WO2018137401A1

WO2018137401A1 - Data sending method and apparatus, network side device, terminal and storage medium

Info

Publication number: WO2018137401A1
Application number: PCT/CN2017/113662
Authority: WO
Inventors: 寇帅华; 刘星; 郝鹏; 毕峰
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-01-25
Filing date: 2017-11-29
Publication date: 2018-08-02
Also published as: CN108347777A; CN108347777B

Abstract

Disclosed is a data sending method, comprising: receiving an uplink reference signal on an uplink reference signal resource, wherein the uplink reference signal carries uplink scheduling request indication information, and the uplink scheduling request indication information is used for informing a network side device whether there is an uplink scheduling request; and sending downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource. At the same time, also disclosed are a data sending apparatus, a network side device, a terminal and a computer storage medium.

Description

Data transmitting method, device, network side device, terminal and storage medium

The present application is based on a Chinese patent application filed on Jan. 25, 2017, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present invention relates to the field of mobile communications technologies, and in particular, to a data transmitting method and apparatus, a network side device, a terminal, and a computer storage medium.

Background technique

With the continuous advancement of radio technology, a variety of radio services have emerged, and the spectrum resources supported by the radio service are limited. In the face of increasing demand for bandwidth, the traditional commercial communication mainly uses 300MHz to 3GHz. The spectrum resources are extremely tight and cannot meet the needs of future wireless communications.

In future wireless communications, it will expand to support carrier frequencies higher than the carrier frequency used in fourth-generation (4G) communication systems, such as 28GHz, 45GHz, etc., 5G new radio access technology (New Radio access Technology) , NR) system potential working frequency band reaches 100GHz. In high frequency bands (for example, frequencies greater than 6 GHz), due to the large attenuation of electromagnetic waves, beamforming is usually required to increase the transmission distance, which makes the coverage angle of the beam smaller. Moreover, since the number of radio linkes of the base station is limited, the number of beams that can be simultaneously transmitted is limited, and it is required to transmit and connect by means of round-trip transmission to achieve 360-degree or 120-degree coverage. Generally, for the newly accessed or idle user equipment (UE, User Equipment), the optimal transmit beam and the receive beam of the UE side and the network side device need to be obtained in a scanning manner when accessing the system. However, such beam scanning also reduces resource utilization.

At present, the types of services supported by NR fall into three categories: Ultra-Reliable and Low Latency Communications (URLLC), Enhanced Mobile Broadband (eMBB), Massive Machine Type Communication (mMTC, Massive Machine Type). Communications). Different services have different requirements. For example, URLLC services require high reliability and low latency (user delay is 0.5ms), while mMTC emphasizes that there are more terminals to support and less power consumption. For reliability and delay. Not too high a requirement. In order to support these flexible services, a new UE state, that is, a Radio Resource Control (Inactive, RRC_INACTIVE) state, is introduced in the NR, which can be regarded as a long-term evolution ( LTE, Long Term Evolution) A state intermediate between the UE idle state and the connected state. In this state, the UE maintains the power-saving mode and has little signaling interaction with the network-side device. However, the network-side device still needs to track the UE, know which cell the UE is currently located, and the UE's optimal service sending and receiving node ( TRP, Transmission and Receive Point,), and support for small data volume uplink transmission and downlink transmission. In order to implement tracking of the UE by the network side device, the UE periodically sends some reference signals. Generally, for example, in LTE, uplink data is required. First, the UE needs to access the network first, and then some processes of uplink data transmission can be started. In this case, the delay itself is relatively large, and the NR is due to the beam. Scanning will make this access delay more obvious, which obviously can not meet the needs of the business in the NR, especially the needs of the URLLC service.

Summary of the invention

Embodiments of the present invention provide a data transmission method and apparatus, a network side device, a terminal, and a computer storage medium, which at least partially solve the problem that a service data transmission delay is large.

The technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a data sending method, where the method includes:

Receiving an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries a line scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

And transmitting downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource.

An embodiment of the present invention provides a data transmitting apparatus, where the apparatus includes: a first receiving unit, and a first sending unit, where

The first receiving unit is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, and the uplink scheduling request indication information notifies the network side device whether there is an uplink scheduling request;

The first sending unit is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

An embodiment of the present invention provides a data sending apparatus, where the apparatus includes: a second sending unit, and a second receiving unit, where

The second sending unit is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The second receiving unit is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

An embodiment of the present invention provides a network side device, where the network side device includes: a receiver and a transmitter, where

The receiver is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

The transmitter is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

An embodiment of the present invention provides a terminal, where the terminal includes: a transmitter and a receiver, where

The transmitter is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The receiver is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

The embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the data sending method provided by the one or more embodiments.

The embodiment of the present invention provides a data sending method, a device, a network side device, a terminal, and a computer storage medium, and receives an uplink reference signal on an uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, and the uplink The scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request, and the downlink feedback is sent on the downlink feedback resource corresponding to the uplink reference signal resource. On the one hand, after the uplink reference signal is sent, the terminal passes the special The additional signaling sends an uplink scheduling information request, which obviously advances the starting time point of sending the service data after the UE completes the service access, obviously reduces the transmission delay of the service data; and on the other hand, by using the uplink reference signal The resource sends an uplink scheduling information request, thereby realizing a variety of uses of resources and realizing resource reuse, thereby providing high resource utilization. Therefore, in summary, the data sending method, device, network side device, and terminal provided by the embodiments of the present invention can not only reduce resources used by the network side device for feedback, but also improve resource utilization, and can also implement fast. Scheduling reduces the delay of uplink data transmission.

DRAWINGS

In the drawings, which are not necessarily to scale, the Like reference numerals with different letter suffixes may indicate different examples of similar components. The drawings generally illustrate the various embodiments discussed herein by way of example and not limitation.

1 is a schematic flowchart 1 of a data sending method according to an embodiment of the present invention;

2 is a schematic diagram of a scheduling request indication according to an embodiment of the present invention;

FIG. 3 is a schematic diagram 1 of a beam sending manner according to an embodiment of the present disclosure;

FIG. 4 is a second exemplary diagram of a beam sending manner according to an embodiment of the present disclosure;

FIG. 5 is a third schematic diagram of a beam sending manner according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram 4 of a beam sending manner according to an embodiment of the present disclosure;

FIG. 7 is a second schematic flowchart of a data sending method according to an embodiment of the present disclosure;

FIG. 8 is a schematic flowchart 3 of a data sending method according to an embodiment of the present disclosure;

FIG. 9 is a schematic flowchart 4 of a data sending method according to an embodiment of the present disclosure;

10 is a schematic flowchart 5 of a data sending method according to an embodiment of the present invention;

FIG. 11 is a schematic flowchart 6 of a data sending method according to an embodiment of the present disclosure;

FIG. 12 is a schematic flowchart diagram of a data sending method according to an embodiment of the present disclosure;

FIG. 13 is a schematic flowchart diagram of a data sending method according to an embodiment of the present disclosure;

FIG. 14 is a schematic flowchart nin of a data sending method according to an embodiment of the present disclosure;

15 is a schematic flowchart of a data sending method according to an embodiment of the present invention;

FIG. 16 is a schematic flowchart 11 of a data sending method according to an embodiment of the present disclosure;

FIG. 17 is a schematic flowchart of a data sending method according to an embodiment of the present invention;

FIG. 18 is a schematic structural diagram 1 of a data sending apparatus according to an embodiment of the present disclosure;

FIG. 19 is a schematic structural diagram 2 of a data sending apparatus according to an embodiment of the present disclosure;

FIG. 20 is a schematic structural diagram 3 of a data sending apparatus according to an embodiment of the present disclosure;

FIG. 21 is a schematic structural diagram 1 of a network side device according to an embodiment of the present disclosure;

FIG. 22 is a schematic structural diagram 2 of a network side device according to an embodiment of the present disclosure;

FIG. 23 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit this invention.

