Method and device for wireless communication

Abstract

The invention discloses a method and a device for wireless communication. A first node receives a first signaling, wherein the first signaling indicates a first time-frequency resource set; sending a first signal in the first time-frequency resource set; the sending power of the first signal is a first power value, the first power value depends on a first power parameter set, and a first reference signal resource is associated with the first power parameter set; the time domain resource occupied by the first time frequency resource set comprises a first symbol set, and the first symbol set comprises at least one symbol configured as an uplink by a TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set comprises at least one symbol which is configured as a downlink by TDD uplink and downlink configuration signaling and is used for uplink transmission. According to the invention, the problem of power configuration of the PUSCH in an SBFD scene is solved, interference between symbols is avoided, and power consistency is ensured.

Description

Technical Field

[0001] The present application relates to a transmission method and device in a wireless communication system, and in particular to a scheme and device related to SBFD (Subband Full-Duplex) in a wireless communication system. Background Art

[0002] In traditional wireless communications, data transmission and interaction between communication devices are often carried out through FDD (Frequency Division Duplex) and TDD (Time Division Duplex). For TDD spectrum, both the base station and UE (User Equipment) work in half-duplex mode. This half-duplex mode avoids self-interference and can alleviate the impact of cross-link interference (CLI), but it also brings problems such as reduced resource utilization and increased latency. With the continuous development of the 5G industry, in order to meet the needs of ultra-large uplink bandwidth and ultra-low latency, it is necessary to support a more flexible full-duplex mode. In the 3GPP RAN#88e meeting and the 3GPP Rel-18 (Release-18, Version 18) workshop, supporting a more flexible duplex mode or full-duplex mode in NR Rel-18 has received widespread attention and discussion, especially the subband non-overlapping full-duplex (SBFD) mode on the gNB (NR Node B) side. In this mode, the problems of latency and uplink bandwidth requirements have been preliminarily solved. Summary of the invention

[0003] In the current standard, the power control parameters P0, alpha and pathlossReference of the PUSCH (Physical Uplink Shared Channel) uplink power of the traditional UE are pre-configured by RRC (Radio Resource Control) in the absence of SRI (Scheduling Request Indication) indication. In SBFD (Subband non-overlapping Full Duplex) mode, if PUSCH occupies both traditional UL (Uplink) symbols and SBFD symbols, the traditional power control method needs to be reconsidered.

[0004] In response to the above problems, the present application discloses a solution. It should be noted that although the original intention of the present application is for SBFD scenarios, the present application can also be applied to other non-SBFD scenarios; further, the use of a unified design scheme for different scenarios (such as other non-SBFD scenarios, including but not limited to capacity enhancement systems, short-range communication systems, unlicensed frequency domain communications, IoT (Internet of Things), URLLC (Ultra Reliable Low Latency Communication) networks, Internet of Vehicles, etc.) can also help reduce hardware complexity and cost. In the absence of conflict, the embodiments and features in any node of the present application can be applied to any other node. In the absence of conflict, the embodiments and features in the embodiments of the present application can be arbitrarily combined with each other.

[0005] In particular, the interpretation of the terminology, nouns, functions, and variables in this application (if not otherwise specified) can refer to the definitions in the 3GPP specification protocols TS38 series and TS37 series. If necessary, reference can be made to 3GPP standards TS38.211, TS38.212, TS38.213, TS38.214, TS38.215, TS38.300, TS38.304, TS38.305, TS38.321, TS38.331, TS37.355, TS38.423 to assist in understanding this application.

[0006] As an example, the interpretation of the terms in the present application refers to the definitions of the TS38 series of specification protocols of 3GPP.

[0007] As an example, the interpretation of the terms in the present application refers to the definitions of the TS37 series of specification protocols of 3GPP.

[0008] The present application discloses a method in a first node used for wireless communication, which includes:

[0009] receiving a first signaling indicating a first time-frequency resource set;

[0010] Sending a first signal in the first set of time-frequency resources;

[0011] Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0012] As an embodiment, the problem to be solved by the present application includes: in a SBFD scenario, the relationship between the transmission power parameter of the first node and whether the first symbol set includes a SBFD symbol.

[0013] As an embodiment, the above method has the characteristic that: in the SBFD scenario, the first power parameter set is determined according to whether the first symbol set includes a SBFD symbol.

[0014] As an embodiment, the characteristics of the above method are: the present application is applicable to legacy UE and SBFD-aware UE in a unified development manner. As an embodiment, the characteristics of the present application include: when the PUSCH includes SBFD symbols, the power parameters used are all configured according to the SBFD mode, thereby ensuring the power consistency of the entire PUSCH.

[0015] As an embodiment, the benefits of the above method include: designing a transmission power parameter of an uplink data channel in a SBFD scenario.

[0016] As an embodiment, the benefits of the above method include: when the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission, the consistency of the entire uplink transmission power can be guaranteed and interference can be reduced.

[0017] As an embodiment, the benefits of the above method include: when the first symbol set does not include symbols configured as downlink by TDD uplink and downlink configuration signaling and used for uplink transmission, it can be ensured that the uplink transmission power is not affected and legacy UE can be used normally.

[0018] According to one aspect of the present application, the above method is characterized in that; when the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

[0019] As an embodiment, the characteristic of the above method is that: the first reference signal resource depends on whether the first symbol set includes symbols configured as downlink symbols by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0020] As an embodiment, the above method has the following benefits: compatibility with SBFD scenarios and non-SBFD scenarios, ensuring that legacy UEs can also perform normal uplink transmission.

[0021] As an embodiment, the advantages of the above method include: minor changes to the standard and good backward compatibility.

[0022] According to one aspect of the present application, the above method is characterized in that the first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

[0023] As an embodiment, the above method is characterized in that: the first candidate reference signal resource and the second candidate reference signal resource are resources in a first reference resource set and a second reference resource set respectively.

[0024] As an embodiment, the benefits of the above method include: resource allocation can be dynamically adjusted according to network conditions to reduce resource waste.

[0025] As an embodiment, the advantages of the above method include: minor changes to the standard and good backward compatibility.

[0026] According to one aspect of the present application, the above method is characterized in that the first signaling dynamically schedules the first signal, and the DCI format adopted by the first signaling includes a domain outside the SRI domain.

[0027] As an embodiment, the characteristic of the above method is that the DCI format adopted by the first signaling does not include the SRI field.

[0028] As an embodiment, the advantages of the above method include: minor changes to the standard and good backward compatibility.

[0029] According to one aspect of the present application, the above method is characterized in that the first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

[0030] According to one aspect of the present application, the above method is characterized in that, when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, the measurement in the first candidate reference signal resource is used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

[0031] As an embodiment, the characteristic of the above method is that when the first reference signal resource is the first candidate reference signal resource, the uplink power parameter will be determined by the first reference signal resource.

[0032] As an embodiment, the benefits of the above method include: ensuring consistency of uplink power parameters in the SBFD scenario and reducing interference.

