CN115413010A

CN115413010A - Transmission method, device, equipment and readable storage medium

Info

Publication number: CN115413010A
Application number: CN202110592075.3A
Authority: CN
Inventors: 王欢; 刘进华; 彭淑燕
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-11-29
Also published as: WO2022247779A1

Abstract

The application discloses a transmission method, a device, equipment and a readable storage medium, wherein the method comprises the following steps: the terminal sends a plurality of first transmission signals to the control node through different first sending timings; alternatively, the terminal receives a plurality of second transmission signals from the control node through different reception timings.

Description

Transmission method, device, equipment and readable storage medium

Technical Field

The present application belongs to the field of communication technologies, and in particular, to a transmission method, apparatus, device, and readable storage medium.

Background

After a signal amplifier is deployed in a network (or after a plurality of distributed receiving antennas are configured in the network), there are more paths from a terminal (such as User Equipment (UE)) to a base station, and a large difference may occur in time delay of signal transmission from different paths (for example, if a signal passes through a signal amplifier, the signal time delay may be greatly increased), and this effect may cause inter-symbol interference.

Disclosure of Invention

Embodiments of the present application provide a transmission method, an apparatus, a device, and a readable storage medium, which can solve the problem of inter-symbol interference caused by multipath effect.

In a first aspect, a transmission method is provided, including:

the terminal sends a plurality of first transmission signals to the control node through different first sending timings; alternatively, the terminal receives a plurality of second transmission signals from the control node through different reception timings.

In a second aspect, a transmission method is provided, including: a control node receives a plurality of first transmission signals transmitted by a terminal through different first transmission timings; alternatively, the control node transmits the second transmission signal to the terminal through a different reception timing.

In a third aspect, a transmission apparatus is provided, which is applied to a terminal, and includes:

a transmission module for transmitting a plurality of first transmission signals to the control node at different first transmission timings; alternatively, a plurality of second transmission signals are received from the control node with different reception timings.

In a fourth aspect, a transmission apparatus is provided, which is applied to a control node, and includes:

a transmission module for receiving a plurality of first transmission signals transmitted by a terminal through different first transmission timings; alternatively, the second transmission signal is transmitted to the terminal with different reception timings.

In a fifth aspect, a communication device is provided, comprising: a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method according to the first or second aspect.

A sixth aspect provides a communication device comprising a processor and a communication interface, wherein the processor is configured to implement the steps of the method according to the first or second aspect when executed.

In a seventh aspect, there is provided a readable storage medium on which a program or instructions are stored, which program or instructions, when executed by a processor, implement the steps of the method according to the first or second aspect.

In an eighth aspect, there is provided a computer program/program product stored on a non-volatile storage medium for execution by at least one processor to implement the steps of the method of processing as described in the first or second aspect.

In a ninth aspect, there is provided a chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method of processing according to the first or second aspect.

In the embodiment of the present application, different transmission timings or reception timings may be adopted for transmissions on different transmission paths, so as to overcome a situation that multipath delay cannot be cancelled by a cyclic prefix, so that multiple transmission paths may be simultaneously maintained between a control node and a terminal, so as to improve robustness of transmission.

Drawings

FIG. 1 is a block diagram of a network including a signal amplifier;

FIG. 2 is a schematic illustration of timing advance;

FIG. 3 is a schematic diagram of the impulse response delay of a UE;

FIG. 4 is a schematic diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 5 is a flowchart of a transmission method provided in an embodiment of the present application;

fig. 6 is a second flowchart of a transmission method according to an embodiment of the present application;

fig. 7 is a schematic diagram of downlink transmission provided in an embodiment of the present application;

fig. 8 is a second schematic diagram of downlink transmission provided in the present embodiment;

FIG. 9 is a diagram of a receive collision provided by an embodiment of the present application;

fig. 10 is a schematic diagram illustrating a UE transmitting an SRS over different sets of SRS resources by using different TAs according to an embodiment of the present application;

fig. 11 is a schematic diagram illustrating that each TA independently sets a Timer and a third Timer expires after counting down according to the embodiment of the present application;

fig. 12 is a schematic diagram illustrating that all TAs share one Timer and the third Timer expires after counting down according to the embodiment of the present application;

fig. 13a and 13b are schematic diagrams of TA determination provided by an embodiment of the present application;

fig. 14 is a schematic diagram of a transmission device provided in an embodiment of the present application;

fig. 15 is a second schematic diagram of a transmission device according to an embodiment of the present application;

fig. 16 is a schematic diagram of a terminal in an embodiment of the present application;

fig. 17 is a schematic diagram of a control node in the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" used herein generally refer to a class and do not limit the number of objects, for example, a first object can be one or more. In the specification and claims, "and" represents at least one of connected objects, and a character "/" generally indicates that a preceding and succeeding related object is in an "or" relationship.

It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), and Time Division Multiple Access (TDMA),Frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, but the techniques may also be applied to applications other than NR system applications, such as generation 6 (6) ^th Generation, 6G) communication system.

In order to facilitate understanding of the embodiments of the present application, the following technical points are introduced below:

1. signal amplifier

The signal amplifier (or called intelligent signal amplifier) is used to extend the coverage area of a cell, including receiving and amplifying a downlink signal from an upstream base station, so that the signal strength reaching a terminal (such as a User Equipment (UE)) is increased; the uplink signal from the UE is amplified to increase the strength of the uplink signal from the UE to the upstream base station.

The signal amplifier may receive control from an upstream base station, i.e., the base station may control the transmission parameters of the signal amplifier, such as the switching and transmission beams of the signal amplifier, to improve the operating efficiency of the signal amplifier and reduce interference. As shown in fig. 1, the network structure includes 3 network nodes, and the intermediate network node is a signal amplifier that includes a terminal module (or called Mobile Termination (MT)) and a Relay Unit (RU), and the signal amplifier does not include only one of the MT and the RU. Wherein the MT can establish connection with an upstream base station, and the base station can indicate the sending/receiving related parameters of the MT/RU of the signal amplifier through the interaction of the MT and the signal amplifier by the MT.

