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WO2018102999A1 - Procédé et appareil de commande de modem, dispositif électronique et produit-programme d'ordinateur - Google Patents

Procédé et appareil de commande de modem, dispositif électronique et produit-programme d'ordinateur Download PDF

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Publication number
WO2018102999A1
WO2018102999A1 PCT/CN2016/108800 CN2016108800W WO2018102999A1 WO 2018102999 A1 WO2018102999 A1 WO 2018102999A1 CN 2016108800 W CN2016108800 W CN 2016108800W WO 2018102999 A1 WO2018102999 A1 WO 2018102999A1
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WO
WIPO (PCT)
Prior art keywords
modem
frequency band
communication
new
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/108800
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English (en)
Chinese (zh)
Inventor
张含波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cloudminds Shenzhen Robotics Systems Co Ltd
Original Assignee
Cloudminds Shenzhen Robotics Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cloudminds Shenzhen Robotics Systems Co Ltd filed Critical Cloudminds Shenzhen Robotics Systems Co Ltd
Priority to CN201680002806.1A priority Critical patent/CN106797576B/zh
Priority to PCT/CN2016/108800 priority patent/WO2018102999A1/fr
Publication of WO2018102999A1 publication Critical patent/WO2018102999A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • 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
    • 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
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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]
    • H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a modem control method, apparatus, electronic device, and computer program product.
  • LTE Long Term Evolution
  • MIMO Multi-Input & Multi-Output
  • Distribution 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz, etc., and support the global mainstream 2G/3G frequency band and some new frequency bands, so the spectrum allocation is more flexible, system capacity and coverage are also significantly improved.
  • LTE modems in a mobile terminal. These LTE cats are connected to one or more SIM cards to increase the transmission rate of one SIM card or enable multiple SIM cards to be simultaneously Communication status. Under these circumstances, there will be serious interference in the transmission and reception of the antennas of the LTE modems, resulting in an increase in the transmission error rate, a serious deterioration in communication quality, and inability to complete communication in severe cases.
  • the main problem in the prior art is that there may be severe interference when multiple modems are working at the same time, so that communication cannot be completed.
  • the embodiment of the invention provides a modem control method, device, electronic device and computer program product, which are mainly used to solve the problem that a plurality of modems may have serious interference when working at the same time, so that communication cannot be completed.
  • 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 after the first modem is changed;
  • the communication status information including information of a current frequency band of the second modem
  • Controlling by the new frequency band and the interference condition of the current frequency band, a change of a communication state of the first modem, and/or controlling a communication state of the second modem.
  • an embodiment of the present invention provides a modem control apparatus, where the apparatus includes:
  • a state determining module configured to acquire communication state change information of the first modem, where the communication state change information includes information of a new frequency band after the first modem is changed;
  • the state determining module is further configured to determine communication state information of the second modem, where the communication state information includes information of a current frequency band of the second modem;
  • a control module configured to control, according to the interference condition of the new frequency band and the current frequency band, a communication state change of the first modem, and/or control a communication state of the second modem.
  • an embodiment of the present invention provides an electronic device, including: a plurality of modems, a memory, one or more processors; and one or more modules, the one or more A plurality of modules are 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 various steps of any of the above methods.
  • embodiments of the present invention provide a computer program product for use 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 Instructions are included for performing the various steps in any of the above methods.
  • the present invention provides a modem control method capable of properly controlling the change of the communication state and/or the communication state of other modems according to the current communication state of other modems when the communication state of a modem needs to be changed, so that the modems do not There will be serious interference due to the communication band correlation.
  • FIG. 1 is a schematic flow chart of a modem control method according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a modem control apparatus according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic structural diagram of an electronic device in Embodiment 3 of the present application.
  • the present invention provides a modem control method capable of properly controlling the change of the communication state and/or the communication state of other modems according to the current communication state of other modems when the communication state of a modem needs to be changed. Make each modem not subject to serious interference due to communication band correlation.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the modem control method includes:
  • Step 101 Acquire communication state change information of the first modem, where the communication state is changed.
  • the information includes information of a new frequency band after the change of the first modem;
  • Step 102 Determine communication state information of the second modem, where the communication state information includes information about a current frequency band of the second modem.
  • Step 103 Control a communication state change of the first modem according to the interference condition of the new frequency band and the current frequency band, and/or control a communication state of the second modem.
  • the control program acquires communication state change information of the first modem, and the communication state change information may be a request for communication state change, and is actively sent to the control program by the first modem; or may be after the first modem communication state is changed.
  • the communication state change information of the first modem includes at least information of a new frequency band requested by the first modem to be changed or changed, and the frequency band information control program can determine the frequency of subsequent operation of the first modem.