[0033] According to one aspect of the present application, the above method is characterized in that, when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, the measurement in the second candidate reference signal resource is used to determine the second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

[0034] As an embodiment, the characteristic of the above method is that when the first reference signal resource is the second candidate reference signal resource, the uplink power parameter will be determined by the second reference signal resource.

[0035] As an embodiment, the advantages of the above method include: having little impact on the standard on the traditional UL symbol and having good compatibility.

[0036] The present application discloses a method in a second node used for wireless communication, comprising:

[0037] Sending a first signaling, where the first signaling indicates a first time-frequency resource set;

[0038] Receiving a first signal in the first set of time-frequency resources;

[0039] Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0040] According to one aspect of the present application, the above method is characterized in that; when the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

[0041] According to one aspect of the present application, the above method is characterized in that; the first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

[0042] According to one aspect of the present application, the above method is characterized in that: the first signaling dynamically schedules the first signal, and the DCI format adopted by the first signaling includes a domain outside the SRI domain.

[0043] According to one aspect of the present application, the above method is characterized in that: the first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

[0044] According to one aspect of the present application, the above method is characterized in that; when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, the measurement in the first candidate reference signal resource is used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

[0045] According to one aspect of the present application, the above method is characterized in that; when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, the measurement in the second candidate reference signal resource is used to determine the second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

[0046] The present application discloses a device for a first node used for wireless communication, comprising:

[0047] A first receiver receives a first signaling, where the first signaling indicates a first time-frequency resource set;

[0048] A first transmitter sends a first signal in the first time-frequency resource set;

[0049] Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0050] The present application discloses a device for a second node used for wireless communication, comprising:

[0051] A second transmitter sends a first signaling, where the first signaling indicates a first time-frequency resource set;

[0052] A second receiver receives a first signal in the first time-frequency resource set;

[0053] Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0055] Figure 1 A flowchart showing first node transmission according to an embodiment of the present application is shown;

[0056] Figure 2 A schematic diagram of a network architecture according to an embodiment of the present application is shown;

[0057] Figure 3 A schematic diagram showing an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application;

[0058] Figure 4 A schematic diagram showing a first communication device and a second communication device according to an embodiment of the present application is shown;

[0059] Figure 5 A flow chart showing transmission between a first node and a second node according to an embodiment of the present application is shown;

[0060] Figure 6 A schematic diagram showing a relationship between a first power value and a first power parameter set according to an embodiment of the present application;

[0061] Figure 7 A schematic diagram showing a relationship between a first reference signal resource, a first candidate reference signal resource, and a second candidate reference signal resource according to an embodiment of the present application;

[0062] Figure 8 A schematic diagram of a first type of time domain resource set and a second type of time domain resource set according to an embodiment of the present application is shown;

[0063] Fig. 9 A first signaling schematic diagram according to an embodiment of the present application is shown;

[0064] Fig.10A schematic diagram showing a first candidate reference signal determining a first power parameter according to an embodiment of the present application is shown;

[0065] Fig.11 A schematic diagram showing a second power parameter determined by a second candidate reference signal according to an embodiment of the present application is shown;

[0066] Fig.12 A structural block diagram of a processing device used in a first node according to an embodiment of the present application is shown;

[0067] Fig.13 A structural block diagram of a processing device used in a second node according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0068] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily.

[0069] Example 1

[0070] Embodiment 1 illustrates a flowchart of the first node transmission according to an embodiment of the present application, as shown in the attached Figure 1 As shown in the attached Figure 1 In the example, each box represents a step. In particular, the order of the steps in the box does not represent a specific time sequence between the steps.

[0071] In step 101, the first node receives a first signaling indicating a first time-frequency resource set; in step 102, the first node sends a first signal in the first time-frequency resource set.

[0072] In embodiment 1, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and a first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0073] As an embodiment, the first signaling includes DCI.

[0074] As an embodiment, the physical layer channel occupied by the first signaling includes PDCCH.

[0075] As an embodiment, the DCI format adopted by the first signaling is DCI format 00.

[0076] As an embodiment, the first signaling explicitly indicates the first time-frequency resource set.

[0077] As an embodiment, the first signaling implicitly indicates the first time-frequency resource set.

[0078] As an embodiment, the first signaling includes one or more RRC IEs.

[0079] As an embodiment, the first signaling includes one or more fields in an RRC IE.

[0080] As an embodiment, the first signaling includes one or more fields in the BWP-UplinkDedicated IE.

[0081] As an embodiment, the first signaling includes one or more fields in the ConfiguredGrantConfig IE.

[0082] As an embodiment, the first signaling includes one or more parameters in the rrc-ConfiguredUplinkGrant field.

[0083] As an embodiment, the first signaling is used to schedule the first signal.

[0084] As an embodiment, the first time-frequency resource set occupies a positive integer number of multi-carrier symbols in the time domain, and occupies frequency domain resources corresponding to a positive integer number of RBs in the frequency domain.

[0085] As an embodiment, the physical layer channel occupied by the first signal includes PUSCH.

[0086] As an embodiment, the transmission channel occupied by the first signal includes UL-SCH.

[0087] As an embodiment, the first signal is generated by at least one transmission block.

[0088] As an embodiment, the unit of the first power value is milliwatt.

[0089] As an embodiment, the unit of the first power value is dBm.

[0090] As an embodiment, the first power parameter set is used to determine the first power value.

[0091] As an embodiment, the first power parameter set is used to determine P in TS 38.213.CMAX，f，c(j) .

[0092] As an embodiment, the first power parameter set includes P in TS 38.213. CMAx，f，c (j).

[0093] As an embodiment, the first power parameter set is used to determine P in TS 38.213. O_NOMINAL，PUSCH，f，c (j).

[0094] As an embodiment, the first power parameter set includes P in TS 38.213. O_NOMINAL，PUSCH，f，c (j).

[0095] As an embodiment, the first power parameter set is used to determine P in TS 38.213. O_UE_PUSCH，b，f，c (j).

[0096] As an embodiment, the first power parameter set includes P in TS 38.213. O_UE_PUSCH，b，f，c (j).

[0097] As an embodiment, the first power parameter set is used to determine α in TS 38.213. b，f，c (j).

[0098] As an embodiment, the first power parameter set includes α in TS 38.213. b，f，c (j).

[0099] As an embodiment, the first power parameter set is used to determine PL b，f，c (q d ).

[0100] As an embodiment, the first power parameter set is used to determine a PUSCH-PathlossReferenceRS-Id, and the Pathloss obtained by measuring the RS in the RS resource corresponding to the PUSCH-PathlossReferenceRS-Id is used to determine the first power value.

[0101] As an embodiment, the first power parameter set corresponds to a P0-PUSCH-AlphaSetId.

[0102] As an embodiment, the first power parameter set corresponds to a PUSCH-PathlossReferenceRS.

[0103] As an embodiment, the association between the first reference signal resource and the first power parameter set means that: the first reference signal resource is used to determine the first power parameter set.

[0104] As an embodiment, the association between the first reference signal resource and the first power parameter set means that: the first reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id, the first power parameter set corresponds to a P0-PUSCH-AlphaSetId, and the PUSCH-PathlossReferenceRS-Id and the P0-PUSCH-AlphaSetId are associated with the same SRI-PUSCH-PowerControlId.

