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WO2013017035A1 - Principe de fonctionnement d'un appareil multimodal et ledit appareil multimodal - Google Patents

Principe de fonctionnement d'un appareil multimodal et ledit appareil multimodal Download PDF

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Publication number
WO2013017035A1
WO2013017035A1 PCT/CN2012/079199 CN2012079199W WO2013017035A1 WO 2013017035 A1 WO2013017035 A1 WO 2013017035A1 CN 2012079199 W CN2012079199 W CN 2012079199W WO 2013017035 A1 WO2013017035 A1 WO 2013017035A1
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WIPO (PCT)
Prior art keywords
communication mode
channel
frequency band
working
current working
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Application number
PCT/CN2012/079199
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English (en)
Chinese (zh)
Inventor
陈代挺
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华为终端有限公司
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Publication of WO2013017035A1 publication Critical patent/WO2013017035A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Definitions

  • the present application claims priority to Chinese Patent Application No. 201110222758.6, entitled “Working Method and Multimode Device for Multimode Devices", filed on August 4, 2011, the entire contents of which are incorporated herein by reference.
  • TECHNICAL FIELD The present invention relates to the field of wireless communications, and more particularly to a method of operating a multimode device and a multimode device.
  • DECT Digital Enhanced Cordless Telephone
  • GSM Global System for Mobile Communications
  • WCDMA Wideband Code Division Multiple Access
  • the prior art is mainly implemented by hardware isolation when solving the interference problem between GSM and DECT, for example, placing the GSM antenna and the DECT antenna as far as possible, or using a suitable filter to ensure that the passband is in its own frequency range. Inside, the stop band is in the range of the interference band.
  • the above hardware isolation method can reduce the interference, in the case where the working frequency band corresponding to the current working channel of the GSM is adjacent to the DECT working frequency band itself, the working frequency band corresponding to the current working channel of the GSM and the DECT operating frequency band itself are Interference will cause interference, the above hardware partition The method of separation still cannot effectively solve the interference problem between GSM and DECT.
  • Embodiments of the present invention provide a multimode device operating method and a multimode device capable of effectively solving interference problems between different communication modes during communication.
  • An aspect of the present invention provides a method of operating a multimode device, including:
  • Communication of the first communication mode is performed using the selected working channel of the first communication mode.
  • An aspect of the present invention provides a multimode device, including:
  • a determining unit configured to determine a current working frequency band of the first communication mode and a current working channel of the second communication mode
  • An evaluation unit configured to evaluate mutual interference between each channel of the first communication mode in a current working frequency band and a current working channel of the second communication mode
  • a selecting unit configured to select, according to a result of the evaluating, a working channel used by the first communication mode in the current working frequency band, so that the selected working channel of the first communication mode is The interference between the current working channels of the second communication mode is less than the first communication Interference between a mode of the other channel in the currently operating frequency band and a current working channel of the second communication mode;
  • a communication unit configured to perform communication in the first communication mode by using the selected working channel of the first communication mode.
  • the embodiment of the present invention determines mutual interference between each channel in the current working frequency band and the current working channel in the second communication mode by using the first communication mode, and selects the first communication mode.
  • the communication with the channel with the smallest interference of the second communication mode working channel can effectively reduce the interference between different communication modes during communication, thereby effectively ensuring the communication quality of the multi-mode device and significantly improving the user experience.
  • FIG. 1 is a flow chart of a working method of a multimode device according to an embodiment of the present invention
  • FIG. 2 is another flow chart of a method for operating a multimode device according to an embodiment of the present invention.
  • FIG. 3 is another flow chart of a method for operating a multimode device according to an embodiment of the present invention.
  • FIG. 4 is another flow chart of a method for operating a multimode device according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a multimode device according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of an evaluation unit in a multimode device according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a determining module in a multimode device according to an embodiment of the present invention.
  • FIG. 8 is another structural block diagram of an evaluation unit in a multimode device according to an embodiment of the present invention.
  • the embodiment of the present invention provides a working method of a multi-mode device.
