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Method and devices for amplifying radio signals between terminal device and antenna

A technology of radio signals and programs, applied in amplifiers, amplifier types, high-frequency amplifiers, etc., can solve problems such as distinguishing TX and RX signals

Active Publication Date: 2020-05-19
LAIRD DABENDORF GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the impossibility of frequency-selective differentiation of TX and RX signals in this method, especially the dynamic range overlap of TX and RX power levels, it is not possible to distinguish TX and RX signals in a conventional way in this method

Method used

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  • Method and devices for amplifying radio signals between terminal device and antenna
  • Method and devices for amplifying radio signals between terminal device and antenna
  • Method and devices for amplifying radio signals between terminal device and antenna

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Embodiment Construction

[0038] The drawings, technical description and detailed description all refer to preferred embodiments of the present invention, however, they should not be construed as limitations of the present invention. These claims cover all equivalent differences and changes according to the invention mentioned in the appended claims.

[0039] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0040] figure 1 A flowchart of a program method 100 for operating a circuit arrangement 200 for amplifying a radio signal between a terminal 9 and an antenna 10 drawn according to an embodiment of the present invention is shown. The corresponding circuit arrangement 200 is in figure 2 is shown in and includes an amplification unit 210 having a transmit amplifier path and a receive amplifier path. The corresponding circuit arrangement 200 will be described in detail below. The procedural method 100 includes detecting 110 the signal pow...

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PUM

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Abstract

The invention relates to a method for operating a circuit arrangement for amplifying radio signals between a terminal device and an antenna, and a corresponding circuit arrangement. The circuit arrangement has an amplifying unit having a transmission amplifier path and a receiving amplifier path. The method comprises: detecting a signal power in a first frequency range in the transmission direction, from the point of view of the terminal device, in order to determine a transmission signal power; and detecting a signal power in a second frequency range in the receiving direction, from the pointof view of the terminal device, for determining a receiving signal power. The method further comprises comparing the detected transmission signal power to the detected receiving signal power. If thedetected transmission signal power is stronger than the detected receiving signal power, the transmission amplifier path is activated in order to amplify transmission signals in the first frequency range. If the detected receiving signal power is stronger than the detected transmission signal power, the receiving amplifier path is activated in order to amplify receiving signals in the second frequency range. In this way it is possible to improve the directional detection of radio signals in bidirectional amplifier systems.

Description

technical field [0001] The invention relates to a program method for amplifying radio signals between a terminal device and an antenna, and a circuit arrangement for implementing the program method. Background technique [0002] For the transmission and reception of radio signals in motor vehicles, such as mobile phones, smartphones or emergency transmitters (hereinafter referred to as mobile radio devices), the body of the motor vehicle functions as a "Faraday cage". That is, the vehicle body is shielded from radio signals. Vehicles can impair signal transmission and reception by mobile devices. In some cases, it can even make it impossible to use the mobile device in the vehicle. [0003] Therefore, the following has a positive effect when using a mobile device in a vehicle: The mobile device is connected to the vehicle's external antenna via the antenna structure. In doing so, on the one hand, the mobile device can still be safely operated even if the vehicle body shie...

Claims

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Application Information

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IPC IPC(8): H04B1/00H03F3/00H04B1/40
CPCH03F3/189H03F3/24H03F2200/111H03F2200/451H04B1/0458H04B2001/0408H04B1/006H04B1/0057H04B1/48
Inventor 赫尔穆特·考奇拉尔斯·莱曼赫尔穆特·纳斯特
Owner LAIRD DABENDORF GMBH
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