2. Timing Advance (Timing Advance, TA)

Referring to fig. 2, when the ue sends a signal to the base station, the sending timing of the signal needs to be advanced by a period of time (TA time) relative to the receiving timing thereof, so that the sending signal is aligned with the uplink and downlink timing of the base station after reaching the base station side through an air interface delay.

The UE timing advance is obtained by the steps specified by the protocol. After the UE performs downlink synchronization, a Physical Random Access Channel (PRACH) is sent according to downlink timing, and the base station preliminarily determines a timing advance of the UE according to reception/measurement of the PRACH and notifies the timing advance to the UE through a TA domain in a Random Access Response (RAR). In addition, the base station may also adjust the TA value through a Media Access Control (MAC) Control unit (Control Element, CE).

In addition, the UE may be configured with a plurality of TA groups (TAGs), and one or more Carrier elements (Component carriers, CCs) may belong to one TAG, each of which includes a TA value. For a UE configured with multiple CCs, multiple TA values may be supported, which belong to different CCs, and transmission from the UE to base station receiving antennas in different locations may be achieved.

In addition, the TA of the UE may be out of synchronization, the base station configures an out-of-synchronization timer (timer) for the UE, and after the timer counts down, the UE determines that the UE is out of synchronization uplink. After uplink is out of synchronization, the UE may send PRACH to perform resynchronization.

3. Cyclic prefix (Cyclic prefix, CP)

Due to multipath effects, the time delay for the signal transmission to reach the receiving end is different, which causes intersymbol interference. The CP technique adds CP extension to a useful OFDM symbol by the characteristic of Orthogonal Frequency Division Multiplexing (OFDM) symbols, so that intersymbol interference can be eliminated when the difference between multipath delays is smaller than the CP length.

After a signal amplifier is deployed in a network (or after a plurality of distributed receiving antennas are configured in the network), the time delay difference among multiple paths is large, and the CP length cannot offset the multi-path time delay effect. Fig. 3 shows an impulse response delay diagram of the UE, where a signal amplifier path (shown as a repeater path) is a path after a signal passes through the signal amplifier, and other paths are paths not passing through the signal amplifier. The Repeater path cannot be covered by the CP length, so that intersymbol interference may be caused between the Repeater path and other paths.

Referring to fig. 4, a schematic diagram of a wireless communication system to which embodiments of the present application are applicable is shown. The wireless communication system includes a terminal 41, a signal amplifier 42, and a network-side device 43. Wherein, the terminal 41 may also be called as a terminal Device or a User Equipment (UE), the terminal 41 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that the specific type of the terminal 41 is not limited in the embodiments of the present application.

The network-side device 43 may be a Base station or a core network, wherein the Base station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base station, a radio transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (gNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receive Point (TRP), a radio access network node, or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base station in the NR system is taken as an example, but the specific type of the Base station is not limited.

Referring to fig. 5, an embodiment of the present application provides a transmission method, which includes: step 501.

Step 501: the terminal sends a plurality of first transmission signals to the control node through different first sending timings; alternatively, the terminal receives a plurality of second transmission signals from the control node through different reception timings.

For example, the uplink transmission path between the terminal and the control node includes: the terminal sends a first transmission signal to the control node through the sending timing #1 and the sending timing #2 respectively, and because the transmissions of the path 1 and the path 2 adopt different sending timings, the situation that multipath delay cannot be offset by cyclic prefix can be overcome, so that a plurality of transmission paths can be simultaneously maintained between the control node and the terminal, and the robustness of the transmission is improved.

Optionally, the different first transmission timings correspond to transmissions on different paths between the terminal and the control node. For example, the path of the uplink transmission between the terminal and the control node includes a first path and a second path, and the different first transmission timings respectively correspond to transmissions on the first path and the second path.

For another example, the path of downlink transmission between the terminal and the control node includes: the terminal receives a second transmission signal from the control node through the receiving timing #3 and the receiving timing #4 respectively, and because the transmissions of the path 3 and the path 4 adopt different receiving timings, the situation that multipath delay cannot be offset by cyclic prefix can be overcome, so that a plurality of transmission paths can be simultaneously maintained between the control node and the terminal, and the robustness of transmission is improved.

Optionally, the different receiving timings correspond to transmissions on different paths between the terminal and the control node, for example, a path of downlink transmission between the terminal and the control node includes a third path and a fourth path, and the different receiving timings correspond to transmissions on the third path and the fourth path, respectively.

In one embodiment of the present application, the method further comprises: the terminal acquires a plurality of reception timings or a plurality of transmission timings.

In one embodiment of the present application, the step of the terminal acquiring a plurality of receiving timings includes:

the terminal acquires a plurality of receiving timings according to the downlink reference signal.

In one embodiment of the present application, the method further comprises: and the terminal sends the relevant information of the receiving timing to the control node.

In one embodiment of the present application, the information on the reception timing is associated with a downlink beam.

In one embodiment of the present application, the information related to the reception timing includes: timing differences of different reception timings.

In one embodiment of the present application, the method further comprises:

the terminal determines the receiving timing corresponding to the specific downlink transmission in a mode of blindly detecting a plurality of receiving timings; or, the terminal receives a first signaling; and the terminal determines the receiving timing corresponding to the specific downlink transmission according to the first signaling, the first signaling indicates a downlink wave beam, and the receiving timing and the downlink wave beam have a preset corresponding relation.

In one embodiment of the present application, the method further comprises:

the terminal determines a Reference timing;

the terminal receives a second signaling, wherein the second signaling carries a plurality of sending timings;

the terminal selecting a second transmission timing from the plurality of transmission timings;

and the terminal performs initial uplink transmission according to the second sending timing and/or the reference timing.

In one embodiment of the present application, the reference timing is kept constant for a set period of time.

