CN112491454A - Communication recovery method, device, terminal equipment and storage medium - Google Patents
Communication recovery method, device, terminal equipment and storage medium Download PDFInfo
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- CN112491454A CN112491454A CN202011364016.2A CN202011364016A CN112491454A CN 112491454 A CN112491454 A CN 112491454A CN 202011364016 A CN202011364016 A CN 202011364016A CN 112491454 A CN112491454 A CN 112491454A
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- 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
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- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention discloses a communication recovery method, a communication recovery device, terminal equipment and a storage medium, wherein the ratio of useful signal intensity and useless signal intensity of a reference signal is recovered through measuring beam failure, and the useless signal comprises interference and/or noise signals; determining at least one beam failure instance based on the ratio; detecting the physical layer reference signal receiving power of the wave beam, and determining an alternative wave beam; and determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams. The scheme of the embodiment of the invention can reduce the processing time delay required by the beam failure recovery and improve the communication efficiency.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a communication recovery method, apparatus, terminal device, and storage medium.
Background
With the continuous advance and development of 5G network technology, 5G has already entered into people's lives, bringing brand New experiences to people, New Radio (NR) is defined in 5G, and due to the reason that 5G uses high-frequency Radio resources, the whole air interface wireless design is based on beams, and all uplink and downlink channels are transmitted and received based on beams, so beam management is a very important technology in 5G. If both the base station and the terminal use beams, a mechanism for aligning the beams at both ends is required, otherwise, communication cannot be performed, and the mechanism is called beam management (beam management) in the protocol. Beam recovery (beam recovery) is a function of beam management, when a base station beam and a terminal beam which are originally aligned with each other are blocked by an obstacle (such as a human body and a vehicle), a pair of new beams need to be searched again, and the beams can be aligned with each other on a certain reflection path, so that the communication can be continued. In the course of research and practice on the prior art, the inventors of the present invention found that the processing delay required for the beam recovery function is long, so that the communication efficiency is greatly reduced.
Disclosure of Invention
Embodiments of the present invention provide a communication recovery method and apparatus, a terminal device, and a storage medium, which determine alternative beams from a beam candidate set while detecting a beam failure instance, thereby reducing processing delay required for beam failure recovery and improving communication efficiency.
The embodiment of the invention provides a communication recovery method, which comprises the following steps:
measuring a ratio of a wanted signal strength to a unwanted signal strength of a beam failure recovery reference signal, the unwanted signal comprising an interference and/or noise signal;
determining at least one beam failure instance according to the ratio;
detecting the physical layer reference signal receiving power of the wave beam, and determining an alternative wave beam;
and determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams.
Optionally, in some embodiments of the present invention, the determining at least one beam failure instance according to the ratio includes:
and if the ratio is lower than a preset configuration value, determining to generate at least one beam failure example.
Optionally, in some embodiments of the present invention, the detecting the physical layer reference signal received power of the beam and determining the alternative beam includes:
detecting the physical layer reference signal received power of a beam;
identifying the wave beam of which the physical layer reference signal received power is greater than a preset power threshold value to form a wave beam candidate set;
determining the alternative beam from the beam candidate set.
Optionally, in some embodiments of the present invention, the determining the alternative beam according to the beam candidate set includes:
arranging the beams included in the beam candidate set according to the magnitude order of the physical layer reference signal received power;
determining the beam with the maximum physical layer reference signal received power included in the beam candidate set as the candidate beam.
Optionally, in some embodiments of the present invention, the determining that the number of the beam failure instances is greater than or equal to a preset number threshold within a preset time includes:
continuously detecting the beam failure instance within the preset time;
and if the number of the beam failure examples is larger than or equal to a preset number threshold, recovering the communication by using the alternative beams.
Optionally, in some embodiments of the present invention, the method further includes:
and if the number of the beam failure examples is smaller than the number threshold value after the preset time, discarding the alternative beams.
Optionally, in some embodiments of the present invention, after determining at least one beam failure instance according to the ratio, the method further includes:
starting a timer and setting the preset time;
if the number of the beam failure instances is smaller than the number threshold value after the preset time is exceeded, after the alternative beam is discarded, the method further includes:
the timer is reset.
