CN109314968B

CN109314968B - Resource allocation method, uplink transmission method, device, equipment and storage medium

Info

Publication number: CN109314968B
Application number: CN201880001341.7A
Authority: CN
Inventors: 牟勤
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2021-06-04
Anticipated expiration: 2038-09-13
Also published as: WO2020051823A1; CN109314968A

Abstract

A resource allocation method, an uplink transmission method, an apparatus, a device and a storage medium under an authorization-free uplink scheduling scene are provided. The method comprises the following steps: the access network equipment sends pre-configuration information to the terminal, wherein the pre-configuration information is used for providing n uplink transmission modes pre-configured according to n transmission conditions for the terminal, and n is an integer greater than 1; when the terminal has a requirement for sending target uplink data to the access network equipment, selecting a target uplink transmission mode which is consistent with the current transmission condition from the n uplink transmission modes; the terminal sends target uplink data to the access network equipment in a target uplink transmission mode; and the access network equipment performs data detection according to the ith uplink transmission mode in the n uplink transmission modes, wherein i is a positive integer less than or equal to n. In the embodiment of the disclosure, multiple uplink transmission modes are preconfigured for different transmission conditions, so that the transmission efficiency can be improved and network resources can be saved.

Description

Resource allocation method, uplink transmission method, device, equipment and storage medium

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a resource allocation method, an uplink transmission device, a resource allocation apparatus, and a storage medium in an unlicensed uplink scheduling scenario.

Background

With the rapid development of the technology of the internet of things, great convenience is provided for the daily production and life of people. Of these, MTC (Machine Type Communication) and NB-IoT (Narrow Band Internet of things) are typical representatives of cellular Internet of things technology.

In order to save signaling overhead, 3GPP Rel-16(3rd Generation Partnership Project Release-16, third Generation Partnership Project Release 16), proposes to introduce unlicensed uplink scheduling in MTC and NB-IoT, that is, a terminal does not need to perform a conventional procedure of random access and receiving uplink scheduling grant during uplink transmission, and can directly transmit on a resource pre-configured for the terminal by a base station according to a preset transmission mode. However, since the base station cannot know the size of the uplink data transmitted by the terminal and the channel quality, the base station configures a uniform transmission mode for all terminals in order to ensure smooth transmission.

By adopting the method, the transmission efficiency is low, and the network resource waste is easy to cause.

Disclosure of Invention

The embodiment of the disclosure provides a resource allocation method, an uplink transmission device, a device and a storage medium in an unlicensed uplink scheduling scene, which can solve the problems of low transmission efficiency and easy network resource waste in the related art. The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, a resource allocation method in an unlicensed uplink scheduling scenario is provided, where the method includes:

access network equipment sends preconfigured information to a terminal, where the preconfigured information is used to provide n uplink transmission modes preconfigured for n transmission conditions to the terminal, where the uplink transmission mode includes at least one of the number and time-frequency position of PRBs (Physical Resource blocks) occupied by uplink data, MCS (Modulation and Coding Scheme) level adopted by the uplink data, and the number of times of repeated transmission of the uplink data, and n is an integer greater than 1;

and the access network equipment performs data detection according to the ith uplink transmission mode in the n uplink transmission modes, wherein the data detection is used for detecting whether the terminal sends the uplink data to the access network equipment by adopting the ith uplink transmission mode, and i is a positive integer less than or equal to n.

Optionally, when the Transmission status includes TBS (Transmission Block Size), the uplink Transmission manner includes the number of PRBs occupied by the uplink data, time frequency position, and MCS level adopted by the uplink data.

Optionally, the n uplink transmission manners include m uplink transmission manners preconfigured for m different TBSs, where m is an integer less than or equal to n and greater than 1; wherein the content of the first and second substances,

pre-configuring the same number of PRBs and different MCS levels in the m uplink transmission modes;

alternatively, the first and second electrodes may be,

different numbers of PRBs and the same MCS levels are preconfigured in the m uplink transmission modes;

alternatively, the first and second electrodes may be,

different numbers of PRBs and different MCS levels are preconfigured in the m uplink transmission modes.

Optionally, in the n uplink transmission modes, the PRBs preconfigured in any two uplink transmission modes do not overlap with each other in the time domain and the frequency domain.

Optionally, in the n uplink transmission modes, there is an overlap of PRBs preconfigured in at least two uplink transmission modes in a time domain and/or a frequency domain.

Optionally, the uplink transmission mode further includes a number of times of retransmission of the uplink data, and the number of times of retransmission of the uplink data is in a positive correlation with the MCS level adopted by the uplink data.

Optionally, in the n uplink transmission modes, there is an overlap between PRBs preconfigured for repeated transmission in at least two uplink transmission modes in a time domain and/or a frequency domain.

Optionally, when the transmission condition includes channel quality, the uplink transmission mode includes a number of times of repeated transmission of the uplink data.

Optionally, when the transmission status includes TBS and channel quality, the uplink transmission mode includes the number and time-frequency position of PRBs occupied by the uplink data, the MCS level adopted by the uplink data, and the number of times of repeated transmission of the uplink data.

Optionally, in the p uplink transmission mode, p is an integer smaller than n and greater than 1; wherein the content of the first and second substances,

pre-configuring the same number of PRBs and different MCS levels in the p uplink transmission modes;

alternatively, the first and second electrodes may be,

different numbers of PRBs and the same MCS levels are preconfigured in the p uplink transmission modes;

alternatively, the first and second electrodes may be,

different numbers of PRBs and different MCS levels are preconfigured in the p uplink transmission modes.

Optionally, the PRBs preconfigured in the p uplink transmission modes overlap in a time domain and/or a frequency domain.

Optionally, the n uplink transmission manners include q uplink transmission manners preconfigured for q different channel qualities for the same TBS, where q is an integer smaller than n and greater than 1;

wherein, different repeated transmission times are preconfigured in the q uplink transmission modes.

Optionally, the PRBs preconfigured in the q uplink transmission modes overlap in a time domain and/or a frequency domain.

Optionally, in the n uplink transmission modes, there is an overlap of PRBs preconfigured in at least two uplink transmission modes in a time domain and/or a frequency domain;

wherein the at least two uplink transmission modes are a plurality of different uplink transmission modes pre-configured for different TBSs and different channel qualities.

Optionally, the preconfigured information includes indication information corresponding to each uplink transmission mode of the n uplink transmission modes.

Optionally, the preconfigured information includes indication information corresponding to a designated uplink transmission mode in the n uplink transmission modes, and other uplink transmission modes except the designated uplink transmission mode in the n uplink transmission modes are determined according to a preset rule and the designated uplink transmission mode;

wherein the designating the uplink transmission mode comprises: the method comprises the steps of pre-configuring an uplink transmission mode with the largest number of PRBs and/or pre-configuring an uplink transmission mode with the largest number of repeated transmission times.

According to a second aspect of the embodiments of the present disclosure, there is provided an uplink transmission method in an unlicensed uplink scheduling scenario, where the method includes:

a terminal receives preconfigured information sent by access network equipment, wherein the preconfigured information is used for providing n uplink transmission modes preconfigured for n transmission conditions for the terminal, the uplink transmission modes include at least one of the number and time frequency positions of PRBs occupied by uplink data, MCS levels adopted by the uplink data, and the number of repeated transmission times of the uplink data, and n is an integer greater than 1;

when the terminal has a requirement for sending target uplink data to the access network equipment, selecting a target uplink transmission mode which is consistent with the current transmission state from the n uplink transmission modes;

and the terminal sends the target uplink data to the access network equipment by adopting the target uplink transmission mode.

Optionally, when the transmission status includes a TBS, the uplink transmission mode includes the number and time-frequency position of PRBs occupied by the uplink data, and an MCS level adopted by the uplink data.

Optionally, the selecting a target uplink transmission mode that matches the current transmission status from the n uplink transmission modes includes:

and the terminal selects an uplink transmission mode with the TBS not less than and closest to the data volume of the target uplink data from the n uplink transmission modes according to the TBS corresponding to the n uplink transmission modes respectively, and determines the selected uplink transmission mode as the target uplink transmission mode.

the terminal acquires the current channel quality;

and the terminal selects an uplink transmission mode corresponding to the current channel quality from the n uplink transmission modes according to the current channel quality, and determines the selected uplink transmission mode as the target uplink transmission mode.

the terminal acquires the current channel quality;

and the terminal selects an uplink transmission mode corresponding to the current channel quality and having the TBS not less than and closest to the data volume of the target uplink data from the n uplink transmission modes according to the TBS corresponding to the current channel quality and the n uplink transmission modes respectively, and determines the selected uplink transmission mode as the target uplink transmission mode.

According to a third aspect of the embodiments of the present disclosure, there is provided a resource configuration apparatus in an unlicensed uplink scheduling scenario, where the apparatus is applied in an access network device, and the apparatus includes:

a sending module configured to send preconfigured information to a terminal, where the preconfigured information is used to provide n uplink transmission modes preconfigured for n transmission conditions to the terminal, where the uplink transmission modes include at least one of a number and a time-frequency position of PRBs occupied by uplink data, an MCS level adopted by the uplink data, and a number of repeated transmissions of the uplink data, and n is an integer greater than 1;

a processing module configured to perform data detection according to an ith uplink transmission mode of the n uplink transmission modes, where the data detection is used to detect whether the terminal sends the uplink data to the access network device in the ith uplink transmission mode, and i is a positive integer less than or equal to n.

alternatively, the first and second electrodes may be,

Optionally, the n uplink transmission modes include p uplink transmission modes preconfigured for p different TBSs for the same channel quality, where p is an integer smaller than n and greater than 1; wherein the content of the first and second substances,

alternatively, the first and second electrodes may be,

According to a fourth aspect of the embodiments of the present disclosure, an uplink transmission apparatus in an unlicensed uplink scheduling scenario is provided, where the apparatus is applied in a terminal, and the apparatus includes:

a receiving module, configured to receive preconfigured information sent by an access network device, where the preconfigured information is used to provide n uplink transmission modes preconfigured for n transmission conditions to the terminal, where the uplink transmission mode includes at least one of a number of PRBs occupied by uplink data and a time-frequency position, an MCS level adopted by the uplink data, and a number of times of repeated transmission of the uplink data, and n is an integer greater than 1;

a processing module configured to select a target uplink transmission mode that matches a current transmission state from the n uplink transmission modes when there is a need to send target uplink data to the access network device;

a sending module configured to send the target uplink data to the access network device by using the target uplink transmission mode.

