WO2021159592A1 - 数据传输方法、装置及存储介质 - Google Patents

数据传输方法、装置及存储介质 Download PDF

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Publication number
WO2021159592A1
WO2021159592A1 PCT/CN2020/081326 CN2020081326W WO2021159592A1 WO 2021159592 A1 WO2021159592 A1 WO 2021159592A1 CN 2020081326 W CN2020081326 W CN 2020081326W WO 2021159592 A1 WO2021159592 A1 WO 2021159592A1
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WIPO (PCT)
Prior art keywords
communication distance
distance threshold
priority
candidate value
data transmission
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PCT/CN2020/081326
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English (en)
French (fr)
Inventor
殷晓雪
生嘉
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惠州Tcl移动通信有限公司
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Publication of WO2021159592A1 publication Critical patent/WO2021159592A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]

Definitions

  • This application relates to the field of communication technology, and in particular to a data transmission method, device and storage medium.
  • V2X Vehicle to Everything
  • V2V Vehicle to Everything
  • X stands for any object that interacts with the vehicle.
  • X mainly includes vehicles, people, Traffic roadside infrastructure and network.
  • the information modes of V2X interaction include: between vehicle and vehicle (Vehicle to Vehicle, V2V), vehicle to road (Vehicle to Infrastructure, V2I), vehicle to person (Vehicle to Pedestrian, V2P), vehicle and network Interaction between Vehicle to Network (V2N).
  • V2V Vehicle to Vehicle
  • V2I Vehicle to Infrastructure
  • V2P vehicle to person
  • V2N Vehicle to Network
  • UE User Equipment
  • the communication distance requirement between the sending terminal and the receiving terminal belongs to a type of QoS (Quality of Service) parameter.
  • the sending terminal in the prior art directly indicates the value of the communication distance requirement in the SCI (Sidelink control information, bypass control information) information and sent to the receiving terminal, so that the receiving terminal can process the service data based on the communication distance requirement.
  • the required value of the communication distance requires at least 4 bits to be indicated in the second-level SCI, which brings a lot of signaling overhead.
  • the embodiments of the present application provide a data transmission method, device, and storage medium, which can reduce signaling overhead while ensuring QoS requirements.
  • an embodiment of the present application provides a data transmission method, which is applied to an electronic terminal, and the method includes:
  • the service data is processed according to the communication distance threshold.
  • the obtaining the communication distance threshold corresponding to the priority information specifically includes:
  • the communication distance requirement includes at least one communication distance candidate value
  • the communication distance threshold is determined from the at least one communication distance candidate value.
  • the SCI information further includes an index
  • the determining the communication distance threshold value from the at least one communication distance candidate value specifically includes:
  • a preset index table is searched, and the communication distance candidate value corresponding to the index is obtained from the at least one communication distance candidate value as the communication distance threshold.
  • the communication distance threshold corresponding to a high priority is greater than the communication distance threshold corresponding to a low priority.
  • the processing the service data according to the communication distance threshold specifically includes:
  • an embodiment of the present application also provides a data transmission device, which is applied to an electronic terminal, and the device includes:
  • the receiving module is configured to receive service data and corresponding SCI information sent by the sending terminal, where the SCI information includes priority;
  • An obtaining module configured to obtain the communication distance threshold corresponding to the priority
  • the processing module is configured to process the service data according to the communication distance threshold.
  • the acquisition module specifically includes:
  • the searching unit is configured to look up a preset communication distance requirement table, and obtain the communication distance requirement corresponding to the priority; the communication distance requirement includes at least one communication distance candidate value; and,
  • the determining unit is configured to determine the communication distance threshold value from the at least one communication distance candidate value.
  • the SCI information further includes an index
  • the determining unit is specifically used for:
  • a preset index table is searched, and the communication distance candidate value corresponding to the index is obtained from the at least one communication distance candidate value as the communication distance threshold.
  • the communication distance threshold corresponding to a high priority is greater than the communication distance threshold corresponding to a low priority.
  • the processing module is specifically configured to:
  • embodiments of the present application also provide a computer-readable storage medium, in which a plurality of instructions are stored, and the instructions are suitable for being loaded by a processor to perform the following operations:
  • the service data is processed according to the communication distance threshold.
  • the obtaining the communication distance threshold corresponding to the priority information specifically includes:
  • the communication distance requirement includes at least one communication distance candidate value
  • the communication distance threshold is determined from the at least one communication distance candidate value.
  • the SCI information further includes an index
  • the determining the communication distance threshold value from the at least one communication distance candidate value specifically includes:
  • a preset index table is searched, and the communication distance candidate value corresponding to the index is obtained from the at least one communication distance candidate value as the communication distance threshold.
  • the communication distance threshold corresponding to a high priority is greater than the communication distance threshold corresponding to a low priority.
  • the processing the service data according to the communication distance threshold specifically includes:
  • the data transmission method, device and storage medium provided in this application can receive the service data and corresponding SCI information sent by the sending terminal, obtain the communication distance threshold corresponding to the priority in the SCI information, and process the service data according to the communication distance threshold , So that the value of the communication distance requirement is no longer set in the SCI information, saving signaling overhead, and meeting QoS requirements at the same time.
  • FIG. 1 is a schematic structural diagram of a V2X system provided by an embodiment of this application.
  • FIG. 2 is a schematic flowchart of a data transmission method provided by an embodiment of the application
  • FIG. 3 is a schematic diagram of another flow of a data transmission method provided by an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a data transmission device provided by an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of an acquisition module in a data transmission device provided by an embodiment of the application.
  • FIG. 6 is a schematic structural diagram of an electronic terminal provided by an embodiment of the application.
  • FIG. 7 is a schematic diagram of another structure of an electronic terminal provided by an embodiment of the application.
  • FIG. 1 is a schematic diagram of the structure of the V2X system.
  • the V2X system includes base station 1 and terminal 2.
  • Base station 1 can include various forms of macro base stations, micro base stations, relay stations, access points, etc., and terminal 2 can be various handheld devices, vehicle-mounted devices, and wearable devices with unlimited communication functions. Such electronic equipment can be applied to vehicles, infrastructure, etc.
  • Base station 1 and terminal 2 can be connected through air interface technology (such as NR UU), and terminal 2 and terminal 2 can be connected through Sidelink.
  • the communication mode of Sidelink realizes addressing through the source identification and target identification of the media access control layer (Media Access Control, MAC). Before transmission, the terminals 2 do not need to be connected in advance.
  • Media Access Control Media Access Control
  • V2X use cases are roughly divided into the following four types:
  • Vehicles Platooning so that the vehicles dynamically form a formation and travel together. All vehicles in the formation obtain information from the command vehicle to manage the formation. This information allows the vehicles to travel in a coordinated manner closer than usual, moving in the same direction, and driving together.
