WO2018126457A1 - 一种数据传输方法及设备 - Google Patents
一种数据传输方法及设备 Download PDFInfo
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- WO2018126457A1 WO2018126457A1 PCT/CN2017/070486 CN2017070486W WO2018126457A1 WO 2018126457 A1 WO2018126457 A1 WO 2018126457A1 CN 2017070486 W CN2017070486 W CN 2017070486W WO 2018126457 A1 WO2018126457 A1 WO 2018126457A1
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Definitions
- the present invention relates to the field of communications technologies, and in particular, to a data transmission method and device.
- 4th Generation (4G) mobile communication networks such as Long Term Evolution (LTE) networks
- 4G network features fast communication speed, wide network spectrum and flexible communication.
- 5G mobile communication network for example, requiring continuous wide-area coverage of 100 megabytes.
- Mbps User experience rate per second
- Gbps gigabyte per second
- ms air interface delay within 1 millisecond
- end-to-end delay within 100ms, reliability Guarantee and so on.
- the current 5G (NR, new radio) system supports a "grant-free" UL transmission, that is, when the terminal has data to transmit, the terminal does not need to wait for the scheduling of the base station to transmit data by itself.
- This type of transmission is beneficial to reduce the control signaling overhead in the system, reduce the end-to-end delay, and reduce the power consumption of the terminal. Therefore, it is particularly suitable for low-frequency small packet services and low-latency requirements.
- One of the problems with this transmission method is how the terminal can determine whether the base station correctly receives the uplink data sent by the terminal.
- An embodiment of the present invention provides a data transmission method and device, and a method for determining whether a retransmission is needed after a terminal sends a grant-free data.
- an embodiment of the present invention provides a data transmission method, including:
- the terminal sends uplink data by grant-free in a non-scheduled manner
- the terminal detects scheduling information in a target time window, and generates a detection result, where the scheduling information is used to indicate configuration information of a data transmission channel;
- the terminal determines, according to the detection result, whether to send the uplink data repeatedly.
- an embodiment of the present invention provides a data transmission method, including:
- the network device correctly receives the uplink data sent by the terminal by the grant-free mode without scheduling
- the network device sends scheduling information in a target time window, where the scheduling information is used to notify the terminal that the network device correctly receives the uplink data, and the scheduling information is used to indicate configuration information of a data transmission channel.
- an embodiment of the present invention provides a terminal, where the terminal has a function of implementing behavior of a terminal in the foregoing method design.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the terminal includes a processor configured to support the terminal in performing the corresponding functions of the above methods. Further, the terminal may further include a transceiver for supporting communication between the terminal and the network device. Further, the terminal may further include a memory for coupling with the processor, which stores program instructions and data necessary for the terminal.
- an embodiment of the present invention provides a network device, where the network device has a function of implementing behavior of a network device in the foregoing method design.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the network device includes a processor configured to support the network device to perform corresponding functions in the methods described above. Further, the network device may further include a transceiver for supporting communication between the network device and the terminal. Further, the network device can also include a memory for coupling with the processor that holds program instructions and data necessary for the network device.
- the terminal can reduce the waiting delay of the data transmission preparation of the terminal and the network device, and transmit the uplink data in real time without scheduling, and accurately determine whether the transmission needs to be repeated.
- Row data is beneficial to reduce data transmission delay and improve data transmission efficiency, accuracy and stability.
- FIG. 1 is a network architecture diagram of a possible communication system according to an embodiment of the present invention.
- FIG. 2A is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
- 2B is a diagram showing an example of a starting position of a target time window according to an embodiment of the present invention
- 2C is a diagram showing an example of a network device transmitting uplink data in a target time window according to an embodiment of the present invention
- 2D is a diagram showing an example of another network device sending uplink data in a target time window according to an embodiment of the present invention
- 2E is a diagram showing another example of sending, by a network device, uplink data in a target time window according to an embodiment of the present invention
- 2F is a schematic diagram of determining that a network device correctly receives uplink data according to an embodiment of the present invention
- FIG. 2G is a schematic diagram of another method for determining that a network device correctly receives uplink data according to an embodiment of the present disclosure
- 2H is a schematic diagram of a terminal determining to repeatedly send uplink data according to an embodiment of the present invention
- FIG. 3 is a block diagram showing the functional units of a terminal according to an embodiment of the present invention.
