CN106797576B - Modem control method, device, electronic equipment and computer program product - Google Patents
Modem control method, device, electronic equipment and computer program product Download PDFInfo
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
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Abstract
The invention provides a modem control method, a device, an electronic device and a computer program product, wherein the method comprises the following steps: acquiring communication state change information of a first modem, wherein the communication state change information comprises information of a new frequency band changed by the first modem; determining communication state information of a second modem, wherein the communication state information comprises information of a current frequency band of the second modem; and controlling the communication state change of the first modem and/or controlling the communication state of the second modem according to the interference conditions of the new frequency band and the current frequency band. The invention provides a modem control method, when the communication state of a modem needs to be changed, the change of the communication state and/or the communication state of other modems can be reasonably controlled according to the current communication state of other modems, so that each modem cannot have serious interference due to the correlation of communication frequency bands.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a modem control method, an apparatus, an electronic device, and a computer program product.
Background
In the current mobile communication network, the mobile terminal has widely adopted the LTE (Long Term Evolution) technology. The LTE system introduces key technologies such as OFDM (Orthogonal Frequency Division Multiplexing) and MIMO (Multi-Input and Multi-Output), which significantly increases spectrum efficiency and data transmission rate, and supports multiple bandwidth allocation: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz and the like, and supports the global mainstream 2G/3G frequency band and some newly-added frequency bands, so that the frequency spectrum allocation is more flexible, and the system capacity and the coverage are also obviously improved.
Based on the increase of user demand, a plurality of LTE modems (modems) are connected to one or more SIM cards in a mobile terminal, so as to increase the transmission rate of one SIM card or enable a plurality of SIM cards to be in a communication state at the same time. Under the conditions, the transmission and the reception of the antenna of each LTE modem have serious interference, so that the transmission error rate is increased, the communication quality is seriously reduced, and the communication cannot be completed in serious conditions.
The problem with the prior art is that multiple modems operating simultaneously may have so much interference that communication cannot be accomplished.
Disclosure of Invention
The embodiment of the invention provides a modem control method, a modem control device, electronic equipment and a computer program product, which are mainly used for solving the problem that communication cannot be completed due to serious interference when a plurality of modems work simultaneously.
In one aspect, an embodiment of the present invention provides a modem control method, where the method includes acquiring communication state change information of a first modem, where the communication state change information includes information of a new frequency band changed by the first modem;
determining communication state information of a second modem, wherein the communication state information comprises information of a current frequency band of the second modem;
and controlling the communication state change of the first modem and/or controlling the communication state of the second modem according to the interference conditions of the new frequency band and the current frequency band.
In another aspect, an embodiment of the present invention provides a modem control apparatus, including:
the state determining module is used for acquiring communication state change information of a first modem, wherein the communication state change information comprises information of a new frequency band changed by the first modem;
the state determining module is further configured to determine communication state information of a second modem, where the communication state information includes information of a current frequency band of the second modem;
and the control module is used for controlling the communication state change of the first modem and/or controlling the communication state of the second modem according to the interference conditions of the new frequency band and the current frequency band.
In another aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes: a plurality of modems, memory, one or more processors; and one or more modules stored in the memory and configured to be executed by the one or more processors, the one or more modules including instructions for performing the steps of any of the above-described methods.
In another aspect, embodiments of the present invention provide a computer program product for use in conjunction with an electronic device, the computer program product comprising a computer-readable storage medium and a computer program mechanism embedded therein, the computer program mechanism comprising instructions for performing the steps of any of the above-described methods.
The invention has the following beneficial effects:
the invention provides a modem control method, when the communication state of a modem needs to be changed, the change of the communication state and/or the communication state of other modems can be reasonably controlled according to the current communication state of other modems, so that each modem cannot have serious interference due to the correlation of communication frequency bands.
Drawings
Specific embodiments of the present invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a flow chart illustrating a modem control method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a modem control apparatus according to a second embodiment of the present invention;
fig. 3 shows a schematic structural diagram of an electronic device in a third embodiment of the present application.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the following further detailed description of exemplary embodiments of the present invention is provided with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and are not exhaustive of all embodiments. And the embodiments and features of the embodiments in the present description may be combined with each other without conflict.
