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Communicating method and communicating system based on EBPSK

A technology of information sequence and modulated signal, applied in the field of digital communication system, fast bit synchronization and demodulation and decoding, it can solve the problem of affecting the speed of error elimination, and achieve the effect of simplified structure, strong anti-interference ability and precise chip bit synchronization

Inactive Publication Date: 2015-11-25
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the closed-loop method has a feedback link and a process of continuous adjustment, it will directly affect its speed of error elimination.

Method used

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  • Communicating method and communicating system based on EBPSK
  • Communicating method and communicating system based on EBPSK
  • Communicating method and communicating system based on EBPSK

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Embodiment Construction

[0107] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0108] figure 1It is a functional block diagram of an EBPSK-based communication method according to an embodiment of the present invention, such as figure 1 As shown, the steps include:

[0109] Step S101: The transmitting end performs coding and EBPSK modulation processing on the information sequence to obtain an extended binary phase shift keying EBPSK modulation signal.

[0110] Specifically, the transmitter discretizes the EBPSK modulated waveforms f0 and f1 corresponding to symbols 0 and 1, respectively, to obtain and save f0 waveform samples and f1 waveform samples; encode the information sequence to obtain the coded sequence, specifically A cod...

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Abstract

An EBPSK-based communication method and system are disclosed in the present invention, relating to the field of digital communications. The method includes: a transmitting end performs encoding and EBPSK modulation for an information sequence to obtain an EBPSK modulation signal; and a receiving end performs EBPSK demodulation and decoding for the EBPSK modulation signal to obtain the information sequence. The present invention can enhance the anti-interference ability of the EBPSK communication system.

Description

technical field [0001] The present invention relates to a digital communication system, in particular to a transmitter for extended binary phase shift keying (Extended Binary Phase Shift Keying, EBPSK) coded modulation communication and a corresponding fast bit synchronization and demodulation decoding method, belonging to information in digital communication field of modulation and demodulation. Background technique [0002] 1. EBPSK modulation [0003] In a digital communication system, the process of moving the baseband signal representing the transmitted data to the required transmission frequency band is called modulation, and vice versa is called demodulation. For binary digital modulation, a certain parameter of the sinusoidal carrier in the symbol period, such as amplitude, frequency or phase, can be changed correspondingly through binary data symbols "0" and "1", and the corresponding amplitude keying (2ASK), frequency Shift keying (2FSK) and phase shift keying (2...

Claims

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Application Information

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IPC IPC(8): H04L27/18H04L27/22
CPCH04L27/18
Inventor 夏树强冯熳吴乐南黄铭波
Owner ZTE CORP
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