WO2022028603A1

WO2022028603A1 - Data transmission method and apparatus, and electronic device

Info

Publication number: WO2022028603A1
Application number: PCT/CN2021/111298
Authority: WO
Inventors: 吴昱民
Original assignee: 维沃移动通信有限公司
Priority date: 2020-08-06
Filing date: 2021-08-06
Publication date: 2022-02-10
Also published as: CN114071762A

Abstract

Disclosed are a data transmission method and apparatus, and an electronic device, which belong to the technical field of communications. The data transmission method comprises: when sending specific data, a terminal changing the sending priority of the specific data and/or specific control signaling.

Description

Data transmission method, device and electronic device

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 202010784960.7 filed in China on Aug. 6, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the field of communication technologies, and in particular, to a data transmission method, apparatus, and electronic device.

Background technique

When an inactive terminal (User Equipment, UE) triggers small data transmission, due to the current protocol agreement, a specific MAC control element (Control Element, CE) (eg, Buffer Status Report (BSR)) or Power Headroom Report (PHR)) will be placed in the uplink resource prior to the data for transmission. Therefore, when the uplink transmission resource is relatively small, the small data may not be placed in the uplink transmission resource. , causing the small data to fail to be sent.

SUMMARY OF THE INVENTION

The embodiments of the present application provide a data transmission method, apparatus, and electronic device, which can improve the success rate of data transmission.

In a first aspect, an embodiment of the present application provides a data transmission method, the method comprising:

When sending specific data, the terminal changes the sending priority of the specific data and/or specific control signaling.

In a second aspect, an embodiment of the present application provides a data transmission device, and the device includes:

The processing module is configured to change the sending priority of the specific data and/or the specific control signaling when sending specific data.

In a third aspect, an embodiment of the present application further provides an electronic device, including a processor, a memory, and a program or instruction stored in the memory and executable on the processor, the program or instruction being The processor, when executed, implements the steps of the method as described above.

In a fourth aspect, an embodiment of the present application provides 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, the steps of the above method are implemented.

In a fifth aspect, an embodiment of the present application provides a chip, 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, and implement the first aspect the method described.

In this embodiment of the present application, when sending specific data, the terminal can change the sending priority of the specific data and/or the specific control signaling, so that when the terminal sends uplink data in a direct data transmission manner, the data transmission rate can be improved. Sending priority and/or lowering the sending priority of specific control signaling to preferentially send data to network side devices, thereby improving the success rate of data sending.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application. , for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

1 shows a schematic diagram of a wireless communication system;

2 shows a schematic flowchart of a data transmission method according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present application;

FIG. 4 shows a schematic diagram of the composition of a terminal according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely 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, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work, all belong to the scope of protection 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 data so used may be interchanged under appropriate circumstances so that embodiments of the application can be practiced in sequences other than those illustrated or described herein. 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.

The techniques described herein are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-A) systems, and can also be used in various wireless communication systems such as Code Division Multiple Access (Code Division Multiple Access) Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), single carrier frequency Division Multiple Access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) and other systems. The terms "system" and "network" are often used interchangeably. A CDMA system may implement radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA). UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants. A TDMA system may implement a radio technology such as the Global System for Mobile Communication (GSM). OFDMA system can realize such as UltraMobile Broadband (UMB), Evolution-UTRA (Evolution-UTRA, E-UTRA), IEEE802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. radio technology. UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (eg LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project" (3GPP). CDMA2000 and UMB are described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2). The techniques described herein may be used for both the systems and radio technologies mentioned above, as well as for other systems and radio technologies. However, the following description describes an NR system for example purposes, and NR terminology is used in much of the following description, although these techniques are also applicable to applications other than NR system applications.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

