WO2019148496A1 - 检测链路质量的方法和终端设备 - Google Patents

检测链路质量的方法和终端设备 Download PDF

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Publication number
WO2019148496A1
WO2019148496A1 PCT/CN2018/075299 CN2018075299W WO2019148496A1 WO 2019148496 A1 WO2019148496 A1 WO 2019148496A1 CN 2018075299 W CN2018075299 W CN 2018075299W WO 2019148496 A1 WO2019148496 A1 WO 2019148496A1
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WO
WIPO (PCT)
Prior art keywords
event
terminal device
timer
protocol layer
duration
Prior art date
Application number
PCT/CN2018/075299
Other languages
English (en)
French (fr)
Inventor
史志华
陈文洪
张治�
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201880003243.7A priority Critical patent/CN109644362B/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP18903517.3A priority patent/EP3627879B1/en
Priority to KR1020197036104A priority patent/KR20200116015A/ko
Priority to AU2018405966A priority patent/AU2018405966A1/en
Priority to BR112019027295-0A priority patent/BR112019027295A2/pt
Priority to US16/619,722 priority patent/US11240693B2/en
Priority to CA3065838A priority patent/CA3065838A1/en
Priority to PCT/CN2018/075299 priority patent/WO2019148496A1/zh
Priority to RU2020100213A priority patent/RU2020100213A/ru
Publication of WO2019148496A1 publication Critical patent/WO2019148496A1/zh
Priority to PH12019502705A priority patent/PH12019502705A1/en
Priority to IL271061A priority patent/IL271061A/en
Priority to ZA2019/08247A priority patent/ZA201908247B/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • the embodiments of the present application relate to the field of communications, and, more particularly, to a method and a terminal device for detecting link quality.
  • Beamforming is a signal preprocessing technique based on an antenna array. By adjusting the weight of the transmitted signal on each antenna element, a beam with directivity is generated.
  • the network device can transmit multiple signals by using different beams, and the terminal device can measure the received signals to determine whether the links transmitting the signals are poorly available, that is, whether the transmit beams used by the signals are available. , that is, beam failure, how to determine beam failure is currently no reference.
  • the embodiment of the present application provides a method and a terminal device for detecting link quality, which are beneficial to improving signal transmission performance.
  • a first aspect provides a method for detecting a link quality, where the method includes: receiving, by a terminal device, a first event reported by a first protocol layer, where the first event is used to indicate a signal in the first signal set. The quality is poor enough to satisfy the first condition; the terminal device determines, at the second protocol layer, that a second event occurs based on the first event, the second event is used to indicate a link quality corresponding to the signal in the first signal set Poor to meet the second condition.
  • the terminal device determines, according to the first event, that the second event occurs on the second protocol layer, that the terminal device is based on the received first event in the second protocol layer. The number of times, determining that the second event occurs; and/or the terminal device determines that the second event occurs based on the occurrence of the first event within the duration of the first timer.
  • the method further includes: the terminal device starts or restarts a second timer every time the first protocol layer receives a first event, and the terminal device is in the second protocol layer. The first event is received within the duration of the second timer.
  • the method further includes: if the terminal device receives the first event in the second protocol layer within the duration of the second timer, the terminal device adds 1 to the counter; Receiving, by the terminal device, the first event that the second protocol layer does not receive the first event in the duration of the second timer, or the terminal device receives the third event in the second protocol layer within the duration of the second timer, where the terminal device receives the third event, The terminal device clears the counter to 0, the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition; the terminal device is based on the number of times the first event is received by the terminal device Determining that the second event occurs includes: determining, by the terminal device, the second event based on the counting condition of the counter at the second protocol layer.
  • the terminal device determines, according to the counting condition of the counter, that the second event occurs, the terminal device includes: if the value of the counter is greater than or equal to the first value, the terminal device determines This second event occurs.
  • the method further includes: if the terminal device receives the first event in the second protocol layer within the duration of the second timer, the terminal device is at the second protocol layer Receiving the first event within the duration of the first timer; if the terminal device does not receive the first event in the second protocol layer within the duration of the first timer or the terminal device is in the second protocol
  • the layer receives the third event in the duration of the second timer, and the terminal device restarts the first timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the second condition.
  • the duration of the first timer is greater than the duration of the second timer.
  • the terminal device determines that the second event occurs based on the occurrence of the first event in the duration of the first timer, including: if the first timer is terminated, the terminal device determines This second event occurs.
  • the method further includes: the terminal device increments the counter every time the first protocol layer receives the first event; if the value of the counter does not reach the first value The terminal device receives the third event at the second protocol layer, the terminal device clears the counter, and the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition; the terminal device Determining that the second event occurs based on the number of times the first event is received, the method includes: determining, by the terminal device, that the second event occurs based on the counting condition of the counter.
  • the terminal device determines, according to the counting condition of the counter, that the second event occurs, the terminal device determines that the second event occurs if the value of the counter is greater than or equal to the first value.
  • the method further includes: the terminal device receiving the first event in the second protocol layer within a duration of the first timer; if the terminal device is in the second protocol layer The third event is received within the duration of the first timer, and the terminal device restarts the first timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition.
  • the terminal device determines that the second event occurs based on the occurrence of the first event in the duration of the first timer, including: if the first timer is terminated, the terminal device determines This second event occurs.
  • the method further includes: the terminal device starts K timers, where K is a positive integer; the terminal device determines, according to the first event, that the second event occurs, including The terminal device determines that the second event occurs at the second protocol layer based on the reception of the first event within the duration of the K timers.
  • K is a positive integer greater than 1, and the duration of the jth timer in the K timers is less than the duration of the (j+1)th timers in the K timers.
  • Each of the K timers corresponds to a threshold, and the threshold corresponding to the jth timer is smaller than a threshold corresponding to the (j+1)th timer, and the K timings The working hours of the two timers successively started in the device overlap, j is a positive integer, and j is less than K.
  • the terminal device determines, at the second protocol layer, that the second event is generated based on a received condition of the first event received within a duration of the K timers, including: And determining, by the second device, that the number of times that the first event is received by the second protocol layer in the duration of each of the K timers is greater than or equal to a threshold value corresponding to each timer, determining that the first occurrence occurs. Second event.
  • the start times of the K timers are the same.
  • the method further includes: if the terminal device receives, in the second protocol layer, the number of times of the first event in the duration of the i th timer of the K timers is greater than Or equal to the threshold corresponding to the ith timer, the terminal device causes the counter to continue counting the first event received at the second protocol layer; if the terminal device is at the second protocol layer at the K The number of times the first event is received in the duration of the ith timer in the timer is less than the threshold corresponding to the ith timer, and the terminal device clears the counter to 0 and the K timers Restart, i is a positive integer less than or equal to K.
  • the first value is determined by an internal configuration of the terminal device or according to a configuration parameter of the network device.
  • the duration of the timer is determined by the internal configuration of the terminal device or according to the configuration parameters of the network device.
  • the quality of the signal in the first signal set is poor to satisfy the first condition, and the error block rate of each signal in the first signal set is higher than or equal to the second value.
  • the signal in the first signal set includes a channel state information reference signal CSI-RS, and/or a synchronization signal SS/broadcast channel PBCH block.
  • the first protocol layer is a physical layer
  • the second protocol layer is a high layer
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic block diagram of a method for detecting link quality according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram showing the start and end of K timers in the embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 5 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, 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 (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system in FIG. 1 may include a terminal device 10 and a network device 20.
  • the network device 20 is configured to provide communication services for the terminal device 10 and access the core network.
  • the terminal device 10 accesses the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 20, thereby performing communication with the network.
  • the arrows shown in FIG. 1 may represent uplink/downlink transmissions by a cellular link between the terminal device 10 and the network device 20.
  • FIG. 2 shows a schematic block diagram of a method 100 of detecting link quality in an embodiment of the present application. As shown in FIG. 2, the method 100 includes some or all of the following:
  • the terminal device receives, at the second protocol layer, a first event reported by the first protocol layer, where the first event is used to indicate that the quality of the signal in the first signal set is poor to meet the first condition.
  • the terminal device determines, according to the first event, that the second event occurs, and the second event is used to indicate that the link quality corresponding to the signal in the first signal set is poor to meet the second condition.
  • the first protocol layer in the present application may be a physical layer, and the second protocol layer may be a high layer.
  • the second protocol layer may be a Media Access Control (MAC) layer.
  • MAC Media Access Control
  • the signals in the first signal set in the present application may be the same transmit beam, or may be different transmit beams, which is not limited in this embodiment of the present application.
  • the physical layer of the terminal device may measure the signal in the signal set to determine the link quality of transmitting the signals. That is, it is judged whether the transmission beam used by the signal in the signal set is available, for example, whether the signal quality in the signal set is worse than a certain threshold, and the quality of all signals in the signal set in one measurement is Below this threshold, the beam used by the signal set can be considered unusable. Then, the physical layer of the terminal device can report the event to the upper layer of the terminal device, that is, it is infeasible to tell the upper layer that the beam used by the signal set measured this time is not feasible.
