CN107786301A

CN107786301A - A kind of method and terminal of data frame transfer processing

Info

Publication number: CN107786301A
Application number: CN201610737433.4A
Authority: CN
Inventors: 王三新
Original assignee: Shenzhen Jinli Communication Equipment Co Ltd
Current assignee: Shenzhen Jinli Communication Equipment Co Ltd
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2018-03-09
Also published as: WO2018036269A1

Abstract

The embodiment of the invention discloses the method and terminal of a kind of data frame transfer processing, wherein method includes：The propagation delay time and/or transmission error rates for the first downstream data frame that receiving terminal reports；According to the propagation delay time and/or transmission error rates, it is determined that and to the terminal send corresponding to target downlink data frame, the DL regions of the target downlink data frame are used to transmit corresponding goal notification information, the goal notification information is used for the quantity in the DL regions for notifying the terminal to change the first downstream data frame, to form new downlink data frame, and then downlink data is transmitted using new downlink data frame, the number of the up-downgoing switching of data frame transfer can be reduced, reduces requirement of the data frame transfer to terminal hardware equipment.

Description

Data frame transmission processing method and terminal

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and a terminal for data frame transmission processing.

Background

With the continuous development and progress of communication technology, the fifth generation communication technology (5G) is now beginning to be researched worldwide, and 5G is a multi-technology converged communication, and meets the requirements of wide data and connection services through technology alternation and innovation. In the RAN71 conferences, 3GPP established a research project si (study item) on a 5G new air interface; among them, according to the division of the vertical scene by 5G, 3GPP mainly studies a new air interface technology from three aspects of enhanced wireless broadband embb (enhanced mobile broadband), low-latency high-reliability communication URLLC (ultra-reliable low-latency communication), and large-scale machine type communication mtc (massive machine type communication).

Currently, there are relatively clear research directions in the aspect of eMBB, such as large-scale antenna technology, novel coding, novel frame structure, and the like. However, research on URLLC has just begun. In the RAN 185 meetings, some companies refine the scenario of URLLC and propose some corresponding frame structure design ideas, but have gaps with the expected targets in terms of implementation and performance. Therefore, how to design a proper frame structure to achieve the kpi (key Performance indicator) indexes of delay and reliability (such as uplink and downlink 0.5ms one-way transmission delay and 99.999% transmission reliability) of URLLC is one of the key points of the next research.

Aiming at a novel frame structure, Intel of Intel corporation provides a realization idea based on Self-contained in RAN 185 conference, and specifically, as shown in fig. 1, a schematic diagram of a Self-contained frame structure is provided, it can be known that in each subframe or time transmission unit, a physical downlink control PDCCH channel is firstly sent, PDSCH user data is sent according to scheduling parameters of the PDCCH, and after a guard period time slot GP, a terminal feeds back a hybrid automatic repeat request HARQ ACK/NACK to the PDSCH data. However, in practice, it is found that the Self-Contained method can feed back the receiving result of the downlink data in real time, and reduce the one-way transmission delay, but at the same time, too many uplink and downlink switching can be caused, which presents a great challenge to the hardware implementation of the terminal, and is not beneficial to the commercialization of the 5G terminal. Therefore, a reasonable data frame structure is required for data transmission.

Disclosure of Invention

The embodiment of the invention provides a data frame transmission processing method, which is used for automatically and intelligently determining a new downlink data frame for transmitting downlink data next time according to the transmission delay and/or the transmission error rate of a first downlink data frame, so that the uplink and downlink switching times of data transmission are reduced, and the requirement of the data transmission on terminal hardware equipment is lowered.

In a first aspect, an embodiment of the present invention provides a method for data frame transmission processing, where the method includes:

receiving transmission delay and/or transmission error rate of a first downlink data frame reported by a terminal, wherein the first downlink data frame comprises at least one downlink data transmission (DL) area, and the DL area is used for transmitting downlink data;

and determining and sending a corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate, wherein a DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of DL regions of the first downlink data frame so as to form a new downlink data frame.

In a second aspect, another embodiment of the present invention provides a method for data frame transmission processing, where the method includes:

when a first downlink data frame sent by a base station is received, calculating and determining the transmission delay and/or transmission error rate of the first downlink data frame; the first downlink data frame comprises at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data;

reporting the calculated transmission delay and/or transmission error rate of the first downlink data frame to the base station, so that the base station correspondingly adjusts the first downlink data frame according to the transmission delay and/or transmission error rate of the first downlink data frame.

In a third aspect, an embodiment of the present invention provides a base station, where the base station includes:

a receiving unit, configured to receive a transmission delay and/or a transmission error rate of a first downlink data frame reported by a terminal, where the first downlink data frame includes at least one downlink data transmission DL region, and the DL region is used for transmitting downlink data;

a sending unit, configured to determine and send a corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate, where a DL region of the target downlink data frame is used to transmit corresponding target notification information, and the target notification information is used to notify the terminal to change the number of DL regions of the first downlink data frame, so as to form a new downlink data frame.

In a fourth aspect, an embodiment of the present invention provides a terminal, where the terminal includes:

the device comprises a calculating unit, a sending unit and a receiving unit, wherein the calculating unit is used for calculating and determining the transmission delay and/or the transmission error rate of a first downlink data frame when the first downlink data frame sent by a base station is received; the first downlink data frame comprises at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data;

and a reporting unit, configured to report the transmission delay and/or the transmission error rate of the first downlink data frame calculated by the calculating unit to the base station, so that the base station correspondingly adjusts the first downlink data frame according to the transmission delay and/or the transmission error rate of the first downlink data frame.

The embodiment of the invention can receive the transmission delay and/or the transmission error rate of a first downlink data frame reported by a terminal, wherein the first downlink data frame comprises at least one downlink data transmission (DL) region, the DL region is used for transmitting downlink data, and further, a corresponding target downlink data frame is determined and sent to the terminal according to the transmission delay and/or the transmission error rate, the DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of the DL regions of the first downlink data frame so as to form a new downlink data frame, so that the downlink data is transmitted according to the new downlink data frame, thereby reducing the uplink and downlink switching times of data transmission and reducing the requirements on terminal hardware equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of a Self-contained frame structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a network architecture according to a first embodiment of the present invention;

fig. 3 is a flowchart illustrating a data frame transmission processing method according to a second embodiment of the present invention;

fig. 4 is a schematic diagram of a data frame structure for delaying feedback according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a data frame according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a two-stage concatenated frame according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a new downlink data frame according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a multi-level concatenated frame according to an embodiment of the present invention;

fig. 9 is a schematic diagram of a data frame structure of a non-delayed feedback according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a data frame structure for delaying feedback according to an embodiment of the present invention;

fig. 11 is a schematic diagram of a data frame structure of a concatenation feedback according to an embodiment of the present invention;

fig. 12 is a flowchart illustrating a data frame transmission processing method according to a third embodiment of the present invention;

fig. 13 is a flowchart illustrating a data frame transmission processing method according to a fourth embodiment of the present invention;

fig. 14 is a flowchart illustrating a data frame transmission processing method according to a fifth embodiment of the present invention;

fig. 15 is a flowchart illustrating a data frame transmission processing method according to a sixth embodiment of the present invention;

fig. 16 is a schematic structural diagram of a base station according to a seventh embodiment of the present invention;

fig. 17 is a schematic structural diagram of a base station according to an eighth embodiment of the present invention;

fig. 18 is a schematic structural diagram of a terminal according to a ninth embodiment of the present invention;

fig. 19 is a schematic structural diagram of a terminal according to a tenth embodiment of the present invention;

fig. 20 is a schematic structural diagram of a base station according to an eleventh embodiment of the present invention;

fig. 21 is a schematic structural diagram of a terminal according to a twelfth embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".