[0105] As an embodiment, the association between the first reference signal resource and the first power parameter set means that: the first reference signal resource and the first power parameter set are determined by a SRI-PUSCH-PowerControl domain.

[0106] As an embodiment, the first reference signal resource includes an SSB.

[0107] As an embodiment, the first reference signal resource includes a CSI-RS resource.

[0108] As an embodiment, the first reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id.

[0109] As an embodiment, the first reference signal resource corresponds to an SSB-Index.

[0110] As an embodiment, the first reference signal resource corresponds to an NZP-CSI-RS-ResourceId.

[0111] As an embodiment, the first reference signal resource corresponds to a TCI-State.

[0112] As an embodiment, the first reference signal resource corresponds to a TCI-StateId.

[0113] As an embodiment, the first symbol set includes at least one symbol.

[0114] As an embodiment, the first symbol set includes multiple multi-carrier symbols.

[0115] As an embodiment, the first symbol set includes at least one uplink symbol.

[0116] As an embodiment, the multi-carrier symbol described in the present application is a SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol.

[0117] As an embodiment, the multi-carrier symbol in the present application is a FBMC (Filter Bank MultiCarrier) symbol.

[0118] As an embodiment, the multi-carrier symbol described in the present application is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

[0119] As an embodiment, the symbol described in the present application is obtained after the output of a transform precoding is subjected to OFDM symbol generation.

[0120] As an embodiment, the multi-carrier symbol described in the present application is a DFT-s-OFDM (Discrete Fourier Transform-spread-OFDM) symbol.

[0121] As an embodiment, the multi-carrier symbols described in the present application include CP-OFDM (Cyclic Prefix-OFDM, cyclic prefix-orthogonal frequency division multiplexing) symbols.

[0122] As an embodiment, the TDD uplink and downlink configuration signaling includes higher layer signaling.

[0123] As an embodiment, the TDD uplink and downlink configuration signaling includes semi-static signaling.

[0124] As an embodiment, the TDD uplink and downlink configuration signaling includes cell common signaling.

[0125] As an embodiment, the TDD uplink and downlink configuration signaling includes UE group common signaling.

[0126] As an embodiment, the TDD uplink and downlink configuration signaling includes UE-specific signaling.

[0127] As an embodiment, the link direction configuration configured by the TDD uplink and downlink configuration signaling is applicable to the entire frequency band occupied by the service cell to which it belongs.

[0128] As an embodiment, the link direction configuration configured by the TDD uplink and downlink configuration signaling is applicable to the entire carrier to which it belongs.

[0129] As an embodiment, the TDD uplink and downlink configuration signaling includes RRC signaling.

[0130] As an embodiment, the TDD uplink and downlink configuration signaling includes one or more RRC IEs.

[0131] As an embodiment, the TDD uplink and downlink configuration signaling includes multiple RRC IEs.

[0132] As an embodiment, the TDD uplink and downlink configuration signaling includes one or more fields of each RRC IE in multiple RRC IEs.

[0133] As an embodiment, the TDD uplink and downlink configuration signaling is an RRC IE.

[0134] As an embodiment, the TDD uplink and downlink configuration signaling is one or more fields in an RRC IE.

[0135] As an embodiment, the TDD uplink and downlink configuration signaling includes TDD-UL-DL-ConfigCommon IE.

[0136] As an embodiment, the TDD uplink and downlink configuration signaling includes TDD-UL-DL-ConfigDedicatedIE.

[0137] As an embodiment, the TDD uplink and downlink configuration signaling includes TDD-UL-DL-ConfigCommon IE and TDD-UL-DL-ConfigDedicated IE.

[0138] As an embodiment, the TDD uplink and downlink configuration signaling includes at least the former of TDD-UL-DL-ConfigCommon IE and TDD-UL-DL-ConfigDedicated IE.

[0139] As an embodiment, the TDD uplink and downlink configuration signaling includes a TDD-UL-DL-Pattern field.

[0140] As an embodiment, the TDD uplink and downlink configuration signaling indicates the downlink time slot and downlink symbol within the period.

[0141] As an embodiment, at least one time slot in the TDD uplink and downlink configuration signaling indication period is a downlink time slot and / or at least one symbol is a downlink symbol.

[0142] As an embodiment, the TDD uplink and downlink configuration signaling indicates at least one time slot format, and the at least one time slot format is used to determine at least one downlink symbol.

[0143] As an embodiment, the TDD uplink and downlink configuration signaling is used to indicate at least one time slot including only downlink symbols and at least one downlink symbol after the time slot including only downlink symbols from one cycle.

[0144] As an embodiment, the TDD uplink and downlink configuration signaling indicates the number of starting downlink time slots within a cycle, the number of downlink symbols immediately following the starting downlink time slot, and the cycle length.

[0145] As an embodiment, the TDD uplink and downlink configuration signaling is used to indicate at least one pattern, and any pattern indicated by the TDD uplink and downlink configuration signaling provides a time slot configuration cycle length, the number of time slots including only downlink symbols, the number of downlink symbols, the number of time slots including only uplink symbols, and the number of uplink symbols.

[0146] As an embodiment, the TDD uplink and downlink configuration signaling is used to indicate at least one pattern, and the at least one pattern indicated by the TDD uplink and downlink configuration signaling provides at least one time slot including only downlink symbols and at least one downlink symbol that does not belong to a time slot including only downlink symbols in a period.

[0147] As an embodiment, the TDD uplink and downlink configuration signaling includes MAC CE.

[0148] As an embodiment, the TDD uplink and downlink configuration signaling includes dynamic signaling.

[0149] As an embodiment, the TDD uplink and downlink configuration signaling includes physical layer signaling.

[0150] As an embodiment, the TDD uplink and downlink configuration signaling includes layer 1 signaling.

[0151] As an embodiment, the TDD uplink and downlink configuration signaling includes DCI.

[0152] As an embodiment, the CRC (Cyclic Redundancy Check) of the TDD uplink and downlink configuration signaling is scrambled by a cell-common RNTI (Radio Network Temporary Identifier).

[0153] As an embodiment, the CRC of the TDD uplink and downlink configuration signaling is scrambled by the common RNTI of the UE group.

[0154] As an embodiment, the CRC of the TDD uplink and downlink configuration signaling is scrambled by SFI (Slot Format Indicator)-RNTI.

[0155] As an embodiment, the TDD uplink and downlink configuration signaling DCI is SFI.

[0156] As an embodiment, the format adopted by the TDD uplink and downlink configuration signaling is DCI format 20.

[0157] As an embodiment, the TDD uplink and downlink configuration signaling includes RRC layer signaling and physical layer signaling.

[0158] As an embodiment, the TDD uplink and downlink configuration signaling is carried jointly by RRC layer signaling and physical layer signaling.

[0159] As a sub-embodiment of this embodiment, the RRC signaling includes at least the former of TDD-UL-DL-ConfigCommon IE and TDD-UL-DL-ConfigDedicated IE.

