WO2015165011A1 - 一种数据传输发射端设备、接收端设备和方法 - Google Patents

一种数据传输发射端设备、接收端设备和方法 Download PDF

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Publication number
WO2015165011A1
WO2015165011A1 PCT/CN2014/076392 CN2014076392W WO2015165011A1 WO 2015165011 A1 WO2015165011 A1 WO 2015165011A1 CN 2014076392 W CN2014076392 W CN 2014076392W WO 2015165011 A1 WO2015165011 A1 WO 2015165011A1
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WO
WIPO (PCT)
Prior art keywords
end device
data
configuration information
frequency band
preset
Prior art date
Application number
PCT/CN2014/076392
Other languages
English (en)
French (fr)
Inventor
权威
张戬
杨晓东
胡振兴
李秉肇
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 PCT/CN2014/076392 priority Critical patent/WO2015165011A1/zh
Priority to CN201480000765.3A priority patent/CN105264942B/zh
Publication of WO2015165011A1 publication Critical patent/WO2015165011A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission and transmitting device, a receiving device, and a method.
  • the spectrum is the basis of wireless communication. According to the latest international spectrum white paper issued by the Federal Communications Commission (FCC), unlicensed spectrum resources are larger than licensed spectrum resources.
  • FCC Federal Communications Commission
  • unlicensed spectrum resources are larger than licensed spectrum resources.
  • WiFi Wireless Fidelity
  • WiFi has drawbacks in terms of mobility, security, Quality of Service (QoS), and simultaneous handling of multi-user scheduling. Therefore, the application of Long-term Evolution (LTE) equipment to unlicensed spectrum can not only effectively utilize unlicensed spectrum resources, but also provide more efficient wireless access to meet the needs of the growing mobile broadband services.
  • LTE Long-term Evolution
  • the LTE base station device uses the unlicensed spectrum mainly by configuring the unlicensed spectrum as the secondary cell (Scell) of the LTE user equipment (UE) to the UE, so that the LTE base station can utilize the unlicensed spectrum and The UE performs data communication.
  • Scell secondary cell
  • UE LTE user equipment
  • Embodiments of the present invention provide a data transmission transmitting end device, a receiving end device, and a method, based on data transmission of an unlicensed spectrum cell LTE, by monitoring an unlicensed spectrum cell before transmitting data, and transmitting when the frequency band resource is idle.
  • the data reduces or eliminates the problem of data loss during transmission due to the existence of contention and conflict on the unlicensed spectrum, and improves the data transmission performance based on the unlicensed spectrum cell.
  • the embodiment of the present invention adopts the following technical solutions:
  • a sending end device is provided, where the sending end device includes: a first acquiring unit, configured to acquire configuration information, where the configuration information includes: Monitoring rules, frequency band indication information;
  • a monitoring unit configured to monitor, according to the monitoring rule in the configuration information, a preset frequency band of a preset unlicensed spectrum cell indicated by the frequency band indication information; and a data sending unit, configured to determine, by the monitoring unit When the preset frequency band is idle, the data is sent to the receiving end device by using the preset frequency band of the preset unlicensed spectrum cell.
  • the monitoring rule includes: a listening time and a backoff time
  • the monitoring unit is specifically configured to: if the monitoring determines that the preset frequency band of the preset unlicensed spectrum cell is in an idle state during the listening period, sending, by using the preset frequency band, data to the receiving end device; or
  • the preset frequency band is in a non-idle state, according to the back-off time, after the back-off time is separated, the preset frequency band is re-observed and judged.
  • the monitoring rule further includes a power threshold
  • the monitoring unit is further configured to: if the power of each of the detected signals in the preset frequency band is less than the power threshold, determine that the preset frequency band is an idle state; or
  • the preset frequency band is in a non-idle state.
  • the data includes a preset identifier corresponding to the data.
  • the data sending unit is further configured to:
  • the feedback message is used to indicate a preset identifier corresponding to the data that the receiving end device has received;
  • the sending end device when the sending end device is a base station, and the receiving end device is a user equipment, the sending end device further includes: a first sending unit, configured to: After acquiring the configuration information, the first acquiring unit sends the configuration information to the receiving end device, so that the receiving end device receives and according to the frequency band indication information in the configuration information, at the indicated location Presetting the preset frequency band of the unlicensed spectrum cell to receive data.
  • a first sending unit configured to: After acquiring the configuration information, the first acquiring unit sends the configuration information to the receiving end device, so that the receiving end device receives and according to the frequency band indication information in the configuration information, at the indicated location Presetting the preset frequency band of the unlicensed spectrum cell to receive data.
  • the first sending unit is specifically configured to:
  • the first acquiring unit is specifically configured to obtain from the receiving end device.
  • the configuration information when the sending end device is a user equipment, and the receiving end device is a base station, the first acquiring unit is specifically configured to obtain from the receiving end device. The configuration information.
  • the configuration information further includes an effective time
  • the sending end device further includes: an activation unit, configured to be in the first acquiring unit After the configuration information is obtained, the preset unlicensed spectrum cell is activated, and the preset unlicensed spectrum cell is deactivated after the effective time is separated, so that the data sending unit goes to the The receiving device sends data.
  • the second aspect provides a receiving end device, where the receiving end device includes: a second acquiring unit, configured to acquire configuration information, where the configuration information includes frequency band indication information;
  • a data receiving unit configured to receive data sent by the sending end device in a preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information in the configuration information.
  • the receiving device further includes:
  • a feedback unit configured to decode data received by the data receiving unit, and obtain a preset identifier corresponding to the received data, generating a feedback message, and sending the feedback message to the sending end device, so that the sending end device performs data retransmission according to the feedback message; the feedback message is used to indicate that the The preset identifier corresponding to the received data.
  • the feedback unit is further configured to:
  • a feedback message is sent.
  • the configuration information further includes a listening rule
  • the receiving end device further includes :
  • a second sending unit configured to send the configuration information to the sending end device after the second obtaining unit acquires the configuration information, so that the sending end device receives and according to the foregoing in the configuration information
  • the monitoring rule monitors, and sends data in a preset frequency band indicated by the frequency band indication information.
  • the second sending unit is specifically configured to:
  • the second acquiring unit is specifically configured to obtain, by the sending end device, The configuration information.
  • the configuration information further includes an effective time
  • the receiving device further includes: an activation unit, configured to be in the second acquiring unit After the configuration information is obtained, the preset unlicensed spectrum cell is activated, and the preset unlicensed spectrum cell is deactivated after the effective time is separated, so that the data receiving unit is in the valid time
  • the sender device receives the data.
  • the third aspect provides a data transmission method, where the method includes: the sending end device acquires configuration information, where the configuration information includes: an interception rule and a frequency band indication information;
  • the sending end device monitors, according to the monitoring rule in the configuration information, a preset frequency band of a preset unlicensed spectrum cell indicated by the frequency band indication information; when determining that the preset frequency band is idle, The sending end device sends data to the receiving end device by using the preset frequency band of the preset unlicensed spectrum cell.
  • the monitoring rule includes: a listening time and a backoff time; and the sending end device is configured according to the monitoring rule in the configuration information.
  • the monitoring of the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information includes:
  • the sending end device monitors that the preset frequency segment of the preset unlicensed spectrum cell is in an idle state during the listening time, sending, by using the preset frequency band, data to the receiving end device;
  • the preset frequency band is in a non-idle state, according to the back-off time, after the back-off time is separated, the preset frequency band is re-observed and judged.
  • the monitoring rule further includes a power threshold, where the method further includes:
  • the preset frequency band is in a non-idle state.
  • the data includes a preset identifier corresponding to the data.
  • the method further includes:
  • the sending end device receives the feedback message sent by the receiving end device; the feedback message is used to indicate a preset identifier corresponding to the data that the receiving end device has received; the sending end device according to the feedback message, Determining that the receiving device is not connected Received data and retransmit the unreceived data.
  • the method further includes :
  • the sending end device sends the configuration information to the receiving end device, so that the receiving end device receives and according to the frequency band indication information in the configuration information, in the indicated preset unlicensed spectrum cell
  • the preset frequency band receives data.
  • the sending end device when the sending end device is a user equipment, and the receiving end device is a base station, the sending end device acquiring configuration information includes:
  • the sending end device acquires the configuration information from the receiving end device.
  • the configuration information further includes an effective time
  • the method further includes:
  • the sending end device After acquiring the configuration information, the sending end device activates the preset unlicensed spectrum cell, and after the effective time interval, deactivates the preset unlicensed spectrum cell, so as to be in the valid time period.
  • the receiving device sends data.
  • a fourth aspect provides a data transmission method, where the method includes:
  • the receiving device obtains the configuration information, where the configuration information includes the frequency band indication information, where the receiving device sends the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information in the configuration information, and the receiving and transmitting device sends The data.
  • the method further includes: receiving, by the receiving device, the received data. Decoding, acquiring a preset identifier corresponding to the received data, generating a feedback message, and sending the message to the sending device, to And the sending end device performs data retransmission according to the feedback message; the feedback message is used to indicate a preset identifier corresponding to the received data.
  • the generating the feedback message and sending the message to the sending end device includes:
  • the receiving device After receiving the one or more of the data in the preset feedback time, the receiving device sends one of the feedback messages.
  • the configuration information further includes an intercepting rule, where the receiving end device obtains After the configuration information, the method further includes: the receiving end device sending the configuration information to the sending end device, so that the sending end device receives and monitors according to the listening rule in the configuration information, where The frequency band indicates that the preset frequency band indicated by the information transmission data.
  • the receiving, by the receiving end device, the sending, by the sending end device, the configuration information by: And sending the configuration information to the sending end device; or sending the configuration information to the sending end device by using an unlicensed spectrum cell that has established a communication connection with the sending end device.
  • the receiving end device when the receiving end device is a user equipment, and the sending end device is a base station, the receiving end device acquiring configuration information includes:
  • the receiving end device acquires the configuration information from the sending end device.
  • the configuration information further includes an effective time, where the method further includes:
  • the receiving end device After acquiring the configuration information, the receiving end device activates the preset unlicensed spectrum cell, and after the interval is valid, deactivates the preset unlicensed spectrum cell, so as to be from the valid time
  • the transmitting device receives data.
  • a fifth aspect provides a sending end device, where the sending end device includes: a bus, And a processor, a memory and an interface coupled to the bus; the memory for storing instructions; the processor executing the instructions for:
  • configuration information includes: a monitoring rule, a frequency band indication information; and monitoring, according to the monitoring rule in the configuration information, a preset frequency band of a preset unlicensed spectrum cell indicated by the frequency band indication information;
  • the data is sent to the receiving end device by using the preset frequency band of the preset unlicensed spectrum cell.
  • the monitoring rule includes: a listening time and a backoff time
  • the executing the instruction is specifically configured to: if the monitoring determines that the preset frequency band of the preset unlicensed spectrum cell is in an idle state during the listening period, sending, by using the preset frequency band, data to the receiving end device ; or,
  • the preset frequency band is in a non-idle state, according to the back-off time, after the back-off time is separated, the preset frequency band is re-observed and judged.
  • the monitoring rule further includes a power threshold
  • the executing the instruction is specifically configured to: if the power of each of the detected signals in the preset frequency band is less than the power threshold, determining that the preset frequency segment is an idle state; or
  • the preset frequency band is in a non-idle state.
  • the data includes a preset identifier corresponding to the data.
  • the feedback message is used to indicate a preset identifier corresponding to the data that the receiving end device has received;
  • the processor executing the instruction is specifically used to:
  • the configuration information is sent to the receiving device, so that the receiving device receives and according to the frequency band indication information in the configuration information, the preset unauthorized The preset frequency band of the spectrum cell receives data.
  • the processor executes the instruction specifically for:
  • the configuration information further includes an effective time, where the processor executes the instruction, specifically:
  • the preset unlicensed spectrum cell After acquiring the configuration information, the preset unlicensed spectrum cell is activated, and after the effective time is separated, the preset unlicensed spectrum cell is activated to send to the receiving end device within the valid time. data.
  • a sixth aspect provides a receiving end device, where the receiving end device includes: a bus, and a processor, a memory, and an interface connected to the bus; the memory is configured to store an instruction; the processor executes the instruction Used for:
  • configuration information includes frequency band indication information
  • the executing the instruction by the processor is specifically used to: Decoding the received data, acquiring a preset identifier corresponding to the received data, generating a feedback message, and sending the feedback message to the sending end device, so that the sending end device performs data retransmission according to the feedback message;
  • the feedback message is used to indicate a preset identifier corresponding to the received data.
  • the executing the instruction by the processor is specifically used to:
  • a feedback message is sent.
  • the configuration information further includes a listening rule, where the processor performs the The instructions are specifically for:
  • the configuration information is sent to the sending end device, so that the sending end device receives and monitors according to the listening rule in the configuration information, where the frequency band indication information indicates The data is sent in the preset frequency band.
  • the processor executes the instruction specifically for:
  • the configuration information further includes an effective time, where the processor executes the
  • the preset unlicensed spectrum cell After acquiring the configuration information, the preset unlicensed spectrum cell is activated, and after the effective time is separated, the preset unlicensed spectrum cell is activated, so as to be in the The data is received from the source device within a valid time.
  • the embodiment of the present invention provides a data transmission and transmitting device, a receiving device, and a method, where the transmitting device acquires configuration information, performs configuration, and performs preset frequency bands indicated on the preset unlicensed spectrum cell according to the monitoring rule in the configuration information.
  • the monitoring device sends data after determining that the preset frequency band is idle; the receiving device acquires the same configuration information for configuration, and receives the data sent by the transmitting device after the monitoring in the preset frequency band indicated by the configuration information.
  • FIG. 1 is a schematic structural diagram 1 of a device at a transmitting end according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram 2 of a device at a transmitting end according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of sending a device according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram 1 of a receiving end device according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram 2 of a receiving end device according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a structure of a receiving end device according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of a data transmission method according to an embodiment of the present disclosure
  • FIG. 9 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • FIG. 10 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • Process diagram Four is a schematic structural diagram 1 of
  • FIG. 12 is a schematic structural diagram of a device at a transmitting end according to an embodiment of the present invention
  • FIG. 13 is a schematic structural diagram of a device at a receiving end according to an embodiment of the present invention.
  • An embodiment of the present invention provides a transmitting device 00. As shown in FIG. 1, the transmitting device 00 includes:
  • the first obtaining unit 001 is configured to obtain configuration information, where the configuration information includes: an interception rule, and a frequency band indication information;
  • the configuration information may further include: one or more of a modulation and coding manner used for transmitting the data, a redundancy version used to transmit the data, a transmitted data block size, and an effective time of transmitting the data, and the foregoing enumeration
  • a modulation and coding manner used for transmitting the data e.g., a modulation and coding manner used for transmitting the data
  • a redundancy version used to transmit the data e.g., a transmitted data block size
  • an effective time of transmitting the data e.g., a modulation and coding manner used for transmitting the data
  • the configuration information may further include: one or more of a modulation and coding manner used for transmitting the data, a redundancy version used to transmit the data, a transmitted data block size, and an effective time of transmitting the data, and the foregoing enumeration
  • the content included in the configuration information is merely exemplary, including but not limited to.
  • the first acquiring unit 001 is further configured to obtain a spectrum cell selection message, where the spectrum selection message is used to determine a preset unlicensed spectrum cell to be used when transmitting data.
  • the spectrum cell selection message may specifically include: a preset frequency, a bandwidth value, a cell identifier, and a duplex working mode of the unlicensed spectrum cell, such as: Frequency Division Duplexing (FDD), time division duplex ( Time Division Duplexing (TDD), and other additional information (such as TDD mode may also include uplink and downlink proportioning information); and the information contained in the spectrum cell selection message listed above is merely exemplary, including but not limited thereto.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • TDD mode may also include uplink and downlink proportioning information
  • the sending end device 00 is a base station
  • the receiving end device is a user equipment
  • the obtaining, by the first acquiring unit 001, the configuration information and the spectrum cell selection message may be: Obtaining the configuration information, the spectrum cell selection message, or the configuration information and the spectrum cell selection message, which are set by the external device, are not limited.
  • the transmitting device 00 further includes:
  • the first sending unit 004 is configured to send the configuration information or the spectrum cell selection message to the receiving device after the first acquiring unit 001 obtains the configuration information or the spectrum cell selection message, so that the receiving device receives and according to the spectrum cell selection message. And the frequency band indication information in the configuration information, and receiving data in a preset frequency band of the preset unlicensed spectrum cell.
  • the first sending unit 004 sends the configuration information to the receiving device, which may be implemented by sending a notification message carrying the configuration information.
  • the notification message may be: a system message; or a dedicated Radio Resource Control (RRC) message. , such as RRC connection reconfiguration message; or, Media Access Control (MAC) sublayer message, such as MAC Control Element (Control Element, CE); or, Physical Layer (PHY) message, such as scheduling command, etc.
  • RRC Radio Resource Control
  • MAC Media Access Control
  • CE MAC Control Element
  • PHY Physical Layer
  • the first sending unit 004 may send the foregoing notification message to the receiving end device by using the licensed spectrum cell, where the authorized spectrum cell includes a primary cell (PCell) or a secondary cell (SCell), and is used by The selection of the PCell or the SCell may be based on the default setting of the sending device 00 or may be preset according to the communication protocol, which is not limited herein.
  • the licensed spectrum cell includes a primary cell (PCell) or a secondary cell (SCell)
  • the selection of the PCell or the SCell may be based on the default setting of the sending device 00 or may be preset according to the communication protocol, which is not limited herein.
  • the first sending unit 004 may also send the foregoing notification message to the receiving end device by using any unlicensed spectrum cell that has established a communication connection with the transmitting end device 00 and the receiving end device.
  • the receiving end device is within the signal coverage of a plurality of different base stations, the base station where the preset unlicensed spectrum cell to be used is located is the second base station, and the second base station is not the same as the transmitting end device 00.
  • the sending end device 00 can establish a connection with the second base station through the preset interface, and send the configuration information to the second base station, so that the second base station acquires various configuration parameters used when performing data transmission with the receiving end device.