  • the terminal device can further determine, at the upper layer, whether the beam is really unavailable based on the received event. For example, if the physical layer of the terminal device continuously performs multiple measurements on the signal in the signal set, and the result of the multiple measurements is that the transmit beam used by the signal set is unavailable, the physical layer of the terminal device continuously reports to the upper layer, and the upper layer It can be determined that the transmit beam used by the signal set is indeed unavailable. When the upper layer of the terminal device determines that the transmission beam used by the signal set is indeed unavailable, the terminal device can select a signal with better quality from other signal sets to report to the network device, so that the network device can use the transmission used by the signal reported by the terminal device. The beam performs subsequent signal transmission.
  • the method for detecting link quality in the embodiment of the present application is advantageous for improving signal transmission performance.
  • the first event in the embodiment of the present application may be that the quality of all the signals in the first signal set is different to satisfy the first condition, or the quality of the partial signals in the first signal set may be poor to meet the first condition.
  • a condition for example, may be that the quality of the signal in the signal set is greater than 50% is poor to satisfy the first condition, etc., and the embodiment of the present application is not limited thereto.
  • the terminal device determines, according to the first event, that the second event occurs at the second protocol layer, that: the terminal device is based on the first received at the second protocol layer. The number of times of the event, determining that the second event occurs; and/or the terminal device determines that the second event occurs based on the occurrence of the first event within the duration of the first timer.
  • the terminal device may determine that the second event has occurred based on the number of times the first event is received at the higher layer. For example, if the number of times the first event received at the upper layer is greater than or equal to a certain value, it may be determined that the second event has occurred. The terminal device may also determine that the second event occurs when the number of times the first event that can be received within a preset duration is greater than or equal to a certain value within a preset duration, or the terminal device may also be continuous. The number of times the first event received is greater than or equal to a certain value, and it is determined that the second event has occurred.
  • the terminal device may also determine that the second event has occurred based on the occurrence of the first event within the preset duration. For example, the network device may set a timer according to the number of occurrences of the first event in advance, and the terminal device may directly determine the second when the timer expires, or when the timer expires. The incident happened.
  • the method further includes: the terminal device starts or restarts the second timer every time the first protocol layer receives a first event, and the terminal device is in the second Receiving, by the second protocol layer, the first event in the duration of the timer; the terminal device determines, according to the first event, that the second event occurs, the terminal device includes: the terminal device is based on the second protocol layer Receiving the number of times of the first event, determining that the second event occurs; and/or the terminal device determines that the second event occurs based on a consecutive occurrence of the first event within a duration of the first timer.
  • the physical layer of the terminal device reports the first event to the upper layer periodically, and if not reported once, the upper layer can know that the signal quality of the first signal set measured in this time satisfies the first condition.
  • the upper layer of the terminal device can start a timer every time a first event is received. If the upper layer of the terminal device receives a first event in the timer, the higher layer may continue to receive the first event; if the upper layer of the terminal device does not receive a first event in the timer, then It is considered that the upper layer does not continuously receive the first event, and the upper layer can re-evaluate the occurrence of the second event.
  • the physical layer of the terminal device in a certain measured first signal set is superior to the second condition, the physical layer may report a third event to the upper layer, thereby It is good to tell the upper layer that the signal quality in the first signal set of this measurement is good, and once the third layer receives the third event, the high-level event can be judged again.
  • the terminal device may determine, according to the number of consecutively receiving the first event, whether the second event occurs, for example, the terminal device may determine whether the number of consecutively receiving the first event is greater than or equal to the first value, the A value may be determined internally by the terminal device based on experience or by configuration parameters of the network device. If the terminal device determines that the number of consecutive receptions is greater than or equal to the first value, the terminal device may consider that the transmit beam used by the first signal set is unavailable. If the terminal device determines that the number of consecutive receptions is less than the first value, the upper layer of the terminal device may continue to restart the timer and receive the first event within the duration of the timer.
  • the terminal device may determine whether the second event occurs according to whether the duration of consecutively receiving the first event exceeds a preset value. For example, the terminal device can set a long timer in which the first event is continuously received. If the long timer expires, the second event can be considered directly, that is, the transmit beam used by the first signal set can be considered to be unavailable. If the long timer has not expired, the upper layer of the terminal device may continue to receive the first event continuously for the long timer duration until the long timer expires.
  • the method further includes: if the terminal device receives the first event in the second protocol layer within the duration of the second timer, the terminal device increases the counter by one; If the terminal device does not receive the first event in the second protocol layer within the duration of the second timer, or the terminal device receives the third event in the second protocol layer in the duration of the second timer The terminal device clears the counter to 0, and may also restart the second timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition; the terminal device is in the second protocol.
  • the layer determines that the second event occurs based on the number of consecutively received the first event, including: determining, by the terminal device, that the second event occurs at the second protocol layer based on a counting condition of the counter.
  • the terminal device may set a counter whose initial value is 0. Each time the upper layer receives a first event, the counter is incremented by 1 and a timer is started, if the timer is received within the duration of the timer. A first event, the counter continues to count and restart the timer. If the next first event is not received or a third event is received within the duration of the timer, the counter can be cleared to 0 and restarted. count. When the value of the counter is greater than or equal to a certain value, the upper layer can consider that the second event has occurred.
  • the terminal device may further set a counter, the initial value of the counter is a threshold, the upper layer does not receive a first event, the counter is decremented by 1 and a timer is started, if Receiving the next first event within the duration of the timer, the counter continues to count and restart the timer, if the next first event is not received within the duration of the timer or a third event is received, then Reset the counter to its initial value and start a round of counting.
  • the value of the counter is equal to a certain value or equal to 0, the upper layer can consider that the second event has occurred.
  • the terminal device can increment the counter and start the timer, and receive the timer within the timer duration.
  • the terminal device can continue to increment the counter by one and restart the timer, waiting for the third first event, assuming that the upper layer of the terminal device continuously receives the fifth first event, which can be considered to have occurred.
  • Second event If the upper layer does not receive the first event or receives the third event within the timer duration after the first first event, the terminal device may directly clear the counter to 0 and restart the determination of the second event.
  • the method further includes: if the terminal device receives the first event in the second protocol layer within the duration of the second timer, the terminal device is in the second protocol The layer continues to receive the first event within the duration of the first timer; if the terminal device does not receive the first event in the second protocol layer within the duration of the second timer, or the terminal device is in the The second protocol layer receives the third event in the duration of the second timer, and the terminal device restarts the first timer, and may also restart the second timer, where the third event is used to indicate the first signal set.
  • the quality of the signal is excellent to satisfy the third condition, and the duration of the second timer is greater than the duration of the second timer.
  • the terminal device can set two timers, a timer T1 and a timer T2.
  • the duration of the timer T1 is greater than the duration of the timer T2, and the terminal device can directly start the timer T1 or can receive a first level at the upper layer.
  • Timer 1 is started after an event, and every time a first event is received within the duration of the timer T1, the timer T2 can be started or restarted.
  • the timer T1 continues to time and restarts the timer T2, that is, continues to receive the first event within the duration of the timer T2; If the upper layer does not receive the first event or receives the third event within the duration of the timer T2, the timer T1 is restarted. Once the timer T1 expires, the second event may be considered to have occurred. It should be understood that the duration of the timer T1 may be determined according to the number of times the first event is determined according to whether the second event occurs. For example, the period of the first event reported by the physical layer is 10 ms. If the number of times the first event is determined to be 5 or not, the duration of the timer T1 may be set to 50 ms, or may be 45 ms. Wait.
  • the method further includes: the terminal device adds 1 to the counter every time the second protocol layer receives the first event; if the value of the counter does not reach the first When the value is received, the terminal device receives the third event at the second protocol layer, and the terminal device clears the counter to 0.
  • the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition;
  • the determining, by the second protocol layer, the second event is generated by the second protocol layer based on the received number of the first event, the determining, by the terminal device, determining that the second event occurs based on the counting condition of the counter.
  • the terminal device determines that the second event occurs based on the number of times the first event is received at the upper layer, and may be that the value of the counter reaches a preset value, for example, the initial value is 0, and is added to a certain threshold.
  • the value, or the initial value is N is reduced to M, and N is greater than M. If the upper layer receives the third event when the value of the counter does not reach M, the terminal device can directly clear the counter to 0 and restart the judgment of the second event. That is, the terminal device resets the counter to the initial value upon receiving the third event.
  • the method further includes: the terminal device receiving the first event in the second protocol layer within a duration of the first timer; if the terminal device is in the second protocol layer The third event is received within the duration of the first timer, and the terminal device restarts the first timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition.
  • the terminal device can also set a long timer. As long as the third event is received in the long timer, the terminal device can directly restart the long timer and restart the judgment of the second event. When the long timer expires and the third event is not received within the duration of the timer, the terminal device can determine that the second event has occurred.
