User equipment and base station in communication system and method performed by same

Abstract

The invention discloses user equipment and a base station in a communication system and a method executed by the user equipment and the base station. The method executed by user equipment UE in the communication system comprises the following steps: determining a power control parameter based on information related to uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH; determining the sending power of the PUSCH according to the determined power control parameter; and transmitting the PUSCH according to the determined transmission power.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and more specifically, to user equipment and a base station in a communication system and methods executed by the same. Background Art

[0002] In order 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 quasi-5G communication systems. Therefore, 5G or quasi-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 60 GHz band, to achieve higher data rates. In order to reduce the propagation loss of radio waves and increase the transmission distance, beamforming, massive multiple-input multiple-output (MIMO), full-dimensional MIMO (FD-MIMO), array antennas, analog beamforming, and massive antenna technology are discussed in 5G communication systems.

[0004] In addition, in the 5G communication system, development of system network improvements is underway based on advanced small cells, cloud radio access networks (RAN), ultra-dense networks, device-to-device (D2D) communication, wireless backhaul, mobile networks, collaborative communications, coordinated multi-point (CoMP), receiving-end interference cancellation, etc.

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

[0006] In a wireless communication system, the uplink and downlink resource distribution of the physical uplink shared channel (PUSCH) in different time units may be different, resulting in different interference in different time units. Therefore, it is necessary to enhance the power of the UE to send the PUSCH to more reasonably control the power of the PUSCH, thereby ensuring the performance of the PUSCH sent by the UE.

[0007] According to one aspect of the present application, a method performed by a user equipment UE in a communication system is provided, comprising: determining a power control parameter based on information related to the uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH; determining the transmit power of the PUSCH according to the determined power control parameter; and sending the PUSCH according to the determined transmit power.

[0008] In an exemplary embodiment, determining power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH includes: receiving downlink control information DCI for scheduling the PUSCH; determining the uplink and downlink frequency resource configuration of the PUSCH according to the DCI; determining corresponding power control parameters according to the determined uplink and downlink frequency resource configurations of the PUSCH and a first correspondence, wherein the first correspondence is used to indicate the association between the uplink and downlink frequency resource configurations and the power control parameters.

[0009] In an exemplary embodiment, the first correspondence is received via high-level signaling, and the first correspondence includes an index value, information related to the uplink and downlink frequency resource configuration of the PUSCH, and a power control parameter, wherein determining the power control parameter includes: receiving the index value; and determining the corresponding power control parameter based on the first correspondence according to the received index value and the determined uplink and downlink frequency resource configuration of the PUSCH.

[0010] In an exemplary embodiment, the uplink and downlink frequency resource configuration of the PUSCH is determined based on a field included in the DCI and used to indicate the uplink and downlink frequency resource configuration of the PUSCH.

[0011] In an exemplary embodiment, the uplink and downlink frequency resource configuration of the PUSCH is determined based on the frequency domain resource allocation FDRA information included in the DCI.

[0012] In an exemplary embodiment, determining power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH includes: determining the uplink and downlink frequency resource configuration of the PUSCH according to the configuration and activation scheduling information used for the PUSCH resources; determining corresponding power control parameters according to the determined uplink and downlink frequency resource configurations of the PUSCH and a second correspondence, the second correspondence being used to indicate the association between the uplink and downlink frequency resource configurations and the power control parameters.

[0013] In an exemplary embodiment, the configuration and activation scheduling information of the PUSCH resources includes: configuration information for configuring the permitted CG type 1 PUSCH, and activation scheduling information for the CG type 2 PUSCH.

[0014] In an exemplary embodiment, determining the power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH includes: when the downlink control information DCI used to schedule the PUSCH is in the first DCI format and / or the number of PUSCHs scheduled by the DCI is greater than a threshold, determining the power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH.

[0015] In an exemplary embodiment, the method performed by the user equipment UE also includes: when the DCI scheduling the PUSCH is not in the first DCI format and / or the number of PUSCHs scheduled by the DCI is less than or equal to the threshold, determining the power control parameter includes: receiving an index value; and determining the corresponding power control parameter based on the received index value and a third corresponding relationship, the third corresponding relationship including the index value and the power control parameter.

[0016] In an exemplary embodiment, the index value includes: a sounding reference signal SRS resource indication SRI field value or open loop power control parameter set indication information OPCI.

[0017] In an exemplary embodiment, determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH includes: determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH when an indication is received through higher layer signaling.

[0018] In an exemplary embodiment, the indication received through high-layer signaling includes: information related to a corresponding relationship for indicating an association between uplink and downlink frequency resource configurations and power control parameters.

[0019] In an exemplary embodiment, the indication received through high-layer signaling includes: indication information for indicating that a power control parameter is determined based on information related to uplink and downlink frequency resource configuration of a PUSCH, wherein the indication information may be 1-bit information.

[0020] According to one aspect of the present application, a method performed by a user equipment UE in a communication system is provided, comprising: receiving N sets of power control parameters through high-layer signaling, N being greater than or equal to 4; determining a set of power control parameters from the N sets of power control parameters according to open-loop power control parameter set indication information OPCI; determining a transmit power of a physical uplink shared channel PUSCH according to the determined power control parameters; and sending the PUSCH according to the determined transmit power.

[0021] In an exemplary embodiment, the OPCI is 2 bits or 3 bits.

[0022] According to one aspect of the present application, a user equipment UE in a wireless communication system is provided, comprising a transceiver and a processor, wherein the transceiver is configured to send and receive signals, and the processor is coupled to the transceiver and configured to execute a method according to any of the above embodiments.

[0023] According to one aspect of the present disclosure, a computer-readable storage medium is provided, which stores computer instructions. When the stored computer instructions are executed by a processor of a user equipment UE, the processor executes a method according to any of the above embodiments.

[0024] According to one aspect of the present application, a method performed by a base station in a communication system is provided, comprising: sending information related to the uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH to a user equipment UE; and receiving the PUSCH from the UE, wherein the PUSCH is sent by the UE at a transmission power determined based on the information related to the uplink and downlink frequency resource configuration of the PUSCH.

[0025] According to one aspect of the present application, a method performed by a base station in a communication system is provided, comprising: sending N sets of power control parameters to a user equipment UE through high-layer signaling, N being greater than or equal to 4; sending open-loop power control parameter set indication information OPCI to the UE; and receiving a physical uplink shared channel PUSCH from the UE, wherein the PUSCH is sent by the UE at a transmission power determined by the power control parameters indicated by the OPCI.

[0026] According to one aspect of the present application, a base station in a wireless communication system is provided, comprising a transceiver and a processor, wherein the transceiver is configured to send and receive signals, and the processor is coupled to the transceiver and configured to execute a method performed by the base station according to any of the above embodiments.

[0027] According to one aspect of the present disclosure, a computer-readable storage medium is provided, which stores computer instructions. When the stored computer instructions are executed by a processor of a base station, the processor executes the method executed by the base station according to any of the above embodiments.

[0028] On the one hand, by using the technical solution of the present application, the information related to the uplink and downlink resource frequency configuration of the PUSCH can be used to more reasonably control the power of the UE sending the PUSCH, thereby ensuring the performance of the PUSCH sent by the UE.