Correspondingly, an embodiment of the present invention further provides a communication recovery apparatus, including:
a measuring unit for measuring a ratio of a desired signal strength to a undesired signal strength of a beam failure recovery reference signal, the undesired signal comprising an interference and/or noise signal;
a determining unit for determining at least one beam failure instance according to the ratio;
the detection unit is used for detecting the physical layer reference signal receiving power of the beam and determining an alternative beam;
and the recovery unit is used for determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams.
Optionally, in some embodiments of the present invention, the determining unit is further configured to determine that at least one of the beam failure instances is generated if the ratio is lower than a preset configuration value.
Optionally, in some embodiments of the present invention, the detecting unit is further configured to detect the physical layer reference signal received power of a beam;
identifying the wave beam of which the physical layer reference signal received power is greater than a preset power threshold value to form a wave beam candidate set;
determining the alternative beam from the beam candidate set.
Optionally, in some embodiments of the present invention, the detecting unit is further configured to arrange the beams included in the beam candidate set in order of magnitude of the physical layer reference signal received power;
determining the beam with the maximum physical layer reference signal received power included in the beam candidate set as the candidate beam.
Optionally, in some embodiments of the present invention, the recovery unit is further configured to continuously detect the beam failure instance within the preset time;
and if the number of the beam failure examples is larger than or equal to a preset number threshold, recovering the communication by using the alternative beams.
Optionally, in some embodiments of the present invention, the communication recovery apparatus is further configured to discard the alternative beam if it is determined that the number of the beam failure instances exceeds the preset time and is smaller than the number threshold.
Optionally, in some embodiments of the present invention, the determining unit is further configured to start a timer, and set the preset time;
the communication recovery apparatus is further configured to reset a timer.
Similarly, an embodiment of the present invention further provides a terminal device, including:
a memory for storing a computer program;
a processor for implementing the steps of any one of the communication recovery methods when executing the computer program.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of any one of the communication recovery methods.
The embodiment of the invention provides a communication recovery method, a device, a terminal device and a storage medium, wherein the terminal device measures the ratio of useful signal intensity and useless signal intensity of a beam failure recovery reference signal, when the ratio of the useful signal intensity and the useless signal intensity is detected to be lower than a preset configuration value, at least one beam failure example is determined to be generated, next, the physical layer reference signal receiving power of a beam is started to be detected, an alternative beam is determined, the terminal device continuously detects the beam failure examples within a preset time while determining the alternative beam, and when the number of the detected beam failure examples is larger than or equal to a preset number threshold value, the alternative beam is used for recovering communication. As can be seen from the foregoing technical solutions, in the method provided in the embodiments of the present invention, when at least one beam failure instance is detected, the candidate beam is determined, instead of determining the candidate beam until the number of the beam failure instances reaches the number threshold, the processing delay required for beam failure recovery is reduced, and the communication efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a scenario of a communication recovery method according to an embodiment of the present invention;
fig. 2 is a flowchart of a communication recovery method provided by an embodiment of the present invention;
fig. 3 is another flowchart of a communication recovery method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a communication recovery apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a communication recovery method, a communication recovery device, terminal equipment and a storage medium. The device can be integrated in a terminal, and the terminal can be a mobile phone, a tablet computer, a notebook computer and other equipment.
The communication recovery method provided by the embodiment of the invention relates to an Open System Interconnection Reference Model (OSI), which divides a computer network architecture (architecture) into the following seven layers: a physical layer, a data link layer, a network layer, a transport layer, a session layer, a presentation layer, and an application layer.
Referring to fig. 1, fig. 1 is a scene schematic diagram of a communication recovery method according to an embodiment of the present invention. The terminal device measures the ratio of useful signal strength and useless signal strength of a beam failure recovery reference signal, wherein the useless signal comprises interference and/or noise signals, when the ratio of the useful signal strength and the useless signal strength is lower than a preset configuration value, the generation of a beam failure example is determined, then, the terminal device sends the beam failure example to a medium access control layer included in a data link layer, the terminal device starts a timer and sets a preset time, then, the medium access control layer sends an instruction of measuring a beam candidate set to a physical layer, the physical layer starts to detect the physical layer reference signal receiving power of the beam, the beam of which the physical layer reference signal receiving power is larger than a preset power threshold value is determined to be used as the candidate beam set and sends the candidate beam set to the medium access control layer, and then, the medium access control layer determines an alternative beam from the candidate beam set, when the alternative wave beam is determined, the terminal device continuously detects wave beam failure examples within preset time, and sends the detected wave beam failure examples to the medium access control layer, when the number of the wave beam failure examples received by the medium access control layer is larger than or equal to a preset number threshold value within the preset time, the communication is determined to be blocked due to the wave beam failure examples, the communication is recovered by using the alternative wave beam, when the preset time is exceeded, the number of the wave beam failure examples received by the medium access control layer is smaller than the number threshold value, the communication is determined not to be blocked due to the wave beam failure, and the alternative wave beam is discarded.
