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Multichannel communication receiving system and communication method thereof

A technology of communication receiving and communication method, applied in multi-channel communication receiving system and its communication field, capable of solving problems such as pi/2 phase ambiguity

Inactive Publication Date: 2017-05-10
武汉米风通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems in the HLS implementation of the frequency offset estimation algorithm of the existing multi-channel communication receiving system. The original algorithm has a phase ambiguity of pi / 2

Method used

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  • Multichannel communication receiving system and communication method thereof
  • Multichannel communication receiving system and communication method thereof
  • Multichannel communication receiving system and communication method thereof

Examples

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with specific embodiment:

[0051] A multi-channel communication receiving system, comprising a radio frequency receiver 1, a data sorting module 2, a demultiplexing down conversion module 3, a phase compensation module 4, a symbol timing frequency offset correction module 5 and a demodulation module 6 connected, the radio frequency receiving The signal output end of the device 1 is connected to the signal input end of the data sorting module 2, and the signal output end of the data sorting module 2 is connected to the signal input end of the demultiplexing down-conversion module 3, and the demultiplexing down-conversion module 3 The signal output end of the phase compensation module 4 is connected to the signal input end of the phase compensation module 4, the signal output end of the phase compensation module 4 is connected to the signal input end of the symbol timing frequency offset correction modul...

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Abstract

The invention discloses a multichannel communication receiving system and a communication method thereof. The multichannel communication receiving system comprises a radio frequency receiver, a data trimming module, a multichannel separation down conversion module, a phase compensation module, a symbol timing frequency offset correction module and a demodulation module. According to the multichannel communication receiving system disclosed by the invention, by means of the cooperative work of the radio frequency receiver, the data trimming module, the multichannel separation down conversion module, the phase compensation module, the symbol timing frequency offset correction module and the demodulation module, the processing efficiency is improved, universal calculation is better applicable, and a synchronization mechanism is increased.

Description

technical field [0001] The invention belongs to the technical field of wireless communication. Specifically, it relates to a multi-channel communication receiving system and a communication method thereof. Background technique [0002] IoT applications have great opportunities to change the way enterprises and cities create broad social and economic benefits, but the premise of secure and stable connections is to capture all potential narrowband IoT applications for innovation and cooperation. The NB-IoT end-to-end solution is aimed at typical M2M application scenarios such as low data rate, large-scale terminal number and wide coverage requirements, and can open up a broad IoT market for operators. Cities, electricity and gas / water providers, etc., have a wide range of application scenarios. In multi-channel communication, the transmitting end first modulates the data to be transmitted, and then sends the modulated signal to the receiving end through one of the multiple t...

Claims

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Application Information

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IPC IPC(8): H04L27/26
CPCH04L27/265H04L27/2657H04L27/2662
Inventor 余少波
Owner 武汉米风通信技术有限公司
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