[0029] On the other hand, by using the technical solution of the present application, the open-loop power control parameter set indication (OPCI) contains a larger amount of information, and the power of the PUSCH sent by the UE is more reasonably controlled through OPCI, thereby ensuring the performance of the PUSCH sent by the UE. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the composition structure of various wireless networks according to an embodiment of the present disclosure;

[0031] Figure 2a and Figure 2b is a schematic diagram of wireless transmission and reception paths according to an embodiment of the present disclosure;

[0032] Figure 3a is a block diagram of a structure of a user equipment according to an embodiment of the present disclosure;

[0033] Figure 3b is a block diagram of a base station structure according to an embodiment of the present disclosure;

[0034] Figure 4 The exemplary allocation of uplink and downlink transmission resources according to the embodiment of the present disclosure is shown;

[0035] Figure 5 is an exemplary flow chart of a method performed by a user equipment according to an embodiment of the present disclosure;

[0036] Figure 6 An example of PUSCH uplink and downlink frequency resource configuration according to an embodiment of the present disclosure is shown;

[0037] Figure 7 Another example of PUSCH uplink and downlink frequency resource configuration according to an embodiment of the present disclosure is shown;

[0038] Figure 8 is an exemplary flow chart of a method performed by a user equipment according to an embodiment of the present disclosure;

[0039] Fig. 9 An exemplary structure of a user equipment according to an embodiment of the present disclosure is shown. DETAILED DESCRIPTION

[0040] The following description with reference to the accompanying drawings is provided to facilitate a comprehensive understanding of the various embodiments of the present disclosure as defined by the claims and their equivalents. This description includes various specific details to facilitate understanding but should be considered as exemplary only. Therefore, one of ordinary skill 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 the present disclosure. In addition, for the sake of clarity and conciseness, descriptions of well-known functions and structures may be omitted.

[0041] The terms and expressions used in the following specification and claims are not limited to their dictionary meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present disclosure. Therefore, it should be apparent to those skilled in the art that the following description of various embodiments of the present disclosure is provided for illustration purposes only and not for the purpose of limiting the present disclosure as defined in the appended claims and their equivalents.

[0042] It should be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more of such surfaces.

[0043] The term "include" or "may include" refers to the presence of the corresponding disclosed functions, operations or components that can be used in various embodiments of the present disclosure, rather than limiting the presence of one or more additional functions, operations or features. In addition, the term "include" or "have" may be interpreted as indicating certain characteristics, numbers, steps, operations, constituent elements, components or combinations thereof, but should not be interpreted as excluding the possibility of the presence of one or more other characteristics, numbers, steps, operations, constituent elements, components or combinations thereof.

[0044] The terms "or" and " / " used in various embodiments of the present disclosure include 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.

[0045] Unless defined differently, all terms (including technical terms or scientific terms) used in the present disclosure have the same meanings as understood by those skilled in the art described in the present disclosure. Common terms as defined in dictionaries are interpreted as having meanings consistent with the context in the relevant technical field, and should not be interpreted ideally or overly formally unless clearly defined in the present disclosure.

[0046] Figure 1 An example wireless network 100 is shown in accordance with various embodiments of the present disclosure. Figure 1 The embodiment of the wireless network 100 shown in FIG. 1 is for illustration only. Other embodiments of the wireless network 100 can be used without departing from the scope of the present disclosure.

[0047] 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 private IP network, or other data network.

[0048] Depending on the network type, other well-known terms such as "base station" or "access point" can be used instead of "gNodeB" or "gNB". For convenience, the terms "gNodeB" and "gNB" are used in this patent document to refer to network infrastructure components that provide wireless access to remote terminals. Also, depending on the network type, other well-known terms such as "mobile station", "subscriber 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 a remote wireless device that wirelessly accesses a gNB, whether the UE is a mobile device (such as a mobile phone or smartphone) or a generally determined fixed device (such as a desktop computer or vending machine).

[0049] gNB 102 provides wireless broadband access to network 130 for a first plurality of user equipment (UE) within coverage area 120 of gNB 102. The first plurality of 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); UE 116, which may be a mobile device (M), such as a cellular phone, a wireless laptop, a wireless PDA, etc. gNB 103 provides wireless broadband access to network 130 for a second plurality of UEs within coverage area 125 of gNB 103. The second plurality of UEs include UE 115 and UE 116. In some embodiments, one or more of gNBs 101-103 may be capable of communicating with each other and with UEs 111-116 using 5G, long term evolution (LTE), LTE-A, WiMAX, or other advanced wireless communication technologies.

[0050] The dashed lines illustrate the approximate extents of coverage areas 120 and 125, which are shown as approximately circular for purposes of illustration and explanation only. It should be clearly understood that coverage areas associated with gNBs, 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.

[0051] 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 the present disclosure. In some embodiments, one or more of gNB 101, gNB 102, and gNB 103 support codebook design and structure for a system with a 2D antenna array.

[0052] although Figure 1 One example of a wireless network 100 is shown, but Figure 1 Various changes may be made. For example, wireless network 100 can include any number of gNBs and any number of UEs in any suitable arrangement. Also, 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 an external telephone network or other type of data network.

[0053] Figure 2a and Figure 2b Example wireless transmit and receive paths according to the present disclosure are shown. In the following description, transmit path 200 can be described as being implemented in a gNB (such as gNB 102) and 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 with a 2D antenna array as described in embodiments of the present disclosure.

[0054] 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, an add cyclic prefix block 225, and an upconverter (UC) 230. The receive path 250 includes a downconverter (DC) 255, a remove cyclic prefix 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.

[0055] In the transmit path 200, the 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 modulation symbols. The serial-to-parallel (S-to-P) block 210 converts (such as demultiplexes) the serial modulation symbols into parallel data to generate N parallel symbol streams, where N is the number of IFFT / FFT points used in the gNB 102 and the UE 116. The N-point IFFT block 215 performs an IFFT operation on the N parallel symbol streams to generate a time-domain output signal. The parallel-to-serial block 220 converts (such as multiplexes) the parallel time-domain output symbols from the N-point IFFT block 215 to generate a serial time-domain signal. The add cyclic prefix block 225 inserts a cyclic prefix into the time-domain signal. The up-converter 230 modulates (such as up-converts) the output of the add cyclic prefix block 225 to an RF frequency for transmission via a wireless channel. The signal can also be filtered at baseband before conversion to RF frequency.

[0056] The RF signal transmitted from gNB 102 arrives at UE 116 after passing through a wireless channel, and an operation opposite to that at gNB 102 is performed at UE 116. Downconverter 255 downconverts the received signal to a baseband frequency, and remove cyclic prefix 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.

[0057] Each of gNBs 101-103 may implement a transmit path 200 similar to that for transmitting in the downlink to UEs 111-116 and may implement a receive path 250 similar to that for receiving in the uplink from UEs 111-116. Similarly, each of UEs 111-116 may implement a transmit path 200 for transmitting in the uplink to gNBs 101-103 and may implement a receive path 250 for receiving in the downlink from gNBs 101-103.

[0058] Figure 2a and Figure 2b Each of the components in can be implemented using hardware only, or a combination of hardware and software / firmware. As a specific example, Figure 2a and Figure 2bAt least some of the components in can be implemented with software, while other components can be implemented by configurable hardware or a mixture of software and configurable hardware. For example, FFT block 270 and IFFT block 215 can be implemented as a configurable software algorithm, in which the value of the number of points N can be modified according to the implementation.

[0059] In addition, although described as using FFT and IFFT, this is illustrative only and should not be construed as limiting the scope of the present disclosure. Other types of transforms can be used, such as discrete Fourier transform (DFT) and inverse discrete Fourier transform (IDFT) functions. 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 as a power of 2 (such as 1, 2, 4, 8, 16, etc.).

[0060] although Figure 2a and Figure 2b An example of a wireless transmit and receive path is shown, but the Figure 2a and Figure 2b Make various changes. For example, Figure 2a and Figure 2b The various components in can be combined, further subdivided or omitted, and additional components can be added according to specific needs. Figure 2a and Figure 2b It is intended to illustrate examples of the types of transmit and receive paths that can be used in a wireless network. Any other suitable architecture can be used to support wireless communications in a wireless network.