  • the transmitting end device 00 can use the preset unlicensed spectrum cell and the receiving end device under the second base station to perform data transmission by using the connection relationship with the second base station.
  • the sending end device 00 and the second base station establish a connection through a preset interface, where the message may be transmitted through a communication interface X2 interface or an Xn interface between the base stations (such as an interface between the primary base station and the secondary base station); or The message may be transmitted through the communication interface S1 between the base station and the core network, and then the message is transmitted through the interaction between the core network, which is not limited herein.
  • the sending end device 00 is the user equipment
  • the receiving end device is the base station
  • the first obtaining unit 001 obtains the configuration information or the spectrum cell selection message
  • the first acquiring unit 001 After the base station as the receiving end device acquires the configuration information or the spectrum cell selection message given by the default setting or the external acquisition input, and sends the configuration information to the transmitting device 00, the first acquiring unit 001 receives the base station as the receiving device. Obtain configuration information or spectrum cell selection message.
  • the first obtaining unit 001 may use the licensed spectrum cell, or the unlicensed spectrum cell that has established a communication connection with the transmitting device 00 and the receiving device, as the receiving end, according to the spectrum cell used by the receiving device.
  • the base station of the device receives configuration information or a spectrum cell selection message.
  • the sending device 00 further includes an activation unit 005.
  • the activation unit 005 is configured to activate after acquiring the configuration information by the first obtaining unit 001.
  • the unlicensed spectrum cell is preset, and the preset unlicensed spectrum cell is deactivated after the interval valid time, so that the data sending unit 003 sends data to the receiving end device within the valid time.
  • the activation unit 005 is configured to activate the preset unlicensed spectrum cell after the first obtaining unit 001 obtains the configuration information, and stop transmitting at the base station as the receiving end device. After the data, the preset unlicensed spectrum cell is deactivated, and the sending of data to the receiving end device is terminated.
  • the monitoring unit 002 is configured to monitor, according to the monitoring rule in the configuration information, a preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information.
  • the monitoring rule may include: a listening time, a backoff time, and a power threshold; the frequency band indication information is used to indicate a preset frequency band resource used when transmitting data on the preset unlicensed spectrum cell; and the content included in the foregoing enumeration rule
  • the preset frequency band indicated by the frequency band indication information may be a part of the frequency band resource on the preset unlicensed spectrum cell, or may be all frequency band resources on the preset unlicensed spectrum cell. There is no limit here.
  • the monitoring unit 002 is specifically configured to: after the first acquiring unit 001 obtains configuration information, after the preset unlicensed spectrum cell is activated, the monitoring determines whether the preset frequency band of the preset unlicensed spectrum cell is idle during the monitoring period. If the state is idle, the data is sent to the receiving device through the preset frequency band; or, if it is in the non-idle state, the backoff operation is performed;
  • the operation of the monitoring unit 002 for determining whether the preset frequency band is in an idle state may include: if the power of each signal detected in the preset frequency band monitoring is less than a power threshold, determining that the preset frequency band is an idle state; or, if If the preset frequency band monitor detects that the power of any signal is not less than the power threshold, it determines that the preset frequency band is not idle.
  • the backoff operation includes: when the monitoring unit 002 detects that the preset frequency band is in the non-idle state, according to the backoff time in the monitoring rule, after the interval backoff time, the preset frequency band is monitored again.
  • the backoff time is a waiting time for the monitoring sending unit 002 to monitor the preset frequency band from the time when the monitoring to the preset frequency band is not idle, until the monitoring operation is re-executed;
  • the data sending unit 003 is configured to: when the monitoring unit 002 determines that the preset frequency band is idle, send data to the receiving end device by preset a preset frequency band of the unlicensed spectrum cell.
  • the data sent by the data sending unit 003 to the receiving device may include a preset identifier corresponding to the data.
  • the data sending unit 003 is further configured to add a preset identifier corresponding to the data in each data, so that the receiving device can receive the preset identifier according to the received data.
  • the preset identifier may be a sequence number added to the protocol header of the data, where the sequence number may represent the number of data packets that the sending end device 00 has sent to the receiving end device; or, the preset identifier may also be a protocol header in the data.
  • the added timestamp can be used to indicate the time when the sending device 00 sends the data; the feedback message is used to indicate the preset identifier corresponding to the data that the receiving device has received; and the preset identifiers listed above are only examples.
  • Sexual including but not limited to.
  • the sending end device 00 receives the feedback message sent by the receiving end device, and according to the serial number or timestamp of the received data fed back by the receiving end device, combined with the system preset sending data sub-frame unit time, it may be determined to start sending. After the data, the receiving device has received the data and the unreceived data; the data sending unit 003 retransmits the data not received by the receiving device according to the feedback message.
  • the feedback message sent by the receiving device is only exemplary.
  • the feedback message may also directly indicate to the sending device 00 that the receiving device determines that the data is not received according to the preset identifier analysis. Retransmitted data.
  • the sending end device 00 is a base station, and the receiving end device is a user equipment, and in the process that the sending end device 00 sends data to the receiving end device by using the preset unlicensed spectrum cell, the first acquiring Unit 001 is also used to obtain update information of configuration information;
  • the data sending unit 003 is further configured to: after the first obtaining unit 001 obtains the update information of the configuration information, send the update information of the configuration information to the receiving end device by using the preset unlicensed spectrum cell, and according to the updated configuration information, in the monitoring unit. 002 sends data after subsequent monitoring; so that the receiving device receives the data sent by the sending device 00 according to the updated configuration information.
  • the update information of the configuration information sent by the data sending unit 003 to the receiving device may be implemented by sending control signaling of the configuration information of the bearer configuration information, where the control signaling may include: updating the used preset frequency band, and updating the used modulation and coding mode. , updating the used redundancy version, updating the used data block size; and the content included in the above-mentioned control signaling is merely exemplary, including but not limited to.
  • An embodiment of the present invention provides a sending end device, which acquires configuration information. Configure, and use the preset unlicensed spectrum cell to send data to the receiving device, monitor the preset frequency band according to the monitoring rule in the configuration information, and send data after determining that the preset frequency band is idle, so that the receiving device Receiving data in the preset frequency band after obtaining the same configuration information; further, after receiving the feedback message sent by the receiving device, retransmitting the data that is not received by the receiving device.
  • the problem of data loss during transmission due to the existence of contention and conflict on the unlicensed spectrum is reduced or eliminated, and the data transmission performance based on the unlicensed spectrum cell is improved.
  • An embodiment of the present invention provides a receiving end device 01. As shown in FIG. 4, the receiving end device 01 includes:
  • the second obtaining unit 01 1 is configured to acquire configuration information, where the configuration information includes: frequency band indication information;
  • the configuration information may further include: a monitoring rule used to transmit the data, a modulation and coding mode used to transmit the data, a redundancy version used to transmit the data, a data block size to be transmitted, and an effective time of transmitting the data.
  • a monitoring rule used to transmit the data a modulation and coding mode used to transmit the data
  • a redundancy version used to transmit the data a data block size to be transmitted
  • an effective time of transmitting the data may further include: a monitoring rule used to transmit the data, a modulation and coding mode used to transmit the data, a redundancy version used to transmit the data, a data block size to be transmitted, and an effective time of transmitting the data.
  • the second obtaining unit 01 1 is further configured to obtain a spectrum cell selection message, where the spectrum selection message is used to determine a preset unlicensed spectrum cell to be used when transmitting data.
  • the spectrum cell selection message may specifically include: a frequency of a preset unlicensed spectrum cell, a bandwidth value, a cell identifier, and a duplex working mode used, such as: FDD, TDD, and other additional information (such as TDD mode)
  • a duplex working mode used such as: FDD, TDD, and other additional information (such as TDD mode)
  • the receiving end device 01 is a base station
  • the sending end device is a user equipment
  • the second obtaining unit 01 1 obtains the configuration information and the spectrum cell selection message may be: acquiring configuration information preset by the receiving end device 01.
  • the spectrum cell selection message, or the acquisition of the configuration information and the spectrum cell selection message, which are externally input, are not specifically limited.
  • the configuration information further includes an interception rule, as shown in FIG. 5, the receiving The end device 01 further includes:
  • the second sending unit 013 is configured to send the configuration information or the spectrum cell selection message to the sending end device after the second obtaining unit 01 1 obtains the configuration information or the spectrum cell selection message, so that the sending end device receives and according to the configuration information.
  • the monitoring rule monitors the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information in the spectrum cell selection message and the configuration information, and sends the data.
  • the second sending unit 013 sends the configuration information to the sending device, which may be implemented by sending a notification message carrying the configuration information.
  • the notification message may be: a system message; or an RRC message, such as an RRC connection reconfiguration message; or, MAC Sublayer messages, such as MAC CE; or, PHY messages, such as scheduling commands.
  • RRC message such as an RRC connection reconfiguration message
  • MAC Sublayer messages such as MAC CE
  • PHY messages such as scheduling commands.
  • the forms of the notification messages listed above are merely exemplary, including but not limited to.
  • the second sending unit 013 may send the foregoing notification message to the sending end device by using the authorized spectrum cell, where the authorized spectrum cell includes a PCell or an SCell, and the selection of using the PCell or the SCell may be based on the lack of the receiving end device 01.
  • the national setting can also be preset according to the communication protocol, which is not limited here.
  • the second sending unit 013 may also send the foregoing notification message to the sending end device by using any unlicensed spectrum cell that has established a communication connection with the receiving end device 01 and the transmitting end device.
  • the base station where the preset unlicensed spectrum cell is to be used is the second base station, and the second base station and the receiving end device 01 are not the same.
  • the receiving end device 01 can establish a connection with the second base station through the preset interface, and send the configuration information to the second base station, so that the second base station acquires various configuration parameters used when the data is transmitted by the sending end device;
  • the receiving end device 01 can use the preset unlicensed spectrum cell and the transmitting end device under the second base station to perform data transmission by using the connection relationship with the second base station.
  • the receiving end device 01 and the second base station establish a connection through a preset interface, and may specifically transmit a message through a communication interface X2 interface or an Xn interface between the base stations (such as an interface between the primary base station and the secondary base station); or The message can be transmitted through the communication interface S 1 between the base station and the core network, and then through the interaction between the core networks. Lose, here is not limited.
  • the receiving end device 01 is the user equipment
  • the sending end device is the base station
  • the second obtaining unit 01 1 obtains the configuration information or the spectrum cell selection message may be:
  • the second acquiring unit 01 1 After the base station as the transmitting end device acquires the configuration information or the spectrum cell selection message given by the default setting or the external acquisition input, and sends the configuration information to the receiving device 01, the second acquiring unit 01 1 is used as the base station as the transmitting device. Receive acquisition configuration information or spectrum cell selection message.
  • the second obtaining unit 01 1 may send the unlicensed spectrum cell that has established a communication connection with the receiving end device 01 and the sending end device as the sending, according to the spectrum cell used by the sending end device.
  • the base station of the end device receives the configuration information or the spectrum cell selection message.
  • the receiving end device 01 further includes an activation unit 014.
  • the activation unit 014 is configured to: after acquiring the configuration information by the second obtaining unit 01 1
  • the preset unlicensed spectrum cell is activated, and the preset unlicensed spectrum cell is deactivated after the interval valid time, so that the data receiving unit 012 receives the data sent by the sender device within the valid time.
  • the activation unit 014 is configured to activate the preset unlicensed spectrum cell after the second acquisition unit 01 1 acquires the configuration information, and stop the base station as the transmitting device. After receiving the data, the preset unlicensed spectrum cell is deactivated, and the receiving of data from the transmitting device is terminated.
  • the data receiving unit 012 is configured to receive, by using the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information in the configuration information, the data sent by the sending end device.
  • the data receiving unit 012 is specifically configured to: obtain the configuration information and the spectrum cell selection message in the second obtaining unit 01 1 , and after the preset unlicensed spectrum cell is activated, according to the preset in the spectrum cell selection message and the configuration information
  • the frequency band, in the preset frequency band of the preset unlicensed spectrum cell receives data sent by the sending end device after performing the monitoring judgment according to the monitoring rule.
  • the receiving end device 01 further includes: a feedback unit 015, configured to decode data received by the data receiving unit 012, obtain a preset identifier corresponding to the received data, and generate feedback. The message is sent to the sending device, so that the sending device performs data retransmission according to the feedback message;
  • the preset identifier may be a sequence number added by the sending end device in the protocol header of the data, where the serial number may represent the number of data packets that the sending end device has sent to the receiving end device 01; or the preset identifier may also be the sending end.
  • a timestamp added by the device in the protocol header of the data the timestamp may be used to indicate the time when the base station sending device sends the data; and the preset identifier forms listed above are merely exemplary, including but not limited to.
  • the feedback message is used to indicate a preset identifier corresponding to the received data.
  • the feedback message may be a PHY message, or a MAC layer message; and, the feedback unit 015 may send the feedback message to the sending end device by using a licensed spectrum cell, such as a PCell or a SCell;
  • the unlicensed spectrum cell that has established the communication connection sends the feedback message to the sender device.
  • the message form and transmission mode of the above feedback message are merely exemplary, including but not limited to.
  • the feedback unit 015 may generate a feedback message indicating the received data according to the preset identifier corresponding to the received data.
  • the data subframe may be sent according to the sequence number or the timestamp. Unit time, after determining that the transmitting device starts transmitting data, the data receiving unit 012 has received the data and the unreceived data, and generates a feedback message indicating the data that needs to be retransmitted.
  • the feedback unit 01 5 can decode the data every time a data is received, obtain a preset identifier corresponding to the data, and send a feedback message to the sending device.
  • the feedback unit 015 may, after receiving one or more data in the preset feedback time, decode each data, obtain a preset identifier corresponding to each data, and send a feedback message to the sending end device.
  • the preset feedback time may be equal to the above-mentioned effective time, and may be other system default settings or external input reference values, which are not limited herein.
  • the sending end device receives the feedback message sent by the feedback unit 01 5 Then, according to the feedback message, the data that the receiving end device 01 does not receive is determined, and the unreceived data is retransmitted.
  • An embodiment of the present invention provides a receiving end device, configured to obtain configuration data, and receive data sent by a transmitting end device in a preset frequency band after being monitored according to the same configuration information in a preset frequency band indicated by the configuration information; further, receiving After the data is determined and the data is received, the feedback message is sent to the sending device, so that the sending device retransmits the unreceived data according to the feedback message.
  • the problem of data loss during transmission due to the presence of contention and collision on the unlicensed spectrum is reduced or eliminated, and the data transmission performance based on the unlicensed spectrum cell is improved.
  • An embodiment of the present invention provides a data transmission method. As shown in FIG. 8, the method includes:
  • the sending device obtains configuration information, where the configuration information includes: an interception rule and a frequency band indication information.
  • the monitoring rule includes a monitoring time and a backoff time.
  • the frequency band indication information is used to indicate a preset frequency band of the preset unlicensed spectrum cell used by the transmitting device when transmitting data to the receiving device.
  • the sending end device monitors, according to the monitoring rule in the configuration information, a preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information.
  • the monitoring of the preset frequency band includes determining whether the preset frequency band is in an idle state during the listening time.
  • the monitoring rule further includes a power threshold, and if the power of each signal detected in the preset frequency band monitoring is less than The power threshold determines whether the preset frequency band is in an idle state; or, if the power of any signal detected in the preset frequency band is not less than the power threshold, it is determined that the preset frequency band is in a non-idle state.
  • the sending end device sends data to the receiving end device by using a preset frequency band of the preset unlicensed spectrum cell.
  • the preset frequency band is re-observed and judged.
  • the sending device after sending data to the receiving device, the sending device receives a feedback message sent by the receiving device; the feedback message is used to indicate receiving The preset identifier corresponding to the data received by the end device; and according to the feedback message, determining data not received by the receiving device, and retransmitting the unreceived data.
  • the foregoing sending device may be a base station or a user equipment
  • the receiving end device may be a user equipment and a base station
  • the specific selection is determined according to the actual application scenario, which is not limited herein.
  • An embodiment of the present invention provides a data transmission method, where configuration is performed by a sending end device to obtain configuration information, and before the data is sent to the receiving end device by using the preset unlicensed spectrum cell, the indication is pre-predicted according to the monitoring rule in the configuration information.
  • Set the frequency band for monitoring and send data after determining that the preset frequency band is idle, so that the receiving end device receives data in the preset frequency band after acquiring the same configuration information for configuration.
  • An embodiment of the present invention provides a data transmission method. As shown in FIG. 9, the method includes:
  • the receiving device obtains configuration information, where the configuration information includes the frequency band indication information.
  • the frequency band indication information is used to indicate a preset frequency band of the preset unlicensed spectrum cell used by the receiving end device to receive data sent by the sending end device;
  • the receiving end device receives the data sent by the sending end device in a preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information in the configuration information.
  • the receiving device decodes the data, obtains a preset identifier corresponding to the received data, generates a feedback message, and sends the message to the sending device.
  • the sending device For the sender device to perform data retransmission according to the feedback message, where the feedback message is used to indicate the preset identifier corresponding to the received data.
  • the foregoing sending device may be a base station or a user equipment
  • the receiving end device may be a user equipment and a base station
  • the specific selection is determined according to the actual application scenario, which is not limited herein.
  • An embodiment of the present invention provides a data transmission method, where configuration is performed by a receiving device to obtain configuration information, and a device root is received at a preset frequency band indicated by the configuration information.
  • the embodiment of the present invention further provides a data transmission method.
  • the sending device is a base station
  • the receiving device is a user device.
  • the method includes:
  • the base station sends a spectrum cell selection message to the user equipment.
  • the spectrum cell selection message is used to specify a preset unlicensed spectrum cell to be used for data transmission between the base station and the user equipment, and the spectrum cell selection message may be set by default by the system, or may be obtained by external input.
  • the base station selects, according to the spectrum cell selection message, a preset unlicensed spectrum cell to be used for sending data.