  • first condition, the second condition, and the third condition in the embodiment of the present application may be the same judgment condition.
  • quality of the signal in the first signal set may be compared with the same threshold, or may be different.
  • the threshold is compared, and the embodiment of the present application does not limit this.
  • the method further includes: the terminal device starts K timers, where K is a positive integer; the terminal device determines, according to the first event, that the second event occurs.
  • the method includes: determining, by the terminal device, the second event based on the receiving condition of the first event in the duration of the K timers.
  • the upper layer can determine whether the second event occurs based on the number of times the first event is received within the timer.
  • the terminal device can start multiple timers, and the duration of the jth timer in the K timers is less than the (j+1) of the K timers.
  • the duration of the timers, each of the K timers corresponds to a threshold, and the threshold corresponding to the jth timer is smaller than the threshold corresponding to the (j+1)th timer.
  • j is a positive integer, and j is smaller than K.
  • the five timers include a timer T1, a timer T2, a timer T3, a timer T4, and a timer T5, where t1 represents the start time of each timer, and t2 represents each.
  • the end time of the timer As can be seen from FIG. 3, the duration of the timer T1 ⁇ the duration of the timer T2 ⁇ the length of the timer T3 ⁇ the length of the timer T4 ⁇ the duration of the timer T5. And the working hours of the two timers connected at the beginning are overlapped.
  • the upper layer of the terminal device may determine that the second event occurs according to the reception of the first event within the duration of the five timers that are successively started.
  • a threshold may be set for each timer, and the upper layer may determine whether the number of first events received in a timer exceeds a threshold corresponding to the timer. If the timeout is exceeded, the upper layer can continue to determine whether the number of the first event received in the timer duration exceeds the threshold corresponding to the timer when the next timer expires, if the upper layer continuously determines the duration of the five timers. The number of first events received within the first event is greater than or equal to the corresponding threshold, and the upper layer can consider the second event to occur.
  • the terminal device may separately set a counter for each timer to calculate the number of first events received within the corresponding timer duration.
  • the upper layer can start counting again from the first timer.
  • the start time of the K timers is the same, if the terminal device receives the first event in the second protocol layer within the duration of the i th timer of the K timers The number of times is greater than or equal to a threshold corresponding to the ith timer, and the terminal device causes the counter to continue counting the first event received at the second protocol layer; if the terminal device is at the second protocol layer The number of times the first event is received in the duration of the ith timer of the K timers is less than the threshold corresponding to the ith timer, and the terminal device clears the counter and sets the K The timer restarts and i is a positive integer less than or equal to K.
  • the terminal device can start the K timers at the same time, and a counter can be set for the K timers. Then, the upper layer can determine whether the number of the first event in the timer is greater than the corresponding threshold when each timer expires, and if it is greater, the counter continues to count, if not, the counter can be directly cleared to 0, and The K timers are restarted, and the second event is judged again.
  • the quality of the signal in the first signal set is poor to satisfy the first condition, and the BLOCK Error Rate (BLER) is high for each signal in the first signal set. Is equal to or equal to the second value.
  • the quality of the signal in the first signal set is excellent to satisfy the third condition, including: the block error rate of each signal in the first signal set is less than the third value.
  • the second value and the third value may be the same value or different values.
  • thresholds, determination conditions, thresholds, and the like in the embodiments of the present application may be internally configured by the terminal device or may be determined according to configuration parameters of the network device. It should also be understood that the duration of each timer in the embodiment of the present application may also be internally configured by the terminal device or determined according to configuration parameters of the network device.
  • the signal in the first signal set includes a Channel State Information-Reference Signal (CSI-RS), and/or a synchronization signal/physical broadcast channel (Synchronization) Signal/Physical Broadcast Channel, SS/PBCH) block.
  • CSI-RS Channel State Information-Reference Signal
  • SS/PBCH synchronization signal/physical broadcast channel
  • the terminal device when detecting that the transmit beam used by the first signal set is unavailable, the terminal device can measure the transmit beam used by the other signal set, and when measuring the good beam, the CSI using the beam can be used.
  • the identifier of the RS or the SS/PBCH block is reported to the network device, and the network device can know which beam to use for subsequent signal transmission according to the identifier of the signal.
  • greater than or equal to that in the embodiment of the present application means that the range of values of a certain comparison object may be greater than, or equal to, or may be greater than or equal to.
  • the value of the counter may be such that as soon as a certain value is reached, it is determined that a second event has occurred, or the quality of the signal is compared with a threshold, and as long as the quality of the signal is greater than or equal to a certain value, it is determined that the first event has occurred.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • FIG. 4 shows a schematic block diagram of a terminal device 200 of an embodiment of the present application.
  • the terminal device 200 includes:
  • the receiving unit 210 is configured to receive, by the second protocol layer, a first event reported by the first protocol layer, where the first event is used to indicate that the quality of the signal in the first signal set is poor to meet the first condition;
  • the determining unit 220 is configured to determine, according to the first event, that the second event occurs, the second event is used to indicate that the link quality corresponding to the signal in the first signal set is poor to meet the second condition. .
  • the terminal device of the embodiment of the present application is advantageous for improving signal transmission performance.
  • the determining unit is specifically configured to: determine, at the second protocol layer, the occurrence of the second event based on the number of times the first event is received; and/or based on the first timing The occurrence of the first event within the duration of the device determines that the second event occurs.
  • the terminal device further includes: a first timing unit, configured to start or restart the second timer every time the first protocol layer receives a first event, and the terminal The device receives the first event in the second protocol layer for the duration of the second timer.
  • the terminal device further includes: a first counting unit, configured to add the counter when the second protocol layer receives the first event within the duration of the second timer Or if the second event is not received within the duration of the second timer or the third protocol receives the third event within the duration of the second timer, The counter is cleared to 0, the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition; the determining unit is specifically configured to: determine, according to the counting condition of the counter, the second protocol layer The second event.
  • the determining unit is specifically configured to determine that the second event occurs if the value of the counter is greater than or equal to the first value.
  • the terminal device further includes: a second timing unit, configured to: when the second protocol layer receives the first event within the duration of the second timer, in the The second protocol layer continues to receive the first event within the duration of the first timer; or if the second protocol layer does not receive the first event or the second protocol layer within the duration of the first timer Receiving a third event in the duration of the second timer, restarting the first timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the second condition, the first timer The duration is greater than the duration of the second timer.
  • a second timing unit configured to: when the second protocol layer receives the first event within the duration of the second timer, in the The second protocol layer continues to receive the first event within the duration of the first timer; or if the second protocol layer does not receive the first event or the second protocol layer within the duration of the first timer Receiving a third event in the duration of the second timer, restarting the first timer, where the third event is used to indicate that the
  • the determining unit is specifically configured to: if the first timer expires, the terminal device determines that the second event occurs.
  • the terminal device further includes: a second counting unit, configured to increment the counter every time the first protocol layer receives the first event; if the counter is Receiving a third event at the second protocol layer when the value does not reach the first value, and clearing the counter to 0, the third event is used to indicate that the quality of the signal in the first signal set is excellent to satisfy the third condition;
  • the unit is specifically configured to: determine that the second event occurs based on the counting condition of the counter.
  • the determining unit is specifically configured to determine that the second event occurs if the value of the counter is greater than or equal to the first value.
  • the receiving unit is specifically configured to: receive, by the second protocol layer, the first event within a duration of the first timer; and third timing unit, if The second protocol layer receives the third event in the duration of the first timer, and restarts the first timer, where the third event is used to indicate that the quality of the signal in the first signal set is superior to the third condition.
  • the determining unit is specifically configured to: if the first timer expires, determine that the second event occurs.
  • the terminal device further includes: a fourth timing unit, configured to start K timers, where K is a positive integer; the determining unit is specifically configured to: be based on the second protocol layer The reception of the first event within the duration of the K timers determines that the second event occurs.
  • the determining unit is specifically configured to: if the number of times the first event received within the duration of the one timer is greater than or equal to the first value, determining to occur The second event.
  • K is a positive integer greater than 1, and the duration of the jth timer in the K timers is smaller than the (j+1)th timer in the K timers.
  • Each of the K timers corresponds to a threshold, and the threshold corresponding to the jth timer is smaller than a threshold corresponding to the (j+1)th timer, the K The working hours of the two timers successively started in the timers overlap, j is a positive integer, and j is less than K.
  • the determining unit is specifically configured to: if the second protocol layer receives the first event in the duration of each of the K timers, the number of times of the first event is greater than Or equal to the threshold corresponding to each timer, determining that the second event occurs.
  • the start times of the K timers are the same.
  • the terminal device further includes: a third counting unit, configured to be received in the second protocol layer within a duration of the i th timer of the K timers The number of times of the first event is greater than or equal to a threshold corresponding to the ith timer, so that the counter continues to count the first event received at the second protocol layer; or if the second protocol layer is The number of times the first event is received in the duration of the ith timer of the K timers is less than the threshold corresponding to the ith timer, the counter is cleared and the K timers are restarted.
