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A Transform Domain Adaptive Communication Transmission Method Based on Intelligent Decision

A technology of intelligent decision-making and transmission method, applied in transmission monitoring, transmission system, electrical components, etc., can solve problems such as poor anti-interference ability, slow information transmission rate of communication system, communication system does not have the ability to adapt to changing environments, etc. Achieve the best transmission efficiency and improve the effect of spectral efficiency

Active Publication Date: 2021-04-09
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A single communication system often does not have the ability to adapt to changing environments
The communication system with fast information transmission rate has poor anti-interference ability and can only be used in scenarios with good channel conditions
However, the communication system with strong anti-interference ability has a slower information transmission rate.

Method used

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  • A Transform Domain Adaptive Communication Transmission Method Based on Intelligent Decision
  • A Transform Domain Adaptive Communication Transmission Method Based on Intelligent Decision
  • A Transform Domain Adaptive Communication Transmission Method Based on Intelligent Decision

Examples

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Embodiment Construction

[0035] For the convenience of illustration, Transform Domain Communication System (TDCS), Non-Continuous Multi-Carrier Code Division Multiple Access (NC-MC-CDMA) and Non-Continuous Orthogonal Frequency-Division Multiplexing (NC-OFDM) are selected as alternative data modulation systems , TDCS uses circular shift keying (CCSK) as the digital modulation method, NC-MC-CDMA and NC-OFDM use BPSK and 8PSK as alternative digital modulation methods, and choose 1 / 2 code rate and 2 / 3 code rate Convolutional codes are used as an alternative channel coding. Based on this, 10 fixed system modulation schemes are obtained, which are:

[0036] 1) 1 / 2 convolutional code NC-MC-CDMA BPSK

[0037] 2) 2 / 3 convolutional code NC-MC-CDMA BPSK

[0038] 3) 1 / 2 convolutional code NC-MC-CDMA 8PSK

[0039] 4) 2 / 3 convolutional code NC-MC-CDMA 8PSK

[0040] 5) 1 / 2 convolutional code TDCS

[0041] 6) 2 / 3 convolutional code TDCS

[0042] 7) 1 / 2 convolutional code NC-OFDM BPSK

[0043] 8) 2 / 3 convolutio...

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Abstract

The invention belongs to the technical field of wireless communication, and in particular relates to an intelligent decision-based transformation domain adaptive communication transmission method. The method of the invention can adapt to the change of channel environment and ensure the maximum transmission rate on the premise of a certain bit error rate. At the sending end, the intelligent decision-making module will comprehensively consider the user's rate requirements, reliability requirements and channel conditions, and select the most suitable transmission scheme for the current information transmission, and then the system will perform data modulation according to the output parameters. At the receiving end, the corresponding adaptive demodulation is performed. By adopting the transformation domain adaptive communication transmission method based on intelligent decision-making proposed by the present invention, the frequency spectrum efficiency can be effectively improved and the best transmission efficiency can be achieved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to an intelligent decision-based transformation domain adaptive communication transmission method. Background technique [0002] A single communication system often does not have the ability to adapt to changing environments. A communication system with a fast information transmission rate has poor anti-interference ability and can only be used in scenarios with good channel conditions. However, the information transmission rate of the communication system with strong anti-interference ability is relatively slow. Aiming at changing channel conditions, an adaptive coding method based on intelligent decision-making for transform domain anti-jamming provides a new idea. [0003] The transform domain communication system can actively avoid the interference frequency band or the occupied frequency band after sensing the space electromagnetic environment infor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/69H04B17/382
CPCH04B1/69H04B17/382
Inventor 胡苏唐秋荻
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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