WO2017133266A1 - 确定竞争窗信息的方法和装置 - Google Patents

确定竞争窗信息的方法和装置 Download PDF

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Publication number
WO2017133266A1
WO2017133266A1 PCT/CN2016/101226 CN2016101226W WO2017133266A1 WO 2017133266 A1 WO2017133266 A1 WO 2017133266A1 CN 2016101226 W CN2016101226 W CN 2016101226W WO 2017133266 A1 WO2017133266 A1 WO 2017133266A1
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WO
WIPO (PCT)
Prior art keywords
uplink
subframe
burst
uplink burst
cws
Prior art date
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PCT/CN2016/101226
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English (en)
French (fr)
Inventor
李�远
官磊
马莎
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP16889077.0A priority Critical patent/EP3404988B1/en
Priority to BR112018015780A priority patent/BR112018015780A2/pt
Priority to EP20152772.8A priority patent/EP3726917B1/en
Priority to JP2018540774A priority patent/JP6633221B2/ja
Priority to KR1020187024945A priority patent/KR102216257B1/ko
Priority to CN201680079898.3A priority patent/CN108605353B/zh
Priority to ES16889077T priority patent/ES2794923T3/es
Publication of WO2017133266A1 publication Critical patent/WO2017133266A1/zh
Priority to US16/054,140 priority patent/US10820345B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for determining contention window information in the field of communications.
  • LAA-LTE Licensed-Assisted Access Using Long Term Evolution
  • CA Carrier Aggregation
  • the licensed spectrum is used to achieve seamless coverage and to carry services with high delay requirements.
  • the unlicensed spectrum carries part of the data service.
  • the unlicensed spectrum has the advantages of low cost and rich bandwidth compared to the licensed spectrum, on the same unlicensed carrier, other wireless communication systems such as 802.11 represented by Wi-Fi may work, due to Wi-Fi equipment and The LAA devices may not be deployed by the same carrier, and thus cannot be planned and deployed uniformly. At the same time, these sending nodes may have lower geographical isolation, and the interference of wireless signal interference is more serious than that between different devices of the same carrier.
  • the LAA system can use the Listen-Before-Talk (LBT) channel access mechanism to utilize Clear Channel Assessment.
  • LBT Listen-Before-Talk
  • CCA Clear Channel Assessment
  • the WiFi system and the LAA downlink transmission adopt a random back-based listening mechanism.
  • the sending node generates a random integer M between 1 and p before each data transmission.
  • the integer p is the contention window size (referred to as “Contention Window Size”). CWS”), and then continuously perform channel sensing with the granularity of the listening time slot. If the channel is idle in the current listening time slot, M is decremented by one until the transmitting node sends a signal immediately after M falls to zero;
  • the transmitting node dynamically adjusts the CWS according to the received ACK/NACK information before the interception, and can increase the CWS when the network is heavily congested, so as to alleviate different sending nodes to fall back to zero and send information to cause collision, thereby introducing heavy interference. Case.
  • the LAA uplink transmission can also adopt a random back-off based listening mechanism and a dynamically adjusted CWS.
  • a random back-off based listening mechanism and a dynamically adjusted CWS.
  • how to design a reasonable LAA uplink CWS adjustment scheme is urgently needed to be solved. problem.
  • the embodiment of the invention provides a method and a device for determining the contention window information, so that the user equipment (User Equipment, referred to as "UE") can obtain suitable contention window information, thereby implementing a fair channel through random backoff channel sensing. Access.
  • UE User Equipment
  • an embodiment of the present invention provides a method for determining contention window information, where the method includes:
  • the contention window information includes a time of the contention window length CWS or the contention window or signaling indicating that the UE triggers the CWS adjustment;
  • each of the at least one control signaling including contention window information or idle channel evaluation generated based on contention window information ( Clear Channel Assessment (“CCA”) refers to the initial value of the backoff counter;
  • CCA Clear Channel Assessment
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • the base station can determine the contention window information of the second uplink burst of the UE by referring to the receiving state of the subframe, so that the UE can obtain the appropriate contention window information, thereby enabling Randomly back-off channel sensing for fair channel access.
  • the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the first uplink burst is that each uplink subframe is that the base station detects the first uplink burst sent by the UE.
  • the reference subframe is that, in the first uplink burst, the base station detects at least one uplink subframe sent by the UE.
  • the reference subframe is an uplink subframe in which at least one of the first uplink bursts completes the base station reception state detection.
  • the reference subframe is at least one uplink subframe in each of the first uplink bursts of the at least one first uplink burst that is closest to the control signaling before the control signaling is sent to the UE.
  • the reference subframe is, in a first uplink burst, in each of the at least one first uplink burst that is closest to the control signaling, in a predefined time window, before the control signaling is sent to the UE.
  • each of the first uplink bursts from the start time of the change of the CWS of the first uplink burst to the time of the transmission control signaling At least one uplink subframe in an uplink burst, where the CWS sends the changed first uplink burst to the first uplink burst of the CWS transmission change that is closest to the control signaling.
  • the reference subframe is all uplink subframes or the first uplink subframe or the last uplink subframe in each of the at least one first uplink burst.
  • determining contention window information of the second uplink burst of the user equipment UE including:
  • the CWS is increased, otherwise the CWS is decreased.
  • determining the contention window information of the second uplink burst of the UE further includes:
  • the CWS when the number of uplink subframes whose reception status is incorrect is greater than the first preset threshold, the CWS is increased; when the number of uplink subframes whose reception state is incorrect is less than the first preset threshold, the CWS is decreased; When the number of uplink subframes whose reception status is incorrect is equal to the first preset threshold, increase or decrease the CWS; or,
  • the CWS when the ratio of the number of uplink subframes whose reception status is incorrect to the total number of uplink subframes is greater than the second preset threshold, the CWS is increased; when the reception state is the wrong number of uplink subframes and all uplink subframes When the ratio of the number of frames is less than the second preset threshold, the CWS is decreased; when the ratio of the number of uplink subframes with the wrong reception state to the total number of uplink subframes is equal to the second preset threshold, the CWS is increased or decreased.
  • the first preset threshold and/or the second preset threshold may be protocol pre-defined. In this way, without a complicated calculation process, it can be based on a predefined first preset threshold or a second preset threshold.
  • the size relationship determines the CWS adjustment, which reduces the computational cost and thus improves efficiency.
  • the method further includes:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • an embodiment of the present invention provides a method for determining contention window information, where the method includes:
  • each control signaling in the at least one control signaling includes a contention window information or an idle channel evaluation generated based on the contention window information.
  • the CCA back-off counter initial value or Hybrid Automatic Repeat reQuest (HARQ) indicates that the contention window information includes the time of the contention window length CWS or the contention window or the signaling indicating that the user equipment UE triggers the CWS adjustment;
  • determining an initial value of the CCA backoff counter of the second uplink burst including:
  • determining an initial value of the CCA backoff counter of the second uplink burst further comprising:
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the first uplink burst is that each uplink subframe is a first uplink burst sent by the UE.
  • the reference subframe is at least one uplink subframe sent by the UE in the first uplink burst.
  • the reference subframe is at least one uplink subframe in which the UE acquires the receiving state in the first uplink burst.
  • the reference subframe is: at least one uplink of each of the first uplink bursts in the at least one first uplink burst that is closest to the control signaling before the receiving base station sends the control signaling for the second uplink burst. Subframe.
  • the reference subframe is, in a predefined time window, before the receiving base station sends the control signaling for the second uplink burst, the first one of the at least one first uplink burst that is closest to the control signaling At least one uplink subframe in the uplink burst, where the end time of the time window is a start time at which the base station sends control signaling to the UE,
  • the reference subframe is, before the receiving base station sends the control signaling for the second uplink burst, from the start time of the CWS change of the first uplink burst to all the first uplink bursts closest to the distance control signaling. At least one uplink subframe in each of the first uplink bursts, wherein the CWS sends the changed first uplink burst to be the closest to the distance control signaling before the receiving base station sends control signaling for the second uplink burst The CWS sends the changed first upstream burst.
  • the reference subframe is at least one of each of the first uplink bursts in the at least one first uplink burst that is closest to the start time of the second uplink burst before the UE sends the second uplink burst.
  • Uplink subframe is at least one of each of the first uplink bursts in the at least one first uplink burst that is closest to the start time of the second uplink burst before the UE sends the second uplink burst.
  • the reference subframe is, in a predefined time window, before the second uplink burst is sent by the UE, each of the at least one first uplink burst that is closest to the start time of sending the second uplink burst At least one uplink subframe in an uplink burst, where an end time of the time window is a start time of a second uplink burst of the UE,
  • the reference subframe is a CWS from the first uplink burst before the UE sends the second uplink burst. At least one uplink subframe in each of the first uplink bursts in the first uplink burst between the start time of the change and the start time of the second uplink burst, where the CWS sends the changed first
  • the uplink burst is that the CWS that is closest to the start time of the second uplink burst sends the changed first uplink burst before the UE sends the second uplink burst.
  • the reference subframe is at least one uplink subframe in each of the at least one first uplink burst that is closest to the predefined time before the predefined time, and the predefined time is on the second uplink. Before the start of the burst.
  • the reference subframe is an end of the time window in at least one uplink subframe of each of the at least one first uplink burst that is closest to the predefined time in a predefined time window.
  • the moment is a predefined moment
  • the reference subframe is, before the predefined time, from the start time of the change of the CWS of the first uplink burst to the start of each of the first uplink bursts in all the first uplink bursts between the predefined times At least one uplink subframe, wherein the first uplink burst in which the CWS changes is a first uplink burst in which the CWS closest to the predefined time changes before the predefined time.
  • the reference subframe is all uplink subframes or the first uplink subframe or the last uplink subframe in each of the at least one first uplink burst.
  • determining the CWS of the second uplink burst includes:
  • the HARQ indication is an initial transmission indication, reducing the CWS
  • the HARQ indication for each uplink subframe in the reference subframe is not received, but the HARQ indication of at least one uplink subframe in the received reference subframe, and the HARQ indication is an initial indication, remains unchanged or subtracted Small CWS;
  • the CWS remains unchanged or decreased.
  • determining the CWS of the second uplink burst further includes:
  • the HARQ When receiving a HARQ indication for at least one uplink subframe in the reference subframe, and the HARQ indicates that the number of uplink subframes that are retransmitted is greater than or equal to the first preset threshold, increasing the CWS;
  • the CWS is increased
  • the HARQ indication for at least one uplink subframe in the reference subframe is received, and the HARQ indication is that the number of uplink subframes that are initially transmitted is greater than or equal to a third preset threshold, then reducing the CWS;
  • the CWS remains unchanged or decreased.
  • the method further includes: determining a CWS of the third uplink burst of the UE according to the reference subframe before determining the CWS of the second uplink burst;
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • the time interval between the at least one uplink subframe in the third uplink burst and the first uplink subframe in the second uplink burst is smaller than the first preset time length.
  • the time when the UE receives the uplink grant UL grant is earlier than the at least one uplink subframe in the third uplink burst;
  • the time interval between the time when the UE receives the UL grant is earlier than the at least one uplink subframe in the third uplink burst, and the time interval between the at least one uplink subframe in the third uplink burst and the time when the UE receives the UL grant is less than the Two preset time lengths;
  • the UL grant is the UL grant that is closest to the second uplink burst and received by the UE before the second uplink burst.
  • the third aspect provides an apparatus for determining contention window information, including a determining unit, configured to determine, according to a receiving state of a reference subframe, contention window information of a second uplink burst of the user equipment UE, where the contention window information includes The time of the competition window length CWS or the contention window or the signaling indicating that the UE triggers the CWS adjustment;
  • each control signaling in the at least one control signaling includes contention window information or idleness generated based on contention window information Channel evaluation CCA backoff counter initial value;
  • a sending unit configured to send at least one control signaling to the UE
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • the apparatus is for performing the method of determining contention window information in any of the first aspect or any of the possible implementations of the first aspect.
  • the device can be a base station.
  • the fourth aspect provides an apparatus for determining contention window information, where the apparatus is a user equipment, the apparatus includes: a receiving unit, configured to receive, by the base station, scheduling, for at least one uplink subframe in the second uplink burst. At least one control signaling, each of the at least one control signaling includes a contention window information or an idle channel evaluation CCA backoff counter initial value or a hybrid automatic retransmission HARQ indication generated based on the contention window information, and the contention window information includes The time of the competition window length CWS or the contention window or the signaling indicating that the user equipment UE triggers the CWS adjustment;
  • a determining unit configured to determine, according to the at least one control signaling, an initial value of a CCA backoff counter of the second uplink burst
  • the processing unit performs CCA on the second uplink burst according to the initial value of the CCA backoff counter of the second uplink burst.
  • the apparatus is for performing the method of determining contention window information in any of the possible implementations of the second aspect or the second aspect above.
  • the device can be a user device.
  • an apparatus for determining contention window information comprising: a receiver, a transmitter, a memory, a processor, and a bus system.
  • the receiver, the transmitter, the memory and the processor are connected by the bus system, the memory is for storing instructions for executing the instructions stored by the memory to control the receiver to receive signals and control the sending
  • the transmitter transmits a signal, and when the processor executes the memory stored instructions, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • an apparatus for determining contention window information comprising: a receiver, a transmitter, a memory, a processor, and a bus system.
  • the receiver, the transmitter, the memory and the processor are connected by the bus system, the memory is for storing instructions for executing the instructions stored by the memory to control the receiver to receive signals and control the sending
  • the transmitter transmits a signal, and when the processor executes the memory stored instructions, the execution causes the processor to perform the method of any of the second aspect or any of the possible implementations of the second aspect.
  • a computer readable medium for storing a computer program, the calculation The machine program includes instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a computer readable medium for storing a computer program comprising instructions for performing the method of the second aspect or any of the possible implementations of the second aspect.
  • the base station can determine the contention window information of the second uplink burst of the UE by referring to the receiving state of the subframe, so that the UE can obtain the appropriate contention window information, thereby Fair channel access can be achieved through random back-off channel interception.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for determining contention window information according to an embodiment of the present invention.
  • FIG. 3 is another schematic diagram of a method of determining a length of a contention window in accordance with an embodiment of the present invention.
  • 4(a) and 4(b) are another schematic diagrams of a method of determining a length of a contention window in accordance with an embodiment of the present invention.
  • FIG. 5 is another schematic diagram of a method of determining a length of a contention window in accordance with an embodiment of the present invention.
  • 6(a) to 6(c) are another schematic diagrams of a method of determining a length of a contention window according to an embodiment of the present invention.
  • 7(a) to 7(c) are another schematic diagrams of a method of determining a length of a contention window according to an embodiment of the present invention.
  • 8(a) to 8(d) are still further schematic views of a method of determining a length of a contention window according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a first uplink burst according to an embodiment of the present invention.
  • FIG. 10 is another schematic diagram of a first uplink burst according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of an uplink subframe reception state according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of an uplink subframe reception detection delay according to an embodiment of the present invention.
  • FIG. 13(a) to 13(c) are schematic diagrams of reference subframes according to an embodiment of the present invention.
  • 14(a) to 14(c) are another schematic diagrams of reference subframes according to an embodiment of the present invention.
  • FIG. 15 is another schematic diagram of a reference subframe according to an embodiment of the present invention.
  • 16(a) to 16(c) are another schematic diagrams of a reference subframe according to an embodiment of the present invention.
  • 17(a) to 17(c) are another schematic diagrams of a reference subframe according to an embodiment of the present invention.
  • FIG. 18 is still another schematic diagram of a reference subframe according to an embodiment of the present invention.
  • Figure 19 is a schematic block diagram of an apparatus for determining contention window information in accordance with an embodiment of the present invention.
  • 20 is another schematic block diagram of an apparatus for determining contention window information according to an embodiment of the present invention.
  • 21 is another schematic block diagram of an apparatus for determining contention window information according to an embodiment of the present invention.
  • Figure 22 is still another schematic block diagram of an apparatus for determining contention window information in accordance with an embodiment of the present invention.
  • 23(a) to 23(c) are still further schematic views of a reference subframe according to an embodiment of the present invention.
  • FIG. 1 shows a communication system 100 to which an embodiment of the present invention is applied.
  • the communication system 100 can include at least one network device 110.
  • Network device 100 may be a device that communicates with a terminal device, such as a base station or base station controller or the like.
  • Each network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area (cell).
  • terminal devices e.g., UEs
  • the network device 100 may be a base station (Base Transceiver Station, abbreviated as "BTS”) in a GSM system or a Code Division Multiple Access (“CDMA”) system, or may be a base station in a WCDMA system (
  • the NodeB (abbreviated as “NB") may also be an evolved base station (Evolutional Node B, referred to as “eNB” or “eNodeB”) in the LTE system, or a Cloud Radio Access Network (Cloud Radio Access Network, referred to as
  • the wireless controller in "CRAN” or the network device can be a relay station, an access point, an in-vehicle device, a wearable device, a network side device in a future 5G network, or a future evolved public land mobile network (Public Land Mobile Network) Network devices in the "PLMN" for short.
  • PLMN Public Land Mobile Network
  • the communication system 100 may be a cellular Internet of Things (Cellular IoT, referred to as "CIoT"), which is an important type of machine type communication based on the existing cellular network infrastructure (Machine Type Communication, Referred to as "MTC" communication system.
  • MTC Mobile Type Communication
  • the main business scope of IoT communication may include smart meter reading, medical inspection and monitoring, logistics detection, industrial inspection and monitoring, automotive networking, smart community and wearable device communication.
  • the Internet of Things industry built around MTC communication is considered to be the fourth wave of the information industry after the computer, Internet and mobile communication networks, and is the future development direction of the network.
  • the CIoT system has large coverage, high connectivity, low cost and low power consumption for networks and end devices.
  • the wireless communication system 100 also includes a plurality of terminal devices 120 located within the coverage of the network device 110.
  • the terminal device 120 can be mobile or fixed.
  • the terminal device 120 can refer to an access terminal, a user equipment (User Equipment, abbreviated as "UE"), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device User agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol ("SSIP”) phone, a Wireless Local Loop (WLL) station, and a personal digital processing (Personal Digital) Assistant, referred to as "PDA"), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a future 5G network, or a future evolving public land mobile A terminal device or the like in a network (Public Land Mobile Network, abbreviated as "PLMN").
  • PLMN Public Land Mobile Network
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device, the present invention The embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like, and the embodiment of the present invention is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like, and the embodiment of the present invention is not limited thereto.
  • the application scenario of the embodiment of the present invention may be in an LTE system on an unlicensed spectrum, such as an LAA-LTE system.
  • the sending node may aggregate multiple carriers by using the CA technology, for example, aggregating the unlicensed carrier and the authorized carrier, or aggregating the unlicensed carrier and the unlicensed carrier.
  • the carrier allocation scenario includes the following three types:
  • Authorized spectrum and unlicensed spectrum co-site deployment that is, the licensed spectrum and the unlicensed spectrum are aggregated by the same transmitting node, which sets the authorized carrier to PCC and the unlicensed carrier to SCC.
  • the licensed spectrum and the unlicensed spectrum are deployed in a non-co-located area.
  • the licensed spectrum is deployed in the macro base station, and the unlicensed spectrum is deployed on the low-power node.
  • the low-power node may include a micro cell or a pico cell. , a femto cell, a remote radio head, Relay, etc., the macro base station and the low power node are connected by an ideal or non-ideal backhaul link.
  • the unlicensed spectrum is deployed independently on the transmitting node, ie the transmitting node only uses the unlicensed spectrum and does not use the licensed spectrum.
  • the network element involved in the embodiment of the present invention mainly refers to a base station and a UE that can work on an unlicensed spectrum
  • the base station can be a macro base station, a micro cell, a pico cell, a home base station, a remote radio head, and a relay.
  • the UE can be a mobile phone, a notebook computer that can access the LTE system, a tablet computer, and the like, and the present invention does not impose any limitation.
  • the embodiment of the present invention is only described by taking the LAA-LTE system as an example, but the present invention is not limited thereto, and the method and apparatus according to the embodiment of the present invention may also be applied to other communication systems; similarly, the embodiment of the present invention
  • the Evolved Node B (e-NB or e-NodeB) and the UE are also described as an example, but the present invention is not limited thereto.
  • FIG. 2 is a schematic flowchart of a method for determining contention window information according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • the base station determines, according to the receiving state of the reference subframe, the contention window information of the second uplink burst of the UE, where the contention window information is the time of the CWS or the contention window or the signaling indicating that the UE triggers the CWS adjustment.
  • the base station may determine, by using a check code of a Cyclic Redundancy Check (CRC) in the reference subframe, a receiving state of each uplink subframe in the reference subframe sent by the UE, If the check code is correct, the base station determines that the reception is correct, that is, the correct (ACK) state. If the check code is incorrect, the base station determines the reception error, that is, the error (NACK) state.
  • CRC Cyclic Redundancy Check
  • the reference subframe may be at least one uplink subframe in the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in The second uplink burst includes at least one uplink subframe, and the first uplink burst includes at least one uplink subframe.
  • any two adjacent uplink subframes of the at least two uplink subframes may be consecutive in time or may be discontinuous in time; if the first uplink burst includes At least two uplink subframes, any two adjacent uplink subframes of the at least two uplink subframes may be consecutive in time or discontinuous in time.
  • the first uplink burst may be temporally consecutive with the previous or subsequent uplink subframes, that is, a series of consecutive consecutive uplink subframe sets.
  • the consecutive uplink sub-frames of the time period may not be consecutive with the previous and subsequent uplink subframes, that is, the first uplink burst and the uplink subframe after the first uplink burst are not consecutive in time;
  • the uplink subframes before the second uplink burst and the second uplink burst are not consecutive in time, and the uplink subframes after the second uplink burst and the second uplink burst are not consecutive in time;
  • the second uplink burst may be
  • the upstream bursts prior to the second uplink burst may be collectively referred to as the first uplink burst.
  • the base station generates at least one control signaling that is scheduled for at least one uplink subframe in the second uplink burst, where each control signaling in the at least one control signaling includes a contention window information or a CCA back generated based on the contention window information.
  • the initial value of the counter is the initial value of the counter.
  • the contention window information may be the time of the CWS or the contention window or the signaling indicating that the UE triggers the CWS adjustment, where the CWS is the maximum backoff value of the CCA for the second uplink burst, that is, the backoff of the CCA.
  • the upper limit of the counter initial value N for example, when the CWS is 15, the initial value N of the CCA backoff counter is uniformly and randomly generated between [1, 15]; the time of the contention window is CCA for the second uplink burst.
  • the maximum backoff time length that is, the CWS multiplied by the time granularity of each CCA slot.
  • the UE triggers CWS adjusted signaling, for example, 1-bit signaling, indicating that the UE triggers an increase/decrease of CWS, or 2-bit signaling, indicating that the UE triggers the increase/decrease/maintain of CWS.
  • the CCA backoff counter initial value may be generated by the CWS or by the time of the contention window. Specifically, if the initial value of the backoff counter generated by the CWS is uniformly generated randomly between [1, CWS], if the initial value of the backoff counter generated by the time of the contention window is first, the time of the contention window is first divided by After 9us, it is converted into CWS, and then uniformly generated randomly between [1, CWS].
  • control signaling may be for one subframe of the second uplink burst.
  • control signaling may be for at least two uplink subframes of the second uplink burst.
  • the control signaling carried in one downlink subframe schedules the UE to send uplink information in one uplink subframe; if the control signaling is for the second uplink
  • the control signaling carried in one downlink subframe schedules uplink information to be sent on each subframe of at least two subframes of the UE.
  • the base station sends at least one control signaling to the UE.
  • the base station sends at least one control signaling to the UE, where the control signaling may be sent to the first uplink subframe in the second uplink burst of the UE, or to each of the second uplink bursts sent to the UE.
  • An uplink subframe An uplink subframe.
  • control signaling may be included in a user-specific search space of a Physical Downlink Control Channel ("PDCCH") or an Enhanced Physical Downlink Control Channel (EPDCCH). Further, it may be included in an uplink grant (UL grant) of the PDCCH.
  • PDCCH Physical Downlink Control Channel
  • EPDCCH Enhanced Physical Downlink Control Channel
  • the UE receives, by the base station, at least one control signaling that is scheduled according to the reference subframe and is scheduled for at least one uplink subframe in the second uplink burst, where the control signaling includes the contention window information or the CCA back generated based on the contention window information.
  • the initial value of the counter is the initial value of the counter.
  • the UE determines, according to the at least one control signaling, an initial value of the CCA backoff counter of the second uplink burst.
  • the UE receives the contention window information sent by the base station or the initial value of the CCA backoff counter generated based on the contention window information, and generates an initial value of the CCA backoff counter.
  • the UE may uniformly generate a CCA backoff counter initial value randomly from 0 to CWS; when the UE receives the base station to send the contention window information to the contention window time, the UE may compete.
  • the window time is divided by the CCA slot granularity, converted into CWS, and the UE uniformly generates a CCA backoff counter initial value randomly from 0 to CWS; when the UE receives the signaling that the base station UE triggers the CWS adjustment, and the signaling indication received by the UE If the CWS is added, the UE will receive the latest CWS increase before the time of the contention window information, for example, double, as a new CWS; if the control signaling received by the UE indicates that the CWS is decreased, the UE will receive the most recent before the contention of the contention window information.
  • the CWS is reduced, for example, to a minimum value as a new CWS; when the signaling received by the UE indicates that the CWS remains unchanged, the UE will receive the most recent CWS before the time of the contention window information as a new CWS, and finally, The UE randomly generates an initial value of the CCA backoff counter randomly from 0 to the new CWS. When the UE receives the initial value of the CCA backoff counter sent by the base station, the UE directly sets the backoff counter to the initial value of the received CCA backoff counter.
  • the UE may determine the second uplink according to the contention window information included in the control signaling of the uplink subframe of the second uplink burst or the initial value of the CCA backoff counter generated based on the contention window information.
  • the backoff counter of the first uplink subframe of the burst may be determined according to the contention window information included in the control signaling of the uplink subframe of the second uplink burst or the initial value of the CCA backoff counter generated based on the contention window information.
  • the UE according to the first uplink subframe sent by the base station for the second uplink burst
  • the contention window information included in the line scheduling control signaling or the initial value of the CCA backoff counter generated based on the contention window information determines an initial value of the CCA backoff counter for the second uplink burst of the UE.
  • the first uplink subframe is a first uplink subframe that the base station schedules the UE to send or a first uplink subframe that the user actually sends.
