WO2020073769A1 - 信息发送方法、接收方法、终端及辅基站 - Google Patents

信息发送方法、接收方法、终端及辅基站 Download PDF

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Publication number
WO2020073769A1
WO2020073769A1 PCT/CN2019/105615 CN2019105615W WO2020073769A1 WO 2020073769 A1 WO2020073769 A1 WO 2020073769A1 CN 2019105615 W CN2019105615 W CN 2019105615W WO 2020073769 A1 WO2020073769 A1 WO 2020073769A1
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WIPO (PCT)
Prior art keywords
information
cell
measurement result
mac
terminal
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Ceased
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PCT/CN2019/105615
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English (en)
French (fr)
Inventor
岳然
杨晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to an information sending method, a receiving method, a terminal, and a secondary base station.
  • a serving base station of a dual-connected user equipment (User Equipment, UE, also called terminal) has a master base station (Master Node, MN) and a secondary base station (Secondary Node, SN).
  • MN Master Node
  • SN Secondary Node
  • the wireless link is restored through a random access channel (RACH) process between the UE and the MN.
  • RACH random access channel
  • the recovery is slower.
  • the auxiliary information for fast link recovery cannot be provided, the purpose of fast link recovery cannot be achieved.
  • Some embodiments of the present disclosure provide an information sending method, a receiving method, a terminal, and a secondary base station to solve the wireless link recovery method in the related art, and there is a problem that the wireless link recovery is slow.
  • some embodiments of the present disclosure provide an information sending method, which is applied to a terminal and includes:
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • some embodiments of the present disclosure provide an information receiving method, which is applied to a secondary base station and includes:
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • some embodiments of the present disclosure provide a terminal, including:
  • the sending module is used to send link recovery auxiliary information to the secondary base station
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • some embodiments of the present disclosure provide a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the computer program is executed by the processor to implement the above The steps of the information sending method.
  • some embodiments of the present disclosure provide a secondary base station, including:
  • the receiving module is used to receive the link recovery auxiliary information sent by the terminal;
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • some embodiments of the present disclosure provide a secondary base station, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, and the computer program is implemented when executed by the processor The steps of the above information receiving method.
  • some embodiments of the present disclosure provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and the computer program is executed by a processor to implement the above-mentioned information transmission method Steps or steps of the above-mentioned information receiving method.
  • the auxiliary network side completes the link recovery as quickly as possible, ensuring the timeliness of the network communication.
  • FIG 1 shows the working process diagram of T310 and T311 in RLM and RLF functions
  • FIG. 2 is a schematic flowchart of an information sending method according to some embodiments of the present disclosure
  • FIG. 3 is a schematic flowchart of an information receiving method according to some embodiments of the present disclosure.
  • FIG. 4 shows a schematic block diagram of a terminal of some embodiments of the present disclosure
  • FIG. 5 shows a structural block diagram of a terminal according to some embodiments of the present disclosure
  • FIG. 6 is a schematic block diagram of a secondary base station according to some embodiments of the present disclosure.
  • FIG. 7 is a structural block diagram of a secondary base station according to some embodiments of the present disclosure.
  • Dual connectivity is a technology introduced in Long Term Evolution (LTE) and will also be used in New Radio (NR). It means that the UE can be connected to two base stations at the same time, and the two base stations provide data transmission and reception services for the UE at the same time. Since the radio resources of two base stations can be used at the same time, the service data transmission rate of the UE is doubled.
  • LTE Long Term Evolution
  • NR New Radio
  • the serving base station of a dual-connected UE can belong to the same access network standard (Radio Access Technology (RAT)), for example: two LTE eNBs, or two NR gNBs; it can also belong to different RATs, for example: one LTE eNB, an NRgNB.
  • RAT Radio Access Technology
  • the present disclosure can be applied to any type of dual-connected base station, and the type of the dual-connected base station is not limited.
  • each base station can support carrier aggregation (Carrier Aggregation, CA) technology.
  • CA Carrier Aggregation
  • the network will configure two special cells for dual-connected UEs, that is, configure one serving cell of MN as the primary serving cell of the UE (Primary Cell, PCell), and configure one serving cell of SN as the primary and secondary serving cell (Primary) Cell, PSCell).
  • the other cells serving the UE of the MN and the SN are the secondary serving cells (Secondary Cell, SCell) of the UE.
  • Multi-connection refers to more than two base stations serving the same UE.
  • the present disclosure is also applicable to multiple connections, and does not limit the types of multiple connection base stations.
  • one of the serving base stations of a multi-connected UE is an MN or a master serving cell group (MCG), and the other is an SN or a secondary serving cell group (SCG).
  • MN master serving cell group
  • SCG secondary serving cell group
  • each base station can support CA.
  • the network will configure multiple special cells for multiple connected UEs, that is, one serving cell of the MN is configured as the PCell of the UE, and one PScell of each serving cell of each SN is configured.
  • the other cells of the MN and SN serving the UE are the Scell of the UE.
  • the UE has a radio link monitoring (RadioLink Monitor, RLM) function. After determining that the radio link fails (RadioLink Failure, RLF), the UE performs the corresponding link recovery procedure.
  • RLM and RLF are only implemented on PCell and PScell.
  • the UE measures the signal-to-noise ratio (Signal to Interference Plus Noise, Ratio, SINR) of the cell reference signal (CRS) corresponding to the PCell physical downlink control channel (Physical Downlink Control CHannel, PDCCH). Realize monitoring of wireless links.
  • SINR Signal-to-noise ratio
  • the physical layer (L1) of the UE measures that the SINR of the CRS corresponding to the PDCCH of PCell is below a certain threshold, it is determined that the wireless link is out of synchronization ("out-of-sync"); Out-of-sync indication, if the RRC layer has N310 consecutive out-of-sync indications, the UE RRC layer starts a timer (Timer) T310.
  • the wireless link synchronization (in-sync) is deemed.
  • the physical layer notifies the higher layer (RRC layer) of an in-sync indication. If the RRC layer has N311 consecutive in-sync indications, the UE stops the operation of Timer T310.
  • the UE determines the RLF; and starts the timer T311. During the operation of the T311, the UE will try to find a suitable cell for RRC connection reestablishment. Before the reconstruction is successful, the transmission and reception of user plane data between the UE and the network will be interrupted.
  • the UE If the UE is not successfully reestablished before T311 times out, the UE changes from the RRC connected state (RRC_CONNECTED) to the RRC idle state (RRC_IDLE).
  • T310 and T311 The working process of T310 and T311 is shown in Figure 1.
