Method and apparatus in node for wireless communication

Abstract

Disclosed are a method and apparatus in a node for wireless communication, the node receiving a first information block, receiving a first PDCCH and sending a first signal, the first PDCCH being used to trigger the sending of the first signal, the first signal at least comprising a random access preamble; the node receives a second signal, wherein the second signal is associated with the RA-RNTI; wherein a demodulation reference signal of the second signal and a target reference signal are quasi-co-located, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block. The present application ensures correct reception and improves reception quality.

Description

Technical Field

[0001] This application relates to a transmission method and apparatus in a wireless communication system, and particularly to a transmission scheme and apparatus for flexible transmission direction configuration in wireless communication. Background Art

[0002] The application scenarios of future wireless communication systems are becoming more and more diversified, and different application scenarios put forward different performance requirements for the system. In order to meet the different performance requirements of multiple application scenarios, it was decided at the 72nd plenary session of 3GPP (3rd Generation Partner Project) RAN (Radio Access Network) to conduct research on the New Radio (NR) (or 5G) technology. At the 75th plenary session of 3GPP RAN, the WI (Work Item) of the New Radio (NR) technology was approved, and the standardization work of NR began. At the 102nd plenary session of 3GPP RAN, the SI and WI of NR Rel-19 were approved for project establishment, and the project establishment of NR Rel-19 includes support for sub-band full duplex. Summary of the Invention

[0003] In the existing NR system, the spectrum resources are statically divided into FDD spectrum and TDD spectrum. For the TDD spectrum, both the base station and the user equipment operate in a half-duplex mode. This half-duplex mode avoids self-interference and can mitigate the impact of cross-link interference, but it also brings a decrease in resource utilization and an increase in latency. To address these issues, supporting a flexible duplex mode on the TDD spectrum or FDD spectrum becomes a possible solution.

[0004] Regarding the determination problem of reference signals in the random access scenario triggered by PDCCH commands in a flexible duplex mode, this application discloses a solution. Only the flexible duplex mode is taken as a typical application scenario or example; this application is also applicable to 6G networks or other scenarios facing similar problems (such as scenarios where the link direction changes, or other scenarios supporting multi-level configuration of transmission directions, or scenarios with more capable base stations or user equipment, such as scenarios supporting co-frequency full duplex, or for different application scenarios, such as eMBB, URLLC, non-terrestrial networks, integrated communication and sensing networks, intelligent metasurfaces, terahertz networks, similar technical effects can also be achieved. In addition, adopting a unified solution for different scenarios (including but not limited to scenarios of eMBB, URLLC, non-terrestrial networks, integrated communication and sensing networks, intelligent metasurfaces, terahertz networks) or different application parameters helps to reduce hardware complexity and cost. Without conflict, the embodiments and features in the embodiments of this application used in the device of the first node can be applied to the device of the second node in this application, and vice versa.

[0005] This application discloses a method used in a first node for wireless communication, characterized by including:

[0006] Receiving a first information block, receiving a first PDCCH and sending a first signal, the first PDCCH being used to trigger the sending of the first signal, the first signal at least including a random access preamble;

[0007] Receiving a second signal, the second signal being associated with a RA-RNTI;

[0008] Wherein, the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0009] As an embodiment, the target reference signal depends on the relationship between the symbol types corresponding to the first PDCCH and the second signal, avoiding the beam inconsistency caused by the first PDCCH and the second signal corresponding to different symbol types (such as SBFD symbols and non-SBFD symbols), ensuring the accuracy of receiving the second signal, and improving the transmission performance.

[0010] According to one aspect of the present application, the above method is characterized in that whether the target reference signal is related to the non-competitive random access triggered by the first PDCCH for a special cell, and the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0011] According to one aspect of the present application, the above method is characterized in that when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0012] As an embodiment, when the symbol types corresponding to the first PDCCH and the second signal are the same and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH, which ensures good robustness and backward compatibility and has little impact on the standard.

[0013] According to one aspect of the present application, the above method is characterized in that a second information block is received; wherein, the second signal is scheduled by a PDCCH included in the PDCCH common search space set of type 1, the second information block indicates multiple TCI states, and the target reference signal is the reference signal included in a TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the multiple TCI states.

[0014] According to one aspect of the present application, the above method is characterized in that the first information block indicates the configuration information of the first sub-band, the first sub-band is a full-duplex sub-band, and the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band; at least one of the symbol type of at least one symbol occupied by the first PDCCH in the time domain or the symbol type of at least one symbol occupied by the second signal in the time domain is the time-domain symbol for the first sub-band.

[0015] According to one aspect of the present application, the above method is characterized in that a third information block is sent; wherein, the third information block indicates that the sender of the third information block supports the random access process in the symbols for the full-duplex sub-band.

[0016] As an embodiment, introducing a new information block to indicate support for the random access process in symbols for the full-duplex sub-band is beneficial to improving the performance of random access and also increases flexibility; at the same time, it is compatible with existing standards and improves the robustness of the system.

[0017] According to one aspect of the present application, the method is characterized in that the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0018] The present application discloses a method used in a second node for wireless communication, which is characterized by including:

[0019] Transmit a first information block, transmit a first PDCCH and receive a first signal, where the first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble;

[0020] Transmit a second signal, where the second signal is associated with a RA-RNTI;

[0021] Wherein, the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain and at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0022] According to one aspect of the present application, the method is characterized in that the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell, and the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0023] According to one aspect of the present application, the method is characterized in that when the symbol types of at least one symbol occupied by the first PDCCH in the time domain and at least one symbol occupied by the second signal in the time domain are the same and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0024] According to one aspect of the present application, the above method is characterized in that a second information block is sent; wherein, the second signal is scheduled by a PDCCH included in a set of PDCCH common search spaces of type 1, the second information block indicates multiple TCI states, and the target reference signal is a reference signal included in one of the multiple TCI states corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain.

[0025] According to one aspect of the present application, the above method is characterized in that the first information block indicates configuration information of a first sub-band, the first sub-band is a full-duplex sub-band, and the configuration information of the first sub-band includes resource blocks included in the first sub-band and time-domain symbols for the first sub-band; at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time-domain symbol for the first sub-band.

[0026] According to one aspect of the present application, the above method is characterized in that a third information block is received; wherein, the third information block indicates that the sender of the third information block supports a random access process in symbols for a full-duplex sub-band.

[0027] According to one aspect of the present application, the above method is characterized in that the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0028] The present application discloses a device for a first node used in wireless communication, which is characterized in that it includes:

[0029] A first transceiver, which receives a first information block, receives a first PDCCH and sends a first signal, the first PDCCH is used to trigger the sending of the first signal, and the first signal at least includes a random access preamble;

[0030] A first transceiver, which receives a second signal, and the second signal is associated with a RA-RNTI;

[0031] Wherein, there is quasi-co-location between the demodulation reference signal and the target reference signal of the second signal, and the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain and the symbol types of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0032] The present application discloses a device for a second node used in wireless communication, characterized by including:

[0033] A second transceiver, which sends a first information block, sends a first PDCCH and receives a first signal, where the first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble;

[0034] A second transceiver, which sends a second signal, and the second signal is associated with a RA-RNTI;

[0035] Wherein, the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0036] As an embodiment, the present application has the following advantageous but not limited advantages:

[0037] Supports random access in a full-duplex scenario, can further increase uplink coverage, and reduce transmission delay;

[0038] Improves the reliability and robustness of transmission, which is beneficial to adapting to changing scenarios;

[0039] Reduces resource waste and redundancy, and reduces network costs. Description of the Drawings

[0040] By reading the detailed description of the non-limiting embodiments referring to the following drawings, other features, objectives and advantages of the present application will become more obvious:

[0041] Figure 1 Shows a flowchart of a first information block, a first PDCCH, a first signal and a second signal according to an embodiment of the present application;

[0042] Figure 2 Shows a schematic diagram of a network architecture according to an embodiment of the present application;

[0043] Figure 3 Shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

[0044] Figure 4 Shows a schematic diagram of a first node device and a second node device according to an embodiment of the present application;

[0045] Figure 5 Shows a flowchart of wireless signal transmission according to an embodiment of the present application;

[0046] Figure 6 Shows a schematic diagram of the relationship between a first node and a special cell according to an embodiment of the present application;

[0047] Figure 7 Shows a schematic diagram of determining a target reference signal according to an embodiment of the present application;

[0048] Figure 8 Shows a schematic diagram of the relationship between multiple TCI states and a second signal according to an embodiment of the present application;

[0049] Figure 9 Shows a schematic diagram of the configuration information of a first sub - band according to an embodiment of the present application;

[0050] Figure 10 Shows a schematic diagram of a third information block according to an embodiment of the present application;

[0051] Figure 11 Shows a schematic diagram of a synchronization broadcast block or a channel state information reference signal associated with a first signal according to an embodiment of the present application;

[0052] Figure 12 Shows a structural block diagram of a processing device in a first node according to an embodiment of the present application;

[0053] Figure 13 Shows a structural block diagram of a processing device in a second node according to an embodiment of the present application. Detailed implementation manners

[0054] The technical solutions of the present application will be further described in detail below with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily.

[0055] Example 1

[0056] Embodiment 1 exemplifies a flowchart 100 of a first information block, a first PDCCH, a first signal, and a second signal according to an embodiment of the present application, as shown in the accompanying Figure 1 drawing. In the accompanying Figure 1 drawing, each box represents a step. In particular, the order of the steps in the box does not represent a specific temporal sequence between the steps.

[0057] In Embodiment 1, the first node in the present application receives a first information block in step 101, receives a first PDCCH, and sends a first signal, where the first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble; the first node in the present application receives a second signal in step 102, and the second signal is associated with a RA-RNTI; wherein, the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0058] As an embodiment, the first information block includes higher layer information or higher layer parameter configuration.

[0059] As an embodiment, the first information block includes one or more IEs (Information Elements) included in an RRC (Radio Resource Control) layer signaling, or the first information block includes one or more fields included in an RRC layer signaling. As a subsidiary embodiment of the above embodiment, the first information block including RRC can reduce signaling overhead.

[0060] As an embodiment, the first information block includes all or part of the fields included in a SIB.

[0061] As an embodiment, the first information block is Cell Common.

[0062] As an embodiment, the first information block is Cell specific.

[0063] As an embodiment, the first information block is Group Common.

[0064] As an embodiment, the first information block is UE specific or UE dedicated.

[0065] As an embodiment, the first information block is per subband.

[0066] As an example, the first information block is configured per bandwidth part (BWP).

[0067] As an example, the first information block includes all or part of the fields in the IE "SBFDConfigDedicated-r19".

[0068] As an example, the first information block includes all or part of the fields in the IE "SBFDConfigCommon-r19".

[0069] As an example, the first information block includes all or part of the fields in the IE "SBFDConfig-r19".

[0070] As an example, the first information block includes all or part of the fields in the IE "ServingCellConfigCommon".

[0071] As an example, the first information block includes all or part of the fields in the IE "CellGroupConfig".

[0072] As an example, the first information block includes all or part of the fields in the IE "SpCellConfig".

[0073] As an example, the first information block includes all or part of the fields in the IE "SCellConfig".

[0074] As an example, the first information block includes all or part of the fields in the IE "ServingCellConfigCommonSIB".

[0075] As an example, the first information block includes all or part of the fields in the IE "ServingCellConfig".

[0076] As an example, the first information block includes all or part of the fields in DCI (downlink control information) format 2_N, where N is a non-negative integer.

[0077] As an example, the first information block includes all or part of the fields in DCI format 2_10.

[0078] As an example, the first information block includes all or part of the fields in a DCI format.

[0079] As a subsidiary embodiment of the above embodiment, the first information block including DCI can provide greater flexibility.

[0080] As an embodiment, the first information block is transmitted on the PDCCH (physical downlink control channel).

[0081] As an embodiment, the first information block is used to configure the time slots or symbols of SBFD (Subband non-overlapping Full Duplex).

[0082] As an embodiment, the first information block is used to configure the time slots or symbols supporting full duplex.

[0083] As an embodiment, the first information block is used to configure at least one of the UL subband, DL subband or guardband of SBFD.

[0084] As an embodiment, the first PDCCH is a PDCCH order.

[0085] As an embodiment, the first PDCCH is the baseband signal or radio frequency signal of the PDCCH.

