WO2024020731A1

WO2024020731A1 - Method and apparatus for determining timing information, computer device, medium and program product

Info

Publication number: WO2024020731A1
Application number: PCT/CN2022/107655
Authority: WO
Inventors: 丁宝国; 刘重军; 于吉涛; 张维; 向炜; 赖权
Original assignee: 京信网络系统股份有限公司
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2024-02-01

Abstract

The present application relates to a method and apparatus for determining timing information, a computer device, a medium and a program product. The method for determining timing information comprises: receiving a source signal sent by a source device; acquiring the signal type of the source signal, and determining a synchronization signal according to the source signal and the signal type; and determining timing information according to the synchronization signal. By using the method for determining timing information provided in the present application, the accuracy of the determined timing information can be improved.

Description

Timing information determination methods, devices, computer equipment, media and program products

Technical field

The present application relates to the field of mobile communication technology, and in particular to a timing information determination method, device, computer equipment, media and program products.

Background technique

As the demand for 4G and 5G mobile services continues to grow, operators have introduced digital room subsystems, such as repeater systems, for business-intensive places such as airports, train stations, and large venues. The digital room branch system has the advantages of simple deployment, low construction difficulty, flexible expansion, and convenient operation and maintenance, and can greatly increase network capacity.

In traditional technology, when the repeater system cannot obtain the GPS (Global Positioning System, Global Positioning System) signal, timing information is obtained by detecting the source signal envelope to control digital signal processing modules such as power amplifiers.

However, the timing information obtained by traditional techniques is less accurate.

Contents of the invention

Based on this, it is necessary to address the above technical problem of poor accuracy in obtaining timing information and provide a timing information determination method, device, computer equipment, media and program products that can improve the accuracy of obtaining timing information, which can be based on actual Determining timing information based on the situation can effectively improve the accuracy of obtaining timing information at a lower cost.

In a first aspect, embodiments of the present invention provide a method for determining timing information. The method for determining timing information includes:

Receive the source signal sent by the source device;

Obtain the signal type of the source signal, and determine the synchronization signal based on the source signal and signal type;

Determine timing information based on synchronization signals.

In the second aspect, an embodiment of the present application provides a timing information determination device. The timing information determination device includes:

The receiving module is used to receive the source signal sent by the source device;

The acquisition module is used to obtain the signal type of the source signal and determine the synchronization signal according to the source signal and signal type;

The determining module is used to determine timing information according to the synchronization signal.

In a third aspect, an embodiment of the present application provides a computer device, including a memory and a processor. The memory stores a computer program. When the processor executes the computer program, it implements the steps of the timing information determination method provided in the first aspect.

In a fourth aspect, one embodiment of the present application provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the timing information determination method provided in the above-mentioned first aspect are implemented.

In a fifth aspect, an embodiment of the present application further provides a computer program product, which includes a computer program. When the computer program is executed by a processor, the steps of the timing information determination method provided in the above-mentioned first aspect are implemented.

This application provides a timing information determination method, device, computer equipment, media and program products. The method receives the source signal sent by the source signal, obtains the signal type of the source signal, and determines the synchronization signal according to the source signal and the signal type. ; Determine timing information based on synchronization signals. When this application determines the synchronization signal, it is considered that the received source signals have different signal types and may suffer different interferences. For source signals of different signal types, different processing methods are used to determine the synchronization signal, which can improve the determined synchronization. signal accuracy, thereby improving the accuracy of the determined timing information. Moreover, the proposed timing information determination method does not require modification of the existing network deployment of the repeater system, and can reduce the network deployment cost of the repeater system.

Description of drawings

Figure 1 is a schematic structural diagram of a repeater system provided in one embodiment;

Figure 2 is a schematic flowchart of the steps of a method for determining timing information provided by an embodiment;

Figure 3 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 4 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 5 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 6 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 7 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 8 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 9 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 10 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 11 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 12 is a schematic diagram of an SSB multi-beam signal provided by an embodiment;

Figure 13 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 14 is a schematic flowchart of the steps of a method for determining timing information provided by another embodiment;

Figure 15 is a schematic structural diagram of a timing information determination device provided in an embodiment;

Figure 16 is a schematic structural diagram of a computer device according to an embodiment.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application and are not used to limit the present application.

The serial numbers assigned to components in this article, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. The terms "connection" and "connection" mentioned in this application include direct and indirect connections (connections) unless otherwise specified.

The timing information determination method provided by this application can be applied to repeater systems. The structure of the repeater system is shown in Figure 1. The repeater system includes multiple signal conversion units 200 and multiple remote units 300. The first signal conversion unit 200 of the multiple signal conversion units 200 is connected to the source device 100. connection, other signal conversion units 200 among the plurality of signal conversion units 200 are connected to the first signal conversion unit 200; one signal conversion unit 200 can be connected to multiple remote units 300 respectively, or can be connected to multiple remote units in series. 300. This embodiment does not limit the number of signal conversion units 200 and remote units 300, as well as the connection methods, as long as their functions can be realized.

