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Positioning system based positioning method and device employing frequency band combination, and cargo real time positioning method executed by server

A positioning system and frequency band technology, applied in satellite radio beacon positioning systems, radio wave measurement systems, instruments, etc., can solve problems such as reduced shopping satisfaction, increased consulting costs, and inability to fully provide GPS signal frequency bands, etc., to reduce consultation cost, satisfaction-increasing effect

Active Publication Date: 2018-03-16
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some high mountains, densely built or remote areas, the GPS signal frequency band cannot fully provide
In addition, the current logistics positioning only feeds back the location information to the customer when the goods arrive at a fixed station, but the dynamics of the goods on the way cannot be fed back to the customers, so the consulting cost about the dynamics of the goods will increase, and customers cannot Reasonable arrangement of time will reduce satisfaction with shopping

Method used

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  • Positioning system based positioning method and device employing frequency band combination, and cargo real time positioning method executed by server
  • Positioning system based positioning method and device employing frequency band combination, and cargo real time positioning method executed by server
  • Positioning system based positioning method and device employing frequency band combination, and cargo real time positioning method executed by server

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Embodiment Construction

[0038] Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described here are only for illustration, not for limiting the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known circuits, materials or methods have not been described in detail in order to avoid obscuring the present invention.

[0039] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention. In at least one embodiment. Thus, appearances of the phrases "in on...

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Abstract

The invention discloses a positioning system based positioning method and device employing frequency band combination, and a cargo real time positioning method executed by server. The method includesdetermining a set of candidate frequency bands; selecting a first number of frequency bands from the set of the candidate frequency bands; exporting the optimal coefficient in combination coefficientsof the first number of frequency bands, wherein the combination coefficients form a coefficient matrix between a combination observation value and a measurement value matrix composed of pseudo-rangemeasurement values aiming at frequency bands in a one-to-one corresponding manner and carrier wave phase measurement values; and obtaining positioning result information based on the determined optimal coefficient in the combination coefficients.

Description

technical field [0001] The invention relates to the field of positioning, in particular to a method and device for positioning based on frequency band combinations of a positioning system, and a method for real-time positioning of goods executed by a server. Background technique [0002] With the rise of the e-commerce industry and the accelerated pace of life of customers, online shopping has also spread to wider areas such as rural areas, so customers have higher and higher requirements for the accuracy and real-time positioning of logistics goods. If the goods can be positioned accurately in real time, the real-time performance of goods positioning can be greatly improved, the logistics cost can be reduced, and the needs of customers can be satisfied to the greatest extent. [0003] At present, cargo positioning is mainly GPS positioning. However, in some high mountains, densely built or remote areas, the GPS signal frequency band cannot be fully provided. In addition, ...

Claims

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Application Information

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IPC IPC(8): G01S19/42G06Q10/08G06Q50/28
CPCG06Q10/0833G01S19/425G06Q10/08
Inventor 王春兰
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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