Referring to FIG. 1 , FIG. 1 shows a block diagram of a wireless communication system to which the embodiments 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 Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (Personal Digital Assistant) , PDA), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device and other terminal-side devices, it should be noted that the specific type of the terminal 11 is not limited in the embodiments of this application . The network side device 12 may be a base station or a core network, wherein the above-mentioned base station may be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, WLAN access point) , or other access points, etc.), or a location server (for example: E-SMLC or LMF (Location Manager Function)), where the base station may be referred to as Node B, Evolved Node B, Access Point, Base Transceiver Station (Base Transceiver Station, BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home B Node, home evolved Node B, WLAN access point, WiFi node 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 vocabulary, it should be noted that in this Only the base station in the NR system is used as an example in the embodiment of the application, but the embodiment of the application does not limit the specific type of the base station and the specific communication system.

An embodiment of the present application provides a data transmission method, as shown in FIG. 2 , including:

Step 101: When sending specific data, the terminal changes the sending priority of the specific data and/or specific control signaling.

In this embodiment of the present application, sending specific data may refer to sending specific data by a terminal in an idle (idle) state or in an inactive (inactive) state.

It is worth noting that the above data may be uplink data sent in a direct data transmission manner, or may be uplink data sent in other manners. When there is data to be sent, the terminal can change the sending priority of data and/or specific control signaling according to the configuration of the network side device or the agreement to ensure the success rate of data or specific control signaling.

It should be noted that when the UE is in an idle state or an inactive state, it can directly send data to the network side in the following ways:

(1) Msg3 of the 4-step random access procedure of the initial access;

(2) MsgA of the 2-step random access procedure of initial access;

(3) Dedicated Physical Uplink Shared Channel (PUSCH) resources configured by network side equipment, including pre-configured (pre-configured) PUSCH; or, pre-allocated uplink resources (Preallocated Uplink Resource, PUR) .

In addition, the network side can directly send data to the UE in the following ways:

(1) Msg4 of the 4-step random access procedure of the initial access;

(2) MsgB of the 2-step random access procedure of initial access;

(3) Downlink feedback resources corresponding to the dedicated uplink resources configured by the network side device.

Before sending data, the terminal may receive the reservation configuration context indication information sent by the network side device, the indication information instructs the UE to retain its context configuration, such as data radio bearer (data radio bearer, DRB) configuration and security configuration. The context configuration is used for the UE to resume connection and/or resume data transmission and reception. For example, the network side device sends the suspend (suspend) indication information in the Radio Resource Control (Radio Resource Control, RRC) release (Release) message, and when the connected state (connected) UE is released to the idle and/or/inactive state, This context configuration can be used for the UE to resume connection and/or resume data transceiving.

In some embodiments, the method further includes:

Obtain the configuration information of the network-side device configuration or the direct data transmission mode agreed in the protocol, where the configuration information includes at least one of the following:

direct data transmission;

Bearer indication using direct data transmission.

In some embodiments, the specific data is data corresponding to the bearer indication sent by using direct data. In this way, when the terminal uses the direct data transmission method to send uplink data, the priority of data transmission can be increased and/or the transmission priority of specific control signaling can be lowered, and the data can be preferentially sent to the network side device, thereby improving the success of data transmission. Rate. In a specific example, the network side device configures DRB-1 to use a direct data transmission mode, then when DRB-1 has data to transmit, the UE changes the transmission priority of the DRB-1 data and specific control signaling.

In some embodiments, the direct data sending manner includes at least one of the following:

Send data in Msg3 using 4-step random access procedure;

Send data in MsgA using 2-step random access procedure;

The data is sent in the dedicated physical uplink shared channel PUSCH resource configured by the network side device.

In some embodiments, the bearer indication sent by direct data includes at least one of the following:

A bearer type that uses direct data transmission;

Use the bearer identification for direct data transmission.

The above-mentioned bearer instructs the terminal to determine whether the data to be sent is data sent in a direct data sending manner.

In some embodiments, the bearer type using direct data transmission includes at least one of the following:

Master Cell Group (MCG) DRB;

Secondary Cell Group (SCG) DRB;

MCG split (Split) DRB;

SCG Split DRB.