In particular implementations, the terminals described in embodiments of the invention include, but are not limited to, other portable devices such as mobile phones, laptop computers, or tablet computers having touch sensitive surfaces (e.g., touch screen displays and/or touch pads). It should also be understood that in some embodiments, the device is not a portable communication device, but is a desktop computer having a touch-sensitive surface (e.g., a touch screen display and/or touchpad).

In the discussion that follows, a terminal that includes a display and a touch-sensitive surface is described. However, it should be understood that the terminal may include one or more other physical user interface devices such as a physical keyboard, mouse, and/or joystick.

The terminal supports various applications, such as one or more of the following: a drawing application, a presentation application, a word processing application, a website creation application, a disc burning application, a spreadsheet application, a gaming application, a telephone application, a video conferencing application, an email application, an instant messaging application, an exercise support application, a photo management application, a digital camera application, a web browsing application, a digital music player application, and/or a digital video player application.

Various applications that may be executed on the terminal may use at least one common physical user interface device, such as a touch-sensitive surface. One or more functions of the touch-sensitive surface and corresponding information displayed on the terminal can be adjusted and/or changed between applications and/or within respective applications. In this way, a common physical architecture (e.g., touch-sensitive surface) of the terminal can support various applications with user interfaces that are intuitive and transparent to the user.

The embodiment of the invention discloses a method, a base station and a terminal for data frame transmission processing, which are beneficial to reducing the times of uplink and downlink switching of data transmission and reducing the transmission requirement of the terminal on hardware equipment. The following are detailed below.

In order to better understand the method, the base station, and the terminal for data frame transmission processing provided in the embodiments of the present invention, a network architecture to which the embodiments of the present invention are applicable is described below. Please refer to fig. 2, which is a schematic structural diagram of a network architecture according to a first embodiment of the present invention. As shown in fig. 2, the network architecture may include a base station and a terminal, wherein the base station may include a base station with integrated data receiving and data transmitting functions, such as a mobile operator base station, and the terminal may include, but is not limited to, a vehicle-mounted device, a mobile phone, a mobile computer, a tablet computer, a Personal Digital Assistant (PDA), a media player, a smart television, a smart watch, smart glasses, a smart band, and other user devices. The terminal can be in communication connection with the base station through the internet.

Referring to fig. 3, which is a schematic flow chart of a method for providing a data frame transmission processing according to a second embodiment of the present invention, the data frame transmission processing method as shown in the figure may include the following steps:

s101, receiving transmission delay and/or transmission error rate of a first downlink data frame reported by a terminal, wherein the first downlink data frame comprises at least one downlink data transmission (DL) area, and the DL area is used for transmitting downlink data.

In the embodiment of the present invention, a terminal and a base station may perform data communication with each other through a network (e.g., a 5G network), and in a specific implementation, data frames are used for data transmission/communication, and specifically, as shown in fig. 2, a schematic structural diagram of a delayed feedback data frame is provided, where resources occupied by each data frame may be configured according to actual needs of a user/system, such as a length of the data frame, an occupied time slot, a number of subframes (i.e., a number of subframes) of the data frame, a number of symbols, and the like, and fig. 4 exemplarily provides a schematic structural diagram including 3 subframes, i.e., Scheduling frame n +1, and Scheduling frame n + 2; as exemplarily assumed in a 5G network, each data frame has a frame length of 10ms, and includes 10 subframes (only 3 subframes are shown in fig. 4), and each subframe has a length of 1ms, and each subframe Scheduling frame is composed of 14 OFDM (Orthogonal frequency division multiple access) symbols. Specifically, as shown in the frame structure diagram shown in fig. 4, each subframe may include a downlink control DC (downlink control) region, a downlink data transmission DL (downlink) region, an uplink data transmission UL (uplink) region, and an uplink and downlink protection GP (guard) region, which are used for uplink and downlink handover protection, a feedback a/K (ACK/NACK) region, which is used for feeding back a/K acknowledgement information about the subframe (e.g., whether data transmitted by the DL region in the subframe is correct or incorrect), wherein the length of the DC region may be 1 to 3 symbols, the length of the DL region is used for transmitting downlink data, the specific length of the DL region may be 7 to 11 symbols, the specific length of the UL region is used for transmitting uplink data (i.e., the a/K acknowledgement information in the above a/K region), the specific length of the UL region may be 7 to 11 symbols, the length of the GP region may be 1 to 10 symbols, and, The length of the a/K region may be 1-5 symbols, and the length of each region may be adjusted/set according to the actual data transmission requirement of the user/system. Optionally, the number of resources in the uplink data transmission UL region and the downlink data transmission DL region in each data frame may be configured according to the actual requirements of the user/system, for example, DL: UL ═ 2:3, DL: UL ═ 7:3, and the like.

It can be understood that, when the base station/terminal actually uses a data frame for data transmission, the Resource unit of the traffic channel Resource allocation usually uses a data Resource Block RB (RB), that is, each subframe includes 2 RBs, and each RB corresponds to 12 subcarriers in the frequency domain (12 × 15Khz ═ 180 Khz); equivalent to 1 slot (0.5ms) in the time domain; in a 5G network, if each data frame is composed of 10 subframes, each data frame corresponds to 240 subcarriers, 12 × 10 × 2, and 10 slots (10ms) in the time domain. In order to ensure the safety of data transmission, when data frames are used for actual data transmission, some codes for error correction/detection of data transmission errors, such as check codes, error correction codes, CRC cyclic redundancy check, etc., are added to the DL/UL region.

In the specific implementation, a data frame is adopted between a terminal and a base station to perform corresponding data transmission through a network, when the base station sends a first downlink data frame to the terminal, the terminal can detect and receive the first downlink data frame, and count time consumed between the time when the base station starts sending the first downlink data frame and the time when the base station completely receives the first downlink data frame, wherein the time is used as transmission delay of the first downlink data frame recorded by the terminal. Optionally, the terminal may further analyze the received first downlink data frame, for example, count ACK/NACK in an a/K region in the downlink data frame, and calculate and determine a transmission error rate of the first downlink data frame. Optionally, the terminal may feed back/send the counted transmission delay and/or transmission error rate of the first downlink data frame to the base station through an UL region in the first downlink data frame, and the base station may analyze and obtain the transmission delay and/or transmission error rate of the first downlink data frame.