In one embodiment of the present application, the second transmission timing is any one of a plurality of transmission timings carried in the second signaling, or is a specific one of the plurality of transmission timings carried in the second signaling, or is a first one of the plurality of transmission timings carried in the second signaling.

In one embodiment of the present application, the method further comprises:

the terminal receives a third signaling;

and the terminal adjusts one or more first sending timings according to the third signaling.

In an embodiment of the present application, the third signaling is used to adjust all the first transmission timings in a unified manner, or the third signaling is used to adjust the corresponding first transmission timings respectively.

In one embodiment of the present application, the method further comprises:

the terminal sends a channel Sounding Reference Signal (SRS) according to a preset sending timing, and the control node blindly detects the SRS in a specific uplink beam direction by adopting different receiving timings so as to determine the sending timing associated with the specific uplink beam.

In an embodiment of the present application, the preset transmission timing is configured by the control node.

In one embodiment of the present application, the method further comprises:

and the terminal transmits the SRS on an uplink wave beam according to different preset transmission timings, and the control node detects the channel sounding reference signal by adopting a specific receiving timing so as to determine the uplink wave beam associated with the specific transmission timing.

In an embodiment of the present application, the method for transmitting, by the terminal, an SRS on one uplink beam according to different preset transmission timings includes:

and the terminal adopts different preset sending timings to send the SRS on the SRS resource with the same number in different SRS resource sets.

In an embodiment of the present application, the preset transmission timing for the terminal to transmit SRS on each SRS resource set is configured by the control node. In one embodiment of the present application, the method further comprises:

the terminal receives a fourth signaling;

the terminal determines a first sending timing corresponding to a specific uplink transmission according to the fourth signaling, the fourth signaling indicates the first sending timing corresponding to the specific uplink transmission, or the fourth signaling indicates an uplink beam, and the first sending timing and the uplink beam have a preset corresponding relationship;

or,

and the terminal determines first sending timing corresponding to the SRS according to the fourth signaling, the fourth signaling indicates the first sending timing corresponding to the SRS, or the fourth signaling indicates an uplink wave beam of the SRS, and the first sending timing and the uplink wave beam have a preset corresponding relation.

In one embodiment of the present application, each of the first transmission timings independently sets a timer for determining an uplink out-of-synchronization.

In one embodiment of the present application, the method further comprises:

under the condition that all timers corresponding to the first sending timing count down, the terminal judges that the uplink is out of synchronization; or, the terminal determines that the uplink is out of synchronization when a timer corresponding to any of the first transmission timings counts down; or, the terminal determines that the uplink is out of synchronization when the number of the first transmission timings counted down by the timer reaches a preset number.

In one embodiment of the present application, the first transmission timing counted down by the timer is invalid.

In one embodiment of the present application, all the first transmission timings share one timer, and the timer is used for determining uplink out-of-synchronization.

In one embodiment of the present application, the method further comprises:

before the timer counts down, if the terminal does not receive a fifth signaling, the terminal judges that the uplink is out of step, and the fifth signaling is used for indicating all first sending timings;

or,

before the timer counts down, if the terminal does not receive a sixth signaling, the terminal judges that the uplink is out of step, wherein the sixth signaling is used for indicating part of the first sending timing;

or,

before the timer counts down, if the terminal does not receive a seventh signaling indicating a third sending timing and the number of the third sending timing reaches a preset number, the terminal judges that the uplink is out of step.

In one embodiment of the present application, the method further comprises:

the terminal receiving an eighth signaling from the control node, the eighth signaling indicating a fourth transmission timing;

and the terminal determines the first sending timing of the plurality of uplink transmissions according to the timing difference between the fourth sending timing and the different receiving timings.

In one embodiment of the present application, the method further comprises:

and the terminal takes the specific receiving timing as reference timing and determines the timing difference between other downlink receiving timing and the reference timing.

In one embodiment of the present application, the transmission timings of the plurality of uplink transmissions include one or more of:

a fourth transmission timing indicated by the control node;

a fourth transmit timing indicated by the control node and a sum of the timing difference values.

In one embodiment of the present application, the method further comprises:

when the terminal determines the sending timing of a second uplink path according to the receiving timing of the first downlink path, the sending timing of the second uplink path is the average value of the fifth sending timing and the sixth sending timing;

or,

when the terminal determines the sending timing of a first uplink path according to the receiving timing of a second downlink path, the sending timing of the first uplink path is the average value of the fifth sending timing and the sixth sending timing;

the fifth transmission timing is a transmission timing of the first uplink path determined using the reception timing of the first downlink path as a reference timing, and the sixth transmission timing is a transmission timing of the second uplink path determined using the reception timing of the second downlink path as a reference timing.

In one embodiment of the present application, the method further comprises:

the terminal sends the capability information of the terminal to the control node;

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal can maintain a plurality of reception timings;

whether the terminal can simultaneously transmit using a plurality of transmission timings;

whether the terminal can simultaneously use a plurality of reception timings for reception;

whether the terminal can transmit by time-sharing using a plurality of transmission timings;

whether the terminal can receive using a plurality of reception timings in a time-sharing manner.

In one embodiment of the present application, the terminal transmits a plurality of first transmission signals to a control node through a signal amplifier with different first transmission timings;

or,

the terminal receives a plurality of second transmission signals from the control node through the signal amplifier with different reception timings.

Referring to fig. 6, an embodiment of the present application provides a transmission method, which includes: step 601.

Step 601: a control node receives a plurality of first transmission signals transmitted by a terminal through different first transmission timings; alternatively, the control node transmits the second transmission signal to the terminal at a different reception timing.

For example, the uplink transmission path between the terminal and the control node includes: the method comprises a path 1 and a path 2, wherein transmission on the path 1 corresponds to a sending timing #1, transmission on the path 2 corresponds to a sending timing #2, a control node receives a first transmission signal sent by a terminal through the sending timing #1 and the sending timing #2 respectively, and because the transmission of the path 1 and the transmission of the path 2 adopt different sending timings, the situation that multipath delay cannot be offset by a cyclic prefix can be overcome, so that a plurality of transmission paths can be maintained between the control node and the terminal at the same time, and the robustness of transmission is improved.