  • the multi-mode device includes at least two communication modes: a first communication mode and a second communication mode. As shown in FIG. 1, the method includes:
  • the embodiment of the present invention determines mutual interference between each channel in the current working frequency band and the current working channel in the second communication mode by using the first communication mode, and according to the evaluation result, selecting the The first communication mode is a channel that is less interfered with the current working channel of the second communication mode in the current working frequency band, as the working channel used, so that the selected selected working channel is in communication with another
  • the interference of another communication mode is small, so that the communication quality of the multimode device can be effectively ensured, and the user experience is obviously improved.
  • the evaluating, in S12, the first communication mode is between each channel in the current working frequency band and a current working channel in the second communication mode.
  • the mutual interference includes:
  • the radio frequency signal amplifier of the second communication mode in the current operating frequency band of the first communication mode can be selected.
  • the determining, if the first communication mode uses each channel in the current working frequency band, whether the radio frequency signal amplifier component of the second communication mode works normally may specifically include:
  • the radio frequency signal amplifier component of the second communication mode operates normally.
  • the maximum power allowed by the signal amplifying device can ensure that the radio frequency signal amplifier component of the second communication mode works normally when the first communication mode is transmitted, that is, the transmission of the first communication mode does not generate the second communication mode.
  • the larger impact ensures both the transmission of the first communication mode and the normal communication of the second communication mode, thereby effectively improving the user body. Test.
  • the evaluating, by the first communication mode, a mutual channel between each channel in the current working frequency band and a current working channel in the second communication mode Interference can specifically include:
  • the first communication mode When the first communication mode is used to use each channel in the current working frequency band, the first communication mode transmits a spur generated in a working frequency range corresponding to a current working channel of the second communication mode. a result of a sum of a product of a working frequency band corresponding to a current working channel of the second communication mode and an attenuation amount of the transmitting power of the first communication mode;
  • selecting a working channel used by the first communication mode in the currently working frequency band includes:
  • the channel corresponding to the minimum value of the calculation result is selected as the working channel used by the first communication mode in the currently operating frequency band.
  • the evaluation mode by evaluating the influence of the first communication mode transmission on the second communication mode reception, enables the second communication mode when the first communication mode uses the channel selected in the current working frequency band
  • the receiving effect is small, thereby ensuring the receiving sensitivity of the second communication mode by reducing the interference, and without increasing the amount of calculation.
  • the evaluating the mutual interference between each channel of the first communication mode in the current working frequency band and the current working channel of the second communication mode may include:
  • selecting a working channel used by the first communication mode in the currently working frequency band includes:
  • the channel corresponding to the minimum value of the calculation result is selected as the working channel used by the first communication mode in the currently operating frequency band.
  • Such an evaluation manner by specifically evaluating the impact of the second communication mode transmission on the reception of the first communication mode, enables the second communication to be performed when the first communication mode uses the channel selected in the currently operating frequency band The influence of the mode is small, thereby ensuring the receiving sensitivity of the first communication mode by reducing the interference, and without increasing the amount of calculation.
  • the mutual interference between each channel of the first communication mode and the current working channel of the second communication mode in the first communication mode may be further included:
  • the first communication mode uses each channel in the currently working frequency band, the first communication mode transmitting a miscellaneous generated in a working frequency band corresponding to a current working channel of the second communication mode Dispersing an attenuation amount of the first communication mode transmission power, the second communication mode transmitting a spur generated in a working frequency band corresponding to the channel of the first communication mode, and the second communication mode The amount of attenuation of the transmitted power;
  • the first communication mode calculates, if the first communication mode uses each channel in the currently working frequency band, the first communication mode transmitting a miscellaneous generated in a working frequency band corresponding to a current working channel of the second communication mode Dispersing the working frequency band corresponding to the current working channel of the second communication mode a sum W1 of the product of the bandwidth and the attenuation amount of the first communication mode transmission power, and a spur of the second communication mode transmitting within the operating frequency band corresponding to the channel of the first communication mode a sum of a product of a working frequency band corresponding to the channel of the first communication mode and an attenuation of a transmission power of the second communication mode;
  • selecting a working channel used by the first communication mode in the currently working frequency band includes:
  • the channel corresponding to the minimum value of the calculation result is selected as the working channel used by the first communication mode in the currently operating frequency band.