The terminal may include an Internet device such as a smart phone (e.g., an Android phone, an IOS phone, etc.), a personal computer, a tablet computer, a palmtop computer, a Mobile Internet device (MID, Mobile Internet Devices), or a wearable smart device, and the embodiments of the present invention are not limited thereto.

S102, determining and sending a corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate, wherein a DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of DL regions of the first downlink data frame so as to form a new downlink data frame.

In the embodiment of the present invention, the base station may analyze the transmission delay and/or the transmission error rate obtained in S101 to determine a target downlink data frame that needs to be sent to the terminal, or target notification information, further the base station issues the target downlink data frame to the terminal, wherein the number of DL regions of the target downlink data frame is the same as the number of DL regions of the first downlink data frame, the DL region of the target downlink data frame is used for transmitting corresponding target notification information, the target notification information is used for notifying the terminal to change the number of the DL regions of the first downlink data frame, therefore, a new downlink data frame is formed, and when data transmission is performed between the base station and the terminal next time, the corresponding downlink data can be transmitted by adopting the structural form of the formed new data frame.

Optionally, the determining and sending the target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate, where a DL region of the target downlink data frame is used to transmit corresponding target notification information, and the target notification information is used to notify the terminal to change the number of DL regions of the first downlink data frame, so as to form a new downlink data frame, includes:

judging whether the transmission delay and/or the transmission error rate meet preset data frame transmission conditions;

and if so, sending a second downlink data frame to the terminal, wherein the DL area of the second downlink data frame is used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL areas of the first downlink data frame in a preset cascade mode so as to form a new downlink data frame.

The base station may determine whether the transmission delay and/or the transmission error rate obtained in S101 satisfy a preset data frame transmission condition that is set by a user/system in advance in the base station by a user, for example, if the base station and the terminal perform data transmission/communication in an ultra-reliable low-latency communication (URLLC) scene, the data frame transmission between the base station and the terminal needs to satisfy KPI indexes (for example, a one-way transmission delay of which an uplink and a downlink do not exceed 0.5ms, and transmission reliability of which exceeds 99.999%) for the transmission delay and the transmission error rate (or reliability) in the URLLC scene at this time. When the terminal determines that the transmission delay and/or the transmission error rate satisfy the preset data frame transmission condition, the base station may send a corresponding second downlink data frame to the terminal, where the number of DL regions of the first downlink data frame is the same as the number of DL regions of the second downlink data frame, and the DL regions of the second downlink data frame are used to transmit first notification information, that is, the base station adopts the same frame structure as the first downlink data frame to enable the terminal to send the first notification information, and the first notification information is used to notify the terminal to increase the number of DL regions of the first downlink data frame in a preset cascade manner, so as to form a new downlink data frame. For example, it is assumed that the first downlink data frame sent by the base station to the terminal adopts a structural diagram of a data frame as shown in fig. 5, where in the data frame: the length of the DC region includes 3 symbols, the length of the DL region includes 7 symbols, the length of the GP region includes 1 symbol, and the length of the a/K region includes 3 symbols, then when the base station detects that the transmission delay and/or the transmission error rate of the first downlink data frame satisfy the preset data frame transmission condition, the base station further sends a second downlink data frame including first notification information to the terminal in the same data frame structure form as in fig. 5, where the first notification information is used to notify the terminal to change the frame structure of the first/second downlink data frame, that is, to increase the preset number (e.g., 1, 2, etc.) of DL regions that are customized by the user/system in the base station/terminal in advance, and preferably, the number of DL regions in the first/second downlink data frame can be individually determined for the preset data frame transmission condition (e.g., KPI indicator of URLLC) that ensures data frame transmission Specifically, in implementation, the base station may directly allocate DL regions with a length of 14 symbols to the new data frame, that is, 1 DL region in the original first downlink data frame is changed into 2 DL regions, specifically, as shown in fig. 6, a schematic structural diagram of a two-stage cascade frame is provided. When the base station performs data transmission with the terminal again, the base station may transmit corresponding downlink data in the structural form of the new downlink data frame.

and when the transmission delay and/or the transmission error rate do not meet the preset data frame transmission condition, sending a third downlink data frame to the terminal, wherein a DL (downlink) area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of DL areas of the first downlink data frame so as to form a new downlink data frame.

When the terminal determines that the transmission delay and/or the transmission error rate do not satisfy the preset data frame transmission condition, the base station may directly end the process, or send a third downlink data frame to the terminal, where a DL area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of DL areas of the first downlink data frame, and when data transmission is performed between the base station and the terminal next time, the corresponding downlink data may be transmitted in a form of a newly formed data frame after the number of DL areas is reduced. In a specific implementation, when the base station determines that the transmission delay and/or the transmission error rate do not satisfy the preset data frame transmission condition (e.g., KPI indicator of URLLC), the base station may send a third downlink data frame to the terminal, where a number of DL areas of the third downlink data frame is the same as a number of DL areas of the first downlink data frame, and a DL area of the third downlink data frame is used to transmit second notification information, that is, the base station will send the second notification information to the terminal by using a frame structure that is the same as that of the first downlink data frame, and the second notification information is used to notify the terminal to reduce the number of DL areas of the first downlink data frame, so as to form a new downlink data frame. Exemplarily, assuming that the frame structure diagram of the first downlink data frame is shown in fig. 6, when the base station detects that the transmission delay and/or the transmission error rate of the first downlink data frame do not satisfy the preset data frame transmission condition (e.g., KPI indicator of URLLC), the base station may send a third downlink data frame including second notification information to the terminal in the same frame structure form as in fig. 6, where the second notification information is used to notify the terminal to reduce the number of DL areas of the first downlink data frame, which is preset by a user/system in the base station/terminal in a customized manner in advance (e.g., 1, 2), so as to form a new downlink data frame. Preferably, in order to ensure that data communication between the base station and the terminal is better achieved, the terminal may be notified to reduce the number of DL regions of the first downlink data frame one by one to form a new downlink data frame, and in a specific implementation, the base station may directly allocate a DL region with a length of 7 symbols to the new data frame through the second notification information/the second downlink data frame, that is, change 2 DL regions in the original first downlink data frame into 1 DL region, that is, change the DL region into a frame structure diagram as shown in fig. 5.

Optionally, the determining whether the transmission delay and/or the transmission error rate satisfy a preset data frame transmission condition includes:

judging whether the transmission delay exceeds a preset delay threshold value and/or judging whether the transmission error rate exceeds a preset error rate threshold value;

if the transmission delay exceeds a preset delay threshold and/or the transmission error rate exceeds a preset error rate threshold, determining that the transmission delay and/or the transmission error rate do not meet preset data frame transmission conditions; otherwise, determining that the transmission delay and/or the transmission error rate meet the preset data frame transmission condition.