[0061] Figure 3a An example UE 116 according to the present disclosure is shown. Figure 3a The embodiment of UE 116 shown in FIG. 1 is for illustration only, and Figure 1 UEs 111-115 can have the same or similar configurations. However, UEs have a variety of configurations, and Figure 3a The scope of the present disclosure is not limited to any particular implementation of the UE.

[0062] UE 116 includes antenna 305, radio frequency (RF) transceiver 310, transmit (TX) processing circuit 315, microphone 320, and receive (RX) processing circuit 325. UE 116 also includes speaker 330, processor / controller 340, input / output (I / O) interface 345, input device(s) 350, display 355, and memory 360. Memory 360 includes operating system (OS) 361 and one or more applications 362.

[0063] The RF transceiver 310 receives incoming RF signals from the antenna 305 transmitted by the gNB of the wireless network 100. The RF transceiver 310 downconverts the incoming RF signals to generate an intermediate frequency (IF) or baseband signal. The IF or baseband signal is sent to the RX processing circuit 325, where the RX processing circuit 325 generates a processed baseband signal by filtering, decoding and / or digitizing the baseband or IF signal. The RX processing circuit 325 sends the processed baseband signal to the speaker 330 (such as for voice data) or to the processor / controller 340 (such as for web browsing data) for further processing.

[0064] The TX processing circuit 315 receives analog or digital voice data from the microphone 320, or receives other outgoing baseband data (such as network data, email, or interactive video game data) from the processor / controller 340. The TX processing circuit 315 encodes, multiplexes, and / or digitizes the outgoing baseband data to generate a processed baseband or IF signal. The RF transceiver 310 receives the outgoing processed baseband or IF signal from the TX processing circuit 315 and up-converts the baseband or IF signal to an RF signal that is transmitted via the antenna 305.

[0065] The processor / controller 340 can include one or more processors or other processing devices and execute an OS 361 stored in the memory 360 to control the overall operation of the UE 116. For example, the processor / controller 340 can control the reception of forward channel signals and the transmission of reverse channel signals through the RF transceiver 310, the RX processing circuit 325, and the TX processing circuit 315 according to well-known principles. In some embodiments, the processor / controller 340 includes at least one microprocessor or microcontroller.

[0066] The processor / controller 340 is also capable of executing other processes and programs resident in the memory 360, such as operations for channel quality measurement and reporting for a system with a 2D antenna array as described in the embodiments of the present disclosure. The processor / controller 340 is capable of moving data into or out of the memory 360 as needed for the executed process. In some embodiments, the processor / controller 340 is configured to execute applications 362 based on the OS 361 or in response to signals received from the gNB or operator. The processor / controller 340 is also coupled to the I / O interface 345, where the I / O interface 345 provides the UE 116 with the ability to connect to other devices such as laptops and handheld computers. The I / O interface 345 is the communication path between these accessories and the processor / controller 340.

[0067] Processor / controller 340 is also coupled to input device(s) 350 and display 355. An operator of UE 116 can input data into UE 116 using input device(s) 350. Display 355 can be a liquid crystal display or other display capable of presenting text and / or at least limited graphics (such as from a website). Memory 360 is coupled to processor / controller 340. A portion of memory 360 can include random access memory (RAM), while another portion of memory 360 can include flash memory or other read-only memory (ROM).

[0068] 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 in can be combined, further subdivided, or omitted, and additional components can be added according to specific needs. As a specific example, processor / controller 340 can be divided into multiple processors, such as one or more central processing units (CPUs) and one or more graphics processing units (GPUs). Moreover, although Figure 3a The UE 116 is shown configured as a mobile phone or smart phone, but the UE can be configured to operate as other types of mobile or stationary devices.

[0069] Figure 3b An example gNB 102 according to the present disclosure is shown. Figure 3b The embodiment of the gNB 102 shown in FIG. is for illustration only, and Figure 1 Other gNBs can have the same or similar configurations. However, gNBs have a variety of configurations, and Figure 3b The scope of the present 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 structure as gNB 102.

[0070] like Figure 3b As shown in FIG. 1 , 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.

[0071] The RF transceivers 372a-372n receive incoming RF signals from the antennas 370a-370n, such as signals transmitted by a UE or other gNB. The RF transceivers 372a-372n downconvert the incoming RF signals to generate IF or baseband signals. The IF or baseband signals are sent to the RX processing circuitry 376, which generates processed baseband signals by filtering, decoding, and / or digitizing the baseband or IF signals. The RX processing circuitry 376 sends the processed baseband signals to the controller / processor 378 for further processing.

[0072] 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. The RF transceivers 372a-372n receive the outgoing processed baseband or IF signals from the TX processing circuit 374 and up-convert the baseband or IF signals to RF signals that are transmitted via the antennas 370a-370n.

[0073] The controller / processor 378 can include one or more processors or other processing devices that control the overall operation of the gNB 102. For example, the controller / processor 378 can control the reception of forward channel signals and the transmission of reverse channel signals through the RF transceivers 372a-372n, the RX processing circuitry 376, and the TX processing circuitry 374 in accordance with well-known principles. The controller / processor 378 can also support additional functionality, such as more advanced wireless communication functionality. For example, the controller / processor 378 can perform a Blind Interference Sensing (BIS) process, such as performed through a Blind Interference Sensing (BIS) algorithm, and decode a received signal with an interference signal subtracted. The controller / processor 378 can support any of a variety of other functions in the gNB 102. In some embodiments, the controller / processor 378 includes at least one microprocessor or microcontroller.

[0074] The controller / processor 378 can also execute programs and other processes resident in the memory 380, such as a basic OS. The controller / processor 378 can also support channel quality measurement and reporting for systems with 2D antenna arrays as described in embodiments of the present disclosure. In some embodiments, the controller / processor 378 supports communications between entities such as web RTC. The controller / processor 378 can move data into or out of the memory 380 as needed by the executing process.

[0075] 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 via a network. The backhaul or network interface 382 can support communication via any suitable (multiple) wired or wireless connections. 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 technology or NR, LTE or LTE-A), the backhaul or network interface 382 can allow 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 can allow 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 structure that supports communication via a wired or wireless connection, such as an Ethernet or RF transceiver.

[0076] The memory 380 is coupled to the controller / processor 378. A portion of the memory 380 can include RAM, while another portion of the memory 380 can include flash memory or other ROM. In some embodiments, a plurality of instructions such as a BIS algorithm are stored in the memory. The plurality of instructions are configured to cause the 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.

[0077] As described in more detail below, the transmit and receive paths of the gNB 102 (implemented using the RF transceivers 372a-372n, the TX processing circuitry 374, and / or the RX processing circuitry 376) support aggregated communications with FDD cells and TDD cells.

[0078] although Figure 3b An example of a gNB 102 is shown, but the Figure 3b For example, gNB 102 can include any number of Figure 3a . As a specific example, an access point can include a number of backhaul or network interfaces 382, ​​and the controller / processor 378 can support routing functions to route data between different network addresses. As another specific example, while shown as including a single instance of TX processing circuitry 374 and a single instance of RX processing circuitry 376, the gNB 102 can include multiple instances of each (such as one for each RF transceiver).

[0079] Exemplary embodiments of the present disclosure are further described below in conjunction with the accompanying drawings.

[0080] The communication system includes a time division duplex (TDD) and a frequency division duplex (FDD) system. In a TDD system, a base station can configure the uplink and downlink attributes in different time resources on a carrier through semi-static signaling and dynamic signaling, for example, uplink transmission time slots / symbols (such as OFDM symbols), downlink transmission time slots / symbols, and flexible time slots / symbols. In an FDD system, a base station can respectively configure different time resources of an uplink carrier in a pair of uplink and downlink carriers as uplink transmission time slots / symbols or flexible time slots / symbols, and different time resources of a downlink carrier as downlink transmission time slots / symbols or flexible time slots / symbols.

