WO2022194026A1

WO2022194026A1 - Method for transmitting uplink mcs indication information, and terminal and network side device

Info

Publication number: WO2022194026A1
Application number: PCT/CN2022/080215
Authority: WO
Inventors: 姚健; 孙晓东
Original assignee: 维沃移动通信有限公司
Priority date: 2021-03-15
Filing date: 2022-03-10
Publication date: 2022-09-22
Also published as: CN115085861A; CN115085861B

Abstract

The present application belongs to the technical field of communications. Disclosed are a method for transmitting uplink MCS indication information, and a terminal and a network side device. The method for transmitting uplink MCS indication information provided in the embodiments of the present application comprises: a terminal receiving uplink modulation and coding scheme (MCS) indication information sent by a network side device, wherein the uplink MCS indication information comprises indication information for determining a target MCS grade of a physical uplink shared channel (PUSCH), the target MCS grade is a corresponding MCS grade in a 1024 quadrature amplitude modulation (QAM) MCS table, and the 1024 QAM MCS table is determined by the terminal after receiving first indication information, which is sent by the network side device according to configuration information of the PUSCH and by means of first higher-layer signaling.

Description

Method, terminal and network side device for transmitting uplink MCS indication information

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202110278121.2 filed on March 15, 2021 and the invention title is "Method, Terminal and Network Side Device for Transmitting Uplink MCS Indication Information", which is fully incorporated by reference this application.

technical field

The present application belongs to the field of communication technologies, and specifically relates to a method, a terminal and a network side device for transmitting uplink MCS indication information.

Background technique

Before the terminal modulates the PUSCH (Physical Uplink Shared Channel, also known as the Physical Uplink Shared Channel), it will receive the uplink MCS (Modulation and Coding Scheme, modulation and coding strategy) indication information issued by the network side device. The indication information indicates the MCS level at which the terminal encodes the PUSCH, and the network side device also indicates which MCS table the terminal should use to modulate the PUSCH.

In the existing NR system, the highest modulation order supported by PUSCH is 8, including a variety of modulation methods, such as π/2-BPSK (Binary Phase Shift Keying), QPSK (Quadrature Phase Shift Keying, four Phase shift keying), 16QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation), 64QAM and 256QAM, etc. The amount of information conveyed by each modulation symbol of various modulation modes may be 1bit, 2bits, 4bits, 6bits, and 8bits, respectively.

In order to support higher-order PUSCH modulation, such as 1024QAM, the network-side device needs to send higher-order MCS indication information to the terminal, which has not been defined in the prior art.

SUMMARY OF THE INVENTION

The embodiments of the present application provide a method, a terminal, and a network-side device for transmitting uplink MCS indication information, which can solve the technical problem of the lack of high-order MCS indication information in the prior art, so that the terminal cannot perform high-order modulation on the PUSCH. .

A first aspect provides a method for transmitting uplink MCS indication information, which is applied to a terminal, and the method includes:

The terminal receives the uplink modulation and coding strategy MCS indication information sent by the network side device;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the uplink traffic channel PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

The 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the network side device according to the configuration information of the PUSCH through the first high-level signaling.

In a second aspect, a method for transmitting uplink MCS indication information is provided, which is applied to a network side device, and the method includes:

The network side device sends the uplink modulation and coding strategy MCS indication information to the terminal;

The 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the network side device according to the configuration information of the PUSCH through the first high layer signaling.

In a third aspect, a device for transmitting uplink MCS indication information is provided, the device comprising:

a receiving module, configured to receive the uplink modulation and coding strategy MCS indication information sent by the network side device;

A fourth aspect provides a device for transmitting uplink MCS indication information, the device comprising:

a sending module, configured to send uplink modulation and coding strategy MCS indication information to the terminal;

Wherein, the 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the sending module according to the configuration information of the PUSCH through the first high-level signaling.

In a fifth aspect, a terminal is provided, the terminal includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor The steps of implementing the method as described in the first aspect.

In a sixth aspect, a network side device is provided, the network side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.

In a seventh aspect, a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.

In an eighth aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect , or implement the method described in the second aspect.

In a ninth aspect, a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the first aspect or the steps of the method of the second aspect.

The method, terminal, and network-side device for transmitting uplink MCS indication information provided by the embodiments of the present application, by making the MCS indication information to be transmitted include the corresponding MCS level in the 1024QAM MCS table, so that the terminal can smoothly respond to the information after receiving the information. The PUSCH performs 1024 MCS, thereby enabling the terminal to achieve high-order modulation on the PUSCH, effectively avoiding the phenomenon of limited throughput in high signal-to-noise ratio application scenarios.

Description of drawings

FIG. 1 is a structural diagram of a wireless communication system provided by an embodiment of the present application;

2 is one of the schematic flowcharts of the method for transmitting uplink MCS indication information provided by an embodiment of the present application;

3 is a second schematic flowchart of a method for transmitting uplink MCS indication information provided by an embodiment of the present application;

4 is one of the schematic structural diagrams of an apparatus for transmitting uplink MCS indication information provided by an embodiment of the present application;

5 is a second schematic structural diagram of an apparatus for transmitting uplink MCS indication information provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a communication device implementing an embodiment of the present application;

7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application;

FIG. 8 is a schematic diagram of a hardware structure of a network side device implementing an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of this application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first", "second" distinguishes Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation (6th Generation) , 6G) communication system.

FIG. 1 shows a structural diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), PDA, Netbook, Ultra-mobile Personal Computer (UMPC), Mobile Internet Device (MID), Augmented Reality (AR)/Virtual Reality ( virtual reality, VR) equipment, robot, wearable device (Wearable Device), vehicle-mounted equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication function, such as refrigerator, TV, washing machine or furniture, etc. ), game consoles, personal computers (PCs), teller machines or self-service machines and other terminal-side devices, wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets) , smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. The terminal 11 may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. The base station in the NR system is taken as an example, but the specific type of the base station is not limited.