[0086] As an embodiment, the first PDCCH is transmitted through the air interface or wireless interface.

[0087] As an embodiment, the first PDCCH carries the DCI used for the PDCCH order.

[0088] As an embodiment, the first PDCCH carries all or part of the fields in DCI format 1_0.

[0089] As an embodiment, DCI format 1_0 is used to generate the first PDCCH.

[0090] As an embodiment, the value of the frequency domain resource assignment field included in the DCI carried by the first PDCCH is equal to all "1".

[0091] As an embodiment, the bits of the frequency domain resource assignment field included in the DCI carried by the first PDCCH are all set to "1".

[0092] As an embodiment, the cyclic redundancy check (CRC) of the DCI format of the DCI carried by the first PDCCH (Physical Downlink Control Channel) is scrambled by a C-RNTI (Cell-Radio Network Temporary Identifier).

[0093] As an embodiment, the CRC of the first PDCCH is scrambled by a C-RNTI.

[0094] As an embodiment, the first PDCCH is associated with one of a C-RNTI, or a CS-RNTI (Configured Scheduling RNTI), or an MCS-RNTI (Modulation Coding Scheme RNTI).

[0095] As an embodiment, the PDCCH candidate occupied by the first PDCCH belongs to a common search space (CSS) set.

[0096] As an embodiment, the PDCCH candidate occupied by the first PDCCH belongs to a user equipment specific search space (USS) set.

[0097] As an embodiment, the first signal is used for a random access procedure.

[0098] As an embodiment, the first signal is a PRACH (physical random access channel) or is used to transmit a PRACH.

[0099] As an embodiment, the first signal is a radio frequency signal or a baseband signal of a PRACH.

[0100] As an embodiment, the first signal is a Msg1 (Message 1).

[0101] As an embodiment, the first signal is a MSGA (Message A).

[0102] As an embodiment, the first signal includes a PRACH.

[0103] As an example, the first signal includes or carries a random access preamble or a random access preamble code.

[0104] As an example, the first signal includes or carries a random access preamble sequence.

[0105] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH is used by the sender of the first PDCCH in this application to trigger (trigger / initiate) the transmission of the first signal.

[0106] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH triggers (trigger / initiate) the transmission of the first signal.

[0107] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH indicates the resources occupied by the first signal.

[0108] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH indicates the random access preamble sequence carried by the first signal.

[0109] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0110] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH indicates the index of the SS / PBCH or SSB (synchronization signal / physical broadcast channel) associated with the first signal.

[0111] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH configures or schedules at least one parameter of the first signal.

[0112] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the transmission of the first signal is a response to the first PDCCH.

[0113] As an example, the technical feature "the first PDCCH is used to trigger the transmission of the first signal" includes the following meaning: the first PDCCH instructs the device of the first node to transmit the first signal.

[0114] As an example, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the first signal carries a random access preamble sequence for generating a random access preamble.

[0115] As an example, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the random access preamble sequence undergoes sequence generation and mapping to physical resources in sequence to generate the first signal.

[0116] As an example, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the random access preamble sequence generates the first signal through at least one of sequence generation, mapping to physical resources, OFDM baseband signal generation, modulation and upconversion.

[0117] As an example, a ZC (Zadoff-Chu) sequence is used to generate the random access preamble sequence carried by the first signal.

[0118] As an example, a pseudo-random sequence is used to generate the random access preamble sequence carried by the first signal.

[0119] As an example, the random access preamble sequence carried by the first signal adopts one of the preamble sequence formats 0, 1, 2, 3.

[0120] As an example, the random access preamble sequence carried by the first signal adopts one of the preamble sequence formats A1, A2, A3, B1, B2, B3, B4, C0, C2.

[0121] As an embodiment, the preamble format of the random access preamble carried by the first signal is configured by signaling.

[0122] As an embodiment, the sequence length of the random access preamble carried by the first signal is equal to 139 or 571 or 839 or 1151.

[0123] As an embodiment, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the first signal is used to transmit a random access preamble.

[0124] As an embodiment, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the random access preamble is transmitted on the first signal.

[0125] As an embodiment, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the random access preamble is used to generate the first signal.

[0126] As an embodiment, the technical feature "the first signal at least includes a random access preamble" includes the following meaning: the random access preamble is mapped to the physical resources allocated to the first signal.

[0127] As an embodiment, the first signal further includes PUSCH.

[0128] As an embodiment, the first signal further includes MsgA PUSCH.

[0129] As an embodiment, the second signal is transmitted through an air interface or a wireless interface.

[0130] As an embodiment, the second signal is a baseband signal or a radio frequency signal.

[0131] As an embodiment, the second signal signaling includes a random access response for the first signal.

[0132] As an embodiment, the second signal includes a PDCCH signal and a PDSCH (physical downlink shared channel) signal.

[0133] As an embodiment, the second signal is Msg2 (Message 2).

[0134] As an embodiment, the second signal is PDCCH or is transmitted on PDCCH.

[0135] As an embodiment, the second signal includes a PDCCH signal.

[0136] As an embodiment, the second signal includes the DMRS (demodulation reference signal) of the PDCCH.

[0137] As an embodiment, the second signal includes the PDCCH and the DMRS of the PDCCH.

[0138] As an embodiment, the second signal carries DCI using DCI format 1_0.

[0139] As an embodiment, the CRC of the second signal is scrambled by the RA-RNTI (Random Access Radio Network Temporary Identifier).

[0140] As an embodiment, the CRC of the DCI format used by the DCI carried by the second signal is scrambled by the RA-RNTI.

[0141] As an embodiment, the second signal is used to schedule the Random Access Response (RAR) for the first signal.

[0142] As an embodiment, the PDCCH candidates occupied by the second signal belong to the common search space set.

[0143] As an embodiment, the PDCCH candidates occupied by the second signal belong to the type 1 PDCCH common search space set.

[0144] As an embodiment, the second signal is a PDSCH or is transmitted on a PDSCH.

[0145] As an embodiment, the second signal includes a PDSCH signal.

[0146] As an embodiment, the second signal includes the DMRS of the PDSCH.

[0147] As an embodiment, the second signal includes the PDSCH and the DMRS of the PDSCH.

[0148] As an embodiment, the technical feature "the second signal is associated with the RA-RNTI" includes the following meaning: the CRC of the second signal is scrambled by the RA-RNTI.

[0149] As an example, the technical feature "the second signal is associated with the RA-RNTI" includes the following meanings: the second signal is identified by the RA-RNTI.

[0150] As an example, the technical feature "the second signal is associated with the RA-RNTI" includes the following meanings: the CRC of the PDCCH included in the second signal is scrambled by the RA-RNTI.

[0151] As an example, the technical feature "the second signal is associated with the RA-RNTI" includes the following meanings: the RA-RNTI initializes the scrambling sequence of the second signal.

[0152] As an example, the technical feature "the second signal is associated with the RA-RNTI" includes the following meanings: the initial value of the register of the scrambling sequence of the second signal includes the RA-RNTI.

[0153] As an example, the technical feature "the second signal is associated with the RA-RNTI" includes the following meanings: the RA-RNTI is one of the parameters for initializing the generation register of the second signal.

[0154] As an example, the RA_RNTI is related to the first signal.

[0155] As an example, the RA_RNTI is calculated from the time-frequency resources occupied by the first signal.

[0156] As an example, the target reference signal is the SSB.

[0157] As a subsidiary example of the above example, the advantage of the target reference signal being the synchronized broadcast block is that it can fallback to a wide beam to ensure robustness.

[0158] As an example, the target reference signal is the CSI-RS (Channel State Information Reference Signal). As a subsidiary example of the above example, the advantage of the target reference signal being the CSI-RS is that it can fallback to a narrow beam to improve the beamforming gain.

[0159] As an example, the target reference signal is the DMRS. As a subsidiary example of the above example, the advantage of the target reference signal being the DMRS is to ensure the consistency of the beam and achieve a balance between ensuring robustness and improving the beamforming gain.

[0160] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: quasi - co - located between the second signal and the target reference signal.

[0161] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: quasi - co - located between the demodulation reference signal port of the second signal and the target reference signal.

[0162] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: quasi - co - located between the demodulation reference signal port of the second signal and the control resource set to which the target reference signal belongs.

[0163] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: quasi - co - located between the demodulation reference signal port of the second signal and the control resource set including the target reference signal.

[0164] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: quasi - co - located between the demodulation reference signal port of the second signal and the PDCCH or PDSCH including the target reference signal.

[0165] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: the device used for the first node receives the second signal using the quasi - co - location parameter (QCL parameter) of the target reference signal.

[0166] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: the device used for the first node receives the second signal using the TCI (transmission configuration indicator) state to which the target reference signal belongs.

[0167] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: the transmission beam of the second signal is the same as the transmission beam of the target reference signal.

[0168] As an example, the technical feature "quasi - co - located between the demodulation reference signal of the second signal and the target reference signal" has the following meanings: the large - scale characteristics of the second signal are the same as the large - scale characteristics of the target reference signal.

[0169] As an example, the technical feature "quasi - co - location between the demodulation reference signal and the target reference signal of the second signal" includes the following meaning: the transmission spatial parameters (or transmission spatial filters) of the second signal and the transmission spatial parameters (or transmission spatial filters) of the target reference signal are the same.

[0170] As an example, the number of possible symbol types of a symbol is equal to 2.

[0171] As an example, the number of possible symbol types of a symbol is greater than 2.

[0172] As an example, the symbol type of a symbol is one of T1 symbol types, where T1 is a positive integer greater than 1, and the T1 symbol types are predefined or configurable. As a subsidiary example of the above example, the T1 symbol types include SBFD symbols and non - SBFD symbols. As a subsidiary example of the above example, the T1 symbol types include symbols with sub - bands of SBFD configured in the time domain and symbols with sub - bands of SBFD not configured in the time domain. As a subsidiary example of the above example, the T1 symbol types are symbols corresponding to T1 TCI states respectively. As a subsidiary example of the above example, the T1 symbol types are symbols corresponding to T1 radio frequency links respectively. As a subsidiary example of the above example, the T1 symbol types are symbols corresponding to T1 beams respectively. As a subsidiary example of the above example, the T1 symbol types are symbols corresponding to T1 interference cancellation schemes respectively. As a subsidiary example of the above example, the T1 symbol types are symbols corresponding to T1 QCL relationships respectively. As a subsidiary example of the above example, T1 is equal to 2. As a subsidiary example of the above example, T1 is greater than 2. As a subsidiary example of the above example, the T1 symbol types depend on the first information block. As a subsidiary example of the above example, the T1 symbol types depend on the capabilities of the first node. As a subsidiary example of the above example, the device used for the first node cannot be considered to have the same QCL parameters (or QCL assumptions) in two symbols belonging to different symbol types among the T1 symbol types.

[0173] As an example, the symbol type of a symbol is an SBFD symbol or a non - SBFD symbol.

[0174] As an example, the symbol type of a symbol is a symbol configured with SBFD or a symbol not configured with SBFD.

[0175] As an example, the symbol type of a symbol is a symbol in an SBFD time slot or a symbol in a non-SBFD time slot.

[0176] As an example, the symbol type of a symbol is a symbol configured in the time domain for a sub-band of SBFD or a symbol not configured in the time domain for a sub-band of SBFD.

[0177] As an example, the symbol type of a symbol is a symbol supporting full duplex or a symbol not supporting full duplex.

[0178] As an example, the symbol type of a symbol is a symbol applicable to SBFD or a symbol not applicable to SBFD.

[0179] As an example, the symbol type of a symbol is a symbol that can be simultaneously used for uplink transmission and downlink transmission or a symbol that cannot be simultaneously used for uplink transmission and downlink transmission.

[0180] As an example, the symbol type of a symbol is a symbol indicated (or provided) by the first information block or a symbol not indicated (or provided) by the first information block.

[0181] As an example, the symbol type of a symbol is a symbol indicated as downlink by "tdd-UL-DL-ConfigCommon" and configured (or indicated) as an SBFD symbol or a symbol indicated as flexible by "tdd-UL-DL-ConfigCommon" and configured (or indicated) as an SBFD symbol or a symbol not indicated as an SBFD symbol.

[0182] As an example, the symbol type of a symbol is a symbol indicated as downlink by "tdd-UL-DL-ConfigCommon" and indicated (or provided) by the first information block or a symbol indicated as flexible by "tdd-UL-DL-ConfigCommon" and indicated (or provided) by the first information block or a symbol not indicated (or provided) by the first information block.