Optionally, the processing module includes:

and the selecting sub-module is configured to select an uplink transmission mode with a TBS not smaller than and closest to the data size of the target uplink data from the n uplink transmission modes according to the TBSs corresponding to the n uplink transmission modes, and determine the selected uplink transmission mode as the target uplink transmission mode.

Optionally, the processing module includes:

an acquisition submodule configured to acquire a current channel quality;

and the selection submodule is configured to select an uplink transmission mode corresponding to the current channel quality from the n uplink transmission modes according to the current channel quality, and determine the selected uplink transmission mode as the target uplink transmission mode.

Optionally, the processing module includes:

an acquisition submodule configured to acquire a current channel quality;

and a selecting sub-module configured to select, according to the TBSs corresponding to the current channel quality and the n uplink transmission modes, an uplink transmission mode corresponding to the current channel quality and having a TBS not less than and closest to the target uplink data amount from the n uplink transmission modes, and determine the selected uplink transmission mode as the target uplink transmission mode.

According to a fifth aspect of the embodiments of the present disclosure, there is provided an access network device, including:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to:

sending preconfigured information to a terminal, where the preconfigured information is used to provide n uplink transmission modes preconfigured for n transmission conditions to the terminal, where the uplink transmission mode includes at least one of the number and time-frequency position of PRBs occupied by uplink data, MCS level adopted by the uplink data, and the number of times of repeated transmission of the uplink data, and n is an integer greater than 1;

and performing data detection according to the ith uplink transmission mode in the n uplink transmission modes, wherein the data detection is used for detecting whether the terminal sends the uplink data to the access network equipment by adopting the ith uplink transmission mode, and i is a positive integer less than or equal to n.

According to a sixth aspect of the embodiments of the present disclosure, there is provided a terminal, including:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to:

receiving pre-configuration information sent by access network equipment, wherein the pre-configuration information is used for providing n uplink transmission modes pre-configured for n transmission conditions for the terminal, the uplink transmission modes include at least one of the number and time frequency positions of PRBs occupied by uplink data, MCS levels adopted by the uplink data and the repeated transmission times of the uplink data, and n is an integer greater than 1;

when the requirement of sending target uplink data to the access network equipment is met, selecting a target uplink transmission mode which is consistent with the current transmission condition from the n uplink transmission modes;

and sending the target uplink data to the access network equipment by adopting the target uplink transmission mode.

According to a seventh aspect of embodiments of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method according to the first aspect or implements the steps of the method according to the second aspect.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the access network equipment pre-configures a plurality of uplink transmission modes aiming at different transmission conditions, and when the terminal has a requirement for sending uplink data to the access network equipment, the access network equipment selects the uplink transmission mode which is consistent with the current transmission condition from the plurality of uplink transmission modes to send the uplink data, so that excessive useless data is prevented from being filled or excessive useless retransmission is avoided, the transmission efficiency is improved, and network resources are saved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic diagram illustrating a network architecture in accordance with an exemplary embodiment;

fig. 2 is a flowchart illustrating a resource allocation method in an unlicensed uplink scheduling scenario according to an exemplary embodiment;

FIG. 3 illustrates a schematic diagram of a data detection method;

fig. 4 to 23 are schematic diagrams illustrating several preconfigured different uplink transmission modes;

fig. 24 is a block diagram illustrating a resource configuration apparatus in an unlicensed uplink scheduling scenario according to an exemplary embodiment;

fig. 25 is a block diagram of an uplink transmission apparatus in an unlicensed uplink scheduling scenario according to another exemplary embodiment;

FIG. 26 is a block diagram illustrating an access network device in accordance with an exemplary embodiment;

fig. 27 is a block diagram of a terminal according to an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Before describing and explaining embodiments of the present disclosure, relevant terms referred to in the present disclosure will be explained first.

1. Grant-free uplink scheduling

In a conventional uplink transmission mode, when a terminal has a requirement for uplink data transmission, the terminal first needs to send an uplink scheduling request to an access network device, and then the access network device sends an uplink scheduling grant to the terminal, and the terminal can perform uplink data transmission after receiving the uplink scheduling grant.

In the scene of the internet of things, the data volume transmitted each time is relatively small, and if the process is still adopted, the signaling overhead is large, so that the authorization-free uplink scheduling is introduced. When the terminal has the requirement of uplink data transmission, the terminal can immediately adopt the resources and the transmission mode pre-configured by the access network equipment to directly perform uplink transmission without sending an uplink scheduling request to the access network equipment and receiving uplink scheduling authorization sent by the access network equipment.

2、PRB

The PRB is a basic unit for resource scheduling of an LTE (Long Term Evolution) system. Each PRB may correspond to 12 consecutive subcarriers in the frequency domain (180 KHz in the case of a 15K carrier spacing), one slot in the time domain (i.e., half a subframe, 0.5 ms).

3. MCS level

There may be up to 32 MCSs, i.e., modulation and coding strategies. The higher the MCS level is, the higher the modulation order and coding efficiency that can be adopted in the corresponding data transmission are, that is, the higher the data transmission rate is. The correspondence between the partial MCS level and the TBS index is exemplarily shown as table-1 below. The correspondence of the partial TBS index, the number of PRBs, and the TBS is exemplarily shown as table-2 below. Wherein, I_TBSDenotes TBS index, N_PRBIndicating the number of PRBs. When the access network equipment determines the MCS level, the table can be looked up by-1 to obtain I_TBSAccording to I_TBSAnd configured N_PRBThe table lookup-2 determines the TBS supported. For example, when the MCS level is determined to be 1, I_MCSWhen the value is 1, looking up table-1 shows the corresponding I_TBSIs 1, further, if N is configured_PRBWhen 2, the TBS supported by table lookup-2 can be 56 bits.

TABLE-1

TABLE-2

4. Number of times of repeat transmission

When the uplink transmission coverage of the terminal is poor (for example, MTC and NB-IoT devices are usually deployed in a basement or other closed environment, and attenuation is severe in the signal transmission process, resulting in poor coverage effect), in order to meet the low cost requirement, the terminal may utilize a repetitive transmission technology to improve the uplink coverage of the terminal. The repeated transmission means that the same data information is repeatedly transmitted in a plurality of time units, thereby obtaining the time diversity gain. The time unit here may be one subframe or a plurality of subframes. In addition, when the channel quality is poor, the probability of successful decoding can be improved by increasing the number of repeated transmissions.

Fig. 1 is a schematic diagram illustrating a network architecture in accordance with an example embodiment. The network architecture may include: access network device 110 and terminal 120.

The access network device 110 is deployed in the access network 10. An Access Network in an LTE system may be referred to as a RAN (Radio Access Network). The access network device 110 and the terminal 120 communicate with each other via some air interface technology, for example, via cellular technology.

The access network device 110 may be a Base Station (BS), which is a device deployed in the access network to provide wireless communication functions for the terminal. The base stations may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems using different radio access technologies, the names of devices with base station functionality may differ, for example in LTE systems, called eNodeB or eNB. The name "base station" may change as communication technology evolves. For convenience of description, in the embodiments of the present disclosure, the above-mentioned apparatus for providing a wireless communication function for a terminal is collectively referred to as an access network device.

The number of terminals 120 is typically multiple, and one or more terminals 120 may be distributed within a cell managed by each access network device 110. The terminal 120 may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication capability, as well as various forms of Mobile Stations (MS), User Equipment (UE), terminal Equipment (terminal device), and so on. In an IoT scenario, the terminal 120 may be an electronic device (e.g., a device, a sensor, etc.) with a particular set of device attributes (e.g., cooling or heating functions, environmental monitoring or recording functions, lighting functions, sound emitting functions, etc.), which may be embedded in and/or controlled/monitored by a Central Processing Unit (CPU), microprocessor, Application Specific Integrated Circuit (ASIC), etc., and configured for connection to an IoT network. For example, IoT devices may include, but are not limited to: a refrigerator, a toaster, an oven, a microwave oven, a refrigerator, a dishwasher, a washing machine, a dryer, a stove, an air conditioner, a thermostat, a television, a light fixture, a dust collector, an electricity meter, a gas meter, etc., as long as the devices are equipped with a communication interface for communicating with the IoT network. For convenience of description, in the embodiments of the present disclosure, the above-mentioned devices are collectively referred to as a terminal.

The technical solution described in the embodiment of the present disclosure may be applicable to an LTE system, and may also be applicable to a subsequent evolution system of the LTE system, such as an LTE-a (LTE-Advanced) system or a 5G NR (New Radio, New air interface) system.

