CN112601288B

CN112601288B - Method and device used in user equipment and base station for wireless communication

Info

Publication number: CN112601288B
Application number: CN202011397001.6A
Authority: CN
Inventors: 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2022-05-31
Anticipated expiration: 2037-05-04
Also published as: CN112601287A; CN112601288A; CN109245869A; CN109245869B

Abstract

The application discloses a method and a device in a user equipment, a base station and the like used for wireless communication. The user equipment first receives the first signaling, then transmits the first wireless signal, and then transmits the second signaling. The time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a secondary link respectively. The first wireless signal and the time domain resource occupied by the second signaling are associated through design, control signaling on the sidelink in D2D transmission monitoring of the adjacent base station is achieved, interference coordination among cells is achieved, and system performance and transmission efficiency are improved.

Description

Method and device used in user equipment and base station for wireless communication

The present application is a divisional application of the following original applications:

application date of the original application: 2017.05.04

- -application number of the original application: 201710307301.2

The invention of the original application is named: method and device used in user equipment and base station for wireless communication

Technical Field

The present application relates to transmission methods and apparatus in wireless communications, and more particularly, to methods and apparatus used for communication between an aerial terminal and a ground terminal.

Background

In 3GPP (3rd Generation Partner Project) Release 12, D2D (Device to Device) communication is established and discussed, and an essential feature of D2D is to allow data transfer between UEs (User Equipment). In the current Mode 1 transmission Mode in D2D transmission, a base station sends a resource occupied by a pscch on a secondary link (Sidelink) to a sending terminal in D2D transmission through DCI (downlink Control Information), and then the sending terminal sends the resource occupied by the pscch to a receiving terminal in D2D transmission through SCI (Sidelink Control Information) and the pscch, so as to implement data communication.

In the discussion of 3GPP regarding 5G, the SI (Study Item) regarding Enhanced Support for air services (Enhanced Support for air services) has been established and discussed in 3 GPP. One characteristic of air communication is that the moving speed of an air terminal is high, and because the link between the air terminal and the ground base station is mostly a LOS (Line of Sight) path, the transmission of the air terminal can be simultaneously monitored by a plurality of ground base stations.

Disclosure of Invention

An important feature of air communication is that the moving speed of the air terminal is high. Meanwhile, after the air terminal reaches a certain height, LOS paths are often formed between the air terminal and the ground base station, and further, the transmission of one air terminal can generate interference on uplink reception of a plurality of base stations on the ground. In order to solve the above problem, one solution is to use the conventional Inter-Cell Interference Coordination (ICIC) method to avoid Interference through the configuration and interaction of resource pools between base stations. However, because the terminals moving faster over the air, the interaction on the backhaul link (backhaul) apparently cannot solve the problem of the rapid change in interference due to high-speed movement.

The present application provides a solution to the above problems. It should be noted that the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without conflict. For example, embodiments and features in embodiments in the user equipment of the present application may be applied in the base station and vice versa.

The application discloses a method used in a user equipment for wireless communication, characterized by comprising:

-step a. receiving a first signalling;

-step b. transmitting a first wireless signal;

-step c. sending a second signaling;

wherein the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a secondary link respectively.

As an example, one peculiarity of the above method lies in: the user equipment informs the adjacent cell of the user equipment service cell of receiving the time of the second signaling through the first wireless signal, and then the adjacent cell monitors the second signaling to obtain the time-frequency resource occupied by the second wireless signal scheduled by the second signaling, and further avoids the time-frequency resource occupied by the second wireless signal through scheduling so as to realize inter-cell interference coordination.

As an example, the above method has the benefits of: the first wireless signal is physical layer signaling and is dynamically transmitted; compared with the conventional ICIC method based on X2 interaction, in the method, the neighboring cell monitors the second signaling more timely, and then avoids interference through dynamic scheduling, so as to adapt to a scene with fast interference change caused by fast terminal movement in the air.

As an example, the Cellular Link corresponds to Cellular Link.

As an embodiment, the cellular Link corresponds to a uulink.

As an embodiment, the secondary Link corresponds to a Sidelink Link.

As one example, the secondary Link corresponds to a PC5 Link.

As an embodiment, the using of the time domain resource occupied by the first signaling to determine the time domain resource occupied by the second signaling means: the first signaling occupies a first time window in a time domain, the second signaling occupies a second time window in the time domain, the difference between the starting time of the first time window and the starting time of the second time window in the time domain is K1 time units, and K1 is a positive integer.

As an embodiment, the using of the time domain resource occupied by the first signaling to determine the time domain resource occupied by the second signaling means: the time domain resource occupied by the first signaling is used by the user equipment to determine the time domain resource occupied by the second signaling.

As a sub-embodiment of either of the above two embodiments, the time window is continuous in the time domain.

As a sub-embodiment of any of the above two embodiments, the first signaling is used to determine the K1.

As an additional embodiment of this sub-embodiment, the first signaling includes a PSCCH Resource (Resource for PSCCH) field in TS 36.212, which is used to determine the K1.

As a sub-embodiment of either of the two embodiments described above, the K1 is fixed.

As a sub-embodiment of any one of the two embodiments, the K1 is determined by RRC (Radio Resource Control) signaling.

As a subsidiary embodiment of this sub-embodiment, the RRC signalling is UE-Specific.

As a sub-embodiment of any one of the above two embodiments, the K1 is not less than 4.

As a sub-embodiment of any one of the two embodiments, that the difference between the start time of the first time window and the start time of the second time window in the time domain is K1 time units means: the starting time of the first time window is T1 ms, the time unit occupies T2 ms in the time domain, the starting time of the second time window is (T1+ T2 × K1), and both T1 and T2 are real numbers greater than 0.

As a sub-embodiment of any one of the two embodiments, that the difference between the start time of the first time window and the start time of the second time window in the time domain is K1 time units means: the second time window occupies time unit # K, the second time window occupies time unit # (K + K1), and K is a positive integer.

As an embodiment, the determining, by the first wireless signal, the time domain resource occupied by the second signaling refers to: the first wireless signal occupies a target time window in a time domain, the second signaling occupies a second time window in the time domain, and the difference between the starting time of the target time window and the starting time of the second time window in the time domain is K2 time units; the K2 is fixed or the K2 is indicated by the first wireless signal.