The inventor notices in the process of invention that: multiple modems operating simultaneously may experience significant interference to the point that communication cannot be accomplished.
In view of the above disadvantages, the present invention provides a modem control method, which can reasonably control the change of the communication state of one modem and/or the communication state of other modems according to the current communication state of other modems when the communication state of the modem needs to be changed, so that each modem does not have serious interference due to the correlation of communication frequency bands.
To facilitate the practice of the invention, the following examples are given.
The first embodiment is as follows:
fig. 1 shows a schematic flowchart of a modem control method according to a first embodiment of the present invention, and as shown in fig. 1, the modem control method includes:
103, controlling the communication state change of the first modem and/or controlling the communication state of the second modem according to the interference situation of the new frequency band and the current frequency band.
In step 101, the control program acquires communication state change information of the first modem, wherein the communication state change information can be a request for communication state change and is actively sent to the control program by the first modem; or notification information sent to the control program after the communication state of the first modem is changed; or the control program can actively monitor the information acquired after the communication state of the first modem is changed.
The communication state change information of the first modem at least includes information of a new frequency band which the first modem requests to change or has changed to, and the control program can determine the frequency of the subsequent operation of the first modem according to the frequency band information. For example, the frequency band information may be a standard frequency band identifier, such as LTE B8, from which the control program may determine the frequency range in which the first modem will subsequently operate. When the state of the first modem is going to become non-operational, the information of the new frequency band is a no frequency band, or it can be understood that the information of the new frequency band is a default value.
In step 102, the control program determines communication status information of the second modem, wherein the communication status information can be obtained by the control program monitoring the communication status of the second modem in real time after the step 101; the latest information in the communication state information of the second modem can be acquired periodically; the communication state information acquired by the program may be controlled by the second modem each time the communication state of the second modem changes, and the information may be used as the current communication state information of the second modem as long as the information is not updated.
The communication status information of the second modem at least includes information of the current frequency band of the second modem, and similarly, the frequency band information may be a standard frequency band identifier, such as GSM1800, and the control program may determine the frequency range in which the second modem currently operates according to the identifier. When the first modem is currently in a non-working state, the information of the current frequency band is a no frequency band, or the information of the current frequency band can be understood as a default value.
In step 103, a communication state change of the first modem is controlled according to the interference situation of the new frequency band and the current frequency band.
The interference condition of the new frequency band and the current frequency band may be coherent interference or incoherent interference, where coherent interference indicates that there is interference between the new frequency band and the current frequency band, may be mutual interference between frequency bands, or may be interference caused to another frequency band unilaterally by one frequency band, and incoherent interference indicates that there is no interference between the new frequency band and the current frequency band, or even if the new frequency band or the current frequency band may cause a certain influence on another party, the influence degree of the incoherent interference is known by those skilled in the art to not interfere with communication. According to the interference situation of the new frequency band and the current frequency band, the communication state change of the first modem can be controlled, or the communication state of the second modem can be controlled, or the communication state of the first modem and the communication state of the second modem can be controlled simultaneously, so that the serious interference brought to the system by the communication state change of the first modem is avoided.
When the frequency band information is a non-frequency band (or a default value), it indicates that there is no communication service and no interference is generated, so that the non-frequency band (or the default value) and any other frequency band belong to a frequency band with non-coherent interference.
In some embodiments, step 103 specifically includes restricting communication of at least one of the first modem and the second modem when the new frequency band and the current frequency band are interfering frequency bands.
For the case of interference between the new frequency band and the current frequency band, specifically, the new frequency band may be the same as the current frequency band, adjacent to the current frequency band, multiple relationships exist between center frequencies of the frequency bands, or other various interference situations, and the first modem and the second modem may generate various relatively serious interferences in these situations. In this case, any or all of the following control manners may be performed:
a) limiting a communication state change of the first modem;
b) restricting communication of the second modem.