  • i is a positive integer less than or equal to K.
  • the first value is determined by an internal configuration of the terminal device or according to a configuration parameter of the network device.
  • the duration of the timer is determined by the internal configuration of the terminal device or according to configuration parameters of the network device.
  • the quality of the signal in the first signal set is poor to satisfy the first condition, and the error block rate of each signal in the first signal set is higher than or equal to the second value.
  • the signal in the first signal set includes a channel state information reference signal CSI-RS, and/or a synchronization signal SS/broadcast channel PBCH block.
  • the first protocol layer is a physical layer
  • the second protocol layer is a high layer
  • terminal device 200 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 200 respectively implement the terminal in the method of FIG. 2
  • the corresponding process of the device is not described here for brevity.
  • the embodiment of the present application further provides a terminal device 300, which may be the terminal device 200 in FIG. 4, which can be used to execute the content of the terminal device corresponding to the method 100 in FIG. .
  • the terminal device 300 includes an input interface 310, an output interface 320, a processor 330, and a memory 340.
  • the input interface 310, the output interface 320, the processor 330, and the memory 340 can be connected by a bus system.
  • the memory 340 is for storing programs, instructions or codes.
  • the processor 330 is configured to execute a program, an instruction or a code in the memory 340 to control the input interface 310 to receive a signal, control the output interface 320 to transmit a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device of the embodiment of the present application is advantageous for improving signal transmission performance.
  • the processor 330 may be a central processing unit (CPU), and the processor 330 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 340 can include read only memory and random access memory and provides instructions and data to the processor 330. A portion of the memory 340 may also include a non-volatile random access memory. For example, the memory 340 can also store information of the device type.
  • each content of the above method may be completed by an integrated logic circuit of hardware in the processor 330 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 340, and the processor 330 reads the information in the memory 340 and completes the contents of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the determining unit, the timing unit, and the counting unit in the terminal device 300 may be implemented by the processor 330 in FIG. 5, and the receiving unit of the terminal device 300 may be implemented by the input interface 310 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into 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 separated, 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 application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application 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 various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请实施例公开了一种检测链路质量的方法和终端设备，该方法包括：终端设备在第二协议层接收第一协议层上报的第一事件，该第一事件用于指示第一信号集中的信号的质量差到满足第一条件；该终端设备在该第二协议层基于该第一事件，确定发生第二事件，该第二事件用于指示与该第一信号集中的信号对应的链路质量差到满足第二条件。本申请实施例的方法和终端设备，有利于提高信号传输性能。

Description

检测链路质量的方法和终端设备 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种检测链路质量的方法和终端设备。
背景技术
在第五代(5G)移动通信技术的研究中，波束赋形技术是一项用于提高覆盖和频谱效率的重要技术。波束赋形就是一种基于天线阵列的信号预处理技术，通过调整各天线阵元上发送信号的权值，产生具有指向性的波束。
网络设备可以采用不同波束发送多个信号，而终端设备可以对接收到的这些信号进行测量，从而判断传输这些信号的链路是否差到不可用，也就是判断这些信号所采用的发送波束是否可用，即beam failure，如何判断beam failure目前没有可参考的方案。
发明内容
有鉴于此，本申请实施例提供了一种检测链路质量的方法和终端设备，有利于提高信号传输性能。
第一方面，提供了一种检测链路质量的方法，该方法包括：终端设备在第二协议层接收第一协议层上报的第一事件，该第一事件用于指示第一信号集中的信号的质量差到满足第一条件；该终端设备在该第二协议层基于该第一事件，确定发生第二事件，该第二事件用于指示与该第一信号集中的信号对应的链路质量差到满足第二条件。
在一种可能的实现方式中，该终端设备在该第二协议层基于该第一事件，确定发生第二事件，包括：该终端设备在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件；和/或该终端设备基于在第一定时器的时长内该第一事件的发生情况，确定发生该第二事件。
在一种可能的实现方式中，该方法还包括：该终端设备在该第二协议层每接收到一个第一事件，就启动或重启第二定时器，并且该终端设备在该第二协议层在该第二定时器的时长内接收该第一事件。
在一种可能的实现方式中，该方法还包括：若该终端设备在该第二协议层在该第二定时器的时长内接收到该第一事件，该终端设备将计数器加1；若该终端设备在该第二协议层未在该第二定时器的时长内接收到该第一事件或该终端设备在该第二协议层在该第二定时器的时长内接收到第三事件，该终端设备将该计数器清0，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该终端设备在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件，包括：该终端设备在该第二协议层基于该计数器的计数情况，确定发生该第二事件。
在一种可能的实现方式中，该终端设备在该第二协议层基于该计数器的计数情况，确定发生该第二事件，包括：若该计数器的值大于或等于第一值，该终端设备确定发生该第二事件。
在一种可能的实现方式中，该方法还包括：若该终端设备在该第二协议层在该第二定时器的时长内接收到该第一事件，该终端设备在该第二协议层在该第一定时器的时长内继续接收该第一事件；若该终端设备在该第二协议层未在该第一定时器的时长内接收到该第一事件或该终端设备在该第二协议层在该第二定时器的时长内接收到第三事件，该终端设备重启该第一定时器，该第三事件用于指示该第一信号集中的信号的质量优到满足第二条件，该第一定时器的时长大于该第二定时器的时长。
在一种可能的实现方式中，该终端设备基于在第一定时器的时长内该第一事件的发生情况，确定发生该第二事件，包括：若该第一定时器终止，该终端设备确定发生该第二事件。