In order to more fully understand the technical solutions provided by the embodiments of the present application, the following contents are now introduced:

In the current NR (New Radio, new air interface) protocol, the maximum modulation of the PUSCH supported by the terminal is 256QAM modulation. The network side device indicates to the terminal that the 256QAM modulation mode is:

If transmit precoding is not enabled:

- The mcs-TableDCI-0-2 parameter in the Pusch-Config configuration set is set to qam256, and the PUSCH is scrambled by C-RNTI or SP-CSI-RNTI (Cell Radio Network Temporary Identifier, Cell Radio Network Temporary Identifier) The PDCCH (Physical Downlink Control Channel, physical downlink control channel) scheduling of the DCI (Downlink Controll Information, downlink control information) format 0_2;

- The mcs-Table parameter in the pusch-Config configuration set is set to qam256, and the PUSCH is scheduled by the PDCCH of DCI format 0_2 with CRC scrambled by C-RNTI or SP-CSI-RNTI;

- The mcs-Table parameter in the configuredGrantConfig configuration set is set to qam256, the PUSCH is scheduled by PDCCH scrambled by CS-RNTI for CRC, or the PUSCH is transmitted by configuration-free (configured grant);

If transmit precoding is enabled:

- The mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set is set to qam256, and the PUSCH is scheduled by the PDCCH of DCI format 0_2 with CRC scrambled by C-RNTI or SP-CSI-RNTI;

- The mcs-TableTransformPrecoder parameter in the pusch-Config configuration set is set to qam256, and the PUSCH is scheduled by the PDCCH of DCI format 0_2 with CRC scrambled by C-RNTI or SP-CSI-RNTI;

The mcs-TableTransformPrecoder parameter in the -configuredGrantConfig configuration set is set to qam256, and the PUSCH is scheduled by PDCCH with CRC scrambled by CS-RNTI or PUSCH is transmitted through configuration authorization.

The method for transmitting uplink MCS indication information provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through some embodiments and application scenarios thereof.

FIG. 2 is one of the schematic flowcharts of a method for transmitting uplink MCS indication information provided by an embodiment of the present application. As shown in FIG. 2 , an embodiment of the present application provides a method for transmitting uplink MCS indication information, which may include:

Step 210, the terminal receives the MCS indication information sent by the network side device;

It should be noted that the execution body of the above method may be a terminal. The technical solution of the present application will be described in detail below by taking the terminal executing the above method as an example.

The terminal may receive the uplink MCS indication information sent by the network side device before modulating the PUSCH. The MCS indication information may indicate to the terminal a target MCS level for modulating the PUSCH.

The target MCS level may be the corresponding level in the 1024QAM MCS table.

After receiving the uplink MCS indication information sent by the network side device, the terminal will use the target MCS level to modulate the PUSCH according to the indication of the MCS indication information.

It should be noted that the network-side device may preconfigure multiple MCS tables for modulating the PUSCH for the terminal, such as a 64QAM MCS table, a 256QAM MCS table, and a 1024QAM MCS table. Before modulating the PUSCH, the network side device needs to indicate to the terminal which MCS table to use.

In the embodiment of the present application, the MCS table used by the terminal to modulate the PUSCH is determined by the terminal after receiving the first indication information sent by the network side device.

The first indication information may be sent by the network side device through the first high-layer signaling according to the configuration information of the PUSCH.

In the method for transmitting uplink MCS indication information provided by the embodiment of the present application, the MCS indication information to be transmitted includes the corresponding MCS level in the 1024QAM MCS table, so that the terminal can smoothly perform 1024MCS on the PUSCH after receiving the information, thereby enabling the The terminal implements high-order modulation on the PUSCH, which effectively avoids the phenomenon of limited throughput in high signal-to-noise ratio application scenarios.

In an embodiment, the network side device sends the first indication information through the first high-layer signaling according to the configuration information of the PUSCH, which may include:

In the case where transmission precoding is not enabled, the mcs-TableDCI-0-2 parameter in the pusch-Config configuration set carried in the first layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP-CSI- The RNTI performs PDCCH scheduling of CRC-scrambled DCI format 0_2.

It can be understood that in the case where transmission precoding is not enabled and the PUSCH is scheduled by the PDCCH of DCI format 0_2 with CRC scrambled by C-RNTI or SP-CSI-RNTI, the network side device can send the first high layer signaling The mcs-TableDCI-0-2 parameter in the pusch-Config configuration set carried in qam1024 is configured as qam1024, and the first indication information is sent to the terminal in this way.

Since the mcs-TableDCI-0-2 parameter in the pusch-Config configuration set is configured as qam1024, after receiving the first indication information sent by the network side device in the above manner, the terminal can determine the The MCS table for modulating the PUSCH, that is, the 1024QAM MCS table.

When transmission precoding is not enabled, the mcs-Table parameter in the pusch-Config configuration set carried in the first layer signaling is configured as qam1024, and the PUSCH is CRC-added by C-RNTI or SP-CSI-RNTI PDCCH scheduling of scrambled DCI format 0_2.

It can be understood that in the case where transmission precoding is not enabled and the PUSCH is scheduled by the PDCCH of DCI format 0_2 with CRC scrambled by C-RNTI or SP-CSI-RNTI, the network side device can send the first high layer signaling The mcs-Table parameter in the pusch-Config configuration set carried in qam1024 is configured as qam1024, and the first indication information is sent to the terminal in this way.

Since the mcs-Table parameter in the pusch-Config configuration set is configured as qam1024, after receiving the first indication information sent by the network-side device in the above manner, the terminal can determine according to the first indication The modulated MCS table, that is, the 1024QAM MCS table.

In the case where transmission precoding is not enabled, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is scheduled by PDCCH with CRC scrambled by CS-RNTI or PUSCH is configured through Authorized Transmission.

It can be understood that, in the case where transmission precoding is not enabled, and the PUSCH is scheduled by the CS-RNTI for CRC scrambled PDCCH scheduling or the PUSCH is authorized for transmission through configuration, the network side device can transfer the configuredGrantConfig carried in the first-layer signaling. The mcs-Table parameter in the configuration set is set to qam1024, and the first indication information is sent to the terminal in this way.