The signal conversion unit 200 is used to convert the received source signal into a digital signal, and transmit the digital signal to the remote unit 300 connected thereto. The remote unit 300 is used to convert the digital signal into an analog signal, and convert the analog signal to Send to other terminals. If the signal received by the signal conversion unit 200 is a digital signal, the signal conversion unit 200 does not need to perform analog-to-digital conversion, but only needs to perform simple protocol conversion and other processing. The signal conversion unit 200 can receive multi-standard source signals such as NR/LTE through the source device 100, and the remote unit 300 can receive multi-standard source signals such as NR/LTE over the air interface through the antenna. Optionally, the signal conversion unit 200 is a digital-analog hybrid expansion unit. After receiving the source signal, the signal conversion unit 200 determines the timing information using the timing information determination method provided in this application, and sends the timing information to the remote unit 300 . The timing information is used to trigger other signal processing units in the signal conversion unit 200, as well as other signal processing units in the remote unit 300.

The software program corresponding to the timing information determination method provided by this application can be deployed on the signal conversion unit whose physical connection is closest to the source device, or on the remote unit whose physical connection is closest to the macro station, or on a specific on the control device. The control device may be a computer device, and the computer device may be but is not limited to a control chip, a personal computer device, a notebook computer, etc. The timing information determination method provided in this application can be implemented through JAVA software and can also be applied to other software.

In one embodiment, as shown in Figure 2, a method for determining timing information is provided. This embodiment is described using a computer device as the execution subject. The steps of the timing information determination method include:

Step 200: Receive the source signal sent by the source device.

The source device can send the source signal. Source devices may include macro stations, base stations or various terminal devices. The computer device receives the source signal sent by the source device. This embodiment does not limit the specific type and structure of the source device, as long as its function can be realized.

Step 210: Obtain the signal type of the source signal, and determine the synchronization signal according to the source signal and signal type.

The signal types of source signals sent by different source devices may be different. For example: the source signal sent by the base station is a digital signal; if the base station is equipped with a radio frequency module, the source signal sent by the base station is converted into a radio frequency signal (analog signal) by the radio frequency module; the source signal sent by the macro station through the antenna is analog signal. The signal type of the source signal may include a standard clock source signal, an analog signal, and a digital signal. Source signals of different signal types have different accuracy in determining the synchronization signal.

After acquiring the source signal, the computer device detects the signal type of the source signal and determines the synchronization signal based on the source signal and signal type. In other words, source signals of different signal types have different specific methods for determining different signals. The computer equipment selects different processing methods to process the source signal according to the signal type of the source signal to determine the synchronization signal. This embodiment does not limit the specific method of determining synchronization signals for source signals of different signal types, as long as the synchronization information can be accurately determined.

Step 220: Determine timing information according to the synchronization signal.

After the computer device obtains the synchronization signal, it can calculate and process the synchronization signal to obtain timing information. This embodiment does not limit the specific method of determining timing information based on synchronization information, as long as its function can be realized.

In an optional embodiment, the computer device can obtain timing information at a preset time by searching for synchronization signals in a preset time domain and frequency domain range. For example, the timing information of 10ms of the wireless frame can be obtained.

The timing information determination method provided by the embodiment of the present application receives the source signal sent by the source signal, obtains the signal type of the source signal, determines the synchronization signal according to the source signal and the signal type, and determines the timing information according to the synchronization signal. In this embodiment, when determining the synchronization signal, considering that the received source signals have different signal types, the interference may be different. For source signals of different signal types, different processing methods are used to determine the synchronization signal, which can improve The accuracy of the determined synchronization signal can thereby improve the accuracy of the determined timing information. Moreover, the timing information determination method provided by this embodiment does not require modification of the existing network deployment of the repeater system, and can reduce the network deployment cost of the repeater system.

In addition, the timing information determined using the timing information determination method provided by this application can accurately adjust the turn-on and turn-off times of radio frequency devices such as power amplifiers in the repeater system, thereby reducing the energy consumption of the entire repeater system.

In one embodiment, a possible implementation involving determining the synchronization signal according to the source signal and signal type includes:

If the signal type is a standard clock source signal, the synchronization signal is determined based on the source signal.

After receiving the source signal, the computer device determines through detection that the signal type of the source signal is a standard clock source signal. Standard clock source signals can be, but are not limited to, GPS (Global Positioning System) signals, Beidou signals, and 1588 synchronization source signals provided by the clock server. This embodiment does not limit the specific type of the standard clock source signal, as long as its function can be realized.

When the computer equipment determines that the signal type of the source signal is a standard clock source signal, it directly determines the synchronization signal based on the source signal, that is, determines the standard clock source signal as the synchronization signal. Computer equipment is capable of extracting timing information from standard clock source signals.