- FIG. 3B is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- 4A is a block diagram of a functional unit of a network device according to an embodiment of the present invention.
- 4B is a schematic structural diagram of a network device according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
- FIG. 1 is a possible network architecture provided by an embodiment of the present invention.
- the network architecture Including the network device and the terminal, when the terminal accesses the mobile communication network provided by the network device, the terminal and the network device can communicate and communicate through the wireless link.
- the network device may be, for example, a 5G network or a base station in a 5G and 4G (4th Generation) hybrid networking system.
- 5G network or a base station in a 5G and 4G (4th Generation) hybrid networking system.
- the terms “network” and “system” are often used interchangeably, and those skilled in the art can understand the meaning thereof.
- the terminal involved in the embodiments of the present invention may include various handheld devices, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and various forms of user equipment (User Equipment). , UE), mobile station (MS), terminal device, and the like. For convenience of description, the devices mentioned above are collectively referred to as terminals.
- FIG. 2A illustrates a data transmission method according to an embodiment of the present invention, which is applied to a mobile communication network including a network device and a terminal, where the network device is in communication connection with the terminal, and the method is from the terminal list.
- Side angle description the method includes: 201 ⁇ 203 part, as follows:
- the terminal sends uplink data by using a grant-free mode without scheduling.
- the network device correctly receives the uplink data sent by the terminal by using a grant-free mode without scheduling.
- the network device sends scheduling information in a target time window, where the scheduling information is used to notify the terminal that the network device correctly receives the uplink data, where the scheduling information is used to indicate configuration information of a data transmission channel. .
- the terminal detects scheduling information in a target time window, and generates a detection result, where the scheduling information is used to indicate configuration information of a data transmission channel.
- the terminal determines, according to the detection result, whether to send the uplink data repeatedly.
- the terminal can reduce the waiting delay of the data transmission preparation of the terminal and the network device, transmit the uplink data in real time without scheduling, and accurately determine whether the uplink data needs to be repeatedly transmitted, which is beneficial to reducing data transmission. Delay, improve data transmission efficiency, accuracy and stability.
- the method further includes:
- the network device sends indication information, the indication information is used to indicate a length of the target time window and/or a starting position of the target time window.
- the method further includes:
- the terminal receives indication information, where the indication information is used to indicate a length of the target time window And/or the starting position of the target time window.
- the starting position of the target time window is any of the following:
- the starting position of the unit, A, B are positive integers.
- the network device correctly receives the uplink data sent by the terminal in the slot n through the unscheduled manner grant-free, and the slot (n+1) is the slot downlink n and can transmit the downlink control.
- the network device can send scheduling information in the time slot (n+1).
- the target time window includes L downlink control information transmission units, and the downlink control information transmission unit is configured to transmit downlink control signaling, where L is a positive integer.
- the target time window includes four downlink control information transmission units, and the network device correctly receives the uplink data sent by the terminal in the slot n through the unscheduled manner grant-free, then the network device may Any one of the four downlink control information transmission units shown in the figure transmits scheduling information.
- the target time window includes N time units, the length of the time unit is the same as the length of the target time unit, and the target time unit is that the terminal sends an uplink by grant-free in a non-scheduled manner.
- the time unit of the data, N is a positive integer;
- the target time window includes 4 time units, and the length of the target time unit is one time slot, and the network device correctly receives the uplink sent by the terminal in the time slot n through the unscheduled manner grant-free.
- the network device can transmit scheduling information in a target time window consisting of slot n+1, slot n+2, slot n+3, slot n+4.
- the target time window includes N time units, the length of the time unit is the same as the length of the downlink data transmission unit, and the downlink data transmission unit is used by the network device to send downlink data.
- the target time window includes 4 time units
- the length of the downlink data transmission unit is a mini mini time slot
- the correct receiving terminal of the network device passes the unscheduled mode grant-free in the time slot n.
- the uplink data sent, the network device can send the scheduling information within a target time window consisting of 4 mini-slots after the target time unit.
- the scheduling information is used to schedule uplink data transmission; or,
- the scheduling information is used to schedule uplink data transmission, and the length of time used for transmitting the uplink data is the same as the length of the target time unit, where the target time unit is a time unit for the terminal to send uplink data by grant-free.
- the scheduling information is used to schedule downlink data transmissions.
- the terminal determines whether to repeatedly send the uplink data according to the detection result, where the terminal determines that the detection result is that the scheduling information is received, and determines that the network device correctly receives the uplink data.