  • the duration of N310, N311, T310 and T311 is configured by the network.
  • the UE monitors the wireless link by measuring the SINR of the CRS corresponding to the PSCell and PDCCH.
  • the radio link is considered "out-of-sync"; the physical layer notifies the higher layer (RRC layer, L3) of an out-of-sync of-sync indication, if the RRC layer has N313 consecutive out-of-sync indications, the UE RRC layer starts a Timer T313.
  • the wireless link is deemed "in-sync". Then the physical layer notifies the higher layer (RRC layer) of an in-sync indication. If the RRC layer has N314 consecutive in-sync indications, the UE stops the operation of Timer T313.
  • the UE determines that the SCG radio link has failed (SCG-RLF); it stops sending and receiving data on the SN and reports the SCG-RLF to the network.
  • SCG-RLF SCG radio link has failed
  • the duration of N313, N314 and T313 is configured by the network.
  • NR's RLM and RLF processing flow is similar to LTE.
  • the name of the counter / timer used may be different, and the type of measurement signal will be different.
  • 3GPP has agreed that the reference signal for RLM in NR is different from LTE, and will use the channel state information reference signal (Channel State Information-Reference Signal, CSI-RS) and / or synchronization signal block (Synchronization Signal Block, SSB) ) Do RLM for the reference signal.
  • CSI-RS Channel State Information-Reference Signal
  • SSB Synchrom Signal Block
  • SSB and CSI-RS are two reference signals of NR.
  • the RRC connection reestablishment process is used to restore the signaling connection between the network and the UE, that is, the signaling radio bearer one (SRB1).
  • SRB1 signaling radio bearer one
  • a wireless link failure occurs between the UE and the MN (for example: the UE detects that the downlink wireless link quality of the network is lower than the preset threshold; the UE MAC layer random access channel (Random Access Channel, RACH) attempts reach the maximum Unsuccessful; UE radio link control (Radio Link Control, RLC) layer AM mode retransmitted to the maximum number of times, etc.);
  • RACH Random Access Channel
  • RLC Radio Link Control
  • the UE fails to switch
  • the UE finds that the signaling transmitted by SRB1 or SRB2 fails to protect the integrity
  • the UE finds that it cannot execute the RRC reconfiguration command sent by the network (for example, the value of the parameter after reconfiguration exceeds the hardware capability of the UE).
  • the present disclosure has a problem that the wireless link recovery is slow, and provides an information sending method, a receiving method, a terminal, and a secondary base station.
  • some embodiments of the present disclosure provide an information sending method, which is applied to a terminal and includes:
  • Step 201 Send link recovery auxiliary information to the secondary base station
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell (ie, PCell failure event) and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the terminal when a wireless link fails between the terminal and the main base station (MN), the terminal cannot communicate with the MN, and can only communicate through the secondary base station (SN). Specifically, the link recovers auxiliary information The terminal is mainly sent to the secondary base station through a random access message during the random access process with the SN.
  • the link recovery auxiliary information is a radio link failure event of the main serving cell
  • the terminal can use the following two methods to indicate the radio link failure event of the primary serving cell.
  • Method 1 Message 1 with random access (Msg1)
  • step 201 is:
  • the first preamble is a dedicated preamble used in this embodiment, and the first preamble indicates a radio link failure event of the primary serving cell.
  • the first preamble may be agreed by a protocol, or the first preamble may be configured by a network device.
  • the network device may be a secondary base station or a primary base station, that is, the first preamble may be The primary base station configures the terminal, or the secondary base station configures the terminal.
  • the secondary base station when the secondary base station receives the first preamble, the secondary base station can determine that the terminal is performing fast link recovery, and at this time, the secondary base station can make corresponding feedback, for example, to quickly reconfigure the terminal , Or the RRC connection is reestablished, or the RRC connection is restored, and the wireless link between the terminal and the primary base station is restored.
  • step 201 is:
  • the first MAC CE is a newly added MAC used in this embodiment.
  • the first MAC CE is used to indicate a radio link failure event of the primary serving cell, because the first MAC CE is Newly added, so it is necessary to add new logical channel identification information (ie, first logical channel identification information) to identify the first MAC, that is, the first MAC is identified by the first logical channel identification information.
  • new logical channel identification information ie, first logical channel identification information
  • the terminal can only use the first way to indicate the radio link failure event of the primary serving cell; in the contentious random access process, the terminal can only use the first way to perform the main
  • the indication of the radio link failure event of the serving cell may also be performed by way two only to indicate the radio link failure event of the primary serving cell, or the terminal may use both modes one and two to simultaneously indicate the radio link failure event of the primary serving cell.
  • the link recovery auxiliary information is the measurement result information of at least one cell in the primary cell group where the failed link is located
  • step 201 is:
  • the second MAC is a newly added MAC used in this embodiment, and the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located; Since the second MAC is newly added, it is necessary to add one or extend the logical channel identification information in the related art (ie, the second logical channel identification information) to identify the second MAC, that is, the second MAC passes the Two logical channel identification information for identification.
  • the second MAC is a newly added MAC used in this embodiment, and the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located; Since the second MAC is newly added, it is necessary to add one or extend the logical channel identification information in the related art (ie, the second logical channel identification information) to identify the second MAC, that is, the second MAC passes the Two logical channel identification information for identification.
  • the second MAC may also be used to indicate a radio link failure event of the primary serving cell.
  • the second MAC is used for an implicit indication of the radio link failure event of the primary serving cell, that is, when the secondary base station receives the second MAC, it can know that a radio link failure has occurred between the terminal and the MN.
  • the measurement result information of at least one cell in the primary cell group where the failed link is embodied in the second MAC CE includes one of the following ways:
  • A11 A list of cell identification information sorted according to cell measurement results
  • the bitmap indicates 1 indicates that the measurement result of the cell corresponding to the bit is higher than the first preset threshold, otherwise, the measurement result indicating the cell corresponding to the bit is not higher than the first preset threshold.
  • the first preset threshold value is defined by agreement, network device configuration, or terminal.
  • the measurement result information may be reference signal received power (RSRP) and / or reference signal received quality (RSRQ).
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • the second preset threshold value is defined by agreement, network device configuration, or terminal.
  • second MAC CE and first MAC CE may be the same or different.
  • Case 2 When the terminal fails to link with the MN, and there is no link failure with the SN, during the random access process, the primary preamble is used to indicate the radio link failure event of the primary serving cell in Msg1.