In this embodiment, when the signal type of the source signal is determined to be a standard clock source signal, the standard clock source signal is directly used as a synchronization signal. Accurate timing information can be determined based on the standard clock source signal, which can improve the accuracy of determining timing information. sex.

In one embodiment, as shown in Figure 3, it involves a possible implementation of determining a synchronization signal according to the source signal and signal type. The steps of this implementation include:

Step 300: If the signal type is a digital signal, obtain multiple frequency band signals in the source signal.

After receiving the source signal, the computer device determines through detection that the signal type of the source signal is a digital signal. The source signal whose signal type is digital signal may include multiple frequency band signals corresponding to one operator, or may include multiple frequency band signals corresponding to multiple operators. After determining that the signal type of the source signal is a digital signal, the computer device can acquire multiple frequency band signals in the source signal. This embodiment does not limit the specific method of acquiring multiple frequency band signals in the source signal, as long as its function can be realized.

In an optional embodiment, multiple filters can be used to obtain multiple frequency band signals in the source signal.

Step 310: Determine synchronization signals based on multiple frequency band signals.

After acquiring multiple frequency band signals in the source signal, the computer device determines the synchronization signal based on the multiple frequency band signals. This embodiment does not limit the specific method of determining the synchronization signal based on multiple frequency band signals, as long as its function can be realized.

In this embodiment, when the signal type of the source signal is a digital signal, the source signal is subject to less interference, which can improve the accuracy of determining multiple frequency band signals, thereby improving the accuracy of determining the synchronization signal.

In one embodiment, as shown in Figure 4, a possible implementation involving determining synchronization signals based on multiple frequency band signals includes:

Step 400: Obtain the signal quality of each frequency band signal.

After acquiring multiple frequency band signals in the source signal, the computer equipment acquires the signal quality of each frequency band signal for each frequency band signal. The signal quality of each frequency band signal can be represented by numbers, for example: the numbers 1, 2, 3, 4, from small to large, indicate that the signal quality is from weak to strong; or the number "0" indicates poor signal quality, and the number "1" ” means the signal quality is optimal. This embodiment does not limit the expression method of the signal quality of each frequency band signal, as long as its function can be realized.

A possible implementation of obtaining the signal quality of each frequency band signal is shown in Figure 5. The steps of this implementation include:

Step 500: Obtain signal parameters of each frequency band signal; the signal parameters include at least one of cyclic redundancy check code, signal-to-noise ratio and signal strength.

For each frequency band signal, the computer device obtains the signal parameters of the frequency band signal. Signal parameters may include any one or more of cyclic redundancy check code (CRC), signal-to-noise ratio, and signal strength.

Step 510: Determine signal quality according to signal parameters.

If the signal parameters of each frequency band signal acquired by the computer device include any one of CRC, signal-to-noise ratio and signal strength, the signal quality can be determined by one signal parameter. If the signal parameters include CRC, the computer equipment can determine the signal quality of each frequency band signal by detecting whether the CRC check is accurate. The accurate CRC check indicates that the signal quality is good; if the signal parameters include signal-to-noise ratio, the computer equipment can compare each frequency band signal. The signal-to-noise ratio of each frequency band signal determines the signal quality of each frequency band signal. The larger the signal-to-noise ratio, the better the signal quality; if the signal parameters include signal strength, the computer equipment can compare the signal strength of each frequency band signal. Determine the signal quality of each frequency band. The greater the signal strength, the better the signal quality.

If the signal parameters of each frequency band obtained by the computer equipment include CRC, signal-to-noise ratio and signal strength, the computer equipment can first determine whether the CRC check of each frequency band signal is accurate; if they are both accurate, compare the signal-to-noise of each frequency band signal. ratio; if the signal-to-noise ratio is consistent, compare the signal strength of each frequency band signal. The greater the signal strength, the better the signal quality.

This embodiment does not limit the specific process of determining signal quality based on signal parameters, as long as the signal quality of each frequency band signal can be determined.

Step 410: Determine the frequency band signal with the best signal quality as the target frequency band signal.

After the computer equipment determines the signal quality of each frequency band signal based on the signal parameters of each frequency band signal, the frequency band signal with the best signal quality is used as the target frequency band signal. In other words, the computer device selects a frequency band signal with the best signal quality from multiple frequency band signals as the target frequency band signal.

Step 420: Determine the synchronization signal according to the target frequency band signal.

After the computer equipment determines the target frequency band signal and the target frequency band signal carries the synchronization signal, the synchronization signal can be obtained by extracting information from the target frequency band signal.

In this embodiment, based on the signal parameters of each frequency band signal, a frequency band signal with the best signal quality is determined as the target frequency band signal; a more accurate synchronization signal can be determined based on the target frequency band signal with the best signal quality, thereby improving Accuracy of timing information determined from synchronization signals.

In one embodiment, as shown in Figure 6, it involves a possible implementation of determining a synchronization signal according to the source signal and signal type. The steps of this implementation include:

Step 600: If the signal type is an analog signal, perform analog-to-digital conversion on the source signal to obtain a converted digital signal.

