WO2020191604A1

WO2020191604A1 - Method and apparatus for reducing interference between different communication systems in device, and device

Info

Publication number: WO2020191604A1
Application number: PCT/CN2019/079626
Authority: WO
Inventors: 夏正山; 蓝元皓; 沈丽; 周鹏; 丁仁天
Original assignee: 华为技术有限公司
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-10-01
Also published as: CN112005506A; CN112005506B

Abstract

A method and an apparatus for reducing interference between different communication systems in a device, and a device, being used for reducing communication interference, without significantly increasing hardware costs. Said method comprises: determining, among a first communication system and a second communication system, a communication system having a lower priority, the first communication system being a cellular communication system, and the second communication system being a communication system of a type other than the cellular communication system; acquiring a first operating frequency of the first communication system; acquiring a second operating frequency of the second communication system; according to the first operating frequency and the second operating frequency, performing interference avoidance on the communication system having a lower priority, the interference avoidance comprising: reducing the transmission power or turning off the transmission function.

Description

Method, device and equipment for reducing interference between different communication systems in equipment

Technical field

The embodiments of the present application relate to the field of communications, and in particular to a method, device, and device for reducing interference between different communication systems in a device.

Background technique

With the advent of the fifth generation (5G) communication era, 5G not only brings us faster data transmission rates and better user experience, it also brings cellular communication systems and wireless fidelity (WIFI). ) Design problems and challenges for coexistence of communication systems. Specifically, in a device, the probability of mutual interference between the working frequency of the cellular communication system and the working frequency of the WIFI communication system is further increased, so when the working frequency of the transmitted signal used by one party is compared with the working frequency of the received signal of the other party When they interfere with each other, they may affect the business of the receiving party. For example, when the working frequency of the general data Internet operation through the WIFI communication system and the working frequency of the cellular communication system to monitor paging messages in the idle state (Idle) mutually Interference, the data sending operation of the WIFI communication system may cause the cellular communication system to miss incoming calls.

There is a control method for the coexistence of a cellular communication system and a WIFI communication system in the prior art. A bandwidth selection filter and a full-band filter can be set in each radio frequency channel of the cellular communication system and the WIFI communication system of the terminal device in advance. It divides the radio frequency channel with the bandwidth selection filter into the radio frequency channel with bandwidth loss, and divides the radio frequency channel with the full-band filter into the full-band radio frequency channel, and the terminal equipment is based on the obtained frequency of the cellular communication system Information, determine whether the difference between the frequency of the cellular communication system and the frequency of the pre-stored WIFI communication system is within the preset frequency difference range, if the result of the judgment is yes, set the RF channel with bandwidth loss as the WIFI communication system RF channel, and set the full-band RF channel as the RF channel of the cellular communication system; if the judgment result is no, set the RF channel with bandwidth loss as the RF channel of the cellular communication system, and set the full-band RF channel to WIFI The radio frequency channel of the communication system.

However, the revenue frequency band in the prior art is relatively single. When multiple working frequency bands in the cellular communication system interfere with the working frequency band of the WIFI communication system, one RF channel corresponding to each working frequency band with interference risk needs to be added. The bandwidth selection filter and a full-band filter not only increase the hardware cost, but also increase the area of the printed circuit board (PCB). Taking the cellular communication system as a 5G system as an example, due to the newly added working frequency band of the WIFI communication system at 5GHz, the adjacent frequency interference between the WIFI communication system 5GHz and the n77 and n79 frequency bands in the cellular communication system has been introduced, as well as WIFI communication Between the system 5GHz and the licensed assisted access (LAA) frequency band, the long-term evolution unlicensed (LTE-U) frequency band, or the enhanced authorized assisted access (eLAA) frequency band in the cellular communication system If the existing technology solutions are adopted, the hardware cost and PCB area will increase greatly.

Summary of the invention

The embodiments of the present application provide a method, device, and equipment for reducing interference between different communication systems in a device, which are used to reduce communication interference without significantly increasing hardware costs.

In the first aspect, embodiments of the present application provide a method for reducing interference between different communication systems in a device. The terminal device can determine the communication system with lower priority in the first communication system and the second communication system, where the first communication system is a cellular communication system, and the second communication system is a communication system of other types except the cellular communication system , And after obtaining the first operating frequency of the first communication system and the second operating frequency of the second communication system, perform interference avoidance on the communication system with lower priority according to the first operating frequency and the second operating frequency , Interference avoidance includes: reducing the transmission power or turning off the transmission function. For different combinations of the first working frequency and the second working frequency, the same transmission power value can be reduced, or different transmission power values can be reduced.

In this application, the terminal device obtains the priority of the cellular communication system and other communication systems, and reduces the transmission power of the communication system with a lower priority or turns off the transmission function according to the working frequencies of the two, thereby ensuring a higher priority The receiving operation of the communication system is not disturbed. Since the aforementioned solution does not need to be implemented by hardware, the increase in hardware cost and PCB area is avoided.

In a possible implementation manner, the terminal device may obtain the first service type of the first service provided by the first communication system and the second service type of the second service provided by the second communication system, and according to the first service type And the second service type, the communication system with the lower priority of the first communication system and the second communication system is determined.

In this application, the priority of the first communication system and the second communication system is determined according to the first service type of the first service provided by the first communication system and the second service type of the second service provided by the second communication system, thereby Ensure that the reception operation of higher priority services does not receive interference and provide users with a good user experience.

In a possible implementation manner, the terminal device may store a service type rating table for determining the priority of the first communication system and the second communication system, and the service type rating table includes: The multiple first service types corresponding to each type of service and the priority of each first service type, and the multiple second service types corresponding to the multiple services provided through the second communication system and the priority of each second service type level.

In a possible implementation manner, the terminal device performing interference avoidance on a communication system with a lower priority according to the first operating frequency and the second operating frequency may include: the terminal device according to the first operating frequency, the second operating frequency, and the pre-interference The preset frequency relationship table performs interference avoidance on communication systems with lower priority, where the preset frequency relationship table may at least include multiple first working frequency bands of the first communication system and multiple second communication systems of the second communication system. The working frequency band, the first working frequency band is multiple working frequency bands in the working frequency band of the first communication system with interference risk, and the second working frequency band is the multiple working frequency bands in the working frequency band of the second communication system with interference risk.

In this application, it is judged that the first working frequency and the second working frequency are interfering with each other by looking up the table, which not only shortens the judgment time of the terminal device, but also the preset frequency relationship table is calculated by those skilled in the art based on the interference experiment in advance. Certainly, it improves the rigor of the judgment process.

In a possible implementation manner, a frequency relationship table may be preset on the terminal device, including: multiple first working frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, and the second communication system The multiple second operating frequency bands of the system and at least one fourth bandwidth corresponding to each first frequency band, corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth The transmit power value or an instruction to turn off the transmit function.

The terminal device can also obtain the first bandwidth when the first communication system is working at the first working frequency, and the second bandwidth when the second communication system is working at the second working frequency, and according to the first working frequency and the first working frequency The bandwidth, the second working frequency and the second bandwidth and the frequency relationship table, determine the transmission power value or turn off the transmission function instruction. When the difference between the first working frequency and the second working frequency is smaller, the transmission working rate needs to be reduced The larger the value.