Since the mcs-Table parameter in the configuredGrantConfig configuration set is configured as qam1024, after receiving the first indication information sent by the network-side device in the above manner, the terminal can determine the PUSCH based on the first indication information. Form MCS, which is the 1024QAM MCS form.

In an embodiment, the network side device sends the first indication information through the first higher layer signaling according to the configuration information of the PUSCH, which may include:

When transmission precoding is enabled, the mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set carried in the first layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP-CSI-RNTI Perform PDCCH scheduling of CRC-scrambled DCI format 0_2.

It can be understood that, in the case where transmission precoding is enabled and the PUSCH is scheduled by C-RNTI or SP-CSI-RNTI for CRC scrambled PDCCH of DCI format 0_2, the network side device may include the first high layer signaling in the PDCCH scheduling. The mcs-TableTransformPrecoderDCI-0-2 parameter in the carried pusch-Config configuration set is configured as qam1024, and the first indication information is sent to the terminal in this way.

Since the mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set is configured as qam1024, after receiving the first indication information sent by the network side device in the above manner, the terminal can determine the The MCS table for modulating the PUSCH, that is, the 1024QAM MCS table.

When transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the pusch-Config configuration set carried in the first layer signaling is configured as qam1024, and the PUSCH is CRC scrambled by C-RNTI or SP-CSI-RNTI PDCCH scheduling of DCI format 0_2.

It can be understood that, in the case where transmission precoding is enabled and the PUSCH is scheduled by C-RNTI or SP-CSI-RNTI for CRC scrambled PDCCH of DCI format 0_2, the network side device may include the first high layer signaling in the PDCCH scheduling. The mcs-TableTransformPrecoder parameter in the carried pusch-Config configuration set is configured as qam1024, and the first indication information is sent to the terminal in this way.

Since the mcs-TableTransformPrecoder parameter in the pusch-Config configuration set is configured as qam1024, after receiving the first indication information sent by the network-side device in the above-mentioned manner, the terminal can determine, according to the first indication information, which method is used to perform PUSCH processing on the PUSCH. The modulated MCS table, that is, the 1024QAM MCS table.

When transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first-layer signaling is configured as qam1024, and the PUSCH is scheduled by PDCCH scrambled by C-RNTI or PUSCH is authorized by configuration transmission.

It can be understood that, in the case where transmission precoding is enabled and the PUSCH is scheduled by the C-RNTI for CRC scrambled PDCCH or the PUSCH is authorized for transmission through configuration, the network side device can configure the configuredGrantConfig carried in the first higher layer signaling. The mcs-TableTransformPrecoder parameter in the collection is configured as qam1024, and the first indication information is sent to the terminal in this way

Since the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set is configured as qam1024, after receiving the first indication information sent by the network-side device in the above-mentioned manner, the terminal can determine the PUSCH based on the first indication information. Form MCS, which is the 1024QAM MCS form.

It should be noted that the above-mentioned first high-level signaling may be various high-level signaling such as RRC (Radio Resource Control, Radio Resource Control) signaling, MAC (Media Access Control, Media Access Control) CE signaling and other high-level signaling. The embodiment does not specifically limit the type of high-layer signaling.

In the method for transmitting uplink MCS indication information provided by the embodiment of the present application, the network side device can configure different first high-layer signaling to send the first indication information according to different PUSCH configuration information, so as to ensure that under various circumstances , the network side equipment can indicate to the terminal the 1024QAM MCS table used to modulate the PUSCH, which effectively ensures the smooth progress of the terminal's modulation of the PUSCH.

In one embodiment, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is scheduled by the CS-RNTI for CRC scrambled PDCCH scheduling or the PUSCH is transmitted through the configuration grant Next, the method for transmitting uplink MCS indication information provided by the embodiment of the present application may further include:

The terminal receives the second indication information sent by the network side device through MAC (Medium Access Control, medium access control) CE (Controll Element, control unit) or DCI (Downlink Control Information, downlink control information), and the second indication information is used to indicate a second MCS table encoding the PUSCH;

Wherein, the second MCS table may include any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

It should be noted that, in a specific scenario, the terminal may need to perform multiple formats of modulation on the PUSCH, or the terminal cannot perform 1024QAM (Quadrature Amplitude Modulation) on the PUSCH.

Therefore, the network side device is set to qam1024 through the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling, and the PUSCH is scheduled by the CS-RNTI for CRC scrambled PDCCH scheduling or the PUSCH is transmitted through the configuration authorization Next, the second indication information is sent through the MAC CE or the downlink control information DCI to instruct the terminal to use the second MCS table to modulate the PUSCH, which can ensure the smooth progress of the terminal's modulation of the PUSCH and/or enable the terminal to use multiple formats for the PUSCH. The modulation is performed, which effectively enhances the ability of the terminal to modulate the PUSCH.

In one embodiment, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration grant Next, the method for transmitting uplink MCS indication information provided by the embodiment of the present application may further include:

The terminal receives the second indication information sent by the network side device through the MAC CE or the downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

It should be noted that, in a specific scenario, it may happen that the terminal needs to perform modulation of multiple formats on the PUSCH, or the terminal cannot perform 1024QAM on the PUSCH.

Therefore, the network side device is configured to qam1024 through the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling, and the PUSCH is scheduled by the C-RNTI for PDCCH scheduling with CRC scrambled or the PUSCH is transmitted through the configuration authorization Next, the second indication information is sent through the MAC CE or the downlink control information DCI to instruct the terminal to use the second MCS table to modulate the PUSCH, which can ensure the smooth progress of the terminal's modulation of the PUSCH and/or enable the terminal to use multiple formats for the PUSCH. The modulation is performed, which effectively enhances the ability of the terminal to modulate the PUSCH.

In an embodiment, before the terminal receives the first indication information, the method for transmitting uplink MCS indication information provided by this embodiment of the present application may further include:

The terminal sends capability information to the network side device, and the capability information indicates whether the terminal supports the capability of performing 1024QAM on the PUSCH;

The terminal sends the capability information in one or more of the following ways:

Mode 1: Transmission precoding disabled and transmission coding enabled are sent separately;

It can be understood that the terminal may send the capability information respectively according to the enablement of transmission precoding. That is, in the case where transmission precoding is not enabled, the terminal will send capability information to notify the network side device: the terminal currently supports the modulation of the PUSCH in the case where transmission precoding is not enabled; and in the case where transmission precoding is enabled, The terminal will send capability information to notify the network side device that the terminal currently supports modulation of the PUSCH under the condition that transmission precoding is enabled.

