WO2017147760A1 - 一种非授权频谱下的数据传输方法及系统、终端设备 - Google Patents

一种非授权频谱下的数据传输方法及系统、终端设备 Download PDF

Info

Publication number
WO2017147760A1
WO2017147760A1 PCT/CN2016/074873 CN2016074873W WO2017147760A1 WO 2017147760 A1 WO2017147760 A1 WO 2017147760A1 CN 2016074873 W CN2016074873 W CN 2016074873W WO 2017147760 A1 WO2017147760 A1 WO 2017147760A1
Authority
WO
WIPO (PCT)
Prior art keywords
network device
time window
terminal device
data packet
sent
Prior art date
Application number
PCT/CN2016/074873
Other languages
English (en)
French (fr)
Inventor
于海凤
于峰
于光炜
张武荣
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201680082322.2A priority Critical patent/CN108702790B/zh
Priority to KR1020187027415A priority patent/KR102148273B1/ko
Priority to EP16891953.8A priority patent/EP3410809B1/en
Priority to PCT/CN2016/074873 priority patent/WO2017147760A1/zh
Publication of WO2017147760A1 publication Critical patent/WO2017147760A1/zh
Priority to US16/115,328 priority patent/US11057930B2/en

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/02Hybrid access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a data transmission method and system, and a terminal device in an unlicensed spectrum.
  • Wireless communication is realized between communication devices by using spectrum.
  • the spectrum can be roughly divided into two categories, one of which is a licensed spectrum and the other is an unlicensed spectrum.
  • the communication device can use the unlicensed spectrum before it is idle before using the unlicensed spectrum for communication.
  • Unlicensed spectrum for communication The process in which the communication device listens to whether the unlicensed spectrum is occupied is called a listen before talk (LBT) process.
  • LBT listen before talk
  • the listening capabilities of communication devices in different systems are different. Due to the difference in listening capabilities, for terminal devices with far-reaching network equipment, the signal attenuation is serious due to the long distance. Other terminal devices may perform LBT processing. Communication between such terminal devices and network devices that are far away from coverage is not detected, so that other terminal devices occupy unlicensed spectrum transmission data, thereby causing signals to interfere with each other and the overall performance of the network is poor.
  • the communication device communicates using the unlicensed spectrum based on the manner of scheduling transmission, the signal mutual interference between the systems can be alleviated to some extent.
  • the method based on the scheduled transmission is not applicable to all terminal devices.
  • the signal is seriously attenuated due to the long distance, and the network device may need to send the scheduling to the terminal device through the downlink channel multiple times.
  • the terminal device can learn the spectrum resources allocated by the network device. This method will increase the overhead of scheduling signaling. Considering the limited downlink channel resources used for transmission scheduling signaling, such terminal devices with far coverage are far away. It is not suitable for data transmission with network devices based on scheduled transmission.
  • An embodiment of the present invention provides a data transmission method and system in an unlicensed spectrum, and a terminal device, which is used to implement data transmission between a terminal device and a network device in an unlicensed spectrum, and meets requirements for unlicensed spectrum usage. Under the premise of regulatory constraints, it effectively mitigates signal interference between different systems.
  • a data transmission method in an unlicensed spectrum includes:
  • the terminal device In the initial processing time of the terminal device in the current channel occupation time window of the network device, when the remaining time length of the current channel occupation time window of the network device is greater than or equal to the terminal device transmitting the data packet to be sent to the network device.
  • the terminal device selects, from the user attribute, the mapping relationship between the attribute of the data packet and the transmission mode, the terminal device to the terminal device according to the user attribute of the user and the attribute of the data packet to be sent. Transmitting, by the network device, the transmission manner of the data packet to be sent;
  • the user attribute in the mapping relationship includes a user attribute of the terminal device itself, and the user attribute of the terminal device itself is a central user or an edge user, and attributes of the data packet in the mapping relationship include The attribute of the data packet to be sent, where the attribute of the data packet to be sent is a large data packet or a small data packet;
  • the terminal device transmits the data packet to be sent to the network device by using the selected transmission mode.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The third time window is used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner; or
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The second time window and the third time window are used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner.
  • the terminal device performs system synchronization with the network device, so that the terminal device learns the configuration information of the current channel occupation time window of the network device through system synchronization.
  • mapping relationship when each channel occupation time window of the network device includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode; or, for the user attribute of the user is the center
  • the attribute of the data packet to be sent is a terminal device of a small data packet, and the selected transmission mode is the first transmission mode;
  • the first transmission mode includes: in a third time window of a current channel occupation time window of the network device, the terminal device transmits the to-be-sent data packet to the network device by using an available uplink channel.
  • the terminal device that selects the first transmission mode can transmit the data packet to be sent to the network device by using a contention or a low duty ratio, and can discard the process of transmitting the data packet by the terminal device, thereby effectively alleviating signal mutual interference between different systems. .
  • the first transmission manner when each channel occupation time window of the network device further includes a second time window, the first transmission manner further includes:
  • the terminal device receives the acknowledgement information fed back by the network device by listening to the downlink channel, where the confirmation information is used. Instructing the network device to receive whether the data packet to be sent transmitted by the terminal device is successful.
  • mapping relationship when each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, the mapping relationship includes:
  • the selected transmission mode is the second transmission mode;
  • the second transmission mode includes:
  • the terminal device Sending, by using an available uplink channel, a buffer status report BSR to the network device, where the BSR is configured to request the network device to allocate a data packet transmission resource;
  • the terminal device acquires a data packet transmission resource allocated by the network device by listening to the downlink channel;
  • the terminal device transmits the data packet to be sent to the network device by using a data packet transmission resource allocated by the network device.
  • the data packet is sent to the network device by using a scheduling transmission manner, which can effectively alleviate signal mutual interference between different systems.
  • the second transmission mode further includes:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device receives the acknowledgement information fed back by the network device by listening to the downlink channel, where the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the terminal device is successful.
  • the terminal device that selects the second transmission mode, since the attribute of the data packet to be sent by the terminal device is a large data packet, if the network device allocates the data packet transmission resource at this time, the terminal device The network device transmits the data packet to be sent, and the terminal device can carry the BSR while transmitting the data packet to the network device, so as to prevent the terminal device from separately sending the BSR to the network device to request the network device to allocate the data packet transmission resource, thereby causing waste of resources.
  • the method before the terminal device selects a transmission mode for the terminal device to transmit the data packet to be sent to the network device, the method further includes:
  • the terminal device confirms that the number of data packets transmitted by the terminal device to the network device is less than or equal to a first threshold.
  • the terminal device after the terminal device transmits the data packet to be sent to the network device, if the terminal device still has a data packet that needs to continue to be sent, the terminal device does not need to wait for the receiving network device to feed back the confirmation information, as long as the network device is satisfied.
  • the remaining duration of the third time window of the current channel occupancy time window satisfies the duration of continuing to transmit the data packet, and the number of data packets transmitted by the terminal device is small.
  • the terminal device may continue to send the data packet to the network device within a third time window of the current channel occupation time window of the network device.
  • the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information may also be used to indicate whether the network device receives each data packet transmitted by the terminal device successfully, that is, the network device passes a downlink.
  • the channel feeds back the receiving status of all data packets from the same terminal device to the terminal device, so as to save signaling overhead.
  • the method before the terminal device selects a transmission mode for the terminal device to transmit the data packet to be sent to the network device, the method further includes:
  • the terminal device acquires a second threshold of the setting information from the network device, where the second threshold is used to determine that the user attribute of the terminal device is a central user or an edge user, and the setting information includes an overlay level or Reference signal received power RSRP;
  • the terminal device determines its own user attribute according to the second threshold and the measurement result that is measured by itself and is consistent with the setting information.
  • the method before the terminal device selects a transmission mode for the terminal device to transmit the data packet to be sent to the network device, the method further includes:
  • the terminal device obtains a third threshold from the network device, where the third threshold is used to determine that the attribute of the data packet to be sent is a large data packet or a small data packet;
  • a data transmission method in an unlicensed spectrum provided by an embodiment of the present invention includes
  • the terminal device selects, according to its own user attribute, a transmission mode for the terminal device to transmit the data packet to be sent to the network device from a mapping relationship between the user attribute and the transmission mode;
  • the user attribute in the mapping relationship includes a user genus of the terminal device itself.
  • the user attribute of the terminal device itself is a central user or an edge user;
  • the terminal device transmits the data packet to be sent to the network device by using the selected transmission mode.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The third time window is used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner; or
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The second time window and the third time window are used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner.
  • mapping relationship when each channel occupation time window of the network device includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode
  • the first transmission mode includes: in a third time window of a current channel occupation time window of the network device, the terminal device transmits the to-be-sent data packet to the network device by using an available uplink channel.
  • the first transmission manner when each channel occupation time window of the network device further includes a second time window, the first transmission manner further includes:
  • the terminal device acquires confirmation information fed back by the network device by listening to the downlink channel, where the confirmation information is used for Instructing the network device to receive whether the data packet to be sent transmitted by the terminal device is successful.
  • mapping relationship when each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, the mapping relationship includes:
  • the selected transmission mode is the second. Transmission mode; the second transmission mode includes:
  • the terminal device sends a buffer status report BSR to the network device by using an available uplink channel, where the BSR is used to request the network device to allocate data.
  • Packet transmission resource
  • the terminal device acquires a data packet transmission resource allocated by the network device by monitoring a physical downlink channel;
  • the terminal device transmits the data packet to be sent to the network device by using a data packet transmission resource allocated by the network device.
  • the second transmission mode further includes:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, where the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the terminal device is successful.
  • the method before the terminal device selects a transmission mode for the terminal device to transmit the data packet to be sent to the network device, the method further includes:
  • the terminal device confirms that the number of data packets transmitted by the terminal device to the network device is less than or equal to a first threshold.
  • the method before the terminal device selects a transmission mode for the terminal device to transmit the data packet to be sent to the network device, the method further includes:
  • the terminal device acquires a second threshold of the setting information from the network device, where the second threshold is used to determine that the user attribute of the terminal device is a central user or an edge user, and the setting information includes an overlay level or Reference signal received power RSRP;
  • the terminal device determines its own user attribute according to the second threshold and the measurement result that is measured by itself and is consistent with the setting information.
  • an embodiment of the present invention provides a terminal device, which has a function of implementing behavior of a terminal device in the design of the foregoing method.
  • the function can be implemented by hardware or by The hardware implementation of the corresponding software implementation.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • the structure of the terminal device includes a processor and a transmitter, and the processor is configured to use the user attribute and the data packet according to the user attribute of the terminal device and the attribute of the data packet to be sent.
  • the processor is configured to use the user attribute according to the user attribute of the terminal device.
  • a mapping relationship between the attribute and the transmission mode selecting a transmission mode for the sending module to transmit the data packet to be sent to the network device; or the processor is configured to use the user attribute according to the user attribute of the terminal device
  • a transmission mode for the transmission module to transmit the data packet to be transmitted to the network device is selected.
  • the transmitter is configured to support communication between the terminal device and the network device, the transmitter supporting the transmission mode selected by the processor, and transmitting the to-be-sent to the network device data pack.
  • the terminal device may also include a memory for coupling with the processor, which stores program instructions and data necessary for the terminal device.
  • the structure of the terminal device may further include a receiver, the receiver is configured to support communication between the terminal device and the network device, and the receiver supports receiving the Downlink information sent by the network device to the terminal device, where the downlink information is used by a processor of the terminal device to select a transmission mode.
  • a data transmission method in an unlicensed spectrum includes:
  • the network device determines downlink information, where the downlink information includes: a current channel occupation time window of the network device, a start processing time of the terminal device in the current channel occupation time window, a user attribute, a data packet attribute, and a transmission a mapping relationship of the mode, where the user attribute in the mapping relationship includes a central user and an edge user, and the data packet attributes in the mapping relationship include a large data packet and a small data packet;
  • the network device sends the downlink information to the terminal device, where the downlink information is used by the terminal device to select a transmission mode of the data packet to be sent to the network device.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used by the terminal device and the network device System synchronization, where the third time window is used by the terminal device to perform data packet transmission with the network device by using a selected transmission mode; or
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The second time window and the third time window are used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner.
  • mapping relationship when each channel occupation time window of the network device includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode; or, for the user attribute of the user is the center
  • the attribute of the data packet to be sent is a terminal device of a small data packet, and the selected transmission mode is the first transmission mode;
  • the first transmission mode includes: in a third time window of a current channel occupation time window of the network device, the terminal device transmits the to-be-sent data packet to the network device by using an available uplink channel.
  • the first transmission manner when each channel occupation time window of the network device further includes a second time window, the first transmission manner further includes:
  • the terminal device receives the acknowledgement information fed back by the network device by listening to the downlink channel, where the confirmation information is used. Instructing the network device to receive whether the data packet to be sent transmitted by the terminal device is successful.
  • mapping relationship when each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, the mapping relationship includes:
  • the selected transmission mode is the second transmission mode;
  • the second transmission mode includes:
  • the terminal device sends a buffer status report BSR to the network device by using an available uplink channel, where the BSR is used Requesting the network device to allocate a data packet transmission resource;
  • the terminal device acquires a data packet transmission resource allocated by the network device by listening to the downlink channel;
  • the terminal device transmits the data packet to be sent to the network device by using a data packet transmission resource allocated by the network device.
  • the second transmission mode further includes:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device receives the acknowledgement information fed back by the network device by listening to the downlink channel, where the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the terminal device is successful.
  • the downlink information further includes a first threshold, where the first threshold is used by the terminal device to determine whether it meets a data packet transmission condition.
  • the network device sets and dynamically adjusts the first threshold according to the resource quantity of the uplink channel available in the third time window and the processing capability of the network device, and the processing capability of the network device includes the configuration of the downlink channel and the data packet in the second time window.
  • the configuration of the transmission resource (uplink channel), etc., achieves the effect of load balancing while ensuring resource utilization in the third time window.
  • the downlink information further includes a second threshold of setting information, where the setting information includes an coverage level or reference signal received power RSRP, and the second threshold is used to determine a user attribute of the center as a center. User or edge user.
  • the setting information includes an coverage level or reference signal received power RSRP
  • the second threshold is used to determine a user attribute of the center as a center. User or edge user.
  • the downlink information further includes a third threshold, where the third threshold is used to determine that the attribute of the to-be-sent packet of the terminal device is a large data packet or a small data packet.
  • a data transmission method in an unlicensed spectrum includes:
  • the network device determines downlink information, where the downlink information includes: a current channel occupation time window of the network device, a start processing time of the terminal device in the current channel occupation time window, and a mapping relationship between the user attribute and the transmission mode;
  • the user attribute in the mapping relationship includes Central users and edge users;
  • the network device sends the downlink information to the terminal device, where the downlink information is used by the terminal device to select a transmission mode of the data packet to be sent to the network device.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The third time window is used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner; or
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, The second time window and the third time window are used by the terminal device to perform data packet transmission with the network device by using a selected transmission manner.
  • mapping relationship when each channel occupation time window of the network device includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode
  • the first transmission mode includes: in a third time window of a current channel occupation time window of the network device, the terminal device transmits the to-be-sent data packet to the network device by using an available uplink channel.
  • the first transmission manner when each channel occupation time window of the network device further includes a second time window, the first transmission manner further includes:
  • the terminal device acquires confirmation information fed back by the network device by listening to the downlink channel, where the confirmation information is used for Instructing the network device to receive whether the data packet to be sent transmitted by the terminal device is successful.
  • mapping relationship when each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, the mapping relationship includes:
  • the selected transmission mode is the second. Transmission mode; the second transmission mode includes:
  • the terminal device sends a buffer status report BSR to the network device by using an available uplink channel, where the BSR is used to request the network device to allocate data.
  • Packet transmission resource
  • the terminal device acquires a data packet transmission resource allocated by the network device by monitoring a physical downlink channel;
  • the terminal device transmits the data packet to be sent to the network device by using a data packet transmission resource allocated by the network device.
  • the second transmission mode further includes:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, where the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the terminal device is successful.
  • the downlink information further includes a first threshold, where the first threshold is used to determine whether the terminal device meets a data packet transmission condition.
  • the downlink information further includes a second threshold of the setting information, where the setting information includes an coverage level or a reference signal received power RSRP, and the second threshold is used to determine a user of the terminal device.
  • the attribute is a central user or an edge user.
  • an embodiment of the present invention provides a network device, where the network device has a function of implementing network device behavior in the foregoing method.
  • 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 and a transmitter configured to support a network device to perform a corresponding function in the foregoing method, and the processor is configured to determine to the terminal device The downlink information sent.
  • the transmitter is configured to support communication between the network device and the terminal device, and send the downlink involved in the foregoing method to the terminal device information.
  • 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 network device may further include a receiver configured to support communication between the network device and the terminal device, and receiving the method involved in the foregoing method sent by the terminal device data pack.
  • an embodiment of the present invention provides a data transmission system in an unlicensed spectrum, where the system includes the network device and the terminal device in the foregoing aspect.
  • the network device sends downlink information to the terminal device, and the terminal device selects, according to the downlink information, the transmission of the data packet to be sent to the network device. the way.
  • the terminal device selects a data packet transmission mode according to the attributes of the user attribute and the data packet, or the terminal device selects the data packet transmission mode according to the user attribute, so that the use of the unlicensed spectrum is more flexible, and the regulatory constraint on the unlicensed spectrum usage is met. Under the premise, it effectively mitigates the mutual interference of signals between different systems.
  • FIG. 1 is a schematic diagram of an application scenario of an unlicensed spectrum according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a data transmission method in an unlicensed spectrum according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of air interface configuration of a radio frame in an unlicensed spectrum according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a data transmission method in an unlicensed spectrum according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a data transmission method in an unlicensed spectrum according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of a data transmission method in an unlicensed spectrum according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a data transmission system in an unlicensed spectrum according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a data transmission system in an unlicensed spectrum according to an embodiment of the present invention.
  • Embodiments of the present invention provide a data transmission method and system under unlicensed spectrum, and a terminal device, which adopts a competition and a scheduling-based hybrid transmission method to implement data transmission between a terminal device and a network device in an unlicensed spectrum.
  • the terminal device selects the data packet transmission mode in combination with the attributes of the user attribute and the data packet, or the terminal device appropriately selects the data packet transmission mode according to the user attribute, so that the use of the unlicensed spectrum is more flexible, and the terminal device of the edge user selects competition or The low duty cycle mode and the network device perform data packet transmission, and effectively alleviate signal mutual interference between different systems under the premise of meeting the regulatory constraints on the unlicensed spectrum usage.
  • the method, the system, and the terminal device are based on the same invention concept. Since the principles of the method, the system, and the terminal device are similar, the implementation of the system, the terminal device, and the method may be referred to each other, and the repeated description is not repeated.
  • the terminal device may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the wireless terminal device can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and has a mobile
  • RAN Radio Access Network
  • the computer of the terminal device for example, can be portable Mobile, portable, on-board, or in-vehicle mobile devices that exchange language and/or data with the wireless access network.
  • the wireless terminal device may also be referred to as a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, and an Access Point. , Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the network device involved in the embodiment of the present invention may be a network device, or an access point, or may refer to a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface.
  • the network device can be configured to convert the received air frame with an Internet Protocol (IP) packet as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network can include the Internet. Protocol (IP) network.
  • IP Internet Protocol
  • Network devices can also coordinate attribute management of air interfaces.
  • the network device may be a Global System for Mobile Communications (GSM) or a Code Division Multiple Access (CDMA) network device (BTS, Base Transceiver Station), or may be a bandwidth.
  • the network device (NodeB) in the code division multiple access (WCDMA) may also be an evolved network device (evolutional Node B, eNB or e-NodeB) in LTE, which is implemented by the present invention.
  • the example is not limited.
  • the technical solution provided by the embodiment of the present invention is applicable to an application scenario of an unlicensed spectrum, for example, an unlicensed spectrum below Sub1 GHz.
  • the coverage of the unlicensed spectrum includes the terminal devices that belong to different coverage levels.
  • the user attributes of the terminal device can be roughly divided according to the distance from the network device, that is, the coverage level.
  • Central users and edge users are included in the coverage of the unlicensed spectrum.
  • the terminal device selects a transmission for transmitting a data packet to the network device according to the user attribute of the terminal device and the attribute of the data packet to be sent by the terminal device.
  • the method is to implement data transmission between the terminal device and the network device in the unlicensed spectrum, and effectively alleviate signal mutual interference between different systems under the premise of satisfying the regulatory constraints on the unlicensed spectrum usage.
  • an embodiment of the present invention provides a data transmission method in an unlicensed spectrum, including:
  • the terminal device selects, according to its own user attribute and the attribute of the data packet to be sent, a transmission mode for the terminal device to transmit the data packet to be transmitted to the network device from the mapping relationship between the user attribute, the attribute of the data packet, and the transmission mode;
  • the user attribute in the mapping relationship includes the user attribute of the terminal device itself, and the user attribute of the terminal device itself is the center user or the edge user, and the attributes of the data packet in the mapping relationship include the attributes of the data packet to be sent, and the data to be sent.
  • the attributes of the package are large data packets or small data packets;
  • the terminal device transmits the data packet to be sent to the network device by using the selected transmission mode.
  • the air interface configuration of the radio frame in the unlicensed spectrum is as shown in FIG. 3, and the configuration in FIG. 3 includes a Clear Channel Assessment (CCA) time window and a channel occupation time window. among them,