As an embodiment, the determining, by the first wireless signal, the time domain resource occupied by the second signaling refers to: the first wireless signal is used by a second node to determine a time domain resource occupied by the second signaling, and a recipient of the first wireless signal includes the second node.

As a sub-embodiment of either of the two embodiments described above, the time window is continuous in the time domain.

As a sub-embodiment of any one of the two embodiments, the second time window belongs to a second time domain resource pool, the second node detects the first wireless signal from a candidate time window, a start time of the candidate time window and a start time of the second time domain resource pool are different by K3 time units in a time domain, and K3 is a positive integer not less than K2.

As a sub-embodiment of either of the two embodiments above, the first wireless signal explicitly indicates the K2.

As a sub-embodiment of either of the two embodiments above, the first wireless signal implicitly indicates the K2.

As a sub-embodiment of any one of the two embodiments, that the difference between the start time of the target time window and the start time of the second time window in the time domain is K2 time units means: the start time of the target time window is T3 ms, the time unit occupies T4 ms in the time domain, the start time of the second time window is (T3+ T4 × K2) ms, and both T3 and T4 are real numbers greater than 0.

As a sub-embodiment of any one of the two embodiments, that the difference between the start time of the target time window and the start time of the second time window in the time domain is K2 time units means: the target time window occupies time unit # L, the second time window occupies time unit # (L + K2), and L is a positive integer.

As a sub-embodiment of any one of the above two embodiments, the K2 is not less than 4.

As an embodiment, the first signaling is a DCI.

As an embodiment, the second signaling is a SCI.

As an embodiment, the first signaling is physical layer signaling, and a DCI Format (Format) corresponding to the physical layer signaling is one of DCI formats {5, 5A }.

As a sub-embodiment of this embodiment, the DCI format corresponding to the physical layer signaling is DCI format 5, the first signaling includes Cyclic Redundancy Check (CRC), and the CRC is scrambled by SL-RNTI (Sidelink Radio Network Temporary Identifier).

As a sub-embodiment of this embodiment, the DCI format corresponding to the physical layer signaling is DCI format 5A, the first signaling includes CRC, and the CRC is scrambled by SL-V-RNTI (Sidelink V2X Radio Network Temporary Identifier).

As an embodiment, the second signaling is physical layer signaling, and the SCI format corresponding to the physical layer signaling is one of SCI formats {0, 1 }.

As an embodiment, the second signaling includes a CRC, the CRC not being scrambled.

As an embodiment, a given time window occupies T time units described in the present invention in the time domain, where T is a positive integer, and the given time window is one of { first time window, second time window, target time window, candidate time window } in the present invention.

As a sub-embodiment of this embodiment, T is equal to 1.

As a sub-embodiment of this embodiment, the T time units described in the present invention are consecutive in the time domain.

As an embodiment, the time unit in the present invention corresponds to one Subframe (Subframe).

As an embodiment, the time unit in the present invention corresponds to one Slot (Slot).

As an embodiment, the time unit in the present invention corresponds to a micro-Slot (Mini-Slot).

As an embodiment, the first signaling is used to determine the second signaling.

As a sub-embodiment of this embodiment, the DCI format to which the first signaling corresponds is DCI format 5, the first signaling includes a SCI format 0 Field (Field), and the SCI format 0 Field is used to determine the second signaling.

As a sub-embodiment of this embodiment, the DCI format corresponding to the first signaling is DCI format 5A, the first signaling includes a SCI format 1 Field (Field), and the SCI format 1 Field is used to determine the second signaling.

According to one aspect of the application, the method described above is characterized by comprising:

-step A0. receiving the first information;

wherein the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

As an embodiment, the above method is characterized in that: and the base station corresponding to the service cell of the user equipment configures time-frequency code resources for transmitting the first wireless signal for the user equipment so as to ensure that the transmission of the first wireless signal is not interfered by other signals.

As an embodiment, the first wireless Signal includes at least one of { PSSS (Primary link Synchronization Signal, Primary and Secondary link Synchronization Signal) } SSSS (Secondary link Synchronization Signal ), SRS (Sounding Reference Signal).

As an embodiment, the first identification is used to initialize a generator of the first sequence of features.

As a sub-embodiment of any of the two above-mentioned embodiments, a given higher layer signaling indicates the first identity, and the given higher layer signaling includes SL-SyncConfig IE (Information Elements) in TS 36.331.

As a sub-embodiment of any one of the above two embodiments, the first flag is an integer not less than 0 and not more than 167.

As a sub-embodiment of any of the two embodiments, the first Identifier is slsid (Sidelink Synchronization Sequence Identifier).

As a sub-embodiment of any one of the above two embodiments, the first wireless signal includes PSSS, and the first identification is referred to in TS 36.211

The first signature sequence is referenced to d in section 9.7.1 in TS 36.211_i(n)。

As a sub-embodiment of any of the two above embodiments, the first wireless signal includes SSSS, and the first identity is referred to in TS 36.211

The first signature sequence is referenced to d in section 9.7.2 in TS 36.211_i(n)。

As a sub-embodiment of any one of the two embodiments, the first wireless signal includes an SRS, and the first wireless signal includes a first reference signal (SRS)Identification in reference TS 36.211

As an embodiment, the first wireless signal occupies a target time window in a time domain, the second signaling occupies a second time window in the time domain, a start time of the target time window is K2 time units different from a start time of the second time window in the time domain, the first signature sequence belongs to a candidate signature sequence set, the K2 belongs to a first integer set, the candidate signature sequence set includes M signature sequences, the first integer set includes M positive integers, the M signature sequences and the M positive integers correspond one-to-one, and the first signature sequence is used to determine the K2 from the first integer set.

As a sub-embodiment of this embodiment, a second identification is used to scramble the first signature sequence; the second identity is configured by higher layer signaling or the second identity is fixed.

As an auxiliary embodiment of the sub-embodiment, the second identifier is related to one of { S-TMSI (SAE temporal Mobile Subscriber Identity, SAE Temporary Mobile registration Identity) } and IMSI (International Mobile Subscriber Identity) } of the ue.

As an embodiment, the first information is indicated by RRC signaling.

As a sub-embodiment of this embodiment, the RRC signaling is UE-specific.

As a sub-embodiment of this embodiment, the RRC signaling is cell-specific.