- the terminal determines that the detection result is the received scheduling information, and determines that the network device correctly receives the uplink data, including:
- the terminal determines that the detection result is received scheduling information, and the scheduling information is used to schedule uplink data transmission, and determines that the network device correctly receives the uplink data.
- the terminal determines that the detection result is the received scheduling information, and determines that the network device correctly receives the uplink data, including:
- the terminal determines that the detection result is received scheduling information, and the scheduling information is used to schedule downlink data transmission, and determines that the network device correctly receives the uplink data.
- the terminal determines whether to repeatedly send the uplink data according to the detection result, including:
- the terminal determines that the detection result is the received scheduling information, and the value of the information field in the scheduling information is an agreed value, it is determined that the network device correctly receives the uplink data.
- the network device when the value of the information field is 1, it indicates that the network device correctly receives the uplink data.
- the terminal determines whether to repeatedly send the uplink data according to the detection result, including:
- the terminal determines that the detection result is that the scheduling information is not received, and determines that the network device does not correctly receive the uplink data; or the terminal determines that the detection result is that the scheduling information is received, and the information in the scheduling information When the value of the domain is not equal to the agreed value, it is determined that the network device does not correctly receive the uplink data; or
- the terminal determines that the detection result is that the scheduling information is not received, and the determination is repeated.
- the uplink data is sent; or the terminal determines that the detection result is the received scheduling information, and if the value of the information field in the scheduling information is not equal to the agreed value, it is determined to repeatedly send the uplink data.
- the configuration information is invalid information, and the invalid information is used by the terminal to determine a data transmission channel unscheduled data transmission indicated by the scheduling information.
- the configuration information indicated by the scheduling information is invalid information when the specific information field in the scheduling information is an agreed value.
- the terminal and the network device include corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above functions.
- the present invention can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
- the embodiments of the present invention may perform the division of functional units on the terminal and the network device according to the foregoing method.
- each functional unit may be divided according to each function, or two or more functions may be integrated into one processing unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logical function division, and the actual implementation may have another division manner.
- FIG. 3A shows a possible structural diagram of the first core network device involved in the above embodiment.
- the terminal 300 includes a processing unit 302 and a communication unit 303.
- the processing unit 302 is configured to control and manage the actions of the terminal.
- the processing unit 302 is configured to support the terminal to perform steps 201, 204, 205 in FIG. 2A and/or other processes for the techniques described herein.
- the communication unit 303 is for supporting communication between the terminal and other devices, such as communication with the network device shown in FIG. 1.
- the terminal may further include a storage unit 301 for storing program codes and data of the terminal.
- the processing unit 302 may be a processor or a controller, such as a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
- the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
- the communication unit 303 may be a transceiver, a transceiver circuit, or the like, and the storage unit 301 may be a memory.
- the processing unit 302 is configured to send uplink data by using the communication unit 303 by a non-scheduled manner, and to detect scheduling information in a target time window, and generate a detection result, where the scheduling information is used to indicate Configuration information of the data transmission channel; and configured to determine whether to repeatedly transmit the uplink data according to the detection result.
- the processing unit 302 is further configured to receive, by using the communication unit 303, indication information, where the indication information is used to indicate a length of the target time window and/or a start of the target time window. Starting position.
- the starting position of the target time window is any of the following:
- the starting position of the unit, A, B are positive integers.
- the target time window includes L downlink control information transmission units, and the downlink control information transmission unit is configured to transmit downlink control signaling, where L is a positive integer.
- the scheduling information is used to schedule uplink data transmission; or,
- the scheduling information is used to schedule uplink data transmission, and the length of time used for transmitting the uplink data is the same as the length of the target time unit, where the target time unit is a time unit for the terminal to send uplink data by grant-free.
- the scheduling information is used to schedule downlink data transmissions.
- the processing unit 302 is specifically configured to: determine the detection result. In order to receive the scheduling information, it is determined that the network device correctly receives the uplink data.
- the processing unit 302 is specifically configured to: determine that the detection result is received scheduling information, and when the value of the information field in the scheduling information is an agreed value, determine that the network device correctly receives the The upstream data is described.
