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Communication method of downlink for data collection system load

A data collection and downlink technology, which is applied in the field of communication, can solve the problems of poor communication quality and small communication capacity of the downlink communication link, and achieve the effects of reducing the impact of interference, improving communication capacity, and ensuring communication quality

Inactive Publication Date: 2018-09-04
BEIJING GUODIAN GAOKE TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

A large number of wireless communication systems work on the spectrum with limited bandwidth (83.5MHz) in the ISM frequency band, resulting in poor communication quality and small communication capacity of the downlink communication link

Method used

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  • Communication method of downlink for data collection system load
  • Communication method of downlink for data collection system load
  • Communication method of downlink for data collection system load

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Embodiment Construction

[0014] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] The present invention is used in an Internet of Things constellation system, which includes satellites, data collection systems, ground terminals, and ground data centers. When the ground terminals communicate with satellites, the data collection system is used to receive satellites through downlink The downlink data transmitted by the link communicates with the ground terminals scattered in various places. Among them, the DCS load is the core module for the application of the Internet of Things constellation. It is essentially a space-based short-message communication system for receiving satellites. downlink data, providing downlink business information broadcasting, specifically:

[0016] The present invention provides ...

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Abstract

The invention provides a communication method of a downlink for data collection system load. The data collection system load is used in an Internet of Things constellation system, and when ground terminals communicate with a satellite, a data collection system is used for receiving downlink data transmitted by the satellite through the downlink and communicating with the ground terminals dispersedon various locations. The method comprises the following steps: adopting a single wide beam transmitting antenna, increasing the gains of receiving antennas of the ground terminals, and improving theeffective omnidirectional radiation power transmitted by the satellite. By adoption of the communication method of the downlink for data collection system load involved in the invention, the communication quality can be ensured, the communication capacity of the system is effectively improved, and frequency resources can also be selected reasonably, so that the interference effects between systems are reduced or completely avoided.

Description

technical field [0001] The present invention relates to a communication method, in particular to a communication method for the downlink of a data collection system load. Background technique [0002] In recent years, Internet of Things technology and applications have entered a golden age of vigorous development. As a necessary supplement to the ground Internet of Things, the Internet of Things constellation can effectively solve the problem of Internet of Things network access in sea, air and remote areas that cannot be covered by ground networks. Specifically, the Internet of Things constellation system is based on the ability of satellites to collect large-capacity real-time global data on the ground, and can realize short-term data collection functions in various industries, big data analysis applications, and satellite commercial deployment tests. The Internet of Things constellation system will subsequently evolve its technology into a broadband communication constell...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L29/08
CPCH04B7/1851H04B7/18513H04B7/18517H04B7/18519H04L67/12Y02D30/70
Inventor 吕强王淼刘涛张进武郭中甲
Owner BEIJING GUODIAN GAOKE TECH CO LTD
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