[0183] As an example, the symbol type of a symbol is a symbol indicated as downlink by "tdd-UL-DL-ConfigCommon" or "tdd-UL-DL-ConfigDedicated" and configured (or indicated) as an SBFD symbol or a symbol indicated as flexible by "tdd-UL-DL-ConfigCommon" or "tdd-UL-DL-ConfigDedicated" and configured (or indicated) as an SBFD symbol or a symbol not indicated as an SBFD symbol.

[0184] As an example, the symbol type of a symbol is a symbol indicated (or provided) by the first information block which is indicated as downlink by "tdd-UL-DL-ConfigCommon" or "tdd-UL-DL-ConfigDedicated", or a symbol indicated (or provided) by the first information block which is indicated as flexible by "tdd-UL-DL-ConfigCommon" or "tdd-UL-DL-ConfigDedicated", or a symbol not indicated (or provided) by the first information block.

[0185] As an example, only considering "tdd-UL-DL-ConfigCommon" simplifies the design and reduces the standard workload.

[0186] As an example, considering both "tdd-UL-DL-ConfigCommon" and "tdd-UL-DL-ConfigDedicated" maximizes the existing designs in use and ensures compatibility.

[0187] As an example, considering both downlink and flexible symbols expands the configuration flexibility.

[0188] As an example, only considering downlink symbols simplifies the system design.

[0189] As an example, "SBFD symbol" and "full-duplex sub-band symbol" are equivalent or can be used interchangeably.

[0190] As an example, the technical feature "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as the symbol types of at least one symbol occupied by the second signal in the time domain" includes the following meaning: the target reference signal depends on whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as the symbol types of at least one symbol occupied by the second signal in the time domain.

[0191] As an example, the technical feature "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as the symbol types of at least one symbol occupied by the second signal in the time domain" includes the following meaning: whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as the symbol types of at least one symbol occupied by the second signal in the time domain is used to determine the target reference signal.

[0192] As an example, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meanings: when the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain, the target reference signal is a reference signal; when the symbol types of at least one symbol occupied by the first PDCCH in the time domain are different from those of at least one symbol occupied by the second signal in the time domain, the target reference signal is another reference signal.

[0193] As an example, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meanings: when the first PDCCH occupies at least one SBFD symbol in the time domain and the second signal occupies at least one SBFD symbol in the time domain, or when the first PDCCH occupies at least one non-SBFD symbol in the time domain and the second signal occupies at least one non-SBFD symbol in the time domain, the target reference signal is a reference signal; when the first PDCCH occupies at least one SBFD symbol in the time domain and the second signal occupies at least one non-SBFD symbol in the time domain, or when the first PDCCH occupies at least one non-SBFD symbol in the time domain and the second signal occupies at least one SBFD symbol in the time domain, the target reference signal is another reference signal.

[0194] As an example, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meanings: when the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0195] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: When the symbol types of at least one symbol occupied by the first PDCCH in the time domain are different from those of at least one symbol occupied by the second signal in the time domain, the target reference signal is a reference signal included in one of the multiple TCI states configured, indicated, or activated by the base station corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain.

[0196] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal is related to whether the second signal occupies at least one SBFD symbol in the time domain.

[0197] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: When the second signal occupies at least one SBFD symbol in the time domain, the target reference signal is one reference signal; when the second signal occupies at least one non-SBFD symbol in the time domain, the target reference signal is another reference signal.

[0198] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal is related to whether the first PDCCH occupies at least one SBFD symbol in the time domain.

[0199] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal depends on whether the first PDCCH occupies at least one SBFD symbol in the time domain.

[0200] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: Whether the first PDCCH occupies at least one SBFD symbol in the time domain is used to determine the target reference signal.

[0201] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal depends on whether the first PDCCH is orthogonal to the SBFD symbol in the time domain.

[0202] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal depends on whether the first PDCCH is only mapped to the SBFD symbol in the time domain.

[0203] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: The target reference signal depends on whether a full-duplex sub-band is configured on any symbol occupied, configured, or mapped by the first PDCCH in the time domain.

[0204] As an embodiment, the technical feature that "the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain" includes the following meaning: When the first PDCCH occupies at least one SBFD symbol in the time domain, the target reference signal is a reference signal; when the first PDCCH occupies at least one non-SBFD symbol in the time domain, the target reference signal is another reference signal.

[0205] As an embodiment, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: The first information block indicates the symbol type of at least one symbol occupied by the first PDCCH in the time domain.

[0206] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: the first information block is used to determine the symbol type of at least one symbol occupied by the first PDCCH in the time domain.

[0207] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: all or part of what is included in the first information block is used to explicitly or implicitly indicate the symbol type of at least one symbol occupied by the first PDCCH in the time domain.

[0208] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: the symbol type of at least one symbol occupied by the first PDCCH in the time domain is indicated by the first information block as an SBFD symbol.

[0209] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: the symbol type of at least one symbol occupied by the first PDCCH in the time domain is indicated by the first information block as a downlink symbol and is used for uplink transmission.

[0210] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: the time domain symbols indicated (or provided) by the first information block are one type of symbol, and the time domain symbols not indicated (or provided) by the first information block are another type of symbol.

[0211] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: the time domain symbols that overlap all or part of the symbols indicated (or provided) by the first information block are one type of symbol, and the time domain symbols that do not overlap the symbols indicated (or provided) by the first information block are another type of symbol.

[0212] As an example, the technical feature that "the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block" includes the following meaning: all or part of what is included in the first information block explicitly or implicitly indicates whether at least one symbol occupied by the first PDCCH in the time domain is one type of symbol or another type of symbol.

[0213] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the first information block indicates the symbol type of at least one symbol occupied by the second signal in the time domain.

[0214] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the first information block is used to determine the symbol type of at least one symbol occupied by the second signal in the time domain.

[0215] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: all or part of what the first information block includes is used to explicitly or implicitly indicate the symbol type of at least one symbol occupied by the second signal in the time domain.

[0216] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the symbol type of at least one symbol occupied by the second signal in the time domain is indicated by the first information block as an SBFD symbol.

[0217] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the symbol type of at least one symbol occupied by the second signal in the time domain is indicated by the first information block as a downlink and symbol used for uplink transmission.

[0218] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the time domain symbols indicated (or provided) by the first information block are one type of symbol, and the time domain symbols not indicated (or provided) by the first information block are another type of symbol.

[0219] As an example, the technical feature that "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: the time domain symbols that overlap all or part of the symbols indicated (or provided) by the first information block are one type of symbol, and the time domain symbols that do not overlap the symbols indicated (or provided) by the first information block are another type of symbol.

[0220] As an example, the technical feature "the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block" includes the following meaning: all or part of the first information block explicitly or implicitly indicates whether at least one symbol occupied by the second signal in the time domain is a symbol of one type or another type of symbol.

[0221] Example 2

[0222] Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in the appendix Figure 2 as follows.

[0223] The appendix Figure 2 illustrates the network architectures of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced), and future 5G systems. The network architectures of LTE, LTE-A, and future 5G systems are referred to as EPS (Evolved Packet System). The 5G NR or LTE network architecture may be referred to as 5GS (5G System) / EPS200 or some other suitable term. 5GS / EPS200 may include one or more UEs 201, a UE 241 that communicates with the UE 201 via a sidelink, an NG-RAN (Next Generation Radio Access Network) 202, a 5G-CN (5G Core Network) / EPC (Evolved Packet Core) 210, a HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and an Internet service 230. 5GS / EPS200 may be interconnected with other access networks, but these entities / interfaces are not shown for simplicity. As shown in the appendix Figure 2As shown, the 5GS / EPS 200 provides packet-switched services. However, those skilled in the art will readily understand that the various concepts presented throughout this application can be extended to networks that provide circuit-switched services. The NG-RAN 202 includes an NR Node B (gNB) 203 and other gNBs 204. The gNB 203 provides user and control plane protocol termination towards the UE 201. The gNB 203 can be connected to other gNBs 204 via the Xn interface (e.g., backhaul). The gNB 203 can also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, Basic Service Set (BSS), Extended Service Set (ESS), Transmitter Receiver Point (TRP), or some other suitable term. The gNB 203 provides an access point to the 5G-CN / EPC 210 for the UE 201. Examples of the UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, Personal Digital Assistant (PDA), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband Internet of Things devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any other similar functional devices. Those skilled in the art may also refer to the UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term. The gNB 203 is connected to the 5G-CN / EPC 210 via the S1 / NG interface. The 5G-CN / EPC 210 includes a Mobility Management Entity (MME) / Authentication Management Field (AMF) / Session Management Function (SMF) 211, other MMEs / AMFs / SMFs 214, a Serving Gateway (S-GW) / User Plane Function (UPF) 212, and a Packet Data Network Gateway (P-GW) / UPF 213.The MME / AMF / SMF 211 is a control node that processes the signaling between the UE 201 and the 5G-CN / EPC 210. Generally, the MME / AMF / SMF 211 provides bearer and connection management. All user IP (Internet Protocol) packets are transmitted through the S-GW / UPF 212, which is itself connected to the P-GW / UPF 213. The P-GW provides UE IP address allocation and other functions. The P-GW / UPF 213 is connected to the Internet service 230. The Internet service 230 includes operator-corresponding Internet protocol services, which may specifically include the Internet, intranet, IMS (IP Multimedia Subsystem), and packet switching services.

[0224] As an example, the UE201 corresponds to the device used for the first node in this application.

[0225] As an example, the UE201 supports transmission in a flexible duplex mode.

[0226] As an example, the gNB (eNB) 201 corresponds to the device used for the second node in this application.

[0227] As an example, the gNB (eNB) 201 supports transmission in a flexible duplex mode.

[0228] Example 3

[0229] Embodiment 3 exemplifies a schematic diagram of an embodiment of the radio protocol architecture of the user plane and the control plane according to an embodiment of the present application, as shown in the appendix Figure 3 as shown.

[0230] Figure 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture for the user plane 350 and the control plane 300. Figure 3The radio protocol architecture of the control plane 300 for the first node device (UE or RSU (Road Side Unit), vehicle-mounted device or vehicle-mounted communication module in V2X (Vehicle to Everything)), and the second node device (gNB, UE or RSU in V2X, vehicle-mounted device or vehicle-mounted communication module), or between two UEs, is presented with three layers: Layer 1 (L1), Layer 2 (L2), and 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. L2 305 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. L2 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, and these sublayers 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 handover support for the first node device between the second node devices. 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 disordered reception due to 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 node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in L3 of the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring the lower layers using RRC signaling between the second node device and the first node device.The radio protocol architecture of the user plane 350 includes Layer 1 (L1) and Layer 2 (L2). For the radio protocol architecture of the first node device and the second node device in the user plane 350, the physical layer 351, the PDCP sub-layer 354 in L2 355, the RLC sub-layer 353 in L2 355, and the MAC sub-layer 352 in L2 355 are substantially the same as the corresponding layers and sub-layers in the control plane 300. However, the PDCP sub-layer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead. The L2 355 in the user plane 350 also includes an SDAP (Service Data Adaptation Protocol) sub-layer 356. The SDAP sub-layer 356 is responsible for the mapping between QoS (Quality of Service) flows and data radio bearers (DRBs) to support service diversity. Although not shown, the first node device may have several upper layers above L2 355, including a network layer (e.g., an IP (Internet Protocol) layer) terminated at the P-GW on the network side and an application layer terminated at the other end of the connection (e.g., a remote UE, a server, etc.).

[0231] As an example, the Figure 3 radio protocol architecture in is applicable to the first node device in this application.

[0232] As an example, the Figure 3 radio protocol architecture in is applicable to the second node device in this application.

[0233] As an example, the first node device is the device used for the first node in this application.

[0234] As an example, the second node device is the device used for the second node in this application.

[0235] As an example, the first information block in this application is generated in the RRC 306, or the MAC 302, or the MAC 352, or the PHY 301, or the PHY 351.

[0236] As an example, the first PDCCH in this application is generated in the RRC 306, or the MAC 302, or the MAC 352, or the PHY 301, or the PHY 351.

[0237] As an example, the first signal in the present application is generated in the RRC306, or the MAC302, or the MAC352, or the PHY301, or the PHY351.