  • the UE determines, according to the contention window information in the control signaling that is closest to the second uplink burst before the second uplink burst or the initial value of the CCA backoff counter generated based on the contention window information, The initial value of the CCA backoff counter of the upstream burst.
  • the method of determining the CWS in the contention window information by the base station or the UE will be specifically described below.
  • the UE receives not only the first uplink subframe but also the first uplink subframe of the second uplink burst.
  • Control signaling may also receive control signaling for subsequent uplink subframes or for subsequent uplink bursts.
  • the UE may adopt the contention window information included in the control signaling of the scheduled uplink burst or the initial value of the CCA backoff counter generated based on the contention window information, for example, the contention window information.
  • the UE may adopt the contention window information included in the control signaling of the first uplink subframe of the scheduled uplink burst or the initial value of the CCA backoff counter generated based on the contention window information, the contention window information For example, CWS; or the UE may use the contention window information contained in the control signaling (ie, the control signaling for the subsequent uplink burst) received recently from the scheduled second uplink burst or the CCA back generated based on the contention window information.
  • the initial value of the counter is returned, such as CWS.
  • S260 Perform CCA on the second uplink burst according to the initial value of the CCA backoff counter of the second uplink burst.
  • the UE may perform CCA only for the first uplink subframe of the second uplink burst, and the consecutive uplink subframes in the subsequent time domain of the uplink burst, even if received for the subsequent uplink subframes.
  • the control signaling indicates the contention window information, and the UE does not perform the CCA additionally but directly transmits the uplink information.
  • the uplink subframe in which the UE starts transmitting data is defined as the first uplink subframe of the second uplink burst.
  • the UE performing CCA may occur before the first uplink subframe of the second uplink burst, where the first uplink subframe of the second uplink burst is the first one of the at least one uplink subframe actually sent by the UE.
  • the uplink subframe instead of the first uplink subframe of at least one uplink subframe scheduled by the base station frame. That is, the UE does not send the uplink information in the first uplink subframe indicated by the base station control signaling, that is, the control message of the first uplink subframe of the second uplink burst that the UE does not correctly receive the base station control signaling.
  • the uplink subframe in which the UE starts data transmission is the second uplink burst.
  • the UE if the UE does not receive the control signaling corresponding to the first uplink subframe of the consecutive uplink subframes in the time domain indicated by the base station control signaling, the UE receives the base station control signal. And the control signaling corresponding to the subsequent subframe of the consecutive uplink subframes in the indicated time domain. In this case, if the UE receives the contention window information included in the control signaling for the subsequent subframe, the CWS used by the UE to perform the CCA is determined according to the contention window information.
  • the UE does not receive the contention window information included in the control signaling for the subsequent subframe (ie, the base station does not indicate the competition in the control signaling for each uplink subframe).
  • the window information is only placed in the control signaling corresponding to the first uplink subframe of the consecutive uplink subframes in the time domain scheduled by the base station, and the UE adopts the most recent implementation of the CCA.
  • the CWS generates the initial value of the CCA backoff counter.
  • the UE when the UE receives the control signaling that the base station performs scheduling for the first uplink subframe of the second uplink burst, but does not preempt the channel before the first uplink subframe indicated by the control signaling, and The UE receives the control signaling for scheduling the subsequent uplink subframe of the second uplink burst, and the UE uses the contention window information of the uplink subframe after the first uplink subframe indicated by the control signaling or the contention window information.
  • the initial value of the generated CCA backoff counter determines the CCA backoff counter and restarts a CCA.
  • the base station when the UE receives the control signaling of the first uplink subframe of the second uplink burst, the base station does not preempt the channel before the first uplink subframe indicated by the control signaling, that is, the UE does not complete.
  • the CCA falls back, and the UE continues the CCA fallback for the subsequent uplink subframe in which the base station schedules the second uplink burst.
  • the UE when the UE receives the UL grant of the first uplink subframe of the second uplink burst, and the UE does not preempt the channel before the first uplink subframe indicated by the UL grant, the UE sends the base station UL grant.
  • the CCA is still to be executed before the subsequent subframes of consecutive uplink subframes in the indicated time domain.
  • the UE may determine the CCA backoff counter by using the contention window information or the CCA backoff counter initial value included in the UL subframe included in the UL grant to restart a CCA; or the UE may continue to use the CCA for the previous uplink subframe. go back.
  • the base station may first determine the reference subframe, and then determine how to adjust the contention window information of the UE according to the receiving state of the reference subframe, and finally, through the downlink control signaling, the contention window information or The initial value of the CCA random backoff counter generated by the base station side is sent to the UE.
  • the contention window information or the initial value of the CCA random backoff counter generated by the base station side is transmitted to the UE by the UL grant of the PDCCH.
  • the UE may determine an initial value of the CCA backoff counter of the second uplink burst according to the information in the control signaling, and then the UE may perform CCA on the second uplink burst according to the initial value of the CCA backoff counter.
  • the uplink subframe in the first uplink burst may be used by the base station to schedule an uplink subframe sent by the UE, where the first uplink burst is before the second uplink burst, and the base station may pass the uplink subframe in the first uplink burst.
  • the receiving state determines the CWS used by the UE to listen to the channel before the second uplink burst.
  • the base station can determine the contention window information of the second uplink burst of the UE by referring to the receiving state of the subframe, so that the UE can obtain the appropriate contention window information, thereby enabling the UE to acquire the appropriate contention window information.
  • Fair channel access is achieved through random back-off channel interception.
  • the method for determining the contention window information by the base station in the embodiment of the present invention further includes:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes one uplink subframe or at least two consecutive uplink subframes. If the third uplink burst includes at least two uplink subframes, any two adjacent uplink subframes of the at least two uplink subframes may be consecutive in time or may be discontinuous in time.
  • the base station should avoid additionally scheduling the two uplink bursts. Increase or decrease the CWS.
  • the reference subframe is a first uplink burst ⁇ #n, #n+1 ⁇ , and a third uplink burst.
  • the second uplink burst is the subframe #n+8, and the second uplink burst and the third uplink burst correspond to the reference subframe ⁇ #n, #n+1 ⁇ , and the reference
  • the base station may indicate that the CWS of #n+6 is increased to 31 when scheduling #n+6; since the reference subframes of the subframe #n+6 and the subframe #n+8 are the same, the subframe #n +8, the same CWS as #n+6, ie 31, should be used instead of the CWS based on #n+6 being increased again to 63.
  • the method for determining the contention window information in the embodiment of the present invention is described above.
  • the following describes specifically how to determine the contention window information of the second uplink burst of the UE according to the receiving state of the reference subframe.
  • the method for determining the contention window information of the second uplink burst transmission of the UE in the embodiment of the present invention includes:
  • the CWS is incremented.
  • the base station determines the CWS of the second uplink burst of the UE, when the receiving state of the at least one uplink subframe in the reference subframe is an error, and the base station has continuously followed the maximum value preset by the CWS at least once, the backoff is generated. The initial value of the counter, then the CWS remains unchanged, or the CWS is set to the preset minimum value.
  • the CWS is decreased.
  • the base station determines the CWS for the second uplink burst of the UE, when the reception status of each uplink subframe in the reference subframe is correct, and the CWS has reached the preset minimum value, the CWS remains constant.
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send Then, the CWS remains unchanged, or the at least one reference subframe is ignored, and is not used for the adjustment of the CWS.
  • the base station when the base station has the capability of detecting whether the UE sends an uplink subframe, the reference subframe in which the UE does not occupy the uplink subframe transmission information may be ignored, and is not used to adjust the CWS.
  • the base station uses a Demodulation Reference Signal (DM-RS). If the DM-RS signal is detected, it determines that the UE sends an uplink subframe. If the DM-RS is not detected, the base station can determine the UE. The uplink subframe is not sent and can be ignored.
  • DM-RS Demodulation Reference Signal
  • the reception status of the at least one reference subframe is an error and each of the at least one reference subframe is an uplink subframe that the base station detects that the UE does not transmit, the CWS remains unchanged or is ignored, As the basis for CWS adjustment.
  • the value set of CWS is ⁇ 15, 31, 63 ⁇
  • the second uplink burst includes two consecutive uplink subframes in the time domain
  • the two uplink subframes of the first uplink burst can be used as the reference subframe of the second uplink burst
  • the second subframe can be used.
  • Two uplink subframes of one uplink burst are used as reference subframes of the third uplink burst.
  • the base station determines that the CWS of the second uplink burst of the UE needs to be increased from 15 to 31, and because each of the second uplink bursts If the receiving state of an uplink subframe is correct, the base station determines that the CWS of the third uplink burst of the UE needs to be reduced from 31 to 15.
  • the CWS since the receiving state of one uplink subframe in the second uplink burst is an error, but the CWS has reached the maximum value at this time, it is assumed that the initial value of the CCA backoff counter is generated by using the maximum CWS value. After that, if it is still determined that the CWS needs to be increased, the CWS is reset to the minimum value, that is, the CWS of the third uplink burst of the UE can be reset to the minimum value of 15.
  • the base station may reduce the CWS of the second uplink burst transmission of the UE to a minimum value of 15; Moreover, since the receiving states of the two uplink subframes in the second uplink burst are all correct, the base station can keep the CWS of the third uplink burst transmission of the UE to a minimum value of 15.
  • the above condition for determining to increase the CWS is that at least one uplink subframe in the reference subframe is NACK, which is different from the above-mentioned condition for determining to increase the CWS, and the condition for determining to increase the CWS is that all uplink subframes in the reference subframe are When NACK, the CWS is added.
  • the method for determining the contention window information of the second uplink burst of the UE in the embodiment of the present invention for example, the method for determining the CWS of the second uplink burst of the UE, further includes:
  • the CWS is incremented.
  • the base station determines the CWS of the second uplink burst of the UE, when the receiving state of each uplink subframe in the reference subframe is an error, and the base station has been continuously generated at least once according to the preset maximum value of the CWS, If the CCA rolls back the initial value of the counter, the CWS remains unchanged, or the CWS is set to the preset minimum value.
  • the CWS is reduced.
  • the base station determines the CWS of the second uplink burst of the UE, when the reception state of at least one uplink subframe in the reference subframe is correct, and the CWS has reached the preset minimum value, the CWS remains unchanged.
  • each uplink subframe in the reference subframe is an error
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send
  • the CWS remains unchanged, or the at least one reference subframe is ignored, and is not used for the adjustment of the CWS.
  • each uplink subframe in the reference subframe does not occupy the uplink information, each reference subframe is ignored and is not used for CWS adjustment.
  • the method for determining the contention window information of the second uplink burst transmission of the UE includes:
  • the time of the contention window is decreased.
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send
  • the time of the contention window remains unchanged, or the at least one reference subframe is ignored, and is not used for the adjustment of the time of the contention window.
  • the method for determining the time of the contention window of the second uplink burst of the UE further includes:
  • the time of the contention window is reduced.
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send
  • the time of the contention window remains unchanged, or the at least one reference subframe is ignored, and is not used for the adjustment of the time of the contention window.
  • the method for determining the contention window information of the second uplink burst transmission of the UE in the embodiment of the present invention for example, the method for determining that the UE of the second uplink burst of the UE triggers the CWS adjustment signaling includes:
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send. Then, it is determined that the trigger CWS remains unchanged, or the at least one reference subframe is ignored, and is not used for signaling that triggers CWS adjustment.
  • the method for determining that the UE of the second uplink burst of the UE triggers the signaling of the CWS adjustment further includes:
  • each uplink subframe in the reference subframe is an error
  • each uplink subframe in the at least one uplink subframe is an uplink subframe that the base station detects that the UE does not send
  • the method for determining the contention window information of the second uplink burst transmission of the UE in the embodiment of the present invention for example, the method for determining the CWS of the second uplink burst of the UE, further includes:
  • the CWS is increased.
  • the base station determines the CWS of the second uplink burst for the UE, the number of uplink subframes whose reception status is incorrect in the reference subframe is greater than or equal to the first preset threshold, or the reception status in the reference subframe is an error.
  • the ratio of the uplink subframe to all the uplink subframes in the reference subframe is greater than or equal to the second preset threshold, and the base station has generated the initial value of the CCA backoff counter according to the preset maximum value of the CWS at least once, and then the CWS remains. No change, or CWS is set to the preset minimum.
  • the CWS is decreased.
  • the number of uplink subframes in which the receiving state is incorrect is equal to the first preset threshold, or the ratio of the uplink subframe and the all uplink subframes in which the receiving state is incorrect is equal to the second preset threshold, Or reduce the CWS.
  • the base station determines the CWS of the second uplink burst for the UE, when the number of uplink subframes whose reception status is incorrect in the reference subframe is less than or equal to the first preset threshold, or the reception state in the reference subframe is If the ratio of the erroneous uplink subframe to all the uplink subframes in the reference subframe is less than or equal to the second preset threshold, and the CWS has reached the preset minimum value, the CWS remains unchanged.
  • the first preset threshold and/or the second preset threshold may be protocol pre-defined.
  • the CWS adjustment can be determined based on the size relationship with the predefined first preset threshold or the second preset threshold without a complicated calculation process, which reduces the calculation cost and can improve the efficiency.
  • the at least one reference subframe is that the base station detects an uplink subframe that is not sent by the UE, the at least one reference subframe is ignored, and is not used for the adjustment of the CWS.
  • the at least one reference subframe is omitted, and the at least one reference subframe is not included in the number of uplink subframes whose reception state is erroneous, and the at least one reference is not included in all uplink subframes. Subframe.
  • the first uplink burst and the second uplink burst of the UE respectively include two uplink subframes consecutive in the time domain, assuming the first one.
  • the two uplink subframes of the uplink burst are the reference subframes of the second uplink burst, and the two uplink subframes of the second uplink burst are the reference subframes of the third uplink burst;
  • the threshold is 80%.
  • the base station when the receiving state of 50% of the uplink subframes in the first uplink burst is an error, which is lower than the second preset threshold, that is, 80%, the base station may The uplink burst CWS is reduced from 31 to a minimum value of 15; when the reception state of 100% of the uplink subframes in the second uplink burst is an error, which is higher than the second preset threshold by 80%, the base station may The CWS of the third uplink burst of the UE is increased from 15 to 31.
  • the base station when the receiving state of 50% of the uplink subframes in the second uplink burst transmission is an error, lower than the second preset threshold by 80%, and the CWS has reached the minimum value, the base station The CWS of the third uplink burst transmission of the UE can be kept to a minimum value of 15.
  • the method for determining the contention window information of the second uplink burst transmission of the UE in the embodiment of the present invention for example, the method for determining the time of the contention window of the second uplink burst of the UE, further includes:
  • the time of the contention window is increased; when the number of uplink subframes whose reception state is incorrect is less than the first preset threshold, the decrease is performed.
  • the time of the contention window is increased; when the ratio of the uplink subframe with the received state is incorrect, the ratio of the uplink subframe to the total uplink subframe is smaller than the first subframe.
  • the threshold is preset, the time of the competition window is reduced.
  • the time of the contention window is increased or decreased.
  • the at least one reference subframe is that the base station detects an uplink subframe that is not sent by the UE, the at least one reference subframe is ignored, and is not used for the adjustment of the contention window time.
  • the method for determining the contention window information of the second uplink burst transmission of the UE in the embodiment of the present invention for example, the method for determining that the UE of the second uplink burst of the UE triggers the signaling of the CWS adjustment, further includes:
  • the trigger is determined.
  • the number of uplink subframes whose reception status is incorrect is smaller than the first preset threshold, or the ratio of the uplink subframes and all uplink subframes whose reception state is incorrect is smaller than the second preset threshold, it is determined to trigger the indication of reducing the CWS.
  • determining to trigger the increase of the CWS Indicates or triggers an indication to reduce the CWS.
  • the at least one reference subframe if the at least one reference subframe is that the base station detects an uplink subframe that is not sent by the UE, the at least one reference subframe is ignored, and is not used to trigger the CWS. Adjusted signaling.
  • the base station may further send control signaling including a HARQ indication to the UE, and the UE may determine an initial value of the CCA backoff counter of the second uplink burst according to the HARQ indication.
  • the method for determining the length of the contention window by the user in the embodiment of the present invention further includes:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe. If the third uplink burst includes at least two uplink subframes, any two adjacent uplink subframes of the at least two uplink subframes may be consecutive in time or may be discontinuous in time.
  • the base station should avoid additionally increasing when scheduling the two uplink bursts. Or reduce the CWS.
  • the reference subframe is a reference subframe of the UE, which is slightly different from the reference subframe selection rule on the base station side, which will be described in detail later.
  • determining an initial value of the CCA backoff counter of the second uplink burst including:
  • the determining, by the UE, the CWS of the second uplink burst according to the HARQ indication in the control signaling for the at least one uplink subframe in the reference subframe including:
  • the HARQ indication is an initial transmission indication, reducing the CWS
  • the identifier is unchanged or decreased.
  • the CWS remains unchanged or decreased.
  • HARQ indication for at least one uplink subframe in the reference subframe is received, and at least one HARQ indication is a retransmission indication, if each uplink subframe in the at least one uplink subframe is not sent by the UE In the case of an uplink subframe, the CWS is kept unchanged, or each of the uplink subframes is ignored, and is not used for the adjustment of the CWS.
  • the determining, by the UE, the CWS of the second uplink burst according to the HARQ indication in the control signaling for the at least one uplink subframe in the reference subframe including:
  • the HARQ indication is an initial transmission indication, reducing the CWS
  • the HARQ indication is a retransmission indication, increasing the CWS
  • the CWS remains unchanged or decreased
  • the CWS remains unchanged or decreased.
  • the HARQ indication for each uplink subframe in the reference subframe is received, and the HARQ indication is a retransmission indication, if each of the uplink subframes is an uplink subframe that is not sent by the UE, then The CWS is unchanged, or each of the uplink subframes is ignored, and is not used for the adjustment of the CWS.
  • the first uplink burst and the second uplink burst of the UE respectively include two uplink subframes in the time domain, respectively, assuming the first uplink burst
  • the two uplink subframes sent are reference subframes of the second uplink burst, and the reference subframe set is ⁇ #n, #n+1 ⁇ .
  • the UE transmits a fault in the HARQ process 1 of the reference subframe #n, and the base station schedules the retransmission of the HARQ process 1.
  • the UE receives the UL grant indicating that the HARQ process 1 and the NDI is not inverted. It is judged that the subframe is a retransmission subframe, and therefore, the CWS is doubled and then listened.
  • the UE transmits the HARQ process 1 of the reference subframe #n and the HARQ process 2 of the reference subframe #n+1, and the base station schedules the initial transmission of the two HARQ processes, and the UE receives To The UL grant indicates that the NDIs of both processes are reversed, and it is determined that all the subframes in the reference set are transmitted, so the CWS is reduced and then intercepted.
  • the UE transmits a fault in the HARQ process 1 of the reference subframe #n, and the HARQ process 2 of the reference subframe #n+1 is transmitted, but the base station only schedules the HARQ process 2, and the HARQ process is not scheduled.
  • the UE does not receive the HARQ indication of all the reference subframes, and cannot determine whether the HARQ process 1 is transmitted, so the CWS is kept unchanged, or the CWS is decreased.
  • the UE transmits the error in the HARQ process 1 of the reference subframe #n, and the HARQ process 2 of the reference subframe #n+1 is transmitted, and the base station does not schedule the retransmission/initial transmission of the two processes.
  • the UE does not receive the HARQ indication of any of the two reference subframes, and cannot determine whether the HARQ process 1 and the HARQ process 2 are transmitted, so that the CWS is kept unchanged or the CWS is decreased.
  • the determining, by the UE, the CWS of the second uplink burst according to the at least one HARQ indication in the control signaling for the reference subframe further includes:
  • the HARQ When receiving a HARQ indication for at least one uplink subframe in the reference subframe, and the HARQ indicates that the number of uplink subframes that are retransmitted is greater than or equal to the first preset threshold, increasing the CWS;
  • the HARQ indication is that the number of uplink subframes that are initially transmitted is greater than or equal to a third preset threshold, decreasing the CWS;
  • the HARQ indicates that the ratio of the number of uplink subframes that are initially transmitted to all uplink subframes in the reference subframe is greater than or equal to a fourth preset threshold, Small CWS;
  • the CWS remains unchanged or decreased.
  • the identifier remains unchanged or decreases.
  • CWS when receiving the HARQ indication for at least one uplink subframe in the reference subframe, and indicating that the number of uplink subframes initially transmitted is less than or equal to the third preset threshold, then maintaining or decreasing the CWS;
  • the CWS is reduced or the CWS is kept unchanged; when the HARQ indication for at least one uplink subframe in the reference subframe is received, and the number of uplink subframes that are initially transmitted is indicated, and all uplink subframes in the reference subframe are received. If the ratio of the frame is less than or equal to the fourth preset threshold, the CWS is decreased or the CWS is kept unchanged.
  • the reference subframe if at least one reference subframe is an uplink subframe that is not sent by the UE, the at least one reference subframe is ignored, and is not used for adjustment of the CWS.
  • the foregoing mainly describes a method for the base station to determine the contention window information of the second uplink burst of the UE according to the reference subframe.
  • the following describes the method for the base station to determine the reference subframe.
  • the base station may also determine the reference subframe before determining the contention window information, and determine that the reference subframe may first determine which uplink bursts before the second uplink burst can be used as the first uplink burst.
  • the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the first uplink burst is that the base station schedules at least one uplink subframe in the uplink subframe that is sent by the UE; if the first uplink burst includes at least two base stations scheduling uplink subframes sent by the UE, at least two base stations are configured.
  • the scheduled uplink subframes may be consecutive in time or discontinuous in time.
  • the uplink subframe scheduled by the user is a cell-specific uplink subframe, but the uplink scheduling of the base station to a certain user is not necessarily continuous, and some uplink subframes are not scheduled, or other users are scheduled.
  • the uplink subframe that is not scheduled by the user and does not schedule the user does not reflect the channel state of the user. Therefore, the first uplink burst obtained according to at least one uplink subframe criterion in the uplink subframe scheduled by the base station may be based on The first uplink burst obtained by the at least one uplink subframe criterion is different, and the former can determine the CWS adjustment more accurately.
  • the first uplink burst selected based on the time continuous uplink subframe criterion is ⁇ #n+4, #n+5, #n+6, #n+7 ⁇ ; the base station only schedules the UE in Subframes #n+4, #n+5, #n+7 send uplink information without scheduling #n+6 uplink transmission, or scheduling #n+6 other UE uplink transmission, so based on base station scheduling
  • the time-continuous uplink subframe criterion in the uplink subframe can obtain two first uplink bursts: ⁇ #n+4, #n+5 ⁇ and ⁇ #n+7 ⁇ .
  • the first uplink burst is that each uplink subframe is that the base station detects the first uplink burst sent by the UE.
  • the first uplink burst is that the base station detects at least one uplink subframe in the uplink subframe that the UE actually transmits, that is, when determining the first uplink burst, the base station detects that the UE does not send the uplink.
  • the uplink subframe of the information for example, because the UE may not occupy the channel and does not occupy the uplink subframe, and the base station detects that at least one uplink subframe in which the UE actually transmits the uplink information is used as the first uplink burst. If the first uplink burst includes at least two base stations detecting the uplink subframe actually sent by the UE, the uplink subframes actually sent by the at least two UEs may be consecutive in time or may be discontinuous in time.
  • the base station detects that the uplink subframe actually sent by the UE belongs to the uplink subframe scheduled by the base station, but does not transmit because the UE may not preempt the channel, and therefore, according to the base station, at least one of the uplink subframes actually sent by the UE is detected.
  • the first uplink burst acquired by the uplink subframe criterion may be different from the first uplink burst acquired by at least one uplink subframe criterion in the uplink subframe scheduled by the base station, and the former may determine the CWS adjustment more accurately.
  • the base station scheduling UE transmits uplink information on subframes #n+4, #n+5, #n+7, and thus is obtained based on the time-continuous uplink subframe criterion in the uplink subframe scheduled by the base station.
  • Two first uplink bursts ⁇ #n+4, #n+5 ⁇ and ⁇ #n+7 ⁇ ; considering that the UE does not preempt the channel in the #n+4 subframe, but in the #n+5 subframe
  • the two first uplink bursts obtained by the base station detecting the time-continuous uplink subframe criterion in the uplink subframe actually transmitted by the UE are ⁇ #n+5 ⁇ and ⁇ #n+7 ⁇ .
  • the first uplink burst is obtained, and each uplink subframe of all the first uplink bursts is detected by the base station.
  • the reference subframe of the uplink transmission may be one or more uplink subframes of the first uplink burst received by the base station before scheduling the second uplink burst.
  • the ACK/NACK state of each downlink subframe can be acquired by the base station, but in the uplink transmission, if an uplink subframe in the reference subframe is scheduled to the UE, but the UE does not rob
  • the base station detects the physical hybrid uplink shared channel (Physical Hybrid-ARQ Indicator Channel, referred to as "PUSCH"), and then determines that the reception fails, that is, NACK.
  • PUSCH Physical Hybrid-ARQ Indicator Channel
  • the base station may not be able to determine whether the state of the reception failure is caused by the UE not transmitting the uplink subframe, or whether the UE transmits the uplink subframe, but the base station does not detect because the channel quality is poor.
  • some base stations may detect whether the UE transmits an uplink subframe.
  • the base station further detects the uplink subframe.
  • DM-RS since the reference signal is a code sequence, the probability of detection success is much higher than that of PUSCH. If the base station detects the presence of the DM-RS, it may determine that the PUSCH reception fails due to the poor channel quality. If the base station does not detect the DM-RS, it determines that the UE does not actually send the uplink subframe, so that the UE is ignored when selecting the reference subframe. The uplink subframe that the base station fails to receive the PUSCH without being transmitted.
  • the reference subframe is that, in the first uplink burst, the base station detects at least one uplink subframe that is sent by the UE.
  • the base station detects that the uplink subframe actually sent by the UE is used as the reference subframe, and ignores the uplink subframe that the base station detects that the UE does not send the uplink information, for example, because the UE may not be preempted.
  • the channel does not occupy the uplink subframe.
  • the base station when the base station is configured to detect whether the UE transmits an uplink subframe: if the base station PUSCH receives successfully and detects the DM-RS, the base station may determine that the UE actually transmits the uplink subframe, and receives the subframe. If the base station PUSCH reception fails, and the base station PUSCH reception fails, the base station may determine that the UE actually transmits the uplink subframe, and determines the reception status of the subframe as NACK; If the DM-RS is not detected, the base station may determine that the UE does not send an uplink subframe, and may ignore the subframe and not include the reference subframe.
  • the uplink subframe included in the first uplink burst sent by all the scheduled UEs needs to be determined that the UE actually transmits, and therefore all PUSCHs receive failed uplink subframes.