  • CCA Clear Channel Assessment
  • the CCA time window is the starting time when the network device starts channel interception of the unlicensed spectrum.
  • the network device listens to whether the channel is available in the frequency band in which the system works, that is, if the network device detects the channel If there is a signal, the network device regards the channel as a "busy" state, indicating that the unlicensed spectrum of the channel is occupied, and the CCA time window continues; if the network device detects that there is no signal on the channel, the network device views the channel.
  • the idle state indicates that the unlicensed spectrum of the channel is unoccupied, the network device can use the unlicensed spectrum, and the CCA time window ends.
  • the terminal device can sleep or listen to whether the network device sends a signal, etc.
  • the operation of the terminal device in the CCA time window is not limited in the embodiment of the present invention.
  • Channel occupation time window After the network device determines that the unlicensed spectrum is not occupied in the CCA time window, the network device enters a channel occupation time window, and the network device uses the unlicensed spectrum to perform data transmission with the terminal device.
  • the channel occupancy time window includes a first time window and a third time window.
  • the channel occupancy time window further includes a second time window.
  • the terminal device performs system synchronization with the network device in the first time window.
  • the network device sends a synchronization signal, and the terminal device receives the synchronization signal sent by the network device, so that the terminal device determines the configuration information of the current channel occupation time window of the network device by using the system synchronization, including but not limited to: the channel occupation time window includes the first time window, The second time window and the third time window, the time configuration of each time window in the channel occupation time window, and the initial processing time of the terminal device in the channel occupation time window.
  • the second time window may also be referred to as a Contention free window (CFW) or a scheduling window
  • the third time window may also be referred to as a Contention base window (CBW).
  • the third time window is used for the terminal device to perform data transmission with the network device by using the selected transmission mode.
  • the second time window and the third time window are used by the terminal device to perform data transmission with the network device by using the selected transmission mode.
  • FIG. 4 a flow of a data transmission method in an unlicensed spectrum according to an embodiment of the present invention is shown in FIG. 4, and includes:
  • the terminal device determines configuration information of a current channel occupation time window of the network device.
  • the terminal device obtains the configuration information of the current channel occupation time window of the network device by receiving the synchronization signal sent by the network device, including: the current channel occupation time window of the network device
  • the time configuration of the first time window, the second time window, and the third time window is the initial processing time of the terminal device in the current channel occupation time window of the network device.
  • the terminal device determines a second threshold and a third threshold.
  • the terminal device learns the second threshold and the third threshold by receiving a broadcast message sent by the network device.
  • sequence of S401 and S402 is not limited in the embodiment of the present invention.
  • the terminal device obtains the first threshold by receiving the broadcast message sent by the network device, where the first threshold is the maximum number of data packets allowed in the first time window, and is used by the terminal device to determine whether it is satisfied to send to the network device.
  • the condition of the packet is the maximum number of data packets allowed in the first time window.
  • the second threshold is a user attribute judgment threshold, and is used by the terminal device to determine that the user attribute of the terminal is a central user or an edge user.
  • the second threshold is a threshold for setting information. After the terminal device learns the second threshold of the setting information, the terminal device determines its own user attribute according to the second threshold and the measurement result that is measured by itself and the setting information.
  • the setting information may include a coverage level or a Reference Signal Received Power (RSRP).
  • RSRP Reference Signal Received Power
  • Method 1 The terminal device obtains the second threshold setting information of the network device by receiving the broadcast message of the network device, that is, the user attribute of the terminal device is the coverage level threshold of the center user, or the user attribute of the terminal device is the edge user. Cover level threshold. After measuring and determining its own coverage level, the terminal device judges itself as a central user or an edge user by comparing its coverage level with the coverage level threshold.
  • the terminal device may adopt a method in the prior art to measure and determine its own coverage level. The specific method in the embodiment of the present invention does not limit the measurement of the coverage level of the terminal device by measuring and determining its own coverage level.
  • the system is divided into three coverage levels, which are sequentially numbered CC0, CC1, and CC2, and two binary bits are used to represent 00, 01, and 10 in order.
  • CC0 indicates the coverage level with the smallest coverage (the highest received signal energy and the closest coverage distance)
  • CC2 indicates the coverage level with the largest coverage (the lowest received signal energy and the longest coverage distance).
  • the coverage level carried in the broadcast message of the network device indicates that the user attribute is the coverage level threshold of the center user.
  • the broadcast message of the network device may carry the number of the coverage level, or may carry the binary for indicating the coverage level. Bit.
  • Method 2 The terminal device receives the broadcast message of the network device, and the second threshold setting information is RSRP, that is, the user attribute of the terminal device is the RSRP threshold of the center user. After the terminal device measures and determines its own RSRP, if the RSRP of the terminal device is greater than or equal to the RSRP threshold, the terminal device determines that its user attribute is the central user. If the RSRP of the terminal device is smaller than the RSRP threshold, the terminal device Determine your own user attributes as edge users.
  • RSRP the second threshold setting information
  • the broadcast message of the network device may further carry an offset and/or a compensation value to enhance the reliability and stability of the terminal device to determine the user attribute according to the RSRP threshold.
  • the broadcast message uses a few bits to indicate the value of Delta, that is, the delta value of the enumerated type.
  • Method 3 The terminal device receives the synchronization sequence sent by the network device, and the setting information of the second threshold carried by the synchronization sequence is the coverage level, that is, the user attribute of the synchronization sequence carrying the terminal device is the coverage level threshold of the central user, or the terminal device The user attribute is the coverage level threshold of the edge user. After measuring and determining its own coverage level, the terminal device judges itself as a central user or an edge user by comparing its coverage level with the coverage level threshold.
  • the terminal device may adopt a method in the prior art to measure and determine its own coverage level. The specific method in the embodiment of the present invention does not limit the measurement of the coverage level of the terminal device by measuring and determining its own coverage level.
  • the synchronization sequence can carry the coverage level threshold in the following manner:
  • Mode 4 Use different PSS and SSS relative positions, corresponding to different coverage level thresholds.
  • the system supports CC0 to CC23 coverage levels
  • the coverage level threshold is CC1
  • the user attributes of the terminal devices with the coverage levels CC0 and CC1 are the central users
  • the user attributes of the terminal devices with the coverage levels CC2 to CC23 are the edges.
  • the relative position of the corresponding PSS and SSS is: PSS is separated by 2 slots before the SSS.
  • the network device selects CC1 as the coverage level threshold according to the current load and interference condition, and then the network device sends the PSS before the SSS in the subsequent synchronization signal transmission, and the two are separated by 2 slots.
  • the third threshold is a packet attribute judgment threshold, and is used by the terminal device to determine that the attribute of the data packet to be sent is a large data packet or a small data packet. After the terminal device learns the third threshold, according to the third threshold, And the size of the data packet to be sent, determining the attribute of the data packet to be sent.
  • the third threshold may be the ratio of the absolute length of the data packet L (unit: bits), or the length of the Buffer Status Report (BSR) to the length of the data packet.
  • the terminal device determines whether it satisfies a data packet sending condition.
  • the time length of the current channel occupation time window of the network device is greater than or equal to the time length of the data packet to be sent by the network device to the network device.
  • the terminal device judges that it satisfies the data packet transmission condition; otherwise, the terminal device determines that it does not satisfy the data packet transmission condition.
  • the terminal device knows the remaining duration of the current channel occupation time window according to the total processing time of the current channel occupation time window and the current channel occupation time window.
  • the terminal device can determine the length of the data packet to be sent and the data packet transmission rate, and can further determine the length of time that the terminal device transmits the data packet to be sent to the network device.
  • the terminal device may further determine, according to the first threshold, whether the data packet sending condition is met, and the specific method includes:
  • the terminal device determines that the data packet transmission condition is satisfied by the terminal device; otherwise, the terminal device determines that the data packet transmission condition is not met by itself.
  • the terminal device ends the current data packet transmission process.
  • the terminal device may delay determining whether the data is satisfied in the next channel occupation time window of the current channel occupation time window of the network device. The packet is sent to the condition, and the packet is sent.
  • the terminal device determines that the packet transmission condition is not satisfied, and the terminal device does not have a pending transmission.
  • the terminal device ends the process.
  • the terminal device determines, according to the second threshold, whether the user attribute of the terminal is a central user.
  • the terminal device determines that its own user attribute is the central user, then S406 is performed; otherwise, the terminal device determines that its own user attribute is an edge user, and executes S407.
  • the terminal device determines, according to the third threshold, whether the attribute of the data packet to be sent is a small data packet.
  • the terminal device determines that the attribute of the data packet to be sent is a small data packet, then S407 is performed; otherwise, the terminal device determines that the attribute of the data packet to be sent is a large data packet, and performs S408.
  • the terminal device selects the first transmission mode, and uses the first transmission mode to transmit the data packet to be sent to the network device.
  • the terminal device corresponding to the first transmission mode needs to satisfy that: the user attribute is an edge user, and the attribute of the data packet to be sent is a large data packet or a small data packet; or the user attribute is a central user, and the attribute of the data packet to be sent is Small data packet.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the first transmission mode is as follows:
  • the terminal device transmits the data packet to be transmitted to the network device by using the available uplink channel. Further, the terminal device may transmit the data packet to be sent to the network device in a competitive or low duty cycle manner.
  • the uplink channel may be a physical uplink shared channel (PUSCH), and the terminal device may obtain an available uplink channel by receiving a broadcast message sent by the network device.
  • PUSCH physical uplink shared channel
  • the terminal device may randomly select one uplink channel among all available uplink channels for transmitting the data packet to be transmitted to the network device.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the first transmission manner further includes:
  • the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information is used to indicate whether the network device receives the data packet to be sent transmitted by the terminal device, for example, the acknowledgement information is an Acknowledge (ACK). Or Negative Acknowledge (NACK).
  • ACK Acknowledge
  • NACK Negative Acknowledge
  • the downlink channel monitored by the terminal device may be a PDCCH
  • the terminal device may listen to the downlink channel corresponding to the coverage level of the network device, and the terminal device may obtain the correspondence between the coverage level and the downlink channel by receiving the broadcast message of the network device.
  • the terminal device selects the second transmission mode, and uses the second transmission mode to transmit the data packet to be sent to the network device.
  • the terminal device corresponding to the second transmission mode needs to satisfy that the user attribute is the central user, and the attribute of the data packet to be sent is a large data packet.
  • the second transmission mode refers to that the terminal device implements data packet transmission based on the scheduling manner, which can effectively alleviate the problem that signals between different systems interfere with each other.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the second transmission mode is as follows:
  • Step 1 In a third time window of the current channel occupation time window of the network device, the terminal device sends a BSR to the network device by using the available uplink channel, where the BSR is used to request the network device to allocate the data packet transmission resource;
  • the uplink channel may be a PUSCH
  • the terminal device may obtain an available uplink channel by receiving a broadcast message sent by the network device.
  • the terminal device may randomly select one uplink channel among all available uplink channels for transmitting the BSR to the network device.
  • Step 2 In the second time window of the next channel occupation time window of the current channel occupation time window of the network device, the terminal device acquires the data packet transmission resource allocated by the network device by listening to the downlink channel.
  • the downlink channel monitored by the terminal device may be a PDCCH
  • the terminal device may listen to the downlink channel corresponding to the coverage level of the network device, and the terminal device may obtain the correspondence between the coverage level and the downlink channel by receiving the broadcast message of the network device.
  • the terminal device monitors the downlink channel, if the downlink channel that is addressed by the identifier of the terminal device is monitored, the terminal device parses the uplink allocation information carried by the downlink channel to learn the data packet transmission resource.
  • Step 3 The terminal device uses the data packet transmission resource allocated by the network device to transmit the data packet to be sent to the network device.
  • the terminal device may carry the data packet to the network device and may carry the BSR to avoid the terminal.
  • the device sends the BSR to the network device separately to request the network device to allocate the data packet transmission resource, which causes waste of resources.
  • step four it also includes step four:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information is used to indicate whether the network device receives the data packet to be sent transmitted by the terminal device, such as confirming.
  • the information is ACK or NACK.
  • the downlink channel monitored by the terminal device may be a PDCCH
  • the terminal device may listen to the downlink channel corresponding to the coverage level of the network device, and the terminal device may obtain the correspondence between the coverage level and the downlink channel by receiving the broadcast message of the network device.
  • the terminal device transmits the data packet to be sent, if the terminal device still has a data packet that needs to be continuously sent, the terminal device does not need to wait for the receiving network device to provide feedback confirmation information, as long as the network device meets the current.
  • the remaining duration of the third time window of the channel occupancy time window satisfies the duration of the continuous transmission of the data packet, and the number of data packets transmitted by the terminal device is less than or equal to the first threshold, and the terminal device may occupy the time window of the current channel of the network device.
  • the data packet is continuously sent to the network device within the three time window.
  • the data packet mentioned in the method is a data packet indicating that the terminal device sends to the network device, and the data packet mentioned in the method is selected for the terminal device that selects the second transmission mode. It is the BSR that the terminal device sends to the network device.
  • the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information may be used to indicate whether the network device receives each data packet transmitted by the terminal device successfully, that is, The network device feeds back the receiving status of all data packets from the same terminal device to the terminal device through a downlink channel, so as to save signaling overhead.
  • the embodiment of the present invention further provides a method for dynamically adjusting a first threshold of a network device, where the first threshold refers to a maximum number of data packets allowed in the first time window.
  • the network device dynamically adjusts the first threshold in real time, and notifies the terminal device of the first threshold by using a broadcast message.
  • the first threshold is used by the terminal device to determine whether it satisfies the condition for sending a data packet to the network device. Under the condition that the number of the data packets sent by the terminal device meets the first threshold, the terminal device may send multiple data packets to the network device, and increase the chance that the terminal device sends the data packet, and at the same time, the network device feeds back the terminal device from a downlink channel. The receiving status of all data packets of the same terminal device to save signaling overhead.
  • the first threshold setting is too small, which is not conducive to the utilization of resources in the third time window. If the first threshold is set too large, the competition of the terminal devices in the third time window will be intensified, and the network device cache is accumulated.
  • the network device sets and dynamically adjusts the first threshold according to the resource amount of the uplink channel available in the third time window and the processing capability of the network device, and the processing capability of the network device includes the configuration of the downlink channel. And the configuration of the data packet transmission resource (uplink channel) in the second time window, etc., and the load balancing effect is achieved while ensuring resource utilization in the third time window.
  • the contention and the scheduling-based hybrid transmission method are adopted, and the terminal device reasonably selects the data packet transmission mode according to the user attribute and the number of data packet transmissions, so that the use of the unlicensed spectrum is more flexible, and the Under the premise of unlicensed use of spectrum, it effectively mitigates signal interference between different systems.
  • the terminal device selects a transmission mode for transmitting a data packet to the network device according to the user attribute of the terminal device, so as to implement the terminal device in the unlicensed spectrum.
  • the data transmission between network devices effectively mitigates the mutual interference of signals between different systems under the premise of meeting the regulatory restrictions on the use of unlicensed spectrum.
  • an embodiment of the present invention provides a data transmission method in an unlicensed spectrum, including:
  • the terminal device selects, according to its own user attribute, a transmission mode for the terminal device to transmit the data packet to be sent to the network device from the mapping relationship between the user attribute and the transmission mode;
  • the user attribute in the mapping relationship includes the user attribute of the terminal device itself, and the user attribute of the terminal device itself is the center user or the edge user;
  • the terminal device transmits the data packet to be sent to the network device by using the selected transmission mode.
  • the air interface configuration of the radio frame in the unlicensed spectrum is as shown in FIG. 3, and the configuration in FIG. 3 includes a CCA time window and a channel occupation time window.
  • the time window of each channel occupied by the network device includes a first time window, a second time window, and a third time window, where the first time window is used for system synchronization between the terminal device and the network device, and the second time window and the third time
  • the window is used for the terminal device to perform data packet transmission with the network device by using the selected transmission mode.
  • FIG. 6 the flow of the data transmission method in the unlicensed spectrum provided by the embodiment of the present invention is as shown in FIG. 6, and includes:
  • the terminal device determines configuration information of a current channel occupation time window of the network device.
  • the terminal device obtains the configuration information of the current channel occupation time window of the network device by receiving the synchronization signal sent by the network device, including: the current channel occupation time window of the network device
  • the time configuration of the first time window, the second time window, and the third time window is the initial processing time of the terminal device in the current channel occupation time window of the network device.
  • the terminal device determines a second threshold.
  • the terminal device learns the second threshold by receiving a broadcast message sent by the network device.
  • sequence of S601 and S602 is not limited in the embodiment of the present invention.
  • the terminal device learns the first threshold by receiving a broadcast message sent by the network device, where A threshold refers to the maximum number of data packets allowed in the first time window, and is used by the terminal device to determine whether it satisfies the condition for sending a data packet to the network device.
  • the second threshold is a user attribute judgment threshold, and is used by the terminal device to determine that the user attribute of the terminal is a central user or an edge user.
  • the second threshold is a second threshold of the setting information. After the terminal device learns the second threshold of the setting information, the terminal device determines its own user attribute according to the second threshold and the measurement result that is measured by itself and the setting information.
  • the setting information may include an overlay level or an RSRP.
  • the method for the network device to notify the terminal device of the second threshold, and the method for the terminal device to determine the user attribute according to the second threshold refer to the content in the first embodiment, and details are not described herein again.
  • the terminal device determines whether it satisfies the data packet sending condition.
  • the time length of the current channel occupation time window of the network device is greater than or equal to the time length of the data packet to be sent by the network device to the network device.
  • the terminal device determines that it satisfies the data packet transmission condition; otherwise, the terminal device determines that it does not satisfy the data packet transmission condition.
  • the terminal device may further determine, according to the first threshold, whether the data packet sending condition is met, and the specific method includes:
  • the terminal device determines that the data packet transmission condition is satisfied by the terminal device; otherwise, the terminal device determines that the data packet transmission condition is not met by itself.
  • the terminal device ends the current data packet transmission process.
  • the terminal device may delay the next message in the current channel occupation time window of the network device. In the channel occupation time window, it is judged whether the packet transmission condition is satisfied, and then the data packet is transmitted.
  • the terminal device determines in S603 that the data packet transmission condition is not satisfied, and the terminal device does not have a data packet to be sent, the terminal device ends the current process.
  • the terminal device determines, according to the second threshold, whether the user attribute of the terminal is an edge user.
  • the terminal device determines that its own user attribute is an edge user, executing S606; otherwise, the terminal device determines that its own user attribute is the central user, and performs S607.
  • the terminal device selects the first transmission mode, and uses the first transmission mode to transmit the data packet to be sent to the network device.
  • the terminal device corresponding to the first transmission mode needs to satisfy: the user attribute is an edge user.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the first transmission mode is as follows:
  • the terminal device transmits the data packet to be transmitted to the network device by using the available uplink channel. Further, the terminal device may transmit the data packet to be sent to the network device in a competitive or low duty cycle manner.
  • the uplink channel may be a PUSCH
  • the terminal device may obtain an available uplink channel by receiving a broadcast message sent by the network device.
  • the terminal device may randomly select one uplink channel among all available uplink channels for transmitting the data packet to be transmitted to the network device.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the first transmission manner further includes:
  • the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information is used to indicate that the network device receives the transmission of the terminal device.
  • the acknowledgement information is ACK or NACK.
  • the downlink channel monitored by the terminal device may be a PDCCH, and the terminal device may listen to a downlink channel corresponding to its own coverage level, and the terminal device may receive a broadcast message of the network device.
  • the correspondence between the coverage level and the downlink channel is known.
  • the terminal device selects the second transmission mode, and uses the second transmission mode to transmit the data packet to be sent to the network device.
  • the terminal device corresponding to the second transmission mode needs to satisfy: the user attribute is the central user.
  • the method for the terminal device to transmit the data packet to be sent to the network device by using the second transmission mode is as follows:
  • Step 1 In a third time window of the current channel occupation time window of the network device, the terminal device sends a BSR to the network device by using the available uplink channel, where the BSR is used to request the network device to allocate the data packet transmission resource;
  • the uplink channel may be a PUSCH
  • the terminal device may obtain an available uplink channel by receiving a broadcast message sent by the network device.
  • the terminal device may randomly select one uplink channel among all available uplink channels for transmitting the BSR to the network device.
  • Step 2 In the second time window of the next channel occupation time window of the current channel occupation time window of the network device, the terminal device acquires the data packet transmission resource allocated by the network device by listening to the downlink channel.
  • the downlink channel monitored by the terminal device may be a PDCCH
  • the terminal device may listen to the downlink channel corresponding to the coverage level of the network device, and the terminal device may obtain the correspondence between the coverage level and the downlink channel by receiving the broadcast message of the network device.
  • the terminal device monitors the downlink channel, if the downlink channel that is addressed by the identifier of the terminal device is monitored, the terminal device parses the uplink allocation information carried by the downlink channel to learn the data packet transmission resource.
  • Step 3 The terminal device uses the data packet transmission resource allocated by the network device to transmit the data packet to be sent to the network device.
  • the terminal device may carry the data packet to the network device and may carry the BSR to avoid the terminal.
  • the device sends the BSR to the network device separately to request the network device to allocate the data packet transmission resource, which causes waste of resources.
  • step four it also includes step four:
  • the terminal device After the terminal device transmits the data packet to be sent to the network device, the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information is used to indicate whether the network device receives the data packet to be sent transmitted by the terminal device, such as confirming.
  • the information is ACK or NACK.
  • the downlink channel monitored by the terminal device may be a PDCCH
  • the terminal device may listen to the downlink channel corresponding to the coverage level of the network device, and the terminal device may obtain the correspondence between the coverage level and the downlink channel by receiving the broadcast message of the network device.
  • the terminal device transmits the data packet to be sent, if the terminal device still has a data packet that needs to be continuously sent, the terminal device does not need to wait for the receiving network device to provide feedback confirmation information, as long as the network device meets the current.
  • the remaining duration of the third time window of the channel occupancy time window satisfies the duration of the continuous transmission of the data packet, and the number of data packets transmitted by the terminal device is less than or equal to the first threshold, and the terminal device may occupy the time window of the current channel of the network device.
  • the data packet is continuously sent to the network device within the three time window.
  • the data packet mentioned in the method is a data packet indicating that the terminal device sends to the network device, and the data packet mentioned in the method is selected for the terminal device that selects the second transmission mode. It is the BSR that the terminal device sends to the network device.