  • the frequency band information may be a standard frequency band identifier, such as LTE B8, according to which the frequency range of the subsequent operation of the first modem may be determined.
  • the control program determines communication state information of the second modem, and the communication state information may be obtained by the control program monitoring the communication state of the second modem in real time after the above step 101; the second modem may also be periodically acquired. The latest information in the communication status information; or the communication status information acquired by the second modem when the self-communication status changes each time, as long as the information is not updated, it is used as the current communication status information of the second modem.
  • the communication status information of the second modem includes at least information about the current frequency band of the second modem.
  • the frequency band information may be a standard frequency band identifier, such as GSM1800. According to the identifier control program, the current second modem works. The frequency range. When the first tune When the modem is currently in the non-working state, the information of the current frequency band is no frequency band, or it may be understood that the information of the current frequency band is a default value.
  • step 103 the communication state change of the first modem is controlled according to the interference condition of the new frequency band and the current frequency band.
  • the interference situation of the new frequency band and the current frequency band may be phase interference or non-phase interference, wherein the phase interference indicates that there is interference between the new frequency band and the current frequency band, which may be mutual interference between frequency bands, or may be a unilateral frequency band.
  • non-phase interference indicates that there is no interference in the new frequency band and the current frequency band, or even if the new frequency band or the current frequency band has some influence on the other party, it is known to those skilled in the art that the degree of influence does not interfere with the communication.
  • the communication state change of the first modem can be controlled, or the communication state of the second modem can be controlled, or both can be controlled simultaneously to avoid the communication state of the first modem. Changes to the system cause serious interference.
  • the frequency band information is no frequency band (or the default value), it indicates that there is no communication service and no interference occurs, so no frequency band (or default value) and any other frequency band are non-interfering frequency bands.
  • step 103 specifically includes limiting communication of at least one of the first modem and the second modem when the new frequency band and the current frequency band are mutually interfered frequency bands.
  • the new frequency band may be the same as the current frequency band, the adjacent frequency band, the frequency center of the frequency band may have a multiple relationship or other various phase interference situations, and the first modem and the second modem are in these cases.
  • the first modem and the second modem are in these cases.
  • any one or all of the following control modes can be performed:
  • the control program may execute a to limit the communication state change of the first modem, which may be to limit the change of its state, for example, when the first modem initiates a data service communication,
  • the communication request may be blocked or its data communication service disabled; the restriction may also be a limitation on the modem itself, such as reducing the transmit power of the first modem by a certain amount or ratio. This approach can avoid or reduce severe interference introduced by changes in the communication state of the first modem and relatively secure communication with the second modem.
  • the control program may also execute b to limit the communication of the second modem, the same restriction may be to limit its communication, such as blocking communication of the second modem, ie, stopping its current communication service; the limitation may also be The limitations of the modem itself, such as reducing the transmit power of the first modem by a certain amount or ratio.
  • the change of the communication state of the first modem can be allowed, that is, the change of the communication state is not blocked. This approach can also avoid or reduce severe interference introduced by changes in the communication state of the first modem and relatively secure communication with the first modem.
  • the control program can perform a and b simultaneously, that is, restricting the change of the communication state of the first modem and the communication of the second modem, for example, simultaneously reducing the transmission powers of the first modem and the second modem. This way it is possible to reduce the severe interference introduced by the change in the communication state of the first modem and at the same time to guarantee the basic communication functions of the first modem and the second modem.
  • the communication of the first modem or the second modem is blocked when the new frequency band and the current frequency band are the same frequency band.
  • the communication frequency ranges of the two modems will overlap, and only reducing the power of the modem may still not significantly reduce the interference, so in this case, the first modem is blocked or Communication by the second modem to completely eliminate interference between modems.
  • 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.
  • the transmission power of a certain modem can significantly reduce the interference without completely blocking the communication of a certain modem, so In this case, the transmission power of the first modem or the second modem can be lowered to reduce interference between modems, and of course, the power of the first modem and the second modem can be simultaneously reduced.
  • a preset threshold for example, 40 MHz
  • the first modem and the second modem are restricted according to a neighboring degree of the new frequency band and the current frequency band.
  • the transmit power of a modem when the new frequency band and the current frequency band are adjacent frequency bands, at least the first modem and the second modem are restricted according to a neighboring degree of the new frequency band and the current frequency band.
  • a plurality of band adjacent thresholds may be set at this time, such as a first threshold and a second threshold, wherein the first threshold is less than the second threshold.
  • the transmission power of the first modem and/or the second modem is decreased by the first limit amount, and the difference between the center frequency of the new frequency band and the current frequency band
  • the transmit power of the first modem and/or the second modem is decreased by the second limit, wherein the first limit is greater than the second limit, which may be a decibel of reduced transmit power
  • the number may also be a ratio of reducing the transmission power, for example, the first limit amount is 20 dBm, and the second limit amount is 10 dBm.
