CN112005506B

CN112005506B - Method, device and equipment for reducing interference between different communication systems in equipment

Info

Publication number: CN112005506B
Application number: CN201980009587.3A
Authority: CN
Inventors: 夏正山; 蓝元皓; 沈丽; 周鹏; 丁仁天
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2021-12-31
Anticipated expiration: 2039-03-26
Also published as: CN112005506A; WO2020191604A1

Abstract

A method, a device and equipment for reducing interference among different communication systems in equipment are used for reducing communication interference without obviously increasing hardware cost. The method comprises the following steps: determining a communication system with a lower priority level in a first communication system and a 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 except the cellular communication system; acquiring a first working frequency of a first communication system; acquiring a second working frequency of a second communication system; performing interference avoidance on the communication system with the lower priority according to the first operating frequency and the second operating frequency, the interference avoidance including: reduce the transmit power or turn off the transmit function.

Description

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

Technical Field

The present invention relates to the field of communications, and in particular, to a method, an apparatus, and a device for reducing interference between different communication systems in a device.

Background

With the advent of the fifth generation (5G) communication era, 5G brings faster data transmission rate and better user experience to us, and simultaneously brings design difficulties and challenges of coexistence of a cellular communication system and a wireless fidelity (WIFI) communication system. Specifically, in one device, the probability that the operating frequency of the cellular communication system and the operating frequency of the WIFI communication system interfere with each other is further increased, so that when the operating frequency of a transmission signal used by one party and the operating frequency of a reception signal of the other party interfere with each other, a service of the receiving party may be affected, for example, when the operating frequency of a general data internet access operation performed by the WIFI communication system and the operating frequency of a paging (paging) message monitored by the cellular communication system in an Idle state (Idle) interfere with each other, a data transmission operation of the WIFI communication system may cause the cellular communication system to drop an incoming call.

The prior art discloses a method for controlling coexistence of a cellular communication system and a WIFI communication system, each radio frequency channel of the cellular communication system and the WIFI communication system of the terminal device may be provided with a bandwidth selection filter and a full-band filter in advance, the radio frequency channel provided with the bandwidth selection filter is divided into radio frequency channels with bandwidth loss, and dividing the radio frequency channel provided with the full-band filter into full-band radio frequency channels, judging whether the difference value between the frequency of the cellular communication system and the frequency of the pre-stored WIFI communication system is within a preset frequency difference value range or not by the terminal equipment according to the acquired frequency information of the cellular communication system, if so, setting the radio frequency channel with bandwidth loss as a radio frequency channel of a WIFI communication system, and setting a full-band radio frequency channel as a radio frequency channel of a cellular communication system; and if the judgment result is negative, setting the radio frequency channel with bandwidth loss as the radio frequency channel of the cellular communication system, and setting the full-band radio frequency channel as the radio frequency channel of the WIFI communication system.

However, in the prior art, the revenue frequency band is relatively single, and when a plurality of working frequency bands interfere with the working frequency band of the WIFI communication system, a bandwidth selection filter and a full-band filter need to be added to the radio frequency channel corresponding to each working frequency band with interference risk, which not only increases the hardware cost, but also increases the area of a Printed Circuit Board (PCB). Taking the cellular communication system as an example of a 5G system, since a working frequency band of the WIFI communication system at 5GHz is newly added, adjacent frequency interference between the WIFI communication system 5GHz and frequency bands n77 and n79 in the cellular communication system, co-frequency interference between the WIFI communication system 5GHz and a Licensed Assisted Access (LAA) frequency band, a long term evolution-unlicensed (LTE-U) frequency band, or an enhanced licensed assisted access (edaa) frequency band in the cellular communication system, and the like are introduced, if a solution in the prior art is adopted, hardware cost and PCB area are greatly increased.

Disclosure of Invention

The embodiment of the application provides a method, a device and equipment for reducing interference among different communication systems in equipment, which are used for reducing communication interference without obviously increasing hardware cost.

In a first aspect, an embodiment of the present application provides a method for reducing interference between different communication systems in a device. The terminal device may determine a communication system having a lower priority from among a first communication system and a second communication system, wherein the first communication system is a cellular communication system, the second communication system is a communication system of another type other than the cellular communication system, and perform interference avoidance on the communication system having the lower priority according to a first operating frequency and a second operating frequency after acquiring the first operating frequency of the first communication system and the second operating frequency of the second communication system, the interference avoidance including: and reducing the transmission power or turning off the transmission function, wherein the same transmission power value can be reduced or different transmission power values can be reduced aiming at the combination of different first operating frequency and second operating frequency.

In the method, the terminal equipment acquires the priorities of the cellular communication system and other communication systems, and reduces the transmitting power of the communication system with lower priority or closes the transmitting function according to the working frequencies of the cellular communication system and other communication systems, so that the receiving operation of the communication system with higher priority is not interfered.

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

In the method and the device, the priorities of the first communication system and the second communication system are 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, so that the receiving operation of the service with higher priority is ensured not to be interfered, and good user experience is provided for a user.

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, where the service type rating table includes: a plurality of first service types and a priority of each first service type corresponding to a plurality of services provided through the first communication system, and a plurality of second service types and a priority of each second service type corresponding to a plurality of services provided through the second communication system.

In one possible implementation manner, the performing, by the terminal device, interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency may include: the terminal device performs interference avoidance on the communication system with a lower priority according to the first working frequency, the second working frequency and a preset frequency relation table, wherein the preset frequency relation table at least comprises a plurality of first working frequency bands of the first communication system and a plurality of second working frequency bands of the second communication system, the first working frequency bands are a plurality of working frequency bands with interference risks in the working frequency bands of the first communication system, and the second working frequency bands are a plurality of working frequency bands with interference risks in the working frequency bands of the second communication system.

In the method, the first working frequency and the second working frequency are judged to be mutually interfered in a table look-up mode, so that the judgment time of the terminal equipment is shortened, and the preset frequency relation table is determined by a person skilled in the art according to the preset interference experiment statistics, so that the rigor of the judgment process is improved.

In one possible implementation manner, a frequency relation table may be preset on the terminal device, and includes: a plurality of first operating frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, a plurality of second operating frequency bands of the second communication system and at least one fourth bandwidth corresponding to each first frequency band, a transmission power value corresponding to each first frequency band, each third bandwidth, each second frequency band and each fourth bandwidth or an indication to turn off the transmission function.

