CN111162851A - Method and device for frequency band matching of repeater - Google Patents
Method and device for frequency band matching of repeater Download PDFInfo
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- CN111162851A CN111162851A CN201911338412.5A CN201911338412A CN111162851A CN 111162851 A CN111162851 A CN 111162851A CN 201911338412 A CN201911338412 A CN 201911338412A CN 111162851 A CN111162851 A CN 111162851A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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Abstract
The embodiment of the invention discloses a method and a device for frequency band matching of a repeater, wherein the method comprises the following steps: the processor acquires first frequency band information of the current moment and second frequency band information of the radio frequency processing unit from the modem, and sets the working frequency band of the radio frequency processing unit as a frequency band corresponding to the first frequency band information when the processor determines that the first frequency band information is inconsistent with the second frequency band information. The processor of the repeater updates the corresponding configuration when the frequency band information of the information source acquired by the modem is inconsistent with the frequency band information of the radio frequency processing unit, thereby realizing the quick locking of the frequency band information of the information source of the repeater, namely the repeater can realize the frequency band self-adaption in a short time and realizing the normal coverage of a mobile signal network.
Description
Technical Field
The invention relates to the field of mobile communication, in particular to a repeater frequency band matching method and device.
Background
Currently, repeaters and multi-service Distributed access system (MDAS) products enter a diversified development stage. Generally, different operators all have operation qualification (unified management by the communication management department) of the corresponding frequency band. It is important for communication equipment manufacturers to develop diversified products to meet the demands of different operators. With the rapid development of mobile communication technology, new technology and new frequency bands continuously appear, products of manufacturers are increasingly diversified and complicated, and the factors of product serialization, multifunctional compatibility, avoidance of repeated development of products which are nearly identical, continuous increase of operation and maintenance cost and the like cause the design of products following the rules to be close to the bottleneck.
In summary, the improvement of the adaptability of the product in the face of different requirements of different environments becomes a next problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides a method and a device for frequency band matching of a repeater, which are used for solving the problem of how to efficiently match the frequency band of the repeater.
In a first aspect, an embodiment of the present invention provides a method for frequency band matching of a repeater, where the repeater includes a modem, a processor, a radio frequency processing unit, and a baseband processing unit, and the method includes:
the processor acquires first frequency band information of the current moment and second frequency band information of the radio frequency processing unit from the modem; the first frequency band information is determined by the modem according to a received signal;
and when the processor determines that the first frequency band information is inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the first frequency band information.
It should be noted that the premise of the present invention is that the radio frequency local oscillation chip of the device supports a wide frequency band, and the larger the frequency band range is, the more compatible frequency bands are, the more diversified the device is and the wider the application can be.
According to the scheme, the processor determines the expected working frequency band information (the frequency band information of the information source) of the repeater through the modem, and corresponding configuration is made when the expected working frequency band information of the repeater is inconsistent with the frequency band information of the radio frequency processing unit, so that the quick locking of the expected working frequency band information of the repeater is realized, namely, the device can realize frequency band self-adaption in a short time, and the normal coverage of a mobile signal network is realized. When the equipment using the technology of the invention is opened at an engineering station, the automatic scanning can be realized without excessive intervention of engineering personnel, the information source access and the mobile network signal coverage can be realized, the opening time of the station is saved, the labor cost is reduced, and the efficiency is improved.
Optionally, before the processor acquires the first frequency band information of the current time from the modem, the method further includes:
the processor determines that the repeater is currently configured in an automatic mode;
the method further comprises the following steps:
and when the processor determines that the first frequency band information is consistent with the second frequency band information, the processor returns to the step of acquiring the first frequency band information at the current moment from the modem.
According to the scheme, the repeater is configured in an automatic mode currently, when the frequency band information of the information source acquired by the processor through the modem is consistent with the current working frequency of the repeater, the repeater can keep the current working state and continuously acquire the frequency band information of the information source through the modem, so that self-adaptation according to the frequency band information of the information source is realized, and manual configuration is not needed.
Optionally, the method further includes:
the processor determines that the repeater is currently configured in a manual mode;
the processor acquires preconfigured third frequency band information;
and when the processor determines that the third frequency band information is inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the third frequency band information.