In this application, the terminal device can flexibly determine whether to reduce the transmission power or turn off the transmission function in combination with the working bandwidth of the first communication system and the second communication system. Further, the value of the transmission power that needs to be reduced is also different under different working bandwidths. Therefore, it is possible to determine the transmit power value that needs to be reduced in combination with each specific working bandwidth. If the degree of mutual interference between the two communication systems is low, the transmit power value that needs to be reduced can be lower; if the two communication systems interfere with each other If the degree is higher, the transmission power value that needs to be reduced can be higher, so as to avoid the waste of frequency resources of the communication system with lower priority.

In a possible implementation manner, before the terminal device performs interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency, the method may further include: the terminal device may perform the interference avoidance according to the preset frequency relationship The table determines whether the first operating frequency is located in one of the multiple first operating frequency bands, and whether the second operating frequency is located in one of the multiple second operating frequency bands, and whether the first operating frequency is located in multiple In the case of one working frequency band in the first working frequency band, and the second working frequency is located in one working frequency band of the multiple second working frequency bands, the trigger is based on the first working frequency and the second working frequency, and the pair has a lower priority The high-level communication system performs interference avoidance.

In this application, the terminal device performs interference avoidance on the communication system with a lower priority only when the first working frequency and the second working frequency meet the mutual interference conditions, so as to avoid the waste of communication resources.

In a possible implementation manner, the terminal device performing interference avoidance on a communication system with a lower priority may specifically include: the terminal device receives signals from a communication system with a higher priority in the first communication system and the second communication system When the signal strength value of is less than the preset value, interference avoidance is performed on the communication system with lower priority.

In this application, the terminal device will only perform interference avoidance on the communication system with a lower priority when the received signal of the communication system with a higher priority is less than the preset value, that is, to ensure the higher priority Under the premise that the receiving operation of the communication system is not disturbed, the interference to the normal communication of lower priority is minimized, and the waste of communication resources is avoided.

In a possible implementation manner, the second communication system is a wireless fidelity WIFI communication system.

In a second aspect, an embodiment of the present application provides a device for reducing interference between different communication systems in a device. The device includes: the device includes steps for executing the first aspect and the method steps in the various implementations of the first aspect. unit. Specifically, the device includes a determining unit, an acquiring unit, and a processing unit. In addition, it may also include other modules or units such as a storage module.

In a third aspect, embodiments of the present application provide a communication device, which may include entities such as a terminal device or a chip. The communication device includes: a processor and a memory; the memory is used for storing instructions; the processor is used for Executing the instructions in the memory causes the communication device to execute the method according to any one of the foregoing first aspects.

In a fourth aspect, the embodiments of the present application provide a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer or processor, the computer or processor executes the above The method described in the first aspect.

In the fifth aspect, the embodiments of the present application provide a computer program product containing instructions that, when run on a computer or processor, cause the computer or processor to execute the method described in the first aspect.

In a sixth aspect, the present application provides a chip system including a processor for supporting communication devices to implement the functions involved in the above aspects, for example, sending or processing data and/or information involved in the above methods . In a possible design, the chip system further includes a memory, and the memory is used to store necessary program instructions and data for the communication device. The chip system may include chips or chips and other discrete devices.

For the beneficial effects of the second to sixth aspects of this application, reference may be made to the first aspect.

Description of the drawings

FIG. 1 is a schematic diagram of the neighboring relationship between the WiFi network system and the cellular network system in the 2.4 GHz frequency range provided by an embodiment of the application;

FIG. 2 is a schematic diagram of a structure of a terminal device provided by an embodiment of the application;

3 is a schematic flowchart of a method for reducing interference between different communication systems in a device according to an embodiment of the application;

4 is a schematic flowchart of a method for determining the priorities of the first communication system and the second communication system provided by an embodiment of the application;

FIG. 5 is a schematic structural diagram of a device for reducing interference between different communication systems in a device according to an embodiment of the application.

detailed description

The embodiments of the present application provide a method, device, and equipment for reducing interference between different communication systems in a device, which are used to reduce communication interference without significantly increasing hardware costs. The terms "first", "second", etc. in the description and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, and this is merely a way of distinguishing objects with the same attributes in the description of the embodiments of the present application. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusion, so that a process, method, system, product, or device including a series of units is not necessarily limited to those units, but may include Listed or inherent to these processes, methods, products or equipment.

In order to enable those skilled in the art to better understand the technical solutions in the embodiments of this application, and to make the above-mentioned objectives, features and advantages of the embodiments of this application more obvious and understandable, the following describes the technology in the embodiments of this application with reference to the accompanying drawings. The plan is described in further detail. Before describing the technical solutions of the embodiments of the present application, first, the application scenarios of the embodiments of the present application will be described with reference to the drawings.

The technical solution of the present application can be applied to application scenarios where a cellular communication system and other types of communication systems are concurrent. Specifically, the application scenario can be simultaneous communication between a WIFI communication system and a cellular communication system, or Bluetooth (BT) and cellular communication The system communicates at the same time, or the global positioning system (GPS) communicates with the cellular communication system at the same time. More specifically, the cellular communication system may be a long term evolution (LTE) system, or may also be a fifth generation mobile communication system (the 5th generation, 5G), and may also be other future network systems, such as the first Sixth-generation or seventh-generation mobile communication systems, etc. The specific application scenarios of this solution can be iterated continuously according to the development of communication technology, and the specific application scenarios are not limited here.

In the above scenario, mutual interference may occur between the working frequencies of the cellular communication system and other types of communication systems. Take the communication between the WIFI communication system and the cellular communication system as an example, see FIG. 1, which is the WiFi network system provided by an embodiment of the application A schematic diagram of the neighboring relationship with the neighboring frequency of the cellular network system in the 2.4GHz frequency range. For example, the WIFI system and the 3GPP long term evolution (long term evolution, LTE) system, or the 5G new radio (NR) system interfere with adjacent frequencies, harmonics, co-frequency, and intermodulation. Specifically, the frequency spectrum shown in Figure 1 includes industrial, scientific, and medical (industrial scientific medical, ISM) Band. This frequency band (2.4GHz to 2.4835GHz) is mainly open to industry, science, and medicine, and used by three major institutions , This frequency band is defined by the Federal Communications Commission (FCC) of the United States and belongs to the free license band, that is, there is no restriction on the so-called license. Among them, 2.4GHz is the ISM frequency band common to all countries, so wireless networks such as WIFI wireless LAN, Bluetooth, ZigBee, etc. can all work on the 2.4GHz frequency band. The 2.4GHz channel in the WIFI network system and the B40/n40, B7/n7 and B41/n41 frequency bands in the cellular network will cause adjacent frequency mutual interference. When WIFI transmission, it will affect the reception performance of the cellular network frequency band; correspondingly, the cellular network The transmission will also affect the receiving performance of the WIFI antenna. Similarly, for a dual-band WIFI network system, it can support 5GHz band signal transmission and reception. The 5GHz channel in the WIFI network system and the N77 and N79 frequency bands in the cellular network will also cause adjacent frequency mutual interference.

If the working frequency of the cellular communication system is close to the working frequency of the WIFI communication system, or both are within the same frequency bandwidth, mutual interference may result. For example, as shown in Table 1, the mutual interference effects of these two network systems working in adjacent or the same frequency band are listed.