After receiving the source signal, the computer device determines through detection that the signal type of the source signal is an analog signal. The analog signal may be transmitted by the source device through a radio frequency cable, or may be transmitted by the source device through an antenna air interface.

After determining that the signal type of the source signal is an analog signal, the computer equipment performs digital-to-analog conversion on the source signal and converts it into a digital signal. Optionally, the computer device can perform digital-to-analog conversion on the source signal through a digital-to-analog conversion module.

Step 610: Obtain multiple frequency band signals in the converted digital signal.

The converted digital signal may include multiple frequency band signals corresponding to one operator, or may include multiple frequency band signals corresponding to multiple operators. The computer equipment is capable of acquiring multiple frequency band signals in the converted digital signal. This embodiment does not limit the specific method of obtaining multiple frequency band signals of the converted digital signal.

Step 620: Determine synchronization signals based on multiple frequency band signals.

After acquiring multiple frequency band signals of the converted digital signal, the computer device can determine the synchronization signal based on the multiple frequency band signals. For a description of the method of determining a synchronization signal based on multiple frequency band signals, reference may be made to the specific description in the embodiment shown in FIG. 4 and FIG. 5 , which will not be described again here.

In this embodiment, when the signal type of the source signal is an analog signal, by converting the source signal into a digital signal, the accuracy of determining multiple frequency band signals based on the converted digital signal is higher, and the determined synchronization can be improved. Signal accuracy.

In one embodiment, as shown in Figure 7, it involves a possible implementation of determining a synchronization signal based on a target frequency band signal. The steps of the implementation include:

Step 700: If the target frequency band signal corresponds to multiple serving cells, obtain the signal quality of the signal of each serving cell.

After determining the target frequency band signal with the best signal quality, the computer device determines whether the target frequency band signal includes signals from multiple serving cells. If the computer device determines that the target frequency band signal corresponds to multiple serving cells, that is, the target frequency band signal includes signals from multiple serving cells; the computer device obtains the signal quality of the signal of each serving cell. The signal quality of each serving cell signal can be represented by a number. For example, the number "0" indicates poor signal quality, and the number "1" indicates the best signal quality. This embodiment does not limit the expression method of the signal quality of the signal of each serving cell, as long as its function can be realized.

In an optional embodiment, the computer device may determine the signal quality according to the signal parameters of the signal of each serving cell by acquiring the signal parameters of the signal of each serving cell. For a detailed description of the signal parameters and the determination of the signal quality based on the signal parameters, reference may be made to the description in the embodiment shown in FIG. 5 , which will not be described again here.

Step 710: Determine the serving cell with the best signal quality as the target serving cell, and determine the synchronization signal according to the signal of the target serving cell.

After obtaining the signal quality of the signal of each serving cell, the computer device compares the signal quality of the signal of each serving cell, determines the serving cell with the best signal quality, and determines it as the target serving cell, that is, the computer device starts from Signal quality Selects a serving cell with the best signal quality from multiple serving cells. The signal of the target serving cell carries the synchronization signal, and the computer device can obtain the synchronization signal by performing information extraction processing on the signal of the target serving cell.

In this embodiment, based on the signal quality of multiple serving cells, the serving cell with the best signal quality is determined as the target serving cell, and the synchronization signal is determined based on the signal of the target serving cell, which can improve the accuracy of the determined synchronization signal, thereby The accuracy of timing information determined based on synchronization signals can be improved.

In one embodiment, as shown in Figure 8, the steps of the timing information determination method further include:

Step 800: Track and detect the signal of the target serving cell to determine whether there is any abnormality in the signal of the target serving cell.

After determining the signal of the target serving cell, the computer device tracks and detects the signal of the target serving cell received in real time to determine whether there is an abnormality in the signal of the target serving cell. Assuming that the target serving cell is the first serving cell, the computer device tracks and detects the received signal of the first serving cell to determine whether there is an abnormality in the signal of the first serving cell.

Step 810: If there is an abnormality, determine whether the number of abnormal occurrences reaches a preset threshold.

The computer equipment determines whether the signal of the serving cell with the best signal quality is abnormal, and determines that the signal of the serving cell is abnormal. Then the computer equipment determines the number of abnormal signals of the serving cell, and determines that the signal of the serving cell is abnormal. Whether the number of times reaches the preset number threshold. That is to say, when the computer device determines that there is an abnormality in the signal of the serving cell, it will accumulate the number of abnormal times and determine whether the accumulated number reaches the preset number threshold. The preset number threshold may be stored in the computer device by the worker.

Step 820: If the number of times reaches the preset number threshold, determine the synchronization signal according to the signals of other serving cells in the target frequency band signal.