The terminal device may further obtain a first bandwidth when the first communication system operates at the first operating frequency and a second bandwidth when the second communication system operates at the second operating frequency, and determine the transmission power value or the indication for turning off the transmission function according to the first operating frequency, the first bandwidth, the second operating frequency, the second bandwidth, and the frequency relationship table, where the smaller the difference between the first operating frequency and the second operating frequency, the larger the transmission power value that needs to be reduced.

In the application, the terminal device may flexibly determine whether to reduce the transmission power or to close the transmission function in combination with the working bandwidths of the first communication system and the second communication system, and further, the transmission power values to be reduced are different under the condition of different working bandwidths, so that the transmission power values to be reduced may be determined in combination with each specific working bandwidth, and if the mutual interference degree of the two communication systems is low, the transmission power values to be reduced may be lower; if the mutual interference degree of the two communication systems is high, the transmission power value required to be reduced can be higher, so that the waste of frequency resources of the communication system with lower priority is avoided.

In one 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 determine whether the first operating frequency is located in one of the plurality of first operating frequency bands and whether the second operating frequency is located in one of the plurality of second operating frequency bands according to a preset frequency relationship table, and under the condition that the first operating frequency is located in one of the plurality of first operating frequency bands and the second operating frequency is located in one of the plurality of second operating frequency bands, trigger execution of interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency.

In the application, the terminal device executes interference avoidance on the communication system with lower priority only when the first working frequency and the second working frequency meet the mutual interference condition, so that waste of communication resources is avoided.

In one possible implementation, the performing, by the terminal device, interference avoidance on the communication system with the lower priority may specifically include: and the terminal equipment executes interference avoidance on the communication system with lower priority under the condition that 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 smaller than a preset value.

In the application, the terminal device performs interference avoidance on the communication system with the lower priority only when the received signal of the communication system with the higher priority is smaller than the preset value, that is, on the premise of ensuring that the receiving operation of the communication system with the higher priority is not interfered, the interference on the normal communication with the lower priority is reduced as much as possible, and the waste of communication resources is avoided.

In one possible implementation, the second communication system is a WIFI communication system.

In a second aspect, an apparatus for reducing interference between different communication systems in a device according to an embodiment of the present application includes: the apparatus comprises means for performing the method steps of the first aspect described above and of various implementations of the first aspect. Specifically, the device comprises a determining unit, an acquiring unit and a processing unit, and in addition, other modules or units such as a storage module can be further included.

In a third aspect, an embodiment of the present application provides a communication device, where the communication device may include an entity such as a terminal device or a chip, and the communication device includes: a processor, a memory; the memory is to store instructions; the processor is configured to execute the instructions in the memory to cause the communication device to perform the method of any of the preceding first aspects.

In a fourth aspect, embodiments of the present application provide a computer-readable storage medium having stored therein instructions, which, when executed on a computer or processor, cause the computer or processor to perform the method of the first aspect.

In a fifth aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer or processor, cause the computer or processor to perform the method of the first aspect.

In a sixth aspect, the present application provides a chip system comprising a processor for enabling a communication device to implement the functions referred to in the above aspects, e.g. to transmit or process data and/or information referred to in the above methods. In one possible design, the system-on-chip further includes a memory for storing program instructions and data necessary for the communication device. The chip system may include a chip, and may also include a chip and other discrete devices.

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

Drawings

Fig. 1 is a schematic diagram of an adjacent-channel neighboring relationship between a WiFi network system and a cellular network system in a 2.4GHz frequency range according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

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

fig. 4 is a flowchart illustrating a method for determining priorities of a first communication system and a second communication system according to an embodiment of the present application;

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 present disclosure.

Detailed Description

The embodiment of the application provides a method, a device and equipment for reducing interference among different communication systems in equipment, which are used for reducing the communication interference without obviously increasing the hardware cost. The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and are merely descriptive of the various embodiments of the application and how objects of the same nature can be distinguished. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In order to make the technical solutions in the embodiments of the present application better understood and make the above objects, features and advantages of the embodiments of the present application more comprehensible, the technical solutions in the embodiments of the present application are described in further detail below with reference to the accompanying drawings. Before describing the technical solution of the embodiment of the present application, an application scenario of the embodiment of the present application is first described with reference to the drawings.

The technical scheme of the application can be applied to an application scenario in which a cellular communication system and other types of communication systems are concurrent, specifically, the application scenario can be that a WIFI communication system and the cellular communication system simultaneously communicate, or that a Bluetooth (BT) and the cellular communication system simultaneously communicate, or that a Global Positioning System (GPS) and the cellular communication system simultaneously communicate, and the like. More specifically, the cellular communication system may be a Long Term Evolution (LTE) system, or may also be a fifth generation mobile communication system (5G), and may also be other network systems in the future, such as a sixth generation or seventh generation mobile communication system. The application scenario of the specific scheme may be continuously iterated according to the development of the communication technology, and is not limited in the specific context.

In the above scenario, mutual interference may occur between operating frequencies of the cellular communication system and other types of communication systems, for example, a WIFI communication system and a cellular communication system communicate, referring to fig. 1, fig. 1 is a schematic diagram of an adjacent frequency adjacent relationship between a WIFI network system and a cellular network system in a 2.4GHz frequency range according to an embodiment of the present application. For example, the WIFI system and the 3GPP Long Term Evolution (LTE) system, or the 5G New Radio (NR) system have mutual interference such as adjacent frequency, harmonic, common frequency, and intermodulation. Specifically, as shown in fig. 1, the spectrum includes an industrial, scientific, and medical (ISM) Band, which is mainly open to industrial, scientific, and medical organizations (2.4GHz to 2.4835GHz), and is defined by the Federal Communications Commission (FCC) in the united states, and belongs to a free license (free license) Band, i.e., there is no limitation of so-called usage authorization. The 2.4GHz is the common ISM frequency band of each country, so wireless networks such as WIFI wireless local area networks, Bluetooth and ZigBee can work on the 2.4GHz frequency band. Adjacent frequency mutual interference can be generated between a 2.4GHz channel in a WIFI network system and B40/n40, B7/n7 and B41/n41 frequency bands in a cellular network, and the receiving performance of the cellular network frequency bands can be influenced during WIFI transmission; correspondingly, the transmission of the cellular network also affects the reception performance of the WIFI antenna. Similarly, for a dual-frequency WIFI network system, the dual-frequency WIFI network system can support the transceiving work of 5GHz band signals, and adjacent frequency mutual interference can be generated in two frequency bands, namely a 5GHz channel in the WIFI network system and N77, N79 in a cellular network.