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located;
  • the first MAC in the Msg3 CE indicates the radio link failure event of the primary serving cell, through the Msg3
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located;
  • the second MAC in Msg3 carries at least one cell in the primary cell group where the failed link is located At this time, the second MAC can be used to implicitly indicate the radio link failure event of the primary serving cell.
  • the terminal sends link recovery assistance information to the secondary base station.
  • the auxiliary network side completes the link recovery as quickly as possible, thereby ensuring timely network communication Sex.
  • FIG. 3 is a schematic flowchart of an information receiving method according to some embodiments of the present disclosure.
  • the information receiving method which is applied to a secondary base station, includes:
  • Step 301 Receive link recovery auxiliary information sent by a terminal
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the link recovery auxiliary information sent by the receiving terminal includes:
  • the method further includes:
  • the first MAC is identified by the first logical channel identification information.
  • the link recovery auxiliary information sent by the receiving terminal includes:
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the second MAC corresponds to the second logical channel identification information.
  • the second MAC is also used to indicate the radio link failure event of the primary serving cell.
  • the embodiment of the measurement result information of at least one cell in the primary cell group where the failed link is located in the second MAC includes: a list of cell identification information sorted according to the measurement results of the cell, the cell's Whether the measurement result is higher or lower than the bit map information of the first preset threshold value, the measurement result information of at least one cell, or the identification information of the cell whose measurement result is higher than the second preset threshold value.
  • a terminal 400 including:
  • the sending module 401 is used to send link recovery auxiliary information to the secondary base station;
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the sending module 401 is configured to:
  • the first preamble is agreed by a protocol or configured by a network device.
  • the first MAC is identified by the first logical channel identification information.
  • the sending module 401 is configured to:
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located;
  • the second MAC corresponds to the second logical channel identification information.
  • the second MAC is also used to indicate the radio link failure event of the primary serving cell.
  • the manifestation form of the measurement result information of at least one cell in the primary cell group where the failed link is located in the second MAC includes: a list of cell identification information sorted according to the cell measurement results, and the cell's Whether the measurement result is higher or lower than the bit map information of the first preset threshold value, the measurement result information of at least one cell, or the identification information of the cell whose measurement result is higher than the second preset threshold value.
  • the first preset threshold value is defined by protocol agreement, network device configuration or terminal;
  • the second preset threshold value is defined by protocol agreement, network device configuration or terminal.
  • the terminal embodiment is a terminal corresponding to the above-mentioned information transmission method applied to the terminal. All implementations of the above embodiment are applicable to the terminal embodiment, and the same technical effect can be achieved.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal for implementing some embodiments of the present disclosure.
  • the terminal 50 includes but is not limited to: a radio frequency unit 510, a network module 520, an audio output unit 530, an input unit 540, a sensor 550, a display unit 560, a user input unit 570, an interface unit 580, a memory 590, a processor 511, and a power supply 512 and other components.
  • a radio frequency unit 510 includes but is not limited to: a radio frequency unit 510, a network module 520, an audio output unit 530, an input unit 540, a sensor 550, a display unit 560, a user input unit 570, an interface unit 580, a memory 590, a processor 511, and a power supply 512 and other components.
  • terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those illustrated, or combine certain components, or arrange different components.
  • terminals include but are not limited to mobile phones, tablet computers, notebook computers, palmtop computers, in-vehicle
  • the radio frequency unit 510 is used to send link recovery auxiliary information to the secondary base station;
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the terminal of some embodiments of the present disclosure sends link recovery assistance information to the secondary base station.
  • the auxiliary network side completes link recovery as quickly as possible to ensure the timeliness of network communication.
  • the radio frequency unit 510 may be used to receive and send signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the network device, it is processed by the processor 511; In addition, the uplink data is sent to the network device.
  • the radio frequency unit 510 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 510 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 520, such as helping users to send and receive e-mails, browse web pages, and access streaming media.
  • the audio output unit 530 may convert the audio data received by the radio frequency unit 510 or the network module 520 or stored in the memory 590 into an audio signal and output as sound. Moreover, the audio output unit 530 may also provide audio output related to a specific function performed by the terminal 50 (eg, call signal reception sound, message reception sound, etc.).
  • the audio output unit 530 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 540 is used to receive audio or video signals.
  • the input unit 540 may include a graphics processor (Graphics, Processing, Unit, GPU) 541 and a microphone 542.
  • the graphics processor 541 pairs images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode
  • the data is processed.
  • the processed image frame may be displayed on the display unit 560.
  • the image frame processed by the graphics processor 541 may be stored in the memory 590 (or other storage medium) or sent via the radio frequency unit 510 or the network module 520.
  • the microphone 542 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication network device via the radio frequency unit 510 in the case of a phone call mode and output.
  • the terminal 50 also includes at least one sensor 550, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 561 according to the brightness of the ambient light, and the proximity sensor can close the display panel 561 and / or when the terminal 50 moves to the ear Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest, and can be used to recognize the posture of the terminal (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc .; sensor 550 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 560 is used to display information input by the user or information provided to the user.
  • the display unit 560 may include a display panel 561, and the display panel 561 may be configured in the form of a liquid crystal display (Liquid Crystal (Display), LCD), an organic light emitting diode (Organic Light-Emitting Diode, OLED), or the like.
  • a liquid crystal display Liquid Crystal (Display), LCD
  • an organic light emitting diode Organic Light-Emitting Diode, OLED
  • the user input unit 570 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 570 includes a touch panel 571 and other input devices 572.
  • the touch panel 571 also known as a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc. on or near the touch panel 571 operating).
  • the touch panel 571 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into contact coordinates, and then sends To the processor 511, the command sent from the processor 511 is received and executed.
  • the touch panel 571 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 570 may also include other input devices 572.
  • other input devices 572 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not repeated here.
  • the touch panel 571 may be overlaid on the display panel 561. After the touch panel 571 detects a touch operation on or near it, it is transmitted to the processor 511 to determine the type of touch event, and then the processor 511 according to the touch The type of event provides a corresponding visual output on the display panel 561.
  • the touch panel 571 and the display panel 561 are implemented as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 571 and the display panel 561 may be integrated and The input and output functions of the terminal are implemented, which is not limited here.
  • the interface unit 580 is an interface for connecting an external device to the terminal 50.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input / output (I / O) port, video I / O port, headphone port, etc.
  • the interface unit 580 may be used to receive input (eg, data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 50 or may be used between the terminal 50 and the external device Transfer data between.
  • the memory 590 may be used to store software programs and various data.