  • the terminal device obtains the acknowledgement information fed back by the network device by listening to the downlink channel, and the acknowledgement information may be used to indicate whether the network device receives each data packet transmitted by the terminal device successfully, that is, the network device feeds back the terminal device from a downlink channel.
  • the receiving status of all data packets of the same terminal device to save signaling overhead.
  • the embodiment of the present invention further provides a method for dynamically adjusting a first threshold of a network device, where the first threshold refers to a maximum number of data packets allowed in the first time window.
  • the network device dynamically adjusts the first threshold in real time, and notifies the terminal device of the first threshold by using a broadcast message.
  • the network device sets and dynamically adjusts the first threshold according to the resource quantity of the uplink channel available in the third time window and the processing capability of the network device, and the processing capability of the network device includes the downlink channel usage and the available resources in the second time window. Etc., in the case of ensuring resource utilization in the third time window, the effect of load balancing is achieved.
  • the contention and the scheduling-based hybrid transmission method are adopted, and the terminal device reasonably selects the data packet transmission mode according to the user attribute of the user, so that the use of the unlicensed spectrum is more flexible, and the regulations regarding the use of the unlicensed spectrum are satisfied. Under the condition of constraint, it effectively mitigates signal interference between different systems.
  • FIG. 7 is a terminal device according to an embodiment of the present invention, and the terminal device may adopt the method provided by the embodiment corresponding to FIG. 2 .
  • the terminal device 700 includes a processing module 701 and a sending module 702.
  • the terminal device 700 further includes: a receiving module 703.
  • the processing module 701 is configured to: when the current channel occupancy time window of the network device is longer than or equal to the transmission module 702 of the terminal device, to the network device,
  • the duration of the sent data packet is selected from the user attribute, the attribute of the data packet, and the transmission mode according to the user attribute of the terminal device and the attribute of the data packet to be sent, and is selected for the sending module 702 to transmit to the network device.
  • the transmission method of the transmitted data packet is configured to: when the current channel occupancy time window of the network device is longer than or equal to the transmission module 702 of the terminal device, to the network device, The duration of the sent data packet is selected from the user attribute, the attribute of the data packet, and the transmission mode according to the user attribute of the terminal device and the attribute of the data packet to be sent, and is selected for the sending module 702 to transmit to the network device.
  • the transmission method of the transmitted data packet is configured to: when the current channel occupancy time window of the network device is longer than or equal to the transmission module 702 of the terminal device, to the
  • the user attribute in the mapping relationship includes the user attribute of the terminal device, and the user attribute of the terminal device is the central user or the edge user, and the attributes of the data packet in the mapping relationship include the attributes of the data packet to be sent, and the data packet to be sent.
  • the attribute is a large data packet or a small data packet;
  • the sending module 702 is configured to transmit, by using the transmission mode selected by the processing module 701, the data packet to be sent to the network device.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used by the processing module 701 to control the terminal device to perform system synchronization with the network device, and the third time window is used for sending
  • the module 702 performs the data packet transmission with the network device by using the transmission mode selected by the processing module 701;
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used by the processing module 701 to control the terminal device to perform system synchronization with the network device, the second time window and the second time window
  • the three time window is used by the sending module 702 to perform data packet transmission with the network device by using the transmission mode selected by the processing module 701.
  • the terminal device performs system synchronization with the network device, so that the terminal device learns the configuration information of the current channel occupation time window of the network device through system synchronization.
  • mapping relationship when each channel occupation time window of the network device includes the first time window and the third time window, the mapping relationship includes:
  • the attribute of the data packet to be sent is a large data packet or a small data packet
  • the transmission mode selected by the processing module 701 included in the first transmission mode is the first transmission mode; or, for the user of the user
  • the attribute is a central user
  • the attribute of the data packet to be sent is a terminal device of the small data packet
  • the transmission mode selected by the processing module 701 is the first transmission mode
  • the sending module 702 uses the transmission mode selected by the processing module 701 to transmit the data packet to be sent to the network device, and is specifically used to:
  • the data packet to be transmitted is transmitted to the network device by using the available uplink channel.
  • the terminal device that selects the first transmission mode can transmit the data packet to be sent to the network device by using a contention or a low duty ratio, and can discard the process of transmitting the data packet by the terminal device, thereby effectively alleviating signal mutual interference between different systems. .
  • the terminal device further includes:
  • the receiving module 703 is configured to: in the second time window of the next channel occupation time window of the current channel occupation time window of the network device, receive the acknowledgement information fed back by the network device by using the downlink channel, and the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the sending module 702 is successful.
  • the mapping relationship includes:
  • the transmission mode selected by the processing module 701 is the second transmission mode
  • the sending module 702 Before the sending module 702 transmits the data packet to be sent to the network device, it is also used to:
  • the buffer status report BSR is sent to the network device by using the available uplink channel, and the BSR is configured to request the network device to allocate the data packet transmission. Transmitting resources;
  • the terminal device also includes:
  • the receiving module 703 is configured to receive the data packet transmission resource allocated by the network device by listening to the downlink channel in a second time window of the next channel occupation time window of the current channel occupation time window of the network device;
  • the sending module 702 transmits the data packet to be sent to the network device, it is specifically used to:
  • the data packet to be transmitted is transmitted to the network device by using the data packet transmission resource allocated by the network device received by the receiving module 703.
  • the data packet is sent to the network device by using a scheduling transmission manner, which can effectively alleviate signal mutual interference between different systems.
  • the terminal device transmits the data packet to the network device.
  • the data packet to be sent, the sending module 702 of the terminal device can carry the BSR while transmitting the data packet to the network device, and prevent the terminal device from separately sending the BSR to the network device to request the network device to allocate the data packet transmission resource, thereby causing waste of resources.
  • the receiving module 703 is further configured to:
  • the sending module 702 transmits the data packet to be sent to the network device
  • the acknowledgment information fed back by the network device is received by the network device, and the acknowledgment information is used to indicate whether the network device receives the data packet to be sent transmitted by the terminal device.
  • the processing module 701 before the processing module 701 selects, for the sending module 702 to transmit the data packet to be sent to the network device, the processing module 701 is further configured to:
  • the number of data packets transmitted by the sending module 702 to the network device is less than or equal to the first threshold.
  • the sending module 702 transmits the data packet to be sent to the network device
  • the terminal device if the terminal device further has a data packet that needs to be continuously sent, the terminal device does not need to wait for the receiving network device to feed back the confirmation information, and the processing module 701 confirms that the network is satisfied.
  • the remaining duration of the third time window of the current channel occupation time window of the device satisfies the duration of the continuous transmission of the data packet, and when the number of the data packets sent by the terminal device is less than or equal to the first threshold, the sending module 702 may occupy the current channel of the network device. Time The third time window of the window continues to send data packets to the network device.
  • the receiving module 703 obtains the acknowledgment information fed back by the network device by listening to the downlink channel, where the acknowledgment information is further used to indicate whether the network device receives each data packet transmitted by the terminal device, that is, the network device sends the data through a downlink channel.
  • the terminal device feeds back the reception status of all data packets from the same terminal device to save signaling overhead.
  • the network device sets and dynamically adjusts the first threshold according to the resource quantity of the uplink channel available in the third time window and the processing capability of the network device, and the processing capability of the network device includes the configuration of the downlink channel and the data packet in the second time window.
  • the configuration of the transmission resource (uplink channel), etc., achieves the effect of load balancing while ensuring resource utilization in the third time window.
  • the processing module 701 before the processing module 701 selects, for the sending module 702 to transmit the data packet to be sent to the network device, the processing module 701 is further configured to:
  • Determining a second threshold of the setting information where the second threshold is used to determine that the user attribute of the terminal device is a central user or an edge user, and the setting information includes an coverage level or a reference signal receiving power RSRP;
  • the user attribute of the terminal device is determined according to the second threshold and the measurement result that is measured by itself and the setting information.
  • the processing module 701 before the processing module 701 selects, for the sending module 702 to transmit the data packet to be sent to the network device, the processing module 701 is further configured to:
  • Determining a third threshold where the third threshold is used to determine that the attribute of the data packet to be sent is a large data packet or a small data packet;
  • the attribute of the data packet to be transmitted is determined according to the third threshold and the size of the data packet to be transmitted.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit is implemented in the form of a software functional unit and sold as a standalone product Or when used, it can be stored in a computer readable storage medium.
  • the technical solution of the present application in essence or the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
  • the embodiment of the present invention further provides a terminal device, which may adopt the method provided by the embodiment corresponding to FIG. 2, and may be the same device as the terminal device shown in FIG. 7.
  • the terminal device 800 includes a processor 801, a transmitter 802, a receiver 803, a bus 804, and a memory 805, where:
  • the processor 801, the transmitter 802, the receiver 803, and the memory 805 are connected to each other through a bus 804; the bus 804 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA). ) Bus, etc.
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the bus 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 Figure 8, but it does not mean that there is only one bus or one type of bus.
  • the processor 801 in FIG. 8 corresponds to the processing module 701 in FIG. 7.
  • the transmitter 802 in FIG. 8 corresponds to the transmitting module 702 in FIG. 7, and the receiver 803 in FIG. 8 corresponds to the receiving module 703 in FIG.
  • the terminal device 800 also includes a memory 805 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 805 may include a random access memory (RAM), and may also include a non-volatile memory such as at least one disk storage.
  • the processor 801 executes the application stored in the memory 805 to implement the data transmission method under the unlicensed spectrum as above.
  • the embodiment of the present invention further provides a terminal device, which can adopt the method provided by the embodiment corresponding to FIG. 5, as shown in FIG.
  • the processing module 901 and the sending module 902 are included.
  • the terminal device 900 further includes: a receiving module 903.
  • the processing module 901 is configured to: when the current channel occupancy time window of the network device is longer than or equal to the transmission module 902 of the terminal device, transmit to the network device, in the current processing time of the terminal device in the current channel occupation time window of the network device.
  • the transmission mode of the data packet to be transmitted sent by the sending module 902 to the network device is selected from the mapping relationship between the user attribute and the transmission mode according to the user attribute of the terminal device;
  • the user attribute in the mapping relationship includes the user attribute of the terminal device, and the user attribute of the terminal device is the center user or the edge user.
  • the sending module 902 is configured to transmit, by using the transmission mode selected by the processing module 901, the data packet to be sent to the network device.
  • each channel occupation time window of the network device includes a first time window and a third time window, where the first time window is used by the processing module 901 to control the terminal device to perform system synchronization with the network device, and the third time window is used for sending
  • the module 902 performs data packet transmission with the network device by using the transmission mode selected by the processing module 901;
  • Each channel occupation time window of the network device includes a first time window, a second time window, and a third time window, where the first time window is used by the processing module 901 to control the terminal device to perform system synchronization with the network device, the second time window and the second time window
  • the three time window is used by the sending module 902 to perform data packet transmission with the network device by using the transmission mode selected by the processing module 901.
  • mapping relationship when each channel occupation time window of the network device includes the first time window and the third time window, the mapping relationship includes:
  • the transmission mode selected by the processing module 901 is the first transmission mode
  • the sending module 902 uses the transmission mode selected by the processing module 901 to transmit the data packet to be sent to the network device, and is specifically used to:
  • the data packet to be transmitted is transmitted to the network device by using the available uplink channel.
  • it also includes:
  • the receiving module 903 is configured to: in the second time window of the next channel occupation time window of the current channel occupation time window of the network device, receive the acknowledgement information fed back by the network device by using the downlink channel, and the acknowledgement information is used to indicate that the network device receives Whether the data packet to be transmitted transmitted by the sending module 902 is successful.
  • the mapping relationship includes:
  • the transmission mode selected by the processing module 901 is the second transmission mode
  • the sending module 902 is further configured to:
  • the third time window of the current channel occupation time window of the network device is used to send a buffer status report BSR to the network device by using the available uplink channel, where the BSR is configured to request the network device to allocate the data packet transmission resource;
  • the terminal device also includes:
  • the receiving module 903 is configured to receive, by using a physical downlink channel, a data packet transmission resource allocated by the network device in a second time window of the next channel occupation time window of the current channel occupation time window of the network device;
  • the sending module 902 transmits the data packet to be sent to the network device, it is specifically used to:
  • the data packet to be transmitted is transmitted to the network device by using the data packet transmission resource allocated by the network device received by the receiving module 903.
  • the receiving module 903 is further configured to:
  • the sending module 902 transmits the data packet to be sent to the network device
  • the acknowledgment information fed back by the network device is received by the network device, and the acknowledgment information is used to indicate whether the network device receives the data packet to be sent transmitted by the sending module 902.
  • the processing module 901 before the processing module 901 selects a transmission mode for the sending module 902 to transmit the data packet to be sent to the network device, the processing module 901 is further configured to:
  • the number of data packets transmitted by the terminal device to the network device is less than or equal to the first threshold.
  • the processing module 901 before the processing module 901 selects a transmission mode for the sending module 902 to transmit the data packet to be sent to the network device, the processing module 901 is further configured to:
  • Determining a second threshold of the setting information where the second threshold is used to determine that the user attribute of the terminal device is a central user or an edge user, and the setting information includes an coverage level or a reference signal receiving power RSRP;
  • the user attribute of the terminal device is determined according to the second threshold and the measurement result that is measured by itself and the setting information.
  • the embodiment of the present invention further provides a terminal device, which may adopt the method provided by the embodiment corresponding to FIG. 5, and may be the same device as the terminal device shown in FIG. 9.
  • the terminal device 1000 includes a processor 1001, a transmitter 1002, a receiver 1003, a bus 1004, and a memory 1005, wherein:
  • the processor 1001, the transmitter 1002, the receiver 1003, and the memory 1005 are connected to each other through a bus 1004; the bus 1004 may be a PCI bus or an EISA bus or the like.
  • the bus 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. 10, but it does not mean that there is only one bus or one type of bus.
  • the processor 1001 in FIG. 10 corresponds to the processing module 901 in FIG. 9.
  • the transmitter 1002 in FIG. 10 corresponds to the transmitting module 902 in FIG. 9, and the receiver 1003 in FIG. 10 corresponds to the receiving module 903 in FIG.
  • the terminal device 1000 further includes a memory 1005 for storing programs and the like.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 1005 may include RAM and may also include non-volatile memory, such as at least one disk storage.
  • the processor 1001 executes the application stored in the memory 1005 to implement the data transmission method under the unlicensed spectrum as above.
  • the system 1100 includes: a network device 1101 and a terminal device 1102. among them,
  • the network device 1101 is configured to determine downlink information, where the downlink information includes: a current channel occupation time window of the network device 1101, a start processing time of the terminal device 1102 in the current channel occupation time window, and a user attribute, a data packet attribute, and a transmission. Mapping relationship; in the mapping relationship The user attributes include a central user and an edge user, and the data packet attributes in the mapping relationship include a large data packet and a small data packet; the downlink information is sent to the terminal device 1102;
  • the terminal device 1102 is configured to receive the downlink information that is sent by the network device 1101; according to the downlink information, in the current processing time of the terminal device 1102 in the current channel occupation time window of the network device 1101, when the current channel occupancy time window of the network device 1101 When the remaining time length is greater than or equal to the length of time that the terminal device 1102 transmits the data packet to be sent to the network device 1101, the terminal device 1102 is selected from the mapping relationship according to its own user attribute and the attribute of the data packet to be sent.
  • the device 1101 transmits a transmission mode of the data packet to be sent; wherein the user attribute in the mapping relationship includes the user attribute of the terminal device 1102 itself, and the attribute of the data packet in the mapping relationship includes the attribute of the data packet to be sent; In a manner, the data packet to be transmitted is transmitted to the network device 1101.
  • each channel occupation time window of the network device 1101 includes a first time window for the terminal device 1102 to perform system synchronization with the network device 1101, and a third time window for the terminal device. 1102 performs data packet transmission with the network device 1101 by using a selected transmission manner; or
  • Each channel occupation time window of the network device 1101 includes a first time window, a second time window, and a third time window, the first time window is used for system synchronization of the terminal device 1102 with the network device 1101, the second time window and the third time window The time window is used by the terminal device 1102 to perform data packet transmission with the network device 1101 in a selected transmission manner.
  • mapping relationship when each channel occupation time window of the network device 1101 includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode; or, for the user attribute of the user, it is the central user.
  • the attribute of the data packet to be sent is the terminal device 1102 of the small data packet, and the selected transmission mode is the first transmission mode;
  • the first transmission mode includes: in a third time window of the current channel occupation time window of the network device 1101, the terminal device 1102 transmits the data packet to be transmitted to the network device 1101 by using the available uplink channel.
  • the first transmission manner further includes:
  • the terminal device 1102 receives the acknowledgement information fed back by the network device 1101 by monitoring the downlink channel, and the acknowledgement information is used to indicate that the network device 1101 receives. Whether the data packet to be transmitted transmitted by the terminal device 1102 is successful.
  • mapping relationship includes:
  • the selected transmission mode is the second transmission mode;
  • the second transmission mode includes:
  • the terminal device 1102 sends a buffer status report BSR to the network device 1101 by using the available uplink channel, where the BSR is used to request the network device 1101 to allocate a data packet transmission resource;
  • the terminal device 1102 acquires the data packet transmission resource allocated by the network device 1101 by listening to the downlink channel;
  • the terminal device 1102 transmits the data packet to be transmitted to the network device 1101 by using the data packet transmission resource allocated by the network device 1101.
  • the second transmission mode further includes:
  • the terminal device 1102 After the terminal device 1102 transmits the data packet to be transmitted to the network device 1101, the terminal device 1102 receives the acknowledgement information fed back by the network device 1101 by monitoring the downlink channel, and the acknowledgement information is used to instruct the network device 1101 to receive the data to be sent transmitted by the terminal device 1102. Whether the package is successful.
  • the downlink information further includes a first threshold
  • the terminal device 1102 Before the terminal device 1102 selects a transmission mode for the terminal device 1102 to transmit the data packet to be sent to the network device 1101, the terminal device 1102 further includes:
  • the number of data packets transmitted by the terminal device 1102 to the network device 1101 is less than or equal to the first threshold.
  • the downlink information further includes a second threshold of the setting information, where the setting information includes an coverage level or a reference signal receiving power RSRP;
  • the terminal device 1102 selects a transmission mode for the terminal device 1102 to transmit the data packet to be sent to the network device 1101, and is further configured to:
  • the user attribute of the terminal device 1102 is determined to be a central user or an edge user according to the second threshold and the measurement result that is self-measured and consistent with the setting information.
  • the downlink information further includes a third threshold
  • the terminal device 1102 selects a transmission mode for the terminal device 1102 to transmit the data packet to be sent to the network device 1101, and is further configured to:
  • the attribute of the data packet to be sent is a large data packet or a small data packet.
  • the data transmission system in the unlicensed spectrum provided by the embodiment of the present invention is as shown in FIG. 12, and the system 1200 includes: a network device 1201 and a terminal device 1202. among them,
  • the network device 1201 is configured to determine downlink information, where the downlink information includes: a current channel occupation time window of the network device 1201, a starting processing time of the terminal device 1202 in the current channel occupation time window, and a mapping relationship between the user attribute and the transmission mode;
  • the user attributes in the mapping relationship include a central user and an edge user; the downlink information is sent to the terminal device 1202;
  • the terminal device 1202 is configured to receive the downlink information that is sent by the network device 1201. According to the downlink information, in the current processing time of the terminal device 1202 in the current channel occupation time window of the network device 1201, when the current channel occupancy time window of the network device 1201 When the remaining time length is greater than or equal to the length of time that the terminal device 1202 transmits the data packet to be sent to the network device 1201, according to the user attribute of the user, the terminal device 1202 is selected to transmit the data packet to be sent to the network device 1201 according to the mapping attribute.
  • the user mode of the mapping relationship includes the user attribute of the terminal device 1202 itself; and the data packet to be transmitted is transmitted to the network device 1201 by using the selected transmission mode.
  • each channel occupation time window of the network device 1201 includes a first time window and a third time.
  • the first time window is used for the terminal device 1202 to perform system synchronization with the network device 1201
  • the third time window is used for the terminal device 1202 to perform data packet transmission with the network device 1201 by using the selected transmission mode;
  • Each channel occupancy time window of the network device 1201 includes a first time window, a second time window, and a third time window, the first time window is used for system synchronization of the terminal device 1202 with the network device 1201, the second time window and the third time window The time window is used by the terminal device 1202 to perform data packet transmission with the network device 1201 by using the selected transmission mode.
  • mapping relationship when each channel occupation time window of the network device 1201 includes a first time window and a third time window, the mapping relationship includes:
  • the selected transmission mode is the first transmission mode
  • the first transmission mode includes: in a third time window of the current channel occupation time window of the network device 1201, the terminal device 1202 transmits the data packet to be transmitted to the network device 1201 by using the available uplink channel.
  • the first transmission manner further includes:
  • the terminal device 1202 obtains the acknowledgement information fed back by the network device 1201 by monitoring the downlink channel, and the acknowledgement information is used to indicate that the network device 1201 receives Whether the data packet to be transmitted transmitted by the terminal device 1202 is successful.
  • mapping relationship includes:
  • the selected transmission mode is the second transmission mode;
  • the second transmission mode includes:
  • the terminal device 1202 sends a buffer status report BSR to the network device 1201 by using the available uplink channel, where the BSR is used to request the network device 1201 to allocate a data packet transmission resource;
  • the terminal device 1202 acquires the data packet transmission resource allocated by the network device 1201 by monitoring the physical downlink channel;
  • the terminal device 1202 transmits the data packet to be transmitted to the network device 1201 by using the data packet transmission resource allocated by the network device 1201.
  • the second transmission mode further includes:
  • the terminal device 1202 After the terminal device 1202 transmits the data packet to be sent to the network device 1201, the terminal device 1202 obtains the acknowledgement information fed back by the network device 1201 by monitoring the downlink channel, and the acknowledgement information is used to instruct the network device 1201 to receive the data to be sent transmitted by the terminal device 1202. Whether the package is successful.
  • the downlink information further includes a first threshold
  • the terminal device 1202 selects a transmission mode for the terminal device 1202 to transmit the data packet to be sent to the network device 1201, and is further configured to:
  • the number of data packets transmitted by the terminal device 1202 to the network device 1201 is less than or equal to the first threshold.
  • the downlink information further includes a second threshold of the setting information, where the setting information includes an coverage level or a reference signal receiving power RSRP;
  • the terminal device 1202 selects a transmission mode for the terminal device 1202 to transmit the data packet to be sent to the network device 1201, and is further configured to:
  • the user attribute of the terminal device 1202 is determined to be a central user or an edge user according to the second threshold and the measurement result that is self-measured and consistent with the setting information.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种非授权频谱下的数据传输方法及系统、终端设备,用以实现非授权频谱下终端设备与网络设备之间的数据传输,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。本发明方法包括:在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,终端设备根据自身的用户属性和待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于终端设备向网络设备传输待发送的数据包的传输方式;终端设备采用选择的传输方式,向网络设备传输待发送的数据包。