As an embodiment, the first set of time domain resources belongs to a first time domain resource pool, the first time domain resource pool comprising a positive integer number of time units.

As a sub-embodiment of this embodiment, the first information indicates a time domain position of a time unit occupied by the first time domain resource pool.

As an embodiment, the first set of frequency-domain resources includes, in the frequency domain, a frequency bandwidth corresponding to a positive integer number of PRBs.

As a sub-embodiment of this embodiment, the first information indicates a frequency domain position corresponding to a PRB occupied by the first frequency domain resource set.

As an embodiment, the first feature sequence corresponds to a first identifier, and the first identifier belongs to a candidate identifier set, and the candidate identifier set includes a positive integer number of the candidate identifiers.

As a sub-embodiment of this embodiment, the first information indicates the candidate set of identities.

As an embodiment, the sender of the first information belongs to a first set of cells, the first set of cells including a positive integer number of cells; at least one of { the first time domain resource pool, the first frequency domain resource set, the candidate identity set } in the present invention is shared in the first set of cells, or at least one of { the first time domain resource pool, the first frequency domain resource set, the candidate identity set } in the present invention is the same in the first set of cells.

According to an aspect of the application, the method is characterized in that a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

As an embodiment, a synchronization reference source used by the ue to transmit the first wireless signal is a GNSS (Global Navigation Satellite System).

For one embodiment, the synchronization reference source used by the ue to transmit the first wireless signal includes one or more satellites.

As an embodiment, the synchronization reference source used by the ue to send the second signaling is a base station corresponding to a serving cell of the ue.

As an embodiment, the synchronization reference source used by the ue to send the second signaling is a serving cell of the ue.

As an embodiment, the synchronization reference source used by the ue to send the second signaling is a sender of the first signaling.

-a step c1. transmitting a second radio signal;

wherein the first signaling comprises first scheduling information comprising at least one of modulation coding state adopted, occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied frequency domain resources }; the sender of the first signaling is a first node, the recipient of the first wireless signal comprises a second node, the recipient of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first node and the second node are non-co-located.

As an embodiment, the above method is characterized in that: and the first signaling transmits the information related to the second wireless signal scheduling to the user equipment, and then the user equipment sends the information related to the second wireless signal scheduling to an opposite terminal user through a second signaling, so as to realize the control and management of the base station on the resources occupied by the D2D transmission.

As an embodiment, the Modulation Coding state is MCS (Modulation and Coding Status).

As an embodiment, the second signaling includes the modulation coding state.

As an embodiment, the first signaling further includes at least one of { NDI (New Data Indicator), RV (Redundancy Version), HARQ (Hybrid Automatic Repeat reQuest) process number } for the second wireless signal.

As one embodiment, the second signaling further includes at least one of { NDI, RV, HARQ process number } for the second wireless signal.

As an embodiment, the first scheduling information includes at least one of { frequency hopping indication, resource block allocation and hopping resource configuration, time resource pattern, initial transmission and retransmission time interval }.

As a sub-embodiment of this embodiment, the hopping indication corresponds to the Frequency hopping flag field in TS 36.212.

As a sub-embodiment of this embodiment, the Resource block allocation and hopping Resource configuration correspond to Resource block assignment and hopping Resource allocation domains in TS 36.212.

As a sub-embodiment of this embodiment, the Time resource pattern corresponds to the Time resource pattern field in TS 36.212.

As a sub-embodiment of this embodiment, the initial transmission and retransmission Time interval corresponds to the Time gap between initial transmission and retransmission fields in TS 36.212.

As a sub-embodiment of this embodiment, at least one of the { time resource pattern, initial transmission and retransmission time interval } is used to determine the time domain resources occupied by the second wireless signal.

As a sub-embodiment of this embodiment, at least one of { frequency hopping indication, resource block allocation, and hopping resource configuration } is used to determine the frequency domain resources occupied by the second wireless signal.

As one embodiment, the first node is a first base station.

As a sub-embodiment of this embodiment, the first base station includes a Serving Cell (Serving Cell) of the user equipment.

As a sub-embodiment of this embodiment, the first base station includes a TRP (Transmission Reception Point) for providing a service to the ue.

As an embodiment, the second node is a second base station.

As a sub-embodiment of this embodiment, the second base station includes a neighbor Cell (neighbor Cell) of a serving Cell of the user equipment.

As a sub-embodiment of this embodiment, the second base station includes an adjacent TRP to a TRP serving the user equipment.

As a sub-embodiment of the above two embodiments, the first node and the second node belong to the same target cell group.

As a subsidiary embodiment of this sub-embodiment, a backhaul Link (backhaul Link) exists between any two cells in the target cell group.

As an additional embodiment of this sub-embodiment, all cells in the target cell group are semi-Co-Located (QCL, Quasi Co-Located) to the user equipment.

As an example of this subsidiary embodiment, a given cell and a target cell being semi-co-located with respect to the user equipment means: the user equipment is capable of inferring large-scale (large-scale) characteristics of the channel of the radio signal transmitted at the target cell from large-scale (properties) characteristics of the channel of the radio signal at the given cell. The large scale characteristics include one or more of { Delay Spread (Delay Spread), Doppler Spread (Doppler Spread), Doppler Shift (Doppler Shift), Average Gain (Average Gain), Average Delay (Average Delay), Angle of Arrival (Angle of Arrival), Angle of Departure (Angle of Departure), spatial correlation }.

As an additional embodiment of this sub-embodiment, the ue shares the same TA (Timing Advance) with all cells in the target cell group.

As an auxiliary embodiment of the sub-embodiment, if the ue implements uplink synchronization with any cell in the target cell group, the ue considers that the ue implements uplink synchronization with all cells in the target cell group.

As an embodiment, the first terminal is an opposite terminal of the user equipment.

As an embodiment, the first terminal and the user equipment form a D2D Pair (Pair).

As an embodiment, the first terminal is a terminal used for Terrestrial Radio Access (Terrestrial Radio Access), and the user equipment is an over-the-air terminal.

As an embodiment, the ue is a terminal used for Terrestrial Radio Access (Terrestrial Radio Access), and the first terminal is an over-the-air terminal.

As an embodiment, the first terminal and the second node are non-co-located, meaning that: the first terminal and the second node are two different communication devices.

As an embodiment, the first terminal and the second node are non-co-located, meaning that: the first terminal and the second node correspond to different IDs (identifiers) respectively.