  • the memory 590 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required by at least one function (such as a sound playback function, an image playback function, etc.), etc .; the storage data area may store Data created by the use of mobile phones (such as audio data, phonebooks, etc.), etc.
  • the memory 590 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 511 is the control center of the terminal, and uses various interfaces and lines to connect the various parts of the entire terminal, executes or executes the software programs and / or modules stored in the memory 590, and calls the data stored in the memory 590 to execute Various functions and processing data of the terminal, so as to monitor the terminal as a whole.
  • the processor 511 may include one or more processing units; optionally, the processor 511 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc.
  • the modulation processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 511.
  • the terminal 50 may also include a power supply 512 (such as a battery) that supplies power to various components.
  • a power supply 512 such as a battery
  • the power supply 512 may be logically connected to the processor 511 through a power management system, thereby managing charge, discharge, and power consumption management through the power management system And other functions.
  • the terminal 50 includes some unillustrated functional modules, which will not be repeated here.
  • some embodiments of the present disclosure also provide a terminal, including a processor 511, a memory 590, and a computer program stored on the memory 590 and executable on the processor 511.
  • the computer program is used by the processor 511 During execution, each process of the information transmission method embodiment applied to the terminal side is achieved, and the same technical effect can be achieved. To avoid repetition, details are not described here.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium.
  • the computer program When the computer program is executed by a processor, each process of the information transmission method embodiment applied to the terminal side is implemented. And can achieve the same technical effect, in order to avoid repetition, no more details here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • some embodiments of the present disclosure also provide a secondary base station 600, including:
  • the receiving module 601 is used to receive the link recovery auxiliary information sent by the terminal;
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the receiving module 601 is configured to:
  • the secondary base station 600 further includes:
  • the configuration module is configured to configure the first preamble for the terminal.
  • the first MAC is identified by the first logical channel identification information.
  • the receiving module 601 is configured to:
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the second MAC corresponds to the second logical channel identification information.
  • the second MAC is also used to indicate the radio link failure event of the primary serving cell.
  • the manifestation form of the measurement result information of at least one cell in the primary cell group where the failed link is located in the second MAC includes: a list of cell identification information sorted according to the cell measurement results, and the cell's Whether the measurement result is higher or lower than the bit map information of the first preset threshold value, the measurement result information of at least one cell, or the identification information of the cell whose measurement result is higher than the second preset threshold value.
  • the embodiment of the secondary base station is a secondary base station corresponding to the above-mentioned information receiving method applied to the secondary base station, and all implementations of the foregoing embodiment are applicable to the embodiment of the secondary base station, and the same Technical effect.
  • Some embodiments of the present disclosure also provide a secondary base station, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, and the computer program implements the above information when executed by the processor
  • a secondary base station including: a memory, a processor, and a computer program stored on the memory and executable on the processor, and the computer program implements the above information when executed by the processor
  • Some embodiments of the present disclosure also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and the computer program is executed by a processor to implement the above-mentioned information receiving method embodiment
  • a computer program is stored on the computer-readable storage medium, and the computer program is executed by a processor to implement the above-mentioned information receiving method embodiment