  • the frames are judged to be NACK.
  • the uplink subframe that the UE does not actually send may be erroneously determined to be in the NACK reception state, which results in determining that the CWS of the UE is too large.
  • the reference subframe is that, in the first uplink burst, at least one uplink subframe that completes the state detection of the base station is completed.
  • the reference subframe is that, in the first uplink burst, the base station acquires at least one uplink subframe of the receiving state.
  • the base station since there may be a delay in the detection of the reception of the PUSCH, the base station may not be able to complete the detection of whether the PUSCH is successfully received at the end of the uplink subframe in which the control signaling is sent. Therefore, the selection of the reference subframe needs to be excluded due to the PUSCH.
  • the uplink delay subframe that receives the detection delay and fails to determine the reception status.
  • the CWS is increased, and if the CWS is decreased, since the receiving detection of the base station has a 1 ms delay, the downlink subframe #n+ 4
  • the PUSCH connection of the last uplink subframe #n+3 in the first uplink burst cannot be determined.
  • the reference subframe corresponding to the downlink subframe #n+4 is ⁇ #n, #n+1, #n+2 ⁇
  • the base station sends the UL grant indication to decrease the CWS
  • the downlink subframe #n+5 corresponds to The reference subframe is ⁇ #n, #n+1, #n+2, #n+3 ⁇ , and the base station sends a UL grant indication to increase the CWS.
  • a first uplink burst that is closest to the downlink subframe in which the base station sends control signaling may be selected, and the selection method may reflect the instantaneous channel state in a timely manner; or may select to send the distance from the base station.
  • the first plurality of first uplink bursts in the downlink subframe of the control signaling, the reference set of the selection method has a large number of elements, and can better reflect the average performance of the channel state.
  • the reference subframe is at least one uplink subframe in each of the first uplink bursts of the at least one first uplink burst that is closest to the control signaling before the control signaling is sent to the UE.
  • the first uplink burst is selected, it is a first uplink burst that is closest to the downlink subframe in which the control signaling is sent by the base station.
  • the reference subframe is all uplink subframes or first uplink subframes or last uplink subframes in a first uplink burst that is closest to the control signaling before the control signaling is sent to the UE.
  • the reference subframe may select all uplink subframes included in a first uplink burst that is closest to the scheduled scheduling time. .
  • the reference subframe may select the first uplink subframe in the first uplink burst that is closest to the scheduled scheduling time.
  • the reference subframe may select the last uplink subframe in the first uplink burst that is closest to the scheduled scheduling time.
  • the reference subframe is, in the first uplink burst that is the closest to the control signaling, before the base station sends the control signaling to the UE, the base station detects at least one uplink subframe in the uplink subframe sent by the UE;
  • An uplink burst is that each uplink subframe is a first uplink burst that the base station schedules the UE to send.
  • the reference subframe is that, before the base station sends the control signaling to the UE, in the first uplink burst that is closest to the control signaling, the base station detects all uplink subframes or the first one in the uplink subframe sent by the UE.
  • the uplink subframe or the last uplink subframe; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the base station detects each uplink subframe transmitted by the UE.
  • the base station may select all uplink subframes or the first uplink subframe or the last uplink subframe in the uplink subframe that is sent by the UE in the first burst. .
  • the first uplink burst is ⁇ #n, #n+1, #n+2, #n+3 ⁇ , where the uplink subframe #n base station detects that the UE is not transmitting, and #n+1, #n +2, #n+3 The base station detects the transmission. If the selection criterion of the reference subframe is that the base station detects the first uplink subframe in the uplink subframe transmitted by the UE in the first burst, the selection result is #n+ 1.
  • the first uplink burst does not include the uplink subframe that the base station detects the UE to send, the first uplink burst is ignored, and the latest one is selected to include at least one uplink subframe that the base station detects the UE to send.
  • the first upstream burst of the frame is not included in the frame.
  • the reference subframe is: at least one reference subframe in an uplink subframe in which the base station receives state detection is completed in a first uplink burst that is closest to the control signaling before the base station sends the control signaling to the UE;
  • the reference subframe is: before the base station sends the control signaling to the UE, in the first uplink burst that is closest to the control signaling, completes all uplink subframes or the first in the uplink subframe of the base station receiving state detection. One uplink subframe or the last uplink subframe.
  • each one completes the limitation of the uplink subframe in which the base station receives the state detection.
  • all the uplink subframes or the first uplink subframe or the last uplink subframe in the uplink subframe in which the reception state is completed in the first burst may be selected.
  • the first burst is ⁇ #n, #n+1, #n+2, #n+3 ⁇ , where the uplink subframe #n+3 does not complete the reception state detection, if the selection criterion of the reference subframe is the first If the last uplink subframe in the uplink subframe of the base station reception state detection is completed in a burst, the result of the selection is #n+3.
  • the first uplink burst does not include an uplink subframe that completes the base station reception state detection, the first uplink burst is ignored.
  • the reference subframe is at least one uplink subframe in a first uplink burst that is closest to the control signaling before the control signaling is sent to the UE.
  • the reference subframe is any uplink subframe or first uplink subframe or last in a first uplink burst that is closest to the control signaling before the control signaling is sent to the UE, and completes the reception state detection.
  • An uplink subframe is any uplink subframe or first uplink subframe or last in a first uplink burst that is closest to the control signaling before the control signaling is sent to the UE, and completes the reception state detection.
  • the first uplink burst does not complete the reception state detection, it is a first uplink burst that includes an uplink subframe that does not complete the reception state detection, and the first uplink burst is ignored. Otherwise, it is the first uplink burst that completes the reception state detection.
  • the at least one uplink subframe is any one of the uplink subframes or all uplink subframes or the first uplink subframe or the last uplink subframe of the first uplink burst.
  • the first uplink burst ignoring of the uncompleted base station reception state detection is another method of simultaneously satisfying two qualification conditions for the reference subframe.
  • two adjacent upstream bursts ⁇ #n-5, #n-4, #n-3, #n-2 ⁇ and ⁇ #n, #n+1, #n+2, #n+3 ⁇ , wherein the latter uplink burst is closest to the base station transmitting control signaling, and the uplink subframe #n+3 does not complete the reception state detection, and the uplink is determined if the last uplink subframe of the uplink burst does not complete the reception state detection.
  • the burst uncompleted reception state detection if the reference subframe selection criterion is to remove the first uplink burst including the uplink subframe that has not completed the reception state detection, the distance control signaling is closest, and one of the reception state detection is completed.
  • the last uplink subframe in an uplink burst, the result of the selection is #n-2.
  • the selection of the intermediate uplink subframe may include: as shown in FIG. 14( a ), the reference subframe may select all uplink subframes in the first uplink burst that is the closest to the PUSCH detection before the scheduling time.
  • the reference subframe may select the first uplink subframe in the first uplink burst that is closest to the PUSCH detection before the scheduling time.
  • the reference subframe may select the last uplink subframe in the first uplink burst that is closest to the scheduled PUSCH detection before the scheduling time.
  • the method of selecting a plurality of first uplink bursts may be as follows:
  • the first uplink burst is selected according to the number of the predefined first uplink bursts. For example, if the predefined number is 2, the two first uplink bursts closest to the downlink subframe in which the control signaling is sent are selected.
  • the first uplink burst is selected according to the predefined time window, where the end time of the time window is the start time of the downlink subframe in which the signaling is currently sent, and the length of the time window is a predefined length, and the predefined length may be agreed by the protocol.
  • the provision may also be configured by the operator, or may be semi-statically or dynamically configured by the base station. For example, if the predefined time window is 5 ms, select more than 5 ms in the time window before the downlink subframe time of the control signaling is sent. The first uplink burst.
  • all first uplink bursts between the first uplink burst start time from which the CWS changes and the downlink subframe in which the signaling is sent are selected.
  • the first uplink burst selects all first uplink bursts from the last first uplink burst in which the CWS changes to the downlink subframe in which the signaling is sent, and the CWS change refers to the current
  • the uplink burst is changed compared to the CWS of the previous uplink burst, that is, the CWS is increased or decreased.
  • the method can ensure that the second uplink burst between the uplink bursts that need to adjust the CWS is used as a reference, and avoids The overlap of the two sets.
  • the reference subframe is, in a first uplink burst, in each of the at least one first uplink burst that is closest to the control signaling, in a predefined time window, before the control signaling is sent to the UE.
  • the reference subframe is at least one uplink subframe in each of the first uplink bursts of the first n uplink bursts closest to the control signaling before the control signaling is sent to the UE, where, a preset number and n is an integer greater than 1,
  • each of the first uplink bursts from the start time of the change of the CWS of the first uplink burst to the time of the transmission control signaling
  • At least one uplink subframe in an uplink burst where the first uplink burst in which the CWS changes is a first uplink burst in which the CWS closest to the control signaling changes.
  • the reference subframe is all in each of the first uplink bursts in the at least one first uplink burst that is closest to the control signaling in a predefined time window before the control signaling is sent to the UE.
  • the reference subframe is the closest to the distance control signaling before sending the control signaling to the UE. All uplink subframes or first uplink subframes or last uplink subframes in each of the first uplink bursts of each of the n first uplink bursts, where n is The preset number and n is an integer greater than 1,
  • the reference subframe is, before sending the control signaling to the UE, each of the first uplink bursts from the start time of the change of the CWS of the first uplink burst to the time of the transmission control signaling All uplink subframes or the first uplink subframe or the last uplink subframe in an uplink burst, where the first uplink burst in which the CWS changes is the first uplink burst in which the CWS closest to the control signaling changes hair.
  • the reference subframe may be all uplink subframes or first uplink subframes or last ones of each of the first uplink bursts that are closest to the downlink subframe in which the control signaling is sent.
  • An uplink subframe may be all uplink subframes or first uplink subframes or last ones of each of the first uplink bursts that are closest to the downlink subframe in which the control signaling is sent.
  • the reference subframe is all uplink subframes or first uplink subframes in each of the first uplink bursts that are the most recent ones before the scheduling moment or The last uplink subframe.
  • the reference subframe is the first uplink subframe in each of the first uplink bursts of the plurality of first uplink bursts before the scheduling moment.
  • the reference subframe is the last uplink subframe in each of the first uplink bursts of the plurality of first uplink bursts before the scheduling moment.
  • the reference subframe is, in the first uplink burst of each of the plurality of first uplink bursts that are closest to the control signaling, before the base station sends the control signaling to the UE, the base station detects the uplink subframe sent by the UE.
  • At least one uplink subframe in the frame; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the reference subframe is that, before the base station sends the control signaling to the UE, the base station detects the uplink subframe sent by the UE in each of the first uplink bursts of the plurality of first uplink bursts that are closest to the control signaling. All the uplink subframes or the first uplink subframe or the last uplink subframe in the frame; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the base station selects a reference subframe, and the base station detects, in the multiple first bursts, all uplink subframes or first uplink subframes in the uplink subframes sent by the UE. Or the last uplink subframe is the same as the case of an uplink burst, and is not described here.
  • the reference subframe is at least one of the uplink subframes in which the base station receiving state detection is completed in the plurality of first uplink bursts that are closest to the control signaling before the base station sends the control signaling to the UE.
  • the reference subframe is: before the base station sends the control signaling to the UE, in the first uplink bursts that are closest to the control signaling, complete all uplink subframes or the first subframe in the uplink subframe of the base station receiving state detection. One uplink subframe or the last uplink subframe.
  • the base station selects a reference subframe as all uplink subframes or first uplink subframes in an uplink subframe in which the reception state detection is completed in multiple first bursts or
  • the last uplink subframe is the same as the case of an uplink burst, and is not described here.
  • the reference subframe is, before the control signaling is sent to the UE, the distance control signaling is the closest, and at least one uplink subframe of the multiple first uplink bursts that receive the state detection is completed.
  • the reference subframe is any uplink subframe or first uplink subframe of the plurality of first uplink bursts that are closest to the control signaling before the control signaling is sent to the UE or The last uplink subframe.
  • the at least one uplink subframe in the first uplink burst does not complete the reception state detection, if the first uplink burst includes an uplink subframe that does not complete the reception state detection, the first uplink burst is ignored. Otherwise, it is the first uplink burst that completes the reception state detection.
  • the at least one uplink subframe is any one of the uplink subframes or all uplink subframes or the first uplink subframe or the last uplink subframe of the first uplink burst.
  • the reference subframe is, before the control signaling is sent to the UE, the distance control signaling is the closest, and at least one uplink subframe of the multiple first uplink bursts that receive the state detection is completed.
  • the reference subframe is: all uplink subframes or each of the uplink bursts of the plurality of first uplink bursts that are closest to the control signaling before the control signaling is sent to the UE.
  • the first uplink burst includes an uplink subframe that does not complete the reception state detection, the first uplink burst is ignored. Otherwise, it is the first uplink burst that completes the reception state detection.
  • the at least one uplink subframe is any one of the uplink subframes or all uplink subframes or the first uplink subframe or the last uplink subframe of the first uplink burst.
  • the multiple first uplink bursts of the PUSCH reception state detection of all the uplink subframes in which the detection is completed means that all uplink subframes complete the uplink PUSCH reception state detection, and if any one subframe does not complete the reception state detection, Then the first upstream burst is ignored.
  • the uplink burst including the uplink subframe of the uncompleted PUSCH reception state detection closest to the current downlink control subframe is ignored, and the reference subframe is the latest before the scheduling time. All uplink subframes in each of the first uplink bursts of the plurality of first uplink bursts.
  • the uplink burst including the uplink subframe of the uncompleted PUSCH reception state detection closest to the current downlink control subframe is ignored, and the reference subframe is the most recent one before the scheduling time.
  • the first uplink subframe in each of the first uplink bursts in an uplink burst is ignored, and the reference subframe is the most recent one before the scheduling time.
  • the uplink burst of the uplink subframe including the uncompleted PUSCH reception state detection closest to the current downlink control subframe is ignored, and the reference subframe is the most recent one before the scheduling time.
  • the last uplink subframe in each of the first uplink bursts in an uplink burst is ignored, and the reference subframe is the most recent one before the scheduling time.
  • the reference subframe selection of the UE may be the same as the selection of the reference subframe of the base station, and may also be different from the selection of the reference subframe of the base station.
  • the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the first uplink burst obtained according to the at least one uplink subframe criterion in the uplink subframe scheduled by the base station is the same as the CWS adjustment performed by the base station side, and details are not described herein again.
  • the first uplink burst is at least one uplink subframe in the uplink subframe that is actually sent by the UE, that is, when the first uplink burst is determined, the uplink subframe that is not sent by the UE is ignored, for example, the UE may not preempt the channel.
  • the uplink subframe is not occupied, but the uplink subframe that the UE actually transmits and at least one is used as the first uplink burst.
  • the first burst is defined as at least one uplink subframe in the uplink subframe in which the UE actually transmits information, and similar to the base station side performing CWS adjustment, the base station detects at least one of the uplink subframes in which the UE actually transmits information. Uplink subframe criteria.
  • the difference is that, since the UE knows which uplink subframes are the uplink subframes that actually transmit information, the base station does not need to perform CWS adjustment on the base station side, and the base station performs detection on the uplink subframes, for example, DM-RS detection, to obtain whether the UE is obtained. Actually send the message.
  • the reference subframe is at least one uplink subframe sent by the UE in the first uplink burst.
  • the reference subframe is selected as the uplink subframe in which the UE actually sends the uplink information.
  • the reference subframe is selected, and the base station detects each uplink subframe sent by the UE;
  • the base station does not need to perform the CWS adjustment in the base station side, and the base station performs detection on the uplink subframe, for example, DM-RS detection, to obtain whether the UE actually send Message.
  • the reference subframe acquires an uplink subframe of the receiving state for at least one UE in the first uplink burst.
  • the UE's definition of the first uplink burst is similar to the limitation of the base station side for the first uplink burst, and may be that the base station schedules at least one uplink subframe of the UE, or that the UE may not be able to preempt each of the uplink subframes.
  • the UE side when the UE side adjusts the CWS, since the retransmission scheduling of the UL grant of the base station is asynchronous, the UE may not acquire the previous burst before the next uplink burst. The reception status of each sub-frame.
  • the receiving state of the reference subframe is obtained by the UE to obtain an initial transmission or retransmission indication of the subframe by using the UL grant, where the initial transmission represents the same HARQ process number as the subframe, and the NDI is inverted.
  • the retransmission represents that the UL grant carries the same HARQ process number as the subframe, and the NDI does not change. It is possible for the UE to receive only the HARQ process number of a part of the subframe or the HARQ process number of any one of the subframes.
  • the reference subframe is further defined as an uplink subframe in which the UE acquires the reception status.
  • the first uplink burst is that each uplink subframe is a first uplink burst in which the UE sends uplink information.
  • the first uplink burst is an uplink subframe that is consecutive in the uplink subframe that is actually sent by the UE, that is, when the first uplink burst is determined, the uplink subframe that is not sent by the UE is ignored, for example, due to the UE.
  • the uplink subframe that is actually transmitted by the UE and is consecutive in time may be used as the first uplink burst.
  • the first burst is defined as the time-continuous uplink subframe in the uplink subframe in which the UE actually transmits information
  • the base station detects the uplink subframe in which the UE actually transmits information. Time-continuous uplink subframe criterion in the frame.
  • the difference is that, since the UE knows which uplink subframes are the uplink subframes that actually transmit information, the base station does not need to perform CWS adjustment on the base station side, and the base station performs detection on the uplink subframes, for example, DM-RS detection, to obtain whether the UE is obtained. Actually send the message.
  • the reference subframe is, in the first uplink burst, the UE sends each uplink subframe of the uplink information.
  • the uplink subframe in which the UE actually transmits the uplink information is reserved as the reference subframe, and the uplink subframe in which the UE does not send the uplink information is ignored, for example, the UE may not occupy the channel but does not occupy the uplink subframe.
  • the uplink subframe only the uplink subframe in which the UE actually transmits the uplink information is reserved as the reference subframe, and the uplink subframe in which the UE does not send the uplink information is ignored, for example, the UE may not occupy the channel but does not occupy the uplink subframe.
  • the reference subframe is selected as an uplink subframe in which the UE actually transmits uplink information, and similar to the base station side performing CWS adjustment, the reference subframe is selected, and the base station detects each uplink sent by the UE. Sub-frame; but the difference is that, since the UE knows which uplink subframes are the uplink subframes that actually transmit information, the base station does not need to perform CWS adjustment on the base station side, and the base station performs detection on the uplink subframes, for example, DM-RS detection, to Obtain whether the UE actually sends information.
  • the reference subframe is at least one of each of the first uplink bursts in the at least one first uplink burst that is closest to the start time of the second uplink burst before the UE sends the second uplink burst.
  • the uplink subframe is a first uplink burst
  • each uplink subframe is a first uplink burst that the base station schedules the UE to send.
  • the reference subframe is, before the second uplink burst is sent by the UE, all uplink subframes in each first uplink burst in the at least one first uplink burst that is closest to the start time of sending the second uplink burst Or the first uplink subframe or the last uplink subframe; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the reference subframe is, in each first uplink burst of each of the at least one first uplink burst that is closest to the start time of sending the second uplink burst, before the UE sends the second uplink burst, the UE Transmitting at least one uplink subframe in an uplink subframe of the uplink information;
  • the reference subframe is, before the UE sends the second uplink burst, the distance is sent second.
  • the UE transmits all uplink subframes or the first uplink subframe or the last in the uplink subframe of the uplink information.
  • the UE selects the reference subframe as, in each of the at least one first uplink burst, the UE sends at least one uplink in the uplink subframe of the uplink information.
  • the case where the base station detects at least one reference subframe in the uplink subframe transmitted by the UE is the same in the case of selecting one or more uplink bursts, and details are not described herein again.
  • the reference subframe is, in the first uplink burst, in each of the at least one first uplink burst that is closest to the start time of the second uplink burst sent by the UE, before the UE sends the second uplink burst, the UE Obtaining at least one reference subframe in an uplink subframe of the receiving state;
  • the reference subframe is a UE in each of the first uplink bursts of the at least one first uplink burst that is closest to the start time of the second uplink burst before the UE sends the second uplink burst, the UE Obtain all uplink subframes or the first uplink subframe or the last uplink subframe in the uplink subframe of the receiving state.
  • the UE selects the reference subframe as, in each of the at least one first uplink burst, the UE acquires at least one reference in the uplink subframe of the receiving state.
  • the case of performing a CWS adjustment with the base station side in the case of selecting one or more uplink bursts, the case where the base station completes at least one reference subframe in the uplink subframe of the reception state detection is the same, and details are not described herein again.
  • the reference subframe is, in a predefined time window, before the second uplink burst is sent by the UE, each of the at least one first uplink burst that is closest to the start time of sending the second uplink burst At least one uplink subframe in an uplink burst, where an end time of the time window is a start time of a second uplink burst of the UE,
  • the reference subframe is: at least one uplink subframe in each of the first uplink bursts of the n first uplink bursts that are closest to the start time of the second uplink burst before the UE sends the second uplink burst.
  • n is a preset number and n is an integer greater than 0,
  • the reference subframe is all first uplink bursts between a start time when the CWS of the first uplink burst changes and a start time when the second uplink burst is sent before the UE sends the second uplink burst. At least one uplink subframe in each of the first uplink bursts, where the CWS sends the changed first uplink burst to be the CWS closest to the start time before the UE sends the second uplink burst Send the changed first upstream burst.
  • the reference subframe is, in a predefined time window, before the second uplink burst is sent by the UE, each of the at least one first uplink burst that is closest to the start time of sending the second uplink burst All the uplink subframes or the first uplink subframe or the last uplink subframe in an uplink burst, where the end time of the time window is the start time of the second uplink burst of the UE,
  • the reference subframe is any uplink subframe or first in each of the first uplink bursts of the n first uplink bursts that are closest to the start time of the second uplink burst before the second uplink burst is sent by the UE.
  • the reference subframe is all first uplink bursts between a start time when the CWS of the first uplink burst changes and a start time when the second uplink burst is sent before the UE sends the second uplink burst.
  • the CWS closest to the start time sends a changed first uplink burst.
  • the reference subframe is, before the second uplink burst is sent by the UE, except for the first uplink burst that includes the uplink subframe that does not acquire the receiving state, the distance control signaling is the closest, and the receiving state acquisition is completed. At least one uplink subframe in each of the first uplink bursts in the at least one first uplink burst.
  • the reference subframe is, before the UE sends the second uplink burst, except for the first uplink burst including the uplink subframe in which the receiving state is not acquired, the distance control signaling is closest, and the receiving state acquisition is completed. All uplink subframes or first uplink subframes or last uplink subframes in each of the first uplink bursts of the at least one first uplink burst.
  • the at least one uplink subframe in the first uplink burst does not acquire the receiving state, and includes the first uplink burst of the uplink subframe that does not acquire the receiving state, the first uplink burst is ignored; otherwise The first uplink burst acquired to complete the reception state.
  • the at least one uplink subframe is any one of the uplink subframes or all uplink subframes or the first uplink subframe or the last uplink subframe of the first uplink burst.
  • the reference subframe is selected to complete at least one uplink subframe in each of the at least one first uplink burst acquired in the receiving state, and the CWS is maintained with the base station side.
  • the details are not described herein.
  • the reference subframe is at least one uplink subframe in each of the at least one first uplink burst that is closest to the predefined time before the predefined time, and the predefined time is on the second uplink. Before the start of the burst.
  • the base station can only obtain the receiving state of the uplink subframe before the scheduled downlink subframe, but consider The scheduling delay of the 4 ms, the user can not only obtain the uplink subframe before the scheduled downlink subframe, but also obtain the HARQ indication of the uplink subframe that overlaps with the downlink burst when the base station uses the cross-carrier scheduling.
  • the base station can acquire the uplink subframe before 1 ms, such as the reception state of #n+3, and issue a retransmission schedule in the next downlink subframe, such as #n+5, then the user is #n+7 Before the CCA is executed in the uplink subframe, ⁇ #n, #n+1, #n+3 ⁇ can be used as the reference set.
  • the UE cannot classify the uplink subframe before the start time of all the first uplink bursts as a reference set, for example, the HARQ process 4 at time #n+5, the earliest base station It may be indicated to the UE at time #n+7, so #n+5 cannot be assigned to the reference set.
  • the selection of the uplink reference subframe may be limited to an uplink subframe before the fifth predefined moment, and the predefined moment is before the start time of the first uplink burst of the UE, and the start of the first uplink burst of the UE.
  • the interval between times is a predefined time.
  • the predefined time is a reception detection processing delay of the base station and/or the UE, and the predefined time is determined by the protocol or locally determined by the UE.
  • the predefined length of time is, for example, 1ms-4ms.
  • the reference subframe is all uplink subframes or first uplink subframes or lasts in each of the first uplink bursts of the at least one first uplink burst that is closest to the predefined time before the predefined time.
  • An uplink subframe, the predefined time is before the start time of the second uplink burst.
  • the reference subframe is at least one of the uplink subframes in which the UE sends the uplink information in each of the at least one first uplink burst that is closest to the predefined time before the predefined time.
  • An uplink subframe; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE;
  • the reference subframe is the first uplink in the uplink subframe of the uplink information sent by the UE in each of the at least one first uplink burst that is closest to the predefined time before the predefined time.
  • the subframe or the first uplink subframe or the last uplink subframe; the first uplink burst is that each uplink subframe is a first uplink burst sent by the base station scheduling UE.
  • the reference subframe is at least one that is closest to the predefined time before the predefined time.
  • the UE acquires at least one reference subframe in the uplink subframe of the receiving state;
  • the reference subframe is a first uplink burst in each of the at least one first uplink burst that is closest to the predefined time before the predefined time, and the UE acquires all uplink subframes in the uplink subframe of the receiving state. Frame or first uplink subframe or last uplink subframe.
  • the reference subframe may be at least one of each of the first uplink bursts in the at least one first uplink burst that is closest to the control signaling before the UE sends the second uplink burst.
  • An uplink subframe may be at least one of each of the first uplink bursts in the at least one first uplink burst that is closest to the control signaling before the UE sends the second uplink burst.
  • the reference subframe is, before the UE sends the second uplink burst, the distance control signaling is the closest, and all the uplinks in each of the at least one first uplink burst in the receiving state acquisition are completed.
  • the at least one uplink subframe in the first uplink burst does not acquire the receiving state, and includes the first uplink burst of the uplink subframe that does not acquire the receiving state, the first uplink burst is ignored; otherwise The first uplink burst acquired to complete the reception state.