The control program may perform a to restrict the change of the communication status of the first modem, and the restriction may be to restrict the change of the status thereof, for example, the first modem may block the communication request or prohibit the data communication service thereof when initiating the data service communication; the limit may also be a limit on the modems themselves, such as reducing the transmit power of the first modem by a certain amount or proportion. The method can avoid or reduce serious interference caused by the communication state change of the first modem, and relatively guarantee the communication of the second modem.
The control program may also perform b to restrict communication with the second modem, and such restriction may be as well restricting communication with the second modem, e.g. blocking communication with the second modem, i.e. stopping its current traffic; the limit may also be a limit on the modems themselves, such as reducing the transmit power of the first modem by a certain amount or proportion. In the method b, the change of the communication state of the first modem may be allowed, that is, the change of the communication state of the first modem may not be blocked. The method can also avoid or reduce serious interference caused by the communication state change of the first modem, and relatively guarantee the communication of the first modem.
The control program may perform a and b simultaneously, i.e. restrict both the change of the communication state of the first modem and the communication of the second modem, e.g. reduce the transmit power of the first modem and the second modem simultaneously. This way, it is possible to reduce the severe interference introduced by the communication state change of the first modem and at the same time secure the basic communication functions of the first modem and the second modem.
In some embodiments, when the new frequency band and the current frequency band are the same frequency band, blocking communication of the first modem or the second modem.
When the new band of the first modem is the same as the current band of the second modem, the communication frequency ranges of the two modems will overlap, and simply reducing the power of the modems may still not significantly reduce interference, thus blocking communication to either the first modem or the second modem in such a case to completely eliminate interference between the modems.
In some embodiments, the transmit power of at least one of the first modem and the second modem is limited when the new frequency band and the current frequency band are adjacent frequency bands.
When the new frequency band of the first modem and the current frequency band of the second modem are adjacent frequency bands, that is, the difference between the center frequencies of the new frequency band and the current frequency band is smaller than a preset threshold (for example, 40MHz), reducing the transmission power of a certain modem can significantly reduce interference without completely blocking communication of a certain modem, so that in this case, the transmission power of the first modem or the second modem can be reduced to reduce interference between modems, and certainly, the power of the first modem and the power of the second modem can be reduced at the same time.
In some embodiments, when the new band and the current band are adjacent bands, the transmit power of at least one of the first modem and the second modem is limited according to the degree of adjacency between the new band and the current band.
When the new frequency band and the current frequency band are adjacent frequency bands, the higher the proximity degree of the new frequency band and the current frequency band is, the higher the interference degree is, and the limitation on the modem is also required to be stricter. At this time, a plurality of frequency band adjacent thresholds, such as a first threshold and a second threshold, may be set, where the first threshold is smaller than the second threshold. When the difference between the center frequencies of the new frequency band and the current frequency band is smaller than a first threshold, reducing the transmission power of the first modem and/or the second modem by a first limiting amount, and when the difference between the center frequencies of the new frequency band and the current frequency band is larger than the first threshold and smaller than a second threshold, reducing the transmission power of the first modem and/or the second modem by a second limiting amount, wherein the first limiting amount is larger than the second limiting amount, which can be the decibel number for reducing the transmission power or the proportion for reducing the transmission power, for example, the first limiting amount is 20dBm, and the second limiting amount is 10 dBm.
In some embodiments, the communication state change information of the first modem further includes information of a new service changed by the first modem; the communication state information of the second modem further comprises information of current service of the second modem; when the new frequency band and the current frequency band are interfering frequency bands and the new service level is lower than the current service level, limiting the communication state change of the first modem; or, when the new frequency band and the current frequency band are interfering frequency bands and the new service level is not lower than the current service level, restricting the communication of the second modem.
The communication state change information of the first modem obtained in step 101 further includes information of a new service that the first modem requests to change or has changed to, and the control program can determine the service level of the first modem for subsequent operation according to the information of the new service. For example, the new service may be a voice call service, and for an intelligent mobile terminal, the service level of the voice call service is usually the highest.