As an embodiment, the first terminal and the second node are non-co-located, meaning that: the first terminal and the second node are located at different locations.

As an embodiment, the first node and the second node are non-co-located meaning that: the first node and the second node are two different communication devices.

As an embodiment, the first node and the second node are non-co-located meaning that: the first node and the second node correspond to different IDs, respectively.

As an embodiment, the first node and the second node are non-co-located meaning that: the first node and the second node are located at different locations.

As an embodiment, the synchronization reference source used by the user equipment to transmit the first wireless signal is the second node.

As an embodiment, the synchronization reference source used by the ue to send the second signaling is the first node.

The present application discloses a method in a first base station device used for wireless communication, characterized by comprising:

-step a. sending a first signaling;

the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on the cellular link and the sidelink respectively. The sender of the first wireless signal and the sender of the second signaling are the same terminal.

According to one aspect of the application, the above method is characterized by comprising:

step A0. sending the first information;

-step b. manipulating the second information;

wherein the second information is used to determine the first information, the second information being transmitted over a backhaul link; the operation is transmitting or the operation is receiving.

As an example, the above method has the benefits of: and realizing interaction among the base stations through the second information to configure a time-frequency code resource which is not interfered by an adjacent cell and is used for transmitting the first wireless signal, thereby ensuring that the first wireless signal is correctly received.

For one embodiment, the corresponding interface of the backhaul link is one of { X2, S1 }.

According to an aspect of the present application, the above method is characterized in that the first signaling includes first scheduling information, the first scheduling information including at least one of an occupied time domain resource, an occupied frequency domain resource for a second wireless signal { an adopted modulation coding state, { an occupied frequency domain resource }; the receiver of the first wireless signal comprises a second node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first base station device and the second node are non-co-located.

The present application discloses a method in a second base station device used for wireless communication, characterized by comprising:

-a step a1. receiving a first wireless signal;

-step a2. monitoring the second signaling;

the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling by the second base station equipment, and the first signaling and the second signaling are transmitted on a cellular link and a secondary link respectively. The sender of the first signaling and the sender of the first wireless signal are different.

As an embodiment, the receiving, by the second base station, the first wireless signal refers to: the second base station apparatus detects the first wireless signal by correlation detection.

As an embodiment, the monitoring of the second signaling by the second base station is: and the second base station equipment determines the time domain resource occupied by the second signaling according to the detected first wireless signal and receives the second signaling.

-step b. executing the second information;

wherein the second information is used to determine first information, the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal; the first information is used to determine at least one of { the first set of time-domain resources, the first set of frequency-domain resources, the first signature sequence }; the performing is receiving or the performing is transmitting.

As an embodiment, the second INFORMATION belongs to LOAD INFORMATION (Message) in TS 36.423.

As an example, the second information belongs to DynamicDLTransmissionInformation information (Message) in TS 36.423.

According to an aspect of the present application, the above method is characterized in that the first signaling includes first scheduling information, the first scheduling information including at least one of an occupied time domain resource, an occupied frequency domain resource for a second wireless signal { an adopted modulation coding state, { an occupied frequency domain resource }; the sender of the first signaling is a first node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second base station device are non-co-located, and the first node and the second base station device are non-co-located.

-a step a3. scheduling a third radio signal;

wherein the resource occupied by the third wireless signal is orthogonal to the resource occupied by the second wireless signal, and the resource includes at least one of { time domain resource, frequency domain resource, code domain resource }.

As an example, the above method has the benefits of: and when the second base station equipment schedules the terminal belonging to the second base station equipment, avoiding the second base station equipment from colliding with the second wireless signal, and further avoiding the transmission of the terminal in the air of the adjacent cell from generating interference on the terminal served by the second base station equipment.

As one embodiment, the scheduling the third wireless signal includes transmitting the third signaling, and receiving the third wireless signal; the third signaling includes second scheduling information including at least one of { modulation coding state, scheduled time domain resources, scheduled frequency domain resources } for the third wireless signal.

As a sub-embodiment of this embodiment, a serving cell corresponding to a sender of the third wireless signal belongs to the second base station apparatus.

The application discloses a user equipment used for wireless communication, characterized by comprising:

-a first receiving module receiving a first signaling;

-a first transmitting module for transmitting a first wireless signal;

-a second sending module for sending a second signaling;

wherein the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a sidelink respectively.

As an embodiment, the user equipment used for wireless communication is characterized in that the first receiving module is further configured to receive first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

As an embodiment, the above user equipment for wireless communication is characterized in that the second sending module is further configured to send a second wireless signal; the first signaling comprises first scheduling information comprising at least one of modulation coding state adopted, occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied frequency domain resources }; the sender of the first signaling is a first node, the recipient of the first wireless signal comprises a second node, the recipient of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first node and the second node are non-co-located.

As an embodiment, the user equipment used for wireless communication is characterized in that a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

The present application discloses a first base station apparatus used for wireless communication, characterized by comprising:

-a third sending module for sending the first signaling;

As an embodiment, the first base station device used for wireless communication is characterized in that the third sending module is further configured to send the first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

As one embodiment, the above-described first base station apparatus used for wireless communication is characterized by comprising:

-a first processing module operating on the second information;

As an embodiment, the first base station apparatus used for wireless communication described above is characterized in that a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

As an embodiment, the first base station apparatus used for wireless communication described above is characterized in that the first signaling includes first scheduling information, the first scheduling information including at least one of occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied time domain resources, occupied frequency domain resources }; the receiver of the first wireless signal comprises a second node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first base station device and the second node are non-co-located.

The present application discloses a second base station apparatus used for wireless communication, characterized by comprising:

-a second processing module receiving the first wireless signal and monitoring for the second signaling;

As an embodiment, the second base station device used for wireless communication is characterized in that the second processing module is further configured to schedule a third wireless signal; the resources occupied by the third wireless signal are orthogonal to the resources occupied by the second wireless signal, the resources including at least one of { time domain resources, frequency domain resources, code domain resources }.

As one embodiment, the above-described second base station apparatus used for wireless communication is characterized by comprising:

-a third processing module executing the second information;

As an embodiment, the second base station device used for wireless communication described above is characterized in that a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

As an embodiment, the second base station apparatus used for wireless communication described above is characterized in that the first signaling includes first scheduling information, the first scheduling information includes at least one of { adopted modulation coding state, occupied time domain resource, occupied frequency domain resource } for the second wireless signal; the sender of the first signaling is a first node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second base station device are non-co-located, and the first node and the second base station device are non-co-located.