In a specific implementation, the base station may determine whether the transmission delay of the first downlink data frame received in step S101 is greater than or equal to a preset delay threshold (for example, 0.5ms of unidirectional transmission delay in a URLLC scenario) that is set by a user/system in a self-defined manner in the base station in advance, and/or may determine whether the transmission error rate received in step S101 is greater than or equal to a preset error rate threshold (for example, 99.999% of transmission reliability and no more than 0.001% of error rate in a URLLC scenario) that is set by a user/system in a self-defined manner in the base station in advance. When the base station determines that the transmission delay is greater than or equal to a preset delay threshold and/or the transmission error rate is greater than or equal to a preset error rate threshold, the base station may determine that the transmission delay and/or the transmission error rate do not satisfy a preset data frame transmission condition; otherwise, the base station may determine that the transmission delay and/or the transmission error rate satisfy a preset data frame transmission condition.

Wherein optionally, the first and second optical fibers are,

when the transmission error rate does not meet the preset data frame transmission condition, keeping the number of DL areas in the current first downlink data frame unchanged, and reducing the number of scheduling DL areas for transmitting downlink data to form a new downlink data frame;

wherein the scheduling DL region is at least one of the DL regions of the first downlink data frame, and the number of the scheduling DL regions is less than the number of the DL regions of the first downlink data frame.

When the base station determines that the transmission error rate does not satisfy the preset data frame transmission condition (such as a KPI indicator of URLLC), the base station may keep the number of DL regions in the current first downlink data unchanged, and reduce the number of scheduling DL regions used for transmitting downlink data in actual transmission, so as to form a new downlink data frame. For example, assuming that the frame structure diagram shown in fig. 6 is adopted by the first downlink data frame sent by the base station to the terminal, when the base station detects that the transmission error rate of the first downlink data frame does not satisfy the preset data frame transmission condition (KPI indicator of URLLC), the base station may also use the frame structure diagram as shown in fig. 7, but when actually performing downlink data transmission, the number of available scheduling DL regions will be changed to 1 (i.e., the original 2 scheduling DL regions are changed to 1 scheduling DL region, but the total resources of the DL regions are not changed), so that the base station may not roll back the frame structure, but the downlink scheduling DL region is reduced, so that the used resources of a single DL region are increased, (for example, each original DL region occupies 3 symbols to 6 symbols), the channel coding rate is reduced, and the reliability of data transmission is improved. Specifically, refer to a schematic structural diagram of a new downlink data frame as shown in fig. 7.

Optionally, the method further includes:

when the new downlink data frame is detected to be sent to the terminal, if the transmission delay and/or the transmission error rate of the new downlink data frame meet the preset data frame transmission condition, increasing the number of DL regions of the new downlink data frame, and repeating the steps until the number of the DL regions of the new downlink data frame reaches the preset DL saturation threshold value supported by the data frame transmission condition.

When the base station sends a corresponding new downlink data frame to the terminal in the frame structure form of the new downlink data frame, the base station may also newly count and determine whether the transmission delay and/or the transmission error rate of the new downlink data frame meet new data frame transmission conditions (for example, the lower link transmission delay in the URLLC scene is not more than 0.7ms, the reliability needs to reach 99.999%, that is, the error rate needs to be less than 0.001%) set by a user/system in advance in the base station by a user; when the transmission delay and/or the transmission error rate of the new downlink data frame satisfy the preset data frame transmission condition, the base station may further add a preset number (e.g., 1, 2, etc.) of DL regions in the new downlink data frame, preferably, the base station may increment the number of DL regions of the new downlink data frame one by one to form a new downlink data frame, and repeat the present step by analogy until the number of DL regions added to the new downlink data frame does not exceed a preset DL saturation threshold (e.g., 10, etc.) corresponding to the preset data frame transmission condition (e.g., a KPI index in a URLLC scene). Specifically, refer to a schematic structure diagram of a multi-level concatenated frame as shown in fig. 8.

Preferably, the notification information, the first notification information, and the second notification information may include Broadcast information, that is, in a specific implementation, the base station may encapsulate the Broadcast information into corresponding data frames (that is, the second downlink data frame and the third downlink data frame) and send the corresponding data frames to the terminal through a physical Broadcast pbch (physical Broadcast channel) channel.

Optionally, the first downlink data frame includes at least one downlink data subframe, where the downlink data subframe includes the DL region and a feedback a/K region, and the a/K region is used to feed back acknowledgement information about the first downlink data frame to the base station, and the method further includes:

and receiving confirmation information about the first downlink data frame fed back to the base station by the terminal.

When the terminal receives the first downlink data frame sent by the base station, the terminal may analyze the first downlink data frame, for example, perform error detection analysis on data, such as check codes and error correction codes, transmitted in a DL region of the first downlink data frame (that is, in each DL region corresponding to each downlink data transmission subframe of the first downlink data frame) to identify whether the downlink data transmitted in the DL region is erroneous, and further, the terminal may feedback a result of the error detection analysis, i.e., a result of transmission correctness/inaccuracy of a certain downlink data subframe, to the base station, so that the base station determines whether the first downlink data frame needs to be transmitted to the terminal again according to the a/K confirmation information.

Wherein optionally, the first and second optical fibers are,

the confirmation information of each downlink data subframe in the first downlink data frame is fed back through the A/K area of each downlink data subframe; or,

the confirmation information of each downlink data subframe in the first downlink data frame is fed back through an A/K area of a target downlink data subframe corresponding to each downlink data subframe by a preset number; or,

and the confirmation information of each downlink data subframe in the first downlink data frame is fed back through an A/K region of a preset target downlink data subframe.

In a specific implementation, the terminal may encapsulate, in a non-delayed feedback form, the a/K acknowledgement information of each downlink data subframe of the first downlink data frame into a feedback a/K region of a current/present downlink data subframe, and further send the feedback to the base station, specifically as shown in fig. 9, a schematic structural diagram of non-delayed feedback data frame transmission is provided; or, the terminal may package, in a delayed feedback manner, the a/K acknowledgement information of each downlink data subframe of the first downlink data frame into an a/K region (e.g., 1 at an interval, that is, an a/K region using a next downlink data subframe) of a target downlink data subframe corresponding to a preset number of intervals between current downlink data subframes, where the a/K acknowledgement information is set by a user/system in advance in the terminal in a self-defined manner, and further transmit the feedback to the base station, specifically, as shown in fig. 10, a structural diagram of delayed feedback data frame transmission is provided, where the a/K acknowledgement information of a current downlink data subframe may be fed back by the a/K region of the next target downlink data subframe or the preset number of intervals; or, the terminal may package, in a concatenation feedback form, the a/K acknowledgement information of each downlink data subframe of the first downlink data frame into an a/K region of a target downlink data subframe that is customized by a user/system in the terminal in advance, and further transmit the feedback to the base station, specifically, as shown in fig. 11, a structural diagram of concatenation feedback data frame transmission is provided, and the a/K acknowledgement information of all downlink data subframes before the preset target downlink data subframe may be fed back in the a/K region of the target downlink data subframe.