If the computer device determines that the number of times the signal of the serving cell is abnormal is equal to the preset number threshold, the synchronization signal is determined based on the signals of other serving cells in the target frequency band signal. Among them, other serving cells in the target frequency band signal are other serving cells except the serving cell with the best signal quality. In other words, the computer equipment uses any one of the signals of other serving cells in the target frequency band signal as a backup signal. When the number of abnormal signals in the serving cell with the best signal quality reaches the preset threshold, the backup signal is selected to determine synchronization. Signal.

If the computer device determines that the number of abnormal signals in the target serving cell is less than the preset number threshold, it returns to step 800 to step 820.

In this embodiment, by tracking and detecting the signal of the target serving cell, when it is determined that the number of abnormal signals in the target serving cell reaches the preset threshold, a backup signal is selected to determine the synchronization signal, which can ensure the accuracy of the determined synchronization signal. Accuracy and stability, thereby ensuring the accuracy and stability of timing information determined based on synchronization signals.

In one embodiment, as shown in Figure 9, it involves a possible implementation method of determining whether there is an abnormality in the signal of the target serving cell. The steps of this implementation method include:

Step 900: Determine timing information according to the signal of the target serving cell.

After acquiring the signal of the target serving cell, the computer device extracts information from the signal of the target serving cell, determines the synchronization signal corresponding to the target serving cell, and calculates and processes the synchronization signal to obtain timing information.

Step 910: Determine whether there is an abnormality in the signal of the target serving cell based on whether there is a deviation in the timing information.

After determining the timing information corresponding to the target serving cell, the computer device compares the timing information with the last determined timing information; if the deviation between the timing information and the last determined timing information reaches a preset deviation threshold, it means that the timing information If there is a deviation in the information, it is determined that the signal of the target serving cell is abnormal; if the deviation between the timing information and the last determined timing information does not reach the preset deviation threshold, it means that there is no deviation in the timing information, then the information of the target serving cell is determined There are no exceptions.

In this embodiment, by comparing the deviation between the current timing information of the target serving cell and the last determined timing information to determine whether there is an abnormality in the signal of the target serving cell, it can simplify the method of determining whether there is an abnormality in the signal of the target serving cell. , shorten the time to determine whether there is an abnormality in the signal of the target serving cell, and improve the practicality of the timing information determination method.

In one embodiment, as shown in Figure 10, a possible implementation involves determining whether there is an abnormality in the signal of the target serving cell based on timing information. The steps of this implementation include:

Step 101: Obtain the cyclic redundancy check code of the signal of the target serving cell.

The computer device receives the broadcast signal and can obtain the CRC of the signal of the target serving cell by analyzing the broadcast signal.

Step 102: Determine whether there is an abnormality in the signal of the target serving cell based on the cyclic redundancy check code and timing information of the signal of the target serving cell.

After the computer device obtains the CRC of the signal of the target serving cell and the timing information, it can determine whether there is an abnormality in the signal of the serving cell based on the CRC and the timing information.

Optionally, if the computer device determines that the CRC check of the signal of the target serving cell is wrong, it is determined that the signal of the target serving cell is abnormal; if the computer device determines that the timing information of the target serving cell is different from the last determined timing information. If the deviation reaches the preset deviation threshold, it is determined that the signal of the target serving cell is abnormal. The preset deviation threshold may be stored in the computer device by the staff.

In this embodiment, the CRC and timing information of the target serving cell are used to determine whether there is an abnormality in the signal of the target serving cell, which can improve the accuracy of determining whether there is an abnormality in the target serving cell, thereby improving the accuracy of the acquired timing information. accuracy.

In one embodiment, as shown in Figure 11, the steps of the timing information determination method further include:

Step 110: If the target frequency band signal includes multiple beam directions, obtain the beam signal corresponding to each beam direction according to the target frequency band signal.

If the source signal is sent through the antenna air interface, the source signal includes multiple beam directions, and the target frequency band signal determined based on the source signal also includes multiple beam directions.

After determining the target frequency band signal with the best signal quality, the computer device determines whether the target frequency band signal includes multiple beam directions. If the computer device determines that the target frequency band signal includes multiple beam directions, it obtains the beam signal corresponding to each beam direction in the target frequency band signal. This embodiment does not limit the method of obtaining the beam signal corresponding to each beam direction, as long as its function can be realized.

Step 111: Obtain the signal quality of each beam signal and determine the beam signal with the best signal quality.

After acquiring the beam signals corresponding to each beam direction, that is, multiple beam signals, the computer equipment acquires the signal quality corresponding to the multiple beam signals, and determines the optimal signal quality by comparing the signal qualities corresponding to the multiple beam signals. beam signal. According to the signal quality of each beam signal, the specific method of determining the beam signal with the best signal quality can be referred to the specific description of determining the frequency band signal with the best signal quality based on the signal quality of multiple frequency band signals in the above embodiment, which will not be used here. Again.

Step 112: Adjust the direction of the receiving antenna in the repeater system according to the beam direction corresponding to the beam signal with the best signal quality.

