Method, device and device for reducing interference between different communication systems in equipment
A technology of communication system and cellular communication system, applied in the direction of wireless communication, transmission system, sustainable communication technology, etc., can solve the problems of increasing hardware cost, increasing hardware cost and PCB area, increasing printed circuit boards, etc.
Active Publication Date: 2021-12-31
HUAWEI TECH CO LTD
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[0004] However, the revenue frequency band in the prior art is relatively single. When there are multiple working frequency bands in the cellular communication system and the working frequency bands of the WIFI communication system interfere with each other, it is necessary to add a radio frequency channel corresponding to each working frequency band with interference risk. Bandwidth selection filters and a full-band filter, not only increase hardware cost, but also increase printed circuit board (PCB) area
Taking the cellular communication system as a 5G system as an example, due to the addition of the 5GHz working frequency band of the WIFI communication system, the adjacent frequency interference between the 5GHz of the WIFI communication system and the n77 and n79 frequency bands in the cellular communication system, as well as the WIFI communication Between the 5GHz system and the licensed assisted access (LAA) frequency band, long-term evolution unlicensed (lte-unlicensed, LTE-U) frequency band or enhanced license assisted access (enhanced LAA, eLAA) frequency band in the cellular communication system co-channel interference, etc., if the solution of the existing technology is adopted, the hardware cost and PCB area will be greatly increased
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[0032] Embodiments of the present application provide a method, device and device for reducing interference between different communication systems in a device, which are used to reduce communication interference without significantly increasing hardware costs. The terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, and this is merely a description of the manner in which objects with the same attribute are described in the embodiments of the present application. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, product, or apparatus comprising a series of elements is not ne...
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A method, device and equipment for reducing interference between different communication systems in equipment are used to reduce communication interference without significantly increasing hardware costs. The method includes: determining a communication system with a lower priority among the first communication system and the second communication system, wherein the first communication system is a cellular communication system, and the second communication system is a communication system of other types except the cellular communication system ; Obtain the first operating frequency of the first communication system; Obtain the second operating frequency of the second communication system; According to the first operating frequency and the second operating frequency, perform interference avoidance on the communication system with a lower priority, and the interference avoidance includes : Reduce the transmit power or turn off the transmit function.
Description
technical field [0001] The embodiments of the present application relate to the field of communications, and in particular, to a method, device, and device for reducing interference between different communication systems in a device. Background technique [0002] With the advent of the fifth generation (5G) communication era, 5G not only brings us faster data transmission rate and better user experience, but also brings us cellular communication system and wireless fidelity (Wireless Fidelity, WIFI) ) design problems and challenges of communication system coexistence. Specifically, in one device, the probability of mutual interference between the operating frequency of the cellular communication system and the operating frequency of the WIFI communication system is further increased, so that when the operating frequency of the transmitting signal used by one party and the operating frequency of the receiving signal of the other party When they interfere with each other, it...
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Login to View More IPC IPC(8): H04B15/00H04W72/12
CPCH04B15/00H04W72/12Y02D30/70
Inventor 夏正山蓝元皓沈丽周鹏丁仁天
Owner HUAWEI TECH CO LTD