Description

一种非授权频谱下的数据传输方法及系统、终端设备 技术领域
本发明涉及无线通信领域,尤其涉及一种非授权频谱下的数据传输方法及系统、终端设备。
背景技术
通信设备之间通过使用频谱来实现无线通信,频谱大致可以分为两类,其中一类为授权(Licensed)频谱,另外一类为非授权(Unlicensed)频谱。
对于非授权频谱的使用,由于多个系统共享非授权频段,为避免多个系统之间信号相互干扰,通信设备在使用非授权频谱进行通信之前,确认该非授权频谱是空闲,才可以使用该非授权频谱进行通信。通信设备侦听非授权频谱是否被占用的过程称为先听后说(listen before talk,LBT)过程。
不同系统中通信设备的侦听能力存在差异,受侦听能力差异的影响,对于网络设备覆盖范围较远的终端设备,由于距离较远,信号衰减严重,其他终端设备在进行LBT过程时,可能不会侦听到覆盖范围较远的这类终端设备与网络设备之间的通信,使得其他终端设备占用非授权频谱传输数据,从而导致不同系统之间信号相互干扰,网络整体性能较差。
对于非授权频谱的使用,若通信设备在使用非授权频谱进行通信时基于调度传输的方式,可以在一定程度上缓解系统之间的信号相互干扰。但这种基于调度传输的方式并非适用于全部终端设备,对于网络设备覆盖范围较远的终端设备,由于距离较远,信号衰减严重,导致网络设备可能需要多次通过下行信道向终端设备发送调度指令,终端设备才能够获知网络设备分配的频谱资源,这种方式将会增加调度信令的开销,考虑到用于传输调度信令的下行信道资源有限,因此覆盖范围较远的这类终端设备并不适合基于调度传输的方式与网络设备进行数据传输。
综上所述,亟需设计一种非授权频谱下的数据传输方案,在满足关于非 授权频谱使用的法规约束的前提下,避免不同系统之间信号互相干扰,提升网络整体性能。
发明内容
本发明实施例提供了一种非授权频谱下的数据传输方法及系统、一种终端设备,用以实现非授权频谱下终端设备与网络设备之间的数据传输,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。
一方面,本发明实施例提供的一种非授权频谱下的数据传输方法,包括:
在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备向所述网络设备传输待发送的数据包的时长时,所述终端设备根据自身的用户属性和所述待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式;
其中,所述映射关系中的所述用户属性包括所述终端设备自身的用户属性,所述终端设备自身的用户属性为中心用户或边缘用户,所述映射关系中的所述数据包的属性包括所述待发送的数据包的属性,所述待发送的数据包的属性为大数据包或小数据包;
所述终端设备采用选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步, 所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
在第一时间窗内终端设备与网络设备进行系统同步,使得终端设备通过系统同步获知网络设备当前的信道占用时间窗的配置信息。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为边缘用户、所述待发送的数据包的属性为大数据包或小数据包的终端设备,其选择的传输方式为第一传输方式;或者,对于自身的用户属性为中心用户、所述待发送的数据包的属性为小数据包的终端设备,其选择的传输方式为第一传输方式;
所述第一传输方式包括,在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
选择第一传输方式的终端设备可以采用竞争或低占空比的方式,向网络设备传输待发送的数据包,可以离散终端设备发送数据包的过程,从而有效缓解不同系统之间的信号互相干扰。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为中心用户、所述待发送的数据包的属性为大数据包的终端设备,其选择的传输方式为第二传输方式;所述第二传输方式包括:
在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备 利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备分配的数据包传输资源;
所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
对于选择第二传输方式的终端设备,其采用基于调度传输的方式向网络设备发送数据包,可以有效缓解不同系统之间的信号互相干扰。
在一个可能的设计中,所述第二传输方式还包括:
所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,对于选择第二传输方式的终端设备,由于这类终端设备待发送的数据包的属性为大数据包,若网络设备本次分配的数据包传输资源不足以终端设备向网络设备传输待发送的数据包,则终端设备在向网络设备发送数据包的同时可以携带BSR,避免终端设备再次单独向网络设备发送BSR以请求网络设备分配数据包传输资源,造成资源浪费。
在一个可能的设计中,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
所述终端设备确认所述终端设备向所述网络设备传输的数据包的数量小于或等于第一门限。
在一个可能的设计中,终端设备向网络设备传输所述待发送的数据包之后,若终端设备还有需要继续发送的数据包,则终端设备无需等待接收网络设备反馈确认信息,只要满足网络设备当前的信道占用时间窗的第三时间窗的剩余时长满足继续发送数据包的时长,并且终端设备发送数据包的数量小 于或等于第一门限,终端设备可以在网络设备当前的信道占用时间窗的第三时间窗内继续向网络设备发送数据包。
在一个可能的设计中,终端设备通过监听下行信道,获取网络设备反馈的确认信息,该确认信息还可以用于指示网络设备接收终端设备传输的每个数据包是否成功,即网络设备通过一个下行信道向终端设备反馈来自同一终端设备的所有数据包的接收状态,以达到节省信令开销的目的。
在一个可能的设计中,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
所述终端设备从所述网络设备处获取设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息包括覆盖等级或参考信号接收功率RSRP;
所述终端设备根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定自身的用户属性。
在一个可能的设计中,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
所述终端设备从所述网络设备处获取第三门限,所述第三门限用于确定所述待发送的数据包的属性为大数据包或小数据包;
所述终端设备根据所述第三门限、以及所述待发送的数据包的大小,确定所述待发送的数据包的属性。
又一方面,本发明实施例提供的一种非授权频谱下的数据传输方法,包括
在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备向所述网络设备传输待发送的数据包的时长时,所述终端设备根据自身的用户属性,从用户属性与传输方式的映射关系中,选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式;
其中,所述映射关系中的所述用户属性包括所述终端设备自身的用户属 性,所述终端设备自身的用户属性为中心用户或边缘用户;
所述终端设备采用选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为边缘用户的终端设备,其选择的传输方式为第一传输方式;
所述第一传输方式包括:在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为中心用户的终端设备,其选择的传输方式为第二 传输方式;所述第二传输方式包括:
在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听物理下行信道,获取所述网络设备分配的数据包传输资源;
所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,所述第二传输方式还包括:
所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
所述终端设备确认所述终端设备向所述网络设备传输的数据包的数量小于或等于第一门限。
在一个可能的设计中,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
所述终端设备从所述网络设备处获取设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息包括覆盖等级或参考信号接收功率RSRP;
所述终端设备根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定自身的用户属性。
又一方面,本发明实施例提供了一种终端设备,该终端设备具有实现上述方法设计中终端设备行为的功能。所述功能可以通过硬件实现,也可以通 过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。所述模块可以是软件和/或硬件。
在一个可能的设计中,所述终端设备的结构中包括处理器和发射器,所述处理器用于根据所述终端设备的用户属性和待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于所述发送模块向网络设备传输所述待发送的数据包的传输方式;或者,所述处理器用于根据所述终端设备的用户属性,从用户属性与传输方式的映射关系中,选择用于所述发送模块向网络设备传输所述待发送的数据包的传输方式。所述发射器被设置为支持所述终端设备与所述网络设备之间的通信,所述发射器支持采用所述处理器选择的所述传输方式,向所述网络设备传输所述待发送的数据包。所述终端设备还可以包括存储器,所述存储器用于与处理器耦合,其保存终端设备必要的程序指令和数据。
在一个可能的设计中,所述终端设备的结构中还可以包括接收器,所述接收器被设置为支持所述终端设备与所述网络设备之间的通信,所述接收器支持接收所述网络设备向所述终端设备发送的下行信息,所述下行信息用于所述终端设备的处理器选择传输方式。
又一方面,本发明实施例提供的一种非授权频谱下的数据传输方法,包括:
网络设备确定下行信息,所述下行信息包括:所述网络设备当前的信道占用时间窗,所述当前的信道占用时间窗的中终端设备的起始处理时刻,用户属性、数据包的属性与传输方式的映射关系;其中,所述映射关系中的所述用户属性包括中心用户和边缘用户,所述映射关系中的所述数据包属性包括大数据包和小数据包;
所述网络设备将所述下行信息发送给所述终端设备,所述下行信息用于所述终端设备选择自身向所述网络设备传输待发送的数据包的传输方式。
在一个可能的设计中,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行 系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为边缘用户、所述待发送的数据包的属性为大数据包或小数据包的终端设备,其选择的传输方式为第一传输方式;或者,对于自身的用户属性为中心用户、所述待发送的数据包的属性为小数据包的终端设备,其选择的传输方式为第一传输方式;
所述第一传输方式包括:在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为中心用户、所述待发送的数据包的属性为大数据包的终端设备,其选择的传输方式为第二传输方式;所述第二传输方式包括:
在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于 请求所述网络设备分配数据包传输资源;
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备分配的数据包传输资源;
所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,所述第二传输方式还包括:
所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,所述下行信息还包括第一门限,所述第一门限用于所述终端设备判断自身是否满足数据包传输条件。
网络设备根据第三时间窗内可用的上行信道的资源量、以及网络设备的处理能力,设置和动态调整第一门限,网络设备的处理能力包括下行信道的配置情况和第二时间窗内数据包传输资源(上行信道)的配置情况等,在保证第三时间窗内的资源利用率的情况下,达到负载均衡的效果。
在一个可能的设计中,所述下行信息还包括设定信息的第二门限,所述设定信息包括覆盖等级或参考信号接收功率RSRP,所述第二门限用于确定自身的用户属性为中心用户或边缘用户。
在一个可能的设计中,所述下行信息还包括第三门限,所述第三门限用于确定所述终端设备的待发送数据包的属性为大数据包或小数据包。
又一方面,本发明实施例提供的一种非授权频谱下的数据传输方法,包括:
网络设备确定下行信息,所述下行信息包括:所述网络设备当前的信道占用时间窗,所述当前的信道占用时间窗的中终端设备的起始处理时刻,用户属性与传输方式的映射关系;其中,所述映射关系中的所述用户属性包括 中心用户和边缘用户;
所述网络设备将所述下行信息发送给所述终端设备,所述下行信息用于所述终端设备选择自身向所述网络设备传输待发送的数据包的传输方式。
在一个可能的设计中,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为边缘用户的终端设备,其选择的传输方式为第一传输方式;
所述第一传输方式包括:在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
对于自身的用户属性为中心用户的终端设备,其选择的传输方式为第二 传输方式;所述第二传输方式包括:
在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听物理下行信道,获取所述网络设备分配的数据包传输资源;
所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
在一个可能的设计中,所述第二传输方式还包括:
所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
在一个可能的设计中,所述下行信息还包括第一门限,所述第一门限用于确定所述终端设备是否满足数据包传输条件。
在一个可能的设计中,所述下行信息还包括设定信息的第二门限,所述设定信息包括覆盖等级或参考信号接收功率RSRP,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户。
又一方面,本发明实施例提供了一种网络设备,该网络设备具有实现上述方法实际中网络设备行为的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。
在一个可能的设计中,所述网络设备的结构中包括处理器和发射器,所述处理器被配置为支持网络设备执行上述方法中相应的功能,所述处理器用于确定向所述终端设备发送的下行信息。所述发射器被配置为支持所述网络设备与终端设备之间的通信,向所述终端设备发送上述方法中所涉及的下行 信息。所述网络设备还可以包括存储器,所述存储器用于与处理器耦合,其保存网络设备必要的程序指令和数据。
在一个可能的设计中,所述网络设备还可以包括接收器,所述接收器被配置为支持所述网络设备与终端设备之间的通信,接收所述终端设备发送的上述方法中所涉及的数据包。
又一方面,本发明实施例提供的一种非授权频谱下的数据传输系统,该系统包括上述方面所述的网络设备和终端设备。
本发明实施例提供的技术方案中采用竞争和基于调度的混合传输方法,网络设备向终端设备发送下行信息,终端设备根据该下行信息合理选择用于自身向网络设备传输待发送的数据包的传输方式。其中,终端设备结合用户属性和数据包的属性选择数据包传输方式,或者终端设备结合用户属性选择数据包传输方式,使得非授权频谱的使用更加灵活,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。
附图说明
图1为本发明实施例提供的非授权频谱的应用场景示意图;
图2为本发明实施例提供的一种非授权频谱下的数据传输方法流程示意图;
图3为本发明实施例提供的非授权频谱下的无线帧的空口配置示意图;
图4为本发明实施例提供的一种非授权频谱下的数据传输方法流程示意图;
图5为本发明实施例提供的一种非授权频谱下的数据传输方法流程示意图;
图6为本发明实施例提供的一种非授权频谱下的数据传输方法流程示意图;
图7为本发明实施例提供的一种终端设备结构示意图;
图8为本发明实施例提供的一种终端设备结构示意图;
图9为本发明实施例提供的一种终端设备结构示意图;
图10为本发明实施例提供的一种终端设备结构示意图;
图11为本发明实施例提供的一种非授权频谱下的数据传输系统结构示意图;
图12为本发明实施例提供的一种非授权频谱下的数据传输系统结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明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发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例提供一种非授权频谱下的数据传输方法及系统、一种终端设备,采用竞争和基于调度的混合传输方法,实现非授权频谱下终端设备与网络设备之间的数据传输,技术方案中终端设备结合用户属性和数据包的属性合理选择数据包传输方式,或者终端设备结合用户属性合理选择数据包传输方式,使得非授权频谱的使用更加灵活,边缘用户的终端设备选择采用竞争或低占空比的方式与网络设备进行数据包传输,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。其中,方法、系统及终端设备是基于同一发明构思的,由于方法、系统及终端设备解决问题的原理相似,因此系统、终端设备与方法的实施可以相互参见,重复之处不再赘述。
本发明实施例涉及的终端设备,可以是指向用户提供语音和/或数据连通性的设备,具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,无线终端设备可以是移动终端设备,如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机,例如,可以是便携 式、袖珍式、手持式、计算机内置的或者车载的移动装置,它们与无线接入网交换语言和/或数据。例如,个人通信业务(Personal Communication Service,PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol,SIP)话机、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)等设备。无线终端设备也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station),移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、接入点(Access Point)、远程终端设备(Remote Terminal)、接入终端设备(Access Terminal)、用户终端设备(User Terminal)、用户代理(User Agent)、用户设备(User Device)、或用户装备(User Equipment)。
本发明实施例所涉及的网络设备,可以是网络设备,或者接入点,或者可以是指接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备。网络设备可用于将收到的空中帧与网际协议(Internet Protocol,IP)分组进行相互转换,作为无线终端设备与接入网的其余部分之间的路由器,其中接入网的其余部分可包括网际协议(IP)网络。网络设备还可协调对空中接口的属性管理。例如,网络设备可以是全球移动通信系统(Global System for Mobile Communications,GSM)或码分多址接入(Code Division Multiple Access,CDMA)中的网络设备(BTS,Base Transceiver Station),也可以是带宽码分多址接入(Wide-band Code Division Multiple Access,WCDMA)中的网络设备(NodeB),还可以是LTE中的演进型网络设备(evolutional Node B,eNB或e-NodeB),本发明实施例中并不限定。
本发明实施例提供的技术方案适用于非授权频谱的应用场景,例如Sub1GHz以下的非授权频谱。如图1所示的非授权频谱的应用场景,网络设备覆盖范围内包括属于不同覆盖等级的终端设备,按照距离网络设备远近的不同,即覆盖等级的不同,终端设备的用户属性大致可以分为中心用户和边缘用户。
下面通过具体实施例详细说明本发明实施例提供的技术方案,需要说明的是,实施例的展示顺序仅代表实施例的先后顺序,并不代表实施例所提供 的技术方案的优劣。
实施例一
在本发明实施例提供的一种非授权频谱下的数据传输方法中,按照终端设备的用户属性、以及终端设备待发送的数据包的属性,终端设备选择用于向网络设备发送数据包的传输方式,以实现非授权频谱下终端设备与网络设备之间的数据传输,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。
如图2所示,本发明实施例提供了一种非授权频谱下的数据传输方法,包括:
S201、在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,终端设备根据自身的用户属性和待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于终端设备向网络设备传输待发送的数据包的传输方式;
其中,映射关系中的用户属性包括终端设备自身的用户属性,终端设备自身的用户属性为中心用户或边缘用户,映射关系中的数据包的属性包括待发送的数据包的属性,待发送的数据包的属性为大数据包或小数据包;
S202、终端设备采用选择的传输方式,向网络设备传输待发送的数据包。
本发明实施例中,非授权频谱下的无线帧的空口配置如图3所示,图3中配置包括信道状态评估(Clear Channel Assessment,CCA)时间窗和信道占用时间窗。其中,
CCA时间窗:在网络设备使用非授权频谱之前,网络设备在CCA时间窗内进行非授权频谱的LBT信道侦听过程。CCA时间窗以网络设备开始对非授权频谱进行信道侦听的时刻为起始时刻,在CCA时间窗内,网络设备在系统工作的频带上侦听信道是否可用,即若网络设备侦听到信道上有信号,则网络设备将该信道视为“忙”状态,说明该信道的非授权频谱被占用,CCA时间窗继续;若网络设备侦听到信道上没有信号,则网络设备将该信道视为“空 闲”状态,说明该信道的非授权频谱未被占用,网络设备可以使用该非授权频谱,CCA时间窗结束。在CCA时间窗内,终端设备可以休眠、或者侦听网络设备是否发送信号等,本发明实施例中并不限定终端设备在CCA时间窗内的操作。