- the processing unit 302 is specifically configured to: determine that the detection result is that the scheduling information is not received, and determine that the network device does not correctly receive the uplink data; or determine that the detection result is a received scheduling. If the value of the information field in the scheduling information is not equal to the agreed value, determining that the network device does not correctly receive the uplink data; or determining that the detection result is that the scheduling information is not received, determining to repeatedly send the The uplink data is determined; or, if the detection result is that the scheduling information is received, and the value of the information field in the scheduling information is not equal to the agreed value, it is determined that the uplink data is repeatedly sent.
- the target time window includes N time units, the length of the time unit is the same as the length of the target time unit, and the target time unit is that the terminal sends an uplink by grant-free in a non-scheduled manner.
- the time unit of the data, N is a positive integer; or,
- the target time window includes N time units, the length of the time unit is the same as the length of the downlink data transmission unit, and the downlink data transmission unit is used by the network device to send downlink data.
- the configuration information is invalid information, and the invalid information is used by the terminal to determine a data transmission channel unscheduled data transmission indicated by the scheduling information.
- the terminal involved in the embodiment of the present invention may be the terminal shown in FIG. 3B.
- the terminal 310 includes a processor 312, a communication interface 313, and a memory 311.
- the terminal 310 may further include a bus 314.
- the communication interface 313, the processor 312, and the memory 311 may be connected to each other through a bus 314.
- the bus 314 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (abbreviated). EISA) bus and so on.
- PCI Peripheral Component Interconnect
- EISA Extended Industry Standard Architecture
- the bus 314 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 3B, but it does not mean that there is only one bus or one type of bus.
- the terminal shown in FIG. 3A or FIG. 3B above can also be understood as a device for a terminal, the present invention.
- the embodiment is not limited.
- FIG. 4A shows a possible structural diagram of the network device involved in the above embodiment.
- the network device 400 includes a processing unit 402 and a communication unit 403.
- the processing unit 402 is configured to control and manage the actions of the network device.
- the processing unit 402 is configured to support the network device to perform step 401 in FIG. 2A and/or other processes for the techniques described herein.
- the communication unit 403 is for supporting communication between the network device and other devices, such as communication with the terminal shown in FIG. 1.
- the network device may further include a storage unit 401 for storing program codes and data of the network device.
- the processing unit 402 is configured to correctly receive, by using the communication unit 403, uplink data that is sent by the terminal in a non-scheduled manner, and to send scheduling information, where the scheduling information is used to notify the terminal.
- the network device correctly receives the uplink data, and the scheduling information is used to indicate configuration information of a data transmission channel.
- the processing unit 402 is further configured to: send, by the communication unit 403, indication information, where the indication information is used to indicate a length of the target time window and/or a start of the target time window Starting position.
- the starting position of the target time window is any of the following:
- the starting position of the unit, A, B are positive integers.
- the target time window includes L downlink control information transmission units, and the downlink control information transmission unit is configured to transmit downlink control signaling, where L is a positive integer.
- the scheduling information is used to schedule uplink data transmission; or,
- the scheduling information is used to schedule uplink data transmission, and the length of time used for transmitting the uplink data is the same as the length of the target time unit, where the target time unit is a time unit for the terminal to send uplink data by grant-free.
- the scheduling information is used to schedule downlink data transmissions.
- the value of the information field in the scheduling information is an agreed value.
- the target time window includes N time units, the length of the time unit is the same as the length of the target time unit, and the target time unit is that the terminal sends an uplink by grant-free in a non-scheduled manner.
- the time unit of the data, N is a positive integer; or,
- the target time window includes N time units, the length of the time unit is the same as the length of the downlink data transmission unit, and the downlink data transmission unit is used by the network device to send downlink data.
- the configuration information is invalid information, and the invalid information is used by the terminal to determine a data transmission channel unscheduled data transmission indicated by the scheduling information.
- the network device involved in the embodiment of the present invention may be the network device shown in FIG. 4B.
- the network device 410 includes a processor 412, a communication interface 413, and a memory 411.
- network device 410 may also include a bus 414.
- the communication interface 413, the processor 412, and the memory 411 may be connected to each other through a bus 414.
- the bus 414 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (abbreviated). EISA) bus and so on.
- the bus 414 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 4B, but it does not mean that there is only one bus or one type of bus.
- the network device shown in FIG. 4A or FIG. 4B can also be understood as a device for a network device, which is not limited in the embodiment of the present invention.
- the embodiment of the present invention further provides another terminal.