For another example, the path of downlink transmission between the terminal and the control node includes: the control node transmits a second transmission signal to the terminal through the receiving timing #3 and the receiving timing #4 respectively, and because the transmissions of the path 3 and the path 4 adopt different receiving timings, the situation that multipath delay cannot be offset by cyclic prefix can be overcome, so that a plurality of transmission paths can be simultaneously maintained between the control node and the terminal, and the transmission robustness is improved.

In one embodiment of the present application, the method further comprises: the control node receives information related to the reception timing.

In one embodiment of the present application, the method further comprises:

the control node sends a first signaling, the first signaling indicates a downlink beam, and the receiving timing and the downlink beam have a preset corresponding relationship.

In one embodiment of the present application, the method further comprises:

and the control node sends a third signaling, wherein the third signaling is used for uniformly adjusting all the first sending timings, or the third signaling is used for respectively adjusting the first sending timings.

In one embodiment of the present application, the method further comprises:

the control node sends a fourth signaling;

the fourth signaling indicates a first sending timing corresponding to a specific uplink transmission, or the fourth signaling indicates an uplink beam, and the first sending timing and the uplink beam have a preset corresponding relationship;

or the fourth signaling indicates a first transmission timing corresponding to the SRS, or the fourth signaling indicates an uplink beam of the SRS, and the first transmission timing and the uplink beam have a preset corresponding relationship.

In one embodiment of the present application, the method further comprises:

the control node receiving capability information from the terminal;

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal can maintain a plurality of reception timings;

whether the terminal can transmit by using a plurality of transmission timings in a time-sharing manner;

In one embodiment of the present application, the method further comprises:

the control node determines a first transmit timing associated with an uplink beam.

In an embodiment of the present application, the step of determining, by the control node, a first transmission timing associated with an uplink beam includes:

the control node blindly detects a specific channel detection reference signal in the uplink wave beam direction through different receiving timings;

the control node determines a first sending timing associated with the specific uplink wave beam according to a blind detection result;

or,

the control node detects a channel sounding reference signal according to a specific receiving timing, wherein the channel sounding reference signal is transmitted on a first uplink beam by the terminal through a specific first transmitting timing;

and the control node determines the first sending timing associated with the first uplink wave beam according to the detection result.

The following describes embodiments of the present application with reference to example one, example two, and example three.

The first embodiment is as follows: downlink synchronization

In the embodiment of the present application, multiple sets of timings may be set, and different timings are used for transmission of different paths, so as to overcome the situation that the multipath delay cannot be cancelled by the CP. Especially for signal transmission on the FR2 frequency, transmission of different paths corresponds to transmission in different beam (beam) directions, and multiple transmission paths can be maintained between the base station and the terminal at the same time, so as to improve the robustness of transmission.

Referring to fig. 7 and 8, 2 transmission paths can be simultaneously maintained between the control node and the terminal, the transmission path 1 is a control node-signal amplifier-terminal, and the terminal receives a signal on the transmission path 1 through a reception timing # 1; the transmission path 2 is a control node-reflecting surface-terminal, and the terminal receives a signal on the transmission path 2 through a reception timing # 2.

(1) Downlink reception timing acquisition

The UE determines downlink reception timing using a conventional (legacy) synchronization procedure, but the UE may maintain/use multiple downlink reception timings (e.g., each CC/each TAG includes multiple TAs) according to the strength of the downlink reference signal. For example, the time or times at which the downlink Secondary Synchronization Signal (SSS)/Primary Synchronization Signal (PSS) demodulation correlation peak is high are used as reference time of downlink reception timing.

(2) Downlink reception timing reporting

In the embodiment of the present application, the UE may maintain/use a plurality of downlink receiving timings, and report the related information of the plurality of downlink receiving timings.

Optionally, the information about the multiple downlink receiving timings reported by the UE may reflect a timing difference between the multiple downlink receiving timings, so as to assist the control node in scheduling. That is, the control node avoids resource collision due to different downlink reception timings when the UE receives different transmissions.

Referring to fig. 9, when a terminal receives slot1 (slot 1) and slot2 (slot 2), the offset of the downlink receiving timing relative to the downlink transmitting timing of the control node is different, which causes a receiving collision between slot1 and slot 2.

Optionally, when the UE reports the downlink beam of the control node, the UE simultaneously carries information related to a plurality of downlink receiving timings in the downlink beam direction.

(3) Downlink transmission

When the UE simultaneously maintains a plurality of Downlink reception timings, a Downlink reception timing determination method corresponding to a certain Downlink transmission (for example, a Physical Downlink Shared Channel (PDSCH)/Physical Downlink Control Channel (PDCCH)) includes one of the following:

a. the UE blindly detects a plurality of downlink receiving timings;

b. the related information of the downlink receiving timing has a corresponding relation with the downlink beam, and the indication of the downlink beam by the configuration/scheduling/activation signaling also means the indication of the timing corresponding to the downlink receiving.

The second embodiment: uplink synchronization

In the embodiment of the present application, the multipath problem is solved by setting multiple sets of transmission timings (alternatively referred to as Timing Advance (TA)), and different TAs are used for transmission of different paths, so as to overcome a situation that multipath delay cannot be cancelled by a CP.

(1) Initial TA

Step 1: and the UE determines reference timing according to the downlink synchronization and sends the PRACH according to the reference timing.

Optionally, the reference timing is one of UE downlink reception timings.

Alternatively, the reference timing cannot be changed within a set period of time. For example, the reference timing cannot be changed before it is determined that the uplink is out of synchronization.

And 2, step: the controlling node detects the PRACH, determines a TA value (the TA value may be multiple values, including multiple TAs per CC/TAG), and informs the UE of the TA value.