[0238] As an example, the second signal in the present application is generated in the RRC306, or the MAC302, or the MAC352, or the PHY301, or the PHY351.

[0239] As an example, the second information block in the present application is generated in the RRC306, or the MAC302, or the MAC352, or the PHY301, or the PHY351.

[0240] As an example, the third information block in the present application is generated in the RRC306, or the MAC302, or the MAC352, or the PHY301, or the PHY351.

[0241] Example 4

[0242] Embodiment 4 shows a schematic diagram of a first node device and a second node device according to an embodiment of the present application, as shown in the appendix Figure 4 as follows.

[0243] The first node device (450) may include a controller / processor 490, a data source / buffer 480, a receiving processor 452, a transmitter / receiver 456, and a transmitting processor 455. The transmitter / receiver 456 includes an antenna 460.

[0244] The second node device (410) may include a controller / processor 440, a data source / buffer 430, a receiving processor 412, a transmitter / receiver 416, and a transmitting processor 415. The transmitter / receiver 416 includes an antenna 420.

[0245] In the downlink (DL), the upper layer packets are provided to the controller / processor 440. The controller / processor 440 implements the functions of layer 2 and above. In the DL, the controller / processor 440 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first node device 450 based on various priority metrics. The controller / processor 440 is also responsible for HARQ operations, retransmission of lost packets, and high layer signaling to the first node device 450. The high layer information carried by the first information block, the first PDCCH (when the first PDCCH carries high layer information), the second signal (when the second signal carries high layer information), and the second information block in this application is generated by the controller / processor 440. The transmit processor 415 implements various signal processing functions for layer 1 (i.e., the physical layer), including coding, interleaving, scrambling, modulation, power control / allocation, precoding, and generation of physical layer control signaling, etc. For example, the physical layer signals carrying the first information block, the first PDCCH, the second signal, and the physical layer signals carrying the second information block are completed by the transmit processor 415. The generated modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier subcarriers and / or multi-carrier symbols, and then are mapped by the transmit processor 415 to the antennas 420 via the transmitter 416 and transmitted in the form of radio frequency signals. At the receiving end, each receiver 456 receives the radio frequency signals through its corresponding antenna 460. Each receiver 456 recovers the baseband information modulated onto the radio frequency carrier and provides the baseband information to the receive processor 452. The receive processor 452 implements various signal reception processing functions for layer 1. The signal reception processing functions include demodulation of the physical layer signals carrying the first information block, the first PDCCH, the second signal, and the physical layer signals carrying the second information block in this application based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK)) through the multi-carrier symbols in the multi-carrier symbol stream, followed by descrambling, decoding, and deinterleaving to recover the data or control transmitted by the second node device 410 on the physical channel, and then the data and control signals are provided to the controller / processor 490. The controller / processor 490 is responsible for layer 2 and above. The controller / processor 490 interprets the high layer information. This includes interpreting the high layer information carried by the first information block, the first PDCCH (when the first PDCCH carries high layer information), the second signal (when the second signal carries high layer information), and the second information block. The controller / processor may be associated with a memory 480 that stores program code and data. The memory 480 may be referred to as a computer-readable medium.

[0246] In uplink (UL) transmission, similar to downlink transmission, the high-layer information includes the first signal in the present application (when the first signal carries high-layer information) and the high-layer information carried by the third information block. After being generated by the controller / processor 490, the signals are subjected to various signal transmission processing functions for the L1 layer (i.e., the physical layer) by the transmit processor 455. The first signal and the physical layer signal carrying the third information block are mapped by the transmit processor 455 to the antenna 460 via the transmitter 456 and transmitted in the form of radio frequency signals. The receiver 416 receives the radio frequency signals through its corresponding antenna 420. Each receiver 416 recovers the baseband information modulated onto the radio frequency carrier and provides the baseband information to the receive processor 412. The receive processor 412 performs various signal reception processing functions for the L1 layer (i.e., the physical layer), including receiving and processing the first signal in the present application and the physical layer signal carrying the third information block, and then provides data and / or control signals to the controller / processor 440. The controller / processor 440 performs the functions of the L2 layer, including interpreting high-layer information such as the first signal in the present application (when the first signal carries high-layer information) and the high-layer information carried by the third information block. The controller / processor may be associated with a buffer 430 that stores program codes and data. The buffer 430 can be a computer-readable medium.

[0247] As an embodiment, the first node device 450 apparatus includes: at least one processor and at least one memory, the at least one memory including 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, and the first node device 450 apparatus at least: receives a first information block, receives a first PDCCH and transmits a first signal, the first PDCCH being used to trigger the transmission of the first signal, the first signal including at least a random access preamble; receives a second signal, the second signal being associated with a RA-RNTI; wherein, the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0248] As an example, the first node device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generating actions when executed by at least one processor, the actions including: receiving a first information block, receiving a first PDCCH and sending a first signal, the first PDCCH being used to trigger the sending of the first signal, the first signal at least including a random access preamble; receiving a second signal, the second signal being associated with a RA-RNTI; wherein, there is quasi co-location between the demodulation reference signal of the second signal and a target reference signal, the target reference signal being related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0249] As an example, the second node device 410 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code being configured to be used together with the at least one processor. The second node device 410 at least: sends a first information block, sends a first PDCCH and receives a first signal, the first PDCCH being used to trigger the sending of the first signal, the first signal at least including a random access preamble; sends a second signal, the second signal being associated with a RA-RNTI; wherein, there is quasi co-location between the demodulation reference signal of the second signal and a target reference signal, the target reference signal being related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0250] As an embodiment, the second node device 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generating actions when executed by at least one processor, the actions including: sending a first information block, sending a first PDCCH and receiving a first signal, the first PDCCH being used to trigger the sending of the first signal, the first signal including at least a random access preamble; sending a second signal, the second signal being associated with a RA-RNTI; wherein, a demodulation reference signal of the second signal is quasi co-located with a target reference signal, and the target reference signal is related to whether a symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as a symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0251] As an embodiment, the first node device is the device used for the first node in this application.

[0252] As an embodiment, the first node device 450 is a user equipment (UE).

[0253] As an embodiment, the first node device 450 is a user equipment supporting transmission in a flexible duplex mode.

[0254] As an embodiment, the second node device is the device used for the second node in this application.

[0255] As an embodiment, the second node device 410 is a base station device (gNB / eNB).

[0256] As an embodiment, the second node device 410 is a base station device supporting transmission in a flexible duplex mode.

[0257] As an embodiment, a receiver 456 (including an antenna 460), a receiving processor 452, and a controller / processor 490 are used to receive the first information block in this application.

[0258] As an embodiment, a receiver 456 (including an antenna 460), a receiving processor 452, and a controller / processor 490 are used to receive the first PDCCH in this application.

[0259] As an embodiment, a transmitter 456 (including an antenna 460), a transmitting processor 455, and a controller / processor 490 are used to send the first signal in this application.

[0260] As an example, the receiver 456 (including the antenna 460), the receiving processor 452, and the controller / processor 490 are used to receive the second signal in this application.

[0261] As an example, the receiver 456 (including the antenna 460), the receiving processor 452, and the controller / processor 490 are used to receive the second information block in this application.

[0262] As an example, the receiver 456 (including the antenna 460), the transmitting processor 455, and the controller / processor 490 are used to transmit the third information block in this application.

[0263] As an example, the transmitter 416 (including the antenna 420), the transmitting processor 415, and the controller / processor 440 are used to transmit the first information block in this application.

[0264] As an example, the transmitter 416 (including the antenna 420), the transmitting processor 415, and the controller / processor 440 are used to transmit the first PDCCH in this application.

[0265] As an example, the receiver 416 (including the antenna 420), the receiving processor 412, and the controller / processor 440 are used to receive the first signal in this application.

[0266] As an example, the transmitter 416 (including the antenna 420), the transmitting processor 415, and the controller / processor 440 are used to transmit the second signal in this application.

[0267] As an example, the transmitter 416 (including the antenna 420), the transmitting processor 415, and the controller / processor 440 are used to transmit the second information block in this application.

[0268] As an example, the receiver 416 (including the antenna 420), the receiving processor 412, and the controller / processor 440 are used to receive the third information block in this application.

[0269] Example 5

[0270] Embodiment 5 exemplifies a wireless signal transmission flowchart according to an embodiment of this application, as shown in the appendix Figure 5 shown. In the appendix Figure 5 , the second node N500 is the serving cell maintenance base station of the first node U550. It should be specifically noted that the order in this example does not limit the signal transmission order and implementation order in this application.

[0271] For Second Node N500, the first information block is sent in step S501, the first PDCCH is sent in step S502, the first signal is received in step S503, the second signal is sent in step S504, the second information block is sent in step S505, and the third information block is received in step S506.

[0272] For First Node U550 , the first information block is received in step S551, the first PDCCH is received in step S552, the first signal is sent in step S553, the second signal is received in step S554, the second information block is received in step S555, and the third information block is sent in step S556.

[0273] In Embodiment 5, the first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble; the second signal is associated with a RA-RNTI; the demodulation reference signal of the second signal is quasi-co-located with a target reference signal, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block; the second signal is scheduled by a PDCCH included in the set of type 1 PDCCH common search spaces, the second information block indicates multiple TCI states, and the target reference signal is a reference signal included in one of the multiple TCI states corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain; the third information block indicates that the sender of the third information block supports a random access process in symbols for a full-duplex sub-band.

[0274] As an embodiment, the second information block is earlier than the first information block.

[0275] As an embodiment, the second information block is later than the first information block.

[0276] As an embodiment, the third information block is earlier than the first information block.

[0277] As an embodiment, the third information block is later than the first information block.

[0278] As an embodiment, the third information block is earlier than the second information block.

[0279] As an embodiment, the third information block is later than the second information block.

[0280] As an embodiment, the first information block and the second information block are carried by different IEs or different domains in the same signaling.

[0281] As an embodiment, the first information block and the second information block belong to the same IE.

[0282] As a subsidiary embodiment of the above embodiment, the advantage of doing so is to save resources.

[0283] As an embodiment, the first information block and the second information block belong to two different IEs respectively. As a subsidiary embodiment of the above embodiment, the advantage of doing so is simple design and resource saving.

[0284] As an embodiment, the second information block includes higher layer information or higher layer parameter configuration.

[0285] As an embodiment, the second information block includes one or more IEs included in an RRC layer signaling, or the second information block includes one or more domains (Fields) included in an RRC layer signaling. As a subsidiary embodiment of the above embodiment, the second information block including RRC can reduce signaling overhead.

[0286] As an embodiment, the second information block is UE specific or UE dedicated.

[0287] As an embodiment, the second information block is per subband configured. As a subsidiary embodiment of the above embodiment, configuring the TCI state list or set per SBFD subband improves flexibility.

[0288] As an embodiment, the second information block is per carrier configured. As a subsidiary embodiment of the above embodiment, configuring the TCI state list or set for SBFD per carrier simplifies the design.

[0289] As an embodiment, the second information block is per bandwidth part (BWP) configured (Per BWP). As a subsidiary embodiment of the above embodiment, reusing the TCI state list or set configured per BWP reduces the standardization work.

[0290] As an embodiment, the second information block includes all or part of the IE "PDSCH-Config".

[0291] As an example, the second information block includes all or part of the domain "tci-StatesToAddModList".

[0292] As an example, the second information block includes all or part of the domain "tci-StatesToReleaseList".

[0293] As an example, the second information block includes all or part of the fields in the IE "dl-OrJointTCI-StateList".

[0294] As an example, the second information block includes all or part of the IE "PDCCH-Config".

[0295] As an example, the second information block includes all or part of the IE "ControlResourceSet".

[0296] As an example, the second information block includes all or part of the fields in the domain "tci-StatesPDCCH-ToAddList".

[0297] As an example, the second information block includes all or part of the fields in the domain "tci-StatesPDCCH-ToReleaseList".

[0298] As an example, the second information block includes all or part of the IE "CSI-ResourceConfig".

[0299] As an example, the second information block includes all or part of the fields in the IE "SBFDConfig-r19".

[0300] As an example, the third information block is transmitted via the air interface or the wireless interface.

[0301] As an example, the third information block includes all or part of the high-layer signaling or the physical-layer signaling.

[0302] As an example, the third information block includes all or part of the RRC signaling, or the third information block includes all or part of the MAC-layer signaling.