In the related art, since the access network device cannot know the size of the data amount and the channel quality of the uplink transmission of the terminal, a uniform transmission method is configured for all terminals, where the uniform transmission method may be to pre-configure PRB and MCS levels according to the maximum TBS that the access network device can support, or to pre-configure the number of repeated transmissions according to the worst channel quality. Although the data transmission can be normally carried out to the greatest extent, the transmission efficiency is low, and the waste of network resources is caused. For example, when the amount of data uplink transmitted by the terminal is less than the maximum TBS that can be supported by the access network device, the terminal needs to fill in additional useless data to make the amount of data uplink transmitted by the terminal equal to the maximum TBS that can be supported by the access network device, so as to perform normal data transmission. In addition, when the channel quality of the channel in which the terminal is located is good, if the number of retransmission times which are configured uniformly by the access network device and are preconfigured according to the worst channel quality is still adopted, the terminal needs to perform multiple extra useless retransmission times.

In the embodiment of the disclosure, the access network device pre-configures multiple uplink transmission modes for different transmission conditions, and when the terminal has a requirement for sending uplink data to the access network device, an uplink transmission mode that matches the current transmission condition is selected from the multiple uplink transmission modes to send the uplink data, thereby avoiding filling excessive useless data or performing excessive useless retransmission, thereby not only improving transmission efficiency, but also saving network resources.

It should be noted that the network architecture and the service scenario described in the embodiment of the present disclosure are for more clearly illustrating the technical solution of the embodiment of the present disclosure, and do not constitute a limitation to the technical solution provided in the embodiment of the present disclosure, and as the network architecture evolves and a new service scenario appears, a person having ordinary skill in the art may also find that the technical solution provided in the embodiment of the present disclosure is applicable to similar technical problems.

Fig. 2 is a flowchart illustrating a resource configuration method in an unlicensed uplink scheduling scenario according to an exemplary embodiment. The method can be applied to the network architecture shown in fig. 1. The method may include the steps of:

in step 201, the access network device sends preconfigured information to the terminal, where the preconfigured information is used to provide n uplink transmission modes preconfigured for n transmission conditions to the terminal, and n is an integer greater than 1.

The access network device may send the pre-configuration information to the terminal through higher layer signaling. Because the terminal has multiple transmission conditions in the transmission process, the access network device can pre-configure different uplink transmission modes according to different transmission conditions, so that the terminal can select a proper uplink transmission mode according to actual conditions when the terminal has uplink transmission requirements.

In addition, the access network device may also send the provisioning information to the terminal through a system message periodically sent in a broadcast form, and the terminal may actively read the system message to obtain the provisioning information sent by the access network device.

In embodiments of the present disclosure, the transmission condition may include the TBS, and/or the channel quality.

TBS is the size of a Transport Block, and a Transport Block (TB) is used as a basic unit for data transmission between an MAC (Media Access Control) layer and a physical layer, but the size of the TB is irregular and random, and the TBS is a standard for measuring the size of the TB, so that data to be transmitted can always find a suitable TBS. When the terminal has an uplink transmission requirement, a proper uplink transmission mode can be selected according to the TBS corresponding to the uplink data to be transmitted, so that the low efficiency and the network resource waste caused by excessive useless data filling are avoided.

The channel quality is used to indicate the quality of a channel occupied in uplink transmission. When the terminal has uplink transmission requirements, a proper uplink transmission mode can be selected according to the current channel quality, and low efficiency and network resource waste caused by repeated useless transmission for many times are avoided.

In this embodiment of the present disclosure, the uplink transmission mode may include at least one of the number and time-frequency position of PRBs occupied by uplink data, MCS level adopted by the uplink data, and the number of times of repeated transmission of the uplink data. The PRB occupied by the uplink data refers to the PRB occupied by the uplink data sent by the terminal to the access network equipment. The MCS level used for the uplink data refers to a Modulation and coding scheme used for the uplink data, where the Modulation scheme may include QPSK (Quadrature Phase Shift key), 16QAM (Quadrature Amplitude Modulation), 64QAM, and the like. The number of times of repeat transmission of the uplink data refers to the number of times of repeat transmission of the uplink data by the terminal, and different channel qualities can be configured with different numbers of times of repeat transmission. For example, in a fixed modulation and demodulation scheme, a larger number of retransmissions may be used when the channel quality is poor, and a smaller number of retransmissions may be used when the channel quality is good.

In a first possible implementation, when the transmission status includes the TBS, the uplink transmission mode may include the number and time-frequency position of PRBs occupied by the uplink data, and the MCS level adopted by the uplink data. The TBS is related to PRB and MCS levels, and the access network device may pre-configure different numbers of PRBs and different MCS levels for different TBSs. When the terminal has the uplink transmission requirement, the terminal can determine a suitable TBS according to the data volume of the uplink data to be transmitted, and then select the PRB and MCS levels corresponding to the TBS to transmit the uplink data, thereby avoiding the waste of network resources.

In a second possible implementation, when the transmission condition includes channel quality, the uplink transmission mode may include a number of repeated transmissions of uplink data. The number of repeated transmissions of the uplink data is related to the channel quality, and the access network device may pre-configure different numbers of repeated transmissions for different channel qualities. When the terminal has the uplink transmission requirement, the terminal can determine the suitable repeated transmission times according to the current channel quality, and the network resource waste caused by repeated useless repeated transmission is avoided.

In a third possible implementation, when the transmission status includes the TBS and the channel quality, the uplink transmission mode may include the number and time-frequency position of PRBs occupied by the uplink data, the MCS level adopted by the uplink data, and the number of repeated transmissions of the uplink data.

Optionally, the preconfigured information includes indication information corresponding to each uplink transmission mode of the n uplink transmission modes. The indication information corresponding to the uplink transmission scheme is a description of contents pre-configured in the uplink transmission scheme. As already described above, the uplink transmission mode may include at least one of the number and time-frequency position of PRBs occupied by uplink data, MCS level adopted by the uplink data, and the number of repeated transmissions of the uplink data, and accordingly, the indication information may include at least one of the following: the number and time-frequency location of PRBs, MCS levels, number of repeated transmissions. For example, when the access network device is preconfigured with 6 uplink transmission modes, the preconfigured information sent by the access network device to the terminal may include indication information corresponding to each of the 6 uplink transmission modes.

When a plurality of PRBs are pre-configured in a certain uplink transmission scheme, the indication information corresponding to the uplink transmission scheme may include a time-frequency position of each PRB. Optionally, if the plurality of preconfigured PRBs are continuous on the time-frequency resource, the indication information corresponding to the uplink transmission mode may include a time-frequency position of the first PRB, which is beneficial to saving signaling overhead of the preconfigured information.

In step 202, when the terminal has a requirement for sending target uplink data to the access network device, a target uplink transmission mode that matches the current transmission status is selected from the n uplink transmission modes.

The target uplink data refers to uplink data to be sent by the terminal. The current transmission state refers to a transmission state when the terminal has a requirement for sending target uplink data to the access network equipment. The current transmission condition may include the TBS corresponding to the target uplink data, and/or the current channel quality. The target uplink transmission scheme is an uplink transmission scheme selected by the terminal to be used when transmitting the target uplink data.

In a first possible implementation manner corresponding to step 201, when the transmission status includes a TBS, the terminal selects an uplink transmission scheme with a TBS not less than and closest to the data amount of the target uplink data from the n uplink transmission schemes according to the TBS corresponding to each of the n uplink transmission schemes, and determines the selected uplink transmission scheme as the target uplink transmission scheme. For example, the access network device may pre-configure different uplink transmission schemes for TBS ═ 40bit, TBS ═ 104bit, and TBS ═ 208bit, respectively. Assuming that the data size of the target uplink data is 200 bits, the terminal selects a TBS not smaller than and closest to 200 bits, that is, an uplink transmission scheme corresponding to TBS 208 bits, and sets the uplink transmission scheme corresponding to TBS 208 bits as the target uplink transmission scheme, in contrast to TBSs in different uplink transmission schemes.

In addition, when the data amount of the target uplink data is less than the TBS corresponding to the target uplink transmission mode, the terminal may fill preset data, which may be other useless data, in data bits that are not filled with the target uplink data in a bit filling (Padding bit) mode, where the preset data is filled at the end of the target uplink data, so that the target uplink data is equal to the TBS corresponding to the target uplink transmission mode, thereby performing normal data transmission.

In a second possible implementation manner corresponding to step 201, when the transmission condition includes a channel quality, the terminal obtains a current channel quality, and the current channel quality may be represented by at least one of the following parameters: RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), and RS-SINR (Signal to Interference Noise Ratio). Then, the terminal selects an uplink transmission mode corresponding to the current channel quality from the n uplink transmission modes according to the current channel quality, for example, if the channel quality is divided into 2 types, each type corresponds to a value range, when the terminal acquires the current channel quality, a value corresponding to the current channel quality is obtained, the 2 channel quality value ranges are referred, and the value is mapped to the range to which the value belongs, so that the uplink transmission mode corresponding to the current channel quality is determined. Further, the selected uplink transmission mode is determined as a target uplink transmission mode.

In a second possible implementation manner corresponding to step 201, when the transmission status includes a TBS and a channel quality, the terminal obtains the current channel quality, selects an uplink transmission manner corresponding to the current channel quality and having a TBS not less than and closest to the target uplink data amount from the n uplink transmission manners according to the current channel quality and the TBS corresponding to each of the n uplink transmission manners, and determines the selected uplink transmission manner as the target uplink transmission manner.

For example, the terminal may first select at least one uplink transmission method from the n uplink transmission methods, where the TBS is not less than and closest to the data amount of the target uplink data, then further select an uplink transmission method corresponding to the current channel quality from the at least one uplink transmission method, and determine the selected uplink transmission method as the target uplink transmission method.