After determining the beam signal with the best signal quality, the computer equipment obtains the beam direction corresponding to the beam signal, and adjusts the direction of the receiving antenna in the repeater system according to the beam direction.

Optionally, the beam signal with the best signal quality is received by the receiving antenna air interface of the remote unit. Then, after determining the beam direction corresponding to the beam signal with the best signal quality, the computer device determines the beam direction of the remote unit according to the beam direction. Adjust the direction of the receiving antenna.

In an optional embodiment, the computer device can control the multi-antenna shaping weighting coefficients of the remote unit in the repeater system according to the corresponding beam direction of the beam signal with the best signal quality, so as to realize the control of the receiving antenna of the remote unit. direction to adjust.

In an optional embodiment, the multi-beam signal of the synchronization signal block (SSB) sent by the macro station is shown in Figure 12. In Figure 12, the SSB signal sent by the macro station includes beam signals in four beam directions.

In this embodiment, by adjusting the method of receiving antennas in the repeater system according to the beam direction corresponding to the beam signal with the best signal quality, the direction of the receiving antenna in the repeater system can be matched with the beam direction with the best signal quality. The beam direction of the signal is aligned, thereby improving the accuracy of the subsequently acquired beam signal, thereby improving the accuracy of the synchronization signal, and the accuracy of the timing information determined based on the synchronization signal.

In one embodiment, the timing information determination method further includes:

Encapsulate the timing information and send the encapsulated timing information.

After determining the timing information based on the synchronization signal, the computer device encapsulates the timing information according to a preset encapsulation format, and can obtain the encapsulated timing information. Optionally, the computer device can encapsulate the timing information in the form of CPRI (Common Public Radio Interface)/eCPRI (enhanced CPRI, enhanced common public radio interface)/radio frequency pulse signal, etc. This embodiment does not limit the specific encapsulation format, as long as its function can be realized.

After the computer device obtains the encapsulated timing information, it will send the encapsulated timing information. The computer equipment can send the encapsulated timing information to other signal conversion units and remote units in the repeater system where the computer equipment is located, and can also send the encapsulated timing information to signals in other repeater systems. conversion unit and remote unit.

In an optional embodiment, after determining the plurality of timing information, the computer device may statistically average the plurality of timing information and use it as the final sent timing information. This can avoid large errors in the acquisition of synchronization signals due to signal interference and signal power fluctuations, that is, it can improve the accuracy of the final sent timing information.

In this embodiment, the computer device encapsulates the timing information and sends the encapsulated timing information to other signal conversion units and remote units of the repeater system where it is located, or other repeater systems, so that other Repeater systems, other signal conversion units and other remote signals can obtain timing information without having to perform the process of acquiring source signals and processing them, which can significantly reduce the cost of redeploying the network.

In one embodiment, the steps of the timing information determination method further include:

If the signal type of the source signal is not the preset target type, the last synchronization signal is obtained; or the local clock signal is used as the synchronization signal; the target type includes: standard clock source signal, digital signal and analog signal.

After receiving the source signal, the computer equipment determines through detection that the signal type of the source signal is not a standard clock source signal, a digital signal, or an analog signal, and then directly determines the timing information based on the last synchronization signal; or obtains local The clock signal uses the local clock signal as a synchronization signal to determine timing information.

This embodiment provides a method of obtaining a synchronization signal when the source signal is not of the preset target type, ensuring that the synchronization signal can still be obtained when the source signal is not of the preset target type, and the timing information is determined based on the synchronization signal. , which can improve the practicality of the timing information determination method.

In one embodiment, as shown in Figure 13, the steps of the timing information determination method further include:

Step 120: Obtain the system message and analyze the system message to determine the frequency deviation.

System messages refer to messages related to the repeater system where the computer equipment is located. After the computer equipment obtains the system message, it can analyze it to determine the frequency deviation, that is, the frequency deviation that exists when the repeater system is working. This embodiment does not limit the specific method by which the computer device parses the system message, as long as the frequency deviation can be obtained.

Step 121: Compensate the carrier frequency of the repeater system according to the frequency deviation.

After obtaining the frequency deviation information, the computer equipment uses the frequency deviation to compensate the carrier frequency of the repeater system. Optionally, the computer device adds the carrier frequency of the repeater system to the frequency deviation, or subtracts the frequency deviation from the carrier frequency to realize compensation for the carrier frequency of the repeater system.

In this embodiment, the determined frequency deviation is used to compensate the carrier frequency of the repeater system, which can improve the accuracy of the repeater system in receiving the source signal, that is, the accuracy of the computer device in receiving the source signal, thereby improving the accuracy of the repeater system in receiving the source signal. The accuracy of the determined synchronization signal can thereby improve the accuracy of the determined timing information.

In one embodiment, the timing information determination method also includes: obtaining broadcast information and system messages, parsing the broadcast information and system messages, and obtaining the time slot ratio, the public land mobile network of the macro station operator, and absolute second time timing. wait. Among them, the system information is obtained through the downlink shared channel. The turn-on and turn-off time of radio frequency devices such as power amplifiers in the repeater system can be adjusted according to the time slot ratio and the public land mobile network of the macro station operator; the real time at that time can be obtained based on the absolute second time for log recording.