  • Extended sensors which allow the exchange of raw or processed data collected through local sensors or real-time video images between vehicles, road side units (RSU), pedestrian devices, and V2X application servers. These vehicles can enhance their ability to perceive the environment, beyond the detection range of their own sensors, and have a broader and more comprehensive view of the local situation. High data rate is one of its key features.
  • Each vehicle and/or roadside unit shares the perception data obtained from its local sensors with nearby vehicles, thereby allowing the vehicle to synchronize and coordinate its driving trajectory.
  • Each vehicle shares its driving information with its neighboring vehicles.
  • Remote Driving which enables remote drivers or V2X applications to operate remote vehicles for passengers who cannot drive by themselves or are located in a dangerous environment.
  • cloud-based driving can be used for situations with limited changes and predictable routes, such as public transportation.
  • the main requirements are high reliability and low latency.
  • Sidelink introduces the concept of groupcast (group propagation), mainly for the above-mentioned Vehicles Platooning (vehicle formation driving) use case.
  • the physical layer supports the functions of hybrid automatic repeat request (Hybrid Automatic Repeat request, HARQ) feedback and hybrid automatic repeat request.
  • HARQ Hybrid Automatic Repeat request
  • TX-RX transmitting terminal-receiving terminal
  • RSRP reference signal receiving power
  • Option 1 If the receiving terminal fails to decode the corresponding Transport Block (TB) after decoding the relevant Physical Sidelink Control Channel (PSCCH), then the physical side link feedback channel (Physical Sidelink) HARQ-NACK (non-acknowledgement, decoding failure) is transmitted on the Feedback Channel, PSFCH), otherwise no signal is transmitted on the PSFCH.
  • Transport Block Transport Block
  • PSFCH Physical Sidelink Control Channel
  • Option 2 If the receiving terminal successfully decodes the corresponding TB, it transmits HARQ-ACK (acknowledgement, successful decoding) on the PSFCH. After decoding the relevant PSCCH targeted at the receiving terminal, if the corresponding TB cannot be successfully decoded, HARQ-NACK is transmitted on the PSFCH.
  • HARQ-ACK acknowledgement, successful decoding
  • FIG. 2 is a schematic flowchart of a data transmission method provided by an embodiment of the present application.
  • the data transmission method is applied to an electronic terminal, and the electronic terminal may be the terminal 2 in FIG. 1.
  • the specific process of the data transmission method can be as follows:
  • the sending terminal may be the terminal 2 in FIG. 1, and the electronic terminal may be the receiving terminal.
  • QoS parameters can include parameters such as priority, transmission rate, delay, reliability, and security.
  • the priority in QoS parameters is used to handle different communication modes, such as different propagation modes, or different urgency. Degree of communication business. When the business data cannot meet all the QoS requirements, the business data needs to be processed in order of priority by priority.
  • the sending terminal After obtaining the Qos parameter, the sending terminal causes the priority in the Qos parameter to be indicated by the first stage SCI (1 st stage SCI) information, and a working assumption has been formed that the priority indication information is 3 bits.
  • the definition and specific value of the priority in the first level SCI are determined by RAN2, and the mapping between the priority and the Qos parameter is also determined by RAN2.
  • the electronic terminal can send a service request to the core network through the sending terminal, the sending terminal receives the service data and the corresponding QoS parameters issued by the core network according to the service request, and the sending terminal maps the QoS parameters to the priority and sets the priority in the SCI In the information, the business data and the corresponding SCI information are sent to the electronic terminal.
  • the SCI information does not include the communication distance threshold, in order to not only meet the QoS requirements, but also improve the efficiency of control signaling resources, a mapping relationship is formed between the priority and the communication distance threshold so that the electronic terminal can follow the SCI information The priority in can obtain the corresponding communication distance threshold.
  • the priority and the communication distance threshold may form a one-to-one mapping relationship to form a communication distance threshold table, that is, each priority in the communication distance threshold table corresponds to a unique communication distance threshold.
  • the communication distance threshold table can be pre-configured to the electronic terminal and the sending terminal through high-level signaling.
  • multiple priority levels of data 000, 001,..., 111 are predetermined, and multiple communication distance thresholds X1, X2,..., X8 are determined.
  • multiple priority levels 000, 001,..., 111 can be arranged in descending order of priority, that is, priority 000 is the highest, priority 111 is the lowest, and multiple communication distance thresholds X1, X2,..., X9 can be arranged according to The numerical values are arranged in descending order, that is, the communication distance threshold X1 is the largest, and the communication distance threshold X9 is the smallest.
  • mapping relationship between multiple priorities and multiple communication distance thresholds can also be different.
  • the order of multiple priorities and the order of multiple communication distance thresholds can be configured by high-level configuration, and multiple priorities
  • the mapping relationship between a level and multiple communication distance thresholds can also be configured by a high level.
  • the priority and the communication distance requirement may form a one-to-one mapping relationship to form a communication distance requirement table, but the communication distance requirement includes at least one communication distance candidate value. If the communication distance requirement includes a communication distance candidate value, the communication distance candidate value is the communication distance threshold value. If the communication distance requirement includes multiple communication distance candidate values, the electronic terminal determines a communication distance from the multiple communication distance candidate values The candidate value is the communication distance threshold.
  • the communication distance requirement table can be pre-configured to the electronic terminal and the sending terminal through high-level signaling.
  • the obtaining the communication distance threshold corresponding to the priority information specifically includes:
  • the communication distance requirement includes at least one communication distance candidate value
  • the communication distance threshold is determined from the at least one communication distance candidate value.
  • multiple priority levels of data 000, 001,..., 111 are determined in advance, and multiple communication distance candidate values A1, A2,..., B1,..., H1, H2,... can be selected
  • the communication distance candidate values that have little effect on performance are divided into a group of communication distance requirements, such as A1, A2, ... are a group of communication distance candidate values required by communication distance, B1 is a group of communication distance candidate values required by communication distance, etc. .
  • multiple priority levels 000, 001, ..., 111 can be arranged in ascending order of priority, that is, priority 000 is the highest and priority 111 is the lowest.
  • the communication distance requirements for multiple groups can be arranged in ascending numerical order. Arrangement, that is, the overall value of A1, A2, ...
  • mapping relationship between multiple priorities and multiple communication distance requirements can also be different.
  • the order of multiple priorities and the order of multiple communication distance requirements can be configured by higher layers, and multiple priorities
  • the mapping relationship between one level and multiple communication distance requirements can also be configured by a high level.
  • the communication distance threshold can be determined from the multiple communication distance candidate values in various ways. For example, randomly select a communication distance candidate value from a plurality of communication distance candidate values as the communication distance threshold, or determine the communication distance threshold through high-level signaling, or add an index to the SCI information, the index is 2 bits to pass Index to determine the communication distance threshold.