[0303] As an example, the third information block is transmitted via PUSCH or PUCCH (Physical Uplink Control Channel).

[0304] As an example, the third information block is used to indicate the capabilities of the first node in the present application.

[0305] As an example, the sender of the third information block is the first node in the present application or the device used for the first node in the present application.

[0306] As an example, the third information block includes the IE "UE-NR-Capability".

[0307] As an example, the third information block includes the IE "RF-Parameters", or the third information block includes the IE "BandNR".

[0308] As an example, the third information block includes the IE "BandCombinationList", or the third information block includes the IE "BandCombination".

[0309] As an example, the third information block includes the IE "Phy-Parameters".

[0310] As an example, the third information block includes the IE "FeatureSetUplink", or the third information block includes the IE "FeatureSetUplinkPerCC".

[0311] Example 6

[0312] Embodiment 6 exemplifies a schematic diagram of the relationship between the first node and the special cell according to an embodiment of the present application, as shown in the appendix. Figure 6 Shown in the appendix, Figure 6 the first node can initiate non-competitive random access to the special cell.

[0313] In Embodiment 6, whether the non-competitive random access triggered by the first PDCCH in the present application is for the special cell in the present application is related to the target reference signal in the present application. The first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0314] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for the special cell" includes the following meaning: all or part of the first PDCCH is used to explicitly or implicitly indicate whether the triggered non-competitive random access is for the special cell.

[0315] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: The non-competitive random access triggered by the first PDCCH is for a special cell (special cell, SPcell).

[0316] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: The non-competitive random access triggered by the first PDCCH is not for a special cell.

[0317] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the non-competitive random access triggered by the first PDCCH is for a secondary cell (Scell).

[0318] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the random access preamble corresponding to the non-competitive random access triggered by the first PDCCH is sent to a special cell.

[0319] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the random access preamble corresponding to the non-competitive random access triggered by the first PDCCH is received by a special cell.

[0320] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the first PDCCH indicates (or configures or contains) the physical cell identifier (PCI) for a special cell.

[0321] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the frequency domain resources occupied or mapped by the non-competitive random access triggered by the first PDCCH belong to the BWP of a special cell.

[0322] As an example, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meaning: Whether the first PDCCH triggers non-competitive random access on a special cell.

[0323] As an embodiment, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: The cell where the sender of the first PDCCH is located does not belong to a special cell.

[0324] As an embodiment, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: The cell where the sender of the first PDCCH is located belongs to a special cell.

[0325] As an embodiment, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: Whether the non-competitive random access triggered by the first PDCCH is for obtaining uplink synchronization of a special cell.

[0326] As an embodiment, the technical feature "whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: Whether the non-competitive random access triggered by the first PDCCH is for obtaining a timing advance (TA) value of a special cell.

[0327] As an embodiment, the technical feature "whether the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: The target reference signal depends on whether the non-competitive random access triggered by the first PDCCH is for a special cell.

[0328] As an embodiment, the technical feature "whether the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: Whether the non-competitive random access triggered by the first PDCCH is for a special cell is used to determine the target reference signal.

[0329] As an embodiment, the technical feature "whether the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell" includes the following meanings: When the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is one reference signal; when the non-competitive random access triggered by the first PDCCH is not for a special cell, the target reference signal is another reference signal.

[0330] As an embodiment, the time-frequency resource occupied by the first signal refers to the physical resource mapped by the first signal.

[0331] As an embodiment, the time-frequency resource occupied by the first signal refers to the time-frequency resource used to transmit the first signal.

[0332] As an example, the time-frequency resources occupied by the first signal refer to the time-frequency resources used for transmitting the first signal.

[0333] As an example, the time-frequency resources occupied by the first signal refer to the PRACH occasion corresponding to the first signal.

[0334] As an example, the time-frequency resources occupied by the first signal include a cyclic prefix (CP) and a guard period (GP).

[0335] As an example, the time-frequency resources occupied by the first signal do not include a guard period.

[0336] As an example, the time-frequency resources occupied by the first signal refer to the time-frequency resources of the PRACH used for transmitting the first signal.

[0337] As an example, the random access preamble included in the first signal refers to the random access preamble index included in the first signal.

[0338] As an example, the random access preamble included in the first signal refers to the format of the random access preamble sequence included in the first signal.

[0339] As an example, the random access preamble included in the first signal refers to the sequence length of the random access preamble sequence included in the first signal.

[0340] As an example, the random access preamble included in the first signal refers to the SSB corresponding to the random access preamble included in the first signal.

[0341] As an example, the random access preamble included in the first signal refers to the index of the SSB corresponding to the random access preamble included in the first signal.

[0342] As an example, the technical feature that "the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal" includes the following meaning: the time-frequency resources occupied by the first signal and the random access preamble included in the first signal depend on the first PDCCH.

[0343] As an example, the technical feature "the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal" has the following meaning: the first PDCCH indicates the index of the time-frequency resources occupied by the first signal and the index of the random access preamble included in the first signal.

[0344] As an example, the technical feature "the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal" has the following meaning: all or part of what is included in the first PDCCH is used to explicitly or implicitly indicate the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0345] As an example, the technical feature "the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal" has the following meaning: the fields "Random Access Preamble index", "SS / PBCH index", and "PRACH Mask index" included in the first PDCCH respectively indicate the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0346] Example 7

[0347] Example 7 exemplifies a schematic diagram for determining a target reference signal according to an embodiment of the present application, as shown in the appendix Figure 7 as shown. In the appendix Figure 7 each diamond represents a judgment, and each rectangle represents a state. Starting from S700, at S701, it is judged whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain are the same as those of at least one symbol occupied by the second signal in the time domain, and whether the non-competitive random access triggered by the first PDCCH is for a special cell. At S702, the target reference signal is the reference signal quasi-co-located with the first PDCCH. At S703, the target reference signal is the reference signal associated with the random access or the reference signal included in a configured TCI state.

[0348] In Embodiment 7, when the symbol type of at least one symbol occupied by the first PDCCH in the time domain in the present application is the same as the symbol type of at least one symbol occupied by the second signal in the time domain in the present application and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal in the present application is the reference signal quasi-co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0349] As an embodiment, the technical feature "when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH" includes the following meaning: when the first PDCCH occupies (or is mapped or configured) SBFD symbols in the time domain, the second signal occupies (or is mapped or configured) SBFD symbols in the time domain, and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH.

[0350] As an embodiment, the technical feature "when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH" includes the following meaning: when the first PDCCH occupies (or is mapped or configured) non-SBFD symbols in the time domain, the second signal occupies (or is mapped or configured) non-SBFD symbols in the time domain, and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH.

[0351] As an embodiment, the technical feature "when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH" includes the following meaning: when the first PDCCH occupies (or is mapped or configured) SBFD symbols in the time domain, the second signal occupies (or is mapped or configured) SBFD symbols in the time domain, and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the demodulation reference signal of the first PDCCH.

[0352] As an embodiment, the technical feature "when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH" includes the following meaning: when the first PDCCH occupies (or is mapped or configured) non-SBFD symbols in the time domain, the second signal occupies (or is mapped or configured) non-SBFD symbols in the time domain, and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the demodulation reference signal of the first PDCCH.

[0353] As an embodiment, the reference signal quasi-co-located with the first PDCCH is the DMRS of the first PDCCH.

[0354] As an embodiment, the reference signal quasi-co-located with the first PDCCH is the reference signal quasi-co-located with the DMRS of the first PDCCH.

[0355] As an embodiment, the reference signal quasi-co-located with the first PDCCH is the reference signal having quasi-co-location type D with the DMRS of the first PDCCH.

[0356] As an embodiment, the reference signal quasi-co-located with the first PDCCH is SSB or CSI-RS.

[0357] As an embodiment, the reference signal quasi-co-located with the first PDCCH is the reference signal included in the TCI state for the first PDCCH.

[0358] As an embodiment, the reference signal quasi-co-located with the first PDCCH refers to the downlink reference signal having the same transmit beam as the first PDCCH.

[0359] As an embodiment, the reference signal quasi co-located with the first PDCCH refers to a downlink reference signal having the same large-scale characteristics as the first PDCCH.

[0360] As an embodiment, the reference signal quasi co-located with the first PDCCH refers to a downlink reference signal having the same transmission spatial parameters (or transmission spatial filter) as the first PDCCH.

[0361] As an embodiment, the technical feature "the target reference signal is a reference signal associated with random access" includes the following meaning: the target reference signal is a synchronization broadcast block or a channel state information reference signal associated with random access.

[0362] As an embodiment, the technical feature "the target reference signal is a reference signal associated with random access" includes the following meaning: the target reference signal is a synchronization broadcast block or a NZP (Non-Zero Power) channel state information reference signal associated with random access.

[0363] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the synchronization broadcast block selected in the initial access procedure.

[0364] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the reference signal associated with the most recent random access procedure.

[0365] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the synchronization broadcast block selected during the initial cell search.

[0366] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the synchronization broadcast block associated with the PRACH in the initial access procedure.

[0367] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the synchronization broadcast block determined or identified during the initial access procedure.

[0368] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with random access refers to the synchronization broadcast block selected during the establishment of the RRC connection.

[0369] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with the random access refers to the channel state information reference signal associated with the PRACH in the RRC connected state.

[0370] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with the random access refers to the channel state information reference signal related to the PRACH configured or indicated by the base station in the RRC connected state.

[0371] As a subsidiary embodiment of the above embodiment, the synchronization broadcast block or channel state information reference signal associated with the random access refers to the channel state information reference signal configured or indicated to the user and used for the PRACH in the RRC connected state.

[0372] As an embodiment, the technical feature "the target reference signal is the reference signal associated with the random access" includes the following meaning: the target reference signal is the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set.

[0373] As an embodiment, the type 1 PDCCH common search space set is the type 1 PDCCH CommonSearch Space.

[0374] As an embodiment, the type 1 PDCCH common search space set is configured by the ra-SearchSpace field in the IE PDCCH-ConfigCommon.

[0375] As an embodiment, the type 1 PDCCH common search space set is configured by the IE SearchSpace.

[0376] As an embodiment, the type 1 PDCCH common search space set is used to detect the DCI format scrambled by the RA-RNTI or MsgB-RNTI or TC-RNTI CRC.

[0377] As a subsidiary embodiment of the above embodiment, the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set refers to the demodulation reference signal of the control resource set corresponding to the type 1 PDCCH common search space set. As a subsidiary embodiment of the above embodiment, the corresponding relationship between the type 1 PDCCH common search space set and the control resource set is predefined or configured.

[0378] As a subsidiary embodiment of the above embodiment, the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set refers to the downlink reference signal included in a TCI state in the control resource set associated with the type 1 PDCCH common search space set.

[0379] As a subsidiary embodiment of the above embodiment, the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set refers to the downlink reference signal included in the TCI state with the smallest index value (ID) in the control resource set associated with the type 1 PDCCH common search space set.

[0380] As a subsidiary embodiment of the above embodiment, the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set refers to the demodulation reference signal of the PDCCH received on the type 1 PDCCH common search space set and its corresponding control resource set.

[0381] As a subsidiary embodiment of the above embodiment, the demodulation reference signal of the control resource set associated with the type 1 PDCCH common search space set refers to the downlink reference signal used to receive the PDCCH on the type 1 PDCCH common search space set.

[0382] As an embodiment, the technical feature "the target reference signal is the reference signal associated with random access" includes the following meaning: the target reference signal is the demodulation reference signal of the PDSCH (Physical Downlink Shared Channel) scheduled by the second signal.

[0383] As a subsidiary embodiment of the above embodiment, the reference signal associated with random access refers to the downlink reference signal quasi-co-located with the demodulation reference signal of the PDSCH scheduled by the second signal.

[0384] As a subsidiary embodiment of the above embodiment, the reference signal associated with random access refers to the downlink reference signal used to receive the PDSCH scheduled by the second signal.

[0385] As a subsidiary embodiment of the above embodiment, the reference signal associated with random access refers to the downlink reference signal having the same transmit beam as the PDSCH scheduled by the second signal.

[0386] As a subsidiary embodiment of the above embodiment, the reference signal associated with random access refers to the downlink reference signal having the same large-scale characteristics as the PDSCH scheduled by the second signal.