Optionally, multiple TA values may be carried in the RAR (i.e., enhanced RAR).

Optionally, a signaling other than the RAR (e.g., a Control Element (CE)/Radio Resource Control (RRC)) notifies a plurality of TA values (the conventional RAR only carries one TA value) through a Downlink Control Information (DCI)/Medium Access Control (MAC) Control unit (CE)/MAC Control layer (RRC).

And step 3: when the UE initially transmits uplink (e.g. message 3 (MSG 3) or message B (MSGB)), the transmission is performed according to the reference timing and/or TA notified by the RAR.

Optionally, if the RAR notifies multiple TAs, the UE selects one TA for initial uplink transmission

(a) Optionally one TA;

(b) A specific TA, such as a minimum TA/maximum TA;

(c) The first TA in RAR signaling, etc.

(2) And (5) adjusting TA.

The closed loop adjusts one or more of the above TAs. For example, the adjustment value of the TA is indicated by the MAC CE, and the manner of adjusting the TA by the adjustment value includes one of the following:

(a) Unified tuning of all TA (Mobile repeater) s

(b) The TA is adjusted separately. For example, an adjustment value may correspond to one or more TA values

Optionally, there is an association relationship between the adjustment value and the TA, and the adjustment value and the corresponding TA are associated in a display/implicit manner. For example, an index (index) is set for the TA, and the index of the TA corresponding to the adjustment value is indicated in the adjustment signaling

(3) Transmit beam training

Transmit beam training determines the transmit beam and its associated transmit Timing (TA).

Alternative mode 1: UE sends SRS according to preset TA, and a control node blindly detects SRS in a certain sending beam direction by adopting different receiving timing so as to determine TA value associated with the uplink beam

For example, 1) the control node configures a set of SRS resources; 2) The UE is assumed to adopt different transmission beams to perform SRS transmission on different SRS resources; 3) And the UE is regulated to adopt the same preset TA to transmit the SRS on the SRS resource set.

Optionally, the preset TA is controlled by the control node (e.g., a preset TA indicated when the SRS resource set is configured, etc.).

Alternative 2: the UE adopts different preset TAs to realize the sending of the SRS in a certain sending beam direction, and the control node detects the SRS according to one receiving timing so as to determine the TA associated with the sending beam

See, e.g., diagram 10,1) the control node configures multiple sets of SRS resources; 2) The UE is assumed to adopt different sending beams to send the SRS on different SRS resources in one SRS resource set, and the SRS beam directions sent on the resources with the same SRS resource number are repeated on the different SRS resource sets; 3) And the UE adopts different preset TAs to transmit the SRS on different SRS resource sets.

Optionally, the control node demodulates multiple SRS resource sets, and determines a TA corresponding to each SRS transmission resource (or beam direction), respectively.

Optionally, the TA transmitted by the UE on each set of SRS resources is controlled by the control node.

For example, the TA indicated when configuring a set of SRS resources; and setting indexes for a plurality of TAs, wherein the indexes of the TAs have a mapping relation with the indexes of the SRS resource set.

Optionally, after determining the transmission beam and its associated transmission Timing (TA), the control node notifies the association relationship to the UE.

(4) Uplink transmission

When the UE simultaneously maintains a plurality of TAs, a method of determining a TA corresponding to a certain Uplink transmission (e.g., physical Uplink Shared Channel (PUSCH)/Physical Uplink Control Channel (PUCCH)) includes one of the following:

a. configuration signaling (e.g., configuration signaling of a Configuration Grant (CG) type (type) 1/2, etc.)/scheduling signaling (e.g., scheduling signaling of a Dynamic Grant (DG))/activation signaling (e.g., activation signaling of CG type 2) directly indicates transmission of a corresponding TA;

b. the TA corresponds to the uplink beam, and the configuration/scheduling/activation signaling indicates the uplink beam also means indicating the transmission timing corresponding to the uplink transmission.

Optionally, the method is applied to uplink receive beam training. That is, SRS transmission on the set of SRS resources trained for uplink receive beams.

(5) Receive beam training (training mode can refer to transmit beam training)

When the UE maintains multiple TAs simultaneously, for receive beam training, the determination method of the TAs for SRS transmission includes one of the following:

a. configuring/scheduling/activating a TA directly indicating the SRS transmission correspondence

b. The TA corresponds to a reception beam, and the configuration/scheduling/activation signaling indicates the reception beam also means that the SRS transmission timing is indicated.

(6) Uplink out-of-step determination

Alternative mode 1: each TA independently sets a judgment Timer, and after the TA is updated, the corresponding Timer is reset.

Alternative 1-1: and counting down the timers corresponding to all the TAs, and triggering the PRACH to send if the uplink is out of step.

Alternative modes 1 to 2: timer corresponding to any TA counts down, uplink is out of step, and PRACH transmission can be triggered.

Alternative modes 1 to 3: and after the TA value counted down by the Timer reaches the preset number, the PRACH can be triggered to transmit if the uplink is out of step.

Optionally, the TA value counted down by the Timer is an invalid TA.

As shown in fig. 11, if the TA is not updated after the third Timer expires, the TA is invalid after the third Timer expires.

Alternative 2: all TA values share a decision Timer, which is reset after timing.

Alternative 2-1: before Timer countdown, for all TA, UE has no corresponding Timing indication signaling, uplink is out of step, and PRACH transmission can be triggered.

Alternative 2-2: before the Timer counts down, some or some TA exists, the UE does not have corresponding Timing indication signaling, the uplink is out of step, and the PRACH can be triggered to send.

Alternative modes 2 to 3: before the Timer counts down, some or some TA exists, the UE does not have corresponding Timing indication signaling, and after the some or some TA reaches the preset number, the uplink is out of step and the PRACH can be triggered to send.

Optionally, after the Timer counts down, the TA that is not updated is an invalid TA. As shown in fig. 12, if TA is not updated before the third Timer countdown period, the TA is invalid after the third Timer countdown period.