For another example, the terminal may first select at least one uplink transmission scheme corresponding to the current channel quality from the n uplink transmission schemes, then further select an uplink transmission scheme with a TBS not less than and closest to the data amount of the target uplink data from the at least one uplink transmission scheme, and determine the selected uplink transmission scheme as the target uplink transmission scheme.

In step 203, the terminal sends the target uplink data to the access network device by using the target uplink transmission mode.

In the embodiment of the present disclosure, when the terminal has a requirement for sending the target uplink data to the access network device, the target uplink data may be sent directly by using the selected target uplink transmission mode.

In a first possible implementation manner corresponding to step 201, when the transmission status includes the TBS, after the terminal selects the target uplink transmission mode according to the data amount of the target uplink data, it may determine the PRB and MCS levels, then process the target uplink data by using the determined PRB and MCS levels, and then send the processed target uplink data to the access network device.

In a second possible implementation manner corresponding to step 201, when the transmission status includes channel quality, after selecting a target uplink transmission mode according to the current channel quality, the terminal may determine the number of times of repeated transmission, and then retransmit the target uplink data to the access network device according to the number of times of repeated transmission.

In a third possible implementation manner corresponding to step 201, when the transmission status includes TBS and channel quality, after the terminal selects the target uplink transmission mode according to the data amount of the target uplink data and the current channel quality, it may determine PRB, MCS level and the number of repeated transmissions, and then send the target uplink data to the access network device according to the determined content.

In step 204, the access network device performs data detection according to the ith uplink transmission mode of the n uplink transmission modes, where the data detection is used to detect whether the terminal sends uplink data to the access network device in the ith uplink transmission mode, and i is a positive integer less than or equal to n.

The access network device may perform data detection according to one or more uplink transmission modes of the n uplink transmission modes. The access network device does not know the uplink transmission mode in which the terminal will perform uplink transmission, so the access network device can sequentially traverse the n uplink transmission modes to perform data detection, and when detecting uplink data sent by the terminal to the access network device according to any one of the n uplink transmission modes, the access network device stops performing data detection.

The data detection may include: the data is subjected to operations such as de-rate matching, combining, demodulating, decoding and the like, wherein the combining can adopt hybrid Automatic Repeat Request (HARQ) combining, and the decoding can adopt Turbo decoding, so as to improve the success rate of data transmission and the accuracy rate of data decoding.

And the access network equipment performs data detection on the time frequency position of each PRB according to the uplink transmission mode configured on the PRB. For example, referring to fig. 3 in combination, the access network device preconfigured 3 uplink transmission modes, where the number of PRBs preconfigured in each of the 3 uplink transmission modes is 1. In the first uplink transmission scheme, the MCS level is configured as MCS1, and the supported TBS is 24 bits; in the second uplink transmission scheme, the MCS level is configured as MCS 4, and the supported TBS is 56 bits; in the third uplink transmission scheme, the MCS level is configured to be MCS 8, and the supported TBS is 120 bits. When the access network equipment performs data detection, the received data is demodulated by using the MCS levels configured in the 3 uplink transmission modes, namely MCS1, MCS 4 and MCS 8, on 3 different PRBs, and then operations such as decoding are performed.

To sum up, in the technical scheme provided by the embodiment of the present disclosure, the access network device pre-configures multiple uplink transmission modes for different transmission conditions, and when the terminal has a requirement for sending uplink data to the access network device, selects an uplink transmission mode that matches the current transmission condition from the multiple uplink transmission modes to send the uplink data, thereby avoiding filling excessive useless data or performing excessive useless retransmission, not only improving transmission efficiency, but also saving network resources.

The following describes the technical solution of the present disclosure with a transmission status including TBS, an uplink transmission scheme including the number of PRBs occupied by uplink data and time-frequency positions, and an MCS level adopted by uplink data.

In this case, the n uplink transmission manners preconfigured by the access network device may include m uplink transmission manners preconfigured for m different TBSs, where m is an integer less than or equal to n and greater than 1.

For example, the access network device pre-configures 3 uplink transmission schemes, each uplink transmission scheme corresponds to a different TBS, and the TBS may be 56 bits, 120 bits, and 256 bits, respectively.

Since the size of the TBS is related to the number of PRBs and MCS level, the access network device may pre-configure a plurality of uplink transmission schemes corresponding to different TBSs in the following 3 schemes.

1. The same number of PRBs and different MCS levels are preconfigured in the m uplink transmission modes.

For example, referring to fig. 4 in combination, the access network device preconfigured 3 uplink transmission modes, where the number of PRBs preconfigured in each of the 3 uplink transmission modes is 2. In the first uplink transmission mode, in order to support transmission with TBS of 56 bits, the MCS level configured by the access network equipment is MCS 1; in the second uplink transmission mode, in order to support TBS 120-bit transmission, the MCS level configured by the access network equipment is MCS 4; in the third uplink transmission scheme, the access network equipment configures MCS level MCS 8 to support TBS 256-bit transmission.

2. Different numbers of PRBs and the same MCS levels are preconfigured in the m uplink transmission modes.

Illustratively, referring to fig. 5 in combination, the access network device pre-configures 3 uplink transmission modes, and the MCS levels pre-configured in the 3 uplink transmission modes are all MCS 3. In the first uplink transmission scheme, in order to support transmission with TBS ═ 40bit, the access network device configures 1 PRB; in the second uplink transmission mode, in order to support transmission with TBS of 104 bits, the access network device configures 2 PRBs; in the third uplink transmission scheme, in order to support transmission with TBS of 208 bits, the access network device configures 4 PRBs.

3. Different numbers of PRBs and different MCS levels are preconfigured in the m uplink transmission modes.

Exemplarily, referring to fig. 6 in combination, the access network device pre-configures 3 uplink transmission modes, in the first uplink transmission mode, in order to support transmission with TBS ═ 40bit, the MCS level configured by the access network device is MCS 3, and the number of PRBs is 1; in the second uplink transmission mode, in order to support transmission with TBS being 104 bits, the MCS level configured by the access network equipment is MCS 3, and the number of PRBs is 2; in the third uplink transmission scheme, in order to support transmission with TBS of 256 bits, the access network equipment configures MCS level as MCS 8 and the number of PRBs is 2.

Optionally, in the n uplink transmission modes, the PRBs preconfigured in any two uplink transmission modes do not overlap with each other in the time domain and the frequency domain. For example, in the preconfigured schemes shown in fig. 4 to fig. 6, among 3 uplink transmission schemes preconfigured in each scheme, resources occupied by PRBs preconfigured in any two uplink transmission schemes in the time domain and the frequency domain may be completely independent and do not overlap with each other.

Optionally, in the n uplink transmission modes, there is an overlap of PRBs preconfigured in at least two uplink transmission modes in the time domain and/or the frequency domain, including but not limited to any one of the following cases:

1. the PRBs preconfigured in at least two uplink transmission modes are overlapped on a time domain and a frequency domain.

Exemplarily, referring to fig. 7 in combination, the abscissa represents time domain resources and the ordinate represents frequency domain resources. The access network equipment pre-configures 3 uplink transmission modes, and the number of pre-configured PRBs in the 3 uplink transmission modes is 2. In the first uplink transmission mode, in order to support transmission with TBS of 56 bits, the MCS level configured by the access network equipment is MCS 1; in the second uplink transmission mode, in order to support TBS 120-bit transmission, the MCS level configured by the access network equipment is MCS 4; in the third uplink transmission scheme, the access network equipment configures MCS level MCS 8 to support TBS 256-bit transmission. The 2 PRBs preconfigured in the 3 uplink transmission modes may occupy the same time domain resource and frequency domain resource. In fig. 7, PRBs pre-configured in the 3 uplink transmission schemes are shown in a partially overlapping manner only for illustrating the multiple uplink transmission schemes.

2. The PRBs preconfigured in at least two uplink transmission modes are overlapped in the time domain, and are not overlapped in the frequency domain.

For example, referring to fig. 8 in combination, the access network device preconfigured 3 uplink transmission modes, where the number of PRBs preconfigured in each of the 3 uplink transmission modes is 2. The TBS and MCS level corresponding to each uplink transmission scheme is the same as that in the example of fig. 7, and are not described again here. As can be seen from fig. 8, the 2 PRBs preconfigured in the 3 uplink transmission modes may occupy the same time domain resource but occupy different frequency domain resources.

3. The PRBs preconfigured in at least two uplink transmission modes are overlapped on a frequency domain, and are not overlapped on a time domain.

For example, referring to fig. 9 in combination, the access network device pre-configures 3 uplink transmission modes, where MCS levels pre-configured in the 3 uplink transmission modes are all MCS 3. In the first uplink transmission scheme, in order to support transmission with TBS ═ 40bit, the access network device configures 1 PRB; in the second uplink transmission mode, in order to support transmission with TBS of 104 bits, the access network device configures 2 PRBs; in the third uplink transmission scheme, in order to support transmission with TBS of 208 bits, the access network device configures 4 PRBs. As can be seen from fig. 9, the PRBs preconfigured in the 3 uplink transmission modes occupy different time domain resources, and there is no overlap in the time domain resources, while there is partial overlap in the frequency domain resources occupied by the 3 uplink transmission modes.

It should be noted that the "overlap" described herein may be a complete overlap or a partial overlap. The two uplink transmission modes are configured with the same number of PRBs and occupy the same time domain resource. The PRBs pre-configured in the two uplink transmission modes are all overlapped on the frequency domain resource, which means that the same number of PRBs are pre-configured in the two uplink transmission modes and occupy the completely same frequency domain resource. The PRBs preconfigured in the two uplink transmission modes are partially overlapped on the time domain resources, which means that the same or different number of PRBs are preconfigured in the two uplink transmission modes and occupy partially the same time domain resources. The PRBs preconfigured in the two uplink transmission modes are partially overlapped on the frequency domain resources, which means that the same or different number of PRBs are preconfigured in the two uplink transmission modes and occupy partially the same frequency domain resources.

