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Radio communication system

A signal and circuit technology, applied in the field of radio communication systems, can solve problems such as high power consumption

Inactive Publication Date: 2018-11-23
CHENGDU KILOPOWER TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] However, the conventional receiver detects the phase information of the signal by using the in-phase signal and the quadrature signal mutually, so there is a problem of large power consumption

Method used

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Embodiment Construction

[0016] The best mode of carrying out the invention is presented in terms of its preferred embodiments. However, the invention is not limited to the described embodiments, and those skilled in the art will appreciate that many other embodiments of the invention are possible without departing from the basic concept of the invention, and that any such modifications are also possible. fall within the scope of the present invention. It is envisioned that other types and configurations of the invention could be readily incorporated into the teachings of the invention, and only one particular configuration is shown and described for purposes of clarity and disclosure, not limitation of scope.

[0017] The term "a" herein does not denote a limitation of quantity but rather means that there are one or more of the referenced item.

[0018] figure 1 is a block diagram of the internal configuration of the receiver 1 in the radio communication system according to the second embodiment. ...

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Abstract

The invention provides a radio communication system. The radio communication system comprises a receiving module and a receiving processing module; wherein the receiving module comprises a local oscillator, a first mixer and a first filter; the local oscillator is used for generating a local signal; the first mixer is used for mixing a binary continuous phase frequency shift keying signal and a local signal to generate a baseband signal; and the first filter is configured to remove unnecessary frequency components included in the baseband signal; and the receiving processing module comprises adelay circuit and a waveform detector; the delay circuit is configured to delay an output signal of the first filter by one symbol; and the waveform detector is configured to use the output signal ofthe first filter and the output signal of the delay circuit to demodulate the continuous phase frequency shift keying signal.

Description

Background technique [0001] Conventional receivers for continuous phase frequency shift keyed signals add 0, +π / 2, +2π / 2, and +3π / 2 successively to the phase information of the Gaussian minimum shift keyed (GMSK) signal, In order to facilitate the processing in the subsequent stage where the GMSK signal is considered as a binary phase shift keying (BPSK) signal. [0002] However, a conventional receiver detects phase information of a signal by mutually using an in-phase signal and a quadrature signal, thereby having a problem of large power consumption. Contents of the invention [0003] The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to reduce mutual influence between power transmission and signal transmission and simultaneously realize stable power transmission and signal transmission. [0004] In order to solve the above problems, the present invention provides a wireless communication system, includi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04B1/403
CPCH04B1/40H04B1/406
Inventor 杜江宋婷
Owner CHENGDU KILOPOWER TECH CORP