  • the at least one uplink subframe is any one of the uplink subframes or all uplink subframes or the first uplink subframe or the last uplink subframe of the first uplink burst.
  • the reference subframe is all uplink subframes or first uplink subframes in each of the first uplink bursts in the at least one first uplink burst that is closest to the predefined time in the predefined time window.
  • the frame or the last uplink subframe, the end time of the time window is a predefined time.
  • the reference subframe is all uplink subframes or the first uplink subframe or the last one of each of the first uplink bursts of the n first uplink bursts that are closest to the predefined time before the predefined time
  • the predefined time is before the start time of the second uplink burst, where n is a preset number and n is an integer greater than 0.
  • the reference subframe is, before the predefined time, from the start time of the change of the CWS of the first uplink burst to the start of each of the first uplink bursts in the first uplink burst between the predefined times All uplink subframes or first uplink subframes or last uplink subframes, wherein the first uplink burst in which the CWS changes is the first change of the CWS that is closest to the predefined time before the predefined time Upstream burst.
  • the UE receives at least one control signaling sent by the base station, and each control signaling in the at least one control signaling includes a contention window information or an idle channel evaluation CCA back-off counter initial value or hybrid automatic generated based on the contention window information.
  • the UE is based on at least one Determining a CWS of the second uplink burst for the HARQ indication of the at least one uplink subframe in the reference subframe, and determining, by the UE, the CCA back of the second uplink burst according to the CWS of the second uplink burst The back counter initial value; wherein the at least one control signaling is control signaling that carries control information for the UE, and may be scheduled for at least one uplink subframe in the second uplink burst, or may be second Other uplink subframes other than the uplink burst are scheduled.
  • the control signaling scheduling UE in the downlink subframe #n sends a second uplink burst, and the second uplink burst includes an uplink subframe #n+4, and the control signaling scheduling UE in the downlink subframe #n+2 Sending another uplink burst after the second uplink burst, where the other uplink burst includes the uplink subframe #n+6, the UE may also according to the HARQ included in the control signaling in the downlink subframe #n+2 Indicates the CWS that determines the second upstream burst.
  • the second uplink The sent CWS is determined to be the same as the CWS of the third uplink burst, that is, when the second uplink burst and the third uplink burst correspond to the same reference subframe, the CWS of the second uplink burst and the third uplink are performed.
  • the burst is the same without having to adjust again.
  • the CWS of the two uplink bursts are adjusted,
  • the CWS may be repeatedly adjusted in the next uplink burst. For example, if the receiving state of the transport block in the reference subframe is NACK, the UE adds the CWS according to the NACK, and adds the NACK according to the NACK before sending the second uplink burst.
  • the CWS is such that the CWS for the second upstream burst is adjusted too high.
  • the latter uplink burst should be made, that is, the CWS of the second uplink burst is equal to the previous uplink burst. That is, the CWS of the third uplink burst; or, if the third uplink burst and the second uplink burst are two adjacent but temporally discontinuous uplink bursts, and the two uplink bursts correspond to the same reference
  • the CWS of the second uplink burst is kept unchanged or the same compared to the third uplink burst.
  • the third uplink burst is that each uplink subframe is a third uplink burst that the base station schedules the UE to send, that is, the third uplink burst is at least one of the uplink subframes that the base station schedules the UE to send.
  • the reference subframe corresponding to the second uplink burst and the second uplink burst includes: at least one uplink subframe in the third uplink burst and the first uplink subframe in the second uplink burst The time interval between them is less than the first preset time length.
  • the time interval between the third uplink burst and the second uplink burst is relatively short. That is, the UE receives no HARQ reception status for the uplink subframe in the third uplink burst sent by the base station; otherwise, if the distance between the two is relatively far, the UE may receive the third uplink burst.
  • the uplink subframe in the third uplink burst may be determined as the reference subframe, so that the reference subframe corresponding to the third uplink burst is different.
  • the first preset time length may be 3 ms or 4 ms or 5 ms.
  • the at least one uplink subframe of the third uplink burst may be one of the uplink subframes of the third uplink burst, and more specifically, may be the first uplink subframe or the last uplink of the third uplink burst.
  • a subframe, where the at least one uplink subframe may be a base station scheduling UE, or may be that the UE actually occupies and transmits information.
  • the third uplink burst is composed of the base station scheduling UE transmitting uplink subframes #n and #n+1, and the UE does not preempt the channel before #n and preempts the channel before #n+1 and occupies #n+1.
  • the at least one uplink subframe may be #n (the first uplink subframe scheduled by the base station), or may be #n+1 (the first uplink subframe in which the UE actually occupies and transmits information).
  • the first uplink subframe of the second uplink burst is a first uplink subframe of the UE scheduled by the base station.
  • the reference subframe corresponding to the second uplink burst and the second uplink burst further includes, before the second uplink burst, the UE receives the UL grant that is closest to the second uplink burst and received by the UE.
  • the time of the uplink grant UL grant is earlier than the at least one uplink subframe of the third uplink burst, or the time when the UE receives the UL grant is not earlier than the at least one uplink subframe of the third uplink burst and the at least one uplink subframe
  • the time interval between the frame and the time when the UE receives the UL grant is less than the second preset time length.
  • the base station sends the UE to send The UL grant received before the second uplink burst does not have a long time after the third uplink burst, and the base station cannot demodulate the reception of the at least one subframe in the third uplink burst before transmitting the UL grant.
  • the UE still cannot receive the HARQ information of the at least one subframe, and cannot use it as a reference subframe, thereby selecting a reference subframe that is temporally more forward than the previous uplink burst, and thus the reference with the third uplink burst.
  • the subframes are the same. Specifically, the time when the UE receives the UL grant is before the third uplink burst, or the time when the UE receives the UL grant is after the third uplink burst but with the third uplink burst.
  • the time at which the UE receives the UL grant may include the subframe in which the UE receives the UL grant, and specifically, may be the downlink subframe in which the UL grant is located or the Nth subframe after the downlink subframe in which the UL grant is located, for example, N may be equal to 1 or 2.
  • the subframe in which the UL grant is received is the Nth subframe after the downlink subframe in which the UL grant is located, the subframe that is closest to the second uplink burst and the UL grant received by the UE is at least higher than the second uplink.
  • the first uplink burst includes subframe #n-9
  • the second uplink burst includes subframe #n
  • the third uplink burst includes subframes #n-3 and #n- 2.
  • At least one subframe in the third uplink burst is the first subframe of the third uplink burst, that is, #n-3
  • the first preset time length is 4 ms.
  • the time interval between the first subframe #n of the second uplink burst and the first subframe #n-3 of the third uplink burst is 3 ms, which is smaller than the first preset time length, so the second uplink
  • the reference subframes corresponding to the third uplink burst are all subframes #n-9 in the first uplink burst.
  • the CWS of the second uplink burst should be the same as the CWS of the third uplink burst, that is, remain unchanged.
  • the first uplink burst includes subframe #n-10
  • the second uplink burst includes subframe #n
  • the third uplink burst includes subframes #n-4 and #n- 3.
  • At least one subframe in the third uplink burst is the first subframe of the third uplink burst, that is, #n-4
  • the second preset time length is 3 ms
  • the UE receives before the third uplink burst.
  • the UL grant that is closest to the third uplink burst is in subframe #n-6
  • the UE receives the UL grant closest to the second uplink burst before the second uplink burst in subframe #n-2.
  • #n-2 is later than the first subframe #n-4 of the third uplink burst, and the time interval between #n-4 and 2n-4 is 2ms, which is less than the second preset time length, so the second uplink burst
  • the reference subframes corresponding to the third uplink burst are subframes #n-10 in the first uplink burst.
  • the CWS of the second uplink burst should be the same as the CWS of the third uplink burst, that is, remain unchanged.
  • the first uplink burst includes subframe #n-10
  • the second uplink burst includes subframe #n
  • the third uplink burst includes subframes #n-4 and #n- 3.
  • the at least one subframe in the third uplink burst is the first subframe of the third uplink burst, that is, #n-4
  • the distance received by the UE before the third uplink burst is the closest to the third uplink burst.
  • UL grant In subframe #n-6, the UE receives the UL grant closest to the second uplink burst before the second uplink burst in subframe #n-6.
  • the reference header corresponding to the second uplink burst and the third uplink burst The frames are all subframes #n-10 in the first uplink burst.
  • the CWS of the second uplink burst should be the same as the CWS of the third uplink burst, that is, remain unchanged.
  • the method for determining the contention window information in the embodiment of the present invention can determine the contention window information of the second uplink burst of the UE by referring to the receiving state of the subframe, so that the UE can obtain suitable contention window information, thereby being able to pass random Back-off channel listening for fair channel access.
  • the apparatus 300 shown in FIG. 19 includes a determining unit 310, a generating unit 320, and a sending unit 330.
  • the determining unit 310 is configured to determine, according to the receiving state of the reference subframe, the contention window information of the second uplink burst of the user equipment UE, where the contention window information includes a contention window length CWS, a time of the contention window, or a message indicating that the UE triggers the CWS adjustment. make;
  • the generating unit 320 is configured to generate at least one control signaling that is scheduled for at least one uplink subframe in the second uplink burst, where each control signaling in the at least one control signaling includes contention window information or is generated based on contention window information.
  • the idle channel evaluates the initial value of the CCA backoff counter;
  • the sending unit 330 is configured to send at least one control signaling to the UE.
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • the determining unit 310 is further configured to:
  • the CWS is increased, otherwise the CWS is decreased.
  • the determining unit 310 is further configured to:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • the apparatus 300 herein is embodied in the form of a functional unit.
  • the term "unit” here May refer to an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group processor, etc.) and a memory for executing one or more software or firmware programs. , merge logic, and/or other suitable components that support the described functionality.
  • ASIC Application Specific Integrated Circuit
  • the apparatus 300 may be specifically the base station in the foregoing embodiment, and the apparatus 300 may be used to perform various processes and/or steps corresponding to the base station in the foregoing method embodiments, in order to avoid Repeat, no longer repeat them here.
  • FIG. 20 shows an apparatus 400 for determining contention window information according to an embodiment of the present invention.
  • the apparatus 400 includes:
  • the receiving unit 410 is configured to receive, by the base station, at least one control signaling that is scheduled for at least one uplink subframe in the second uplink burst, where each control signaling in the at least one control signaling includes a contention window information or a contention-based window.
  • the determining unit 420 is configured to determine, according to the at least one control signaling, an initial value of the CCA backoff counter of the second uplink burst;
  • the processing unit 430 performs CCA on the second uplink burst according to the initial value of the CCA backoff counter of the second uplink burst.
  • the determining unit 420 is further configured to: according to the contention window information included in the control signaling that is closest to the second uplink burst before the second uplink burst, or the initial value of the CCA backoff counter generated based on the contention window information,
  • the determining unit 420 is further configured to determine a CWS of the second uplink burst according to the HARQ indication in the at least one control signaling for the at least one uplink subframe in the reference subframe.
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • the determining unit 420 is further configured to:
  • the HARQ indication is an initial transmission indication, reducing the CWS
  • the HARQ indication for each uplink subframe in the reference subframe is not received, but the HARQ indication of at least one uplink subframe in the received reference subframe, and the HARQ indication is an initial indication, remains unchanged or subtracted Small CWS;
  • the CWS remains unchanged or decreased.
  • the determining unit 420 is further configured to:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • the apparatus 400 herein is embodied in the form of a functional unit.
  • the term "unit” herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor for executing one or more software or firmware programs (eg, a shared processor, a proprietary processor, or a group). Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • the device 400 may be specifically the user equipment in the foregoing embodiment, and the device 400 may be used to perform various processes and/or steps corresponding to the user equipment in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • FIG. 21 shows an apparatus 500 for determining contention window information provided by an embodiment of the present invention.
  • the device can be a base station, and the device 500 can include a processor 520 and a transmitter 510.
  • the processor 520 is configured to determine, according to the receiving state of the reference subframe, the contention window information of the second uplink burst of the user equipment UE, where the contention window information includes a contention window length CWS, a time of the contention window, or a message indicating that the UE triggers the CWS adjustment. make;
  • each of the at least one control signaling includes a contention window information or an idle channel evaluation CCA generated based on the contention window information Rollback counter initial value;
  • the transmitter 510 sends at least one control signaling to the UE.
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • processor 520 is further configured to:
  • the CWS is increased, otherwise the CWS is decreased.
  • processor 520 is further configured to:
  • the CWS is increased.
  • the CWS is decreased
  • the CWS is increased or decreased.
  • processor 520 is further configured to:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • apparatus 500 can also include a memory 530 coupled to processor 520, a receiver 540 that can be used to store instructions, a storage frame structure, etc., and a receiver 540 that can be used to receive instructions and the like.