In addition, the uplink transmission method may further include the number of times of retransmission of the uplink data, and the number of times of retransmission of the uplink data has a positive correlation with the MCS level used for the uplink data. Under the same channel quality, in order to support a larger TBS, the MCS level may be increased, that is, a higher order modulation scheme and a higher code rate are used to transmit uplink data. However, this also increases the probability of errors occurring in uplink data transmission, and therefore, in order to ensure the correct rate of transmission, the number of repeated transmissions is correspondingly increased.

For example, referring to fig. 10 in combination, the access network device preconfigured 3 uplink transmission modes, where the number of PRBs preconfigured in each of the 3 uplink transmission modes is 2. In the first uplink transmission mode, in order to support transmission with TBS of 56 bits, the MCS level configured by the access network equipment is MCS1, and the number of repeated transmissions is 4; in the second uplink transmission mode, in order to support TBS 120-bit transmission, the MCS level configured by the access network equipment is MCS 4, and the number of repeated transmissions is 8; in the third uplink transmission scheme, in order to support transmission with TBS of 256 bits, the access network equipment configures MCS level as MCS 8 and the number of repeated transmissions is 16. It can be seen that as the MCS level increases, the corresponding number of repeated transmissions also increases.

For example, referring to fig. 11 in combination, the access network device pre-configures 3 uplink transmission modes, where MCS levels pre-configured in the 3 uplink transmission modes are all MCS 3. In the first uplink transmission scheme, in order to support transmission with TBS ═ 40bit, the access network device configures 1 PRB; in the second uplink transmission mode, in order to support transmission with TBS of 104 bits, the access network device configures 2 PRBs; in the third uplink transmission scheme, in order to support transmission with TBS of 208 bits, the access network device configures 4 PRBs. Since the MCS levels preconfigured in the 3-up transmission scheme are all MCS 3, the corresponding number of repeated transmissions is the same, and is all 4.

Exemplarily, referring to fig. 12 in combination, the access network device pre-configures 3 uplink transmission modes, in the first uplink transmission mode, in order to support transmission with TBS being 40 bits, the MCS level configured by the access network device is MCS 3, the number of PRBs is 1, and the number of repeated transmissions is 4; in the second uplink transmission mode, in order to support transmission with TBS being 104 bits, the MCS level configured by the access network equipment is MCS 3, and the number of PRBs is 2, and accordingly the number of repeated transmission times is 4; in the third uplink transmission scheme, in order to support transmission with TBS of 256 bits, the access network equipment configures MCS level as MCS 8, and the number of PRBs is 2, and the number of repeated transmissions is 16.

Optionally, for a case where there is a duplicate transmission, in the n uplink transmission modes, there is an overlap in a time domain and/or a frequency domain of PRBs preconfigured for the duplicate transmission in at least two uplink transmission modes.

If the number of times of repeat transmission preconfigured in the at least two uplink transmission modes is the same, the PRBs preconfigured for repeat transmission in the at least two uplink transmission modes may completely overlap in the time domain, or may partially overlap. In addition, the PRBs pre-configured for repeated transmission in the at least two uplink transmission schemes may or may not overlap in the frequency domain. For example, corresponding to 3 uplink transmission schemes shown in fig. 11, the number of repeated transmissions is 4, and PRBs pre-configured in the 3 uplink transmission schemes may be all overlapped in the time domain and partially overlapped in the frequency domain, as shown in fig. 14.

If the number of times of repeated transmission preconfigured in the at least two uplink transmission modes is different, the PRBs preconfigured for repeated transmission in the at least two uplink transmission modes may partially overlap in the time domain. In addition, the PRBs pre-configured for repeated transmission in the at least two uplink transmission schemes may or may not overlap in the frequency domain. For example, corresponding to the 3 uplink transmission schemes shown in fig. 10, the number of times of repeated transmission is 4, 8, and 16, respectively, and PRBs pre-configured in the 3 uplink transmission schemes may partially overlap in the time domain and completely overlap in the frequency domain, as shown in fig. 13.

Because some PRBs are configured with multiple uplink transmission modes, the access network device needs to perform multiple data detections on some PRBs. Exemplarily, referring to fig. 13 in combination, the access network device pre-configures 3 uplink transmission modes, where the number of PRBs is fixed to 2, and the PRBs in the 3 uplink transmission modes occupy the same frequency domain resource. In addition, for

channel quality

1, 16 subframes are preconfigured for repeated transmission in total, wherein 4 subframes can be used for transmission TBS of 56 bits, 8 subframes can be used for transmission TBS of 120 bits, and 16 subframes can be used for transmission TBS of 256 bits. When the access network device performs data detection, it needs to sequentially and respectively combine the first 4, 8 and 16 subframes, correspondingly, demodulate the received data with MCS1, MCS 4 and MCS 8, and then perform operations such as decoding. If the access network equipment successfully decodes the correct target uplink data in the uplink transmission mode corresponding to the MCS 4, it is determined that the terminal transmits the uplink data to the access network equipment by using the uplink transmission mode corresponding to the MCS 4, and then data detection does not need to be performed at the time frequency position of the uplink transmission mode corresponding to the MCS 8.

In addition, as already described in the embodiment of fig. 2, the preconfigured information may include indication information corresponding to each of the n uplink transmission manners. In some other embodiments, the preconfigured information may also include indication information corresponding to a specified uplink transmission mode among the n uplink transmission modes; wherein, appointing the uplink transmission mode comprises: an uplink transmission scheme with the largest number of PRBs is pre-configured. In the n uplink transmission modes, other uplink transmission modes except the designated uplink transmission mode are determined according to a preset rule and the designated uplink transmission mode. For example, the terminal may calculate the number of PRBs according to the current transmission status according to the ratio of the TBS in the current transmission status to the maximum TBS in the n uplink transmission modes, and determine the time-frequency position of the selected PRB according to a preset rule.

For example, referring to fig. 14 in combination, the access network device preconfigures 3 uplink transmission modes, and the preconfiguration information may include indication information corresponding to an uplink transmission mode in which the maximum number of PRBs is preconfigured, that is, an uplink transmission mode in which the number of PRBs is 4. At this time, the maximum TBS supported by the preconfigured uplink transmission scheme is 208 bits. When the selected TBS is 104bit, which is 1/2 of the maximum TBS at this time, according to the data size of the target uplink data, the number of corresponding PRBs is also reduced to 1/2 of the maximum number of PRBs, that is, the number of PRBs is 2. In addition, the terminal may determine the time-frequency positions of the selected 2 PRBs according to the time-frequency-domain positions of the 4 PRBs and a preset rule, for example, select the first 2 PRBs in the 4 PRBs.

In addition, the predetermined rule may be pre-configured and synchronized between the access network device and the terminal. For example, the preset rule may be sent to the terminal by the access network device, or pre-configured by a protocol.

In the embodiment of the present disclosure, specific values of the number of PRBs, MCS levels, and the number of repeated transmissions preconfigured in each uplink transmission mode are not specifically limited, and may be configured reasonably according to actual service requirements.

To sum up, in the technical solution provided in the embodiment of the present disclosure, when the transmission status includes a TBS, the access network device pre-configures multiple uplink transmission modes for different TBSs, where the uplink transmission modes may include the number of PRBs occupied by uplink data, time frequency positions, and MCS levels adopted by the uplink data. The terminal selects the uplink transmission mode corresponding to the current uplink transmission data amount to send the uplink data according to the current uplink transmission data amount, so that excessive filling of useless data is avoided, the transmission efficiency is improved, and network resources are saved.

The following describes the technical solution of the present disclosure in terms of transmission conditions including channel quality, and uplink transmission modes including the number of times of repeated transmission of uplink data.

The access network device may pre-configure different numbers of retransmissions for different channel qualities. Optionally, when the channel quality is poor, the access network device may pre-configure a greater number of times of repeated transmission to ensure a success rate of transmission; when the channel quality is good, the access network device can pre-configure a small number of repeated transmission times, and avoid making excessive useless retransmission.

Exemplarily, referring to fig. 15 in combination, it shows 2 uplink transmission modes preconfigured when TBS is 56 bits under channel quality 1 and channel quality 2. In the 2 uplink transmission schemes, the MCS levels are MCS1, and the number of PRBs is 2. In order to support TBS transmission at two channel qualities, two different retransmission times are preconfigured, respectively, the retransmission time is 4 times in the first uplink transmission mode, and the retransmission time is 32 times in the second uplink transmission mode.

In addition, as already described in the embodiment of fig. 2, the preconfigured information may include indication information corresponding to each of the n uplink transmission manners. In some other embodiments, the preconfigured information may also include indication information corresponding to a specified uplink transmission mode among the n uplink transmission modes; wherein, appointing the uplink transmission mode comprises: the uplink transmission mode with the largest number of repeated transmission times is preset. In the n uplink transmission modes, other uplink transmission modes except the designated uplink transmission mode are determined according to a preset rule and the designated uplink transmission mode. For example, the terminal may calculate the number of repeated transmissions according to the current channel quality according to the difference between the current channel quality and the channel quality corresponding to the specified uplink transmission method.