Example three: uplink synchronization

And the UE determines a plurality of uplink transmission TA values according to the timing difference between the TA indicated by the control node and the plurality of DL receiving timings.

Alternatively, the UE calculates a timing difference between the other reception timings and the reference timing with reference to a certain DL reception timing, and the number of the timing differences depends on the number of the other reception timings.

Optionally, the final determination of the UE includes determining a plurality of TAs, including one or more of:

(a) TA1: TA indicated by the control node;

(b) TA2 is the sum of TA indicated by the control node and one of the timing difference values;

(c) TA3, the sum of TA indicated by the control node and another difference value of the TA and the other difference value;

(d) By analogy, all TA values, i.e. TA4, …, TAn.

Optionally, the UE performs TA (e.g., reference timing) according to one of the receiving timings.

Example four: uplink synchronization

Referring to fig. 13a and fig. 13b, the ue determines TA of UL path # a as TA _ m-a using DL reception timing of DL path # m as reference timing; the UE determines TA of the UL path # b to be TA _ n-b using the DL reception timing of the DL path # n as a reference timing.

When the UE determines the TA of the UL path # b according to the DL reception timing of the DL path # m, TA _ m-b = (TA _ m-a + TA _ n-b)/2.

In the same way, TA _ n-a = (TA _ m-a + TA _ n-b)/2.

In the above embodiment, whether the UE can simultaneously maintain multiple transmission/reception timings (timing) may be reported to the control node as the capability of the UE.

In the above embodiments, whether the UE can simultaneously use multiple timings for reception/transmission or whether the UE uses multiple timings for reception/transmission in a time-sharing manner (uses one timing at the same time) may be reported to the control node as the capability of the UE.

The control node uses paths (or beams) corresponding to different timings to perform space division multiplexing scheduling, or performs path (or beam) switching when paths (or beams) corresponding to certain timings are blocked.

Referring to fig. 14, an embodiment of the present application provides a transmission apparatus, which is applied to a terminal, where the apparatus 1400 includes:

a transmission module 1401 for transmitting a plurality of first transmission signals to the control node by different first transmission timings; alternatively, a plurality of second transmission signals are received from the control node with different reception timings.

In one embodiment of the present application, the transmission module 1401 is further configured to: a plurality of reception timings or a plurality of transmission timings are acquired.

In one embodiment of the present application, the transmission module 1401 is further configured to: the terminal acquires a plurality of receiving timings according to the downlink reference signal.

In one embodiment of the present application, the transmission module 1401 is further configured to: and sending the information related to the receiving timing to the control node.

In one embodiment of the present application, the apparatus 1400 further comprises:

a first determining module, configured to determine a receiving timing corresponding to a specific downlink transmission in a manner of blindly detecting multiple receiving timings; or, the terminal receives a first signaling; and the terminal determines the receiving timing corresponding to the specific downlink transmission according to the first signaling, the first signaling indicates a downlink wave beam, and the receiving timing and the downlink wave beam have a preset corresponding relation.

a second determining module for determining a reference timing;

a receiving module, configured to receive a second signaling, where the second signaling carries multiple sending timings;

a selection module configured to select a second transmission timing from the plurality of transmission timings;

and the processing module is used for carrying out initial uplink transmission according to the second sending timing and/or the reference timing.

a receiving module, configured to receive a third signaling;

and an adjusting module, configured to adjust one or more of the first sending timings according to the third signaling.

and the control node blind-detects the SRS in the specific uplink beam direction by adopting different receiving timings so as to determine the transmission timing associated with the specific uplink beam.

and the control node detects the channel sounding reference signal by adopting a specific receiving timing so as to determine the uplink beam associated with the specific sending timing.

In an embodiment of the present application, the sending module is further configured to: and sending the SRS on the SRS resource with the same number in different SRS resource sets by adopting different preset sending timings.

In an embodiment of the present application, the preset transmission timing for the terminal to transmit SRS on each SRS resource set is configured by the control node. In one embodiment of the present application, the apparatus 1400 further comprises:

a receiving module, configured to receive a fourth signaling;

a determining module, configured to determine, according to the fourth signaling, a first sending timing corresponding to a specific uplink transmission, where the fourth signaling indicates the first sending timing corresponding to the specific uplink transmission, or the fourth signaling indicates an uplink beam, and the first sending timing and the uplink beam have a preset corresponding relationship; or determining first transmission timing corresponding to an SRS according to the fourth signaling, where the fourth signaling indicates the first transmission timing corresponding to the SRS, or the fourth signaling indicates an uplink beam of the SRS, where the first transmission timing and the uplink beam have a preset correspondence.

the judging module is used for judging uplink desynchronizing under the condition that all timers corresponding to the first sending timing count down; or, when a timer corresponding to any of the first transmission timings counts down, determining that the uplink is out of synchronization; or, when the number of the first transmission timings counted down by the timer reaches a preset number, determining that the uplink is out of synchronization.

a judging module, configured to, before the timer counts down, judge that the uplink is out of synchronization if the terminal does not receive a fifth signaling, where the fifth signaling is used to indicate all first sending timings; or before the timer counts down, if the terminal does not receive a sixth signaling, determining that the uplink is out of synchronization, where the sixth signaling is used to indicate part of the first sending timing; or before the timer counts down, if the terminal does not receive a seventh signaling indicating a third sending timing and the number of the third sending timing reaches a preset number, determining that the uplink is out of synchronization.

a receiving module, configured to receive an eighth signaling from the control node, where the eighth signaling indicates a fourth sending timing;

and the determining module is used for determining the timing difference between other downlink receiving timings and the reference timing by taking the specific receiving timing as the reference timing.

a fourth transmission timing indicated by the control node;

the determining module is used for determining the sending timing of the second uplink path as the average value of the fifth sending timing and the sixth sending timing when the terminal determines the sending timing of the second uplink path according to the receiving timing of the first downlink path;

or,

when the terminal determines the sending timing of the first uplink path according to the receiving timing of the second downlink path, determining the sending timing of the first uplink path as an average value of the fifth sending timing and the sixth sending timing;

a sending module, configured to send capability information of the terminal to the control node;

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal can maintain a plurality of reception timings;

In one embodiment of the present application, the terminal transmits a plurality of first transmission signals to a control node through a signal amplifier with different first transmission timings; alternatively, the terminal receives a plurality of second transmission signals from the control node through the signal amplifier with different reception timings.