Table 1

The technical solutions provided by the embodiments of the present application can solve the mutual interference problem generated when the cellular network system and other types of communication systems coexist in the various scenarios described above. Before introducing the technical solution in detail, first introduce the terminal device used in the embodiment of the present application. As shown in Figure 2, a possible schematic diagram of the structure of the terminal device is provided. The terminal device may include components such as memory, processor, receiver, transmitter, and power supply.

Specifically, the memory may mainly include a program storage area and a data storage area. The program storage area may store an operating system, an application program or driver software required for at least one function, etc. The processor runs software programs and modules stored in the memory. , So as to perform various functional applications and data processing of the terminal device; the data storage area can store data created according to the use of the terminal device.

The processor is the control center of the terminal device. It uses various interfaces and lines to connect the various parts of the entire terminal device. It executes the terminal by running or executing software programs and/or modules stored in the memory, and calling data stored in the memory. Various functions and processing data of the equipment, so as to monitor the terminal equipment as a whole. Optionally, the processor may include an application processor and a communication processor (also referred to as a "modulation and demodulation processor" or a "baseband processor"), and the application processor and the communication processor may be integrated into one chip, or It can be two independent chips, where the application processor mainly processes the operating system, user interface, and application programs, and the communication processor mainly processes wireless communication. Optionally, the communication processor may also include a cellular processor for processing cellular communication system services, and a WIFI processor for processing other types of communication services such as WIFI communication system services, GPS or BT services.

Receivers and transmitters can be used to send and receive messages or receive and send signals during a call. The receiver and transmitter include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, an LNA (low noise amplifier, low noise amplifier), a duplexer, or a filter.

The terminal device also includes a power supply for supplying power to each component. The power supply can be logically connected to the processor through the power management system, so that functions such as charging, discharging, and power consumption management can be managed through the power management system. Although not shown, the terminal device may also include an input unit, a display unit, a sensor module, an audio module, etc., which are not repeated here.

In addition, the terminal device described in this embodiment may be a mobile terminal, such as a mobile phone (or called a "cellular" phone) and a computer with a mobile terminal. For example, it may be portable, pocket-sized, handheld, or built-in computer. Vehicle-mounted mobile devices that exchange language and/or data with the wireless access network. For example, personal communication service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (personal digital assistants, PDAs) and other equipment . The wireless terminal may also be a subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station), mobile station (mobile), remote station (remote station), access point (access point), remote station Terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), user equipment (user device) or user equipment (user equipment, terminal equipment), etc.; when the terminal device is When it comes to smart phones, it is understandable that in the future development of smart phones, multi-screen mobile phones can also be designed, such as folding screen phones, sliding screen phones, etc. The embodiment of the present application does not limit the specific technology and specific device form adopted by the terminal device.

The method provided by the embodiment of the present application will be described in detail below. Referring to FIG. 3, FIG. 3 is an embodiment of a method for reducing interference between different communication systems in a device according to an embodiment of the application. The method may include: step 301. The terminal device determines that the first communication system and the second communication system are Communication system with lower priority. In an embodiment of the present application, the first communication system is a cellular communication system, and the second communication system is a communication system of other types besides the cellular communication system. Specifically, the second communication system may be a WIFI communication system, GPS or Bluetooth. It should be understood that in this embodiment and subsequent embodiments, only the first communication system is a cellular communication system, and the second communication system is a WIFI communication system as an example. Detailed description will be given when the second communication system is another type In the case of a communication system, the technical solutions provided in the embodiments of the present application can also be directly applied by analogy, and the implementation solutions of other types of communication systems will not be repeated here.

As an implementation manner, the terminal device can preset the priority relationship between the first communication system and the second communication system. Specifically, the terminal device can be preset to have the priority of the first communication system higher than the priority of the second communication system. Or, the priority of the second communication system is higher than the priority of the first communication system, as an example, for example, the terminal device may be preset to have a priority of the WIFI communication system higher than the priority of the cellular communication system; as another example, For example, the terminal device may be preset so that the priority of the cellular communication system is higher than the priority of the cellular communication system.

As another implementation manner, the terminal device may also determine the priority relationship between the first communication system and the second communication system according to the service type of the service provided by the communication system, see FIG. 4, which is a terminal provided by an embodiment of the application. A schematic diagram of the flow of the device determining the priority relationship between the first communication system and the second communication system.

Specifically, step 301 may include: step 401, the terminal device obtains the first service type of the first service provided by the first communication system; step 402, the terminal device obtains the second service type of the second service provided by the second communication system; Step 403: The terminal device determines a communication system with a lower priority in the first communication system and the second communication system according to the first service type and the second service type. This solution ensures that the reception operation of higher priority services does not receive interference and provides users with a good user experience.

In the embodiment of the present application, the first service type may include network search, voice call, or data surfing, etc.; the second service type may include WIFI scanning, WIFI voice call, or WIFI hotspot, etc., which are not listed here.

In the embodiment of the present application, the device may store a service type rating table for determining the priority of the first communication system and the second communication system, and the service type rating table may include: and multiple services provided through the first communication system Corresponding multiple first service types and the priority of each first service type, and multiple second service types and the priority of each second service type corresponding to the multiple services provided by the second communication system, Wherein, the priority can be specifically expressed by a score.

See Table 2 below. Table 2 shows the different service types in the first communication system and the second communication system, and the scores corresponding to each service type.

Table 2

Referring to Table 2, the first service type of the first service provided by the first communication system may include flight mode, service monitoring and paging in the idle state, network search, voice call or other types of services, etc. The second communication system provides The second service type of the second service can include flight mode, standby, WIFI scan (scan) to obtain the setting page of the WIFI list, WIFI scan to achieve LBS-based assisted positioning or other types of services, etc., and each service type There is a score for the corresponding ones. Since the presentation form of Table 2 is clearer, we will not repeat it here. Generally speaking, the higher the score, the higher the priority. Therefore, the priority of a business type can be determined based on the score of a business type in Table 2. However, it should be understood that the service types included in the first communication system and the second communication system and the corresponding scores for each service type should be flexibly determined in accordance with the actual situation. Program.

Further, the communication system with lower priority in the first communication system and the second communication system may be determined for the application processor of the terminal device, and then transmitted to the communication processor; specifically, the application processor of the terminal device may transfer the first communication system to the communication processor. The priority relationship between a communication system and a second communication system is transmitted to the WIFI processor, and the WIFI processor is passed to the cellular processor; or, the application processor of the terminal device may change the priority of the first communication system and the second communication system The relationship is transmitted to the cellular processor, and the cellular processor is passed to the WIFI processor; or the application processor of the terminal device can transmit the priority relationship of the first communication system and the second communication system to the WIFI processor and the cellular processor at the same time The specific determination subject and transmission subject of the priority relationship between the first communication system and the second communication system can be determined in combination with the connection relationship between the processors in the terminal device, which is not limited here.

Step 302: The terminal device obtains the first operating frequency of the first communication system. As an implementation manner, the first operating frequency may include all operating frequencies of the first communication system, that is, the terminal device can obtain all operating frequencies of the first communication system in real time, specifically, the communication processor of the terminal device, specifically the cellular The processor can obtain all the operating frequencies of the first communication system in real time and report to the WIFI processor.