It should be noted that, after the base station sends the first downlink data frame, the second downlink data frame, the third downlink data frame, or the new downlink data frame to the terminal, the terminal may feed back preset a/K acknowledgement information of the corresponding downlink data frame to the base station, and a subframe (i.e., a downlink data subframe) in the specific downlink data frame may feed back the a/K acknowledgement information of the corresponding downlink data frame/subframe to the base station in the forms of the delay, non-delay, concatenation, and the like.

To assist in further understanding the above embodiments, three examples are specifically set forth below. The first embodiment is as follows: assuming that a certain terminal and a base station need to perform data transmission in a URLLC scenario, when the base station initially establishes communication with the terminal, downlink data transmission and uplink feedback are performed according to the frame structure shown in fig. 5; the base station sends a first downlink data frame to the terminal within a certain time, and counts that both the transmission error rate and the transmission delay of the first downlink data frame meet the KPI index of the URLLC scene (i.e. uplink and downlink 0.5ms unidirectional transmission delay, 99.999% transmission reliability, error rate not exceeding 0.001%), at this time, the base station notifies the terminal to change the frame structure through a system message (i.e. broadcast message), as shown in fig. 6. The subsequent base station may send a corresponding new downlink data frame (i.e., downlink data) to the terminal according to the frame structure shown in fig. 6, and further, the base station may re-count the transmission error rate and the transmission delay of the terminal receiving the new downlink data frame. Within a certain time, when the transmission error rate and/or the transmission delay of the new downlink data frame cannot meet the KPI index of the URLLC scenario (i.e. the uplink and downlink 0.5ms unidirectional transmission delay, the error rate does not exceed 0.001%), the base station may notify the terminal to fall back to the frame structure shown in fig. 5, thereby reducing the delay increase or the error rate increase caused by concatenation.

Example two: assuming that a certain terminal and a base station need to perform data transmission in a URLLC scenario, when the base station initially establishes communication with the terminal, downlink data transmission and uplink feedback are performed according to the frame structure shown in fig. 5; the base station sends a first downlink data frame to the terminal within a certain time, and counts that both the transmission error rate and the transmission delay of the first downlink data frame meet the KPI index of the URLLC scene (i.e. uplink and downlink 0.5ms unidirectional transmission delay, 99.999% transmission reliability, error rate not exceeding 0.001%), at this time, the base station notifies the terminal to change the frame structure through a system message (i.e. broadcast message), as shown in fig. 6. The subsequent base station may send a corresponding new downlink data frame (i.e., downlink data) to the terminal according to the frame structure shown in fig. 6, and further, the base station may re-count the transmission error rate and the transmission delay of the terminal receiving the new downlink data frame. Within a certain time, when the transmission error rate of the new downlink data frame does not meet the KPI index in the current scenario, for example, the channel condition becomes worse, causing more error codes, increasing the retransmission times of the concatenated data blocks (i.e., DL regions), and the base station does not rollback the frame structure, but reducing the data blocks scheduled in the downlink (i.e., reducing the DL regions scheduled in the downlink), as shown in fig. 7, increasing the resources used by a single data block (i.e., DL region), reducing the channel coding rate, and improving the reliability.

Example three: assuming that a certain terminal and a base station need to perform data transmission in a URLLC scenario, when the base station initially establishes communication with the terminal, downlink data transmission and uplink feedback are performed according to the frame structure shown in fig. 5; the base station sends a first downlink data frame to the terminal within a certain time, and counts that both the transmission error rate and the transmission delay of the first downlink data frame meet the KPI index of the URLLC scene (i.e. uplink and downlink 0.5ms unidirectional transmission delay, 99.999% transmission reliability, error rate not exceeding 0.001%), at this time, the base station notifies the terminal to change the frame structure through a system message (i.e. broadcast message), as shown in fig. 6. The subsequent base station may send a corresponding new downlink data frame (i.e., downlink data) to the terminal according to the frame structure shown in fig. 6, and further, the base station may re-count the transmission error rate and the transmission delay of the terminal receiving the new downlink data frame. Within a certain time, when the transmission error rate or the transmission delay of the new downlink data frame meets the KPI index in the current scenario, if the channel condition is good, the transmission delay or the transmission error rate of the new downlink data frame in the concatenation mode meets the KPI index, the base station continues to increase the concatenation number of downlink data blocks, as shown in fig. 8; when the number of downlink concatenation reaches the upper limit of the system, the system does not update the frame structure any more, monitors the transmission delay and the transmission error rate of a new downlink data frame in real time, and judges whether the frame structure needs to be backed off or not.

The embodiment of the invention can receive the transmission delay and/or the transmission error rate of a first downlink data frame reported by a terminal, the first downlink data frame comprises at least one downlink data transmission (DL) region, the DL region is used for transmitting downlink data, then, whether the transmission delay and/or the transmission error rate meet the preset data frame transmission conditions is judged, if yes, a second downlink data frame is sent to the terminal, the number of the DL regions of the second downlink data frame is the same as that of the DL regions of the first downlink data frame, the DL regions of the second downlink data frame are used for transmitting first notification information, the first notification information is used for notifying the terminal to increase the number of the DL regions of the first downlink data frame in a preset cascade mode so as to form a new downlink data frame, and then the downlink data is transmitted according to the new downlink data frame, therefore, the uplink and downlink switching times of data transmission can be reduced, and the requirements on terminal hardware equipment are reduced.

Referring to fig. 12, which is a schematic flow chart of a method for providing a data frame transmission processing according to a third embodiment of the present invention, the data frame transmission processing method as shown in the figure may include the following steps:

s201, receiving transmission delay and/or transmission error rate of a first downlink data frame reported by a terminal, wherein the first downlink data frame comprises at least one downlink data transmission (DL) area, and the DL area is used for transmitting downlink data.

S202, judging whether the transmission delay exceeds a preset delay threshold value.

In the embodiment of the present invention, when the base station determines that the transmission delay exceeds a preset delay threshold, it is determined that the transmission delay does not satisfy a preset data frame transmission condition, and the base station ends the process or continues to execute step S205; otherwise, determining that the transmission delay meets the preset data frame transmission condition, and continuing to execute step S203.

S203, judging whether the transmission error rate exceeds a preset error rate threshold value.

In the embodiment of the present invention, when the base station determines that the transmission error rate exceeds the preset error rate threshold, it is determined that the transmission error rate does not satisfy the preset data frame transmission condition, and the base station ends the process or continues to execute step S205 or S206; otherwise, if the transmission error rate is determined to meet the preset data frame transmission condition, the step S204 is continuously executed.

And S204, sending a second downlink data frame to the terminal, wherein the number of DL regions of the second downlink data frame is the same as that of the DL regions of the first downlink data frame, the DL regions of the second downlink data frame are used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL regions of the first downlink data frame in a preset cascade mode so as to form a new downlink data frame.

S205, when the transmission delay and/or the transmission error rate do not meet the preset data frame transmission condition, sending a third downlink data frame to the terminal; the number of the DL areas of the third downlink data frame is the same as the number of the DL areas of the first downlink data frame, the DL area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of the DL areas of the first downlink data frame so as to form a new downlink data frame.