在一种可能的实现方式中，该方法还包括：该终端设备在该第二协议层每接收到一个该第一事件，就将计数器加1；若在该计数器的值未达到第一值时该终端设备在该第二协议层接收到第三事件，该终端设备将该计数器清0，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该终端设备在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件，包括：该终端设备基于该计数器的计数情况，确定发生该第二事件。
在一种可能的实现方式中，该终端设备基于该计数器的计数情况，确定发生该第二事件，包括：若该计数器的值大于或等于第一值，该终端设备确定发生该第二事件。
在一种可能的实现方式中，该方法还包括：该终端设备在该第二协议层在该第一定时器的时长内接收该第一事件；若该终端设备在该第二协议层在该第一定时器的时长内接收到第三事件，该终端设备将该第一定时器重启，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件。
在一种可能的实现方式中，该终端设备基于在第一定时器的时长内该第一事件的发生情况，确定发生该第二事件，包括：若该第一定时器终止，该终端设备确定发生该第二事件。
在一种可能的实现方式中，该方法还包括：该终端设备启动K个定时器，K为正整数；该终端设备在该第二协议层基于该第一事件，确定发生第二事件，包括：该终端设备在该第二协议层基于在该K个定时器的时长内该第一事件的接收情况，确定发生该第二事件。
在一种可能的实现方式中，K＝1，该终端设备在该第二协议层基于在该K个定时器的时长内接收到的该第一事件的接收情况，确定发生该第二事件，包括：若该终端设备在该1个定时器的时长内接收到的该第一事件的次数大于或等于第一值，该终端设备确定发生该第二事件。
在一种可能的实现方式中，K为大于1的正整数，该K个定时器中的第j个定时器的时长小于该K个定时器中的第(j+1)个定时器的时长，该K个定时器中的每个定时器对应一个门限值，该第j个定时器对应的门限值小于该 第(j+1)个定时器对应的门限值，该K个定时器中相继启动的两个定时器的工作时间重叠，j为正整数，且j小于K。
在一种可能的实现方式中，该终端设备在该第二协议层基于在该K个定时器的时长内接收到的该第一事件的接收情况，确定发生该第二事件，包括：若该终端设备在该第二协议层在该K个定时器中的每个定时器的时长内接收到的该第一事件的次数大于或等于该每个定时器对应的门限值，确定发生该第二事件。
在一种可能的实现方式中，该K个定时器的起始时间相同。
在一种可能的实现方式中，该方法还包括：若该终端设备在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数大于或等于该第i个定时器对应的门限值，该终端设备使计数器继续对在该第二协议层接收到的该第一事件进行计数；若该终端设备在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数小于该第i个定时器对应的门限值，该终端设备将该计数器清0并将该K个定时器重启，i为小于或等于K的正整数。
在一种可能的实现方式中，该第一值是由终端设备内部配置或根据网络设备的配置参数确定的。
在一种可能的实现方式中，定时器的时长是由终端设备内部配置或根据网络设备的配置参数确定的。
在一种可能的实现方式中，该第一信号集中的信号的质量差到满足第一条件，包括：该第一信号集中的每个信号的误块率高于或等于第二值。
在一种可能的实现方式中，该第一信号集中的信号包括信道状态信息参考信号CSI-RS，和/或，同步信号SS/广播信道PBCH块。
在一种可能的实现方式中，该第一协议层为物理层，该第二协议层为高层。
第二方面，提供了一种终端设备，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方法。具体地，该终端设备包括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方法的单元。
第三方面，提供了一种终端设备，该终端设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。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，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方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了本申请实施例的检测链路质量的方法的示意性框图。
图3示出了本申请实施例的K个定时器的开始与结束的示意图。
图4示出了本申请实施例的终端设备的示意性框图。
图5示出了本申请实施例的终端设备的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进LTE系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、新无线(New Radio，NR)或未来的5G系统等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)系统、低密度签名(Low Density Signature，LDS)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波正交频分复用(Filtered-OFDM，F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、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，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，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用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限 定。
图1是本申请实施例一个应用场景的示意图。图1中的通信系统可以包括终端设备10和网络设备20。网络设备20用于为终端设备10提供通信服务并接入核心网，终端设备10通过搜索网络设备20发送的同步信号、广播信号等而接入网络，从而进行与网络的通信。图1中所示出的箭头可以表示通过终端设备10与网络设备20之间的蜂窝链路进行的上/下行传输。
图2示出了本申请实施例的检测链路质量的方法100的示意性框图。如图2所示，该方法100包括以下部分或全部内容：
S110，终端设备在第二协议层接收第一协议层上报的第一事件，该第一事件用于指示第一信号集中的信号的质量差到满足第一条件。
S120，该终端设备在该第二协议层基于该第一事件，确定发生第二事件，该第二事件用于指示与该第一信号集中的信号对应的链路质量差到满足第二条件。
需要说明的是，本申请中的第一协议层可以是物理层，第二协议层可以是高层，例如第二协议层可以是媒体接入控制(Media Access Control，MAC)层。应理解，本申请中的第一信号集中的信号采用的可以是同一个发送波束，或者也可以是不同的发送波束，本申请实施例对此不构成限定。
具体地，终端设备在接收到网络设备发送的某一个信号集中的信号之后，终端设备的物理层可以对该信号集中的信号进行测量从而可以判断传输这些信号的链路质量。也就是说，判断该信号集中的信号所使用的发送波束是否可用，例如，可以判断该信号集中的信号质量是不是差于某个门限，当在一次测量中该信号集中的所有信号的质量都差于该门限时，可以认为该信号集所使用的波束是不可用的。那么终端设备的物理层就可以向终端设备的高层上报该事件，也就是说告诉高层此次测量的该信号集所采用的波束是不可行的。终端设备可以在高层基于接收到的该事件，进一步地判断该波束是否真的不可用。例如，如果终端设备的物理层连续对该信号集中信号进行多次测量，并且该多次测量的结果都是该信号集使用的发送波束不可用，那么终端设备的物理层连续向高层上报，高层就可以确定该信号集所使用的发送波束确实不可用。在终端设备的高层判断该信号集所使用的发送波束确实不可用时，终端设备可以从其他信号集中选择质量较好的信号向网络设备上报，使得网络设备可以使用终端设备上报的信号所使用的发送波束进行后续信号的传输。
因此，本申请实施例的检测链路质量的方法，有利于提高信号传输性能。
应理解，本申请实施例中的第一事件可以是该第一信号集中的所有信号的质量都差到满足第一条件，也可以是该第一信号集中的部分信号的质量都差到满足第一条件，例如可以是该信号集中大于50％的信号的质量都差到满足第一条件等，本申请实施例不限于此。
可选地，在本申请实施例中，该终端设备在该第二协议层基于该第一事件，确定发生第二事件，包括：该终端设备在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件；和/或该终端设备基于在第一定时器 的时长内该第一事件的发生情况，确定发生该第二事件。
终端设备可以基于在高层接收到的第一事件的次数，确定发生了第二事件。例如，若在高层接收到的该第一事件的次数大于或等于某个值，则可以确定发生了第二事件。终端设备也可以基于在某个预设时长内可以在某个预设时长内接收到的第一事件的次数大于或等于某个值时，确定发生了第二事件，或者终端设备也可以根据连续接收到的第一事件的次数大于或等于某个值，确定发生了第二事件。
终端设备也可以基于在预设时长内第一事件的发生情况，确定发生了第二事件。例如，网络设备可以提前根据该第一事件的发生次数设定一个定时器，终端设备可以在该定时器终止(expire)，或者也可以说是该定时器超时的情况下，直接确定该第二事件发生了。
可选地，在本申请实施例中，该方法还包括：该终端设备在该第二协议层每接收到一个第一事件，就启动或重启第二定时器，并且该终端设备在该第二定时器的时长内在该第二协议层接收该第一事件；该终端设备在该第二协议层基于该第一事件，确定发生第二事件，包括：该终端设备在该第二协议层基于连续接收到的该第一事件的次数，确定发生该第二事件；和/或该终端设备基于在第一定时器的时长内该第一事件的连续发生情况，确定发生该第二事件。
终端设备的物理层向高层上报第一事件可以是周期性的，如果有一次没有上报，那么高层就可以知道本次测量的该第一信号集中的信号质量是满足第一条件的。终端设备的高层可以是每接收到一个第一事件之后，就可以启动一个定时器。终端设备的高层如果在该定时器内接收到一个第一事件，那么可以认为该高层连续接收到该第一事件；终端设备的高层如果没有在该定时器内接收到一个第一事件，那么可以认为该高层不是连续接收到该第一事件，高层可以重新对第二事件的发生进行判断。
作为一个可选地实施例，如果终端设备的物理层在某次测量的该第一信号集中的信号质量是优到满足第二条件的，物理层可以向高层上报一个第三事件，以此来告诉高层本次测量的第一信号集中的信号质量是好的，高层一旦接收到该第三事件，就可以重新对第二事件的发生进行判断。
进一步地，终端设备可以根据连续接收到该第一事件的次数，判断该第二事件是否发生，例如，终端设备可以判断连续接收到该第一事件的次数是否大于或等于第一值，该第一值可以是根据经验由终端设备内部配置或者是由网络设备的配置参数确定的。如果终端设备判断连续接收的次数大于或等于第一值，那么终端设备可以认为该第一信号集所使用的发送波束是不可用的。如果终端设备判断连续接收的次数小于第一值，那么终端设备的高层可以继续重启定时器，并在定时器的时长内接收该第一事件。
