the highest measured L1-RSRP reported. Optionally, the reference L1-RSRP is a predefined L1-RSRP. The unit of L1-RSRP can be dBm. A predefined L1-RSRP can be Z dBm, where Z is an integer. Optionally, the reference L1-RSRP can be indicated by the CSI reporting configuration. Optionally, the reference L1-RSRP can be determined based on a first threshold. Optionally, the reference L1-RSRP can be the L1-RSRP corresponding to the first threshold. The description of the first threshold is given above. Based on the definition of Type 1 events, it can be known that the measured L1-RSRP of the reference signal resource associated with the indicated TCI state is less than or equal to the first threshold. Therefore, the UE can perform differential L1-RSRP reporting and set the reference L1-RSRP as the L1-RSRP corresponding to the first threshold, thereby reducing the overhead of CSI reporting.

[0322] The UE can report the L1-RSRP of resources in the resource set. Optionally, the UE can report the L1-RSRP of N reference signal resources. When a Type 1 event is configured, the UE can report the L1-RSRP of N reference signal resources. In a CSI reporting instance, the UE can report the L1-RSRP of N reference signal resources and / or the L1-RSRP of reference signal resources associated with the indicated TCI state. The description of N is given below. The L1-RSRP of N reference signal resources refers to: the L1-RSRP of each of the N reference signal resources, or N L1-RSRPs of each of the N reference signal resources.

[0323] The UE can be configured to report a number (N) of reference signal resources, where N ≥ 1. Optionally, the reference signal resources are resources in a resource set. Optionally, N ≤ N_max, where N_max is determined based on the UE's capabilities. Optionally, N_max represents the maximum number of reference signal resources the UE supports for reporting, as indicated by the UE's capabilities. Optionally, N_max represents the number of resources in the maximum resource set the UE supports for reporting, as indicated by the UE's capabilities. Optionally, N can be predefined or indicated by the base station. For example, N can be indicated by a parameter in the CSI reporting configuration (e.g., nrofReportedRS-UEIBR-r19). The value of N can be one of 1, 2, 3, or 4. Optionally, at least one of type 1 events, type 2 events, and type 3 events can be configured with N.

[0324] The UE can report the L1-RSRP of N reference signal resources and the L1-RSRP of the reference signal resources associated with the indicated TCI state.

[0325] Optionally, if the event associated with the CSI reporting configuration is a Type 1 event, then the L1-RSRP of the reference signal associated with the indicated TCI state in the CSI reporting configuration satisfies the Type 1 event (or satisfies the conditions corresponding to the Type 1 event). Alternatively, if the event associated with the CSI reporting configuration is a Type 1 event, then the reference signal resource associated with the indicated TCI state in the CSI reporting configuration satisfies the Type 1 event (or satisfies the conditions corresponding to the Type 1 event). For example, the measured L1-RSRP of the reference signal associated with the indicated TCI state is less than or equal to a first threshold.

[0326] The following section discusses the method for determining the content to be reported by CSI.

[0327] Optionally, the L1-RSRP of the N reference signal resources includes: a first L1-RSRP and N-1 differential L1-RSRPs. Optionally, when N>1, the L1-RSRP of the N reference signal resources includes: a first L1-RSRP and N-1 differential L1-RSRPs. Optionally, the first L1-RSRP corresponds to the resource with the highest measured L1-RSRP among the N reference signal resources. For example, the first L1-RSRP is determined / quantized based on the resource with the highest measured L1-RSRP among the N reference signal resources. Optionally, the first L1-RSRP is the L1-RSRP of the reference signal resource with the highest measured L1-RSRP among the N reference signal resources. Optionally, at least one L1-RSRP among the N-1 differential L1-RSRPs (or, each L1-RSRP among the N-1 differential L1-RSRPs) is determined based on at least one of the following: 1) the measured L1-RSRP of the reference signal resource corresponding to the first L1-RSRP; 2) the reference signal resource with the highest measured L1-RSRP among the N reported resources; 3) the highest measured L1-RSRP among the measured L1-RSRPs of the N reported resources; 4) the measured L1-RSRP of the reference signal resource corresponding to the first L1-RSRP; 5) the L1-RSRP with the highest measured L1-RSRP among the N L1-RSRPs; 6) the first L1-RSRP. Optionally, the first L1-RSRP is the L1-RSRP of the resource with the highest measured L1-RSRP among the N reference signal resources.