- the terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the terminal is a mobile phone as an example:
- FIG. 5 is a block diagram showing a partial structure of a mobile phone related to a terminal provided by an embodiment of the present invention.
- the mobile phone includes: a radio frequency (RF) circuit 510, a memory 520, an input unit 530, a display unit 540, a sensor 550, an audio circuit 560, a wireless fidelity (WiFi) module 570, and a processor 580. And power supply 590 and other components.
- RF radio frequency
- the RF circuit 510 can be used for receiving and transmitting information.
- RF circuit 510 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
- LNA Low Noise Amplifier
- RF circuitry 510 can also communicate with the network and other devices via wireless communication.
- the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
- GSM Global System of Mobile communication
- GPRS General Packet Radio Service
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- LTE Long Term Evolution
- E-mail Short Messaging Service
- the memory 520 can be used to store software programs and modules, and the processor 580 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 520.
- the memory 520 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function, and the like; the storage data area may store data created according to usage of the mobile phone, and the like.
- memory 520 can include high speed random access memory, and can 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 input unit 530 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
- the input unit 530 can include a fingerprint recognition module 531 and other input devices 532.
- the fingerprint identification module 531 can collect fingerprint data of the user.
- the input unit 530 can also include other input devices 532.
- other input devices 532 may include, but are not limited to, one or more of a touch screen, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
- the display unit 540 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
- the display unit 540 can include a display screen 541.
- a liquid crystal display (LCD) or an organic light emitting diode (Organic Light-Emitting) can be used.
- the display screen 541 is configured in the form of a Diode, OLED, or the like.
- the fingerprint recognition module 531 and the display screen 541 are used as two independent components to implement the input and input functions of the mobile phone, in some embodiments, the fingerprint recognition module 531 and the display screen 541 may be Integrated to achieve the input and playback functions of the phone.
- the handset may also include at least one type of sensor 550, such as a light sensor, motion sensor, and other sensors.
- the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen 541 according to the brightness of the ambient light, and the proximity sensor may turn off the display screen 541 and/or when the mobile phone moves to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
- the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
- the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
- vibration recognition related functions such as pedometer, tapping
- the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
- Audio circuit 560, speaker 561, and microphone 562 provide an audio interface between the user and the handset.
- the audio circuit 560 can transmit the converted electrical data of the received audio data to the speaker 561, and convert it into a sound signal by the speaker 561.
- the microphone 562 converts the collected sound signal into an electrical signal, and the audio circuit 560 is used by the audio circuit 560. After receiving, it is converted into audio data, and then processed by the audio data playing processor 580, sent to the other mobile phone via the RF circuit 510, or played to the memory 520 for further processing.
- WiFi is a short-range wireless transmission technology
- the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 570, which provides users with wireless broadband Internet access.
- FIG. 5 shows the WiFi module 570, it can be understood that it does not belong to the essential configuration of the mobile phone, and may be omitted as needed within the scope of not changing the essence of the invention.
- the processor 580 is the control center of the handset, and connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 520, and invoking data stored in the memory 520, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
- the processor 580 may include one or more processing units; preferably, the processor 580 may integrate an application processor and a modem processor, where the application processor mainly processes operations. As a system, user interface, application, etc., the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 580.
- the handset also includes a power source 590 (such as a battery) that supplies power to the various components.
- a power source 590 such as a battery
- the power source can be logically coupled to the processor 580 via a power management system to manage functions such as charging, discharging, and power management through the power management system.
- the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
- the process on the terminal side in each step method may be implemented based on the structure of the mobile phone.
- each unit function can be implemented based on the structure of the mobile phone.
- the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium can store a program, and the program includes some or all of the steps of any one of the data transmission methods described in the foregoing method embodiments.
- the steps of the method or algorithm described in the embodiments of the present invention may be implemented in a hardware manner, or may be implemented by a processor executing software instructions.
- the software instructions may be composed of corresponding software modules, which may be stored in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programmable read only memory ( Erasable Programmable ROM (EPROM), electrically erasable programmable read only memory (EEPROM), registers, hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
- An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
- the storage medium can also be an integral part of the processor.
- the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in a gateway device or mobility management network element. Of course, the processor and the storage medium may also exist as discrete components in the gateway device or the mobility management network
- Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
- a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.