If the operating frequency of the cellular communication system is close to that 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 effect generated when the two network systems operate in adjacent or same frequency bands is listed.

TABLE 1

The technical scheme provided by the embodiment of the application can solve the problem of mutual interference generated when a cellular network system and other types of communication systems coexist in various scenes. Before describing the technical solution in detail, first, a terminal device used in the embodiment of the present application is described. As shown in fig. 2, a schematic diagram of a possible structure of the terminal device is provided. The terminal device may include: memory, processor, receiver, transmitter, and power supply.

Specifically, the memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program or driving software required by at least one function, and the like, and the processor executes various functional applications and data processing of the terminal device by running the software program and the module stored in the memory; the storage data area may store data created according to the use of the terminal device, and the like.

The processor is a control center of the terminal equipment, various interfaces and lines are used for connecting all parts of the whole terminal equipment, and various functions and processing data of the terminal equipment are executed by operating or executing software programs and/or modules stored in the memory and calling data stored in the memory, so that the terminal equipment is monitored integrally. Alternatively, the processor may include an application processor and a communication processor (also referred to as "modem processor" or "baseband processor"), which may be integrated into one chip or may be two chips that are independent from each other, wherein the application processor mainly processes an operating system, a user interface, an application program, and the like, and the communication processor mainly processes wireless communication. Optionally, the communication processor may further include a cellular processor for processing cellular communication system traffic, and a WIFI processor for processing other types of communication traffic such as WIFI communication system traffic, GPS or BT traffic.

The receiver and transmitter may be used for transceiving information or for receiving and transmitting signals during a call. Included in the receiver and transmitter are, but not limited to, an antenna, at least one amplifier, a transceiver, a coupler, an LNA (low noise amplifier), a duplexer or filter, etc.

The terminal equipment also comprises a power supply for supplying power to each part, and the power supply can be logically connected with the processor through the power management system, so that the functions of managing charging, discharging, power consumption management and the like can be realized through the power management system. Although not shown, the terminal device may further include an input unit, a display unit, a sensor module, an audio module, and the like, which are not described in detail herein.

In addition, the terminal equipment described in this embodiment may be mobile terminals such as mobile phones (or so-called "cellular" phones) and computers with mobile terminals, for example, portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, which exchange language and/or data with a radio access network. Such as Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. The wireless terminal may also be a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal (remote terminal), an access terminal (access terminal), a user terminal (user terminal), a user agent (user agent), a user equipment (user device), or a user equipment (terminal device); when the terminal device is a smart phone, it can be understood that in future development of smart phones, a multi-screen mobile phone terminal, such as a folding-screen mobile phone, a sliding-screen mobile phone, etc., can also be designed. The embodiment of the present application does not limit the specific technology and the specific device form adopted by the terminal device.

The methods provided in the examples of the present application are explained 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 present application, where the method may include: step 301, the terminal device determines a communication system with a lower priority in the first communication system and the second communication system. 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 another type except the cellular communication system, specifically, the second communication system may be a WIFI communication system, a GPS, or a bluetooth communication system, etc., it should be understood that in this embodiment and subsequent embodiments, only the first communication system is taken as the cellular communication system, and the second communication system is taken as the WIFI communication system, for detailed description, when the second communication system is a communication system of another type, the technical solution provided in the embodiment of the present application may also be directly analogized to be applicable, and here, implementation solutions of communication systems of other types are not described in detail one by one.

As an implementation manner, the terminal device may preset a priority relationship between the first communication system and the second communication system, specifically, the terminal device may preset that the priority of the first communication system is 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, for example, the terminal device may preset that the priority of the WIFI communication system is higher than the priority of the cellular communication system; as another example, the terminal device may be preset such that the priority of the cellular communication system is higher than the priority of the cellular communication system, for example.

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, where fig. 4 is a schematic flow diagram of determining the priority relationship between the first communication system and the second communication system by the terminal device provided in this embodiment of the present application.

Specifically, step 301 may include: step 401, a terminal device obtains a first service type of a first service provided by a first communication system; step 402, the terminal device obtains a second service type of a second service provided by a 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. The scheme ensures that the receiving operation of the service with higher priority does not receive interference, and provides good user experience for users.

In the embodiment of the application, the first service type may include network searching, voice call, data internet access, or the like; the second service type may include WIFI scanning, WIFI voice call, or WIFI hotspot, and the like, which are not specifically listed here.

In this embodiment, the device may store a service type rating table for determining the priority of the first communication system and the second communication system, where the service type rating table may include: the service management system comprises a plurality of first service types corresponding to a plurality of services provided through a first communication system and the priority of each first service type, and a plurality of second service types corresponding to a plurality of services provided through a second communication system and the priority of each second service type, wherein the priorities can be specifically expressed in scores.

Referring to table 2 below, different traffic types in the first communication system and the second communication system, respectively, and a score corresponding to each traffic type are shown in table 2.

TABLE 2

Referring to table 2, a first service type of a first service provided by a first communication system may include a flight mode, monitoring and paging of a service in an Idle state, network searching, a voice call, or other types of services, and a second service type of a second service provided by a second communication system may include a flight mode, standby, a WIFI scan (scan) to obtain a setting page of a WIFI list, and a WIFI scan to implement LBS-based assisted positioning or other types of services, and the like, and each service type corresponds to a score, and the presentation form of table 2 is clear, and thus details are not repeated here. In general, more scores represent higher priority, and thus the priority of a traffic type may be determined based on the scores of that traffic 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 scores corresponding to each service type should be flexibly determined according to actual situations, and table 2 is only used as an example to facilitate understanding of the present solution, and is not used to limit the present solution.

Further, a communication system with a 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 transmit the priority relationship between the first communication system and the second communication system to the WIFI processor, and the priority relationship is transmitted from the WIFI processor to the cellular processor; or the application processor of the terminal device may transmit the priority relationship between the first communication system and the second communication system to the cellular processor, and the cellular processor transmits the priority relationship to the WIFI processor; or, the application processor of the terminal device may transmit the priority relationship between the first communication system and the second communication system to the WIFI processor and the cellular processor simultaneously, and specifically, the determination subject and the transmission subject of the priority relationship between the first communication system and the second communication system may be determined by combining the connection relationship between the processors in the terminal device, which is not limited herein.

