Real-time calibration of an air to ground communication system

An air-to-ground, two-way communication technology, applied in traffic control system, wireless communication, transmission system, etc., can solve the problem of high cost

Inactive Publication Date: 2013-10-09
QUALCOMM INC
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  • Application Information

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Satellite-based systems have more sp...

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  • Real-time calibration of an air to ground communication system
  • Real-time calibration of an air to ground communication system
  • Real-time calibration of an air to ground communication system

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Embodiment Construction

[0023] The detailed description set forth below in conjunction with the accompanying drawings is intended as a description of various configurations, and is not intended to represent the only configuration that can implement the concepts described herein. In order to provide a comprehensive understanding of the various concepts, the detailed description includes specific details. However, it is obvious to those skilled in the art that these concepts can be realized without these specific details. In some examples, well-known structures and components are shown in the form of block diagrams in order to avoid obscuring these concepts.

[0024] Due to practical and economic reasons, the spectrum that can be used for Internet communications with aircraft by the land-air-to-ground (ATG) system has been restricted. Providing seamless communication with aircraft flying at higher altitudes over a larger area, such as the continental United States, involves the spectrum available over th...

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Abstract

A method for real-time calibration of an air to ground two-way communication system. The method includes calibrating a ground base station antenna array according to forward link calibration coefficients received from an aircraft as part of a communication signaling protocol during operation of the air to ground two-way communication system. The method may also includes communicating between the ground base station antenna array and the aircraft over a narrow beam.

Description

[0001] Cross references to related applications [0002] This patent application claims the priority of U.S. Provisional Application No. 61 / 441,231 filed on February 9, 2011 and the inventor is M. Tassoudji et al. This provisional application has been assigned to the assignee of this application, so it is incorporated by reference All its contents are expressly incorporated into this article. [0003] This application and the inventor is A.JALALI, etc., the agency plan number is 111025U1, the US patent application named "HIGH DATA RATE AIRCRAFT TO GROUND COMMUNICATION ANTENNA SYSTEM" and the inventor is A.JALALI, etc., the agency plan number is 111025U3, The commonly assigned U.S. patent application named "GROUND STATION ANTENNA ARRAY FOR AIR TO GROUND COMMUNICATION SYSTEM" is related, and the disclosures of these two patent applications are expressly incorporated herein by reference. Technical field [0004] In summary, aspects of the present invention relate to wireless communicat...

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Application Information

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IPC IPC(8): H04B7/185H01Q3/26
CPCH04W52/241H01Q3/24H04B7/18506H01Q25/00H01Q1/28H01Q3/26H04W84/005H01Q1/2291H01Q13/02H01Q1/246H01Q21/062H01Q21/205G08G5/00H01Q21/00
Inventor A·贾拉利M·A·塔苏德吉E·T·奥萨基W·G·埃姆斯L·N·希夫
Owner QUALCOMM INC
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