[0328] Optionally, the L1-RSRP (e.g., differential L1-RSRP) of the reference signal resource associated with the indicated TCI state can be determined based on a first threshold, or based on a first L1-RSRP, or based on the measured L1-RSRP corresponding to the first L1-RSRP. For example, the reference L1-RSRP associated with the differential L1-RSRP of the reference signal resource associated with the indicated TCI state can be equal to / based on the first threshold, or the first L1-RSRP, or the measured L1-RSRP corresponding to the first L1-RSRP. The measured L1-RSRP corresponding to the first L1-RSRP can be: the highest measured L1-RSRP among N measured L1-RSRPs, wherein the N measured L1-RSRPs correspond one-to-one with the N reported reference signal resources. When the measured L1-RSRP of the reference signal associated with the indicated TCI state is greater than the measured L1-RSRP corresponding to the first L1-RSRP, the value of the L1-RSRP of the reference signal associated with the indicated TCI state corresponds to a predefined code point (or a predefined value). For example, the value of this L1-RSRP corresponds to the first (or last) code point. For example, the value of this L1-RSRP is 0. Optionally, the value of this L1-RSRP is 15. 0 can be considered as the minimum value of the 4-bit differential L1-RSRP. 15 can be considered as the maximum value of the 4-bit differential L1-RSRP. Optionally, the reported L1-RSRP value corresponds to DIFFRSRP_0 or DIFFRSRP_15 in Table 2. When the largest measured L1-RSRP corresponding to N reported reference signal resources is used as the reference L1-RSRP, the measured L1-RSRP of the reference signal associated with the indicated TCI state can be greater than the reference L1-RSRP. The above methods can prevent the UE from reporting erroneous differential L1-RSRPs in this situation, thus improving the reliability of the communication system.

[0329] Optionally, the UE can report CRIs or SSBRIs corresponding to N reference signal resources. For example, the UE reports N CRIs / SSBRIs, where each of the N CRIs / SSBRIs corresponds to one of the N reported resources in the resource set. The size of the CSI field corresponding to each CRI / SSBRI is... Alternatively, log2(K). Optionally, the value of CRI / SSBRI is denoted as k (k≥0). Optionally, k corresponds to the (k+1)th resource configured in the resource set. Optionally, k corresponds to the (k+1)th resource among the K resources associated with the resource set.

[0330] Optionally, the mapping order of the CSI fields in the CSI reporting is shown in Table 3 below. The UE can determine the CSI based on Table 3. The UE reports N L1-RSRPs and the L1-RSRPs of the reference signal resources associated with the indicated TCI state. Optionally, the CSI reporting includes: CRI / SSBRI#1, CRI / SSBRI#2, ..., CRI / SSBRI#N. Optionally, the reference signal resource corresponding to CRI / SSBRI#1 is the resource with the highest measured L1-RSRP among the N resources. Optionally, the CSI reporting includes: L1-RSRP#1 and L1-RSRP#2, ..., L1-RSRP#N. Optionally, L1-RSRP#1 is the absolute L1-RSRP. Optionally, L1-RSRP#2, ..., L1-RSRP#N are differential L1-RSRPs. Optionally, L1-RSRP#n corresponds to CRI / SSBRI#n. Optionally, L1-RSRP#1 corresponds to the reference signal resource with the largest measured L1-RSRP among the reported N reference signal resources. Optionally, L1-RSRP#X is the L1-RSRP of the reference signal resource associated with the indicated TCI state. Optionally, L1-RSRP#X can be an absolute L1-RSRP or a differential L1-RSRP. For example, L1-RSRP#X is a differential L1-RSRP, wherein the differential L1-RSRP is determined based on the L1-RSRP corresponding to a first threshold. For example, L1-RSRP#X is a differential L1-RSRP, wherein the differential L1-RSRP is determined based on CRI / SSBRI#1.