The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
The present embodiment will be described from the perspective of a communication recovery apparatus, which may be specifically integrated in a terminal device, where the terminal device may include a laptop, a tablet computer, a smart phone, a smart watch, and the like.
As shown in fig. 2, the specific flow of the communication recovery method is as follows:
For example, after obtaining the ratio of the useful signal strength to the useless signal strength of the beam failure recovery reference signal, the terminal device compares the ratio with a preset configuration value, determines to generate at least one beam failure instance if the ratio is determined to be lower than the preset configuration value, and otherwise, continuously detects the ratio of the useful signal strength to the useless signal strength of the beam failure recovery reference signal.
For example, the terminal device sends a beam failure instance to a medium access control layer included in a data link layer, and the terminal device starts a timer, sets a preset time, the medium access control layer sends an instruction for measuring a beam candidate set to a physical layer, the physical layer starts to detect a physical layer reference signal received power of a beam, determines a beam with the physical layer reference signal received power greater than a preset power threshold as a candidate beam set, and sends the candidate beam set to the medium access control layer, and the medium access control layer determines an alternative beam from the candidate beam set.
Optionally, the medium access control layer arranges the beams included in the beam candidate set according to the magnitude order of the physical layer reference signal received power, and determines the beam with the largest physical layer reference signal received power included in the beam candidate set as the candidate beam.
And 204, determining that the number of the beam failure instances is greater than or equal to a preset number threshold value within the preset time, and recovering the communication by using the alternative beams.
For example, a threshold of the number of beam failure instances that may cause blocking of communication is preset, it is determined according to a timer that within a preset time, the terminal device continuously detects the beam failure instances, and sends the detected beam failure instances to the medium access control layer, when the number of beam failure instances received by the medium access control layer is greater than or equal to the preset threshold of the number, it is determined that communication is blocked due to the beam failure instances, and communication is recovered using the alternative beam.
Optionally, after it is determined by the timer that the preset time is exceeded, if the number of beam failure instances received by the medium access control layer is smaller than the number threshold, it is determined that communication is not blocked due to beam failure, the alternative beam is discarded, and the timer is reset.
Optionally, a counter is preset, the mac layer records the number of received beam failure instances using the counter, and resets the counter when communication is resumed using the alternative beam or after the timer is reset.
Referring to fig. 3, fig. 3 is another flowchart of a communication recovery method according to an embodiment of the present invention. The terminal device detects a first beam failure example, sends the beam failure example to a medium access control layer, and starts a timer, and increases a counter for recording the number of the beam failure examples by 1, the medium access control layer sends an instruction for measuring a beam candidate set to a physical layer, the physical layer starts to detect the candidate beam set and sends the candidate beam set to the medium access control layer, then the medium access control layer determines an alternative beam from the candidate beam set, the terminal device continuously detects the beam failure example within a preset time while determining the alternative beam, and sends the detected beam failure example to the medium access control layer, when the number of the beam failure examples received by the medium access control layer is greater than or equal to a preset number threshold within the preset time, the terminal device determines to recover communication by using the alternative beam, and when the preset time is exceeded, and if the number of the beam failure examples received by the medium access control layer is less than the number threshold, discarding the alternative beam and resetting the timer and the counter.