Mode 2: DCI format 0_1 and DCI format 0_2 are sent separately;

It can be understood that, the terminal can send capability information respectively according to the format configuration of the DCI. That is, when the format of DCI is configured as DCI format 0_1, the terminal will send capability information to notify the network side device: the format currently supported by the terminal is the modulation of PUSCH in the case of DCI format 0_1; and when the format of DCI is configured as In the case of DCI format 0_2, the terminal will send capability information to notify the network side device: the current supported DCI format of the terminal is configured as PUSCH modulation in the case of DCI format 0_2.

Mode 3: Type 1 CG (Configured Grant, configuration authorization) and Type 2 CG are sent separately.

It can be understood that the terminal can send the capability information respectively according to the configuration authorization type. That is, in the case of Type 1 CG (configuration authorization type 1), the terminal will send capability information to notify the network side device: the terminal currently supports PUSCH modulation in the case of Type 1 CG; while in Type 2 CG (configuration authorization type 2) In the case of , the terminal will send capability information to notify the network side device: the terminal currently supports the modulation of the PUSCH in the case of Type 2 CG.

In an embodiment, the method for transmitting uplink MCS indication information provided by the embodiment of the present application may further include:

In the case of 0≤IMCS≤26, transmission precoding is not enabled, and the terminal uses the 1024QAM MCS table, the terminal determines the TBS (Transport Block Size, transport block size) according to the target rule;

In the case of 27≤IMCS≤31, transmission precoding is not enabled and the terminal uses the 1024QAM MCS table, or in the case of 27≤IMCS≤31, transmission precoding is enabled and the terminal uses 1024QAM MCS, the terminal uses 0 The DCI of the latest PDCCH transmission of the same transport block with ≤IMCS≤26 determines the TBS;

At 27≤IMCS≤31, transmission precoding enabled, terminal using 1024QAM MCS table, DCI for the last PDCCH transmission of the same transport block with 0≤IMCS≤26 does not exist and the PUSCH for the same transport block is a configuration grant In the case of the PUSCH, the terminal determines the TBS corresponding to the PUSCH of the configuration grant type 1 according to the configuredGrantConfig configuration set, and determines the TBS corresponding to the PUSCH of the configuration grant type 2 according to the most recently scheduled PDCCH;

The IMCS is the MCS level of the PUSCH.

It should be noted that the above target rule may be the TBS calculation rule specified in the current NR (New Radio, new air interface) protocol.

The method for transmitting uplink MCS indication information provided by the embodiment of the present application, by proposing TBS determination methods for various situations when the terminal uses the 1024QAM MCS table to modulate the PUSCH, it can be ensured that the determination of the TBS is not affected by the terminal using the 1024QAM MCS table. influence to ensure the normal communication.

mcs-Table parameter or mcs-TableDCI-0-2 parameter or mcs-TableTransformPrecoder parameter or mcs-TableTransformPrecoderDCI-0 in the pusch-Config configuration set of at least one ULBWP (Uplink Bandwidth Part, uplink subset bandwidth) in the current serving cell -2 parameter is configured as qam1024, or,

When the mcs-Table parameter or the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set of at least one ULBWP in the current serving cell is configured as qam1024,

The terminal determines that the maximum modulation order of the PUSCH is 10.

It can be understood that, after determining the maximum modulation order supported by the PUSCH, the terminal can modulate the PUSCH according to the maximum modulation order.

In the case of using the 1024QAM MCS form, the terminal does the following:

Determine the value of the parameter ptrs-MCSi,i=1,2,3 in the PTRS-UplinkConfig configuration set to be 0-27; and

When the PUSCH scheduled for transmission by the terminal is used for retransmission, it is determined that IMCS>V, and according to the DCI of the same transmission block with IMCS≤V in the initial transmission, it is determined to determine the PT-RS (phase-tracking reference signal, phase tracking reference signal, phase tracking reference signal) signal) MCS of temporal density;

Wherein, IMCS is the MCS level of PUSCH, and V=26.

To sum up, the method for transmitting uplink MCS indication information provided by the embodiment of the present application can overcome the defect that the PUSCH in the current NR system does not support higher-order modulation, so that the throughput is limited in the application scenario of high signal-to-noise ratio, which is significant. The modulation capability of the terminal on the PUSCH is improved, thereby improving the communication efficiency.

FIG. 3 is a second schematic flowchart of a method for transmitting uplink MCS indication information provided by an embodiment of the present application. As shown in FIG. 3 , an embodiment of the present application provides a method for transmitting uplink MCS indication information, which may include:

Step 310, the network side device sends the uplink MCS indication information to the terminal;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

It should be noted that the execution subject of the above method may be a network side device. The technical solution of the present application will be described in detail below by taking the network side device performing the above method as an example.

The network side device may send uplink MCS indication information to the terminal before the terminal modulates the PUSCH. The MCS indication information may indicate to the terminal a target MCS level for modulating the PUSCH.

The target MCS level may be the corresponding level in the 1024QAM MCS table.

It should be noted that the network side device can pre-configure multiple MCS tables for modulating the PUSCH for the terminal, such as 64QAM MCS tables, 256QAM MCS tables, and 1024QAM MCS tables. Before modulating the PUSCH, the network side device needs to indicate to the terminal which MCS table to use.

Wherein, the network side device may send the first indication information through the first higher layer signaling according to the configuration information of the PUSCH.

The network side device sends second indication information to the terminal through MAC CE or DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS table may include any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

Therefore, the network side device is configured to qam1024 through the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling, and the PUSCH is scheduled by the C-RNTI for PDCCH scheduling with CRC scrambled or the PUSCH is transmitted through the configuration authorization Next, sending the second indication information through the MAC CE or DCI to instruct the terminal to use the second MCS table to modulate the PUSCH can ensure the smooth progress of the terminal's modulation of the PUSCH and/or enable the terminal to use multiple formats to modulate the PUSCH, The ability of the terminal to modulate the PUSCH is effectively enhanced.