[0160] As a sub-embodiment of this embodiment, the physical layer signaling includes a partial or entire field of a DCI.

[0161] As a sub-embodiment of this embodiment, the physical layer signaling is SFI.

[0162] As an embodiment, the symbols configured as downlink by TDD uplink and downlink configuration signaling and used for uplink transmission include SBFD symbols.

[0163] As an embodiment, the symbols configured as downlink by TDD uplink and downlink configuration signaling and used for uplink transmission include symbols supporting full-duplex.

[0164] Example 2

[0165] Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in the attached Figure 2 shown.

[0166] Attached Figure 2The network architecture of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced) and future 5G systems is described. The network architecture of LTE, LTE-A and future 5G systems is called EPS (Evolved Packet System). The 5GNR or LTE network architecture may be referred to as 5GS (5G System) / EPS200 or some other appropriate terminology. 5GS / EPS200 may include one or more UEs 201, a UE 241 communicating with UE 201 via a sidelink (SL), NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G Core Network) / EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and Internet service 230. 5GS / EPS200 may be interconnected with other access networks, but these entities / interfaces are not shown for simplicity. Figure 2As shown, 5GS / EPS200 provides packet switching services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks providing circuit switching services. NG-RAN 202 includes NR Node B (gNB) 203 and other gNBs 204. gNB 203 provides user and control plane protocol terminations toward UE 201. gNB 203 can be connected to other gNBs 204 via an Xn interface (e.g., backhaul). gNB 203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a TRP (Transmitter Receiver Point), or some other suitable term. gNB 203 provides an access point to 5G-CN / EPC 210 for UE201. Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network devices, machine type communication devices, land vehicles, cars, wearable devices, or any other similar functional devices. Those skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term. gNB 203 is connected to 5G-CN / EPC 230 via S1 / NG interface. 5G-CN / EPC 210 includes MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MME / AMF / SMF 214, S-GW (Service Gateway) / UPF (User Plane Function) 212 and P-GW (Packet Data Network Gateway) / UPF 213.MME / AMF / SMF 211 is a control node that handles signaling between UE 201 and 5G-CN / EPC 210. Generally, MME / AMF / SMF 211 provides bearer and connection management. All user IP (IntemetProtocol) packets are transmitted through S-GW / UPF 212, and S-GW / UPF 212 itself is connected to P-GW / UPF213. P-GW provides UE IP address allocation and other functions. P-GW / UPF 213 is connected to Internet services 230. Internet services 230 include operator-corresponding Internet protocol services, which may specifically include Internet, Intranet, IMS (IP Multimedia Subsystem) and packet switching services.

[0167] As an embodiment, the first node in the present application includes the UE 201.

[0168] As an embodiment, the second node in the present application includes the gNB 203.

[0169] As an embodiment, the UE 201 supports relay transmission.

[0170] As an embodiment, the UE 201 includes a mobile phone.

[0171] As an embodiment, the UE 201 is a vehicle including a car.

[0172] As an embodiment, the gNB 203 is a macro cell base station.

[0173] As an embodiment, the gNB 203 is a micro cell base station.

[0174] As an embodiment, the gNB 203 is a pico cell base station.

[0175] As an embodiment, the gNB 203 is a home base station (Femtocell).

[0176] As an embodiment, the gNB 203 is a base station device that supports a large delay difference.

[0177] As an embodiment, the gNB 203 is a flying platform device.

[0178] As an embodiment, the gNB 203 is a satellite device.

[0179] As an embodiment, the gNB 203 is a test device (e.g., a transceiver that simulates some functions of a base station, a signaling tester).

[0180] As an embodiment, the wireless link from the UE 201 to the gNB 203 is an uplink, and the uplink is used to perform uplink transmission.

[0181] As an embodiment, the wireless link from the gNB 203 to the UE 201 is a downlink, and the downlink is used to perform downlink transmission.

[0182] As an embodiment, the wireless link between the UE 201 and the gNB 203 includes a cellular network link.

[0183] As an embodiment, the UE 201 and the gNB 203 are connected via a Uu air interface.

[0184] As an embodiment, the sender of the first signaling includes the gNB 203.

[0185] As an embodiment, the recipient of the first signaling includes the UE 201.

[0186] As an embodiment, the sender of the first signal includes the UE 201.

[0187] As an embodiment, the receiver of the first signal includes the gNB 203.

[0188] As an embodiment, the gNB 203 supports SBFD.

[0189] As an embodiment, the gNB 203 supports a more flexible duplex mode or a full-duplex mode.

[0190] As an embodiment, the UE 201 supports SBFD.

[0191] As an embodiment, the UE 201 supports a more flexible duplex mode or a full-duplex mode.

[0192] Example 3

[0193] Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in the attached figure. Figure 3 shown.

[0194] Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, Figure 3The radio protocol architecture of the control plane 300 for a first communication node device (RSU (Road Side Unit) in UE or V2X (Vehicle to Everything), vehicle-mounted device or vehicle-mounted communication module) and a second node device (gNB, RSU in UE or V2X, vehicle-mounted device or vehicle-mounted communication module), or between two UEs is presented in three layers: Layer 1 (Layer 1, L1), Layer 2 (Layer 2, L2) and Layer 3 (Layer 3, L3). L1 is the lowest layer and implements various PHY (PHYsical layer) signal processing functions. L1 will be referred to as PHY 301 in this article. L2305 is above PHY 301 and is responsible for the link between the first node device and the second node device, or between two UEs through PHY 301. L2305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the second node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides inter-zone mobility support for the first communication node device between the second communication node device. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception caused by HARQ (Hybrid Automatic Repeat reQuest process number). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in a cell between the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in L3 in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and configuring lower layers using RRC signaling between the second communication node device and the first communication node device.The radio protocol architecture of the user plane 350 includes layer 1 (L1) and layer 2 (L2). The radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is substantially the same as the corresponding layers and sublayers in the control plane 300 for the physical layer 351, the PDCP sublayer 354 in L2355, the RLC sublayer 353 in L2355, and the MAC sublayer 352 in L2355, but the PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead. L2355 in the user plane 350 also includes a SDAP (Service Data Adaptation Protocol) sublayer 356, which is responsible for mapping between QoS (Quality of Service) flows and data radio bearers (DRBs) to support the diversity of services. Although not shown in the figure, the first communication node device may have several upper layers above L2355, including a network layer (e.g., IP (Internet Protocol) layer) terminating at the P-GW on the network side and an application layer terminating at the other end of the connection (e.g., a remote UE, a server, etc.).

[0195] As an example, Figure 3 The wireless protocol architecture in is applicable to the first node in this application.

[0196] As an example, Figure 3 The wireless protocol architecture in is applicable to the second node in this application.

[0197] As an embodiment, the first signaling is generated in the RRC 306.

[0198] As an embodiment, the first signaling is generated in the MAC sublayer 302 or the MAC sublayer 352.

[0199] As an embodiment, the first signaling is generated by the PHY 301 or PHY 351.

[0200] As an embodiment, the first signal is generated by the RRC 306.

[0201] As an embodiment, the first signal is generated in the MAC sublayer 302 or the MAC sublayer 352.

