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Ground-air broadband wireless communication system and method for airplane

An aircraft and broadband technology, applied in the direction of radio transmission system, transmission system, electrical components, etc., can solve the problems of long time for aircraft modification, no cost advantage, limited transmission rate, etc.

Active Publication Date: 2015-02-11
航广卫星网络有限责任公司
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AI Technical Summary

Problems solved by technology

This scheme has many disadvantages: first, its transmission rate is very limited, resulting in high cost per bit of data transmission; second, satellite-based schemes require special antennas and corresponding airborne equipment, which are very expensive , does not have a corresponding cost advantage; finally, the satellite-based data communication solution requires too long an aircraft modification time, usually about 1 week
According to the requirements of airworthiness regulations, aircraft that have not been modified cannot be used for flight transportation

Method used

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  • Ground-air broadband wireless communication system and method for airplane
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  • Ground-air broadband wireless communication system and method for airplane

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Embodiment Construction

[0150] Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0151] LTE air interface standard

[0152] Among many broadband wireless communication systems with mobile communication capabilities, the Long Term Evolution (LTE) technology developed by the 3rd Generation Partnership Project (3GPP) is a 4G-oriented wireless communication technology. It is particularly suitable for enabling broadband wireless communication with aircraft. LTE adopts the air interface design based on OFDM technology, and the goal is to build a high-speed, low-latency, packet-optimized wireless access system to provide higher data rate and spectrum utilization. The LTE system supports two duplex modes, FDD and TDD, and optimizes the traditional UMTS network architecture. LTE only includes eNodeB, no RNC; EPC is also greatly simplified. This makes the entire system flattened. The LTE air interface standard is a fixed broadband wireless access s...

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Abstract

The invention discloses a ground-air broadband wireless communication system and a method for an airplane. The system comprises a plurality of long term evolution (LTE) ground base stations installed along a predefined airway and an LTE communication terminal on the airplane, wherein an overlapping communication coverage area is arranged between adjacent LTE ground base stations, the base stations perform wireless launch and receiving according to an LTE wireless air interface protocol, and the LTE communication terminal performs wireless launch and receiving according to the LTE wireless air interface protocol to build high-speed two-way communication links with the ground base stations; and additionally, a plurality of airplane radio frequency antennas are arranged on the outer surface of the airplane and connected with the LTE communication terminal through interconnection wire cables. Each ground base station is provided with radio frequency antennas with the same polarization, the radio frequency antennas with the same polarization are directional antennas with a certain beam broadband, and the LTE communication terminal receives radio frequency signals launched by the ground base stations and launches radio frequency signals to the ground base stations through the plurality of airplane radio frequency antennas.

Description

technical field [0001] The present invention relates to the field of wireless communication. More specifically, the present invention is a ground-to-air broadband wireless communication system and method for an aircraft. Background technique [0002] For society, high-speed data communication is becoming more and more important and has become an indispensable element in people's social life. Most of the current high-speed data connections are based on lines with physical connections, such as twisted pairs, optical fibers, etc. Wired connections are difficult to use when mobility is required, so data communication based on wireless technology is very attractive to passengers on the airline. However, high-speed wireless data connection is difficult to reach the coverage distance requirement for actual flight use. An alternative is to provide aircraft with a high-speed link via satellite. This scheme has many shortcomings: first, its transmission rate is very limited, resul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
Inventor 段世平黎超叶玲玲肖业平焦现军马馨睿张邵洁
Owner 航广卫星网络有限责任公司
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