In an embodiment, before the network side device sends the first indication information to the terminal, the method for transmitting uplink MCS indication information provided by the embodiment of the present application may further include:

The network side device receives the capability information sent by the terminal, and the capability information indicates whether the terminal supports the capability of performing 1024QAM on the PUSCH;

Mode 2: DCI format 0_1 and DCI format 0_2 are sent separately;

It should be noted that, in the method for transmitting uplink MCS indication information provided by the embodiments of the present application, the execution subject may be an apparatus for transmitting uplink MCS indication information, or, in the apparatus for transmitting uplink MCS indication information, a method for transmitting uplink MCS indication information is performed. The control module of the method of information. In this embodiment of the present application, the apparatus for transmitting uplink MCS indication information provided by the embodiment of the present application is described by taking the method for transmitting uplink MCS indication information performed by an apparatus for transmitting uplink MCS indication information as an example.

FIG. 4 is one of schematic structural diagrams of an apparatus for transmitting uplink MCS indication information provided by an embodiment of the present application. 4 , an embodiment of the present application provides an apparatus for transmitting uplink MCS indication information, which may include:

A receiving module 410, configured to receive the uplink modulation and coding strategy MCS indication information sent by the network side device;

The device for transmitting uplink MCS indication information provided by the embodiment of the present application makes the MCS indication information to be transmitted include the corresponding MCS level in the 1024QAM MCS table, so that the terminal can smoothly perform 1024MCS on the PUSCH after receiving the information, thereby enabling The terminal implements high-order modulation on the PUSCH, which effectively avoids the phenomenon of limited throughput in high signal-to-noise ratio application scenarios.

In an embodiment, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the CS-RNTI or the PUSCH is transmitted through the configuration grant in the case of,

The receiving module 410 is also used for:

receiving second indication information sent by the network side device through MAC CE or downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

In an embodiment, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is scheduled by PDCCH scrambled by CRC by C-RNTI or the PUSCH is transmitted through configuration authorization in the case of,

The receiving module 410 is also used for:

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

In an embodiment, the apparatus for transmitting uplink MCS indication information provided in this embodiment of the present application further includes a sending module (not shown), configured to send capability information to the network-side device, where the capability information indicates whether the terminal supports The ability of PUSCH to perform 1024 quadrature amplitude modulation;

Wherein, the sending module sends the capability information in one or more of the following ways:

Transmission precoding disabled and transmission coding enabled are sent separately;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.

In one embodiment, the apparatus for transmitting uplink MCS indication information provided by the embodiment of the present application further includes a TBS determination module (not shown), configured to:

In the case where 0≤IMCS≤26, transmission precoding is not enabled, and the terminal uses the 1024QAM MCS table, determine the transport block size TBS according to the target rule;

In the case of 27≤IMCS≤31, transmission precoding is not enabled and the terminal uses the 1024QAM MCS table, or in the case of 27≤IMCS≤31, transmission precoding is enabled and the terminal uses the 1024QAM MCS table In the case, the TBS is determined according to the DCI of the most recent PDCCH transmission for the same transport block with 0≤IMCS≤26;

At 27≤IMCS≤31, transmit precoding enabled, the terminal uses the 1024QAM MCS table, the DCI for the most recent PDCCH transmission for the same transport block with 0≤IMCS≤26 does not exist and is used for the same transport block In the case where the PUSCH is the PUSCH of the configuration authorization, the TBS corresponding to the PUSCH of the configuration authorization type 1 is determined according to the configuredGrantConfig configuration set, and the TBS corresponding to the PUSCH of the configuration authorization type 2 is determined according to the last scheduled PDCCH;

The IMCS is the MCS level of the PUSCH.

In one embodiment, the apparatus for transmitting uplink MCS indication information provided by the embodiment of the present application further includes a modulation order determination module (not shown), configured to:

The mcs-Table parameter or mcs-TableDCI-0-2 parameter or mcs-TableTransformPrecoder parameter or mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set of at least one uplink subset bandwidth ULBWP in the current serving cell is configured as qam1024 case, or,

The maximum modulation order of PUSCH is determined to be 10.

In an embodiment, the apparatus for transmitting uplink MCS indication information provided by the embodiment of the present application further includes a PT-RS determination module (not shown), configured to:

Using the 1024QAM MCS form, do the following:

When the PUSCH scheduled to be transmitted by the terminal is used for retransmission, it is determined that IMCS>V, and the MCS used to determine the time density of the phase tracking reference signal PT-RS is determined according to the DCI of the same transmission block with IMCS≤V in the initial transmission ;

Wherein, IMCS is the MCS level of PUSCH, and V=26.

FIG. 5 is a second schematic structural diagram of an apparatus for transmitting uplink MCS indication information provided by an embodiment of the present application. 5 , an embodiment of the present application provides an apparatus for transmitting uplink MCS indication information, which may include:

A sending module 510, configured to send uplink modulation and coding strategy MCS indication information to the terminal;

In an embodiment, the sending module 510 sends the first indication information through the first higher layer signaling according to the configuration information of the PUSCH, which may include:

In the case where transmission precoding is not enabled, the mcs-TableDCI-0-2 parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP- The CSI-RNTI performs CRC scrambled physical downlink control channel PDCCH scheduling of DCI format 0_2.

In the case where transmission precoding is not enabled, the mcs-Table parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and PUSCH is performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling of CRC scrambled DCI format 0_2.

In the case where transmission precoding is not enabled, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by CS-RNTI for PDCCH scheduling or PUSCH Authorize the transport by configuring it.

When transmission precoding is enabled, the mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP-CSI - PDCCH scheduling of DCI format 0_2 with CRC scrambled by RNTI.

When transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the pusch-Config configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is CRC performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling for scrambled DCI format 0_2.

In the case where transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH passes through Configure authorized transport.