It should be noted that the network side device entity may include a base station, an evolved base station (e-NodeB), a gNB, a relay station, and the like, and the terminal entity includes user equipments such as a mobile phone, a smart watch, and a wearable device. In the following examples, the network side device represents the network side device entity, and the UE represents the terminal side entity.

Embodiment 1

The embodiment of the invention provides a data sending method. As shown in FIG. 1 , the method may include:

Step 101: Receive an uplink reference signal on an uplink reference signal resource.

The uplink reference signal carries the uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request.

The executor of the data sending method provided by the embodiment of the present invention may be a data sending device, where the data sending device may be a network side device, that is, the network side device receives the uplink reference signal on the uplink reference signal resource.

The time domain resource of the uplink reference signal is configured by a system or a network side device. The device of the network side device, which may be referred to as a network side device, may include: a device that is connected to the UE, such as a base station or a mobile management network element. In this embodiment, the UE may also be referred to as a terminal.

Optionally, the manner in which the uplink scheduling request indication information indicates whether an uplink scheduling request is present includes a display indication or an implicit indication. The explicit indication refers to carrying uplink scheduling request information in the uplink reference signal.

The implicit indication means that the uplink scheduling request is implicitly indicated by information such as resource location, sequence selection, cyclic shift parameter, and scrambling mode of the uplink reference signal. The display indication can also be understood as display carrying, and the implicit indication can also be understood as implicit carrying. In summary, the implicit indication in the embodiment of the present invention refers to: transmitting, by using a correspondence between a sending parameter and/or an attribute of the uplink reference signal and an uplink scheduling request, the uplink reference signal, so that the receiving end receives the After the uplink reference signal is described, the uplink scheduling request information is determined according to a sending parameter and/or an attribute of the uplink reference signal. The sending parameter may include: a resource location of the reference signal, a sequence of reference signals; and the attributes may include: a cyclic shift parameter and/or a scrambling mode.

In the embodiment of the present invention, the uplink reference signal may be a known signal sent by the UE to a network side device, such as a base station. After the uplink reference signal is transmitted, the receiving end may receive, and then according to the status of the receiving end, may be used. The channel estimation and/or channel sounding between the transmitting end and the receiving end can be used for the predetermined signal that the two ends of the communication select the appropriate channel for communication.

The cyclic displacement mode may include: a direction of the cyclic displacement, a cyclic displacement to the left, or a cyclic displacement to the right, the number of bits of the cyclic displacement, for example, K bits of the cyclic displacement. The parameters may be pre-established corresponding to the uplink scheduling request. If the uplink reference signal adopts one of the cyclic shift parameters, the receiving end may determine the current current according to one of the cyclic displacement parameters. The upstream scheduling request of the sender. In this case, on the one hand, the uplink scheduling information is not vacated to transmit the uplink scheduling information, and the compatibility with the prior art is large. On the other hand, the communication between the two parties has less signal or less signaling, and has signaling overhead. Small features.

Exemplarily, the implicit indication scheduling request is performed by using the uplink reference signal, and may be indicated by a resource location, a reference signal sequence, a sequence cyclic shift, or a different scrambling sequence, and the network side device determines according to the received uplink reference signal. .

The scheduling request is implicitly indicated by the resource location. As shown in Figure 2, the entire resource block is divided into two parts, represented by

resource blocks

1 and 2, and the uplink reference signal is sent on resource block 1. The time indicates that the terminal UE has no scheduling request, and when the uplink reference signal is transmitted on the resource block 2, it indicates that the UE has a scheduling request.

The scheduling request is implicitly indicated by the reference signal sequence. As shown in FIG. 2b, the sequences x ₁ , x ₂ , . . . , x _n and the sequences y ₁ , y ₂ , . . . , y _n can be used for the uplink reference signal. And the sequence x ₁ , x ₂ , ..., x _n indicates that the UE has a scheduling request, and the sequence y ₁ , y ₂ , ..., y _n indicates that the UE has no scheduling request. The scheduling request is implicitly indicated by a sequence cyclic shift, as shown in Figure 2, c, the sequence x ₁ , x ₂ , ..., x _n and its cyclic shifts x ₃ , x ₄ , ..., x ₂ can be used The uplink reference signal, and the sequence x ₁ , x ₂ , . . . , x _n indicates that the UE has a scheduling request, and the cyclic shift sequence x ₃ , x ₄ , . . . , x ₂ indicates that the UE has no scheduling request.

The scheduling request is implicitly indicated by different scrambling sequences. As shown in FIG. 2d, the sequence X(n) has two types of scrambling modes, wherein the first scrambling mode indicates that the UE has a scheduling request, and the second method is adopted. The scrambling mode indicates that the UE has no scheduling request. In this way, the terminal UE selects a corresponding transmission resource, sequence, or scrambling mode according to whether it has a scheduling request, and the network side device can determine whether the UE has a scheduling request according to the same method.

Here, the network side device may pre-configure the uplink reference signal resource, and the network side device may pre-configure the downlink feedback resource, and the uplink reference signal resource and the downlink feedback resource have a corresponding relationship.

Corresponding relationship between the uplink reference signal and the corresponding downlink feedback between the time domain resources. When the network side device configures the resource of the uplink reference signal for the UE, the corresponding relationship between the uplink reference signal and the feedback of the time domain resource is configured at the same time, and the UE and the network side device both transmit or receive signals according to the corresponding relationship.

Exemplarily, as shown in FIG. 3, there are two transmit beams on the UE side of the terminal, and two receive beams are respectively denoted by 1, 2. The network side device gNB has three receiving beams and three transmitting beams, which are respectively denoted by a, b, and c. The correspondence between the uplink reference signal resources 1 to 6 and the feedback resources 7 to 12 is 1 corresponding to 7, 2 is corresponding to 8, ..., and so on, and 6 is corresponding to 12. And configure the UE to take

resources

1, 3, 5 With the same transmit beam, the UE is configured to use the same transmit beam on

resources

2, 4, and 6. The transmit beam of the UE on the resource having the corresponding relationship is the same as the direction of the receive beam.

Step 102: Send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

In a possible implementation manner, when the uplink scheduling request indication information notifies the network side device that there is an uplink scheduling request, the downlink feedback includes at least timing advance information.

In a possible implementation manner, when the uplink scheduling request indication information is used to notify the network side device that there is no uplink scheduling request, the downlink feedback includes the network side device receiving the receiving feedback of the uplink reference signal.

Optionally, when the network side device sends downlink feedback in a directional beam manner, and the terminal does not have reciprocity, the downlink feedback includes at least: transmit beam information of the terminal.