As another implementation manner, the first operating frequency may also only include operating frequencies that are at risk of interference with the second communication system among all operating frequencies of the first communication system. The terminal device can be preset with several frequency bands among all the working frequencies of the first communication system that may interfere with the second communication system, so that the terminal device can determine whether the first working frequency of the first communication system exists in the preset possibility In the frequency bands that may cause mutual interference, in the case that the first operating frequency exists in the frequency of the preset interference risk, the first operating frequency of the first communication system is acquired, specifically, the judgment operation and acquisition of the first operating frequency The operation may be executed by the communication processor of the terminal device, specifically the cellular processor, and then reported to the WIFI processor.

Step 303: The terminal device obtains the first bandwidth when the first communication system works at the first operating frequency. In this embodiment of the present application, step 303 is similar to step 302. Specifically, the acquisition operation of the first bandwidth may be reported to the WIFI processor by the communication processor of the terminal device, specifically the cellular processor. It should be understood that the embodiment of the present application does not limit the execution order of step 302 and step 303, and step 302 and step 303 may be executed at the same time, or step 302 may be executed first, and then step 303 may be executed.

Step 304: The terminal device obtains the second operating frequency of the second communication system. As an implementation, the second operating frequency may include all operating frequencies of the second communication system, that is, the terminal device can obtain all operating frequencies of the second communication system in real time, specifically, the communication processor of the terminal device, specifically WIFI The processor can obtain all the operating frequencies of the first communication system in real time and report to the cellular processor.

As another implementation manner, the second operating frequency may also only include operating frequencies that are at risk of interference with the first communication system among all operating frequencies of the second communication system. The terminal device can be preset with several frequency bands among all the operating frequencies of the second communication system that may interfere with the first communication system, so that the terminal device can determine whether the second operating frequency of the second communication system exists in the preset possibility In the frequency band that will cause mutual interference, and in the case of the preset interference risk frequency, the terminal device obtains the second working frequency of the second communication system, specifically, the judgment operation and acquisition operation of the second working frequency It can be executed by the communication processor of the terminal device, specifically the WIFI processor, and reported to the cellular processor.

Step 305: The terminal device obtains the second bandwidth when the second communication system works at the second operating frequency. In the embodiment of the present application, step 305 is similar to step 304. Specifically, the acquisition operation of the second bandwidth may be reported to the cellular processor by the communication processor of the terminal device, specifically the WIFI processor. It should be understood that the embodiment of the present application does not limit the execution order of step 304 and step 305, and step 304 and step 305 may be performed at the same time, or step 304 may be performed first, and then step 305 may be performed.

The embodiment of this application does not limit the execution order of step 302 and step 303, step 304 and step 305. Step 302 and step 303 can be executed first, and then step 304 and step 305 can be executed; or step 304 and step 305 can be executed first, and then executed Step 302 and step 303, or may be executed in parallel with each other.

Step 306: The terminal device determines whether the first operating frequency is located in one of the multiple first operating frequency bands, and whether the second operating frequency is located in one of the multiple second operating frequency bands, if the first operating frequency It is located in one of the multiple first operating frequency bands, and the second operating frequency is located in one of the multiple second operating frequency bands, go to step 307; if the first operating frequency is not located in the multiple first operating frequency bands If the frequency band is in one working frequency band, or the second working frequency is not located in one working frequency band of the multiple second working frequency bands, then step 309 is entered.

In the embodiment of the present application, the first working frequency band is one of multiple working frequency bands among the working frequencies of the first communication system that may interfere with the working frequency of the second communication system. As an example, the first working frequency band may be It is [2300～2350MHz), [2350～2390MHz) or [2390～2400MHz], etc. The second working frequency band is one of the multiple working frequency bands in the working frequency of the second communication system that has a risk of interference with the working frequency of the first communication system. As an example, the second working frequency band may be [2400, 2415) , [2415, 2460) or [2460, 2484] etc.

In the embodiment of the present application, a frequency relationship table may be pre-stored on the terminal device. The frequency relationship table includes at least each of the multiple first operating frequency bands and each of the multiple second operating frequency bands. The multiple working frequency bands included in the frequency relationship table can be obtained by those skilled in the art based on pre-interference judgment experiments. Furthermore, since the 2.4G frequency band and 5G frequency band in the WIFI communication system are at risk of interference with the working frequency of the cellular communication system, the 2.4G frequency band and 5G frequency band in the WIFI communication system may cause interference risks with different frequency bands of the cellular communication system. , The frequency relationship table may contain two frequency relationship sub-tables, one of the frequency relationship sub-tables may contain multiple first working frequency bands and second working frequency bands where the WIFI communication system and the cellular communication system are at risk of interference in the 2.4G frequency band. Frequency band, another frequency relationship sub-table may include multiple first working frequency bands and second working frequency bands where the WIFI communication system and the cellular communication system have a risk of interference in the 5G frequency band. It should be understood that with the development of communication technology, WIFI communication The system and the cellular communication system may also have interference between other frequency bands, and the interference frequency bands of which frequency bands are specifically included in the frequency relationship table are not limited here.

In the embodiment of the present application, after obtaining the first working frequency and the second working frequency, the terminal device may perform a judgment operation according to the preset frequency relationship table, that is, the terminal device may perform the judgment operation after obtaining the first working frequency and the second working frequency. After that, it can be determined according to the frequency relationship table whether the first working frequency belongs to one working frequency band among the multiple first working frequency bands, and the second working frequency belongs to one working frequency band among the multiple second working frequency bands. Only when the first working frequency and the second working frequency meet the mutual interference condition, interference avoidance is performed on the communication system with a lower priority to avoid the waste of communication resources.

Further, in the case of generating different frequency relationship sub-tables for different and discontinuous frequency bands of the second communication system, as an example, for example, two different frequency relation sub-tables may be generated for the 2.4G frequency band and the 5G frequency band of the WIFI communication system. Frequency relationship sub-table. Step 306 may specifically be as follows: after obtaining the first working frequency and the second working frequency, the terminal device may determine whether the first working frequency belongs to one of the multiple first working frequency bands, and the second working frequency It belongs to one working frequency band of the multiple second working frequency bands, and it is determined whether the frequency relation sub-table to which the first working frequency is located is the same as the frequency relation sub-table to which the second working frequency belongs.

Specifically, it may be the communication processor of the terminal device, specifically the cellular processor and the WIFI processor jointly perform the above-mentioned judgment operation of the first working frequency and the second working frequency, or only the priority of the cellular communication system and the WIFI communication system The processor of the high or low communication system performs the above-mentioned judgment operation of the first operating frequency and the second operating frequency, which can be specifically processed in combination with the actual situation of the terminal device, which is not limited here. It should be understood that step 306 is an optional step. If the frequency relationship table is not pre-stored on the terminal device, step 307 can be directly executed after step 305 is executed.

This embodiment of the application does not limit the execution order of step 301 and step 302 to step 306. Step 301 can be executed first, and then step 302 to step 306; or step 302 to step 306 can be executed first, and then step 301 can be executed. Can be executed in parallel.

Step 307: The terminal device judges whether the signal strength value of the received signal of the communication system with higher priority is less than the preset value, if it is less than the preset value, execute step 308; if it is greater than or equal to the preset value, execute step 309 .