[0331]

[0332] Table 3. Mapping order of CSI fields in CSI reporting

[0333] The following section discusses another method for determining the content to be reported by CSI.

[0334] Optionally, the L1-RSRP of the N reference signal resources and the L1-RSRP of the reference signal resources associated with the indicated TCI state include: a second L1-RSRP and N differential L1-RSRPs. Optionally, the second L1-RSRP corresponds to the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. For example, the second L1-RSRP is determined / quantized based on the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. Optionally, the second L1-RSRP is the L1-RSRP of the reference signal resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. Optionally, at least one L1-RSRP among the N differential L1-RSRPs (or, each L1-RSRP among the N differential L1-RSRPs) is determined based on at least one of the following: 1) the measured L1-RSRP of the reference signal resource corresponding to the second L1-RSRP; 2) the reference signal resource with the highest measured L1-RSRP among the N reported resources and the reference signal resources associated with the indicated TCI state; 3) the highest measured L1-RSRP among the measured L1-RSRPs of the N reported resources and the measured L1-RSRPs of the reference signal resources associated with the indicated TCI state; 4) the measured L1-RSRP of the reference signal resource corresponding to the second L1-RSRP; 5) the L1-RSRP with the highest measured L1-RSRP among the N+1 L1-RSRPs; 6) the second L1-RSRP. Optionally, the second L1-RSRP is the L1-RSRP of the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state.

[0335] Optionally, the UE can report CRIs or SSBRIs corresponding to N reference signal resources. For example, the UE reports N CRIs / SSBRIs, where each of the N CRIs / SSBRIs corresponds to one of the N reported resources in the resource set. The size of the CSI field corresponding to each CRI / SSBRI is... Alternatively, log2(K). Optionally, the value of CRI / SSBRI is denoted as k (k≥0). Optionally, k corresponds to the (k+1)th resource configured in the resource set. Optionally, k corresponds to the (k+1)th resource among the K resources associated with the resource set.

[0336] Optionally, the UE may report an indicator that indicates the reference signal resource associated with the largest L1-RSRP measurement (in CSI reporting). Optionally, the reference signal resource associated with the largest L1 measurement indicated by the indicator is one of the following: 1) the reference signal resource associated with the indicated TCI state; 2) one of the N reported reference signal resources. Optionally, one of the N reported reference signal resources can be the first / last of the N reported reference signal resources.

[0337] Optionally, the mapping order of the CSI fields in the CSI reporting is shown in Table 4 below. The UE can determine the CSI based on Table 4. The UE reports N L1-RSRPs and the L1-RSRPs of the reference signal resources associated with the indicated TCI state. Optionally, the CSI reporting includes: CRI / SSBRI#1, CRI / SSBRI#2, ..., CRI / SSBRI#N. Optionally, the reference signal resource corresponding to CRI / SSBRI#1 is the resource with the highest measured L1-RSRP among the N+1 resources. Optionally, the CSI reporting includes: L1-RSRP#1 and L1-RSRP#2, ..., L1-RSRP#N+1. Optionally, L1-RSRP#1 is the absolute L1-RSRP. Optionally, L1-RSRP#2, ..., L1-RSRP#N+1 are differential L1-RSRPs. Optionally, the differential L1-RSRP is determined based on L1-RSRP#1, or the differential L1-RSRP is determined based on the measured L1-RSRP corresponding to L1-RSRP#1. Optionally, when the indicator indicates one of the N reported reference signal resources, L1-RSRP#n corresponds to CRI / SSBRI#n. Here, 1≤n≤N. L1-RSRP#1 corresponds to the reference signal resource with the largest measured L1-RSRP among the N reported reference signal resources. Optionally, L1-RSRP#N+1 corresponds to the reference signal resource associated with the indicated TCI state. When the indicator indicates the reference signal resource associated with the indicated TCI state, L1-RSRP#n+1 corresponds to CRI / SSBRI#n. Here, 1≤n≤N. Optionally, L1-RSRP#1 corresponds to the reference signal resource associated with the indicated TCI state.

