WO2016033976A1 - 一种数据传输方法和装置 - Google Patents

一种数据传输方法和装置 Download PDF

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Publication number
WO2016033976A1
WO2016033976A1 PCT/CN2015/077228 CN2015077228W WO2016033976A1 WO 2016033976 A1 WO2016033976 A1 WO 2016033976A1 CN 2015077228 W CN2015077228 W CN 2015077228W WO 2016033976 A1 WO2016033976 A1 WO 2016033976A1
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WIPO (PCT)
Prior art keywords
time window
predefined time
resource
information
feedback information
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PCT/CN2015/077228
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English (en)
French (fr)
Inventor
戴博
鲁照华
苟伟
赵亚军
夏树强
Original Assignee
中兴通讯股份有限公司
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.)
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP15838008.9A priority Critical patent/EP3177094B1/en
Priority to US15/506,992 priority patent/US11259279B2/en
Publication of WO2016033976A1 publication Critical patent/WO2016033976A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • This document relates to the field of mobile communications, and more particularly to a data transmission method and apparatus.
  • a base station or an evolved Node B (eNB) is a device that provides wireless access for a user equipment (UE, User Equipment) or a mobile terminal.
  • the BS or the eNB wirelessly communicates with the UE or the mobile terminal by electromagnetic waves.
  • a base station may provide one or more serving cells, and the wireless communication system may provide wireless coverage for UEs or mobile terminals within a certain geographical range through the serving cell.
  • the embodiment of the invention provides a data transmission method and device, which can effectively utilize unlicensed spectrum resources for data transmission, thereby improving data transmission efficiency.
  • the embodiment of the invention provides a data transmission method, including:
  • the first transmission node transmits data to the second transmission node using resources within the second predefined time window.
  • the first A transmitting node redetermines the first predefined time window and the second predefined time window, and proceeds to perform the step of determining whether resources in the second predefined time window are re-determined.
  • the first transit node re-determines the first predefined time window and the second predefined time window, and continues to perform resources in the second predefined time window for determining the re-determination Whether the step is available, or the first transmitting node does not transmit data to the second transmitting node in the second predefined time window, or determines the second pre-preparation according to the first feedback information Data is no longer transmitted to the second transport node until the resources within the time window are available.
  • the first transmitting node determines, according to the second feedback information, that resources in the second predefined time window are unavailable
  • the first transmitting node does not transmit data to the second transmitting node within the second predefined time window
  • the first transmitting node does not transmit data to the second before receiving the first feedback information, or determining, according to the first feedback information, that the resources in the second predefined time window are available.
  • the first transmitting node transmits data to the second node in the second predefined time window, where the power of the transmitted data is lower or lower than the power of the data transmitted before receiving the second feedback information. Transfer the power of the data to a specific value.
  • the first transmitting node determines, according to the second feedback information, that a subband for transmitting data in the resource in the second predefined time window is unavailable, the first transmitting node is in the Transmitting data to the second transmission node on the other subbands of the resources in the second predefined time window;
  • the first transmission node transmits data to the second node in the second predefined time window, and the power of the transmitted data is compared to the second The power of the data transmitted before the feedback information is low.
  • the second predefined time window is later than the first predefined time window.
  • the first transmitting node receives the first feedback information according to the configuration information; and/or the first transmitting node receives the second feedback information after transmitting the data.
  • the method further includes:
  • the first feedback information includes one of the following:
  • the second feedback information includes one of the following:
  • the method further includes:
  • the first transmission node sends configuration information to the second transmission node.
  • the configuration information includes a detection period, information corresponding to the detection resource, frequency point information, One or more of the system bandwidth, the system bandwidth, the time-frequency position of the reference signal corresponding to the detection resource, the feedback mode information, and the feedback trigger information.
  • the first transmitting node sends configuration information to the second transmitting node on a subframe of the authorized component carrier.
  • the first transmitting node receives first feedback information from the second transmitting node on an authorized resource; and/or the first transmitting node receives the first or second authorized node on the authorized resource or the unlicensed resource.
  • the second feedback information of the second transmission node is not limited to
  • the first transmission node does not transmit data on the detection resource in the configuration information.
  • the embodiment of the invention further provides a data transmission method, including:
  • the second transmission node performs detection on the resources in the first predefined time window according to the configuration information received from the first transmission node, to obtain the first feedback information, or the second transmission node transmits the data corresponding to the first transmission node.
  • the second feedback information is obtained, and the obtained first feedback information or second feedback information is sent to the first transmission node.
  • the configuration information includes one or more of a detection period, detection resource related information, frequency point information, system bandwidth, a feedback manner, a time-frequency position of a reference signal corresponding to the detection resource, and feedback trigger information.
  • the second transmitting node when detecting that the detection resource in the configuration information is idle, or detecting a specific signal, or receiving trigger signaling from the first transmission node, The first feedback information or the second feedback information is sent to the first transmission node.
  • the second transmitting node transmits the second feedback information to the first transmitting node after receiving the data.
  • the method further includes:
  • a synchronization signal and/or a broadcast channel within a second predefined time window; wherein the synchronization signal is periodically received within a second predefined time window, at the front end of the second predefined time window or The broadcast channel is received only once after receiving the first sync signal.
  • the configuration information includes status information that the first transit node is currently located
  • the method further includes: when the second transmission node detects that the state information in the configuration information is a silent state, the second transmission node does not send the first feedback information or the second feedback information.
  • the second transmitting node sends the obtained first feedback information or second feedback information to the first transmitting node on the authorized component carrier.
  • the second transmission information sends the obtained first feedback information or second feedback information to the first transmission node on a subframe (n+k) of the authorized component carrier;
  • n is a subframe in which the first transmission node sends feedback trigger information or a subframe in which the first transmission node transmits data
  • k is 1 or 2 or 3 or 4 or uplink and downlink resources according to the authorized component carrier Configuration is determined.
  • the second transmitting node sends the obtained first feedback information or second feedback information in a broadcast manner on an unlicensed component carrier.
  • the first feedback information includes:
  • the detection resource in the configuration information or the system bandwidth resource corresponding to the detection resource is available, or a detection value of the system bandwidth resource corresponding to the detection resource or the detection resource, or a corresponding to the detection resource or the detection resource Whether the detected value of the system bandwidth resource is less than the second threshold.
  • the second feedback information includes one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the embodiment of the invention further provides a data transmission device, comprising:
  • a determining module configured to determine, according to the detected value detected on the resource in the first predefined time window, that the resource in the second predefined time window is available, and/or according to the first feedback information from the second transmitting node Or the second feedback information determines that the resources in the second predefined time window are available; and sends the determination result to the sending module;
  • a sending module configured to transmit data to the second transmitting node by using resources in the second predefined time window.
  • the determining module is further configured to:
  • the determining module is further configured to:
  • the sending module is further configured to: when the determining module determines, according to the first feedback information, that resources in the second predefined time window are unavailable, the sending module is in the second pre Defining a time window to not transmit data to the second transmission node, or the sending module is no longer determined by the determining module according to the first feedback information that resources in the second predefined time window are available Transmitting data to the second transmission node.
  • the determining module is further configured to: determine, according to the second feedback information, the first The resources in the second predefined time window are not available;
  • the sending module is further configured to: not transmit data to the second transmission node in the second predefined time window; or the first feedback information is not received by the determining module, or according to the Determining, by the feedback information, that the data in the second predefined time window is no longer transmitting data to the second transmission node; or transmitting data to the second node in the second predefined time window
  • the power of the transmitted data is lower than the power of the data transmitted before the second feedback information is received, or the power of the transmitted data is reduced to a specific value.
  • the determining module is further configured to: determine, according to the second feedback information, that a subband for transmitting data in the resource in the second predefined time window is unavailable;
  • the sending module is further configured to: transmit data to the second transmission node on other subbands of the resources in the second predefined time window; when the second feedback information indicates to decrease transmission power, And transmitting data to the second node in the second predefined time window, where the power of the transmitted data is lower than the power of the data transmitted before receiving the second feedback information.
  • the second predefined time window is later than the first predefined time window.
  • the determining module is further configured to: determine whether resources in the second predefined time window are available;
  • the sending module is further configured to: when the determining module determines that resources in the second predefined time window are available, transmit data to the second transmission by using resources in the second predefined time window. Before the node, the sending module transmits a synchronization signal and/or a broadcast channel in the second predefined time window; wherein the synchronization signal is periodically transmitted within the second predefined time window, and the broadcast channel is The front end of the second predefined time window is only sent once after transmitting the first synchronization signal.
  • the first feedback information includes one of the following:
  • the second feedback information includes one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the sending module is further configured to: send configuration information to the second transit node.
  • the configuration information includes one of a detection period, information corresponding to the detection resource, frequency point information, system bandwidth, system bandwidth, time-frequency position of the reference signal corresponding to the detection resource, feedback mode information, and feedback trigger information. Multiple.
  • the sending module is further configured to: send configuration information to the second transit node on a subframe of the authorized component carrier.
  • the apparatus further includes: a receiving module, configured to receive first feedback information from the second transit node on an authorized resource; and/or receive from the authorized resource or the unlicensed resource The second feedback information of the second transmission node.
  • a receiving module configured to receive first feedback information from the second transit node on an authorized resource; and/or receive from the authorized resource or the unlicensed resource The second feedback information of the second transmission node.
  • the receiving module is configured to: receive the first feedback information according to the configuration information; and/or receive the second feedback information after transmitting the data.
  • the sending module is further configured to: when the second transmitting node performs interference or energy detection on the detection resource in the configuration information, does not transmit data on the detection resource in the configuration information.
  • the embodiment of the invention further provides a data transmission device, comprising:
  • a receiving module configured to receive configuration information from the first transit node
  • the detecting module is configured to perform detection on the resources in the first predefined time window according to the received configuration information, obtain the first feedback information, or perform detection on the resource corresponding to the data transmitted by the first transmission node, and obtain the second Feedback information;
  • the sending module is configured to send the obtained feedback information to the first transmitting node.
  • the configuration information includes one or more of a detection period, detection resource related information, frequency point information, system bandwidth, a feedback manner, a time-frequency position of a reference signal corresponding to the detection resource, and feedback trigger information.
  • the sending module is configured to:
  • the detecting module detects that the detecting resource in the configuration information is idle, or detects a specific signal, or receives trigger signaling from the first transmitting node, the obtained first feedback information or the first The two feedback information is sent to the first transmission node.
  • the sending module is further configured to:
  • the receiving module is further configured to:
  • a synchronization signal and/or a broadcast channel within a second predefined time window; wherein the synchronization signal is periodically received within a second predefined time window, at the front end of the second predefined time window or upon receiving the first synchronization
  • the broadcast channel is received only once after the signal.
  • the detecting module is further configured to: detect whether the state information in the configuration information is a silent state;
  • the sending module is further configured to: when the detecting module detects that the state information in the configuration information is in a silent state, does not send the first feedback information or the second feedback information.
  • the sending module is configured to:
  • the sending module is configured to:
  • n is a sub-sentence of the feedback trigger information sent by the first transmission node a frame or a subframe in which the first transmission node transmits data, where k is 1 or 2 or 3 or 4 or determined according to an uplink and downlink resource configuration of the authorized component carrier.
  • the sending module is configured to:
  • the obtained first feedback information or second feedback information is broadcasted on an unlicensed component carrier.
  • the first feedback information includes:
  • the detection resource in the configuration information or the system bandwidth resource corresponding to the detection resource is available, or a detection value of the system bandwidth resource corresponding to the detection resource or the detection resource, or a corresponding to the detection resource or the detection resource Whether the detected value of the system bandwidth resource is less than the second threshold.
  • the second feedback information includes one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the embodiment of the invention further provides a computer storage medium storing program instructions, which can be implemented when the program instructions are executed.
  • the embodiment of the present invention includes: the first transmitting node determines, according to the detected value that is detected on the resource in the first predefined time window, that the resource in the second predefined time window is available, and/or Determining, according to the first feedback information or the second feedback information from the second transmission node, that resources in the second predefined time window are available; the first transmission node uses the resources in the second predefined time window to transmit data to the second transmission node. .
  • the solution of the embodiment of the present invention effectively utilizes resources (including licensed spectrum resources and unlicensed spectrum resources) in the second predefined time window for data transmission, thereby improving data transmission efficiency.
  • FIG. 1 is a flowchart of a data transmission method according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic structural diagram of a data transmission apparatus according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural diagram of another data transmission apparatus according to Embodiment 4 of the present invention.
  • an embodiment of the present invention provides a data transmission method, including:
  • Step 100 The first transmitting node determines, according to the detected value that is detected on the resource in the first predefined time window, that the resource in the second predefined time window is available, and/or according to the second pass.
  • the first feedback information or the second feedback information of the input node determines that the resources in the second predefined time window are available; the first transmission node transmits the data to the second transmission node by using the resources in the second predefined time window.
  • the first transmission node is a base station, or a user equipment, or a relay node, or another type of transmission node
  • the second transmission node is a base station, or a user equipment, or a relay node, or another type of transmission node.
  • the first transmission node determines, according to the detection value obtained by detecting the resource in the first predefined time window, that the resource in the second predefined time window is unavailable, the first transmission node re-determines the first pre-determination. Defining the time window and the second predefined time window, and continuing to perform the step of determining whether the resource within the second predefined time window of the re-determined is available.
  • the first transmitting node determines, according to the first feedback information, that the resources in the second predefined time window are unavailable, the first transmitting node re-determines the first predefined time window and the second predefined time window, and continues to execute. Determining whether the re-determined resource in the second predefined time window is available, or the first transmitting node does not transmit data to the second transmitting node in the second predefined time window, or determining according to the first feedback information The data in the second predefined time window is no longer transmitted to the second transit node until available.
  • the first transmitting node determines, according to the second feedback information, that the resource in the second predefined time window is unavailable, the first transmitting node does not transmit data to the second transmitting node in the second predefined time window; or The first transmitting node does not transmit data to the second transmitting node before receiving the first feedback information or determining that the resources in the second predefined time window are available according to the first feedback information; or the first transmitting node is The second node transmits data to the second predetermined time window, the power of the transmitted data is lower than the power of the data transmitted before the second feedback information is received, or the power of the transmitted data is reduced to a specific value.