  • Processor 510 can be a baseband processor, a communications processor, a digital signal processor, or an application specific integrated circuit or the like. The processor 510 is configured to execute instructions stored by the memory 530.
  • the transmitter 510, the processor 520, the memory 530, and the receiver in the device 500 540 or the like can be connected through the bus system 550.
  • apparatus 500 in FIG. 21 can be used to perform the method in the embodiments of the present invention, and the foregoing and other operations and/or functions of the various parts in the base station are respectively implemented to implement the respective processes of the respective methods on the base station side in FIG. For the sake of brevity, we will not repeat them here.
  • the device can be a user device, and the device 600 shown in FIG. 22 can include a processor 620 and a receiver 610.
  • the receiver 610 is configured to receive, by the base station, at least one control signaling that is scheduled for at least one uplink subframe in the second uplink burst, where each control signaling in the at least one control signaling includes a contention window information or a contention-based window.
  • the information generated idle channel evaluates the CCA backoff counter initial value or the hybrid automatic retransmission HARQ indication, and the contention window information includes the time of the contention window length CWS or the contention window or signaling indicating that the user equipment UE triggers the CWS adjustment.
  • the processor 620 is configured to determine, according to the at least one control signaling, an initial value of the CCA backoff counter of the second uplink burst, and perform CCA on the second uplink burst according to the initial value of the CCA backoff counter.
  • the processor 620 is further configured to: according to the contention window information included in the control signaling that is closest to the second uplink burst before the second uplink burst, or the initial value of the CCA backoff counter generated based on the contention window information,
  • the processor 620 is further configured to determine, according to the HARQ indication of the at least one uplink subframe in the reference subframe, the CWS of the second uplink burst according to the at least one control signaling;
  • the reference subframe includes at least one uplink subframe of the at least one first uplink burst of the UE, where the first uplink burst is before the second uplink burst, and the second uplink burst and the first uplink burst are in time.
  • the first uplink burst includes at least one uplink subframe
  • the second uplink burst includes at least one uplink subframe.
  • processor 620 is further configured to:
  • the HARQ indication for each uplink subframe in the reference subframe is not received, but the HARQ indication of at least one uplink subframe in the received reference subframe, and the HARQ indication is an initial indication, remains unchanged or subtracted Small CWS;
  • the CWS remains unchanged or decreased.
  • processor 620 is further configured to:
  • the first uplink burst, the second uplink burst, and the third uplink burst are discontinuous in time, and the third uplink burst is between the first uplink burst and the second uplink burst, and the third uplink burst
  • the transmission includes at least one uplink subframe.
  • apparatus 600 can also include a memory 630 coupled to processor 620, a transmitter 640 that can be used to store instructions, a storage frame structure, etc., and a transmitter 640 that can be used to transmit instructions or information, and the like.
  • Processor 610 can be a baseband processor, a communications processor, a digital signal processor, or an application specific integrated circuit or the like.
  • the processor 620 is configured to execute instructions stored by the memory 630.
  • the receiver 610, the processor 620, the memory 630, the transmitter 640, and the like in the device 600 can be connected by the bus system 650.
  • apparatus 600 in FIG. 22 can be used to perform the method in the embodiments of the present invention, and the above and other operations and/or functions of the various parts in the user equipment are respectively implemented to implement the respective methods on the user equipment side in FIG. The corresponding process, for the sake of brevity, will not be described here.
  • the disclosed systems, devices, and The method can be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of cells is only a logical function division. In actual implementation, there may be another division manner. For example, multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例提供了一种确定竞争窗信息的方法，该方法包括根据参考子帧的接收状态，确定UE的第二上行突发的竞争窗信息，生成对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，向UE发送至少一个控制信令。本发明实施例的确定竞争窗信息的方法和装置，通过向UE发送控制信令，进而能够调整UE的竞争窗信息，使UE能够获取合适的竞争窗，从而通过随机回退的信道侦听实现公平的信道接入。

Description

确定竞争窗信息的方法和装置 技术领域
本发明涉及通信领域，尤其涉及通信领域中的确定竞争窗信息的方法和装置。
背景技术
授权辅助接入的长期演进(Licensed-Assisted Access using Long Term Evolution，简称“LAA-LTE”)系统，通过载波聚合(Carrier Aggregation，简称“CA”)技术，可以将可用的频谱扩展到5GHz非授权频段，再利用授权频谱实现无缝覆盖以及承载部分时延要求高的业务，非授权频谱承载部分数据业务。
虽然非授权频谱相比于授权频谱具有成本低廉，带宽丰富等优点，但是，在同一非授权载波上，可能工作着以Wi-Fi为代表的802.11等其他无线通信系统，由于Wi-Fi设备和LAA设备可能不由同一运营商铺设，因而无法统一进行规划部署，同时这些发送节点可能会有较低的地理隔离度，无线信号干扰相比于同一运营商不同设备之间的干扰更加严重。
为了实现在非授权频谱上满足和WiFi等异系统的友好共存，LAA系统可以采用先听后发(Listen-Before-Talk，简称“LBT”)信道接入机制，利用空闲信道评测(Clear Channel Assessment，简称“CCA”)对通信信道进行检测，当通信信道为空闲时，无线通信设备可占用该通信信道发送信息，当通信信道为繁忙时，不占用该通信信道，等待其他无线通信设备占用结束后再占用。
WiFi系统和LAA下行传输，采用基于随机回退的侦听机制，发送节点每次数据发送前先在1～p之间生成随机整数M，其中整数p为竞争窗长(Contention Window Size，简称“CWS”)，然后以侦听时隙为粒度持续进行信道侦听，若在当前侦听时隙检测到信道空闲，则将M减一，直到M降至零后发送节点立即发送信号；另外，发送节点在侦听之前根据接收到的ACK/NACK信息动态调整CWS，可以在网络拥塞较重的时候增加CWS，以缓解不同发送节点同时回退到零并发送信息导致碰撞，从而引入较重干扰的情况。
为了实现公平的非授权频谱资源共享以及有效的干扰抑制，LAA上行传输也可以采用基于随机回退的侦听机制以及动态调整的CWS，但是如何设计合理的LAA上行CWS调整方案，是亟待解决的问题。
发明内容
本发明实施例提供了一种确定竞争窗信息的方法和装置，使用户设备(User Equipment，简称“UE”)能够获取合适的竞争窗信息，从而通过随机回退的信道侦听实现公平的信道接入。
第一方面，本发明实施例提供了一种确定竞争窗信息的方法，该方法包括：
根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示UE触发CWS调整的信令；
生成针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中的每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测(Clear Channel Assessment，简称“CCA”)回退计数器初始值；
向UE发送至少一个控制信令；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
因此，本发明实施例的确定竞争窗信息的方法，基站通过参考子帧的接收状态，能够确定UE的第二上行突发的竞争窗信息，使UE能够获取合适的竞争窗信息，从而能够通过随机回退的信道侦听，实现公平的信道接入。
可选地，第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
可选地，第一上行突发为，每一个上行子帧都是基站检测到UE发送的第一上行突发。
可选地，参考子帧为，在第一上行突发中基站检测到UE发送的至少一个上行子帧。
可选地，参考子帧为第一上行突发中至少一个完成基站接收状态检测的上行子帧。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近的至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧。
可选地，参考子帧为，在向UE发送控制信令之前，在预定义的时间窗内，距离控制信令最近的至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，时间窗的结束时刻为向UE发送控制信令的起始时刻，
或者，参考子帧为，在向UE发送控制信令之前，从第一上行突发的CWS发生变化的起始时刻至发送控制信令时刻之间的所有第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，CWS发送变化的第一上行突发为距离控制信令最近的CWS发送变化的第一上行突发。
可选地，参考子帧为，至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
可选地，确定用户设备UE的第二上行突发的竞争窗信息，包括：
当参考子帧中至少一个上行子帧的接收状态为错误时，则增加CWS，否则减小CWS；
或者，当参考子帧中每一个上行子帧的接收状态为错误时，则增加CWS，否则减少CWS。
可选地，确定UE的第二上行突发的竞争窗信息，还包括：
在参考子帧中，当接收状态为错误的上行子帧数目大于第一预设门限时，增加CWS；当接收状态为错误的上行子帧数目小于第一预设门限时，减小CWS；当接收状态为错误的上行子帧数目等于第一预设门限时，增加或减小CWS；或者，
在参考子帧中，当接收状态为错误的上行子帧数目与全部上行子帧数目的比例大于第二预设门限时，则增加CWS；当接收状态为错误的上行子帧数目与全部上行子帧数目的比例小于第二预设门限时，则减小CWS；当接收状态为错误的上行子帧数目与全部上行子帧数目的比例等于第二预设门限时，则增加或减小CWS。
其中，第一预设门限和/或第二预设门限可以是协议预定义的。这样，无需经过复杂的计算过程，可以基于与预定义的第一预设门限或第二预设门限 的大小关系确定CWS调整，减小了计算成本，进而能够提高效率。
可选地，该方法还包括：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
第二方面，本发明实施例提供了一种确定竞争窗信息的方法，该方法包括：
接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传(Hybrid Automatic Repeat reQuest，简称“HARQ”)指示，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示用户设备UE触发CWS调整的信令；
根据至少一个控制信令，确定第二上行突发的CCA回退计数器初始值；
根据第二上行突发的CCA回退计数器初始值，对第二上行突发进行CCA。
可选地，确定第二上行突发的CCA回退计数器初始值，包括：
根据在第二上行突发之前，距离第二上行突发最近的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定第二上行突发的第一个上行子帧的CCA回退计数器初始值；
或者，根据第二上行突发中第一个上行子帧的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定第二上行突发的第一个上行子帧的CCA回退计数器初始值。
可选地，确定第二上行突发的CCA回退计数器初始值，还包括：
根据至少一个控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS；
根据第二上行突发的CWS，确定第二上行突发的CCA回退计数器初始值；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
可选地，第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
可选地，第一上行突发为，每一个上行子帧都是UE发送的第一上行突发。
可选地，参考子帧为，在第一上行突发中UE发送的至少一个上行子帧。
可选地，参考子帧为第一上行突发中UE获取接收状态的至少一个上行子帧。
可选地，参考子帧为，接收基站发送针对第二上行突发的控制信令之前，距离控制信令最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
可选地，参考子帧为，在预定义的时间窗内，接收基站发送针对第二上行突发的控制信令之前，距离控制信令最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，时间窗的结束时刻为基站向UE发送控制信令的起始时刻，
或者，参考子帧为，接收基站发送针对第二上行突发的控制信令之前，从第一上行突发的CWS发生变化的起始时刻到距离控制信令最近的所有第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，CWS发送变化的第一上行突发为，在接收基站发送针对第二上行突发的控制信令之前，距离控制信令最近的CWS发送变化的第一上行突发。
可选地，参考子帧为，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
可选地，参考子帧为，在预定义的时间窗内，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，时间窗的结束时刻为UE的第二上行突发的起始时刻，
或者，参考子帧为，UE发送第二上行突发之前，从第一上行突发的CWS 发生变化的起始时刻到发送第二上行突发的起始时刻之间的所有第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，CWS发送变化的第一上行突发为，UE发送第二上行突发之前，距离第二上行突发的起始时刻最近的CWS发送变化的第一上行突发。
可选地，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，预定义时刻在第二上行突发的起始时刻之前。
可选地，参考子帧为，在预定义的时间窗内，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，时间窗的结束时刻为预定义时刻，
或者，参考子帧为，在预定义时刻之前，从第一上行突发的CWS发生变化的起始时刻到预定义时刻之间的所有第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，CWS发生变化的第一上行突发为，在预定义时刻之前，距离预定义时刻最近的CWS发生变化的第一上行突发。
可选地，参考子帧为至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
可选地，确定第二上行突发的CWS，包括：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示中至少一个为重传指示，则增加CWS；
当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则减小CWS；
当未接收到针对参考子帧中每一个上行子帧的HARQ指示，但接收到的参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则保持不变或减小CWS；
当未接收到针对参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小CWS。
可选地，确定第二上行突发的CWS，还包括：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目大于或等于第一预设门限时，则增加CWS；
或当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目与参考子帧中全部上行子帧数目的比例大于或 等于第二预设门限时，则增加CWS；
或当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目大于或等于第三预设门限，则减小CWS；
或当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目与参考子帧中全部上行子帧数目的比例大于或等于第四预设门限，则减小CWS；
或当未接收到针对参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小CWS。
可选地，方法还包括：在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
可选地，第三上行突发中的至少一个上行子帧与第二上行突发中的第一个上行子帧之间的时间间隔小于第一预设时间长度。
可选地，UE接收到上行授权UL grant的时刻早于第三上行突发中的至少一个上行子帧；或者，
UE接收到UL grant的时刻不早于第三上行突发中的至少一个上行子帧且第三上行突发中的至少一个上行子帧与UE接收到UL grant的时刻之间的时间间隔小于第二预设时间长度；
其中，UL grant为第二上行突发之前，距离第二上行突发最近且UE接收到的UL grant。
第三方面，提供了一种用于确定竞争窗信息的装置，包括确定单元，用于根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示UE触发CWS调整的信令；
生成单元，生成针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中的每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值；
发送单元，用于向UE发送至少一个控制信令；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
该装置用于执行上述第一方面或第一方面的任意可能的实现方式中的确定竞争窗信息的方法。例如，该装置可以为基站。
第四方面，提供了一种用于确定竞争窗信息的装置，该装置为用户设备，该装置包括：接收单元，用于接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示用户设备UE触发CWS调整的信令；
确定单元，用于根据至少一个控制信令，确定第二上行突发的CCA回退计数器初始值；
处理单元，根据第二上行突发的CCA回退计数器初始值，对第二上行突发进行CCA。
该装置用于执行上述第二方面或第二方面的任意可能的实现方式中的确定竞争窗信息的方法。例如，该装置可以为用户设备。
第五方面，提供了一种用于确定竞争窗信息的装置，该装置包括：接收器、发送器、存储器、处理器和总线系统。其中，该接收器、该发送器、该存储器和该处理器通过该总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，以控制接收器接收信号，并控制发送器发送信号，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第一方面或第一方面的任意可能的实现方式中的方法。
第六方面，提供了一种用于确定竞争窗信息的装置，该装置包括：接收器、发送器、存储器、处理器和总线系统。其中，该接收器、该发送器、该存储器和该处理器通过该总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，以控制接收器接收信号，并控制发送器发送信号，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第二方面或第二方面的任意可能的实现方式中的方法。
第七方面，提供了一种计算机可读介质，用于存储计算机程序，该计算 机程序包括用于执行第一方面或第一方面的任意可能的实现方式中的方法的指令。
第八方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用于执行第二方面或第二方面的任意可能的实现方式中的方法的指令。
因此，本发明实施例的确定竞争窗信息的方法和装置，基站通过参考子帧的接收状态，能够确定UE的第二上行突发的竞争窗信息，使UE能够获取合适的竞争窗信息，从而能够通过随机回退的信道侦听，实现公平的信道接入。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为根据本发明实施例的应用场景的示意图。
图2为根据本发明实施例的确定竞争窗信息的方法的示意性流程图。
图3为根据本发明实施例的确定竞争窗长度的方法的另一示意图。
图4(a)和图4(b)为根据本发明实施例的确定竞争窗长度的方法的另一示意图。
图5为根据本发明实施例的确定竞争窗长度的方法的另一示意图。
图6(a)至图6(c)为根据本发明实施例的确定竞争窗长度的方法的另一示意图。
图7(a)至图7(c)为根据本发明实施例的确定竞争窗长度的方法的另一示意图。
图8(a)至图8(d)为根据本发明实施例的确定竞争窗长度的方法的再一示意图。
图9为根据本发明实施例的第一上行突发的示意图。
图10为根据本发明实施例的第一上行突发的另一示意图。
图11为根据本发明实施例的上行子帧接收状态的示意图。
图12为根据本发明实施例的上行子帧接收检测时延的示意图。
图13(a)至图13(c)为根据本发明实施例的参考子帧的示意图。
图14(a)至图14(c)为根据本发明实施例的参考子帧的另一示意图。
图15为根据本发明实施例的参考子帧的另一示意图。
图16(a)至图16(c)为根据本发明实施例的参考子帧的另一示意图。
图17(a)至图17(c)为根据本发明实施例的参考子帧的另一示意图。
图18为根据本发明实施例的参考子帧的再一示意图。
图19是本发明实施例的用于确定竞争窗信息的装置的示意性框图。
图20是本发明实施例的用于确定竞争窗信息的装置的另一示意性框图。
图21是本发明实施例的用于确定竞争窗信息的装置的另一示意性框图。
图22是本发明实施例的用于确定竞争窗信息的装置的再一示意性框图。
图23(a)至图23(c)为根据本发明实施例的参考子帧的再一示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
图1示出了本发明实施例应用的通信系统100。该通信系统100可以包括至少一个网络设备110。网络设备100可以是与终端设备通信的设备，如基站或基站控制器等。每个网络设备100可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域(小区)内的终端设备(例如UE)进行通信。该网络设备100可以是GSM系统或码分多址(Code Division Multiple Access，简称为“CDMA”)系统中的基站(Base Transceiver Station，简称为“BTS”)，也可以是WCDMA系统中的基站(NodeB，简称为“NB”)，还可以是LTE系统中的演进型基站(Evolutional Node B，简称为“eNB”或“eNodeB”)，或者是云无线接入网络(Cloud Radio Access Network，简称为“CRAN”)中的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备、未来5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，简称为“PLMN”)中的网络设备等。
在本发明实施例中，该通信系统100可以是蜂窝物联网(Cellular IoT，简称为“CIoT”)，CIoT系统是基于现有蜂窝网络基础架构的一类重要的机器类型通信(Machine Type Communication，简称为“MTC”)通信系统。未 来物联网通信的主要业务范围可能涵盖智能抄表、医疗检测监控、物流检测、工业检测监控、汽车联网、智能社区以及可穿戴设备通信等等。围绕MTC通信构造的物联网产业被认为是信息产业在继计算机、互联网和移动通信网之后的第四次浪潮，是未来网络的发展方向。此外，CIoT系统对网络和终端设备还有大覆盖、高连接数、低成本和低功耗的需求。
该无线通信系统100还包括位于网络设备110覆盖范围内的多个终端设备120。该终端设备120可以是移动的或固定的。该终端设备120可以指接入终端、用户设备(User Equipment，简称为“UE”)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，简称为“SIP”)电话、无线本地环路(Wireless Local Loop，简称为“WLL”)站、个人数字处理(Personal Digital Assistant，简称为“PDA”)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，简称为“PLMN”)中的终端设备等。
图1示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本发明实施例对此不做限定。
可选地，该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本发明实施例不限于此。
应理解，本发明实施例的应用场景可以是在非授权频谱上的LTE系统中，例如LAA-LTE系统中。具体地，发送节点可以通过CA技术将多个载波进行聚合，例如，将非授权载波和授权载波进行聚合，或者将非授权载波和非授权载波进行聚合。
更具体地，载波分配场景包括以下三种：
1.授权频谱和非授权频谱共站部署，即授权频谱和非授权频谱被同一个发送节点聚合，该节点将授权载波设置为PCC，将非授权载波设置为SCC。
2.授权频谱和非授权频谱非共站部署，例如，授权频谱部署在宏基站，非授权频谱部署在低功率节点，该低功率节点可以包括微小区(Micro cell)、微微小区(Pico cell)、家庭基站(Femto cell)、远端射频头(Remote radio head)、 中继(Relay)等，宏基站和低功率节点之间通过理想或非理想的回传链路连接。
3.非授权频谱独立部署在发送节点上，即发送节点只使用非授权频谱，而不使用授权频谱。
应理解，本发明实施例涉及的网元主要是指可以工作在非授权频谱上的基站和UE，其中，基站可以是宏基站、微小区、微微小区、家庭基站、远端射频头、中继等；UE可以是手机、能接入LTE系统的笔记本电脑、平板电脑等终端设备，本发明对此不做任何限制。
应理解，本发明实施例仅以LAA-LTE系统为例进行说明，但本发明并不限于此，根据本发明实施例的方法和装置还可以应用于其它通信系统；类似地，本发明实施例也仅以LTE中的演进型基站(Evolved Node B，简称为“e-NB或e-NodeB”)和UE为例进行说明，但本发明并不限于此。
图2为根据本发明实施例的确定竞争窗信息的方法的示意性流程图，如图2所示，该方法包括：
S210，基站根据参考子帧的接收状态，确定UE的第二上行突发的竞争窗信息，该竞争窗信息为CWS或竞争窗的时间或指示UE触发CWS调整的信令。
在S210中，基站可以通过参考子帧中的循环冗余码校验(Cyclic Redundancy Check，简称“CRC”)的校验码判断UE发送的参考子帧中的每一个上行子帧的接收状态，如果校验码正确，则基站判断接收正确，即正确(ACK)状态，如果校验码错误，则基站判断接收错误，即错误(NACK)状态。
应理解，参考子帧可以为UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第二上行突发包括至少一个上行子帧，第一上行突发包括至少一个上行子帧。若第二上行突发包括至少两个上行子帧，则至少两个上行子帧中任意相邻的两个上行子帧可以时间上连续，也可以时间上不连续；若第一上行突发包括至少两个上行子帧，则至少两个上行子帧中任意相邻的两个上行子帧可以时间上连续，也可以时间上不连续。
应理解，对于至少两个上行子帧时间上是连续的情况，第一上行突发可以与之前或之后的上行子帧时间上连续，即一串时间上连续的上行子帧集合 中一段时间连续的上行子帧子集，也可以与之前和之后的上行子帧时间上不连续，即第一上行突发与第一上行突发之后的上行子帧在时间上不连续；第二上行突发与第二上行突发之前的上行子帧在时间上不连续，第二上行突发与第二上行突发之后的上行子帧在时间上不连续；第二上行突发可以与之前或之后的上行子帧时间上连续，即一串时间上连续的上行子帧集合中一段时间连续的上行子帧子集，也可以与之前和之后的上行子帧时间上不连续，即第二上行突发与第二上行突发之前的上行子帧在时间上不连续，第二上行突发与第二上行突发之后的上行子帧在时间上不连续。
还应理解，在第二上行突发之前的上行突发可以统称为第一上行突发。
S220，基站生成针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值。
在S220中，该竞争窗信息可以为CWS或竞争窗的时间或指示UE触发CWS调整的信令，其中，该CWS为针对第二上行突发进行CCA的最大回退数值，即CCA的回退计数器初始值N的上限，例如，当CWS为15，则CCA回退计数器初始值N在[1，15]之间均匀随机生成；该竞争窗的时间，为针对第二上行突发进行CCA的最大回退时间长度，即CWS乘以每个CCA时隙的时间粒度，例如，当CWS为15，CCA时隙的时间粒度为9us，则竞争窗的时间长度为15*9us＝135us；该指示UE触发CWS调整的信令，例如，1比特的信令，指示UE触发CWS的增加/减小，或者2比特的信令，指示UE触发CWS的增加/减小/保持不变。
应理解，在S220中，CCA回退计数器初始值可以由CWS或者由竞争窗的时间生成。具体地，若由CWS生成的回退计数器初始值，则在[1,CWS]之间均匀随机生成，若由竞争窗的时间生成的回退计数器初始值，则先将竞争窗的时间除以9us后折算成CWS，然后在[1，CWS]之间均匀随机生成。
可选的，该控制信令可以针对第二上行突发的一个子帧。
可选的，该控制信令可以针对第二上行突发的至少两个上行子帧。
具体的，如果控制信令针对第二上行突发的一个子帧，则一个下行子帧中承载的该控制信令调度UE在一个上行子帧上发送上行信息；如果控制信令针对第二上行突发的至少两个子帧，即多子帧调度，则一个下行子帧中承载的该控制信令调度UE至少两个子帧的每个子帧上发送上行信息。
S230，基站向UE发送至少一个控制信令。
在S230中，基站向UE发送至少一个控制信令，该控制信令可以发送给UE的第二上行突发中的第一个上行子帧，或发送给UE的第二上行突发中的每一个上行子帧。
应理解，控制信令可以包含在物理层下行控制信道(Physical Downlink Control Channel，简称“PDCCH”)或者增强物理层下行控制信道(Enhanced Physical Downlink Control Channel，简称“EPDCCH”)的用户特定搜索空间中，进一步的，可以包含在PDCCH的上行授权(UL grant)中。
S240，UE接收基站根据参考子帧，发送的针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，控制信令包括竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值。
S250，UE根据至少一个控制信令，确定第二上行突发的CCA回退计数器初始值。
在S250中，UE接收基站发送的竞争窗信息或者基于竞争窗信息生成的CCA回退计数器初始值，生成CCA回退计数器初始值。
具体地，当UE接收基站发送的竞争窗信息为CWS，UE可以从0到CWS之间均匀随机生成CCA回退计数器初始值；当UE接收基站发送竞争窗信息为竞争窗时间，UE可以将竞争窗时间除以CCA时隙粒度，折算成CWS，UE从0到CWS之间均匀随机生成CCA回退计数器初始值；当UE接收基站UE触发CWS调整的信令，且UE收到的信令指示增加CWS，则UE将收到竞争窗信息时刻之前最近的CWS增加，例如加倍，作为新的CWS；如果UE收到的控制信令指示减小CWS，则UE将收到竞争窗信息时刻之前最近的CWS减小，例如减小为最小值，作为新的CWS；当UE收到的信令指示保持CWS不变，则UE将收到竞争窗信息时刻之前最近的CWS作为新的CWS，最终，UE从0到新的CWS之间均匀随机生成CCA回退计数器初始值；当UE接收基站发送的CCA回退计数器初始值，则直接将回退计数器赋值为接收到的CCA回退计数器初始值。