Among them, MCG Split DRB also means that the packet data convergence protocol (Packet Data Convergence Protocol, PDCP) is carried in MCG, and the two radio link layer control protocols (Radio Link Control, RLC) carried are in MCG and SCG respectively; SCG Split The DRB also means that the borne PDCP is in the SCG, and the 2 RLCs borne are in the MCG and the SCG, respectively.

In some embodiments, the bearer identifier sent by direct data includes at least one of the following:

DRB logo;

Quality of service flow (QoS flow) identification;

Protocol data unit (Protocol Data Unit, PDU) session (session) identifier;

Cell group identifier, such as MCG or SCG.

In some embodiments, the changing of the sending priority of the specific data and/or the specific control signaling by the terminal includes:

The terminal changes the sending priority of the specific data and/or specific control signaling when the specific data satisfies a preset restriction condition for direct data transmission, where the restriction condition is a network-side device configuration or a protocol agreement .

In some embodiments, the restriction condition includes that the data size of the specific data is less than or equal to a first threshold. For example, if the restriction condition for direct data transmission configured by the network side device is that the size of the transmitted data is less than or equal to 10 bytes, and the size of the transmitted data of the UE's DRB-1 is 8 bytes, the UE can trigger direct data transmission. At this time, the UE may change the transmission priority of the data and specific control signaling.

In some embodiments, the specific control signaling includes at least one of the following:

BSR;

PHR.

Of course, the specific control signaling is not limited to BSR or PHR, and can also be other control signaling that requires lower delay.

In some embodiments, the changing of the sending priority of the specific data and/or the specific control signaling by the terminal includes any of the following:

Change the sending priority of the specific control signaling to be lower than the sending priority of the specific data. For example, the channel multiplexing priority of the BSR or PHR can be changed to be lower than the uplink data channel (for example, the uplink dedicated service). the priority of the channel (UL-DTCH);

The specific control signaling is not reported.

In some embodiments, if the sending priority of the specific control signaling is changed to be lower than the sending priority of the specific data, the specific data includes any of the following:

The channel configured by the network side device, such as changing the channel multiplexing priority of BSR or PHR to a priority lower than that of the uplink data channel of DRB-1;

For a channel that triggers the direct data transmission mode, for example, the data arrival of DRB-1 triggers the direct data transmission mode, then the channel multiplexing priority of BSR or PHR is lower than that of the uplink data channel of DRB-1.

In some embodiments, the specific control signaling is not reported under the condition that a first condition is satisfied, where the first condition is specified by the network side device configuration or the protocol.

In some embodiments, if the specific control signaling is a BSR, under the condition that the first condition is satisfied, the specific control signaling not to be reported includes any of the following:

If the total uplink data volume is less than or equal to the first threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported;

If the uplink data volume of the first channel is greater than or equal to the second threshold value specified by the network-side device configuration or the protocol, the reporting of BSR is prohibited. The first channel is the channel that triggers the direct data transmission mode. For example, in a specific example , the buffer size (buffer size) counted in the BSR is less than or equal to 100 bytes, and the BSR is prohibited from being reported;

If the uplink data volume of the second channel is less than or equal to the third threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported, and the second channel is another channel except the first channel;

If the size of the BSR cannot be accommodated after subtracting the second data amount from the first data amount, reporting the BSR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the control signaling, wherein the control signaling can be an RRC message or a MAC CE;

If the channel reporting the BSR is not the channel that triggers the direct data transmission mode, the reporting of the BSR is prohibited;

If the channel that reports the BSR is a channel that triggers the direct data transmission mode, it is forbidden to report the BSR.

