Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Communication method, transmitting device and receiving device of parallel combined spread spectrum system

A communication method and technology of a spread spectrum system, which is applied to the communication method of a parallel combined spread spectrum system, the field of a transmitting device and a receiving device, and can solve problems such as parameter changes and inability to map

Pending Publication Date: 2022-04-12
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a communication method, a transmitting device and a receiving device of a parallel combined spread spectrum system, so as to solve the problem that the existing communication method cannot be mapped when the parameters change and the input data is all 0

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Communication method, transmitting device and receiving device of parallel combined spread spectrum system
  • Communication method, transmitting device and receiving device of parallel combined spread spectrum system
  • Communication method, transmitting device and receiving device of parallel combined spread spectrum system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] In the following description, specific details such as specific system structures, techniques such as specific system structures, and techniques are proposed to illustrate the embodiments of the present invention. However, those skilled in the art will appreciate that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed description of well known systems, devices, circuits, and methods is omitted to prevent unnecessary details to prevent the description of the present invention.

[0072] In order to make the objects, technical solutions, and advantages of the present invention, the following will be described with reference to the accompanying drawings.

[0073] figure 1 A implementation flow diagram of a communication method for a parallel combined spread spectrum system provided by an embodiment of the present invention.

[0074] Such as figure 1 As shown, for the transmitting end, the method includes th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a communication method, a transmitting device and a receiving device of a parallel combined spread spectrum system. The method comprises the following steps: generating M + 1 alternative pseudo-random sequences, selecting one sequence as a reference sequence and recording the reference sequence as PN0, and sequentially numbering the rest sequences as comparison sequences; k '= k + 1 + [log2 (r + 1)] bit communication data d1, d2,..., dk' input by the system are divided into three segments Dc, Ds and Dp; carrying out decimal conversion on the communication data d1, d2,..., dk-r + 1 corresponding to the Dc segment to determine a reference value N'd; selecting the polarities of r comparison sequences and a reference sequence PN0 according to a reference value N'd, respectively determining the polarities of the r comparison sequences according to the communication data corresponding to the Ds segment, and determining a to-be-weighted sequence according to the communication data corresponding to the Dp segment; after weighting the sequence to be weighted, carrying out band polarity accumulation on the r comparison sequences, and superposing the reference sequence PN0 to obtain a combined sequence; and performing digital modulation on the combined sequence, and sending the combined sequence after digital modulation. According to the invention, mapping when the system input data is 0 under any parameter can be realized, and meanwhile, the information transmission capability of the parallel combination spread spectrum system is improved.

Description

Technical field [0001] The present invention relates to the field of wireless communication technologies, and more particularly to a communication method, a transmitting device, and a receiving device of a parallel combination spread spectrum system. Background technique [0002] With the development of mobile communication technology, spread spectrum communications has been widely used in military communications and civil communications with its advantages of strong anti-interference ability and good confidentiality. Parallel Combinatory Spread Spectrum, PCSS technology is a high-efficiency spread spectrum technology developed based on direct sequence spreading techniques and soft expansion technology, is a higher data transmission capacity and frequency band. The spread spectrum communication method of utilization, the parallel combination spreading technique can be applied to burst communication, frequency band is limited. The data sequence mapping algorithm is the most import...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04B1/708
Inventor 孙铭郭鑫赵玉超韩东
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com