  • Such an evaluation manner by specifically evaluating the impact of the first communication mode transmission on the reception of the second communication mode, enabling the second communication to be performed when the first communication mode uses the channel selected in the currently operating frequency band
  • the receiving effect of the mode is small, thereby ensuring the receiving sensitivity of the second communication mode, and specifically evaluating the influence of the second communication mode transmission on the reception of the first communication mode, enabling the current work to be used in the first communication mode.
  • the receiving sensitivity of the first communication mode is also ensured, so that both the first communication mode and the second communication mode can be normally performed with less interference. Communication.
  • the first communication mode is an enhanced digital cordless telephone system DECT
  • the second communication mode is GSM as an example.
  • DECT and GSM are for the purpose of better understanding of the present invention and is not intended to be limiting.
  • the first communication mode and the second communication mode may also be other communication standards.
  • the present invention may also be applied to the case where the first communication mode is DECT and the second communication mode is other mobile communication standards (for example, WCDMA, etc.).
  • the maximum power allowed by the GSM RF signal amplifier component is the maximum power of the GSM RF signal amplifier component. When the maximum power is exceeded, the GSM RF signal amplifier component is not working properly, which may result in GSM communication. Interrupt
  • the channel corresponding to the determination result is set to be the channel selected when calculating the interference with the current working channel of the GSM.
  • the spur generated by the DECT in the working frequency range corresponding to the current working channel of the GSM is obtained by the actual test equipment.
  • DECT transmit power attenuation is included in The amount of attenuation caused by space and the amount of attenuation caused by hardware isolation, where the amount of attenuation due to free space
  • Lp can be calculated using the following free space attenuation formula:
  • d is the distance between signal transmission and signal reception, in kilometers
  • f is the frequency of the transmitted signal, in megahertz
  • the attenuation caused by hardware isolation eg, adding shielding, isolation plates, etc. between the antennas
  • 1 ⁇ /11 is preferably -170 0 ⁇ 2 [ ⁇ 1, of course, depending on the case, and may also be -160 (or other value) dB/Hz K1;
  • the value of N1 X K1 + Lp1 is calculated, and the channels are sorted according to the calculated value, and the calculated minimum value is sequentially selected.
  • the channel is a DECT working channel
  • the equation corresponding to (1) is selected, and the channel corresponding to the normal operation of the GSM RF signal amplifier component is selected, and then the value of N1 K1 + Lp1 is calculated by judging whether the formula (2) is established or not. And sorting the channels according to the calculated value, and sequentially selecting the channel corresponding to the calculated minimum value as the DECT working channel, which can ensure normal communication of GSM,
  • the DECT transmission causes the spurious to fall into the receiving frequency band corresponding to each channel of the GSM current working channel DECT
  • the power is small, that is, the transmission of the DECT generates less interference to the current working channel of the GSM, and reduces the GSM and DECT during communication. Interference between.
  • Another working method of the multi-mode device provided in this embodiment, as shown in FIG. 3, includes:
  • the channel corresponding to the determination result is selected as the channel selected when calculating the interference with the current working channel of the GSM.
  • the selected channel can ensure the normal operation of the DECT RF signal amplifier component, thereby ensuring that the selected channel can make the DECT RF signal amplifier component work normally.
  • the attenuation of GSM transmit power includes the amount of attenuation caused by free space and the amount of attenuation caused by hardware isolation.
  • the amount of attenuation caused by needs to be determined in practice according to the application environment.
  • M2 is preferably -170 dB / ⁇ ⁇ K2, of course, depending on the case, or -160 (or other value) dB / Hz K2;
  • the equation (3) is selected, and the channel corresponding to the normal operation of the radio frequency signal amplifier of the DECT is selected, and then it is judged whether (4) where ⁇ 2 ⁇ ⁇ 2+ Lp2 M2 is established, and the judgment result is (4)
  • the formula is established, the value of ⁇ 2 ⁇ K2+ Lp2 is calculated, and the channels are sorted according to the calculated value, and the channel corresponding to the calculated minimum value is selected as the DECT working channel, which can ensure the normal communication of DECT.