[0081] Exemplarily, semi-static signaling may be high-layer signaling. Dynamic signaling may be group-common downlink control information (DCI), which does not schedule physical downlink shared channels (PDSCH) and physical uplink shared channels (PUSCH). Dynamic signaling may also be DCI that schedules physical downlink shared channels (PDSCH) and physical uplink shared channels (PUSCH). The PUSCH here may be a single PUSCH or a PUSCH repetition.

[0082] Compared with the FDD system, the time delay of uplink or downlink transmission in the TDD system is relatively large because the uplink and downlink transmission are time-division multiplexed. For example, according to an uplink and downlink configuration, in a 10ms (millisecond) cycle, only a 1ms time slot is for uplink transmission, and the other time slots are for downlink transmission or flexible transmission, and the maximum delay of uplink transmission is 10ms. In order to reduce the transmission delay, it can be considered to configure part of the frequency domain resources in a carrier as uplink transmission and the other part of the resources as downlink transmission. In order to reduce the mutual influence of uplink and downlink transmission in the same carrier, the uplink and downlink interference can be reduced by means of protection interval.

[0083] Based on the uplink and downlink transmission methods described in the exemplary embodiments of the present application, data transmission performance can be guaranteed and resources can be fully utilized as much as possible under the premise of ensuring data transmission performance.

[0084] In a TDD system, the base station may indicate that a time unit (for example, a time unit includes one or more time slots, or one or more symbols) is an uplink time slot / symbol, or a downlink time slot / symbol, or a flexible transmission time slot / symbol. In the following description, "time unit", "time slot" and "symbol" can be used interchangeably. The UE determines the uplink and downlink transmission direction of each symbol / time slot of a carrier / service cell according to the indication of the base station. Usually, the same symbol of a carrier / service cell only supports transmission in one direction, that is, uplink or downlink transmission, so the base station only needs to indicate the uplink and downlink transmission direction in the time dimension. The base station can indicate periodically, for example, by indicating periodic time slot configuration (SlotConfiguration) through high-level signaling, or by indicating the time slot format (Slot Format) within a period of time through dynamic signaling, or by scheduling to indicate whether the scheduled resources are suitable for uplink transmission or downlink reception. The uplink and downlink attributes of each frequency domain resource in each time slot / symbol are determined by the time slot configuration / format: for uplink transmission, for downlink transmission, or for flexible transmission. Flexible time slots / symbols may be used for both uplink and downlink transmissions, but can only be used for transmission in one direction at a time.

[0085] In an FDD system, for an uplink carrier / service cell, the base station may indicate an uplink or flexible transmission symbol / time slot, and for a downlink carrier / service cell, the base station may indicate a downlink or flexible transmission symbol / time slot. The common UL (UpLink) / DL (DownLink) information of the first type of cell may include information on uplink and downlink attributes in the time dimension. The common UL / DL information of the first type of cell may be used to indicate a period, which time slots / symbols within the period are uplink, downlink or flexible time slots / symbols, respectively, and the indicated uplink and downlink attributes apply to all frequency domain resources within each time slot / symbol of this cell. For example, all frequency domain resources within the bandwidth of this carrier / service cell have the same uplink and downlink attributes within a time slot / symbol.

[0086] In order to allocate uplink and downlink transmission resources more efficiently, the granularity of uplink and downlink transmission resources can be further reduced from all frequency domain resources of one symbol / time slot to part of the frequency domain resources within one symbol / time slot through configuration information. For example, different frequency domain resources in one symbol of a carrier / service cell can be configured with different transmission directions. The configuration information includes cell-common UL / DL information and / or UE-specific UL / DL information. The cell-common UL / DL information may include information on uplink and downlink attributes in the time dimension and the frequency domain dimension. For example, the cell-common UL / DL information may be used to indicate which frequency domain resources of which time slots / symbols are uplink, downlink or flexible transmission resources; or, the cell-common UL / DL information may be used to indicate which frequency domain resources of which time slots / symbols are uplink, downlink or cannot be used as transmission resources. The base station may also configure user-specific UL / DL information, for example, configuring user-specific UL / DL information for each service cell of the UE, or configuring user-specific UL / DL information for each BWP (Bandwidth Part) of the UE. According to the configured UL / DL information, the UE can determine that within a symbol or time slot, part of the frequency domain resources are uplink transmission resources and part of the frequency domain resources are downlink transmission resources, such as Figure 4 As shown. It can also be determined that within a symbol or time slot, all frequency domain resources are uplink transmission resources, and it can also be determined that within a symbol or time slot, all frequency domain resources are downlink transmission resources. The configuration information can be semi-static signaling, for example, high-layer signaling.

[0087] Figure 5 is an exemplary flowchart of a method executed by a user equipment according to an embodiment of the present disclosure.

[0088] In such Figure 5 In the method 500 shown, in step 501, a power control parameter is determined based on information related to the uplink and downlink frequency resource configuration of PUSCH; in step 503, the transmission power of PUSCH is determined according to the determined power control parameter; and in step 505, PUSCH is transmitted according to the determined transmission power.

[0089] pass Figure 5 The method shown can utilize information related to uplink and downlink resource frequency configuration of PUSCH to more reasonably control the power of PUSCH sent by UE, thereby ensuring the performance of PUSCH sent by UE.

[0090] According to one embodiment, the UE may receive downlink control information DCI for scheduling the PUSCH, determine the uplink and downlink frequency resource configuration of the PUSCH according to the DCI, and then determine the corresponding power control parameter according to the determined uplink and downlink frequency resource configuration of the PUSCH and the first corresponding relationship. The first corresponding relationship is used to indicate the association between the uplink and downlink frequency resource configuration and the power control parameter.

[0091] Through this implementation, the DCI for scheduling PUSCH can be used to determine the uplink and downlink resource frequency configuration of PUSCH. Through the determined uplink and downlink resource frequency configuration of PUSCH, the power of UE sending PUSCH can be more reasonably controlled based on the first corresponding relationship, thereby ensuring the performance of PUSCH sent by UE.

[0092] The following describes in detail the case where one DCI schedules at least one PUSCH as an example.

[0093] Exemplarily, the uplink and downlink frequency resource configuration of PUSCH may include the uplink and downlink frequency domain resource distribution status of PUSCH. According to this embodiment, the power of sending PUSCH can be determined based on the uplink and downlink frequency domain resource distribution status of PUSCH and the scheduling information of PUSCH resources (for example, DCI used to schedule PUSCH).

[0094] It can be understood that independent power control parameters can be configured for each uplink and downlink frequency domain resource distribution state. The power control parameters may include open-loop power control parameters and / or closed-loop power control parameters. The open-loop power control parameters may include P O_UE_PUSCH,b,f,c (j) and / or α b,f,c (j), etc. The closed-loop power control parameters may include δ PUSCH,b,f,c (i,l) etc.

[0095] The following description is made by taking two uplink and downlink frequency domain resource distribution states as examples, wherein the first uplink and downlink frequency domain resource distribution state is that within a time unit, part of the frequency domain resources are downlink frequency domain resources, and part of the frequency domain resources are uplink frequency domain resources, such as Figure 6 As shown; the second uplink and downlink frequency domain resource distribution state is that all frequency domain resources in a time unit are uplink frequency domain resources, such as Figure 7 It can be understood that although the following method is described by taking two uplink and downlink frequency domain resource distribution states as an example, the method is also applicable in the case of more than two uplink and downlink frequency domain resource distribution states.

[0096] The UE may receive a correspondence indicating the association between uplink and downlink frequency resource configuration and power control parameters through high-layer signaling, such as shown in Table 1. The correspondence may include an index value, information related to the uplink and downlink frequency resource configuration of the PUSCH, and power control parameters.