信道占用时间窗:网络设备在CCA时间窗内确定非授权频谱未被占用后,进入信道占用时间窗,网络设备使用该非授权频谱与终端设备进行数据传输。信道占用时间窗包括第一时间窗和第三时间窗,较佳地,信道占用时间窗还包括第二时间窗。
在第一时间窗内终端设备与网络设备进行系统同步。网络设备发送同步信号,终端设备接收网络设备发送的同步信号,使得终端设备通过系统同步确定网络设备当前的信道占用时间窗的配置信息,包括但不限于:信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,信道占用时间窗内各个时间窗的时间配置,以及信道占用时间窗中终端设备的起始处理时刻。
第二时间窗也可称为免竞争窗口(Contention free window,CFW)或者调度窗口,第三时间窗用于也可称为竞争窗口(Contention base window,CBW)。第三时间窗用于终端设备采用选择的传输方式与网络设备进行数据传输,较佳地,第二时间窗和第三时间窗用于终端设备采用选择的传输方式与网络设备进行数据传输。
结合图2和图3,本发明实施例提供的一种非授权频谱下的数据传输方法流程如图4所示,包括:
S401、终端设备确定网络设备当前的信道占用时间窗的配置信息。
在网络设备当前的信道占用时间窗的第一时间窗内,终端设备通过接收网络设备发送的同步信号,获知网络设备当前的信道占用时间窗的配置信息,包括:网络设备当前的信道占用时间窗内第一时间窗、第二时间窗以及第三时间窗的时间配置,在网络设备当前的信道占用时间窗中终端设备的起始处理时刻。
S402、终端设备确定第二门限和第三门限。
终端设备通过接收网络设备发送的广播消息,获知第二门限和第三门限。
需要说明的是,本发明实施例中并不限定S401和S402的先后顺序。
可选的,终端设备通过接收网络设备发送的广播消息获知第一门限,第一门限是指在第一时间窗内允许的数据包最大发送数量,用于终端设备判断自身是否满足向网络设备发送数据包的条件。
第二门限是指用户属性判断门限,用于终端设备判断自身的用户属性为中心用户或边缘用户。第二门限为设定信息的门限,终端设备获知设定信息的第二门限后,根据第二门限、以及自身测量的与设定信息一致的测量结果,确定自身的用户属性。设定信息可以包括覆盖等级或参考信号接收功率(Reference Signal Received Power,RSRP)。终端设备可以通过以下几种方法判断自身的用户属性:
方法一:终端设备通过接收网络设备的广播消息,获知的第二门限的设定信息为覆盖等级,即终端设备的用户属性为中心用户的覆盖等级门限,或者终端设备的用户属性为边缘用户的覆盖等级门限。终端设备通过测量、确定自身的覆盖等级后,通过比较自身的覆盖等级与覆盖等级门限,判断自身为中心用户或边缘用户。终端设备可以采用现有技术中的方法,通过测量、确定自身的覆盖等级,本发明实施例中并不限定终端设备测量通过测量、确定自身的覆盖等级的具体方法。
举例说明,按照网络设备覆盖范围的远近,将系统划分成3个覆盖等级,编号依次为CC0、CC1、CC2,使用2个二进制比特来表示依次为00、01、10。其中,CC0表示覆盖范围最小的覆盖等级(接收信号能量最高,覆盖距离最近),CC2表示覆盖范围最大的覆盖等级(接收信号能量最低,覆盖距离最远)。如下表一所示,网络设备的广播消息中携带的覆盖等级表示用户属性为中心用户的覆盖等级门限,网络设备的广播消息中可以携带覆盖等级的编号,也可以携带用于指示覆盖等级的二进制比特。
表一广播消息中携带的覆盖等级与其指示的含义之间的对应关系
Figure PCTCN2016074873-appb-000001
方法二:终端设备通过接收网络设备的广播消息,获知的第二门限的设定信息为RSRP,即终端设备的用户属性为中心用户的RSRP门限。终端设备通过测量、确定自身的RSRP后,若终端设备自身的RSRP大于或等于该RSRP门限,则终端设备确定自身的用户属性为中心用户,若终端设备自身的RSRP小于该RSRP门限,则终端设备确定自身的用户属性为边缘用户。
进一步,网络设备的广播消息中还可以携带偏移量和/或补偿值,以增强终端设备根据RSRP门限确定自身用户属性的可靠性与稳定性。例如,广播消息中还携带偏移量Delta,若终端设备自身的RSRP大于或等于RSRP门限与Delta之和,即终端设备自身的RSRP>=RSRP门限+Delta,则终端设备确定自 身的用户属性为中心用户,若终端设备自身的RSRP小于RSRP门限与Delta之和,即终端设备自身的RSRP<RSRP门限+Delta,则终端设备确定自身的用户属性为边缘中心用户。可选的,广播消息中通过使用少数几个比特来指示Delta的值,即枚举类型的Delta值。
方法三:终端设备接收网络设备发送的同步序列,该同步序列携带的第二门限的设定信息为覆盖等级,即该同步序列携带终端设备的用户属性为中心用户的覆盖等级门限、或者终端设备的用户属性为边缘用户的覆盖等级门限。终端设备通过测量、确定自身的覆盖等级后,通过比较自身的覆盖等级与覆盖等级门限,判断自身为中心用户或边缘用户。终端设备可以采用现有技术中的方法,通过测量、确定自身的覆盖等级,本发明实施例中并不限定终端设备测量通过测量、确定自身的覆盖等级的具体方法。
同步序列可以采用如下方式来携带覆盖等级门限:
方式一:使用不同的主同步信号(Primary Synchronization Signal,PSS)序列,对应指示不同的覆盖等级门限;
方式二:使用不同的辅同步信号(Secondary Synchronization Signal,SSS)序列,对应指示不同的覆盖等级;
方式三:使用不同的SSS序列组合,对应指示不同的覆盖等级门限;
方式四:使用不同的PSS和SSS的相对位置,对应指示不同的覆盖等级门限。
举例说明,假设系统支持CC0~CC23种覆盖等级,覆盖等级门限为CC1,即覆盖等级为CC0和CC1的终端设备的用户属性为中心用户,覆盖等级为CC2~CC23的终端设备的用户属性为边缘用户时,对应的PSS与SSS的相对位置为:PSS在SSS前,间隔2个时隙。此时,网络设备根据当时的负载和干扰情况,选择CC1作为覆盖等级门限,则网络设备在后续的同步信号发送中,把PSS放在SSS前发送,且两者间隔2个时隙。
第三门限是指数据包属性判断门限,用于终端设备判断待发送的数据包的属性为大数据包或小数据包。终端设备获知第三门限后,根据第三门限、以 及待发送的数据包的大小,确定该待发送的数据包的属性。第三门限可以为数据包绝对长度L(单位:比特)、或者缓存状态报告(Buffer Status Report,BSR)的长度与数据包长度的比值。
S403、终端设备判断自身是否满足数据包发送条件;
若终端设备确定自身不满足数据包发送条件,则执行S404;否则,执行S405。
具体的,在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,终端设备判断自身满足数据包发送条件;否则,终端设备判断自身不满足数据包发送条件。
终端设备根据当前的信道占用时间窗中自身的起始处理时刻和当前的信道占用时间窗的总时长,可知当前的信道占用时间窗的剩余时长。终端设备可以确定待发送的数据包的长度和数据包传输速率,进而可以确定终端设备向网络设备传输待发送的数据包的时长。
可选的,若S402中终端设备通过接收网络设备的广播消息确定了第一门限,则终端设备还可以结合第一门限判断自身是否满足数据包发送条件,具体方法包括:
在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,若终端设备确认自身向网络设备传输的数据包的数量小于或等于第一门限,则终端设备确定自身满足数据包发送条件;否则,终端设备确定自身不满足数据包发送条件。
S404、终端设备结束本次数据包传输过程。
在S403中终端设备判断自身不满足数据包发送条件,且终端设备有待发送的数据包时,终端设备可延迟在网络设备当前的信道占用时间窗的下一个信道占用时间窗中,判断是否满足数据包发送条件,进而实现数据包发送。
在S403中终端设备判断自身不满足数据包发送条件,且终端设备没有待发 送的数据包时,终端设备结束本次流程。
S405、终端设备根据第二门限,判断自身的用户属性是否为中心用户;
若终端设备确定自身的用户属性为中心用户,则执行S406;否则,终端设备确定自身的用户属性为边缘用户,执行S407。
终端设备判断自身的用户属性的方法参见S402,此处不再赘述。
S406、终端设备根据第三门限,判断待发送的数据包的属性是否为小数据包;
若终端设备确定待发送的数据包的属性为小数据包,则执行S407;否则,终端设备确定待发送的数据包的属性为大数据包,执行S408。
终端设备判断待发送的数据包的属性的方法参见S402,此处不再赘述。
S407、终端设备选择第一传输方式,并采用第一传输方式向网络设备传输待发送的数据包。
即第一传输方式对应的终端设备需满足:用户属性为边缘用户、待发送的数据包的属性为大数据包或小数据包;或者,用户属性为中心用户、待发送的数据包的属性为小数据包。
终端设备采用第一传输方式向网络设备传输待发送的数据包的方法如下:
在网络设备当前的信道占用时间窗的第三时间窗中,终端设备利用可用的上行信道向网络设备传输待发送的数据包。进一步地,终端设备可以采用竞争或低占空比的方式,向网络设备传输待发送的数据包。
例如,上行信道可以为物理上行共享信道(Physical Uplink Shared Channel,PUSCH),终端设备可以通过接收网络设备发送的广播消息,获知可用的上行信道。可用的上行信道不止一个时,终端设备可以在全部可用的上行信道中随机选择一个上行信道,用于向网络设备传输待发送的数据包。
可选的,终端设备采用第一传输方式向网络设备传输待发送的数据包的方法还包括:
在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间 窗中,终端设备通过监听下行信道,获取网络设备反馈的确认信息,确认信息用于指示网络设备接收终端设备传输的待发送的数据包是否成功,例如确认信息为正确应答指令(Acknowledge,ACK)或错误应答指令(Negative Acknowledge,NACK)。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息,获知覆盖等级与下行信道的对应关系。
S408、终端设备选择第二传输方式,并采用第二传输方式向网络设备传输待发送的数据包。
即第二传输方式对应的终端设备需满足:用户属性为中心用户、待发送的数据包的属性为大数据包。
第二传输方式是指终端设备基于调度的方式实现数据包传输,可有效缓解不同系统之间信号互相干扰的问题。终端设备采用第二传输方式向网络设备传输待发送的数据包的方法如下:
步骤一:在网络设备当前的信道占用时间窗的第三时间窗中,终端设备利用可用的上行信道向网络设备发送BSR,该BSR用于请求网络设备分配数据包传输资源;
例如,上行信道可以为PUSCH,终端设备可以通过接收网络设备发送的广播消息,获知可用的上行信道。可用的上行信道不止一个时,终端设备可以在全部可用的上行信道中随机选择一个上行信道,用于向网络设备发送BSR。
步骤二:在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备通过监听下行信道,获取网络设备分配的数据包传输资源。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息,获知覆盖等级与下行信道的对应关系。
具体的,终端设备监听下行信道时,若监听到以该终端设备的标识为寻址的下行信道,终端设备解析该下行信道携带的上行分配信息,以获知数据包传输资源。
步骤三:终端设备利用网络设备分配的数据包传输资源,向网络设备传输待发送的数据包。
步骤三中可选的,若网络设备本次分配的数据包传输资源不足以终端设备向网络设备传输待发送的数据包,则终端设备在向网络设备发送数据包的同时可以携带BSR,避免终端设备再次单独向网络设备发送BSR以请求网络设备分配数据包传输资源,造成资源浪费。
可选的,还包括步骤四:
终端设备向网络设备传输待发送的数据包之后,终端设备通过监听下行信道,获取网络设备反馈的确认信息,确认信息用于指示网络设备接收终端设备传输的待发送的数据包是否成功,例如确认信息为ACK或NACK。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息,获知覆盖等级与下行信道的对应关系。
本发明实施例中,可选的,在终端设备传输待发送的数据包之后,若终端设备还有需要继续发送的数据包,则终端设备无需等待接收网络设备反馈确认信息,只要满足网络设备当前的信道占用时间窗的第三时间窗的剩余时长满足继续发送数据包的时长,并且终端设备发送数据包的数量小于或等于第一门限,终端设备可以在网络设备当前的信道占用时间窗的第三时间窗内继续向网络设备发送数据包。对于选择第一传输方式的终端设备,这种方法中提到的数据包是指示终端设备向网络设备发送的数据包,对于选择第二传输方式的终端设备,这种方法中提到的数据包是指终端设备向网络设备发送的BSR。
因此,终端设备通过监听下行信道,获取网络设备反馈的确认信息,该确认信息可以用于指示网络设备接收终端设备传输的每个数据包是否成功,即 网络设备通过一个下行信道向终端设备反馈来自同一终端设备的所有数据包的接收状态,以达到节省信令开销的目的。
本发明实施例中还提供一种网络设备动态调整第一门限的方法,第一门限是指在第一时间窗内允许的数据包最大发送数量。网络设备实时动态调整第一门限,并通过广播消息将第一门限通知给终端设备。
第一门限用于终端设备判断自身是否满足向网络设备发送数据包的条件。在终端设备发送数据包的数量满足第一门限的条件下,终端设备可以向网络设备发送多个数据包,增加终端设备发送数据包的机会,同时,网络设备通过一个下行信道向终端设备反馈来自同一终端设备的所有数据包的接收状态,以达到节省信令开销的目的。第一门限设置过小,不利于第三时间窗内的资源利用,第一门限设置过大,会加剧第三时间窗内终端设备的竞争,并造成网络设备缓存堆积。因此,本发明实施例中,网络设备根据第三时间窗内可用的上行信道的资源量、以及网络设备的处理能力,设置和动态调整第一门限,网络设备的处理能力包括下行信道的配置情况和第二时间窗内数据包传输资源(上行信道)的配置情况等,在保证第三时间窗内的资源利用率的情况下,达到负载均衡的效果。
实施例一提供的技术方案中采用竞争和基于调度的混合传输方法,终端设备根据自身的用户属性和数据包传输数量,合理选择数据包传输方式,使得非授权频谱的使用更加灵活,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。
实施例二
在本发明实施例提供的一种非授权频谱下的数据传输方法中,按照终端设备的用户属性,终端设备选择用于向网络设备发送数据包的传输方式,以实现非授权频谱下终端设备与网络设备之间的数据传输,在满足关于非授权频谱使用的法规约束的前提下,有效缓解不同系统之间信号互相干扰。
如图5所示,本发明实施例提供了一种非授权频谱下的数据传输方法,包括:
S501、在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,终端设备根据自身的用户属性,从用户属性与传输方式的映射关系中,选择用于终端设备向网络设备传输待发送的数据包的传输方式;
其中,映射关系中的用户属性包括终端设备自身的用户属性,终端设备自身的用户属性为中心用户或边缘用户;
S502、终端设备采用选择的传输方式,向网络设备传输待发送的数据包。
本发明实施例中,非授权频谱下的无线帧的空口配置如图3所示,图3中配置包括CCA时间窗和信道占用时间窗。其中,网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,第一时间窗用于终端设备与网络设备进行系统同步,第二时间窗和第三时间窗用于终端设备采用选择的传输方式与网络设备进行数据包传输。
在实施例二中,关于图3所示的非授权频谱下的无线帧的空口配置的详细内容请参见实施例一中的内容,此处不再赘述。
结合图5和图3,本发明实施例提供的一种非授权频谱下的数据传输方法流程如图6所示,包括:
S601、终端设备确定网络设备当前的信道占用时间窗的配置信息。
在网络设备当前的信道占用时间窗的第一时间窗内,终端设备通过接收网络设备发送的同步信号,获知网络设备当前的信道占用时间窗的配置信息,包括:网络设备当前的信道占用时间窗内第一时间窗、第二时间窗以及第三时间窗的时间配置,在网络设备当前的信道占用时间窗中终端设备的起始处理时刻。
S602、终端设备确定第二门限。
终端设备通过接收网络设备发送的广播消息,获知第二门限。
需要说明的是,本发明实施例中并不限定S601和S602的先后顺序。
可选的,终端设备通过接收网络设备发送的广播消息获知第一门限,第 一门限是指在第一时间窗内允许的数据包最大发送数量,用于终端设备判断自身是否满足向网络设备发送数据包的条件。
第二门限是指用户属性判断门限,用于终端设备判断自身的用户属性为中心用户或边缘用户。第二门限为设定信息的第二门限,终端设备获知设定信息的第二门限后,根据第二门限、以及自身测量的与设定信息一致的测量结果,确定自身的用户属性。该设定信息可以包括覆盖等级或RSRP。
在实施例二中,关于网络设备将第二门限通知给终端设备的方法,以及终端设备根据第二门限判断自身用户属性的方法,请参见实施例一中的内容,此处不再赘述。
S603、终端设备判断自身是否满足数据包发送条件;
若终端设备确定自身不满足数据包发送条件,则执行S604;否则,执行S605。
具体的,在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,终端设备确定自身满足数据包发送条件;否则,终端设备确定自身不满足数据包发送条件。
可选的,若S602中终端设备通过接收网络设备的广播消息确定了第一门限,则终端设备还可以结合第一门限判断自身是否满足数据包发送条件,具体方法包括:
在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备向网络设备传输待发送的数据包的时长时,若终端设备确认自身向网络设备传输的数据包的数量小于或等于第一门限,则终端设备确定自身满足数据包发送条件;否则,终端设备确定自身不满足数据包发送条件。
S604、终端设备结束本次数据包传输过程。
在S603中终端设备判断自身不满足数据包发送条件,且终端设备有待发送的数据包时,终端设备可延迟在网络设备当前的信道占用时间窗的下一个信 道占用时间窗中,判断是否满足数据包发送条件,进而实现数据包发送。
在S603中终端设备判断自身不满足数据包发送条件,且终端设备没有待发送的数据包时,终端设备结束本次流程。
S605、终端设备根据第二门限,判断自身的用户属性是否为边缘用户;
若终端设备确定自身的用户属性为边缘用户,则执行S606;否则,终端设备确定自身的用户属性为中心用户,执行S607。
终端设备判断自身的用户属性的方法参见S602,此处不再赘述。
S606、终端设备选择第一传输方式,并采用第一传输方式向网络设备传输待发送的数据包。
即第一传输方式对应的终端设备需满足:用户属性为边缘用户。
终端设备采用第一传输方式向网络设备传输待发送的数据包的方法如下:
在网络设备当前的信道占用时间窗的第三时间窗中,终端设备利用可用的上行信道向网络设备传输待发送的数据包。进一步地,终端设备可以采用竞争或低占空比的方式,向网络设备传输待发送的数据包。
例如,上行信道可以为PUSCH,终端设备可以通过接收网络设备发送的广播消息,获知可用的上行信道。可用的上行信道不止一个时,终端设备可以在全部可用的上行信道中随机选择一个上行信道,用于向网络设备传输待发送的数据包。
可选的,终端设备采用第一传输方式向网络设备传输待发送的数据包的方法还包括:
在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备通过监听下行信道,获取网络设备反馈的确认信息,确认信息用于指示网络设备接收终端设备传输的待发送的数据包是否成功,例如确认信息为ACK或NACK。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息, 获知覆盖等级与下行信道的对应关系。
S607、终端设备选择第二传输方式,并采用第二传输方式向网络设备传输待发送的数据包。
即第二传输方式对应的终端设备需满足:用户属性为中心用户。
终端设备采用第二传输方式向网络设备传输待发送的数据包的方法如下:
步骤一:在网络设备当前的信道占用时间窗的第三时间窗中,终端设备利用可用的上行信道向网络设备发送BSR,该BSR用于请求网络设备分配数据包传输资源;
例如,上行信道可以为PUSCH,终端设备可以通过接收网络设备发送的广播消息,获知可用的上行信道。可用的上行信道不止一个时,终端设备可以在全部可用的上行信道中随机选择一个上行信道,用于向网络设备发送BSR。
步骤二:在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备通过监听下行信道,获取网络设备分配的数据包传输资源。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息,获知覆盖等级与下行信道的对应关系。
具体的,终端设备监听下行信道时,若监听到以该终端设备的标识为寻址的下行信道,终端设备解析该下行信道携带的上行分配信息,以获知数据包传输资源。
步骤三:终端设备利用网络设备分配的数据包传输资源,向网络设备传输待发送的数据包。
步骤三中可选的,若网络设备本次分配的数据包传输资源不足以终端设备向网络设备传输待发送的数据包,则终端设备在向网络设备发送数据包的同时可以携带BSR,避免终端设备再次单独向网络设备发送BSR以请求网络设备分配数据包传输资源,造成资源浪费。
可选的,还包括步骤四:
终端设备向网络设备传输待发送的数据包之后,终端设备通过监听下行信道,获取网络设备反馈的确认信息,确认信息用于指示网络设备接收终端设备传输的待发送的数据包是否成功,例如确认信息为ACK或NACK。
例如,终端设备监听的下行信道可以为PDCCH,终端设备可以监听自身的覆盖等级对应的下行信道,终端设备可以通过接收网络设备的广播消息,获知覆盖等级与下行信道的对应关系。
本发明实施例中,可选的,在终端设备传输待发送的数据包之后,若终端设备还有需要继续发送的数据包,则终端设备无需等待接收网络设备反馈确认信息,只要满足网络设备当前的信道占用时间窗的第三时间窗的剩余时长满足继续发送数据包的时长,并且终端设备发送数据包的数量小于或等于第一门限,终端设备可以在网络设备当前的信道占用时间窗的第三时间窗内继续向网络设备发送数据包。对于选择第一传输方式的终端设备,这种方法中提到的数据包是指示终端设备向网络设备发送的数据包,对于选择第二传输方式的终端设备,这种方法中提到的数据包是指终端设备向网络设备发送的BSR。
因此,终端设备通过监听下行信道,获取网络设备反馈的确认信息,该确认信息可以用于指示网络设备接收终端设备传输的每个数据包是否成功,即网络设备通过一个下行信道向终端设备反馈来自同一终端设备的所有数据包的接收状态,以达到节省信令开销的目的。
本发明实施例中还提供一种网络设备动态调整第一门限的方法,第一门限是指在第一时间窗内允许的数据包最大发送数量。网络设备实时动态调整第一门限,并通过广播消息将第一门限通知给终端设备。网络设备根据第三时间窗内可用的上行信道的资源量、以及网络设备的处理能力,设置和动态调整第一门限,网络设备的处理能力包括下行信道使用情况和第二时间窗内可用资源情况等,在保证第三时间窗内的资源利用率的情况下,达到负载均衡的效果。