  • the first transmission node transmits data to the second node in the second predefined time window, and the power of the transmission data is lower than the power of the data transmitted before the second feedback information is received.
  • the second predefined time window is later than the first predefined time window.
  • the first transmission node receives the first feedback information according to the configuration information; and/or the first transmission node receives the second feedback information after transmitting the data.
  • the first transmitting node determines whether the detected value obtained by detecting the resource in the first predefined time window is smaller than the first threshold, and if the detected value of the interference information is less than, the first transmitting node determines the first The resources in the second predefined time window are available; if greater than or equal to, the first transmitting node determines that the resources in the second predefined time window are unavailable; and if the channel quality information or the energy detection value is less than, the first The transmitting node determines that the resource in the second predefined time window is unavailable; if greater than or equal to, the first transmitting node determines that the resource in the second predefined time window is available.
  • the first threshold is determined according to one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type.
  • the first transmission node stores a correspondence between one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type, and a first threshold.
  • the resources in the first predefined time window or the second predefined time window are authorized resources and/or unauthorized resources.
  • the authorized resource may be a spectrum or a dedicated spectrum (such as a radar dedicated spectrum) purchased by the operator, and the unlicensed resource may be a spectrum corresponding to the WiFi.
  • the first feedback information includes at least one of the following:
  • the third predefined time window is a time window corresponding to the resource corresponding to the data, and/or the first predefined time window, and/or the second predefined time window starts to receive the data corresponding time window.
  • the detection value may be a detection value of the channel quality information or the interference information, or an energy detection value.
  • the second feedback information includes at least one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the available information of the system bandwidth resource corresponding to the resource in the second predefined time window (which may be the full bandwidth corresponding to the resource of the second predefined time window, or the corresponding M subbands, or corresponding subbands, etc.);
  • Channel state information (CSI, Channel-State Information) corresponding to resources in the second predefined time window
  • CSI on the bandwidth used to transmit data may be full bandwidth CSI, or best M subband CSI, or subband CSI, etc.
  • the CSI includes one or more of a Precoding Matrix Indicator (PMI), a Rank Indication (CRI), and a Channel Quality Indication (CQI).
  • PMI Precoding Matrix Indicator
  • CRI Rank Indication
  • CQI Channel Quality Indication
  • the second threshold is determined according to one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type.
  • the first transmission node or the second transmission node stores a correspondence between one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type, and a second threshold.
  • the first threshold or the second threshold is determined according to one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type, including:
  • Different transmission modes correspond to different first thresholds or second thresholds, such as: beam (BF, The (a single port) transmission corresponds to the first threshold 1 or the second threshold 1, and other transmission modes such as transmission diversity correspond to the first threshold 2 or the second threshold 2;
  • system bandwidth 1 corresponds to a first threshold 3 or a second threshold 3
  • system bandwidth 2 corresponds to a first threshold 4 or a second threshold 4;
  • the different transmission node types correspond to different first thresholds or second thresholds, for example, the base station detects the corresponding first threshold value 5 or the second threshold value 5, and the terminal detects the corresponding first threshold value 6 or the second threshold value 6;
  • the different frequency points correspond to different first thresholds or second thresholds, for example, the 5G frequency points correspond to the first threshold value 7 or the second threshold value 7, and the 3G frequency points correspond to the first threshold value 8 or the second threshold value 8;
  • the detected different signal information corresponds to a different first threshold or a second threshold.
  • the detected signal information is that the maximum power value 1 corresponds to the first threshold 9 or the second threshold 9 , and the detected signal information is the maximum power value.
  • 2 corresponds to the first threshold 10 or the second threshold 10;
  • first threshold and the second threshold may be the same or different.
  • the first threshold and the second threshold may be jointly agreed by the first transit node and the second transit node, or may be independently configured.
  • the first transmitting node determines that the resource in the second predefined time window is unavailable; if the first feedback The information or the second feedback information is available for resources within the second predefined time window, and the first transmitting node determines that resources within the second predefined time window are available.
  • the first transmitting node determines whether the detected value in the first feedback information or the second feedback information is less than a second threshold If the detected value of the interference information is smaller, it is determined that the resource in the second predefined time window is available; if it is greater than or equal to, it is determined that the resource in the second predefined time window is unavailable; for the channel quality information, Or the energy detection value, if it is less, it is determined that the resource in the second predefined time window is unavailable; if it is greater than or equal to, it is determined that the resource in the second predefined time window is available.
  • the first transmission node stores a correspondence between one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type, and a second threshold.
  • the first transmitting node determines that the resource in the second predefined time window is available; and for the channel quality information or the energy detection value, the first transmitting node determines the first The resources in the second predefined time window are unavailable; if the first feedback information or the second feedback information is that the detected value of the resource in the second predefined time window is greater than or equal to the second threshold, for the detected value of the interference information, The first transmitting node determines that the resource in the second predefined time window is unavailable; for the channel quality information or the energy detection value, the first transmitting node determines that the resource in the second predefined time window is available.
  • the first transmitting node determines that the resource within the second predefined time window is unavailable.
  • the second transmission node detects that the second feedback information is obtained within the first predefined time window, or the second transmission node detects that the second feedback information is obtained within the second predefined time window, or the second transmission node is in the first transmission.
  • the second transmission information is obtained by detecting the corresponding data on the node transmission data.
  • the second predefined time window length may be determined according to the traffic volume, and may not exceed a predefined maximum value; the first predefined time window length is a predefined value, or determined according to the first feedback information, or, there is an initial default The value, the subsequent first predefined time window length is determined according to the front window detection information.
  • the method when the resources in the second predefined time window are available, before the first transmission node uses the resources in the second predefined time window to transmit data to the second transmission node, the method further includes:
  • the first transmitting node transmits the synchronization signal and/or the broadcast channel within a second predefined time window; wherein the synchronization signal is periodically transmitted within a second predefined time window, the broadcast channel being at the front end of the second predefined time window or being transmitted
  • the first sync signal is sent only once.
  • the synchronization signal is transmitted in a period of T milliseconds, and is located on the first OFDM symbol and/or the second OFDM symbol of the second predefined time window, and the broadcast channel is located on the first to h OFDM symbols after the synchronization channel, h
  • T is a positive integer
  • T is optional 5, 10; or, the first transmission node transmits a broadcast channel in a second predefined time window, and the broadcast channel is located in the first to h OFDM of the second predefined time window.
  • the synchronization signal is transmitted by using a predefined bandwidth of the center frequency of the system bandwidth
  • the broadcast signal is transmitted by using a predefined bandwidth of the center frequency of the system bandwidth, such as: 1.4M, 5M, etc., predefined band
  • the width is less than or equal to the system bandwidth.
  • the synchronization signal includes: a primary synchronization signal (PSS, Primary Synchronization Signal), and/or a secondary synchronization signal (SSS, Secondary Synchronization Signal);
  • the broadcast channel includes: a physical broadcast channel (PBCH, Physical Broadcast Channel);
  • the first feedback information and the second feedback information are in different stages of feedback, for example, the first feedback information is used to determine whether the first transmission node can initially send data; and the second feedback information is used to determine that the first transmission node sends After the data, whether the data can continue to be transmitted later.
  • the first feedback information and the second feedback information may be the same or different, for example, the first feedback information does not include ACK/NACK, and the second feedback information may include ACK/NACK.
  • the method when determining whether the resource in the second predefined time window is available according to the first feedback information or the second feedback information from the second transmission node, the method further includes:
  • Step 101 The first transit node sends configuration information to the second transit node.
  • the configuration information includes one or more of a detection period, information corresponding to the detection resource, frequency point information, system bandwidth, time-frequency position of the reference signal corresponding to the detection resource, feedback mode information, and feedback trigger information.
  • the first transmitting node may send configuration information to the second transmitting node on the subframe of the authorized component carrier.
  • Step 102 The first transmission node receives first feedback information or second feedback information from the second transmission node.
  • the first transmitting node receives the first feedback information from the second transmitting node on the authorized resource; and/or the first transmitting node receives the second feedback information from the second transmitting node on the authorized resource or the unlicensed resource.
  • the first feedback information or the second feedback information may be periodic feedback and or non-periodic feedback.
  • the periodic feedback may be: detecting idle time and reporting once in a period of time; (can be reported at any time within a period of time, may not be reported if idle is not detected), or periodic feedback according to period and offset (Feedback whether it is idle or not); feedback cycle and first The detection time window of the transmission node is related, and it is ensured that feedback is started at the beginning of the detection time window of the first transmission node;
  • the second transit node When the first transit node is in a silent state, the second transit node does not perform detection feedback
  • the aperiodic feedback includes: always detecting the report at any time (the UE detects that the resource is idle), or reports the specific signal (for example, the occupied signal ⁇ request signal), or the first transmitting node sends the signaling. Triggering the second transmission node for feedback;
  • measuring the time-frequency position of the corresponding reference signal is configured by the first transmitting node, or measuring The time-frequency position of the corresponding reference signal is predefined, and the time-frequency position may be the last one or two OFDM symbols of the unlicensed carrier subframe n;
  • the first feedback information or the second feedback information may be fed back in the subframe n+k of the authorized carrier, and the k optional value is 1, 2, 3, 4 or determined according to the uplink and downlink resource configuration of the authorized carrier; It is transmitted on several OFDM symbols, and can also be transmitted in the entire subframe.
  • the time domain location of the first feedback information or the second feedback information may be located on the first n OFDM symbols in the subframe, or may continue for the entire subframe.
  • the first transmission node may receive second feedback information from the second transmission node after transmitting data to the second transmission node within the second predefined time window.
  • the first transmission node does not transmit data on the detection resource in the configuration information.
  • the embodiment of the invention further provides a data transmission method, including:
  • the second transmission node performs detection on the resources in the first predefined time window according to the configuration information received from the first transmission node, to obtain the first feedback information, or the second transmission node transmits the data corresponding to the first transmission node.
  • the second feedback information is obtained, and the obtained first feedback information or second feedback information is sent to the first transmission node.
  • the first transmission node is a base station, or a user equipment, or a relay node, or another type of transmission node; the second transmission node is a base station, or a user equipment, or a relay node, or other type of transmission. node.
  • the configuration information includes one or more of a detection period, detection resource related information, frequency point information, system bandwidth, a feedback manner, a time-frequency position of a reference signal corresponding to the detection resource, and feedback trigger information.
  • the second transmission node sends the first feedback information or the second feedback information that is obtained when the detection resource in the configuration information is idle, or the specific signal is detected, or the trigger signaling from the first transmission node is received.
  • the first transmission node sends the obtained first feedback information or second feedback information to the first transmission node.
  • the detection value of the detection resource in the configuration information is a detection value of the interference information, and the second transmission node detects that the detection resource in the configuration information is idle, including:
  • the second transmitting node determines that the detected value of the detected resource in the configuration information is less than a second threshold.
  • the detection value of the detection resource in the configuration information is a detection value of the channel quality information or the energy, and the second transmission node detects that the detection resource in the configuration information is idle:
  • the second transmitting node determines that the detected value of the detected resource in the configuration information is greater than or equal to a second threshold.
  • the second transmission node transmits the second feedback information to the first transmission node after receiving the data.
  • the configuration information includes status information that the first transit node is currently located
  • the second transmission node When the second transmission node detects that the status information in the configuration information is a silent state, the second transmission node does not send the first feedback information or the second feedback information.
  • the second transmission node may send the obtained first feedback information or second feedback information to the first transmission node on the authorized component carrier.
  • the second transmission information is sent to the first transmission node by using the first feedback information or the second feedback information obtained on the subframe n+k of the authorized component carrier.
  • n is the subframe in which the first transmission node sends the feedback trigger information or the subframe in which the first transmission node sends data, where k is 1 or 2 or 3 or 4 or determined according to the uplink and downlink resource configuration of the authorized component carrier.
  • the second transmission node may also send the obtained first feedback information or second feedback information on the unlicensed component carrier in a broadcast manner. In this way, other transit nodes will not occupy the detection resources.
  • the second transmission node may send an acknowledgement character (ACK, Acknowledgement)/No-Acknowledgement (NACK) to the first transmission node in the second feedback information.
  • ACK acknowledgement character
  • NACK No-Acknowledgement
  • the second threshold is determined according to one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type.
  • the first feedback information includes one of the following:
  • the detection resource in the configuration information or the system bandwidth resource corresponding to the detection resource is available, or the detection value of the system bandwidth resource corresponding to the detection resource or the detection resource, or the detection value of the system bandwidth resource corresponding to the detection resource or the detection resource is smaller than Second threshold.
  • the detection value may be the channel quality information (such as the channel quality indicator CSI corresponding to the detection resource or the CSI on the system bandwidth corresponding to the detection resource, the detected signal type information, the cell identification information corresponding to the detected signal, and the detected signal.
  • the detected value of the transmission power, etc., and/or interference information (such as interference strength, etc.).
  • the second feedback information includes one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the available information of the system bandwidth resource corresponding to the resource in the second predefined time window (which may be the full bandwidth corresponding to the resource of the second predefined time window, or the corresponding M subbands, or corresponding subbands, etc.);
  • CSI on the bandwidth corresponding to the resource in the second predefined time window may be full bandwidth CSI, or best M subband CSI, or subband CSI, etc.
  • the second transmission node stores a correspondence between one or more of a data transmission mode, a system bandwidth, a transmission node type, a frequency point, and a detected signal type, and a second threshold.
  • the second transmitting node measures at the time-frequency position of the first transmitting node configuration.
  • the predefined time-frequency location includes: the last one or two OFDM symbols of the unlicensed carrier subframe n.
  • the time domain location in which the first feedback information is sent may be the first n OFDM symbols in the subframe or the entire subframe.
  • the second transmission node After the second transmission node receives the data transmitted by the first transmission node on the detection resource in the configuration information, the second transmission node sends the second feedback information to the first transmission node.
  • the second transmission node may blindly detect the synchronization signal, determine a starting location of the detection resource in the configuration information, and receive the broadcast information according to the synchronization signal location.
  • the method further includes:
  • the second transmitting node receives the synchronization signal and/or the broadcast channel within a second predefined time window; wherein the synchronization signal is periodically received within the second predefined time window, at the front end of the second predefined time window or at the first reception Only one broadcast channel is received after the synchronization signal.