  • the determining the communication distance threshold value from the at least one communication distance candidate value specifically includes:
  • a preset index table is searched, and the communication distance candidate value corresponding to the index is obtained from the at least one communication distance candidate value as the communication distance threshold.
  • the communication distance candidate values in a group of communication distance requirements are A1, A2, A3, A4, the index corresponding to A1 is set to 00, the index corresponding to A2 is set to 01, the index corresponding to A3 is set to 10, and the index corresponding to A4 is set to The index is 11.
  • the electronic terminal can further determine the communication distance threshold (such as A3) according to the index in the QoS (such as 10).
  • the larger the communication distance threshold the larger the communication range required by the communication distance.
  • the electronic device performs different processing on the service data by detecting the communication distance between it and the sending terminal, and judging whether the communication distance is within the communication range required by the communication distance.
  • the processing the service data according to the communication distance threshold specifically includes:
  • the location information of the sending terminal will be carried by the second stage SCI (2 nd stage SCI).
  • the electronic terminal calculates the communication distance between the electronic terminal and the sending terminal. If the communication distance between the electronic terminal and the sending terminal is less than or equal to the communication distance threshold, the electronic terminal feeds back response information for the Physical Sidelink Shared Channel (PSSCH), that is, HARQ feedback. If the communication distance between the electronic terminal and the sending terminal is greater than the communication distance threshold, the electronic terminal will not transmit HARQ feedback for the PSSCH.
  • PSSCH Physical Sidelink Shared Channel
  • the data transmission method provided by this application can receive the service data and the corresponding SCI information sent by the sending terminal, obtain the communication distance threshold corresponding to the priority in the SCI information, and process the service data according to the communication distance threshold.
  • the value of the communication distance requirement is no longer set in the SCI information, which saves signaling overhead and satisfies QoS requirements at the same time.
  • FIG. 3 is another flow diagram of the data transmission method provided by the embodiment of the present application.
  • the data transmission method is applied to an electronic terminal.
  • the specific flow of the data transmission method may be as follows:
  • the electronic terminal M is the receiving terminal, and the electronic terminal M receives the service data and the corresponding SCI information sent by the sending terminal N, and recognizes that the priority in the SCI information is 101 and the index is 00.
  • the communication distance requirement includes at least one communication distance candidate value.
  • the preset communication distance requirement table is shown in Table 3.
  • the electronic terminal M can obtain the communication distance requirement corresponding to priority 101 by looking up the table, including two communication distance candidate values 180 and 200.
  • the priority is arranged in ascending order
  • the communication distance requirements are arranged in ascending numerical order
  • the communication distance candidate value in the communication distance requirement corresponding to the high priority is greater than the low priority
  • index 00 corresponds to the first data
  • index 01 corresponds to the second data
  • the electronic terminal M queries the index table to determine that the index 00 corresponds to the communication distance candidate value 200, and thus the communication distance candidate value 200 As the communication distance threshold, that is, the electronic terminal M acquires the communication distance threshold as 200.
  • the electronic terminal M detects that the communication distance between it and the sending terminal N is 150 meters.
  • the electronic terminal M detects that the communication distance (150 meters) between it and the sending terminal N is less than the communication distance threshold (200 meters), the electronic terminal M feeds back corresponding information to the sending terminal N, namely HARQ feedback.
  • the embodiment of the present application determines the communication distance threshold between the electronic terminal M and the sending terminal N in combination with priority and index, so as to meet QoS requirements while saving signaling overhead.
  • this embodiment will be further described from the perspective of a data transmission device, which can be integrated into an electronic terminal.
  • the data transmission device may include: a receiving module 31, an acquiring module 32, and a processing module 33.
  • the receiving module 31 is configured to receive service data and corresponding SCI information sent by the sending terminal, where the SCI information includes priority.
  • the obtaining module 32 is configured to obtain the communication distance threshold corresponding to the priority.
  • the processing module 33 is configured to process the service data according to the communication distance threshold.
  • the acquiring module 32 specifically includes:
  • the searching unit 321 is configured to look up a preset communication distance requirement table, and obtain the communication distance requirement corresponding to the priority; the communication distance requirement includes at least one communication distance candidate value; and,
  • the determining unit 322 is configured to determine the communication distance threshold value from the at least one communication distance candidate value.
  • the SCI information further includes an index
  • the determining unit 322 is specifically configured to:
  • a preset index table is searched, and the communication distance candidate value corresponding to the index is obtained from the at least one communication distance candidate value as the communication distance threshold.
  • the data transmission device provided in this application can receive the service data and the corresponding SCI information sent by the sending terminal, obtain the communication distance threshold corresponding to the priority in the SCI information, and process the service data according to the communication distance threshold.
  • the value of the communication distance requirement is no longer set in the SCI information, which saves signaling overhead and satisfies QoS requirements at the same time.
  • the embodiment of the present application also provides an electronic terminal.
  • the electronic terminal 400 includes a processor 401 and a memory 402. Wherein, the processor 401 and the memory 402 are electrically connected.
  • the processor 401 is the control center of the electronic terminal 400. It uses various interfaces and lines to connect various parts of the entire electronic terminal. Various functions of the terminal and processing data, so as to monitor the electronic terminal as a whole.
  • the processor 401 in the electronic terminal 400 will load the instructions corresponding to the process of one or more application programs into the memory 402 according to the following steps, and the processor 401 will run the instructions and store them in the memory 402. In order to achieve various functions:
  • the service data is processed according to the communication distance threshold.
  • FIG. 7 is a schematic structural diagram of an electronic terminal provided by an embodiment of the application.
  • the electronic terminal can be used to implement the data transmission method provided in the foregoing embodiment.
  • the electronic terminal can be connected to the network.
  • the RF circuit 710 is used to receive and send electromagnetic waves, and realize the mutual conversion between electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices.
  • the RF circuit 710 may include various existing circuit elements for performing these functions, for example, an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a subscriber identity module (SIM) card, a memory, and so on.
  • the RF circuit 710 can communicate with various networks such as the Internet, an intranet, and a wireless network, or communicate with other devices through a wireless network.
  • the aforementioned wireless network may include a cellular telephone network, a wireless local area network, or a metropolitan area network.
  • the above-mentioned wireless network can use various communication standards, protocols and technologies, including but not limited to Global System for Mobile Communication (GSM), Enhanced Data GSM Environment, EDGE, and broadband code Wideband Code Division Multiple Access (WCDMA), Code Division Access (CDMA), Time Division Multiple Access (TDMA), and Wireless Fidelity (Wi-Fi) Fi) (such as the American Institute of Electrical and Electronics Engineers standards IEEE 802.11a, IEEE 802.11b, IEEE 802.11g and/or IEEE 802.11n), Internet telephony (Voice over Internet Protocol, VoIP), Worldwide Interoperability for Microwave Access, Wi-Max), other protocols for mail, instant messaging and short messages, and any other suitable communication protocols, even those that have not yet been developed.