The device provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 5, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

Referring to fig. 15, an embodiment of the present application provides a transmission apparatus, which is applied to a control node, where the apparatus 1500 includes:

a transmission module 1501 for receiving a plurality of first transmission signals transmitted by a terminal through different first transmission timings; alternatively, the second transmission signal is transmitted to the terminal with different reception timing.

In an embodiment of the present application, the transmission module 1501 is further configured to: information related to the reception timing is received.

In one embodiment of the present application, the apparatus 1500 further comprises:

a sending module, configured to send a first signaling, where the first signaling indicates a downlink beam, and the receiving timing and the downlink beam have a preset corresponding relationship.

a sending module, configured to send a third signaling, where the third signaling is used to uniformly adjust all first sending timings, or the third signaling is used to respectively adjust the first sending timings.

a sending module, configured to send a fourth signaling;

the fourth signaling indicates a first sending timing corresponding to a specific uplink transmission, or the fourth signaling indicates an uplink beam, and the first sending timing and the uplink beam have a preset corresponding relationship; or the fourth signaling indicates a first transmission timing corresponding to the SRS, or the fourth signaling indicates an uplink beam of the SRS, and the first transmission timing and the uplink beam have a preset corresponding relationship.

a receiving module, configured to receive capability information from the terminal;

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal is capable of maintaining a plurality of reception timings;

a determining module, configured to determine a first transmission timing associated with an uplink beam.

In one embodiment of the present application, the determining module is further configured to: blind detecting a channel detection reference signal in a specific uplink beam direction through different receiving timings; determining a first sending timing associated with the specific uplink wave beam according to a blind detection result; or, detecting a channel sounding reference signal according to a specific receiving timing, where the channel sounding reference signal is transmitted by the terminal on a first uplink beam at a specific first transmission timing; and determining the first sending timing associated with the first uplink beam according to the detection result.

The device provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 6, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

The embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is configured to send a plurality of first transmission signals to a control node at different first sending timings; alternatively, a plurality of second transmission signals are received from the control node with different reception timings. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect.

Specifically, fig. 16 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application, where the terminal 1600 includes, but is not limited to: at least some of the components of the radio unit 1601, the network module 1602, the audio output unit 1603, the input unit 1604, the sensor 1605, the display unit 1606, the user input unit 1607, the interface unit 1608, the memory 1609, and the processor 1610, etc.

Those skilled in the art will appreciate that terminal 1600 may also include a power supply (e.g., a battery) for powering the various components, which may be logically coupled to processor 1610 via a power management system to perform the functions of managing charging, discharging, and power consumption via the power management system. The terminal structure shown in fig. 16 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and will not be described again.

It should be understood that in the embodiment of the present application, the input Unit 1604 may include a Graphics Processing Unit (GPU) 16041 and a microphone 16042, and the Graphics processor 16041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1606 may include a display panel 16061, and the display panel 16061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1607 includes a touch panel 16071 and other input devices 16072. Touch panel 16071, also referred to as a touch screen. The touch panel 16071 may include two parts of a touch detection device and a touch controller. Other input devices 16072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

In this embodiment, the radio frequency unit 1601 receives downlink data from a network device and then processes the downlink data in the processor 1610; in addition, the uplink data is sent to the network side equipment. Generally, the radio frequency unit 1601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 1609 may be used to store software programs or instructions as well as various data. The memory 1609 may mainly include a stored program or instruction area and a stored data area, wherein the stored program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. In addition, the Memory 1609 may include a high-speed random access Memory, and may also include a nonvolatile Memory, which may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable PROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

Processor 1610 may include one or more processing units; alternatively, processor 1610 may integrate an application processor, which handles primarily the operating system, user interface, and applications or instructions, and a modem processor, which handles primarily wireless communications, such as a baseband processor. It is to be appreciated that the modem processor described above may not be integrated into processor 1610.

The terminal provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 5, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

The embodiment of the application further provides a network side device, which comprises a processor and a communication interface, wherein the communication interface is used for receiving a plurality of first transmission signals sent by a terminal through different first sending timings; alternatively, the second transmission signal is transmitted to the terminal with different reception timing. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation manners of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.

Specifically, the embodiment of the application further provides a control node. As shown in fig. 17, the network-side device 1700 includes: antenna 1701, radio frequency device 1702, baseband device 1703. An antenna 1701 is coupled to the radio frequency device 1702. In the uplink direction, rf device 1702 receives information via antenna 1701 and sends the received information to baseband device 1703 for processing. In the downlink direction, the baseband device 1703 processes information to be transmitted and transmits the processed information to the rf device 1702, and the rf device 1702 processes the received information and transmits the processed information via the antenna 1701.

The above band processing apparatus may be located in the baseband apparatus 1703, and the method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 1703, where the baseband apparatus 1703 includes a processor 1704 and a memory 1705.

The baseband device 1703 may include, for example, at least one baseband board on which a plurality of chips are disposed, as shown in fig. 17, where one of the chips, for example, the processor 1704, is connected to the memory 1705 to call up a program in the memory 1705 to perform the network device operations shown in the above method embodiments.

The baseband device 1703 may further include a network interface 1706, such as a Common Public Radio Interface (CPRI) interface, for exchanging information with the radio frequency device 1702.