  • the user equipment selects a preset unlicensed spectrum cell to be used according to the spectrum cell selection message. .
  • the spectrum cell selection message may specifically include: a frequency of the target unlicensed spectrum cell, a bandwidth value, a cell identifier, and a duplex working mode used, such as: FDD, TDD, and other additional information (such as TDD mode)
  • a duplex working mode used such as: FDD, TDD, and other additional information (such as TDD mode)
  • the base station acquires configuration information, and sends configuration information to the user equipment.
  • the configuration information obtained by the base station includes: an interception rule and a frequency band indication information.
  • the configuration information may further include:
  • the configuration information includes, but is not limited to, the configuration information may be set by default in the system, or may be obtained by external input, and is not limited.
  • the base station sends configuration information to the user equipment, and after receiving the configuration information, the user equipment may determine, according to the frequency band indication information in the configuration information, a preset frequency band used when receiving data sent by the base station.
  • the base station sends the configuration information to the user equipment, which may be implemented by sending a notification message that carries the configuration information.
  • the notification message may be: a system message; or,
  • RRC message such as RRC connection reconfiguration message
  • MAC sublayer message such as MAC CE
  • PHY message such as scheduling command
  • the base station may send the foregoing notification message to the user equipment by using the authorized spectrum cell, where the authorized spectrum cell includes a PCell or an SCell, and the selection of using the PCell or the SCell may be according to a default setting of the system, or may be according to the communication. Pre-set in the agreement, not limited here.
  • the base station may also send the notification message to the user equipment through any unlicensed spectrum cell that has established a communication connection with the base station and the user equipment.
  • the base station where the preset unlicensed spectrum cell is to be used is the second base station, and the base station that sends the configuration information to the user equipment is the first.
  • the base station, and the first base station and the second base station are not the same base station, the first base station may establish a connection with the second base station, and send the configuration information to the second base station, so that the second base station acquires data transmission with the user equipment.
  • the first base station can use the preset unlicensed spectrum cell under the second base station to perform data transmission with the user equipment by using a connection relationship with the second base station.
  • the first base station and the second base station may establish a connection through a preset interface, where the message may be transmitted through a communication interface X2 interface or an Xn interface (such as an interface between the primary base station and the secondary base station); or The message may be transmitted through the communication interface S1 between the base station and the core network, and then the message is transmitted through the interaction between the core network, which is not limited herein.
  • the user equipment activates the preset unlicensed spectrum cell.
  • the user equipment activates the preset unlicensed spectrum cell.
  • the user equipment activates the preset unlicensed spectrum cell after acquiring the configuration information. And after the interval valid time, the preset unlicensed spectrum cell is activated to receive the data sent by the base station within the effective time.
  • the user equipment activates the preset unlicensed spectrum cell after acquiring the configuration information, and after the base station instructs to stop receiving the data, deactivates the preset unlicensed spectrum cell. Termination of receiving data from the base station.
  • the base station monitors a preset frequency band of the preset unlicensed spectrum cell.
  • the base station monitors the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information according to the interception rule in the configuration information.
  • the monitoring rule may include: a listening time, a backoff time, and a power threshold; the frequency band indication information is used to indicate a preset frequency band resource used when transmitting data on the preset unlicensed spectrum cell; and the content included in the foregoing enumeration rule
  • the preset frequency band indicated by the frequency band indication information may be a part of the frequency band resource on the preset unlicensed spectrum cell, or may be all frequency band resources on the preset unlicensed spectrum cell. There is no limit here.
  • the base station monitoring the preset frequency band includes:
  • the base station monitors whether the preset frequency band of the preset unlicensed spectrum cell is idle in the listening time according to the monitoring rule in the configuration information;
  • the frequency band is sent to the user equipment, and S 305 is executed; or, if it is in the non-idle state, the backoff operation is performed; wherein, the operation of the base station determining whether the preset frequency band is in an idle state may include: if the detected in the preset frequency band is detected If the power of each signal is less than the power threshold, it is determined that the preset frequency band is in an idle state; or, if the power of any signal detected in the preset frequency band is not less than the power threshold, it is determined that the preset frequency band is in a non-idle state.
  • the backoff operation includes: when the base station detects that the preset frequency band is in the non-idle state, according to the backoff time in the interception rule, after the interval backoff time, the base station re-checks the preset frequency band, that is, re-executes S304.
  • the backoff time is a waiting time for the base station to monitor the preset frequency band from the time when the base station is monitored to be non-idle, to the time when the monitoring operation is re-executed;
  • the base station sends data to the user equipment. Specifically, when the base station monitors and determines that the preset frequency band is idle, the data is sent to the user equipment by using the preset frequency band of the unlicensed spectrum cell; and the preset information of the preset unlicensed spectrum cell indicated by the frequency band indication information of the user equipment in the configuration information Set the frequency band to receive the data sent by the base station.
  • the user equipment acquires the spectrum cell selection message to determine the preset unlicensed spectrum, and activates the preset unlicensed spectrum cell after acquiring the configuration information.
  • the base station presets the unlicensed spectrum cell when the monitoring determines that the preset frequency band is idle.
  • the frequency band sends data to the user equipment; the user equipment determines the preset frequency band according to the frequency band indication information in the configuration information, and receives the data sent by the base station after the monitoring in the preset frequency band of the preset unlicensed spectrum cell.
  • the data sent by the base station to the user equipment may include a preset identifier corresponding to the data.
  • the base station adds a preset identifier corresponding to the data to each data before sending the data to the user equipment.
  • the preset identifier may be a sequence number added to the protocol header of the data, where the sequence number may represent the number of data packets that the base station has sent to the user equipment; or, the preset identifier may also be a timestamp added to the protocol header of the data.
  • the timestamp may represent a time when the base station sends the data; and the preset identifier forms listed above are merely exemplary, including but not limited thereto.
  • the user equipment sends a feedback message to the base station.
  • the user equipment decodes the received data, obtains a preset identifier corresponding to the received data, generates a feedback message, and sends the feedback message to the base station, so that the base station performs data retransmission according to the feedback message.
  • the feedback message is used to indicate a preset identifier corresponding to the received data.
  • the feedback message may be a PHY message, or a MAC layer message; and, the user equipment may send the feedback message to the base station by using a licensed spectrum cell, such as a PCell or a SCell; or may be unauthorized by establishing a communication connection with the base station and the user equipment.
  • the spectrum cell sends the feedback message to the base station.
  • the message form and transmission mode of the above feedback message are merely exemplary, including but not limited to.
  • the user equipment may preset the identifier according to the received data. Generating a feedback message indicating the received data; or, according to the above serial number or timestamp, combined with the system preset transmission data sub-frame unit time, determining that the data received by the base station after receiving the data is not received. The incoming data generates a feedback message indicating the data that needs to be retransmitted.
  • the user equipment may decode the data, obtain a preset identifier corresponding to the data, and send a feedback message to the base station, or the user equipment may receive the preset feedback time. After one or more data is decoded, each data is decoded, a preset identifier corresponding to each data is obtained, and a feedback message is sent to the base station.
  • the default feedback time may be equal to the above-mentioned effective time, and may be other system default settings or external input reference values, which are not limited herein.
  • the base station performs data retransmission according to the feedback message.
  • the base station receives the feedback message sent by the user equipment, and according to the serial number or timestamp of the received data fed back by the user equipment, and the system preset to send the data sub-frame unit time, the base station may determine that the user equipment starts to send data. The received data and the unreceived data; further retransmitting the data not received by the indicated user equipment according to the feedback message.
  • the indicated retransmitted data may be directly sent to the user equipment according to the feedback message.
  • the base station may obtain the update information of the configuration information in the process of sending the data to the user equipment by using the preset unlicensed spectrum cell, and after obtaining the update information of the configuration information, the user is preset to the unlicensed spectrum cell to the user.
  • the device performs the sending; the subsequent monitoring and sending data is performed according to the updated configuration information; so that the user equipment receives the data sent by the base station according to the updated configuration information.
  • the update information that the base station sends the configuration information to the user equipment may be implemented by sending control signaling that carries the configuration information update information, where the control signaling may include: updating the used preset frequency band, updating the used modulation and coding mode, and updating the used information.
  • the redundancy version, the data block size used for the update; and the content contained in the above-mentioned control signaling is merely exemplary, including but not limited to.
  • the sending device is a user equipment
  • the receiving device is a base station.
  • the method includes:
  • the base station sends a spectrum cell selection message to the user equipment.
  • the spectrum cell selection message is used to specify a preset unlicensed spectrum cell to be used for data transmission between the base station and the user equipment, and the spectrum cell selection message may be set by default by the system, or may be obtained by external input.
  • the user equipment selects, according to the spectrum cell selection message, a preset unlicensed spectrum cell to be used for sending data; and the base station selects, according to the spectrum cell selection message, a preset unlicensed spectrum cell to be used for receiving data. .
  • the spectrum cell selection message may specifically include: a frequency of the target unlicensed spectrum cell, a bandwidth value, a cell identifier, and a duplex working mode used, such as: FDD, TDD, and other additional information (such as TDD mode)
  • a duplex working mode used such as: FDD, TDD, and other additional information (such as TDD mode)
  • the base station acquires configuration information, and sends configuration information to the user equipment.
  • the configuration information obtained by the base station includes: an interception rule and a frequency band indication information.
  • the configuration information may further include:
  • the configuration information includes, but is not limited to, the configuration information may be set by default in the system, or may be obtained by external input, and is not limited.
  • the base station sends configuration information to the user equipment, and after receiving the configuration information, the user equipment may determine, according to the frequency band indication information in the configuration information, a preset frequency band used when transmitting data to the base station.
  • the base station sends the configuration information to the user equipment, which may be implemented by sending a notification message that carries the configuration information.
  • the notification message may be: a system message; or an RRC message, such as an RRC connection reconfiguration message; or, a MAC sublayer Messages, such as MAC CE; or, PHY messages, such as scheduling commands.
  • RRC message such as an RRC connection reconfiguration message
  • MAC sublayer Messages such as MAC CE
  • PHY messages such as scheduling commands.
  • the formula is merely exemplary, including but not limited to.
  • the base station may send the foregoing notification message to the user equipment by using the authorized spectrum cell, where the authorized spectrum cell includes a PCell or an SCell, and the selection of using the PCell or the SCell may be according to a default setting of the system, or may be according to the communication. Pre-set in the agreement, not limited here.
  • the base station may also send the notification message to the user equipment through any unlicensed spectrum cell that has established a communication connection with the base station and the user equipment.
  • the base station where the preset unlicensed spectrum cell is to be used is the second base station, and the base station that sends the configuration information to the user equipment is the first.
  • the base station, and the first base station and the second base station are not the same base station, the first base station may establish a connection with the second base station, and send the configuration information to the second base station, so that the second base station acquires data transmission with the user equipment.
  • the first base station can use the preset unlicensed spectrum cell under the second base station to perform data transmission with the user equipment by using a connection relationship with the second base station.
  • the first base station and the second base station may establish a connection through a preset interface, where the message may be transmitted through a communication interface X2 interface or an Xn interface (such as an interface between the primary base station and the secondary base station); or The message may be transmitted through the communication interface S1 between the base station and the core network, and then the message is transmitted through the interaction between the core network, which is not limited herein.
  • the user equipment activates the preset unlicensed spectrum cell.
  • the user equipment activates the preset unlicensed spectrum cell.
  • the user equipment activates the preset unlicensed spectrum cell after acquiring the configuration information, and activates the preset unlicensed spectrum after the interval valid time.
  • the cell in order to send data to the base station within the effective time.
  • the user equipment activates the preset unlicensed spectrum cell after acquiring the configuration information, and stops at the base station. After the data is sent, the preset unlicensed spectrum cell is deactivated, and the sending of data to the base station is terminated.
  • the user equipment monitors a preset frequency band of the preset unlicensed spectrum cell. Specifically, the base station monitors the preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information according to the interception rule in the configuration information.
  • the monitoring rule may include: a listening time, a backoff time, and a power threshold; the frequency band indication information is used to indicate a preset frequency band resource used when transmitting data on the preset unlicensed spectrum cell; and the content included in the foregoing enumeration rule
  • the preset frequency band indicated by the frequency band indication information may be a part of the frequency band resource on the preset unlicensed spectrum cell, or may be all frequency band resources on the preset unlicensed spectrum cell. There is no limit here.
  • the user equipment listening to the preset frequency band includes:
  • the user equipment monitors whether the preset frequency band of the preset unlicensed spectrum cell is idle in the listening time according to the monitoring rule in the configuration information;
  • the frequency band sends data to the user equipment, and executes S405; or, if it is in a non-idle state, performs a backoff operation;
  • the operation of the user equipment to determine whether the preset frequency band is in an idle state may include: if the power of each signal detected in the preset frequency band monitoring is less than a power threshold, determining that the preset frequency band is an idle state; or, if If the frequency band monitor detects that the power of any signal is not less than the power threshold, it determines that the preset frequency band is not idle.
  • the backoff operation includes: when the user equipment monitors that the preset frequency band is in the non-idle state, according to the backoff time in the monitoring rule, after the interval backoff time, the preset frequency band is re-observed and judged, that is, S404 is re-executed.
  • the backoff time is a waiting time for the user equipment to monitor the preset frequency band from the time when the user equipment monitors to the non-idle state of the preset frequency band, and then re-executes the monitoring operation;
  • the user equipment sends data to the base station.
  • the data is sent to the base station by using a preset frequency band of the unlicensed spectrum cell; and the base station presets the preset unlicensed spectrum cell indicated by the frequency band indication information in the configuration information.
  • the frequency band receives the data sent by the user equipment. For example, the user equipment acquires the spectrum cell selection message to determine the preset unlicensed spectrum, activates the preset unlicensed spectrum cell after acquiring the configuration information, and determines the unlicensed spectrum cell when the preset frequency band is idle according to the configuration information.
  • the preset frequency band sends data to the base station; the base station determines the preset frequency band according to the frequency band indication information in the configuration information, and receives the data sent by the user equipment after the monitoring in the preset frequency band of the preset unlicensed spectrum cell.
  • the data sent by the user equipment to the base station may include a preset identifier corresponding to the data.
  • the user equipment adds a preset identifier corresponding to the data to each data before sending the data to the base station.
  • the preset identifier may be a sequence number added to the protocol header of the data, where the sequence number may represent the number of data packets that the user equipment has sent to the base station; or the preset identifier may also be a timestamp added to the protocol header of the data.
  • the timestamp can represent the time when the user equipment sends the data; and the preset identifier forms listed above are merely exemplary, including but not limited to.
  • the base station sends a feedback message to the user equipment.
  • the base station decodes the received data, obtains a preset identifier corresponding to the received data, generates a feedback message, and sends the feedback message to the user equipment, so that the user equipment performs data retransmission according to the feedback message;
  • the feedback message is used to indicate a preset identifier corresponding to the received data.
  • the feedback message may be a PHY message, or a MAC layer message; and, the base station may send the feedback message to the base station by using a licensed spectrum cell, such as a PCell or a SCell; or an unlicensed spectrum that has established a communication connection with the base station and the user equipment.
  • the cell sends the feedback message to the base station.
  • the message form and transmission mode of the above feedback message are merely exemplary, including but not limited to.
  • the base station may generate a feedback message indicating the received data according to the preset identifier corresponding to the received data.
  • the base station may send the data subframe unit time according to the sequence number or the timestamp. Determining, after the user equipment starts to send data, the data that has been received by itself and the unreceived data, generating a feedback message indicating the data that needs to be retransmitted.
  • the base station may decode the data every time a data is received, obtain a preset identifier corresponding to the data, and send a feedback message to the user equipment; or, the base station may receive the preset feedback time.
  • each data is decoded, a preset identifier corresponding to each data is obtained, and a feedback message is sent to the user equipment.
  • the default feedback time may be equal to the above-mentioned effective time, and may be other system default settings or external input reference values, which are not limited herein.
  • the user equipment performs data retransmission according to the feedback message.
  • the user equipment receives the feedback message sent by the base station, and according to the sequence number or timestamp of the received data fed back by the base station, and the system presets the data sub-frame unit time, it may be determined that the base station has received after starting to send data.
  • the received data and the unreceived data further retransmitting the data not received by the indicated base station according to the feedback message.
  • the indicated retransmitted data may be directly sent to the base station according to the feedback message.
  • the embodiment of the present invention provides a data transmission transmitting end device and a receiving end device, where the transmitting end device acquires configuration information and performs configuration, and monitors a preset frequency band indicated on the preset unlicensed spectrum cell according to the monitoring rule in the configuration information.
  • the data is sent after determining that the preset frequency band is idle; the receiving device acquires the same configuration information for configuration, and receives the data sent by the sending end device after the monitoring in the preset frequency band indicated by the configuration information.
  • An embodiment of the present invention provides a transmitting device 02. As shown in FIG. 12, the transmitting device 02 includes:
  • bus 021 a bus 021, and a processor 022, a memory 023, and an interface 024 connected to the bus 021, wherein the interface 024 is used to implement connection communication between the nodes;
  • the memory 023 is for storing instructions, and the processor 022 executes the instructions specifically for obtaining configuration information.
  • the configuration information includes: an interception rule and a frequency band indication information.
  • the configuration information may further include: one or more of a modulation and coding manner used for transmitting the data, a redundancy version used to transmit the data, a transmitted data block size, and an effective time of transmitting the data, and the foregoing enumeration
  • the content included in the configuration information is merely exemplary, including but not limited to.
  • the processor 022 executes the instruction, and is further configured to monitor, according to the monitoring rule in the configuration information, a preset frequency band of the preset unlicensed spectrum cell indicated by the frequency band indication information.
  • the processor 022 executes the instruction, and is configured to send data to the receiving end device by using a preset frequency band of the preset unlicensed spectrum cell when determining that the preset frequency band is idle.
  • the interception rule includes: a listening time and a backoff time
  • the processor 022 executing the instruction may be specifically used to:
  • the monitoring determines that the preset frequency band of the preset unlicensed spectrum cell is in an idle state during the listening period, sending data to the receiving end device through the preset frequency band;
  • the preset frequency band is monitored again.
