Self-organizing directional network system and communication method thereof

A network system and directional technology, applied in the field of self-organizing directional network system and its communication, can solve the problems of high power consumption, high cost, etc., achieve the goal of controlling polarization loss, reducing hardware complexity, and avoiding self-interference between sending and receiving Effect

Pending Publication Date: 2022-01-04
SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There are usually two ways of directional networking equipment commonly used today. One is to use multiple phased array antennas to control the transceiver mode and beam direction of the transceiver components to achieve directional communication according to communication requirements, but it needs to be designed. Although complex phased array antennas can form directional narrow beams, compared with directional antennas, they require higher power consumption and higher costs in scenarios where random access is required for wide beam coverage;
[0006] One is to use multiple sets of directional antennas and power amplifiers to achieve directional communication by controlling the switches of the power amplifiers and the transceiver mode control of the receiver, but it needs to be equipped with multiple power amplifiers. Although the cost and weight are reduced compared to the phased array, However, since multiple power amplifiers do not need to work at the same time, there is a large room for optimization in the design

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
  • Self-organizing directional network system and communication method thereof
  • Self-organizing directional network system and communication method thereof
  • Self-organizing directional network system and communication method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Reference attached Figure 1-8 As shown, the embodiment of the present application provides a self-organizing directional network system, the system includes several nodes 100, each node 100 communicates with each other, and self-elects the master node 100-1 in the communication process, and other nodes as the matching child node 100-2.

[0049] Each node 100 in this embodiment includes a controller 110, a frequency processor 130, and an antenna device 120; the antenna device 120 includes a plurality of antenna components 121 respectively installed and arranged according to the positive and negative directions of the multi-dimensional space coordinate system, and each antenna component 121 includes a transmitter Feed and Receive Feed.

[0050] In one embodiment, in order to meet the design requirement of an omnidirectional antenna, the antenna component 121 adopts a shaped antenna for transmitting and receiving narrow beams. Preferably, the antenna device 120 adopts t...

Embodiment 2

[0060] Reference attached Figure 9-10 As shown, the embodiment of the present application provides an ad hoc directional network communication method, using any one of the ad hoc directional network systems in the first aspect. The method includes:

[0061] Step S100: Receive the network sending and receiving control information of each access node 100 in the time slot period during the network monitoring phase, and confirm the master node 100-1 and the child node 100-2 in the access node 100 according to the preset antenna switching strategy, The relative position information of the child node 100-2 and the master node 100-1 is acquired.

[0062] Among them, the antenna switching strategy includes:

[0063] According to the number of dimensions N of the spatial coordinate system, the number N of time slot segments of the time slot cycle is set; based on the network monitoring phase, the master node transmits control signals, and the sub-nodes receive control signals; the m...

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 discloses a self-organizing directional network system and a communication method thereof. The self-organizing directional network system comprises a plurality of nodes, wherein each network node comprises a controller, a frequency processor and an antenna device; an antenna device which comprises a plurality of antenna components respectively arranged according to positive and negative directions of a multi-dimensional space coordinate system; a controller which controls a transmitting signal to be subjected to frequency conversion amplification processing through the frequency processor through the single transmitting channel, then selects transmitting feed source transmitting signals of the two antenna components in one dimension, controls the two antenna components in different dimensions and different directions through the double receiving channels to receive feed source receiving signals, and performs diversity processing on the receiving signals after frequency conversion processing, and therefore, each node satisfies the design of transmitting circular polarization and receiving linear polarization, thereby achieving the purpose of controlling the polarization loss between the nodes. The problems of power amplifier sharing and receiving and transmitting antenna isolation under the same-frequency half-duplex working condition are solved, and polarization loss caused by random relative positions between networking terminals is controlled through receiving and transmitting polarization design.

Description

technical field [0001] The invention relates to the field of networking communication of spacecraft, in particular to an ad hoc directional network system and a communication method thereof. Background technique [0002] In inter-device communication applications, due to the antenna layout and the spatial attenuation characteristics of electromagnetic waves, a directional topology network is often used, that is, multiple directional antennas are used to perform directional transmission according to mutual positions, so as to take into account both directional coverage and transmission gain. [0003] For example, in the S-band and below, generally only two antennas can basically realize omnidirectional communication. For example, for application scenarios with limited equipment volume, affected by antenna size factors, C-band and above frequency bands are generally used, and antenna combinations in at least 6 directions are usually required to meet omnidirectional communicati...

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): H04B7/06H04B7/08H04W84/18
CPCH04B7/0608H04B7/0802H04W84/18Y02D30/70
Inventor 田宇庞轶环王进陈蔚涵蒯震华
Owner SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products