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Abstract
Description
Claims (42)
- 一种数据传输方法,其特征在于,包括:终端通过无调度方式grant-free发送上行数据;所述终端在目标时间窗口内检测调度信息,并生成检测结果,所述调度信息用于指示数据传输信道的配置信息;所述终端根据所述检测结果确定是否重复发送所述上行数据。
- 根据权利要求1所述方法,其特征在于,所述方法还包括:所述终端接收指示信息,所述指示信息用于指示所述目标时间窗口的长度和/或所述目标时间窗口的起始位置。
- 根据权利要求1或2所述方法,其特征在于,所述目标时间窗的起始位置为以下任意一种:所述上行数据的结束位置、所述上行数据所在时间单元的结束位置、所述上行数据所在时间单元之后的第A个时间单元的起始位置、所述上述数据之后第B个下行控制信息传输单元的起始位置,A、B为正整数。
- 根据权利要求1-3任一项所述方法,其特征在于,所述目标时间窗口包括L个下行控制信息传输单元,所述下行控制信息传输单元用于传输下行控制信令,L为正整数。
- 根据权利要求1-4任一项所述方法,其特征在于,所述调度信息用于调度上行数据传输;或者,所述调度信息用于调度上行数据传输,且传输所述上行数据所使用的时间长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过grant-free发送上行数据的时间单元。
- 根据权利要求1-4任一项所述的方法,其特征在于,所述调度信息用于调度下行数据传输。
- 根据权利要求1-4任一项所述方法,其特征在于,所述终端根据所述检测结果确定是否重复发送所述上行数据,包括:所述终端确定所述检测结果为收到调度信息,确定网络设备正确接收所述 上行数据。
- 根据权利要求1-4任一项所述方法,其特征在于,所述终端根据所述检测结果确定是否重复发送所述上行数据,包括:所述终端确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值为约定值时,确定网络设备正确接收所述上行数据。
- 根据权利要求1-4任一项所述方法,其特征在于,所述终端根据所述检测结果确定是否重复发送所述上行数据,包括:所述终端确定所述检测结果为未收到调度信息,确定网络设备未正确接收所述上行数据;或者,所述终端确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值不等于约定值时,确定网络设备未正确接收所述上行数据;或者,所述终端确定所述检测结果为未收到调度信息,确定重复发送所述上行数据;或者,所述终端确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值不等于约定值时,确定重复发送所述上行数据。
- 根据权利要求1-3任一项所述方法,其特征在于,所述目标时间窗口包括N个时间单元,所述时间单元的长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过无调度方式grant-free发送上行数据的时间单元,N为正整数;或者,所述目标时间窗口包括N个时间单元,所述时间单元的长度与下行数据传输单元的长度相同,所述下行数据传输单元用于网络设备发送下行数据。
- 根据权利要求1-3任一项所述方法,其特征在于,所述配置信息为无效信息,所述无效信息用于所述终端确定所述调度信息所指示的数据传输信道未调度数据传输。
- 一种数据传输方法,其特征在于,包括:网络设备正确接收终端通过无调度方式grant-free发送的上行数据;所述网络设备在目标时间窗内发送调度信息,所述调度信息用于通知所述 终端所述网络设备正确接收了所述上行数据,所述调度信息用于指示数据传输信道的配置信息。
- 根据权利要求12所述的方法,其特征在于,所述方法还包括:所述网络设备发送指示信息,所述指示信息用于指示所述目标时间窗口的长度和/或所述目标时间窗口的起始位置。
- 根据权利要求12或13所述的方法,其特征在于,所述目标时间窗的起始位置为以下任意一种:所述上行数据的结束位置、所述上行数据所在时间单元的结束位置、所述上行数据所在时间单元之后的第A个时间单元的起始位置、所述上述数据之后第B个下行控制信息传输单元的起始位置,A、B为正整数。
- 根据权利要求12-14任一项所述的方法,其特征在于,所述目标时间窗口包括L个下行控制信息传输单元,所述下行控制信息传输单元用于传输下行控制信令,L为正整数。
- 根据权利要求12-15任一项所述的方法,其特征在于,所述调度信息用于调度上行数据传输;或者,所述调度信息用于调度上行数据传输,且传输所述上行数据所使用的时间长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过grant-free发送上行数据的时间单元。
- 根据权利要求12-15任一项所述的方法,其特征在于,所述调度信息用于调度下行数据传输。
- 根据权利要求12-15任一项所述的方法,其特征在于,所述调度信息中的信息域的取值为约定值。
- 根据权利要求12-14任一项所述的方法,其特征在于,所述目标时间窗口包括N个时间单元,所述时间单元的长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过无调度方式grant-free发送上行数据的时间单元,N为正整数;或者,所述目标时间窗口包括N个时间单元,所述时间单元的长度与下行数据传输单元的长度相同,所述下行数据传输单元用于网络设备发送下行数据。
