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Frequency conversion method, device and system

A technology of frequency and frequency difference, applied in the field of frequency conversion, can solve the problem of large unbalance of dual-channel MIMO, and achieve the effect of reducing loss and power balance

Active Publication Date: 2022-01-21
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present application is to provide a frequency conversion method, device and system to solve the problem of large imbalance of dual-channel MIMO

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  • Frequency conversion method, device and system
  • Frequency conversion method, device and system
  • Frequency conversion method, device and system

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Embodiment Construction

[0072] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0073] The term "comprising" and any variations thereof in the description and claims of this application are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device comprising a series of steps or units is not necessarily limited to the explicit instead of those steps or elements explicitly listed, other steps or elements not explicitly listed or inherent to the process, method, product or apparatus may be included. In addit...

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Abstract

The embodiment of the invention provides a frequency conversion method, device and system. The method comprises the following steps: receiving a combined signal; performing shunt processing on the combined signal to obtain the first signal and the second signal; wherein the frequency of the first signal is a first frequency, the frequency of the second signal is a second frequency, and the first signal is a local oscillator signal of a passive mixer; processing the second signal through the passive mixer to obtain a third signal, wherein the frequency of the third signal is a third frequency, and the third signal serves as a signal of a branch in MIMO; wherein the passive frequency mixer provides working voltage through a self-powered module, grid bias voltage of the passive frequency mixer is generated by the self-powered module through the first signal, and the difference value between the third frequency and the frequency of the NR signal is smaller than or equal to a preset value.

Description

technical field [0001] The embodiments of the present application relate to the field of frequency conversion technology, and in particular to a frequency conversion method, device and system. Background technique [0002] In related technologies, a passive mixer is used for frequency conversion. Due to the limitation of the radio frequency indicators such as the linearity and power capacity of the passive mixer, the output power of the frequency conversion channel is more than 10dB lower than the normal transmission signal power, which will cause The unbalance degree of the two-way MIMO (Multi-Input Multi-Output, MIMO) is large, which affects the performance. Contents of the invention [0003] The embodiment of the present application is to provide a frequency conversion method, device and system to solve the problem of large unbalance of dual-channel MIMO. [0004] In the first aspect, a frequency conversion method is provided, including: [0005] Receive combined sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03D7/16H04B7/0413
CPCH03D7/16H04B7/0413
Inventor 王大鹏许灵军宋骁雄李男丁海煜
Owner CHINA MOBILE COMM LTD RES INST