As an embodiment, compared with the prior art, the present application has the following technical advantages:

by designing a first radio signal, the ue notifies the neighboring cell of the serving cell of the ue of the time for receiving the second signaling through the first radio signal, and then the neighboring cell monitors the second signaling to obtain the time-frequency resource occupied by the second radio signal scheduled by the second signaling, and further avoids the time-frequency code resource occupied by the second radio signal through scheduling, so as to implement inter-cell interference coordination;

the first radio signal is a physical layer signaling and is sent dynamically, and compared with the existing X2-based inter-cell interference coordination (ICIC) method, in the method, the neighboring cell monitors the second signaling more timely, and then avoids interference through dynamic scheduling, so as to adapt to a scene where the interference change is fast due to fast movement of an air terminal;

by designing the second information, the interaction between the base stations is realized to configure the time-frequency resource for transmitting the first wireless signal without being interfered by the adjacent cell, so as to ensure that the first wireless signal is correctly received, and improve the capability of the whole system for resisting the inter-cell interference.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 shows a flow diagram of a first signaling transmission according to an embodiment of the application;

FIG. 2 shows a flow diagram of a second information transfer according to an embodiment of the present application;

FIG. 3 illustrates a timing diagram of first signaling, first wireless signals, and second signaling, according to an embodiment of the present application;

FIG. 4 illustrates a timing diagram of second signaling and second wireless signals according to one embodiment of the present application;

FIG. 5 shows a schematic diagram of a second signaling and a first wireless signal respectively corresponding to different synchronization reference sources according to an embodiment of the present application;

fig. 6 shows a schematic diagram of frequency domain resources occupied by a first wireless signal according to an embodiment of the present application;

fig. 7 shows a schematic diagram of time domain resources occupied by a first wireless signal according to an embodiment of the present application;

FIG. 8 shows a block diagram of a processing device in a UE according to an embodiment of the present application;

fig. 9 shows a block diagram of a processing means in a first base station according to an embodiment of the present application;

fig. 10 shows a block diagram of a processing device in a second base station according to an embodiment of the present application.

Detailed Description

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

Example 1

Embodiment 1 illustrates a flow chart of a first signaling transmission according to the present application, as shown in fig. 1. In fig. 1, a base station N1 is a maintaining base station of a serving cell of a UE U2, a base station N3 is a maintaining base station of a neighboring cell of a base station N1, and the UE U4 is a peer UE of the UE U2. The step identified by block F0 is optional.

For theBase station N1The first information is transmitted in step S10, and the first signaling is transmitted in step S11.

For theUE U2The first information is received in step S20, the first signaling is received in step S21, the first wireless signal is transmitted in step S22, the second signaling is transmitted in step S23, and the second wireless signal is transmitted in step S24.

For theBase station N3The first wireless signal is received in step S30, the second signaling is monitored in step S31, and the third wireless signal is scheduled in step S32.

For theUE U4The second signaling is received in step S40, and the second wireless signal is received in step S41.

In embodiment 1, the UE U2 uses the time domain resource occupied by the first signaling to determine the time domain resource occupied by the second signaling, the base station N3 uses the first wireless signal to determine the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted over a cellular link and a sidelink, respectively. The first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }. A synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling. The first signaling comprises first scheduling information, wherein the first scheduling information comprises at least one of adopted modulation coding state, occupied time domain resource and occupied frequency domain resource for the second wireless signal; the sender of the first signaling is the base station N1, the receiver of the first wireless signals includes the base station N3, the receiver of the second wireless signals includes the UE U4, the UE U4 and the base station N3 are non-co-located, and the base station N1 and the base station N3 are non-co-located. The second information is used to determine the first information, the second information being transmitted over a backhaul link. The resources occupied by the third wireless signal are orthogonal to the resources occupied by the second wireless signal, and the resources include at least one of { time domain resources, frequency domain resources, code domain resources }.

As a sub-embodiment, the time domain resource occupied by the first signaling is used to determine the time domain resource occupied by the second signaling, where: the first signaling occupies a first set of time units, the second signaling occupies a second set of time units, the first set of time units comprises M1 time units, the second set of time units comprises M2 time units, a first time unit in the first set of time units in the time domain differs from a first time unit in the time domain in the second set of time units by K1 time units, the K1 is explicitly indicated by the first signaling. The M1 and the M2 are both positive integers.

As a sub-embodiment of this sub-embodiment, said M1 is equal to 1.

As a sub-embodiment of this sub-embodiment, the M2 is equal to one of {1, 2,4 }.

As a subsidiary embodiment of this sub-embodiment, said time unit corresponds to one of { sub-frame, slot, micro-slot }.

As a sub-embodiment, the determining, by the first wireless signal, the time domain resource occupied by the second signaling refers to: the first wireless signal is used by the base station N3 to determine the time domain resources occupied by the second signaling, the first wireless signal occupies a target set of time units, the second signaling occupies a second set of time units, the target set of time units includes P time units, the second set of time units includes M2 time units, and a difference between a first time unit in the time domain in the target set of time units and a first time unit in the time domain in the second set of time units is K2 time units. Said P and said M2 are both positive integers.

As an additional embodiment of this sub-embodiment, the K2 is explicitly indicated by the first wireless signal.

As a subsidiary embodiment of the sub-embodiment, K2 is fixed, and the base station N3 determines the first time unit in the time domain in the second time unit set according to the first time unit in the time domain in the target time unit set, and starts receiving the second signaling in the first time unit in the time domain in the second time unit set.

As an additional embodiment of this sub-embodiment, said P is equal to 1.

As a sub-embodiment of this sub-embodiment, M2 is equal to one of {1, 2,4 }.

As a sub-embodiment, the Physical layer Channel corresponding to the second signaling is a PSCCH (Physical downlink Control Channel).

As an embodiment, the Physical layer Channel corresponding to the second wireless signal is one of a { psch (Physical Sidelink Shared Channel), a PSDCH (Physical Sidelink Discovery Channel), and a PSBCH (Physical Sidelink Broadcasting Channel) }.