进一步地，终端设备可以根据连续接收该第一事件的持续时长是不是超过预设值，来判断该第二事件是否发生。例如，终端设备可以设置一个长的定时器，在该长的定时器内连续接收该第一事件。如果该长的定时器超时，则可以直接认为该第二事件发生了，也就是说，可以认为该第一信号集所使 用的发送波束是不可用的。如果该长的定时器还没有超时，那么终端设备的高层可以继续在该长的定时器时长内连续接收该第一事件，直到该长的定时器超时为止。
可选地，在本申请实施例中，该方法还包括：若该终端设备在该第二协议层在该第二定时器的时长内接收到该第一事件，该终端设备将计数器加1；若该终端设备在该第二协议层未在该第二定时器的时长内接收到该第一事件或该终端设备在该第二协议层在该第二定时器的时长内接收到第三事件，该终端设备将该计数器清0，也可以重启该第二定时器，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该终端设备在该第二协议层基于连续接收到的该第一事件的次数，确定发生该第二事件，包括：所述终端设备在所述第二协议层基于所述计数器的计数情况，确定发生所述第二事件。
具体而言，终端设备可以设置一个计数器，该计数器的初始值为0，高层每接收到一个第一事件，该计数器就加1并且启动一个定时器，如果在该定时器的时长内接收到下一个第一事件，该计数器继续计数并且重启该定时器，如果在该定时器的时长内未接收到下一个第一事件或者接收到一个第三事件，那么可以将计数器清0，重新开始一轮计数。当计数器的值大于或等于某个值时，高层则可以认为发生了第二事件。
作为一种可选地实施例，终端设备还可以设置一个计数器，该计数器的初始值为一个门限值，高层没接收到一个第一事件，该计数器就减1并启动一个定时器，如果在该定时器的时长内接收到下一个第一事件，该计数器继续计数并且重启该定时器，如果在该定时器的时长内未接收到下一个第一事件或者接收到一个第三事件，那么可以将计数器重置为初始值，重新开始一轮计数。当计数器的值等于某个特定值或者等于0时，高层则可以认为发生了第二事件。举例来说，在t1时刻计数器的初始值为0，在t1时刻之后的t2时刻接收到第一个第一事件，终端设备可以将计数器加1，并启动定时器，在该定时器时长内接收到第二个第一事件，终端设备可以将计数器继续加1，并重启定时器，等待第三个第一事件，假设终端设备的高层连续接收到第五个第一事件，可以认为发生了第二事件。如果高层在第一个第一事件之后的定时器时长内未接收到该第一事件或接收到第三事件，那么终端设备可以直接将计数器清0，重新开始进行第二事件的判断。
可选地，在本申请实施例中，该方法还包括：若该终端设备在该第二协议层在该第二定时器的时长内接收到该第一事件，该终端设备在该第二协议层在所述第一定时器的时长内继续接收该第一事件；若该终端设备在该第二协议层未在该第二定时器的时长内接收到该第一事件或该终端设备在该第二协议层在该第二定时器的时长内接收到第三事件，该终端设备重启第一定时器，也可以重启该第二定时器，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件，该第二定时器的时长大于该第二定时器的时长。
具体而言，终端设备可以设置两个定时器，定时器T1和定时器T2，定 时器T1的时长大于定时器T2的时长，终端设备可以直接启动定时器T1或者也可以在高层接收到一个第一事件之后启动定时器1，在该定时器T1的时长内每接收一个第一事件，可以启动或重启定时器T2。如果高层在该定时器T2的时长内接收到一个第一事件，则该定时器T1继续计时并重启定时器T2，也就是说，在该定时器T2的时长内继续接收该第一事件；如果高层在该定时器T2的时长内未接收到该第一事件或者接收到第三事件，则重启该定时器T1，一旦该定时器T1超时，则可以认为该第二事件发生了。应理解，该定时器T1的时长可以是根据上述判断第二事件是否发生所依据的该第一事件的次数确定的。例如，物理层上报第一事件的周期为10ms，如果判断该第二事件是否发生所依据的该第一事件的次数为5，那么可以将该定时器T1的时长设置为50ms，或者可以是45ms等。
可选地，在本申请实施例中，该方法还包括：该终端设备在该第二协议层每接收到一个该第一事件，就将计数器加1；若在该计数器的值未达到第一值时该终端设备在该第二协议层接收到第三事件，该终端设备将该计数器清0，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该终端设备在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件，包括：该终端设备基于该计数器的计数情况，确定发生该第二事件。
终端设备基于在高层接收到的该第一事件的次数来确定发生该第二事件，可以是在该计数器的值达到预设的值，例如可以是初始值为0，一直加到某个门限值，或者是初始值是N，一直减到M，N大于M。如果高层在计数器的值未达到M时就接收到第三事件，那么终端设备可以直接将计数器清0，重新开始对第二事件的判断。也就是说，终端设备一旦接收到第三事件，就将计数器重置为初始值。
可选地，在本申请实施例中，该方法还包括：该终端设备在该第二协议层在该第一定时器的时长内接收该第一事件；若该终端设备在该第二协议层在该第一定时器的时长内接收到第三事件，该终端设备将该第一定时器重启，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件。
终端设备也可以设置一个长的定时器，只要在该长的定时器中接收到第三事件，终端设备就可以直接将该长的定时器重启，重新开始对第二事件的判断。在该长的定时器超时并且在定时器的时长内未接收到第三事件，终端设备可以确定发生了第二事件。
应理解，本申请实施例中的第一条件、第二条件以及第三条件可以是同一个判断条件，例如，可以是第一信号集中的信号的质量与同一个门限进行比较，也可以是不同门限进行比较，本申请实施例对此不构成限定。
可选地，在本申请实施例中，该方法还包括：该终端设备启动K个定时器，K为正整数；该终端设备在该第二协议层基于该第一事件，确定发生第二事件，包括：该终端设备在该第二协议层基于在该K个定时器的时长内该第一事件的接收情况，确定发生该第二事件。
如果该K为1，也就是说终端设备启动一个定时器，高层可以基于在该定时器内接收到的该第一事件的次数来确定该第二事件是否发生。
如果该K为大于1的整数，也就是说终端设备可以启动多个定时器，并且该K个定时器中的第j个定时器的时长小于该K个定时器中的第(j+1)个定时器的时长，该K个定时器中的每个定时器对应一个门限值，该第j个定时器对应的门限值小于该第(j+1)个定时器对应的门限值，该K个定时器中相继启动的两个定时器的工作时间重叠，j为正整数，且j小于K。如图3所示，K＝5，该5个定时器包括定时器T1、定时器T2、定时器T3、定时器T4和定时器T5，t1表示每个定时器的开始时刻，t2表示每个定时器的结束时刻。由图3可以看出该定时器T1的时长＜定时器T2的时长＜定时器T3的时长＜定时器T4的时长＜定时器T5的时长。并且开始时刻相连的两个定时器的工作时长是重叠的。终端设备的高层可以根据相继启动的该5个定时器的时长内第一事件的接收情况，确定发生了第二事件。例如，可以为该每个定时器设定一个门限值，高层可以判断某个定时器内接收到的第一事件的数量是否超过了该定时器对应的门限值。若超过了，高层可以继续在下一个定时器超时时判断在该定时器时长内接收到的第一事件的数量是否超过了该定时器对应的门限值，如果高层连续判断该5个定时器时长内接收到的第一事件的数量都大于或等于对应的门限值，高层则可以认为第二事件发生了。终端设备可以为每个定时器分别设置一个计数器用来计算相应定时器时长内接收的第一事件的数量。如果高层判断某个定时器时长内接收到的第一事件的数量小于对应的门限值，高层则可以重新从第一个定时器开始计数。可选地，该K个定时器的开始时刻是相同的，若该终端设备在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数大于或等于该第i个定时器对应的门限值，该终端设备使计数器继续对在该第二协议层接收到的该第一事件进行计数；若该终端设备在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数小于该第i个定时器对应的门限值，该终端设备将该计数器清0并将该K个定时器重启，i为小于或等于K的正整数。
也就是说终端设备可以同时启动该K个定时器，此时可以为该K个定时器设置一个计数器。那么高层可以在每个定时器超时时，判断该定时器内的第一事件的数量是否大于相应的门限值，如果大于，则计数器继续计数，如果小于，则计数器可以直接清0，并且将该K个定时器重启，重新进行第二事件的判断。
可选地，在本申请实施例中，该第一信号集中的信号的质量差到满足第一条件，包括：该第一信号集中的每个信号的误块率(BLock Error Rate，BLER)高于或等于第二值。该第一信号集中的信号的质量优到满足第三条件，包括：该第一信号集中的每个信号的误块率小于第三值。其中该第二值与该第三值可以是同一个值，也可以是不同值。
应理解，在本申请实施例中的各种阈值，判断条件以及门限值等均可以由终端设备内部配置也可以根据网络设备的配置参数确定。还应理解，本申请实施例中的各个定时器的时长也都可以由终端设备内部配置或者根据网络设备的配置参数确定。
可选地，在本申请实施例中，所述第一信号集中的信号包括信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)，和/或，同步信号/物理广播信道(Synchronization Signal/Physical Broadcast Channel，SS/PBCH)块(block)。也就是说，终端设备在检测到该第一信号集所使用的发送波束不可用时，可以测量别的信号集所使用的发送波束，在测量出好的波束时，可以将使用该波束的CSI-RS或SS/PBCH block的标识向网络设备上报，网络设备根据该信号的标识，即可知道使用哪个波束进行后续信号的传输。
应理解，本申请实施例中的大于或等于是指某个比较对象的取值范围可以是大于，或者等于，或者还可以是大于或等于。例如，计数器的值可以是只要达到某个值，就确定发生了第二事件，或者是信号的质量与门限的比较，只要信号的质量大于或者等于某个值，就确定发生了第一事件。
应理解，网络设备描述的网络设备与终端设备之间的交互及相关特性、功能等与终端设备的相关特性、功能相应。并且相关内容在上述方法100中已经作了详尽描述，为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的检测链路质量的方法，下面将结合图4和图5，描述根据本申请实施例的检测链路质量的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的终端设备200的示意性框图。如图4所示，该终端设备200包括：
接收单元210，用于在第二协议层接收第一协议层上报的第一事件，该第一事件用于指示第一信号集中的信号的质量差到满足第一条件；
确定单元220，用于在该第二协议层基于该第一事件，确定发生第二事件，该第二事件用于指示与该第一信号集中的信号对应的链路质量差到满足第二条件。