  • the second transmitting node receives the synchronization signal in a period of T ms, receives the synchronization signal on the first OFDM symbol and or the second OFDM symbol of the second predefined time window, and first to h OFDM after the synchronization channel Receive a broadcast channel on the symbol, h is a positive integer, T is a positive integer, T is optional 5, 10; or, the transmitting node receives the broadcast channel in the second predefined time window, in the second predefined time window A broadcast channel is received on 1 to h OFDM symbols.
  • the synchronization signal is transmitted by using a predefined bandwidth of a central frequency point of the system bandwidth
  • the broadcast signal is transmitted by using a predefined bandwidth of a central frequency point of the system bandwidth, and the predefined bandwidth is less than or equal to the system bandwidth.
  • the first transmission node is a base station
  • the second transmission node is a user equipment
  • the first transmission node and the second transmission node may also correspond to other scenarios, and are not limited to the following descriptions, such as: a base station and a base station, user equipment, user equipment, etc. ;
  • the base station aggregates the licensed spectrum resource and the unlicensed spectrum resource, and the user equipment is configured to feed back an unlicensed spectrum resource state, and the user equipment feeds back the unlicensed spectrum resource state by using the licensed spectrum resource, and the base station feeds back the non-authorized spectrum resource according to the user equipment.
  • the base station acquires the unlicensed spectrum resource for data transmission with the user equipment.
  • the base station cannot acquire the unlicensed spectrum resource, and cannot be used for data transmission with the user equipment.
  • the data transmission process is mainly used by the base station to transmit a data scenario to the user equipment by using the BF transmission mode.
  • the base station aggregates the licensed spectrum resource and the unlicensed spectrum resource, configures the user equipment to feed back an unlicensed spectrum resource state, and detects the unlicensed spectrum resource state by itself, and the user equipment feeds back the unlicensed spectrum resource state through the licensed spectrum.
  • the base station performs scheduling of data transmission according to the unlicensed spectrum resource status that is fed back by the user equipment and detected by itself.
  • the base station When the user equipment feeds back the unlicensed spectrum resource to be idle, and the base station detects that the unlicensed spectrum resource is idle, the base station acquires the unlicensed spectrum resource for data transmission with the user equipment.
  • the base station When the user equipment feeds back the unlicensed spectrum resource to be busy, or the base station detects that the unlicensed spectrum resource is busy, the base station cannot acquire the unlicensed spectrum resource, and cannot be used for data transmission with the user equipment.
  • Example 1 or Example 2 the base station or user equipment obtains the unlicensed spectrum resource status by detecting the interference strength or energy of the unlicensed spectrum resource.
  • the interference strength or energy may be the average interference strength or capability of one or more sub-bands, or one or more sub-bands of lesser or less energy, or the intensity or energy of the specified sub-band.
  • the base station when the user equipment detects the unlicensed spectrum resource, the base station does not use the unlicensed spectrum resource to send data, so as to reduce the impact on the user equipment detection, and ensure that the interference detected by the user equipment is Generated by other transit nodes.
  • the user equipment may feed back the level of the unlicensed spectrum resource state, such as: quantizing the interference strength into several levels, different levels corresponding to different interference intensity ranges, or quantifying energy into several levels. Different grades correspond to different energy ranges.
  • the user equipment may also feed back the unlicensed spectrum resource status to idle or busy, pre-defining a specific threshold, the detected value exceeds the threshold as busy, and the threshold is idle; or the unlicensed spectrum resource status is available or unavailable. Or feedback whether the detected value of the unlicensed spectrum resource exceeds the threshold.
  • the feedback mode may be that the idle time is detected in the second preset time, the feedback is once; or the feedback may be performed at any time in the second preset time, or at a specific time according to the period and the offset. Feedback; or feedback when a specific signal (such as occupancy signal ⁇ request signal) is detected, or feedback is received when receiving trigger signaling from the base station;
  • a specific signal such as occupancy signal ⁇ request signal
  • the triggering signaling includes one of scheduling information corresponding to a Physical Uplink Shared Channel (PUSCH) (such as uplink grant information DCI Format 0), or one of exclusive trigger information (such as downlink control information that triggers PUCCH feedback).
  • PUSCH Physical Uplink Shared Channel
  • exclusive trigger information such as downlink control information that triggers PUCCH feedback
  • the proprietary trigger information includes one or more of feedback channel resource location information, feedback mode information, feedback component carrier information, and feedback channel transmission power control information.
  • the physical resources carrying the feedback information are configured by the base station; for example, the PUCCH Format 2/2a/2b or the PUCCH Format 3 is configured to perform periodic feedback, or the UL Grant is used to trigger the PUSCH to carry feedback information.
  • the detection resource may be one or more orthogonal frequency division multiplexing techniques (OFDM Orthogonal Frequency Division) on one or more subframes. Multiplexing)
  • the detected value may be an average of multiple detected values in the time domain within a time window, or may be a detected value at a specific time.
  • the detection value may be fed back in the form of CSI based on the specific reference signal measurement value sent by the base station, for example, for base station triggered feedback; wherein, when the CSI value is a specific value, the interference condition representing the unlicensed spectrum resource exceeds the threshold, Or on behalf of unlicensed spectrum resources is not available.
  • the location of the detection resource may be a location of a Channel-State Information Reference Signal (CSI-RS), such as a CSI-RS location of a configuration period, or a cell-specific reference signal (CRS, Cell-specific Reference Signal) a partial time domain OFDM symbol position, such as: detecting only the CRS position on the first OFDM symbol in the subframe, or the CRS position on the first OFDM symbol of each slot in the subframe, or in the subframe.
  • CSI-RS Channel-State Information Reference Signal
  • CRS Cell-specific Reference Signal
  • a partial time domain OFDM symbol position such as: detecting only the CRS position on the first OFDM symbol in the subframe, or the CRS position on the first OFDM symbol of each slot in the subframe, or in the subframe
  • the location of all CRSs or the location of some ports in the CRS, such as: port 0, or port 0 and port 1; where CRS port definition and time domain OFDM symbol definition can be used in combination.
  • the base station sends the downlink control information by using the authorized component carrier, and the user equipment detects the downlink control information on the authorized component carrier, and receives the data sent by the base station to the unlicensed carrier according to the downlink control information; the downlink control information.
  • the method includes: scheduling information corresponding to data on the unlicensed component carrier.
  • the user equipment In order to avoid the problem that the user equipment detects the vulnerability and the information is not timely, for example, when the base station transmits data to the user equipment in the unlicensed spectrum resource, the state corresponding to the unlicensed spectrum resource changes, and is used by other nodes to transmit data, and needs to be enhanced.
  • the user equipment receives the data from the base station, the user equipment not only feeds back the hybrid automatic repeat request (HARQ), but also feeds back the interference information or prevents the base station from further scheduling information or suggests that the base station perform delay scheduling. information.
  • HARQ hybrid automatic repeat request
  • 2-bit information can be fed back, corresponding to four states, ACK+ resources are available, NACK+ resources are available, ACK+ resources are unavailable, and NACK+ resources are unavailable, wherein ACK/NACK is feedback for transmitting data of the base station.
  • the resource is available is the resource status feedback currently detected by the user equipment; the ACK+resource is available, the NACK+resource is available, and the NACK+resource is unavailable; similarly, when the double codeword stream is transmitted, the corresponding Bits, each codeword stream corresponds to 2 bits, and each codeword stream may correspond to 1 bit, and whether the resource is available for 1 bit, for a total of 3 bits.
  • the feedback information includes: ACK/NACK, the resource is No available, whether the transmission power needs to be reduced when the resource is available, such as: ACK + resource available + no power reduction, NACK + resource available + no power reduction, NACK + resource unavailable, NACK + resource available + reduced power.
  • the feedback information can be fed back through PUCCH Format 1b or through PUCCH Format 3.
  • the information about whether the resource is available can be used as a condition for the base station to subsequently transmit data to the user equipment in the unlicensed spectrum resource, that is, if the data is unavailable, the data cannot be transmitted to the user equipment on the unlicensed spectrum resource, or the base station can be used only for the base station. Subsequent to the reference factor for the resource to transmit data to the user equipment, the base station can continue to transmit data after reducing the power and or adjusting the MCS level.
  • the power consumption of the base station can be reduced autonomously or reduced according to a predefined rule. For example, when the resource is unavailable, the data power sent by the base station to the user equipment is reduced below a predetermined value, or the number of unavailable unlicensed spectrum resources may be unavailable. , gradually reduce, such as: every time it is unavailable, reduce the transmission power of one level, one level can be 3dB, or it can be other values such as 6dB.
  • the unlicensed spectrum resource is unavailable as a hard decision condition, which may be feedback information that the unlicensed spectrum resource is unavailable, or may be when the number of times the feedback information of the unlicensed spectrum resource is unavailable is continuously greater than the threshold.
  • the base station detects whether the resource corresponding to an unlicensed component carrier is idle.
  • the resource is obtained, and the obtained resource is used to send data to the user equipment.
  • the downlink control information of the data is sent by the authorized component carrier, and the user equipment is authorized.
  • the downlink control information corresponding to the data is detected on the component carrier, and the data is received on the resource corresponding to the unlicensed component carrier according to the downlink control information, and the user equipment detects whether the resource corresponding to the unlicensed component carrier is available, and whether the detected information and the data are
  • the correctly received information is fed back to the base station, or the detected information is fed back to the base station in the form of CSI and corresponding ACK/NACK of the data.
  • the resource detected by the user equipment may be a resource corresponding to the data transmitted by the base station, or may be a resource of the full bandwidth corresponding to the data, or a resource of the sub-band corresponding to the data.
  • the user equipment can feed back the state of the full bandwidth, and can also feed back the state of the best one or more subbands, or feed back the subband status specified by the base station, such as the subband corresponding to the data, or the state of the data corresponding resource.
  • the user equipment can feedback the level of the resource state, for example, the interference intensity is quantized into several levels, the different levels correspond to different interference intensity ranges, or the detected energy values are quantized into several levels, and the different levels correspond to different ranges.
  • the user equipment may also only feed back idle or busy, pre-defining a specific threshold, the detected value exceeds the threshold as busy, below which the threshold is idle, or the resource is available and unavailable, or whether the detected value exceeds the threshold.
  • the detected resource may be one or more OFDM symbols in one or more subframes, and the detected value may be an average of multiple detected values in a time domain within a time window, or may be a detected value at a specific time.
  • the location of the resource detection may be the location of the CSI-RS, or the partial time domain OFDM symbol location in the CRS, such as: detecting only the CRS location on the first OFDM symbol in the subframe, or first in each slot in the subframe.
  • the base station does not transmit data at the detected resource location, and reserves the resource for the user equipment.
  • the detected value represents the interference situation corresponding to the resource, or the detected value represents the data energy sent by the other transmitting nodes except the base station corresponding to the resource.
  • the CSI may perform measurements based on corresponding reference signals of the data, or may be measured according to predefined measurement reference signals (eg, CSI-RS or CRS of non-zero power over the system bandwidth of the transmitted data).
  • predefined measurement reference signals eg, CSI-RS or CRS of non-zero power over the system bandwidth of the transmitted data.
  • the feedback method may be referred to the method described in the example 1, or may be jointly fed back through the PUCCH Format 3 by using ACK/NACK and CSI, or may be fed back through a specific PUSCH joint feedback or through a feedback channel indicated by the downlink control information corresponding to the data.
  • the feedback channel may be a PUCCH, or a PUSCH.
  • the base station cannot be in the subsequent specific time window.
  • the data is transmitted to the user equipment on the resource, or the base station can perform scheduling according to the information, and can continue to schedule or prohibit the scheduling, or the base station continues to schedule data to the user equipment on other resources, or the other recommended by the base station in the user equipment. Transmitting data to the user equipment on the subband;
  • the base station may continue to schedule on the resource, or may transmit data to the user equipment on other sub-bands recommended by the user equipment.
  • the base station detects whether the resource is idle on the unlicensed component carrier, and sends the trigger signaling to the user equipment when the resource is idle.
  • the user equipment After receiving the trigger signaling, the user equipment performs resource detection and sends the second feedback information to the base station according to the The user equipment feedback information determines whether the resource is available. When available, the resource is obtained, and the obtained data is sent to the user equipment.
  • the downlink control information of the data is sent by the authorized component carrier, and the user equipment detects the downlink corresponding to the data on the authorized component carrier.
  • Controlling information receiving data on a corresponding resource of the unlicensed component carrier according to the downlink control information, and detecting, by the user equipment, whether the resource is available, and feeding back the detected information and the information correctly received by the data to the base station, or the detected information
  • the ACK/NACK corresponding to the data in the form of CSI is fed back to the base station, or the user equipment only feeds back the corresponding ACK/NACK of the data.
  • the base station performs detection based on a specific time window. When the detected value in the time window is less than the threshold, the resource is considered to be idle. When the detected value in the time window is greater than or equal to the threshold, the resource is considered to be unavailable.
  • the time window is a continuous time, and may include: predefined k milliseconds, or, h OFDM symbols, or t microseconds, where k, h, t are positive integers;
  • the detection of the user equipment is based on the detection of a specific resource, including: zero-power-CSI-RS, CRS, one or more of specific time domain OFDM symbols.
  • the user equipment detects a state corresponding to the unlicensed component carrier in the time window corresponding to the base station transmitting the trigger signaling.
  • the detected information is fed back by the authorized component carrier, and PUSCH or PUCCH feedback can be used.
  • the trigger signaling sent by the base station includes: scheduling information corresponding to the PUSCH (such as the uplink grant information DCI Format 0), or proprietary trigger information (such as downlink control information that triggers PUCCH feedback), and the proprietary trigger information includes: a feedback channel. Resource location information, feedback mode information, feedback One or more of component carrier information and feedback channel transmission power control information.
  • the base station After obtaining the resource, the base station sends an occupation signal, and/or, when the user equipment detects that the resource is idle and feeds back the resource to the base station, the base station sends a temporary preemption signal on the detection resource.