  • GSM Global System for Mobile Communication
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Access
  • TDMA Time Division Multiple Access
  • Wi-Fi Wireless Fidelity
  • the memory 720 may be used to store software programs and modules, such as the corresponding program instructions/modules in the foregoing embodiments.
  • the processor 780 executes various functional applications and data processing by running the software programs and modules stored in the memory 720.
  • the memory 720 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.
  • the memory 720 may further include a memory remotely provided with respect to the processor 780, and these remote memories may be connected to the electronic terminal 700 through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the input unit 730 may be used to receive inputted digital or character information, and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.
  • the input unit 730 may include a touch-sensitive surface 731 and other input devices 732.
  • the touch-sensitive surface 731 also known as a touch screen (touch screen) or touch pad, can collect user touch operations on or near it (for example, the user uses a finger, stylus, or any other suitable object or accessory on the touch-sensitive surface 731 Operation on or near the touch-sensitive surface 731), and drive the corresponding connection device according to a preset program.
  • the touch-sensitive surface 731 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 780, and can receive and execute the commands sent by the processor 780.
  • the touch-sensitive surface 731 can be realized by various types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the input unit 730 may also include other input devices 732.
  • the other input device 732 may include, but is not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick.
  • the display unit 740 may be used to display information input by the user or information provided to the user, and various graphical user interfaces of the electronic terminal 700. These graphical user interfaces may be composed of graphics, text, icons, videos, and any combination thereof.
  • the display unit 740 may include a display panel 741.
  • the display panel 741 may be configured in the form of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), etc.
  • the touch-sensitive surface 731 can cover the display panel 741. When the touch-sensitive surface 731 detects a touch operation on or near it, it is transmitted to the processor 780 to determine the type of the touch event, and then the processor 780 responds to the touch event.
  • the type provides corresponding visual output on the display panel 741.
  • the touch-sensitive surface 731 and the display panel 741 are used as two independent components to realize the input and output functions, it is understandable that the touch-sensitive surface 731 and the display panel 741 are integrated to realize the input and output functions.
  • the electronic terminal 700 may also include at least one sensor 750, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 741 according to the brightness of the ambient light, and the proximity sensor can generate an interrupt when the flip is closed or closed.
  • the gravity acceleration sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary.
  • the electronic terminal 700 can also be configured with other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., here No longer.
  • the audio circuit 760, the speaker 761, and the microphone 762 can provide an audio interface between the user and the electronic terminal 700.
  • the audio circuit 760 can transmit the electric signal converted from the received audio data to the speaker 761, and the speaker 761 converts it into a sound signal for output; on the other hand, the microphone 762 converts the collected sound signal into an electric signal, and the audio circuit 760 converts the collected sound signal into an electric signal. After being received, it is converted into audio data, and then processed by the audio data output processor 780, and sent to, for example, another terminal via the RF circuit 710, or the audio data is output to the memory 720 for further processing.
  • the audio circuit 760 may also include an earplug jack to provide communication between a peripheral earphone and the electronic terminal 700.
  • the electronic terminal 700 can help users receive requests, send information, etc. through the transmission module 770 (for example, a Wi-Fi module), and it provides users with wireless broadband Internet access.
  • the transmission module 770 for example, a Wi-Fi module
  • the transmission module 770 it is understandable that it is not a necessary component of the electronic terminal 700 and can be omitted as needed without changing the essence of the invention.
  • the processor 780 is the control center of the electronic terminal 700, which uses various interfaces and lines to connect the various parts of the entire mobile phone, runs or executes software programs and/or modules stored in the memory 720, and calls data stored in the memory 720 , To perform various functions of the electronic terminal 700 and process data, so as to monitor the electronic terminal as a whole.
  • the processor 780 may include one or more processing cores; in some embodiments, the processor 780 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and For application programs, the modem processor mainly deals with wireless communication. It is understandable that the foregoing modem processor may not be integrated into the processor 780.
  • the electronic terminal 700 also includes a power source 790 (such as a battery) for supplying power to various components.
  • the power source may be logically connected to the processor 780 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • the power supply 790 may also include any components such as one or more DC or AC power supplies, a recharging system, a power failure detection circuit, a power converter or inverter, and a power status indicator.
  • the electronic terminal 700 also includes a camera (such as a front camera, a rear camera), a Bluetooth module, etc., which will not be repeated here.
  • the display unit of the electronic terminal is a touch screen display, and the electronic terminal also includes a memory and one or more programs.
  • One or more programs are stored in the memory and configured to be configured by one or more programs.
  • the above processor executes one or more programs including instructions for performing the following operations:
  • the service data is processed according to the communication distance threshold.
  • each of the above modules can be implemented as an independent entity, or can be combined arbitrarily, and implemented as the same or several entities.
  • each of the above modules please refer to the previous method embodiments, which will not be repeated here.
  • an embodiment of the present invention provides a storage medium in which multiple instructions are stored, and the instructions can be loaded by a processor to execute the steps in any data transmission method provided in the embodiments of the present invention.
  • the storage medium may include: read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.
  • the instructions stored in the storage medium can execute the steps in any data transmission method provided in the embodiments of the present invention, it can achieve what can be achieved by any data transmission method provided in the embodiments of the present invention.
  • the beneficial effects refer to the previous embodiment for details, and will not be repeated here.

