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Communication-in-motion satellite pointing, capturing and tracking method and system thereof

A tracking system and communication-in-motion technology, applied in the field of mobile tracking and communication, can solve the problems of slow speed, large size, and high profile of star capture, and achieve the effects of ensuring communication, avoiding impact, and reducing costs

Inactive Publication Date: 2013-04-03
广东星航通信有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the past, parabolic dish antennas were mostly used in mobile communication, and its fatal disadvantages are high profile (that is, high height), large volume, heavy weight, high resistance during driving, and slow speed for star capture, so it is not suitable for high-speed driving. Use under

Method used

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  • Communication-in-motion satellite pointing, capturing and tracking method and system thereof
  • Communication-in-motion satellite pointing, capturing and tracking method and system thereof
  • Communication-in-motion satellite pointing, capturing and tracking method and system thereof

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Embodiment Construction

[0035] refer to figure 1 As shown, a method of "communication in motion" satellite pointing, acquisition and tracking of the present invention is as follows: obtain the GPS geographic location information, GPS heading information and motion carrier inertial information of the antenna terminal, and obtain the antenna through Kalman filter calculation. The system controls the antenna to point to the satellite through the mechanical drive system according to the heading information, and detects the satellite power information, and uses the maximum power calculation method to estimate the pointing error to fine-tune the antenna to achieve precise pointing, and according to the change of heading information and power information Constantly adjust the position of the antenna to realize the capture and tracking of satellites.

[0036] In order to calculate the position of the satellite according to the coordinates of the antenna, in addition to providing GPS geographic location infor...

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Abstract

The invention discloses a communication-in-motion satellite pointing, capturing and tracking method and a system thereof, wherein GPS (Global Positioning System) geographic position information, GPS course information and moving carrier inertial information are obtained, and the position of the satellite is accurately figured out through combinatorial computing by means of the kalman filter, and simultaneously, the power information of the satellite is detected and the pointing error is estimated by the maximum power computing method; and then the position of the antenna is fine adjusted to realize accurate pointing of the antenna. The method provided by the invention is especially suitable for the low profile antenna terminal integrating a mixed motor with electronic scanning; as a result, the cost is effectively reduced and the accuracy is high; pointing, capturing and tracking to the satellite can be maintained in the running state and smooth communication is ensured; the transmission and receiving effects of the antenna terminal can be effectively improved and smooth communication is kept; and the social benefit and economic benefit are effectively improved; besides, the method and the system provided by the invention are significant for popularization of the low profile satellite system.

Description

technical field [0001] The invention relates to the technical field of mobile tracking communication, in particular to a "communication in motion" satellite pointing, acquisition and tracking method and system thereof suitable for vehicle-mounted (ship-borne or airborne) satellite mobile communication. Background technique [0002] In the field of satellite communications, especially in the case of stationary use, most of them use parabolic dish antennas. This type of antenna is cheap, so it has a large market. However, due to the long distance of the satellite, not only a large gain of the antenna is required, but also a very high star alignment accuracy is required. For applications that are in motion rather than stationary (for example, onboard a vehicle, ship or airborne), the system is much more complex to keep communication going while the vehicle is in motion. [0003] The vehicle-mounted (ship-borne or airborne) satellite mobile communication system is usually also ...

Claims

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Application Information

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IPC IPC(8): H01Q3/08H01Q1/27
Inventor 梁钊雷剑平何塞·阿隆索索兰·思维特科伟克伊凡·卡巴里罗伊凡·卡扬戴维斯·谷提乐茨
Owner 广东星航通信有限公司
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