Specifically, the network side device in the embodiment of the present application further includes: instructions or programs stored on the memory 1705 and executable on the processor 1704. It is understood that the processor 1704 invokes the instructions or programs in the memory 1705 to perform the method performed by the modules shown in fig. 15, and achieves the same technical effect, which is not described herein for avoiding repetition.

Embodiments of the present application also provide a computer program/program product stored in a non-volatile storage medium, which is executed by at least one processor to implement the steps of the method of processing as described in fig. 5 or fig. 6.

An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the method embodiment shown in fig. 5 or fig. 6, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the method embodiment shown in fig. 5 or fig. 6, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A method of transmission, comprising:

the terminal sends a plurality of first transmission signals to the control node through different first sending timings; or,

the terminal receives a plurality of second transmission signals from the control node with different reception timings.

2. The method of claim 1, further comprising:

the terminal acquires a plurality of reception timings or a plurality of transmission timings.

3. The method according to claim 2, wherein the step of the terminal acquiring a plurality of receiving timings comprises:

4. The method of claim 2, further comprising:

and the terminal sends the relevant information of the receiving timing to the control node.

5. The method of claim 4,

the information on the reception timing is associated with a downlink beam.

6. The method of claim 4, wherein the information related to the receiving timing comprises: timing differences of different reception timings.

7. The method of claim 1, further comprising:

the terminal determines the receiving timing corresponding to the specific downlink transmission by blindly detecting a plurality of receiving timings;

or,

the terminal receives a first signaling;

and the terminal determines the receiving timing corresponding to the specific downlink transmission according to the first signaling, the first signaling indicates a downlink wave beam, and the receiving timing and the downlink wave beam have a preset corresponding relation.

8. The method of claim 1, further comprising:

the terminal determines a reference timing;

9. The method of claim 8, wherein the reference timing remains unchanged for a set period of time.

10. The method according to claim 8, wherein the second transmission timing is any one of a plurality of transmission timings carried in the second signaling, or wherein the second transmission timing is a specific one of the plurality of transmission timings carried in the second signaling, or wherein the second transmission timing is a first one of the plurality of transmission timings carried in the second signaling.

11. The method of claim 1, further comprising:

the terminal receives a third signaling;

12. The method of claim 11, wherein the third signaling is used to adjust all the first transmission timings in a unified manner, or wherein the third signaling is used to adjust the corresponding first transmission timings respectively.

13. The method of claim 1, further comprising:

14. The method according to claim 13, wherein the preset transmission timing is configured by the control node.

15. The method of claim 1, further comprising:

16. The method of claim 15, wherein the terminal transmits the SRS on one uplink beam according to different preset transmission timings, comprising:

17. The method of claim 16, wherein the preset transmission timing for the terminal to transmit SRS on each set of SRS resources is configured by the controlling node.

18. The method of claim 1, further comprising:

the terminal receives a fourth signaling;

or,

19. The method of claim 1,

and each first sending timer is independently provided with a timer, and the timer is used for judging uplink out-of-step.

20. The method of claim 19, further comprising:

under the condition that all timers corresponding to the first sending timing count down, the terminal judges that the uplink is out of synchronization;

or,

the terminal judges that the uplink is out of step under the condition that a timer corresponding to any first sending timing counts down;

or,

and under the condition that the number of the first sending timings counted down by the timer reaches a preset number, the terminal judges that the uplink is out of step.

21. The method of claim 20, wherein the first transmission timing counted down by the timer is invalid.

22. The method of claim 1,

all the first transmission timings share one timer for determining the uplink out-of-synchronization.

23. The method of claim 22, further comprising:

or,

24. The method according to claim 1 or 2, characterized in that the method further comprises:

and the terminal determines a first sending timing of a plurality of uplink transmissions according to the timing difference between the fourth sending timing and different receiving timings.

25. The method of claim 24, further comprising:

26. The method of claim 24, wherein the transmit timing of the plurality of uplink transmissions comprises one or more of:

a fourth transmission timing indicated by the control node;

27. The method of claim 1, further comprising:

when the terminal determines the sending timing of a second uplink path according to the receiving timing of the first downlink path, determining the sending timing of the second uplink path as an average value of a fifth sending timing and a sixth sending timing;

or,

28. The method of claim 1, further comprising:

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal can maintain a plurality of reception timings;

29. The method of claim 1,

the terminal sends a plurality of first transmission signals to the control node through the signal amplifier by adopting different first sending timings;

or,

30. A method of transmission, comprising:

a control node receives a plurality of first transmission signals transmitted by a terminal through different first transmission timings; or,

the control node transmits the second transmission signal to the terminal at a different reception timing.

31. The method of claim 30, further comprising:

the control node receives information related to the reception timing.

32. The method of claim 31, wherein the information related to the receiving timing is associated with a downlink beam.

33. The method of claim 31, wherein the information related to the receiving timing comprises: timing differences of different reception timings.

34. The method of claim 30, further comprising:

35. The method of claim 30, further comprising:

36. The method of claim 30, further comprising:

the control node sends a fourth signaling;

or the fourth signaling indicates a first transmission timing corresponding to the SRS, or the fourth signaling indicates an uplink beam of the SRS, where the first transmission timing and the uplink beam have a preset correspondence.

37. The method of claim 30, further comprising:

the control node receiving capability information from the terminal;

wherein the capability information comprises one or more of:

whether the terminal can maintain a plurality of transmission timings;

whether the terminal can maintain a plurality of reception timings;

38. The method of claim 30, further comprising:

39. The method of claim 30, wherein the step of the control node determining the first transmit timing associated with the uplink beam comprises:

or,

40. A transmission apparatus, comprising:

41. A transmission apparatus, comprising:

a transmission module, configured to receive a plurality of first transmission signals sent by a terminal through different first sending timings; alternatively, the second transmission signal is transmitted to the terminal with different reception timing.

42. A communication device, comprising: processor, memory and program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method according to any one of claims 1 to 39.

43. A readable storage medium, on which a program or instructions are stored, which when executed by a processor, carry out the steps of the method according to any one of claims 1 to 39.