  • the interception rule further includes a power threshold
  • the processor 022 executes the instruction, which may be specifically used to:
  • the preset frequency band is not idle.
  • the foregoing data includes a preset identifier corresponding to the data.
  • the processor 022 may be configured to add a preset identifier corresponding to the data in each data before sending the data to the receiving device.
  • the preset identifier may be a protocol header in the data.
  • the added serial number, the serial number can represent the number of data packets that have been sent to the receiving device; or the preset identifier can also be a timestamp added to the protocol header of the data, and the timestamp can represent the time when the data is sent;
  • the preset identification forms listed above are merely exemplary, including but not limited to.
  • the processor 022 executing the instruction may be specifically used to:
  • the data that the receiving device does not receive is determined, and the unreceived data is retransmitted.
  • the processor 022 may perform the instruction specifically for:
  • the configuration information is sent to the receiving device, so that the receiving device receives and receives the data in the preset frequency band of the preset unlicensed spectrum cell according to the frequency band indication information in the configuration information.
  • the processor 022 executes the instruction, which may be specifically used to:
  • the configuration information is sent to the receiving end device by the authorized spectrum cell; or the configuration information is sent to the receiving end device by the unlicensed spectrum cell that has established a communication connection with the receiving end device.
  • the processor 022 executing the instruction may be specifically used to:
  • the configuration information further includes an effective time
  • the processor 022 executing the instruction may be specifically used to:
  • the preset unlicensed spectrum cell After obtaining the configuration information, the preset unlicensed spectrum cell is activated, and the preset unlicensed spectrum cell is activated after the interval valid time, so as to send data to the receiving device in a valid time.
  • An embodiment of the present invention provides a sending end device, which is configured by acquiring configuration information, and before transmitting data to a receiving end device by using a preset unlicensed spectrum cell, performing the preset frequency band according to the monitoring rule in the configuration information.
  • Monitoring after determining that the preset frequency band is idle, transmitting data, so that the receiving device receives data in the preset frequency band after acquiring the same configuration information; further, receiving the receiving device After the feedback message is sent, the data that is not received by the receiving device is retransmitted. In this way, the problem of data loss during transmission due to the existence of contention and conflict on the unlicensed spectrum is reduced or eliminated, and the data transmission performance based on the unlicensed spectrum cell is improved.
  • the embodiment of the present invention provides a receiving end device 03. As shown in FIG. 13, the receiving end device 03 includes:
  • Bus 03 1 and a processor 032, a memory 033, and an interface 034 connected to the bus 03 1 , wherein the interface 034 is used to implement connection communication between the nodes;
  • the memory 033 is for storing instructions, and the processor 032 executes the instructions specifically for obtaining configuration information.
  • the configuration information includes frequency band indication information.
  • the configuration information may further include: a monitoring rule used to transmit the data, a modulation and coding mode used to transmit the data, a redundancy version used to transmit the data, a data block size to be transmitted, and an effective time of transmitting the data.
  • a monitoring rule used to transmit the data a modulation and coding mode used to transmit the data
  • a redundancy version used to transmit the data a data block size to be transmitted
  • an effective time of transmitting the data may further include: a monitoring rule used to transmit the data, a modulation and coding mode used to transmit the data, a redundancy version used to transmit the data, a data block size to be transmitted, and an effective time of transmitting the data.
  • the processor 032 executes the instruction, and is used to receive data sent by the sender device in a preset frequency band of the preset unlicensed spectrum cell indicated by the band indication information in the configuration information.
  • the processor 032 executes the instruction, which may be specifically used to:
  • Decoding the received data acquiring a preset identifier corresponding to the received data, generating a feedback message, and sending the feedback message to the sending device, so that the sending end device performs data retransmission according to the feedback message; and the feedback message is used to indicate that the received message is received.
  • the preset identifier corresponding to the data is used to indicate that the received message is received.
  • the processor 032 executes the instruction, which may be specifically used to:
  • the preset feedback time may be equal to the above-mentioned effective time, or may be other system default settings or external input reference values, which are not limited herein.
  • the configuration information further includes a listening rule, and the processor 032 executes the instruction, which can be specifically used for:
  • the configuration information is sent to the sending device, so that the sending device receives and monitors according to the monitoring rule in the configuration information, and sends data in the preset frequency band indicated by the frequency band indication information.
  • the processor 032 executes the instruction, which may be specifically used to:
  • the configuration information is sent to the sending end device by the authorized spectrum cell; or the configuration information is sent to the sending end device by the unlicensed spectrum cell that has established a communication connection with the transmitting end device.
  • the processor 032 may perform the instruction specifically for:
  • the configuration information further includes an effective time
  • the processor 032 executing the instruction may be specifically used to:
  • the preset unlicensed spectrum cell After obtaining the configuration information, the preset unlicensed spectrum cell is activated, and the preset unlicensed spectrum cell is activated after the interval valid time, so as to receive data from the sending device in the valid time.
  • An embodiment of the present invention provides a receiving end device, configured to obtain configuration data, and receive data sent by a transmitting end device in a preset frequency band after being monitored according to the same configuration information in a preset frequency band indicated by the configuration information; further, receiving After the data is determined and the data is received, the feedback message is sent to the sending device, so that the sending device retransmits the unreceived data according to the feedback message.
  • the problem of data loss during transmission due to the presence of contention and collision on the unlicensed spectrum is reduced or eliminated, and the data transmission performance based on the unlicensed spectrum cell is improved.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included 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 hardware plus software functional units.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本发明的实施例提供一种数据传输发射端设备、接收端设备和方法,涉及通信技术领域,提供一种基于非授权频谱的数据传输方式,减小或消除由于非授权频谱上存在竞争和冲突导致数据传输性能低的问题。其方法为:发射端设备获取配置信息,根据配置信息中的监听规则对预设非授权频谱小区上指示的预设频段进行监听,在判断确定预设频段空闲后发送数据;接收端获取相同的配置信息,在配置信息指示的预设频段接收发送端在监听后发送的数据。本发明的实施例用于实现非授权频谱上的数据数据传输及反馈。

Description

一种数据传输发射端设备、 接收端设备和方法 技术领域
本发明涉及通信技术领域,尤其涉及一种数据传输发送端设备、 接收端设备和方法。
背景技术
频谱是无线通信的基础。 根据联邦通讯委员 会 ( Federal Communications Commission , FCC ) 最新发布的国际频谱白皮书, 非授权 ( Unlicensed ) 频谱资源要大于授权频谱资源。 目前, 非授权 频谱上使用的主要技术是无线保真 ( Wireless Fidelity , WiFi ) , 但是 WiFi在移动性、 安全性、 服务质量 ( Quality of Service , QoS )、 以 及同时处理多用户调度方面存在缺陷, 因此,将长期演进( Long-term Evolution , LTE ) 设备应用在非授权频谱, 不仅可以有效利用非授 权频谱资源, 还可以提供更为有效的无线接入、 满足日益增长的移 动宽带服务的需求。
目前, LTE 基站设备对非授权频谱的利用主要通过将非授权频 谱作为 LTE用户设备 ( User Equipment , UE ) 的辅小区 ( Secondary Cell , Scell ) 配置给 UE , 这样 LTE 基站就可以利用非授权频谱与 UE进行数据通信。
但是, 由于非授权频谱上会同时存在 LTE 基站设备以及 WiFi 设备, 对非授权频谱资源的利用可能存在竟争和冲突, 导致传输过 程中数据丟失, 数据传输性能低, 降低用户体验。
发明内容
本发明的实施例提供一种数据传输发射端设备、 接收端设备和 方法, 基于非授权频谱小区 LTE的数据传输, 通过在发送数据之前 对非授权频谱小区进行监听, 并在频段资源空闲时发送数据, 减小 或消除由于非授权频谱上存在竟争和冲突导致传输过程中数据丟失 的问题, 提高基于非授权频谱小区的数据传输性能。 为达到上述目的, 本发明的实施例采用如下技术方案: 第一方面, 提供一种发送端设备, 所述发送端设备包括: 第一获取单元, 用于获取配置信息, 所述配置信息包括: 监听 规则、 频段指示信息;