In the embodiment of the present invention, the terminal or the network side device has reciprocity, and the transmitting antenna port of the terminal or the network side device has a corresponding relationship with the receiving antenna port, and the terminal or the network side device can obtain another according to one of them. For example, if the terminal or network side device knows its own optimal receiving antenna port or beam, then it can know its own optimal transmitting antenna port or beam according to the corresponding relationship.

Optionally, when the network side device sends the downlink feedback in the omnidirectional beam mode, and the terminal sends the uplink reference signal in the omnidirectional beam, the uplink reference signal and the downlink feedback may not include the terminal and/or Or transmit beam information of the network side device.

Optionally, the downlink feedback further includes: uplink scheduling information or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource. The uplink scheduling resource is used to send the uplink scheduling information, where the uplink scheduling information is used to indicate at least a resource location for transmitting uplink data. The resource locations herein may include: a time domain resource location and/or a frequency domain resource location. The uplink scheduling information may further include: sending power of the uplink data. And other information such as the modulation and coding method of the uplink data.

Optionally, after the network side does not have the reciprocity, after the sending the downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource, the method further includes:

Receiving uplink feedback at a location corresponding to the downlink feedback, and transmitting uplink scheduling information based on the uplink feedback.

Optionally, the method further includes: when the downlink feedback includes the uplink scheduling resource indication information, sending the uplink scheduling information on an uplink scheduling resource indicated by the uplink scheduling resource indication information.

In a possible implementation, the sending the downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource includes:

When the network side does not have reciprocity, downlink feedback is sent in a beam scanning manner on the downlink feedback resource.

When the network side device has reciprocity, the downlink feedback resource is sent in a beam scanning manner, and the first transmit beam of the network side device is used by the network side device to receive the uplink reference signal. The transmit beam corresponding to the receive beam with the strongest signal strength.

Optionally, the method further includes: sending the uplink scheduling information in a subframe/slot after the downlink feedback is sent.

Optionally, the receiving the uplink feedback at the location corresponding to the downlink feedback, and sending the uplink scheduling information, includes:

Receiving uplink feedback on the resource corresponding to the downlink feedback, where the uplink feedback includes transmit beam information of the network side device;

And transmitting the uplink scheduling information by using a transmit beam of the network side device in the uplink feedback.

Optionally, the method further includes: receiving uplink data on the resource indicated by the uplink scheduling.

Optionally, the method may further include: configuring a receive beam policy for the terminal according to the reciprocity feature of the network side device and the terminal.

When the UE side and the network side do not have reciprocity, for example, as shown in FIG. 3, on the uplink reference signal resource, the UE sends an uplink reference signal in a scanning manner, and the next generation base station (gNB) of the network side device The uplink reference signal is also received in a scanning manner. After the uplink reference signal is sent, the network side device can determine the optimal receiving beam of the network side device and the optimal transmitting beam of the UE, or the optimality of the network side device itself. The receiving beam and the resource corresponding to the optimal transmitting beam of the UE, wherein the optimal receiving beam of the network side device itself is the receiving signal beam with the strongest signal strength of the uplink reference signal, and the optimal transmitting beam of the UE is The transmit beam of the UE with the strongest signal strength of the uplink reference signal received by the network side device, and the resource corresponding to the optimal transmit beam of the UE is the transmit beam corresponding resource of the UE when the signal strength of the uplink reference signal received by the network side device is the strongest.

On the feedback resource, the network side device sends the downlink feedback in a scanning manner, and the UE also receives the feedback in a scanning manner, where the downlink feedback must include the optimal transmit beam of the UE. Similarly, the UE can determine its own optimal receiving beam and the optimal transmitting beam of the network side device, or its own optimal receiving beam and the resource corresponding to the optimal transmitting beam of the network side device. Finally, the UE notifies the optimal transmit beam of the network side device.

When the network side device has reciprocity and the UE side does not have reciprocity, as shown in FIG. 4, on the uplink reference signal resource, the UE sends an uplink reference signal in a scanning manner, and the network side device gNB also The uplink reference signal is received in a scanning manner. After the uplink reference signal is sent, the network side device can determine its own optimal receiving beam (ie, the receiving beam b) and the optimal transmitting beam of the UE (ie, the transmitting beam 1). Or its own optimal receive beam and the resource corresponding to the optimal transmit beam of the UE (ie, resource 3).

Due to the reciprocity of the network side, the network side can obtain its own optimal transmit beam, ie, transmit beam b, according to reciprocity. Therefore, on the feedback resource, the network side device sends feedback by using the transmit beam b, and the feedback information at this time must include the optimal transmit beam information of the UE. After receiving all the feedbacks on the feedback resources, the UE can obtain its own optimal receiving beam and the optimal transmitting beam of the base station.

When the network side does not have reciprocity, and the UE side has reciprocity, as shown in FIG. 5, on the uplink reference signal resource, the UE sends the uplink reference signal in a scanning manner, and the network side device gNB also scans. The method of receiving the uplink reference signal, after the uplink reference signal is sent, the network side device can determine its own optimal receiving beam (ie, the receiving beam b) and the optimal transmitting beam of the UE (ie, the transmitting beam 1), or itself. The optimal receive beam and the resource corresponding to the optimal transmit beam of the UE (ie, resource 3).

Since the network side device already knows the optimal transmit beam of the UE or the resource corresponding to the optimal transmit beam, and knows that the uplink reference signal resource of the UE using the optimal transmit beam is 1, 3, 5, then on the feedback resource, the network side device The feedback is sent in a scanning manner on the

feedback resources

7, 9, 11 corresponding to the

resources

1, 3, and 5. The information of the feedback at this time may not include the optimal transmit beam information of the UE. After receiving the feedback, the UE can obtain its own optimal receiving beam and the optimal transmitting beam of the network side device, or the resource corresponding to the optimal transmitting beam of the network side device. Since the UE can only receive feedback on the

resources

7, 9, and 11, the optimal transmit beam of the UE is obtained as the transmit beam on the first, third, and fifth resources, that is, the transmit beam 1, according to the resource correspondence. Finally, the UE wants to notify the optimal transmit beam of the network side device.

When the network side device and the UE have reciprocity, for example, as shown in FIG. 6, on the uplink reference signal resource, the UE sends an uplink reference signal in a scanning manner, and the network side device gNB also receives the uplink reference in a scanning manner. The signal, when the uplink reference signal is sent, the network side device can determine its own optimal receiving beam (ie, receiving beam b) and the optimal transmitting beam of the UE (ie, transmitting beam 1), or its own optimal receiving beam. And the optimal transmit beam corresponding to the UE Resources (ie resources 3).

Since both the network side device and the UE side have reciprocity, the network side device can know its own optimal transmit beam, that is, the transmit beam b, and the optimal receive beam of the UE is beam 1 or the same direction as the transmit beam on the resource 3. Receive beam. On the feedback resource, the network side device sends feedback on the feedback resource 9 corresponding to the resource 3 with the transmit beam b. The feedback information may not include the UE transmit beam information. After receiving the feedback, the UE may obtain its own optimal transmit beam as the beam 1 according to the resource correspondence and reciprocity.