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the network device 700 includes: a processor 701, a transceiver 702, a memory 703, and a bus interface, where:
  • the processor 701 is used to read the program in the memory 703 and perform the following processes:
  • the link recovery auxiliary information includes: a radio link failure event of the primary serving cell and / or measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by the processor 701 and various circuits of the memory represented by the memory 703 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface provides an interface.
  • the transceiver 702 may be a plurality of elements, including a transmitter and a receiver, and provides a unit for communicating with various other devices on a transmission medium.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 may store data used by the processor 701 when performing operations.
  • the processor 701 is configured to read the program in the memory 703 and perform the following process:
  • the processor 701 is used to read the program in the memory 703, and also performs the following process:
  • the first MAC is identified by the first logical channel identification information.
  • the processor 701 is configured to read the program in the memory 703 and perform the following process:
  • the second MAC carries the measurement result information of at least one cell in the primary cell group where the failed link is located.
  • the second MAC corresponds to the second logical channel identification information.
  • the second MAC is also used to indicate a radio link failure event of the primary serving cell.
  • the embodiment of the measurement result information of at least one cell in the primary cell group where the failed link is located in the second MAC includes: a list of cell identification information sorted according to the measurement results of the cell, and a cell Whether the measurement result of is higher or lower than the bit map information of the first preset threshold, the measurement result information of at least one cell, or the identification information of the cell whose measurement result is higher than the second preset threshold.
  • the secondary base station may be a global mobile communication (Global System of Mobile Communication, GSM) or a base station (Base Transceiver Station, BTS) in Code Division Multiple Access (CDMA), or a broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) base station (NodeB, NB), it can also be an evolved base station in LTE (Evolutional Node B, referred to as eNB or eNodeB), or a relay station or access point, or in the future 5G network
  • GSM Global System of Mobile Communication
  • BTS Base Transceiver Station
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access

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Abstract

本公开提供了一种信息发送方法、接收方法、终端及辅基站，涉及通信技术领域。该信息发送方法，应用于终端，包括：发送链路恢复辅助信息给辅基站；其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。

Description

信息发送方法、接收方法、终端及辅基站
相关申请的交叉引用
本申请主张在2018年10月11日在中国提交的中国专利申请号No.201811184424.2的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，特别涉及一种信息发送方法、接收方法、终端及辅基站。
背景技术
双连接用户设备(User Equipment，UE，也称终端)的服务基站中有一个为主基站(Master Node，MN)，一个为辅基站(Secondary Node，SN)。
相关技术中，通过在UE和MN之间的随机接入信道(Random Access Channel，RACH)过程来恢复无线链路，一方面恢复较慢，另一方面从相关技术中的RACH通用过程来看，无法提供用于快速链路恢复的辅助信息，那么就无法实现快速恢复链路的目的。
发明内容
本公开的一些实施例提供一种信息发送方法、接收方法、终端及辅基站，以解决相关技术中的无线链路恢复方式，存在无线链路恢复较慢的问题。
为了解决上述技术问题，本公开采用如下方案：
第一方面，本公开的一些实施例提供一种信息发送方法，应用于终端，包括：
发送链路恢复辅助信息给辅基站；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
第二方面，本公开的一些实施例提供一种信息接收方法，应用于辅基站，包括：
接收终端发送的链路恢复辅助信息；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
第三方面，本公开的一些实施例提供一种终端，包括：
发送模块，用于发送链路恢复辅助信息给辅基站；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
第四方面，本公开的一些实施例提供一种终端，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述的信息发送方法的步骤。
第五方面，本公开的一些实施例提供一种辅基站，包括：
接收模块，用于接收终端发送的链路恢复辅助信息；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
第六方面，本公开的一些实施例提供一种辅基站，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述的信息接收方法的步骤。
第七方面，本公开的一些实施例提供一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现上述的信息发送方法的步骤或上述的信息接收方法的步骤。
本公开的有益效果是：
上述方案，通过发送链路恢复辅助信息给辅基站，在与MN发生无线链路失败时，辅助网络侧尽可能快速的完成链路的恢复，保证了网络通信的及时性。
附图说明
图1表示RLM和RLF功能中，T310和T311的工作过程示意图；
图2表示本公开的一些实施例的信息发送方法的流程示意图；
图3表示本公开的一些实施例的信息接收方法的流程示意图；
图4表示本公开的一些实施例的终端的模块示意图；
图5表示本公开的一些实施例的终端的结构框图；
图6为本公开的一些实施例的辅基站的模块示意图；
图7为本公开的一些实施例的辅基站的结构框图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合附图及具体实施例对本公开进行详细描述。
在进行本公开的一些实施例的说明时，首先对下面描述中所用到的一些概念进行解释说明。
双连接是一种在长期演进(Long Term Evolution，LTE)中引入的技术，也将用于新空口(New Radio，NR)中。指UE可以同时连接到两个基站，由两个基站同时为UE提供数据收发服务。由于可以同时使用两个基站的无线资源，UE的业务数据传输速率得到成倍提升。
为同一个UE服务的两个基站之间有信令接口，可以互通相关UE的配置信息。
双连接UE的服务基站可以属于同一接入网制式(无线接入技术(Radio Access Technology，RAT))，例如：两个LTE eNB，或者两个NR gNB；也可以属于不同RAT，例如：一个LTE eNB，一个NR gNB。在本公开可适用于任何类型组合的双连接基站，对双连接基站的类型不做限定。
双连接UE的服务基站中有一个为主基站(Master Node，MN)，一个为辅基站(Secondary Node，SN)。其中，每个基站都可以支持载波聚合(Carrier Aggregation，CA)技术。网络会为双连接UE配置两个特殊小区(special cell)，即配置MN的一个服务小区作为UE的主服务小区(Primary Cell，PCell)，配置SN的一个服务小区的主辅服务小区(Primary Secondary Cell，PSCell)。MN和SN的其他为UE服务的小区为该UE的辅服务小区(Secondary Cell，SCell)。