As can be seen from the above, the communication recovery method provided in the embodiment of the present invention may recover communication by measuring a ratio of useful signal strength to useless signal strength of a beam failure recovery reference signal, when the ratio of the useful signal strength to the useless signal strength is detected to be lower than a preset configuration value, determining that at least one beam failure instance is generated, then starting to detect the physical layer reference signal received power of the beam, determining an alternative beam, while determining the alternative beam, a terminal device continuously detects the beam failure instance within a preset time, and when the number of detected beam failure instances is greater than or equal to a preset number threshold, recovering communication by using the alternative beam. Therefore, the method provided by the embodiment of the invention starts to determine the alternative beam when at least one beam failure example is detected, instead of starting to determine the alternative beam when the number of the beam failure examples reaches the number threshold, so that the processing time delay required by the beam failure recovery is reduced, and the communication efficiency is improved.
In order to better implement the above method, an embodiment of the present application further provides a communication recovery apparatus, as shown in fig. 4, the communication recovery apparatus includes a measurement unit 401, a determination unit 402, a detection unit 403, and a recovery unit 404, as follows:
(1) a measuring unit 401, configured to measure a ratio of a useful signal strength to a useless signal strength of the beam failure recovery reference signal, where the useless signal includes an interference and/or noise signal.
(2) A determining unit 402 for determining at least one beam failure instance according to the ratio.
(3) A detecting unit 403, configured to detect a physical layer reference signal received power of a beam and determine an alternative beam.
(4) A recovering unit 404, configured to determine that the number of beam failure instances is greater than or equal to a preset number threshold within a preset time, and recover communication using the alternative beam.
Optionally, in some embodiments of the present invention, the determining unit 402 is further configured to determine that at least one of the beam failure instances is generated if the ratio is lower than a preset configuration value.
Optionally, in some embodiments of the present invention, the detecting unit 403 is further configured to detect the physical layer reference signal received power of a beam;
identifying the wave beam of which the physical layer reference signal received power is greater than a preset power threshold value to form a wave beam candidate set;
determining the alternative beam from the beam candidate set.
Optionally, in some embodiments of the present invention, the detecting unit 403 is further configured to arrange the beams included in the beam candidate set in order of magnitude of the physical layer reference signal received power;
and determining the beam with the maximum physical layer reference signal received power included in the beam candidate set as the alternative beam.
Optionally, in some embodiments of the present invention, the recovery unit 404 is further configured to continuously detect the beam failure instance within a preset time;
and if the number of the beam failure examples is larger than or equal to the preset number threshold, recovering the communication by using the alternative beams.
Optionally, in some embodiments of the present invention, the communication recovery apparatus is further configured to discard the alternative beam if the number of beam failure instances is smaller than the number threshold after the preset time is exceeded.
Optionally, in some embodiments of the present invention, the determining unit 402 is further configured to start a timer, and set a preset time;
the communication recovery means is also arranged to reset the timer.
As can be seen from the above description, in the embodiment of the present invention, the measurement unit 401 may measure the ratio of the useful signal strength to the unwanted signal strength of the beam failure recovery reference signal, where the unwanted signal includes interference and/or noise signals, then the determination unit 402 determines at least one beam failure instance according to the ratio, then the detection unit 403 detects the physical layer reference signal received power of the beam, determines an alternative beam, and finally the recovery unit 404 determines that the number of beam failure instances is greater than or equal to the preset number threshold within the preset time, and recovers communication by using the alternative beam, as can be seen from the above technical solution, since the apparatus provided in the embodiment of the present invention starts to determine the alternative beam when detecting at least one beam failure instance, rather than starting to determine the alternative beam until the number of beam failure instances reaches the number threshold, therefore, processing time delay required by beam failure recovery is reduced, and communication efficiency is improved.
Accordingly, an embodiment of the present invention further provides a terminal, as shown in fig. 5, the terminal may include a Radio Frequency (RF) circuit 501, a memory 502 including one or more computer-readable storage media, an input unit 503, a display unit 504, a sensor 505, an audio circuit 506, a Wireless Fidelity (WiFi) module 507, a processor 508 including one or more processing cores, and a power supply 509. Those skilled in the art will appreciate that the terminal structure shown in fig. 5 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 501 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, for receiving downlink information of a base station and then sending the received downlink information to the one or more processors 508 for processing; in addition, data relating to uplink is transmitted to the base station. In general, RF circuit 501 includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
The memory 502 may be used to store software programs and modules, and the processor 508 executes various functional applications and data processing by operating the software programs and modules stored in the memory 502. The memory 502 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal, etc. Further, the memory 502 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 502 may also include a memory controller to provide the processor 508 and the input unit 503 access to the memory 502.