In the embodiment of the present application, the terminal device can determine whether the signal strength value of the received signal of the communication system with higher priority is less than the preset value when it is determined that the operating frequencies of the first communication system and the second communication system interfere with each other. If the signal strength value of the received signal is less than the preset value, step 308 is entered, and if the signal strength value of the received signal is greater than or equal to the preset value, step 309 is entered. Only when the received signal of the communication system with higher priority is less than the preset value, interference avoidance is performed on the communication system with lower priority, that is, the receiving operation of the communication system with higher priority is guaranteed On the premise of being free from interference, try to reduce the interference to the normal communication of lower priority and avoid the waste of communication resources.

When the frequency combination of the first working frequency of the first communication system and the second working frequency of the second communication system are different, the preset value of the signal strength may be different. As an example, it may be a communication with a higher priority. The higher the working frequency of the system, the larger the preset value of signal strength can be; as another example, for example, the closer the frequencies of the first working frequency and the second working frequency are, the larger the preset value of signal strength can be Wait.

Further, when the higher priority communication systems are different, the preset value of signal strength can be the same or different, that is, when the higher priority communication systems are the WIFI communication system and the cellular communication system respectively , The size of the preset value of signal strength can be different, as an example, for example, when the higher priority communication system is a WIFI communication system, the preset value of signal strength can be -85dBm, -80dBm or other values; as another An example, for example, when the higher priority communication system is a cellular communication system, the preset value of signal strength can be -86dBm, -83dBm or other values, etc. It should be understood that this is only an example, and the signal strength value is specifically An example of the preset value of is not limited here.

Specifically, the judging operation of judging whether the signal strength value of the received signal of the communication system with higher priority is less than the preset value can be performed by the communication processor of the terminal device, and more specifically, can be performed by the cellular processor and the WIFI processor. Simultaneous execution, or only by the processor of the communication system with a higher priority, or only by the processor of the communication system with a lower priority, is not specifically limited here.

It should be understood that step 307 is an optional step. If step 307 exists, step 307 is executed in order; if step 307 does not exist, step 308 can be executed directly after step 306 is executed.

Step 308: The terminal device performs interference avoidance on the communication system with a lower priority according to the first working frequency and the second working frequency. In the embodiment of this application, the specific implementation means of interference avoidance include reducing the transmission power or turning off the transmission function. Specifically, each time the reduction of the transmission power is performed, a fixed transmission power value can be reduced; the reduction can also be flexibly determined in accordance with the actual situation. The transmit power value of, for example, may be that the greater the degree of interference between the first communication system and the second communication system, the higher the reduced transmit power value. More specifically, with the continuous development of new communication technologies, carriers corresponding to different operating frequencies can be divided into primary carriers and secondary carriers. The combination of primary and secondary carriers gradually increases. The specific implementation method for reducing the transmission power can be Reduce the transmit power of the auxiliary carrier.

As an implementation manner, in the case that step 307 does not exist, that is, there is no preset frequency relationship table on the terminal device, the terminal device may be pre-stored to determine whether the first working frequency and the second working frequency are mutually exclusive. The interference judgment rule is to reduce the transmission power or turn off the transmission function for the communication system with a lower priority when it is determined that there is mutual interference between the first working frequency and the second working frequency. Wherein, the judgment rule may include that the frequency difference between the first working frequency and the second working frequency is lower than a certain threshold and/or other types of judgment rules.

As another implementation manner, in the case of step 307, a frequency relationship table may be pre-stored on the terminal device, and the frequency relationship table contains each of the multiple first operating frequency bands and multiple second operating frequency bands. Further, the frequency relationship table may also include a transmission power value corresponding to each first working frequency band and each second working frequency band or an instruction to turn off the transmitting function. According to the first working frequency, the second working frequency, and the preset frequency relation table, the terminal device performs the function of reducing the transmission power or turning off the transmission on the communication system with lower priority, and judges the first working frequency and the second working frequency by looking up the table. The working frequencies interfere with each other, which not only shortens the judgment time of the terminal equipment, but also the preset frequency relationship table is determined by those skilled in the art according to the interference experiment statistics in advance, which improves the rigor of the judgment process.

Optionally, the frequency relationship table may also include at least one third bandwidth corresponding to each first frequency band, at least one fourth bandwidth corresponding to each first frequency band, and at least one third bandwidth corresponding to each first frequency band and each third frequency band. Bandwidth, the transmission power value corresponding to each second frequency band and each fourth bandwidth, or an indication to turn off the transmission function, where the transmission power value contained in the frequency relationship table can be the transmission power value that needs to be reduced, or it can be the actual The upper limit of the transmit power value. The frequency relationship table may also contain other information, as an example, such as a preset value for judging whether the received signal is a weak signal or other types of information, etc., which are not listed here.

Optionally, when the communication systems with higher priority are different, the corresponding frequency relationship tables may be different, that is, when the communication systems with higher priority are the cellular communication system and the WIFI communication system, there may be Two different frequency relationship tables, below, in conjunction with Table 3, the specific presentation form of the frequency relationship tables will be described in detail.

table 3

In Table 3, Table 3 shows the correspondence between one working frequency band and the second working frequency band among multiple first working frequency bands. One first working frequency band corresponds to 7 bandwidths, namely: 5MHz, 10MHz, 15MHz, 20MHz, 40MHz, 60MHz, 100MHz. The working frequency of the second communication system is divided into five second working frequency bands, namely frequency band 1 to frequency band 5. Each second working frequency band corresponds to 4 bandwidths, namely: 20MHz, 40MHz, 80MHz and 160MHz. Further, taking the communication system with a higher priority shown in Table 3 as the first communication system as an example, the preset value in Table 3 refers to when the signal strength value of the received signal of the first communication system is lower than At the preset value, interference avoidance is performed on the second communication system, where the values of threshold 1, threshold 2, threshold 3, and threshold 4 can be the same or different, and can be set by those skilled in the art according to actual conditions. . The 3dB drop, 5dB drop or 6dB drop in Table 3 are the transmit power values corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth. The transmission power value is an example of the transmission power value that needs to be reduced. The transmission power value may also be the upper limit of the actual transmission power value, and the specific value of the transmission power value is not limited here. The shutdown in Table 3 indicates that the terminal device shuts down the transmission function of the communication system with a lower priority.

There are multiple first working frequency bands in the first communication system, and each first working frequency band may correspond to a table as shown in Table 3, or the tables corresponding to multiple first frequency bands of the first communication system may be combined to form one table. Further, the second communication system may not only include the second working frequency band 1 to the second working frequency band 5. For example, the second working frequency band 1 to the second working frequency band 5 may only include the working frequency of the WIFI communication system in the 2.4G frequency band, then The terminal device may also set a similar table for the 5G frequency band of the WIFI communication system, or combine the tables of the second communication system in each frequency band to form one table. In Table 3, only one first working frequency band is taken as an example to illustrate the content included in the preset frequency relationship table. However, it should be understood that the distance in Table 3 is only to facilitate understanding of the solution and is not used to limit the present invention.