It should be noted that, if the repeater is currently configured in the manual state, which indicates that the current repeater state is manually set, the processor, such as the MCU, may continue to read the frequency band information preset by the worker in the memory, the worker debugs through the local tuning terminal, for example, the mobile requirement device works at a frequency point of 200MHZ, and the worker may input the data indicating the 200MHZ frequency band information into the configuration window on the corresponding local tuning terminal.
According to the scheme, the manual mode enables the equipment to be simply configured manually, and high technical requirements on operators are not needed. Especially when there are multiple interference sources near the source, the possibility is provided for manual configuration to provide personalized services. The operator can monitor remotely, and the configuration can be carried out in the configuration window when the abnormality exists.
Optionally, the first frequency band information is determined by the modem according to a received signal, and includes:
the modem analyzes a channel number from the received signal;
and the modem determines the first frequency band information corresponding to the received signal according to the corresponding relation between the channel number and the frequency band.
It should be noted that, if the repeater is currently configured in an automatic state, which indicates that the current device does not need any manual intervention, the processor reads the source data through the modem. The modem is the time guarantee of the fast self-adapting technology of the repeater, namely, the equipment can realize the frequency band self-adaptation in a short time, realize the normal coverage of a mobile signal network and reduce the manual intervention to a great extent.
In the above scheme, taking an LTE repeater as an example, according to the relevant standard definition of the 3GPP specification, there are several possibilities for selecting LTE frequency band information, and when determining which frequency band the current information source is, the information source data read by the processor needs to be further analyzed. After the information source data is read out by an interface between the processor and the modem, the processor analyzes a channel number according to the information source data, and then converts the channel number and the frequency band corresponding relation table to obtain the frequency point (or frequency band) information which is currently configured by the equipment.
In a second aspect, an embodiment of the present invention provides a device for matching a frequency band of a repeater, where the device includes:
the acquisition module is used for acquiring first frequency band information of the current moment from the modem and acquiring second frequency band information of the radio frequency processing unit; the first frequency band information is determined by the modem according to a received signal;
and the processing module is used for setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the first frequency band information when the first frequency band information is determined to be inconsistent with the second frequency band information.
Optionally, the processing module is further configured to:
before first frequency band information is acquired from the modem, determining that the repeater is currently configured in an automatic mode;
and returning to the step of acquiring the first frequency band information at the current moment from the modem when the first frequency band information is determined to be consistent with the second frequency band information.
Optionally, the processing module is further configured to:
determining that the repeater is currently configured in a manual mode;
acquiring preconfigured third frequency band information;
and when the third frequency band information is determined to be inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the third frequency band information.
Optionally, the processing module is specifically configured to:
resolving a channel number from the received signal;
and determining the first frequency band information corresponding to the received signal according to the corresponding relation between the channel number and the frequency band.
In a third aspect, an embodiment of the present invention provides a computer-controlled device, including:
a memory for storing program instructions;
and the processor is used for calling the program instructions stored in the memory and executing the method of the first aspect according to the obtained program.
In a fourth aspect, an embodiment of the present invention provides a computer-readable non-volatile storage medium, which includes computer-readable instructions, and when the computer-readable instructions are read and executed by a computer, the computer is caused to execute the method according to the first aspect.
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 inventive exercise.
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a repeater frequency band matching method according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a repeater frequency band matching method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a repeater frequency band matching apparatus according to an embodiment of the present invention.
Detailed Description
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present invention, and are not limitations of the technical solutions of the present invention, and the technical features of the embodiments and examples of the present invention may be combined with each other without conflict.
FIG. 1 schematically shows an embodiment of the present invention, which is described by taking a fiber optic repeater as an example, where the fiber optic repeater generally includes a near-end unit and a far-end unit connected by an optical fiber.