[0202] As an embodiment, the first signal is generated by the PHY 301 or PHY 351.

[0203] As an embodiment, the higher layer in the present application refers to a layer above the physical layer.

[0204] As an embodiment, the higher layer in the present application includes a MAC layer.

[0205] As an embodiment, the higher layer in the present application includes an RRC layer.

[0206] Example 4

[0207] Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in the attached figure. Figure 4 Attached Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.

[0208] The first communication device 410 includes a controller / processor 475 , a memory 476 , a receive processor 470 , a transmit processor 416 , a multi-antenna receive processor 472 , a multi-antenna transmit processor 471 , a transmitter / receiver 418 and an antenna 420 .

[0209] The second communication device 450 includes a controller / processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter / receiver 454 and an antenna 452.

[0210] In transmission from the first communication device 410 to the second communication device 450, at the first communication device 410, upper layer data packets from the core network are provided to the controller / processor 475. The controller / processor 475 implements the functionality of L2. In the DL, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and allocation of radio resources to the second communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for L1 (i.e., physical layer). The transmit processor 416 implements coding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, as well as mapping of signal constellations based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), M-PSK, M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding and beamforming processing, to generate one or more parallel streams. The transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols with a reference signal (e.g., pilot) in the time domain and / or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate a physical channel carrying a time domain multi-carrier symbol stream. The multi-antenna transmit processor 471 then performs a transmit analog precoding / beamforming operation on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, and then provides it to different antennas 420.

[0211] In the transmission from the first communication device 410 to the second communication device 450, at the second communication device 450, each receiver 454 receives a signal through its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456. The receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of L1. The multi-antenna receiving processor 458 performs a receiving analog precoding / beamforming operation on the baseband multi-carrier symbol stream from the receiver 454. The receiving processor 456 uses a fast Fourier transform (FFT) to convert the baseband multi-carrier symbol stream after the receiving analog precoding / beamforming operation from the time domain to the frequency domain. In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, where the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458 to any parallel stream with the second communication device 450 as the destination. The symbols on each parallel stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated. The receiving processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of L2. The controller / processor 459 may be associated with a memory 460 storing program codes and data. The memory 460 may be referred to as a computer-readable medium. In DL, the controller / processor 459 provides multiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transmission and logical channels to recover the upper layer data packets from the core network. The upper layer data packets are then provided to all protocol layers above L2. Various control signals may also be provided to L3 for L3 processing. The controller / processor 459 is also responsible for error detection using an acknowledgment (ACK) and / or a negative acknowledgment (NACK) protocol to support HARQ operations.

[0212] In the transmission from the second communication device 450 to the first communication device 410, at the second communication device 450, a data source 467 is used to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above L2. Similar to the transmission function at the first communication device 410 described in DL, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocation of the first communication device 410, and implements L2 functions for the user plane and the control plane. The controller / processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing. Then, the transmit processor 468 modulates the generated parallel stream into a multi-carrier / single-carrier symbol stream, which is then provided to different antennas 452 via the transmitter 454 after analog precoding / beamforming operations in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.

[0213] In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the reception function at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives a radio frequency signal through its corresponding antenna 420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the multi-antenna reception processor 472 and the reception processor 470. The reception processor 470 and the multi-antenna reception processor 472 jointly implement the functions of L1. The controller / processor 475 implements the L2 functions. The controller / processor 475 can be associated with a memory 476 storing program codes and data. The memory 476 can be referred to as a computer-readable medium. The controller / processor 475 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover the upper layer data packets from the second communication device 450. The upper layer data packets from the controller / processor 475 can be provided to the core network. The controller / processor 475 is also responsible for error detection using an ACK and / or NACK protocol to support HARQ operations.

[0214] As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The second communication device 450 device at least receives a first signaling, the first signaling indicates a first time-frequency resource set; sends a first signal in the first time-frequency resource set; the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and a first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0215] As an embodiment, the second communication device 450 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: receiving a first signaling; and sending a first signal in the first time-frequency resource set.

[0216] As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to be used with the at least one processor. The first communication device 410 device at least sends a first signaling, the first signaling indicates a first time-frequency resource set; receives a first signal in the first time-frequency resource set; the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and a first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission. As an embodiment, the first communication device 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, the action including: sending a first signaling; receiving a first signal.

[0217] As an embodiment, the first node in the present application includes the second communication device 450.

[0218] As an embodiment, the second node in the present application includes the first communication device 410.

[0219] As an embodiment, at least one of {the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller / processor 475, and the memory 476} is used to send a first signaling; and at least one of {the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive a first signaling.

[0220] As an embodiment, at least one of {the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller / processor 459, the memory 460, and the data source 467} is used to send a first signal in the first time-frequency resource set; and at least one of {the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller / processor 475, and the memory 476} is used to receive the first signal.

[0221] Example 5

[0222] Embodiment 5 illustrates a flow chart of transmission between a first node and a second node according to an embodiment of the present application. Figure 5 In the embodiment, the first node U1 communicates with the second node N2 via a wireless link, and the steps in blocks F51, F52 and F53 are optional. It is particularly noted that the sequence in this embodiment does not limit the signal transmission sequence and implementation sequence in this application.

[0223] For the first node U1, a first signaling is received in step S510; a first signal is sent in step S511;

[0224] For the second node N2, a first signaling is sent in step S520, and a first signal is received in step S521;

[0225] In Example 5, the first signaling indicates a first time-frequency resource set; the first signal is transmitted in the first time-frequency resource set; the transmit power of the first signal is a first power value, the first power value depends on a first power parameter set, and a first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0226] As an embodiment, the first node U1 is the first node in this application.

[0227] As an embodiment, the second node N2 is the second node in this application.

[0228] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between a base station device and a user equipment.

[0229] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between a relay node device and a user equipment.

[0230] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between user equipments.

[0231] As an embodiment, the first signaling includes DCI, and the DCI format adopted by the first signaling is DCI format 00.

[0232] As an example,

[0233] As an embodiment, the first signaling includes one or more fields in the BWP-UplinkDedicated IE.

[0234] As an embodiment, the first signaling includes one or more fields in the ConfiguredGrantConfig IE.

[0235] As an embodiment, the first signaling includes one or more parameters in the rrc-ConfiguredUplinkGrant field.

[0236] As an embodiment, the first signaling is used to schedule the first signal.

[0237] As an embodiment, the first signaling is used to configure uplink transmission based on Configured Grant, and the uplink transmission includes transmission of the first signal.

[0238] As an embodiment, the first signaling is used to trigger uplink transmission based on Configured Grant, and the uplink transmission includes transmission of the first signal.

[0239] Example 6

[0240] Figure 6 A schematic diagram showing the relationship between the first power value and the first power parameter set according to an embodiment of the present application is shown in FIG. Figure 6 As shown in the attached Figure 6 wherein the transmit power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set;

[0241] In Embodiment 6, the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0242] As an embodiment, the unit of the first power value is milliwatt.

[0243] As an embodiment, the unit of the first power value is dBm.