The input unit 503 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in one particular embodiment, the input unit 503 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 508, and can receive and execute commands sent by the processor 508.
The display unit 504 may be used to display information input by or provided to the user and various graphical user interfaces of the terminal, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 504 may include a Display panel, and optionally, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The terminal may also include at least one sensor 505, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that may turn off the display panel and/or the backlight when the terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 507, and provides wireless broadband internet access for the user. Although fig. 5 shows the WiFi module 507, it is understood that it does not belong to the essential constitution of the terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 508 is a control center of the terminal, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 502 and calling data stored in the memory 502, thereby integrally monitoring the mobile phone.
The terminal also includes a power supply 509 (e.g., a battery) for powering the various components, which may preferably be logically connected to the processor 508 via a power management system that may be used to manage charging, discharging, and power consumption. The power supply 509 may also include any component such as one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the terminal may further include a camera, a bluetooth module, and the like, which will not be described herein. Specifically, in this embodiment, the processor 508 in the terminal loads the executable file corresponding to the process of one or more application programs into the memory 502 according to the following instructions, and the processor 508 runs the application programs stored in the memory 502, thereby implementing various functions: measuring a ratio of a desired signal strength to a undesired signal strength of a beam failure recovery reference signal, the undesired signal comprising an interference and/or noise signal; determining at least one beam failure instance based on the ratio; detecting the physical layer reference signal receiving power of the wave beam, and determining an alternative wave beam; and determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The communication recovery method, the communication recovery device, the terminal device and the storage medium provided by the embodiments of the present invention are described in detail above, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for recovering communication, comprising:
measuring a ratio of a wanted signal strength to a unwanted signal strength of a beam failure recovery reference signal, the unwanted signal comprising an interference and/or noise signal;
determining at least one beam failure instance according to the ratio;
detecting the physical layer reference signal receiving power of the wave beam, and determining an alternative wave beam;
and determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams.
2. The method of claim 1, wherein the determining at least one instance of beam failure based on the ratio comprises:
and if the ratio is lower than a preset configuration value, determining to generate at least one beam failure example.
3. The method of claim 1, wherein determining the alternative beam for the physical layer reference signal received power of the detection beam comprises:
detecting the physical layer reference signal received power of a beam;
identifying the wave beam of which the physical layer reference signal received power is greater than a preset power threshold value to form a wave beam candidate set;
determining the alternative beam from the beam candidate set.
4. The method of claim 3, wherein the determining the alternative beam from the candidate set of beams comprises:
arranging the beams included in the beam candidate set according to the magnitude order of the physical layer reference signal received power;
determining the beam with the maximum physical layer reference signal received power included in the beam candidate set as the candidate beam.
5. The method of claim 1, wherein the determining that the number of beam failure instances is greater than or equal to a preset number threshold within a preset time, and the recovering communication using the alternative beam comprises:
continuously detecting the beam failure instance within the preset time;
and if the number of the beam failure examples is larger than or equal to a preset number threshold, recovering the communication by using the alternative beams.
6. The method of claim 1, further comprising:
and if the number of the beam failure examples is smaller than the number threshold value after the preset time, discarding the alternative beams.
7. The method of claim 6, wherein after determining at least one instance of beam failure based on the ratio, further comprising:
starting a timer and setting the preset time;
if the number of the beam failure instances is smaller than the number threshold value after the preset time is exceeded, after the alternative beam is discarded, the method further includes:
the timer is reset.
8. A communication recovery apparatus, comprising:
a measuring unit for measuring a ratio of a desired signal strength to a undesired signal strength of a beam failure recovery reference signal, the undesired signal comprising an interference and/or noise signal;
a determining unit for determining at least one beam failure instance according to the ratio;
the detection unit is used for detecting the physical layer reference signal receiving power of the beam and determining an alternative beam;
and the recovery unit is used for determining that the number of the beam failure examples is greater than or equal to a preset number threshold value within preset time, and recovering communication by using the alternative beams.
9. A terminal device, comprising:
a memory for storing a computer program;
a processor for implementing the steps in the communication recovery method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the communication restoration method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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