  • the communication state change information of the first modem further includes information of a new service after the first modem is changed; the communication state information of the second modem further includes a current service of the second modem. Restricting the communication state change of the first modem when the new frequency band and the current frequency band are mutually interfered frequency bands, and the new service level is lower than the current service level; or When the new frequency band and the current frequency band are phase interference frequency bands, and the new service level is not lower than the current service level, the communication of the second modem is restricted.
  • the communication state change information of the first modem obtained in step 101 further includes information of a new service requested by the first modem or changed, according to the new service.
  • the information control program is capable of determining the level of service for the subsequent operation of the first modem.
  • 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 about the current service of the second modem, and the information control program according to the current service can determine the service level at which the second modem is currently working.
  • the current service may be a data interaction service.
  • the service level of the data interaction service is usually lower than the service level of the voice call service.
  • step 103 when it is possible to selectively limit the communication state change of the first modem or to restrict the communication of the second modem, it is preferable to restrict the modem having a lower communication service level.
  • the second modem when the second modem is performing data interaction service, the first modem initiates a voice call service request, and the frequency bands of the two modems are mutually interfered frequency bands.
  • priority protection is provided.
  • the communication of the first modem that is, allowing the communication state of the first modem to change, preferentially blocks communication of the second modem or preferentially reduces the transmission power of the second modem.
  • the first modem When the second modem is performing data interaction service, for example, the first modem also initiates a data interaction service request, and the frequency bands of the two modems are mutually interfered frequency bands. At this time, although the service levels of the two are the same, the first modem is considered.
  • the communication state change is newly initiated, so that the communication of the first modem can still be preferentially guaranteed, that is, the communication state of the first modem is allowed to be changed, the communication of the second modem is preferentially blocked, or the transmission power of the second modem is preferentially reduced.
  • the transmit power of the modem to which the frequency band corresponding to the fundamental frequency belongs in the harmonic interference is limited.
  • the harmonic frequency component of the fundamental wave will interfere with the same harmonic wave frequency
  • the fundamental frequency is the new frequency band.
  • the center frequency is also the center frequency of the current frequency band, and the priority is given to the modem to which the frequency band corresponding to the fundamental frequency belongs.
  • the transmit power of the first modem can be reduced. (10dBm) to ensure the normal operation of the second modem.
  • the frequency band causing intermodulation interference is the new frequency band and A frequency band in the current frequency band that interferes with reception of another frequency band signal.
  • the combined frequency of the two signals is sometimes equal to or close to the reception frequency of the communication signal and is received and interfered.
  • This interference is the intermodulation interference.
  • intermodulation interference if the frequency band of the first modem or the second modem will interfere with the signal reception of the other party, the transmission power of the modem causing the interference is limited.
  • the first modem requests communication in the GSM DCS band
  • its transmission frequency is 1730 MHz
  • the second modem is currently communicating in the LTE B5 band
  • its transmission frequency is 840 MHz
  • the control program will allow the communication state of the first modem to change, but reduce the transmit power of the first modem to reduce its reception of the second modem signal. Interference.
  • the first modem requests communication in the CDMABC1 band
  • its transmission frequency is 1860MHz
  • the second modem is currently communicating in the LTE B3 band
  • its transmission frequency is 1780MHz
  • the control program will allow the communication state of the first modem to change, and reduce the transmit power of the second modem to reduce its reception of the first modem signal. Interference.
  • the communication state of the first modem is allowed to change, and the first Communication between a modem and the second modem. If the communication of a certain modem has been blocked in the foregoing embodiment, or the transmission power of a certain modem is lowered, when the new frequency band and the current frequency band are no longer relevant, the previous blocking is cancelled or the transmission power of a certain modem is restored.
  • the present invention provides a modem control method capable of properly controlling the change of the communication state and/or the communication state of other modems according to the current communication state of other modems when the communication state of a modem needs to be changed, so that the modems do not There will be serious interference due to the communication band correlation.
  • the invention can distinguish between the same frequency band, the adjacent frequency band, the presence of harmonic interference or the existence of intermodulation interference when the two frequency bands of the two modems are related, and choose to block communication of a certain modem or reduce the transmission power of a certain modem to reduce Inter-modem interference, and the degree of transmission power reduction can be adjusted according to the degree of adjacent frequency band, and the adaptability is strong; the communication of the modem with relatively low service level can be selected according to the communication service level involved in the two modems, Improve the user experience; at the same time, when there is no interference between modems, the modem can be no longer restricted, and the communication capabilities of each modem can be fully utilized.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 is a schematic structural diagram of a modem control apparatus according to Embodiment 2 of the present invention. As shown in the figure, the apparatus 200 includes:
  • a state determining module 201 configured to acquire communication state change information of the first modem, where the communication state change information includes information of a new frequency band after the first modem is changed;
  • the state determining module 201 is further configured to determine communication state information of the second modem, where the communication state information includes information about a current frequency band of the second modem;
  • the control module 202 is configured to control, according to the interference condition of the new frequency band and the current frequency band, a communication state change of the first modem, and/or control communication of the second modem.