[0097] As shown in Table 1, when the index value is "0" and the uplink and downlink frequency domain resource distribution state is the first uplink and downlink frequency domain resource distribution state, P is used. 0_UE_PUSCH,b,f,c _1_1 parameter for power control; when the index value is "0" and the uplink and downlink frequency domain resource distribution state is the second uplink and downlink frequency domain resource distribution state, P 0_UE_PUSCH,b,f,v When the index value is "1" and the uplink and downlink frequency domain resource distribution state is the first uplink and downlink frequency domain resource distribution state, P 0_UE_PUSCH,b,f,c _2_1 parameter for power control; when the index value is "1" and the uplink and downlink frequency domain resource distribution state is the second uplink and downlink frequency domain resource distribution state, P 0_UE_PUSCH,b,f,c _2_2 parameter is used for power control. This example is explained by taking two index values ​​as an example, and it can be understood that the index value can also be greater than two.

[0098]

[0099] Table 1: Correspondence between index value and power control parameter

[0100] When a correspondence indicating the association between uplink and downlink frequency resource configurations and power control parameters as shown in Table 1 is received through high-level signaling, the UE can receive an index value, and then determine the corresponding power control parameters based on the correspondence shown in Table 1 according to the received index value and the determined uplink and downlink frequency resource configurations of the PUSCH.

[0101] The index value may be, for example, a Sounding Reference Signal (SRS) Resource Indicator (SRI) field value. The index value may also be, for example, an Open-Loop Power Control Parameter Set Indication Information field value.

[0102] As described above, the UE may determine the uplink and downlink frequency resource configuration of the PUSCH according to the DCI used to schedule the PUSCH.

[0103] According to one embodiment, the DCI for scheduling the PUSCH may include a field for indicating the uplink and downlink frequency resource configuration of the PUSCH.

[0104] As an example, the indication information specifically used to indicate the uplink and downlink frequency domain resource distribution state in the DCI for scheduling PUSCH can be used for determination, for example, the indication can be made by a bitmap method. For example, the bitmap includes M bits, where M is a positive integer, and the UE obtains it by receiving signaling, and each bit in the bitmap corresponds to a PUSCH. For example, when the bit value is "0", the corresponding frequency domain resource of the PUSCH is the first uplink and downlink frequency domain resource distribution state; when the bit value is "1", the corresponding PUSCH frequency domain resource is the second uplink and downlink frequency domain resource distribution state. The first bit in the bitmap corresponds to the first PUSCH, and so on, the Mth bit in the bitmap corresponds to the Mth PUSCH.

[0105] As another example, it can be determined by using the indication information specifically used to indicate the uplink and downlink frequency domain resource distribution state in the DCI that schedules the PUSCH, for example, the indication information can be 1 bit. For example, the UE obtains the 1-bit indication information by receiving signaling, and the indication information indicates the power control parameters of all PUSCHs scheduled by the DCI. For example, when the bit value is "0", all PUSCH frequency domain resources are in the first (or second) uplink and downlink frequency domain resource distribution state; when the bit value is "1", all PUSCH frequency domain resources are in the second (or first) uplink and downlink frequency domain resource distribution state.

[0106] By determining the power control parameter according to the field included in the DCI for indicating the uplink and downlink frequency resource configuration of the PUSCH, power control can be accurately performed using the existing information indicating the distribution state of uplink and downlink frequency domain resources.

[0107] According to one embodiment, the DCI for scheduling the PUSCH may include a field that can implicitly indicate the uplink and downlink frequency resource configuration of the PUSCH.

[0108] The DCI for scheduling PUSCH may include information that can implicitly determine the uplink and downlink frequency domain resource distribution state. For example, the uplink and downlink frequency domain resource distribution state of the scheduled PUSCH may be determined through the frequency domain resource allocation (FDRA, Frequency Domain Resource Assignment) information. Figure 6 and 7 Taking the two uplink and downlink frequency domain resource distribution states shown as an example, when FDRA is value a, the frequency domain resources of PUSCH are the first uplink and downlink frequency domain resource distribution state, and when FDRA is value b, the frequency domain resources of PUSCH are the second uplink and downlink frequency domain resource distribution state. It can be understood that FDRA can also correspond to more than two uplink and downlink frequency domain resource distribution states, and the uplink and downlink frequency resource configuration of PUSCH can be determined by the specific value of FDRA in DCI.

[0109] By determining power control according to a domain that can implicitly indicate uplink and downlink frequency resource configuration of a PUSCH, power control can be accurately performed even when the UE does not receive information indicating the uplink and downlink frequency domain resource distribution state.

[0110] It is understandable that the uplink and downlink frequency resource configuration of PUSCH may also be determined by signaling other than DCI for scheduling PUSCH. For example, the UE may obtain the uplink and downlink frequency domain resource distribution state of PUSCH by receiving semi-static signaling such as high-layer signaling.

[0111] According to one embodiment, the power control parameter may be determined based on information related to uplink and downlink frequency resource configuration of the PUSCH when certain conditions are met, otherwise other methods for determining the power control parameter may be used.

[0112] For example, one of the following methods 1 or 2 may be selected to perform power control.

[0113] Mode 1: Determine the power of sending PUSCH based on the determined uplink and downlink frequency domain resource distribution state and the scheduling information of PUSCH resources, for example, determine the power control parameter based on the information related to the uplink and downlink frequency resource configuration of PUSCH;

[0114] Method 2: Determine the power for sending PUSCH according to the scheduling information of PUSCH resources.

[0115] For example, the UE can receive the above-described correspondence between the index value, the information related to the uplink and downlink frequency resource configuration of the PUSCH, and the power control parameters as shown in Table 1 through high-level signaling, and the UE can also receive the correspondence between the index value and the power control parameters as shown in Table 2 through high-level signaling.

[0116]

[0117] Table 2: Correspondence between index value and power control parameter

[0118] As an example, power control may be performed by selecting method 1 or method 2 according to the DCI format for scheduling PUSCH.

[0119] When the DCI for scheduling PUSCH is in the first DCI format, the power control parameter can be determined based on information related to the uplink and downlink frequency resource configuration of PUSCH (method 1). Then, the transmit power of PUSCH is determined according to the determined power control parameter, and PUSCH is transmitted according to the determined transmit power.

[0120] As a specific example, when the DCI format for scheduling PUSCH is DCI format 0_x, method 1 is selected for power control, wherein 0_x can be at least one of 0_0, 0_1, and 0_2, and the UE can determine 0_x by receiving signaling or protocol preset, for example, the UE determines 0_x to be 0_1 by protocol preset; or, the UE determines 0_x to be 0_1 or 0_2 by protocol preset. When the DCI format for scheduling PUSCH is DCI format 0_y, method 2 is selected for power control, wherein 0_y can be at least one of 0_0, 0_1, and 0_2, and the UE can determine 0_y by receiving signaling or protocol preset, for example, the UE determines 0_y to be 0_0 or 0_2 by protocol preset; or, the UE determines 0_y to be 0_0 by protocol preset. 0_x and 0_y can be determined by receiving signaling or pre-definition.

[0121] Through this embodiment, power control parameters can be accurately determined to perform power control without additional signaling.

[0122] As another example, the power control may be performed by selecting method 1 or method 2 according to the number of PUSCHs scheduled by the DCI that schedules the PUSCH.

[0123] When the number of PUSCHs scheduled by the DCI scheduling the PUSCH is greater than the threshold, the power control parameter can be determined based on the information related to the uplink and downlink frequency resource configuration of the PUSCH (method 1). Then, according to the determined power control parameter, the transmit power of the PUSCH is determined, and the PUSCH is transmitted according to the determined transmit power.