The data sending method provided by the embodiment of the present invention can reduce resources used by the network side device for feedback, improve resource utilization, and can implement fast scheduling, and reduce delay of uplink data transmission.

Embodiment 2

An embodiment of the present invention provides a data sending method. As shown in FIG. 7, the method may include:

Step 201: Send an uplink reference signal on the configured uplink reference signal resource.

The executor of the data sending method provided by the embodiment of the present invention may be a data sending device, where the data sending device may be a terminal UE, that is, the UE sends an uplink reference signal on the configured uplink reference signal resource.

The uplink reference signal carries an uplink scheduling request indication information, and the manner in which the uplink scheduling request indication information indicates whether an uplink scheduling request exists includes a display indication or an implicit indication.

The explicit indication refers to carrying uplink scheduling request information in the uplink reference signal. The implicit indication means that the uplink scheduling request is implicitly indicated by information such as resource location, sequence selection, cyclic shift, and scrambling mode of the reference signal.

Optionally, when the terminal does not send uplink data, the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request; when the terminal has uplink data transmission, the The uplink scheduling request indication information indicates that the terminal has an uplink scheduling request.

For example, when the UE has no uplink data to send, the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request. As shown in FIG. 8, the UE sends the uplink reference signal UL RS to the certain resources in a scanning manner. The network side device gNB, at this time, the uplink reference signal (UL RS) does not carry the scheduling request, and the network side device may feed back the response ACK in a scanning manner on the corresponding resource to indicate that the uplink reference signal has been received, or may be in the corresponding resource. The network side device does not feed back, that is, the network side device does not necessarily send downlink feedback to each uplink reference signal. The downlink feedback shown in Figure 8 is an acknowledgement acknowledgement (ACK), which in some embodiments may also be a negative acknowledgement (NACK).

For example, when the UE has uplink data to be sent, the uplink scheduling request indication information indicates that the terminal carries an uplink scheduling request. As shown in FIG. 9 , the UE sends the uplink reference signal UL RS to the certain resources in a scanning manner. The network side device gNB, and the uplink reference signal UL RS carries the uplink scheduling request indication information SR. The uplink scheduling request indication information carrying manner includes at least displaying carrying and implicit carrying. The bearer uplink reference signal carries information of 1 bit to indicate whether there is a scheduling request, for example, “1” indicates that there is a scheduling request; “0” indicates that there is no scheduling request. The implicit carrying carries at least the implicit information including the resource location, sequence selection, cyclic shift, and scrambling mode of the uplink reference signal to carry the uplink scheduling request. The network side device sends downlink feedback to the UE on the corresponding resource, where the downlink feedback includes timing advance information TA, and the UE sends a beam indication UE Tx beam ID and uplink scheduling information (UL grant). The UE sends the uplink data UL DATA to the network side device by using the transmit beam indicated by the network side device according to the uplink scheduling.

Step 202: Receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

The downlink feedback includes at least timing advance information.

Optionally, the downlink feedback further includes: an uplink scheduling or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource.

In a possible implementation, when the terminal sends the uplink reference signal by using the directional beam, the uplink reference signal is sent on the configured uplink reference signal resource, and is on the downlink feedback resource corresponding to the uplink reference signal resource. Receive downlink feedback, including:

The uplink reference signal is sent in a beam scanning manner on the configured uplink reference signal resource, and the downlink feedback resource is received on the downlink feedback resource corresponding to the uplink reference signal resource according to the configured receive beam policy, where the terminal does not When the reciprocity is available, the downlink feedback includes at least: transmit beam information of the terminal, where the transmit beam information of the terminal is used to indicate a transmit beam of the terminal, and when the terminal has reciprocity, according to the uplink The corresponding relationship between the reference signal resource and the downlink feedback resource determines a transmit beam of the terminal.

Optionally, the method further includes: when the downlink feedback includes uplink scheduling resource indication information, receiving an uplink scheduling on a resource indicated by the uplink scheduling resource indication information.

Optionally, the method further includes: receiving an uplink scheduling on a subframe/time slot after the downlink feedback is sent.

Optionally, after the network side does not have reciprocity, after receiving the downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource, the method further includes: sending uplink feedback, receiving uplink Scheduling.

Optionally, the sending the uplink feedback includes: transmitting uplink feedback by using a transmit beam of the terminal configured by the network side device, where the uplink feedback carries transmit beam information of the network side device.

Optionally, the receiving the uplink scheduling includes: receiving an uplink scheduling on a subframe/time slot after sending the uplink feedback.

Optionally, the method further includes: sending the uplink data according to an uplink scheduling.

For example, when the UE has uplink data to be transmitted, as shown in FIG. 10, the UE sends the uplink reference signal UL RS to the network side device gNB in a scanning manner on a certain resource, and the uplink reference signal carries an uplink scheduling request. Instructions. The uplink scheduling request indication information carrying manner includes at least display carrying and implicit carrying, and the specific display carrying and implicit carrying are implemented as described above. The network side device sends the downlink feedback to the UE on the corresponding resource, and the downlink feedback includes the timing advance information TA, and the UE sends the beam indication UE Tx beam ID and the offset UL grant offset of the uplink scheduling information in the uplink scheduling resource indication information. The uplink scheduling resource indication information is used to indicate the location of the uplink scheduling resource. The network side device sends the uplink scheduling information UL grant to the UE on the time domain resource indicated by the uplink scheduling resource indication information. The UE sends the uplink data UL DATA to the network side device by using the transmit beam indicated by the network side device according to the uplink scheduling.

Illustratively, when the UE has uplink data to be transmitted, as shown in FIG. 11, the UE sends the uplink reference signal UL RS to the network side device gNB in a scanning manner on a certain resource, and the uplink reference signal carries an uplink scheduling request. Instructions. The uplink scheduling request indication information carrying manner includes at least display carrying and implicit carrying, and the specific display carrying and implicit carrying are implemented as described above. The network side device sends the downlink feedback to the UE on the corresponding resource, and the downlink feedback includes the timing advance information TA, and the UE sends the beam indication information, for example, the base station sends the beam identifier (UE Tx beam ID), optionally, when the network side does not When the reciprocity is available, the UE sends the uplink feedback to the network side device by using the optimal transmit beam, and the uplink feedback includes the base station transmit beam identifier (gNB Tx beam ID) of the preferred transmit beam indication information of the network side device. The network side device preferably sends the uplink scheduling information UL grant to the UE in the following line. The UE sends the uplink scheduling information data UL DATA to the network side device by using the transmitting beam indicated by the network side device according to the uplink scheduling.

Embodiment 3

An embodiment of the present invention provides a data sending method. As shown in FIG. 12, the method may include:

Step 301: The UE sends an uplink reference signal UL RS to the network side device gNB, where the UL RS carries uplink scheduling request indication information.

In the embodiment of the present invention, the network side does not have reciprocity, and the UE side has reciprocity.

Optionally, the UE sends the uplink reference signal to the network side device in a scanning manner on a certain resource, and the uplink reference signal carries the uplink scheduling request indication information SR. The uplink scheduling request indication information carrying manner includes at least displaying carrying and implicit carrying. The display bearer means that the uplink reference signal carries 1 bit of information to indicate whether there is a scheduling request, for example, “1” indicates that there is a scheduling request; “0” indicates that there is no scheduling request. The implicit carrying carries at least the implicit information including the resource location, sequence selection, cyclic shift, and scrambling mode of the uplink reference signal to carry the uplink scheduling request.