S206, when the transmission error rate does not meet the preset data frame transmission condition, keeping the number of DL areas in the current first downlink data frame unchanged, and reducing the number of scheduling DL areas for transmitting downlink data to form a new downlink data frame; wherein the scheduling DL region is at least one of the DL regions of the first downlink data frame, and the number of the scheduling DL regions is less than the number of the DL regions of the first downlink data frame.

S207, when it is detected that the new downlink data frame is sent to the terminal, if the transmission delay and/or the transmission error rate of the new downlink data frame meet a preset data frame transmission condition, increasing the number of DL regions of the new downlink data frame, and so on until the number of DL regions of the new downlink data frame reaches a preset DL saturation threshold value supported by meeting the data frame transmission condition.

Alternatively, the first notification information and the second notification information may include broadcast information.

S208, receiving acknowledgement information about the first downlink data frame, which is fed back to the base station by the terminal, wherein the acknowledgement information of each downlink data subframe in the first downlink data frame is fed back through an A/K region of each downlink data subframe; or, the acknowledgement information of each downlink data subframe in the first downlink data frame is fed back through an A/K region of a target downlink data subframe corresponding to each downlink data subframe by a preset number; or, the acknowledgement information of each downlink data subframe in the first downlink data frame is fed back through an A/K region of a preset target downlink data subframe.

It should be noted that the base station may further receive acknowledgement information, fed back to the base station by the terminal, about any one or more of the first downlink data frame, the second downlink data frame, the third downlink data frame, or the new downlink data frame, and furthermore, the acknowledgement information of each subframe (i.e. downlink data subframe) included in these downlink data frames may be fed back through the current self subframe or the a/K region of the next subframe, or the acknowledgement information of each subframe (i.e. downlink data subframe) included in the downlink data frames may be fed back through the a/K region of the target subframe spaced from the current subframe by a preset number, or an A/K area of a certain data subframe (an A/K area of the last data subframe in a lower data frame) which is pre-designated by a user/system is fed back and sent to the base station.

Please refer to fig. 13, which is a flowchart illustrating a data frame transmission processing method according to a fourth embodiment of the present invention.

S301, when a first downlink data frame sent by a base station is received, calculating and determining the transmission delay and/or transmission error rate of the first downlink data frame; the first downlink data frame comprises at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data.

S302, reporting the calculated transmission delay and/or transmission error rate of the first downlink data frame to the base station, so that the base station correspondingly adjusts the first downlink data frame according to the transmission delay and/or transmission error rate of the first downlink data frame.

Please refer to fig. 14, which is a flowchart illustrating a data frame transmission processing method according to a fifth embodiment of the present invention, wherein the method according to the embodiment of the present invention may include the steps S301 and S302, or may further include the following steps.

S401, receiving a second downlink data frame sent by the base station, and analyzing to obtain corresponding first notification information; the number of the DL areas of the second downlink data frame is the same as the number of the DL areas of the first downlink data frame, the DL areas of the second downlink data frame are used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL areas of the first downlink data frame in a preset cascade manner so as to form a new downlink data frame.

S402, receiving a third downlink data frame sent by the base station, and analyzing to obtain corresponding second notification information; the number of the DL areas of the third downlink data frame is the same as the number of the DL areas of the first downlink data frame, the DL area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of the DL areas of the first downlink data frame so as to form a new downlink data frame.

The execution order of step S301 and step S302 may be changed.

The embodiment of the invention can calculate and determine the transmission delay and/or the transmission error rate of the first downlink data frame when the first downlink data frame sent by the base station is received; the first downlink data frame comprises at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data; and then reporting the calculated transmission delay and/or transmission error rate of the first downlink data frame to the base station, so that the base station correspondingly adjusts the frame structure of the first downlink data frame according to the transmission delay and/or transmission error rate of the first downlink data frame, and thus, the frame structure of a new downlink data frame to be transmitted next time can be correspondingly adjusted according to the transmission delay and/or transmission error rate of the downlink data frame, thereby reducing the uplink and downlink switching times of the whole data transmission and reducing the requirements on terminal hardware equipment.

Please refer to fig. 15, which is a flowchart illustrating a data frame transmission processing method according to a sixth embodiment of the present invention, where the method according to the embodiment of the present invention may implement all or part of the steps shown in fig. 13 or 14, and further includes the following steps.

S501, if the first downlink data frame comprises at least one downlink data subframe, and the downlink data subframe comprises the DL area and the feedback A/K area, feeding back the acknowledgement information of each downlink data subframe in the first downlink data frame to the base station through the A/K area of each downlink data subframe.

In this embodiment of the present invention, the a/K region is configured to feed back acknowledgement information about the first downlink data frame to the base station.

S502, if the first downlink data frame comprises at least one downlink data subframe which comprises the DL area and the feedback A/K area, feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through the A/K area of the target downlink data subframe corresponding to the interval preset number of each downlink data subframe.

S503, if the first downlink data frame comprises at least one downlink data subframe, and the downlink data subframe comprises the DL area and the feedback A/K area, feeding back the acknowledgement information of each downlink data subframe in the first downlink data frame to the base station through the A/K area of a preset target downlink data subframe.

It should be noted that, steps S501 to S503 are optional in parallel, that is, the terminal may select any one of steps S501 to S503 to execute, and the embodiment of the present invention is not limited.

Please refer to fig. 16, which is a schematic structural diagram of a base station according to a seventh embodiment of the present invention, where the base station 16 according to the embodiment of the present invention includes:

a receiving unit 10, configured to receive a transmission delay and/or a transmission error rate of a first downlink data frame reported by a terminal, where the first downlink data frame includes at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data;

a sending unit 11, configured to determine and send a corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate, where a DL region of the target downlink data frame is used to transmit corresponding target notification information, and the target notification information is used to notify the terminal to change the number of DL regions of the first downlink data frame, so as to form a new downlink data frame.

For specific implementation of each unit involved in the embodiments of the present invention, reference may be made to descriptions of related functional units or implementation steps in corresponding embodiments of fig. 1 to 16, which are not described herein again.

Please refer to fig. 17, which is a schematic structural diagram of a base station according to an eighth embodiment of the present invention, where the base station 17 according to the embodiment of the present invention may include: the receiving unit 10 and the transmitting unit 11 described above, wherein,

the sending unit 11 is further specifically configured to send a third downlink data frame to the terminal when the transmission delay and/or the transmission error rate do not meet a preset data frame transmission condition;

the number of the DL areas of the third downlink data frame is the same as the number of the DL areas of the first downlink data frame, the DL area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of the DL areas of the first downlink data frame so as to form a new downlink data frame.

Wherein optionally, the first and second optical fibers are,

the sending unit 11 is specifically configured to determine whether the transmission delay exceeds a preset delay threshold, and/or determine whether the transmission error rate exceeds a preset error rate threshold; if the transmission delay exceeds a preset delay threshold and/or the transmission error rate exceeds a preset error rate threshold, determining that the transmission delay and/or the transmission error rate do not meet preset data frame transmission conditions; otherwise, determining that the transmission delay and/or the transmission error rate meet the preset data frame transmission condition.