  • the temporary preemption signal may be a proprietary reference signal; when the feedback information is transmitted on the unlicensed component carrier, the feedback information may also be used as an occupation signal.
  • the determining condition that the base station uses the resource to transmit data to the user equipment at least includes: the base station detecting whether the resource is idle, and the feedback information of the user equipment.
  • the base station When the base station detects that the resource is idle, and the feedback information indicates that the resource is idle, the base station acquires the resource usage right and transmits the data to the user equipment on the resource; when the base station detects that the resource is idle and the feedback information indicates that the resource is busy, the base station cannot transmit the data to the user on the resource.
  • the base station detects that the resource is busy and the feedback information indicates that the resource is idle, the base station transmits the data to the user equipment by using the BF transmission mode on the resource; when the base station detects that the resource is busy, and the feedback information indicates that the resource is busy, the base station cannot transmit the data to the resource.
  • the user equipment detects a specific occupancy signal; when the base station detects that the resource is idle, and the feedback information indicates that the occupancy signal is not detected, the base station acquires the resource usage right, and transmits the data to the user equipment on the resource; when the base station detects that the resource is idle
  • the feedback information indicates that when the occupancy signal is detected, the base station cannot transmit data to the user equipment on the resource; when the base station detects that the resource is busy, and the feedback information indicates that the occupancy signal is not detected, the base station transmits the data by using the BF transmission mode on the resource.
  • the user equipment cannot transmit data by means of omnidirectional antenna transmission; when the base station detects that the resource is busy, and the feedback information indicates that the occupancy signal is detected, the base station cannot transmit data to the user equipment on the resource.
  • an embodiment of the present invention further provides a data transmission apparatus, including at least a judging module and a sending module, where:
  • the determining module is configured to determine, according to the detected value detected on the resource in the first predefined time window, that the resource in the second predefined time window is available, and/or according to the first from the second transit node
  • the feedback information or the second feedback information determines that the resources in the second predefined time window are available; and sends the determination result to the sending module;
  • the sending module is configured to transmit data to the second transmitting node by using resources in the second predefined time window.
  • the determining module is further configured to:
  • the determining module is further configured to:
  • the sending module when the determining module determines, according to the first feedback information, that the resource in the second predefined time window is unavailable, the sending module does not transmit in the second predefined time window.
  • the data is sent to the second transmission node, or the sending module does not transmit data to the second transmission node before the determining module determines that the resources in the second predefined time window are available according to the first feedback information.
  • the determining module is further configured to:
  • the sending module is also set to:
  • the determining module is further configured to:
  • the sending module is also set to:
  • the power of the transmitted data is lower than the power of the data transmitted before the second feedback information is received.
  • the second predefined time window is later than the first predefined time window.
  • the determining module is further configured to: determine whether resources in the second predefined time window are available;
  • the sending module is further configured to: before the determining module determines that the resources in the second predefined time window are available, before transmitting the data to the second transmitting node by using the resource in the second predefined time window, the sending The module transmits a synchronization signal and/or a broadcast channel within a second predefined time window; wherein the synchronization signal is periodically transmitted during a second predefined time window, the broadcast channel being at the front end of the second predefined time window or transmitting the first The sync signal is sent only once.
  • the synchronization signal is transmitted in a period of T milliseconds, and is located on the first OFDM symbol and/or the second OFDM symbol of the second predefined time window, and the broadcast channel is located on the first to h OFDM symbols after the synchronization channel, h
  • T is a positive integer
  • T is optional 5, 10; or, the first transmission node transmits a broadcast channel in a second predefined time window, and the broadcast channel is located in the first to h OFDM of the second predefined time window.
  • the first feedback information includes at least one of the following:
  • the second feedback information includes at least one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • Channel state information CSI corresponding to resources in the second predefined time window
  • the sending module is further configured to: send the configuration information to the second transit node.
  • the configuration information includes: a detection period, information corresponding to the detection resource, frequency point information, system bandwidth, system bandwidth, time-frequency position of the reference signal corresponding to the detection resource, feedback mode information, and feedback trigger information. one or more.
  • the sending module is further configured to:
  • the configuration information is transmitted to the second transmission node on the subframe of the authorized component carrier.
  • a receiving module configured to receive first feedback information from the second transit node on the authorized resource; and/or receive second feedback information from the second transit node on the authorized resource or the unlicensed resource.
  • the receiving module is further configured to:
  • the sending module is further configured to: when the second transmitting node performs interference or energy detection on the detection resource in the configuration information, does not detect in the configuration information. Transfer data on the resource.
  • an embodiment of the present invention further provides a data transmission apparatus, including at least:
  • a receiving module configured to receive configuration information from the first transit node
  • the detecting module is configured to perform detection on the resources in the first predefined time window according to the received configuration information, obtain the first feedback information, or perform detection on the resource corresponding to the data transmitted by the first transmission node, and obtain the second Feedback information;
  • the sending module is configured to send the obtained feedback information to the first transmitting node.
  • the configuration information includes one or more of a detection period, detection resource related information, frequency point information, system bandwidth, a feedback mode, a time-frequency position of a reference signal corresponding to the detection resource, and feedback trigger information.
  • the sending module is configured to:
  • the detecting module detects that the detecting resource in the configuration information is idle, or detects a specific signal, or receives trigger signaling from the first transmitting node, sends the obtained first feedback information or second feedback information to the first transmission. node.
  • the sending module is further configured to:
  • the receiving module is further configured to:
  • a synchronization signal and/or a broadcast channel within a second predefined time window; wherein the synchronization signal is periodically received within a second predefined time window, at the front end of the second predefined time window or after receiving the first synchronization signal
  • the broadcast channel is received only once.