In addition, if the total uplink data volume is greater than or equal to the first threshold value stipulated by the network side device configuration or the protocol, the BSR is allowed to be reported;

If the uplink data volume of the first channel is less than or equal to the second threshold value specified by the network side device configuration or the protocol, the BSR is allowed to be reported, and the first channel is the channel that triggers the direct data transmission mode;

If the uplink data volume of the second channel is greater than or equal to the third threshold value specified by the network side device configuration or the protocol, the BSR is allowed to be reported, and the second channel is another channel except the first channel;

If the size of the BSR can be accommodated after subtracting the second data amount from the first data amount, the BSR is allowed to be reported, and the first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data and control signaling sent in the direct data transmission mode.

In some embodiments, if the specific control signaling is PHR, the not reporting the specific control signaling when the first condition is satisfied includes any of the following:

If the size of the PHR cannot be accommodated after subtracting the second data amount from the first data amount, reporting of the PHR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the control signaling, wherein the control signaling can be an RRC message or a MAC CE;

If the change value of the path loss measurement of the current cell is greater than or equal to the fourth threshold value, and the change value of the path loss measurement of the current cell is less than or equal to the fifth threshold value, it is forbidden to report the PHR, where the fourth The threshold value or the fifth threshold value is specified by the network side device configuration or protocol.

In addition, if the size of the PHR can be accommodated after subtracting the second data amount from the first data amount, and the PHR is allowed to be reported, the first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode, and the The second data volume is the data volume sent by the direct data transmission mode and the data volume of the control signaling, wherein the control signaling can be an RRC message or a MAC CE;

If the change value of the path loss measurement of the current cell is greater than or equal to the fourth threshold, and the change value of the path loss measurement of the current cell is greater than or equal to the fifth threshold, it is allowed to report the PHR, where the fourth The threshold value or the fifth threshold value is specified by the network side device configuration or protocol.

In some embodiments, after the terminal changes the sending priority of the specific data and/or the specific control signaling, the method further includes:

The sending priority of the specific control signaling is restored, or the specific control signaling is restored according to the configuration of the network side device or the second condition agreed in the protocol. In a specific example, the specific control signaling is MAC CE, then when the second condition is satisfied, the regular reporting of MAC CE can be resumed, and the reporting of MAC CE is no longer prohibited, or the priority of MAC CE can be restored to be higher than data The priority of the channel.

In some embodiments, the second condition includes any of the following:

The process of direct data transmission is successfully completed;

The terminal enters the connected state or the idle state;

The terminal releases its saved configuration context.

After the process of the direct data transmission mode is successfully completed, the control signaling will no longer affect the transmission of the uplink data sent by the direct data transmission mode. Therefore, after the process of the direct data transmission mode is successfully completed, the Send priority of specific control signaling or resume reporting of the specific control signaling; in addition, after the terminal enters the connected state or idle state, the control signaling will no longer affect the transmission of uplink data, so the terminal can enter the connected state. or after the idle state, restore the sending priority of the specific control signaling or resume reporting the specific control signaling; after the terminal releases its saved configuration context, the control signaling will no longer affect the direct data transmission mode. Therefore, after the terminal releases its saved configuration context, it can restore the sending priority of the specific control signaling or resume reporting the specific control signaling.

In some embodiments, the successful completion of the process of the direct data transmission manner includes any of the following:

The random access procedure is successfully completed;

After the dedicated physical uplink shared channel resource sends data, it receives feedback information from the network side device confirming the successful reception.

It is worth noting that the prohibition of reporting the control signaling in this embodiment includes the following situations: (1) the control signaling can be triggered, but the reporting of the control signaling is prohibited; (2) the triggering of the control signaling is prohibited.

It should be noted that, in the data transmission method provided by the embodiments of the present application, the execution body may be a data transmission device, or a module in the data transmission device for executing the method for loading the data transmission. In the embodiment of the present application, the data transmission method provided by the embodiment of the present application is described by taking the data transmission apparatus executing the loaded data transmission method as an example.

An embodiment of the present application provides a data transmission apparatus, which is applied to the terminal 300. As shown in FIG. 3, the apparatus includes:

The processing module 310 is configured to change the sending priority of the specific data and/or the specific control signaling when sending specific data.