监听单元, 用于根据所述配置信息中的所述监听规则, 对所述 频段指示信息指示的预设非授权频谱小区的预设频段进行监听; 数据发送单元,用于当所述监听单元确定所述预设频段空闲时, 通过所述预设非授权频谱小区的预设频段向接收端设备发送数据。
结合第一方面, 在第一种可能的实现方式中, 所述监听规则包 括: 监听时间、 退避时间;
所述监听单元具体用于: 若监听确定所述预设非授权频谱小区 的预设频段在所述监听时间内为空闲状态, 则通过所述预设频段向 接收端设备发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间 隔所述退避时间后, 重新对所述预设频段进行监听判断。
结合第一方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述监听规则还包括功率门限;
所述监听单元还用于: 若在所述预设频段监听检测到的每一个 信号的功率都小于所述功率门限, 则确定所述预设频段为空闲状态; 或,
若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
结合第一方面, 在第三种可能的实现方式中, 所述数据包括与 所述数据对应的预设标识。
结合第一方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述数据发送单元还具体用于:
接收所述接收端设备发送的反馈消息; 所述反馈消息用于指示 所述接收端设备已接收到的数据对应的预设标识;
根据所述反馈消息, 确定所述接收端设备未接收到的数据, 并 对所述未接收到的数据进行重传。
结合第一方面, 在第五种可能的实现方式中, 当所述发送端设 备为基站、 所述接收端设备为用户设备时, 所述发送端设备还包括: 第一发送单元,用于在所述第一获取单元获取所述配置信息后, 向所述接收端设备发送所述配置信息, 以便所述接收端设备接收并 根据所述配置信息中的所述频段指示信息, 在指示的所述预设非授 权频谱小区的预设频段接收数据。
结合第一方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述第一发送单元具体用于:
通过授权频谱小区向所述接收端设备发送所述配置信息; 或, 通过与所述接收端设备已建立通信连接的非授权频谱小区向所述接 收端设备发送所述配置信息。
结合第一方面, 在第七种可能的实现方式中, 当所述发送端设 备为用户设备, 所述接收端设备为基站时, 所述第一获取单元具体 用于从所述接收端设备获取所述配置信息。
结合第一方面的第七种可能的实现方式, 在第八种可能的实现 方式中, 所述配置信息还包括有效时间, 所述发送端设备还包括: 激活单元, 用于在第一获取单元获取所述配置信息后, 激活所 述预设非授权频谱小区, 并在间隔所述有效时间后去激活所述预设 非授权频谱小区, 以便所述数据发送单元在所述有效时间内向所述 接收端设备发送数据。
第二方面, 提供一种接收端设备, 所述接收端设备包括: 第二获取单元, 用于获取配置信息, 所述配置信息包括频段指 示信息;
数据接收单元, 用于在所述配置信息中所述频段指示信息指示 的预设非授权频谱小区的预设频段, 接收发送端设备发送的数据。
结合第二方面, 在第一种可能的实现方式中, 所述接收端设备 还包括:
反馈单元, 用于对数据接收单元接收到的数据进行解码, 获取 与已接收到的数据对应的预设标识, 生成反馈消息并向所述发送端 设备发送, 以便所述发送端设备根据所述反馈消息进行数据重传; 所述反馈消息用于指示所述已接收到的数据对应的预设标识。
结合第二方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述反馈单元还用于:
每接收到一个所述数据, 发送一个所述反馈消息; 或,
在预设反馈时间内接收到一个或多个所述数据后, 发送一个所 述反馈消息。
结合第二方面, 在第三种可能的实现方式中, 当所述接收端设 备为基站、 所述发送端设备为用户设备时, 所述配置信息还包括监 听规则, 所述接收端设备还包括:
第二发送单元,用于在所述第二获取单元获取所述配置信息后, 向所述发送端设备发送所述配置信息, 以便所述发送端设备接收并 根据所述配置信息中的所述监听规则进行监听, 在所述频段指示信 息指示的预设频段发送数据。
结合第二方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述第二发送单元具体用于:
通过授权频谱小区向所述发送端设备发送所述配置信息; 或, 通过与所述发送端设备已建立通信连接的非授权频谱小区向所述发 送端设备发送所述配置信息。
结合第二方面, 在第五种可能的实现方式中, 当所述接收端设 备为用户设备、 所述发送端设备为基站时, 所述第二获取单元具体 用于从所述发送端设备获取所述配置信息。
结合第二方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述配置信息还包括有效时间, 所述接收端设备还包括: 激活单元, 用于在第二获取单元获取所述配置信息后, 激活所 述预设非授权频谱小区, 并在间隔所述有效时间后去激活所述预设 非授权频谱小区, 以便所述数据接收单元在所述有效时间内从所述 发送端设备接收数据。 第三方面, 提供一种数据传输方法, 所述方法包括: 发送端设备获取配置信息, 所述配置信息包括: 监听规则、 频 段指示信息;
所述发送端设备根据所述配置信息中的所述监听规则, 对所述 频段指示信息指示的预设非授权频谱小区的预设频段进行监听; 当确定所述预设频段空闲时, 所述发送端设备通过所述预设非 授权频谱小区的预设频段向接收端设备发送数据。
结合第三方面, 在第一种可能的实现方式中, 其特征在于, 所述监听规则包括: 监听时间、 退避时间; 所述发送端设备根 据所述配置信息中的所述监听规则, 对所述频段指示信息指示的预 设非授权频谱小区的预设频段进行监听包括:
所述发送端设备若监听确定所述预设非授权频谱小区的预设频 段在所述监听时间内为空闲状态, 则通过所述预设频段向接收端设 备发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间 隔所述退避时间后, 重新对所述预设频段进行监听判断。
结合第三方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述监听规则还包括功率门限, 所述方法还包括:
若在所述预设频段监听检测到的每一个信号的功率都小于所述 功率门限, 则确定所述预设频段为空闲状态; 或,
若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
结合第三方面, 在第三种可能的实现方式中, 所述数据包括与 所述数据对应的预设标识。
结合第三方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述方法还包括:
所述发送端设备接收所述接收端设备发送的反馈消息; 所述反 馈消息用于指示所述接收端设备已接收到的数据对应的预设标识; 所述发送端设备根据所述反馈消息, 确定所述接收端设备未接 收到的数据, 并对所述未接收到的数据进行重传。
结合第三方面, 在第五种可能的实现方式中, 当所述发送端设 备为基站、 所述接收端设备为用户设备时, 在所述发送端设备获取 配置信息之后, 所述方法还包括:
所述发送端设备向所述接收端设备发送所述配置信息, 以便所 述接收端设备接收并根据所述配置信息中的所述频段指示信息, 在 指示的所述预设非授权频谱小区的预设频段接收数据。
结合第三方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述发送端设备向所述接收端设备发送所述配置信息包括: 所述发送端设备通过授权频谱小区向所述接收端设备发送所述 配置信息; 或, 通过与所述接收端设备已建立通信连接的非授权频 谱小区向所述接收端设备发送所述配置信息。
结合第三方面, 在第七种可能的实现方式中, 当所述发送端设 备为用户设备, 所述接收端设备为基站时, 所述发送端设备获取配 置信息包括:
所述发送端设备从所述接收端设备获取所述配置信息。
结合第三方面的第七种可能的实现方式, 在第八种可能的实现 方式中, 所述配置信息还包括有效时间, 所述方法还包括:
所述发送端设备在获取所述配置信息后, 激活所述预设非授权 频谱小区, 并在间隔所述有效时间后去激活所述预设非授权频谱小 区, 以便在所述有效时间内向所述接收端设备发送数据。
第四方面, 提供一种数据传输方法, 所述方法包括:
接收端设备获取配置信息, 所述配置信息包括频段指示信息; 所述接收端设备在所述配置信息中所述频段指示信息指示的预 设非授权频谱小区的预设频段, 接收发送端设备发送的数据。
结合第四方面, 在第一种可能的实现方式中, 在所述接收发送 端设备根据所述监听规则监听并发送的数据之后, 所述方法还包括: 所述接收端设备对接收到的数据进行解码, 获取与已接收到的 数据对应的预设标识, 生成反馈消息并向所述发送端设备发送, 以 便所述发送端设备根据所述反馈消息进行数据重传; 所述反馈消息 用于指示所述已接收到的数据对应的预设标识。
结合第四方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述生成反馈消息并向所述发送端设备发送包括:
所述接收端设备每接收到一个所述数据, 发送一个所述反馈消 息; 或,
所述接收端设备在预设反馈时间内接收到一个或多个所述数据 后, 发送一个所述反馈消息。
结合第四方面, 在第三种可能的实现方式中, 当所述接收端设 备为基站、 所述发送端设备为用户设备时, 所述配置信息还包括监 听规则, 在所述接收端设备获取配置信息之后, 所述方法还包括: 所述接收端设备向所述发送端设备发送所述配置信息, 以便所 述发送端设备接收并根据所述配置信息中的所述监听规则进行监 听, 在所述频段指示信息指示的预设频段发送数据。
结合第四方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述接收端设备向所述发送端设备发送所述配置信息包括: 所述接收端设备通过授权频谱小区向所述发送端设备发送所述 配置信息; 或, 通过与所述发送端设备已建立通信连接的非授权频 谱小区向所述发送端设备发送所述配置信息。
结合第四方面, 在第五种可能的实现方式中, 当所述接收端设 备为用户设备、 所述发送端设备为基站时, 所述接收端设备获取配 置信息包括:
所述接收端设备从所述发送端设备获取所述配置信息。
结合第四方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述配置信息还包括有效时间, 所述方法还包括:
所述接收端设备在获取所述配置信息后, 激活所述预设非授权 频谱小区, 并在间隔所述有效时间后去激活所述预设非授权频谱小 区, 以便在所述有效时间内从所述发送端设备接收数据。
第五方面, 提供一种发送端设备, 所述发送端设备包括: 总线、 以及连接到所述总线的处理器、 存储器和接口; 所述存储器用于存 储指令; 所述处理器执行所述指令用于:
获取配置信息, 所述配置信息包括: 监听规则、 频段指示信息; 根据所述配置信息中的所述监听规则, 对所述频段指示信息指 示的预设非授权频谱小区的预设频段进行监听;
当确定所述预设频段空闲时, 通过所述预设非授权频谱小区的 预设频段向接收端设备发送数据。
结合第五方面, 在第一种可能的实现方式中, 所述监听规则包 括: 监听时间、 退避时间;
所述处理器执行所述指令具体用于: 若监听确定所述预设非授 权频谱小区的预设频段在所述监听时间内为空闲状态, 则通过所述 预设频段向接收端设备发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间 隔所述退避时间后, 重新对所述预设频段进行监听判断。
结合第五方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述监听规则还包括功率门限;
所述处理器执行所述指令具体用于: 若在所述预设频段监听检 测到的每一个信号的功率都小于所述功率门限, 则确定所述预设频 段为空闲状态; 或,
若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
结合第五方面, 在第三种可能的实现方式中, 所述数据包括与 所述数据对应的预设标识。
结合第五方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述处理器执行所述指令具体用于:
接收所述接收端设备发送的反馈消息; 所述反馈消息用于指示 所述接收端设备已接收到的数据对应的预设标识;
根据所述反馈消息, 确定所述接收端设备未接收到的数据, 并 对所述未接收到的数据进行重传。 结合第五方面, 在第五种可能的实现方式中, 当所述发送端设 备为基站、 所述接收端设备为用户设备时, 所述处理器执行所述指 令具体用于:
在获取所述配置信息后,向所述接收端设备发送所述配置信息, 以便所述接收端设备接收并根据所述配置信息中的所述频段指示信 息, 在指示的所述预设非授权频谱小区的预设频段接收数据。
结合第五方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述处理器执行所述指令具体用于:
通过授权频谱小区向所述接收端设备发送所述配置信息; 或, 通过与所述接收端设备已建立通信连接的非授权频谱小区向所述接 收端设备发送所述配置信息。
结合第五方面, 在第七种可能的实现方式中, 当所述发送端设 备为用户设备, 所述接收端设备为基站时, 所述处理器执行所述指 令具体用于:
从所述接收端设备获取所述配置信息。
结合第五方面的第七种可能的实现方式, 在第八种可能的实现 方式中, 所述配置信息还包括有效时间, 所述处理器执行所述指令 具体用于:
在获取所述配置信息后, 激活所述预设非授权频谱小区, 并在 间隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述 有效时间内向所述接收端设备发送数据。
第六方面, 提供一种接收端设备, 所述接收端设备包括: 总线、 以及连接到所述总线的处理器、 存储器和接口; 所述存储器用于存 储指令; 所述处理器执行所述指令用于:
获取配置信息, 所述配置信息包括频段指示信息;
在所述配置信息中所述频段指示信息指示的预设非授权频谱小 区的预设频段, 接收发送端设备发送的数据。
结合第六方面, 在第一种可能的实现方式中, 所述处理器执行 所述指令具体用于: 对接收到的数据进行解码, 获取与已接收到的数据对应的预设 标识, 生成反馈消息并向所述发送端设备发送, 以便所述发送端设 备根据所述反馈消息进行数据重传; 所述反馈消息用于指示所述已 接收到的数据对应的预设标识。
结合第六方面的第一种可能的实现方式, 在第二种可能的实现 方式中, 所述处理器执行所述指令具体用于:
每接收到一个所述数据, 发送一个所述反馈消息; 或,
在预设反馈时间内接收到一个或多个所述数据后, 发送一个所 述反馈消息。
结合第六方面, 在第三种可能的实现方式中, 当所述接收端设 备为基站、 所述发送端设备为用户设备时, 所述配置信息还包括监 听规则, 所述处理器执行所述指令具体用于:
在获取所述配置信息后,向所述发送端设备发送所述配置信息, 以便所述发送端设备接收并根据所述配置信息中的所述监听规则进 行监听, 在所述频段指示信息指示的预设频段发送数据。
结合第六方面的第三种可能的实现方式, 在第四种可能的实现 方式中, 所述处理器执行所述指令具体用于:
通过授权频谱小区向所述发送端设备发送所述配置信息; 或, 通过与所述发送端设备已建立通信连接的非授权频谱小区向所述发 送端设备发送所述配置信息。
结合第六方面, 在第五种可能的实现方式中, 当所述接收端设 备为用户设备、 所述发送端设备为基站时, 所述处理器执行所述指 令具体用于:
从所述发送端设备获取所述配置信息。
结合第六方面的第五种可能的实现方式, 在第六种可能的实现 方式中, 所述配置信息还包括有效时间, 所述处理器执行所述指令 具体用于:
在获取所述配置信息后, 激活所述预设非授权频谱小区, 并在 间隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述 有效时间内从所述发送端设备接收数据。
本发明的实施例提供一种数据传输发射端设备、 接收端设备和 方法, 发射端设备获取配置信息进行配置, 根据配置信息中的监听 规则对预设非授权频谱小区上指示的预设频段进行监听, 在判断确 定预设频段空闲后发送数据; 接收端设备获取相同的配置信息进行 配置, 在配置信息指示的预设频段接收发送端设备在监听后发送的 数据。 这样, 减小或消除了由于非授权频谱上存在竟争和冲突导致 传输过程中数据丟失的问题, 提高了基于非授权频谱小区的数据传 输性能。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下 面将对实施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例, 对于 本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以 根据这些附图获得其他的附图。
图 1 为本发明实施例提供的一种发送端设备的结构示意图一; 图 2为本发明实施例提供的一种发送端设备的结构示意图二; 图 3为本发明实施例提供的一种发送端设备的结构示意图三; 图 4为本发明实施例提供的一种接收端设备的结构示意图一; 图 5为本发明实施例提供的一种接收端设备的结构示意图二; 图 6为本发明实施例提供的一种接收端设备的结构示意图三; 图 7为本发明实施例提供的一种接收端设备的结构示意图四; 图 8 为本发明实施例提供的一种数据传输方法的流程示意图 图 9 为本发明实施例提供的一种数据传输方法的流程示意图 图 10 为本发明实施例提供的一种数据传输方法的流程示意图 图 1 1 为本发明实施例提供的一种数据传输方法的流程示意图 四;
图 12为本发明实施例提供的一种发送端设备的结构示意图; 图 13为本发明实施例提供的一种接收端设备的结构示意图。 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作出创造性劳动前提下所获得的所有其他 实施例, 都属于本发明保护的范围。
本发明的实施例提供一种发送端设备 00 , 如图 1 所示, 该发送 端设备 00包括:
第一获取单元 001、 监听单元 002、 数据发送单元 003。
具体的, 第一获取单元 001 , 用于获取配置信息; 该配置信息 包括: 监听规则、 频段指示信息;
可选的, 配置信息还可以包括: 传输数据所使用的调制编码方 式、 传输数据所使用的冗余版本、 传输的数据块大小、 传输数据的 有效时间中的一种或多种, 且上述列举的配置信息所包括的内容仅 为示例性的, 包括但不限于此。
示例性的, 第一获取单元 001 在获取配置信息之前, 还用于获 取频谱小区选择消息, 该频谱选择消息用于确定要传输数据时使用 的预设非授权频谱小区。
其中, 频谱小区选择消息可以具体包括: 预设非授权频谱小区 的频点、 带宽值、 小区标识、 使用的双工工作模式如: 频分双工 ( Frequency Division Duplexing , FDD )、 时分双工 ( Time Division Duplexing , TDD ) , 以及其他附加信息 (如 TDD模式时还可以包含 上下行配比信息); 且上述列举的频谱小区选择消息中包含的信息仅 为示例性的, 包括但不限于此。
在一种实现方式下, 发送端设备 00为基站、 接收端设备为用户 设备, 第一获取单元 001获取配置信息与频谱小区选择消息可以为: 获取发送端设备 00缺省设定的配置信息、 频谱小区选择消息, 或, 获取外部输入给定的配置信息、 频谱小区选择消息, 具体不做限定。
进一步, 如图 2所示, 该发送端设备 00还包括:
第一发送单元 004 , 用于在第一获取单元 001 获取配置信息或 频谱小区选择消息后, 向接收端设备发送该配置信息或该频谱小区 选择消息, 以便接收端设备接收并根据频谱小区选择消息与配置信 息中的频段指示信息, 在指示的预设非授权频谱小区的预设频段接 收数据。