For example, assuming that the maximum number of repeated transmissions in several preconfigured uplink transmission modes is 32, when the terminal detects that the current channel quality is better than the channel quality corresponding to the uplink transmission mode with the number of repeated transmissions being 32, the number of repeated transmissions may be appropriately reduced, for example, 4 times may be selected.

In the embodiment of the present disclosure, specific values of the number of repeated transmissions preconfigured in each uplink transmission mode are not specifically limited, and may be configured reasonably according to actual service requirements.

To sum up, in the technical solution provided in the embodiment of the present disclosure, under the condition that the transmission status includes the channel quality, the access network device pre-configures multiple uplink transmission modes including different numbers of repeated transmissions, so that the terminal selects an uplink transmission mode according to the current channel quality to send uplink data, thereby avoiding performing excessive unnecessary retransmissions, not only improving the transmission efficiency, but also saving network resources.

The following describes a technical solution of the present disclosure with a transmission status including TBS and channel quality, and an uplink transmission method including the number and time-frequency position of PRBs occupied by uplink data, MCS level adopted by the uplink data, and the number of times of repeated transmission of the uplink data.

For the same channel quality, the access network device may pre-configure a plurality of different uplink transmission modes for different TBSs. The n uplink transmission modes preconfigured by the access network equipment comprise p uplink transmission modes preconfigured for p different TBSs for the same channel quality, wherein p is an integer smaller than n and larger than 1. The method comprises the steps that the same number of PRBs and different MCS levels are preconfigured in p uplink transmission modes; or different numbers of PRBs and the same MCS levels are preconfigured in the p uplink transmission modes; or different numbers of PRBs and different MCS levels are preconfigured in the p uplink transmission modes. In addition, for different uplink transmission modes preconfigured for different TBSs under the same channel quality, the access network device may also preconfigured a corresponding number of repeated transmissions according to the MCS level preconfigured in each uplink transmission mode, and the number of repeated transmissions and the MCS level are in a positive correlation.

For the same TBS, the access network device may also pre-configure a plurality of different uplink transmission modes for different channel qualities. N uplink transmission modes preconfigured by the access network equipment comprise q uplink transmission modes preconfigured aiming at q different channel qualities for the same TBS, wherein q is an integer smaller than n and larger than 1; wherein, different repeated transmission times are preconfigured in the q uplink transmission modes.

In fig. 16 to 22, a plurality of uplink transmission schemes pre-configured by the access network device will be described by taking the example that the channel quality includes 2 types and the TBS includes 3 types.

As shown in fig. 16, for channel quality 1, the access network device pre-configures 3 different uplink transmission modes for 3 different TBSs, and pre-configures the same number of PRBs and different MCS levels in the 3 uplink transmission modes. Similarly, for channel quality 2, the access network device pre-configures 3 different uplink transmission modes for the 3 different TBSs, and pre-configures the same number of PRBs and different MCS levels in the 3 uplink transmission modes.

As shown in fig. 17, for channel quality 1, the access network device pre-configures 3 different uplink transmission modes for 3 different TBSs, and pre-configures the same MCS level and different numbers of PRBs in the 3 uplink transmission modes. Similarly, for channel quality 2, the access network device pre-configures 3 different uplink transmission modes for the 3 different TBSs, and pre-configures the same MCS level and different numbers of PRBs in the 3 uplink transmission modes.

As shown in fig. 18, for channel quality 1, the access network device pre-configures 3 different uplink transmission modes for 3 different TBSs, and pre-configures different MCS levels and different numbers of PRBs in the 3 uplink transmission modes. Similarly, for channel quality 2, the access network device pre-configures 3 different uplink transmission modes for the 3 different TBSs, and pre-configures different MCS levels and different numbers of PRBs in the 3 uplink transmission modes.

Optionally, for different TBSs and different channel qualities, time-frequency resources occupied by PRBs may overlap in multiple different uplink transmission modes preconfigured by the access network device.

In a possible implementation manner, for multiple different uplink transmission modes configured for different TBSs under the same channel quality, time-frequency resources occupied by PRBs overlap. For example, for the same channel quality, p uplink transmission modes are preconfigured for p different TBSs, and PRBs preconfigured in the p uplink transmission modes overlap in a time domain and/or a frequency domain.

As shown in fig. 19, the access network device is preconfigured with 6 different uplink transmission manners, and the detailed configuration manner is the same as that in fig. 16, which is not described again here. The PRBs preconfigured in the 3 uplink transmission modes under the channel quality of 1 are completely overlapped in a frequency domain and partially overlapped in a time domain; similarly, PRBs pre-configured in 3 uplink transmission modes with channel quality 2 completely overlap in the frequency domain and partially overlap in the time domain.

As shown in fig. 20, the access network device is preconfigured with 6 different uplink transmission manners, and the detailed configuration manner is the same as that in fig. 17, which is not described again here. The PRBs preconfigured in the 3 uplink transmission modes under the channel quality of 1 are partially overlapped on a frequency domain and completely overlapped on a time domain; similarly, PRBs pre-configured in 3 uplink transmission modes with channel quality 2 partially overlap in the frequency domain and completely overlap in the time domain.

As shown in fig. 21, the access network device is preconfigured with 6 different uplink transmission manners, and the detailed configuration manner is the same as that in fig. 18, which is not described again here. The PRBs preconfigured in the 3 uplink transmission modes under the channel quality 1 are overlapped in both the frequency domain and the time domain, and the PRBs preconfigured in the 3 uplink transmission modes under the channel quality 2 are also overlapped in both the frequency domain and the time domain.

In another possible implementation, for multiple different uplink transmission modes configured for different channel qualities in the same TBS, time-frequency resources occupied by PRBs overlap. For example, for the same TBS, q uplink transmission schemes pre-configured for q different channel qualities are provided, where pre-configured PRBs in the q uplink transmission schemes overlap in the time domain and/or the frequency domain.

For example, as shown in fig. 22, the access network device is preconfigured with 6 different uplink transmission manners, and the detailed configuration manner is the same as that in fig. 16, which is not described herein again. The PRBs preconfigured in the two uplink transmission modes corresponding to the TBS (transport block size) 56bit are completely overlapped in a frequency domain and partially overlapped in a time domain; PRBs (physical resource blocks) pre-configured in two uplink transmission modes corresponding to a TBS (transport block size) of 120 bits are completely overlapped on a frequency domain and partially overlapped on a time domain; the PRBs pre-configured in two uplink transmission modes corresponding to TBS 256 bits are completely overlapped in the frequency domain and partially overlapped in the time domain.

In another possible embodiment, in n uplink transmission modes preconfigured by the access network device, there is an overlap of PRBs preconfigured in at least two uplink transmission modes in a time domain and/or a frequency domain; wherein the at least two uplink transmission modes are a plurality of different uplink transmission modes pre-configured for different TBSs and different channel qualities.

For example, as shown in fig. 23, the access network device is preconfigured with 6 different uplink transmission manners, and the detailed configuration manner is the same as that in fig. 16, which is not described herein again. Since the number of PRBs preconfigured in the 6 uplink transmission modes is 2, the PRBs preconfigured in the 6 uplink transmission modes may completely overlap in the frequency domain; in addition, since the number of repeated transmissions preconfigured in the 6 uplink transmission schemes is different, the PRBs preconfigured in the 6 uplink transmission schemes may partially overlap in the time domain.

To sum up, in the technical solution provided in the embodiment of the present disclosure, multiple uplink transmission modes are correspondingly configured for different TBSs and different channel qualities, where the uplink transmission modes include the number and time-frequency positions of PRBs occupied by uplink data, MCS levels adopted by the uplink data, and the number of times of repeated transmission of the uplink data, so that a terminal selects an uplink transmission mode corresponding to the uplink transmission mode to transmit the uplink data, thereby avoiding filling excessive useless data or performing excessive useless retransmission, not only improving transmission efficiency, but also saving network resources.

In addition, PRBs pre-configured in various different uplink transmission modes are overlapped on a time domain and/or a frequency domain, and partial physical resources are shared, so that the purpose of reducing the amount of reserved resources can be achieved.

In the above embodiment, when the transmission status includes TBS, the uplink transmission scheme is pre-configured with two contents, namely, PRB and MCS levels. In some other embodiments, when the transmission condition includes the TBS, only any one of the PRB and MCS levels may be preconfigured in the uplink transmission mode, and the other content may be configured in a default configuration or other manners, which is not limited by the embodiment of the present disclosure.

It should be further noted that, in the foregoing method embodiment, the technical solution of the present disclosure is described and explained only from the perspective of interaction between the access network device and the terminal. The above steps related to the access network device can be separately implemented to become a resource allocation method in an unlicensed uplink scheduling scenario at one side of the access network device. The above steps related to the terminal can be independently implemented to become the uplink transmission method in the unlicensed uplink scheduling scenario at the terminal side.

The following are embodiments of the disclosed apparatus that may be used to perform embodiments of the disclosed methods. For details not disclosed in the embodiments of the apparatus of the present disclosure, refer to the embodiments of the method of the present disclosure.

Fig. 24 is a block diagram illustrating a resource configuration apparatus in an unlicensed uplink scheduling scenario according to an exemplary embodiment. The device has the function of realizing the method example of the access network equipment side, and the function can be realized by hardware or by executing corresponding software by hardware. The apparatus may be the access network device described above, or may be provided in the access network device. The apparatus may include: a sending module 2401 and a processing module 2402.

A sending module 2401, configured to send preconfigured information to a terminal, where the preconfigured information is used to provide n uplink transmission manners preconfigured for n transmission conditions to the terminal, where the uplink transmission manners include at least one of a number of PRBs occupied by uplink data and a time-frequency position, an MCS level adopted by the uplink data, and a number of repeated transmissions of the uplink data, and n is an integer greater than 1.