Abstract

本申请公开了一种数据传输方法、装置及存储介质。所述方法包括：接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；获取所述优先级对应的通信距离阈值；根据所述通信距离阈值，对所述业务数据进行处理。

Description

数据传输方法、装置及存储介质
本申请要求于2020年2月14日提交中国专利局、申请号为202010092706.0、发明名称为“数据传输方法、装置、存储介质及电子终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种数据传输方法、装置及存储介质。
背景技术
车用无线通信技术(Vehicle to Everything，V2X)是将车辆与一切事物相连接的新一代信息通信技术，其中V代表车辆，X代表任何与车交互信息的对象，当前X主要包含车、人、交通路侧基础设施和网络。V2X交互的信息模式包括：车与车之间(Vehicle to Vehicle,V2V)、车与路之间(Vehicle to Infrastructure,V2I)、车与人之间(Vehicle to Pedestrian,V2P)、车与网络之间(Vehicle to Network,V2N)的交互。为了满足车与多种对象中的交互，特别是两个用户设备(User Equipment，UE)之间的直接通信，引入了直连通信(Sidelink)方式。
在Sidelink中，发送终端与接收终端之间的通信距离要求属于QoS(Quality of Service，服务质量)参数的一种，现有技术中的发送终端直接将通信距离要求的取值指示在SCI(Sidelink control information，旁路控制信息)信息中并发送给接收终端，以便接收终端基于通信距离要求对业务数据进行处理。但是通信距离要求的取值需要至少4比特在第二级SCI中指示，从而带来很大的信令开销。
技术问题
本申请实施例提供一种数据传输方法、装置及存储介质，能够在保证QoS要求的同时，降低信令开销。
技术解决方案
第一方面，本申请实施例提供了一种数据传输方法，应用于电子终端，所述方法包括：
接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
获取所述优先级对应的通信距离阈值；
根据所述通信距离阈值，对所述业务数据进行处理。
在本申请一些实施例中，所述获取所述优先级信息对应的通信距离阈值，具体包括：
查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；
从所述至少一个通信距离候选值中确定所述通信距离阈值。
在本申请一些实施例中，所述SCI信息还包括索引；
所述从所述至少一个通信距离候选值中确定所述通信距离阈值，具体包括：
查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
在本申请一些实施例中，高优先级对应的通信距离阈值大于低优先级对应的通信距离阈值。
在本申请一些实施例中，所述根据所述通信距离阈值，对所述业务数据进行处理，具体包括：
检测所述电子终端与所述发送终端之间的通信距离；
若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
第二发明，本申请实施例还提供了一种数据传输装置，应用于电子终端，所述装置包括：
接收模块，用于接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
获取模块，用于获取所述优先级对应的通信距离阈值；以及，
处理模块，用于根据所述通信距离阈值，对所述业务数据进行处理。
在本申请一些实施例中，所述获取模块具体包括：
查找单元，用于查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；以及，
确定单元，用于从所述至少一个通信距离候选值中确定所述通信距离阈值。
在本申请一些实施例中，所述SCI信息还包括索引；
所述确定单元具体用于：
查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
在本申请一些实施例中，高优先级对应的通信距离阈值大于低优先级对应的通信距离阈值。
在本申请一些实施例中，所述处理模块具体用于：
检测所述电子终端与所述发送终端之间的通信距离；若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
第三方面，本申请实施例还提供了一种计算机可读存储介质，所述存储介质中存储有多条指令，所述指令适于由处理器加载以执行以下操作：
接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
获取所述优先级对应的通信距离阈值；
根据所述通信距离阈值，对所述业务数据进行处理。
在本申请一些实施例中，所述获取所述优先级信息对应的通信距离阈值，具体包括：
查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；
从所述至少一个通信距离候选值中确定所述通信距离阈值。
在本申请一些实施例中，所述SCI信息还包括索引；
所述从所述至少一个通信距离候选值中确定所述通信距离阈值，具体包括：
查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
在本申请一些实施例中，高优先级对应的通信距离阈值大于低优 先级对应的通信距离阈值。
在本申请一些实施例中，所述根据所述通信距离阈值，对所述业务数据进行处理，具体包括：
检测所述电子终端与所述发送终端之间的通信距离；
若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
有益效果
本申请提供的数据传输方法、装置及存储介质，能够接收发送终端发送的业务数据及对应的SCI信息，获取SCI信息中优先级对应的通信距离阈值，并根据通信距离阈值，对业务数据进行处理，使SCI信息中不再设置通信距离要求的取值，节省信令开销，同时满足QoS要求。
附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的V2X系统的结构示意图；
图2为本申请实施例提供的数据传输方法的流程示意图；
图3为本申请实施例提供的数据传输方法的另一流程示意图；
图4为本申请实施例提供的数据传输装置的结构示意图；
图5为本申请实施例提供的数据传输装置中获取模块的结构示意图；
图6为本申请实施例提供的电子终端的结构示意图；
图7为本申请实施例提供的电子终端的另一结构示意图。
本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如图1所示，图1是V2X系统的结构示意图。V2X系统包括基站1和终端2，基站1可以包括各种形式的宏基站、微基站、中继站、接入点等，终端2可以为各种具有无限通信功能的手持设备、车载设备、可穿戴设备等电子设备，可以应用于车辆、基础设施等。基站1与终端2之间可以通过空口技术(如NR UU)连接，终端2与终端2之间可以通过Sidelink连接。Sidelink的通信方式通过媒体接入控制层(Media Access Control，MAC)的源标识和目标标识来实现寻址。在传输之前，终端2之间不需要预先连接。
V2X用例大致分为以下四种：
(1)车辆编队行驶(Vehicles Platooning)，使车辆动态形成一个编队，共同行进。编队中的所有车辆都从指挥车辆处获得信息来管理这个编队，这些信息允许车辆以一种协调的方式行驶的距离比平时更近，朝着同一个方向，一起行驶。
(2)扩展传感器(Extended Sensors)，允许在车辆、路侧单元(Road  side unit，RSU)、行人设备和V2X应用服务器之间交换通过本地传感器或实时视频图像收集的原始或处理过的数据。这些车辆可以增强对环境的感知能力，超出自身传感器的探测范围，对当地情况有更广泛、更全面的看法。高数据速率是其关键特征之一。
(3)高级驾驶(Advanced Driving)，可实现半自动或全自动驾驶。每个车辆和/或路侧单元与附近车辆共享从其本地传感器获得的感知数据，从而允许车辆同步和协调其行驶轨迹。每辆车都与其邻近的车辆共享它的行驶信息。
(4)远程驾驶(Remote Driving)，使远程司机或V2X应用程序能够为无法自己驾驶或位于危险环境中的远程车辆的乘客操作远程车辆。对于变化有限且路线可预测的情况，例如公共交通，可以使用基于云计算的驾驶，其主要需求为高可靠性和低延迟。