In some embodiments, the apparatus further includes:

an acquisition module, configured to acquire the configuration information of the network side device configuration or the direct data transmission mode agreed in the protocol, and the configuration information includes at least one of the following:

direct data transmission;

Bearer indication using direct data transmission.

In some embodiments, the specific data is data corresponding to the bearer indication sent by using direct data.

Send data in Msg3 using 4-step random access procedure;

Send data in MsgA using 2-step random access procedure;

Data is sent in the dedicated physical uplink shared channel resources configured by the network side device.

A bearer type that uses direct data transmission;

Use the bearer identification for direct data transmission.

MCG DRB;

SCG DRB;

MCG Split DRB;

SCG Split DRB.

DRB logo;

QoS flow identifier;

PDU session identifier;

Cell group ID.

In some embodiments, the processing module is specifically configured to change the sending priority of the specific data and/or the specific control signaling when the specific data meets a preset restriction condition for direct data transmission, and the restriction The condition is the device configuration or protocol agreement on the network side.

In some embodiments, the restriction condition includes that the data size of the specific data is less than or equal to a first threshold.

BSR;

PHR.

In some embodiments, the processing module is specifically configured to execute any of the following:

changing the sending priority of the specific control signaling to be lower than the sending priority of the specific data;

The specific control signaling is not reported.

The channel configured by the network side device;

Channels that trigger direct data transmission.

In some embodiments, the processing module does not report the specific control signaling under the condition that the network-side device configuration or the first condition stipulated in the protocol is satisfied.

In some embodiments, if the specific control signaling is a BSR, under the condition that the first condition is met, the specific control signaling not to be reported includes any of the following:

If the uplink data volume of the first channel is greater than or equal to the second threshold value specified by the network side device configuration or the protocol, reporting the BSR is prohibited, and the first channel is the channel that triggers the direct data transmission mode;

If the size of the BSR cannot be accommodated after subtracting the second data amount from the first data amount, reporting the BSR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

If the size of the PHR cannot be accommodated after subtracting the second data amount from the first data amount, reporting of the PHR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

In some embodiments, the processing module is further configured to restore the sending priority of the specific control signaling, or restore the reporting of the specific control signaling, according to the network side device configuration or the second condition agreed in the protocol.

In some embodiments, the second condition includes any of the following:

The process of direct data transmission is successfully completed;

The terminal enters the connected state or the idle state;

The terminal releases its saved configuration context.

The random access procedure is successfully completed;

The data transmission device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The apparatus may be a mobile electronic device or a non-mobile electronic device. Exemplarily, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant). assistant, PDA), etc., the non-mobile electronic device may be a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., the embodiment of the present application There is no specific limitation.

The data transmission device in this embodiment of the present application may be a device with 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.

Optionally, an embodiment of the present application further provides an electronic device, including a processor, a memory, a program or an instruction stored in the memory and executable on the processor, and the program or instruction is executed by the processor to implement the above. The various processes of the embodiments of the data transmission method can achieve the same technical effect, and are not repeated here in order to avoid repetition.

It should be noted that the electronic devices in the embodiments of the present application include the aforementioned mobile electronic devices and non-mobile electronic devices.

The electronic device in this embodiment may be a terminal. 4 is a schematic diagram of the hardware structure of a terminal implementing various embodiments of the present application. The terminal 50 includes but is not limited to: a radio frequency unit 51, a network module 52, an audio output unit 53, an input unit 54, a sensor 55, a display unit 56, The user input unit 57 , the interface unit 58 , the memory 59 , the processor 510 , and the power supply 511 and other components. Those skilled in the art can understand that the terminal structure shown in FIG. 4 does not constitute a limitation on the terminal, and the terminal may include more or less components than the one shown, or combine some components, or arrange different components. In the embodiments of the present application, the terminals include but are not limited to mobile phones, tablet computers, notebook computers, handheld computers, vehicle-mounted terminals, wearable devices, and pedometers.

