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Software radio data transmission system and transmission method based on LTE signal

A data transmission system, software radio technology, applied in the field of communication, can solve the problems of unstable transmission, data collision and so on

Active Publication Date: 2018-09-04
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The random access technology does not pre-allocate resources, and network nodes can randomly access network channels, which has strong flexibility and scalability, but is prone to data collisions and unstable transmission.

Method used

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  • Software radio data transmission system and transmission method based on LTE signal
  • Software radio data transmission system and transmission method based on LTE signal
  • Software radio data transmission system and transmission method based on LTE signal

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Embodiment Construction

[0064] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0065] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0066] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention relates to a software radio data transmission system and transmission method based on an LTE signal. Channels are divided into three different physical channels: the synchronization channel, the control channel and the data channel; the system comprises two parts: a transmitter and a receiver; each of the transmitter and the receiver is composed of three parts: an analog radio frequency circuit, a digital baseband circuit, and a digital control circuit; the transmitter is responsible for the data transmission and the receiver is responsible for the data receiving; the transmitterand the receiver can flexibly configure the encoding / decoding schemes, parameter configuration schemes, the channel estimation and detection algorithm configuration schemes and like. The invention designs a hybrid access protocol HE-TDMA with hybrid pre-distribution and random access features at the same time. Through the method and system provided by the invention, a communication system constructed based on the LTE signal can be flexibly configured and used, and the application scene is enhanced at the same time.

Description

technical field [0001] The invention relates to the communication field, in particular to a software radio data transmission system and transmission method based on LTE signals. Background technique [0002] 1. LTE signal. [0003] LTE (Long Term Evolution, long-term evolution) is the long-term evolution of the UMTS technical standard formulated by 3GPP. Its physical layer includes OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing), MIMO (Multi-Input & Multi-Output, Key technologies such as multiple-input multiple-output) and space-time / space-frequency coding can significantly increase the system transmission rate. LTE and its advanced version LTE-A are the core technical standards of the current 4G mainstream, and its physical layer technology will also be an important support for the future 5G system in the frequency band below 6GHz, so its research and development have very important significance and prospects. [0004] The LTE...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04B1/40H04W56/00H04B7/0456
CPCH04B1/40H04B7/0456H04L1/0009H04L1/0013H04L1/0014H04L1/004H04L1/0071H04W56/0005Y02D30/70
Inventor 王俊许斌陈日清黄继伟林瑞全
Owner FUZHOU UNIV
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