其中, 第一发送单元 004向接收端设备发送配置信息, 可以通 过发送承载配置信息的通知消息实现; 该通知消息可以为: 系统消 息; 或, 专用无线资源控制协议 ( Radio Resource Control , RRC ) 消 息 , 如 RRC 连 接 重 配 置 消 息 ; 或 , 媒体 接 入 控 制 ( MediaAccessControl , MAC )子层消息,如 MAC控制元素( Control Element , CE ); 或, 物理层 ( Physical Layer , PHY ) 消息, 如调度 命令等。 且上述列举的通知消息的形式仅为示例性的, 包括但不限 于此。
可选的, 第一发送单元 004可以通过授权频谱小区向接收端设 备发送上述通知消息; 其中, 授权频谱小区包括主小区 ( Primary Cell , PCell ) 或辅小区 ( Secondary Cell , SCell ) , 且对使用 PCell 或 SCell的选择, 可以根据发送端设备 00的缺省设定, 也可以根据 通信协议中预先设定, 此处不做限定。
或者, 第一发送单元 004也可以通过与发送端设备 00、 接收端 设备都已建立通信连接的任一非授权频谱小区向接收端设备发送上 述通知消息。
值得一提的,若接收端设备在多个不同基站的信号覆盖范围内, 上述指定要使用的预设非授权频谱小区所在基站为第二基站, 且第 二基站与发送端设备 00 不为同一个基站, 则发送端设备 00可以通 过预设接口与第二基站建立连接, 并向第二基站发送上述配置信息, 以便第二基站获取与接收端设备进行数据传输时使用的各项配置参 数; 且发送端设备 00可通过与第二基站的连接关系, 使用第二基站 下的预设非授权频谱小区与接收端设备进行数据传输。
其中, 发送端设备 00与第二基站通过预设接口建立连接, 具体 可以通过基站间的通讯接口 X2接口或 Xn接口 (如主基站和辅助基 站之间的接口 ) 进行消息的传输; 或者, 还可以先通过基站与核心 网之间的通讯接口 S 1接口,再通过核心网之间的交互进行消息的传 输, 此处不做限定。
在另一种实现方式下, 发送端设备 00为用户设备、 接收端设备 为基站, 第一获取单元 001 获取配置信息或频谱小区选择消息可以 为:
在作为接收端设备的基站获取自身缺省设定或外部获取输入给 定的配置信息或频谱小区选择消息, 并向发送端设备 00发送后, 第 一获取单元 001 从作为接收端设备的基站接收获取配置信息或频谱 小区选择消息。
其中, 根据接收端设备发送时使用的频谱小区情况, 第一获取 单元 001 可以通过授权频谱小区, 或, 与发送端设备 00、 接收端设 备都已建立通信连接的非授权频谱小区从作为接收端设备的基站接 收配置信息或频谱小区选择消息。
可选的, 如图 3所示, 该发送端设备 00还包括激活单元 005 ; 当配置信息中包括传输数据的有效时间时, 激活单元 005用于 在第一获取单元 001 获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效时间后去激活预设非授权频谱小区, 以便使数据发送 单元 003在有效时间内向接收端设备发送数据。
或者, 当配置信息中不包括传输数据的有效时间时, 激活单元 005 用于在第一获取单元 001 获取配置信息后, 激活预设非授权频 谱小区, 并在作为接收端设备的基站指示停止发送数据后, 去激活 预设非授权频谱小区, 终止向接收端设备发送数据。
具体的, 监听单元 002 , 用于根据配置信息中的监听规则, 对 频段指示信息指示的预设非授权频谱小区的预设频段进行监听。 其中, 监听规则可以包括: 监听时间、 退避时间及功率门限; 频段指示信息用于指示预设非授权频谱小区上传输数据时所使用的 预设频段资源; 且上述列举的监听规则中包含的内容仅为示例性的, 包括但不限于此, 该频段指示信息指示的预设频段可以为预设非授 权频谱小区上的一部分频段资源, 也可以为预设非授权频谱小区上 的所有频段资源, 此处不做限定。
示例性的, 监听单元 002具体用于: 在第一获取单元 001 获取 配置信息, 预设非授权频谱小区被激活之后, 监听判断预设非授权 频谱小区的预设频段在监听时间内是否为空闲状态; 若为空闲状态, 则通过预设频段向接收端设备发送数据; 或, 若为非空闲状态, 则 执行退避操作;
其中, 监听单元 002判断预设频段是否为空闲状态的操作可以 包括: 若在预设频段监听检测到的每一个信号的功率都小于功率门 限, 则确定预设频段为空闲状态; 或, 若在预设频段监听检测到任 一信号的功率不小于功率门限, 则确定预设频段为非空闲状态。
退避操作包括: 监听单元 002在监听发现预设频段为非空闲状 态时, 根据监听规则中的退避时间, 在间隔退避时间后, 重新对预 设频段进行监听判断。 上述退避时间为监听发送单元 002 从监听到 预设频段非空闲的时刻起, 至重新执行监听操作再次对预设频段进 行监听的等待时间;
具体的, 数据发送单元 003 , 用于当监听单元 002 确定预设频 段空闲时, 通过预设非授权频谱小区的预设频段向接收端设备发送 数据。
可选的, 数据发送单元 003 向接收端设备发送的数据可以包括 该数据对应的预设标识。
示例性的, 数据发送单元 003 在向接收端设备发送数据之前, 还用于在每一个数据中添加该数据对应的预设标识, 以便接收端设 备根据接收到的各数据中对应的预设标识, 生成并向发送端设备发 送反馈消息; 其中, 预设标识可以为在数据的协议头添加的序列号, 该序列 号可以表征发送端设备 00 向接收端设备已发送的数据包数量; 或 者, 预设标识还可以为在数据的协议头添加的时间戳, 该时间戳可 以表征发送端设备 00发送该数据的时间; 反馈消息用于指示接收端 设备已接收到的数据对应的预设标识; 且上述列举的预设标识形式 仅为示例性的, 包括但不限于此。
进一步的, 发送端设备 00接收到接收端设备发送的反馈消息, 根据接收端设备反馈的已接收到数据的上述序列号或时间戳, 结合 系统预设发送数据子帧单位时间, 可以确定开始发送数据后, 接收 端设备已接收到的数据与未接收到的数据; 数据发送单元 003 根据 该反馈消息, 对指示的接收端设备未接收到的数据进行重传。
值得一提的, 上述接收端设备发送的反馈消息仅为示例性的, 该反馈消息也可以在接收端设备根据预设标识分析确定未接收到数 据的情况下, 直接向发送端设备 00指示需要重传的数据。
可选的, 在一种实现方式下, 发送端设备 00为基站、 接收端设 备为用户设备, 在发送端设备 00通过预设非授权频谱小区向接收端 设备发送数据的过程中, 第一获取单元 001 还用于获取配置信息的 更新信息;
数据发送单元 003还用于在第一获取单元 001获取配置信息的 更新信息后, 通过预设非授权频谱小区向接收端设备发送配置信息 的更新信息, 并根据更新后的配置信息, 在监听单元 002 进行后续 监听后发送数据; 以便接收端设备根据更新后的配置信息接收发送 端设备 00后续发送的数据。
其中, 数据发送单元 003 向接收端设备发送配置信息的更新信 息可以通过发送承载配置信息更新信息的控制信令实现, 该控制信 令可以包括: 更新使用的预设频段、 更新使用的调制编码方式、 更 新使用的冗余版本、 更新使用的数据块大小; 且上述列举的控制信 令中包含的内容仅为示例性的, 包括但不限于此。
本发明的实施例提供一种发送端设备, 通过获取配置信息进行 配置, 并在使用预设非授权频谱小区向接收端设备发送数据之前, 根据配置信息中的监听规则对指示的预设频段进行监听, 在判断确 定预设频段空闲后发送数据, 以便接收端设备在获取相同的配置信 息进行配置后在预设频段接收数据; 进一步, 在接收到接收端设备 发送的反馈消息后, 对接收端设备未接收到的数据进行重传。 这样, 减小或消除了由于非授权频谱上存在竟争和冲突导致传输过程中数 据丟失的问题, 提高了基于非授权频谱小区的数据传输性能。
本发明的实施例提供一种接收端设备 01 , 如图 4所示, 该接收 端设备 01 包括:
第二获取单元 01 1、 数据接收单元 012。
具体的, 第二获取单元 01 1 , 用于获取配置信息, 配置信息包 括: 频段指示信息;
可选的, 配置信息还可以包括: 传输数据所使用的监听规则、 传输数据所使用的调制编码方式、 传输数据所使用的冗余版本、 传 输的数据块大小、 传输数据的有效时间中的一种或多种, 且上述列 举的配置信息所包括的内容仅为示例性的, 包括但不限于此。
示例性的, 第二获取单元 01 1 在获取配置信息之前, 还用于获 取频谱小区选择消息, 该频谱选择消息用于确定要传输数据时使用 的预设非授权频谱小区。
其中, 频谱小区选择消息可以具体包括: 预设非授权频谱小区 的频点、 带宽值、 小区标识、 使用的双工工作模式如: FDD、 TDD , 以及其他附加信息 (如 TDD 模式时还可以包含上下行配比信息); 且上述列举的频谱小区选择消息中包含的信息仅为示例性的, 包括 但不限于此。
在一种实现方式下, 接收端设备 01 为基站、 发送端设备为用户 设备, 第二获取单元 01 1获取配置信息与频谱小区选择消息可以为: 获取接收端设备 01缺省设定的配置信息、 频谱小区选择消息, 或, 获取外部输入给定的配置信息、 频谱小区选择消息, 具体不做限定。
进一步的, 该配置信息还包括监听规则, 如图 5 所示, 该接收 端设备 01还包括:
第二发送单元 013 , 用于在第二获取单元 01 1 获取配置信息或 频谱小区选择消息后, 向发送端设备发送该配置信息或该频谱小区 选择消息, 以便发送端设备接收并根据配置信息中的监听规则, 对 频谱小区选择消息与配置信息中的频段指示信息指示的预设非授权 频谱小区的预设频段进行监听, 并发送数据。
其中, 第二发送单元 013 向发送端设备发送配置信息, 可以通 过发送承载配置信息的通知消息实现; 该通知消息可以为: 系统消 息; 或, RRC消息 , 如 RRC连接重配置消息; 或, MAC子层消息 , 如 MAC CE ; 或, PHY消息, 如调度命令等。 且上述列举的通知消 息的形式仅为示例性的, 包括但不限于此。
可选的, 第二发送单元 013可以通过授权频谱小区向发送端设 备发送上述通知消息; 其中, 授权频谱小区包括 PCell或 SCell , 且 对使用 PCell或 SCell的选择, 可以根据接收端设备 01 的缺省设定, 也可以根据通信协议中预先设定, 此处不做限定。
或者, 第二发送单元 013也可以通过与接收端设备 01、 发送端 设备都已建立通信连接的任一非授权频谱小区向发送端设备发送上 述通知消息。
值得一提的,若发送端设备在多个不同基站的信号覆盖范围内, 上述指定要使用的预设非授权频谱小区所在基站为第二基站, 且第 二基站与接收端设备 01 不为同一个基站, 则接收端设备 01 可以通 过预设接口与第二基站建立连接, 并向第二基站发送上述配置信息, 以便第二基站获取与发送端设备进行数据传输时使用的各项配置参 数; 且接收端设备 01可通过与第二基站的连接关系, 使用第二基站 下的预设非授权频谱小区与发送端设备进行数据传输。
其中, 接收端设备 01与第二基站通过预设接口建立连接, 具体 可以通过基站间的通讯接口 X2接口或 Xn接口 (如主基站和辅助基 站之间的接口 ) 进行消息的传输; 或者, 还可以先通过基站与核心 网之间的通讯接口 S 1接口,再通过核心网之间的交互进行消息的传 输, 此处不做限定。
在另一种实现方式下, 接收端设备 01为用户设备、 发送端设备 为基站, 第二获取单元 01 1 获取配置信息或频谱小区选择消息可以 为:
在作为发送端设备的基站获取自身缺省设定或外部获取输入给 定的配置信息或频谱小区选择消息, 并向接收端设备 01发送后, 第 二获取单元 01 1 从作为发送端设备的基站接收获取配置信息或频谱 小区选择消息。
其中, 根据发送端设备发送时使用的频谱小区情况, 第二获取 单元 01 1 可以通过授权频谱小区, 或, 与接收端设备 01、 发送端设 备都已建立通信连接的非授权频谱小区从作为发送端设备的基站接 收配置信息或频谱小区选择消息。
可选的, 如图 6所示, 该接收端设备 01还包括激活单元 014 ; 当配置信息中包括传输数据的有效时间时, 激活单元 014用于 在第二获取单元 01 1 获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效时间后去激活预设非授权频谱小区, 以便使数据接收 单元 012在有效时间内接收发送端设备发送的数据。
或者, 当配置信息中不包括传输数据的有效时间时, 激活单元 014用于在第二获取单元 01 1获取配置信息后,激活预设非授权频谱 小区, 并在作为发送端设备的基站指示停止接收数据后, 去激活预 设非授权频谱小区, 终止从发送端设备接收数据。
具体的, 数据接收单元 012 , 用于在配置信息中频段指示信息 指示的预设非授权频谱小区的预设频段, 接收发送端设备发送的数 据。
示例性的, 数据接收单元 012 具体用于: 在第二获取单元 01 1 获取配置信息与频谱小区选择消息, 预设非授权频谱小区被激活之 后, 根据频谱小区选择消息与配置信息中的预设频段, 在指示的预 设非授权频谱小区的预设频段接收发送端设备在根据监听规则进行 监听判断后发送的数据。 进一步的, 如图 7所示, 该接收端设备 01还包括: 反馈单元 015 , 用于对数据接收单元 012 接收到的数据进行解 码, 获取与已接收到的数据对应的预设标识, 生成反馈消息并向发 送端设备发送, 以便发送端设备根据反馈消息进行数据重传;
其中, 预设标识可以为发送端设备在数据的协议头添加的序列 号, 该序列号可以表征发送端设备向接收端设备 01 已发送的数据包 数量; 或者, 预设标识还可以为发送端设备在数据的协议头添加的 时间戳, 该时间戳可以表征基站发送端设备发送该数据的时间; 且 上述列举的预设标识形式仅为示例性的, 包括但不限于此。
反馈消息用于指示已接收到的数据对应的预设标识。 该反馈消 息可以为 PHY 消息, 或, MAC层消息; 且, 反馈单元 015 可以通 过授权频谱小区如 PCell、 SCell 向发送端设备发送该反馈消息; 也 可以通过与接收端设备 01、 发送端设备都已建立通信连接的非授权 频谱小区向发送端设备发送该反馈消息。 上述反馈消息的消息形式 及传输方式仅为示例性的, 包括但不限于此。
示例性的, 反馈单元 015可以根据已接收到的数据对应的预设 标识生成指示已接收到的数据的反馈消息; 或, 还可以根据上述序 列号或时间戳, 结合系统预设发送数据子帧单位时间, 确定发送端 设备开始发送数据后, 数据接收单元 012 已接收到的数据与未接收 到的数据, 生成指示需要重传的数据的反馈消息。
可选的, 反馈单元 01 5可以在每接收到一个数据时, 对该数据 进行解码, 获取该数据对应的预设标识, 并向发送端设备发送一个 反馈消息;
或者, 反馈单元 015 可以在预设反馈时间内接收到一个或多个 数据后, 对各数据进行解码, 获取各数据对应的预设标识, 并向发 送端设备发送一个反馈消息。 其中, 预设反馈时间可以与上述有效 时间相等, 也可以为其他系统缺省设定值或外部输入给定值, 此处 不做限定。
进一步的, 发送端设备在接收到反馈单元 01 5发送的反馈消息 后, 根据该反馈消息, 确定接收端设备 01 未接收到的数据, 并对未 接收到的数据进行重传。
本发明的实施例提供一种接收端设备, 通过获取配置信息进行 配置, 在配置信息指示的预设频段接收发送端设备根据相同的配置 信息监听后在预设频段发送的数据; 进一步, 在接收数据并确定数 据接收情况后, 向发送端设备发送反馈消息, 以便发送端设备根据 反馈消息对未接收到的数据进行重传。 这样, 减小或消除了由于非 授权频谱上存在竟争和冲突导致传输过程中数据丟失的问题, 提高 了基于非授权频谱小区的数据传输性能。
本发明的实施例提供一种数据传输方法, 如图 8所示, 该方法 包括:
5101、 发送端设备获取配置信息, 配置信息包括: 监听规则、 频段指示信息。
其中, 监听规则包括监听时间、 退避时间; 频段指示信息用于 指示发送端设备在向接收端设备发送数据时使用的预设非授权频谱 小区的预设频段;
5102、 发送端设备根据配置信息中的监听规则, 对频段指示信 息指示的预设非授权频谱小区的预设频段进行监听。
其中, 对预设频段进行监听包括判断该预设频段在监听时间内 是否为空闲状态; 可选的, 监听规则还包括功率门限, 若在预设频 段监听检测到的每一个信号的功率都小于功率门限, 则确定预设频 段为空闲状态; 或, 若在预设频段监听检测到任一信号的功率不小 于功率门限, 则确定预设频段为非空闲状态。
5103、 当确定预设频段空闲时, 发送端设备通过预设非授权频 谱小区的预设频段向接收端设备发送数据。
可选的, 当确定该预设频段非空闲时, 则根据监听规则中的退 避时间, 在间隔退避时间后, 重新对该预设频段进行监听判断。
在一种可能的实现方式下, 发送端设备在向接收端设备发送数 据后, 接收接收端设备发送的反馈消息; 该反馈消息用于指示接收 端设备已接收到的数据对应的预设标识; 并根据反馈消息, 确定接 收端设备未接收到的数据, 并对未接收到的数据进行重传。
值得一提的, 上述发送端设备可以为基站或用户设备, 上述接 收端设备对应可以为用户设备和基站, 具体的选择根据实际应用场 景决定, 此处不做限定。
本发明的实施例提供一种数据传输方法, 通过发送端设备获取 配置信息进行配置, 并在使用预设非授权频谱小区向接收端设备发 送数据之前, 根据配置信息中的监听规则对指示的预设频段进行监 听, 在判断确定预设频段空闲后发送数据, 以便接收端设备在获取 相同的配置信息进行配置后在预设频段接收数据。 这样, 减小或消 除了由于非授权频谱上存在竟争和冲突导致传输过程中数据丟失的 问题, 提高了基于非授权频谱小区的数据传输性能。
本发明的实施例提供一种数据传输方法, 如图 9所示, 该方法 包括:
S20 1、 接收端设备获取配置信息, 配置信息包括频段指示信息。 其中, 频段指示信息用于指示接收端设备接收发送端设备发送 的数据时使用的预设非授权频谱小区的预设频段;
S202、 接收端设备在配置信息中频段指示信息指示的预设非授 权频谱小区的预设频段, 接收发送端设备发送的数据。
在一种可能的实现方式下, 接收端设备在接收到发送端设备发 送的数据后, 对数据进行解码, 获取与已接收到的数据对应的预设 标识, 生成反馈消息并向发送端设备发送, 以便发送端设备根据反 馈消息进行数据重传; 其中, 反馈消息用于指示已接收到的数据对 应的预设标识。
值得一提的, 上述发送端设备可以为基站或用户设备, 上述接 收端设备对应可以为用户设备和基站, 具体的选择根据实际应用场 景决定, 此处不做限定。
本发明的实施例提供一种数据传输方法, 通过接收端设备获取 配置信息进行配置, 在配置信息指示的预设频段接收发送端设备根 据相同的配置信息监听后在预设频段发送的数据。 这样, 减小或消 除了由于非授权频谱上存在竟争和冲突导致传输过程中数据丟失的 问题, 提高了基于非授权频谱小区的数据传输性能。
本发明实施例还提供一种数据传输方法, 在一种可能的应用场 景中, 发送端设备为基站, 接收端设备为用户设备, 如图 10所示, 该方法包括:
5301、 基站向用户设备发送频谱小区选择消息。
其中, 频谱小区选择消息用于指定基站与用户设备间进行数据 传输要使用的预设非授权频谱小区, 且该频谱小区选择消息可以为 系统缺省设定的, 或, 获取外部输入给定的, 具体不做限定; 基站 根据该频谱小区选择消息, 选定发送数据要使用的预设非授权频谱 小区; 用户设备根据该频谱小区选择消息, 选定接收数据要使用的 预设非授权频谱小区。
示例性的, 频谱小区选择消息可以具体包括: 目标非授权频谱 小区的频点、 带宽值、 小区标识以及使用的双工工作模式如: FDD、 TDD , 以及其他附加信息 (如 TDD模式时还可以包含上下行配比信 息); 且上述列举的频谱小区选择消息中包含的信息仅为示例性的, 包括但不限于此。
5302、 基站获取配置信息, 并向用户设备发送配置信息。
其中, 基站获取的配置信息包括: 监听规则、 频段指示信息; 可选的, 配置信息还可以包括:
传输数据所使用的调制编码方式、传输数据所使用的冗余版本、 传输的数据块大小、 传输数据的有效时间中的一种或多种; 上述列 举的配置信息所包括的内容仅为示例性的, 包括但不限于此, 且该 配置信息可以为系统缺省设定的, 或, 获取外部输入给定的, 具体 不做限定。
进一步的, 基站向用户设备发送配置信息, 用户设备在接收到 该配置信息后, 可以根据配置信息中的频段指示信息确定接收基站 发送的数据时所使用的预设频段。 示例性的, 基站向用户设备发送配置信息, 可以通过发送承载 该配置信息的通知消息实现; 该通知消息可以为: 系统消息; 或,
RRC消息 , 如 RRC连接重配置消息; 或, MAC子层消息 , 如 MAC CE ; 或, PHY 消息, 如调度命令等。 且上述列举的通知消息的形 式仅为示例性的, 包括但不限于此。