As shown in fig. 1, in the downlink, an external signal is transmitted to a repeater, on one hand, a duplexer in the repeater sends a received signal to a radio frequency processing unit, and the processing of the radio frequency processing unit generally includes up-down conversion, analog-to-digital conversion or digital-to-analog conversion, frequency mixing, signal amplification, and the like; the signal processed by the radio frequency processing unit is sent to the baseband processing unit, processed by the baseband processing unit and sent to the near-end optical transmission integrated module for electro-optical conversion, transmitted to the far-end machine through the optical fiber, subjected to photoelectric conversion through the far-end optical transmission integrated module of the far-end machine, and then transmitted out through the antenna feed system through the baseband processing unit, the radio frequency processing unit and the duplexer.
On the other hand, the MODEM converts the pulse signal of the external signal into a digital signal, that is, source data. The MODEM analyzes the information source data to obtain a corresponding channel number, and determines frequency point (or frequency band) information corresponding to the external signal through a channel number and frequency band corresponding relation table. The MCU acquires the frequency point or frequency band information of the received signal determined by the MODEM through the interface with the MODEM, acquires the current working frequency point or frequency band information of the radio frequency processing unit through the interface with the radio frequency processing unit, and compares the frequency point or the frequency band information with the current working frequency point or frequency band information of the radio frequency processing unit so as to determine whether the working frequency band of the radio frequency processing unit needs to be adjusted. If the two are consistent, the equipment is proved to be in a normal state, and if the two are not consistent, the necessity of configuring frequency band (including frequency point) information in the radio frequency processing unit is shown. The implementation process can be performed periodically.
The radio frequency processing unit comprises frequency band information of the repeater. The processor MCU mainly realizes the functions of detecting and controlling the hardware information state of the equipment, communicating with a network management center, locally debugging and the like. The MCU reads information source data through an interface with the MODEM. Through an interface between the MCU and the MODEM, on one hand, the MCU can acquire the working state of the MODEM; on the other hand, the MODEM can also respond to the configuration command of the MCU. After the query command sent by the MCU to the MODEM is responded, the MCU can acquire the frequency band information of the current information source, the MCU can further judge whether the information is consistent with the frequency band information in the radio frequency processing unit, if the information is consistent with the frequency band information in the radio frequency processing unit, the equipment is proved to be in a normal state, if the information is inconsistent with the frequency band information in the radio frequency processing unit, the necessity of configuring the frequency band (including frequency point) information in the radio frequency processing unit is indicated, and after the configuration is finished, the next round of detection period is started.
It should be further noted that fig. 1 illustrates an optical fiber repeater, and the embodiment of the present invention does not limit the type of the repeater, and besides the optical fiber repeater, the present invention is also applicable to a wireless repeater, a frequency shift transmission repeater, and the like. The invention also does not limit the signal transmitted by the repeater, and the repeater related to the invention comprises a GSM repeater, a CDMA repeater, a WCDMA repeater, a TD-SCDMA repeater, an LTE repeater and the like.
The structure shown in fig. 1 is only an example, and the embodiment of the present invention is not limited thereto.
To better explain the above embodiments, fig. 2 exemplarily shows a flow of a method for repeater frequency band matching, which can be performed by an apparatus for repeater frequency band matching. In the above system architecture, the processor may be used as an executor.
As shown in fig. 2, the process specifically includes:
in step 201, the processor obtains the first frequency band information of the current time and obtains the second frequency band information of the rf processing unit from the modem.
It should be noted that the first frequency band information is determined by the modem according to the received signal. And the processor such as the MCU enters a normal running state after the repeater is started, and reads the state of the self-adaptive mode in the memory, wherein the mode is stored in the flash, so that the data can be normally stored when the system is powered off. Of course, the embodiment of the present invention does not limit the specific type and the operation manner of the memory, and the memory may also be a RAM, a ROM, or the like. The self-adaptive mode is divided into a manual state and an automatic state. The manual and automatic states of the self-adaptive mode are used for determining the channel from which the MCU acquires the expected working frequency band information of the repeater. The frequency band information of the radio frequency processing unit is the working frequency band in which the repeater is working.
Specifically, before the processor acquires the first frequency band information from the modem, the processor determines that the repeater is currently configured in an automatic mode of an adaptive mode, and when the processor determines that the first frequency band information is consistent with the second frequency band information, the processor returns to the step of acquiring the first frequency band information at the current moment from the modem.