A processing module 2402, configured to perform data detection according to an ith uplink transmission mode of the n uplink transmission modes, where the data detection is used to detect whether the terminal sends the uplink data to the access network device by using the ith uplink transmission mode, and i is a positive integer less than or equal to n.

In an optional embodiment provided based on the embodiment of fig. 24, when the transmission status includes a TBS, the uplink transmission mode includes the number and time-frequency position of PRBs occupied by the uplink data, and the MCS level adopted by the uplink data.

alternatively, the first and second electrodes may be,

Optionally, in the n uplink transmission modes, there is an overlap between PRBs preconfigured for repeated transmission in at least two uplink transmission modes in a time domain and/or a frequency domain. In another optional embodiment provided based on the embodiment of fig. 24 or any one of the optional embodiments described above, when the transmission condition includes channel quality, the uplink transmission mode includes a number of times of repeated transmission of the uplink data.

In another optional embodiment provided based on the embodiment of fig. 24 or any one of the optional embodiments described above, when the transmission condition includes a TBS and a channel quality, the uplink transmission manner includes the number and time-frequency position of PRBs occupied by the uplink data, an MCS level adopted by the uplink data, and a number of times of repeated transmission of the uplink data.

alternatively, the first and second electrodes may be,

In another optional embodiment provided based on the embodiment of fig. 24 or any one of the optional embodiments described above, the preconfigured information includes indication information corresponding to each uplink transmission mode of the n uplink transmission modes.

In another optional embodiment provided based on the embodiment of fig. 24 or any one of the optional embodiments described above, the preconfigured information includes indication information corresponding to a specified uplink transmission mode in the n uplink transmission modes, and other uplink transmission modes except the specified uplink transmission mode in the n uplink transmission modes are determined according to a preset rule and the specified uplink transmission mode;

wherein the target uplink transmission mode comprises: the method comprises the steps of pre-configuring an uplink transmission mode with the largest number of PRBs and/or pre-configuring an uplink transmission mode with the largest number of repeated transmission times.

Fig. 25 is a block diagram of an uplink transmission apparatus in an unlicensed uplink scheduling scenario according to another exemplary embodiment. The device has the functions of realizing the terminal side method example, and the functions can be realized by hardware or by executing corresponding software by hardware. The apparatus may be the terminal described above, or may be provided in the terminal. The apparatus may include: a receiving module 2501, a processing module 2502, and a transmitting module 2503.

A receiving module 2501, configured to receive preconfigured information sent by an access network device, where the preconfigured information is used to provide n uplink transmission manners preconfigured for n transmission conditions to the terminal, where the uplink transmission manners include at least one of a number and a time-frequency position of physical resource blocks PRB occupied by uplink data, a modulation and coding strategy MCS level adopted by the uplink data, and a number of times of repeated transmission of the uplink data, and n is an integer greater than 1.

A processing module 2502, configured to select a target uplink transmission mode according with the current transmission status from the n uplink transmission modes when there is a need to send target uplink data to the access network device.

A sending module 2503, configured to send the target uplink data to the access network device by using the target uplink transmission mode.

In an optional embodiment provided based on the embodiment of fig. 25, when the transmission condition includes a transport block size, TBS, the uplink transmission mode includes the number of PRBs occupied by the uplink data and a time-frequency location, and an MCS level adopted by the uplink data.

Optionally, the processing module 2502 includes:

In another optional embodiment provided based on the embodiment of fig. 25 or any one of the optional embodiments described above, when the transmission condition includes channel quality, the uplink transmission mode includes a number of times of repeated transmission of the uplink data.

Optionally, the processing module 2502 includes:

an acquisition submodule configured to acquire a current channel quality;

In another optional embodiment provided based on the embodiment of fig. 25 or any one of the optional embodiments described above, when the transmission condition includes a TBS and a channel quality, the uplink transmission manner includes the number and time-frequency position of PRBs occupied by the uplink data, an MCS level adopted by the uplink data, and a number of times of repeated transmission of the uplink data.

Optionally, the processing module 2502 includes:

an acquisition submodule configured to acquire a current channel quality;

It should be noted that, when the apparatus provided in the foregoing embodiment implements the functions thereof, only the division of the above functional modules is illustrated, and in practical applications, the above functions may be distributed by different functional modules according to actual needs, that is, the content structure of the device is divided into different functional modules, so as to complete all or part of the functions described above.

With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.

An exemplary embodiment of the present disclosure further provides an access network device, which can implement the resource allocation method in the unlicensed uplink scheduling scenario provided by the present disclosure. The access network device may include: a processor, and a memory for storing executable instructions for the processor. Wherein the processor is configured to:

Optionally, when the transmission status includes a TBS, the uplink transmission mode includes a PRB occupied by the uplink data and an MCS level adopted by the uplink data.

alternatively, the first and second electrodes may be,

An exemplary embodiment of the present disclosure further provides a terminal, which can implement the uplink transmission method in the unlicensed uplink scheduling scenario provided by the present disclosure. The terminal may include: a processor, and a memory for storing executable instructions for the processor. Wherein the processor is configured to:

Optionally, the processor is configured to: and selecting an uplink transmission mode with the TBS not smaller than and closest to the data volume of the target uplink data from the n uplink transmission modes according to the TBS corresponding to the n uplink transmission modes, and determining the selected uplink transmission mode as the target uplink transmission mode.

Optionally, the processor is further configured to:

acquiring the current channel quality;

and selecting an uplink transmission mode corresponding to the current channel quality from the n uplink transmission modes according to the current channel quality, and determining the selected uplink transmission mode as the target uplink transmission mode.

Optionally, the processor is further configured to:

acquiring the current channel quality;

and selecting an uplink transmission mode corresponding to the current channel quality and having a TBS not smaller than and closest to the data volume of the target uplink data from the n uplink transmission modes according to the TBS corresponding to the current channel quality and the n uplink transmission modes, and determining the selected uplink transmission mode as the target uplink transmission mode.

An exemplary embodiment of the present disclosure further provides a resource configuration system in an unlicensed uplink scheduling scenario, where the system may include the access network device and the terminal introduced above.

The above-mentioned scheme provided by the embodiments of the present disclosure is introduced mainly from the perspective of access network devices and terminals. It is understood that the access network equipment and the terminal, in order to implement the above-mentioned functions, include corresponding hardware structures and/or software modules for performing the respective functions. The elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein may be embodied in hardware or in a combination of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

Fig. 26 is a schematic diagram illustrating an architecture of an access network device according to an example embodiment.

Access network device 2600 includes a transmitter/receiver 2601 and a processor 2602. The processor 2602 may also be a controller, and is referred to as the "controller/processor 2602" in fig. 26. The transmitter/receiver 2601 is used for supporting information transmission and reception between the access network device and the terminal in the above embodiments, and for supporting communication between the access network device and other network entities. The processor 2602 performs various functions for communication with the terminals. On the uplink, uplink signals from the terminal are received via the antenna, demodulated by a receiver 2601 (e.g., to demodulate high frequency signals to baseband signals), and further processed by a processor 2602 to recover traffic data and signaling information sent by the terminal. On the downlink, traffic data and signaling messages are processed by a processor 2602 and modulated by a transmitter 2601 (e.g., a baseband signal is modulated to a high frequency) to generate a downlink signal, which is transmitted via an antenna to the terminals. It is to be noted that the above demodulation or modulation functions can also be performed by the processor 2602. For example, the processor 2602 is further configured to perform various steps on the access network device side in the foregoing method embodiments, and/or other steps of the technical solutions described in the embodiments of the present disclosure.

Further, access network device 2600 may also include a memory 2603, memory 2603 configured to store program codes and data for access network device 2600. The access network device may also include a communication unit 2604. A communication unit 2604 is configured to support the access network device to communicate with other network entities (e.g., network devices in the core network, etc.). For example, in the LTE system, the communication unit 2604 may be an S1-U interface for supporting an access network device to communicate with a Serving Gateway (S-GW); alternatively, the communication unit 2604 may also be an S1-MME interface, configured to support the access network device to communicate with a Mobility Management Entity (MME).

It is to be understood that fig. 26 only shows a simplified design of access network device 2600. In practical applications, access network device 2600 may comprise any number of transmitters, receivers, processors, controllers, memories, communication units, etc., and all access network devices that may implement embodiments of the present disclosure are within the scope of the embodiments of the present disclosure.

Fig. 27 is a block diagram of a terminal according to an example embodiment.

The terminal 2700 includes a transmitter 2701, a receiver 2702, and a processor 2703. The processor 2703 may also be a controller, and is referred to as the "controller/processor 2703" in fig. 27. Optionally, the terminal 2700 may further include a modem processor 2705, wherein the modem processor 2705 may include an encoder 2706, a modulator 2707, a decoder 2708, and a demodulator 2709.

In one example, the transmitter 2701 conditions (e.g., converts to analog, filters, amplifies, and frequency upconverts, etc.) the output samples and generates an uplink signal, which is transmitted via an antenna to access network devices. On the downlink, the antenna receives a downlink signal transmitted by the access network device. The receiver 2702 conditions (e.g., filters, amplifies, frequency downconverts, and digitizes, etc.) the received signal from the antenna and provides input samples. Within modem processor 2705, an encoder 2706 receives traffic data and signaling messages to be transmitted on the uplink and processes (e.g., formats, encodes, and interleaves) the traffic data and signaling messages. A modulator 2707 further processes (e.g., symbol maps and modulates) the coded traffic data and signaling messages and provides output samples. A demodulator 2709 processes (e.g., demodulates) the input samples and provides symbol estimates. A decoder 2708 processes (e.g., deinterleaves and decodes) the symbol estimates and provides decoded data and signaling messages for transmission to the terminal 2700. Encoder 2706, modulator 2707, demodulator 2709, and decoder 2708 may be implemented by a combined modem processor 2705. These elements are processed in accordance with the radio access technology employed by the radio access network (e.g., the access technologies of LTE and other evolved systems). It is to be appreciated that when the terminal 2700 does not include the modem processor 2705, the above-described functions of the modem processor 2705 can also be performed by the processor 2703.