应理解，UE可以根据获取到的基站针对第二上行突发中某一个上行子帧的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定第二上行突发的第一个上行子帧的回退计数器。
可选地，UE根据基站发送的针对第二上行突发中的第一个上行子帧进 行调度的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值，确定针对UE的第二上行突发的CCA回退计数器初始值。
应理解，所述第一上行子帧为基站调度UE发送的第一个上行子帧或用户实际发送的第一个上行子帧。
可选地，UE根据在所述第二上行突发之前，距离第二上行突发最近的控制信令中的竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值，确定第二上行突发的CCA回退计数器初始值。
下面将具体介绍基站或者UE确定竞争窗信息中的CWS的方法。
具体地，可以如图3所示，考虑到基站调度时延约为4ms，UE在第二上行突发的第一个上行子帧进行侦听之前，不仅收到了针对第一个上行子帧的控制信令，可能也会收到针对后续上行子帧，或者针对后续上行突发的控制信令。这种情况下，如图3所示，UE可以采用被调度的上行突发的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值，该竞争窗信息例如CWS，进一步地，UE可以采用被调度的上行突发的第一个上行子帧的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值，该竞争窗信息例如CWS；或者UE可以采用距离被调度的第二上行突发最近接收到的控制信令(即针对后续上行突发的控制信令)中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器的初始值，该竞争窗信息例如CWS。
S260，根据第二上行突发的CCA回退计数器初始值，对第二上行突发进行CCA。
在S260中，UE可以只针对第二上行突发的第一个上行子帧进行CCA，而对该上行突发的后续的时域上连续的上行子帧，即使收到针对这些后续上行子帧的控制信令指示了竞争窗信息，UE也并不再额外执行CCA而是直接发送上行信息。
可选地，当UE由于未接收基站针对第二上行突发的第一个上行子帧的控制信令，或者在基站该第二上行突发的第一个上行子帧之前未完成CCA，则将UE开始发送数据的上行子帧定义为第二上行突发的第一个上行子帧。
应理解，UE执行CCA可以发生在第二上行突发的第一个上行子帧之前，这里第二上行突发的第一个上行子帧是UE实际发送的至少一个上行子帧的第一个上行子帧，而不是基站调度的至少一个的上行子帧的第一个上行子 帧。也就是说，UE没有在基站控制信令指示的第一个上行子帧发送上行信息，即UE由于没正确接收基站控制信令指示的第二上行突发的第一个上行子帧的控制信令，或者在基站控制信令指示的第二上行突发的第一个上行子帧之前没有完成CCA，而在后续子帧开始发送，则UE开始数据发送的上行子帧为第二上行突发的第一个上行子帧。
具体地，如图4(a)所示，如果UE没有收到基站控制信令指示的时域上连续的上行子帧的第一个上行子帧对应的控制信令，而收到了基站控制信令指示的时域上连续的上行子帧的后续子帧对应的控制信令。在这种情况下，如果UE收到针对该后续子帧的控制信令中包含的竞争窗信息，则UE执行CCA所采用的CWS根据该竞争窗信息确定。
例如，如图4(b)所示，如果UE未收到针对该后续子帧的控制信令中包含的竞争窗信息(即基站不是在针对每个上行子帧的控制信令中都指示竞争窗信息，而只将竞争窗信息放在针对基站调度的时域上连续的上行子帧的第一个上行子帧对应的控制信令中)，则UE采用之前最近的一次执行CCA所采用的CWS生成CCA回退计数器初始值。
可选地，当UE收到基站针对第二上行突发的第一个上行子帧进行调度的控制信令，但在控制信令指示的该第一个上行子帧之前没有抢占到信道，且UE收到基站针对第二上行突发的后续上行子帧进行调度的控制信令，则UE采用控制信令指示的第一个上行子帧之后的上行子帧的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定CCA回退计数器并重新开始一个CCA。
可选地，当UE收到基站调度第二上行突发的第一个上行子帧的控制信令，而在控制信令指示的该第一个上行子帧之前没有抢占到信道，即没有完成CCA回退，则UE针对基站调度第二上行突发的后续上行子帧继续该CCA回退。
另外，当UE收到基站调度第二上行突发的第一个上行子帧的UL grant，而在UL grant指示的该第一个上行子帧之前没有抢占到信道，那么UE在发送基站UL grant指示的时域上连续的上行子帧的后续子帧之前，仍然要执行CCA。具体地，UE可以采用UL grant中包含的针对该后续子帧的竞争窗信息或CCA回退计数器初始值确定CCA回退计数器，重新开始一个CCA；或者UE可以继续针对前一个上行子帧的CCA回退。
具体而言，在本发明实施例中，基站可以首先确定参考子帧，然后再根据参考子帧的接收状态，确定如何调整UE的竞争窗信息，最后通过下行控制信令，将竞争窗信息或基站侧生成的CCA随机回退计数器初始值发送给UE。例如，通过PDCCH的UL grant将竞争窗信息或基站侧生成的CCA随机回退计数器初始值发送给UE。UE根据该控制信令中的信息，可以确定第二上行突发的CCA回退计数器初始值，然后UE可以根据该CCA回退计数器初始值，对第二上行突发进行CCA。
应理解，第一上行突发中的上行子帧可以为基站调度UE发送的上行子帧，第一上行突发在第二上行突发之前，基站可以通过第一上行突发中上行子帧的接收状态，确定UE在第二上行突发前侦听信道所用的CWS。
因此，本发明实施例的确定竞争窗信息的方法，通过基站通过参考子帧的接收状态，能够确定UE的第二上行突发的竞争窗信息，使UE能够获取合适的竞争窗信息，从而能够通过随机回退的信道侦听，实现公平的信道接入。
在确定第二上行突发的竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器的初始值之前，根据参考子帧，确定UE的第三上行突发的竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器的初始值；
可选地，本发明实施例的基站确定竞争窗信息的方法，还包括：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括一个上行子帧或者至少两个时间上连续的上行子帧。若第三上行突发包括至少两个上行子帧，则至少两个上行子帧中任意相邻的两个上行子帧可以时间上连续，也可以时间上不连续。
应理解，当两个不同的上行突发，例如，第二上行突发和第三上行突发，对应的参考子帧相同时，那么基站应该避免在调度这两个上行突发时，额外地增加或减小CWS。
例如，如图5所示，参考子帧为第一上行突发{#n,#n+1}、第三上行突发 为子帧#n+6、第二上行突发为子帧#n+8，第二上行突发和第三上行突发都对应参考子帧{#n，#n+1}，且该参考子帧传错，基站可以在调度#n+6时，指示#n+6的CWS增加为31；由于子帧#n+6和子帧#n+8的参考子帧相同，那么子帧#n+8，应采用与#n+6相同的CWS，即31，而不是基于#n+6的CWS再次增加为63。
上述介绍了本发明实施例的确定竞争窗信息的方法，下面将具体介绍如何根据参考子帧的接收状态，确定UE的第二上行突发的竞争窗信息。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的CWS方法，包括：
当参考子帧中的至少一个上行子帧的接收状态为错误时，则增加CWS。
应理解，在基站确定UE的第二上行突发的CWS之前，当参考子帧中至少一个上行子帧的接收状态为错误，且基站已经连续至少一次按照CWS预设的最大值，生成回退计数器的初始值，则CWS保持不变，或者将CWS设置为预设的最小值。
当参考子帧中的每一个上行子帧的接收状态为正确时，则减小CWS。
还应理解，在基站确定针对UE的第二上行突发的CWS之前，当参考子帧中每一个上行子帧的接收状态都为正确，且CWS已经到达预设的最小值时，则CWS保持不变。
进一步地，当所述参考子帧中至少一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则所述CWS保持不变，或者将所述至少一个参考子帧忽略，不用于所述CWS的调整。
应理解，当基站具备检测判断UE是否发送上行子帧的能力，则可以将UE未占用上行子帧发送信息的参考子帧忽略，而不用于调整CWS。例如基站利用解调参考信号(DeModulation Reference Signal，简称“DM-RS”)，如果检测到DM-RS信号存在，则判断UE发送上行子帧，如果检测不到DM-RS，则基站可以判断UE没有发送上行子帧，并可以将该子帧忽略。因此，若至少一个参考子帧的接收状态为错误且至少一个参考子帧中的每一个上行子帧为基站检测到UE未发送的上行子帧，则CWS保持不变，或者将其忽略，不作为CWS调整的依据。
例如，当CWS的取值集合为{15，31，63}，且UE的第一个上行突发 和第二个上行突发分别包含时域上连续的两个上行子帧，可以将第一个上行突发的两个上行子帧作为第二个上行突发的参考子帧，可以将第二个上行突发的两个上行子帧作为第三个上行突发的参考子帧。
如图6(a)所示，当参考子帧中至少一个上行子帧的接收状态为NACK时，则增加CWS，当参考子帧中的每一个上行子帧的接收状态都为ACK时，减小CWS。由于第一个上行突发中存在一个上行子帧的接收状态为错误，则基站判断需要将UE的第二个上行突发的CWS从15增加到31，又因为第二个上行突发中每一个上行子帧的接收状态为正确，则基站判断需要将UE的第三个上行突发的CWS从31减少到15。
如图6(b)所示，由于第二个上行突发中存在一个上行子帧的接收状态为错误，但此时CWS已经达到最大值，假设用最大CWS值生成CCA回退计数器初始值1次后，若仍判断需要增加CWS，则将CWS重设为最小值，即可以将UE的第三个上行突发的CWS重设为最小值15。
如图6(c)所示，由于第一个上行突发中的两个上行子帧的接收状态都正确，则基站可以将UE的第二个上行突发传输的CWS减少到最小值15；又由于第二个上行突发中的两个上行子帧的接收状态都正确，则基站可以将UE的第三个上行突发传输的CWS保持最小值15。
应理解，上述确定增加CWS的条件为，参考子帧中至少一个上行子帧为NACK，与上述确定增加CWS的条件不同，下面确定增加CWS的条件为，参考子帧中所有上行子帧均为NACK时，则增加CWS。
可选地，本发明实施例的确定UE的第二上行突发的竞争窗信息的方法，例如，确定UE的第二上行突发的CWS的方法，还包括：
当参考子帧中的每一个上行子帧的接收状态为错误时，则增加CWS。
应理解，在基站确定UE的第二上行突发的CWS之前，当参考子帧中每一个上行子帧的接收状态都为错误，且基站已经连续至少一次按照CWS的预设的最大值，生成CCA回退计数器初始值，则CWS保持不变，或者CWS设置为预设的最小值。
当参考子帧中的至少一个上行子帧的接收状态为正确时，则减少CWS。
应理解，在基站确定UE的第二上行突发的CWS之前，当参考子帧中至少一个上行子帧的接收状态为正确，且CWS已经到达预设的最小值时，则CWS保持不变。
进一步地，当参考子帧中的每一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则所述CWS保持不变，或者将所述至少一个参考子帧忽略，不用于所述CWS的调整。
应理解，基站若可以检测到参考子帧中的每一个上行子帧UE都未占用发送上行信息，则将每一个参考子帧忽略，不用于CWS调整。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的竞争窗的时间的方法，包括：
当参考子帧中的至少一个上行子帧的接收状态为错误时，则增加竞争窗的时间，
当参考子帧中的每一个上行子帧的接收状态为正确时，则减小竞争窗的时间。
进一步地，当所述参考子帧中至少一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则所述竞争窗的时间保持不变，或者将所述至少一个参考子帧忽略，不用于所述竞争窗的时间的调整。
可选地，确定UE的第二上行突发的竞争窗的时间的方法，还包括：
当参考子帧中的每一个上行子帧的接收状态为错误时，则增加竞争窗的时间，
当参考子帧中的至少一个上行子帧的接收状态为正确时，则减少竞争窗的时间。
进一步地，当所述参考子帧中至少一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则所述竞争窗的时间保持不变，或者将所述至少一个参考子帧忽略，不用于所述竞争窗的时间的调整。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的UE触发CWS调整的信令的方法，包括：
当参考子帧中的至少一个上行子帧的接收状态为错误时，则确定触发增加CWS的指示，
当参考子帧中的每一个上行子帧的接收状态为正确时，则确定触发减小 CWS的指示；
进一步地，当所述参考子帧中至少一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则确定触发CWS保持不变，或者将所述至少一个参考子帧忽略，不用于触发CWS调整的信令。
可选地，确定UE的第二上行突发的UE触发CWS调整的信令的方法，还包括：
当参考子帧中的每一个上行子帧的接收状态为错误时，则确定触发增加CWS的指示，
当参考子帧中的至少一个上行子帧的接收状态为正确时，则确定触发减小CWS的指示。
进一步地，当参考子帧中的每一个上行子帧的接收状态为错误，且所述至少一个上行子帧中的每一个上行子帧为基站检测到所述UE未发送的上行子帧时，则确定触发CWS保持不变，或者将所述每一个参考子帧忽略，不用于触发CWS调整的信令。
应理解，基站确定竞争窗的时间以及指示UE触发CWS调整的信令，与确定CWS原理类似，这里不再赘述。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的CWS的方法，还包括：
在参考子帧中，当接收状态为错误的上行子帧数目大于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例大于第二预设门限时，则增加CWS；
应理解，在基站确定针对UE的第二上行突发的CWS之前，当参考子帧中接收状态为错误的上行子帧数目大于或等于第一预设门限，或参考子帧中接收状态为错误的上行子帧与参考子帧中全部上行子帧的比例大于或等于第二预设门限，且基站已经连续至少一次按照CWS的预设的最大值，生成CCA回退计数器初始值，则CWS保持不变，或者CWS设置为预设的最小值。
当接收状态为错误的上行子帧数目小于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例小于第二预设门限时，则减小CWS。
可选地，当接收状态为错误的上行子帧数目等于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例等于第二预设门限时，则增加 或减小CWS。
应理解，在基站确定针对UE的第二上行突发的CWS之前，当参考子帧中接收状态为错误的上行子帧数目小于等于或小于第一预设门限，或参考子帧中接收状态为错误的上行子帧与参考子帧中全部上行子帧的比例小于等于或小于第二预设门限，且CWS已经到达预设的最小值时，则CWS保持不变。
应理解，第一预设门限和/或第二预设门限可以是协议预定义的。这样，无需经过复杂的计算过程，可以基于与预定义的第一预设门限或第二预设门限的大小关系确定CWS调整，减小了计算成本，进而能够提高效率。
进一步地，在参考子帧中，若至少一个参考子帧为基站检测到所述UE未发送的上行子帧时，则将所述至少一个参考子帧忽略，不用于所述CWS的调整。
应理解，将所述至少一个参考子帧忽略包括，所述接收状态为错误的上行子帧数目中不包括所述至少一个参考子帧，所述全部上行子帧中不包括所述至少一个参考子帧。
例如，当CWS的取值集合为{15，31，63}，UE的第一个上行突发和第二个上行突发分别包含在时域上连续的两个上行子帧，假设第一个上行突发的两个上行子帧为第二个上行突发的参考子帧，第二个上行突发的两个上行子帧为第三个上行突发的参考子帧；假设第二预设门限为80％，当参考子帧中至少有80％的上行子帧的接收状态为NACK时，则判断需要增加CWS，反之减小CWS。
如图7(a)所示，当第一个上行突发中50％的上行子帧的接收状态为错误，低于第二预设门限，即80％时，则基站可以将UE的第二个上行突发的CWS从31减小到最小值15；当第二个上行突发中100％的上行子帧的接收状态为错误，高于第二预设门限80％时，则基站可以将UE的第三个上行突发的CWS从15增加到31。
如图7(b)所示，当第二个上行突发中100％上行子帧的接收状态为错误，高于第二预设门限80％时，但此时CWS已经达到最大值，假设用CWS的最大值，生成CCA回退计数器初始值1次后，若仍判断需要增加CWS，则将CWS重设为最小值，即将UE的第三个上行突发传输的CWS重设为最小值15。
如图7(c)所示，当第二个上行突发传输中50％的上行子帧的接收状态为错误，低于第二预设门限80％时，且CWS已经达到最小值，则基站可以将UE的第三个上行突发传输的CWS，保持为最小值15。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的竞争窗的时间的方法，还包括：
在参考子帧中，当接收状态为错误的上行子帧数目大于第一预设门限，则增加竞争窗的时间；当接收状态为错误的上行子帧数目小于第一预设门限，则减小竞争窗的时间；当接收状态为错误的上行子帧数目等于第一预设门限，则增加或减小竞争窗的时间。
或当接收状态为错误的上行子帧与全部上行子帧的比例大于第二预设门限时，则增加竞争窗的时间；当接收状态为错误的上行子帧与全部上行子帧的比例小于第二预设门限时，则减小竞争窗的时间。
当接收状态为错误的上行子帧与全部上行子帧的比例等于第二预设门限时，则增加或减小竞争窗的时间。
进一步地，在参考子帧中，若至少一个参考子帧为基站检测到所述UE未发送的上行子帧时，则将所述至少一个参考子帧忽略，不用于所述竞争窗时间的调整。
可选地，本发明实施例的确定UE的第二上行突发传输的竞争窗信息的方法，例如，确定UE的第二上行突发的UE触发CWS调整的信令的方法，还包括：
在参考子帧中，当接收状态为错误的上行子帧数目大于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例大于第二预设门限时，则确定触发增加CWS的指示；
当接收状态为错误的上行子帧数目小于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例小于第二预设门限时，则确定触发减小CWS的指示。
可选地，当接收状态为错误的上行子帧数目等于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例等于第二预设门限时，则确定触发增加CWS的指示或触发减小CWS的指示。
进一步地，在参考子帧中，若至少一个参考子帧为基站检测到所述UE未发送的上行子帧时，则将所述至少一个参考子帧忽略，不用于触发CWS 调整的信令。
应理解，基站确定竞争窗的时间以及指示UE触发CWS调整的信令，与确定CWS原理类似，这里不再赘述。
应理解，基站还可以向UE发送包括HARQ指示的控制信令，UE可以根据HARQ指示，确定第二上行突发的CCA回退计数器初始值。
在确定第二上行突发的竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器的初始值之前，根据参考子帧，确定UE的第三上行突发的竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器的初始值；
可选地，本发明实施例的用户确定竞争窗长度的方法，还包括：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。若第三上行突发包括至少两个上行子帧，则至少两个上行子帧中任意相邻的两个上行子帧可以时间上连续，也可以时间上不连续。
应理解，当两个不同的上行突发，例如第二上行突发和第三上行突发，对应的参考子帧相同时，那么基站应该避免在调度这两个上行突发时，额外地增加或减小CWS。
应理解，该参考子帧为UE的参考子帧，与基站侧的参考子帧选择规则略有不同，在后续将详细介绍。
可选地，当控制信令包括HARQ指示时，确定第二上行突发的CCA回退计数器初始值，包括：
根据控制信令中参考子帧的至少一个混合自动重传HARQ指示，确定第二上行突发的CWS；根据CWS，确定第二上行突发的CCA回退计数器初始值。
可选地，UE根据控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS，包括：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且至少一个HARQ指示为重传指示，则增加CWS；
当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则减小CWS；
当未接收到针对参考子帧中每一个上行子帧的HARQ指示，但接收到参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则保持不变或减小CWS；
当未接收到针对参考子帧的HARQ指示，则保持不变或减小CWS。
进一步地，当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且至少一个HARQ指示为重传指示，若所述至少一个上行子帧中每一个上行子帧都为UE未发送的上行子帧时，则保持CWS不变，或者将所述每一个上行子帧忽略，不用于所述CWS的调整。
可选地，UE根据控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS，包括：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传指示，则减小CWS；
当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指示均为重传指示，则增加CWS；
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示均为重传指示，则保持不变或减小CWS；
当未接收到针对参考子帧的HARQ指示，则保持不变或减小CWS。
进一步地，当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指示均为重传指示，若所述每一个上行子帧都为UE未发送的上行子帧时，则保持CWS不变，或者将所述每一个上行子帧忽略，不用于所述CWS的调整。
具体地，当CWS的取值集合为{15,31,63}，UE第一个上行突发和第二个上行突发分别包含时域连续的两个上行子帧，假设第一个上行突发的两个上行子帧为第二个上行突发的参考子帧，参考子帧集合为{#n，#n+1}。
如图8(a)所示，UE在参考子帧#n的HARQ进程1传错，并且基站调度了该HARQ进程1的重传，UE收到UL grant中指示HARQ进程1且NDI未翻转，判断该子帧为重传子帧，因此，将CWS加倍后进行侦听。
如图8(b)所示，UE在参考子帧#n的HARQ进程1和参考子帧#n+1的HARQ进程2都传对，且基站调度了两个HARQ进程的初传，UE收到 UL grant中指示两个进程的NDI都翻转，判断参考集合中所有子帧都传对，因此将CWS减小后进行侦听。
如图8(c)所示，UE在参考子帧#n的HARQ进程1传错，参考子帧#n+1的HARQ进程2传对，但是基站只调度了HARQ进程2，未调度HARQ进程1的重传，UE没有收全所有参考子帧的HARQ指示，无法断定HARQ进程1是否传对，因此保持CWS不变，或将CWS减小。
如图8(d)所示，UE在参考子帧#n的HARQ进程1传错，参考子帧#n+1的HARQ进程2传对，基站没有调度这两个进程的重传/初传，UE没有收到两个参考子帧中任一个的HARQ指示，无法断定HARQ进程1和HARQ进程2是否传对，因此保持CWS不变，或将CWS减小。
可选地，UE根据控制信令中针对参考子帧的至少一个HARQ指示，确定第二上行突发的CWS，还包括：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目大于或等于第一预设门限时，则增加CWS；
或当接收到针对参考子帧中至少一个上行子帧的HARQ指示当HARQ指示为重传的上行子帧数目与参考子帧中全部上行子帧的比例大于或等于第二预设门限时，则增加CWS；
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目大于或等于第三预设门限，则减小CWS；
或当接收到针对参考子帧中至少一个上行子帧的HARQ指示，HARQ指示为初传的上行子帧数目与参考子帧中全部上行子帧的比例大于或等于第四预设门限，则减小CWS；
当未接收到针对参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小CWS。
进一步，可选地，当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目小于或等于第一预设门限，则保持不变或减小CWS；当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且指示初传的上行子帧数目小于或等于第三预设门限，则保持不变或减小CWS；
可选地，当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且指示重传的上行子帧数目与参考子帧中全部上行子帧的比例小于或等于 第二预设门限，则减小CWS或保持CWS不变；当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且指示初传的上行子帧数目与参考子帧中全部上行子帧的比例小于或等于第四预设门限，则减小CWS或保持CWS不变。
进一步地，在参考子帧中，若至少一个参考子帧为UE未发送的上行子帧时，则将所述至少一个参考子帧忽略，不用于所述CWS的调整。
上述内容主要介绍了基站根据参考子帧，确定UE的第二上行突发的竞争窗信息的方法，下面将重点阐述基站确定参考子帧的方法。
应理解，基站在确定竞争窗信息之前，还可以确定参考子帧，确定参考子帧可以先确定在第二上行突发之前的哪些上行突发可以作为第一上行突发。
可选地，第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
应理解，第一上行突发为基站调度UE发送的上行子帧中的至少一个上行子帧；若第一上行突发包括至少两个基站调度UE发送的上行子帧，则至少两个被基站调度的上行子帧可以时间上连续，也可以时间上不连续。
需要注意的是，用户被基站调度的上行子帧属于小区特定的上行子帧，但是由于基站对某一个用户的上行调度不一定是连续的，有些上行子帧没有被调度，或者调度了其他用户而没有调度该用户，而没有调度该用户的上行子帧并不能反映该用户的信道状态，因此根据基站调度的上行子帧中的至少一个上行子帧准则获取的第一上行突发可能与基于至少一个上行子帧准则获取的第一上行突发不同，且前者可以更准确地判断CWS调整。
例如，图9所示，基于时间连续的上行子帧准则选择的第一上行突发为{#n+4，#n+5，#n+6，#n+7}；基站只调度UE在子帧#n+4，#n+5，#n+7上发送上行信息，而没有调度#n+6的上行发送，或者调度了#n+6其他UE的上行发送，因此基于基站调度的上行子帧中时间连续的上行子帧准则，可以得到两个第一上行突发：{#n+4，#n+5}和{#n+7}。
可选地，所述第一上行突发为，每一个上行子帧都是基站检测到所述UE发送的第一上行突发。
应理解，第一上行突发为基站检测到UE实际发送的上行子帧中的至少一个上行子帧，即在确定第一上行突发时，忽略基站检测到UE未发送上行 信息的上行子帧，例如由于UE可能没抢占到信道而没有占用该上行子帧，而将基站检测到UE实际发送上行信息的至少一个上行子帧作为第一上行突发。若第一上行突发包括至少两个基站检测到UE实际发送的上行子帧，则至少两个UE实际发送的上行子帧可以时间上连续，也可以时间上不连续。
应理解，基站检测到UE实际发送的上行子帧属于基站调度的上行子帧，但是由于UE可能没抢占到信道而没有发送，因此，根据基站检测到UE实际发送的上行子帧中的至少一个上行子帧准则获取的第一上行突发可能与基于基站调度的上行子帧中的至少一个上行子帧准则获取的第一上行突发不同，且前者可以更准确地判断CWS调整。
例如，图10所示，基站调度UE在子帧#n+4，#n+5，#n+7上发送上行信息，因此基于基站调度的上行子帧中时间连续的上行子帧准则，得到两个第一上行突发：{#n+4，#n+5}和{#n+7}；考虑到UE在#n+4子帧没抢占到信道，而在#n+5子帧抢占到信道并发送，基于基站检测到UE实际发送的上行子帧中时间连续的上行子帧准则得到的两个第一上行突发为{#n+5}和{#n+7}。
应理解，根据基站检测到UE实际发送的上行子帧中至少一个上行子帧准则获取第一上行突发中，所有第一上行突发的每一个上行子帧都是基站检测到UE实际发送的上行子帧，
应理解，上行传输的参考子帧可以是基站在调度第二上行突发之前接收到的第一上行突发中的一个或多个上行子帧。
但是，在下行传输中，每个下行子帧的ACK/NACK状态都可以被基站获取到，但是在上行传输中，如果参考子帧中的某个上行子帧被调度给UE，但是UE没有抢到机会发送该子帧，那么基站在检测物理层上行共享信道(Physical Hybrid-ARQ Indicator Channel，简称“PUSCH”)时，则判断接收失败，即NACK。
根据现有LTE标准版本中对基站的要求，基站可能无法确定这种接收失败的状态是因为UE没有发送上行子帧导致的，还是UE发送了上行子帧，但因为信道质量差导致基站没有检测到。
还应理解，根据基站设备的实现，有些基站可以检测出来UE是否发送上行子帧。
具体地，基站如果检测到PUSCH接收失败，则进一步检测上行子帧的 DM-RS，由于该参考信号为一个码序列，其检测成功概率大大高于PUSCH。如果基站检测到存在DM-RS，则可以判断由于信道质量差导致PUSCH接收失败，如果基站检测不到DM-RS，则判断UE实际没有发送上行子帧，从而在选择参考子帧时忽略由于UE没发送而导致基站接收PUSCH失败的上行子帧。
可选地，参考子帧为，在第一上行突发中，基站检测到UE发送的至少一个上行子帧。
应理解，在第一上行突发中，仅保留基站检测到UE实际发送的上行子帧作为参考子帧，忽略基站检测到UE未发送上行信息的上行子帧，例如，由于UE可能没抢占到信道而没有占用该上行子帧。
如图11所示，当基站具备检测判断UE是否发送上行子帧的能力：如果基站PUSCH接收成功且，检测到DM-RS，则基站可以判断UE实际发送上行子帧，将该子帧的接收状态确定为ACK；如果基站PUSCH接收失败，且检测到DM-RS，则基站可以判断UE实际发送了上行子帧，且将该子帧的接收状态，确定为NACK；如果基站PUSCH接收失败，且检测不到DM-RS，则基站可以判断UE没有发送上行子帧，并可以将该子帧忽略，不纳入参考子帧中。
还应理解，当基站不具备检测UE发送与否的能力，则需要将所有调度UE发送的第一上行突发包含的上行子帧判断为UE实际进行了发送，因此所有PUSCH接收失败的上行子帧都判断为NACK。这种情况下，可能会将UE实际未发送的上行子帧错判为NACK接收状态，导致确定UE的CWS偏大。
可选地，参考子帧为，在第一上行突发中，至少一个完成基站接收状态检测的上行子帧。
可选地，参考子帧为，在第一上行突发中，基站获取到接收状态的至少一个上行子帧。
应理解，由于对PUSCH的接收检测可能存在时延，基站可能无法在发送控制信令的上行子帧结束时刻完成对PUSCH是否成功接收的检测，因此，参考子帧的选择需要排除这部分由于PUSCH的接收检测时延而未能确定接收状态的上行子帧。
例如，如图12所示，假设参考子帧中至少一个上行子帧的接收状态为错误，则增加CWS，反之减小CWS，由于基站的接收检测存在1ms时延，则下行子帧#n+4无法确定该第一上行突发中最后一个上行子帧#n+3的PUSCH接 收状态，因此下行子帧#n+4对应的参考子帧为{#n，#n+1，#n+2}，基站发送UL grant指示减小CWS；而下行子帧#n+5对应的参考子帧为{#n，#n+1，#n+2，#n+3}，基站发送UL grant指示增加CWS。
可选地，第一上行突发中，可以选择距离基站发送控制信令的下行子帧最近的一个第一上行突发，该选择方法能够更及时反映瞬时信道状态；或者，可以选择距离基站发送控制信令的下行子帧最近的多个第一上行突发，该选择方法的参考集合中元素数目较多，能够更好地反映信道状态的平均性能。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近的至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧。
应理解，当选择第一上行突发为距离基站发送控制信令的下行子帧最近的一个第一上行突发。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近的一个第一上行突发中的全部上行子帧或第一个上行子帧或者最后一个上行子帧。
具体地，对于第一上行突发中上行子帧的选择，可以包括如图13(a)所示，参考子帧可以选择距离调度时刻之前最近的一个第一上行突发包含的所有上行子帧。
如图13(b)所示，参考子帧可以选择距离调度时刻之前最近的一个第一上行突发中的第一个上行子帧。
如图13(c)所示，参考子帧可以选择距离调度时刻之前最近的一个第一上行突发中的最后一个上行子帧。
可选地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的一个第一上行突发中，基站检测到UE发送的上行子帧中的至少一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
更进一步地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的一个第一上行突发中，基站检测到UE发送的上行子帧中的全部上行子帧或第一个上行子帧或最后一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
应理解，对于基站调度UE的上行子帧中，可能存在由于UE没抢占到信道而没有占用的子帧。
因此，如果按照基站调度的上行子帧中至少一个上行子帧准则选择第一突发，且限定参考子帧为第一突发中的全部上行子帧、第一个上行子帧或最后一个上行子帧，有可能这些子帧不满足“参考子帧为，在第一上行突发中，基站检测到UE发送的每一个上行子帧”的限定。
为了使这两条针对参考子帧的限定条件同时满足，可以选择第一突发中基站检测到UE发送的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧。
例如，第一上行突发为{#n,#n+1,#n+2,#n+3}，其中，上行子帧#n基站检测到UE未发送，而#n+1,#n+2,#n+3基站检测到发送，如果参考子帧的选择准则为第一突发中基站检测到UE发送的上行子帧里的第一个上行子帧，则选择结果为#n+1。
应理解，如果第一上行突发中不包含完成基站检测到UE发送的上行子帧，则将该第一上行突发忽略，而选择最近的一个包含至少一个完成基站检测到UE发送的上行子帧的第一上行突发。
可选地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的一个第一上行突发中，完成基站接收状态检测的上行子帧里的至少一个参考子帧；
更进一步地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的一个第一上行突发中，完成基站接收状态检测的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，由于基站对于PUSCH的接收检测时延，第一上行突发中可能存在基站未完成接收状态的上行子帧。
因此，如果限定参考子帧为第一突发中的全部上行子帧、第一个上行子帧或最后一个上行子帧，有可能这些子帧不满足“参考子帧为，在第一上行突发中，每一个完成基站接收状态检测的上行子帧”的限定。
为了使这两条针对参考子帧的限定条件同时满足，可以选择第一突发中完成接收状态的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧。
例如，第一突发为{#n,#n+1,#n+2,#n+3}，其中上行子帧#n+3未完成接收状态检测，如果参考子帧的选择准则为第一突发中完成基站接收状态检测的上行子帧里的最后一个上行子帧，则选择结果为#n+3。
应理解，如果第一上行突发中不包含完成基站接收状态检测的上行子帧，则将该第一上行突发忽略。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的一个第一上行突发中的至少一个上行子帧。
更进一步地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的一个第一上行突发中的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，如果第一上行突发中至少一个上行子帧未完成接收状态检测，则为包括未完成接收状态检测的上行子帧的第一上行突发，且该第一上行突发被忽略；否则为完成接收状态检测的第一上行突发。
进一步地，所述至少一个上行子帧为第一上行突发中任一个上行子帧或全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，将未完成基站接收状态检测的第一上行突发忽略是使两条针对参考子帧的限定条件同时满足的另一种方法。
例如，两个相邻的上行突发{#n-5,#n-4,#n-3,#n-2}和{#n,#n+1,#n+2,#n+3}，其中后一个上行突发距离基站发送控制信令最近，且上行子帧#n+3未完成接收状态检测，定义如果上行突发的最后一个上行子帧未完成接收状态检测，则该上行突发未完成接收状态检测，那么如果参考子帧选择准则为除去包括未完成接收状态检测的上行子帧的第一上行突发之外，距离控制信令最近，且完成接收状态检测的一个第一上行突发中的最后一个上行子帧，则选择结果为#n-2。
具体地，除去包括未完成接收状态检测的上行子帧的第一上行突发之外，选择距离当前发送控制信令的下行子帧最近的一个第一上行突发时，对于第一上行突发中上行子帧的选择，可以包括如图14(a)所示，参考子帧可以选择距离调度时刻之前最近的一个完成PUSCH检测的第一上行突发中的所有上行子帧。
如图14(b)所示，参考子帧可以选择距离调度时刻之前最近的一个完成PUSCH检测的第一上行突发中的第一个上行子帧。
如图14(c)所示，参考子帧可以选择距离调度时刻之前最近的一个完成PUSCH检测的第一上行突发中最后一个上行子帧。
应理解，当基站选择距离发送控制信令的下行子帧最近的多个第一上行 突发时，多个第一上行突发的选择的方法可以如下：
根据预定义的第一上行突发的数目选择第一上行突发，例如，预定义的数目为2，则选择距离发送控制信令的下行子帧最近的2个第一上行突发。