Sidelink中引入了groupcast(群组传播)的概念，主要针对上述Vehicles Platooning(车辆编队行驶)的用例。在groupcast中物理层支持混合自动重传(Hybrid Automatic Repeat request，HARQ)反馈和混合自动重传合并的功能。当为groupcast启用Sidelink HARQ反馈时，支持使用TX-RX(发送终端-接收终端)距离和/或参考信号接收功率(Reference Signal Receiving Power，RSRP)来决定是否发送HARQ反馈。Groupcast的HARQ反馈支持两种选项：
选项1：如果接收终端在解码相关的物理侧链路控制信道(Physical Sidelink Control Channel，PSCCH)后未能解码相应的传输块(Transport  Block，TB)，则在物理侧链路反馈信道(Physical Sidelink Feedback Channel，PSFCH)上传输HARQ-NACK(non-acknowledgement，解码失败)，否则在PSFCH上不发送信号。
选项2：如果接收终端成功解码了相应的TB，则在PSFCH上传输HARQ-ACK(acknowledgement，解码成功)。在解码了以接收终端为目标的相关PSCCH后，如果不能成功解码对应的TB，则在PSFCH上传输HARQ-NACK。
如图2所示，图2是本申请实施例提供的数据传输方法的流程示意图，该数据传输方法应用于电子终端，该电子终端可以为图1中的终端2。该数据传输方法的具体流程可以如下：
101.接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级。
本申请实施例中，发送终端可以为图1中的终端2，电子终端可以为接收终端。在V2X业务中，QoS参数可以包括优先级、传输速率、时延、可靠性和安全性等参数等，QoS参数中的优先级用于处理不同的通信模式，例如不同的传播模式，或不同紧急程度的通信业务。当业务数据不能满足所有的QoS要求时，需要通过优先级来按优先顺序对业务数据进行处理。发送终端在获取Qos参数后，使Qos参数中的优先级通过第一级SCI(1 st stage SCI)信息来指示，且已经形成了工作假设(working assumption)该优先级的指示信息为3比特。第一级SCI中的优先级的定义以及具体取值由RAN2来决定，并且该优先级与Qos参数之间的映射也由RAN2来决定。
电子终端可以通过发送终端向核心网发送业务请求，发送终端接收核心网根据业务请求下发的业务数据及对应的QoS参数，发送终端将Qos参数与优先级进行映射，并将优先级设置在SCI信息中，以将业务数据及对应的SCI信息发送给电子终端。
102.获取所述优先级对应的通信距离阈值。
本申请实施例中，由于SCI信息不包括通信距离阈值，为了既能满足QoS要求，又能提高控制信令资源效率，将优先级与通信距离阈值形成一种映射关系，以便电子终端根据SCI信息中的优先级即可获取对应的通信距离阈值。
在一个实施方式中，优先级与通信距离阈值可以形成一一对应的映射关系，以构成通信距离阈值表，即通信距离阈值表中的每个优先级对应唯一的通信距离阈值。通信距离阈值表可以通过高层信令预先配置给电子终端和发送终端。
例如，预先确定数据的多种优先级000、001、…、111，并确定多个通信距离阈值X1、X2、…、X8。其中，多种优先级000、001、…、111可以按照优先级由高到低的顺序排列，即优先级000最高，优先级111最低，多个通信距离阈值X1、X2、…、X9可以按照数值由大到小的顺序排列，即通信距离阈值X1最大，通信距离阈值X9最小。将多种优先级000、001、…、111与多个通信距离阈值X1、X2、…、X9一一对应的映射，如表1所示，即优先级越高，对应的通信距离阈值越大，优先级越低，对应的通信距离阈值越小。
优先级 通信距离阈值
000 X1
001 X2
010 X3
011 X4
100 X5
101 X6
110 X7
111 X8
表1
需要说明的是，根据不同的场景需求，多种优先级与多个通信距离阈值的映射关系也可以不同，多种优先级的顺序与多个通信距离阈值的顺序可以通过高层配置，多种优先级与多个通信距离阈值的映射关系也可以通过高层配置。
在另一个实施方式中，优先级与通信距离要求可以形成一一对应的映射关系，以构成通信距离要求表，但通信距离要求包括至少一个通信距离候选值。若通信距离要求包括一个通信距离候选值，则该通信距离候选值即为通信距离阈值，若通信距离要求包括多个通信距离候选值，则电子终端从多个通信距离候选值中确定一个通信距离候选值为通信距离阈值。通信距离要求表可以通过高层信令预先配置给电子终端和发送终端。
具体地，所述获取所述优先级信息对应的通信距离阈值，具体包括：
查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；
从所述至少一个通信距离候选值中确定所述通信距离阈值。
例如，预先确定数据的多种优先级000、001、…、111，并确定多个通信距离候选值A1、A2、…、B1、…、H1、H2、…，可以将多个通信距离候选值中对性能影响不大的通信距离候选值划分为一组通信距离要求，如A1、A2、…为一组通信距离要求的通信距离候选值，B1为一组通信距离要求的通信距离候选值等。其中，多种优先级000、001、…、111可以按照优先级由高到低的顺序排列，即优先级000最高，优先级111最低，多组通信距离要求可以按照数值由大到小的顺序排列，即A1、A2、…的整体数值最大，H1、H2、…的整体数值最小，且A1、A2、…中的每个数值均大于H1、H2、…中的每个数值。将多种优先级000、001、…、111与多个通信距离要求一一对应的映射，如表2所示，即优先级越高，对应的通信距离要求中的通信距离候选值越大，优先级越低，对应的通信距离要求中的通信距离候选值越小。
优先级 通信距离要求
000 A1、A2、…
001 B1
010 C1、C2、…
011 D1、D2、…
100 E1
101 F1
110 G1、G2、…
111 H1、H2、…
表2
需要说明的是，根据不同的场景需求，多种优先级与多个通信距离要求的映射关系也可以不同，多种优先级的顺序与多个通信距离要求的顺序可以通过高层配置，多种优先级与多个通信距离要求的映射关系也可以通过高层配置。
在获取优先级对应的通信距离要求后，若该通信距离要求包括多个通信距离候选值，则可以通过多种方式从多个通信距离候选值中确定通信距离阈值。例如，从多个通信距离候选值中随机选取一个通信距离候选值作为通信距离阈值，或者通过高层信令来确定通信距离阈值，或者在SCI信息中增加一个索引，该索引为2比特，以通过索引来确定通信距离阈值。
具体地，所述从所述至少一个通信距离候选值中确定所述通信距离阈值，具体包括：
查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
例如，一组通信距离要求中的通信距离候选值为A1、A2、A3、A4，设置A1对应的索引为00，设置A2对应的索引为01，设置A3对应的索引为10，设置A4对应的索引为11。电子终端根据QoS中的索引(如10)，即可进一步确定通信距离阈值(如A3)。
103.根据所述通信距离阈值，对所述业务数据进行处理。
本申请实施例中，通信距离阈值越大，通信距离要求的通信范围就越大。电子设备通过检测其与发送终端之间通信距离，并判断该通信距离是否位于通信距离要求的通信范围内来对业务数据进行不同的处理。
具体地，所述根据所述通信距离阈值，对所述业务数据进行处理，具体包括：
检测所述电子终端与所述发送终端之间的通信距离；
若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
需要说明的是，发送终端的位置信息会通过第二级SCI(2 nd stage SCI)来承载，电子终端在获取发送终端的位置信息后，计算电子终端与发送终端之间的通信距离。若电子终端与发送终端之间的通信距离小于或等于通信距离阈值，则电子终端为物理侧链路共享信道(Physical Sidelink Shared Channel，PSSCH)反馈响应信息，即HARQ反馈。若电子终端与发送终端之间的通信距离大于通信距离阈值，则电子终端不会为PSSCH传输HARQ反馈。
由上述可知，本申请提供的数据传输方法，能够接收发送终端发送的业务数据及对应的SCI信息，获取SCI信息中优先级对应的通信距离阈值，并根据通信距离阈值，对业务数据进行处理，使SCI信息中不再设置通信距离要求的取值，节省信令开销，同时满足QoS要求。
参见图3，是本申请实施例提供的数据传输方法的另一流程示意图，该数据传输方法应用于电子终端，该数据传输方法的具体流程可以如下：
201.接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级和索引。