Optionally, the base station further includes:

a first processing unit 12, configured to, when the transmission error rate does not meet a preset data frame transmission condition, keep the number of DL regions in the current first downlink data frame unchanged, and reduce the number of scheduling DL regions for transmitting downlink data to form a new downlink data frame;

Optionally, the base station further includes:

a second processing unit 13, configured to, when it is detected that the new downlink data frame is sent to the terminal, increase the number of DL regions of the new downlink data frame if the transmission delay and/or the transmission error rate of the new downlink data frame meet a preset data frame transmission condition, and so on until the number of DL regions of the new downlink data frame reaches a preset DL saturation threshold supported by the data frame transmission condition.

Wherein optionally, the first notification information and the second notification information comprise broadcast information.

Optionally, the first downlink data frame includes at least one downlink data subframe, the downlink data subframe includes the DL region and a feedback a/K region, the a/K region is used for feeding back acknowledgement information about the first downlink data frame to the base station,

the receiving unit 10 is further configured to receive acknowledgement information about the first downlink data frame, which is fed back to the base station by the terminal.

Wherein optionally, the first and second optical fibers are,

Please refer to fig. 18, which is a schematic structural diagram of a terminal according to a ninth embodiment of the present invention, where the terminal 18 according to the embodiment of the present invention includes:

the calculating unit 20 is configured to calculate and determine a transmission delay and/or a transmission error rate of a first downlink data frame when the first downlink data frame sent by a base station is received; the first downlink data frame comprises at least one downlink data transmission DL area, and the DL area is used for transmitting downlink data;

a reporting unit 21, configured to report the transmission delay and/or the transmission error rate of the first downlink data frame calculated by the calculating unit 20 to the base station, so that the base station correspondingly adjusts a new downlink data frame to be transmitted next time according to the transmission delay and/or the transmission error rate of the first downlink data frame.

For specific implementation of each unit related in the embodiments of the present invention, reference may be made to descriptions of related functional units or implementation steps in the embodiments corresponding to fig. 1 to fig. 15, which are not described herein again.

Referring to fig. 19, a schematic structural diagram of a terminal according to a tenth embodiment of the present invention is shown, where the terminal 19 according to the embodiment of the present invention includes: the calculating unit 20 and the reporting unit 21 described above, wherein the terminal further includes:

a receiving unit 22, configured to receive a target downlink data frame sent by the base station, and analyze the target downlink data frame to obtain corresponding target notification information;

the DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of the DL regions of the first downlink data frame so as to form a new downlink data frame.

Wherein optionally, the first and second optical fibers are,

the receiving unit is specifically configured to, when the target downlink data frame includes a second downlink data frame, analyze the second downlink data frame to obtain corresponding first notification information;

the DL area of the second downlink data frame is used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL areas of the first downlink data frame in a preset cascade manner, so as to form a new downlink data frame.

Wherein optionally, the first and second optical fibers are,

the receiving unit is specifically configured to, when the target downlink data frame includes a third downlink data frame, analyze the third downlink data frame to obtain corresponding second notification information;

the DL area of the third downlink data frame is used for transmitting second notification information, and the second notification information is used for notifying the terminal to reduce the number of the DL areas of the first downlink data frame, so as to form a new downlink data frame.

Optionally, the terminal further includes:

a feedback unit 23, configured to feed back, to the base station, the acknowledgement information of each downlink data subframe in the first downlink data frame through an a/K region of each downlink data subframe; or,

a feedback unit 23, configured to feed back, to the base station, the acknowledgement information of each downlink data subframe in the first downlink data frame through an a/K region of a target downlink data subframe corresponding to a preset number of downlink data subframes at an interval; or,

a feedback unit 23, configured to feed back, to the base station, the acknowledgement information of each downlink data subframe in the first downlink data frame through an a/K region of a preset target downlink data subframe.

Fig. 20 is a schematic structural diagram of a base station according to an eleventh embodiment of the present invention. As shown in fig. 20, the base station 2000 may include:

an input device 201, an output device 202, a memory 203 and a processor 204 (the number of the processors 204 in the network device may be one or more, and one processor is taken as an example in fig. 17). In some embodiments of the present invention, the input device 201, the output device 202, the memory 203 and the processor 204 may be connected by a bus or other means, wherein the connection by the bus is exemplified in fig. 20.

Wherein the processor 204 is configured to perform the following steps:

Wherein the processor 204 is further configured to perform the following steps:

and if so, sending a second downlink data frame to the terminal, wherein the number of DL areas of the second downlink data frame is the same as that of the DL areas of the first downlink data frame, the DL areas of the second downlink data frame are used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL areas of the first downlink data frame in a preset cascade mode so as to form a new downlink data frame.

Wherein the processor 204 is further configured to perform the following steps:

when the transmission delay and/or the transmission error rate do not meet the preset data frame transmission condition, sending a third downlink data frame to the terminal;

Wherein the processor 204 is further configured to perform the following steps:

Wherein the processor 204 is further configured to perform the following steps: the first notification information and the second notification information include broadcast information.

Wherein the processor 204 is further configured to perform the following steps:

Fig. 21 is a schematic view of a terminal structure according to a twelfth embodiment of the present invention. The terminal in this embodiment as shown in the figure may include: one or more processors 801; one or more input devices 802, one or more output devices 803, and memory 804. The processor 801, the input device 802, the output device 803, and the memory 804 described above are connected by a bus 805. The memory 802 is used to store instructions and the processor 801 is used to execute instructions stored by the memory 802. Wherein the processor 801 is configured to:

and reporting the calculated transmission delay and/or transmission error rate of the first downlink data frame to the base station, so that the base station correspondingly adjusts a new downlink data frame to be transmitted next time according to the transmission delay and/or transmission error rate of the first downlink data frame.

Further, the processor 801 is further configured to:

receiving a target downlink data frame sent by the base station, and analyzing to obtain corresponding target notification information;

Further, the processor 801 is further configured to:

when the target downlink data frame comprises a second downlink data frame, analyzing the second downlink data frame to obtain corresponding first notification information;

Further, the processor 801 is further configured to:

when the target downlink data frame comprises a third downlink data frame, analyzing the third downlink data frame to obtain corresponding second notification information;

Further, the processor 801 is further configured to: the first notification information and the second notification information include broadcast information.

Further, the processor 801 is further configured to: if the first downlink data frame comprises at least one downlink data subframe, the downlink data subframe comprises the DL area and a feedback A/K area, and the A/K area is used for feeding back confirmation information about the first downlink data frame to the base station and feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through the A/K area of each downlink data subframe; or, feeding back the acknowledgement information of each downlink data subframe in the first downlink data frame to the base station through an a/K region of a target downlink data subframe corresponding to a preset number of intervals between the acknowledgement information and each downlink data subframe; or, feeding back the acknowledgement information of each downlink data subframe in the first downlink data frame to the base station through an A/K region of a preset target downlink data subframe. Then

It should be understood that in the present embodiment, the Processor 801 may be a Central Processing Unit (CPU), and the Processor may be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The input device 802 may include a touch pad, a fingerprint sensor (for collecting fingerprint information of a user and direction information of the fingerprint), a microphone, etc., and the output device 803 may include a display (LCD, etc.), a speaker, etc.