Step 302: The gNB sends downlink feedback to the UE in a beam scanning manner on the corresponding resource, where the downlink feedback information includes a transmission advance amount (TA) in the timing advance information.

Step 303: The UE sends uplink feedback to the gNB, where the uplink feedback includes downlink optimal transmit beam information of the network side device, for example, a base station transmit beam indication (gNB Tx beam indication).

Optionally, the UE determines its preferred transmit beam according to the correspondence between the uplink reference signal resource and the downlink feedback resource. The uplink feedback is sent to the network side device by the optimal transmit beam on the resource corresponding to the downlink feedback, and the uplink feedback includes: a base station transmit beam indication (gNB Tx beam indication).

Step 304: The optimal transmit beam of the gNB sends the uplink scheduling information UL grant to the UE.

Step 305: The UE sends the uplink scheduling information data UL DATA to the network side device by using the optimal transmit beam according to the uplink scheduling.

Embodiment 4

An embodiment of the present invention provides a data sending method. As shown in FIG. 13, the method may include:

Step 401: The UE sends an uplink reference signal UL RS to the network side device gNB.

Optionally, the UE sends the uplink reference signal to the gNB in a scanning manner on a certain resource, and the uplink reference signal carries the uplink scheduling request indication information. The uplink scheduling request indication information carrying manner includes at least the display carrying and the implicit carrying, and the specific display carrying and implicit carrying are implemented as described above, and details are not described herein again.

Step 402: The gNB sends downlink feedback to the UE in a beam scanning manner on the corresponding resource, where the downlink feedback includes timing advance information (for example, a transmission advance TA) and uplink scheduling information UL grant.

Step 403: The UE determines the preferred transmit beam according to the correspondence between the uplink reference signal resource and the downlink feedback resource, and sends the uplink data UL DATA to the gNB according to the uplink scheduling information UL grant, and the uplink data includes The base station transmits a beam indication (gNB Tx beam indication) of the downlink optimal transmit beam of the network side device.

Embodiment 5

An embodiment of the present invention provides a data sending method. As shown in FIG. 14, the method may include:

Step 501: The UE sends an uplink reference signal UL RS to the network side device gNB.

In the embodiment of the present invention, the network side and the UE side do not have reciprocity.

Optionally, the UE sends the uplink reference signal to the network side device in a scanning manner on a certain resource, and the uplink reference signal carries the uplink scheduling request indication information SR. Upstream scheduling request The information carrying manner includes at least display carrying and implicit carrying, and the specific display carrying and implicit carrying is implemented as described above.

Step 502: The gNB sends downlink feedback to the UE in a beam scanning manner on the corresponding resource, and the downlink feedback includes timing advance information TA and UE optimal transmit beam information UE Tx beam indication.

Step 503: The UE sends the uplink feedback to the gNB by using the optimal transmit beam on a certain resource, where the uplink feedback includes the downlink optimal transmit beam information gNB Tx beam indication of the network side device.

Step 504: The optimal transmit beam of the gNB sends the uplink scheduling information UL grant to the UE.

Step 505: The UE sends the uplink data UL DATA to the gNB according to the uplink transmit content and the optimal transmit beam.

Embodiment 6

An embodiment of the present invention provides a data sending method. As shown in FIG. 15, the method may include:

Step 601: The UE sends an uplink reference signal UL RS to the network side device gNB.

In the embodiment of the present invention, the network side device and the UE side have reciprocity.

Optionally, the UE sends the uplink reference signal to the network side device in a scanning manner on a certain resource, and the uplink reference signal carries the uplink scheduling request indication information. The carrying manner of the uplink scheduling request indication information includes at least the display carrying and the implicit carrying. The implementation of the specific carrying and implicit carrying is as described above, and details are not described herein again.

Step 602: The gNB sends downlink feedback to the UE on the corresponding resource, where the downlink feedback includes the timing advance information TA and the uplink scheduling information UL grant of the UE.

Step 603: The UE determines the preferred transmit beam according to the correspondence between the uplink reference signal resource and the downlink feedback resource, and sends the uplink data UL DATA to the network side device by using the optimal transmit beam according to the uplink scheduling.

Example 7

The embodiment of the invention provides a data sending method. As shown in FIG. 16, the method may include:

Step 701: The UE sends an uplink reference signal UL RS to the network side device gNB.

The data sending method provided by the embodiment of the present invention is applied to when the network side device and the UE side both transmit in an omnidirectional beam.

Optionally, the UE sends an uplink reference signal to the network side device in an omnidirectional beam on a certain resource, where the uplink reference signal carries uplink scheduling request indication information. The carrying manner of the uplink scheduling request indication information includes at least display carrying and implicit carrying. The bearer uplink reference signal carries information of 1 bit to indicate whether there is a scheduling request, for example, “1” indicates that there is a scheduling request; “0” indicates that there is no scheduling request. The implicit carrying carries at least the implicit information including the resource location, sequence selection, cyclic shift, and scrambling mode of the uplink reference signal to carry the uplink scheduling request.

Step 702: The gNB sends downlink feedback to the UE on the downlink feedback resource corresponding to the uplink reference signal resource, where the downlink feedback includes the timing advance information TA and the UE uplink scheduling information UL grant.

Step 703: The UE sends the uplink data UL DATA to the gNB according to the uplink scheduling in the downlink feedback.

Example eight

An embodiment of the present invention provides a data sending method. As shown in FIG. 17, the method may include:

Step 801: The UE sends an uplink reference signal UL RS to the network side device gNB.

The data sending method provided by the embodiment of the present invention is applied to when the network side device and the UE side both transmit in an omnidirectional beam. The UE sends an uplink reference signal to the gNB on a certain resource, and the uplink reference signal carries the uplink scheduling request indication information. The uplink scheduling request indication information carrying manner includes at least the display carrying and the implicit carrying, and the specific display carrying and implicit carrying are implemented as described above, and details are not described herein again.

Step 802: The gNB sends downlink feedback to the UE on the corresponding resource, where the downlink feedback includes the timing advance information TA.

Step 803: The gNB sends a UL grant to the UE.

Step 804: The UE sends the uplink data UL DATA to the gNB according to the uplink scheduling UL grant.

Example nine

The embodiment of the present invention provides a data transmitting apparatus 90. As shown in FIG. 18, the apparatus includes: a first receiving unit 901, and a first sending unit 902, where

The first receiving unit 901 is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

The first sending unit 902 is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

Optionally, as shown in FIG. 19, the apparatus further includes: a configuration unit 903, configured to pre-configure The uplink reference signal resource and the downlink feedback resource are configured, and the uplink reference signal resource and the downlink feedback resource have a corresponding relationship.

Optionally, when the uplink scheduling request indication information indicates that the network side device receives an uplink scheduling request, the downlink feedback includes at least timing advance information.

Optionally, when the uplink scheduling request indication information indicates that the network side device does not receive the uplink scheduling request, the downlink feedback includes the network side device receiving the receiving feedback of the uplink reference signal.