实施例二提供的技术方案中采用竞争和基于调度的混合传输方法,终端设备根据自身的用户属性合理选择数据包传输方式,使得非授权频谱的使用更加灵活,在满足关于非授权频谱使用的法规约束的条件下,有效缓解不同系统之间的信号干扰。
实施例三
图7为本发明实施例提供的一种终端设备,该终端设备可以采用图2对应的实施例提供的方法。该终端设备700包括:处理模块701和发送模块702。可选地,该终端设备700还包括:接收模块703。
处理模块701,用于在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备的发送模块702向网络设备传输待发送的数据包的时长时,根据终端设备的用户属性和待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于发送模块702向网络设备传输待发送的数据包的传输方式;
其中,映射关系中的用户属性包括终端设备的用户属性,终端设备的用户属性为中心用户或边缘用户,映射关系中的数据包的属性包括待发送的数据包的属性,待发送的数据包的属性为大数据包或小数据包;
发送模块702,用于采用处理模块701选择的传输方式,向网络设备传输待发送的数据包。
可选的,网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,第一时间窗用于处理模块701控制终端设备与网络设备进行系统同步,第三时间窗用于发送模块702采用处理模块701选择的传输方式与网络设备进行数据包传输;或者,
网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,第一时间窗用于处理模块701控制终端设备与网络设备进行系统同步,第二时间窗和第三时间窗用于发送模块702采用处理模块701选择的传输方式与网络设备进行数据包传输。
在第一时间窗内终端设备与网络设备进行系统同步,使得终端设备通过系统同步获知网络设备当前的信道占用时间窗的配置信息。
可选的,当网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为边缘用户、待发送的数据包的属性为大数据包或小数据包的终端设备,其包括的处理模块701选择的传输方式为第一传输方式;或者,对于自身的用户属性为中心用户、待发送的数据包的属性为小数据包的终端设备,其包括的处理模块701选择的传输方式为第一传输方式;
发送模块702采用处理模块701选择的传输方式,向网络设备传输待发送的数据包时,具体用于:
在网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向网络设备传输待发送的数据包。
选择第一传输方式的终端设备可以采用竞争或低占空比的方式,向网络设备传输待发送的数据包,可以离散终端设备发送数据包的过程,从而有效缓解不同系统之间的信号互相干扰。
可选的,所述终端设备还包括:
接收模块703,用于在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收网络设备反馈的确认信息,确认信息用于指示网络设备接收发送模块702传输的待发送的数据包是否成功。
可选的,当网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为中心用户、待发送的数据包的属性为大数据包的终端设备,其包括的处理模块701选择的传输方式为第二传输方式;
发送模块702向网络设备传输待发送的数据包之前,还用于:
在网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向网络设备发送缓存状态报告BSR,BSR用于请求网络设备分配数据包传 输资源;
终端设备还包括:
接收模块703,用于在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收网络设备分配的数据包传输资源;
发送模块702向网络设备传输待发送的数据包时,具体用于:
利用接收模块703接收的、网络设备分配的数据包传输资源,向网络设备传输待发送的数据包。
对于选择第二传输方式的终端设备,其采用基于调度传输的方式向网络设备发送数据包,可以有效缓解不同系统之间的信号互相干扰。
可选的,对于选择第二传输方式的终端设备,由于这类终端设备待发送的数据包的属性为大数据包,若网络设备本次分配的数据包传输资源不足以终端设备向网络设备传输待发送的数据包,则终端设备的发送模块702在向网络设备发送数据包的同时可以携带BSR,避免终端设备再次单独向网络设备发送BSR以请求网络设备分配数据包传输资源,造成资源浪费。
可选的,接收模块703还用于:
在发送模块702向网络设备传输待发送的数据包之后,通过监听下行信道,接收网络设备反馈的确认信息,确认信息用于指示网络设备接收终端设备传输的待发送的数据包是否成功。
可选的,处理模块701选择用于发送模块702向网络设备传输待发送的数据包的传输方式之前,还用于:
确认发送模块702向网络设备传输的数据包的数量小于或等于第一门限。
可选的,发送模块702向网络设备传输所述待发送的数据包之后,若终端设备还有需要继续发送的数据包,则终端设备无需等待接收网络设备反馈确认信息,处理模块701确认满足网络设备当前的信道占用时间窗的第三时间窗的剩余时长满足继续发送数据包的时长,并且终端设备发送数据包的数量小于或等于第一门限时,发送模块702可以在网络设备当前的信道占用时 间窗的第三时间窗内继续向网络设备发送数据包。
可选的,接收模块703通过监听下行信道,获取网络设备反馈的确认信息,该确认信息还可以用于指示网络设备接收终端设备传输的每个数据包是否成功,即网络设备通过一个下行信道向终端设备反馈来自同一终端设备的所有数据包的接收状态,以达到节省信令开销的目的。
网络设备根据第三时间窗内可用的上行信道的资源量、以及网络设备的处理能力,设置和动态调整第一门限,网络设备的处理能力包括下行信道的配置情况和第二时间窗内数据包传输资源(上行信道)的配置情况等,在保证第三时间窗内的资源利用率的情况下,达到负载均衡的效果。
可选的,处理模块701选择用于发送模块702向网络设备传输待发送的数据包的传输方式之前,还用于:
确定设定信息的第二门限,第二门限用于确定终端设备的用户属性为中心用户或边缘用户,设定信息包括覆盖等级或参考信号接收功率RSRP;
根据第二门限、以及自身测量的与设定信息一致的测量结果,确定终端设备的用户属性。
可选的,处理模块701选择用于发送模块702向网络设备传输待发送的数据包的传输方式之前,还用于:
确定第三门限,第三门限用于确定待发送的数据包的属性为大数据包或小数据包;
根据第三门限、以及待发送的数据包的大小,确定待发送的数据包的属性。
需要说明的是,本发明实施例中对单元的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售 或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
基于以上实施例,本发明实施例还提供了一种终端设备,该终端设备可采用图2对应的实施例提供的方法,可以是与图7所示的终端设备相同的设备。参阅图8所示,该终端设备800包括:处理器801、发射机802、接收机803、总线804以及存储器805,其中:
处理器801、发射机802、接收机803以及存储器805通过总线804相互连接;总线804可以是外设部件互连标准(peripheral component interconnect,PCI)总线或扩展工业标准结构(extended industry standard architecture,EISA)总线等。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示,图8中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。
图8中处理器801对应图7中的处理模块701,图8中发射机802对应图7中的发送模块702,图8中接收机803对应图7中的接收模块703。该终端设备800还包括存储器805,用于存放程序等。具体地,程序可以包括程序代码,该程序代码包括计算机操作指令。存储器805可能包含随机存取存储器(random access memory,RAM),也可能还包括非易失性存储器(non-volatile memory),例如至少一个磁盘存储器。处理器801执行存储器805所存放的应用程序,实现如上非授权频谱下的数据传输方法。
实施例四
基于以上实施例二,本发明实施例还提供了一种终端设备,该终端设备可以采用图5对应的实施例提供的方法,参阅图9所示,该终端设备900包 括:处理模块901和发送模块902。可选地,该终端设备900还包括:接收模块903。
处理模块901,用于在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当网络设备当前的信道占用时间窗的剩余时长大于或等于终端设备的发送模块902向网络设备传输待发送的数据包的时长时,根据终端设备的用户属性,从用户属性与传输方式的映射关系中,选择用于发送模块902向网络设备传输待发送的数据包的传输方式;
其中,映射关系中的用户属性包括终端设备的用户属性,终端设备的用户属性为中心用户或边缘用户;
发送模块902,用于采用处理模块901选择的传输方式,向网络设备传输待发送的数据包。
可选的,网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,第一时间窗用于处理模块901控制终端设备与网络设备进行系统同步,第三时间窗用于发送模块902采用处理模块901选择的传输方式与网络设备进行数据包传输;或者,
网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,第一时间窗用于处理模块901控制终端设备与网络设备进行系统同步,第二时间窗和第三时间窗用于发送模块902采用处理模块901选择的传输方式与网络设备进行数据包传输。
可选的,当网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为边缘用户的终端设备,其包括的处理模块901选择的传输方式为第一传输方式;
发送模块902采用处理模块901选择的传输方式,向网络设备传输待发送的数据包时,具体用于:
在网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向网络设备传输待发送的数据包。
可选的,还包括:
接收模块903,用于在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收网络设备反馈的确认信息,确认信息用于指示网络设备接收发送模块902传输的待发送的数据包是否成功。
可选的,当网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为中心用户的终端设备,其包括的处理模块901选择的传输方式为第二传输方式;
发送模块902向网络设备传输待发送的数据包之前,还用于:
在网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向网络设备发送缓存状态报告BSR,BSR用于请求网络设备分配数据包传输资源;
终端设备还包括:
接收模块903,用于在网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听物理下行信道,接收网络设备分配的数据包传输资源;
发送模块902向网络设备传输待发送的数据包时,具体用于:
利用接收模块903接收的、网络设备分配的数据包传输资源,向网络设备传输待发送的数据包。
可选的,接收模块903还用于:
在发送模块902向网络设备传输待发送的数据包之后,通过监听下行信道,接收网络设备反馈的确认信息,确认信息用于指示网络设备接收发送模块902传输的待发送的数据包是否成功。
可选的,处理模块901选择用于发送模块902向网络设备传输待发送的数据包的传输方式之前,还用于:
确认终端设备向网络设备传输的数据包的数量小于或等于第一门限。
可选的,处理模块901选择用于发送模块902向网络设备传输待发送的数据包的传输方式之前,还用于:
确定设定信息的第二门限,第二门限用于确定终端设备的用户属性为中心用户或边缘用户,设定信息包括覆盖等级或参考信号接收功率RSRP;
根据第二门限、以及自身测量的与设定信息一致的测量结果,确定终端设备的用户属性。
基于以上实施例,本发明实施例还提供了一种终端设备,该终端设备可采用图5对应的实施例提供的方法,可以是与图9所示的终端设备相同的设备。参阅图10所示,该终端设备1000包括:处理器1001、发射机1002、接收机1003、总线1004以及存储器1005,其中:
处理器1001、发射机1002、接收机1003以及存储器1005通过总线1004相互连接;总线1004可以是PCI总线或EISA总线等。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示,图10中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。
图10中处理器1001对应图9中的处理模块901,图10中发射机1002对应图9中的发送模块902,图10中接收机1003对应图9中的接收模块903。该终端设备1000还包括存储器1005,用于存放程序等。具体地,程序可以包括程序代码,该程序代码包括计算机操作指令。存储器1005可能包含RAM,也可能还包括非易失性存储器,例如至少一个磁盘存储器。处理器1001执行存储器1005所存放的应用程序,实现如上非授权频谱下的数据传输方法。
实施例五
基于以上实施例一和实施例三,本发明实施例提供的一种非授权频谱下的数据传输系统,参阅图11所示,该系统1100包括:网络设备1101和终端设备1102。其中,
网络设备1101,用于确定下行信息,下行信息包括:网络设备1101当前的信道占用时间窗,当前的信道占用时间窗的中终端设备1102的起始处理时刻,用户属性、数据包的属性与传输方式的映射关系;其中,映射关系中的 用户属性包括中心用户和边缘用户,映射关系中的数据包属性包括大数据包和小数据包;将下行信息发送给终端设备1102;
终端设备1102,用于接收网络设备1101下发的下行信息;根据下行信息,在网络设备1101当前的信道占用时间窗中终端设备1102的起始处理时刻,当网络设备1101当前的信道占用时间窗的剩余时长大于或等于终端设备1102向网络设备1101传输待发送的数据包的时长时,根据自身的用户属性和待发送的数据包的属性,从映射关系中,选择用于终端设备1102向网络设备1101传输待发送的数据包的传输方式;其中,映射关系中的用户属性包括终端设备1102自身的用户属性,映射关系中的数据包的属性包括待发送的数据包的属性;采用选择的传输方式,向网络设备1101传输待发送的数据包。
可选的,网络设备1101的每个信道占用时间窗包括第一时间窗和第三时间窗,第一时间窗用于终端设备1102与网络设备1101进行系统同步,第三时间窗用于终端设备1102采用选择的传输方式与网络设备1101进行数据包传输;或者,
网络设备1101的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,第一时间窗用于终端设备1102与网络设备1101进行系统同步,第二时间窗和第三时间窗用于终端设备1102采用选择的传输方式与网络设备1101进行数据包传输。
可选的,当网络设备1101的每个信道占用时间窗包括第一时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为边缘用户、待发送的数据包的属性为大数据包或小数据包的终端设备1102,其选择的传输方式为第一传输方式;或者,对于自身的用户属性为中心用户、待发送的数据包的属性为小数据包的终端设备1102,其选择的传输方式为第一传输方式;
第一传输方式包括:在网络设备1101当前的信道占用时间窗的第三时间窗中,终端设备1102利用可用的上行信道向网络设备1101传输待发送的数据包。
可选的,当网络设备1101的每个信道占用时间窗还包括第二时间窗时,第一传输方式还包括:
在网络设备1101当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备1102通过监听下行信道,接收网络设备1101反馈的确认信息,确认信息用于指示网络设备1101接收终端设备1102传输的待发送的数据包是否成功。
可选的,当网络设备1101的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为中心用户、待发送的数据包的属性为大数据包的终端设备1102,其选择的传输方式为第二传输方式;第二传输方式包括:
在网络设备1101当前的信道占用时间窗的第三时间窗中,终端设备1102利用可用的上行信道向网络设备1101发送缓存状态报告BSR,BSR用于请求网络设备1101分配数据包传输资源;
在网络设备1101当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备1102通过监听下行信道,获取网络设备1101分配的数据包传输资源;
终端设备1102利用网络设备1101分配的数据包传输资源,向网络设备1101传输待发送的数据包。
可选的,第二传输方式还包括:
终端设备1102向网络设备1101传输待发送的数据包之后,终端设备1102通过监听下行信道,接收网络设备1101反馈的确认信息,确认信息用于指示网络设备1101接收终端设备1102传输的待发送的数据包是否成功。
可选的,下行信息还包括第一门限;
终端设备1102选择用于终端设备1102向网络设备1101传输待发送的数据包的传输方式之前,还包括用于:
确认终端设备1102向网络设备1101传输的数据包的数量小于或等于第一门限。
可选的,下行信息还包括设定信息的第二门限,设定信息包括覆盖等级或参考信号接收功率RSRP;
终端设备1102选择用于终端设备1102向网络设备1101传输待发送的数据包的传输方式之前,还用于:
根据第二门限、以及自身测量的与设定信息一致的测量结果,确定终端设备1102的用户属性为中心用户或边缘用户。
可选的,下行信息还包括第三门限;
终端设备1102选择用于终端设备1102向网络设备1101传输待发送的数据包的传输方式之前,还用于:
根据第三门限、以及待发送的数据包的大小,确定待发送的数据包的属性为大数据包或小数据包。
实施例六
基于以上实施例二和实施例四,本发明实施例提供的一种非授权频谱下的数据传输系统,参阅图12所示,该系统1200包括:网络设备1201和终端设备1202。其中,
网络设备1201,用于确定下行信息,下行信息包括:网络设备1201当前的信道占用时间窗,当前的信道占用时间窗的中终端设备1202的起始处理时刻,用户属性与传输方式的映射关系;其中,映射关系中的用户属性包括中心用户和边缘用户;将下行信息发送给终端设备1202;
终端设备1202,用于接收网络设备1201下发的下行信息;根据下行信息,在网络设备1201当前的信道占用时间窗中终端设备1202的起始处理时刻,当网络设备1201当前的信道占用时间窗的剩余时长大于或等于终端设备1202向网络设备1201传输待发送的数据包的时长时,根据自身的用户属性,从映射关系中,选择用于终端设备1202向网络设备1201传输待发送的数据包的传输方式;其中,映射关系中的用户属性包括终端设备1202自身的用户属性;采用选择的传输方式,向网络设备1201传输待发送的数据包。
可选的,网络设备1201的每个信道占用时间窗包括第一时间窗和第三时 间窗,第一时间窗用于终端设备1202与网络设备1201进行系统同步,第三时间窗用于终端设备1202采用选择的传输方式与网络设备1201进行数据包传输;或者,
网络设备1201的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,第一时间窗用于终端设备1202与网络设备1201进行系统同步,第二时间窗和第三时间窗用于终端设备1202采用选择的传输方式与网络设备1201进行数据包传输。
可选的,当网络设备1201的每个信道占用时间窗包括第一时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为边缘用户的终端设备1202,其选择的传输方式为第一传输方式;
第一传输方式包括:在网络设备1201当前的信道占用时间窗的第三时间窗中,终端设备1202利用可用的上行信道向网络设备1201传输待发送的数据包。
可选的,当网络设备1201的每个信道占用时间窗还包括第二时间窗时,第一传输方式还包括:
在网络设备1201当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备1202通过监听下行信道,获取网络设备1201反馈的确认信息,确认信息用于指示网络设备1201接收终端设备1202传输的待发送的数据包是否成功。
可选的,当网络设备1201的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,映射关系包括:
对于自身的用户属性为中心用户的终端设备1202,其选择的传输方式为第二传输方式;第二传输方式包括:
在网络设备1201当前的信道占用时间窗的第三时间窗中,终端设备1202利用可用的上行信道向网络设备1201发送缓存状态报告BSR,BSR用于请求网络设备1201分配数据包传输资源;
在网络设备1201当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,终端设备1202通过监听物理下行信道,获取网络设备1201分配的数据包传输资源;
终端设备1202利用网络设备1201分配的数据包传输资源,向网络设备1201传输待发送的数据包。
可选的,第二传输方式还包括:
终端设备1202向网络设备1201传输待发送的数据包之后,终端设备1202通过监听下行信道,获取网络设备1201反馈的确认信息,确认信息用于指示网络设备1201接收终端设备1202传输的待发送的数据包是否成功。
可选的,下行信息还包括第一门限;
终端设备1202选择用于终端设备1202向网络设备1201传输待发送的数据包的传输方式之前,还用于:
确认终端设备1202向网络设备1201传输的数据包的数量小于或等于第一门限。
可选的,下行信息还包括设定信息的第二门限,设定信息包括覆盖等级或参考信号接收功率RSRP;
终端设备1202选择用于终端设备1202向网络设备1201传输待发送的数据包的传输方式之前,还用于:
根据第二门限、以及自身测量的与设定信息一致的测量结果,确定终端设备1202的用户属性为中心用户或边缘用户。
尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例作出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然,本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样,倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (34)