或者，根据预定义的时间窗选择第一上行突发，时间窗的结束时刻为当前发送信令的下行子帧的起始时刻，时间窗的长度为预定义长度，该预定义长度可以由协议规定，也可以由运营商自行配置，也可以由基站半静态或动态配置，例如，预定义的时间窗为5ms，则选择在发送控制信令的下行子帧时刻之前的5ms时间窗内的多个第一上行突发。
或者，选择从CWS发生变化的第一上行突发起始时刻到发送信令的下行子帧之间的所有第一上行突发。
例如，如图15所示，第一上行突发选择从CWS发生变化的上一个第一上行突发到发送信令的下行子帧之间的所有第一上行突发，CWS发生变化是指当前上行突发相比于前一个上行突发的CWS发生变化，即增加或减小CWS，该方法可以保证两个需要调整CWS的上行突发之间的第二上行突发都作为参考，且避免两个集合的重叠。
可选地，参考子帧为，在向UE发送控制信令之前，在预定义的时间窗内，距离控制信令最近的至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，时间窗的结束时刻为向UE发送控制信令的下行子帧起始时刻。
可选地，参考子帧为，在向UE发送控制信令之前，距离控制信令最近的n个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，n为预设的数目且n为大于1的整数，
或者，参考子帧为，在向UE发送控制信令之前，从第一上行突发的CWS发生变化的起始时刻至发送控制信令时刻之间的所有第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，CWS发生变化的第一上行突发为距离控制信令最近的CWS发生变化的第一上行突发。
可选地，参考子帧为，在向UE发送控制信令之前，在预定义的时间窗内，距离控制信令最近的至少一个第一上行突发中每一个第一上行突发中的所有上行子帧或者第一个上行子帧或者最后一个上行子帧，其中，时间窗的结束时刻为向UE发送控制信令的起始时刻。
可选地，参考子帧为，在向UE发送控制信令之前，距离控制信令最近 的n个第一上行突发中每一个第一上行突发中的中每一个第一上行突发中的所有上行子帧或者第一个上行子帧或者最后一个上行子帧，其中，n为预设的数目且n为大于1的整数，
或者，参考子帧为，在向UE发送控制信令之前，从第一上行突发的CWS发生变化的起始时刻至发送控制信令时刻之间的所有第一上行突发中中每一个第一上行突发中的所有上行子帧或者第一个上行子帧或者最后一个上行子帧，其中，CWS发生变化的第一上行突发为距离控制信令最近的CWS发生变化的第一上行突发。
可选地，参考子帧可以为距离发送控制信令的下行子帧最近的多个第一上行突发中每一个第一上行突发中的所有上行子帧或者第一个上行子帧或者最后一个上行子帧。
具体地，如图16(a)所示，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的所有上行子帧或者第一个上行子帧或者最后一个上行子帧。
如图16(b)所示，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的第一个上行子帧。
如图16(c)所示，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的最后一个上行子帧。
可选地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的多个第一上行突发中的每一个第一上行突发中，基站检测到UE发送的上行子帧里的至少一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
更进一步地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的多个第一上行突发中的每一个第一上行突发中，基站检测到UE发送的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
应理解，对于多个第一上行突发的情况，基站选择参考子帧为，多个第一突发中基站检测到UE发送的上行子帧中的全部上行子帧或第一个上行子帧或最后一个上行子帧，与一个上行突发的情况相同，此处不再赘述。
可选地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的多个第一上行突发中，完成基站接收状态检测的上行子帧里的至少一个 上行子帧；
更进一步地，参考子帧为，基站向UE发送控制信令之前，距离控制信令最近的多个第一上行突发中，完成基站接收状态检测的上行子帧中的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，对于多个第一上行突发的情况，基站选择参考子帧为，多个第一突发中完成接收状态检测的上行子帧中的全部上行子帧或第一个上行子帧或最后一个上行子帧，与一个上行突发的情况相同，此处不再赘述。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的多个第一上行突发中的至少一个上行子帧。
更进一步地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的多个第一上行突发中的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，如果第一上行突发中至少一个上行子帧未完成接收状态检测，则为包括未完成接收状态检测的上行子帧的第一上行突发，则该第一上行突发被忽略；否则为完成接收状态检测的第一上行突发。进一步地，所述至少一个上行子帧为第一上行突发中任一个上行子帧或全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，在选择多个第一上行突发的情况时，将未完成基站接收状态检测的第一上行突发忽略，与一个第一上行突发的情况相同，此处不再赘述。
可选地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的多个第一上行突发中的至少一个上行子帧。
更进一步地，参考子帧为，向UE发送控制信令之前，距离控制信令最近，且完成接收状态检测的多个第一上行突发中的每一个上行突发的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，如果第一上行突发中至少一个上行子帧未完成接收状态检测，则为包括未完成接收状态检测的上行子帧的第一上行突发，则该第一上行突发被忽略；否则为完成接收状态检测的第一上行突发。
进一步地，所述至少一个上行子帧为第一上行突发中任一个上行子帧或全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，在选择多个第一上行突发的情况时，将未完成基站接收状态检测的第一上行突发忽略，与一个第一上行突发的情况相同，此处不再赘述。
应理解，完成检测的全部上行子帧的PUSCH接收状态检测的多个第一上行突发，是指其中全部上行子帧都完成上行PUSCH接收状态检测，如果有任意一个子帧未完成接收状态检测，则该第一上行突发被忽略。
具体地，如图17(a)所示，忽略距离当前发送控制信令的下行子帧最近的包括未完成PUSCH接收状态检测的上行子帧的上行突发，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的所有上行子帧。
如图17(b)所示，忽略距离当前发送控制信令的下行子帧最近的包括未完成PUSCH接收状态检测的上行子帧的上行突发，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的第一个上行子帧。
如图17(c)所示，忽略距离当前发送控制信令的下行子帧最近的包括未完成PUSCH接收状态检测的上行子帧的上行突发，参考子帧为调度时刻之前最近的多个第一上行突发中每一个第一上行突发中的最后一个上行子帧。
应理解，UE的参考子帧选择可以和基站的参考子帧的选择相同，还可以与基站的参考子帧的选择有所不同。
可选地，所述第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
应理解，对于UE侧执行CWS调整时，根据基站调度的上行子帧中至少一个上行子帧准则获取的第一上行突发，与基站侧执行CWS调整相同，此处不再赘述。
应理解，第一上行突发为UE实际发送的上行子帧中至少一个上行子帧，即在确定第一上行突发时，忽略UE未发送的上行子帧，例如由于UE可能没抢占到信道而没有占用该上行子帧，而将UE实际发送且至少一个的上行子帧作为第一上行突发。
UE侧执行CWS调整时限定第一突发为UE实际发送信息的上行子帧中至少一个上行子帧，类似于基站侧执行CWS调整中，基站检测到UE实际发送信息的上行子帧中至少一个上行子帧准则。
但是不同点在于，由于UE知道哪些上行子帧是实际发送信息的上行子帧，所以不需要像基站侧执行CWS调整中，基站对上行子帧执行检测，例如DM-RS检测，以获取UE是否实际发送信息。
可选地，参考子帧为，在所述第一上行突发中所述UE发送的至少一个上行子帧。
应理解，在第一上行突发中，仅保留UE实际发送上行信息的上行子帧作为参考子帧，而忽略UE未发送上行信息的上行子帧，例如由于UE可能没抢占到信道而没有占用该上行子帧。UE侧执行CWS调整中，选择参考子帧为UE实际发送上行信息的上行子帧，类似于基站侧执行CWS调整中，选择参考子帧为，基站检测到UE发送的每一个上行子帧；但是不同点在于，由于UE知道哪些上行子帧是实际发送信息的上行子帧，所以不需要像基站侧执行CWS调整中，基站对上行子帧执行检测，例如DM-RS检测，以获取UE是否实际发送信息。
可选地，参考子帧为第一上行突发中至少一个UE获取接收状态的上行子帧。
应理解，UE对于第一上行突发的限定，类似于基站侧对于第一上行突发的限定，可以是基站调度UE的至少一个上行子帧，或者是考虑到UE不一定能抢占到每个基站调度的上行子帧，第一上行突发限定为UE实际发送的至少一个的上行子帧。
但是，与基站侧调整UE的CWS不同，UE侧调整CWS的情况下，由于基站的UL grant的重传调度是异步的，UE在下一个上行突发之前，并不一定能获取到前一个突发中每个子帧的接收状态。
因此，UE获取到参考子帧的接收状态定义为通过UL grant获取到该子帧的初传或重传指示，其中初传代表UL grant中携带与该子帧相同的HARQ进程编号，且NDI翻转，重传代表UL grant中携带与该子帧相同的HARQ进程编号，且NDI不变。UE有可能只收到一部分子帧的HARQ进程编号，或者没收到任意一个子帧的HARQ进程编号。
还应理解，如果基站并未指示某个参考子帧是否有初传或重传，那么UE无法准确判断该子帧到底是否传对，这样会影响CWS调整的准确性。因此，参考子帧进一步的限定为UE获取接收状态的上行子帧。
可选地，第一上行突发为，每一个上行子帧都是所述UE发送上行信息的第一上行突发。
应理解，第一上行突发为UE实际发送的上行子帧中时间连续的上行子帧，即在确定第一上行突发时，忽略UE未发送的上行子帧，例如由于UE 可能没抢占到信道而没有占用该上行子帧，而将UE实际发送且时间连续的上行子帧作为第一上行突发。
应理解，UE侧执行CWS调整时限定第一突发为UE实际发送信息的上行子帧中时间连续的上行子帧，类似于基站侧执行CWS调整中，基站检测到UE实际发送信息的上行子帧中时间连续的上行子帧准则。
但是不同点在于，由于UE知道哪些上行子帧是实际发送信息的上行子帧，所以不需要像基站侧执行CWS调整中，基站对上行子帧执行检测，例如DM-RS检测，以获取UE是否实际发送信息。
可选地，参考子帧为，在所述第一上行突发中所述UE发送上行信息的每一个上行子帧。
应理解，在第一上行突发中，仅保留UE实际发送上行信息的上行子帧作为参考子帧，而忽略UE未发送上行信息的上行子帧，例如由于UE可能没抢占到信道而没有占用该上行子帧。
还应理解，UE侧执行CWS调整中，选择参考子帧为UE实际发送上行信息的上行子帧，类似于基站侧执行CWS调整中，选择参考子帧为，基站检测到UE发送的每一个上行子帧；但是不同点在于，由于UE知道哪些上行子帧是实际发送信息的上行子帧，所以不需要像基站侧执行CWS调整中，基站对上行子帧执行检测，例如DM-RS检测，以获取UE是否实际发送信息。
可选地，参考子帧为，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
可选地，参考子帧为UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中所有上行子帧或第一个上行子帧或最后一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
可选地，参考子帧为，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中的每一个第一上行突发中，UE发送上行信息的上行子帧里的至少一个上行子帧；
更进一步地，参考子帧为，UE发送第二上行突发之前，距离发送第二 上行突发的起始时刻最近的至少一个第一上行突发中的每一个第一上行突发中，UE发送上行信息的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧；
应理解，对于UE侧执行CWS调整的情况，UE选择参考子帧为，至少一个第一上行突发中的每一个第一上行突发中，UE发送上行信息的上行子帧里的至少一个上行子帧，与基站侧执行CWS调整的情况下，选择一个或多个上行突发中，基站检测到UE发送的上行子帧里的至少一个参考子帧的情况相同，此处不再赘述。
可选地，参考子帧为，UE发送第二上行突发之前，距离UE发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中，UE获取接收状态的上行子帧里的至少一个参考子帧；
更进一步地，参考子帧为，UE发送第二上行突发之前，距离UE发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中，UE获取接收状态的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，对于于UE侧执行CWS调整的情况，UE选择参考子帧为，至少一个第一上行突发中每一个第一上行突发中，UE获取接收状态的上行子帧里的至少一个参考子帧，与基站侧执行CWS调整的情况下，选择一个或多个上行突发中，基站完成接收状态检测的上行子帧里的至少一个参考子帧的情况相同，此处不再赘述。
可选地，参考子帧为，在预定义的时间窗内，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，时间窗的结束时刻为UE的第二上行突发的起始时刻，
或者，参考子帧为，UE发送第二上行突发之前，距离第二上行突发的起始时刻最近的n个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，n为预设的数目且n为大于0的整数，
或者，参考子帧为，UE发送第二上行突发之前，从第一上行突发的CWS发生变化的起始时刻到发送第二上行突发的起始时刻之间的所有第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，CWS发送变化的第一上行突发为，UE发送第二上行突发之前，距离起始时刻最近的CWS 发送变化的第一上行突发。
可选地，参考子帧为，在预定义的时间窗内，UE发送第二上行突发之前，距离发送第二上行突发的起始时刻最近的至少一个第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，其中，时间窗的结束时刻为UE的第二上行突发的起始时刻，
或者，参考子帧为，UE发送第二上行突发之前，距离第二上行突发的起始时刻最近的n个第一上行突发中每一个第一上行突发中所有上行子帧或第一个上行子帧或最后一个上行子帧，，其中，n为预设的数目且n为大于1的整数，
或者，参考子帧为，UE发送第二上行突发之前，从第一上行突发的CWS发生变化的起始时刻到发送第二上行突发的起始时刻之间的所有第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，其中，CWS发送变化的第一上行突发为，UE发送第二上行突发之前，距离起始时刻最近的CWS发送变化的第一上行突发。
可选地，参考子帧为，UE发送第二上行突发之前，除去包括未获取到接收状态的上行子帧的第一上行突发之外，距离控制信令最近，且完成接收状态获取的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
更进一步地，参考子帧为，UE发送第二上行突发之前，除去包括未获取到接收状态的上行子帧的第一上行突发之外，距离控制信令最近，且完成接收状态获取的至少一个第一上行突发中每一个第一上行突发中的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，如果第一上行突发中至少一个上行子帧未获取到接收状态，则包括未获取到接收状态的上行子帧的第一上行突发，则该第一上行突发被忽略；否则为完成接收状态获取的第一上行突发。进一步地，所述至少一个上行子帧为第一上行突发中任一个上行子帧或全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，在UE侧维护CWS的情况下，选择参考子帧为完成接收状态获取的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，与基站侧维护CWS的情况下，选择完成接收状态检测的一个或多个第一上行突发中的至少一个上行子帧的情况类似，此处不再赘述。
可选的，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，预定义时刻在第二上行突发的起始时刻之前。
应理解，UE侧执行CWS调整时，参考子帧的选择有一点与基站执行CWS调整不同，基站在执行CWS调整时只能获取到调度的下行子帧之前的上行子帧的接收状态，而考虑到4ms调度时延，用户不仅可以获取到调度的下行子帧之前的上行子帧，当基站采用跨载波调度时，还可以获取到与下行突发重叠的上行子帧的HARQ指示。
具体地，如图18所示，假设基站可以获取到1ms之前上行子帧，如#n+3的接收状态，并在下一个下行子帧，如#n+5发出重传调度，那么用户在为#n+7上行子帧执行CCA之前，可以将{#n，#n+1，#n+3}作为参考集合。但是，考虑到基站和UE的接收检测时延，UE并不能将所有第一上行突发的起始时刻之前的上行子帧划作参考集合，例如#n+5时刻的HARQ进程4，基站最早可能在#n+7时刻才能指示给UE，因此不能将#n+5划入参考集合。
因此，上行参考子帧的选择可以限定于第五预定义时刻之前的上行子帧，预定义时刻在UE的第一上行突发的起始时刻之前，与UE的第一上行突发的起始时刻之间的间隔为一个预定义时间。进一步地，预定义时间为基站和/或UE的接收检测处理时延，预定义时间由协议规定或由UE本地决定。预定义时间长度为，例如1ms-4ms。
可选的，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，预定义时刻在第二上行突发的起始时刻之前。
可选地，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中的每一个第一上行突发中，UE发送上行信息的上行子帧里的至少一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发；
更进一步地，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中的每一个第一上行突发中，UE发送上行信息的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧；第一上行突发为，每一个上行子帧都是基站调度UE发送的第一上行突发。
可选地，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一 个第一上行突发中每一个第一上行突发中，UE获取接收状态的上行子帧里的至少一个参考子帧；
更进一步地，参考子帧为在预定义时刻之前，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中，UE获取接收状态的上行子帧里的全部上行子帧或第一个上行子帧或最后一个上行子帧。
可选地，参考子帧还可以为，UE发送第二上行突发之前，距离控制信令最近，且完成接收状态获取的至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
更进一步地，参考子帧为，UE发送第二上行突发之前，距离控制信令最近，且完成接收状态获取的至少一个第一上行突发中每一个第一上行突发中的全部上行子帧或第一个上行子帧或最后一个上行子帧。
应理解，如果第一上行突发中至少一个上行子帧未获取到接收状态，则包括未获取到接收状态的上行子帧的第一上行突发，则该第一上行突发被忽略；否则为完成接收状态获取的第一上行突发。进一步地，所述至少一个上行子帧为第一上行突发中任一个上行子帧或全部上行子帧或第一个上行子帧或最后一个上行子帧。
可选地，参考子帧为，在预定义的时间窗内，距离预定义时刻最近的至少一个第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，时间窗的结束时刻为预定义时刻，
或者，参考子帧为，在预定义时刻之前，距离预定义时刻最近的n个第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，预定义时刻在第二上行突发的起始时刻之前，其中，n为预设的数目且n为大于0的整数。
或者，参考子帧为，在预定义时刻之前，从第一上行突发的CWS发生变化的起始时刻到到预定义时刻之间的所有第一上行突发中每一个第一上行突发中的所有上行子帧或第一个上行子帧或最后一个上行子帧，其中，CWS发生变化的第一上行突发为，在预定义时刻之前，距离预定义时刻最近的CWS发生变化的第一上行突发。
应理解，UE接收基站发送的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示；UE根据至少一个 控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS；UE根据所述第二上行突发的CWS，确定所述第二上行突发的CCA回退计数器初始值；其中所述至少一个控制信令是承载针对该UE的控制信息的控制信令，可以是针对第二上行突发中至少一个上行子帧进行调度的，也可以是针对第二上行突发以外其他上行子帧进行调度的。例如位于下行子帧#n中的控制信令调度UE发送第二上行突发，第二上行突发包含上行子帧#n+4，位于下行子帧#n+2中的控制信令调度UE发送第二上行突发之后的另一个上行突发，该另一个上行突发包含上行子帧#n+6，则UE也可以根据下行子帧#n+2中的控制信令中包含的HARQ指示确定第二上行突发的CWS。
应理解，若UE在第二上行突发之前根据同一参考子帧确定了第三上行突发的CWS，当UE需要根据该参考子帧确定第二上行突发的CWS时，将第二上行突发的CWS确定为与该第三上行突发的CWS相同，也就是说第二上行突发与第三上行突发对应相同的参考子帧时，使第二上行突发的CWS与第三上行突发相同而不用再次调整。考虑到当两个相邻或不相邻的上行突发的参考子帧为同一个上行子帧时，若使用该参考子帧中传输块的HARQ接收状态调整这两个上行突发的CWS，会导致后一个上行突发的CWS重复调整，例如若参考子帧中传输块的接收状态为NACK，则UE根据该NACK增加了CWS，在发送第二上行突发之前又根据该NACK重复增加了CWS，使得针对第二上行突发的CWS调整得偏高。为了避免重复调整CWS的问题，当两个时间上不连续的上行突发对应同一个参考子帧时，应使后一个上行突发，即第二上行突发的CWS等于前一个上行突发，即第三上行突发的CWS；或者说，若第三上行突发与第二上行突发是前后两个相邻但时间上不连续的上行突发，且两个上行突发对应同一个参考子帧，则相比于第三上行突发，保持第二上行突发的CWS不变或者说相同。
应理解，第三上行突发为，每一个上行子帧都是基站调度UE发送的第三上行突发，也就是说，第三上行突发为基站调度UE发送的上行子帧中的至少一个上行子帧组成的上行突发；或者，第三上行突发为每一个上行子帧都是UE发送上行信息的第三上行突发，也就是说第三上行突发为由UE实际发送的上行子帧组成的上行突发。
可选的，第三上行突发与第二上行突发对应相同的参考子帧包括，第三上行突发中的至少一个上行子帧与所述第二上行突发第一个上行子帧之间的时间间隔小于第一预设时间长度。考虑到第三上行突发和第二上行突发对应到两个上行突发之前的同一参考子帧的前提条件是，第三上行突发与第二上行突发之间的时间间隔比较短，即小于第一预设时间长度，UE收不到基站发送的针对第三上行突发中上行子帧的HARQ接收状态；否则如果两者距离比较远时，UE可以收到针对第三上行突发中上行子帧的HARQ接收状态，则可以将第三上行突发中的上行子帧确定为参考子帧，这样就与第三上行突发对应的参考子帧不同。例如，第一预设时间长度可以是3ms或者4ms或者5ms。第三上行突发中的至少一个上行子帧可以是第三上行突发中的其中一个上行子帧，更具体的，可以是第三上行突发中的第一个上行子帧或者最后一个上行子帧，其中，该至少一个上行子帧可以是基站调度UE的，也可以是UE实际占用并发送信息的。例如第三上行突发由基站调度UE发送上行子帧#n和#n+1组成，UE在#n之前未抢占到信道而在#n+1之前抢占到信道并占用#n+1，则该至少一个上行子帧可以是#n(基站调度的第一个上行子帧)，或者可以是#n+1(UE实际占用并发送信息的第一个上行子帧)。所述第二上行突发第一个上行子帧为基站调度UE的第一个上行子帧。
可选的，第三上行突发与第二上行突发对应相同的参考子帧还包括，对于第二上行突发之前，距离第二上行突发最近且UE接收到的UL grant，UE接收到上行授权UL grant的时刻早于第三上行突发中的至少一个上行子帧，或者UE接收到UL grant的时刻不早于第三上行突发中的至少一个上行子帧且该至少一个上行子帧与UE接收到UL grant的时刻之间的时间间隔小于第二预设时间长度。考虑到UE是根据接收到的下行控制信道中的UL grant中包含的HARQ信息确定CWS，因此即使第三上行突发与第二上行突发时间间隔比较远，但是基站发送的能使UE在发送第二上行突发之前接收到的UL grant并没有位于第三上行突发之后比较久的时刻，则基站在发送该UL grant之前无法解调出第三上行突发中该至少一个子帧的接收状态，因此UE仍然收不到该至少一个子帧的HARQ信息，无法将其作为参考子帧，从而选择时间上更靠前一个上行突发的参考子帧，从而与第三上行突发的参考子帧相同。具体的，UE接收到该UL grant的时刻在第三上行突发之前，或者UE接收到该UL grant的时刻在第三上行突发之后但是与第三上行突发中至 少一个子帧之间的时间间隔太短(两者的时间间隔小于第二预设时间长度)时，UE无法将第三上行突发中的上行子帧作为第二上行突发的参考子帧。UE接收到UL grant的时刻可以包括UE接收到UL grant的子帧，具体的，可以是该UL grant所在的下行子帧或者该UL grant所在下行子帧之后的第N个子帧，例如N可以等于1或2。如果UE接收到UL grant的子帧是该UL grant所在的下行子帧之后的第N个子帧，则距离第二上行突发最近且UE接收到的UL grant所在的子帧上至少比第二上行突发的起始时刻早N个子帧，例如第二上行突发第一个子帧为#n，N＝2，则该UL grant所在的子帧要早于#n-2。
如图23(a)所示，假设第一上行突发包括子帧#n-9，第二上行突发包括子帧#n，第三上行突发包括子帧#n-3和#n-2，第三上行突发中的至少一个子帧为第三上行突发的第一个子帧，即#n-3，第一预设时间长度为4ms。第二上行突发的第一个子帧#n与第三上行突发的第一个子帧#n-3之间的时间间隔为3ms，小于第一预设时间长度，所以第二上行突发与第三上行突发对应的参考子帧都是第一上行突发中的子帧#n-9。此时应使第二上行突发的CWS与第三上行突发的CWS相同，即保持不变。
如图23(b)所示，假设第一上行突发包括子帧#n-10，第二上行突发包括子帧#n，第三上行突发包括子帧#n-4和#n-3，第三上行突发中的至少一个子帧为第三上行突发的第一个子帧，即#n-4，第二预设时间长度为3ms，UE在第三上行突发之前接收到的距离第三上行突发最近的UL grant在子帧#n-6，UE在子帧#n-2接收到在第二上行突发之前、距离第二上行突发最近的UL grant。#n-2晚于第三上行突发的第一个子帧#n-4，且与#n-4之间的时间间隔为2ms，小于第二预设时间长度，所以第二上行突发与第三上行突发对应的参考子帧都是第一上行突发中的子帧#n-10。此时应使第二上行突发的CWS与第三上行突发的CWS相同，即保持不变。
如图23(c)所示，假设第一上行突发包括子帧#n-10，第二上行突发包括子帧#n，第三上行突发包括子帧#n-4和#n-3，第三上行突发中的至少一个子帧为第三上行突发的第一个子帧，即#n-4，UE在第三上行突发之前接收到的距离第三上行突发最近的UL grant在子帧#n-6，UE在子帧#n-6接收到在第二上行突发之前、距离第二上行突发最近的UL grant。#n-6早于第三上行突发的第一个子帧#n-4，所以第二上行突发与第三上行突发对应的参考子 帧都是第一上行突发中的子帧#n-10。此时应使第二上行突发的CWS与第三上行突发的CWS相同，即保持不变。
因此，本发明实施例的确定竞争窗信息的方法，通过参考子帧的接收状态，能够确定UE的第二上行突发的竞争窗信息，使UE能够获取合适的竞争窗信息，从而能够通过随机回退的信道侦听，实现公平的信道接入。
图19是本发明实施例的用于确定竞争窗信息的装置300。图19所示的装置300包括确定单元310，生成单元320，发送单元330，
确定单元310，用于根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，竞争窗信息包括竞争窗长度CWS、竞争窗的时间或指示UE触发CWS调整的信令；
生成单元320，生成针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中的每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值；
发送单元330，用于向UE发送至少一个控制信令；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
可选地，确定单元310还用于：
当参考子帧中至少一个上行子帧的接收状态为错误时，则增加CWS，否则减小CWS；
或者，当参考子帧中每一个上行子帧的接收状态为错误时，则增加CWS，否则减少CWS。
可选地，确定单元310还用于：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
应理解，这里的装置300以功能单元的形式体现。这里的术语“单元” 可以指应用特有集成电路(Application Specific Integrated Circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置300可以具体为上述实施例中的基站，装置300可以用于执行上述方法实施例中与基站对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图20示出了本发明实施例提供的用于确定竞争窗信息的装置400，该装置400包括：
接收单元410，用于接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示用户设备UE触发CWS调整的信令；
确定单元420，用于根据至少一个控制信令，确定第二上行突发的CCA回退计数器初始值；
处理单元430，根据第二上行突发的CCA回退计数器初始值，对第二上行突发进行CCA。
可选地，确定单元420还用于根据在第二上行突发之前，距离第二上行突发最近的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，
或者，根据第二上行突发中第一个上行子帧的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定第二上行突发的第一个上行子帧的CCA回退计数器初始值。
可选地，确定单元420还用于根据至少一个控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS；
根据CWS，确定第二上行突发的CCA回退计数器初始值；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
可选地，确定单元420还用于：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示中至少一个为重传指示，则增加CWS；
当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则减小CWS；
当未接收到针对参考子帧中每一个上行子帧的HARQ指示，但接收到的参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则保持不变或减小CWS；
当未接收到针对参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小CWS。
可选地，确定单元420还用于：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
应理解，这里的装置400以功能单元的形式体现。这里的术语“单元”可以指应用特有集成电路(Application Specific Integrated Circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置400可以具体为上述实施例中的用户设备，装置400可以用于执行上述方法实施例中与用户设备对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图21示出了本发明实施例提供的用于确定竞争窗信息的装置500。该装置可以为基站，该装置500可以包括处理器520和发送器510，
处理器520，用于根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，竞争窗信息包括竞争窗长度CWS、竞争窗的时间或指示UE触发CWS调整的信令；
生成针对第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中的每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值；
发送器510，向UE发送至少一个控制信令；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
可选地，处理器520还用于：
当参考子帧中至少一个上行子帧的接收状态为错误时，则增加CWS，否则减小CWS；
或者，当参考子帧中每一个上行子帧的接收状态为错误时，则增加CWS，否则减少CWS。
可选地，处理器520还用于：
在参考子帧中，当接收状态为错误的上行子帧数目大于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例大于第二预设门限时，则增加CWS；
当接收状态为错误的上行子帧数目小于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例小于第二预设门限时，则减小CWS；
当接收状态为错误的上行子帧数目等于第一预设门限，或接收状态为错误的上行子帧与全部上行子帧的比例等于第二预设门限时，则增加或减小CWS。
可选地，处理器520还用于：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
另外，装置500还可以包括耦合至处理器520的存储器530、接收器540，存储器530可用于存储指令，还可用于存储帧结构等，接收器540可用于接收指令等。处理器510可以是基带处理器，通信处理器，数字信号处理器，或者专用集成电路等。处理器510用于执行存储器530所存储的指令。
应理解，装置500中的发送器510、处理器520、存储器530、接收器 540等可以通过总线系550进行连接。
应理解，图21中的装置500可用于执行本发明实施例中的方法，并且基站中的各个部分的上述和其它操作和/或功能分别为了实现图1中的基站侧的各个方法的相应流程，为了简洁，在此不再赘述。
图22是本发明实施例的用于确定竞争窗信息的装置600。该装置可以为用户设备，图22所示的装置600可以包括处理器620和接收器610。
接收器610，用于接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，至少一个控制信令中每一个控制信令包括竞争窗信息或基于竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示，竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示用户设备UE触发CWS调整的信令。
处理器620，用于根据至少一个控制信令，确定第二上行突发的CCA回退计数器初始值，根据CCA回退计数器初始值，对第二上行突发进行CCA。
可选地，处理器620还用于根据在第二上行突发之前，距离第二上行突发最近的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，
或者，根据第二上行突发中第一个上行子帧的控制信令中包含的竞争窗信息或基于竞争窗信息生成的CCA回退计数器初始值，确定第二上行突发的第一个上行子帧的CCA回退计数器初始值。
可选地，处理器620还用于根据至少一个控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定第二上行突发的CWS；
根据CWS，确定第二上行突发的CCA回退计数器初始值；
其中，参考子帧包括UE的至少一个第一上行突发中的至少一个上行子帧，第一上行突发在第二上行突发之前，第二上行突发和第一上行突发在时间上不连续，第一上行突发包括至少一个上行子帧，第二上行突发包括至少一个上行子帧。
可选地，处理器620还用于：
当接收到针对参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示中至少一个为重传指示，则增加CWS；
当接收到针对参考子帧中每一个上行子帧的HARQ指示，且HARQ指 示均为初传指示，则减小CWS；
当未接收到针对参考子帧中每一个上行子帧的HARQ指示，但接收到的参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示均为初传指示，则保持不变或减小CWS；
当未接收到针对参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小CWS。
可选地，处理器620还用于：
在确定第二上行突发的CWS之前，根据参考子帧，确定UE的第三上行突发的CWS；
确定第二上行突发的CWS等于第三上行突发的CWS；
其中，第一上行突发、第二上行突发以及第三上行突发在时间上不连续，且第三上行突发在第一上行突发和第二上行突发之间，第三上行突发包括至少一个上行子帧。