[0338]

[0339]

[0340] Table 4. Mapping order of CSI fields in CSI reporting

[0341] The following section discusses another method for determining the content to be reported by CSI.

[0342] Optionally, the L1-RSRP of the N reference signal resources and the L1-RSRP of the reference signal resources associated with the indicated TCI state include: a third L1-RSRP and N differential L1-RSRPs. Optionally, the third L1-RSRP corresponds to the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. For example, the third L1-RSRP is determined / quantized based on the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. Optionally, the third L1-RSRP is the L1-RSRP of the reference signal resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state. Optionally, at least one L1-RSRP among the N differential L1-RSRPs (or, each L1-RSRP among the N differential L1-RSRPs) is determined based on at least one of the following: 1) the measured L1-RSRP of the reference signal resource corresponding to the third L1-RSRP; 2) the reference signal resource with the highest measured L1-RSRP among the N reported resources and the reference signal resources associated with the indicated TCI state; 3) the highest measured L1-RSRP among the measured L1-RSRPs of the N reported resources and the measured L1-RSRPs of the reference signal resources associated with the indicated TCI state; 4) the measured L1-RSRP of the reference signal resource corresponding to the third L1-RSRP; 5) the L1-RSRP with the highest measured L1-RSRP among the N+1 L1-RSRPs; 6) the third L1-RSRP. Optionally, the third L1-RSRP is the L1-RSRP of the resource with the highest measured L1-RSRP among the N reference signal resources and the reference signal resources associated with the indicated TCI state.

[0343] Optionally, the UE may report N+1 CRIs or SSBRIs corresponding to reference signal resources. For example, the UE reports N+1 CRIs / SSBRIs, where the N+1 CRIs / SSBRIs correspond to the N reported resources in the resource set and the reference signal resources associated with the indicated TCI states, respectively. The size of the CSI field corresponding to the CRI / SSBRI is... Alternatively, log2(K+1). Optionally, the value of CRI / SSBRI is denoted as k (k≥0). Optionally, a predefined value of k can correspond to the reference signal resource associated with the indicated TCI state. For example, this predefined value is equal to 0 or K. Optionally, k corresponds to the (k+1)th resource configured in the resource set. Optionally, k corresponds to the (k+1)th resource among the K resources associated with the resource set. When k=K, k corresponds to the reference signal resource associated with the indicated TCI state. For example, this predefined value is equal to 0. When k=0, k corresponds to the reference signal resource associated with the indicated TCI state. k corresponds to the kth resource configured in the resource set. Optionally, k corresponds to the kth resource among the K resources associated with the resource set.

[0344] Optionally, the mapping order of the CSI fields in the CSI reporting is shown in Table 5 below. The UE can determine the CSI based on Table 5. The UE reports N L1-RSRPs and the L1-RSRPs of the reference signal resources associated with the indicated TCI state. Optionally, the CSI reporting includes: CRI / SSBRI#1, CRI / SSBRI#2, ..., CRI / SSBRI#N+1. Optionally, the reference signal resource corresponding to CRI / SSBRI#1 is the resource with the highest measured L1-RSRP among the N+1 resources. Optionally, the CSI reporting includes: L1-RSRP#1 and L1-RSRP#2, ..., L1-RSRP#N+1. Optionally, L1-RSRP#1 is the absolute L1-RSRP. Optionally, L1-RSRP#2, ..., L1-RSRP#N+1 are differential L1-RSRPs. Optionally, the differential L1-RSRP is determined based on L1-RSRP#1, or the differential L1-RSRP is determined based on the L1-RSRP measured corresponding to L1-RSRP#1. Optionally, L1-RSRP#n corresponds to CRI / SSBRI#n. Here, 1≤n≤N+1.

[0345]

[0346] Table 5. Mapping order of CSI fields in CSI reporting

[0347] Figure 5A method 500 performed by a base station according to various embodiments of the present disclosure is illustrated. Method 500 includes: at 501, transmitting a Channel State Information (CSI) reporting configuration; at 502, receiving a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of: at least one rank indicator RI, at least one CSI load size, and CSI portion 1; and at 503, receiving a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries a CSI associated with the CSI reporting configuration, and the CSI is associated with the at least one RI and / or the at least one CSI load size.