  • the second transmitting node receives the synchronization signal in a period of T ms, receives the synchronization signal on the first OFDM symbol and or the second OFDM symbol of the second predefined time window, and first to h OFDM after the synchronization channel Receive a broadcast channel on the symbol, h is a positive integer, T is a positive integer, T is optional 5, 10; or, the transmitting node receives the broadcast channel in the second predefined time window, in the second predefined time window A broadcast channel is received on 1 to h OFDM symbols.
  • the detecting module is further configured to: detect whether the state information in the configuration information is a silent state;
  • the sending module is further configured to: when the detecting module detects that the state information in the configuration information is a silent state, does not send the first feedback information or the second feedback information.
  • the sending module is configured to:
  • the sending module is configured to:
  • n is the subframe or the first transmission of the feedback trigger information by the first transmission node
  • k is 1 or 2 or 3 or 4 or determined according to the uplink and downlink resource configuration of the authorized component carrier.
  • the sending module is configured to:
  • the obtained first feedback information or second feedback information is broadcasted on the unlicensed component carrier.
  • the first feedback information includes:
  • the detection resource in the configuration information or the system bandwidth resource corresponding to the detection resource is available, or the detection value of the system bandwidth resource corresponding to the detection resource or the detection resource, or the detection value of the system bandwidth resource corresponding to the detection resource or the detection resource is smaller than Second threshold.
  • the second feedback information includes at least one of the following:
  • a specific signal is detected on a resource within a third predefined time window
  • the embodiment of the present invention further provides a computer storable storage medium, where the computer readable storage medium stores computer executable instructions, where the computer executable instructions are used to execute the foregoing information feedback method applied to the first transmission node and Send method.
  • embodiments of the present application can be provided as a method, system, or computer program product. Accordingly, the application can take the form of a hardware embodiment, a software embodiment, or an embodiment in combination with software and hardware. Moreover, embodiments of the present application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • the embodiments of the present invention effectively utilize resources (including licensed spectrum resources and unlicensed spectrum resources) in the second predefined time window for data transmission, thereby improving data transmission efficiency.

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Abstract

一种数据传输方法和装置,包括:第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义的时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;第一传输节点利用第二预定义时间窗内的资源传输数据给第二传输节点。

Description

一种数据传输方法和装置 技术领域
本文涉及移动通信领域,尤指一种数据传输方法和装置。
背景技术
在无线蜂窝通信***中,基站(BS,Base Station)或演进节点B(eNB,evolved Node B)是为用户设备(UE,User Equipment)或移动终端提供无线接入的设备。BS或eNB与UE或移动终端之间通过电磁波进行无线通信。一个基站可能提供一个或多个服务小区,无线通信***通过服务小区可以为一定地理范围内的UE或移动终端提供无线覆盖。
由于频谱资源受限,为了提供更大数据传输速率,非授权频谱的使用越来越受到关注,如何高效使用非授权频谱成为亟待解决的问题。
发明内容
本发明实施例提出了一种数据传输方法和装置,能够有效利用非授权频谱资源进行数据传输,从而提高数据传输效率。
本发明实施例提出了一种数据传输方法,包括:
第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;
第一传输节点利用第二预定义时间窗内的资源传输数据给第二传输节点。
可选地,当所述第一传输节点根据在所述第一预定义时间窗内的资源上进行检测得到的检测值判断出所述第二预定义时间窗内的资源不可用时,所述第一传输节点重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤。
可选地,当所述第一传输节点根据所述第一反馈信息判断出所述第二预 定义时间窗内的资源不可用时,所述第一传输节点重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤,或者,所述第一传输节点在所述第二预定义时间窗内不传输数据给所述第二传输节点,或者,根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点。
可选地,当所述第一传输节点根据所述第二反馈信息判断出所述第二预定义时间窗内的资源不可用时,
所述第一传输节点在所述第二预定义时间窗内不传输数据给所述第二传输节点;
或者所述第一传输节点在没有收到所述第一反馈信息,或根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点;
或者所述第一传输节点在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
可选地,当所述第一传输节点根据所述第二反馈信息判断出所述第二预定义时间窗内的资源中用于传输数据的子带不可用时,所述第一传输节点在所述第二预定义时间窗内的资源中的其他子带上传输数据给所述第二传输节点;
当所述第二反馈信息指示降低发送功率时,所述第一传输节点在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低。
可选地,所述第二预定义时间窗晚于所述第一预定义时间窗。
可选地,所述第一传输节点根据配置信息接收所述第一反馈信息;和/或所述第一传输节点在传输数据后接收所述第二反馈信息。
可选地,当所述第二预定义时间窗内的资源可用时,在所述第一传输节点利用所述第二预定义时间窗内的资源传输数据给所述第二传输节点之前, 所述方法还包括:
所述第一传输节点在所述第二预定义时间窗内传输同步信号和/或广播信道;其中,所述同步信号在所述第二预定义时间窗内周期发送,所述广播信道在所述第二预定义时间窗的前端或者在发送第一个所述同步信号后仅发送一次。
可选地,所述第一反馈信息包括以下之一:
所述第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值。
可选地,所述第二反馈信息包括以下之一:
确认消息ACK/不确认消息NACK;
所述第二预定义时间窗的资源占用信息;
在所述第三预定义时间窗内的资源上检测到特定信号;
所述第二预定义时间窗内的资源是否可用;
对所述第三预定义时间窗内的资源的检测值;
对所述第三预定义时间窗内的资源的检测值是否小于第二阈值;
所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
所述第二预定义时间窗内的资源对应的信道状态信息CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
可选地,该方法之前还包括:
所述第一传输节点向所述第二传输节点发送配置信息。
可选地,所述配置信息包括检测周期、检测资源对应的信息、频点信息、 ***带宽、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
可选地,所述第一传输节点在授权分量载波的子帧上向所述第二传输节点发送配置信息。
可选地,所述第一传输节点在授权资源上接收来自所述第二传输节点的第一反馈信息;和/或所述第一传输节点在授权资源或非授权资源上接收来自所述第二传输节点的第二反馈信息。
可选地,当所述第二传输节点在所述配置信息中的检测资源上进行干扰或能量检测时,所述第一传输节点不在所述配置信息中的检测资源上传输数据。
本发明实施例还提出了一种数据传输方法,包括:
第二传输节点根据接收到来自第一传输节点的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或第二传输节点在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息,将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
可选地,所述配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
可选地,所述第二传输节点在检测到所述配置信息中的检测资源空闲、或检测到特定信号、或接收到来自所述第一传输节点的触发信令时,将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
可选地,所述第二传输节点在接收到数据后传输所述第二反馈信息给所述第一传输节点。
可选地,该方法还包括:
所述第二传输节点在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在所述第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
可选地,所述配置信息包括所述第一传输节点当前所处的状态信息;
所述方法还包括:当所述第二传输节点检测到所述配置信息中的状态信息为静默状态时,所述第二传输节点不发送所述第一反馈信息或第二反馈信息。
可选地,所述第二传输节点在授权分量载波上将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
可选地,所述第二传输信息在授权分量载波的子帧(n+k)上将获得的第一反馈信息或第二反馈信息发送给所述第一传输节点;
其中,n为所述第一传输节点发送反馈触发信息的子帧或所述第一传输节点发送数据的子帧,k为1或2或3或4或根据所述授权分量载波的上下行资源配置确定。
可选地,所述第二传输节点在非授权分量载波上将所述获得的第一反馈信息或第二反馈信息以广播方式发送。
可选地,所述第一反馈信息包括:
所述配置信息中的检测资源或所述检测资源对应的***带宽资源是否可用、或对所述检测资源或检测资源对应的***带宽资源的检测值、或对所述检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
可选地,所述第二反馈信息包括以下之一:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
所述第二预定义时间窗内的资源对应的CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
本发明实施例还提出了一种数据传输装置,包括:
判断模块,设置为根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;将判断结果发送给发送模块;以及
发送模块,设置为利用第二预定义时间窗内的资源传输数据给第二传输节点。
可选地,所述判断模块,还设置为:
根据在所述第一预定义时间窗内的资源上进行检测得到的检测值判断出所述第二预定义时间窗内的资源不可用,重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
可选地,所述判断模块还设置为:
根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用,重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
可选地,所述发送模块还设置为:当所述判断模块根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用时,所述发送模块在所述第二预定义时间窗内不传输数据给所述第二传输节点,或者,所述发送模块在所述判断模块根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点。
可选地,所述判断模块还设置为:根据所述第二反馈信息判断出所述第 二预定义时间窗内的资源不可用;
所述发送模块还设置为:在所述第二预定义时间窗内不传输数据给所述第二传输节点;或者在所述判断模块没有收到所述第一反馈信息,或根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点;或者在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
可选地,所述判断模块还设置为:根据所述第二反馈信息判断出所述第二预定义时间窗内的资源中用于传输数据的子带不可用;
所述发送模块还设置为:在所述第二预定义时间窗内的资源中的其他子带上传输数据给所述第二传输节点;当所述第二反馈信息指示降低发送功率时,在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低。
可选地,所述第二预定义时间窗晚于所述第一预定义时间窗。
可选地,所述判断模块还设置为:判断所述第二预定义时间窗内的资源是否可用;
所述发送模块还设置为,在所述判断模块判断出所述第二预定义时间窗内的资源可用时,在利用所述第二预定义时间窗内的资源传输数据给所述第二传输节点之前,所述发送模块在所述第二预定义时间窗内传输同步信号和/或广播信道;其中,所述同步信号在所述第二预定义时间窗内周期发送,所述广播信道在所述第二预定义时间窗的前端或者在发送第一个所述同步信号后仅发送一次。
可选地,所述第一反馈信息包括以下之一:
所述第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值。
可选地,所述第二反馈信息包括以下之一:
确认消息ACK/不确认消息NACK;
所述第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
所述第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
所述第二预定义时间窗内的资源对应的信道状态信息CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
可选地,所述发送模块还设置为:向所述第二传输节点发送配置信息。
可选地,所述配置信息包括检测周期、检测资源对应的信息、频点信息、***带宽、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
可选地,所述发送模块还设置为:在授权分量载波的子帧上向所述第二传输节点发送配置信息。
可选地,所述装置还包括:接收模块,设置为在授权资源上接收来自所述第二传输节点的第一反馈信息;和/或,在授权资源或非授权资源上接收来自所述第二传输节点的第二反馈信息。
可选地,所述接收模块是设置为:根据配置信息接收所述第一反馈信息;和/或在传输数据后接收所述第二反馈信息。
可选地,所述发送模块还设置为:当所述第二传输节点在所述配置信息中的检测资源上进行干扰或能量检测时,不在所述配置信息中的检测资源上传输数据。
本发明实施例还提出了一种数据传输装置,包括:
接收模块,设置为接收来自第一传输节点的配置信息;
检测模块,设置为根据接收到的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息;以及
发送模块,设置为将获得的反馈信息发送给第一传输节点。
可选地,所述配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
可选地,所述发送模块是设置为:
在所述检测模块检测到所述配置信息中的检测资源空闲、或检测到特定信号、或接收到来自所述第一传输节点的触发信令时,将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
可选地,所述发送模块还设置为:
在接收到数据后传输所述第二反馈信息给所述第一传输节点。
可选地,所述接收模块还设置为:
在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在所述第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
可选地,所述检测模块还设置为:检测所述配置信息中的状态信息是否为静默状态;
所述发送模块还设置为:在检测模块检测到所述配置信息中的状态信息为静默状态时,不发送所述第一反馈信息或第二反馈信息。
可选地,所述发送模块是设置为:
在授权分量载波上将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
可选地,所述发送模块是设置为:
在授权分量载波的子帧(n+k)上将获得的第一反馈信息或第二反馈信息发送给所述第一传输节点;其中,n为所述第一传输节点发送反馈触发信息的子帧或所述第一传输节点发送数据的子帧,k为1或2或3或4或根据所述授权分量载波的上下行资源配置确定。
可选地,所述发送模块是设置为:
在非授权分量载波上将所述获得的第一反馈信息或第二反馈信息以广播方式发送。
可选地,所述第一反馈信息包括:
所述配置信息中的检测资源或所述检测资源对应的***带宽资源是否可用、或对所述检测资源或检测资源对应的***带宽资源的检测值、或对所述检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
可选地,所述第二反馈信息包括以下之一:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
所述第二预定义时间窗内的资源对应的CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
本发明实施例还提供一种计算机存储介质,存储有程序指令,当该程序指令被执行时可实现上述方法。
与相关技术相比,本发明实施例包括:第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;第一传输节点利用第二预定义时间窗内的资源传输数据给第二传输节点。通过本发明实施例的方案,有效利用了第二预定义时间窗内的资源(包括授权频谱资源和非授权频谱资源)进行数据传输,提高了数据传输效率。
附图概述
图1为本发明实施例一的数据传输方法的流程图;
图2为本发明应用示例1的数据传输方法的流程图;
图3为本发明应用示例2的数据传输方法的流程图;
图4为本发明应用示例3的数据传输方法的流程图;
图5为本发明应用示例4的数据传输方法的流程图;
图6为本发明实施例三的数据传输装置的结构组成示意图;
图7为本发明实施例四的另一种数据传输装置的结构组成示意图。
本发明的实施方式
在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互任意组合。
实施例一
参见图1,本发明实施例提出了一种数据传输方法,包括:
步骤100、第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传 输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;第一传输节点利用第二预定义的时间窗内的资源传输数据给第二传输节点。
本步骤中,第一传输节点为基站、或用户设备、或中继节点,或其他类型传输节点;第二传输节点为基站、或用户设备、或中继节点,或其他类型传输节点。
本步骤中,当第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源不可用时,第一传输节点重新确定第一预定义时间窗和第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤。
本步骤中,当第一传输节点根据第一反馈信息判断出第二预定义时间窗内的资源不可用时,第一传输节点重新确定第一预定义时间窗和第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤,或者,第一传输节点在第二预定义时间窗内不传输数据给第二传输节点,或者,根据第一反馈信息判断出第二预定义时间窗内的资源可用前不再传输数据给第二传输节点。
本步骤中,当第一传输节点根据第二反馈信息判断出第二预定义时间窗内的资源不可用时,第一传输节点在第二预定义时间窗内不传输数据给第二传输节点;或者第一传输节点在没有收到第一反馈信息,或根据第一反馈信息判断出第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点;或者第一传输节点在第二预定义时间窗内再给第二节点传输数据,传输数据的功率比接收到第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
本步骤中,当第一传输节点根据第二反馈信息判断出第二预定义时间窗内的资源中用于传输数据的子带不可用时,第一传输节点在第二预定义时间窗内的资源中的其他子带上传输数据给第二传输节点;
当第二反馈信息指示降低发送功率时,第一传输节点在第二预定义时间窗内再给第二节点传输数据,传输数据的功率比接收到第二反馈信息之前传输的数据的功率低。
本步骤中,第二预定义时间窗晚于第一预定义时间窗。
本步骤中,第一传输节点根据配置信息接收第一反馈信息;和/或第一传输节点在传输数据后接收第二反馈信息。
本步骤中,第一传输节点判断在第一预定义时间窗内的资源上进行检测得到的检测值是否小于第一阈值,对于干扰信息的检测值,如果小于,则第一传输节点判断出第二预定义时间窗内的资源可用;如果大于或等于,则第一传输节点判断出第二预定义时间窗内的资源不可用;对于信道质量信息、或能量检测值,如果小于,则第一传输节点判断出第二预定义时间窗内的资源不可用;如果大于或等于,则第一传输节点判断出第二预定义时间窗内的资源可用。
其中,第一阈值根据数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个确定。
其中,第一传输节点中保存有数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个和第一阈值之间的对应关系。
本步骤中,第一预定义时间窗或第二预定义时间窗内的资源为授权资源和/或非授权资源。
其中,授权资源可以是运营商购买的频谱或专用频谱(如雷达专用频谱),非授权资源可以是WiFi对应的频谱等。
本步骤中,第一反馈信息至少包括以下之一:
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值。
其中,第三预定义时间窗为数据对应的资源对应的时间窗,和/或第一预定义时间窗,和/或第二预定义时间窗开始到接收数据对应时间窗。
其中,检测值可以是对信道质量信息、或干扰信息的检测值、或能量检测值。
本步骤中,第二反馈信息至少包括以下之一:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
第二预定义时间窗内的资源对应的***带宽资源的可用信息(可以是第二预定义时间窗的资源对应的全带宽、或对应的M个子带、或对应的子带等);
第二预定义时间窗内的资源对应的信道状态信息(CSI,Channel-State Information);
用于传输数据的带宽上的CSI(可以是全带宽的CSI、或最好的M个子带的CSI、或子带的CSI等);
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示等。
其中,CSI包括:预编码矩阵指示(PMI,Precoding Matrix Indicator)、秩指示(RI,Rank Indication)、信道质量指示(CQI,Channel Quality Indication)中的一个或多个。
其中,第二阈值根据数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个确定。
其中,第一传输节点或第二传输节点中保存有数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个和第二阈值之间的对应关系。
其中,第一阈值或第二阈值根据数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个确定,包括:
不同的传输模式对应不同的第一阈值或第二阈值,如:波束(BF, Beaforming)(单端口)传输对应第一阈值1或第二阈值1,传输分集等其他传输方式对应第一阈值2或第二阈值2;
不同的***带宽对应不同的第一阈值或第二阈值,如:***带宽1对应第一阈值3或第二阈值3,***带宽2对应第一阈值4或第二阈值4;
不同的传输节点类型对应不同的第一阈值或第二阈值,如:基站检测对应第一阈值5或第二阈值5,终端检测对应第一阈值6或第二阈值6;
不同频点对应不同的第一阈值或第二阈值,如:5G频点对应第一阈值7或第二阈值7,3G频点对应第一阈值8或第二阈值8;
检测到的不同的信号信息对应不同的第一阈值或第二阈值,如:检测到的信号信息为最大功率值1对应第一阈值9或第二阈值9,检测到的信号信息为最大功率值2对应第一阈值10或第二阈值10;
上述方式可以任意组合,第一阈值和第二阈值可以相同,也可以不同。
第一阈值和第二阈值可以由第一传输节点和第二传输节点共同约定,也可以独立配置。
本步骤中,如果第一反馈信息或第二反馈信息为第二预定义时间窗内的资源不可用,则第一传输节点判断出第二预定义时间窗内的资源不可用;如果第一反馈信息或第二反馈信息为第二预定义时间窗内的资源可用,则第一传输节点判断出第二预定义时间窗内的资源可用。
如果第一反馈信息或第二反馈信息为对第二预定义的时间窗内的资源的检测值,则第一传输节点判断第一反馈信息或第二反馈信息中的检测值是否小于第二阈值,对于干扰信息的检测值,如果小于,则判断出第二预定义时间窗内的资源可用;如果大于或等于,则判断出第二预定义时间窗内的资源不可用;对于信道质量信息、或能量检测值,如果小于,则判断出第二预定义时间窗内的资源不可用;如果大于或等于,则判断出第二预定义时间窗内的资源可用。
其中,第一传输节点中保存有数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个和第二阈值之间的对应关系。
如果第一反馈信息或第二反馈信息为对第二预定义时间窗内的资源的检 测值小于第二阈值,对于干扰信息的检测值,则第一传输节点判断出第二预定义时间窗内的资源可用;对于信道质量信息、或能量检测值,则第一传输节点判断出第二预定义时间窗内的资源不可用;如果第一反馈信息或第二反馈信息为对第二预定义时间窗内的资源的检测值大于或等于第二阈值,对于干扰信息的检测值,则第一传输节点判断出第二预定义时间窗内的资源不可用;对于信道质量信息、或能量检测值,则第一传输节点判断出第二预定义时间窗内的资源可用。
如果第二反馈信息为在第三预定义时间窗内的资源上检测到特定信号,则第一传输节点判断出第二预定义时间窗内的资源不可用。
第二传输节点在第一预定义时间窗内检测获得第二反馈信息,或者,第二传输节点在第二预定义时间窗内检测获得第二反馈信息,或者,第二传输节点在第一传输节点传输数据对应资源上检测获得第二反馈信息。
本步骤中,第二预定义时间窗长可以根据业务量确定,不能超过预定义最大值;第一预定义时间窗长为预定义值,或者,根据第一反馈信息确定,或者,存在初始默认值,后续第一预定义时间窗长根据前面窗内检测信息确定。
本步骤中,当第二预定义时间窗内的资源可用时,在第一传输节点利用第二预定义时间窗内的资源传输数据给第二传输节点之前还包括:
第一传输节点在第二预定义时间窗内传输同步信号和/或广播信道;其中,同步信号在第二预定义时间窗内周期发送,广播信道在第二预定义时间窗的前端或者在发送第一个同步信号后仅发送一次。
例如,同步信号以T毫秒为周期发送,位于第二预定义时间窗的第一个OFDM符号和/或第二个OFDM符号上,广播信道位于同步信道后第1到h个OFDM符号上,h为正整数,T为正整数,T可选5,10;或者,第一传输节点在第二预定义时间窗内传输广播信道,广播信道位于第二预定义时间窗的第1到h个OFDM符号上。
其中,同步信号采用***带宽的中心频点的预定义带宽传输,广播信号采用***带宽的中心频点的预定义带宽传输,如:1.4M,5M等,预定义带 宽小于等于***带宽。
其中,同步信号包括:主同步信号(PSS,Primary Synchronization Signal)、和/或辅同步信号(SSS,Secondary Synchronization Signal);广播信道包括:物理广播信道(PBCH,Physical Broadcast Channel);
本步骤中,第一反馈信息和第二反馈信息处于反馈的阶段不同,如:第一反馈信息用于判别第一传输节点初始是否可以发送数据;第二反馈信息用于判断第一传输节点发送数据后,后续是否可以继续传输数据。
本步骤中,第一反馈信息与第二反馈信息可以相同,也可以不同,如:第一反馈信息不包括ACK/NACK,而第二反馈信息可以包括ACK/NACK。
本发明实施例的数据传输方法中,当根据来自第二传输节点的第一反馈信息或第二反馈信息判断第二预定义时间窗内的资源是否可用时,该方法之前还包括:
步骤101、第一传输节点向第二传输节点发送配置信息;
本步骤中,配置信息包括检测周期、检测资源对应的信息、频点信息、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
本步骤中,第一传输节点可以在授权分量载波的子帧上向第二传输节点发送配置信息。
步骤102、第一传输节点接收来自第二传输节点的第一反馈信息或第二反馈信息。
本步骤中,第一传输节点在授权资源上接收来自第二传输节点的第一反馈信息;和/或第一传输节点在授权资源或非授权资源上接收来自第二传输节点的第二反馈信息。
本步骤中,第一反馈信息或第二反馈信息可以是周期性反馈和或非周期性反馈。
其中,周期性反馈可以是:一段时间内检测到空闲,上报一次;(一段时间内任意时间都可以上报,如果没有检测到空闲可以不上报),或者,根据周期和偏移量进行周期性反馈(不管是否空闲都反馈);反馈周期与第一 传输节点的检测时间窗相关,尽量保证在第一传输节点检测时间窗的开始进行反馈;
当第一传输节点处于静默状态时,第二传输节点不进行检测反馈;
非周期性的反馈包括:一直检测随时上报(UE检测到资源空闲就上报),或者,检测到特定信号就上报(如:占用信号\请求信号)则反馈,或者,第一传输节点发送信令触发第二传输节点进行反馈;
当第一传输节点在授权载波的子帧n上触发第二传输节点进行反馈,且第二传输节点需要进行信道状态测量时,测量对应参考信号时频位置由第一传输节点配置,或者,测量对应参考信号时频位置为预定义,时频位置可以是非授权载波子帧n的最后一个或两个OFDM符号上;
第一反馈信息或第二反馈信息可以在授权载波的子帧n+k上进行反馈,k可选值为1、2、3、4或根据授权载波的上下行资源配置确定;也可以仅在几个OFDM符号上传输,也可以位于整个子帧内传输。
第一反馈信息或第二反馈信息的时域位置可以位于子帧中前n个OFDM符号上,也可以持续整个子帧。
本步骤中,第一传输节点可以在第二预定义时间窗内向第二传输节点传输数据后,接收来自第二传输节点的第二反馈信息。
本步骤中,当第二传输节点在配置信息中的检测资源上进行干扰或能量检测时,第一传输节点不在配置信息中的检测资源上传输数据。
实施例二
本发明实施例还提出了一种数据传输方法,包括:
第二传输节点根据接收到来自第一传输节点的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或第二传输节点在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息,将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
其中,第一传输节点为基站、或用户设备、或中继节点,或其他类型传输节点;第二传输节点为基站、或用户设备、或中继节点,或其他类型传输 节点。
其中,配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
其中,第二传输节点在检测到配置信息中的检测资源空闲、或检测到特定信号、或接收到来自第一传输节点的触发信令时将获得的第一反馈信息或第二反馈信息发送给第一传输节点,将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
其中,对配置信息中的检测资源的检测值为对干扰信息的检测值,第二传输节点检测到配置信息中的检测资源空闲包括:
第二传输节点判断出对配置信息中的检测资源的检测值小于第二阈值。
其中,对配置信息中的检测资源的检测值为信道质量信息或能量的检测值,第二传输节点检测到配置信息中的检测资源空闲包括:
第二传输节点判断出对配置信息中的检测资源的检测值大于或等于第二阈值。
其中,第二传输节点在接收到数据后传输第二反馈信息给第一传输节点。
其中,配置信息包括第一传输节点当前所处的状态信息;
当第二传输节点检测到配置信息中的状态信息为静默状态时,第二传输节点不发送第一反馈信息或第二反馈信息。
其中,第二传输节点可以在授权分量载波上将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
其中,第二传输信息在授权分量载波的子帧n+k上将获得的第一反馈信息或第二反馈信息发送给第一传输节点;
其中,n为第一传输节点发送反馈触发信息的子帧或第一传输节点发送数据的子帧,k为1或2或3或4或根据授权分量载波的上下行资源配置确定。
其中,第二传输节点也可以在非授权分量载波上将获得的第一反馈信息或第二反馈信息以广播方式发送。这样其他传输节点就不会占用检测资源。
其中,第二传输节点可以在第二反馈信息中包含确认字符(ACK,Acknowledgement)/不确认字符(NACK,No-Acknowledgement)发送给第一传输节点。
其中,第二阈值根据数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个确定。
其中,第一反馈信息包括以下的一个:
配置信息中的检测资源或检测资源对应的***带宽资源是否可用、或对检测资源或检测资源对应的***带宽资源的检测值、或对检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
其中,检测值可以是对信道质量信息(如检测资源对应的信道质量指示符CSI或检测资源对应的***带宽上的CSI、检测的信号类型信息、检测的信号对应的小区标识信息、检测的信号的发送功率等)、和/或干扰信息(如干扰强度等)的检测值。
第二反馈信息包括以下的一个:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
第二预定义时间窗内的资源对应的***带宽资源的可用信息(可以是第二预定义时间窗的资源对应的全带宽、或对应的M个子带、或对应的子带等);
第二预定义时间窗内的资源对应的CSI;
第二预定义时间窗内的资源对应的带宽上的CSI(可以是全带宽的CSI、或最好的M个子带的CSI、或子带的CSI等);
检测的信号类型信息;
检测的信号对应的小区标识信息,或者发送功率指示;
干扰强度指示等。
当第一反馈信息或第二反馈信息为配置信息中的检测资源或检测资源对应的***带宽资源是否可用、或对检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值时,第二传输节点中保存有数据传输模式、***带宽、传输节点类型、频点、检测的信号类型中的一个或多个和第二阈值之间的对应关系。
其中,当第一传输节点在授权载波的子帧n上触发第二传输节点进行反馈,且第二传输节点需要进行信道状态测量时,第二传输节点在第一传输节点配置时频位置上测量特定参考信号,或者,第二传输节点在预定义的时频位置上测量特定参考信号,预定义的时频位置包括:非授权载波子帧n的最后一个或两个OFDM符号上。
其中,发送第一反馈信息的时域位置可以是子帧中前n个OFDM符号或持续整个子帧。
其中,第二传输节点在配置信息中的检测资源上接收到第一传输节点传输数据后,第二传输节点向第一传输节点发送第二反馈信息;