The memory 804 may include both read-only memory and random access memory, and provides instructions and data to the processor 801. A portion of the memory 804 may also include non-volatile random access memory. For example, the memory 804 may also store device type information.

In a specific implementation, the processor 801, the input device 802, and the output device 803 described in this embodiment of the present invention may execute the implementation manners described in the first embodiment and the tenth embodiment of the method for processing data frame transmission provided in this embodiment of the present invention, and may also execute the implementation manners of the terminal described in this embodiment of the present invention, which is not described herein again.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the terminal and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed terminal and method can be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A method for data frame transmission processing, the method comprising:

2. The method as claimed in claim 1, wherein the target downlink data frame comprises a second downlink data frame or a third downlink data frame, and the determining and sending the corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate includes determining and sending a corresponding target downlink data frame to the terminal, where a DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of DL regions of the first downlink data frame to form a new downlink data frame, and includes:

3. The method as claimed in claim 2, wherein the target downlink data frame comprises a second downlink data frame or a third downlink data frame, and the determining and sending the corresponding target downlink data frame to the terminal according to the transmission delay and/or the transmission error rate includes determining and sending a corresponding target downlink data frame to the terminal, where a DL region of the target downlink data frame is used for transmitting corresponding target notification information, and the target notification information is used for notifying the terminal to change the number of DL regions of the first downlink data frame to form a new downlink data frame, and includes:

4. The method of claim 2, wherein the determining whether the transmission delay and/or the transmission error rate satisfy a predetermined data frame transmission condition comprises:

5. The method of claim 2, wherein the method further comprises:

6. The method of any one of claims 1-5, further comprising:

7. The method of claim 2 or 3, wherein the first notification information and the second notification information comprise broadcast information.

8. The method of claim 1, wherein the first downlink data frame comprises at least one downlink data subframe comprising the DL region and a feedback a/K region for feeding back acknowledgement information for the first downlink data frame to the base station, the method further comprising:

9. The method of claim 8,

10. A method for data frame transmission processing, the method comprising:

11. The method of claim 10, wherein the method further comprises:

12. The method of claim 11,

13. The method of claim 11,

14. The method of claim 12 or 13, wherein the first notification information and the second notification information comprise broadcast information.

15. The method of claim 10, wherein the first downlink data frame comprises at least one downlink data subframe comprising the DL region and a feedback a/K region for feeding back acknowledgement information for the first downlink data frame to the base station, the method further comprising:

feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through the A/K area of each downlink data subframe; or,

feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through an A/K area of a target downlink data subframe corresponding to each downlink data subframe by a preset number; or,

and feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through an A/K area of a preset target downlink data subframe.

16. A base station, characterized in that the base station comprises:

17. The base station of claim 16,

the sending unit is specifically configured to determine whether the transmission delay and/or the transmission error rate satisfy a preset data frame transmission condition; and if so, sending a second downlink data frame to the terminal, wherein the DL area of the second downlink data frame is used for transmitting first notification information, and the first notification information is used for notifying the terminal to increase the number of the DL areas of the first downlink data frame in a preset cascade mode so as to form a new downlink data frame.

18. The base station of claim 17,

the sending unit is further specifically configured to send a third downlink data frame to the terminal when the transmission delay and/or the transmission error rate do not meet a preset data frame transmission condition, where a DL area of the third downlink data frame is used to transmit second notification information, and the second notification information is used to notify the terminal to reduce the number of DL areas of the first downlink data frame, so as to form a new downlink data frame.

19. The base station of claim 17,

the transmitting unit is specifically configured to determine whether the transmission delay exceeds a preset delay threshold, and/or determine whether the transmission error rate exceeds a preset error rate threshold; if the transmission delay exceeds a preset delay threshold and/or the transmission error rate exceeds a preset error rate threshold, determining that the transmission delay and/or the transmission error rate do not meet preset data frame transmission conditions; otherwise, determining that the transmission delay and/or the transmission error rate meet the preset data frame transmission condition.

20. The base station of claim 17, wherein the base station further comprises:

a first processing unit, configured to, when the transmission error rate does not satisfy a preset data frame transmission condition, keep the number of DL regions in the current first downlink data frame unchanged, and reduce the number of scheduling DL regions for transmitting downlink data to form a new downlink data frame;

21. The base station of any of claims 16-20, wherein the base station further comprises:

and a second processing unit, configured to, when it is detected that the new downlink data frame is sent to the terminal, increase the number of DL regions of the new downlink data frame if the transmission delay and/or the transmission error rate of the new downlink data frame meet a preset data frame transmission condition, and so on until the number of DL regions of the new downlink data frame reaches a preset DL saturation threshold supported by the data frame transmission condition.

22. The base station of claim 17 or 18, wherein the first notification information and the second notification information comprise broadcast information.

23. The base station of claim 16, wherein the first downlink data frame includes at least one downlink data subframe including the DL region and a feedback A/K region for feeding back acknowledgement information regarding the first downlink data frame to the base station,

the receiving unit is further configured to receive acknowledgement information about the first downlink data frame, which is fed back to the base station by the terminal.

24. The base station of claim 23,

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

and a reporting unit, configured to report the transmission delay and/or the transmission error rate of the first downlink data frame calculated by the calculating unit to the base station, so that the base station correspondingly adjusts a new downlink data frame to be transmitted next time according to the transmission delay and/or the transmission error rate of the first downlink data frame.

26. The terminal of claim 25, wherein the terminal further comprises:

a receiving unit, configured to receive a target downlink data frame sent by the base station, and analyze the target downlink data frame to obtain corresponding target notification information;

27. The terminal of claim 26,

28. The terminal of claim 26,

29. The terminal of claim 27 or 28, wherein the first notification information and the second notification information comprise broadcast information.

30. The terminal of claim 26, wherein the first downlink data frame comprises at least one downlink data subframe, the downlink data subframe comprises the DL region and a feedback a/K region, the a/K region is used for feeding back acknowledgement information about the first downlink data frame to the base station, the terminal further comprises:

a feedback unit, configured to feed back, to the base station, the acknowledgement information of each downlink data subframe in the first downlink data frame through an a/K region of each downlink data subframe; or,

a feedback unit, configured to feed back, to the base station, acknowledgement information of each downlink data subframe in the first downlink data frame through an a/K region of a target downlink data subframe corresponding to a preset number of downlink data subframes at an interval; or,

and the feedback unit is used for feeding back the confirmation information of each downlink data subframe in the first downlink data frame to the base station through an A/K area of a preset target downlink data subframe.