Optionally, when the network side device sends downlink feedback in a directional beam manner, and the terminal does not have the capability of supporting reciprocity of the uplink and downlink channels, the downlink feedback includes at least: transmit beam information of the terminal.

Optionally, as shown in FIG. 19, the apparatus further includes: a configuration unit 903, configured to configure a receive beam policy for the terminal according to the reciprocity feature of the network side device and the terminal.

Optionally, the manner in which the uplink scheduling request indication information indicates whether an uplink scheduling request is present includes a display indication or an implicit indication.

Optionally, the downlink feedback further includes: an uplink scheduling, or an uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource.

Optionally, the first receiving unit 901 is further configured to: when the network side device does not have the capability of supporting reciprocity of the uplink and downlink channels, receive uplink feedback at a location corresponding to the downlink feedback;

The first sending unit 902 is further configured to send uplink scheduling information.

Optionally, the first sending unit 902 is further configured to: when the network side device does not have the capability of supporting reciprocity of the uplink and downlink channels, send downlink feedback in a beam scanning manner on the downlink feedback resource.

Optionally, the first sending unit 902 is further configured to: when the network side device has support When the capability of the reciprocity of the uplink and downlink channels is enabled, the downlink feedback is sent in the beam scanning manner, and the first transmitting beam of the network side device is the network side device receiving the signal in the uplink reference signal. The transmit beam corresponding to the strongest receive beam.

Optionally, the first sending unit 902 is further configured to: when the downlink feedback includes the uplink scheduling resource indication information, send the uplink scheduling information on a resource indicated by the uplink scheduling resource indication information.

Optionally, the first sending unit 902 is further configured to send the uplink scheduling information in a subframe/slot after the downlink feedback is sent.

Optionally, the first receiving unit 901 is configured to receive uplink feedback on a resource corresponding to the downlink feedback, where the uplink feedback includes a transmit beam of the network side device;

The first sending unit 902 is further configured to send the uplink scheduling information by using a transmit beam of the network side device in the uplink feedback.

Optionally, the first receiving unit 901 is configured to receive uplink data on the resource indicated by the uplink scheduling.

For an understanding of the data transmitting apparatus provided by the embodiment of the present invention, reference may be made to the description of the foregoing embodiment of the data sending method, and details are not described herein again.

The data sending apparatus provided in the embodiment of the present invention can reduce resources used by the network side device for feedback, improve resource utilization, and can implement fast scheduling, and reduce delay of uplink data transmission.

Example ten

The embodiment of the present invention provides a data transmitting apparatus 100. As shown in FIG. 20, the apparatus includes: a second sending unit 1001, and a second receiving unit 1002, where

The second sending unit 1001 is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The second receiving unit 1002 is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

Optionally, when the terminal does not send uplink data, the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request; when the terminal has uplink data transmission, the uplink scheduling request indication information indicates that the terminal has Upstream scheduling request.

Optionally, the downlink feedback includes at least: timing advance information.

Optionally, when the terminal sends the uplink reference signal by using the directional beam, the second sending unit 1001 is configured to send the uplink reference signal in a beam scanning manner on the configured uplink reference signal resource.

The second receiving unit 1002 is configured to receive downlink feedback according to the configured receive beam policy on the downlink feedback resource corresponding to the uplink reference signal resource, where the terminal does not have the reciprocity of supporting the uplink and downlink channels. The downlink feedback includes at least: transmit beam information of the terminal, and the transmit beam information of the terminal is used to indicate a transmit beam of the terminal, when the terminal has the capability of supporting reciprocity of the uplink and downlink channels. And determining, according to a correspondence between the uplink reference signal resource and the downlink feedback resource, a transmit beam of the terminal.

Optionally, the downlink feedback further includes: uplink scheduling or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource.

Optionally, the second receiving unit 1002 is configured to: when the downlink feedback includes the uplink scheduling resource indication information, receive the uplink scheduling on the resource indicated by the uplink scheduling resource indication information.

Optionally, the second receiving unit 1002 is configured to receive an uplink scheduling on a subframe/time slot after the downlink feedback is sent.

Optionally, when the network side device does not have the capability of supporting the reciprocity of the uplink and downlink channels, the second sending unit 1001 is further configured to send uplink feedback;

The second receiving unit 1002 is configured to receive an uplink scheduling.

Optionally, the second sending unit 1001 is configured to send uplink feedback by using a transmit beam of the terminal configured by the network side device, where the uplink feedback carries transmit beam information of the network side device.

Optionally, the second receiving unit 1002 is further configured to receive an uplink scheduling on a subframe/time slot after the sending the uplink feedback.

Optionally, the second sending unit 1001 is further configured to send the uplink data according to an uplink scheduling.

Embodiment 11

An embodiment of the present invention provides a network side device 110. As shown in FIG. 21, the network side device includes: a receiver 1101 and a transmitter 1102, where

The receiver 1101 is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

The transmitter 1102 is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

Optionally, as shown in FIG. 22, the network side device further includes: a processor 1103 configured to The uplink reference signal resource and the downlink feedback resource are configured in advance, and a correspondence relationship exists between the uplink reference signal resource and the downlink feedback resource.

Optionally, as shown in FIG. 22, the apparatus further includes: a processor 1103, configured to configure a receive beam policy for the terminal according to the reciprocity feature of the network side device and the terminal.

Optionally, the uplink scheduling request indication information includes a display indication or an implicit indication.

Optionally, the receiver 1101 is further configured to: when the network side does not have reciprocity, receive uplink feedback at a location corresponding to the downlink feedback;

The transmitter 1102 is further configured to send uplink scheduling information.

Optionally, the transmitter 1102 is further configured to: when the network side does not have reciprocity, send downlink feedback in a beam scanning manner on the downlink feedback resource.

Optionally, the transmitter 1102 is further configured to: when the network side has reciprocity, send downlink feedback in a beam scanning manner on the downlink feedback resource, where the first transmit beam of the network side device is The network side device receives a transmit beam corresponding to a receive beam with the strongest signal strength in the uplink reference signal.

Optionally, the transmitter 1102 is further configured to: when the downlink feedback includes the uplink scheduling resource indication information, send the uplink scheduling information on a resource indicated by the uplink scheduling resource indication information.

Optionally, the transmitter 1102 is further configured to send the uplink scheduling information in a subframe/slot after the downlink feedback is sent.

Optionally, the receiver 1101 is configured to receive uplink feedback on a resource corresponding to the downlink feedback, where the uplink feedback includes a transmit beam of the network side device;

The transmitter 1102 is further configured to send the uplink scheduling information by using a transmit beam of the network side device in the uplink feedback.

Optionally, the receiver 1102 is configured to receive uplink data on the resource indicated by the uplink scheduling.

For an understanding of the network side device provided by the embodiment of the present invention, reference may be made to the description of the foregoing embodiment of the data transmission method, and details are not described herein again.

The network side device provided by the embodiment of the invention improves resource utilization, can also implement fast scheduling, and reduces delay of uplink data transmission.

Example twelve

The embodiment of the present invention provides a terminal 120. As shown in FIG. 23, the terminal includes: a transmitter 1201 and a receiver 1202, where

The transmitter 1201 is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The receiver 1202 is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.

Optionally, when the terminal sends the uplink reference signal by using the directional beam, the transmitter 1201 is configured to send the uplink reference signal by using a beam scanning manner on the configured uplink reference signal resource.