[0348] Figure 6 The structure 600 of a user equipment according to various embodiments of the present disclosure is shown. For example... Figure 6 As shown, user equipment 600 includes a controller 610 and a transceiver 620, wherein the controller 610 is configured to perform the various methods disclosed herein performed by the user equipment, and the transceiver 620 is configured to transmit and receive channels or signals.

[0349] Figure 7 The structure 700 of a base station according to various embodiments of the present disclosure is shown. For example... Figure 7 As shown, network device 700 includes a controller 710 and a transceiver 720, wherein the controller 710 is configured to perform various methods performed by network devices as disclosed herein, and the transceiver 720 is configured to transmit and receive channels or signals.

[0350] Furthermore, “at least one / at least one” as described in this disclosure includes any and / or all possible combinations of the listed items, the various embodiments described in this disclosure and the various examples in the embodiments can be changed and combined in any suitable form, and “ / ” as described in this disclosure means “or”.

[0351] The various illustrative logic blocks, modules, and circuits described in this disclosure 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 alternative embodiments, 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.

[0352] The steps of the methods or algorithms described in this disclosure 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 user terminal. In an alternative, the processor and storage medium may reside as discrete components in the user terminal.

[0353] 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.

[0354] The description set forth herein, taken in conjunction with the accompanying drawings, describes exemplary configurations, methods, and apparatuses, and does not represent all examples that can be implemented or that fall within the scope of the claims. As used herein, the term "example" means "serving as an example, instance, or illustration," and not "preferred" or "superior to other examples." The detailed description includes specific details intended to provide an understanding of the described techniques. However, these techniques can be practiced without these specific details. In some cases, well-known structures and devices are shown in block diagram form to avoid obscuring the concept of the described examples.

[0355] Although this specification contains details of various specific implementations, these should not be construed as limiting any invention or the scope of the claims, but rather as descriptions of specific features of particular embodiments of a particular invention. Certain features described in the context of individual embodiments may also be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment may also be implemented individually in multiple embodiments or in any suitable sub-combination. Furthermore, although features may be described above as functioning in certain combinations, and even initially claimed as such, in some cases one or more features from a claimed combination may be removed from that combination, and the claimed combination may be for sub-combinations or variations thereof.

[0356] It should be understood that the specific order or hierarchy of steps in the methods of this disclosure is an illustration of an exemplary process. Based on design preferences, it is understood that the specific order or hierarchy of steps in the method can be rearranged to achieve the functions and effects disclosed in this disclosure. The appended method claims present the elements of various steps in an exemplary order and are not intended to limit one to the specific order or hierarchy presented, unless otherwise specifically stated. Furthermore, although elements may be described or claimed in the singular, the plural is also contemplated unless a limitation on the singular is expressly stated. Therefore, this disclosure is not limited to the examples shown, and any means for performing the functions described herein are included in various aspects of this disclosure.

[0357] 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.

Claims

1. A method performed by a user equipment (UE) in a wireless communication system, the method comprising: Configuration for receiving Channel Status Information (CSI) reports; Based on the CSI reporting configuration, a first uplink channel is transmitted, wherein the first uplink channel is associated with at least one of the following: at least one rank indicator RI, at least one CSI load size, and CSI part 1; and Transmit a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries the CSI reporting configuration associated with the CSI, and the CSI is associated with the at least one RI and / or the at least one CSI load size, wherein, The offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is less than or equal to a first time-domain threshold; and / or The offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is greater than or equal to the second time-domain threshold.

2. The method according to claim 1, wherein, The at least one RI is at least one allowed RI associated with the RI restriction indication of the CSI reporting configuration.

3. The method according to claim 1 or 2, wherein, The at least one RI is associated with the resources used to transmit the first uplink channel associated with the CSI reporting configuration; and / or The at least one RI is indicated by the information bits carried by the first uplink channel.