[0387] As a subsidiary embodiment of the above embodiment, the reference signal associated with the random access refers to a downlink reference signal that is the same as the transmission spatial parameter (or transmission spatial filter) of the PDSCH scheduled by the second signal.

[0388] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in an indicated TCI state.

[0389] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in a TCI state indicated for the PDCCH.

[0390] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in a TCI state indicated for the PDSCH.

[0391] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in any one of the configured multiple TCI states.

[0392] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in the TCI state with the smallest index value (ID) among the configured multiple TCI states.

[0393] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in an activated TCI state among the configured multiple TCI states.

[0394] As an embodiment, the technical feature that "the target reference signal is the reference signal included in a configured TCI state" includes the following meaning: the target reference signal is the reference signal included in any one of the activated multiple TCI states among the configured multiple TCI states.

[0395] As an embodiment, the technical feature "the target reference signal is a reference signal included in a configured TCI state" includes the following meaning: the target reference signal is a reference signal included in a TCI state with a minimum index value among multiple activated TCI states among multiple configured TCI states.

[0396] As an embodiment, the technical feature "the target reference signal is a reference signal included in a configured TCI state" includes the following meaning: the target reference signal is a reference signal included in an indicated TCI state among multiple activated TCI states among multiple configured TCI states.

[0397] Example 8

[0398] Example 8 illustrates a schematic diagram of the relationship between multiple TCI states and the second signal 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 figure, the horizontal axis represents time, each unfilled rectangular area represents a TCI state, #1 and #2 inside represent the corresponding index values, the rectangular area in the bold frame represents a TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain, and the rectangular area filled with cross lines represents the second signal.

[0399] In embodiment 8, the second signal in the present application is scheduled by the PDCCH included in the PDCCH common search space set of type 1, the second information block indicates multiple TCI states, and the target reference signal in the present application is a reference signal included in a TCI state among the multiple TCI states and corresponding to the symbol type of at least one symbol occupied by the second signal in the present application in the time domain.

[0400] As an embodiment, the target reference signal is a reference signal included in a TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain, ensuring that the optimal beam is used when the TCI state is configured, thereby improving random access performance.

[0401] As an embodiment, the TCI states are independently configured for different symbol types, thereby taking into account the implementation of full-duplex self-interference elimination, optimizing beam configuration, and improving performance.

[0402] As an embodiment, the technical feature "the second signal is scheduled by the PDCCH included in the type 1 PDCCH common search space set" includes the following meaning: the PDCCH included in the type 1 PDCCH common search space set schedules (or indicates or configures) the second signal.

[0403] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: all or part of the PDCCHs included in the set of type 1 PDCCH common search spaces are used to explicitly or implicitly indicate the time-frequency resources occupied by the second signal.

[0404] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: two fields included in the PDCCHs included in the set of type 1 PDCCH common search spaces respectively indicate the time domain resources and frequency domain resources occupied by the second signal.

[0405] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: one field included in the PDCCHs included in the set of type 1 PDCCH common search spaces simultaneously indicates the time domain resources and frequency domain resources occupied by the second signal.

[0406] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: the FDRA (frequency domain resource assignment) field and TDRA (time domain resource assignment) field included in the PDCCHs included in the set of type 1 PDCCH common search spaces respectively indicate the frequency domain resources and time domain resources occupied by the second signal.

[0407] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: the PDCCHs included in the set of type 1 PDCCH common search spaces indicate the time domain resources and frequency domain resources occupied by the second signal from among multiple candidate time-frequency resources, and the multiple candidate time-frequency resources are predefined or configured by higher layer signaling or parameters.

[0408] As an embodiment, the technical feature that "the second signal is scheduled by the PDCCH included in the set of type 1 PDCCH common search spaces" includes the following meaning: the PDCCHs included in the set of type 1 PDCCH common search spaces indicate at least one of the resource mapping frequency, frequency domain allocation, starting OFDM symbol in the time domain, code division multiplexing type, number of antenna ports, and density of the second signal.

[0409] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: all or part of what is included in the second information block is used to explicitly or implicitly indicate the multiple TCI states.

[0410] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block configures or activates the multiple TCI states.

[0411] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block includes the initial high-layer configuration of the multiple TCI states.

[0412] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block indicates all or part of the TCI states among the multiple TCI states.

[0413] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block indicates the identifier (ID) or index of all or part of the TCI states among the multiple TCI states.

[0414] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block includes multiple sub-information blocks, and the multiple sub-information blocks included in the second information block respectively indicate the multiple TCI states.

[0415] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block includes multiple "TCI-State" IEs.

[0416] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block configures a TCI state list for different symbol types, and the multiple TCI states are the TCI states included in the TCI state list.

[0417] As an example, the technical feature "the second information block indicates multiple TCI states" includes the following meanings: the second information block configures multiple TCI state lists for different symbol types, and the multiple TCI states are the TCI states included together by the multiple TCI state lists.

[0418] As an example, any one of the multiple TCI states includes at least one QCL assumption.

[0419] As an example, any one of the multiple TCI states is the IE "TCI-State".

[0420] As an example, any one of the multiple TCI states includes at least one reference signal and a corresponding QCL type.

[0421] As an example, any one of the multiple TCI states associates at least one reference signal and a corresponding QCL type.

[0422] As an example, any one of the multiple TCI states includes an index of at least one reference signal and a QCL type.

[0423] As an example, any one of the multiple TCI states includes at least one TCI state identifier and a QCL information.

[0424] As an example, any one of the multiple TCI states includes at least one TCI state identifier, a serving cell index, a BWP (bandwidth part) identifier, a reference signal resource identifier, and a QCL type.

[0425] As an example, any one of the multiple TCI states includes at least one TCI state identifier, a serving cell index, a BWP (bandwidth part) identifier, an SSB (synchronization signal / physical broadcast channel block) index or a CSI-RS (channel status information reference signal) identifier, and a QCL type.

[0426] As an example, any one of the multiple TCI states includes at least one TCI state identifier and a QCL information, and the QCL information includes at least a serving cell index, a BWP (bandwidth part) identifier, a reference signal identifier or index, and a QCL type.

[0427] As an example, any one of the multiple TCI states includes at least one TCI state identifier and QCL information, and the QCL information includes at least one serving cell index, one BWP (bandwidth part) identifier, one synchronization broadcast block (SSB or SS / PBCH block) index or channel state reference signal identifier, and one QCL type.

[0428] As an example, the second signal is configured with only 1 TCI state.

[0429] As an example, the second signal is configured with more than 1 TCI state.

[0430] As an example, the multiple TCI states are all for PDSCH.

[0431] As an example, the multiple TCI states are all for PDCCH.

[0432] As an example, the multiple TCI states are configured or indicated by the initial high-layer configuration for the second signal.

[0433] As an example, the multiple TCI states are configured or indicated by the second information block for the second signal.

[0434] As an example, the multiple TCI states are all for the first node.

[0435] As an example, the determination of the multiple TCI states is related to implementation, and the standard does not define it.

[0436] As an example, the multiple TCI states can be TCI states determined by the network or the base station to be suitable for the second signal or the first node.

[0437] As an example, the multiple TCI states are respectively for different symbol types.

[0438] As an example, among the multiple TCI states, there are two TCI states for different symbol types.

[0439] As an embodiment, the technical feature that "the target reference signal is a reference signal included in one TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain among the multiple TCI states" includes the following meanings: The symbol type of at least one time-domain symbol occupied by the second signal in the time domain is a first type, the first type is one of multiple symbol types, the symbol of any one of the multiple symbol types is associated with at least 1 TCI state among the multiple TCI states, and the target reference signal is a reference signal included (or indicated or provided) in any TCI state among at least 1 TCI state associated with the symbol of the first type. As a subsidiary embodiment of the above embodiment, the mutual association relationship (or correspondence relationship or mapping relationship) between any one of the multiple symbol types and the TCI state is predefined or configured.

[0440] As an embodiment, the technical feature that "the target reference signal is a reference signal included in one TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain among the multiple TCI states" includes the following meanings: The symbol type of at least one time-domain symbol occupied by the second signal in the time domain is a first type, the first type is one of multiple symbol types, the symbol of any one of the multiple symbol types is associated with at least 1 TCI state among the multiple TCI states, and the target reference signal is a reference signal included (or indicated or provided) in the first TCI state among at least 1 TCI state associated with the symbol of the first type. As a subsidiary embodiment of the above embodiment, the mutual association relationship (or correspondence relationship or mapping relationship) between any one of the multiple symbol types and the TCI state is predefined or configured.

[0441] As an embodiment, the technical feature that "the target reference signal is a reference signal included in one TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain among the multiple TCI states" includes the following meanings: The symbol type of at least one time-domain symbol occupied by the second signal in the time domain is a first type, the first type is one of multiple symbol types, the symbol of any one of the multiple symbol types is associated with 1 TCI state among the multiple TCI states, and the target reference signal is a reference signal included (or indicated or provided) in the 1 TCI state associated with the symbol of the first type. As a subsidiary embodiment of the above embodiment, the mutual association relationship (or correspondence relationship or mapping relationship) between any one of the multiple symbol types and the TCI state is predefined or configured.

[0442] As an embodiment, the technical feature that "the target reference signal is a reference signal included in one TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain among the multiple TCI states" includes the following meanings: the symbol type of at least one time-domain symbol occupied by the second signal in the time domain is a first type, the first type is one of multiple symbol types, the symbol of any one of the multiple symbol types is associated with at least one TCI state among the multiple TCI states, and the target reference signal is a reference signal included (or indicated or provided) in one activated (or indicated) TCI state among at least one TCI state associated with the symbol of the first type. As a subsidiary embodiment of the above embodiment, the mutual association relationship (or correspondence relationship or mapping relationship) between any one of the multiple symbol types and the TCI state is predefined or configured.

[0443] As an embodiment, the technical feature that "the target reference signal is a reference signal included in one TCI state corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain among the multiple TCI states" includes the following meanings: the symbol type of at least one time-domain symbol occupied by the second signal in the time domain is a first type, the first type is one of multiple symbol types, the symbol of any one of the multiple symbol types is associated with at least one TCI state among the multiple TCI states, and the target reference signal is a reference signal included (or indicated or provided) in the TCI state with the smallest index value among at least one activated TCI state associated with the symbol of the first type. As a subsidiary embodiment of the above embodiment, the mutual association relationship (or correspondence relationship or mapping relationship) between any one of the multiple symbol types and the TCI state is predefined or configured.

[0444] Example 9

[0445] Embodiment 9 exemplifies a schematic diagram of the configuration information of the first sub-band according to an embodiment of the present application, as shown in the appendix Figure 9 shown. In the appendix Figure 9 where the horizontal axis represents time, the vertical axis represents frequency, and the rectangular area filled with crosshairs is the configuration information of the first sub-band.

[0446] In Embodiment 9, the first information block in the present application indicates the configuration information of the first sub-band. The first sub-band in the present application is a full-duplex sub-band. The configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band. At least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain in the present application is a time-domain symbol for the first sub-band.

[0447] As an embodiment, "the first sub-band" and "the full-duplex sub-band" are equivalent or can be used interchangeably.

[0448] As an embodiment, the full-duplex sub-band is an SBFD sub-band.

[0449] As an embodiment, the full-duplex sub-band is an uplink SBFD sub-band.

[0450] As an embodiment, the full-duplex sub-band is a sub-band that can be used for uplink transmission in a downlink symbol or a flexible symbol.

[0451] As an embodiment, the full-duplex sub-band is a sub-band that can perform full-duplex transmission on both the network (or base station side) and the user equipment side.

[0452] As an embodiment, the full-duplex sub-band is a sub-band that supports self-interference cancellation.

[0453] As an embodiment, the full-duplex sub-band is a sub-band that can be used for uplink transmission in a symbol configured or indicated as a downlink or flexible symbol by the information element tdd-UL-DL-ConfigCommon.

[0454] As an embodiment, the full-duplex sub-band is a sub-band that can be used for uplink transmission in a symbol configured or indicated as a downlink symbol by the information element tdd-UL-DL-ConfigCommon.

[0455] As an embodiment, the full-duplex sub-band is a set of CRBs (common resource blocks) that can be used for uplink transmission in a symbol configured or indicated as a downlink symbol by the information element tdd-UL-DL-ConfigCommon.