In one embodiment, the sending module 510 is further configured to:

In the case where the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by the CS-RNTI for PDCCH scheduling or the PUSCH is transmitted through the configuration grant,

Send second indication information to the terminal through MAC CE or downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

In one embodiment, the sending module 510 is further configured to:

In the case that the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration authorization,

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

In one embodiment, the apparatus for transmitting uplink MCS indication information provided by the embodiment of the present application further includes a receiving module (not shown) for:

receiving capability information sent by the terminal, where the capability information indicates whether the terminal supports the capability of performing 1024 quadrature amplitude modulation on the PUSCH;

Wherein, the terminal sends the capability information in one or more of the following ways:

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.

The apparatus for transmitting uplink MCS indication information in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal. The apparatus or electronic device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.

The apparatus for transmitting uplink MCS indication information provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 and FIG. 3 , and achieve the same technical effect, which is not repeated here to avoid repetition.

Optionally, as shown in FIG. 6 , an embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, a program or instruction stored in the memory 602 and executable on the processor 601, For example, when the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, each process of the above method embodiment shown in FIG. 2 is implemented, and the same technical effect can be achieved. When the communication device 600 is a network side device, when the program or instruction is executed by the processor 601, each process of the method embodiment shown in FIG. 3 is implemented, and the same technical effect can be achieved.

An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is used for receiving uplink modulation and coding strategy MCS indication information sent by a network side device. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710, etc. at least part of the components.

Those skilled in the art can understand that the terminal 700 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions. The terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in this embodiment of the present application, the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042. Such as camera) to obtain still pictures or video image data for processing. The display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes a touch panel 7071 and other input devices 7072 . The touch panel 7071 is also called a touch screen. The touch panel 7071 may include two parts, a touch detection device and a touch controller. Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

In the embodiment of the present application, the radio frequency unit 701 receives the downlink data from the network side device, and then processes it to the processor 710; in addition, sends the uplink data to the network side device. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

Memory 709 may be used to store software programs or instructions as well as various data. The memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like. Additionally, memory 709 may include high speed random access memory, may also include volatile memory or nonvolatile memory, or memory 709 may also include both volatile and nonvolatile memory. Among them, the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM, PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), electrically programmable Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous random access memory) DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). The memory 709 in this embodiment of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 710.

Wherein, the radio frequency unit 701 is used for the terminal to receive the uplink modulation and coding strategy MCS indication information sent by the network side device;

Optionally, the radio frequency unit 701 is further used for:

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

Optionally, the radio frequency unit 701 is further used for:

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.

Optionally, the radio frequency unit 701 is also used for:

sending capability information to the network side device, the capability information indicating whether the terminal supports the capability of performing 1024 quadrature amplitude modulation on the PUSCH;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.

processor 710 for:

The IMCS is the MCS level of the PUSCH.

Optionally, the processor 710 is further configured to:

The maximum modulation order of PUSCH is determined to be 10.

Optionally, the processor 710 is further configured to:

Using the 1024QAM MCS form, do the following:

Wherein, IMCS is the MCS level of PUSCH, and V=26.

To sum up, the terminal provided by the embodiments of the present application can overcome the defect that the PUSCH in the current NR system does not support higher-order modulation, so that the throughput is limited in the application scenario of high signal-to-noise ratio, and the terminal's performance on the PUSCH is significantly improved. modulation capability, thereby improving communication efficiency.

An embodiment of the present application further provides a network side device, including a processor and a communication interface, where the communication interface is used to send uplink modulation and coding strategy MCS indication information to a terminal. This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

Specifically, an embodiment of the present application further provides a network side device. As shown in FIG. 8 , the network side device 800 includes: an antenna 81 , a radio frequency device 82 , and a baseband device 83 . The antenna 81 is connected to the radio frequency device 82 . In the uplink direction, the radio frequency device 82 receives information through the antenna 81, and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82 , and the radio frequency device 82 processes the received information and sends it out through the antenna 81 .

The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 83 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 83 . The baseband apparatus 83 includes a processor 84 and a memory 85 .

The baseband device 83 may include, for example, at least one baseband board on which a plurality of chips are arranged. As shown in FIG. 8 , one of the chips is, for example, the processor 84 and is connected to the memory 85 to call the program in the memory 85 to execute The network-side device shown in the above method embodiments operates.

The baseband device 83 may further include a network interface 86 for exchanging information with the radio frequency device 82, and the interface is, for example, a common public radio interface (CPRI for short).

Specifically, the network-side device in the embodiment of the present invention further includes: instructions or programs stored on the memory 85 and executable on the processor 84, and the processor 84 invokes the instructions or programs in the memory 85 to execute the modules shown in FIG. 5 . The implementation method and achieve the same technical effect, in order to avoid repetition, it is not repeated here.

Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned method embodiment for transmitting uplink MCS indication information is implemented, And can achieve the same technical effect, in order to avoid repetition, it is not repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used for running a program or an instruction to realize the above-mentioned transmission of uplink MCS indication information. Each process of the method embodiment can achieve the same technical effect, and in order to avoid repetition, it will not be repeated here.

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

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present application can be embodied in the form of computer software products that are essentially or contribute to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network side device, etc.) execute the methods described in the various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims

A method for transmitting uplink MCS indication information, comprising:

The terminal receives the uplink modulation and coding strategy MCS indication information sent by the network side device;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the uplink traffic channel PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

The 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the network side device according to the configuration information of the PUSCH through the first high-level signaling.
The method for transmitting uplink MCS indication information according to claim 1, wherein,

In the case where the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by the CS-RNTI for PDCCH scheduling or the PUSCH is transmitted through the configuration grant, the Methods also include:

receiving, by the terminal, second indication information sent by the network side device through the medium access control MAC control unit CE or downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The method for transmitting uplink MCS indication information according to claim 1, wherein,

In the case that the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration authorization,

The method also includes:

receiving, by the terminal, second indication information sent by the network side device through MAC CE or DCI, where the second indication information is used to indicate a second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The method for transmitting uplink MCS indication information according to any one of claims 1 to 3, wherein before the terminal receives the first indication information, the method further comprises:

The terminal sends capability information to the network-side device, where the capability information indicates whether the terminal supports the capability of performing 1024 quadrature amplitude modulation on the PUSCH;

Wherein, the terminal sends the capability information in one or more of the following ways:

Transmission precoding disabled and transmission coding enabled are sent separately;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.
The method for transmitting uplink MCS indication information according to any one of claims 1 to 3, wherein the method further comprises:

In the case that 0≤IMCS≤26, transmission precoding is not enabled, and the terminal uses the 1024QAM MCS table, the terminal determines the transport block size TBS according to the target rule;

In the case of 27≤IMCS≤31, transmission precoding is not enabled and the terminal uses the 1024QAM MCS table, or in the case of 27≤IMCS≤31, transmission precoding is enabled and the terminal uses the 1024QAM MCS table In this case, the terminal determines the TBS according to the DCI of the latest PDCCH transmission for the same transport block of 0≤IMCS≤26;

At 27≤IMCS≤31, transmit precoding enabled, the terminal uses the 1024QAM MCS table, the DCI for the most recent PDCCH transmission for the same transport block with 0≤IMCS≤26 does not exist and is used for the same transport block In the case where the PUSCH is the PUSCH of the configuration grant, the terminal determines the TBS corresponding to the PUSCH of the configuration grant type 1 according to the configuredGrantConfig configuration set, and determines the TBS corresponding to the PUSCH of the configuration grant type 2 according to the last scheduled PDCCH;

The IMCS is the MCS level of the PUSCH.
The method for transmitting uplink MCS indication information according to any one of claims 1 to 3, wherein the method further comprises:

The mcs-Table parameter or mcs-TableDCI-0-2 parameter or mcs-TableTransformPrecoder parameter or mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set of at least one uplink subset bandwidth ULBWP in the current serving cell is configured as qam1024 case, or,

When the mcs-Table parameter or the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set of at least one ULBWP in the current serving cell is configured as qam1024,

The terminal determines that the maximum modulation order of the PUSCH is 10.
The method for transmitting uplink MCS indication information according to any one of claims 1 to 3, wherein the method further comprises:

In the case of using the 1024QAM MCS form, the terminal performs the following operations:

Determine the value of the parameter ptrs-MCSi,i=1,2,3 in the PTRS-UplinkConfig configuration set to be 0-27; and

When the PUSCH scheduled to be transmitted by the terminal is used for retransmission, it is determined that IMCS>V, and the MCS used to determine the time density of the phase tracking reference signal PT-RS is determined according to the DCI of the same transmission block with IMCS≤V in the initial transmission ;

Wherein, IMCS is the MCS level of PUSCH, and V=26.
A method for transmitting uplink MCS indication information, comprising:

The network side device sends the uplink modulation and coding strategy MCS indication information to the terminal;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the uplink traffic channel PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

The 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the network side device according to the configuration information of the PUSCH through the first high layer signaling.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network side device sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is not enabled, the mcs-TableDCI-0-2 parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP- The CSI-RNTI performs CRC scrambled physical downlink control channel PDCCH scheduling of DCI format 0_2.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network side device sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is not enabled, the mcs-Table parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and PUSCH is performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling of CRC scrambled DCI format 0_2.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network side device sends the first indication information through the first high layer signaling, comprising:

In the case where transmission precoding is not enabled, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by CS-RNTI for PDCCH scheduling or PUSCH Authorize the transport by configuring it.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network-side device sending the first indication information through the first higher layer signaling comprises: when transmission precoding is enabled , the mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is CRC-scrambled by C-RNTI or SP-CSI-RNTI The DCI format PDCCH scheduling of 0_2.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network side device sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is CRC performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling for scrambled DCI format 0_2.
The method for transmitting uplink MCS indication information according to claim 8, wherein, according to the configuration information of the PUSCH, the network side device sends the first indication information through the first higher layer signaling comprising:

When transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH passes through Configure authorized transport.
The method for transmitting uplink MCS indication information according to claim 11, wherein the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC performed by CS-RNTI In the case of scrambled PDCCH scheduling or PUSCH transmission through configuration grants,

The method also includes:

The network side device sends second indication information to the terminal through the medium access control MAC control unit CE or the downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The method for transmitting uplink MCS indication information according to claim 14, wherein,

In the case that the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration authorization,

The method also includes:

The network side device sends second indication information to the terminal through MAC CE or DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The method for transmitting uplink MCS indication information according to any one of claims 8 to 16, wherein before the network side device sends the first indication information to the terminal, the method further comprises:

receiving, by the network side device, capability information sent by the terminal, where the capability information indicates whether the terminal supports the capability of performing 1024 quadrature amplitude modulation on the PUSCH;

Wherein, the terminal sends the capability information in one or more of the following ways:

Transmission precoding disabled and transmission coding enabled are sent separately;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.
A device for transmitting uplink MCS indication information, comprising:

a receiving module, configured to receive the uplink modulation and coding strategy MCS indication information sent by the network side device;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the uplink traffic channel PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

The 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the network side device according to the configuration information of the PUSCH through the first high-level signaling.
The device for transmitting uplink MCS indication information according to claim 18, wherein,

In the case where the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by the CS-RNTI for PDCCH scheduling or the PUSCH is transmitted through the configuration grant,

The receiving module is also used for:

receiving second indication information sent by the network side device through the medium access control MAC control unit CE or downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The device for transmitting uplink MCS indication information according to claim 18, wherein,

In the case that the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration authorization,

The receiving module is also used for:

receiving second indication information sent by the network side device through MAC CE or DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The apparatus for transmitting uplink MCS indication information according to any one of claims 18 to 20, further comprising a sending module configured to send capability information to the network side device, the capability information indicating whether the terminal supports the PUSCH 1024 quadrature amplitude modulation capability;

Wherein, the sending module sends the capability information in one or more of the following ways:

Transmission precoding disabled and transmission coding enabled are sent separately;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.
The device for transmitting uplink MCS indication information according to any one of claims 18 to 20, further comprising a TBS determination module for:

In the case where 0≤IMCS≤26, transmission precoding is not enabled, and the terminal uses the 1024QAM MCS table, determine the transport block size TBS according to the target rule;