  • the power of the GSM transmission to generate spurs falling into the receiving frequency range corresponding to each channel of the GSM current working channel DECT is small, that is, the GSM transmission generates less interference to the current working channel of the DECT, and reduces the GSM and DECT during communication. Dry Disturb.
  • the selected channel can ensure the normal operation of the DECT RF signal amplifier component, thereby ensuring that the selected channel can make the DECT RF signal amplifier component work normally.
  • the working method of the multimode device provided in this embodiment, as shown in FIG. 4, includes:
  • the channel corresponding to the determination result is selected as the channel corresponding to the calculation, and the selected channel is used when calculating the interference with the current working channel of the GSM;
  • the equations (1) and (3) are determined, and the channel corresponding to the normal operation of the radio frequency signal amplifier of the DECT is selected, and then the equation (2) is determined by the formula (1) N1 K1+Lp1 M1 and (2) Whether Pt2+Lp2+Pn2 ⁇ Pmax2 holds, and when the judgment result is established, the value of (2) formula N1 ⁇ K1+Lp1 is calculated, and the values are first sorted according to the calculated value; Calculate the value of Pt2+Lp2+Pn2 in (4), and sort the values a second time according to the calculated value, select the value calculated in the first sorting and the second sorting
  • the channel whose value is the minimum value is the DECT working channel, which can ensure that the DECT or GSM transmission generates spurious
  • the power in the receiving frequency band corresponding to each channel of the GSM current working channel DECT is small, that is, the transmission of DECT generates less interference to the current working channel of GSM and/or the transmission of GSM generates less to
  • the present invention further provides a multi-mode device 200, as shown in FIG. 5, including:
  • a determining unit 201 configured to determine a current working frequency band of the first communication mode and a current working channel of the second communication mode
  • the evaluating unit 202 is configured to evaluate mutual interference between each channel of the first communication mode in the current working frequency band and a current working channel of the second communication mode;
  • the selecting unit 203 is configured to select, according to a result of the evaluating, a working channel used by the first communication mode in the current working frequency band, so that the selected working channel of the first communication mode is The interference between the current working channels of the second communication mode is less than the interference between the other channels of the first communication mode in the current working frequency band and the current working channel of the second communication mode;
  • the communication unit 204 is configured to perform communication in the first communication mode by using the selected working channel of the first communication mode.
  • the embodiment of the present invention determines mutual interference between each channel in the current working frequency band and the current working channel in the second communication mode by using the first communication mode, and selects the first communication mode.
  • the communication with the channel with the smallest interference of the second communication mode working channel can reduce the interference between different communication modes during communication.
  • the evaluation unit 202 includes:
  • the determining module 2021 is configured to determine whether the radio frequency signal amplifier component of the second communication mode works normally if the first communication mode uses each channel in the currently working frequency band;
  • the evaluation module 2022 is configured to evaluate the first communication mode in the current working frequency band Interacting with a channel that causes the radio frequency signal amplifier component of the second communication mode to operate normally, and a current working channel of the second communication mode.
  • the determining module 2021 includes:
  • a calculation sub-module 20212 configured to calculate a sum of the first communication mode transmission power, the first communication mode transmission power attenuation amount, and the second communication mode maximum normal reception power; the determining sub-module 20213, And determining whether the result of the calculation is less than a maximum power allowed by the radio frequency signal amplifier component of the second communication mode.
  • the evaluation unit 202 can include a determination module 20201 and a calculation module 20202.
  • the determining module 20201 is configured to determine, if the first communication mode uses each channel in the currently working frequency band, the first communication mode transmits a corresponding current working channel in the second communication mode.
  • the calculation module 20202 is specifically configured to calculate the When a communication mode uses each channel in the currently operating frequency band, the first communication mode transmits a spur generated in a working frequency band corresponding to a current working channel of the second communication mode, and the second communication The sum of the product of the working frequency band corresponding to the current working channel of the mode and the attenuation of the transmitting power of the first communication mode;
  • the selecting unit 203 is specifically configured to: according to the result calculated by the calculating module 20202, select a channel corresponding to the minimum value of the calculation result to be used by the first communication mode in the current working frequency band.