[0456] As an embodiment, the time-domain symbol for the first sub-band is the time-domain symbol configured for the full-duplex sub-band.

[0457] As an example, the time domain symbol for the first sub-band is a SBFD symbol or a full-duplex sub-band symbol.

[0458] As an example, the "time domain symbol for the first sub-band" and the "full-duplex sub-band symbol" are equivalent or can be used interchangeably.

[0459] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: the first information block indicates the first sub-band.

[0460] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: all or part of what the first information block includes is used to explicitly or implicitly indicate the configuration information of the first sub-band.

[0461] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: the first information block is used to determine the configuration information of the first sub-band.

[0462] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: the configuration information of the first sub-band depends on the first information block.

[0463] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: all or part of what the first information block includes is used to explicitly or implicitly indicate the frequency domain configuration information of the first sub-band.

[0464] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: all or part of what the first information block includes is used to explicitly or implicitly indicate the time domain configuration information of the time domain symbol for the first sub-band.

[0465] As an example, the technical feature "the first information block indicates the configuration information of the first sub-band" includes the following meaning: all or part of what the first information block includes is used to explicitly or implicitly indicate the frequency domain configuration information of the first sub-band and the time domain configuration information of the time domain symbol for the first sub-band.

[0466] As an example, the technical feature "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time domain symbol for the first sub-band" includes the following meaning: the configuration information of the first sub-band includes the resource blocks included in the first sub-band.

[0467] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the starting RB (or the RB with the lowest index) of the first sub - band.

[0468] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the number of RBs (resource blocks) included in the first sub - band.

[0469] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the RIV (resource indicator value) corresponding to the first sub - band.

[0470] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the RIV corresponding to the first sub - band, and the starting RB and the number of consecutive RBs included in the first sub - band are used to generate the corresponding RIV.

[0471] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the SLIV (start and length indicator value) corresponding to the first sub - band.

[0472] As an example, the technical feature that "the configuration information of the first sub - band includes the resource blocks included in the first sub - band and the time - domain symbols for the first sub - band" has the following meanings: The configuration information of the first sub - band includes the SLIV corresponding to the first sub - band, and the starting RB and the number of consecutive RBs included in the first sub - band are used to generate the corresponding SLIV.

[0473] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meanings: The configuration information of the first sub-band includes the number of CRBs between the lowest-index CRB included in the first sub-band and point A (frequency point A) and the number of consecutive CRBs included in the first sub-band.

[0474] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meanings: The configuration information of the first sub-band includes the number of CRBs for the reference subcarrier spacing between the lowest-index CRB for the reference subcarrier spacing included in the first sub-band and point A (frequency point A) and the number of consecutive CRBs for the reference subcarrier spacing included in the first sub-band. As a subsidiary example of the above example, the reference subcarrier spacing is equal to the subcarrier spacing in a resource grid of an uplink. As a subsidiary example of the above example, the reference subcarrier spacing is equal to the subcarrier spacing in a resource grid of a downlink, and the advantage of doing so is to improve scheduling flexibility. As a subsidiary example of the above example, the reference subcarrier spacing is related to the frequency range (FR). As a subsidiary example of the above example, the reference subcarrier spacing is predefined or configured. As a subsidiary example of the above example, the reference subcarrier spacing is the maximum value among the subcarrier spacings respectively targeted by the configured multiple uplink resource grids; the advantage of doing so is to ensure alignment with uplink resources. As a subsidiary example of the above example, the reference subcarrier spacing is the maximum value among the subcarrier spacings respectively targeted by the configured multiple downlink resource grids; the advantage of doing so is to ensure alignment with downlink resources. As a subsidiary example of the above example, the reference subcarrier spacing is the maximum value among the subcarrier spacings respectively targeted by all the configured resource grids; the advantage of doing so is to ensure alignment with both uplink and downlink resources.

[0475] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meanings: The configuration information of the first sub-band includes the time-domain symbols for the first sub-band.

[0476] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the time-domain pattern of the full-duplex sub-band symbols.

[0477] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the time-domain distribution of the full-duplex sub-band symbols.

[0478] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the period of the full-duplex sub-band symbols.

[0479] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the starting symbol of the full-duplex sub-band symbols.

[0480] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the time-domain starting symbol and the number of symbols in the time domain of the full-duplex sub-band symbols.

[0481] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the SLIV (start and length indicator value) of the full-duplex sub-band symbols.

[0482] As an example, the technical feature that "the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time-domain symbols for the first sub-band" has the following meaning: the configuration information of the first sub-band includes the time-domain starting time slot and the number of time slots in the time domain of the full-duplex sub-band symbols.

[0483] As an example, the technical feature that "at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band" includes the following meaning: The first PDCCH occupies at least one time domain symbol for the first sub-band in the time domain.

[0484] As an example, the technical feature that "at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band" includes the following meaning: The first PDCCH occupies (or is mapped or configured with) at least one SBFD symbol in the time domain.

[0485] As an example, the technical feature that "at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band" includes the following meaning: The first PDCCH occupies (or is mapped or configured with) at least one SBFD symbol in the time domain and the second signal occupies (or is mapped or configured with) at least one SBFD symbol in the time domain.

[0486] As an example, the technical feature that "at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band" includes the following meaning: At least one symbol occupied by the first PDCCH in the time domain overlaps with an SBFD symbol; or at least one symbol occupied by the second signal in the time domain overlaps with an SBFD symbol; or at least one symbol occupied by the first PDCCH in the time domain overlaps with an SBFD symbol and at least one symbol occupied by the second signal in the time domain overlaps with an SBFD symbol.

[0487] As an example, the technical feature that "at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band" includes the following meaning: The symbol type of at least one symbol occupied by the first PDCCH in the time domain is an SBFD symbol; or the symbol type of at least one symbol occupied by the second signal in the time domain is an SBFD symbol; or the symbol types of at least one symbol occupied by the first PDCCH in the time domain and at least one symbol occupied by the second signal in the time domain are both SBFD symbols.

[0488] Example 10

[0489] Example 10 exemplifies a schematic diagram of a third information block according to an embodiment of the present application, as shown in the appendix Figure 10 In the appendix Figure 10 , the horizontal axis represents time, and the cross-filled rectangular area represents the symbol for the full-duplex sub-band. The third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0490] In Example 10, the third information block in the present application indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0491] As an embodiment, the technical feature "the third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band" includes the following meaning: the third information block indicates whether the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0492] As an embodiment, the technical feature "the third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band" includes the following meaning: all or part of what the third information block includes is used to explicitly or implicitly indicate that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0493] As an embodiment, the technical feature "the third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band" includes the following meaning: the sender of the third information block is a device that supports SBFD, and this device that supports SBFD can perform a random access process on the SBFD symbol.

[0494] As an embodiment, the technical feature "the third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band" includes the following meaning: a parameter or field included in the third information block being equal to a given value is used to indicate that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0495] As an embodiment, the technical feature "the third information block indicates that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band" includes the following meaning: the third information block includes a field indicating that the sender of the third information block supports the random access process in the symbol for the full-duplex sub-band.

[0496] As an embodiment, the technical feature that "the third information block indicates that the sender of the third information block supports the random access process in the symbols for the full-duplex sub-band" includes the following meaning: the third information block indicates that the sender of the third information block has the ability to perform random access in the symbols for the full-duplex sub-band.

[0497] Example 11

[0498] Embodiment 11 exemplifies a schematic diagram of a synchronization broadcast block or a channel state information reference signal associated with a first signal according to an embodiment of the present application, as shown in the appendix Figure 11 as shown. In the appendix Figure 11 shown, the unfilled rectangular area represents an SSB, and #1 and #2 inside respectively represent the index values of the corresponding SSB. The synchronization broadcast block or the channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0499] In Embodiment 11, the synchronization broadcast block or the channel state information reference signal associated with the first signal in the present application depends on the symbol type of at least one symbol occupied by the first signal in the time domain in the present application.

[0500] As an embodiment, the technical feature that "the synchronization broadcast block or the channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the index of the synchronization broadcast block corresponding to the synchronization broadcast block or the channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0501] As an embodiment, the SSB associated with PRACH is associated with the symbol type, so as to support independent mapping between PRACH and SSB for different symbol types, avoid affecting the random access beam of existing users, and ensure backward compatibility.

[0502] As an embodiment, the technical feature that "the synchronization broadcast block or the channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the synchronization broadcast block or the channel state information reference signal associated with the first signal is related to the symbol type of at least one symbol occupied by the first signal in the time domain.

[0503] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the symbol type of at least one symbol occupied by the first signal in the time domain is used to determine the synchronization broadcast block or channel state information reference signal associated with the first signal.

[0504] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the symbol type of at least one symbol occupied by the first signal in the time domain is used to determine the synchronization broadcast block or channel state information reference signal associated with the random access preamble included in the first signal.

[0505] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the correspondence between the synchronization broadcast block or channel state information reference signal associated with the first signal and the symbol type of at least one symbol occupied by the first signal in the time domain is predefined or configurable.

[0506] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the PRACH opportunity for transmitting the first signal in the time domain.

[0507] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the PRACH opportunities located in SBFD symbols and the PRACH opportunities located in non-SBFD symbols are each mapped to a synchronization broadcast block or channel state information reference signal.

[0508] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meaning: the correspondence between the synchronization broadcast block or channel state information reference signal associated with the first signal and the symbol type of at least one symbol occupied by the PRACH opportunity for transmitting the first signal in the time domain is predefined or configurable.

[0509] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meanings: the symbol type of at least one time-domain symbol occupied by the first signal in the time domain is the first type, the first type is one of multiple symbol types, any symbol type among the multiple symbol types is associated with an SSB index in an SSB burst set, and the synchronization broadcast block or channel state information reference signal associated with the first signal is the synchronization broadcast block or channel state information reference signal corresponding to the SSB index associated with the first type. As a subsidiary example of the above example, the cross-association relationship (or corresponding relationship or mapping relationship) between any symbol type among the multiple symbol types and an SSB index is predefined or configured.

[0510] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meanings: the PRACH opportunities located in SBFD symbols are associated with SSBs in sequence according to a given order, and the PRACH opportunities located in non-SBFD symbols are also associated with SSBs in sequence according to a given order.

[0511] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes: the mapping between the synchronization broadcast block index and the valid PRACH opportunities located in SBFD symbols is performed in sequence according to the mapping order of the preamble index in a PRACH opportunity first, then the frequency resource index of the frequency-divided PRACH opportunity, then the time-domain resource index of the time-divided PRACH opportunity in a PRACH time slot, and finally the index of the PRACH time slot; the mapping between the synchronization broadcast block index and the valid PRACH opportunities located in non-SBFD symbols is performed in sequence according to the mapping order of the preamble index in a PRACH opportunity first, then the frequency resource index of the frequency-divided PRACH opportunity, then the time-domain resource index of the time-divided PRACH opportunity in a PRACH time slot, and finally the index of the PRACH time slot.

[0512] As an embodiment, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes: The synchronization broadcast blocks are mapped in sequence according to the mapping order of the indexes 0, 1,... and the valid PRACH opportunities located in the SBFD symbols, first according to the preamble index in one PRACH opportunity, then according to the frequency resource index of the frequency division PRACH opportunity, then according to the time domain resource index of the time division PRACH opportunity in one PRACH time slot, and finally according to the index of the PRACH time slot; The synchronization broadcast blocks are mapped in sequence according to the mapping order of the indexes 0, 1,... and the valid PRACH opportunities located in the non-SBFD symbols, first according to the preamble index in one PRACH opportunity, then according to the frequency resource index of the frequency division PRACH opportunity, then according to the time domain resource index of the time division PRACH opportunity in one PRACH time slot, and finally according to the index of the PRACH time slot.

[0513] As an embodiment, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" has the following meaning: When the first signal occupies (or is mapped or configured) an SBFD symbol in the time domain, the index of the synchronization broadcast block corresponding to the synchronization broadcast block or channel state information reference signal associated with the first signal is the first SSB index; When the first signal occupies (or is mapped or configured) a non-SBFD symbol in the time domain, the index of the synchronization broadcast block corresponding to the synchronization broadcast block or channel state information reference signal associated with the first signal is the second SSB index. As a subsidiary embodiment of the above embodiment, the first SSB index is an SSB Index and the second SSB index is an SSBIndex. As a subsidiary embodiment of the above embodiment, the first SSB index is a non-negative integer and the second SSB index is a non-negative integer. As a subsidiary embodiment of the above embodiment, the first SSB index is not greater than 7 and the second SSB index is not greater than 7. As a subsidiary embodiment of the above embodiment, the first SSB index identifies an SSB and the second SSB index identifies an SSB. As a subsidiary embodiment of the above embodiment, the SSB identified by the first SSB index and the SSB identified by the second SSB index are transmitted in the same SSB burst set. As a subsidiary embodiment of the above embodiment, the value of the first SSB index is the same as the value of the second SSB index. As a subsidiary embodiment of the above embodiment, the value of the first SSB index is different from the value of the second SSB index.