可选的, 基站可以通过授权频谱小区向用户设备发送上述通知 消息; 其中, 授权频谱小区包括 PCell或 SCell , 且对使用 PCell或 SCell的选择, 可以根据系统的缺省设定, 也可以根据通信协议中预 先设定, 此处不做限定。
或者, 基站也可以通过与基站、 用户设备都已建立通信连接的 任一非授权频谱小区向用户设备发送上述通知消息。
值得一提的, 若用户设备在多个不同基站的信号覆盖范围内, 上述指定要使用的预设非授权频谱小区所在基站为第二基站, 而上 述向用户设备发送配置信息的基站为第一基站, 且第一基站与第二 基站不为同一个基站, 则第一基站可以与第二基站建立连接, 并向 第二基站发送上述配置信息, 以便第二基站获取与用户设备进行数 据传输时使用的各项配置参数; 且第一基站可通过与第二基站的连 接关系, 使用第二基站下的预设非授权频谱小区与用户设备进行数 据传输。
其中, 第一基站与第二基站可以通过预设接口建立连接, 具体 可以通过基站间的通讯接口 X2接口或 Xn接口 (如主基站和辅助基 站之间的接口 ) 进行消息的传输; 或者, 还可以先通过基站与核心 网之间的通讯接口 S 1接口,再通过核心网之间的交互进行消息的传 输, 此处不做限定。
S303、 用户设备对预设非授权频谱小区进行激活。
具体的, 用户设备在接收到配置信息后, 激活预设非授权频谱 小区。
示例性的, 当用户设备获取的配置信息中包括传输数据的有效 时间时, 则用户设备在获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效时间后去激活预设非授权频谱小区, 以便在有效时间 内接收基站发送的数据。
或者, 当配置信息中不包括传输数据的有效时间时, 则用户设 备在获取配置信息后, 激活预设非授权频谱小区, 并在基站指示停 止接收数据后, 去激活预设非授权频谱小区, 终止从基站接收数据。
5304、 基站对预设非授权频谱小区的预设频段进行监听。
具体的, 基站根据配置信息中的监听规则, 对频段指示信息指 示的预设非授权频谱小区的预设频段进行监听。
其中, 监听规则可以包括: 监听时间、 退避时间及功率门限; 频段指示信息用于指示预设非授权频谱小区上传输数据时所使用的 预设频段资源; 且上述列举的监听规则中包含的内容仅为示例性的, 包括但不限于此, 该频段指示信息指示的预设频段可以为预设非授 权频谱小区上的一部分频段资源, 也可以为预设非授权频谱小区上 的所有频段资源, 此处不做限定。
示例性的, 基站对预设频段进行监听包括:
在用户设备激活预设非授权频谱小区之后, 基站根据配置信息 中的监听规则, 监听判断预设非授权频谱小区的预设频段在监听时 间内是否为空闲状态; 若为空闲状态, 则通过预设频段向用户设备 发送数据, 执行 S 305 ; 或, 若为非空闲状态, 则执行退避操作; 其中, 基站判断预设频段是否为空闲状态的操作可以包括: 若 在预设频段监听检测到的每一个信号的功率都小于功率门限, 则确 定预设频段为空闲状态; 或, 若在预设频段监听检测到任一信号的 功率不小于功率门限, 则确定预设频段为非空闲状态。
退避操作包括: 基站在监听发现预设频段为非空闲状态时, 根 据监听规则中的退避时间, 在间隔退避时间后, 重新对预设频段进 行监听判断, 即重新执行 S304。 上述退避时间为基站从监听到预设 频段非空闲的时刻起, 至重新执行监听操作再次对预设频段进行监 听的等待时间;
5305、 基站向用户设备发送数据。 具体的, 当基站监听判断确定预设频段空闲时, 通过预设非授 权频谱小区的预设频段向用户设备发送数据; 用户设备在配置信息 中频段指示信息指示的预设非授权频谱小区的预设频段, 接收基站 发送的数据。
示例性的, 用户设备获取频谱小区选择消息确定预设非授权频 谱, 在获取配置信息后激活预设非授权频谱小区; 基站在监听判断 确定预设频段空闲时通过预设非授权频谱小区的预设频段向用户设 备发送数据; 用户设备根据配置信息中频段指示信息确定预设频段, 在指示的预设非授权频谱小区的预设频段接收基站在监听后发送的 数据。
可选的, 基站向用户设备发送的数据可以包括该数据对应的预 设标识; 示例性的, 基站在向用户设备发送数据之前, 在每一个数 据中添加该数据对应的预设标识;
其中, 预设标识可以为在数据的协议头添加的序列号, 该序列 号可以表征基站向用户设备已发送的数据包数量; 或者, 预设标识 还可以为在数据的协议头添加的时间戳, 该时间戳可以表征基站发 送该数据的时间; 且上述列举的预设标识形式仅为示例性的, 包括 但不限于此。
S306、 用户设备向基站发送反馈消息。
具体的, 用户设备对接收到的数据进行解码, 获取与已接收到 的数据对应的预设标识, 生成反馈消息并向基站发送, 以便基站根 据反馈消息进行数据重传;
其中, 反馈消息用于指示已接收到的数据对应的预设标识。 该 反馈消息可以为 PHY 消息, 或, MAC 层消息; 且, 用户设备可以 通过授权频谱小区如 PCell、 SCell 向基站发送该反馈消息; 也可以 通过与基站、 用户设备都已建立通信连接的非授权频谱小区向基站 发送该反馈消息。 上述反馈消息的消息形式及传输方式仅为示例性 的, 包括但不限于此。
示例性的, 用户设备可以根据已接收到的数据对应的预设标识 生成指示已接收到的数据的反馈消息; 或, 还可以根据上述序列号 或时间戳, 结合系统预设发送数据子帧单位时间, 确定基站开始发 送数据后, 自身已接收到的数据与未接收到的数据, 生成指示需要 重传的数据的反馈消息。
可选的, 用户设备可以在每接收到一个数据时, 对该数据进行 解码, 获取该数据对应的预设标识, 并向基站发送一个反馈消息; 或者, 用户设备可以在预设反馈时间内接收到一个或多个数据 后, 对各数据进行解码, 获取各数据对应的预设标识, 并向基站发 送一个反馈消息。 其中, 预设反馈时间可以与上述有效时间相等, 也可以为其他系统缺省设定值或外部输入给定值, 此处不做限定。
S307、 基站根据反馈消息进行数据重传。
具体的, 基站接收到用户设备发送的反馈消息, 根据用户设备 反馈的已接收到数据的上述序列号或时间戳, 结合系统预设发送数 据子帧单位时间, 可以确定开始发送数据后, 用户设备已接收到的 数据与未接收到的数据; 进一步根据该反馈消息, 对指示的用户设 备未接收到的数据进行重传。
值得一提的, 若用户设备发送的反馈消息直接指示用户设备未 接收到数据的预设标识, 则可以直接根据该反馈消息向用户设备发 送指示的所需重传的数据。
可选的, 基站在通过预设非授权频谱小区向用户设备发送数据 的过程中, 还可以获取配置信息的更新信息, 并在获取配置信息的 更新信息后, 通过预设非授权频谱小区向用户备进行发送; 根据更 新后的配置信息进行后续监听发送数据; 以便用户设备根据更新后 的配置信息接收基站后续发送的数据。
其中, 基站向用户设备发送配置信息的更新信息可以通过发送 承载配置信息更新信息的控制信令实现, 该控制信令可以包括: 更 新使用的预设频段、 更新使用的调制编码方式、 更新使用的冗余版 本、 更新使用的数据块大小; 且上述列举的控制信令中包含的内容 仅为示例性的, 包括但不限于此。 在另一种可能的应用场景中, 发送端设备为用户设备, 接收端 设备为基站, 如图 1 1所示, 该方法包括:
5401、 基站向用户设备发送频谱小区选择消息。
其中, 频谱小区选择消息用于指定基站与用户设备间进行数据 传输要使用的预设非授权频谱小区, 且该频谱小区选择消息可以为 系统缺省设定的, 或, 获取外部输入给定的, 具体不做限定; 用户 设备根据该频谱小区选择消息, 选定发送数据要使用的预设非授权 频谱小区; 基站根据该频谱小区选择消息, 选定接收数据要使用的 预设非授权频谱小区。
示例性的, 频谱小区选择消息可以具体包括: 目标非授权频谱 小区的频点、 带宽值、 小区标识以及使用的双工工作模式如: FDD、 TDD , 以及其他附加信息 (如 TDD模式时还可以包含上下行配比信 息); 且上述列举的频谱小区选择消息中包含的信息仅为示例性的, 包括但不限于此。
5402、 基站获取配置信息, 并向用户设备发送配置信息。
其中, 基站获取的配置信息包括: 监听规则、 频段指示信息; 可选的, 配置信息还可以包括:
传输数据所使用的调制编码方式、传输数据所使用的冗余版本、 传输的数据块大小、 传输数据的有效时间中的一种或多种; 上述列 举的配置信息所包括的内容仅为示例性的, 包括但不限于此, 且该 配置信息可以为系统缺省设定的, 或, 获取外部输入给定的, 具体 不做限定。
进一步的, 基站向用户设备发送配置信息, 用户设备在接收到 该配置信息后, 可以根据配置信息中的频段指示信息确定向基站发 送数据时所使用的预设频段。
示例性的, 基站向用户设备发送配置信息, 可以通过发送承载 该配置信息的通知消息实现; 该通知消息可以为: 系统消息; 或, RRC消息 , 如 RRC连接重配置消息; 或, MAC子层消息 , 如 MAC CE ; 或, PHY 消息, 如调度命令等。 且上述列举的通知消息的形 式仅为示例性的, 包括但不限于此。
可选的, 基站可以通过授权频谱小区向用户设备发送上述通知 消息; 其中, 授权频谱小区包括 PCell或 SCell , 且对使用 PCell或 SCell的选择, 可以根据系统的缺省设定, 也可以根据通信协议中预 先设定, 此处不做限定。
或者, 基站也可以通过与基站、 用户设备都已建立通信连接的 任一非授权频谱小区向用户设备发送上述通知消息。
值得一提的, 若用户设备在多个不同基站的信号覆盖范围内, 上述指定要使用的预设非授权频谱小区所在基站为第二基站, 而上 述向用户设备发送配置信息的基站为第一基站, 且第一基站与第二 基站不为同一个基站, 则第一基站可以与第二基站建立连接, 并向 第二基站发送上述配置信息, 以便第二基站获取与用户设备进行数 据传输时使用的各项配置参数; 且第一基站可通过与第二基站的连 接关系, 使用第二基站下的预设非授权频谱小区与用户设备进行数 据传输。
其中, 第一基站与第二基站可以通过预设接口建立连接, 具体 可以通过基站间的通讯接口 X2接口或 Xn接口 (如主基站和辅助基 站之间的接口 ) 进行消息的传输; 或者, 还可以先通过基站与核心 网之间的通讯接口 S 1接口,再通过核心网之间的交互进行消息的传 输, 此处不做限定。
S403、 用户设备对预设非授权频谱小区进行激活。
具体的, 用户设备在接收到配置信息后, 激活预设非授权频谱 小区。
示例性的, 当用户设备获取的配置信息中包括传输数据的有效 时间时, 则用户设备在获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效时间后去激活预设非授权频谱小区, 以便在有效时间 内向基站发送数据。
或者, 当配置信息中不包括传输数据的有效时间时, 则用户设 备在获取配置信息后, 激活预设非授权频谱小区, 并在基站指示停 止发送数据后, 去激活预设非授权频谱小区, 终止向基站发送数据。
5404、 用户设备对预设非授权频谱小区的预设频段进行监听。 具体的, 基站根据配置信息中的监听规则, 对频段指示信息指 示的预设非授权频谱小区的预设频段进行监听。
其中, 监听规则可以包括: 监听时间、 退避时间及功率门限; 频段指示信息用于指示预设非授权频谱小区上传输数据时所使用的 预设频段资源; 且上述列举的监听规则中包含的内容仅为示例性的, 包括但不限于此, 该频段指示信息指示的预设频段可以为预设非授 权频谱小区上的一部分频段资源, 也可以为预设非授权频谱小区上 的所有频段资源, 此处不做限定。
示例性的, 用户设备对预设频段进行监听包括:
用户设备在激活预设非授权频谱小区之后, 根据配置信息中的 监听规则, 监听判断预设非授权频谱小区的预设频段在监听时间内 是否为空闲状态; 若为空闲状态, 则通过预设频段向用户设备发送 数据, 执行 S405 ; 或, 若为非空闲状态, 则执行退避操作;
其中,用户设备判断预设频段是否为空闲状态的操作可以包括: 若在预设频段监听检测到的每一个信号的功率都小于功率门限, 则 确定预设频段为空闲状态; 或, 若在预设频段监听检测到任一信号 的功率不小于功率门限, 则确定预设频段为非空闲状态。
退避操作包括:用户设备在监听发现预设频段为非空闲状态时, 根据监听规则中的退避时间, 在间隔退避时间后, 重新对预设频段 进行监听判断, 即重新执行 S404。 上述退避时间为用户设备从监听 到预设频段非空闲的时刻起, 至重新执行监听操作再次对预设频段 进行监听的等待时间;
5405、 用户设备向基站发送数据。
具体的, 当用户设备监听判断确定预设频段空闲时, 通过预设 非授权频谱小区的预设频段向基站发送数据; 基站在配置信息中频 段指示信息指示的预设非授权频谱小区的预设频段, 接收用户设备 发送的数据。 示例性的, 用户设备获取频谱小区选择消息确定预设非授权频 谱, 在获取配置信息后激活预设非授权频谱小区, 根据配置信息在 监听判断确定预设频段空闲时通过预设非授权频谱小区的预设频段 向基站发送数据; 基站根据配置信息中频段指示信息确定预设频段, 在指示的预设非授权频谱小区的预设频段接收用户设备在监听后发 送的数据。
可选的, 用户设备向基站发送的数据可以包括该数据对应的预 设标识; 示例性的, 用户设备在向基站发送数据之前, 在每一个数 据中添加该数据对应的预设标识;
其中, 预设标识可以为在数据的协议头添加的序列号, 该序列 号可以表征用户设备向基站已发送的数据包数量; 或者, 预设标识 还可以为在数据的协议头添加的时间戳, 该时间戳可以表征用户设 备发送该数据的时间; 且上述列举的预设标识形式仅为示例性的, 包括但不限于此。
S406、 基站向用户设备发送反馈消息。
具体的, 基站对接收到的数据进行解码, 获取与已接收到的数 据对应的预设标识, 生成反馈消息并向用户设备发送, 以便用户设 备根据反馈消息进行数据重传;
其中, 反馈消息用于指示已接收到的数据对应的预设标识。 该 反馈消息可以为 PHY 消息, 或, MAC 层消息; 且, 基站可以通过 授权频谱小区如 PCell、 SCell 向基站发送该反馈消息; 也可以通过 与基站、 用户设备都已建立通信连接的非授权频谱小区向基站发送 该反馈消息。 上述反馈消息的消息形式及传输方式仅为示例性的, 包括但不限于此。
示例性的, 基站可以根据已接收到的数据对应的预设标识生成 指示已接收到的数据的反馈消息; 或, 还可以根据上述序列号或时 间戳, 结合系统预设发送数据子帧单位时间, 确定用户设备开始发 送数据后, 自身已接收到的数据与未接收到的数据, 生成指示需要 重传的数据的反馈消息。 可选的, 基站可以在每接收到一个数据时, 对该数据进行解码, 获取该数据对应的预设标识, 并向用户设备发送一个反馈消息; 或者, 基站可以在预设反馈时间内接收到一个或多个数据后, 对各数据进行解码, 获取各数据对应的预设标识, 并向用户设备发 送一个反馈消息。 其中, 预设反馈时间可以与上述有效时间相等, 也可以为其他系统缺省设定值或外部输入给定值, 此处不做限定。
S407、 用户设备根据反馈消息进行数据重传。
具体的, 用户设备接收到基站发送的反馈消息, 根据基站反馈 的已接收到数据的上述序列号或时间戳, 结合系统预设发送数据子 帧单位时间, 可以确定开始发送数据后, 基站已接收到的数据与未 接收到的数据; 进一步根据该反馈消息, 对指示的基站未接收到的 数据进行重传。
值得一提的, 若基站发送的反馈消息直接指示基站未接收到数 据的预设标识, 则可以直接根据该反馈消息向基站发送指示的所需 重传的数据。
本发明的实施例提供一种数据传输发射端设备、 接收端设备, 发射端设备获取配置信息进行配置, 根据配置信息中的监听规则对 预设非授权频谱小区上指示的预设频段进行监听, 在判断确定预设 频段空闲后发送数据; 接收端设备获取相同的配置信息进行配置, 在配置信息指示的预设频段接收发送端设备在监听后发送的数据。 这样, 减小或消除了由于非授权频谱上存在竟争和冲突导致传输过 程中数据丟失的问题, 提高了基于非授权频谱小区的数据传输性能。
本发明的实施例提供一种发送端设备 02 , 如图 12 所示, 该发 送端设备 02 包括:
总线 021、 以及连接到总线 021 的处理器 022、 存储器 023和接 口 024 , 其中接口 024用于实现各节点之间的连接通信;
该存储器 023用于存储指令, 该处理器 022执行该指令具体用 于获取配置信息。
其中, 配置信息包括: 监听规则、 频段指示信息。 可选的, 配置信息还可以包括: 传输数据所使用的调制编码方 式、 传输数据所使用的冗余版本、 传输的数据块大小、 传输数据的 有效时间中的一种或多种, 且上述列举的配置信息所包括的内容仅 为示例性的, 包括但不限于此。
该处理器 022执行该指令还用于根据配置信息中的监听规则, 对频段指示信息指示的预设非授权频谱小区的预设频段进行监听。
该处理器 022执行该指令还用于当确定预设频段空闲时, 通过 预设非授权频谱小区的预设频段向接收端设备发送数据。
在本发明实施例中, 可选的, 监听规则包括: 监听时间、 退避 时间, 该处理器 022执行该指令可以具体用于:
若监听确定预设非授权频谱小区的预设频段在监听时间内为空 闲状态, 则通过预设频段向接收端设备发送数据;
或, 若确定预设频段为非空闲状态, 则根据退避时间, 间隔退 避时间后, 重新对预设频段进行监听判断。
在本发明实施例中, 可选的, 监听规则还包括功率门限, 该处 理器 022执行该指令可以具体用于:
若在预设频段监听检测到的每一个信号的功率都小于功率门 限, 则确定预设频段为空闲状态;
或,若在预设频段监听检测到任一信号的功率不小于功率门限, 则确定预设频段为非空闲状态。
在本发明实施例中, 可选的, 上述数据包括与数据对应的预设 标识。
示例性的, 该处理器 022执行该指令可以具体用于在向接收端 设备发送数据之前, 在每一个数据中添加该数据对应的预设标识; 其中, 预设标识可以为在数据的协议头添加的序列号, 该序列 号可以表征向接收端设备已发送的数据包数量; 或者, 预设标识还 可以为在数据的协议头添加的时间戳, 该时间戳可以表征发送该数 据的时间; 且上述列举的预设标识形式仅为示例性的, 包括但不限 于此。 在本发明实施例中, 可选的, 该处理器 022执行该指令可以具 体用于:
接收接收端设备发送的反馈消息; 其中, 反馈消息用于指示接 收端设备已接收到的数据对应的预设标识;
根据反馈消息, 确定接收端设备未接收到的数据, 并对未接收 到的数据进行重传。
在本发明实施例中, 可选的, 当发送端设备为基站、 接收端设 备为用户设备时, 该处理器 022执行该指令可以具体用于:
在获取配置信息后, 向接收端设备发送配置信息, 以便接收端 设备接收并根据配置信息中的频段指示信息, 在指示的预设非授权 频谱小区的预设频段接收数据。
在本发明实施例中, 可选的, 该处理器 022执行该指令可以具 体用于:
通过授权频谱小区向接收端设备发送配置信息; 或, 通过与接 收端设备已建立通信连接的非授权频谱小区向接收端设备发送配置 信息。
在本发明实施例中, 可选的, 当发送端设备为用户设备, 接收 端设备为基站时, 该处理器 022执行该指令可以具体用于:
从接收端设备获取配置信息。
在本发明实施例中, 可选的, 配置信息还包括有效时间, 该处 理器 022执行该指令可以具体用于:
在获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效 时间后去激活预设非授权频谱小区, 以便在有效时间内向接收端设 备发送数据。
本发明的实施例提供一种发送端设备, 通过获取配置信息进行 配置, 并在使用预设非授权频谱小区向接收端设备发送数据之前, 根据配置信息中的监听规则对指示的预设频段进行监听, 在判断确 定预设频段空闲后发送数据, 以便接收端设备在获取相同的配置信 息进行配置后在预设频段接收数据; 进一步, 在接收到接收端设备 发送的反馈消息后, 对接收端设备未接收到的数据进行重传。 这样, 减小或消除了由于非授权频谱上存在竟争和冲突导致传输过程中数 据丟失的问题, 提高了基于非授权频谱小区的数据传输性能。
本发明实施例提供一种接收端设备 03 , 如图 13 所示, 该接收 端设备 03 包括:
总线 03 1、 以及连接到总线 03 1 的处理器 032、 存储器 033和接 口 034 , 其中接口 034用于实现各节点之间的连接通信;
该存储器 033用于存储指令, 该处理器 032执行该指令具体用 于获取配置信息。
其中, 配置信息包括频段指示信息。
可选的, 配置信息还可以包括: 传输数据所使用的监听规则、 传输数据所使用的调制编码方式、 传输数据所使用的冗余版本、 传 输的数据块大小、 传输数据的有效时间中的一种或多种, 且上述列 举的配置信息所包括的内容仅为示例性的, 包括但不限于此。