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

As another implementation, the first operating frequency may only include an operating frequency that is at risk of interference with the second communication system among all operating frequencies of the first communication system. The terminal device may be preset with a plurality of frequency bands that may interfere with the second communication system among all operating frequencies of the first communication system, so that the terminal device may determine whether the first operating frequency of the first communication system exists in a preset frequency band that may interfere with each other, and acquire the first operating frequency of the first communication system when the first operating frequency exists in a preset frequency at risk of interference, and specifically, the determining operation and the acquiring operation of the first operating frequency may be executed by a communication processor of the terminal device, specifically, a cellular processor, and then reported to a WIFI processor.

Step 303, the terminal device obtains a first bandwidth of the first communication system when operating at the first operating frequency. In this embodiment, step 303 is similar to step 302, and specifically, the operation of acquiring the first bandwidth may be reported to the WIFI processor by a communication processor of the terminal device, specifically, the cellular processor. It should be understood that the execution order of step 302 and step 303 is not limited in the embodiment of the present application, and step 302 and step 303 may be executed simultaneously, or step 302 may be executed first and then step 303 may be executed.

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

As another implementation, the second operating frequency may only include the operating frequency that is at risk of interference with the first communication system among all operating frequencies of the second communication system. The terminal device may be preset with a plurality of frequency bands that may interfere with the first communication system among all operating frequencies of the second communication system, so that the terminal device may determine whether the second operating frequency of the second communication system exists in a preset frequency band that may interfere with each other, and under a condition that the second operating frequency exists in a preset frequency at risk of interference, the terminal device obtains the second operating frequency of the second communication system.

And 305, the terminal device acquires a second bandwidth of the second communication system when the second communication system works at the second working frequency. In this embodiment, step 305 is similar to step 304, and specifically, the operation of acquiring the second bandwidth may be reported to the cellular processor by a communication processor of the terminal device, specifically, by the WIFI processor. It should be understood that the execution order of step 304 and step 305 is not limited in the embodiment of the present application, and step 304 and step 305 may be executed simultaneously, or step 304 may be executed first and then step 305 may be executed.

In the embodiment of the present application, the execution sequence of step 302 and step 303 and step 304 and step 305 is not limited, and step 302 and step 303 may be executed first, and then step 304 and step 305 may be executed; step 304 and step 305 may be performed first, and then step 302 and step 303 may be performed, or may be performed in parallel with each other.

Step 306, the terminal device determines whether the first operating frequency is located in one of the plurality of first operating frequency bands and whether the second operating frequency is located in one of the plurality of second operating frequency bands, and if the first operating frequency is located in one of the plurality of first operating frequency bands and the second operating frequency is located in one of the plurality of second operating frequency bands, the step 307 is entered; if the first operating frequency is not located in one of the first operating frequency bands, or the second operating frequency is not located in one of the second operating frequency bands, step 309 is performed.

In this embodiment, the first operating frequency band is one of a plurality of operating frequency bands that may interfere with an operating frequency of the second communication system in an operating frequency of the first communication system, and for example, the first operating frequency band may be [2300 to 2350MHz ], [2350 to 2390MHz ], or [2390 to 2400MHz ], for example. The second operating frequency band is one of a plurality of operating frequency bands at risk of interference with the operating frequency of the first communication system, and the second operating frequency band may be [2400, 2415 ], [2415, 2460 ], or [2460, 2484], for example.

In this embodiment of the present application, a frequency relationship table may be stored in advance on the terminal device, where the frequency relationship table at least includes each of the plurality of first operating frequency bands and each of the plurality of second operating frequency bands, and the plurality of operating frequency bands included in the frequency relationship table may be obtained by a person skilled in the art according to a predetermined interference judgment experimental statistic. Furthermore, because the 2.4G frequency band and the 5G frequency band in the WIFI communication system have interference risks with the working frequency of the cellular communication system, but the 2.4G and 5G bands in a WIFI communication system may create interference risks with different bands of the cellular communication system, the frequency relation table may comprise two frequency relation sub-tables, one of the frequency relationship sub-tables may include a plurality of first operating frequency bands and a plurality of second operating frequency bands where the interference risk exists between the WIFI communication system and the cellular communication system in the 2.4G frequency band, and the other frequency relationship sub-table may include a plurality of first operating frequency bands and a plurality of second operating frequency bands where the interference risk exists between the WIFI communication system and the cellular communication system in the 5G frequency band.

In this embodiment of the application, after acquiring the first operating frequency and the second operating frequency, the terminal device may perform a determination operation according to a preset frequency relationship table, that is, after acquiring the first operating frequency and the second operating frequency, the terminal device may determine whether the first operating frequency belongs to one of the plurality of first operating frequency bands according to the frequency relationship table, and determine whether the second operating frequency belongs to one of the plurality of second operating frequency bands. And only when the first working frequency and the second working frequency meet the mutual interference condition, the interference avoidance is carried out on the communication system with lower priority, so that the waste of communication resources is avoided.

Further, in the case that different frequency relationship sub-tables are generated for different and discontinuous frequency bands of the second communication system, for example, two different frequency relationship sub-tables may be generated for a 2.4G frequency band and a 5G frequency band of the WIFI communication system, respectively. Step 306 may specifically be: after the terminal device obtains the first operating frequency and the second operating frequency, it may be determined whether the first operating frequency belongs to one of the plurality of first operating frequency bands, and the second operating frequency belongs to one of the plurality of second operating frequency bands, and it is determined whether the frequency relationship sub-table where the first operating frequency is located is the same as the frequency relationship sub-table where the second operating frequency belongs.

Specifically, the determination operation of the first operating frequency and the second operating frequency may be executed for a communication processor of the terminal device, specifically, the cellular processor and the WIFI processor jointly, or the determination operation of the first operating frequency and the second operating frequency may be executed only by a processor of a communication system with a higher or lower priority level in the cellular communication system and the WIFI communication system, which may be specifically processed in combination with an actual situation of the terminal device, and is not limited herein. It should be understood that step 306 is an optional step, and if the frequency relationship table is not stored in advance on the terminal device, step 307 may be executed directly after step 305 is executed.