The processor 2703 controls and manages the operation of the terminal 2700, and is configured to perform the processing procedure performed by the terminal 2700 in the embodiment of the present disclosure. For example, the processor 2703 is further configured to perform various steps of the terminal side in the above method embodiments, and/or other steps of the technical solutions described in the embodiments of the present disclosure.

Further, the terminal 2700 may also include a memory 2704, the memory 2704 being used to store program codes and data for the terminal 2700.

It is to be understood that fig. 27 shows only a simplified design of terminal 2700. In practical applications, the terminal 2700 may include any number of transmitters, receivers, processors, modem processors, memories, etc., and all terminals that can implement the embodiments of the present disclosure are within the scope of the embodiments of the present disclosure.

The embodiment of the present disclosure further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor of an access network device, implements the steps of the resource configuration method in the scenario of the unlicensed uplink scheduling at the access network device side.

The disclosed embodiments also provide a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor of a terminal, implements the steps of the uplink transmission method in the above-mentioned terminal-side unlicensed uplink scheduling scenario.

It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A resource allocation method under an unlicensed uplink scheduling scenario is characterized in that the method comprises the following steps:

the access network equipment sends preconfigured information to a terminal, wherein the preconfigured information is used for providing n uplink transmission modes preconfigured for n transmission conditions to the terminal, when the transmission conditions include Transport Block Size (TBS), the uplink transmission modes include the number and time-frequency position of Physical Resource Blocks (PRBs) occupied by uplink data and Modulation and Coding Strategy (MCS) levels adopted by the uplink data, and in the n uplink transmission modes, the PRBs preconfigured in at least two uplink transmission modes are overlapped on a time domain and/or a frequency domain; n is an integer greater than 1;

2. The method of claim 1, wherein the n uplink transmission schemes comprise m uplink transmission schemes preconfigured for m different TBSs, and wherein m is an integer less than or equal to n and greater than 1; wherein the content of the first and second substances,

alternatively, the first and second electrodes may be,

3. The method according to claim 1, wherein the PRBs pre-configured in any two uplink transmission modes of the n uplink transmission modes do not overlap with each other in time domain and frequency domain.

4. The method according to claim 1, wherein the uplink transmission format further includes a number of times of retransmission of the uplink data, and the number of times of retransmission of the uplink data is positively correlated with the MCS level used for the uplink data.

5. The method according to claim 4, wherein there is an overlap in time domain and/or frequency domain of PRBs pre-configured for repeated transmission in at least two uplink transmission modes in the n uplink transmission modes.

6. The method of claim 1, wherein the uplink transmission mode comprises a number of repeated transmissions of the uplink data when the transmission condition comprises a channel quality.

7. The method of claim 1, wherein when the transmission status comprises TBS and channel quality, the uplink transmission mode comprises the number of PRBs occupied by the uplink data and time-frequency locations, the MCS level used by the uplink data, and the number of repeated transmissions of the uplink data.

8. The method of claim 7, wherein the n uplink transmission schemes comprise p uplink transmission schemes preconfigured for p different TBSs for a same channel quality, wherein p is an integer smaller than n and greater than 1; wherein the content of the first and second substances,

alternatively, the first and second electrodes may be,

9. The method according to claim 8, wherein the PRBs pre-configured in the p uplink transmission modes overlap in time domain and/or frequency domain.

10. The method of claim 7, wherein the n uplink transmission schemes comprise q uplink transmission schemes preconfigured for q different channel qualities for a same TBS, and wherein q is an integer smaller than n and greater than 1;

11. The method according to claim 10, wherein the PRBs pre-configured in the q uplink transmission modes overlap in time domain and/or frequency domain.

12. The method according to claim 7, wherein in the n uplink transmission modes, there is an overlap of PRBs pre-configured in at least two uplink transmission modes in a time domain and/or a frequency domain;

13. The method according to any one of claims 1 to 12, wherein the preconfigured information includes indication information corresponding to each of the n uplink transmission modes.

14. The method according to any one of claims 1 to 12, wherein the preconfigured information includes indication information corresponding to a designated uplink transmission mode of the n uplink transmission modes, and other uplink transmission modes except the designated uplink transmission mode of the n uplink transmission modes are determined according to a preset rule and the designated uplink transmission mode;

15. An uplink transmission method in an unlicensed uplink scheduling scenario, the method comprising:

a terminal receives preconfigured information sent by access network equipment, wherein the preconfigured information is used for providing n uplink transmission modes preconfigured for n transmission conditions to the terminal, and when the transmission conditions include a Transport Block Size (TBS), the uplink transmission modes include the number and time-frequency position of Physical Resource Blocks (PRBs) occupied by uplink data and Modulation and Coding Strategy (MCS) levels adopted by the uplink data, and in the n uplink transmission modes, the PRBs preconfigured in at least two uplink transmission modes are overlapped on a time domain and/or a frequency domain; n is an integer greater than 1;

16. The method according to claim 15, wherein said selecting a target uplink transmission mode corresponding to a current transmission status from the n uplink transmission modes comprises:

17. The method of claim 15, wherein the uplink transmission mode comprises a number of repeated transmissions of the uplink data when the transmission condition comprises a channel quality.

18. The method according to claim 17, wherein said selecting a target uplink transmission mode corresponding to a current transmission status from the n uplink transmission modes comprises:

the terminal acquires the current channel quality;

19. The method of claim 15, wherein when the transmission status comprises TBS and channel quality, the uplink transmission mode comprises the number of PRBs occupied by the uplink data and time-frequency locations, the MCS level adopted by the uplink data, and the number of repeated transmissions of the uplink data.

20. The method according to claim 19, wherein said selecting a target uplink transmission mode corresponding to a current transmission status from the n uplink transmission modes comprises:

the terminal acquires the current channel quality;

21. A resource allocation device under an unlicensed uplink scheduling scenario is applied to an access network device, and the device includes:

a sending module, configured to send preconfigured information to a terminal, where the preconfigured information is used to provide n uplink transmission manners preconfigured for n transmission conditions to the terminal, and when the transmission conditions include a transport block size TBS, the uplink transmission manners include the number and time-frequency positions of physical resource blocks PRBs occupied by uplink data and modulation and coding strategy MCS levels adopted by the uplink data, and in the n uplink transmission manners, there is an overlap of the preconfigured PRBs in at least two uplink transmission manners in a time domain and/or a frequency domain; n is an integer greater than 1;

22. An uplink transmission apparatus in an unlicensed uplink scheduling scenario, applied in a terminal, the apparatus comprising:

a receiving module, configured to receive preconfigured information sent by an access network device, where the preconfigured information is used to provide n uplink transmission manners preconfigured for n transmission conditions to the terminal, and when the transmission conditions include a transport block size TBS, the uplink transmission manners include a number and time-frequency positions of physical resource blocks PRB occupied by uplink data and modulation and coding strategy MCS levels adopted by the uplink data, and in the n uplink transmission manners, there is an overlap of preconfigured PRBs in at least two uplink transmission manners in a time domain and/or a frequency domain; n is an integer greater than 1;

23. The apparatus of claim 22, wherein the processing module comprises:

24. The apparatus of claim 22, wherein the uplink transmission mode comprises a number of repeated transmissions of the uplink data when the transmission condition comprises a channel quality.

25. The apparatus of claim 24, wherein the processing module comprises:

an acquisition submodule configured to acquire a current channel quality;

26. The apparatus of claim 22, wherein when the transmission status comprises TBS and channel quality, the uplink transmission mode comprises the number of PRBs occupied by the uplink data and time-frequency location, MCS level adopted by the uplink data, and the number of repeated transmissions of the uplink data.

27. The apparatus of claim 26, wherein the processing module comprises:

an acquisition submodule configured to acquire a current channel quality;

28. An access network device, characterized in that the access network device comprises:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to:

sending preconfigured information to a terminal, wherein the preconfigured information is used for providing n uplink transmission modes preconfigured for n transmission conditions to the terminal, and when the transmission conditions include a Transport Block Size (TBS), the uplink transmission modes include the number and time-frequency positions of Physical Resource Blocks (PRBs) occupied by uplink data and Modulation and Coding Scheme (MCS) levels adopted by the uplink data, and in the n uplink transmission modes, the PRBs preconfigured in at least two uplink transmission modes overlap in a time domain and/or a frequency domain; n is an integer greater than 1;

29. A terminal, characterized in that the terminal comprises:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to:

receiving pre-configuration information sent by access network equipment, wherein the pre-configuration information is used for providing n uplink transmission modes pre-configured for n transmission conditions for the terminal, and when the transmission conditions include Transport Block Size (TBS), the uplink transmission modes include the number and time-frequency position of Physical Resource Blocks (PRBs) occupied by uplink data and Modulation and Coding Strategy (MCS) levels adopted by the uplink data, and in the n uplink transmission modes, the PRBs pre-configured in at least two uplink transmission modes are overlapped on a time domain and/or a frequency domain; n is an integer greater than 1;

30. A non-transitory computer readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method according to any one of claims 1 to 14, or implements the steps of the method according to any one of claims 15 to 20.