[0244] As an embodiment, the first power parameter set is used to determine the first power value.

[0245] As an embodiment, the first power parameter set is used to determine P in TS 38.213. CMAX，fc (j), and the first power parameter set is used to determine P in TS 38.213 O_NOMINAL，PUSCH，f，c (j), and the first power parameter set is used to determine P in TS 38.213 O_UE_PUSCH，b，f，c (j), and the first power parameter set is used to determine α in TS 38.213 b，f，c (j), and the first power parameter set is used to determine the PL in TS 38.213 b，f，c (q d ).

[0246] Example 7

[0247] A schematic diagram showing the relationship between the first reference signal resource, the first candidate reference signal resource, and the second candidate reference signal resource according to an embodiment of the present application is shown as follows: Figure 7 As shown in the attached Figure 7 In the embodiment, case (a) indicates that when the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; case (b) indicates that when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

[0248] As an embodiment, the first candidate reference signal resource includes an SSB.

[0249] As an embodiment, the first candidate reference signal resource includes a CSI-RS resource.

[0250] As an embodiment, the first candidate reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id.

[0251] As an embodiment, the first candidate reference signal resource corresponds to an SSB-Index.

[0252] As an embodiment, the first candidate reference signal resource corresponds to an NZP-CSI-RS-ResourceId.

[0253] As an embodiment, the first candidate reference signal resource corresponds to a TCI-State.

[0254] As an embodiment, the first candidate reference signal resource corresponds to a TCI-StateId.

[0255] As an embodiment, when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set.

[0256] As a sub-embodiment of this embodiment, the first candidate reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id, the first power parameter set corresponds to a P0-PUSCH-AlphaSetId, and the PUSCH-PathlossReferenceRS-Id and the P0-PUSCH-AlphaSetId are associated with the same SRI-PUSCH-PowerControlId.

[0257] As a sub-embodiment of this embodiment, the first candidate reference signal resource and the first power parameter set are determined through a SRI-PUSCH-PowerControl field.

[0258] As an embodiment, the second candidate reference signal resource includes an SSB.

[0259] As an embodiment, the second candidate reference signal resource includes a CSI-RS resource.

[0260] As an embodiment, the second candidate reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id.

[0261] As an embodiment, the second candidate reference signal resource corresponds to an SSB-Index.

[0262] As an embodiment, the second candidate reference signal resource corresponds to an NZP-CSI-RS-ResourceId.

[0263] As an embodiment, the second candidate reference signal resource corresponds to a TCI-State.

[0264] As an embodiment, the second candidate reference signal resource corresponds to a TCI-StateId.

[0265] As an embodiment, when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the first power parameter set.

[0266] As a sub-embodiment of this embodiment, the second candidate reference signal resource corresponds to a PUSCH-PathlossReferenceRS-Id, the first power parameter set corresponds to a P0-PUSCH-AlphaSetId, and the PUSCH-PathlossReferenceRS-Id and the P0-PUSCH-AlphaSetId are associated with the same SRI-PUSCH-PowerControlId.

[0267] As a sub-embodiment of this embodiment, the second candidate reference signal resource and the first power parameter set are determined through a SRI-PUSCH-PowerControl field.

[0268] As an embodiment, the meaning that the first candidate reference signal resource and the second candidate reference signal resource are different includes: the first candidate reference signal resource and the second candidate reference signal resource correspond to different SSB-Index respectively.

[0269] As an embodiment, the meaning that the first candidate reference signal resource and the second candidate reference signal resource are different includes: the first candidate reference signal resource and the second candidate reference signal resource correspond to different NZP-CSI-RS-ResourceTd respectively.

[0270] As an embodiment, the meaning that the first candidate reference signal resource and the second candidate reference signal resource are different includes: the first candidate reference signal resource and the second candidate reference signal resource correspond to different TCI-StateIds respectively.

[0271] As an embodiment, the meaning that the first candidate reference signal resource and the second candidate reference signal resource are different includes: the first candidate reference signal resource and the second candidate reference signal resource are configured by two independent parameters respectively.

[0272] As an embodiment, the meaning that the first candidate reference signal resource and the second candidate reference signal resource are different includes: the first candidate reference signal resource and the second candidate reference signal resource are respectively associated with different types of time domain resources.

[0273] As an embodiment, the first candidate reference signal resource is the same RS resource as the one used by the first node to send the PUCCH with the smallest index in the PUCCH resources.

[0274] As a sub-embodiment of this embodiment, the PUCCH resources are configured to the first type of time domain resource set in this application.

[0275] As an embodiment, the second candidate reference signal resource is the same RS resource as the one used by the first node to send the PUCCH with the smallest index in the PUCCH resources.

[0276] Example 8

[0277] Embodiment 8 shows a schematic diagram of a first type of time domain resource set and a second type of time domain resource set according to an embodiment of the present application, as shown in the attached figure. Figure 8 As shown in the attached Figure 8 In the embodiment, the first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

[0278] As an embodiment, the first reference signal resource set is configured through RRC signaling.

[0279] As an embodiment, the second reference signal resource set is configured through RRC signaling.

[0280] As an embodiment, the first reference signal resource set includes K1 reference signal resources, and the first candidate reference signal resource is one of the K1 reference signal resources.

[0281] As a sub-embodiment of this embodiment, K1 is equal to 1.

[0282] As a sub-embodiment of this embodiment, K1 is a positive integer greater than 1.

[0283] As a sub-embodiment of this embodiment, any reference signal resource among the K1 reference signal resources includes a CSI-RS resource.

[0284] As a sub-embodiment of this embodiment, any reference signal resource among the K1 reference signal resources corresponds to one NZP-CSI-RS-ResourceId.

[0285] As a sub-embodiment of this embodiment, any reference signal resource among the K1 reference signal resources includes SSB.

[0286] As a sub-embodiment of this embodiment, any reference signal resource among the K1 reference signal resources corresponds to an SSB-Index.

[0287] As an embodiment, the second reference signal resource set includes K2 reference signal resources, and the second candidate reference signal resource is one of the K2 reference signal resources.

[0288] As a sub-embodiment of this embodiment, K2 is equal to 1.

[0289] As a sub-embodiment of this embodiment, K2 is a positive integer greater than 1.

[0290] As a sub-embodiment of this embodiment, any reference signal resource among the K2 reference signal resources includes a CSI-RS resource.

[0291] As a sub-embodiment of this embodiment, any reference signal resource among the K2 reference signal resources corresponds to one NZP-CSI-RS-ResourceId.

[0292] As a sub-embodiment of this embodiment, any reference signal resource among the K2 reference signal resources includes SSB.

[0293] As a sub-embodiment of this embodiment, any reference signal resource among the K2 reference signal resources corresponds to an SSB-Index.

[0294] As an embodiment, the first reference signal resource set is configured to the first type of time domain resource set.

[0295] As an embodiment, the first reference signal resource set is configured to determine a power value of a wireless signal sent in the first type of time domain resource set.

[0296] As an embodiment, the second reference signal resource set is configured to the second type of time domain resource set.