The embodiment of the present application does not limit the execution sequence of step 301 and steps 302 to 306, and step 301 may be executed first, and then step 302 to step 306 may be executed; step 302 to step 306 may be performed first, and then step 301 may be performed, or may be performed in parallel with each other.

Step 307, the terminal device determines whether the signal strength value of the received signal of the communication system with higher priority is smaller than a preset value, and if so, executes step 308; if the value is greater than or equal to the predetermined value, go to step 309.

In this embodiment, the terminal device may determine whether a signal strength value of a received signal of a communication system with a higher priority is smaller than a preset value under the condition that the operating frequencies of the first communication system and the second communication system are determined to interfere with each other, enter step 308 under the condition that the signal strength value of the received signal is smaller than the preset value, and enter step 309 under the condition that the signal strength value of the received signal is greater than or equal to the preset value. Interference avoidance is carried out on the communication system with the lower priority only when the received signal of the communication system with the higher priority is smaller than a preset value, namely on the premise that the receiving operation of the communication system with the higher priority is not interfered, the interference on normal communication with the lower priority is reduced as much as possible, and the waste of communication resources is avoided.

When the frequency combination of the first operating frequency of the first communication system and the second operating frequency of the second communication system is different, the magnitude of the preset value of the signal strength may be different, and for example, the higher the operating frequency of the communication system with higher priority is, the larger the magnitude of the preset value of the signal strength may be; as another example, the closer the frequencies of the first and second operating frequencies are, the greater the magnitude of the preset value of the signal strength may be, etc., for example.

Further, when the communication systems with higher priorities are different, the preset values of the signal strengths may be the same or different, that is, the preset values of the signal strengths may be different in the two cases, that is, the communication systems with higher priorities are the WIFI communication system and the cellular communication system, for example, when the communication system with higher priority is the WIFI communication system, the preset values of the signal strengths may be-85 dBm, -80dBm, or other values; as another example, when the higher priority communication system is a cellular communication system, for example, the preset value of the signal strength may be-86 dBm, -83dBm, or other values, etc., and it should be understood that the preset value of the signal strength value is merely an example, and is not limited herein.

Specifically, the operation of determining whether the signal strength value of the received signal of the communication system with a higher priority is smaller than the preset value may be performed by the communication processor of the terminal device, and more specifically, may be performed by both the cellular processor and the WIFI processor, 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, which is not limited herein.

It should be understood that step 307 is an optional step, and if step 307 is present, then step 307 is executed in order; if step 307 is not present, step 308 may be performed directly after step 306 is performed.

And 308, the terminal equipment executes interference avoidance on the communication system with lower priority according to the first working frequency and the second working frequency. In the embodiment of the present application, the specific implementation means of interference avoidance includes reducing the transmission power or turning off the transmission function, specifically, a fixed transmission power value may be reduced each time the reduction of the transmission power is performed; the reduced transmission power value may also be flexibly determined according to actual conditions, for example, the reduced transmission power value may be higher as the degree of interference of the first communication system and the second communication system is higher. More specifically, with the continuous development of new communication technologies, carriers corresponding to different operating frequencies may be divided into a main carrier and an auxiliary carrier, and the situation that the main carrier and the auxiliary carrier are combined with each other is gradually increased, so that the specific execution manner for reducing the transmission power may be to reduce the transmission power of the auxiliary carrier.

As an implementation manner, in the absence of step 307, that is, in the absence of a preset frequency relationship table on the terminal device, a judgment rule for judging whether the first operating frequency and the second operating frequency interfere with each other may be stored in advance on the terminal device, and in the case that it is determined that the first operating frequency and the second operating frequency interfere with each other, the transmission power reduction or the transmission function shutdown is performed on the communication system with a lower priority. Wherein the determination rule may comprise that a frequency difference between the first operating frequency and the second operating frequency is below a certain threshold and/or other types of determination rules.

As another implementation manner, in the presence of step 307, a frequency relationship table may be stored in advance on the terminal device, where the frequency relationship table includes each of the plurality of first operating frequency bands and each of the plurality of second operating frequency bands, and further, the frequency relationship table may further include a transmission power value corresponding to each of the first operating frequency bands and each of the second operating frequency bands or an indication of turning off a transmission function. The terminal device executes the function of reducing the transmitting power or closing the transmitting function to the communication system with lower priority according to the first working frequency, the second working frequency and the preset frequency relation table, judges that the first working frequency and the second working frequency are mutually interfered in a table look-up mode, not only shortens the judging time of the terminal device, but also improves the rigor of the judging process because the preset frequency relation table is determined by technicians in the field according to the preset interference experiment statistics.

Optionally, the frequency relationship table may further include at least one third bandwidth corresponding to each first frequency band, at least one fourth bandwidth corresponding to each first frequency band, and a transmission power value or an instruction to turn off the transmission function corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth, where the transmission power value included in the frequency relationship table may be a transmission power value that needs to be reduced, or may also be an upper limit of an actual transmission power value. The frequency relationship table may further include other information, for example, a preset value for determining whether the received signal is a weak signal or other types of information, which is not specifically listed here.

Optionally, when the communication systems with higher priorities are different, the corresponding frequency relationship tables may be different, that is, when the communication systems with higher priorities are the cellular communication system and the WIFI communication system, two different frequency relationship tables may exist, and the specific presentation form of the frequency relationship table is described in detail below with reference to table 3.

TABLE 3

In table 3, table 3 shows a corresponding relationship table between one operating frequency band and a second operating frequency band in a plurality of first operating frequency bands, where one first operating frequency band corresponds to 7 bandwidths, and the table is respectively: 5MHz, 10MHz, 15MHz, 20MHz, 40MHz, 60MHz, 100 MHz. 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, and the frequency bands are respectively as follows: 20MHz, 40MHz, 80MHz and 160 MHz. Further, taking the communication system with higher priority shown in table 3 as the first communication system as an example, the preset value in table 3 means that when the signal strength value of the received signal of the first communication system is lower than the preset value, interference avoidance is performed on the second communication system, where values of the threshold 1, the threshold 2, the threshold 3, the threshold 4, and the like may be the same or different, and may be specifically set by a person skilled in the art according to an actual situation. The 3dB down, 5dB down, or 6dB down in table 3 is a transmission power value corresponding to each first frequency band, each third bandwidth, each second frequency band, and each fourth bandwidth, and the transmission power value is taken as an example in table 3, and the transmission power value may also be an upper limit of an actual transmission power value, where a specific value of the transmission power value is not limited. The turn-off in table 3 instructs the terminal device to turn off the transmission function of the communication system having the lower priority.