- 根据权利要求12-14任一项所述的方法,其特征在于,所述配置信息为无效信息,所述无效信息用于所述终端确定所述调度信息所指示的数据传输信道未调度数据传输。
- 一种终端,其特征在于,包括处理单元和通信单元,所述处理单元,用于通过无调度方式grant-free通过所述通信单元发送上行数据;以及用于在目标时间窗口内检测调度信息,并生成检测结果,所述调度信息用于指示数据传输信道的配置信息;以及用于根据所述检测结果确定是否重复发送所述上行数据。
- 根据权利要求21所述的终端,其特征在于,所述处理单元,还用于通过所述通信单元接收指示信息,所述指示信息用于指示所述目标时间窗口的长度和/或所述目标时间窗口的起始位置。
- 根据权利要求21或22所述的终端,其特征在于,所述目标时间窗的起始位置为以下任意一种:所述上行数据的结束位置、所述上行数据所在时间单元的结束位置、所述上行数据所在时间单元之后的第A个时间单元的起始位置、所述上述数据之后第B个下行控制信息传输单元的起始位置,A、B为正整数。
- 根据权利要求21-23任一项所述的终端,其特征在于,所述目标时间窗口包括L个下行控制信息传输单元,所述下行控制信息传输单元用于传输下行控制信令,L为正整数。
- 根据权利要求21-24任一项所述的终端,其特征在于,所述调度信息用于调度上行数据传输;或者,所述调度信息用于调度上行数据传输,且传输所述上行数据所使用的时间长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过grant-free发送上行数据的时间单元。
- 根据权利要求21-24任一项所述的终端,其特征在于,所述调度信息用于调度下行数据传输。
- 根据权利要求21-24任一项所述的终端,其特征在于,所述处理单元 具体用于:确定所述检测结果为收到调度信息,确定网络设备正确接收所述上行数据。
- 根据权利要求21-24任一项所述的终端,其特征在于,所述处理单元具体用于:确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值为约定值时,确定网络设备正确接收所述上行数据。
- 根据权利要求21-24任一项所述的终端,其特征在于,所述处理单元具体用于:确定所述检测结果为未收到调度信息,确定网络设备未正确接收所述上行数据;或者,确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值不等于约定值时,确定网络设备未正确接收所述上行数据;或者,确定所述检测结果为未收到调度信息,确定重复发送所述上行数据;或者,确定所述检测结果为收到调度信息,且所述调度信息中的信息域的取值不等于约定值时,确定重复发送所述上行数据。
- 根据权利要求21-23任一项所述的终端,其特征在于,所述目标时间窗口包括N个时间单元,所述时间单元的长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过无调度方式grant-free发送上行数据的时间单元,N为正整数;或者,所述目标时间窗口包括N个时间单元,所述时间单元的长度与下行数据传输单元的长度相同,所述下行数据传输单元用于网络设备发送下行数据。
- 根据权利要求21-23任一项所述的终端,其特征在于,所述配置信息为无效信息,所述无效信息用于所述终端确定所述调度信息所指示的数据传输信道未调度数据传输。
- 一种网络设备,其特征在于,包括处理单元和通信单元,所述处理单元用于通过所述通信单元正确接收终端通过无调度方式grant-free发送的上行数据;以及用于在目标时间窗内发送调度信息,所述调度信息用于通知所述终端所述网络设备正确接收了所述上行数据,所述调度信息用于指示数据传输信道的配置信息。
- 根据权利要求32所述的网络设备,其特征在于,所述处理单元还用于: 通过所述通信单元发送指示信息,所述指示信息用于指示所述目标时间窗口的长度和/或所述目标时间窗口的起始位置。
- 根据权利要求32或33所述的网络设备,其特征在于,所述目标时间窗的起始位置为以下任意一种:所述上行数据的结束位置、所述上行数据所在时间单元的结束位置、所述上行数据所在时间单元之后的第A个时间单元的起始位置、所述上述数据之后第B个下行控制信息传输单元的起始位置,A、B为正整数。
- 根据权利要求32-34任一项所述的网络设备,其特征在于,所述目标时间窗口包括L个下行控制信息传输单元,所述下行控制信息传输单元用于传输下行控制信令,L为正整数。
- 根据权利要求32-35任一项所述的网络设备,其特征在于,所述调度信息用于调度上行数据传输;或者,所述调度信息用于调度上行数据传输,且传输所述上行数据所使用的时间长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过grant-free发送上行数据的时间单元。
- 根据权利要求32-35任一项所述的网络设备,其特征在于,所述调度信息用于调度下行数据传输。
- 根据权利要求32-35任一项所述的网络设备,其特征在于,所述调度信息中的信息域的取值为约定值。
- 根据权利要求32-34任一项所述的网络设备,其特征在于,所述目标时间窗口包括N个时间单元,所述时间单元的长度与目标时间单元的长度相同,所述目标时间单元是所述终端通过无调度方式grant-free发送上行数据的时间单元,N为正整数;或者,所述目标时间窗口包括N个时间单元,所述时间单元的长度与下行数据传输单元的长度相同,所述下行数据传输单元用于网络设备发送下行数据。