It can be seen from the above that, one of the current configurations of the repeater is an automatic mode, and when the frequency band information of the information source acquired by the processor through the modem is consistent with the current operating frequency of the repeater, the repeater can keep the current operating state and continue to acquire the frequency band information of the information source through the modem, thereby realizing self-adaptation according to the frequency band information of the information source without manual configuration.
Specifically, if the repeater is currently configured in the manual mode, the processor first determines that the repeater is currently configured in the manual mode, then the processor acquires the preconfigured third frequency band information, and finally, when the processor determines that the third frequency band information is inconsistent with the second frequency band information, the processor sets the working frequency band of the radio frequency processing unit to the frequency band corresponding to the third frequency band information.
Further, if the repeater is currently configured in a manual state, which indicates that the current repeater state is manually set, the processor will continue to read frequency band information preset by a worker in the memory, the worker debugs through the local debugging terminal, for example, the mobile requirement device works on a frequency point of 200MHZ, and the worker inputs data indicating the 200MHZ frequency band information into a configuration window on the corresponding local debugging terminal. The information state can have various numerical values which respectively represent different frequency bands, as long as the frequency band information range is reasonable and legal and meets the specification, the processor can further read frequency point information (frequency band information of the work of the radio frequency processing unit) in the radio frequency processing unit and judge whether the information is matched with the frequency band information in the radio frequency processing unit, if the information is matched with the frequency band information in the radio frequency processing unit, the equipment is proved to be in a normal state, and a next round of detection period is started; if not, the necessity of configuring the middle frequency band information of the radio frequency processing unit is indicated, and after the configuration is completed, the next round of detection period is entered. In addition, the period is optimally set according to the system requirements, and is generally 3 seconds or 5 seconds.
In the embodiment of the application, if the repeater is currently configured in an automatic state, which indicates that the current device does not need any manual intervention, the MCU reads the information source data through the modem. Taking an LTE repeater as an example, according to the relevant standard definition of the 3GPP specification, there are several possibilities for selecting LTE frequency band information, and when determining which frequency band the current information source is, the information source data read by the MCU needs to be further analyzed. After the information source data is read out by the interface between the MCU and the modem, the modem resolves the channel number therein according to the information source data, and then converts the channel number and the frequency band corresponding relation table to obtain the frequency point (or frequency band) information which should be configured currently by the equipment.
Based on the above, the first frequency band information is determined by the modem according to the received signal, and specifically, the modem parses a channel number from the received signal, and then determines the first frequency band information corresponding to the received signal according to a correspondence between the channel number and the frequency band.
Specifically, the processor sends the query command to the modem to obtain frequency band information corresponding to the current information source, and the processor further determines whether the information is matched with frequency point information in the radio frequency processing unit, and if the information is matched with the frequency point information in the radio frequency processing unit, the processor proves that the device is in a normal state.
Specifically, if the frequency point information is not matched, the necessity of configuring the frequency point information in the radio frequency processing unit is indicated, and after the configuration is completed, the next round of detection cycle is entered.
It can be seen from the above that, the processor determines the expected working frequency band information of the repeater according to the current configuration of the repeater and makes corresponding configuration when the expected working frequency band information of the repeater is inconsistent with the frequency band information of the radio frequency processing unit, so that the quick locking of the expected working frequency band information of the repeater is realized, that is, the device can realize frequency band self-adaptation in a short time, and realize the normal coverage of a mobile signal network. When the equipment using the technology of the invention is opened at an engineering station, the automatic scanning can be realized without excessive intervention of engineering personnel, the information source access and the mobile network signal coverage can be realized, the opening time of the station is saved, the labor cost is reduced, and the efficiency is improved.
In order to better explain the above scheme, a flow diagram of a repeater frequency band matching method is provided below.