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

As one implementation, the execution subject performing interference avoidance on the communication system with a lower priority may be a processor of the communication system with a higher priority, and for example, if the priority of the WIFI communication system is higher than that of the cellular communication system, the processor of the WIFI communication system may be controlled to reduce the transmission power or turn off the transmission function of hardware performing cellular communication. Because the processor of the communication system with higher priority can determine whether the interference exists between the two communication systems in the first time, the processor of the communication system with higher priority executes interference avoidance, which is beneficial to timely eliminating the interference to the high-priority service.

As another implementation, the executing subject performing interference avoidance on the communication system with lower priority may be a processor of the communication system with lower priority, and for example, if the WIFI communication system has higher priority than the cellular communication system, the processor of the cellular communication system may be controlled to reduce the transmission power or turn off the transmission function of hardware performing cellular communication. In part of terminal devices, the processor of the high-priority communication system and the hardware of the low-priority communication system may be incompatible, and the processor of the low-priority communication system executes interference avoidance, so that the incompatibility is avoided, and the application scene of the scheme is expanded.

In the embodiment of the application, after acquiring the first working frequency and the first bandwidth, and the second working frequency and the second bandwidth, the terminal device may combine with a preset frequency relation table to flexibly determine the transmission power value to be reduced or determine that the transmission function of the communication system with a lower priority needs to be turned off, further, under the condition of different working bandwidths, the transmission power value to be reduced is also different, so that the transmission power value to be reduced may be determined by combining with each specific working bandwidth, and if the mutual interference degree of the two communication systems is low, the transmission power value to be reduced may be lower; if the mutual interference degree of the two communication systems is high, the transmission power value required to be reduced can be higher, so that the waste of frequency resources of the communication system with lower priority is avoided.

It should be understood that

steps

303 and 305 are optional steps, and if the bandwidth is fixed, not adjustable, or the method is only executed for a specific bandwidth, there is no indication in the preset frequency relationship table of the transmission power value corresponding to each third bandwidth and each fourth bandwidth or the transmission function is turned off, and steps 303 and 305 do not need to be executed.

Step 309, the terminal device does not perform interference avoidance, or may perform other operations, such as a communication processing flow of the related art. In the embodiment of the application, the terminal equipment acquires the priorities of the cellular communication system and other communication systems, and reduces the transmitting power of the communication system with lower priority or closes the transmitting function according to the working frequencies of the cellular communication system and other communication systems, so that the receiving operation of the communication system with higher priority is not interfered.

The method of the above-described embodiment of the present application will be described in detail below with reference to a specific embodiment. In this embodiment, the terminal device includes an application processor and a communication processor. The terminal device is started to operate, the terminal device is carrying out voice call through the first communication system, and the service type provided through the second communication system is the transmission document in the P2P. In this embodiment, the first operating 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-86 dBm, and the signal strength of the transmitted signal of the first communication system is 30 dBm; the second operating 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-70 dBm, and the signal strength of the transmitted signal of the first communication system is 30 dBm. The application processor of the terminal device acquires the first working type of the first communication system and the second working type of the second communication system, determines that the priority of the first communication system is higher than that of the second communication system by combining the table 2, and informs the communication processor of the priority. The communication processor is required to determine whether the first operating frequency and the second operating frequency interfere with each other in conjunction with the frequency relationship table, and, in the event that it is determined that interference exists, to determine an interference means to be performed on the second communication system. In this example, 3 frequency relationship tables are exemplified, and tables 4 to 6 are shown, respectively.

TABLE 4

TABLE 5

TABLE 6

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

The communication processor acquires that the first working frequency is 2375MHz, the judgment table is positioned as table 5, interference exists between the first communication system and the second communication system due to the fact that the second working frequency is 2465MHz, and the communication processor acquires that the strength of a received signal of the first communication system is-86 dBm, and interference avoidance needs to be executed on the second communication system. The communication processor determines that the transmission power of the second communication system needs to be reduced by 7dB according to the first operating frequency 2375MHz, the first bandwidth 10MHz and the second operating frequency 2465MHz, the second bandwidth 40MHz and table 5, that is, the transmission power of the second communication system is reduced from 30dBm to 23 dBm.

In the method provided by the embodiment, the application processor determines the priorities of the first communication system and the second communication system, informs the communication processor, and reduces the transmission power of the communication system with lower priority or closes the transmission function according to the working frequency and bandwidth of the first communication system and the second communication system, thereby ensuring that the receiving operation of the communication system with higher priority is not interfered.

In order to better implement the above-mentioned aspects of the embodiments of the present application, the following also provides related apparatuses for implementing the above-mentioned aspects. Referring to fig. 5 in particular, 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 present application, where the apparatus 500 includes a determining unit 501, an obtaining unit 502, and a processing unit 503. A determining unit 501, configured to determine a communication system with a lower priority from among a first communication system and a second communication system, where the first communication system is a cellular communication system, and the second communication system is a communication system other than the cellular communication system; an obtaining unit 502, configured to obtain a first operating frequency of a first communication system; the obtaining unit 502 is further configured to obtain a second operating frequency of the second communication system; a processing unit 503, configured to perform interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency, where the interference avoidance includes: reduce the transmit power or turn off the transmit 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 function according to the operating frequencies of the first communication system and the second communication system, thereby ensuring that the receiving operation of the communication system with a higher priority is not interfered. At least one of the above determining unit 501, the obtaining unit 502 and the processing unit 503 may be implemented in software, hardware or a combination of software and hardware. The software may be stored in a storage medium and executed by hardware circuitry, such as a processor. The hardware may include hardware circuits, processors executing software, processing units, or hardware accelerators.

In a possible design, the determining unit 501 is specifically configured to obtain a first service type of a first service provided by a first communication system; acquiring a second service type of a second service provided by a second communication system; and determining a communication system with lower priority in the first communication system and the second communication system according to the first service type and the second service type. In one 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 relation table. In one possible design, the frequency relationship table includes: a plurality of first operating frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, a plurality of second operating frequency bands of the second communication system and at least one fourth bandwidth corresponding to each first frequency band, a transmission power value corresponding to each first frequency band, each third bandwidth, each second frequency band and each fourth bandwidth or an indication to turn off the transmission function; an obtaining unit 502, configured to obtain a first bandwidth when the first communication system operates at a first operating frequency; acquiring a second bandwidth of a second communication system when the second communication system works at a second working frequency; the processing unit 503 is specifically configured to determine the transmission power value or the instruction to turn off the transmission function according to the first operating frequency and the first bandwidth, the second operating frequency and the second bandwidth, and the frequency relation table.