- 根据权利要求32-34任一项所述的网络设备,其特征在于,所述配置信息为无效信息,所述无效信息用于所述终端确定所述调度信息所指示的数据传输信道未调度数据传输。
- 一种终端,其特征在于,包括处理器、存储器和收发器,所述处理器与所述存储器和所述收发器通信连接;所述存储器用于存储程序代码和数据,所述处理器用于调用所述存储器中的程序代码和数据,执行如权利要求1-11任一项所述的方法。
- 一种网络设备,其特征在于,包括处理器、存储器和收发器,所述处理器与所述存储器和所述收发器通信连接;所述存储器用于存储程序代码和数据,所述处理器用于调用所述存储器中的程序代码和数据,执行如权利要求11-20任一项所述的方法。
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EP22168444.2A EP4048012A1 (en) | 2017-01-06 | 2017-01-06 | Data transmission method and device |
ES17889811T ES2920000T3 (es) | 2017-01-06 | 2017-01-06 | Método y dispositivo de transmisión de datos |
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MX2019008161A MX2019008161A (es) | 2017-01-06 | 2017-01-06 | Metodo y dispositivo de transmision de datos. |
CN202110256972.7A CN113067680A (zh) | 2017-01-06 | 2017-01-06 | 一种数据传输方法及设备 |
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JP2019536038A JP2020505803A (ja) | 2017-01-06 | 2017-01-06 | データ伝送方法及び装置 |
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JP6968889B2 (ja) | 2017-01-05 | 2021-11-17 | オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. | データ伝送方法、端末装置及びネットワーク機器 |
EP3547775B1 (en) * | 2017-01-06 | 2022-05-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Data transmission method and device |
CN111586877A (zh) * | 2018-02-13 | 2020-08-25 | 上海朗帛通信技术有限公司 | 一种用于无线通信的通信节点中的方法和装置 |
FR3078459B1 (fr) * | 2018-02-23 | 2020-03-06 | Orange | Procede et systeme omamrc de transmission avec adaptation lente de lien sous contrainte d'un bler |
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AU2017391828A1 (en) | 2019-07-18 |
CA3048686C (en) | 2021-06-15 |
US11128403B2 (en) | 2021-09-21 |
TWI775791B (zh) | 2022-09-01 |
JP2022116225A (ja) | 2022-08-09 |
JP2020505803A (ja) | 2020-02-20 |
RU2733416C1 (ru) | 2020-10-01 |
CN113067680A (zh) | 2021-07-02 |
CN110089176B (zh) | 2021-04-02 |
ZA201904349B (en) | 2020-03-25 |
EP3547775A1 (en) | 2019-10-02 |
EP3547775B1 (en) | 2022-05-25 |
JP7410219B2 (ja) | 2024-01-09 |
KR20190101983A (ko) | 2019-09-02 |
IL267735B1 (en) | 2023-03-01 |
CA3048686A1 (en) | 2018-07-12 |
IL267735A (zh) | 2019-08-29 |
TW201826836A (zh) | 2018-07-16 |
ES2920000T3 (es) | 2022-07-29 |
EP4048012A1 (en) | 2022-08-24 |
CN110089176A (zh) | 2019-08-02 |
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