The communication status information of the second modem determined in step 102 further includes information of the current service of the second modem, and the control program can determine the service level of the second modem according to the information of the current service. For example, the current service may be a data interaction service, and for the intelligent mobile terminal, the service level of the data interaction service is generally lower than that of the voice call service.
In step 103, that is, in addition to the above-described embodiment, when it is possible to select to limit the change of the communication state of the first modem or to limit the communication of the second modem, it is possible to preferentially select to limit the modem having a lower communication service level. For example, when the second modem is performing a data interaction service, the first modem initiates a voice call service request, and the frequency bands of the two are interfering frequency bands, and at this time, because the level of the data interaction service is lower than that of the voice call service, the communication of the first modem is preferentially guaranteed, that is, the communication state of the first modem is allowed to be changed, and the communication of the second modem is preferentially blocked or the transmission power of the second modem is preferentially reduced. For example, when the second modem is performing data interactive service, the first modem also initiates a data interactive service request, and the frequency bands of the two are interfering frequency bands, and at this time, although the service levels of the two are the same, the first modem considers that the communication state change is newly initiated, so that the communication of the first modem can be preferentially ensured, that is, the communication of the second modem is preferentially blocked or the transmission power of the second modem is preferentially reduced while the communication state change of the first modem is allowed.
In some embodiments, when there is harmonic interference in the new frequency band and the current frequency band, the transmission power of the modem to which the frequency band corresponding to the fundamental frequency in the harmonic interference belongs is limited.
Since the harmonic frequency component of the fundamental wave interferes with the radio wave having the same frequency as the harmonic frequency, the harmonic interference is present when the center frequency of the new band and the center frequency of the current band are in an integral multiple relationship, and at this time, it is possible to judge whether the fundamental wave frequency is the center frequency of the new band or the center frequency of the current band while allowing the communication state change of the first modem, and to preferentially restrict the modem to which the band corresponding to the fundamental wave frequency belongs. For example, when the first modem requests to communicate in the LTE B8 band and the second modem is currently communicating in the GSM1800 band, the transmit power of the first modem (10dBm) can be reduced to ensure the second modem operates properly, considering that the second harmonic of LTE B8 can cause interference to GSM 1800.
In some embodiments, when intermodulation interference exists between the new band and the current band, limiting the transmission power of the modem to which the band causing intermodulation interference belongs, wherein the band causing intermodulation interference is the band of the new band and the current band that interferes with the reception of signals of the other band.
In the communication process of a nonlinear device or a propagation medium, when two or more signals exist, due to the effect of nonlinearity, the combined frequency of the two signals is sometimes exactly equal to or close to the communication signal receiving frequency and is received to cause interference, i.e., intermodulation interference. In the intermodulation interference situation, if the frequency band of the first modem or the second modem will interfere with the signal reception of the other party, the transmit power of the modem of the interference causing party is limited. For example, when the first modem requests communication in the GSM DCS band at 1730MHz, and the second modem is currently communicating in the LTE B5 band at 840MHz, considering 1730MHz-840 MHz-890 MHz, and 890MHz falls within the receiving frequency range of LTE B5, which may cause second-order intermodulation interference, the control program will allow the communication status of the first modem to change, but reduce the transmit power of the first modem to reduce its interference with the reception of the second modem signals. For example, when the first modem requests to communicate in the CDMA BC1 band with a transmitting frequency of 1860MHz and the second modem is currently communicating in the LTE B3 band with a transmitting frequency of 1780MHz, considering 2 × 1860 + 1940 MHz-1940 MHz, and 1940MHz falls within the receiving frequency range of CDMA BC1, thereby causing third-order intermodulation interference, the control program will allow the communication status of the first modem to be changed and reduce the transmitting power of the second modem to reduce the interference of the second modem on the signal reception of the first modem.
In some embodiments, the first modem and the second modem are released from communication restrictions when the new band and the current band are non-interfering bands.
When the new frequency band and the current frequency band do not belong to the interfered frequency band, namely the frequency bands are different, are not adjacent and do not have an integral multiple relation or other interference relations, the communication state of the first modem is allowed to be changed, and the communication between the first modem and the second modem is not limited. If in the foregoing embodiment communication of a certain modem has been blocked or the transmission power of a certain modem has been reduced, when the new frequency band and the current frequency band are no longer correlated, the previous blocking is removed or the transmission power of a certain modem is restored.