[0124] As a specific example, when the number of PUSCHs scheduled by a DCI scheduling PUSCH is greater than L, the method of mode 1 is selected for power control; when the number of PUSCHs scheduled by a DCI scheduling PUSCH is less than or equal to L, the method of mode 2 is selected for power control. Wherein, L can be a positive integer, and the UE can receive signaling configuration or protocol preset to determine L. For example, the UE can determine that L is equal to 1 through protocol preset.

[0125] Through this embodiment, power control parameters can be accurately determined to perform power control without additional signaling.

[0126] It can be understood that the power control can also be performed by selecting method 1 or method 2 according to the DCI format for scheduling the PUSCH and the number of PUSCHs scheduled by the DCI.

[0127] For example, when the DCI for scheduling the PUSCH is in the first DCI format and the number of PUSCHs scheduled by the DCI is greater than a threshold, the power control parameter may be determined based on information related to the uplink and downlink frequency resource configuration of the PUSCH (method 1). Then, according to the determined power control parameter, the transmit power of the PUSCH is determined, and the PUSCH is transmitted according to the determined transmit power.

[0128] It can be understood that, when the DCI for scheduling the PUSCH is not in the first DCI format and / or the number of PUSCHs scheduled by the DCI is less than or equal to the threshold, the power control parameter can be determined by the corresponding relationship shown in Table 2. For example, the UE may receive an index value, and then determine the corresponding power control parameter according to the received index value and the corresponding relationship shown in Table 2.

[0129] The index value may be, for example, a Sounding Reference Signal (SRS) Resource Indicator (SRI) field value. The index value may also be, for example, an Open-Loop Power Control Parameter Set Indication Information field value.

[0130] According to one embodiment, when an indication is received through high-layer signaling, the power control parameter may be determined based on information related to uplink and downlink frequency resource configuration of the PUSCH, otherwise other methods for determining the power control parameter may be used.

[0131] According to one embodiment, the indication received through the high-layer signaling may include information related to the corresponding relationship for indicating the association between the uplink and downlink frequency resource configuration and the power control parameter. According to another embodiment, the indication received through the high-layer signaling may include indication information for indicating that the power control parameter is determined based on information related to the uplink and downlink frequency resource configuration of the PUSCH, wherein the indication information may be 1-bit information.

[0132] For example, one of the following methods 1 or 2 may be selected to perform power control.

[0133] Mode 1: Determine the power of sending PUSCH based on the determined uplink and downlink frequency domain resource distribution state and the scheduling information of PUSCH resources, for example, determine the power control parameter based on the information related to the uplink and downlink frequency resource configuration of PUSCH;

[0134] Method 2: Determine the power for sending PUSCH according to the scheduling information of PUSCH resources.

[0135] For example, the UE can receive the above-described correspondence between the index value, the information related to the uplink and downlink frequency resource configuration of the PUSCH, and the power control parameters as shown in Table 1 through high-level signaling, and the UE can also receive the correspondence between the index value and the power control parameters as shown in Table 2 through high-level signaling.

[0136] As an example, if the UE receives information related to the correspondence relationship for indicating the association between the uplink and downlink frequency resource configuration and the power control parameter, power control is performed in accordance with mode 1, for example, the power control parameter is determined based on the information related to the uplink and downlink frequency resource configuration of the PUSCH. The information related to the correspondence relationship for indicating the association between the uplink and downlink frequency resource configuration and the power control parameter may be a correspondence relationship for indicating the association between the uplink and downlink frequency resource configuration and the power control parameter as shown in Table 1. In this case, if the UE receives Table 1, the power control parameter is determined based on the information related to the uplink and downlink frequency resource configuration of the PUSCH. If the UE does not receive Table 1, power control is performed in accordance with mode 2.

[0137] As another example, if the UE receives indication information for indicating the determination of power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH, for example, indicating the configuration of jointly determining the power of sending the PUSCH according to the determined uplink and downlink frequency domain resource distribution state and the scheduling information of the PUSCH resources, then the power of sending the PUSCH is jointly determined according to the determined uplink and downlink frequency domain resource distribution state and the scheduling information of the PUSCH resources. If the UE does not receive the configuration of jointly determining the power of sending the PUSCH according to the determined uplink and downlink frequency domain resource distribution state and the scheduling information of the PUSCH resources, then the power of sending the PUSCH is determined according to the scheduling information of the PUSCH resources. The indication information can be 1-bit information. For example, when the indication information is 0, the power of sending the PUSCH can be jointly determined according to the determined uplink and downlink frequency domain resource distribution state and the scheduling information of the PUSCH resources (method 1); when the indication information is 1, the power of sending the PUSCH can be determined according to the scheduling information of the PUSCH resources (method 2).

[0138] According to this embodiment, when an indication is received through high-layer signaling, power control parameters are determined based on information related to uplink and downlink frequency resource configuration of PUSCH, so that it can be flexibly determined whether to use the information related to uplink and downlink frequency resource configuration of PUSCH for power control.

[0139] According to one embodiment, when power control is performed on a configured grant (CG) PUSCH, the uplink and downlink frequency resource configuration of the PUSCH can be determined based on the configuration and activation scheduling information for the PUSCH resources, and then the power control parameters can be determined based on the determined uplink and downlink frequency resource configurations of the PUSCH and a second correspondence, wherein the second correspondence is used to indicate the association between the uplink and downlink frequency resource configurations and the power control parameters.

[0140] According to one embodiment, the configuration and activation scheduling information of the PUSCH resources may include: configuration information for configuring the permitted CG type 1 PUSCH, and activation scheduling information for the CG type 2 PUSCH.

[0141] As mentioned above, independent power control parameters are configured for each uplink and downlink frequency domain resource distribution state. The power control parameters may include open-loop power control parameters and / or closed-loop power control parameters. The open-loop power control parameters may include P O_UE_PUSCH,b,f,c (j) and / or α b,f,c (j), etc. The closed-loop power control parameters may include δ PUSCH,b,f,c (i,l) etc.

[0142] The following description is made by taking two uplink and downlink frequency domain resource distribution states as examples, wherein the first uplink and downlink frequency domain resource distribution state is that within a time unit, part of the frequency domain resources are downlink frequency domain resources, and part of the frequency domain resources are uplink frequency domain resources, such as Figure 6 As shown; the second uplink and downlink frequency domain resource distribution state is that all frequency domain resources in a time unit are uplink frequency domain resources, such as Figure 7 It can be understood that although the following method is described by taking two uplink and downlink frequency domain resource distribution states as an example, the method is also applicable in the case of more than two uplink and downlink frequency domain resource distribution states.

[0143] The UE receives the high-level signaling configuration to obtain the power control parameters for each uplink and downlink frequency domain resource distribution, as shown in Table 3. When the uplink and downlink frequency domain resource distribution state is the first uplink and downlink frequency domain resource distribution state, P can be used. 0_UE_PUSCH,b,f,c _1 parameter for power control. When the uplink and downlink frequency domain resource distribution state is the second uplink and downlink frequency domain resource distribution state, P 0_UE_PUSCH,b,f,c _2 parameters for power control.

[0144]

[0145] Table 3: Correspondence between uplink and downlink frequency domain resource distribution and power control parameters

[0146] It is understandable that the uplink and downlink frequency resource configuration of PUSCH can also be determined by signaling other than the configuration of scheduling CG PUSCH resources and activation scheduling information. For example, the UE can obtain the uplink and downlink frequency domain resource distribution state of PUSCH by receiving semi-static signaling such as high-layer signaling.

[0147] According to one embodiment, when an indication is received through high-layer signaling, the power control parameter may be determined based on information related to uplink and downlink frequency resource configuration of the PUSCH, otherwise other methods for determining the power control parameter may be used.