It should be understood that, in this embodiment of the present application, the radio frequency unit 51 may be used for receiving and sending signals in the process of sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; The uplink data is sent to the base station. Generally, the radio frequency unit 51 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. In addition, the radio frequency unit 51 can also communicate with the network and other devices through a wireless communication system.

The memory 59 may be used to store software programs as well as various data. The memory 59 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc. Additionally, memory 59 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 510 is the control center of the terminal, uses various interfaces and lines to connect various parts of the entire terminal, and executes by running or executing the software programs and/or modules stored in the memory 59, and calling the data stored in the memory 59. Various functions of the terminal and processing data, so as to monitor the terminal as a whole. The processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.

The terminal 50 may also include a power supply 511 (such as a battery) for supplying power to various components. Preferably, the power supply 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. Features.

In addition, the terminal 50 includes some unshown functional modules, which are not repeated here.

Wherein, the processor 510 is configured to change the sending priority of the specific data and/or the specific control signaling when sending specific data.

In some embodiments, the processor 510 is further configured to obtain the configuration information of the network-side device configuration or the direct data transmission mode agreed in the protocol, where the configuration information includes at least one of the following:

direct data transmission;

Bearer indication using direct data transmission.

Send data in Msg3 using 4-step random access procedure;

Send data in MsgA using 2-step random access procedure;

Data is sent in the dedicated physical uplink shared channel resource configured by the network side device.

A bearer type that uses direct data transmission;

Use the bearer identification for direct data transmission.

MCG DRB;

SCG DRB;

MCG Split DRB;

SCG Split DRB.

DRB logo;

QoS flow identifier;

PDU session identifier;

Cell group ID.

In some embodiments, the processor 510 is specifically configured to change the sending priority of the specific data and/or the specific control signaling when the specific data meets a preset restriction condition for direct data transmission, and the restriction condition is Configuration or protocol agreement for network-side devices.

BSR;

PHR.

In some embodiments, the processor 510 is specifically configured to execute any of the following:

The specific control signaling is not reported.

The channel configured by the network side device;

Channels that trigger direct data transmission.

In some embodiments, the processor 510 is specifically configured to not report the specific control signaling under the condition that the first condition stipulated by the network side device configuration or the protocol is satisfied.

If the size of the BSR cannot be accommodated after subtracting the second data amount from the first data amount, reporting the BSR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of data sent by direct data transmission and control signaling (such as BSR);

In some embodiments, if the specific control signaling is PHR, under the condition that the first condition is met, the specific control signaling not to be reported includes any of the following:

If the size of the PHR cannot be accommodated after subtracting the second data amount from the first data amount, reporting of the PHR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of data sent by direct data transmission and control signaling (such as PHR);

In some embodiments, the processor 510 is further configured to restore the sending priority of the specific control signaling, or restore the reporting of the specific control signaling, according to the network-side device configuration or the second condition agreed in the protocol.

In some embodiments, the second condition includes any of the following:

The process of direct data transmission is successfully completed;

The terminal enters the connected state or the idle state;

The terminal releases its saved configuration context.

The random access procedure is successfully completed;

The 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 embodiment of the data transmission method is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.

Wherein, the processor is the processor in the electronic device described in the foregoing embodiments. 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 configured to run a program or an instruction to implement the above-mentioned embodiments of the data transmission method and can achieve the same technical effect, 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-a-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 a non-exclusive inclusion such that a process, method, article or device comprising a series of elements does not include 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 solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is 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 device, etc.) execute the methods described in the various embodiments of this 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 of data transmission, comprising:

When sending specific data, the terminal changes the sending priority of the specific data and/or specific control signaling.
The data transmission method according to claim 1, further comprising:

Obtain the configuration information of the network-side device configuration or the direct data transmission mode agreed in the protocol, where the configuration information includes at least one of the following:

direct data transmission;