[0297] As an embodiment, the second reference signal resource set is configured to determine the power value of the wireless signal sent in the second type of time domain resource set.

[0298] As an embodiment, the first type of time domain resource set corresponds to a multi-carrier symbol configured as uplink by TDD uplink and downlink configuration signaling.

[0299] As an embodiment, the second type of time domain resource set corresponds to a multi-carrier symbol configured as downlink by TDD uplink and downlink configuration signaling.

[0300] As an embodiment, the second type of time domain resource set corresponds to SBFD symbols.

[0301] As an embodiment, the second type of time domain resource set corresponds to a multi-carrier symbol that is configured as downlink by TDD uplink and downlink configuration signaling and is used for uplink transmission.

[0302] Example 9

[0303] Embodiment 9 shows a first signaling schematic diagram according to an embodiment of the present application, as shown in the attached Fig. 9 As shown in the attached Fig. 9 In the embodiment, the first signaling dynamically schedules the first signal, and the DCI format adopted by the first signaling includes a domain outside the SRI domain; or, the first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

[0304] As an embodiment, the DCI format adopted by the first signaling does not include the SRI field.

[0305] As an embodiment, the number of bits occupied by the SRI field in the DCI format adopted by the first signaling is equal to 0.

[0306] As an embodiment, the first signaling is a UL Grant.

[0307] As an embodiment, the first signaling includes an SRS-related field in a ConfiguredGrantConfig IE, and the SRS-related field indicates the first candidate reference signal resource.

[0308] As a sub-embodiment of this embodiment, the SRS-related field includes an srs-ResourceIndicator field.

[0309] As a sub-embodiment of this embodiment, the SRS-related field includes a pathlossReferenceIndex field.

[0310] As a sub-embodiment of this embodiment, the SRS-related field includes the srs-ResourceIndicator2-r17 field.

[0311] As a sub-embodiment of this embodiment, the SRS-related field includes a pathlossReferenceIndex2-r17 field.

[0312] As a sub-embodiment of this embodiment, the SRS-related field includes the srs-ResourceIndicator3-r17 field.

[0313] As a sub-embodiment of this embodiment, the SRS related field includes the pathlossReferenceIndex3-r18 field.

[0314] As a sub-embodiment of this embodiment, the name of the SRS-related domain includes ResourceIndicator.

[0315] As a sub-embodiment of this embodiment, the name of the SRS-related field includes pathlossReferenceIndex.

[0316] As an embodiment, the first signaling includes an SRS-related field in the ConfiguredGrantConfig IE, and the SRS-related field indicates the second candidate reference signal resource.

[0317] As a sub-embodiment of this embodiment, the SRS-related field includes an srs-ResourceIndicator field.

[0318] As a sub-embodiment of this embodiment, the SRS-related field includes a pathlossReferenceIndex field.

[0319] As a sub-embodiment of this embodiment, the SRS-related field includes the srs-ResourceIndicator2-r17 field.

[0320] As a sub-embodiment of this embodiment, the SRS-related field includes a pathlossReferenceIndex2-r17 field.

[0321] As a sub-embodiment of this embodiment, the SRS-related field includes the srs-ResourceIndicator3-r17 field.

[0322] As a sub-embodiment of this embodiment, the SRS related field includes a pathlossReferenceIndex3-r18 field.

[0323] As a sub-embodiment of this embodiment, the name of the SRS-related domain includes ResourceIndicator.

[0324] As a sub-embodiment of this embodiment, the name of the SRS-related field includes pathlossReferenceIndex.

[0325] Example 10

[0326] Embodiment 10 shows a schematic diagram of determining a first power parameter of a first candidate reference signal according to an embodiment of the present application, as shown in the attached figure. Fig.10 As shown in the attached Fig.10 In the method, when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, the measurement in the first candidate reference signal resource is used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

[0327] As an embodiment, the first power value is equal to the smaller value between a first upper limit power value and a first reference power value, and the first power value, the first coefficient and the first path loss are used together to determine the first reference power value.

[0328] As a sub-embodiment of this embodiment, the first upper limit power value is P in TS 38.213. CMAX，f，c (j).

[0329] As a sub-embodiment of this embodiment, the first reference power value is P in TS 38.213. O_PUSCH，b，f，c (j).

[0330] As a sub-embodiment of this embodiment, the first reference power value is linearly related to the product of the first coefficient and the first path loss.

[0331] As a sub-embodiment of this embodiment, the first reference power value is related to the first power value.

[0332] As a sub-embodiment of this embodiment, the first coefficient is α in TS 38.213 b，f，c (j).

[0333] As a sub-embodiment of this embodiment, the first path loss is PL in TS 38.213 b，f，c (q d ).

[0334] As a sub-embodiment of this embodiment, the first power value is P in TS 38.213. O_PUSCH，b，f，c (j).

[0335] As a sub-embodiment of this embodiment, the first power value is P in TS 38.213. O_NOMINAL，PUSCH，f，c (j).

[0336] As a sub-embodiment of this embodiment, the first power value is P in TS 38.213. O_UE_PUSCH，b，f，c(j).

[0337] Embodiment 11

[0338] Embodiment 11 shows a schematic diagram of determining a second power parameter by a second candidate reference signal according to an embodiment of the present application, as shown in the attached figure. Fig.11 As shown in the attached Fig.11 In the method, when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, measurements in the second candidate reference signal resource are used to determine a second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

[0339] As an embodiment, the first power value is equal to the smaller value between a second upper limit power value and a second reference power value, and the second power value, the second coefficient and the second path loss are used together to determine the second reference power value.

[0340] As a sub-embodiment of this embodiment, the second upper limit power value is P in TS 38.213. CMAX，f，c (j).

[0341] As a sub-embodiment of this embodiment, the second reference power value is P in TS 38.213. O_PUSCH，b，f，c (j).

[0342] As a sub-embodiment of this embodiment, the second reference power value is linearly related to the product of the second coefficient and the second path loss.

[0343] As a sub-embodiment of this embodiment, the second reference power value is related to the first power value.

[0344] As a sub-embodiment of this embodiment, the second coefficient is α in TS 38.213 b，f，c (j).

[0345] As a sub-embodiment of this embodiment, the second path loss is PL in TS 38.213 b，f，c (q d ).

[0346] As a sub-embodiment of this embodiment, the second power value is P in TS 38.213. O_PUSCH，b，f，c (j).

[0347] As a sub-embodiment of this embodiment, the second power value is P in TS 38.213. O_NOMINAL，PUSCH，f，c (j).

[0348] As a sub-embodiment of this embodiment, the second power value is P in TS 38.213. O_UE_PUSCH，b，f，c (j).

[0349] Example 12

[0350] Embodiment 12 illustrates a structural block diagram of a processing device used in a first node according to an embodiment of the present application, as shown in the attached figure. Fig.12 As shown in the attached Fig.12 In the embodiment, the processing device 1200 in the first node includes a first receiver 1201 and a first transmitter 1202.

[0351] In Embodiment 12, the first receiver 1201 receives a first signaling indicating a first time-frequency resource set; and the first transmitter 1202 sends a first signal in the first time-frequency resource set.