As an implementation manner, the executive body that performs interference avoidance on a communication system with a lower priority may be a processor of a communication system with a higher priority. As an example, for example, a WIFI communication system has a higher priority than a cellular communication system , The processor of the WIFI communication system can control the hardware that performs cellular communication to reduce the transmission power or close the transmission function. Since the processor of the higher priority communication system can determine whether there is interference between the two communication systems at the first time, the processor of the higher priority communication system performs interference avoidance, which is beneficial to timely eliminate the interference to the higher priority Business interference.

As another implementation manner, the executive body that performs interference avoidance on a communication system with a lower priority may be a processor of a communication system with a lower priority. As an example, for example, the priority of a WIFI communication system is higher than that of cellular communication. System, the processor of the cellular communication system can control the hardware that executes cellular communication to reduce the transmission power or turn off the transmission function. In some terminal devices, the processor of the high-priority communication system may be incompatible with the hardware of the low-priority communication system. The processor of the low-priority communication system performs interference avoidance, which helps avoid incompatibility. The occurrence of this situation expands the application scenarios of this solution.

In the embodiment of this application, after the terminal device obtains the first working frequency and the first bandwidth, the second working frequency and the second bandwidth, it can combine the preset frequency relationship table to flexibly determine the transmission power value to be reduced or determine the need Turn off the transmission function of the communication system with lower priority. Furthermore, in the case of different working bandwidths, the value of the transmission power that needs to be reduced is also different, so that each specific working bandwidth can be combined to determine the transmission power that needs to be reduced. If the degree of mutual interference between the two communication systems is low, the value of the transmission power that needs to be reduced can be lower; if the degree of mutual interference between the two communication systems is high, the value of the transmission power that needs to be reduced can be higher, so as to avoid The waste of frequency resources in lower priority communication systems.

It should be understood that step 303 and step 305 are optional steps. If the bandwidth is fixed and cannot be adjusted, or the method is executed only for a specific bandwidth, the preset frequency relationship table does not exist with each third bandwidth and each third bandwidth. For the transmission power value corresponding to the fourth bandwidth or the instruction to turn off the transmission function, step 303 and step 305 need not be performed.

Step 309: The terminal device does not perform interference avoidance, or may perform other operations, such as a communication processing procedure in the prior art. In the embodiment of this application, the terminal device obtains the priority of the cellular communication system and other communication systems, and reduces the transmission power of the communication system with a lower priority or turns off the transmission function according to the working frequencies of the two, thereby ensuring a higher priority. The receiving operation of the priority communication system is not disturbed. Since the aforementioned solution does not need to be implemented by hardware, the increase in hardware cost and PCB area is avoided.

The following gives a specific embodiment to illustrate the method of the foregoing embodiment of the present application in detail. In this embodiment, the terminal device includes an application processor and a communication processor. The terminal device is turned on and running, the terminal device is making a voice call through the first communication system, and the type of service provided through the second communication system is a transmission file in P2P. In this embodiment, the first working frequency (f1) of the first communication system is 2375MHz, the first bandwidth (BW1) is 10MHz, the signal strength of the received signal of the first communication system is -86dBm, and the first communication system The signal strength of the transmitted signal is 30dBm; the second working frequency (f1) of the second communication system is 2465MHz, the first bandwidth (BW1) is 40MHz, the signal strength of the received signal of the second communication system is -70dBm, the first communication system The signal strength of the transmitted signal is 30dBm. The application processor of the terminal device obtains the first working type of the first communication system and the second working type of the second communication system, and determines that the priority of the first communication system is higher than the priority of the second communication system in combination with the foregoing Table 2. And inform the communication processor. The communication processor is required to determine whether the first operating frequency and the second operating frequency interfere with each other in combination with the frequency relationship table, and, if interference is determined to exist, determine the interference means performed on the second communication system. In this embodiment, three frequency relationship tables are exemplified, which are Table 4 to Table 6. Table 4

table 5

Table 6

Tables 4 to 6 show the correspondence between the first working frequency bands (1 to 3) and the second working frequency bands. Specifically, the first working frequency band 1 in Table 4 is [2300-2350), the first working frequency band in Table 5 is [2350-2390 MHz), and the first working frequency band 3 in Table 6 is [2390-2400 MHz). Wherein "[" and "]" means including end value or critical value, "(" and ")" means not including end value or critical value. The second working frequency band includes 3 different frequency ranges, namely: the second working frequency band 1 is [2400, 2415), the second working frequency band 2 is [2415, 2460), and the second working frequency band 3 is [2460, 2484] .

The communication processor obtains that the first operating frequency is 2375MHz, and locates the judgment table as Table 5. Since the second operating frequency is 2465MHz, there is interference between the first communication system and the second communication system, and the communication processor obtains the first If the strength of the received signal of the communication system is -86dBm, it is necessary to perform interference avoidance on the second communication system. According to the first operating frequency of 2375MHz, the first bandwidth of 10MHz, and the second operating frequency of 2465MHz, the second bandwidth of 40MHz, and Table 5, the communication processor determines that the transmission power of the second communication system needs to be reduced by 7dB, that is, the transmission power of the second communication system Reduced from 30dBm to 23dBm.

In the method provided in this embodiment, the application processor determines the priority of the first communication system and the second communication system, and informs the communication processor, and according to the working frequency and bandwidth of the two, reduces the communication system with lower priority. Transmit power or turn off the transmit function, so as to ensure that the receiving operation of the higher priority communication system is not interfered. Since the foregoing solution does not need to be implemented by hardware, it avoids the increase in hardware cost and PCB area.

In order to better implement the foregoing solutions of the embodiments of the present application, the following also provides related devices for implementing the foregoing solutions. For details, refer to FIG. 5. FIG. 5 is a schematic structural diagram of an apparatus for reducing interference between different communication systems in a device according to an embodiment of the application. The apparatus 500 includes a determining unit 501, an acquiring unit 502, and a processing unit 503. The determining unit 501 is configured to determine a communication system with a lower priority in the first communication system and the second communication system, where the first communication system is a cellular communication system, and the second communication system is of another type except the cellular communication system The acquisition unit 502 is used to obtain the first operating frequency of the first communication system; the acquisition unit 502 is also used to obtain the second operating frequency of the second communication system; the processing unit 503 is used to obtain the first operating frequency The frequency and the second working frequency implement interference avoidance on communication systems with lower priority. The interference avoidance includes: reducing the transmission power or turning off the transmission function.

In the embodiment of the present application, the determining unit 501 determines the priorities of the first communication system and the second communication system, and the processing unit 503 reduces the transmission power of the communication system with a lower priority or turns off the transmission according to the working frequencies of the two. This function ensures that the receiving operation of the higher priority communication system is not interfered. Since the aforementioned solution does not need to be implemented by hardware, the increase in hardware cost and PCB area is avoided. At least one of the above determining unit 501, acquiring unit 502, and processing unit 503 may be implemented by software, hardware, or a combination of software and hardware. The software can be stored in a storage medium and executed by a hardware circuit, such as a processor. The hardware may include a hardware circuit, a processor that executes software, a processing unit, or a hardware accelerator.