其中,第二传输节点可以盲检测同步信号,确定配置信息中的检测资源的起始位置;根据同步信号位置,接收广播信息。
本发明实施例的数据传输方法中,还包括:
第二传输节点在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
例如,第二传输节点以T ms为周期接收同步信号,在第二预定义时间窗的第一个OFDM符号和或第二个OFDM符号上接收同步信号,在同步信道后第1到h个OFDM符号上接收广播信道,h为正整数,T为正整数,T可选5,10;或者,第而传输节点在第二预定义时间窗内接收广播信道,在第二预定义时间窗的第1到h个OFDM符号上接收广播信道。
其中,同步信号采用***带宽的中心频点的预定义带宽传输,广播信号采用***带宽的中心频点的预定义带宽传输,预定义带宽小于等于***带宽。
下面结合应用示例对本发明实施例方法进行详细描述。
实施例中第一传输节点为基站,第二传输节点为用户设备;第一传输节点和第二传输节点也可以对应其他场景,不限于下面描述,如:基站和基站,用户设备和用户设备等;
应用示例1
参见图2,假设基站聚合了授权频谱资源和非授权频谱资源,配置用户设备反馈一非授权频谱资源状态,用户设备通过授权频谱资源反馈该非授权频谱资源状态,基站根据用户设备反馈的该非授权频谱资源状态进行数据传输的调度。
当用户设备反馈该非授权频谱资源为空闲时,基站获取该非授权频谱资源,用于与用户设备进行数据传输。
当用户设备反馈该非授权频谱资源为忙时,基站不能获取该非授权频谱资源,不能用于与用户设备进行数据传输。
本示例中,数据传输过程主要用于基站采用BF传输方式向用户设备传输数据场景。
应用示例2
参见图3,假设基站聚合了授权频谱资源和非授权频谱资源,配置用户设备反馈一非授权频谱资源状态,并自身检测该非授权频谱资源状态,用户设备通过授权频谱反馈该非授权频谱资源状态,基站根据用户设备反馈的和自身检测的该非授权频谱资源状态进行数据传输的调度。
当用户设备反馈该非授权频谱资源为空闲,且基站检测到该非授权频谱资源为空闲时,基站获取该非授权频谱资源,用于与用户设备进行数据传输。
当用户设备反馈该非授权频谱资源为忙,或基站检测到该非授权频谱资源为忙时,基站不能获取该非授权频谱资源,不能用于与用户设备进行数据传输。
在示例1或示例2中,基站或用户设备通过检测该非授权频谱资源的干扰强度或者能量来得到该非授权频谱资源状态。
干扰强度或者能量可以是一个或一个以上子带的平均干扰强度或者能力,或干扰强度或者能量较小的一个或一个以上子带,或指定子带的干扰强度或者能量。
在示例1或示例2中,用户设备在对该非授权频谱资源进行检测时,基站不使用该非授权频谱资源发送数据,以降低对用户设备检测的影响,保证用户设备检测到的干扰是由其他传输节点产生的。
在示例1或示例2中,用户设备可以反馈该非授权频谱资源状态的等级,如:将干扰强度量化为几个等级,不同等级对应不同的干扰强度范围,或者,将能量量化为几个等级,不同等级对应不同的能量范围。
用户设备也可以反馈该非授权频谱资源状态为空闲或忙,预定义一个特定阈值,检测值超过该阈值为忙,低于该阈值为空闲;或反馈该非授权频谱资源状态为可用或不可用;或反馈该非授权频谱资源的检测值是否超过该阈值。
在示例1或示例2中,反馈方式可以是第二预设时间内检测到空闲,反馈一次;或第二预设时间内任意时间都可以反馈,或根据周期和偏移量,在特定时间进行反馈;或检测到特定信号(如占用信号\请求信号)则反馈,或接收到来自基站的触发信令则进行反馈;
触发信令包括:物理上行共享信道(PUSCH,Physical Uplink Shared Channel)对应的调度信息(如上行授权信息DCI Format 0),或专有的触发信息(如触发PUCCH反馈的下行控制信息)中的一个或多个;专有的触发信息包括:反馈信道资源位置信息、反馈模式信息、反馈分量载波信息、反馈信道发送功率控制信息中的一个或多个。
承载反馈信息的物理资源由基站配置;如配置PUCCH Format 2/2a/2b或PUCCH Format 3进行周期反馈,或通过UL Grant触发PUSCH承载反馈信息。
在示例1或示例2中,检测资源可以是一个或一个以上子帧上的一个或一个以上正交频分复用技术(OFDM Orthogonal Frequency Division  Multiplexing)符号,检测值可以是一个时间窗内时域上多个检测值的平均,也可以是一个特定时刻的检测值。
检测值可以基于基站发送的特定参考信号测量值以CSI的形式进行反馈,如:用于基站触发式的反馈;其中,当CSI值为特定值时,代表非授权频谱资源的干扰情况超过阈值,或代表非授权频谱资源不可用。
检测资源的位置可以采用信道状态信息参考信号(CSI-RS,Channel-State Information Reference Signal)的位置,如:配置周期的CSI-RS位置,或小区专有参考信号(CRS,Cell-specific Reference Signal)中部分时域OFDM符号位置,如:仅检测子帧中第一个OFDM符号上的CRS位置,或者,子帧中每个时隙第一个OFDM符号上的CRS位置,或者,子帧中所有CRS的位置;或CRS中部分端口对应的位置,如:端口0,或者,端口0和端口1;其中,CRS端口限定和时域OFDM符号限定可以结合使用。
在示例1或示例2中,基站通过授权分量载波发送下行控制信息,用户设备在授权分量载波上检测下行控制信息,根据下行控制信息,接收非授权载波上基站发送给自己的数据;下行控制信息包括:非授权分量载波上数据相应的调度信息。
为了避免遇到用户设备检测漏洞和信息不及时等问题,如在基站在非授权频谱资源传输数据给用户设备时,非授权频谱资源对应的状态发生变化,被其他节点用作传输数据,需要增强用户设备的反馈方式,当用户设备接收到来自基站的数据后,不仅反馈混合自动重传请求(HARQ,Hybrid Automatic Repeat Request),还反馈干扰信息或者是否阻止基站进一步调度信息或者建议基站进行延迟调度信息。例如:对于单个码字流数据,可以反馈2比特信息,对应四种状态,ACK+资源可用,NACK+资源可用,ACK+资源不可用,NACK+资源不可用,其中,ACK/NACK是针对基站发送数据的反馈,资源是否可用是针对用户设备当前检测到的资源状态反馈;也可以对应三种状态,ACK+资源可用,NACK+资源可用,NACK+资源不可用;同理,双码字流数据传输时,可以对应4比特,每个码字流对应2比特,也可以每个码字流对应1比特,该资源是否可用对应1比特,共计3比特。
或者将资源指示和功率指示结合,反馈信息包括:ACK/NACK,资源是 否可用,资源可用时是否需要降低发送功率,如:ACK+资源可用+不降低功率,NACK+资源可用+不降低功率,NACK+资源不可用,NACK+资源可用+降低功率。
反馈信息可以通过PUCCH Format 1b反馈,也可以通过PUCCH Format 3反馈。
上述资源是否可用信息可以作为基站后续是否在该非授权频谱资源给用户设备传输数据的判决条件,即:不可用就不能在该非授权频谱资源上传输数据给用户设备,也可以仅是供基站后续在该资源给用户设备传输数据的参考因素,基站可以降低功率和或调整MCS等级后继续传输数据。
基站降低功率可以自主降低,也可以按照预定义规则降低,如:资源不可用时,基站发送给用户设备的数据功率降低到预定值以下,或者,也可以根据接收到的非授权频谱资源不可用次数,逐步降低,如:每收到一次不可用,降低一个等级的发射功率,一个等级可以是3dB,也可以是6dB等其他值。
非授权频谱资源不可用作为硬判决条件可以是收到非授权频谱资源不可用的反馈信息,也可以是当连续收到非授权频谱资源不可用的反馈信息次数大于阈值时。
应用示例3
参见图4,基站检测一非授权分量载波对应的资源是否空闲,当资源空闲时,获取资源,通过获取的资源发送数据给用户设备,数据的下行控制信息通过授权分量载波发送,用户设备在授权分量载波上检测到数据对应的下行控制信息,根据下行控制信息在非授权分量载波对应的资源上接收数据,用户设备检测非授权分量载波对应的资源是否可用,并将检测到的信息和数据是否正确接收的信息反馈给基站,或者,将检测到的信息以CSI的形式和数据相应的ACK/NACK反馈给基站。
用户设备检测的资源可以是基站传输数据对应的资源,也可以是承载数据对应的全带宽的资源,也可以是承载数据对应的子带的资源;
用户设备可以反馈全带宽的状态,也可以反馈最好一个或多个子带的状态,或者,反馈基站指定的子带状态,如:数据对应的子带,或者,数据对应资源的状态。
用户设备可以反馈资源状态的等级,如:将干扰强度量化为几个等级,不同等级对应不同的干扰强度范围,或者,将检测到的能量数值量化为几个等级,不同等级对应不同的范围。
用户设备也可以仅反馈空闲或忙,预定义一个特定阈值,检测值超过该阈值为忙,低于该阈值为空闲;或资源可用和不可用,或检测值是否超过阈值。
检测的资源可以是一个或一个以上子帧上一个或一个以上OFDM符号,检测值可以是一个时间窗内时域上多个检测值的平均,也可以是一个特定时刻的检测值。
资源检测的位置可以是CSI-RS的位置,或者CRS中部分时域OFDM符号位置,如:仅检测子帧中第一个OFDM符号上的CRS位置,或者,子帧中每个时隙第一个OFDM符号上的CRS位置,或者,子帧中所有CRS的位置;或者CRS中部分端口对应的位置,如:端口0,或者,端口0和端口1;或者CRS端口限定和时域OFDM符号限定相结合。
基站在检测的资源位置上不传输数据,预留给用户设备进行资源检测。
检测值代表资源对应的干扰情况,或者,检测值代表资源对应的除基站外的其它传输节点发送的数据能量情况。
CSI可以根据数据相应的参考信号进行测量,或者,根据预定义的测量参考信号(如:传输数据的***带宽上的非零功率的CSI-RS或CRS)进行测量。
反馈方法可以参考示例1中描述的方法,也可以采用ACK/NACK和CSI通过PUCCH Format 3联合反馈,或者,通过特定的PUSCH联合反馈,或者,通过数据对应的下行控制信息指示的反馈信道进行反馈,其中,反馈信道可以是PUCCH,或者,PUSCH。
如果用户设备反馈资源不可用,那么,基站不能在后续特定时间窗内在 资源上传输数据给用户设备,或者,基站根据该信息自主调度,可以继续调度,也可以禁止继续调度,或者,基站在其他资源上继续调度数据给用户设备,或者,基站在用户设备推荐的其他子带上传输数据给用户设备;
如果用户设备反馈资源可用,那么,基站可以在资源上继续调度,也可以在用户设备推荐的其他子带上传输数据给用户设备。
应用示例4
参见图5,基站在非授权分量载波上检测资源是否空闲,当资源空闲时,向用户设备发送触发信令,用户设备接收到触发信令后进行资源检测并向基站发送第二反馈信息,根据用户设备反馈信息确定资源是否可用,当可用时,获取资源,通过获取的资源发送数据给用户设备,数据的下行控制信息通过授权分量载波发送,用户设备在授权分量载波上检测到数据对应的下行控制信息,根据下行控制信息在非授权分量载波的相应资源上接收数据,用户设备检测资源是否可用,并将检测到的信息和数据是否正确接收的信息反馈给基站,或者,将检测到的信息以CSI的形式和数据相应的ACK/NACK反馈给基站,或者,用户设备仅反馈数据相应的ACK/NACK。
基站基于特定的时间窗进行检测,当时间窗内检测值小于阈值时,认为资源空闲,当时间窗内检测值大于等于阈值时,认为资源不可用;
时间窗为连续的时间,可以包括:预定义k毫秒,或者,h个OFDM符号,或者,t微秒,其中,k、h、t为正整数;
用户设备的检测是基于特定资源的检测,特定资源包括:zero-power-CSI-RS,CRS,特定的时域OFDM符号中的一个或多个。
用户设备检测对应于基站发送触发信令对应的时间窗内非授权分量载波的状态。检测到的信息通过授权分量载波反馈,可以使用PUSCH或者PUCCH反馈。
基站发送的触发信令包括:PUSCH对应的调度信息(如上行授权信息DCI Format 0),或者,专有的触发信息(如触发PUCCH反馈的下行控制信息),专有的触发信息包括:反馈信道资源位置信息、反馈模式信息、反馈 分量载波信息、反馈信道发送功率控制信息中的一个或多个。
示例1到示例4各种信息的获取方法可以相结合。
应用示例5
基站在获得资源后会发送占用信号,和/或,用户设备在检测到资源空闲,向基站反馈资源空闲时,会在检测资源上发送临时抢占信号。其中,临时抢占信号可以是专有参考信号;当反馈信息在非授权分量载波上传输时,反馈信息也可以作为占用信号。
基站使用资源传输数据给用户设备的判断条件至少包括:基站检测资源是否空闲,以及用户设备的反馈信息。
应用如下:
当基站检测资源空闲,反馈信息表示资源空闲时,基站获取资源使用权,在资源上传输数据给用户设备;当基站检测资源空闲,反馈信息表示资源忙时,基站不能在资源上传输数据给用户设备;当基站检测资源忙,反馈信息表示资源空闲时,基站在资源上使用BF传输方式传输数据给用户设备;当基站检测资源忙,反馈信息表示资源忙时,基站不能在资源上传输数据给用户设备;
或者,用户设备对特定占位信号进行检测;当基站检测到资源空闲,反馈信息表示未检测到占信号时,基站获取资源使用权,在资源上传输数据给用户设备;当基站检测到资源空闲,反馈信息表示检测到占位信号时,基站不能在资源上传输数据给用户设备;当基站检测到资源忙,反馈信息表示未检测到占位信号时,基站在资源上使用BF传输方式传输数据给用户设备,不能使用全向天线传输的方式传输数据;当基站检测到资源忙,反馈信息表示检测到占位信号时,基站不能在资源上传输数据给用户设备。
实施例三
参见图6,本发明实施例还提出了一种数据传输装置,至少包括判断模块和发送模块,其中:
所述判断模块,设置为根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;将判断结果发送给所述发送模块;
所述发送模块,设置为利用第二预定义时间窗内的资源传输数据给第二传输节点。
本发明实施例的装置中,判断模块还设置为:
根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源不可用,重新确定第一预定义时间窗和第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
本发明实施例的装置中,判断模块还设置为:
根据第一反馈信息判断出第二预定义时间窗内的资源不可用,重新确定第一预定义时间窗和第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
本发明实施例的装置中,当所述判断模块根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用时,所述发送模块在第二预定义时间窗内不传输数据给第二传输节点,或者,所述发送模块在所述判断模块根据第一反馈信息判断出第二预定义时间窗内的资源可用前不再传输数据给第二传输节点。
本发明实施例的装置中,判断模块还设置为:
根据第二反馈信息判断出第二预定义时间窗内的资源不可用;
发送模块还设置为:
在第二预定义时间窗内不传输数据给第二传输节点;或者在判断模块没有收到第一反馈信息,或根据第一反馈信息判断出第二预定义时间窗内的资源可用前不再传输数据给第二传输节点;或者在第二预定义时间窗内再给第二节点传输数据,传输数据的功率比接收到第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
本发明实施例的装置中,判断模块还设置为:
根据第二反馈信息判断出第二预定义时间窗内的资源中用于传输数据的子带不可用;
发送模块还设置为:
在第二预定义时间窗内的资源中的其他子带上传输数据给第二传输节点;当第二反馈信息指示降低发送功率时,在第二预定义时间窗内再给第二节点传输数据,传输数据的功率比接收到第二反馈信息之前传输的数据的功率低。
本发明实施例的装置中,第二预定义时间窗晚于第一预定义时间窗。
本发明实施例的装置中,判断模块还设置为:判断第二预定义时间窗内的资源是否可用;
发送模块还设置为,在所述判断模块判断出所述第二预定义时间窗内的资源可用时,在利用第二预定义时间窗内的资源传输数据给第二传输节点之前,所述发送模块在第二预定义时间窗内传输同步信号和/或广播信道;其中,同步信号在第二预定义时间窗内周期发送,广播信道在第二预定义时间窗的前端或者在发送第一个同步信号后仅发送一次。
例如,同步信号以T毫秒为周期发送,位于第二预定义时间窗的第一个OFDM符号和/或第二个OFDM符号上,广播信道位于同步信道后第1到h个OFDM符号上,h为正整数,T为正整数,T可选5,10;或者,第一传输节点在第二预定义时间窗内传输广播信道,广播信道位于第二预定义时间窗的第1到h个OFDM符号上。
本发明实施例的装置中,第一反馈信息至少包括以下之一:
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值。
本发明实施例的装置中,第二反馈信息至少包括以下之一:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
第二预定义时间窗内的资源对应的***带宽资源的可用信息;
第二预定义时间窗内的资源对应的信道状态信息CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
本发明实施例的装置中,发送模块还设置为:向第二传输节点发送配置信息。
本发明实施例的装置中,配置信息包括检测周期、检测资源对应的信息、频点信息、***带宽、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
本发明实施例的装置中,发送模块还设置为:
在授权分量载波的子帧上向第二传输节点发送配置信息。
本发明实施例的装置中,还包括:
接收模块,设置为在授权资源上接收来自第二传输节点的第一反馈信息;和/或,在授权资源或非授权资源上接收来自第二传输节点的第二反馈信息。
本发明实施例的装置中,接收模块还设置为:
根据配置信息接收第一反馈信息;和/或在传输数据后接收第二反馈信息。
本发明实施例的装置中,发送模块还设置为:当所述第二传输节点在所述配置信息中的检测资源上进行干扰或能量检测时,不在配置信息中的检测 资源上传输数据。
实施例四
参见图7,本发明实施例还提出了一种数据传输装置,至少包括:
接收模块,设置为接收来自第一传输节点的配置信息;
检测模块,设置为根据接收到的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息;以及
发送模块,设置为将获得的反馈信息发送给第一传输节点。
本发明实施例的装置中,配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
本发明实施例的装置中,发送模块是设置为:
在检测模块检测到配置信息中的检测资源空闲、或检测到特定信号、或接收到来自第一传输节点的触发信令时,将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
本发明实施例的装置中,发送模块还设置为:
在接收到数据后传输第二反馈信息给第一传输节点。
本发明实施例的装置中,接收模块还设置为:
在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
例如,第二传输节点以T ms为周期接收同步信号,在第二预定义时间窗的第一个OFDM符号和或第二个OFDM符号上接收同步信号,在同步信道后第1到h个OFDM符号上接收广播信道,h为正整数,T为正整数,T可选5,10;或者,第而传输节点在第二预定义时间窗内接收广播信道,在第二预定义时间窗的第1到h个OFDM符号上接收广播信道。
本发明实施例的装置中,检测模块还设置为:检测配置信息中的状态信息是否为静默状态;
发送模块还设置为:在检测模块检测到所述配置信息中的状态信息为静默状态时,不发送第一反馈信息或第二反馈信息。
本发明实施例的装置中,发送模块是设置为:
在授权分量载波上将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
本发明实施例的装置中,发送模块是设置为:
在授权分量载波的子帧(n+k)上将获得的第一反馈信息或第二反馈信息发送给第一传输节点;其中,n为第一传输节点发送反馈触发信息的子帧或第一传输节点发送数据的子帧,k为1或2或3或4或根据授权分量载波的上下行资源配置确定。
本发明实施例的装置中,发送模块是设置为:
在非授权分量载波上将获得的第一反馈信息或第二反馈信息以广播方式发送。