As shown in fig. 3, the process specifically includes:
It should be noted that the repeater is currently configured in a default state after being powered on, the default state is set before leaving a factory, and may be a manual mode or an automatic mode, and the configuration of the default state may be modified manually, for example, the default state of the repeater at the beginning is the manual mode, and a worker may change the manual mode into the automatic mode through debugging and testing. The current configuration of the repeater can be changed in the configuration window of the repeater through the debugging terminal, the operation is simple, and high technical requirements on workers are not required. The specific information of the current configuration of the repeater is stored in the flash, so that the data can be normally stored when the system is powered off. Of course, the embodiment of the present invention does not limit the specific type and the operation manner of the memory, and the memory may also be a RAM, a ROM, or the like. The current configuration of the repeater is divided into a manual state and an automatic state. The current configuration of the repeater is in a manual state and an automatic state, and the manual state and the automatic state are used for determining a channel from which the MCU acquires the expected working frequency band information of the repeater.
It should be noted that, if the current configuration mode of the repeater is a manual state, which indicates that the current configuration is set manually, the MCU may continue to read the frequency band information preset by the operator in the memory, the operator may debug the repeater through the local tuning terminal, for example, the unicom requires the device to work in the 400MHZ-500MHZ frequency band, and the operator may input the data indicating the 400MHZ-500MHZ frequency band information into the corresponding configuration window on the local tuning terminal. The information state may have various values, which respectively represent different frequency bands, as long as the frequency band information range is reasonable and legal and meets the specification, the MCU further reads the frequency point information (frequency band information of the radio frequency processing unit) in the radio frequency processing unit and judges whether the information matches with the frequency band information in the radio frequency processing unit, if the information matches with the frequency band information in the radio frequency processing unit, the device is proved to be in a normal state, and the next round of detection cycle is entered; if not, the necessity of configuring the middle frequency band information of the radio frequency processing unit is indicated, and after the configuration is completed, the next round of detection period is entered.
It should be noted that, if the repeater is currently configured in an automatic state, which indicates that the current device does not need any manual intervention, the MCU reads the source data through the modem. Taking an LTE repeater as an example, according to the relevant standard definition of the 3GPP specification, there are several possibilities for selecting LTE frequency band information, and when determining which frequency band the current information source is, the information source data read by the MCU needs to be further analyzed. After the information source data is read out by the interface between the MCU and the modem, the MCU resolves the channel number according to the information source data, and then converts the channel number and the frequency band corresponding relation table to obtain the frequency point (or frequency band) information which should be configured currently by the equipment. Specifically, the MCU acquires required signal source data by sending a specific instruction to the Modem, for example, Reference Signal Received Power (RSRP) and EARFCH _ DL (downlink frequency point) are important parameters, the size of the former reflects the strength of the signal source, and the latter directly relates to whether the frequency point tracked by the Modem is a useful frequency point, because sometimes the Modem may be locked to an interference frequency point or another useless frequency point, in this case, the normal transmission of the signal may be realized only in a manual mode.
Furthermore, when the Modem is locked to useless frequency points such as interference frequency points and the like, the Modem can be configured through the MCU, so that the Modem can realize the function of primarily screening information source information, and the accuracy of information source data read by the MCU is improved.
And step 304, judging whether the frequency band information read by the MCU is consistent with the frequency band information of the radio frequency processing unit. If not, go to step 405.
And 305, the MCU matches the frequency band information of the radio frequency processing unit according to the read frequency band information.
Specifically, for example, the frequency band information read by the MCU is 200MHZ to 300MHZ, and the operating frequency read by the MCU is 400MHZ to 500MHZ, then the MCU updates the original frequency band information of 400MHZ to 500MHZ of the rf processing unit to 400MHZ to 500 MHZ.
Based on the same technical concept, fig. 4 exemplarily shows a structure of a device for matching a frequency band of a repeater according to an embodiment of the present invention, where the repeater includes a modem, a processor, a radio frequency processing unit and a baseband processing unit, and the device can execute a procedure of a method for automatically matching a frequency band of a repeater.
As shown in fig. 4, the apparatus may include:
an obtaining module 401, configured to obtain first frequency band information of a current moment and obtain second frequency band information of the radio frequency processing unit from the modem; the first frequency band information is determined by the modem according to a received signal;
a processing module 402, configured to set a working frequency band of the radio frequency processing unit as a frequency band corresponding to the first frequency band information when it is determined that the first frequency band information is inconsistent with the second frequency band information.