Referring to Figure 14, in one embodiment, a method for determining timing information is provided. The steps of the method include:

Step 130: Receive the source signal sent by the source device, and obtain the signal type of the source signal;

Step 131. Determine whether the signal type is a standard clock source signal;

Step 132. If the signal type is a standard clock source signal, determine the synchronization signal based on the source signal;

Step 133. If the signal type is not a standard clock source signal, determine whether the signal type is a digital signal;

Step 134. If the signal type is a digital signal, obtain multiple frequency band signals in the source signal, and determine the synchronization signal based on the multiple frequency band signals;

Step 135: If the signal type is not a digital signal, determine whether the signal type is an analog signal;

Step 136. If the signal type is an analog signal, perform analog-to-digital conversion on the source signal to obtain a converted digital signal, and obtain multiple frequency band signals in the converted digital signal;

Step 137: Determine synchronization signals based on multiple frequency band signals;

Step 138. If the signal type is not an analog signal, obtain the last synchronization signal, or obtain the local clock signal as the synchronization signal;

Step 139: Determine timing information based on the synchronization signal.

It should be understood that although the steps in the flowcharts involved in the above-mentioned embodiments are shown in sequence as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated in this article, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least some of the steps in the flowcharts involved in the above embodiments may include multiple steps or stages. These steps or stages are not necessarily executed at the same time, but may be completed at different times. The execution order of these steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least part of the steps or stages in other steps.

Based on the same inventive concept, embodiments of the present application also provide a timing information determination device for implementing the above-mentioned timing information determination method. The implementation solution provided by this device to solve the problem is similar to the implementation solution recorded in the above method. Therefore, the specific limitations in the embodiments of one or more timing information determination devices provided below can be found in the above description of the timing information determination method. Limitations will not be repeated here.

In one embodiment, as shown in FIG. 15 , a timing information determination device 10 is provided. The timing information determination device 10 includes: a receiving module 11 , an acquisition module 12 and a determining module 13 . in,

The receiving module 11 is used to receive the source signal sent by the source device;

The acquisition module 12 is used to obtain the signal type of the source signal, and determine the synchronization signal according to the source signal and the signal type;

The determining module 13 is used to determine timing information according to the synchronization signal.

The implementation principles and technical effects of the timing information determination device 10 provided by the above embodiment are similar to those of the above method embodiment, and will not be described again here.

For specific limitations on the timing information determination device, please refer to the above limitations on the timing information determination method, which will not be described again here. Each module in the above timing information determination device may be implemented in whole or in part by software, hardware, or combinations thereof. Each of the above modules may be embedded in or independent of the processor of the computer device in the form of hardware, or may be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as shown in Figure 16. The computer device includes a processor, memory, network interface, and database connected through a system bus. Wherein, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes non-volatile storage media and internal memory. The non-volatile storage medium stores operating systems, computer programs and databases. This internal memory provides an environment for the execution of operating systems and computer programs in non-volatile storage media. The database of the computer device is used to store resource query processing data. The network interface of the computer device is used to communicate with external terminals through a network connection. The computer program implements a timing information determination method when executed by a processor.

Those skilled in the art can understand that the structure shown in Figure 16 is only a block diagram of a partial structure related to the solution of the present application, and does not constitute a limitation on the computer equipment to which the solution of the present application is applied. Specific computer equipment can May include more or fewer parts than shown, or combine certain parts, or have a different arrangement of parts.

In one embodiment, a computer device is provided, including a memory and a processor. A computer program is stored in the memory. When the processor executes the computer program, it implements the following steps:

Receive the source signal sent by the source device;

Determine timing information based on synchronization signals.

The implementation principles and technical effects of the computer device provided by the above embodiment are similar to those of the above method embodiment, and will not be described again here.

In one embodiment, a computer-readable storage medium is provided with a computer program stored thereon. When the computer program is executed by a processor, the following steps are implemented:

Receive the source signal sent by the source device;

Determine timing information based on synchronization signals.

The implementation principles and technical effects of the computer-readable storage medium provided by the above embodiments are similar to those of the above method embodiments, and will not be described again here.

In one embodiment, a computer program product is provided, including a computer program. When executed by a processor, the computer program implements the following steps:

Receive the source signal sent by the source device;

Determine timing information based on synchronization signals.

The implementation principles and technical effects of the computer program product provided by the above embodiments are similar to those of the above method embodiments, and will not be described again here.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage. In the media, when executed, the computer program may include the processes of the above method embodiments. Any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and/or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Synchlink DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

The technical features of the above embodiments can be combined in any way. To simplify the description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, all possible combinations should be used. It is considered to be within the scope of this manual. The above-mentioned embodiments only express several implementation modes of the present application, and their descriptions are relatively specific and detailed, but they should not be understood as limiting the scope of the invention patent. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all fall within the protection scope of the present application. Therefore, the scope of protection of this patent application should be determined by the appended claims.