As an embodiment, the transmission Channel corresponding to the second wireless signal is one of { SL-SCH (Sidelink Shared Channel), SL-DCH (Sidelink Discovery Channel), SL-BCH (Sidelink Broadcast Channel) }.

Example 2

Embodiment 2 illustrates a flow chart of a second information transmission according to an embodiment of the present application, as shown in fig. 2. In fig. 2, a backhaul link exists between base station N5 and base station N6.

For theBase station N5The second information is transmitted in step S50.

For theBase station N6The second information is received in step S60.

As a sub-embodiment, the backhaul link corresponds to one of the { X2, S1} interfaces.

As a sub-embodiment, the base station N5 corresponds to a maintaining base station of a serving cell of the ue in the present invention, and the base station N6 corresponds to a maintaining base station of a neighboring cell of the serving cell of the ue in the present invention.

As a sub-embodiment, the base station N6 corresponds to a maintaining base station of a serving cell of the ue in the present invention, and the base station N5 corresponds to a maintaining base station of a neighboring cell of the serving cell of the ue in the present invention.

Example 3

Embodiment 3 shows a timing diagram of the first signaling, the first wireless signal and the second signaling, as shown in fig. 3. In fig. 3, the first signaling is transmitted in a first time unit, the first wireless signal is transmitted in a target time unit, and the second signaling is transmitted in a second set of time units. The first time unit in the second set of time units in the time domain is a given time unit.

As a sub-embodiment, the target time cell corresponds to time cell # A, the given time cell corresponds to time cell # (A + K2), A is a non-negative integer, and K2 is a positive integer.

As an additional embodiment of this sub-embodiment, the K2 is fixed.

As an additional embodiment of this sub-embodiment, the K2 is configured by higher layer signaling.

As an adjunct embodiment to this sub-embodiment, the K2 is explicitly indicated by the first wireless signal in the present application.

As a sub-embodiment, the time unit corresponds to one of { subframe, slot, minislot }.

As a sub-embodiment, the target time unit belongs to a set of target time units.

As an additional embodiment of this sub-embodiment, the set of target time units is configured by higher layer signaling.

As an additional embodiment of this sub-embodiment, the set of target time units is configured by the first information in the present application.

As a subsidiary embodiment of this sub-embodiment, said target time unit is the first time unit of said set of target time units located temporally after said first time unit.

Example 4

Embodiment 4 shows a timing chart of the second signaling and the second wireless signal, as shown in fig. 4. In fig. 4, the second signaling is transmitted in a second set of time units and the second wireless signal is transmitted in a third set of time units. The first time unit of the second time unit set in the time domain is a second time unit, and the first time unit of the third time unit set in the time domain is a third time unit.

As a sub-embodiment, the second set of time units is configured by high layer signaling.

As a sub-embodiment, the third set of time units is configured by high layer signaling.

As a sub-embodiment, the second time unit corresponds to time unit # C, the second time unit corresponds to time unit # (C + Q), C is a non-negative integer, Q is a positive integer, and Q is indicated by the second signaling in this application.

Example 5

Embodiment 5 shows a schematic diagram of a synchronization reference source corresponding to each of the second signaling and the first wireless signal, as shown in fig. 5. In fig. 5, the synchronization reference source used by the UE to transmit the second signaling is a target base station, and the synchronization reference source used by the UE to transmit the first wireless signal is a GNSS.

As a sub-embodiment, the GNSS comprises one or more satellites.

As a sub-embodiment, the target base station is a base station corresponding to a serving cell of the UE.

As a sub-embodiment, the target base station is a maintaining base station of a serving cell of a target terminal, and the receiver of the second signaling includes the target terminal.

Example 6

Embodiment 6 shows a schematic diagram of frequency domain resources occupied by a first wireless signal according to an embodiment of the present application, as shown in fig. 6. In fig. 6, the first wireless signal occupies a bandwidth corresponding to N PRBs in a given bandwidth in the frequency domain, where N is a positive integer.

As a sub-embodiment, said N is 1.

As a sub-embodiment, N is greater than 1, and bandwidths corresponding to the N PRBs are continuous.

As a sub-embodiment, N is greater than 1, and bandwidths corresponding to the N PRBs are discrete.

As a sub-embodiment, the given bandwidth is a system bandwidth.

As a sub-embodiment, the frequency domain locations corresponding to the N PRBs are configured by high layer signaling.

As a sub-embodiment, the frequency domain locations corresponding to the N PRBs are configured by the first information described in this application.

Example 7

Embodiment 7 is a schematic diagram illustrating a time domain resource occupied by a first wireless signal according to an embodiment of the present application, as shown in fig. 7. In fig. 7, the first wireless signal occupies a target time unit in the time domain, the target time unit belongs to a target time unit set, and the target time unit set includes a positive integer number of time units.

As a sub-embodiment, the set of target time units is configured by higher layer signaling.

As a sub-embodiment, the time units comprised by the target set of time units are periodically distributed.

Example 8

Embodiment 8 is a block diagram illustrating a processing apparatus in a UE, as shown in fig. 8. In fig. 8, the UE processing apparatus 100 mainly includes a first receiving module 101, a first transmitting module 102 and a second transmitting module 103.

A first receiving module 101, receiving a first signaling;

a first transmitting module 102, which transmits a first wireless signal;

-a second sending module 103, sending a second signaling;

in embodiment 8, the time domain resource occupied by the first signaling is used to determine the time domain resource occupied by the second signaling, the first wireless signal is used to determine the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a sidelink, respectively.

As a sub embodiment, the first receiving module 101 is further configured to receive first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

As a sub embodiment, the second sending module 103 is further configured to send a second wireless signal; the first signaling comprises first scheduling information comprising at least one of modulation coding state adopted, occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied frequency domain resources }; the sender of the first signaling is a first node, the recipient of the first wireless signal comprises a second node, the recipient of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first node and the second node are non-co-located.

As a sub-embodiment, a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

Example 9

Embodiment 9 is a block diagram illustrating a configuration of a processing device in a first base station apparatus, as shown in fig. 9. In fig. 9, the first base station device processing apparatus 200 is mainly composed of a third sending module 201 and a first processing module 202.