In one possible design, the processing unit 503 is further configured to determine whether the first operating frequency is located in one of the first operating frequency bands and whether the second operating frequency is located in one of the second operating frequency bands before performing interference avoidance on the communication system with the lower priority according to the first operating frequency and the second operating frequency; and under the condition that the first working frequency is located in one of the first working frequency bands and the second working frequency is located in one of the second working frequency bands, triggering to execute interference avoidance on the communication system with lower priority according to the first working frequency and the second working frequency.

In one possible design, the processing unit 503 is specifically configured to perform interference avoidance on a communication system with a lower priority if a signal strength value of a received signal of a communication system with a higher priority in the first communication system and the second communication system is smaller than a preset value. In one possible design, the second communication system is a WIFI communication system.

It should be noted that, because the contents of information interaction, execution process, and the like between the modules/units of the apparatus are based on the same concept as the method embodiment of the present application, the technical effect brought by the contents is the same as the method embodiment of the present application, and specific contents may refer to the description in the foregoing method embodiment of the present application, and are not described herein again.

Referring to fig. 2, a schematic structural diagram of a communication device according to an embodiment of the present application is described next, where a terminal device 200 includes: a receiver 201, a transmitter 202, a processor 203 and a memory 204 (wherein 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), wherein 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 means.

Memory 204 may include both read-only memory and random access memory and provides instructions and data to processor 203. A portion of memory 204 may also include non-volatile random access memory (NVRAM). The memory 204 stores the processor and operating instructions, executable modules or data structures, or a subset or an expanded set thereof, wherein the operating instructions may include various operating instructions for performing 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 by a bus system, wherein the bus system may include a power bus, a control bus, a status signal bus, etc., in addition to a data bus. For clarity of illustration, the various buses are referred to in the figures as a bus system.

The method disclosed in the embodiments 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 having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 203. The processor 203 may be a general-purpose processor, a Digital Signal Processor (DSP), a microprocessor or a microcontroller, and may further include an Application Specific Integrated Circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The processor 203 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. 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 method in combination with the hardware thereof.

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

In this embodiment, the processor 203 is configured to execute the method for reducing interference between different communication systems in a device, which is executed by the terminal device. Specifically, the application processor 2031 is configured to determine a communication system with a lower priority from among a first communication system and a second communication system, where the first communication system is a cellular communication system, and the second communication system is a communication system of another type except for the cellular communication system; a communication processor 2032, configured to acquire a first operating frequency of the first communication system and a second operating frequency of the second communication system, and further configured to perform interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency, where the interference avoidance includes: reduce the transmit power or turn off the transmit 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 or turns off the transmission function according to the operating frequencies of the first communication system and the second communication system, thereby ensuring that the receiving operation of the communication system with a higher priority is not interfered.

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

In one 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 relation table.

Specifically, the communication processor 2032 may include a first processor for processing communication traffic of the first communication system and a second processor for processing communication traffic of the second communication system, and the manner in which the communication processor 2032 performs interference avoidance may specifically include any one or a combination of the following: the processor of the communication system having a higher priority performs interference avoidance on the communication system having a lower priority, or the processor of the communication system having a lower priority performs interference avoidance on the communication system having a lower priority.

In one possible design, the frequency relationship table includes: a plurality of first operating frequency bands of the first communication system and at least one third bandwidth corresponding to each first frequency band, a plurality of second operating frequency bands of the second communication system and at least one fourth bandwidth corresponding to each first frequency band, a transmission power value corresponding to each first frequency band, each third bandwidth, each second frequency band and each fourth bandwidth or an indication to turn off the transmission function.

The communication processor 2032 is further configured to acquire a first bandwidth when the first communication system operates at the first operating frequency, acquire a second bandwidth when the second communication system operates at the second operating frequency, and determine a transmission power value or an instruction to turn off the transmission function according to the first operating frequency and the first bandwidth, the second operating frequency and the second bandwidth, and the frequency relation table.

In one possible design, the communication processor 2032 is further configured to determine whether the first operating frequency is located in one of the first operating frequency bands and whether the second operating frequency is located in one of the second operating frequency bands before performing interference avoidance on the communication system with the lower priority according to the first operating frequency and the second operating frequency; and under the condition that the first working frequency is located in one of the plurality of first working frequency bands and the second working frequency is located in one of the plurality of second working frequency bands, triggering to execute interference avoidance on the communication system with lower priority according to the first working frequency and the second working frequency.

In one possible design, the communication processor 2032 is specifically configured to perform interference avoidance on a communication system with a lower priority if the signal strength value of the received signal of the communication system with a higher priority in the first communication system and the second communication system is smaller than a preset value. In one possible design, the second communication system is a WIFI communication system.

In the above embodiment, the functions or operations of the application processor 2031 may be executed by the communication processor 2032 instead, that is, the method flow of the embodiment is mainly implemented in the communication processor 2032, and the application processor 2031 may only play a controlling role, such as controlling the operating state of the communication processor 2032. In particular, the communication processor 2032 implements the various steps and functions of the method flow by retrieving program instructions from the memory 204 and executing the instructions.

Next, a communication processor provided in the embodiment of the present application is described, and the communication processor is embodied in hardware as a separate communication chip, which is used to support the terminal device to implement the functions related to the communication processor 2031 in the embodiment described in fig. 2, such as processing or transmitting data and/or information related to the above-mentioned embodiment. In one possible design, the communication chip may also include a memory for storing necessary program instructions and data.

Also provided in an embodiment of the present application is a computer program product including instructions for reducing interference between different communication systems in a device, which when run on a computer causes the computer to perform the steps performed by the terminal device in the method as described in the foregoing embodiment shown in fig. 3 or fig. 4.

An embodiment of the present application further provides a computer-readable storage medium, in which instructions for inter-communication system transfer are stored, and when the instructions are executed on a computer, the computer is enabled to execute the steps executed by the terminal device in the method described in the embodiment shown in fig. 3 or fig. 4.