本发明实施例的装置中,第一反馈信息包括:
配置信息中的检测资源或检测资源对应的***带宽资源是否可用、或对检测资源或检测资源对应的***带宽资源的检测值、或对检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
本发明实施例的装置中,第二反馈信息至少包括以下之一:
确认消息ACK/不确认消息NACK;
第二预定义时间窗的资源占用信息;
在第三预定义时间窗内的资源上检测到特定信号;
第二预定义时间窗内的资源是否可用;
对第三预定义时间窗内的资源的检测值;
对第三预定义时间窗内的资源的检测值是否小于第二阈值;
第二预定义时间窗内的资源对应的***带宽资源的可用信息;
第二预定义时间窗内的资源对应的CSI;
用于传输数据的带宽上的CSI;
检测的信号类型信息;
检测的信号对应的小区标识信息;
发送功率指示;
干扰强度指示。
本发明实施例还提供了一种计算机可续存储介质,计算机可读存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行前述的应用于第一传输节点的信息反馈方法和发送方法。
本领域内的技术人员应明白,本申请的实施例可提供为方法、***、或计算机程序产品。因此,本申请可采用硬件实施例、软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请各实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的 处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
工业实用性
本发明实施例有效利用了第二预定义时间窗内的资源(包括授权频谱资源和非授权频谱资源)进行数据传输,提高了数据传输效率。

Claims (55)

  1. 一种数据传输方法,包括:
    第一传输节点根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;
    第一传输节点利用第二预定义时间窗内的资源传输数据给第二传输节点。
  2. 根据权利要求1所述的数据传输方法,所述方法还包括,
    当所述第一传输节点根据在所述第一预定义时间窗内的资源上进行检测得到的检测值判断出所述第二预定义时间窗内的资源不可用时,所述第一传输节点重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤。
  3. 根据权利要求1所述的数据传输方法,所述方法还包括,
    当所述第一传输节点根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用时,所述第一传输节点重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用的步骤,或者,所述第一传输节点在所述第二预定义时间窗内不传输数据给所述第二传输节点,或者,根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点。
  4. 根据权利要求1所述的数据传输方法,所述方法还包括,当所述第一传输节点根据所述第二反馈信息判断出所述第二预定义时间窗内的资源不可用时,
    所述第一传输节点在所述第二预定义时间窗内不传输数据给所述第二传输节点;
    或者所述第一传输节点在没有收到所述第一反馈信息,或根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点;
    或者所述第一传输节点在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
  5. 根据权利要求1所述的数据传输方法,所述方法还包括,
    当所述第一传输节点根据所述第二反馈信息判断出所述第二预定义时间窗内的资源中用于传输数据的子带不可用时,所述第一传输节点在所述第二预定义时间窗内的资源中的其他子带上传输数据给所述第二传输节点;
    当所述第二反馈信息指示降低发送功率时,所述第一传输节点在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低。
  6. 根据权利要求1~5任意一项所述的数据传输方法,其中,所述第二预定义时间窗晚于所述第一预定义时间窗。
  7. 根据权利要求1~5任意一项所述的数据传输方法,其中,所述第一传输节点根据配置信息接收所述第一反馈信息;和/或所述第一传输节点在传输数据后接收所述第二反馈信息。
  8. 根据权利要求1~5任意一项所述的数据传输方法,当所述第二预定义时间窗内的资源可用时,在所述第一传输节点利用所述第二预定义时间窗内的资源传输数据给所述第二传输节点之前,所述方法还包括:
    所述第一传输节点在所述第二预定义时间窗内传输同步信号和/或广播信道;其中,所述同步信号在所述第二预定义时间窗内周期发送,所述广播信道在所述第二预定义时间窗的前端或者在发送第一个所述同步信号后仅发送一次。
  9. 根据权利要求1~5任意一项所述的数据传输方法,其中,所述第一反馈信息包括以下之一:
    所述第二预定义时间窗内的资源是否可用;
    对第三预定义时间窗内的资源的检测值;
    对第三预定义时间窗内的资源的检测值是否小于第二阈值。
  10. 根据权利要求1~5任意一项所述的数据传输方法,其中,所述第二 反馈信息包括以下之一:
    确认消息ACK/不确认消息NACK;
    所述第二预定义时间窗的资源占用信息;
    在所述第三预定义时间窗内的资源上检测到特定信号;
    所述第二预定义时间窗内的资源是否可用;
    对所述第三预定义时间窗内的资源的检测值;
    对所述第三预定义时间窗内的资源的检测值是否小于第二阈值;
    所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
    所述第二预定义时间窗内的资源对应的信道状态信息CSI;
    用于传输数据的带宽上的CSI;
    检测的信号类型信息;
    检测的信号对应的小区标识信息;
    发送功率指示;
    干扰强度指示。
  11. 根据权利要求1~5任意一项所述的数据传输方法,该方法之前还包括:
    所述第一传输节点向所述第二传输节点发送配置信息。
  12. 根据权利要求11所述的数据传输方法,其中,所述配置信息包括检测周期、检测资源对应的信息、频点信息、***带宽、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
  13. 根据权利要求11所述的数据传输方法,其中,所述第一传输节点在授权分量载波的子帧上向所述第二传输节点发送配置信息。
  14. 根据权利要求1~5任意一项所述的数据传输方法,其中,所述第一传输节点在授权资源上接收来自所述第二传输节点的第一反馈信息;和/或所述第一传输节点在授权资源或非授权资源上接收来自所述第二传输节点的第二反馈信息。
  15. 根据权利要求12所述的数据传输方法,其特征在于,当所述第二传输节点在所述配置信息中的检测资源上进行干扰或能量检测时,所述第一传输节点不在所述配置信息中的检测资源上传输数据。
  16. 一种数据传输方法,包括:
    第二传输节点根据接收到来自第一传输节点的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或第二传输节点在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息,将获得的第一反馈信息或第二反馈信息发送给第一传输节点。
  17. 根据权利要求16所述的数据传输方法,其中,所述配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
  18. 根据权利要求17所述的数据传输方法,其中,所述第二传输节点在检测到所述配置信息中的检测资源空闲、或检测到特定信号、或接收到来自所述第一传输节点的触发信令时,将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
  19. 根据权利要求16所述的数据传输方法,所述方法还包括,所述第二传输节点在接收到数据后传输所述第二反馈信息给所述第一传输节点。
  20. 根据权利要求16所述的数据传输方法,该方法还包括:
    所述第二传输节点在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在所述第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
  21. 根据权利要求16所述的数据传输方法,其中,所述配置信息包括所述第一传输节点当前所处的状态信息;
    所述方法还包括:当所述第二传输节点检测到所述配置信息中的状态信息为静默状态时,所述第二传输节点不发送所述第一反馈信息或第二反馈信息。
  22. 根据权利要求16所述的数据传输方法,其中,所述第二传输节点在授权分量载波上将所述获得的第一反馈信息或第二反馈信息发送给所述第一 传输节点。
  23. 根据权利要求22所述的数据传输方法,其中,所述第二传输信息在授权分量载波的子帧(n+k)上将获得的第一反馈信息或第二反馈信息发送给所述第一传输节点;
    其中,n为所述第一传输节点发送反馈触发信息的子帧或所述第一传输节点发送数据的子帧,k为1或2或3或4或根据所述授权分量载波的上下行资源配置确定。
  24. 根据权利要求16所述的数据传输方法,其中,所述第二传输节点在非授权分量载波上将所述获得的第一反馈信息或第二反馈信息以广播方式发送。
  25. 根据权利要求16所述的数据传输方法,其中,所述第一反馈信息包括:
    所述配置信息中的检测资源或所述检测资源对应的***带宽资源是否可用、或对所述检测资源或检测资源对应的***带宽资源的检测值、或对所述检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
  26. 根据权利要求16所述的数据传输方法,其中,所述第二反馈信息包括以下之一:
    确认消息ACK/不确认消息NACK;
    第二预定义时间窗的资源占用信息;
    在第三预定义时间窗内的资源上检测到特定信号;
    第二预定义时间窗内的资源是否可用;
    对第三预定义时间窗内的资源的检测值;
    对第三预定义时间窗内的资源的检测值是否小于第二阈值;
    所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
    所述第二预定义时间窗内的资源对应的CSI;
    用于传输数据的带宽上的CSI;
    检测的信号类型信息;
    检测的信号对应的小区标识信息;
    发送功率指示;
    干扰强度指示。
  27. 一种数据传输装置,包括判断模块和发送模块,其中:
    所述判断模块,设置为根据在第一预定义时间窗内的资源上进行检测得到的检测值判断出第二预定义时间窗内的资源可用,和/或根据来自第二传输节点的第一反馈信息或第二反馈信息判断出第二预定义时间窗内的资源可用;将判断结果发送给所述发送模块;
    所述发送模块,设置为利用第二预定义时间窗内的资源传输数据给第二传输节点。
  28. 根据权利要求27所述的装置,所述判断模块还设置为:
    根据在所述第一预定义时间窗内的资源上进行检测得到的检测值判断出所述第二预定义时间窗内的资源不可用,重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
  29. 根据权利要求27所述的装置,所述判断模块还设置为:
    根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用,重新确定所述第一预定义时间窗和所述第二预定义时间窗,继续执行判断重新确定的第二预定义时间窗内的资源是否可用。
  30. 根据权利要求27所述的装置,所述发送模块还设置为:
    当所述判断模块根据所述第一反馈信息判断出所述第二预定义时间窗内的资源不可用时,所述发送模块在所述第二预定义时间窗内不传输数据给所述第二传输节点,或者,
    所述发送模块在所述判断模块根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点。
  31. 根据权利要求27所述的装置,
    所述判断模块还设置为:根据所述第二反馈信息判断出所述第二预定义 时间窗内的资源不可用;
    所述发送模块还设置为:在所述第二预定义时间窗内不传输数据给所述第二传输节点;或者在所述判断模块没有收到所述第一反馈信息,或根据所述第一反馈信息判断出所述第二预定义时间窗内的资源可用前不再传输数据给所述第二传输节点;或者在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低,或降低传输数据的功率到特定值。
  32. 根据权利要求27所述的装置,
    所述判断模块还设置为:根据所述第二反馈信息判断出所述第二预定义时间窗内的资源中用于传输数据的子带不可用;
    所述发送模块还设置为:在所述第二预定义时间窗内的资源中的其他子带上传输数据给所述第二传输节点;当所述第二反馈信息指示降低发送功率时,在所述第二预定义时间窗内再给所述第二节点传输数据,传输数据的功率比接收到所述第二反馈信息之前传输的数据的功率低。
  33. 根据权利要求27~32任意一项所述的装置,其中,所述第二预定义时间窗晚于所述第一预定义时间窗。
  34. 根据权利要求27~32任意一项所述的装置,
    所述判断模块还设置为:判断所述第二预定义时间窗内的资源是否可用;
    所述发送模块还设置为,在所述判断模块判断出所述第二预定义时间窗内的资源可用时,在利用所述第二预定义时间窗内的资源传输数据给所述第二传输节点之前,所述发送模块在所述第二预定义时间窗内传输同步信号和/或广播信道;其中,所述同步信号在所述第二预定义时间窗内周期发送,所述广播信道在所述第二预定义时间窗的前端或者在发送第一个所述同步信号后仅发送一次。
  35. 根据权利要求27~32任意一项所述的装置,其中,所述第一反馈信息包括以下之一:
    所述第二预定义时间窗内的资源是否可用;
    对第三预定义时间窗内的资源的检测值;
    对第三预定义时间窗内的资源的检测值是否小于第二阈值。
  36. 根据权利要求27~32任意一项所述的装置,其中,所述第二反馈信息包括以下之一:
    确认消息ACK/不确认消息NACK;
    所述第二预定义时间窗的资源占用信息;
    在第三预定义时间窗内的资源上检测到特定信号;
    所述第二预定义时间窗内的资源是否可用;
    对第三预定义时间窗内的资源的检测值;
    对第三预定义时间窗内的资源的检测值是否小于第二阈值;
    所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
    所述第二预定义时间窗内的资源对应的信道状态信息CSI;
    用于传输数据的带宽上的CSI;
    检测的信号类型信息;
    检测的信号对应的小区标识信息;
    发送功率指示;
    干扰强度指示。
  37. 根据权利要求27~32任意一项所述的装置,所述发送模块还设置为:
    向所述第二传输节点发送配置信息。
  38. 根据权利要求37所述的装置,其中,所述配置信息包括检测周期、检测资源对应的信息、频点信息、***带宽、***带宽、检测资源对应的参考信号的时频位置、反馈方式信息、反馈触发信息中的一个或多个。
  39. 根据权利要求37所述的装置,所述发送模块还设置为:
    在授权分量载波的子帧上向所述第二传输节点发送配置信息。
  40. 根据权利要求27~32任意一项所述的装置,所述装置还包括:
    接收模块,设置为在授权资源上接收来自所述第二传输节点的第一反馈信息;和/或
    在授权资源或非授权资源上接收来自所述第二传输节点的第二反馈信息。
  41. 根据权利要求40所述的装置,所述接收模块是设置为:
    根据配置信息接收所述第一反馈信息;和/或在传输数据后接收所述第二反馈信息。
  42. 根据权利要求38所述的数据传输装置,
    所述发送模块还设置为:当所述第二传输节点在所述配置信息中的检测资源上进行干扰或能量检测时,不在所述配置信息中的检测资源上传输数据。
  43. 一种数据传输装置,包括:
    接收模块,设置为接收来自第一传输节点的配置信息;
    检测模块,设置为根据接收到的配置信息在第一预定义的时间窗内的资源上进行检测,获得第一反馈信息,或在第一传输节点传输数据对应的资源上进行检测,获得第二反馈信息;以及
    发送模块,设置为将获得的反馈信息发送给第一传输节点。
  44. 根据权利要求43所述的数据传输装置,其中,所述配置信息包括检测周期、检测资源相关信息、频点信息、***带宽、反馈方式、检测资源对应的参考信号的时频位置、反馈触发信息中的一个或多个。
  45. 根据权利要求44所述的数据传输装置,所述发送模块是设置为:
    在所述检测模块检测到所述配置信息中的检测资源空闲、或检测到特定信号、或接收到来自所述第一传输节点的触发信令时,将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
  46. 根据权利要求43所述的数据传输装置,所述发送模块还设置为:
    在接收到数据后传输所述第二反馈信息给所述第一传输节点。
  47. 根据权利要求43所述的数据传输装置,所述接收模块还设置为:
    在第二预定义时间窗内接收同步信号和/或广播信道;其中,在第二预定义时间窗内周期接收同步信号,在所述第二预定义时间窗的前端或者在接收第一个同步信号后仅接收一次广播信道。
  48. 根据权利要求43所述的数据传输装置,
    所述检测模块还设置为:检测所述配置信息中的状态信息是否为静默状态;
    所述发送模块还设置为:在检测模块检测到所述配置信息中的状态信息为静默状态时,不发送所述第一反馈信息或第二反馈信息。
  49. 根据权利要求43所述的数据传输装置,所述发送模块是设置为:
    在授权分量载波上将所述获得的第一反馈信息或第二反馈信息发送给所述第一传输节点。
  50. 根据权利要求43所述的数据传输装置,所述发送模块是设置为:
    在授权分量载波的子帧(n+k)上将获得的第一反馈信息或第二反馈信息发送给所述第一传输节点;其中,n为所述第一传输节点发送反馈触发信息的子帧或所述第一传输节点发送数据的子帧,k为1或2或3或4或根据所述授权分量载波的上下行资源配置确定。
  51. 根据权利要求43所述的数据传输装置,所述发送模块是设置为:
    在非授权分量载波上将所述获得的第一反馈信息或第二反馈信息以广播方式发送。
  52. 根据权利要求43所述的数据传输装置,其中,所述第一反馈信息包括:
    所述配置信息中的检测资源或所述检测资源对应的***带宽资源是否可用、或对所述检测资源或检测资源对应的***带宽资源的检测值、或对所述检测资源或检测资源对应的***带宽资源的检测值是否小于第二阈值。
  53. 根据权利要求43所述的数据传输装置,其中,所述第二反馈信息包括以下之一:
    确认消息ACK/不确认消息NACK;
    第二预定义时间窗的资源占用信息;
    在第三预定义时间窗内的资源上检测到特定信号;
    第二预定义时间窗内的资源是否可用;
    对第三预定义时间窗内的资源的检测值;
    对第三预定义时间窗内的资源的检测值是否小于第二阈值;
    所述第二预定义时间窗内的资源对应的***带宽资源的可用信息;
    所述第二预定义时间窗内的资源对应的CSI;
    用于传输数据的带宽上的CSI;
    检测的信号类型信息;
    检测的信号对应的小区标识信息;
    发送功率指示;
    干扰强度指示。
  54. 一种计算机可读存储介质,存储有程序指令,当该程序指令被执行时可实现权利要求1-14任一项所述的方法。
  55. 一种计算机可读存储介质,存储有程序指令,当该程序指令被执行时可实现权利要求15-26任一项所述的方法。
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