The invention provides a modem control method, when the communication state of a modem needs to be changed, the change of the communication state and/or the communication state of other modems can be reasonably controlled according to the current communication state of other modems, so that each modem cannot have serious interference due to the correlation of communication frequency bands. The invention can distinguish the conditions of same frequency band, adjacent frequency band, harmonic interference or intermodulation interference when the frequency bands of two modems have related conditions, select to block the communication of a certain modem or reduce the transmitting power of a certain modem so as to reduce the interference between the modems, and can correspondingly adjust the reducing degree of the transmitting power according to the adjacent degree of the frequency bands, thereby having strong adaptability; the communication of the modem with relatively low service level can be selectively blocked or limited according to the communication service level related to the two modems, so that the user experience is improved; meanwhile, when the interference between the modems does not exist any more, the modems can not be limited any more, and the communication capacity of each modem is fully utilized.
Example two:
based on the same inventive concept, the embodiment of the present invention further provides a modem control device, and as the principle of solving the problems of these devices is similar to the modem control method, the implementation of these devices can refer to the implementation of the method, and repeated details are not repeated. Fig. 2 shows a schematic structural diagram of a second modem control apparatus according to an embodiment of the present invention, and as shown in the drawing, the apparatus 200 includes:
a state determining module 201, configured to obtain communication state change information of a first modem, where the communication state change information includes information of a new frequency band changed by the first modem;
the state determining module 201 is further configured to determine communication state information of a second modem, where the communication state information includes information of a current frequency band of the second modem;
a control module 202, configured to control a communication state change of the first modem and/or control communication of the second modem according to interference conditions of the new frequency band and the current frequency band.
In some embodiments, the control module 202 is specifically configured to limit communication of at least one of the first modem and the second modem when the new frequency band and the current frequency band are interfering frequency bands.
In some embodiments, the control module 202 is specifically configured to block communication of the first modem or the second modem when the new frequency band and the current frequency band are the same frequency band.
In some embodiments, the control module 202 is specifically configured to limit the transmission power of at least one of the first modem and the second modem when the new frequency band and the current frequency band are adjacent frequency bands.
In some embodiments, said limiting the transmit power of at least one of said first modem and said second modem comprises:
and limiting the transmitting power of at least one modem in the first modem and the second modem according to the adjacent degree of the new frequency band and the current frequency band.
In some embodiments, the communication state change information of the first modem further includes information of a new service changed by the first modem; the communication state information of the second modem further comprises information of current service of the second modem;
the control module 202 is specifically configured to, when the new frequency band and the current frequency band are interfering frequency bands and the new service level is lower than the current service level, limit a communication state change of the first modem; or,
and when the new frequency band and the current frequency band are interference frequency bands and the new service level is not lower than the current service level, limiting the communication of the second modem.
In some embodiments, the control module 202 is specifically configured to, when there is harmonic interference in the new frequency band and the current frequency band, limit the transmission power of the modem to which the frequency band corresponding to the fundamental frequency in the harmonic interference belongs.
In some embodiments, the control module 202 is specifically configured to, when intermodulation interference exists between the new frequency band and the current frequency band, limit a transmission power of a modem to which a frequency band causing intermodulation interference belongs, where the frequency band causing intermodulation interference is a frequency band of the new frequency band and the current frequency band interfering with signal reception of another frequency band.
In some embodiments, the control module 202 is further configured to remove the communication restriction on the first modem and the second modem when the new frequency band and the current frequency band are non-interfering frequency bands.
Example three:
based on the same inventive concept, the embodiment of the present invention further provides a modem control electronic device, and as the principle of the modem control electronic device is similar to that of a modem control method, the implementation of the method can be referred to, and repeated details are not repeated. As shown in fig. 3, the electronic device 300 includes: a plurality of modems 301, memory 302, one or more processors 303; and one or more modules stored in the memory and configured to be executed by the one or more processors, the one or more modules including instructions for performing the steps of any of the above-described methods.