例如，电子终端M为接收终端，电子终端M接收发送终端N发送的业务数据及对应的SCI信息，并识别出SCI信息中的优先级为101，索引为00。
202.查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值。
例如，预设的通信距离要求表如表3所示，电子终端M通过查表，可以获取优先级101对应的通信距离要求包括2个通信距离候选值180、200。在通信距离要求表中，优先级按照由高到低的顺序排列，通信距离要求按照数值由大到小的顺序排列，且高优先级对应的通信距离要求中的通信距离候选值大于低优先级对应的通信距离要求中的通信距离候选值。
优先级 通信距离要求(米)
000 1000
001 700
010 500
011 400
100 350
101 200、180
110 80
111 50
表3
203.查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
例如，在索引表中，索引00对应第一个数据，索引01对应第二个数据等，因此电子终端M查询索引表，可以确定索引00对应通信距离候选值200，从而将通信距离候选值200作为通信距离阈值，即电子终端M获取通信距离阈值为200。
204.检测所述电子终端与所述发送终端之间的通信距离。
例如，电子终端M检测到其与发送终端N之间的通信距离为150米。
205.若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
例如，电子终端M检测到其与发送终端N之间的通信距离(150米)小于通信距离阈值(200米)，则电子终端M向发送终端N反馈相应信息，即HARQ反馈。
本申请实施例结合优先级和索引来确定电子终端M与发送终端N之间的通信距离阈值，以在满足QoS要求的同时，节省信令开销。
根据上述实施例所描述的方法，本实施例将从数据传输装置的角度进一步进行描述，该数据传输装置可以集成电子终端中。
请参阅图4，图4具体描述了本申请实施例提供的数据传输装置，该数据传输装置可以包括：接收模块31、获取模块32和处理模块33。
(1)接收模块31
接收模块31，用于接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级。
(2)获取模块32
获取模块32，用于获取所述优先级对应的通信距离阈值。
(3)处理模块33
处理模块33，用于根据所述通信距离阈值，对所述业务数据进行处理。
在本申请的一些实施例中，如图5所示，所述获取模块32具体包括：
查找单元321，用于查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；以及，
确定单元322，用于从所述至少一个通信距离候选值中确定所述通信距离阈值。
在本申请的一些实施例中，所述SCI信息还包括索引；
所述确定单元322具体用于：
查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
由上述可知，本申请提供的数据传输装置，能够接收发送终端发 送的业务数据及对应的SCI信息，获取SCI信息中优先级对应的通信距离阈值，并根据通信距离阈值，对业务数据进行处理，使SCI信息中不再设置通信距离要求的取值，节省信令开销，同时满足QoS要求。
另外，本申请实施例还提供一种电子终端。如图6所示，电子终端400包括处理器401、存储器402。其中，处理器401与存储器402电性连接。
处理器401是电子终端400的控制中心，利用各种接口和线路连接整个电子终端的各个部分，通过运行或加载存储在存储器402内的应用程序，以及调用存储在存储器402内的数据，执行电子终端的各种功能和处理数据，从而对电子终端进行整体监控。
在本实施例中，电子终端400中的处理器401会按照如下的步骤，将一个或一个以上的应用程序的进程对应的指令加载到存储器402中，并由处理器401来运行存储在存储器402中的应用程序，从而实现各种功能：
接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
获取所述优先级对应的通信距离阈值；
根据所述通信距离阈值，对所述业务数据进行处理。
请参阅图7，图7为本申请实施例提供的电子终端的结构示意图。该电子终端可以用于实施上述实施例中提供的数据传输方法。该电子终端可以连接网络。
RF电路710用于接收以及发送电磁波，实现电磁波与电信号的相 互转换，从而与通讯网络或者其他设备进行通讯。RF电路710可包括各种现有的用于执行这些功能的电路元件，例如，天线、射频收发器、数字信号处理器、加密/解密芯片、用户身份模块(SIM)卡、存储器等等。RF电路710可与各种网络如互联网、企业内部网、无线网络进行通讯或者通过无线网络与其他设备进行通讯。上述的无线网络可包括蜂窝式电话网、无线局域网或者城域网。上述的无线网络可以使用各种通信标准、协议及技术，包括但并不限于全球移动通信系统(Global System for Mobile Communication,GSM)、增强型移动通信技术(Enhanced Data GSM Environment,EDGE)，宽带码分多址技术(Wideband Code Division Multiple Access,WCDMA)，码分多址技术(Code Division Access,CDMA)、时分多址技术(Time Division Multiple Access,TDMA)，无线保真技术(Wireless Fidelity，Wi-Fi)(如美国电气和电子工程师协会标准IEEE 802.11a，IEEE 802.11b,IEEE802.11g和/或IEEE 802.11n)、网络电话(Voice over Internet Protocol,VoIP)、全球微波互联接入(Worldwide Interoperability for Microwave Access，Wi-Max)、其他用于邮件、即时通讯及短消息的协议，以及任何其他合适的通讯协议，甚至可包括那些当前仍未被开发出来的协议。
存储器720可用于存储软件程序以及模块，如上述实施例中对应的程序指令/模块，处理器780通过运行存储在存储器720内的软件程序以及模块，从而执行各种功能应用以及数据处理。存储器720可包括高速随机存储器，还可包括非易失性存储器，如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中，存储器720可进一步包括相对于处理器780远程设置的存储器，这些远程存储器可以通过网络连接至电子终端700。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
输入单元730可用于接收输入的数字或字符信息，以及产生与用户设置以及功能控制有关的键盘、鼠标、操作杆、光学或者轨迹球信号输入。具体地，输入单元730可包括触敏表面731以及其他输入设备732。触敏表面731，也称为触摸显示屏(触摸屏)或者触控板，可收 集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触敏表面731上或在触敏表面731附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触敏表面731可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器780，并能接收处理器780发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触敏表面731。除了触敏表面731，输入单元730还可以包括其他输入设备732。具体地，其他输入设备732可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元740可用于显示由用户输入的信息或提供给用户的信息以及电子终端700的各种图形用户接口，这些图形用户接口可以由图形、文本、图标、视频和其任意组合来构成。显示单元740可包括显示面板741，可选的，可以采用LCD(Liquid Crystal Display，液晶显示器)、OLED(Organic Light-Emitting Diode,有机发光二极管)等形式来配置显示面板741。进一步的，触敏表面731可覆盖显示面板741，当触敏表面731检测到在其上或附近的触摸操作后，传送给处理器780以确定触摸事件的类型，随后处理器780根据触摸事件的类型在显示面板741上提供相应的视觉输出。虽然在图中，触敏表面731与显示面板741是作为两个独立的部件来实现输入和输出功能，但是可以理解地，将触敏表面731与显示面板741集成而实现输入和输出功能。