多连接指超过两个基站为同一个UE提供服务。本公开同样适用于多连接，对多连接基站的类型不做限定。
类似双连接，多连接UE的服务基站中有一个为MN或主服务小区群组(Master Cell Group，MCG)，其他为SN或辅服务小区群组(Secondary Cell Group，SCG)。其中，每个基站都可以支持CA。
网络会为多连接UE配置多个特殊小区(special cell)，即配置MN的一个服务小区作为UE的PCell，配置每个SN的一个服务小区的PScell。MN和SN的其他为UE服务的小区为该UE的Scell。
在LTE和NR的系统中，UE都有无线链路监测(RadioLink Monitor，RLM)功能。在判定无线链路失败(RadioLink Failure，RLF)后，UE执行相应的链路恢复流程。RLM及RLF仅在PCell和PScell上执行。
一、PCell上的RLM和RLF
在LTE的RLM功能中，UE通过测量PCell物理下行控制信道(Physical Downlink Control CHannel，PDCCH)对应的小区参考信号(Cell Reference Signal，CRS)的信噪比(Signal to Interference plus Noise Ratio，SINR)来实现对无线链路的监听。当UE物理层(L1)测量到PCell的PDCCH对应的CRS的SINR低于一定门限则认定该无线链路失步("out-of-sync")；物理层通知高层(RRC层，L3)一个out-of-sync指示，如果RRC层连续N310个out-of-sync指示，则UE RRC层开启一个定时器(Timer)T310。
如果当测量的PCell PDCCH对应的CRS高于一定门限则认定该无线链路同步("in-sync")。则物理层通知高层(RRC层)一个in-sync指示，如果RRC层连续N311个in-sync指示则UE停止Timer T310的运行。
如果timer T310运行超时了，则UE判定RLF；并启动定时器T311，在T311运行期间，UE会尝试寻找合适的小区进行RRC连接重建。在重建成功前，UE与网络间的用户面数据收发会中断。
如果在T311超时前，UE未重建成功，则UE由RRC连接态(RRC_CONNECTED)转入RRC空闲态(RRC_IDLE)。
T310和T311的工作过程具体为图1所示。
其中N310，N311，T310和T311的时长是网络配置的。
二、PSCell上的RLM和RLF
在LTE的RLM功能中，UE通过测量PSCell PDCCH对应的CRS的 SINR来实现对无线链路的监听。当UE物理层(L1)测量到PSCell的PDCCH对应的CRS参考信号的SINR低于一定门限则认定该无线链路"out-of-sync"；物理层通知高层(RRC层，L3)一个out-of-sync指示，如果RRC层连续N313个out-of-sync指示，则UE RRC层开启一个Timer T313。
如果当测量的PSCell PDCCH对应的CRS参考信号高于一定门限则认定该无线链路"in-sync"。则物理层通知高层(RRC层)一个in-sync指示，如果RRC层连续N314个in-sync指示则UE停止Timer T313的运行。
如果timer T313运行超时了，则UE判定SCG无线链路失败(SCG-RLF)；停止SN上的数据收发，并向网络上报SCG-RLF。
其中N313，N314，T313的时长是网络配置的。
需要说明的是，NR的RLM和RLF处理流程与LTE类似，如：采用的计数器/定时器的名称可能会有差异，测量信号的类型会有不同。目前，3GPP已经同意了在NR中做RLM的参考信号和LTE不一样，会采用信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)和/或同步信号块(Synchronization Signal Block，SSB)为参考信号做RLM。SSB和CSI-RS为NR的两种参考信号。
无线资源控制(Radio Resource Control，RRC)连接重建
在UE和网络之间的通信发生问题时，UE需要发起RRC连接重建过程。RRC连接重建过程用于恢复网络和UE之间的信令连接，即信令无线承载一(SRB1)。
UE和网络之间的通信发生问题包括以下情况：
A1、UE和MN之间发生无线链路失败(例如：UE检测到网络的下行无线链路质量低于预设门限；UE MAC层随机接入信道(Random Access Channel，RACH)尝试达到最大次数也未成功；UE无线链路控制(Radio Link Control，RLC)层AM模式重传达到最大次数等)；
A2、UE发生切换失败；
A3、UE发现SRB1或SRB2传输的信令发生完整性保护失败；
A4、UE发现不能执行网络发送的RRC重配指令(例如：重配后的参数取值超过UE的硬件能力)。
本公开针对相关技术中的无线链路恢复方式，存在无线链路恢复较慢的问题，提供一种信息发送方法、接收方法、终端及辅基站。
如图2所示，本公开的一些实施例提供一种信息发送方法，应用于终端，包括：
步骤201，发送链路恢复辅助信息给辅基站；
需要说明的是，所述链路恢复辅助信息包括：主服务小区无线链路失败事件(即PCell failure事件)和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
还需要说明的是，当终端与主基站(MN)之间发生无线链路失败时，终端无法与MN进行通信，只能通过辅基站(SN)进行通信，具体地，该链路恢复辅助信息主要是终端在与SN的随机接入过程中，通过随机接入消息发送给辅基站的。
下面分别从链路恢复辅助信息包含的不同内容的角度，对本公开的一些实施例进行具体说明如下。
一、所述链路恢复辅助信息为主服务小区无线链路失败事件
在此种情况下，终端可以采用以下两种方式进行主服务小区无线链路失败事件的指示。
方式一、借助随机接入的消息一(Msg1)
在此种方式下，步骤201的具体实现过程为：
发送第一前导码给所述辅基站；
需要说明的是，所述第一前导码为用于本实施例的专用前导码，该第一前导码指示所述主服务小区无线链路失败事件。
进一步地，该第一前导码可以由协议约定，或该第一前导码可以由网络设备配置，具体地，该网络设备可以为辅基站，也可以为主基站，即，该第一前导码可以由主基站为终端配置，也可以由辅基站为终端配置。
在此种情况下，当辅基站接收到该第一前导码时，辅基站可以确定终端正在进行快速链路恢复，此时，辅基站便可以作出相应的反馈，例如，对终端进行快速重配置，或者RRC连接重建，或者RRC连接恢复，恢复终端与主基站之间的无线链路。
方式二、借助随机接入的消息三(Msg3)
在此种方式下，步骤201的具体实现过程为：
发送第一媒体接入控制层控制单元(MAC CE)给辅基站。
需要说明的是，该第一MAC CE为新增的一种用于本实施例的MAC CE，该第一MAC CE用于指示所述主服务小区无线链路失败事件，因第一MAC CE为新增的，所以需要新增一个逻辑信道标识信息(即第一逻辑信道标识信息)标识该第一MAC CE，即所述第一MAC CE通过第一逻辑信道标识信息进行标识。
需要说明的是，在非竞争的随机接入过程中，终端只能采用方式一进行主服务小区无线链路失败事件的指示；在竞争的随机接入过程中，终端可以只采用方式一进行主服务小区无线链路失败事件的指示，也可以只采用方式二进行主服务小区无线链路失败事件的指示，或者终端可以同时采用方式一和方式二进行主服务小区无线链路失败事件的指示。
二、所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息
在此种方式下，步骤201的具体实现过程为：
发送第二MAC CE给辅基站；
需要说明的是，该第二MAC CE为新增的一种用于本实施例的MAC CE，该第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息；因第二MAC CE为新增的，所以需要新增一个或者扩展相关技术中的逻辑信道标识信息(即第二逻辑信道标识信息)标识该第二MAC CE，即所述第二MAC CE通过第二逻辑信道标识信息进行标识。
可选地，在此种情况下，当终端与MN发生无线链路失败，该第二MAC CE还可以用于指示主服务小区无线链路失败事件。此处第二MAC CE用于主服务小区无线链路失败事件的隐式指示，即当辅基站收到该第二MAC CE时，便可知道终端与MN发生了无线链路失败。
具体地，所述失败链路所在的主小区群组中至少一个小区的测量结果信息，在所述第二MAC CE中的体现形式包括以下方式中的一种：
A11、依据小区的测量结果排序的小区标识信息的列表；
A12、小区的测量结果是否高于或者低于第一预设门限值的比特地图(bitmap)信息；
例如，当bitmap指示1代表对应位的小区的测量结果高于第一预设门限值，否则，代表对应位的小区的测量结果不高于第一预设门限值。需要说明的是，该第一预设门限值由协议约定、网络设备配置或终端定义。
A13、至少一个小区的测量结果信息；
例如，该测量结果信息可以为参考信号接收功率(RSRP)和/或参考信号接收质量(RSRQ)。
A14、小区的测量结果高于第二预设门限值的小区的标识信息；
需要说明的是，该第二预设门限值由协议约定、网络设备配置或终端定义。
需要说明的是，上述所提到的第二MAC CE与第一MAC CE，可以相同，也可以不同。
下面对本公开的一些实施例的几种常用方式进行举例说明如下。
情况一、终端与MN发生链路失败，并且没有与SN发生链路失败时，在随机接入过程中，在Msg1中通过第一前导码指示主服务小区无线链路失败事件；
情况二、终端与MN发生链路失败，并且没有与SN发生链路失败时，在随机接入过程中，在Msg1中通过第一前导码指示主服务小区无线链路失败事件，通过Msg3中的第二MAC CE携带失败链路所在的主小区群组中至少一个小区的测量结果信息；
情况三、终端与MN发生链路失败，并且没有与SN发生链路失败时，在随机接入过程中，通过Msg3中的第一MAC CE指示主服务小区无线链路失败事件；
情况四、终端与MN发生链路失败，并且没有与SN发生链路失败时，在随机接入过程中，通过Msg3中的第一MAC CE指示主服务小区无线链路失败事件，通过Msg3中的第二MAC CE携带失败链路所在的主小区群组中至少一个小区的测量结果信息；
情况五、终端与MN发生链路失败，并且没有与SN发生链路失败时， 在随机接入过程中，通过Msg3中的第二MAC CE携带失败链路所在的主小区群组中至少一个小区的测量结果信息，此时，第二MAC CE可用于隐式指示主服务小区无线链路失败事件。
需要说明的是，本公开的一些实施例可以应用于4G以及后续演进系统中。
本公开的一些实施例，终端通过发送链路恢复辅助信息给辅基站，在与MN发生无线链路失败时，辅助网络侧尽可能快速的完成链路的恢复，以此可以保证网络通信的及时性。
具体地，如图3所示，图3根据本公开的一些实施例的信息接收方法的流程示意图，所述信息接收方法，应用于辅基站，包括：
步骤301，接收终端发送的链路恢复辅助信息；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
可选地，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述接收终端发送的链路恢复辅助信息，包括：
接收终端发送的第一前导码，所述第一前导码指示所述主服务小区无线链路失败事件；或者