另外，装置600还可以包括耦合至处理器620的存储器630、发送器640，存储器630可用于存储指令，还可用于存储帧结构等，发送器640可用于发送指令或信息等。处理器610可以是基带处理器，通信处理器，数字信号处理器，或者专用集成电路等。处理器620用于执行存储器630所存储的指令。
应理解，装置600中的接收器610、处理器620、存储器630、发送器640等可以通过总线系统650进行连接。
应理解，图22中的装置600可用于执行本发明实施例中的方法，并且用户设备中的各个部分的上述和其它操作和/或功能分别为了实现图1中的用户设备侧的各个方法的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和 方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (60)

  1. 一种确定竞争窗信息的方法，其特征在于，包括：
    根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，所述竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示所述UE触发CWS调整的信令；
    生成针对所述第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，所述至少一个控制信令中的每一个控制信令包括所述竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器初始值；
    向所述UE发送所述至少一个控制信令；
    其中，所述参考子帧包括所述UE的至少一个第一上行突发中的至少一个上行子帧，所述第一上行突发在所述第二上行突发之前，所述第二上行突发和所述第一上行突发在时间上不连续，所述第一上行突发包括至少一个上行子帧，所述第二上行突发包括至少一个上行子帧。
  2. 如权利要求1所述的方法，其特征在于，所述第一上行突发为，每一个上行子帧都是基站调度所述UE发送的第一上行突发。
  3. 如权利要求1所述的方法，其特征在于，所述第一上行突发为，每一个上行子帧都是所述基站检测到所述UE发送的第一上行突发。
  4. 如权利要求1或2所述的方法，其特征在于，所述参考子帧为，在所述第一上行突发中所述基站检测到所述UE发送的至少一个上行子帧。
  5. 如权利要求1-4任一项所述的方法，其特征在于，所述参考子帧为所述第一上行突发中至少一个完成所述基站接收状态检测的上行子帧。
  6. 如权利要求1-5任一项所述的方法，其特征在于，所述参考子帧为，向所述UE发送所述控制信令之前，距离所述控制信令最近的至少一个所述第一上行突发中的每一个第一上行突发中的至少一个上行子帧。
  7. 如权利要求6所述的方法，其特征在于，所述参考子帧为，在向所述UE发送所述控制信令之前，在预定义的时间窗内，距离所述控制信令最近的所述至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为向所述UE发送所述控制信令的起始时刻，
    或者，所述参考子帧为，在向所述UE发送所述控制信令之前，从所述第一上行突发的CWS发生变化的起始时刻至发送所述控制信令时刻之间的 所有所述第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发送变化的第一上行突发为距离所述控制信令最近的CWS发送变化的所述第一上行突发。
  8. 如权利要求1-7任一项所述的方法，其特征在于，所述参考子帧为，所述至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
  9. 如权利要求1-8任一项所述的方法，其特征在于，所述确定UE的第二上行突发的竞争窗信息，包括：
    当所述参考子帧中至少一个上行子帧的接收状态为错误时，则增加所述CWS，否则减小所述CWS；
    或者，当所述参考子帧中每一个上行子帧的接收状态为错误时，则增加所述CWS，否则减少所述CWS。
  10. 如权利要求1-8任一项所述的方法，其特征在于，所述确定UE的第二上行突发的竞争窗信息，还包括：
    在所述参考子帧中，当所述接收状态为错误的上行子帧数目大于第一预设门限时，增加所述CWS；当所述接收状态为错误的上行子帧数目小于所述第一预设门限时，减小所述CWS；当所述接收状态为错误的上行子帧数目等于所述第一预设门限时，增加或减小所述CWS；或者，
    在所述参考子帧中，当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例大于第二预设门限时，则增加所述CWS；当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例小于所述第二预设门限时，则减小所述CWS；当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例等于所述第二预设门限时，则增加或减小所述CWS。
  11. 如权利要求1-10任一项所述的方法，其特征在于，所述方法还包括：
    在确定所述第二上行突发的CWS之前，根据所述参考子帧，确定所述UE的第三上行突发的CWS；
    确定所述第二上行突发的CWS等于所述第三上行突发的CWS；
    其中，所述第一上行突发、所述第二上行突发以及所述第三上行突发在时间上不连续，且所述第三上行突发在所述第一上行突发和所述第二上行突发之间，所述第三上行突发包括至少一个上行子帧。
  12. 一种确定竞争窗信息的方法，其特征在于，包括：
    接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，所述至少一个控制信令中每一个控制信令包括竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示，所述竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示用户设备UE触发CWS调整的信令；
    根据所述至少一个控制信令，确定所述第二上行突发的CCA回退计数器初始值；
    根据所述第二上行突发的CCA回退计数器初始值，对所述第二上行突发进行CCA。
  13. 如权利要求12所述的方法，其特征在于，所述确定所述第二上行突发的CCA回退计数器初始值，包括：
    根据在所述第二上行突发之前，距离所述第二上行突发最近的控制信令中包含的所述竞争窗信息或基于所述竞争窗信息生成的CCA回退计数器初始值，确定所述第二上行突发的第一个上行子帧的CCA回退计数器初始值；
    或者，根据所述第二上行突发中第一个上行子帧的控制信令中包含的所述竞争窗信息或基于所述竞争窗信息生成的CCA回退计数器初始值，确定所述第二上行突发的第一个上行子帧的CCA回退计数器初始值。
  14. 如权利要求12所述的方法，其特征在于，所述确定所述第二上行突发的CCA回退计数器初始值，还包括：
    根据所述至少一个控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定所述第二上行突发的CWS；
    根据所述第二上行突发的CWS，确定所述第二上行突发的CCA回退计数器初始值；
    其中，所述参考子帧包括所述UE的至少一个第一上行突发中的至少一个上行子帧，所述第一上行突发在所述第二上行突发之前，所述第二上行突发和所述第一上行突发在时间上不连续，所述第一上行突发包括至少一个上行子帧，所述第二上行突发包括至少一个上行子帧。
  15. 如权利要求14所述的方法，其特征在于，所述第一上行突发为，每一个上行子帧都是所述基站调度UE发送的第一上行突发。
  16. 如权利要求14所述的方法，其特征在于，所述第一上行突发为，每一个上行子帧都是所述UE发送的第一上行突发。
  17. 如权利要求14或15所述的方法，其特征在于，所述参考子帧为，在所述第一上行突发中所述UE发送的至少一个上行子帧。
  18. 如权利要求14-17任一项所述的方法，其特征在于，所述参考子帧为所述第一上行突发中所述UE获取接收状态的至少一个上行子帧。
  19. 如权利要求14-18任一项所述的方法，其特征在于，所述参考子帧为，接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
  20. 如权利要求19所述的方法，其特征在于，所述参考子帧为，在预定义的时间窗内，接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为所述基站向所述UE发送所述控制信令的起始时刻，
    或者，所述参考子帧为，接收所述基站发送针对所述第二上行突发的控制信令之前，从所述第一上行突发的CWS发生变化的起始时刻到距离所述控制信令最近的所有所述第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发送变化的第一上行突发为，在接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的CWS发送变化的所述第一上行突发。
  21. 如权利要求14-18任一项所述的方法，其特征在于，所述参考子帧为，所述UE发送所述第二上行突发之前，距离发送所述第二上行突发的起始时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
  22. 如权利要求21所述的方法，其特征在于，所述参考子帧为，在预定义的时间窗内，所述UE发送所述第二上行突发之前，距离发送所述第二上行突发的起始时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为所述UE的第二上行突发的起始时刻，
    或者，所述参考子帧为，所述UE发送所述第二上行突发之前，从所述第一上行突发的CWS发生变化的起始时刻到发送所述第二上行突发的起始时刻之间的所有所述第一上行突发中每一个第一上行突发中的至少一个上 行子帧，其中，所述CWS发送变化的第一上行突发为，所述UE发送所述第二上行突发之前，距离所述第二上行突发的起始时刻最近的CWS发送变化的第一上行突发。
  23. 如权利要求14-18任一项所述的方法，其特征在于，所述参考子帧为在预定义时刻之前，距离所述预定义时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，所述预定义时刻在所述第二上行突发的起始时刻之前。
  24. 如权利要求23所述的方法，其特征在于，所述参考子帧为，在预定义的时间窗内，距离所述预定义时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，所述时间窗的结束时刻为所述预定义时刻，
    或者，所述参考子帧为，在所述预定义时刻之前，从所述第一上行突发的CWS发生变化的起始时刻到所述预定义时刻之间的所有所述第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发生变化的第一上行突发为，在所述预定义时刻之前，距离所述预定义时刻最近的CWS发生变化的第一上行突发。
  25. 如权利要求14-24任一项所述的方法，其特征在于，所述参考子帧为所述至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
  26. 如权利要求14-25任一项所述的方法，其特征在于，所述确定所述第二上行突发的CWS，包括：
    当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且所述HARQ指示中至少一个为重传指示，则增加所述CWS；
    当接收到针对所述参考子帧中每一个上行子帧的HARQ指示，且所述HARQ指示均为初传指示，则减小所述CWS；
    当未接收到针对所述参考子帧中每一个上行子帧的HARQ指示，但接收到的所述参考子帧中至少一个上行子帧的HARQ指示，且所述HARQ指示均为初传指示，则保持不变或减小所述CWS；
    当未接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小所述CWS。
  27. 如权利要求14-25任一项所述的方法，其特征在于，所述确定所述 第二上行突发的CWS，还包括：
    当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目大于或等于第一预设门限时，则增加所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目与所述参考子帧中全部上行子帧数目的比例大于或等于第二预设门限时，则增加所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目大于或等于第三预设门限，则减小所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目与所述参考子帧中全部上行子帧数目的比例大于或等于第四预设门限，则减小所述CWS；
    或当未接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小所述CWS。
  28. 如权利要求14-27任一项所述的方法，其特征在于，所述方法还包括：
    在确定所述第二上行突发的CWS之前，根据所述参考子帧，确定所述UE的第三上行突发的CWS；
    确定所述第二上行突发的CWS等于所述第三上行突发的CWS；
    其中，所述第一上行突发、所述第二上行突发以及所述第三上行突发在时间上不连续，且所述第三上行突发在所述第一上行突发和所述第二上行突发之间，所述第三上行突发包括至少一个上行子帧。
  29. 如权利要求28所述的方法，其特征在于，
    所述第三上行突发中的至少一个上行子帧与所述第二上行突发中的第一个上行子帧之间的时间间隔小于第一预设时间长度。
  30. 如权利要求28所述的方法，其特征在于，
    所述UE接收到上行授权UL grant的时刻早于所述第三上行突发中的至少一个上行子帧；或者，
    所述UE接收到UL grant的时刻不早于所述第三上行突发中的至少一个上行子帧且所述第三上行突发中的所述至少一个上行子帧与所述UE接收到 所述UL grant的时刻之间的时间间隔小于第二预设时间长度；
    其中，所述UL grant为所述第二上行突发之前，距离所述第二上行突发最近且所述UE接收到的UL grant。
  31. 一种用于确定竞争窗信息的装置，其特征在于，包括：
    确定单元，用于根据参考子帧的接收状态，确定用户设备UE的第二上行突发的竞争窗信息，所述竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示所述UE触发CWS调整的信令；
    生成单元，生成针对所述第二上行突发中的至少一个上行子帧进行调度的至少一个控制信令，所述至少一个控制信令中的每一个控制信令包括所述竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器初始值；
    发送单元，用于向所述UE发送所述至少一个控制信令；
    其中，所述参考子帧包括所述UE的至少一个第一上行突发中的至少一个上行子帧，所述第一上行突发在所述第二上行突发之前，所述第二上行突发和所述第一上行突发在时间上不连续，所述第一上行突发包括至少一个上行子帧，所述第二上行突发包括至少一个上行子帧。
  32. 根据权利要求31所述的装置，其特征在于，所述第一上行突发为，每一个上行子帧都是所述装置调度所述UE发送的第一上行突发。
  33. 如权利要求31所述的装置，其特征在于，所述第一上行突发为，每一个上行子帧都是所述装置检测到所述UE发送的第一上行突发。
  34. 如权利要求31或32所述的装置，其特征在于，所述参考子帧为，在所述第一上行突发中所述装置检测到所述UE发送的至少一个上行子帧。
  35. 如权利要求31-34任一项所述的装置，其特征在于，所述参考子帧为所述第一上行突发中至少一个完成所述装置接收状态检测的上行子帧。
  36. 如权利要求31-35任一项所述的装置，其特征在于，所述参考子帧为，向所述UE发送所述控制信令之前，距离所述控制信令最近的至少一个所述第一上行突发中的每一个第一上行突发中的至少一个上行子帧。
  37. 如权利要求36所述的装置，其特征在于，所述参考子帧为，在向所述UE发送所述控制信令之前，在预定义的时间窗内，距离所述控制信令最近的所述至少一个第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为向所述UE发送所述控制信令的 起始时刻，
    或者，所述参考子帧为，在向所述UE发送所述控制信令之前，从所述第一上行突发的CWS发生变化的起始时刻至发送所述控制信令时刻之间的所有所述第一上行突发中的每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发送变化的第一上行突发为距离所述控制信令最近的CWS发送变化的所述第一上行突发。
  38. 如权利要求31-37任一项所述的装置，其特征在于，所述参考子帧为，所述至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
  39. 如权利要求31-38任一项所述的装置，其特征在于，所述确定单元还用于：
    当所述参考子帧中至少一个上行子帧的接收状态为错误时，则增加所述CWS，否则减小所述CWS；
    或者，当所述参考子帧中每一个上行子帧的接收状态为错误时，则增加所述CWS，否则减少所述CWS。
  40. 如权利要求31-38任一项所述的装置，其特征在于，所述确定单元还用于：
    在所述参考子帧中，当所述接收状态为错误的上行子帧数目大于第一预设门限时，增加所述CWS；当所述接收状态为错误的上行子帧数目小于所述第一预设门限时，减小所述CWS；当所述接收状态为错误的上行子帧数目等于所述第一预设门限时，增加或减小所述CWS；或者，
    在所述参考子帧中，当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例大于第二预设门限时，则增加所述CWS；当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例小于所述第二预设门限时，则减小所述CWS；当所述接收状态为错误的上行子帧数目与全部上行子帧数目的比例等于所述第二预设门限时，则增加或减小所述CWS。
  41. 如权利要求31-40任一项所述的装置，其特征在于，所述确定单元还用于：
    在确定所述第二上行突发的CWS之前，根据所述参考子帧，确定所述UE的第三上行突发的CWS；
    确定所述第二上行突发的CWS等于所述第三上行突发的CWS；
    其中，所述第一上行突发、所述第二上行突发以及所述第三上行突发在时间上不连续，且所述第三上行突发在所述第一上行突发和所述第二上行突发之间，所述第三上行突发包括至少一个上行子帧。
  42. 一种用于确定竞争窗信息的装置，其特征在于，包括：
    接收单元，用于接收基站发送的针对第二上行突发中至少一个上行子帧进行调度的至少一个控制信令，所述至少一个控制信令中每一个控制信令包括竞争窗信息或基于所述竞争窗信息生成的空闲信道评测CCA回退计数器初始值或混合自动重传HARQ指示，所述竞争窗信息包括竞争窗长度CWS或竞争窗的时间或指示所述装置触发CWS调整的信令；
    确定单元，用于根据所述至少一个控制信令，确定所述第二上行突发的CCA回退计数器初始值；
    处理单元，根据所述第二上行突发的CCA回退计数器初始值，对所述第二上行突发进行CCA。
  43. 如权利要求42所述的装置，其特征在于，所述确定单元还用于根据在所述第二上行突发之前，距离所述第二上行突发最近的控制信令中包含的所述竞争窗信息或基于所述竞争窗信息生成的CCA回退计数器初始值，确定所述第二上行突发的第一个上行子帧的CCA回退计数器初始值；
    或者，根据所述第二上行突发中第一个上行子帧的控制信令中包含的所述竞争窗信息或基于所述竞争窗信息生成的CCA回退计数器初始值，确定所述第二上行突发的第一个上行子帧的CCA回退计数器初始值。
  44. 如权利要求42所述的装置，其特征在于，所述确定单元还用于根据所述至少一个控制信令中针对参考子帧中至少一个上行子帧的HARQ指示，确定所述第二上行突发的CWS；
    根据所述第二上行突发的CWS，确定所述第二上行突发的CCA回退计数器初始值；
    其中，所述参考子帧包括所述装置的至少一个第一上行突发中的至少一个上行子帧，所述第一上行突发在所述第二上行突发之前，所述第二上行突发和所述第一上行突发在时间上不连续，所述第一上行突发包括至少一个上行子帧，所述第二上行突发包括至少一个上行子帧。
  45. 如权利要求44所述的装置，其特征在于，所述第一上行突发为，每一个上行子帧都是所述基站调度所述装置发送的第一上行突发。
  46. 如权利要求44所述的装置，其特征在于，所述第一上行突发为，每一个上行子帧都是所述装置发送的第一上行突发。
  47. 如权利要求44或45所述的装置，其特征在于，所述参考子帧为，在所述第一上行突发中所述装置发送的至少一个上行子帧。
  48. 如权利要求44-47任一项所述的装置，其特征在于，所述参考子帧为所述第一上行突发中所述装置获取接收状态的至少一个上行子帧。
  49. 如权利要求44-48任一项所述的装置，其特征在于，所述参考子帧为，接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
  50. 如权利要求49所述的装置，其特征在于，所述参考子帧为，在预定义的时间窗内，接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为所述基站向所述装置发送所述控制信令的起始时刻，
    或者，所述参考子帧为，接收所述基站发送针对所述第二上行突发的控制信令之前，从所述第一上行突发的CWS发生变化的起始时刻到距离所述控制信令最近的所有所述第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发送变化的第一上行突发为，在接收所述基站发送针对所述第二上行突发的控制信令之前，距离所述控制信令最近的CWS发送变化的所述第一上行突发。
  51. 如权利要求44-48任一项所述的装置，其特征在于，所述参考子帧为，所述装置发送所述第二上行突发之前，距离发送所述第二上行突发的起始时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧。
  52. 如权利要求51所述的装置，其特征在于，所述参考子帧为，在预定义的时间窗内，所述装置发送所述第二上行突发之前，距离发送所述第二上行突发的起始时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述时间窗的结束时刻为所述UE的第二上行突发的起始时刻，
    或者，所述参考子帧为，所述UE发送所述第二上行突发之前，从所述 第一上行突发的CWS发生变化的起始时刻到发送所述第二上行突发的起始时刻之间的所有所述第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发送变化的第一上行突发为，所述UE发送所述第二上行突发之前，距离所述第二上行突发的起始时刻最近的CWS发送变化的第一上行突发。
  53. 如权利要求44-48任一项所述的装置，其特征在于，所述参考子帧为在预定义时刻之前，距离所述预定义时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，所述预定义时刻在所述第二上行突发的起始时刻之前。
  54. 如权利要求53所述的装置，其特征在于，所述参考子帧为，在预定义的时间窗内，距离所述预定义时刻最近的所述至少一个第一上行突发中每一个第一上行突发中的至少一个上行子帧，所述时间窗的结束时刻为所述预定义时刻，
    或者，所述参考子帧为，在所述预定义时刻之前，从所述第一上行突发的CWS发生变化的起始时刻到所述预定义时刻之间的所有所述第一上行突发中每一个第一上行突发中的至少一个上行子帧，其中，所述CWS发生变化的第一上行突发为，在所述预定义时刻之前，距离所述预定义时刻最近的CWS发生变化的第一上行突发。
  55. 如权利要求44-54任一项所述的装置，其特征在于，所述参考子帧为所述至少一个第一上行突发中的每一个第一上行突发中的所有上行子帧或者第一个上行子帧或最后一个上行子帧。
  56. 如权利要求44-55任一项所述的装置，其特征在于，所述确定单元还用于：
    当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且所述HARQ指示中至少一个为重传指示，则增加所述CWS；
    当接收到针对所述参考子帧中每一个上行子帧的HARQ指示，且所述HARQ指示均为初传指示，则减小所述CWS；
    当未接收到针对所述参考子帧中每一个上行子帧的HARQ指示，但接收到的所述参考子帧中至少一个上行子帧的HARQ指示，且所述HARQ指示均为初传指示，则保持不变或减小所述CWS；
    当未接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，则 保持不变或减小所述CWS。
  57. 如权利要求44-55任一项所述的装置，其特征在于，所述确定单元还用于：
    当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目大于或等于第一预设门限时，则增加所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为重传的上行子帧数目与所述参考子帧中全部上行子帧数目的比例大于或等于第二预设门限时，则增加所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目大于或等于第三预设门限，则减小所述CWS；
    或当接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，且HARQ指示为初传的上行子帧数目与所述参考子帧中全部上行子帧数目的比例大于或等于第四预设门限，则减小所述CWS；
    当未接收到针对所述参考子帧中至少一个上行子帧的HARQ指示，则保持不变或减小所述CWS。
  58. 如权利要求44-57任一项所述的装置，其特征在于，所述确定单元还用于：
    在确定所述第二上行突发的CWS之前，根据所述参考子帧，确定所述UE的第三上行突发的CWS；
    确定所述第二上行突发的CWS等于所述第三上行突发的CWS；
    其中，所述第一上行突发、所述第二上行突发以及所述第三上行突发在时间上不连续，且所述第三上行突发在所述第一上行突发和所述第二上行突发之间，所述第三上行突发包括至少一个上行子帧。
  59. 如权利要求58所述的装置，其特征在于，
    所述第三上行突发中的至少一个上行子帧与所述第二上行突发中的第一个上行子帧之间的时间间隔小于第一预设时间长度。
  60. 如权利要求58所述的装置，其特征在于，
    所述UE接收到上行授权UL grant的时刻早于所述第三上行突发中的至少一个上行子帧；或者，
    所述UE接收到UL grant的时刻不早于所述第三上行突发中的至少一个上行子帧且所述第三上行突发中的所述至少一个上行子帧与所述UE接收到所述UL grant的时刻之间的时间间隔小于第二预设时间长度；
    其中，所述UL grant为所述第二上行突发之前，距离所述第二上行突发最近且所述UE接收到的UL grant。
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WO2019101155A1 (zh) * 2017-11-25 2019-05-31 华为技术有限公司 一种非授权频谱中确定参考子帧的方法及装置
CN109842467A (zh) * 2017-11-25 2019-06-04 华为技术有限公司 一种非授权频谱中确定参考子帧的方法及装置
KR20200111232A (ko) * 2018-02-02 2020-09-28 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 경쟁 윈도우의 결정 방법 및 디바이스

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105992346B (zh) * 2015-01-29 2021-09-24 中兴通讯股份有限公司 一种数据传输方法及数据传输站点
JP7309038B2 (ja) * 2019-08-16 2023-07-14 小米通訊技術有限公司 基準時間領域ユニットを決定する方法及び装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103686838A (zh) * 2012-09-05 2014-03-26 中兴通讯股份有限公司 竞争窗口值自适应调整方法和装置
CN104254137A (zh) * 2013-06-27 2014-12-31 华为技术有限公司 一种竞争窗口调整的方法及设备
US20150351115A1 (en) * 2014-06-02 2015-12-03 Jeongho Jeon Devices and method for retrieving and utilizing neighboring wlan information for lte laa operation

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013141672A1 (ko) * 2012-03-23 2013-09-26 엘지전자 주식회사 상향링크 신호 전송 방법 및 스테이션 장치와, 상향링크 신호 수신 방법 및 액세스 포인트 장치
US20150103782A1 (en) * 2013-10-14 2015-04-16 Qualcomm Incorporated Techniques for enabling asynchronous communications using unlicensed radio frequency spectrum
US20160212767A1 (en) * 2015-01-16 2016-07-21 Sharp Laboratories Of America, Inc. Systems and methods for contention access in license assisted access
HUE054906T2 (hu) * 2015-03-17 2021-10-28 Ericsson Telefon Ab L M Kommunikációs eszköz és annak eljárása kommunikációs hálózatban versengési ablak méretének meghatározásához
US20160278088A1 (en) * 2015-03-17 2016-09-22 Telefonaktiebolaget L M Ericsson (Publ) LBT Operation Based on Channel Activity and/or Traffic Load
KR102658360B1 (ko) * 2015-04-09 2024-04-17 삼성전자주식회사 비면허 대역을 사용하는 셀룰러 네트워크에서의 자원할당 방법 및 그 장치
US10104691B2 (en) * 2015-04-15 2018-10-16 Mediatek Inc. Methods of listen-before-talk mechanism for opportunistic spectrum access
US10292158B2 (en) * 2015-05-23 2019-05-14 Qualcomm Incorporated Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band
US9967080B2 (en) * 2015-06-10 2018-05-08 Qualcomm Incorporated Techniques for managing medium access to multi-channels of a shared radio frequency spectrum band
US9882700B2 (en) * 2015-06-30 2018-01-30 Sharp Kabushiki Kaisha Systems and methods for backoff procedures for licensed-assisted access
CN105101446B (zh) * 2015-06-30 2017-12-15 宇龙计算机通信科技(深圳)有限公司 一种用于非授权频段的冲突避免方法及装置
US10742562B2 (en) * 2015-07-16 2020-08-11 Samsung Electronics Co., Ltd. Method and apparatus for adaptive control of contention window in LAA
JP6165201B2 (ja) * 2015-08-05 2017-07-19 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
EP3355646B1 (en) * 2015-09-21 2021-12-29 LG Electronics Inc. Method for transceiving data in unlicensed band and apparatus for same
KR102537716B1 (ko) * 2015-10-29 2023-05-31 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 비면허 대역에서의 채널 액세스 방법, 장치 및 시스템
WO2017116132A1 (ko) * 2015-12-31 2017-07-06 엘지전자 주식회사 비면허 대역을 지원하는 무선 통신 시스템에서 상향링크 신호를 송수신하는 방법 및 이를 지원하는 장치
JP6557423B6 (ja) * 2016-01-20 2019-09-18 エルジー エレクトロニクス インコーポレイティド 非免許帯域を支援する無線通信システムにおいて上りリンク信号を送信する方法及びそれを支援する装置
EP3410803B1 (en) * 2016-01-27 2020-12-23 LG Electronics Inc. -1- Method for receiving downlink signal, in wireless communication system supporting unlicensed band, and device for supporting same
WO2017131478A1 (ko) * 2016-01-29 2017-08-03 엘지전자 주식회사 비면허 대역을 지원하는 무선 통신 시스템에서 상향링크 신호를 송수신하는 방법 및 이를 지원하는 장치
EP3432675B1 (en) * 2016-03-31 2023-12-13 Huawei Technologies Co., Ltd. Method and apparatus for determining contention window size in clear channel assessment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103686838A (zh) * 2012-09-05 2014-03-26 中兴通讯股份有限公司 竞争窗口值自适应调整方法和装置
CN104254137A (zh) * 2013-06-27 2014-12-31 华为技术有限公司 一种竞争窗口调整的方法及设备
US20150351115A1 (en) * 2014-06-02 2015-12-03 Jeongho Jeon Devices and method for retrieving and utilizing neighboring wlan information for lte laa operation

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
SAMSUNG.: "Discussion on LBT for UL transmission", 3GPP TSG RAN WG1 MEETING #83 R1-156768, 15 November 2015 (2015-11-15), XP051003147 *
See also references of EP3404988A4 *
ZTE.: "Contention window size adaption for DLLBT in LAA", 3GPPTSG RAN WG1 MEETING #82 R1-154317, 28 August 2015 (2015-08-28), XP051039452 *
ZTE.: "Discussion on the UL LBT for LAA", 3GPP TSG RAN WG1 MEETING #83 R1-156993, 15 November 2015 (2015-11-15), XP051003304 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019101155A1 (zh) * 2017-11-25 2019-05-31 华为技术有限公司 一种非授权频谱中确定参考子帧的方法及装置
CN109842467A (zh) * 2017-11-25 2019-06-04 华为技术有限公司 一种非授权频谱中确定参考子帧的方法及装置
KR20200111232A (ko) * 2018-02-02 2020-09-28 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 경쟁 윈도우의 결정 방법 및 디바이스
KR102512147B1 (ko) 2018-02-02 2023-03-21 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 경쟁 윈도우의 결정 방법 및 디바이스

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EP3404988B1 (en) 2020-03-11
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US10820345B2 (en) 2020-10-27
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