In this embodiment, the electronic device may be a mobile phone, a tablet computer, a robot, or other intelligent devices.
In some embodiments, the electronic device is a robot.
Example four:
based on the same inventive concept, the embodiment of the present invention further provides a modem control computer program product used in combination with an electronic device, and since the principle of the modem control computer program product is similar to that of a modem control method, the implementation of the method can be referred to, and repeated details are not repeated. The computer program product comprises a computer readable storage medium and a computer program mechanism embedded therein, the computer program mechanism comprising instructions for performing the steps of any of the foregoing methods.
For convenience of description, each part of the above-described apparatus is separately described as functionally divided into various modules. Of course, the functionality of the various modules or units may be implemented in the same one or more pieces of software or hardware in practicing the invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
Claims (21)
1. A modem control method, the method comprising:
before the communication state of a first modem is changed, acquiring communication state change information of the first modem, wherein the communication state change information is a communication state change request sent by the first modem, and the communication state change information comprises information of a new frequency band changed by the first modem;
determining communication state information of a second modem, wherein the communication state information comprises information of a current frequency band of the second modem;
and controlling the communication state change of the first modem and/or controlling the communication of the second modem according to the interference conditions of the new frequency band and the current frequency band.
2. The method as claimed in claim 1, wherein said controlling the change of the communication status of the first modem and/or controlling the communication of the second modem according to the interference situation of the new frequency band and the current frequency band comprises:
and when the new frequency band and the current frequency band are the interfered frequency bands, limiting the communication of at least one modem in the first modem and the second modem.
3. The method of claim 2, wherein restricting communication for at least one of the first modem and the second modem when the new band and the current band are interfering bands comprises:
and when the new frequency band and the current frequency band are the same frequency band, blocking the communication of the first modem or the second modem.
4. The method of claim 2, wherein restricting communication for at least one of the first modem and the second modem when the new band and the current band are interfering bands comprises:
and limiting the transmission power of at least one of the first modem and the second modem when the new frequency band and the current frequency band are adjacent frequency bands.
5. The method of claim 4, wherein said limiting a transmit power of at least one of the first modem and the second modem comprises:
and limiting the transmitting power of at least one modem in the first modem and the second modem according to the adjacent degree of the new frequency band and the current frequency band.
6. The method according to any of claims 2 to 5, wherein the communication state change information of the first modem further includes information of a new service changed by the first modem; the communication state information of the second modem further comprises information of current service of the second modem;
when the new frequency band and the current frequency band are interfering frequency bands, restricting communication of at least one modem of the first modem and the second modem, including:
when the new frequency band and the current frequency band are interfering frequency bands and the new service level is lower than the current service level, limiting the communication state change of the first modem; or,
and when the new frequency band and the current frequency band are interference frequency bands and the new service level is not lower than the current service level, limiting the communication of the second modem.
7. The method of claim 2, wherein restricting communication for at least one of the first modem and the second modem when the new band and the current band are interfering bands comprises:
and when the new frequency band and the current frequency band have harmonic interference, limiting the transmitting power of the modem to which the frequency band corresponding to the fundamental frequency in the harmonic interference belongs.
8. The method of claim 2, wherein restricting communication for at least one of the first modem and the second modem when the new band and the current band are interfering bands comprises:
and when intermodulation interference exists between the new frequency band and the current frequency band, limiting the transmitting power of a modem to which the frequency band causing the intermodulation interference belongs, wherein the frequency band causing the intermodulation interference is the frequency band interfering the signal reception of the other frequency band in the new frequency band and the current frequency band.
9. The method of claim 2, wherein the method further comprises:
and when the new frequency band and the current frequency band are non-interfering frequency bands, releasing the communication restriction on the first modem and the second modem.