电子终端700还可包括至少一种传感器750，比如光传感器、运动传感器以及其他传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板741的亮度，接近传感器可在翻盖合上或者关闭时产生中断。作为运动传感器的一种，重力加速度传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别 手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于电子终端700还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
音频电路760、扬声器761，传声器762可提供用户与电子终端700之间的音频接口。音频电路760可将接收到的音频数据转换后的电信号，传输到扬声器761，由扬声器761转换为声音信号输出；另一方面，传声器762将收集的声音信号转换为电信号，由音频电路760接收后转换为音频数据，再将音频数据输出处理器780处理后，经RF电路710以发送给比如另一终端，或者将音频数据输出至存储器720以便进一步处理。音频电路760还可能包括耳塞插孔，以提供外设耳机与电子终端700的通信。
电子终端700通过传输模块770(例如Wi-Fi模块)可以帮助用户接收请求、发送信息等，它为用户提供了无线的宽带互联网访问。虽然图示出了传输模块770，但是可以理解的是，其并不属于电子终端700的必须构成，完全可以根据需要在不改变发明的本质的范围内而省略。
处理器780是电子终端700的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器720内的软件程序和/或模块，以及调用存储在存储器720内的数据，执行电子终端700的各种功能和处理数据，从而对电子终端进行整体监控。可选的，处理器780可包括一个或多个处理核心；在一些实施例中，处理器780可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解地，上述调制解调处理器也可以不集成到处理器780中。
电子终端700还包括给各个部件供电的电源790(比如电池)，在一些实施例中，电源可以通过电源管理系统与处理器780逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。电源790还可以包括一个或一个以上的直流或交流电源、再充电系统、电源故障检测电路、电源转换器或者逆变器、电源状态指示器等任意 组件。
尽管未示出，电子终端700还包括摄像头(如前置摄像头、后置摄像头)、蓝牙模块等，在此不再赘述。具体在本实施例中，电子终端的显示单元是触摸屏显示器，电子终端还包括有存储器，以及一个或者一个以上的程序，其中一个或者一个以上程序存储于存储器中，且经配置以由一个或者一个以上处理器执行一个或者一个以上程序包含用于进行以下操作的指令：
接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
获取所述优先级对应的通信距离阈值；
根据所述通信距离阈值，对所述业务数据进行处理。
具体实施时，以上各个模块可以作为独立的实体来实现，也可以进行任意组合，作为同一或若干个实体来实现，以上各个模块的具体实施可参见前面的方法实施例，在此不再赘述。
本领域普通技术人员可以理解，上述实施例的各种方法中的全部或部分步骤可以通过指令来完成，或通过指令控制相关的硬件来完成，该指令可以存储于一计算机可读存储介质中，并由处理器进行加载和执行。为此，本发明实施例提供一种存储介质，其中存储有多条指令，该指令能够被处理器进行加载，以执行本发明实施例所提供的任一种数据传输方法中的步骤。
其中，该存储介质可以包括：只读存储器(ROM，Read Only Memory)、随机存取记忆体(RAM，Random Access Memory)、磁盘或光盘等。
由于该存储介质中所存储的指令，可以执行本发明实施例所提供的任一种数据传输方法中的步骤，因此，可以实现本发明实施例所提供的任一种数据传输方法所能实现的有益效果，详见前面的实施例，在此不再赘述。
以上各个操作的具体实施可参见前面的实施例，在此不再赘述。综上该，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (15)

  1. 一种数据传输方法，应用于电子终端，所述方法包括：
    接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
    获取所述优先级对应的通信距离阈值；
    根据所述通信距离阈值，对所述业务数据进行处理。
  2. 根据权利要求1所述的数据传输方法，其中，所述获取所述优先级信息对应的通信距离阈值，具体包括：
    查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；
    从所述至少一个通信距离候选值中确定所述通信距离阈值。
  3. 根据权利要求2所述的数据传输方法，其中，所述SCI信息还包括索引；
    所述从所述至少一个通信距离候选值中确定所述通信距离阈值，具体包括：
    查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
  4. 根据权利要求1所述的数据传输方法，其中，高优先级对应的通信距离阈值大于低优先级对应的通信距离阈值。
  5. 根据权利要求1所述的数据传输方法，其中，所述根据所述通信距离阈值，对所述业务数据进行处理，具体包括：
    检测所述电子终端与所述发送终端之间的通信距离；
    若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
  6. 一种数据传输装置，应用于电子终端，所述装置包括：
    接收模块，用于接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
    获取模块，用于获取所述优先级对应的通信距离阈值；以及，
    处理模块，用于根据所述通信距离阈值，对所述业务数据进行处理。
  7. 根据权利要求6所述的数据传输装置，其中，所述获取模块具体包括：
    查找单元，用于查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；以及，
    确定单元，用于从所述至少一个通信距离候选值中确定所述通信距离阈值。
  8. 根据权利要求7所述的数据传输装置，其中，所述SCI信息还包括索引；
    所述确定单元具体用于：
    查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
  9. 根据权利要求6所述的数据传输装置，其中，高优先级对应的通信距离阈值大于低优先级对应的通信距离阈值。
  10. 根据权利要求6所述的数据传输装置，其中，所述处理模块具体用于：
    检测所述电子终端与所述发送终端之间的通信距离；若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
  11. 一种计算机可读存储介质，所述存储介质中存储有多条指令，所述指令适于由处理器加载以执行以下操作：
    接收发送终端发送的业务数据及对应的SCI信息，所述SCI信息包括优先级；
    获取所述优先级对应的通信距离阈值；
    根据所述通信距离阈值，对所述业务数据进行处理。
  12. 根据权利要求11所述的计算机可读存储介质，其中，所述获取所述优先级信息对应的通信距离阈值，具体包括：
    查找预设的通信距离要求表，获取所述优先级对应的通信距离要求；所述通信距离要求包括至少一个通信距离候选值；
    从所述至少一个通信距离候选值中确定所述通信距离阈值。
  13. 根据权利要求12所述的计算机可读存储介质，其中，所述SCI信息还包括索引；
    所述从所述至少一个通信距离候选值中确定所述通信距离阈值，具体包括：
    查找预设的索引表，从所述至少一个通信距离候选值中获取所述索引对应的通信距离候选值，作为所述通信距离阈值。
  14. 根据权利要求11所述的计算机可读存储介质，其中，高优先级对应的通信距离阈值大于低优先级对应的通信距离阈值。
  15. 根据权利要求11所述的计算机可读存储介质，其中，所述根据所述通信距离阈值，对所述业务数据进行处理，具体包括：
    检测所述电子终端与所述发送终端之间的通信距离；
    若所述通信距离未超过所述通信距离阈值，则向所述发送终端反馈响应信息。
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