In a possible design, the determining unit 501 is specifically configured to obtain the first service type of the first service provided by the first communication system; obtain the second service type of the second service provided by the second communication system; The service type and the second service type determine the communication system with a lower priority in the first communication system and the second communication system. In a possible design, the processing unit 503 is specifically configured to perform interference avoidance on a communication system with a lower priority according to the first operating frequency, the second operating frequency, and a preset frequency relationship table. In a possible design, the frequency relationship table includes: multiple first working frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, and multiple second working frequency bands of the second communication system And at least one fourth bandwidth corresponding to each first frequency band, the transmit power value corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth, or turn off the transmitting function Indication; the acquiring unit 502 is also used to acquire the first bandwidth when the first communication system is working at the first operating frequency; acquiring the second bandwidth when the second communication system is working at the second operating frequency; the processing unit 503, specifically It is used to determine the transmission power value or an instruction to turn off the transmission function according to the first working frequency and the first bandwidth, the second working frequency and the second bandwidth, and the frequency relationship table.

In a possible design, the processing unit 503 is further configured to determine whether the first operating frequency is located in multiple communication systems before performing interference avoidance on a communication system with a lower priority according to the first operating frequency and the second operating frequency. Within one working frequency band in the first working frequency band, and whether the second working frequency is located in one working frequency band among the multiple second working frequency bands; when the first working frequency is located in one working frequency band among the multiple first working frequency bands, And when the second operating frequency is located in one of the multiple second operating frequency bands, triggering the interference avoidance to the communication system with lower priority according to the first operating frequency and the second operating frequency.

In a possible design, the processing unit 503 is specifically configured to perform the processing when the signal strength value of the received signal of the communication system with higher priority in the first communication system and the second communication system is less than the preset value. The communication system with lower priority performs interference avoidance. In a possible design, the second communication system is a wireless fidelity WIFI communication system.

It should be noted that the information interaction and execution process between the various modules/units of the above-mentioned device are based on the same concept as the method embodiment of this application, and the technical effect brought by it is the same as that of the method embodiment of this application, and the specific content may be Please refer to the description in the method embodiment shown in the foregoing application, which will not be repeated here.

Next, a communication device provided by an embodiment of the present application will be introduced. Please refer to FIG. 2, which is a schematic structural diagram of the communication device provided by an embodiment of the present application. The terminal device 200 includes a receiver 201, a transmitter 202, and a processor. The processor 203 and the memory 204 (the number of processors 203 in the terminal device 200 may be one or more, and one processor is taken as an example in FIG. 2), where the processor 203 may include an application processor 2031 and a communication processor 2032 . In some embodiments of the present application, the receiver 201, the transmitter 202, the processor 203, and the memory 204 may be connected by a bus or other methods.

The memory 204 may include a read-only memory and a random access memory, and provides instructions and data to the processor 203. A part of the memory 204 may also include a non-volatile random access memory (NVRAM). The memory 204 stores a processor and operating instructions, executable modules or data structures, or a subset of them, or an extended set of them, where the operating instructions may include various operating instructions for implementing various operations.

The processor 203 controls the operation of the terminal device. In a specific application, the various components of the terminal device are coupled together through a bus system. In addition to the data bus, the bus system may also include a power bus, a control bus, and a status signal bus. However, for clear description, various buses are referred to as bus systems in the figure.

The method disclosed in the foregoing embodiment of the present application may be applied to the processor 203 or implemented by the processor 203. The processor 203 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 203 or instructions in the form of software. The aforementioned processor 203 may be a general-purpose processor, a digital signal processing (DSP), a microprocessor or a microcontroller, and may further include an application specific integrated circuit (ASIC), field programmable Field-programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The processor 203 can implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers. The storage medium is located in the memory 204, and the processor 203 reads the information in the memory 204, and completes the steps of the above method in combination with its hardware.

The receiver 201 can be used to receive input digital or character information, and generate signal input related to the relevant settings and function control of the terminal device. The transmitter 202 can be used to output digital or character information through the first interface; the transmitter 202 can also be used to send instructions to the disk group through the first interface to modify the data in the disk group; the transmitter 202 can also include display devices such as a display screen .

In the embodiment of the present application, the processor 203 is configured to execute the aforementioned method for reducing interference between different communication systems in the device executed by the terminal device. Specifically, the application processor 2031 is configured to determine a communication system with a lower priority in the first communication system and the second communication system, where the first communication system is a cellular communication system, and the second communication system is a communication system. Other types of communication systems other than the cellular communication system; a communication processor 2032 for obtaining the first operating frequency of the first communication system, and obtaining the second operating frequency of the second communication system, and also for According to the first operating frequency and the second operating frequency, interference avoidance is performed on the communication system with a lower priority, and the interference avoidance includes: reducing transmission power or turning off a transmission function.

In the embodiment of the present application, the application processor 2031 determines the priorities of the first communication system and the second communication system, and the communication processor 2032 reduces the transmission power of the communication system with a lower priority according to the working frequencies of the two or Turn off the transmitting function, thereby ensuring that the receiving operation of the higher priority communication system is not interfered. Since the aforementioned solution does not need to be implemented by hardware, it avoids the increase in hardware cost and PCB area.

In a possible design, the application processor 2031 is specifically configured to obtain the first service type of the first service provided by the first communication system; obtain the second service type of the second service provided by the second communication system; A service type and a second service type determine the communication system with a lower priority in the first communication system and the second communication system.

In a possible design, the communication processor 2032 is specifically configured to perform interference avoidance on a communication system with a lower priority according to the first operating frequency, the second operating frequency, and a preset frequency relationship table.

Specifically, the communication processor 2032 may include a first processor for processing communication services of the first communication system and a second processor for processing communication services of the second communication system. The communication processor 2032 performs interference avoidance methods. Specifically, it may include any one or a combination of the following: a processor of a communication system with a higher priority performs interference avoidance on a communication system with a lower priority, or a pair of processors of a communication system with a lower priority The communication system with lower priority performs interference avoidance.

In a possible design, the frequency relationship table includes: multiple first working frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, and multiple second working frequency bands of the second communication system And at least one fourth bandwidth corresponding to each first frequency band, the transmit power value corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth, or turn off the transmitting function Instructions.

The communication processor 2032 is further configured to obtain the first bandwidth when the first communication system is working at the first working frequency, and to obtain the second bandwidth when the second communication system is working at the second working frequency, and according to the first The working frequency and the first bandwidth, the second working frequency and the second bandwidth, and the frequency relationship table determine the transmission power value or an instruction to turn off the transmission function.

In a possible design, the communication processor 2032 is also used to determine whether the first operating frequency is located in a higher priority before performing interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency. In one of the first working frequency bands, and whether the second working frequency is located in one of the multiple second working frequency bands; and whether the first working frequency is located in one of the multiple first working frequency bands If the second operating frequency is located in one of the multiple second operating frequency bands, triggering the interference avoidance to the communication system with lower priority according to the first operating frequency and the second operating frequency.

In a possible design, the communication processor 2032 is specifically used in the case where the signal strength value of the received signal of the communication system with higher priority in the first communication system and the second communication system is less than the preset value, Perform interference avoidance on communication systems with lower priority. In a possible design, the second communication system is a wireless fidelity WIFI communication system.

In the above embodiments, the functions or operations of the application processor 2031 can be performed by the communication processor 2032 instead, that is, the method flow of this embodiment is mainly implemented in the communication processor 2032, and the application processor 2031 can only play a control role. , Such as controlling the working state of the communication processor 2032. Specifically, the communication processor 2032 obtains program instructions from the memory 204 and executes the instructions to implement each step and function of the method flow.