该处理器 032执行该指令还用于在配置信息中频段指示信息指 示的预设非授权频谱小区的预设频段, 接收发送端设备发送的数据。
在本发明实施例中, 可选的, 该处理器 032执行该指令可以具 体用于:
对接收到的数据进行解码, 获取与已接收到的数据对应的预设 标识, 生成反馈消息并向发送端设备发送, 以便发送端设备根据反 馈消息进行数据重传; 反馈消息用于指示已接收到的数据对应的预 设标识。
在本发明实施例中, 可选的, 该处理器 032执行该指令可以具 体用于:
每接收到一个数据, 发送一个反馈消息;
或者, 在预设反馈时间内接收到一个或多个数据后, 发送一个 反馈消息。 其中, 预设反馈时间可以与上述有效时间相等, 也可以 为其他系统缺省设定值或外部输入给定值, 此处不做限定。
在本发明实施例中, 可选的, 当接收端设备为基站、 发送端设 备为用户设备时, 配置信息还包括监听规则, 该处理器 032 执行该 指令可以具体用于:
在获取配置信息后, 向发送端设备发送配置信息, 以便发送端 设备接收并根据配置信息中的监听规则进行监听, 在频段指示信息 指示的预设频段发送数据。
在本发明实施例中, 可选的, 该处理器 032执行该指令可以具 体用于:
通过授权频谱小区向发送端设备发送配置信息; 或, 通过与发 送端设备已建立通信连接的非授权频谱小区向发送端设备发送配置 信息。
在本发明实施例中, 可选的, 当接收端设备为用户设备、 发送 端设备为基站时, 该处理器 032执行该指令可以具体用于:
从发送端设备获取配置信息。
在本发明实施例中, 可选的, 配置信息还包括有效时间, 该处 理器 032执行该指令可以具体用于:
在获取配置信息后, 激活预设非授权频谱小区, 并在间隔有效 时间后去激活预设非授权频谱小区, 以便在有效时间内从发送端设 备接收数据。
本发明的实施例提供一种接收端设备, 通过获取配置信息进行 配置, 在配置信息指示的预设频段接收发送端设备根据相同的配置 信息监听后在预设频段发送的数据; 进一步, 在接收数据并确定数 据接收情况后, 向发送端设备发送反馈消息, 以便发送端设备根据 反馈消息对未接收到的数据进行重传。 这样, 减小或消除了由于非 授权频谱上存在竟争和冲突导致传输过程中数据丟失的问题, 提高 了基于非授权频谱小区的数据传输性能。
通过以上的实施方式的描述, 所属领域的技术人员可以清楚地 了解到, 为描述的方便和简洁, 仅以上述各功能模块的划分进行举 例说明, 实际应用中, 可以根据需要而将上述功能分配由不同的功 能模块完成, 即将装置的内部结构划分成不同的功能模块, 以完成 以上描述的全部或者部分功能。 上述描述的系统, 装置和单元的具 体工作过程, 可以参考前述方法实施例中的对应过程, 在此不再赘 述。
在本申请所提供的几个实施例中, 应该理解到, 所揭露的系统, 装置和方法, 可以通过其它的方式实现。 例如, 以上所描述的装置 实施例仅仅是示意性的, 例如, 所述单元的划分, 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, 例如多个单元或组 件可以结合或者可以集成到另一个系统, 或一些特征可以忽略, 或 不执行。 另一点, 所显示或讨论的相互之间的耦合或直接耦合或通 信连接可以是通过一些接口, 装置或单元的间接耦合或通信连接, 可以是电性, 机械或其它的形式。
另外, 在本发明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包括, 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, 也可以采用硬件加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, 本发明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 ) 执行本发明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( ROM , Read-Only Memory )、 随机存取存储器( RAM , Random Access Memory )、 磁碟或者光盘等各种可以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围 并不局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技 术范围内, 可轻易想到变化或替换, 都应涵盖在本发明的保护范围 之内。 因此, 本发明的保护范围应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种发送端设备, 其特征在于, 所述发送端设备包括: 第一获取单元, 用于获取配置信息, 所述配置信息包括: 监听规 则、 频段指示信息;
监听单元, 用于根据所述配置信息中的所述监听规则, 对所述频 段指示信息指示的预设非授权频谱小区的预设频段进行监听;
数据发送单元, 用于当所述监听单元确定所述预设频段空闲时, 通过所述预设非授权频谱小区的预设频段向接收端设备发送数据。
2、 根据权利要求 1 所述的发送端设备, 其特征在于, 所述监听 规则包括: 监听时间、 退避时间;
所述监听单元具体用于:若监听确定所述预设非授权频谱小区的 预设频段在所述监听时间内为空闲状态, 则通过所述预设频段向接收 端设备发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间隔 所述退避时间后, 重新对所述预设频段进行监听判断。
3、 根据权利要求 2所述的发送端设备, 其特征在于, 所述监听 规则还包括功率门限;
所述监听单元还用于:若在所述预设频段监听检测到的每一个信 号的功率都小于所述功率门限,则确定所述预设频段为空闲状态;或, 若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
4、 根据权利要求 1 所述的发送端设备, 其特征在于, 所述数据 包括与所述数据对应的预设标识。
5、 根据权利要求 4所述的发送端设备, 其特征在于, 所述数据 发送单元还具体用于:
接收所述接收端设备发送的反馈消息;所述反馈消息用于指示所 述接收端设备已接收到的数据对应的预设标识;
根据所述反馈消息, 确定所述接收端设备未接收到的数据, 并对 所述未接收到的数据进行重传。
6、 根据权利要求 1 所述的发送端设备, 其特征在于, 当所述发 送端设备为基站、 所述接收端设备为用户设备时, 所述发送端设备还 包括:
第一发送单元, 用于在所述第一获取单元获取所述配置信息后, 向所述接收端设备发送所述配置信息, 以便所述接收端设备接收并根 据所述配置信息中的所述频段指示信息, 在指示的所述预设非授权频 谱小区的预设频段接收数据。
7、 根据权利要求 6所述的发送端设备, 其特征在于, 所述第一 发送单元具体用于:
通过授权频谱小区向所述接收端设备发送所述配置信息; 或, 通 过与所述接收端设备已建立通信连接的非授权频谱小区向所述接收 端设备发送所述配置信息。
8、 根据权利要求 1 所述的发送端设备, 其特征在于, 当所述发 送端设备为用户设备, 所述接收端设备为基站时, 所述第一获取单元 具体用于从所述接收端设备获取所述配置信息。
9、 根据权利要求 8所述的发送端设备, 其特征在于, 所述配置 信息还包括有效时间, 所述发送端设备还包括:
激活单元, 用于在第一获取单元获取所述配置信息后, 激活所述 预设非授权频谱小区, 并在间隔所述有效时间后去激活所述预设非授 权频谱小区, 以便所述数据发送单元在所述有效时间内向所述接收端 设备发送数据。
10、 一种接收端设备, 其特征在于, 所述接收端设备包括: 第二获取单元, 用于获取配置信息, 所述配置信息包括频段指示 信息;
数据接收单元,用于在所述配置信息中所述频段指示信息指示的 预设非授权频谱小区的预设频段, 接收发送端设备发送的数据。
1 1、 根据权利要求 10所述的接收端设备, 其特征在于, 所述接 收端设备还包括:
反馈单元, 用于对数据接收单元接收到的数据进行解码, 获取与 已接收到的数据对应的预设标识, 生成反馈消息并向所述发送端设备 发送, 以便所述发送端设备根据所述反馈消息进行数据重传; 所述反 馈消息用于指示所述已接收到的数据对应的预设标识。
12、 根据权利要求 1 1 所述的接收端设备, 其特征在于, 所述反 馈单元还用于:
每接收到一个所述数据, 发送一个所述反馈消息; 或,
在预设反馈时间内接收到一个或多个所述数据后,发送一个所述 反馈消息。
13、 根据权利要求 10所述的接收端设备, 其特征在于, 当所述 接收端设备为基站、 所述发送端设备为用户设备时, 所述配置信息还 包括监听规则, 所述接收端设备还包括:
第二发送单元, 用于在所述第二获取单元获取所述配置信息后, 向所述发送端设备发送所述配置信息, 以便所述发送端设备接收并根 据所述配置信息中的所述监听规则进行监听, 在所述频段指示信息指 示的预设频段发送数据。
14、 根据权利要求 13 所述的接收端设备, 其特征在于, 所述第 二发送单元具体用于:
通过授权频谱小区向所述发送端设备发送所述配置信息; 或, 通 过与所述发送端设备已建立通信连接的非授权频谱小区向所述发送 端设备发送所述配置信息。
15、 根据权利要求 10所述的接收端设备, 其特征在于, 当所述 接收端设备为用户设备、 所述发送端设备为基站时, 所述第二获取单 元具体用于从所述发送端设备获取所述配置信息。
16、 根据权利要求 15所述的接收端设备, 其特征在于, 所述配 置信息还包括有效时间, 所述接收端设备还包括:
激活单元, 用于在第二获取单元获取所述配置信息后, 激活所述 预设非授权频谱小区, 并在间隔所述有效时间后去激活所述预设非授 权频谱小区, 以便所述数据接收单元在所述有效时间内从所述发送端 设备接收数据。
17、 一种数据传输方法, 其特征在于, 所述方法包括: 发送端设备获取配置信息, 所述配置信息包括: 监听规则、 频段 指示信息;
所述发送端设备根据所述配置信息中的所述监听规则,对所述频 段指示信息指示的预设非授权频谱小区的预设频段进行监听;
当确定所述预设频段空闲时,所述发送端设备通过所述预设非授 权频谱小区的预设频段向接收端设备发送数据。
18、 根据权利要求 17所述的方法, 其特征在于,
所述监听规则包括: 监听时间、 退避时间; 所述发送端设备根据 所述配置信息中的所述监听规则, 对所述频段指示信息指示的预设非 授权频谱小区的预设频段进行监听包括:
所述发送端设备若监听确定所述预设非授权频谱小区的预设频 段在所述监听时间内为空闲状态, 则通过所述预设频段向接收端设备 发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间隔 所述退避时间后, 重新对所述预设频段进行监听判断。
19、 根据权利要求 18所述的方法, 其特征在于, 所述监听规则 还包括功率门限, 所述方法还包括:
若在所述预设频段监听检测到的每一个信号的功率都小于所述 功率门限, 则确定所述预设频段为空闲状态; 或,
若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
20、 根据权利要求 17所述的方法, 其特征在于, 所述数据包括 与所述数据对应的预设标识。
21、 根据权利要求 20所述的方法, 其特征在于, 所述方法还包 括:
所述发送端设备接收所述接收端设备发送的反馈消息;所述反馈 消息用于指示所述接收端设备已接收到的数据对应的预设标识; 所述发送端设备根据所述反馈消息,确定所述接收端设备未接收 到的数据, 并对所述未接收到的数据进行重传。
22、 根据权利要求 17所述的方法, 其特征在于, 当所述发送端 设备为基站、 所述接收端设备为用户设备时, 在所述发送端设备获取 配置信息之后, 所述方法还包括:
所述发送端设备向所述接收端设备发送所述配置信息,以便所述 接收端设备接收并根据所述配置信息中的所述频段指示信息, 在指示 的所述预设非授权频谱小区的预设频段接收数据。
23、 根据权利要求 22所述的方法, 其特征在于, 所述发送端设 备向所述接收端设备发送所述配置信息包括:
所述发送端设备通过授权频谱小区向所述接收端设备发送所述 配置信息; 或, 通过与所述接收端设备已建立通信连接的非授权频谱 小区向所述接收端设备发送所述配置信息。
24、 根据权利要求 17所述的方法, 其特征在于, 当所述发送端 设备为用户设备, 所述接收端设备为基站时, 所述发送端设备获取配 置信息包括:
所述发送端设备从所述接收端设备获取所述配置信息。
25、 根据权利要求 24所述的方法, 其特征在于, 所述配置信息 还包括有效时间, 所述方法还包括:
所述发送端设备在获取所述配置信息后,激活所述预设非授权频 谱小区, 并在间隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述有效时间内向所述接收端设备发送数据。
26、 一种数据传输方法, 其特征在于, 所述方法包括:
接收端设备获取配置信息, 所述配置信息包括频段指示信息; 所述接收端设备在所述配置信息中所述频段指示信息指示的预 设非授权频谱小区的预设频段, 接收发送端设备发送的数据。
27、 根据权利要求 26所述的方法, 其特征在于, 在所述接收发 送端设备根据所述监听规则监听并发送的数据之后, 所述方法还包 括:
所述接收端设备对接收到的数据进行解码,获取与已接收到的数 据对应的预设标识, 生成反馈消息并向所述发送端设备发送, 以便所 述发送端设备根据所述反馈消息进行数据重传; 所述反馈消息用于指 示所述已接收到的数据对应的预设标识。
28、 根据权利要求 27所述的方法, 其特征在于, 所述生成反馈 消息并向所述发送端设备发送包括:
所述接收端设备每接收到一个所述数据, 发送一个所述反馈消 息; 或,
所述接收端设备在预设反馈时间内接收到一个或多个所述数据 后, 发送一个所述反馈消息。
29、 根据权利要求 26所述的方法, 其特征在于, 当所述接收端 设备为基站、 所述发送端设备为用户设备时, 所述配置信息还包括监 听规则, 在所述接收端设备获取配置信息之后, 所述方法还包括: 所述接收端设备向所述发送端设备发送所述配置信息,以便所述 发送端设备接收并根据所述配置信息中的所述监听规则进行监听, 在 所述频段指示信息指示的预设频段发送数据。
30、 根据权利要求 29所述的方法, 其特征在于, 所述接收端设 备向所述发送端设备发送所述配置信息包括:
所述接收端设备通过授权频谱小区向所述发送端设备发送所述 配置信息; 或, 通过与所述发送端设备已建立通信连接的非授权频谱 小区向所述发送端设备发送所述配置信息。
3 1、 根据权利要求 26所述的方法, 其特征在于, 当所述接收端 设备为用户设备、 所述发送端设备为基站时, 所述接收端设备获取配 置信息包括:
所述接收端设备从所述发送端设备获取所述配置信息。
32、 根据权利要求 3 1 所述的方法, 其特征在于, 所述配置信息 还包括有效时间, 所述方法还包括:
所述接收端设备在获取所述配置信息后,激活所述预设非授权频 谱小区, 并在间隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述有效时间内从所述发送端设备接收数据。
33、 一种发送端设备, 其特征在于, 所述发送端设备包括: 总线、 以及连接到所述总线的处理器、 存储器和接口; 所述存储器用于存储 指令; 所述处理器执行所述指令用于:
获取配置信息, 所述配置信息包括: 监听规则、 频段指示信息; 根据所述配置信息中的所述监听规则,对所述频段指示信息指示 的预设非授权频谱小区的预设频段进行监听;
当确定所述预设频段空闲时,通过所述预设非授权频谱小区的预 设频段向接收端设备发送数据。
34、 根据权利要求 33 所述的发送端设备, 其特征在于, 所述监 听规则包括: 监听时间、 退避时间;
所述处理器执行所述指令具体用于:若监听确定所述预设非授权 频谱小区的预设频段在所述监听时间内为空闲状态, 则通过所述预设 频段向接收端设备发送数据; 或,
若确定所述预设频段为非空闲状态, 则根据所述退避时间, 间隔 所述退避时间后, 重新对所述预设频段进行监听判断。
35、 根据权利要求 34所述的发送端设备, 其特征在于, 所述监 听规则还包括功率门限;
所述处理器执行所述指令具体用于:若在所述预设频段监听检测 到的每一个信号的功率都小于所述功率门限, 则确定所述预设频段为 空闲 态; 或,
若在所述预设频段监听检测到任一信号的功率不小于所述功率 门限, 则确定所述预设频段为非空闲状态。
36、 根据权利要求 33 所述的发送端设备, 其特征在于, 所述数 据包括与所述数据对应的预设标识。
37、 根据权利要求 36所述的发送端设备, 其特征在于, 所述处 理器执行所述指令具体用于:
接收所述接收端设备发送的反馈消息;所述反馈消息用于指示所 述接收端设备已接收到的数据对应的预设标识;
根据所述反馈消息, 确定所述接收端设备未接收到的数据, 并对 所述未接收到的数据进行重传。
38、 根据权利要求 33 所述的发送端设备, 其特征在于, 当所述 发送端设备为基站、 所述接收端设备为用户设备时, 所述处理器执行 所述指令具体用于:
在获取所述配置信息后, 向所述接收端设备发送所述配置信息, 以便所述接收端设备接收并根据所述配置信息中的所述频段指示信 息, 在指示的所述预设非授权频谱小区的预设频段接收数据。
39、 根据权利要求 38所述的发送端设备, 其特征在于, 所述处 理器执行所述指令具体用于:
通过授权频谱小区向所述接收端设备发送所述配置信息; 或, 通 过与所述接收端设备已建立通信连接的非授权频谱小区向所述接收 端设备发送所述配置信息。
40、 根据权利要求 33 所述的发送端设备, 其特征在于, 当所述 发送端设备为用户设备, 所述接收端设备为基站时, 所述处理器执行 所述指令具体用于:
从所述接收端设备获取所述配置信息。
4 1、 根据权利要求 40所述的发送端设备, 其特征在于, 所述配 置信息还包括有效时间, 所述处理器执行所述指令具体用于:
在获取所述配置信息后, 激活所述预设非授权频谱小区, 并在间 隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述有效 时间内向所述接收端设备发送数据。
42、 一种接收端设备, 其特征在于, 所述接收端设备包括: 总线、 以及连接到所述总线的处理器、 存储器和接口; 所述存储器用于存储 指令; 所述处理器执行所述指令用于:
获取配置信息, 所述配置信息包括频段指示信息;
在所述配置信息中所述频段指示信息指示的预设非授权频谱小 区的预设频段, 接收发送端设备发送的数据。
43、 根据权利要求 42所述的接收端设备, 其特征在于, 所述处 理器执行所述指令具体用于: 对接收到的数据进行解码,获取与已接收到的数据对应的预设标 识, 生成反馈消息并向所述发送端设备发送, 以便所述发送端设备根 据所述反馈消息进行数据重传; 所述反馈消息用于指示所述已接收到 的数据对应的预设标识。
44、 根据权利要求 43 所述的接收端设备, 其特征在于, 所述处 理器执行所述指令具体用于:
每接收到一个所述数据, 发送一个所述反馈消息; 或,
在预设反馈时间内接收到一个或多个所述数据后,发送一个所述 反馈消息。
45、 根据权利要求 42所述的接收端设备, 其特征在于, 当所述 接收端设备为基站、 所述发送端设备为用户设备时, 所述配置信息还 包括监听规则, 所述处理器执行所述指令具体用于:
在获取所述配置信息后, 向所述发送端设备发送所述配置信息, 以便所述发送端设备接收并根据所述配置信息中的所述监听规则进 行监听, 在所述频段指示信息指示的预设频段发送数据。
46、 根据权利要求 45所述的接收端设备, 其特征在于, 所述处 理器执行所述指令具体用于:
通过授权频谱小区向所述发送端设备发送所述配置信息; 或, 通 过与所述发送端设备已建立通信连接的非授权频谱小区向所述发送 端设备发送所述配置信息。
47、 根据权利要求 42所述的接收端设备, 其特征在于, 当所述 接收端设备为用户设备、 所述发送端设备为基站时, 所述处理器执行 所述指令具体用于:
从所述发送端设备获取所述配置信息。
48、 根据权利要求 47所述的接收端设备, 其特征在于, 所述配 置信息还包括有效时间, 所述处理器执行所述指令具体用于:
在获取所述配置信息后, 激活所述预设非授权频谱小区, 并在间 隔所述有效时间后去激活所述预设非授权频谱小区, 以便在所述有效 时间内从所述发送端设备接收数据。
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