In the case of 27≤IMCS≤31, transmission precoding is not enabled and the terminal uses the 1024QAM MCS table, or in the case of 27≤IMCS≤31, transmission precoding is enabled and the terminal uses the 1024QAM MCS table In the case, the TBS is determined according to the DCI of the most recent PDCCH transmission for the same transport block with 0≤IMCS≤26;

At 27≤IMCS≤31, transmit precoding enabled, the terminal uses the 1024QAM MCS table, the DCI for the most recent PDCCH transmission for the same transport block with 0≤IMCS≤26 does not exist and is used for the same transport block In the case where the PUSCH is the PUSCH of the configuration authorization, the TBS corresponding to the PUSCH of the configuration authorization type 1 is determined according to the configuredGrantConfig configuration set, and the TBS corresponding to the PUSCH of the configuration authorization type 2 is determined according to the last scheduled PDCCH;

The IMCS is the MCS level of the PUSCH.
The device for transmitting uplink MCS indication information according to any one of claims 18 to 20, further comprising a modulation order determination module for:

The mcs-Table parameter or mcs-TableDCI-0-2 parameter or mcs-TableTransformPrecoder parameter or mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set of at least one uplink subset bandwidth ULBWP in the current serving cell is configured as qam1024 case, or,

When the mcs-Table parameter or the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set of at least one ULBWP in the current serving cell is configured as qam1024,

The maximum modulation order of PUSCH is determined to be 10.
The apparatus for transmitting uplink MCS indication information according to any one of claims 18 to 20, further comprising a PT-RS determination module for:

Using the 1024QAM MCS form, do the following:

Determine the value of the parameter ptrs-MCSi,i=1,2,3 in the PTRS-UplinkConfig configuration set to be 0-27; and

When the PUSCH scheduled to be transmitted by the terminal is used for retransmission, it is determined that IMCS>V, and the MCS used to determine the time density of the phase tracking reference signal PT-RS is determined according to the DCI of the same transmission block with IMCS≤V in the initial transmission ;

Wherein, IMCS is the MCS level of PUSCH, and V=26.
A device for transmitting uplink MCS indication information, comprising:

a sending module, configured to send uplink modulation and coding strategy MCS indication information to the terminal;

Wherein, the uplink MCS indication information includes indication information for determining the target MCS level of the uplink traffic channel PUSCH, and the target MCS level is the corresponding MCS level in the 1024 quadrature amplitude modulation QAM MCS table;

Wherein, the 1024QAM MCS table is determined by the terminal after receiving the first indication information sent by the sending module according to the configuration information of the PUSCH through the first high-level signaling.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is not enabled, the mcs-TableDCI-0-2 parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP- The CSI-RNTI performs CRC scrambled physical downlink control channel PDCCH scheduling of DCI format 0_2.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is not enabled, the mcs-Table parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and PUSCH is performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling of CRC scrambled DCI format 0_2.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is not enabled, the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by CS-RNTI for PDCCH scheduling or PUSCH Authorize the transport by configuring it.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is enabled, the mcs-TableTransformPrecoderDCI-0-2 parameter in the pusch-Config configuration set carried in the first higher layer signaling is configured as qam1024, and the PUSCH is configured by C-RNTI or SP-CSI. - PDCCH scheduling of DCI format 0_2 with CRC scrambled by RNTI.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

When transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the pusch-Config configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is CRC performed by C-RNTI or SP-CSI-RNTI PDCCH scheduling for scrambled DCI format 0_2.
The apparatus for transmitting uplink MCS indication information according to claim 25, wherein the sending module, according to the configuration information of the PUSCH, sends the first indication information through the first higher layer signaling comprising:

In the case where transmission precoding is enabled, the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-layer signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH passes through Configure authorized transport.
The device for transmitting uplink MCS indication information according to claim 28, wherein the sending module is further configured to:

In the case where the mcs-Table parameter in the configuredGrantConfig configuration set carried in the first higher layer signaling is set to qam1024, and the PUSCH is CRC-scrambled by the CS-RNTI for PDCCH scheduling or the PUSCH is transmitted through the configuration grant,

Send second indication information to the terminal through the medium access control MAC control unit CE or downlink control information DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The device for transmitting uplink MCS indication information according to claim 31, wherein the sending module is further configured to:

In the case that the mcs-TableTransformPrecoder parameter in the configuredGrantConfig configuration set carried in the first high-level signaling is configured as qam1024, and the PUSCH is scheduled by the PDCCH scrambled by the C-RNTI or the PUSCH is transmitted through the configuration authorization,

sending second indication information to the terminal through MAC CE or DCI, where the second indication information is used to indicate the second MCS table for encoding the PUSCH;

Wherein, the second MCS form includes any of the following:

64QAM MCS form, 256QAM MCS form and 1024QAM MCS form.
The device for transmitting uplink MCS indication information according to any one of claims 25 to 33, further comprising a receiving module for:

receiving capability information sent by the terminal, where the capability information indicates whether the terminal supports the capability of performing 1024 quadrature amplitude modulation on the PUSCH;

Wherein, the terminal sends the capability information in one or more of the following ways:

Transmission precoding disabled and transmission coding enabled are sent separately;

DCI format 0_1 and DCI format 0_2 are sent separately;

Type 1 CG and Type 2 CG are sent separately.
A terminal, comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor to implement any one of claims 1 to 7. One of the steps of the method for transmitting uplink MCS indication information.
A network-side device, comprising a processor, a memory, and a program or instruction stored on the memory and running on the processor, the program or instruction being executed by the processor to achieve the steps of claims 8 to 8 Steps of the method for transmitting uplink MCS indication information described in any one of 17.
A readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by the processor, the method for transmitting the uplink MCS indication information according to any one of claims 1 to 7 is implemented. step, or a step of implementing the method for transmitting uplink MCS indication information according to any one of claims 8 to 17.
A chip, comprising a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used for running a program or an instruction to realize the transmission uplink MCS indication information as described in any one of claims 1 to 7 The steps of the method, or the steps of implementing the method for transmitting uplink MCS indication information according to any one of claims 8 to 17.