接收终端发送的第一媒体接入控制层控制单元MAC CE，第一MAC CE用于指示所述主服务小区无线链路失败事件。
进一步地，若主基站未为终端配置第一前导码，在所述接收终端发送的第一前导码之前，还包括：
为终端配置所述第一前导码。
具体地，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
可选地，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述接收终端发送的链路恢复辅助信息，包括：
接收终端发送的第二MAC CE；
其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
进一步地，所述第二MAC CE对应第二逻辑信道标识信息。
进一步地，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
进一步地，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
需要说明的是，上述实施例中所有关于辅基站的描述均适用于该信息接收方法的实施例中，也能达到与之相同的技术效果。
如图4所示，本公开的一些实施例提供一种终端400，包括：
发送模块401，用于发送链路恢复辅助信息给辅基站；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
可选地，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述发送模块401，用于：
发送第一前导码给所述辅基站，所述第一前导码指示所述主服务小区无线链路失败事件；或者
发送第一媒体接入控制层控制单元MAC CE给辅基站，第一MAC CE用于指示所述主服务小区无线链路失败事件。
具体地，所述第一前导码由协议约定或网络设备配置。
具体地，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
可选地，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述发送模块401，用于：
发送第二MAC CE给辅基站；
其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息；
具体地，所述第二MAC CE对应第二逻辑信道标识信息。
进一步地，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
具体地，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区 标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
具体地，所述第一预设门限值由协议约定、网络设备配置或终端定义；所述第二预设门限值由协议约定、网络设备配置或终端定义。
需要说明的是，该终端实施例是与上述应用于终端的信息发送方法相对应的终端，上述实施例的所有实现方式均适用于该终端实施例中，也能达到与其相同的技术效果。
图5为实现本公开的一些实施例的一种终端的硬件结构示意图。
该终端50包括但不限于：射频单元510、网络模块520、音频输出单元530、输入单元540、传感器550、显示单元560、用户输入单元570、接口单元580、存储器590、处理器511、以及电源512等部件。本领域技术人员可以理解，图5中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开的一些实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
其中，射频单元510用于发送链路恢复辅助信息给辅基站；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
本公开的一些实施例的终端通过发送链路恢复辅助信息给辅基站，在与MN发生无线链路失败时，辅助网络侧尽可能快速的完成链路的恢复，保证了网络通信的及时性。
应理解的是，本公开的一些实施例中，射频单元510可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自网络设备的下行数据接收后，给处理器511处理；另外，将上行的数据发送给网络设备。通常，射频单元510包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元510还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块520为用户提供了无线的宽带互联网访问，如帮助用 户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元530可以将射频单元510或网络模块520接收的或者在存储器590中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元530还可以提供与终端50执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元530包括扬声器、蜂鸣器以及受话器等。
输入单元540用于接收音频或视频信号。输入单元540可以包括图形处理器(Graphics Processing Unit，GPU)541和麦克风542，图形处理器541对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元560上。经图形处理器541处理后的图像帧可以存储在存储器590(或其它存储介质)中或者经由射频单元510或网络模块520进行发送。麦克风542可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元510发送到移动通信网络设备的格式输出。
终端50还包括至少一种传感器550，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板561的亮度，接近传感器可在终端50移动到耳边时，关闭显示面板561和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器550还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元560用于显示由用户输入的信息或提供给用户的信息。显示单元560可包括显示面板561，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode，OLED)等形式来配置显示面板561。
用户输入单元570可用于接收输入的数字或字符信息，以及产生与终端 的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元570包括触控面板571以及其他输入设备572。触控面板571，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板571上或在触控面板571附近的操作)。触控面板571可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器511，接收处理器511发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板571。除了触控面板571，用户输入单元570还可以包括其他输入设备572。具体地，其他输入设备572可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板571可覆盖在显示面板561上，当触控面板571检测到在其上或附近的触摸操作后，传送给处理器511以确定触摸事件的类型，随后处理器511根据触摸事件的类型在显示面板561上提供相应的视觉输出。虽然在图5中，触控面板571与显示面板561是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板571与显示面板561集成而实现终端的输入和输出功能，具体此处不做限定。
接口单元580为外部装置与终端50连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元580可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端50内的一个或多个元件或者可以用于在终端50和外部装置之间传输数据。
存储器590可用于存储软件程序以及各种数据。存储器590可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器590可以包括高速随机存取存储器，还可以包括非易失性存储器，例 如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器511是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器590内的软件程序和/或模块，以及调用存储在存储器590内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器511可包括一个或多个处理单元；可选的，处理器511可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器511中。
终端50还可以包括给各个部件供电的电源512(比如电池)，可选的，电源512可以通过电源管理系统与处理器511逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端50包括一些未示出的功能模块，在此不再赘述。
可选的，本公开的一些实施例还提供一种终端，包括处理器511，存储器590，存储在存储器590上并可在所述处理器511上运行的计算机程序，该计算机程序被处理器511执行时实现应用于终端侧的信息发送方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现应用于终端侧的信息发送方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
如图6所示，本公开的一些实施例还提供一种辅基站600，包括：
接收模块601，用于接收终端发送的链路恢复辅助信息；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
可选地，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述接收模块601，用于：
接收终端发送的第一前导码，所述第一前导码指示所述主服务小区无线 链路失败事件；或者
接收终端发送的第一媒体接入控制层控制单元MAC CE，第一MAC CE用于指示所述主服务小区无线链路失败事件。
进一步地，在所述接收模块601接收终端发送的第一前导码之前，所述辅基站600，还包括：
配置模块，用于为终端配置所述第一前导码。
具体地，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
可选地，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述接收模块601，用于：
接收终端发送的第二MAC CE；
其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
具体地，所述第二MAC CE对应第二逻辑信道标识信息。