因此，本申请实施例的终端设备，有利于提高信号传输性能。
可选地，在本申请实施例中，该确定单元具体用于：在该第二协议层基于接收到的该第一事件的次数，确定发生该第二事件；和/或基于在第一定时器的时长内该第一事件的发生情况，确定发生该第二事件。
可选地，在本申请实施例中，该终端设备还包括：第一定时单元，用于在该第二协议层每接收到一个第一事件，就启动或重启第二定时器，并且该终端设备在该第二协议层在该第二定时器的时长内接收该第一事件。
可选地，在本申请实施例中，该终端设备还包括：第一计数单元，用于若在该第二协议层在该第二定时器的时长内接收到该第一事件，将计数器加1；或若在该第二协议层未在该第二定时器的时长内接收到该第一事件或在该第二协议层在该第二定时器的时长内接收到第三事件，将该计数器清0，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该确 定单元具体用于：在该第二协议层基于该计数器的计数情况，确定发生该第二事件。
可选地，在本申请实施例中，该确定单元具体用于：若该计数器的值大于或等于第一值，确定发生该第二事件。
可选地，在本申请实施例中，该终端设备还包括：第二定时单元，用于若在该第二协议层在该第二定时器的时长内接收到该第一事件，在该第二协议层在该第一定时器的时长内继续接收该第一事件；或若在该第二协议层未在该第一定时器的时长内接收到该第一事件或在该第二协议层在该第二定时器的时长内接收到第三事件，重启该第一定时器，该第三事件用于指示该第一信号集中的信号的质量优到满足第二条件，该第一定时器的时长大于该第二定时器的时长。
可选地，在本申请实施例中，该确定单元具体用于：若该第一定时器终止，该终端设备确定发生该第二事件。
可选地，在本申请实施例中，该终端设备还包括：第二计数单元，用于在该第二协议层每接收到一个该第一事件，就将计数器加1；若在该计数器的值未达到第一值时在该第二协议层接收到第三事件，将该计数器清0，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件；该确定单元具体用于：基于该计数器的计数情况，确定发生该第二事件。
可选地，在本申请实施例中，该确定单元具体用于：若该计数器的值大于或等于第一值，确定发生该第二事件。
可选地，在本申请实施例中，该接收单元具体用于：在该第二协议层在该第一定时器的时长内接收该第一事件；第三定时单元，用于若在该第二协议层在该第一定时器的时长内接收到第三事件，将该第一定时器重启，该第三事件用于指示该第一信号集中的信号的质量优到满足第三条件。
可选地，在本申请实施例中，该确定单元具体用于：若该第一定时器终止，确定发生该第二事件。
可选地，在本申请实施例中，该终端设备还包括：第四定时单元，用于启动K个定时器，K为正整数；该确定单元具体用于：在该第二协议层基于在该K个定时器的时长内该第一事件的接收情况，确定发生该第二事件。
可选地，在本申请实施例中，K＝1，该确定单元具体用于：若在该1个定时器的时长内接收到的该第一事件的次数大于或等于第一值，确定发生该第二事件。
可选地，在本申请实施例中，K为大于1的正整数，该K个定时器中的第j个定时器的时长小于该K个定时器中的第(j+1)个定时器的时长，该K个定时器中的每个定时器对应一个门限值，该第j个定时器对应的门限值小于该第(j+1)个定时器对应的门限值，该K个定时器中相继启动的两个定时器的工作时间重叠，j为正整数，且j小于K。
可选地，在本申请实施例中，该确定单元具体用于：若在该第二协议层在该K个定时器中的每个定时器的时长内接收到的该第一事件的次数大于或等于该每个定时器对应的门限值，确定发生该第二事件。
可选地，在本申请实施例中，该K个定时器的起始时间相同。
可选地，在本申请实施例中，该终端设备还包括：第三计数单元，用于若在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数大于或等于该第i个定时器对应的门限值，使计数器继续对在该第二协议层接收到的该第一事件进行计数；或若在该第二协议层在该K个定时器中的第i个定时器的时长内接收到的该第一事件的次数小于该第i个定时器对应的门限值，将该计数器清0并将该K个定时器重启，i为小于或等于K的正整数。
可选地，在本申请实施例中，该第一值是由终端设备内部配置或根据网络设备的配置参数确定的。
可选地，在本申请实施例中，定时器的时长是由终端设备内部配置或根据网络设备的配置参数确定的。
可选地，在本申请实施例中，该第一信号集中的信号的质量差到满足第一条件，包括：该第一信号集中的每个信号的误块率高于或等于第二值。
可选地，在本申请实施例中，该第一信号集中的信号包括信道状态信息参考信号CSI-RS，和/或，同步信号SS/广播信道PBCH块。
可选地，在本申请实施例中，该第一协议层为物理层，该第二协议层为高层。
应理解，根据本申请实施例的终端设备200可对应于本申请方法实施例中的终端设备，并且终端设备200中的各个单元的上述和其它操作和/或功能分别为了实现图2方法中终端设备的相应流程，为了简洁，在此不再赘述。
如图5所示，本申请实施例还提供了一种终端设备300，该终端设备300可以是图4中的终端设备200，其能够用于执行与图2中方法100对应的终端设备的内容。该终端设备300包括：输入接口310、输出接口320、处理器330以及存储器340，该输入接口310、输出接口320、处理器330和存储器340可以通过总线系统相连。该存储器340用于存储包括程序、指令或代码。该处理器330，用于执行该存储器340中的程序、指令或代码，以控制输入接口310接收信号、控制输出接口320发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的终端设备，有利于提高信号传输性能。
应理解，在本申请实施例中，该处理器330可以是中央处理单元(Central Processing Unit，CPU)，该处理器330还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器340可以包括只读存储器和随机存取存储器，并向处理器330提供指令和数据。存储器340的一部分还可以包括非易失性随机存取存储器。例如，存储器340还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器330中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器340，处理器330读取存储器340中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，终端设备300中的确定单元、定时单元和计数单元可以由图5中的处理器330实现，终端设备300的接收单元可以由图5中的输入接口310实现。
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申请的范围。
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，该单元的划分，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。
该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，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该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，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的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)执行本申请各个实施例的全部或部分步骤。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，仅为本申请的具体实施方式，但本申请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申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (44)

  1. 一种检测链路质量的方法，其特征在于，包括：
    终端设备在第二协议层接收第一协议层上报的第一事件，所述第一事件用于指示第一信号集中的信号的质量差到满足第一条件；
    所述终端设备在所述第二协议层基于所述第一事件，确定发生第二事件，所述第二事件用于指示与所述第一信号集中的信号对应的链路质量差到满足第二条件。
  2. 根据权利要求1所述的方法，其特征在于，所述终端设备在所述第二协议层基于所述第一事件，确定发生第二事件，包括：
    所述终端设备在所述第二协议层基于接收到的所述第一事件的次数，确定发生所述第二事件；和/或
    所述终端设备基于在第一定时器的时长内所述第一事件的发生情况，确定发生所述第二事件。
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    所述终端设备在所述第二协议层每接收到一个第一事件，就启动或重启第二定时器，并且所述终端设备在所述第二协议层在所述第二定时器的时长内接收所述第一事件。
  4. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    若所述终端设备在所述第二协议层在所述第二定时器的时长内接收到所述第一事件，所述终端设备将计数器加1；
    若所述终端设备在所述第二协议层未在所述第二定时器的时长内接收到所述第一事件或所述终端设备在所述第二协议层在所述第二定时器的时长内接收到第三事件，所述终端设备将所述计数器清0，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件；
    所述终端设备在所述第二协议层基于接收到的所述第一事件的次数，确定发生所述第二事件，包括：
    所述终端设备在所述第二协议层基于所述计数器的计数情况，确定发生所述第二事件。
  5. 根据权利要求4所述的方法，其特征在于，所述终端设备在所述第二协议层基于所述计数器的计数情况，确定发生所述第二事件，包括：
    若所述计数器的值大于或等于第一值，所述终端设备确定发生所述第二事件。
  6. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    若所述终端设备在所述第二协议层在所述第二定时器的时长内接收到所述第一事件，所述终端设备在所述第二协议层在所述第一定时器的时长内继续接收所述第一事件；
    若所述终端设备在所述第二协议层未在所述第一定时器的时长内接收到所述第一事件或所述终端设备在所述第二协议层在所述第二定时器的时长内接收到第三事件，所述终端设备重启所述第一定时器，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第二条件，所述第一定时器 的时长大于所述第二定时器的时长。
  7. 根据权利要求6所述的方法，其特征在于，所述终端设备基于在第一定时器的时长内所述第一事件的发生情况，确定发生所述第二事件，包括：
    若所述第一定时器终止，所述终端设备确定发生所述第二事件。