  • control module 202 is specifically configured to limit communication between the first modem and the second modem when the new frequency band and the current frequency band are mutually interfered frequency bands. .
  • 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.
  • control module 202 is configured to limit 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.
  • the limiting the transmit power of at least one of the first modem and the second modem comprises:
  • the communication state change information of the first modem further includes information of a new service after the first modem is changed; the communication state information of the second modem further includes a current service of the second modem. Information;
  • the control module 202 is specifically configured to limit a communication state of the first modem when the new frequency band and the current frequency band are mutually interfered frequency bands, and the new service level is lower than the current service level. Change; or,
  • the communication of the second modem is restricted when the new frequency band and the current frequency band are mutually interfered frequency bands, and the new service level is not lower than the current service level.
  • control module 202 is specifically configured to limit a modulation solution corresponding to a frequency band corresponding to the fundamental frequency in the harmonic interference when the new frequency band and the current frequency band have harmonic interference.
  • the transmit power of the modulator is specifically configured to limit a modulation solution corresponding to a frequency band corresponding to the fundamental frequency in the harmonic interference when the new frequency band and the current frequency band have harmonic interference.
  • control module 202 is specifically configured to limit, when the new frequency band and the current frequency band have intermodulation interference, a transmit power of a modem to which a frequency band causing intermodulation interference belongs, where the intermodulation is caused.
  • the frequency band of interference is the frequency band in which the new frequency band and the current frequency band interfere with the reception of another frequency band signal.
  • control module 202 is further configured to release communication restrictions on the first modem and the second modem when the new frequency band and the current frequency band are non-interfering frequency bands.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the modem control electronic device is also provided in the embodiment of the present invention. Since the principle is similar to the modem control method, the implementation of the method can be referred to the implementation of the method, and the repeated description is not repeated.
  • the electronic device 300 includes: a plurality of modems 301, a memory 302, one or more processors 303; and one or more modules, the one or more modules being stored in the memory And configured to be executed by the one or more processors, the one or more modules comprising instructions for performing the various steps of any of the above methods.
  • the electronic device may be a mobile phone, a tablet computer, a robot, or other smart device.
  • the electronic device is a robot.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the embodiment of the present invention further provides a modem control computer program product for use in combination with an electronic device. Since the principle is similar to the modem control method, the implementation of the method may refer to the implementation of the method, and the repeated description is not repeated.
  • the computer program product comprises a computer readable storage medium and a computer program mechanism embodied therein, the computer program mechanism comprising instructions for performing the various steps of any of the foregoing methods.
  • embodiments of the present invention can 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 a combination of software and hardware. Moreover, the invention can 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, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention concerne un procédé et un appareil de commande de modem, un dispositif électronique et un produit-programme d'ordinateur. Le procédé consiste à : acquérir des informations de changement d'état de communication d'un premier modem, les informations de changement d'état de communication comprenant des informations liées à une nouvelle bande de fréquences après que l'état de communication du premier modem a changé ; déterminer des informations d'état de communication d'un second modem, les informations d'état de communication comprenant des informations liées à une bande de fréquences actuelle du second modem ; et commander un changement d'état de communication du premier modem et/ou un état de communication du second modem selon une condition d'interférences de la nouvelle bande de fréquences et de la bande de fréquences actuelle. La présente invention concerne un procédé de commande de modem. Lorsqu'un état de communication d'un modem doit être changé, un changement de l'état de communication et/ou l'état de communication d'un autre modem peuvent être raisonnablement commandés vers un état de communication actuel de l'autre modem de sorte qu'il n'y a pas d'interférences graves causées par une corrélation de bandes de fréquences de communication entre des modems.
PCT/CN2016/108800 2016-12-07 2016-12-07 Procédé et appareil de commande de modem, dispositif électronique et produit-programme d'ordinateur Ceased WO2018102999A1 (fr)

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CN201680002806.1A CN106797576B (zh) 2016-12-07 2016-12-07 调制解调器控制方法、装置、电子设备和计算机程序产品
PCT/CN2016/108800 WO2018102999A1 (fr) 2016-12-07 2016-12-07 Procédé et appareil de commande de modem, dispositif électronique et produit-programme d'ordinateur

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