The receiver 1202 is configured to receive downlink feedback according to the configured receive beam policy on the downlink feedback resource corresponding to the uplink reference signal resource, where the downlink feedback is at least when the terminal does not have reciprocity And including: a transmit beam information of the terminal, where the transmit beam information of the terminal is used to indicate a transmit beam of the terminal, and when the terminal has reciprocity, according to the uplink reference signal resource and the downlink feedback resource The correspondence determines the transmit beam of the terminal.

Optionally, the receiver 1202 is configured to receive an uplink scheduling on the resource indicated by the uplink scheduling resource indication information when the downlink feedback includes uplink scheduling resource indication information.

Optionally, the receiver 1202 is configured to send the downlink feedback after

The uplink scheduling is received on the subframe/slot.

Optionally, when the network side does not have reciprocity, the transmitter 1201 is further configured to send uplink feedback.

The receiver 1202 is configured to receive an uplink schedule.

Optionally, the transmitter 1201 is configured to send uplink feedback by using a transmit beam of the terminal configured by the network side device, where the uplink feedback carries transmit beam information of the network side device.

Optionally, the receiver 1202 is further configured to receive an uplink scheduling on a subframe/time slot after the sending the uplink feedback.

Optionally, the transmitter 1201 is further configured to send the uplink data according to an uplink scheduling.

For an understanding of the terminal provided by the embodiment of the present invention, reference may be made to the description of the foregoing embodiment of the data transmission method, and details are not described herein again.

The embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used to execute at least one of a data transmission method applied to a terminal or a network side device. One.

The computer storage medium may be any type of storage medium, such as a storage medium such as a random storage medium, a read-only storage medium, a flash memory, a mobile hard disk, an optical disk, or a USB flash drive, and may be a non-transitory storage medium.

The terminal provided by the embodiment of the invention improves resource utilization, can also implement fast scheduling, and reduces the delay of uplink data transmission.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. The work specified in one or more blocks of a flow or a flow and/or a block diagram of a flowchart Able device.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Industrial applicability

In the embodiment of the present invention, the uplink scheduling information request indication information is sent by using the uplink reference signal, and the receiving end obtains the uplink scheduling request indication information while receiving the uplink reference signal, so that downlink feedback is sent, and the terminal may start based on the downlink feedback. The uplink data is sent to advance the transmission time of the uplink data, thereby reducing the transmission delay of the data. At the same time, the uplink scheduling information request indication information is sent by using the uplink reference signal, and a signal for two different purposes is realized. And/or the transmission of information improves the effective utilization of resources, so it has a positive industrial effect. The technical solution provided by the embodiment of the present invention can be realized through data interaction between the transmitting end and the receiving end, thereby having the characteristics of strong achievability and wide application in the industry.

Claims

A data transmitting method, the method comprising:

Receiving, by the uplink reference signal, an uplink reference signal, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

And transmitting downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource.
The method according to claim 1, wherein the uplink reference signal resource and the downlink feedback resource are pre-configured, and there is a correspondence between the uplink reference signal resource and the downlink feedback resource.
The method according to claim 1, wherein when the uplink scheduling request indication information indicates that the network side device receives an uplink scheduling request, the downlink feedback includes at least timing advance information.
The method according to claim 1, wherein when the uplink scheduling request indication information indicates that the network side device does not receive an uplink scheduling request, the downlink feedback includes the network side device receiving the uplink reference signal. Receive feedback.
The method according to claim 3, wherein when the network side device sends downlink feedback in a directional beam manner, and the terminal does not have reciprocity, the downlink feedback includes at least: transmit beam information of the terminal.
The method according to claim 5, wherein the method further comprises: configuring a receive beam policy for the terminal according to the reciprocity feature of the network side device and the terminal.
The method according to claim 3 or 4, wherein the uplink scheduling request indication information comprises a display indication or an implicit indication.
The method according to claim 3 or 5, wherein the downlink feedback further comprises: And the uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate the location of the uplink scheduling resource, and the uplink scheduling resource is used to send the time-frequency resource of the uplink scheduling information; The scheduling information is used to at least indicate a resource location for transmitting uplink data.
The method according to claim 5, wherein, when the network side does not have reciprocity, after the downlink feedback is sent on the downlink feedback resource corresponding to the uplink reference signal resource, the method further includes :

Receiving uplink feedback at a location corresponding to the downlink feedback, and transmitting uplink scheduling information based on the uplink feedback.
The method of claim 5, wherein the sending the downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource comprises:

When the network side does not have reciprocity, downlink feedback is sent in a beam scanning manner on the downlink feedback resource.
The method of claim 5, wherein the sending the downlink feedback on the downlink feedback resource corresponding to the uplink reference signal resource comprises:

When the network has reciprocity, the downlink feedback is sent by the first transmit beam of the network side device, and the first transmit beam of the network side device is the network side device receiving A transmit beam corresponding to a receive beam having the strongest signal strength in the uplink reference signal.
The method of claim 8 wherein the method further comprises:

When the downlink feedback includes the uplink scheduling resource indication information, the uplink scheduling information is sent on the resource indicated by the uplink scheduling resource indication information.
The method of claim 3 or 5, wherein the method further comprises:

The uplink scheduling information is sent in a subframe/slot after the downlink feedback is sent.
The method according to claim 9, wherein the receiving the uplink feedback at the location corresponding to the downlink feedback, and sending the uplink tone information based on the uplink feedback, includes:

Receiving uplink feedback on the resource corresponding to the downlink feedback, where the uplink feedback includes transmit beam information of the network side device;

And transmitting the uplink scheduling information by using a transmit beam that is sent by the transmit beam information in the uplink feedback.
The method of any of claims 8, 12, 13, or 14, wherein the method further comprises:

And receiving uplink data on the resource indicated by the uplink scheduling.
A data transmitting method, the method comprising:

Sending an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

And receiving downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.
The method according to claim 16, wherein when the terminal does not send uplink data, the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request; when the terminal has uplink data transmission, the uplink scheduling request The indication information indicates that the terminal has an uplink scheduling request.
The method of claim 17, wherein the uplink scheduling request indication information comprises a display indication or an implicit indication.
The method according to claim 17, wherein when the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request, the downlink feedback includes receiving feedback of the uplink reference signal.
The method according to claim 17, wherein when the uplink scheduling request indication information indicates that the terminal has an uplink scheduling request, the downlink feedback includes at least timing advance information.
The method according to claim 16, wherein when the terminal transmits the uplink reference signal by using the directional beam, the uplink reference signal is sent on the configured uplink reference signal resource, and the downlink feedback resource corresponding to the uplink reference signal resource is used. Receive downstream feedback, including:

The uplink reference signal is sent in a beam scanning manner on the configured uplink reference signal resource, and the downlink feedback resource is received on the downlink feedback resource corresponding to the uplink reference signal resource according to the configured receive beam policy, where the terminal does not When the reciprocity is available, the downlink feedback includes at least: transmit beam information of the terminal, where the transmit beam information of the terminal is used to indicate a transmit beam of the terminal, and when the terminal has reciprocity, according to the uplink The corresponding relationship between the reference signal resource and the downlink feedback resource determines a transmit beam of the terminal.
The method according to claim 20 or 21, wherein the downlink feedback further includes: uplink scheduling information or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource; An uplink scheduling resource, configured to send the uplink scheduling information, where the uplink scheduling information is used to indicate at least a resource location for sending uplink data.
The method according to claim 22, wherein the method further comprises: receiving uplink scheduling information on the resource indicated by the uplink scheduling resource indication information when the downlink feedback includes uplink scheduling resource indication information.
The method according to claim 20 or 21, wherein the method further comprises: receiving uplink scheduling information on a subframe/time slot after transmitting the downlink feedback.
The method according to claim 16 or 21, wherein when the network side device does not have the capability of supporting the reciprocity of the uplink and downlink channels, the downlink is received on the downlink feedback resource corresponding to the uplink reference signal resource. After the feedback, the method further includes:

Sending uplink feedback, and receiving uplink scheduling information based on the uplink feedback.
The method of claim 25, wherein the sending the uplink feedback comprises:

Sending uplink feedback by using a transmit beam of the terminal configured by the network side device, where the uplink reverse Transmitting the transmit beam information of the network side device.
The method of claim 26, wherein the receiving the uplink scheduling information comprises:

The uplink scheduling information is received on a subframe/time slot after the uplink feedback is sent.
The method of claim 22, 23, 24, or 27, wherein the method further comprises transmitting the uplink data according to an uplink schedule.
A data transmitting device, the device comprising: a first receiving unit, a first sending unit, wherein

The first receiving unit is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request. ;

The first sending unit is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.
The device according to claim 29, wherein the device further comprises: a configuration unit configured to pre-configure the uplink reference signal resource and the downlink feedback resource, the uplink reference signal resource and the downlink feedback resource There is a correspondence between them.
The device according to claim 29, wherein when the uplink scheduling request indication information indicates that the network side device receives an uplink scheduling request, the downlink feedback includes at least timing advance information.
The device according to claim 31, wherein when the network side device sends downlink feedback in a directional beam manner, and the terminal does not have reciprocity, the downlink feedback includes at least: transmit beam information of the terminal.
The apparatus according to claim 31 or 32, wherein the downlink feedback further comprises: uplink scheduling information, or uplink scheduling resource indication information, wherein the uplink scheduling resource indication The information is used to indicate the location of the uplink scheduling resource, and the uplink scheduling resource is used to send the uplink scheduling information. The uplink scheduling information is used to indicate at least a resource location for sending uplink data.
The device according to claim 32, wherein

The first receiving unit is further configured to: when the network side does not have reciprocity, receive uplink feedback at a location corresponding to the downlink feedback;

The first sending unit is further configured to send uplink scheduling information.
The device according to claim 32, wherein the first sending unit is further configured to: when the network side has reciprocity, send downlink feedback in a beam scanning manner on the downlink feedback resource, where the network The first transmit beam of the side device is that the network side device receives a transmit beam corresponding to the receive beam with the strongest signal strength in the uplink reference signal.
The apparatus according to claim 31 or 32, wherein the first sending unit is further configured to send the uplink scheduling information in a subframe/slot after the downlink feedback is sent.
A data transmitting device, the device comprising: a second sending unit, a second receiving unit, wherein

The second sending unit is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The second receiving unit is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.
The apparatus according to claim 37, wherein when the uplink scheduling request indication information indicates that the terminal has an uplink scheduling request, the downlink feedback includes at least: timing advance information.
The device according to claim 37, wherein when the terminal transmits the uplink reference signal in the directional beam, the second sending unit is configured to send the uplink reference signal in a beam scanning manner on the configured uplink reference signal resource;

The second receiving unit is configured to be in a reverse direction corresponding to the uplink reference signal resource The downlink feedback is received on the feed resource according to the configured receive beam policy. When the terminal does not have reciprocity, the downlink feedback includes at least: transmit beam information of the terminal, where the transmit beam information of the terminal is used to indicate the terminal. The transmit beam, when the terminal has reciprocity, determines a transmit beam of the terminal according to a correspondence between the uplink reference signal resource and the downlink feedback resource.
The device according to claim 38 or 39, wherein the downlink feedback further comprises: uplink scheduling or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource.
A network side device, where the network side device includes: a receiver and a transmitter, where

The receiver is configured to receive an uplink reference signal on the uplink reference signal resource, where the uplink reference signal carries an uplink scheduling request indication information, where the uplink scheduling request indication information is used to notify the network side device whether there is an uplink scheduling request;

The transmitter is configured to send downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.
The network side device according to claim 41, wherein the network side device further comprises: a processor configured to pre-configure the uplink reference signal resource and the downlink feedback resource, the uplink reference signal resource and the There is a correspondence between the downlink feedback resources.
The network side device according to claim 41, wherein when the uplink scheduling request indication information indicates that the network side device receives an uplink scheduling request, the downlink feedback includes at least timing advance information.
The network side device according to claim 43, wherein, when the network side device sends downlink feedback in a directional beam manner, and the terminal does not have reciprocity, the downlink feedback includes at least: transmit beam information of the terminal.
The network side device according to claim 44, wherein

The receiver is further configured to: when the network side does not have reciprocity, receive uplink feedback at a location corresponding to the downlink feedback;

The transmitter is further configured to send uplink scheduling information.
The network side device according to claim 44, wherein the transmitter is further configured to perform beam scanning on the downlink feedback resource when the network side device has the capability of supporting reciprocity of uplink and downlink channels. The method sends a downlink feedback, where the first transmit beam of the network side device is the transmit end beam corresponding to the receive beam with the strongest signal strength in the uplink reference signal.
A terminal, the terminal includes: a transmitter and a receiver, where

The transmitter is configured to send an uplink reference signal on the configured uplink reference signal resource, where the uplink reference signal carries uplink scheduling request indication information;

The receiver is configured to receive downlink feedback on a downlink feedback resource corresponding to the uplink reference signal resource.
The terminal according to claim 47, wherein when the uplink scheduling request indication information indicates that the terminal does not have an uplink scheduling request, the downlink feedback includes receiving feedback of the uplink reference signal; when the uplink scheduling request indication When the information indicates that the terminal has an uplink scheduling request, the downlink feedback includes at least: timing advance information.
The terminal according to claim 47, wherein the transmitter is configured to transmit the uplink reference signal in a beam scanning manner on the configured uplink reference signal resource when the terminal sends the uplink reference signal by using the directional beam;

The receiver is configured to receive downlink feedback according to the configured receive beam policy on the downlink feedback resource corresponding to the uplink reference signal resource, where the downlink feedback includes at least the reciprocity when the terminal does not have reciprocity a transmit beam information of the terminal, where the transmit beam information of the terminal is used to indicate a transmit beam of the terminal, and when the terminal has reciprocity, according to the Determining a correspondence between the uplink reference signal resource and the downlink feedback resource determines a transmit beam of the terminal.
The terminal according to claim 48 or 49, wherein the downlink feedback further includes: uplink scheduling or uplink scheduling resource indication information, where the uplink scheduling resource indication information is used to indicate a location of the uplink scheduling resource.
A computer storage medium having stored therein computer executable instructions for performing the data transmission method of any one of claims 1 to 15 or 16 to 25.