进一步地，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
具体地，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
需要说明的是，该辅基站实施例是与上述的应用于辅基站的信息接收方法相对应的辅基站，上述实施例的所有实现方式均适用于该辅基站实施例中，也能达到与其相同的技术效果。
本公开的一些实施例还提供一种辅基站，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述的信息接收方法实施例中的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现上述的信息接收方法实施例中的各个过程，且能达到相同的技术效果，为避 免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
图7是本公开一实施例的辅基站的结构图，能够实现上述的信息接收方法的细节，并达到相同的效果。如图7所示，网络设备700包括：处理器701、收发机702、存储器703和总线接口，其中：
处理器701，用于读取存储器703中的程序，执行下列过程：
通过收发机702接收终端发送的链路恢复辅助信息；
其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
在图7中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器701代表的一个或多个处理器和存储器703代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机702可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。
处理器701负责管理总线架构和通常的处理，存储器703可以存储处理器701在执行操作时所使用的数据。
可选地，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，处理器701，用于读取存储器703中的程序，执行下列过程：
接收终端发送的第一前导码，所述第一前导码指示所述主服务小区无线链路失败事件；或者
接收终端发送的第一媒体接入控制层控制单元MAC CE，第一MAC CE用于指示所述主服务小区无线链路失败事件。
可选地，处理器701，用于读取存储器703中的程序，还执行下列过程：
为终端配置所述第一前导码。
具体地，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
可选地，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，处理器701，用于读取存储器703中的程序， 执行下列过程：
接收终端发送的第二MAC CE；
其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
具体地，所述第二MAC CE对应第二逻辑信道标识信息。
可选地，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
可选地，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
其中，辅基站可以是全球移动通讯(Global System of Mobile communication，GSM)或码分多址(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)中的基站(NodeB，NB)，还可以是LTE中的演进型基站(Evolutional Node B，简称eNB或eNodeB)，或者中继站或接入点，或者未来5G网络中的基站等，在此并不限定。
以上所述的是本公开的可选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (28)

  1. 一种信息发送方法，应用于终端，包括：
    发送链路恢复辅助信息给辅基站；
    其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
  2. 根据权利要求1所述的信息发送方法，其中，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述发送链路恢复辅助信息给辅基站，包括：
    发送第一前导码给所述辅基站，所述第一前导码指示所述主服务小区无线链路失败事件；或者
    发送第一媒体接入控制层控制单元MAC CE给辅基站，第一MAC CE用于指示所述主服务小区无线链路失败事件。
  3. 根据权利要求2所述的信息发送方法，其中，所述第一前导码由协议约定或网络设备配置。
  4. 根据权利要求2所述的信息发送方法，其中，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
  5. 根据权利要求1所述的信息发送方法，其中，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述发送链路恢复辅助信息给辅基站，包括：
    发送第二MAC CE给辅基站；
    其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
  6. 根据权利要求5所述的信息发送方法，其中，所述第二MAC CE通过第二逻辑信道标识信息进行标识。
  7. 根据权利要求5所述的信息发送方法，其中，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
  8. 根据权利要求5所述的信息发送方法，其中，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式 包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
  9. 根据权利要求8所述的信息发送方法，其中，所述第一预设门限值由协议约定、网络设备配置或终端定义；所述第二预设门限值由协议约定、网络设备配置或终端定义。
  10. 一种信息接收方法，应用于辅基站，包括：
    接收终端发送的链路恢复辅助信息；
    其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
  11. 根据权利要求10所述的信息接收方法，其中，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述接收终端发送的链路恢复辅助信息，包括：
    接收终端发送的第一前导码，所述第一前导码指示所述主服务小区无线链路失败事件；或者
    接收终端发送的第一媒体接入控制层控制单元MAC CE，第一MAC CE用于指示所述主服务小区无线链路失败事件。
  12. 根据权利要求11所述的信息接收方法，其中，在所述接收终端发送的第一前导码之前，还包括：
    为终端配置所述第一前导码。
  13. 根据权利要求11所述的信息接收方法，其中，所述第一MAC CE通过第一逻辑信道标识信息进行标识。
  14. 根据权利要求10所述的信息接收方法，其中，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述接收终端发送的链路恢复辅助信息，包括：
    接收终端发送的第二MAC CE；
    其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
  15. 根据权利要求14所述的信息接收方法，其中，所述第二MAC CE 通过第二逻辑信道标识信息进行标识。
  16. 根据权利要求14所述的信息接收方法，其中，所述第二MAC CE还用于指示主服务小区无线链路失败事件。
  17. 根据权利要求14所述的信息接收方法，其中，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
  18. 一种终端，包括：
    发送模块，用于发送链路恢复辅助信息给辅基站；
    其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
  19. 根据权利要求18所述的终端，其中，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述发送模块，用于：
    发送第一前导码给所述辅基站，所述第一前导码指示所述主服务小区无线链路失败事件；或者
    发送第一媒体接入控制层控制单元MAC CE给辅基站，第一MAC CE用于指示所述主服务小区无线链路失败事件。
  20. 根据权利要求19所述的终端，其中，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述发送模块，用于：
    发送第二MAC CE给辅基站；
    其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
  21. 根据权利要求20所述的终端，其中，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
  22. 一种终端，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至9中任一项所述的信息发送方法的步骤。
  23. 一种辅基站，包括：
    接收模块，用于接收终端发送的链路恢复辅助信息；
    其中，所述链路恢复辅助信息包括：主服务小区无线链路失败事件和/或失败链路所在的主小区群组中至少一个小区的测量结果信息。
  24. 根据权利要求23所述的辅基站，其中，在所述链路恢复辅助信息为主服务小区无线链路失败事件时，所述接收模块，用于：
    接收终端发送的第一前导码，所述第一前导码指示所述主服务小区无线链路失败事件；或者
    接收终端发送的第一媒体接入控制层控制单元MAC CE，第一MAC CE用于指示所述主服务小区无线链路失败事件。
  25. 根据权利要求23所述的辅基站，其中，在所述链路恢复辅助信息为失败链路所在的主小区群组中至少一个小区的测量结果信息时，所述接收模块，用于：
    接收终端发送的第二MAC CE；
    其中，所述第二MAC CE中携带失败链路所在的主小区群组中至少一个小区的测量结果信息。
  26. 根据权利要求25所述的辅基站，其中，所述失败链路所在的主小区群组中至少一个小区的测量结果信息在所述第二MAC CE中的体现形式包括：依据小区的测量结果排序的小区标识信息的列表、小区的测量结果是否高于或者低于第一预设门限值的比特地图信息、至少一个小区的测量结果信息或小区的测量结果高于第二预设门限值的小区的标识信息。
  27. 一种辅基站，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求10至17中任一项所述的信息接收方法的步骤。
  28. 一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至9中任一项所 述的信息发送方法的步骤或如权利要求10至17中任一项所述的信息接收方法的步骤。
PCT/CN2019/105615 2018-10-11 2019-09-12 信息发送方法、接收方法、终端及辅基站 Ceased WO2020073769A1 (zh)

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