-a third sending module 201, sending the first signaling;

a first processing module 202 operating on the second information;

in embodiment 9, the time domain resource occupied by the first signaling is used to determine the time domain resource occupied by the second signaling, the first wireless signal is used to determine the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on the cellular link and the sidelink, respectively. The second information is used to determine the first information, the second information being transmitted over a backhaul link; the operation is transmitting or the operation is receiving. The sender of the first wireless signal and the sender of the second signaling are the same terminal.

As a sub embodiment, the third sending module 201 is further configured to send first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

As a sub-embodiment, the first signaling comprises first scheduling information comprising at least one of adopted modulation coding state, occupied time domain resource, occupied frequency domain resource for the second wireless signal { adopted modulation coding state, occupied frequency domain resource }; the receiver of the first wireless signal comprises a second node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second node are non-co-located, and the first base station device and the second node are non-co-located.

Example 10

Embodiment 10 is a block diagram illustrating a processing apparatus in a second base station device, as shown in fig. 10. In fig. 10, the second base station device processing apparatus 300 mainly comprises a second processing module 301 and a third processing module 302.

-a second processing module 301 receiving the first wireless signal and monitoring for the second signaling;

-a third processing module 302 executing the second information;

in embodiment 10, the time domain resource occupied by the first signaling is used to determine the time domain resource occupied by the second signaling, the first wireless signal is used by the second base station device to determine the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on the cellular link and the sidelink, respectively. The second information is used to determine first information, the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal; the first information is used to determine at least one of { the first set of time-domain resources, the first set of frequency-domain resources, the first signature sequence }; the performing is receiving or the performing is transmitting. The sender of the first signaling and the sender of the first wireless signal are different.

As a sub-embodiment, the second processing module 301 is further configured to schedule a third wireless signal; the resources occupied by the third wireless signal are orthogonal to the resources occupied by the second wireless signal, and the resources include at least one of { time domain resources, frequency domain resources, code domain resources }.

As a sub-embodiment, the first signaling comprises first scheduling information comprising at least one of { employed modulation coding state, occupied time domain resources, occupied frequency domain resources } for the second wireless signal; the sender of the first signaling is a first node, the receiver of the second wireless signal comprises a first terminal, the first terminal and the second base station device are non-co-located, and the first node and the second base station device are non-co-located.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the foregoing embodiments may be implemented in the form of hardware, or may be implemented in the form of software functional modules, and the present application is not limited to any specific combination of software and hardware. UE and terminal in this application include but not limited to unmanned aerial vehicle, Communication module on the unmanned aerial vehicle, remote control plane, the aircraft, small aircraft, the cell-phone, the panel computer, the notebook, vehicle-mounted Communication equipment, wireless sensor, network card, thing networking terminal, the RFID terminal, NB-IOT terminal, MTC (Machine Type Communication ) terminal, eMTC (enhanced MTC) terminal, the data card, network card, vehicle-mounted Communication equipment, low-cost cell-phone, equipment such as low-cost panel computer. The base station in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method in a user equipment used for wireless communication, comprising:

-step a. receiving a first signaling from a first base station;

-step b. transmitting a first wireless signal;

-step c. sending a second signaling;

wherein the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a sidelink respectively; a receiver of the first wireless signal comprises a second base station apparatus adjacent to the first base station apparatus; the second signaling is a SCI.

2. The method in the user equipment according to claim 1, characterized by comprising:

receiving first information;

3. A method in a user equipment according to claim 1 or 2, wherein the synchronization reference source used for transmitting the first radio signal is different from the synchronization reference source used for transmitting the second signalling.

4. A method in a user equipment according to any of claims 1-3, characterized in that it comprises:

transmitting a second wireless signal;

wherein the first signaling comprises first scheduling information comprising at least one of modulation coding state adopted, occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied frequency domain resources }.

5. The method in a user equipment according to any of claims 1 to 4, wherein said first signaling is DCI.

6. The method in the UE of any one of claims 1 to 5, wherein the first signaling occupies a first time window in time domain, the second signaling occupies a second time window in time domain, the start time of the first time window and the start time of the second time window differ by K1 time units in time domain, and K1 is a positive integer; the first signaling is used to determine the K1.

7. The method according to any of claims 2 to 6, wherein a base station corresponding to a serving cell of the UE configures time-frequency code resources for transmitting the first radio signal for the UE, and the first information is indicated by RRC signaling.

8. The method in a user equipment according to any of claims 1-7, wherein the first base station and the second base station belong to the same target cell group, and wherein a backhaul link exists between any two cells in the target cell group.

9. The method in a user equipment according to any of claims 1-8, wherein the first radio signal is physical layer signaling and the first radio signal is sent dynamically.

10. The method in the user equipment according to any of claims 1 to 9, wherein the physical layer channel to which the second signaling corresponds is a PSCCH.

11. The method in the UE of any of claims 4 to 10, wherein the physical layer channel to which the second radio signal corresponds is PSSCH.

12. A method in a first base station device used for wireless communication, comprising:

-step a. sending a first signaling;

the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, the first signaling and the second signaling are respectively transmitted on a cellular link and a secondary link, and a sender of the first wireless signal and a sender of the second signaling are the same terminal; a receiver of the first wireless signal comprises a second base station apparatus adjacent to the first base station apparatus; the receiver of the first signaling comprises a user equipment, and the user equipment sends the second signaling; the second signaling is a SCI.

13. Method in a first base station arrangement according to claim 12, characterized in that it comprises:

sending first information;

14. The method in the first base station device according to claim 12 or 13, wherein the synchronization reference source used by the user equipment to transmit the first radio signal is different from the synchronization reference source used to transmit the second signaling.

15. The method in the first base station equipment according to any of claims 12 to 14, wherein the first signaling occupies a first time window in time domain, the second signaling occupies a second time window in time domain, a start time of the first time window and a start time of the second time window are different by K1 time units in time domain, the K1 is a positive integer; the first signaling is used to determine the K1.

16. The method according to any of claims 13 to 15, wherein the first base station configures the time-frequency code resource for transmitting the first radio signal for the ue, and the first information is indicated by RRC signaling.

17. Method in a first base station arrangement according to any of the claims 12-16, characterised in that the first base station and the second base station belong to the same target cell group, a backhaul link exists between any two cells in the target cell group.

18. Method in a first base station arrangement according to any of claims 12-17, characterised in that the first radio signal is physical layer signalling and that the first radio signal is sent dynamically.