Claims

A method for determining timing information, characterized in that the method for determining timing information includes:

Receive the source signal sent by the source device;

Obtain the signal type of the source signal, and determine a synchronization signal according to the source signal and the signal type;

Timing information is determined based on the synchronization signal.
The timing information determination method according to claim 1, wherein determining the synchronization signal according to the source signal and the signal type includes:

If the signal type is a standard clock source signal, the synchronization signal is determined according to the source signal.
The timing information determination method according to claim 1, wherein determining the synchronization signal according to the source signal and the signal type includes:

If the signal type is a digital signal, obtain multiple frequency band signals in the source signal;

The synchronization signal is determined based on the plurality of frequency band signals.
The timing information determination method according to claim 1, wherein determining the synchronization signal according to the source signal and the signal type includes:

If the signal type is an analog signal, perform analog-to-digital conversion on the source signal to obtain a converted digital signal;

Obtain multiple frequency band signals in the converted digital signal;

The synchronization signal is determined based on the plurality of frequency band signals.
The method for determining timing information according to claim 3 or 4, wherein determining the synchronization signal based on the multiple frequency band signals includes:

Obtain the signal quality of each of the frequency band signals;

Determine the frequency band signal with the best signal quality as the target frequency band signal;

The synchronization signal is determined according to the target frequency band signal.
The timing information determination method according to claim 5, wherein said obtaining the signal quality of each frequency band signal includes:

Obtain signal parameters of each frequency band signal; the signal parameters include at least one of cyclic redundancy check code, signal-to-noise ratio and signal strength;

The signal quality is determined based on the signal parameters.
The timing information determination method according to claim 5, wherein determining the synchronization signal according to the target frequency band signal includes:

If the target frequency band signal corresponds to multiple serving cells, obtain the signal quality of the signal of each of the serving cells;

The serving cell with the best signal quality is determined as the target serving cell, and the synchronization signal is determined based on the signal of the target serving cell.
The timing information determination method according to claim 7, characterized in that the timing information determination method further includes:

Track and detect the signal of the target serving cell to determine whether there is an abnormality in the signal of the target serving cell;

If there is an exception, determine whether the number of exceptions reaches the preset threshold;

If the number of times reaches the preset number of times threshold, the synchronization signal is determined based on signals of other serving cells in the target frequency band signal.
The timing information determination method according to claim 8, wherein determining whether there is an abnormality in the signal of the target serving cell includes:

Determine timing information based on the signal of the target serving cell;

According to whether there is a deviation in the timing information, it is determined whether there is an abnormality in the signal of the target serving cell.
The method for determining timing information according to claim 9, wherein determining whether there is an abnormality in the signal of the target serving cell based on the timing information includes:

Obtain the cyclic redundancy check code of the signal of the target serving cell;

Determine whether there is an abnormality in the signal of the target serving cell according to the cyclic redundancy check code of the signal of the target serving cell and the timing information.
The timing information determination method according to claim 5, characterized in that the timing information determination method further includes:

If the target frequency band signal includes multiple beam directions, obtain the beam signal corresponding to each beam direction according to the target frequency band signal;

Obtain the signal quality of each beam signal and determine the beam signal with the best signal quality;

Adjust the direction of the receiving antenna in the repeater system according to the beam direction corresponding to the beam signal with the best signal quality.
The timing information determination method according to claim 1, characterized in that the timing information determination method further includes:

The timing information is encapsulated, and the encapsulated timing information is sent.
The timing information determination method according to claim 1, characterized in that the timing information determination method further includes:

If the signal type of the source signal is not the preset target type, obtain the last synchronization signal; or obtain a local clock signal as the synchronization signal; the target type includes a standard clock source signal, a digital signal, and an analog signal. Signal.
The timing information determination method according to claim 1, characterized in that the timing information determination method further includes:

Obtain system messages, analyze the system messages to determine the frequency deviation;

The carrier frequency of the repeater system is compensated according to the frequency deviation.
A timing information determining device, characterized in that the timing information determining device includes:

The receiving module is used to receive the source signal sent by the source device;

An acquisition module, configured to acquire the signal type of the source signal, and determine the synchronization signal according to the source signal and the signal type;

Determining module, configured to determine timing information according to the synchronization signal.
A computer device, including a memory and a processor, the memory stores a computer program, characterized in that when the processor executes the computer program, the timing information determination method according to any one of claims 1 to 14 is implemented. A step of.
A computer-readable storage medium on which a computer program is stored, characterized in that when the computer program is executed by a processor, the steps of the timing information determination method described in any one of claims 1 to 14 are implemented.
A computer program product, comprising a computer program, characterized in that when the computer program is executed by a processor, the steps of the timing information determining method described in any one of claims 1 to 14 are implemented.