  • Working channel the determining module 20201 is configured to determine, when the first communication mode uses each channel in the currently working frequency band, the second communication mode is transmitted in the first communication mode. a spur generated in a working frequency range corresponding to the channel and an attenuation amount of the second communication mode transmission power; and a working frequency band bandwidth corresponding to the channel used to determine the first communication mode;
  • the calculating module 20202 is specifically configured to: when the first communication mode uses each channel in the currently working frequency band, the second communication mode transmits a channel corresponding to the channel in the first communication mode. a sum of a product of a spur generated in a working frequency band and a bandwidth of a working frequency band corresponding to the channel of the first communication mode and an attenuation of a transmission power of the second communication mode;
  • the selecting unit 203 is specifically configured to: according to the result calculated by the calculating module 20202, select a channel corresponding to the minimum value of the calculation result to be used by the first communication mode in the current working frequency band. Working channel.
  • the determining module 20201 is configured to determine, when the first communication mode uses each channel in the currently working frequency band, the first communication mode transmission currently works in the second communication mode. a spur generated in a working frequency band corresponding to the channel and an attenuation amount of the first communication mode transmission power, where the second communication mode is transmitted within a working frequency band corresponding to the channel in the first communication mode a generated spur and an attenuation amount of the second communication mode transmission power; and a channel corresponding to the working frequency band corresponding to the current working channel of the second communication mode and the channel of the first communication mode Working frequency band bandwidth;
  • the calculating module 20202 is configured to calculate, when the first communication mode uses each channel in the currently working frequency band, the first communication mode transmits a corresponding current working channel in the second communication mode. a sum of a product of a spur generated in a working frequency band and a bandwidth of a working frequency band corresponding to a current working channel of the second communication mode, and a sum of attenuation of the first communication mode transmission power, and the second communication mode transmission a product of a spur generated in a working frequency band corresponding to the channel of the first communication mode and a working frequency band corresponding to the channel of the first communication mode and a transmission power of the second communication mode
  • the selecting unit 203 is specifically configured to calculate a result of the sum of W1 and W2 according to the calculating module 20202, and select a channel corresponding to the minimum value of the calculation result as the first communication mode at the current location.
  • the first communication mode illustrated in the above embodiment of the multimode device of the present invention may be a digital enhanced cordless telephone, and the second communication mode may preferably be a global mobile communication system or wideband code division multiple access.

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

Abstract

La présente invention est relative au domaine des communications. Elle présente une méthode de travail d'un appareil multimodal et ledit appareil facilitant une réduction des interférences lors de communication entre différents modes de communication. Le principe de fonctionnement de l'appareil multimodal comprend : la détermination d'une bande de fréquences de fonctionnement à un emplacement actuel d'un premier mode de communication et d'un canal de fonctionnement actuel d'un second mode de communication ; l'évaluation d'une interférence mutuelle entre chaque canal dans la bande de fréquences de fonctionnement à l'emplacement actuel du premier mode de communication et du canal de fonctionnement actuel du second mode de communication ; la sélection, sur la base du résultat de cette évaluation, d'un canal de fonctionnement devant être utilisé par le premier mode de communication dans la bande de fréquences de fonctionnement à l'emplacement actuel ; et l'utilisation du canal de fonctionnement sélectionné pour permettre au premier mode de communication de réaliser la communication du premier mode de communication. Cette présente invention définit également l'appareil multimodal. Elle s'applique dans le domaine des communications multimodales.
PCT/CN2012/079199 2011-08-04 2012-07-26 Principe de fonctionnement d'un appareil multimodal et ledit appareil multimodal WO2013017035A1 (fr)

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CN104010389A (zh) * 2013-02-22 2014-08-27 鸿富锦精密工业（深圳）有限公司 减少WiMAX模组与WiFi模组共存干扰的系统及方法
CN104601252A (zh) * 2013-10-30 2015-05-06 中兴通讯股份有限公司 一种固定无线终端抗干扰的方法及装置
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CN106982476A (zh) * 2016-01-19 2017-07-25 中兴通讯股份有限公司 一种多模终端的模式控制方法、装置及多模终端
CN106797576B (zh) * 2016-12-07 2020-04-07 深圳前海达闼云端智能科技有限公司 调制解调器控制方法、装置、电子设备和计算机程序产品
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