  8. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    所述终端设备在所述第二协议层每接收到一个所述第一事件，就将计数器加1；
    若在所述计数器的值未达到第一值时所述终端设备在所述第二协议层接收到第三事件，所述终端设备将所述计数器清0，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件；
    所述终端设备在所述第二协议层基于接收到的所述第一事件的次数，确定发生所述第二事件，包括：
    所述终端设备基于所述计数器的计数情况，确定发生所述第二事件。
  9. 根据权利要求8所述的方法，其特征在于，所述终端设备基于所述计数器的计数情况，确定发生所述第二事件，包括：
    若所述计数器的值大于或等于第一值，所述终端设备确定发生所述第二事件。
  10. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    所述终端设备在所述第二协议层在所述第一定时器的时长内接收所述第一事件；
    若所述终端设备在所述第二协议层在所述第一定时器的时长内接收到第三事件，所述终端设备将所述第一定时器重启，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件。
  11. 根据权利要求10所述的方法，其特征在于，所述终端设备基于在第一定时器的时长内所述第一事件的发生情况，确定发生所述第二事件，包括：
    若所述第一定时器终止，所述终端设备确定发生所述第二事件。
  12. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述终端设备启动K个定时器，K为正整数；
    所述终端设备在所述第二协议层基于所述第一事件，确定发生第二事件，包括：
    所述终端设备在所述第二协议层基于在所述K个定时器的时长内所述第一事件的接收情况，确定发生所述第二事件。
  13. 根据权利要求12所述的方法，其特征在于，K＝1，所述终端设备在所述第二协议层基于在所述K个定时器的时长内接收到的所述第一事件的接收情况，确定发生所述第二事件，包括：
    若所述终端设备在所述1个定时器的时长内接收到的所述第一事件的次数大于或等于第一值，所述终端设备确定发生所述第二事件。
  14. 根据权利要求12所述的方法，其特征在于，K为大于1的正整数，所述K个定时器中的第j个定时器的时长小于所述K个定时器中的第(j+1) 个定时器的时长，所述K个定时器中的每个定时器对应一个门限值，所述第j个定时器对应的门限值小于所述第(j+1)个定时器对应的门限值，所述K个定时器中相继启动的两个定时器的工作时间重叠，j为正整数，且j小于K。
  15. 根据权利要求14所述的方法，其特征在于，所述终端设备在所述第二协议层基于在所述K个定时器的时长内接收到的所述第一事件的接收情况，确定发生所述第二事件，包括：
    若所述终端设备在所述第二协议层在所述K个定时器中的每个定时器的时长内接收到的所述第一事件的次数大于或等于所述每个定时器对应的门限值，确定发生所述第二事件。
  16. 根据权利要求15所述的方法，其特征在于，所述K个定时器的起始时间相同。
  17. 根据权利要求16所述的方法，其特征在于，所述方法还包括：
    若所述终端设备在所述第二协议层在所述K个定时器中的第i个定时器的时长内接收到的所述第一事件的次数大于或等于所述第i个定时器对应的门限值，所述终端设备使计数器继续对在所述第二协议层接收到的所述第一事件进行计数；
    若所述终端设备在所述第二协议层在所述K个定时器中的第i个定时器的时长内接收到的所述第一事件的次数小于所述第i个定时器对应的门限值，所述终端设备将所述计数器清0并将所述K个定时器重启，i为小于或等于K的正整数。
  18. 根据权利要求5、9和13中任一项所述的方法，其特征在于，所述第一值是由终端设备内部配置或根据网络设备的配置参数确定的。
  19. 根据权利要求2至7以及10和11中任一项所述的方法，其特征在于，定时器的时长是由终端设备内部配置或根据网络设备的配置参数确定的。
  20. 根据权利要求1至19中任一项所述的方法，其特征在于，所述第一信号集中的信号的质量差到满足第一条件，包括：所述第一信号集中的每个信号的误块率高于或等于第二值。
  21. 根据权利要求1至20中任一项所述的方法，其特征在于，所述第一信号集中的信号包括信道状态信息参考信号CSI-RS，和/或，同步信号SS/广播信道PBCH块。
  22. 根据权利要求1至21中任一项所述的方法，其特征在于，所述第一协议层为物理层，所述第二协议层为高层。
  23. 一种终端设备，其特征在于，所述终端设备包括：
    接收单元，用于在第二协议层接收第一协议层上报的第一事件，所述第一事件用于指示第一信号集中的信号的质量差到满足第一条件；
    确定单元，用于在所述第二协议层基于所述第一事件，确定发生第二事件，所述第二事件用于指示与所述第一信号集中的信号对应的链路质量差到满足第二条件。
  24. 根据权利要求23所述的终端设备，其特征在于，所述确定单元具 体用于：
    在所述第二协议层基于接收到的所述第一事件的次数，确定发生所述第二事件；和/或
    基于在第一定时器的时长内所述第一事件的发生情况，确定发生所述第二事件。
  25. 根据权利要求24所述的终端设备，其特征在于，所述终端设备还包括：
    第一定时单元，用于在所述第二协议层每接收到一个第一事件，就启动或重启第二定时器，并且所述终端设备在所述第二协议层在所述第二定时器的时长内接收所述第一事件。
  26. 根据权利要求25所述的终端设备，其特征在于，所述终端设备还包括：
    第一计数单元，用于若在所述第二协议层在所述第二定时器的时长内接收到所述第一事件，将计数器加1；或
    若在所述第二协议层未在所述第二定时器的时长内接收到所述第一事件或在所述第二协议层在所述第二定时器的时长内接收到第三事件，将所述计数器清0，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件；
    所述确定单元具体用于：
    在所述第二协议层基于所述计数器的计数情况，确定发生所述第二事件。
  27. 根据权利要求25所述的终端设备，其特征在于，所述确定单元具体用于：
    若所述计数器的值大于或等于第一值，确定发生所述第二事件。
  28. 根据权利要求25所述的终端设备，其特征在于，所述终端设备还包括：
    第二定时单元，用于若在所述第二协议层在所述第二定时器的时长内接收到所述第一事件，在所述第二协议层在所述第一定时器的时长内继续接收所述第一事件；或
    若在所述第二协议层未在所述第一定时器的时长内接收到所述第一事件或在所述第二协议层在所述第二定时器的时长内接收到第三事件，重启所述第一定时器，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第二条件，所述第一定时器的时长大于所述第二定时器的时长。
  29. 根据权利要求28所述的终端设备，其特征在于，所述确定单元具体用于：
    若所述第一定时器终止，所述终端设备确定发生所述第二事件。
  30. 根据权利要求24所述的终端设备，其特征在于，所述终端设备还包括：
    第二计数单元，用于在所述第二协议层每接收到一个所述第一事件，就将计数器加1；
    若在所述计数器的值未达到第一值时在所述第二协议层接收到第三事件，将所述计数器清0，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件；
    所述确定单元具体用于：
    基于所述计数器的计数情况，确定发生所述第二事件。
  31. 根据权利要求30所述的终端设备，其特征在于，所述确定单元具体用于：
    若所述计数器的值大于或等于第一值，确定发生所述第二事件。
  32. 根据权利要求24所述的终端设备，其特征在于，所述接收单元具体用于：
    在所述第二协议层在所述第一定时器的时长内接收所述第一事件；
    第三定时单元，用于若在所述第二协议层在所述第一定时器的时长内接收到第三事件，将所述第一定时器重启，所述第三事件用于指示所述第一信号集中的信号的质量优到满足第三条件。
  33. 根据权利要求32所述的终端设备，其特征在于，所述确定单元具体用于：
    若所述第一定时器终止，确定发生所述第二事件。
  34. 根据权利要求23所述的终端设备，其特征在于，所述终端设备还包括：
    第四定时单元，用于启动K个定时器，K为正整数；
    所述确定单元具体用于：
    在所述第二协议层基于在所述K个定时器的时长内所述第一事件的接收情况，确定发生所述第二事件。
  35. 根据权利要求34所述的终端设备，其特征在于，K＝1，所述确定单元具体用于：
    若在所述1个定时器的时长内接收到的所述第一事件的次数大于或等于第一值，确定发生所述第二事件。
  36. 根据权利要求34所述的终端设备，其特征在于，K为大于1的正整数，所述K个定时器中的第j个定时器的时长小于所述K个定时器中的第(j+1)个定时器的时长，所述K个定时器中的每个定时器对应一个门限值，所述第j个定时器对应的门限值小于所述第(j+1)个定时器对应的门限值，所述K个定时器中相继启动的两个定时器的工作时间重叠，j为正整数，且j小于K。
  37. 根据权利要求36所述的终端设备，其特征在于，所述确定单元具体用于：
    若在所述第二协议层在所述K个定时器中的每个定时器的时长内接收到的所述第一事件的次数大于或等于所述每个定时器对应的门限值，确定发生所述第二事件。
  38. 根据权利要求37所述的终端设备，其特征在于，所述K个定时器的起始时间相同。
  39. 根据权利要求38所述的终端设备，其特征在于，所述终端设备还包括：
    第三计数单元，用于若在所述第二协议层在所述K个定时器中的第i个定时器的时长内接收到的所述第一事件的次数大于或等于所述第i个定时器对应的门限值，使计数器继续对在所述第二协议层接收到的所述第一事件进行计数；或
    若在所述第二协议层在所述K个定时器中的第i个定时器的时长内接收到的所述第一事件的次数小于所述第i个定时器对应的门限值，将所述计数器清0并将所述K个定时器重启，i为小于或等于K的正整数。
  40. 根据权利要求27、31和35中任一项所述的终端设备，其特征在于，所述第一值是由终端设备内部配置或根据网络设备的配置参数确定的。
  41. 根据权利要求24至29以及32和33中任一项所述的终端设备，其特征在于，定时器的时长是由终端设备内部配置或根据网络设备的配置参数确定的。
  42. 根据权利要求23至41中任一项所述的终端设备，其特征在于，所述第一信号集中的信号的质量差到满足第一条件，包括：所述第一信号集中的每个信号的误块率高于或等于第二值。
  43. 根据权利要求23至42中任一项所述的终端设备，其特征在于，所述第一信号集中的信号包括信道状态信息参考信号CSI-RS，和/或，同步信号SS/广播信道PBCH块。
  44. 根据权利要求23至43中任一项所述的终端设备，其特征在于，所述第一协议层为物理层，所述第二协议层为高层。
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