Through the above description of the embodiments, those skilled in the art will clearly understand that the present application can be implemented by software plus necessary general-purpose hardware, and certainly can also be implemented by special-purpose hardware including special-purpose integrated circuits, special-purpose CPUs, special-purpose memories, special-purpose components and the like. Generally, functions performed by computer programs can be easily implemented by corresponding hardware, and specific hardware structures for implementing the same functions may be various, such as analog circuits, digital circuits, or dedicated circuits. However, for the present application, the implementation of a software program is more preferable. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a readable storage medium, such as a floppy disk, a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk of a computer, and includes instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can store or a data storage device including one or more available media integrated servers, data centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Claims

1. A method for reducing interference between different communication systems in a device, comprising:

determining a communication system with a lower priority level in a first communication system and a 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 except the cellular communication system;

acquiring a first working frequency of the first communication system;

acquiring a second working frequency of the second communication system;

performing interference avoidance on the communication system with the lower priority according to the first operating frequency and the second operating frequency, wherein the interference existing between the first communication system and the second communication system comprises: adjacent frequency, harmonic or intermodulation, the interference avoidance comprising: reducing the transmission power;

the method further comprises the following steps:

acquiring a first bandwidth of the first communication system when the first communication system works at the first working frequency;

acquiring a second bandwidth of the second communication system when the second communication system works at the second working frequency;

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

and determining a transmission power value corresponding to the communication system with lower priority according to the first operating frequency and the first bandwidth, and the second operating frequency and the second bandwidth.

2. The method of claim 1, wherein determining the communication system with the lower priority of the first communication system and the second communication system comprises:

acquiring a first service type of a first service provided by the first communication system;

acquiring a second service type of a second service provided by the second communication system;

and determining a communication system with lower priority in the first communication system and the second communication system according to the first service type and the second service type.

3. The method according to claim 1 or 2,

and executing interference avoidance on the communication system with the lower priority according to the first working frequency, the second working frequency and a preset frequency relation table.

4. The method of claim 3, wherein the frequency relationship table comprises: a plurality of first operating frequency bands of the first communication system and at least one third bandwidth corresponding to each first operating frequency band, a plurality of second operating frequency bands of the second communication system and at least one fourth bandwidth corresponding to each second operating frequency band, and transmission power values corresponding to each first operating frequency band, each third bandwidth, each second operating frequency band, and each fourth bandwidth;

the determining, according to the first operating frequency and the first bandwidth, the second operating frequency and the second bandwidth, a transmission power value corresponding to the communication system with the lower priority comprises:

and determining the transmitting power value according to the first operating frequency and the first bandwidth, the second operating frequency and the second bandwidth and the frequency relation table.

5. The method of claim 4, wherein before performing interference avoidance on the communication system with lower priority according to the first operating frequency and the second operating frequency, the method further comprises:

judging whether the first working frequency is located in one of the plurality of first working frequency bands or not and whether the second working frequency is located in one of the plurality of second working frequency bands or not;

and under the condition that the first working frequency is located in one of the first working frequency bands and the second working frequency is located in one of the second working frequency bands, triggering to execute interference avoidance on the communication system with lower priority according to the first working frequency and the second working frequency.

6. The method of claim 1 or 2, wherein the performing interference avoidance on the communication system with the lower priority comprises:

and performing interference avoidance on the communication system with lower priority 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 smaller than a preset value.

7. The method of claim 1 or 2, wherein the second communication system is a WIFI communication system.

8. An apparatus for reducing interference between different communication systems in a device, the apparatus comprising:

a determining unit, configured to determine a communication system with a lower priority from among a first communication system and a second communication system, where the first communication system is a cellular communication system, and the second communication system is a communication system of another type other than the cellular communication system;

an obtaining unit, configured to obtain a first operating frequency of the first communication system;

the acquiring unit is further configured to acquire a second operating frequency of the second communication system;

a processing unit, configured to perform interference avoidance on the communication system with a lower priority according to the first operating frequency and the second operating frequency, where interference existing between the first communication system and the second communication system includes: adjacent frequency, harmonic or intermodulation, the interference avoidance comprising: reducing the transmission power;

the acquiring unit is further configured to acquire a first bandwidth when the first communication system operates at the first operating frequency; acquiring a second bandwidth of the second communication system when the second communication system works at the second working frequency;

the processing unit is specifically configured to determine, according to the first operating frequency and the first bandwidth, and the second operating frequency and the second bandwidth, a transmission power value corresponding to the communication system with the lower priority.

9. The apparatus of claim 8,

the determining unit is specifically configured to acquire a first service type of a first service provided by the first communication system; acquiring a second service type of a second service provided by the second communication system; and determining a communication system with lower priority in the first communication system and the second communication system according to the first service type and the second service type.

10. The apparatus according to claim 8 or 9,

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 relation table.

11. The apparatus of claim 10, wherein the frequency relationship table comprises: a plurality of first operating frequency bands of the first communication system and at least one third bandwidth corresponding to each first operating frequency band, a plurality of second operating frequency bands of the second communication system and at least one fourth bandwidth corresponding to each second operating frequency band, and transmission power values corresponding to each first operating frequency band, each third bandwidth, each second operating frequency band, and each fourth bandwidth;

the processing unit is specifically configured to determine the transmission power value according to the first operating frequency and the first bandwidth, the second operating frequency and the second bandwidth, and the frequency relation table.

12. The apparatus of claim 11,

the processing unit is further configured to determine whether the first operating frequency is located in one of the plurality of first operating frequency bands and whether the second operating frequency is located in one of the plurality of second operating frequency bands before performing interference avoidance on the communication system with the lower priority according to the first operating frequency and the second operating frequency; and under the condition that the first working frequency is located in one of the first working frequency bands and the second working frequency is located in one of the second working frequency bands, triggering to execute interference avoidance on the communication system with lower priority according to the first working frequency and the second working frequency.

13. The apparatus according to claim 8 or 9,

the processing unit is specifically configured to, when a signal strength value of a received signal of a communication system with a higher priority in the first communication system and the second communication system is smaller than a preset value, perform interference avoidance on the communication system with the lower priority.

14. The apparatus of claim 8 or 9, wherein the second communication system is a WIFI communication system.

15. A communication device comprising a processor and a memory, the processor coupled with the memory,

the memory to store instructions;

the processor to execute instructions in the memory to cause the communication device to perform the method of any of claims 1 to 7.