Bearer indication using direct data transmission.
The data transmission method according to claim 2, wherein the specific data is the data corresponding to the bearer indication sent by the direct data transmission.
The data transmission method according to claim 2, wherein the direct data transmission method comprises at least one of the following:

Send data in Msg3 using 4-step random access procedure;

Send data in MsgA using 2-step random access procedure;

Data is sent in the dedicated physical uplink shared channel resource configured by the network side device.
The data transmission method according to claim 2, wherein the bearer indication sent by direct data includes at least one of the following:

A bearer type that uses direct data transmission;

Use the bearer identification for direct data transmission.
The data transmission method according to claim 5, wherein the bearer type using direct data transmission comprises at least one of the following:

Main cell group MCG data radio bearer DRB;

Secondary cell group SCG DRB;

MCG separates Split DRB;

SCG Split DRB.
The data transmission method according to claim 5, wherein the bearer identifier sent by direct data transmission includes at least one of the following:

DRB logo;

Quality of service flow QoS flow identifier;

Protocol data unit PDU session session identifier;

Cell group ID.
The data transmission method according to claim 1, wherein changing the sending priority of the specific data and/or the specific control signaling by the terminal comprises:

The terminal changes the sending priority of the specific data and/or specific control signaling when the specific data satisfies a preset restriction condition for direct data transmission, where the restriction condition is a network-side device configuration or a protocol agreement .
The data transmission method according to claim 8, wherein the restriction condition includes that a data size of the specific data is less than or equal to a first threshold.
The data transmission method according to claim 1, wherein the specific control signaling includes at least one of the following:

buffer status report BSR;

Power headroom reports PHR.
The data transmission method according to claim 1, wherein the changing of the sending priority of the specific data and/or the specific control signaling by the terminal comprises any one of the following:

changing the sending priority of the specific control signaling to be lower than the sending priority of the specific data;

The specific control signaling is not reported.
The data transmission method according to claim 11, wherein if the transmission priority of the specific control signaling is changed to be lower than the transmission priority of the specific data, the specific data includes any one of the following:

The channel configured by the network side device;

Channels that trigger direct data transmission.
The data transmission method according to claim 11, wherein the specific control signaling is not reported when a first condition is satisfied, wherein the first condition is specified by a network side device configuration or a protocol.
The data transmission method according to claim 13, wherein, if the specific control signaling is a BSR, under the condition that the first condition is satisfied, the specific control signaling not to be reported includes any one of the following:

If the total uplink data volume is less than or equal to the first threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported;

If the uplink data volume of the first channel is greater than or equal to the second threshold value specified by the network side device configuration or the protocol, reporting the BSR is prohibited, and the first channel is the channel that triggers the direct data transmission mode;

If the uplink data volume of the second channel is less than or equal to the third threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported, and the second channel is another channel except the first channel;

If the size of the BSR cannot be accommodated after subtracting the second data amount from the first data amount, reporting the BSR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

If the channel that reports the BSR is a channel that triggers the direct data transmission mode, it is forbidden to report the BSR.
The data transmission method according to claim 13, wherein, if the specific control signaling is PHR, under the condition that the first condition is satisfied, the specific control signaling not to be reported includes any one of the following:

If the size of the PHR cannot be accommodated after subtracting the second data amount from the first data amount, reporting of the PHR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

If the change value of the path loss measurement of the current cell is greater than or equal to the fourth threshold value, and the change value of the path loss measurement of the current cell is less than or equal to the fifth threshold value, it is forbidden to report the PHR, where the fourth The threshold value or the fifth threshold value is specified by the network side device configuration or protocol.
The data transmission method according to claim 11, wherein after the terminal changes the sending priority of the specific data and/or the specific control signaling, the method further comprises:

Restoring the sending priority of the specific control signaling, or restoring the reporting of the specific control signaling, according to the network-side device configuration or the second condition agreed in the protocol;

Wherein, the second condition includes any of the following:

The process of direct data transmission is successfully completed;

The terminal enters the connected state or the idle state;