10. A modem control apparatus, the apparatus comprising:
a state determining module, configured to obtain communication state change information of a first modem before a communication state of the first modem is changed, where the communication state change information is a communication state change request sent by the first modem, and the communication state change information includes information of a new frequency band changed by the first modem;
the state determining module is further configured to determine communication state information of a second modem, where the communication state information includes information of a current frequency band of the second modem;
and the control module is used for controlling the communication state change of the first modem and/or controlling the communication of the second modem according to the interference conditions of the new frequency band and the current frequency band.
11. The apparatus of claim 10,
the control module is specifically configured to limit communication of at least one of the first modem and the second modem when the new frequency band and the current frequency band are interfering frequency bands.
12. The apparatus of claim 11,
the control module is specifically configured to block communication of the first modem or the second modem when the new frequency band and the current frequency band are the same frequency band.
13. The apparatus of claim 11,
the control module is specifically configured to limit a transmit power of at least one of the first modem and the second modem when the new frequency band and the current frequency band are adjacent frequency bands.
14. The apparatus of claim 13, wherein the limiting transmit power of at least one of the first modem and the second modem comprises:
and limiting the transmitting power of at least one modem in the first modem and the second modem according to the adjacent degree of the new frequency band and the current frequency band.
15. The apparatus of any of claims 11 to 14, wherein the communication state change information of the first modem further comprises information of a new service changed by the first modem; the communication state information of the second modem further comprises information of current service of the second modem;
the control module is specifically configured to, when the new frequency band and the current frequency band are interfering frequency bands and the new service level is lower than the current service level, limit a communication state change of the first modem; or,
and when the new frequency band and the current frequency band are interference frequency bands and the new service level is not lower than the current service level, limiting the communication of the second modem.
16. The apparatus of claim 11,
the control module is specifically configured to limit, when harmonic interference exists in the new frequency band and the current frequency band, transmission power of a modem to which a frequency band corresponding to a fundamental frequency in the harmonic interference belongs.
17. The apparatus of claim 11,
the control module is specifically configured to, when intermodulation interference exists between the new frequency band and the current frequency band, limit a transmission power of a modem to which a frequency band causing the intermodulation interference belongs, where the frequency band causing the intermodulation interference is a frequency band interfering with signal reception of another frequency band of the new frequency band and the current frequency band.
18. The apparatus of claim 11,
the control module is further configured to remove communication restriction on the first modem and the second modem when the new frequency band and the current frequency band are non-interfering frequency bands.
19. An electronic device, characterized in that the electronic device comprises:
a plurality of modems, memory, one or more processors; and one or more modules stored in the memory and configured to be executed by the one or more processors, the one or more modules including instructions for performing the steps of the method of any of claims 1-9.
20. The electronic device of claim 19, wherein the electronic device is a robot.
21. A computer program product for use in conjunction with an electronic device, the computer program product comprising a computer readable storage medium and a computer program mechanism embedded therein, the computer program mechanism comprising instructions for carrying out each of the steps of the method according to any one of claims 1 to 9.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/108800 WO2018102999A1 (en) | 2016-12-07 | 2016-12-07 | Modem control method and apparatus, electronic device, and computer program product |
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| CN106797576A CN106797576A (en) | 2017-05-31 |
| CN106797576B true CN106797576B (en) | 2020-04-07 |
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| WO2020000347A1 (en) | 2018-06-29 | 2020-01-02 | 华为技术有限公司 | Method for performing communication service by using multiple modems |
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| CN100399849C (en) * | 2005-03-31 | 2008-07-02 | 联想(北京)有限公司 | Multi-mode coexistence method for multi mode communication equipment |
| US9326309B2 (en) * | 2013-04-30 | 2016-04-26 | Intellectual Discovery Co., Ltd. | Method and apparatus for supporting communication of multi-mode terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102547731A (en) * | 2010-12-21 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for avoiding coexistence interference |
| CN102724671A (en) * | 2011-03-29 | 2012-10-10 | 中兴通讯股份有限公司 | Method and apparatus for processing in-device coexistence interference |
| CN102264158A (en) * | 2011-08-04 | 2011-11-30 | 华为终端有限公司 | Multimode device operating method and multimode device |
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| WO2018102999A1 (en) | 2018-06-14 |
| CN106797576A (en) | 2017-05-31 |
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