4. The method according to any one of claims 1-3, wherein, The RI associated with the CSI is one of the at least one RI; or, The value of the RI associated with the CSI is less than or equal to the value of the first RI, wherein the first RI is one of the at least one RI; or... The value of the RI associated with the CSI is greater than or equal to the value of the second RI, wherein the second RI is one of the at least one RI; or, The value of the RI associated with the CSI is less than or equal to the value of the first RI and greater than or equal to the value of the second RI.

5. The method according to claim 4, wherein, The size of the RI field included in the CSI is determined based on one of the following: The quantity of the at least one RI; The value of the first RI and / or the value of the second RI; The number of RIs whose values ​​are less than or equal to the value of the first RI and / or whose values ​​are less than or equal to the value of the second RI among the at least one allowed RI; The difference between the value of the first RI and the value of the second RI.

6. The method according to any one of claims 1-5, wherein, The precoding matrix indicator PMI included in the CSI is determined based on the RI associated with the CSI.

7. The method according to claim 1 or 2, wherein, The at least one CSI load size is associated with the resources used to transmit the first uplink channel in the CSI reporting configuration; and / or The size of the at least one CSI load is indicated by the information bits carried by the first uplink channel.

8. The method according to claim 7, wherein, The load size associated with the CSI is one of the at least one CSI load sizes; or, The load size associated with the CSI is less than or equal to a first load size, wherein the first load size is one of the at least one CSI load sizes; or... The load size associated with the CSI is greater than or equal to the second load size, wherein the second load size is one of the at least one CSI load sizes; or, The load size associated with the CSI is less than or equal to the first load size and greater than or equal to the second load size.

9. The method according to claim 8, wherein, The size of the RI field included in the CSI is determined based on the number of the at least one CSI load size.

10. The method according to claim 8 or 9, wherein, When the load associated with the CSI is greater than or equal to the third load size, part or all of the CSI is ignored, and The third load size is one of the at least one CSI load sizes.

11. The method according to claim 10, wherein, The load size of the portion of the CSI that is not ignored is less than or equal to the third load size.

12. The method according to claim 1, wherein, The first uplink channel carries CSI portion 1, and the CSI includes CSI portion 2; and CSI Part 2 is determined based on CSI Part 1.

13. The method according to claim 12, wherein, The load size of CSI section 2 is determined based on CSI section 1.

14. The method according to any one of claims 1-13, wherein, The first uplink channel is triggered based on interference measurement; or, The first uplink channel is determined by comparing the fifth threshold of the CSI reporting configuration indication with the load size of the CSI associated with the CSI reporting configuration.

15. The method according to claim 14, wherein, The fifth threshold is equal to one of the first load size, the second load size, and the third load size.

16. A method performed by a base station in a wireless communication system, the method comprising: Configure the transmission of Channel Status Information (CSI) reporting. Receive a first uplink channel based on the CSI reporting configuration, wherein the first uplink channel is associated with at least one of the following: at least one rank indicator RI, at least one CSI load size, and CSI part 1; and Receive a second uplink channel associated with the first uplink channel, wherein the second uplink channel carries the CSI reporting configuration associated with the CSI, and the CSI is associated with the at least one RI and / or the at least one CSI load size, wherein, The offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is less than or equal to a first time-domain threshold; and / or The offset between the time-domain unit associated with the first uplink channel and the time-domain unit associated with the second uplink channel is greater than or equal to the second time-domain threshold.

17. The method according to claim 16, wherein, The at least one RI is at least one allowed RI associated with the RI restriction indication of the CSI reporting configuration.

18. The method according to claim 16 or 17, wherein, The at least one RI is associated with the resources used to transmit the first uplink channel associated with the CSI reporting configuration; and / or The at least one RI is indicated by the information bits carried by the first uplink channel.

19. A user equipment, comprising: transceiver; as well as A controller, coupled to the transceiver, is configured to perform the method according to any one of claims 1-15.

20. A base station, comprising: transceiver; as well as A controller, coupled to the transceiver, is configured to perform the method according to any one of claims 16-18.

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