  1. 一种非授权频谱下的数据传输方法,其特征在于,包括:
    在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备向所述网络设备传输待发送的数据包的时长时,所述终端设备根据自身的用户属性和所述待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式;
    其中,所述映射关系中的所述用户属性包括所述终端设备自身的用户属性,所述终端设备自身的用户属性为中心用户或边缘用户,所述映射关系中的所述数据包的属性包括所述待发送的数据包的属性,所述待发送的数据包的属性为大数据包或小数据包;
    所述终端设备采用选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
  2. 如权利要求1所述的方法,其特征在于,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
    所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
  3. 如权利要求2所述的方法,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为边缘用户、所述待发送的数据包的属性为大数据包或小数据包的终端设备,其选择的传输方式为第一传输方式;或者,对于 自身的用户属性为中心用户、所述待发送的数据包的属性为小数据包的终端设备,其选择的传输方式为第一传输方式;
    所述第一传输方式包括,在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
  4. 如权利要求3所述的方法,其特征在于,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
    在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
  5. 如权利要求2至4任一所述的方法,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为中心用户、所述待发送的数据包的属性为大数据包的终端设备,其选择的传输方式为第二传输方式;所述第二传输方式包括:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
    在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备分配的数据包传输资源;
    所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
  6. 如权利要求5所述的方法,其特征在于,所述第二传输方式还包括:
    所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息 用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
  7. 如权利要求1至6任一所述的方法,其特征在于,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
    所述终端设备确认所述终端设备向所述网络设备传输的数据包的数量小于或等于第一门限。
  8. 如权利要求1至7任一所述的方法,其特征在于,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
    所述终端设备从所述网络设备处获取设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息包括覆盖等级或参考信号接收功率RSRP;
    所述终端设备根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定自身的用户属性。
  9. 如权利要求1至8任一所述的方法,其特征在于,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
    所述终端设备从所述网络设备处获取第三门限,所述第三门限用于确定所述待发送的数据包的属性为大数据包或小数据包;
    所述终端设备根据所述第三门限、以及所述待发送的数据包的大小,确定所述待发送的数据包的属性。
  10. 一种非授权频谱下的数据传输方法,其特征在于,包括:
    在网络设备当前的信道占用时间窗中终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备向所述网络设备传输待发送的数据包的时长时,所述终端设备根据自身的用户属性,从用户属性与传输方式的映射关系中,选择用于所述终端设备向所述网络设 备传输所述待发送的数据包的传输方式;
    其中,所述映射关系中的所述用户属性包括所述终端设备自身的用户属性,所述终端设备自身的用户属性为中心用户或边缘用户;
    所述终端设备采用选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
  11. 如权利要求10所述的方法,其特征在于,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输;或者,
    所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述终端设备采用选择的传输方式与所述网络设备进行数据包传输。
  12. 如权利要求11所述的方法,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为边缘用户的终端设备,其选择的传输方式为第一传输方式;
    所述第一传输方式包括:在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备传输所述待发送的数据包。
  13. 如权利要求12所述的方法,其特征在于,当所述网络设备的每个信道占用时间窗还包括第二时间窗时,所述第一传输方式还包括:
    在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
  14. 如权利要求11至13任一所述的方法,其特征在于,当所述网络设 备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为中心用户的终端设备,其选择的传输方式为第二传输方式;所述第二传输方式包括:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,所述终端设备利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
    在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,所述终端设备通过监听物理下行信道,获取所述网络设备分配的数据包传输资源;
    所述终端设备利用所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
  15. 如权利要求14所述的方法,其特征在于,所述第二传输方式还包括:
    所述终端设备向所述网络设备传输所述待发送的数据包之后,所述终端设备通过监听下行信道,获取所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
  16. 如权利要求10至15任一所述的方法,其特征在于,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
    所述终端设备确认所述终端设备向所述网络设备传输的数据包的数量小于或等于第一门限。
  17. 如权利要求10至16任一所述的方法,其特征在于,所述终端设备选择用于所述终端设备向所述网络设备传输所述待发送的数据包的传输方式之前,还包括:
    所述终端设备从所述网络设备处获取设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息 包括覆盖等级或参考信号接收功率RSRP;
    所述终端设备根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定自身的用户属性。
  18. 一种终端设备,其特征在于,包括:
    处理模块,用于在网络设备当前的信道占用时间窗中所述终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备的发送模块向所述网络设备传输待发送的数据包的时长时,根据所述终端设备的用户属性和所述待发送的数据包的属性,从用户属性、数据包的属性与传输方式的映射关系中,选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式;
    其中,所述映射关系中的所述用户属性包括所述终端设备的用户属性,所述终端设备的用户属性为中心用户或边缘用户,所述映射关系中的所述数据包的属性包括所述待发送的数据包的属性,所述待发送的数据包的属性为大数据包或小数据包;
    所述发送模块,用于采用所述处理模块选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
  19. 如权利要求18所述的终端设备,其特征在于,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述处理模块控制所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述发送模块采用所述处理模块选择的传输方式与所述网络设备进行数据包传输;或者,
    所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述处理模块控制所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述发送模块采用所述处理模块选择的传输方式与所述网络设备进行数据包传输。
  20. 如权利要求19所述的终端设备,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为边缘用户、所述待发送的数据包的属性为大数据包或小数据包的终端设备,其包括的所述处理模块选择的传输方式为第一传输方式;或者,对于自身的用户属性为中心用户、所述待发送的数据包的属性为小数据包的终端设备,其包括的所述处理模块选择的传输方式为第一传输方式;
    所述发送模块采用所述处理模块选择的传输方式,向所述网络设备传输所述待发送的数据包时,具体用于:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向所述网络设备传输所述待发送的数据包。
  21. 如权利要求20所述的终端设备,其特征在于,还包括:
    接收模块,用于在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述发送模块传输的所述待发送的数据包是否成功。
  22. 如权利要求19所述的终端设备,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为中心用户、所述待发送的数据包的属性为大数据包的终端设备,其包括的所述处理模块选择的传输方式为第二传输方式;
    所述发送模块向所述网络设备传输所述待发送的数据包之前,还用于:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
    所述终端设备还包括:
    接收模块,用于在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收所述网络设备分配的数据包传输资源;
    所述发送模块向所述网络设备传输所述待发送的数据包时,具体用于:
    利用所述接收模块接收的、所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
  23. 如权利要求22所述的终端设备,其特征在于,所述接收模块还用于:
    在所述发送模块向所述网络设备传输所述待发送的数据包之后,通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述终端设备传输的所述待发送的数据包是否成功。
  24. 如权利要求18至23任一所述的终端设备,其特征在于,所述处理模块选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式之前,还用于:
    确认所述发送模块向所述网络设备传输的数据包的数量小于或等于第一门限。
  25. 如权利要求18至24任一所述的终端设备,其特征在于,所述处理模块选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式之前,还用于:
    确定设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息包括覆盖等级或参考信号接收功率RSRP;
    根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定所述终端设备的用户属性。
  26. 如权利要求18至25任一所述的终端设备,其特征在于,所述处理模块选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式之前,还用于:
    确定第三门限,所述第三门限用于确定所述待发送的数据包的属性为大数据包或小数据包;
    根据所述第三门限、以及所述待发送的数据包的大小,确定所述待发送的数据包的属性。
  27. 一种非授权频谱下的数据传输终端设备,其特征在于,包括:
    处理模块,用于在网络设备当前的信道占用时间窗中所述终端设备的起始处理时刻,当所述网络设备当前的信道占用时间窗的剩余时长大于或等于所述终端设备的发送模块向所述网络设备传输待发送的数据包的时长时,根据所述终端设备的用户属性,从用户属性与传输方式的映射关系中,选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式;
    其中,所述映射关系中的所述用户属性包括所述终端设备的用户属性,所述终端设备的用户属性为中心用户或边缘用户;
    所述发送模块,用于采用所述处理模块选择的所述传输方式,向所述网络设备传输所述待发送的数据包。
  28. 如权利要求27所述的终端设备,其特征在于,所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗,所述第一时间窗用于所述处理模块控制所述终端设备与所述网络设备进行系统同步,所述第三时间窗用于所述发送模块采用所述处理模块选择的传输方式与所述网络设备进行数据包传输;或者,
    所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗,所述第一时间窗用于所述处理模块控制所述终端设备与所述网络设备进行系统同步,所述第二时间窗和所述第三时间窗用于所述发送模块采用所述处理模块选择的传输方式与所述网络设备进行数据包传输。
  29. 如权利要求28所述的终端设备,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为边缘用户的终端设备,其包括的所述处理模块选择的传输方式为第一传输方式;
    所述发送模块采用所述处理模块选择的所述传输方式,向所述网络设备传输所述待发送的数据包时,具体用于:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向所述网络设备传输所述待发送的数据包。
  30. 如权利要求29所述的终端设备,其特征在于,还包括:
    接收模块,用于在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述发送模块传输的所述待发送的数据包是否成功。
  31. 如权利要求28所述的终端设备,其特征在于,当所述网络设备的每个信道占用时间窗包括第一时间窗、第二时间窗和第三时间窗时,所述映射关系包括:
    对于自身的用户属性为中心用户的终端设备,其包括的所述处理模块选择的传输方式为第二传输方式;
    所述发送模块向所述网络设备传输所述待发送的数据包之前,还用于:
    在所述网络设备当前的信道占用时间窗的第三时间窗中,利用可用的上行信道向所述网络设备发送缓存状态报告BSR,所述BSR用于请求所述网络设备分配数据包传输资源;
    所述终端设备还包括:
    接收模块,用于在所述网络设备当前的信道占用时间窗的下一个信道占用时间窗的第二时间窗中,通过监听物理下行信道,接收所述网络设备分配的数据包传输资源;
    所述发送模块向所述网络设备传输所述待发送的数据包时,具体用于:
    利用所述接收模块接收的、所述网络设备分配的数据包传输资源,向所述网络设备传输所述待发送的数据包。
  32. 如权利要求31所述的终端设备,其特征在于,所述接收模块还用于:
    在所述发送模块向所述网络设备传输所述待发送的数据包之后,通过监听下行信道,接收所述网络设备反馈的确认信息,所述确认信息用于指示所述网络设备接收所述发送模块传输的所述待发送的数据包是否成功。
  33. 如权利要求27至32任一所述的终端设备,其特征在于,所述处理模块选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输 方式之前,还用于:
    确认所述终端设备向所述网络设备传输的数据包的数量小于或等于第一门限。
  34. 如权利要求27至33任一所述的终端设备,其特征在于,所述处理模块选择用于所述发送模块向所述网络设备传输所述待发送的数据包的传输方式之前,还用于:
    确定设定信息的第二门限,所述第二门限用于确定所述终端设备的用户属性为中心用户或边缘用户,所述设定信息包括覆盖等级或参考信号接收功率RSRP;
    根据所述第二门限、以及自身测量的与所述设定信息一致的测量结果,确定所述终端设备的用户属性。
PCT/CN2016/074873 2016-02-29 2016-02-29 一种非授权频谱下的数据传输方法及系统、终端设备 WO2017147760A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201680082322.2A CN108702790B (zh) 2016-02-29 2016-02-29 一种非授权频谱下的数据传输方法及系统、终端设备
KR1020187027415A KR102148273B1 (ko) 2016-02-29 2016-02-29 비인가 스펙트럼에서의 데이터 송신 방법, 시스템 및 단말 기기
EP16891953.8A EP3410809B1 (en) 2016-02-29 2016-02-29 Data transmission method and system at unlicensed frequency spectrum and terminal device
PCT/CN2016/074873 WO2017147760A1 (zh) 2016-02-29 2016-02-29 一种非授权频谱下的数据传输方法及系统、终端设备
US16/115,328 US11057930B2 (en) 2016-02-29 2018-08-28 Method, system, and terminal device for data transmission in unlicensed spectrum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/074873 WO2017147760A1 (zh) 2016-02-29 2016-02-29 一种非授权频谱下的数据传输方法及系统、终端设备