Next, a communication processor provided by an embodiment of the present application is introduced. The communication processor is specifically represented as an independent communication chip in hardware for supporting terminal equipment to implement the communication processor 2031 in the embodiment described in FIG. 2 The functions involved, such as processing or sending the data and/or information involved in the above embodiments. In a possible design, the communication chip may also include a memory for storing necessary program instructions and data.

The embodiment of the present application also provides a computer program product that includes instructions to reduce interference between different communication systems in the device. When it runs on a computer, the computer can execute the instructions described in the embodiment shown in FIG. 3 or FIG. The steps performed by the terminal device in the method.

The embodiments of the present application also provide a computer-readable storage medium, which stores instructions for transferring between communication systems. When it runs on a computer, the computer executes the instructions as shown in Figure 3 or Figure 4 above. The steps performed by the terminal device in the method described in the embodiment are shown.

Through the description of the above embodiments, those skilled in the art can clearly understand that this application can be implemented by means of software plus necessary general hardware. Of course, it can also be implemented by dedicated hardware including dedicated integrated circuits, dedicated CPUs, dedicated memory, Dedicated components and so on to achieve. Under normal circumstances, all functions completed by computer programs can be easily implemented with corresponding hardware. Moreover, the specific hardware structure used to achieve the same function can also be diverse, such as analog circuits, digital circuits or dedicated Circuit etc. However, for this application, software program implementation is a better implementation in more cases. Based on this understanding, the technical solution of this application essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product is stored in a readable storage medium, such as a computer floppy disk. , U disk, transfer hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc., including several instructions to make a computer device (which can be A personal computer, server, or network device, etc.) execute the method described in each embodiment of the present application.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in the form of a computer program product in whole or in part. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be stored by a computer or a data storage device such as a server or a data center integrated with one or more available media. The usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).

Claims

A method for reducing interference between different communication systems in a device, characterized in that it includes:

Determine the communication system with the lower priority of the first communication system and the second communication system, wherein the first communication system is a cellular communication system, and the second communication system is a communication system of other types than the cellular communication system system;

Acquiring the first working frequency of the first communication system;

Acquiring the second working frequency of the second communication system;

According to the first operating frequency and the second operating frequency, interference avoidance is performed on the communication system with a lower priority, and the interference avoidance includes: reducing transmission power or turning off a transmission function.
The method according to claim 1, wherein said determining the communication system having a lower priority in the first communication system and the second communication system comprises:

Acquiring the first service type of the first service provided by the first communication system;

Acquiring the second service type of the second service provided by the second communication system;

According to the first service type and the second service type, a communication system having a lower priority among the first communication system and the second communication system is determined.
The method of claim 1 or 2, wherein:

The performing interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency includes:

Perform interference avoidance on the communication system with a lower priority according to the first operating frequency, the second operating frequency, and a preset frequency relationship table.
The method according to claim 3, wherein the frequency relationship table comprises: a plurality of first working frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, and The multiple second working frequency bands of the second communication system and at least one fourth bandwidth corresponding to each first frequency band are connected to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth Corresponding transmission power value or instruction to turn off the transmission function;

The method also includes:

Acquiring a first bandwidth when the first communication system works at the first operating frequency;

Acquiring a second bandwidth when the second communication system works at the second operating frequency;

The performing interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency includes:

According to the first working frequency and the first bandwidth, the second working frequency and the second bandwidth, and the frequency relationship table, the transmission power value or the instruction to turn off the transmission function is determined.
The method according to claim 4, characterized in that, before the interference avoidance is performed on the communication system with a lower priority according to the first operating frequency and the second operating frequency, the method Also includes:

Determining whether the first operating frequency is located in one of the multiple first operating frequency bands, and whether the second operating frequency is located in one of the multiple second operating frequency bands;

When the first operating frequency is located in one of the multiple first operating frequency bands, and the second operating frequency is located in one of the multiple second operating frequency bands, trigger According to the first operating frequency and the second operating frequency, interference avoidance is performed on the communication system with a lower priority.
The method according to any one of claims 1-5, wherein the performing interference avoidance on the communication system with a lower priority comprises:

In the case where the signal strength value of the received signal of the communication system with the higher priority in the first communication system and the second communication system is less than the preset value, execute the communication system with the lower priority Interference avoidance.
The method according to any one of claims 1-6, wherein the second communication system is a wireless fidelity WIFI communication system.
A device for reducing interference between different communication systems in equipment, characterized in that the device includes:

The determining unit is used to determine a communication system with a lower priority in the first communication system and the second communication system, wherein the first communication system is a cellular communication system, and the second communication system is a system other than the cellular communication system. Other types of communication systems;

An obtaining unit, configured to obtain the first working frequency of the first communication system;

The acquiring unit is further configured to acquire the second working frequency of the second communication system;

The processing unit is configured to perform interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency, and the interference avoidance includes: reducing transmission power or turning off a transmission function.
The device according to claim 8, wherein:

The determining unit is specifically configured to obtain a first service type of a first service provided by the first communication system; obtain a second service type of a second service provided by the second communication system; according to the first service The type and the second service type determine a communication system having a lower priority in the first communication system and the second communication system.
The device according to claim 8 or 9, characterized in that:

The processing unit is specifically configured to perform interference avoidance on the communication system with a lower priority according to the first operating frequency, the second operating frequency, and a preset frequency relationship table.
The apparatus according to claim 10, wherein the frequency relationship table comprises: a plurality of first working frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, and The multiple second working frequency bands of the second communication system and at least one fourth bandwidth corresponding to each first frequency band are connected to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth Corresponding transmission power value or instruction to turn off the transmission function;

The acquiring unit is further configured to acquire the first bandwidth when the first communication system is working at the first working frequency; and to acquire the second bandwidth when the second communication system is working at the second working frequency. bandwidth;

The processing unit is specifically configured to determine the transmission power value or the transmission function disabled according to the first working frequency and the first bandwidth, the second working frequency and the second bandwidth, and the frequency relationship table Instructions.
The device according to claim 11, wherein:

The processing unit is further configured to determine whether the first operating frequency is performed before the interference avoidance is performed on the communication system with a lower priority according to the first operating frequency and the second operating frequency Is located in one of the multiple first operating frequency bands, and whether the second operating frequency is located in one of the multiple second operating frequency bands; when the first operating frequency is located in the In the case that the second operating frequency is within one of the multiple first operating frequency bands and the second operating frequency is located within one of the multiple second operating frequency bands, the trigger is triggered according to the first operating frequency and the The second operating frequency performs interference avoidance on the communication system with a lower priority.
The device according to any one of claims 8-12, wherein:

The processing unit is specifically configured to: when the signal strength value of the received signal of the communication system with higher priority in the first communication system and the second communication system is less than a preset value, The lower priority communication system performs interference avoidance.
The device according to any one of claims 8-13, wherein the second communication system is a wireless fidelity WIFI communication system.
A communication device includes a processor and a memory, the processor is coupled with the memory, and is characterized in that:

The memory is used to store instructions;

The processor is configured to execute instructions in the memory, so that the communication device executes the method according to any one of claims 1 to 7.