[0514] As an example, the technical feature "the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain" includes the following meanings: when the PRACH opportunity for transmitting the first signal belongs to the first type of PRACH opportunity, the index of the synchronization broadcast block corresponding to the synchronization broadcast block or channel state information reference signal associated with the first signal is the first SSB index; when the PRACH opportunity for transmitting the first signal belongs to the second type of PRACH opportunity, the index of the synchronization broadcast block corresponding to the synchronization broadcast block or channel state information reference signal associated with the first signal is the second SSB index; both the first type of PRACH opportunity and the second type of PRACH opportunity are associated with an SSB burst set. As a subsidiary example of the above example, the symbol type of at least one symbol occupied (or mapped or overlapped) by any PRACH opportunity included in the first type of PRACH opportunity in the time domain is an SBFD symbol; the symbol type of at least one symbol occupied (or mapped or overlapped) by any PRACH opportunity included in the second type of PRACH opportunity in the time domain is a non-SBFD symbol. As a subsidiary example of the above example, the symbol type of at least one symbol occupied (or mapped or overlapped) by any PRACH opportunity included in the first type of PRACH opportunity in the time domain is a non-SBFD symbol; the symbol type of at least one symbol occupied (or mapped or overlapped) by any PRACH opportunity included in the second type of PRACH opportunity in the time domain is an SBFD symbol. As a subsidiary example of the above example, the PRACH opportunities included in both the first type of PRACH opportunity and the second type of PRACH opportunity are used to transmit PRACH. As a subsidiary example of the above example, the first type of PRACH opportunity and the second type of PRACH opportunity are respectively mapped to the same SSB burst set according to the configuration of different RRC signaling. As a subsidiary example of the above example, the first type of PRACH opportunity and the second type of PRACH opportunity are respectively mapped to the same SSB burst set according to different domains of the same RRC signaling. As a subsidiary example of the above example, the first SSB index is an SSB Index and the second SSB index is an SSB Index. As a subsidiary example of the above example, the first SSB index is a non-negative integer and the second SSB index is a non-negative integer. As a subsidiary example of the above example, the first SSB index is not greater than 7 and the second SSB index is not greater than 7. As a subsidiary example of the above example, the first SSB index identifies an SSB and the second SSB index identifies an SSB.As a subsidiary embodiment of the above embodiment, the SSB identified by the first SSB index and the SSB identified by the second SSB index are transmitted in the same SSB burst set. As a subsidiary embodiment of the above embodiment, the value of the first SSB index is the same as the value of the second SSB index. As a subsidiary embodiment of the above embodiment, the value of the first SSB index is different from the value of the second SSB index.

[0515] Example 12

[0516] Embodiment 12 exemplifies a structural block diagram of a processing device in a first node, as shown in the appendix Figure 12 shown. In the appendix Figure 12 shown, the processing device 1200 in the first node includes a first transceiver 1201. The first transceiver 1201 includes the transmitter / receiver 456 (including antenna 460), a receiving processor 452, and a controller / processor 490 in the appendix of the present application Figure 4 shown.

[0517] In Embodiment 12, the first transceiver 1201 receives a first information block, receives a first PDCCH, and transmits a first signal. The first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble;

[0518] The first transceiver 1201 receives a second signal, and the second signal is associated with a RA-RNTI;

[0519] wherein, the demodulation reference signal of the second signal is quasi co-located with a target reference signal, and the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain and the symbol types of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

[0520] As an embodiment, the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell. The first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0521] As an embodiment, when the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain, and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi-co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0522] As an embodiment, the first transceiver 1201 receives a second information block; wherein, the second signal is scheduled by a PDCCH included in a Type 1 PDCCH common search space set, the second information block indicates multiple TCI states, and the target reference signal is the reference signal included in a TCI state corresponding to the symbol type of at least one symbol occupied by the second signal among the multiple TCI states.

[0523] As an embodiment, the first information block indicates configuration information of a first sub-band, the first sub-band is a full-duplex sub-band, and the configuration information of the first sub-band includes resource blocks included in the first sub-band and time domain symbols for the first sub-band; at least one of the symbol type of at least one symbol occupied by the first PDCCH in the time domain or the symbol type of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band.

[0524] As an embodiment, the first transceiver 1201 transmits a third information block; wherein, the third information block indicates that the sender of the third information block supports a random access process in symbols for a full-duplex sub-band.

[0525] As an embodiment, the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0526] Example 13

[0527] Embodiment 13 exemplifies a structural block diagram of a processing device in a second node, as shown in the appendix Figure 13 shown. In the appendix Figure 13 shown, the processing device 1300 in the second node includes a second transceiver 1301. The second transceiver 1301 includes the transmitter / receiver 416 (including antenna 460), a transmit processor 415, and a controller / processor 440 in the appendix of the present application Figure 4 shown.

[0528] In Embodiment 13, the second transceiver 1301 transmits a first information block, transmits a first PDCCH, and receives a first signal. The first PDCCH is used to trigger the transmission of the first signal, and the first signal at least includes a random access preamble;

[0529] The second transceiver 1301 transmits a second signal, and the second signal is associated with a RA-RNTI;

[0530] Wherein, the demodulation reference signal of the second signal and a target reference signal are quasi co-located, and the target reference signal is related to whether the symbol types of at least one symbol occupied by the first PDCCH in the time domain and the symbol types of at least one symbol occupied by the second signal in the time domain are the same; the symbol types of at least one symbol occupied by the first PDCCH in the time domain depend on the first information block, and the symbol types of at least one symbol occupied by the second signal in the time domain depend on the first information block.

[0531] As an embodiment, the target reference signal is related to whether the non-competitive random access triggered by the first PDCCH is for a special cell. The first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

[0532] As an embodiment, when the symbol types of at least one symbol occupied by the first PDCCH in the time domain and the symbol types of at least one symbol occupied by the second signal in the time domain are the same and the non-competitive random access triggered by the first PDCCH is for a special cell, the target reference signal is the reference signal quasi co-located with the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

[0533] As an embodiment, the second transceiver 1301 transmits a second information block; wherein, the second signal is scheduled by a PDCCH included in a type 1 PDCCH common search space set, the second information block indicates multiple TCI states, and the target reference signal is the reference signal included in a TCI state corresponding to the symbol types of at least one symbol occupied by the second signal among the multiple TCI states.

[0534] As an embodiment, the first information block indicates configuration information of a first sub-band, the first sub-band being a full-duplex sub-band, and the configuration information of the first sub-band includes resource blocks included in the first sub-band and time-domain symbols for the first sub-band; at least one of the symbol types of at least one symbol occupied by the first PDCCH in the time domain or the symbol types of at least one symbol occupied by the second signal in the time domain is a time-domain symbol for the first sub-band.

[0535] As an embodiment, the second transceiver 1301 receives a third information block; wherein, the third information block indicates that the sender of the third information block supports a random access procedure in symbols for a full-duplex sub-band.

[0536] As an embodiment, the synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

[0537] Those of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing 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 disc, etc. Optionally, all or part of the steps in the above embodiments can also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiments can be implemented in hardware form or in the form of a software function module. This application is not limited to any specific form of the combination of software and hardware. The first node or the second node or the UE or the terminal in this application includes but is not limited to mobile phones, tablet computers, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircraft, airplanes, drones, remote control airplanes, test devices, test equipment, test instruments, etc. The base station device or the base station or the network-side device in this application includes but is not limited to macrocell base stations, microcell base stations, home base stations, relay base stations, eNBs, gNBs, transmission and reception nodes TRPs, relay satellites, satellite base stations, aerial base stations, test devices, test equipment, test instruments, etc.

[0538] Those skilled in the art should understand that the present invention can be implemented in other specific forms without departing from its core or basic characteristics. Therefore, the currently disclosed embodiments should be considered descriptive rather than restrictive in any case. The scope of the invention is determined by the appended claims rather than the previous description, and all modifications within the equivalent meaning and scope are considered to be included therein.

Claims

1. A first node used for wireless communication, characterized in that: include: A first transceiver receives a first information block, receives a first PDCCH, and sends a first signal, where the first PDCCH is used to trigger the sending of the first signal, and the first signal includes at least a random access preamble; A first transceiver receives a second signal, where the second signal is associated with the RA-RNTI; The demodulation reference signal and the target reference signal of the second signal are quasi-co-located, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain and the symbol type of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

2. The first node according to claim 1, characterized in that The target reference signal is related to whether the non-contention random access triggered by the first PDCCH is for a special cell, and the first PDCCH indicates the time-frequency resources occupied by the first signal and the random access preamble included in the first signal.

3. The first node according to claim 1 or 2, characterized in that When the symbol type of at least one symbol occupied by the first PDCCH in the time domain is the same as the symbol type of at least one symbol occupied by the second signal in the time domain and the non-contention random access triggered by the first PDCCH is for a special cell, the target reference signal is the quasi-co-located reference signal of the first PDCCH; otherwise, the target reference signal is the reference signal associated with the random access or the target reference signal is the reference signal included in a configured TCI state.

4. The first node according to any one of claims 1 to 3, characterized in that: The first transceiver receives a second information block; wherein, the second signal is scheduled by a PDCCH included in a type 1 PDCCH common search space set, the second information block indicates multiple TCI states, and the target reference signal is a reference signal included in a TCI state among the multiple TCI states corresponding to the symbol type of at least one symbol occupied by the second signal in the time domain.

5. The first node according to any one of claims 1 to 4, characterized in that: The first information block indicates configuration information of the first sub-band, the first sub-band is a full-duplex sub-band, the configuration information of the first sub-band includes the resource blocks included in the first sub-band and the time domain symbols for the first sub-band; at least one of the symbol type of at least one symbol occupied by the first PDCCH in the time domain or the symbol type of at least one symbol occupied by the second signal in the time domain is a time domain symbol for the first sub-band.

6. The first node according to any one of claims 1 to 5, characterized in that: The first transceiver transmits a third information block, wherein the third information block indicates that a sender of the third information block supports a random access procedure in symbols for a full-duplex sub-band.

7. The first node according to any one of claims 1 to 6, characterized in that: The synchronization broadcast block or channel state information reference signal associated with the first signal depends on the symbol type of at least one symbol occupied by the first signal in the time domain.

8. A second node used for wireless communication, characterized in that: include: A second transceiver transmits a first information block, transmits a first PDCCH, and receives a first signal, wherein the first PDCCH is used to trigger the transmission of the first signal, and the first signal includes at least a random access preamble; A second transceiver sends a second signal, where the second signal is associated with the RA-RNTI; The demodulation reference signal and the target reference signal of the second signal are quasi-co-located, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain and the symbol type of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

9. A method in a first node for wireless communication, characterized in that: include: receiving a first information block, receiving a first PDCCH and sending a first signal, where the first PDCCH is used to trigger the sending of the first signal, and the first signal includes at least a random access preamble; receiving a second signal, the second signal being associated with the RA-RNTI; The demodulation reference signal and the target reference signal of the second signal are quasi-co-located, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain and the symbol type of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

10. A method used in a second node of wireless communication, characterized in that: include: Sending a first information block, sending a first PDCCH and receiving a first signal, where the first PDCCH is used to trigger the sending of the first signal, and the first signal includes at least a random access preamble; sending a second signal, where the second signal is associated with the RA-RNTI; The demodulation reference signal and the target reference signal of the second signal are quasi-co-located, and the target reference signal is related to whether the symbol type of at least one symbol occupied by the first PDCCH in the time domain and the symbol type of at least one symbol occupied by the second signal in the time domain are the same; the symbol type of at least one symbol occupied by the first PDCCH in the time domain depends on the first information block, and the symbol type of at least one symbol occupied by the second signal in the time domain depends on the first information block.

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