[0148] According to one embodiment, the indication received through the high-layer signaling may include information related to the corresponding relationship for indicating the association between the uplink and downlink frequency resource configuration and the power control parameter. According to another embodiment, the indication received through the high-layer signaling may include indication information for indicating that the power control parameter is determined based on information related to the uplink and downlink frequency resource configuration of the PUSCH, wherein the indication information may be 1-bit information.

[0149] For example, one of the following methods 3 or 4 may be selected to perform power control.

[0150] Mode 3: Determine the power for sending the PUSCH according to the determined uplink and downlink frequency domain resource distribution state and the configuration and activation scheduling information of the PUSCH resources.

[0151] Mode 4: Determine the power for sending the PUSCH according to the configuration of the PUSCH resources and activation scheduling information of the PUSCH resources.

[0152] For example, the UE may receive the corresponding relationship described in Table 3 through high-layer signaling, and the UE may perform power control according to Mode 3; if the UE does not receive the corresponding relationship described in Table 3, the UE may perform power control according to Mode 4.

[0153] For example, if the UE receives indication information for indicating the determination of power control parameters based on information related to the uplink and downlink frequency resource configuration of the PUSCH, for example, indicating the configuration of the power for sending the PUSCH is determined jointly according to the determined uplink and downlink frequency domain resource distribution state and the configuration of the PUSCH resources and the activation scheduling information, then the power for sending the PUSCH is determined jointly according to the determined uplink and downlink frequency domain resource distribution state and the configuration of the PUSCH resources and the activation scheduling information. If the UE does not receive the configuration of the power for sending the PUSCH is determined jointly according to the determined uplink and downlink frequency domain resource distribution state and the configuration of the PUSCH resources and the activation scheduling information, then the power for sending the PUSCH is determined according to the configuration of the PUSCH resources and the activation scheduling information. The indication information may be 1-bit information. For example, when the indication information is 0, the power for sending the PUSCH may be determined jointly according to the determined uplink and downlink frequency domain resource distribution state and the configuration of the PUSCH resources and the activation scheduling information (mode 3); when the indication information is 1, the power for sending the PUSCH may be determined according to the configuration of the PUSCH resources and the activation scheduling information (mode 4).

[0154] It can be understood that the power control parameter determination method used by the DCI-scheduled PUSCH and the power control parameter determination method used by the CG PUSCH can be determined independently.

[0155] For example, the power control parameter determination method used by the DCI-scheduled PUSCH is determined by the first signaling. For example, the power control parameter determination method used by the DCI-scheduled PUSCH in mode 2 can be determined by the first signaling. Of course, the power control parameter used by the DCI-scheduled PUSCH can also be predefined.

[0156] The power control parameter determination method adopted by the CG PUSCH is determined through the second signaling. For example, the power control parameter determination method adopted by the CG PUSCH in mode 3 can be determined through the second signaling. Of course, the power control parameters adopted by the CG PUSCH can also be predefined.

[0157] Figure 8 is an exemplary flowchart of a method executed by a user equipment according to an embodiment of the present disclosure.

[0158] In such Figure 8 In the method 800 shown, in step 801, N sets of power control parameters are received through high-layer signaling, where N is greater than or equal to 4; in step 803, a set of power control parameters is determined from the N sets of power control parameters according to open-loop power control parameter set indication information OPCI; in step 805, the transmit power of the PUSCH is determined according to the determined power control parameters; and in step 807, the PUSCH is transmitted according to the determined transmit power. According to one embodiment, the OPCI may be 2 bits or 3 bits.

[0159] Through the method of this embodiment, the open-loop power control parameter set indication information OPCI can contain a larger amount of information. By controlling the power of the UE to send the PUSCH through OPCI, the UE can more reasonably determine the power to send the PUSCH.

[0160] According to an embodiment, when OPCI is 2 bits, the mapping relationship between OPCI and the open-loop power control parameter may be as shown in Table 4. In this case, the UE may receive 4 sets of power control parameters through high-layer signaling, and select one set from the 4 sets of parameters as the power control parameter of the PUSCH according to OPCI. For example, when OPCI is 11, the power control parameter is the third value of P0-PUSCH-Set.

[0161]

[0162] Table 4: OPCI and power control parameter correspondence table

[0163] According to an embodiment, when OPCI is 3 bits, the mapping relationship between OPCI and open-loop power control parameters may be as shown in Table 5. In this case, the UE may receive 6 sets of power control parameters through high-layer signaling, and select one set from the 6 sets of parameters as the power control parameter of the PUSCH according to OPCI.

[0164]

[0165] Table 5: OPCI and power control parameter correspondence table

[0166] Through this implementation, the transmission power of PUSCH can be controlled according to whether the resources for transmitting PUSCH have been interfered by PUSCH transmission of other UEs, and whether the PUSCH resources are in the first uplink and downlink frequency domain resource distribution state or the second uplink and downlink frequency domain resource distribution state.

[0167] The above method described in the present disclosure may be executed by a UE including a transceiver and a processor. Fig. 9 900 according to the present disclosure. Fig. 9 As shown, UE 900 includes a transceiver 910 and a processor 920 coupled to the transceiver 910. The transceiver 910 is configured to send signals and receive signals. The processor 920 is configured to perform one or more operations described above in combination with the specific embodiments, thereby causing the UE to perform the UE execution method described in the present disclosure. For example, the processor 920 is configured to: determine a power control parameter based on information related to the uplink and downlink frequency resource configuration of the PUSCH; determine the transmit power of the PUSCH according to the determined power control parameter; and transmit the PUSCH according to the determined transmit power.

[0168] The present disclosure may also be implemented as a computer storage medium. The computer storage medium stores computer instructions. When the computer instructions are executed by the processor 920 of the UE 900, the processor 920 performs one or more operations described above in conjunction with the specific embodiments, thereby implementing the method performed by the UE described in the present disclosure.

[0169] According to an embodiment of the present disclosure, a method performed by a base station in a communication system may include: sending information related to uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH to a user equipment UE; and receiving the PUSCH from the UE. The PUSCH is sent by the UE at a transmission power determined based on the information related to the uplink and downlink frequency resource configuration of the PUSCH.

[0170] According to an embodiment of the present disclosure, a method performed by a base station in a communication system may include: sending N sets of power control parameters to a user equipment UE through high-layer signaling, where N is greater than or equal to 4; sending open-loop power control parameter set indication information OPCI to the UE; and receiving a physical uplink shared channel PUSCH from the UE. The PUSCH is sent by the UE at a transmission power determined by the power control parameter indicated by the OPCI.

[0171] The above method described in the present disclosure may be performed by a base station including a transceiver and a processor. According to one embodiment, the base station may include a transceiver and a processor coupled to the transceiver. The transceiver is configured to send signals and receive signals. The processor is configured to perform one or more operations as described above in conjunction with the specific embodiments, thereby causing the base station to perform the method performed by the base station described in the present disclosure. For example, the processor is configured to: send information related to the uplink and downlink frequency resource configuration of the physical uplink shared channel PUSCH to the user equipment UE; and receive the PUSCH from the UE.

[0172] The present disclosure may also be implemented as a computer storage medium. The computer storage medium stores computer instructions. When the computer instructions are executed by a processor of a base station, the processor performs one or more operations described above in conjunction with the specific embodiments, thereby implementing the method performed by the base station described in the present disclosure.

[0173] It can be understood that “at least one of / at least one” described in the present disclosure includes any and / or all possible combinations of the listed items, the various embodiments described in the present disclosure and the various examples in the embodiments can be changed and combined in any appropriate form, and the “ / ” described in the present disclosure means “and / or”.

