Message broadcasting device and method for enhancement parameter in satellite navigation system

A technology of satellite navigation system and navigation message, which is applied in the field of satellite navigation, can solve the problems of low utilization rate of resources and inflexible dissemination of satellite navigation system message, and achieve the effect of improving utilization rate, improving scalability and improving flexibility

Active Publication Date: 2018-07-20
北京卫星导航中心 +1
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  • Description
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Problems solved by technology

[0002] At present, the satellite navigation system is more and more widely used. However, in actual work, the satellite navigation system has at least

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  • Message broadcasting device and method for enhancement parameter in satellite navigation system
  • Message broadcasting device and method for enhancement parameter in satellite navigation system
  • Message broadcasting device and method for enhancement parameter in satellite navigation system

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[0039] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by those with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the specification and claims of the patent application of the p...

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Abstract

The invention provides a message broadcasting device and method for an enhancement parameter in a satellite navigation system. The message broadcasting device comprises a processor and a transmitter,wherein the processor determines the insertion position of the enhancement parameter in a reserved space in a navigation message frame structure model according to the byte size and broadcast frequency of the enhancement parameter required to be broadcast so as to perform message arrangement on the enhancement parameter; and the transmitter uploads the arranged message to a broadcast satellite formessage broadcasting. The navigation message frame structure model is defined by super-frames, main frames and sub-frames, wherein the sub-frame 1 is used for broadcasting basic navigation information of satellites of the satellite navigation system and transmitting the information in a time sharing manner by 10 pages, the sub-frame 2 to the sub-frame 4 are used for broadcasting integrity and difference information of the satellite navigation system and transmitting the information in a time sharing manner by 6 pages, and the sub-frame 5 is used for broadcasting all satellite almanac and ionosphere information of the satellite navigation system and time synchronization information of other systems and transmitting the information by 120 pages in a time sharing manner.

Description

technical field [0001] The present invention relates to the field of satellite navigation, and more specifically, the present invention relates to a device and method for broadcasting electronic texts for enhanced parameters in a satellite navigation system. Background technique [0002] At present, the satellite navigation system is more and more widely used. However, in actual work, the satellite navigation system has at least one of the following shortcomings: the broadcasting of the satellite navigation system is not flexible enough, and the resource utilization rate is low. Contents of the invention [0003] In view of the above situation, the present invention provides a device and method for broadcasting electronic texts for enhanced parameters in a satellite navigation system. [0004] According to one aspect of the present invention, there is provided a device for distributing text messages of enhanced parameters in a satellite navigation system, including: a proc...

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Application Information

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IPC IPC(8): G01S19/05
CPCG01S19/05G01S19/072G01S19/02G01S19/07G01S19/23G01S19/256
Inventor 周建华赵金贤陈俊平巩秀强
Owner 北京卫星导航中心
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