19. The method in the first base station equipment according to any of claims 12 to 18, characterised in that the physical layer channel to which the second signalling corresponds is a PSCCH.

20. The method in the first base station arrangement according to any of claims 13 to 19, characterised in that it comprises:

operating the second information;

21. A method in a second base station device used for wireless communication, comprising:

-a step a1. receiving a first radio signal;

a sender of the second signaling receives a first signaling, and the sender of the second signaling comprises user equipment; the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, the first signaling and the second signaling are respectively transmitted on a cellular link and a secondary link, and the sender of the first signaling and the sender of the first wireless signal are different; the second signaling is a SCI.

22. The method of claim 21, wherein a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

23. Method in a second base station arrangement according to claim 21 or 22, characterised in that the first signalling is DCI.

24. The method in a second base station device according to any of claims 21 to 23, wherein said first signaling occupies a first time window in time domain, said second signaling occupies a second time window in time domain, a start time of said first time window and a start time of said second time window differ by K1 time units in time domain, said K1 is a positive integer; the first signaling is used to determine the K1.

25. Method in a second base station arrangement according to any of claims 21-24, characterised in that the first radio signal is physical layer signalling and that the first radio signal is sent dynamically.

26. A method in a second base station according to any of claims 21 to 25, characterised in that the physical layer channel to which the second signalling corresponds is a PSCCH.

27. The method in the second base station arrangement according to any of claims 21 to 26, characterised in that it comprises:

executing the second information;

28. A user device configured for wireless communication, comprising:

-a first receiving module receiving first signaling from a first base station;

-a first transmitting module for transmitting a first wireless signal;

-a second sending module for sending a second signaling;

wherein the time domain resource occupied by the first signaling is used for determining the time domain resource occupied by the second signaling, the first wireless signal is used for determining the time domain resource occupied by the second signaling, and the first signaling and the second signaling are transmitted on a cellular link and a sidelink respectively; a receiver of the first wireless signal comprises a second base station adjacent to the first base station; the second signaling is a SCI.

29. The UE of claim 28, wherein the first receiving module is further configured to receive first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

30. The UE of claim 28 or 29, wherein a synchronization reference source used for transmitting the first radio signal is different from a synchronization reference source used for transmitting the second signaling.

31. The UE of any one of claims 28 to 30, wherein the second transmitting module is further configured to transmit a second wireless signal; the first signaling comprises first scheduling information comprising at least one of modulation coding state adopted, occupied time domain resources, occupied frequency domain resources for the second wireless signal { adopted modulation coding state, occupied frequency domain resources }.

32. The user equipment according to any of claims 28-31, wherein the first signaling is DCI.

33. The user equipment according to any of claims 28-32, wherein the first signaling occupies a first time window in the time domain, the second signaling occupies a second time window in the time domain, a start time of the first time window and a start time of the second time window differ by K1 time units in the time domain, the K1 is a positive integer; the first signaling is used to determine the K1.

34. The UE of any one of claims 29 to 33, wherein a base station corresponding to a serving cell of the UE configures time-frequency code resources for the UE to transmit the first radio signal, and the first information is indicated by RRC signaling.

35. The user equipment according to any of claims 28-34, wherein the first base station and the second base station belong to the same target cell group, wherein a backhaul link exists between any two cells in the target cell group.

36. The UE of any of claims 28 to 35, wherein the first radio signal is physical layer signaling and the first radio signal is dynamically transmitted.

37. The user equipment according to any of claims 28 to 36, wherein the physical layer channel to which the second signaling corresponds is a PSCCH.

38. The UE of any of claims 31 to 37, wherein the physical layer channel to which the second radio signal corresponds is PSSCH.

39. A first base station device for wireless communication, comprising:

-a third sending module for sending the first signaling;

40. The first base station device of claim 39, wherein the third sending module sends the first information; the first wireless signal occupies a first set of time domain resources in the time domain, the first wireless signal occupies a first set of frequency domain resources in the frequency domain, a first signature sequence is used to generate the first wireless signal, and the first information is used to determine at least one of { the first set of time domain resources, the first set of frequency domain resources, the first signature sequence }.

41. The first base station apparatus of claim 39 or 40, wherein a synchronization reference source used by the UE to transmit the first wireless signal is different from a synchronization reference source used to transmit the second signaling.

42. The first base station device of any one of claims 39 to 41, wherein the first signaling occupies a first time window in the time domain, wherein the second signaling occupies a second time window in the time domain, wherein a start time of the first time window and a start time of the second time window differ by K1 time units in the time domain, and wherein K1 is a positive integer; the first signaling is used to determine the K1.

43. The first base station apparatus of any one of claims 39 to 42, wherein the first base station configures time-frequency code resources for the UE to transmit the first radio signal, and wherein the first information is indicated by RRC signaling.

44. The first base station apparatus of any of claims 39 to 43, wherein the first base station and the second base station belong to the same target cell group, and a backhaul link exists between any two cells in the target cell group.

45. The first base station apparatus according to any of claims 39 to 44, wherein the first wireless signal is physical layer signalling and the first wireless signal is dynamically transmitted.

46. The first base station apparatus of any of claims 39 to 45, wherein the physical layer channel to which the second signalling corresponds is a PSCCH.

47. The first base station arrangement according to any of claims 40 to 46, characterised by comprising:

-a first processing module operating on the second information;

48. A second base station device used for wireless communication, comprising:

-a second processing module receiving the first wireless signal;

49. The second base station apparatus of claim 48, wherein a synchronization reference source used for transmitting the first wireless signal is different from a synchronization reference source used for transmitting the second signaling.

50. The second base station apparatus of claim 48 or 49, wherein the first signaling is DCI.

51. The second base station apparatus of any of claims 48 to 50, wherein the first signaling occupies a first time window in the time domain, the second signaling occupies a second time window in the time domain, a start time of the first time window and a start time of the second time window are separated by K1 time units in the time domain, K1 is a positive integer; the first signaling is used to determine the K1.

52. The second base station apparatus of any of claims 48 to 51, wherein the first wireless signal is physical layer signalling and the first wireless signal is dynamically transmitted.

53. The second base station apparatus of any of claims 48 to 52, wherein the physical layer channel to which the second signalling corresponds is a PSCCH.

54. The second base station arrangement according to any of claims 48 to 53, characterised by comprising:

-a third processing module executing the second information;