[0174] The various illustrative logical blocks, modules, and circuits described in the present disclosure may be implemented or executed with 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. A general purpose processor may be a microprocessor, but in an alternative, 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, a plurality of microprocessors, one or more microprocessors cooperating with a DSP core, or any other such configuration.

[0175] The steps of the method or algorithm described in the present disclosure can be directly embodied in hardware, in a software module executed by a processor, or in a combination of the two. The software module can reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a 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 from / to the storage medium. In an alternative, a storage medium can be integrated into a processor. The processor and the storage medium can reside in an ASIC. The ASIC can reside in a user terminal. In an alternative, the processor and the storage medium can reside in a user terminal as discrete components.

[0176] In one or more exemplary designs, the functions may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted as one or more instructions or codes on a computer-readable medium. Computer-readable media include both computer storage media and communication media, the latter including any media that facilitates the transfer of a computer program from one place to another. Storage media may be any available media that can be accessed by a general or special purpose computer.

[0177] The descriptions set forth herein, in conjunction with the accompanying drawings, describe example configurations, methods, and apparatus, and do not represent all examples that may be implemented or within the scope of the claims. The term "example" as used herein means "used as an example, instance, or illustration," rather than "preferred" or "superior to other examples." The detailed description includes specific details for the purpose of providing an understanding of the described techniques. However, these techniques may be practiced without these specific details. In some cases, well-known structures and devices are shown in block diagram form to avoid obscuring the concepts of the described examples.

[0178] Although this specification contains a number of specific implementation details, these should not be interpreted as limitations on any invention or the scope of the claimed protection, but rather as descriptions of specific features of specific embodiments of specific inventions. Certain features described in this specification in the context of separate embodiments may also be implemented in combination in a single embodiment. On the contrary, the various features described in the context of a single embodiment may also be implemented separately in multiple embodiments or in any suitable sub-combination. In addition, although features may be described above as working in certain combinations, and even initially claimed as such, in some cases, one or more features from the claimed combination may be deleted from the combination, and the claimed combination may be directed to a sub-combination or a variation of the sub-combination.

[0179] It should be understood that the specific order or hierarchy of steps in the method of the present invention 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 the present invention. The attached method claims present the elements of various steps in an example order and are not meant to be limited to the specific order or hierarchy presented unless otherwise specifically stated. In addition, although elements can be described or claimed in the singular, the plural number is also contemplated unless a limitation to the singular is explicitly stated. Therefore, the present disclosure is not limited to the examples shown, and any device for performing the functions described herein is included in the various aspects of the present disclosure.

[0180] The text and drawings are provided as examples only to help readers understand the present disclosure. They are not intended and should not be interpreted as limiting the scope of the present disclosure in any way. Although certain embodiments and examples have been provided, it is obvious to those skilled in the art based on what is disclosed herein that the embodiments and examples shown may be changed without departing from the scope of the present disclosure.

Claims

1. A method performed by a user equipment UE in a communication system, comprising: Determine a power control parameter based on information related to uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH; Determining the transmit power of the PUSCH according to the determined power control parameter; and The PUSCH is transmitted according to the determined transmission power.

2. The method of claim 1, wherein: Determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH includes: Receiving downlink control information DCI for scheduling the PUSCH; Determine uplink and downlink frequency resource configuration of the PUSCH according to the DCI; and A corresponding power control parameter is determined according to the determined uplink and downlink frequency resource configurations of the PUSCH and a first corresponding relationship, where the first corresponding relationship is used to indicate an association between the uplink and downlink frequency resource configurations and the power control parameter.

3. The method of claim 2, wherein: The first correspondence is received through high-layer signaling, and the first correspondence includes an index value, information related to uplink and downlink frequency resource configuration of the PUSCH, and a power control parameter, wherein determining the power control parameter includes: receiving an index value; and According to the received index value and the determined uplink and downlink frequency resource configuration of the PUSCH, a corresponding power control parameter is determined based on the first corresponding relationship.

4. The method of claim 2, wherein: The uplink and downlink frequency resource configuration of the PUSCH is determined based on a field included in the DCI and used to indicate the uplink and downlink frequency resource configuration of the PUSCH; or The uplink and downlink frequency resource configuration of the PUSCH is determined based on the frequency domain resource allocation FDRA information included in the DCI.

5. The method of claim 1, wherein: Determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH includes: Determining uplink and downlink frequency resource configuration of the PUSCH according to the configuration and activation scheduling information for the PUSCH resources; and A corresponding power control parameter is determined according to the determined uplink and downlink frequency resource configuration of the PUSCH and a second corresponding relationship, where the second corresponding relationship is used to indicate an association between the uplink and downlink frequency resource configuration and the power control parameter.

6. The method of claim 5, wherein: The configuration and activation scheduling information of the PUSCH resources include: configuration information for the configuration-permitted CG type 1 PUSCH, and activation scheduling information for the CG type 2 PUSCH.

7. The method of claim 1, wherein: Determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH includes: When the downlink control information DCI used to schedule the PUSCH is in the first DCI format and / or the number of PUSCHs scheduled by the DCI is greater than a threshold, a power control parameter is determined based on information related to uplink and downlink frequency resource configuration of the PUSCH.

8. The method of claim 7, further comprising: When the DCI for scheduling the PUSCH is not in the first DCI format and / or the number of PUSCHs scheduled by the DCI is less than or equal to the threshold, determining the power control parameter includes: receiving an index value; and A corresponding power control parameter is determined according to the received index value and a third corresponding relationship, wherein the third corresponding relationship includes the index value and the power control parameter.

9. The method according to claim 3 or 8, wherein: The index value includes: a sounding reference signal SRS resource indication SRI field value or an open-loop power control parameter set indication information OPCI.

10. The method of claim 1, wherein: Determining the power control parameter based on the information related to the uplink and downlink frequency resource configuration of the PUSCH includes: When an instruction is received through higher layer signaling, the power control parameter is determined based on information related to uplink and downlink frequency resource configuration of the PUSCH.

11. The method of claim 10, wherein: The indication received through high-layer signaling includes: Information related to a correspondence relationship indicating an association between uplink and downlink frequency resource configurations and power control parameters; or Indication information used to indicate that a power control parameter is determined based on information related to uplink and downlink frequency resource configuration of the PUSCH.

12. The method of claim 11, wherein: The indication information is 1 bit of information.

13. A method performed by a user equipment UE in a communication system, comprising: Receiving N sets of power control parameters through high-layer signaling, where N is greater than or equal to 4; Determining a set of power control parameters from the N sets of power control parameters according to the open-loop power control parameter set indication information OPCI; Determining the transmit power of a physical uplink shared channel PUSCH according to the determined power control parameter; and The PUSCH is transmitted according to the determined transmission power.

14. The method of claim 13, wherein: The OPCI is 2 bits or 3 bits.

15. A user equipment UE in a wireless communication system, comprising: Transceiver; as well as A processor is coupled to the transceiver and configured to execute the method according to any one of claims 1 to 14.

16. A method performed by a base station in a communication system, comprising: Sending information related to uplink and downlink frequency resource configuration of a physical uplink shared channel PUSCH to a user equipment UE; as well as A PUSCH is received from the UE, wherein the PUSCH is sent by the UE at a transmission power determined based on information related to uplink and downlink frequency resource configuration of the PUSCH.

17. A method performed by a base station in a communication system, comprising: Sending N sets of power control parameters to a user equipment UE through high-layer signaling, where N is greater than or equal to 4; Sending open-loop power control parameter set indication information OPCI to the UE; as well as A physical uplink shared channel (PUSCH) is received from the UE, wherein the PUSCH is sent by the UE at a transmission power determined based on a power control parameter indicated by the OPCI.

18. A base station in a wireless communication system, comprising: Transceiver; as well as A processor is coupled to the transceiver and configured to execute the method of claim 16 or 17.

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