Optionally, the processing module 402 is further configured to:
before first frequency band information is acquired from the modem, determining that the repeater is currently configured in an automatic mode;
and returning to the step of acquiring the first frequency band information at the current moment from the modem when the first frequency band information is determined to be consistent with the second frequency band information.
Optionally, the processing module 402 is further configured to:
determining that the repeater is currently configured in a manual mode;
acquiring preconfigured third frequency band information;
and when the third frequency band information is determined to be inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the third frequency band information.
Optionally, the processing module 402 is specifically configured to:
resolving a channel number from the received signal;
and determining the first frequency band information corresponding to the received signal according to the corresponding relation between the channel number and the frequency band.
Based on the same technical concept, an embodiment of the present invention further provides a computer controlled device, including:
a memory for storing program instructions;
and the processor is used for calling the program instruction stored in the memory and executing the repeater frequency band matching method according to the obtained program.
Based on the same technical concept, the embodiment of the present invention further provides a computer-readable non-volatile storage medium, which includes computer-readable instructions, and when the computer reads and executes the computer-readable instructions, the computer is enabled to execute the method for matching the frequency band of the repeater.
Finally, it should be noted that: as will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, controlled devices (systems) and computer program products according to the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing controlled apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing controlled apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for frequency band matching of a repeater is characterized in that the repeater comprises a modem, a processor, a radio frequency processing unit and a baseband processing unit, and the method comprises the following steps:
the processor acquires first frequency band information of the current moment and second frequency band information of the radio frequency processing unit from the modem; the first frequency band information is determined by the modem according to a received signal;
and when the processor determines that the first frequency band information is inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the first frequency band information.
2. The method of claim 1, wherein before the processor obtains the first frequency band information at the current time from the modem, the method further comprises:
the processor determines that the repeater is currently configured in an automatic mode;
the method further comprises the following steps:
and when the processor determines that the first frequency band information is consistent with the second frequency band information, the processor returns to the step of acquiring the first frequency band information at the current moment from the modem.
3. The method of claim 2, further comprising:
the processor determines that the repeater is currently configured in a manual mode;
the processor acquires preconfigured third frequency band information;
and when the processor determines that the third frequency band information is inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the third frequency band information.
4. The method of claim 1, wherein the first frequency band information is determined by the modem from a received signal, comprising:
the modem analyzes a channel number from the received signal;
and the modem determines the first frequency band information corresponding to the received signal according to the corresponding relation between the channel number and the frequency band.
5. An apparatus for frequency band matching of a repeater, the apparatus comprising:
the acquisition module is used for acquiring first frequency band information of the current moment from the modem and acquiring second frequency band information of the radio frequency processing unit; the first frequency band information is determined by the modem according to a received signal;
and the processing module is used for setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the first frequency band information when the first frequency band information is determined to be inconsistent with the second frequency band information.
6. The apparatus of claim 5, wherein the processing module is further configured to:
before first frequency band information is acquired from the modem, determining that the repeater is currently configured in an automatic mode;
and returning to the step of acquiring the first frequency band information at the current moment from the modem when the first frequency band information is determined to be consistent with the second frequency band information.
7. The apparatus of claim 6, wherein the processing module is further configured to:
determining that the repeater is currently configured in a manual mode;
acquiring preconfigured third frequency band information;
and when the third frequency band information is determined to be inconsistent with the second frequency band information, setting the working frequency band of the radio frequency processing unit as the frequency band corresponding to the third frequency band information.
8. The apparatus of claim 5, wherein the processing module is specifically configured to:
resolving a channel number from the received signal;
and determining the first frequency band information corresponding to the received signal according to the corresponding relation between the channel number and the frequency band.
9. A computing device, comprising:
a memory for storing program instructions;
a processor for calling program instructions stored in said memory to execute the method of any one of claims 1 to 4 in accordance with the obtained program.
10. A computer-readable non-transitory storage medium including computer-readable instructions which, when read and executed by a computer, cause the computer to perform the method of any one of claims 1 to 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115412143A (en) * | 2022-08-24 | 2022-11-29 | 金寨天兴通讯科技有限公司 | Relay frequency self-selection method of 5G wireless frequency shift repeater |
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