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/115,328 Continuation US11057930B2 (en) 2016-02-29 2018-08-28 Method, system, and terminal device for data transmission in unlicensed spectrum

Publications (1)

Publication Number Publication Date
WO2017147760A1 true WO2017147760A1 (zh) 2017-09-08

Family

ID=59743349

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/074873 WO2017147760A1 (zh) 2016-02-29 2016-02-29 一种非授权频谱下的数据传输方法及系统、终端设备

Country Status (5)

Country Link
US (1) US11057930B2 (zh)
EP (1) EP3410809B1 (zh)
KR (1) KR102148273B1 (zh)
CN (1) CN108702790B (zh)
WO (1) WO2017147760A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111108800A (zh) * 2017-09-25 2020-05-05 华为技术有限公司 一种通信方法和装置
CN111147209A (zh) * 2018-11-02 2020-05-12 华为技术有限公司 一种指示信息的传输方法和装置
WO2023044864A1 (zh) * 2021-09-26 2023-03-30 Oppo广东移动通信有限公司 数据传输方法、装置及存储介质

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109309923A (zh) * 2017-07-26 2019-02-05 索尼公司 电子装置、信息处理设备和信息处理方法
US11700595B2 (en) * 2018-01-11 2023-07-11 Sony Corporation Terminal device, base station device, and method
EP3890425B1 (en) * 2019-01-11 2022-10-26 LG Electronics Inc. Method for transmitting and receiving signal in wireless communication system and apparatus for supporting same
US11425705B2 (en) 2019-02-28 2022-08-23 Electronics And Telecommunication Research Institute Method and apparatus for transmitting and receiving control information in communication system supporting unlicensed band
WO2023143837A1 (en) * 2022-01-25 2023-08-03 Sony Group Corporation Methods, communications devices, and infrastructure equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101558679A (zh) * 2006-11-17 2009-10-14 艾利森电话股份有限公司 当信道质量参数降落到预定义的阈值以下时经由单独上行链路与基站通信的移动站
CN101997600A (zh) * 2009-08-27 2011-03-30 上海贝尔股份有限公司 减小移动通信系统中保护时间间隔的方法和基站
CN103781187A (zh) * 2012-10-19 2014-05-07 华为终端有限公司 一种控制文件传输的方法及终端
US20150004994A1 (en) * 2013-07-01 2015-01-01 Industry Foundation Of Chonnam National University Apparatus and method for analyzing performance according to inter-cell interference control based on coordinated multipoint communication in heterogeneous network

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080181097A1 (en) * 2006-11-16 2008-07-31 Interdigital Technology Corporation Method and ofdm receiver with multi-dimensional window processing unit for robustly decoding rf signals
US8954065B2 (en) 2010-11-24 2015-02-10 Lg Electronics Inc. Method of communicating data based on an unlicensed band in a wireless communication system
JP2013135332A (ja) * 2011-12-26 2013-07-08 Sharp Corp 基地局装置、許容重複数決定方法、許容重複数決定プログラム、移動局装置、許容重複数通知方法及び許容重複数通知プログラム
KR101339604B1 (ko) * 2012-03-14 2013-12-10 서울대학교산학협력단 다중 사용자 혼성 매체 접근 제어 기반의 무선 자원 관리 방법
WO2013149387A1 (en) * 2012-04-05 2013-10-10 Renesas Mobile Corporation Apparatus and method for accessing unlicensed band with network assistance
JP5916507B2 (ja) * 2012-05-11 2016-05-11 シャープ株式会社 送信装置、受信装置、送信方法、プログラムおよび集積回路
WO2014055878A1 (en) * 2012-10-05 2014-04-10 Interdigital Patent Holdings, Inc. Method and apparatus for enhancing coverage of machine type communication (mtc) devices
US9392487B2 (en) * 2013-05-06 2016-07-12 Huawei Technologies Co., Ltd. Systems and methods for traffic-aware medium access selection
US10285167B2 (en) * 2013-09-20 2019-05-07 Qualcomm Incorporated Uplink resource allocation and transport block size determination over unlicensed spectrum
CN109687950B (zh) * 2014-03-31 2021-06-25 上海朗帛通信技术有限公司 非授权频带上的传输方法和装置
CN105282855B (zh) * 2014-07-03 2020-03-10 中兴通讯股份有限公司 资源抢占方法及站点
US10356807B2 (en) * 2014-08-22 2019-07-16 Qualcomm Incorporated Techniques for transmitting and receiving channel occupancy identifiers over an unlicensed radio frequency spectrum band
KR102375379B1 (ko) * 2014-10-31 2022-03-17 삼성전자 주식회사 이동통신 시스템에서 비면허 대역을 이용한 통신 방법 및 장치
US20160135148A1 (en) * 2014-11-06 2016-05-12 Samsung Electronics Co., Ltd. Efficient operation of lte cells on unlicensed spectrum
US10091713B2 (en) * 2015-01-27 2018-10-02 Qualcomm Incorporated Numerology and frames for networks in the sub-1GHz (S1G) band
JP2018152626A (ja) * 2015-08-05 2018-09-27 シャープ株式会社 端末装置、基地局装置および通信方法
EP4084567A1 (en) * 2015-08-14 2022-11-02 Electronics and Telecommunications Research Institute Operating method of communication node in network supporting licensed and unlicensed bands
EP3372042A1 (en) * 2015-11-06 2018-09-12 Telefonaktiebolaget LM Ericsson (PUBL) Communication device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101558679A (zh) * 2006-11-17 2009-10-14 艾利森电话股份有限公司 当信道质量参数降落到预定义的阈值以下时经由单独上行链路与基站通信的移动站
CN101997600A (zh) * 2009-08-27 2011-03-30 上海贝尔股份有限公司 减小移动通信系统中保护时间间隔的方法和基站
CN103781187A (zh) * 2012-10-19 2014-05-07 华为终端有限公司 一种控制文件传输的方法及终端
US20150004994A1 (en) * 2013-07-01 2015-01-01 Industry Foundation Of Chonnam National University Apparatus and method for analyzing performance according to inter-cell interference control based on coordinated multipoint communication in heterogeneous network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3410809A4 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111108800A (zh) * 2017-09-25 2020-05-05 华为技术有限公司 一种通信方法和装置
US11317295B2 (en) 2017-09-25 2022-04-26 Huawei Technologies Co., Ltd. Communications method and apparatus
CN111147209A (zh) * 2018-11-02 2020-05-12 华为技术有限公司 一种指示信息的传输方法和装置
CN111147209B (zh) * 2018-11-02 2022-04-05 华为技术有限公司 一种指示信息的传输方法和装置
US11991707B2 (en) 2018-11-02 2024-05-21 Huawei Technologies Co., Ltd. Indication information transmission method and apparatus
WO2023044864A1 (zh) * 2021-09-26 2023-03-30 Oppo广东移动通信有限公司 数据传输方法、装置及存储介质

Also Published As

Publication number Publication date
KR102148273B1 (ko) 2020-08-26
EP3410809A4 (en) 2019-01-09
US11057930B2 (en) 2021-07-06
CN108702790B (zh) 2020-09-29
US20190014595A1 (en) 2019-01-10
CN108702790A (zh) 2018-10-23
EP3410809A1 (en) 2018-12-05
EP3410809B1 (en) 2020-04-01
KR20180114941A (ko) 2018-10-19

Similar Documents

Publication Publication Date Title
WO2017147760A1 (zh) 一种非授权频谱下的数据传输方法及系统、终端设备
TWI658709B (zh) 指示以及實現新ue能力的方法以及裝置
KR101605293B1 (ko) 업링크 데이터를 송신하기 위한 채널 사용 시간을 통지하기 위한 방법, 업링크 데이터 송신 방법 및 디바이스
KR101480598B1 (ko) 무선 네트워크에서 통신을 개시하기 위한 기법
EP3496314B1 (en) Method for ack/nack feedback under unlicensed frequency spectrum, and relevant device
JP2019083577A (ja) サイクリック・プレフィックスの長さを設定するためのシステムおよび方法
WO2017024586A1 (zh) 一种数据传输装置、方法及系统
WO2020221861A1 (en) Enhanced initial access for efficient small data transmission
KR20200015944A (ko) 버퍼 상태 보고를 전송하기 위한 방법 및 사용자 장치
US20200322937A1 (en) Information indication method, terminal device, and network device
WO2015158004A1 (zh) 一种功率配置方法、用户设备及基站
WO2020200092A1 (zh) 一种上行信息传输方法及装置
US20230026327A1 (en) Sidelink transmission method and apparatus
US10383090B2 (en) Data sending method, user equipment, and network device
CN105474736B (zh) 传输数据的方法及装置
WO2022022257A1 (zh) 通信方法及装置
CN108353411B (zh) 数据传输的方法及装置
CN114449675B (zh) 信息传输方法及相关产品
WO2018058584A1 (zh) 发送或接收信道状态信息的方法和设备
WO2017128512A1 (zh) 信息发送方法、信息接收方法、装置及系统
CN115023914A (zh) 信息处理方法及设备
WO2016101148A1 (zh) 物理无线资源块调度的方法、设备和系统
JP2024517913A (ja) 通信方法および装置
WO2021004234A1 (zh) 一种数据传输方法及通信装置
WO2019023912A1 (zh) 一种应答反馈方法、终端及网络设备

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2016891953

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2016891953

Country of ref document: EP

Effective date: 20180830

WWE Wipo information: entry into national phase

Ref document number: 1020187027415

Country of ref document: KR

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16891953

Country of ref document: EP

Kind code of ref document: A1