[0352] In Example 12, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0353] As an embodiment, when the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

[0354] As an embodiment, the first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

[0355] As an embodiment, the first signaling dynamically schedules the first signal, and the DCI format adopted by the first signaling includes a domain outside the SRI domain.

[0356] As an embodiment, the first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

[0357] As an embodiment, when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, the measurement in the first candidate reference signal resource is used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

[0358] As an embodiment, when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, the measurement in the second candidate reference signal resource is used to determine a second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

[0359] As an embodiment, the first node is user equipment.

[0360] As an embodiment, the first node is a relay node device.

[0361] As an embodiment, the first receiver 1201 includes at least one of {antenna 452, receiver 454, receiving processor 456, multi-antenna receiving processor 458, controller / processor 459, memory 460, data source 467} in Embodiment 4.

[0362] As an embodiment, the first transmitter 1202 includes at least one of {antenna 452, transmitter 454, transmit processor 468, multi-antenna transmit processor 457, controller / processor 459, memory 460, data source 467} in Embodiment 4.

[0363] Embodiment 13

[0364] Embodiment 13 illustrates a structural block diagram of a processing device used in a second node according to an embodiment of the present application, as shown in the attached figure. Fig.13 As shown in the attached Fig.13 In the embodiment, the processing device 1300 in the second node includes a second transmitter 1301 and a second receiver 1302.

[0365] In Embodiment 13, the second transmitter 1301 sends a first signaling, where the first signaling indicates a first set of time-frequency resources; and the second receiver 1302 receives a first signal.

[0366] In Example 13, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

[0367] As an embodiment, when the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

[0368] As an embodiment, the first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

[0369] As an embodiment, the first signaling dynamically schedules the first signal, and the DCI format adopted by the first signaling includes a domain outside the SRI domain.

[0370] As an embodiment, the first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

[0371] As an embodiment, when the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, the measurement in the first candidate reference signal resource is used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

[0372] As an embodiment, when the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, the measurement in the second candidate reference signal resource is used to determine a second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

[0373] As an embodiment, the second node is a base station device.

[0374] As an embodiment, the second node is user equipment.

[0375] As an embodiment, the second node is a relay node device.

[0376] As an embodiment, the second transmitter 1301 includes at least one of {antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller / processor 475, memory 476} in Embodiment 4.

[0377] As an embodiment, the second receiver 1302 includes at least one of {antenna 420, receiver 418, receiving processor 470, multi-antenna receiving processor 472, controller / processor 475, memory 476} in Embodiment 4.

[0378] A person of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment can be implemented in the form of hardware or in the form of a software function module, and the present application is not limited to any specific form of software and hardware combination. The user equipment, terminal and UE in the present application include but are not limited to drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, transportation tools, vehicles, RSUs, wireless sensors, Internet cards, Internet of Things terminals, RFID (Radio Frequency Identification, Radio Frequency Identification Technology) terminals, NB-IoT (Narrow Band Intemet of Things, Narrow Band Internet of Things) terminals, MTC (Machine Type Communication, Machine Type Communication) terminals, eMTC (enhanced MTC, enhanced MTC) terminals, data cards, Internet cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication devices. The base stations or system equipment in this application include but are not limited to macrocell base stations, microcell base stations, small cell base stations, home base stations, relay base stations, eNB (evolved NodeB), gNB, TRP, GNSS (Global Navigation Satellite System), relay satellites, satellite base stations, aerial base stations, RSU, drones, test equipment, such as transceivers or signaling testers that simulate some functions of base stations, and other wireless communication equipment.

[0379] It should be understood by those skilled in the art that the present invention may be implemented in other specified forms without departing from its core or essential features. Therefore, the embodiments disclosed herein should be considered illustrative rather than restrictive in any way. The scope of the invention is determined by the appended claims rather than the preceding description, and all modifications within their equivalent meanings and regions are considered to be included therein.

Claims

1. A first node used for wireless communication, characterized in that: include: A first receiver receives a first signaling, where the first signaling indicates a first time-frequency resource set; A first transmitter sends a first signal in the first time-frequency resource set; Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

2. The first node according to claim 1, characterized in that: When the first symbol set includes at least one symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a first candidate reference signal resource, and the first candidate reference signal resource is associated with the first power parameter set; when the first symbol set does not include any symbol configured as a downlink symbol by TDD uplink and downlink configuration signaling and used for uplink transmission, the first reference signal resource is a second candidate reference signal resource, and the second candidate reference signal resource is associated with the first power parameter set; the first candidate reference signal resource and the second candidate reference signal resource are different.

3. The first node according to claim 2, characterized in that: The first candidate reference signal resource is one of a first reference signal resource set, and the second candidate reference signal resource is one of a second reference signal resource set; the first reference signal resource set is associated with a first type of time domain resource set, and the second reference signal resource set is associated with a second type of time domain resource set; the first type of time domain resource set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling, and the second type of time domain resource set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling; the first reference signal resource set and the second reference signal resource set are both used for uplink transmission.

4. The first node according to any one of claims 1 to 3, characterized in that: The first signaling dynamically schedules the first signal, and a DCI format adopted by the first signaling includes a domain outside the SRI domain.

5. The first node according to claim 2 or 3, characterized in that: The first signaling includes RRC signaling, and the first signaling indicates the first candidate reference signal resource and the second candidate reference signal resource.

6. The first node according to any one of claims 2 to 5, characterized in that: When the first reference signal resource is the first candidate reference signal resource, the first candidate reference signal resource is used to determine the first power parameter set, the first power parameter set includes a first power value and a first coefficient, measurements in the first candidate reference signal resource are used to determine a first path loss, and the first power value, the first coefficient and the first path loss are jointly used to determine the first power value.

7. The first node according to any one of claims 2 to 5, characterized in that: When the first reference signal resource is the second candidate reference signal resource, the second candidate reference signal resource is used to determine the second power parameter set, the second power parameter set includes a second power value and a second coefficient, measurements in the second candidate reference signal resource are used to determine a second path loss, and the second power value, the second coefficient and the second path loss are jointly used to determine the first power value.

8. A second node for wireless communication, comprising: A second transmitter sends a first signaling, where the first signaling indicates a first time-frequency resource set; A second receiver receives a first signal in the first time-frequency resource set; Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

9. A method in a first node for wireless communication, comprising: receiving a first signaling indicating a first time-frequency resource set; Sending a first signal in the first set of time-frequency resources; Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

10. A method in a second node for wireless communication, comprising: Sending a first signaling, where the first signaling indicates a first time-frequency resource set; Receiving a first signal in the first set of time-frequency resources; Among them, the transmission power of the first signal is a first power value, the first power value depends on a first power parameter set, and the first reference signal resource is associated with the first power parameter set; the time domain resources occupied by the first time-frequency resource set include a first symbol set, and the first symbol set includes at least one symbol configured as an uplink by TDD uplink and downlink configuration signaling; the first reference signal resource depends on whether the first symbol set includes at least one symbol configured as a downlink by TDD uplink and downlink configuration signaling and used for uplink transmission.

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