The terminal releases its saved configuration context.
The data transmission method according to claim 16, wherein the successful completion of the process of the direct data transmission mode comprises any one of the following:

The random access procedure is successfully completed;

After the dedicated physical uplink shared channel resource sends data, it receives feedback information from the network side device confirming the successful reception.
A data transmission device, comprising:

The processing module is configured to change the sending priority of the specific data and/or the specific control signaling when sending specific data.
The data transmission device of claim 18, further comprising:

an acquisition module, configured to acquire the configuration information of the network side device configuration or the direct data transmission mode agreed in the protocol, and the configuration information includes at least one of the following:

direct data transmission;

Bearer indication using direct data transmission.
The data transmission device according to claim 18, wherein the processing module is specifically configured to change the specific data and/or specific control signaling when the specific data meets a preset restriction condition for direct data transmission The sending priority of the limit condition is the configuration of the network side device or the agreement of the protocol.
The data transmission apparatus of claim 20, wherein the restriction condition includes that a data size of the specific data is less than or equal to a first threshold value.
The data transmission device according to claim 18, wherein the processing module is specifically configured to perform any one of the following:

changing the sending priority of the specific control signaling to be lower than the sending priority of the specific data;

The specific control signaling is not reported.
The data transmission apparatus according to claim 22, wherein, if the transmission priority of the specific control signaling is changed to be lower than the transmission priority of the specific data, the specific data includes any one of the following:

The channel configured by the network side device;

Channels that trigger direct data transmission.
The data transmission apparatus according to claim 22, wherein the processing module does not report the specific control signaling under the condition that the network-side device configuration or the first condition stipulated in the protocol is satisfied.
The data transmission apparatus according to claim 24, wherein, if the specific control signaling is BSR, under the condition that the first condition is satisfied, the specific control signaling not to be reported includes any one of the following:

If the total uplink data volume is less than or equal to the first threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported;

If the uplink data volume of the first channel is greater than or equal to the second threshold value specified by the network side device configuration or the protocol, reporting the BSR is prohibited, and the first channel is the channel that triggers the direct data transmission mode;

If the uplink data volume of the second channel is less than or equal to the third threshold value specified by the network side device configuration or the protocol, the BSR is prohibited from being reported, and the second channel is another channel except the first channel;

If the size of the BSR cannot be accommodated after subtracting the second data amount from the first data amount, reporting the BSR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

If the channel reporting the BSR is not the channel that triggers the direct data transmission mode, the reporting of the BSR is prohibited;

If the specific control signaling is PHR, under the condition that the first condition is met, the specific control signaling not to be reported includes any of the following:

If the size of the PHR cannot be accommodated after subtracting the second data amount from the first data amount, reporting of the PHR is prohibited. The first data amount is the amount of data that can be accommodated by the uplink transmission resources corresponding to the direct data transmission mode. The data volume is the data volume of the data sent by the direct data transmission method and the data volume of the control signaling;

If the change value of the path loss measurement of the current cell is greater than or equal to the fourth threshold value, and the change value of the path loss measurement of the current cell is less than or equal to the fifth threshold value, it is forbidden to report the PHR, where the fourth The threshold value or the fifth threshold value is specified by the network side device configuration or protocol.
The data transmission apparatus according to claim 22, wherein the processing module is further configured to restore the sending priority of the specific control signaling, or restore the reporting the specific control signaling;

Wherein, the second condition includes any of the following:

The process of direct data transmission is successfully completed;

The terminal enters the connected state or the idle state;

The terminal releases its saved configuration context.
The data transmission device according to claim 26, wherein the successful completion of the process of the direct data transmission mode comprises any one of the following:

The random access procedure is successfully completed;

After the dedicated physical uplink shared channel resource sends data, it receives feedback information from the network side device confirming the successful reception.
An electronic device, 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 achieve as claimed in claims 1-17 The steps of any one of the methods.
A readable storage medium, wherein 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 according to any one of claims 1-17 are implemented.