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Mobile terminal equipment for resisting high-frequency cable loss

A cable loss and mobile terminal technology, which is applied in radio transmission systems, line transmission parts, electrical components, etc., can solve the problems of inability to integrate split lacing units, achieve flexible installation location selection, reduce signal attenuation, and maintain and easy troubleshooting

Inactive Publication Date: 2018-06-05
深圳地空互联技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system is applied to the ground mobile network, the split base station is fixed, and the split strap unit cannot be integrated on the mobile terminal

Method used

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  • Mobile terminal equipment for resisting high-frequency cable loss
  • Mobile terminal equipment for resisting high-frequency cable loss
  • Mobile terminal equipment for resisting high-frequency cable loss

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Such as figure 1 , 1A As shown, the mobile terminal device for resisting high-frequency cable loss includes a baseband unit 100 , an optical fiber line 110 , a radio frequency unit 120 , an ultra-short coaxial radio frequency line 130 and an antenna 140 .

[0062] The baseband unit 100 is composed of a memory 101 , a DSP / ARM 102 , an FPGA 103 and a photoelectric converter 104 . The baseband unit mainly implements the upper layer protocol and signaling processing of the airborne terminal equipment, user plane data processing, and baseband function processing.

[0063] The optical fiber line 110 is used to connect the baseband unit 100 and the radio frequency unit 120 for high-speed signal transmission.

[0064] The radio frequency unit 120 is far away from the baseband unit 100, and the radio frequency unit 120 includes a photoelectric converter 121, an intermediate frequency processing unit 122, a digital-to-analog converter 123, a filtering and frequency conversion u...

Embodiment 2

[0073] The mobile terminal equipment used to resist high-frequency cable loss is suitable for broadband communication of aircraft, especially high-speed flying aircraft (greater than 500Km / h), including high-altitude passenger aircraft, ground-air high-speed aircraft, and spacecraft in space.

[0074] Such as figure 2 As shown, the mobile terminal equipment used to resist high-frequency cable loss is installed on the aircraft. The baseband unit 200 is installed on the nose part of the aircraft, and is connected with the radio frequency unit 202 installed at the rear of the aircraft through the optical fiber 201, and the radio frequency unit 203 is connected with the antenna 204 through a very short radio frequency cable. The onboard computer 240 is connected to the onboard dedicated wireless network 220 , the passenger uses the smart device 250 to connect to the passenger wireless network 230 , the dedicated wireless network 220 and the dedicated wireless network 230 are conn...

Embodiment 3

[0076] Such as image 3 As shown, the airborne communication system includes an information collection unit 300, a video monitoring unit 310, an aircraft bus data collection interface 320, a server 330, and a mobile terminal device 340 for resisting high-frequency cable loss.

[0077] The information collection unit 300 is used to collect relevant data information during high-speed driving (including internal and external), and send it to the server 330 through the aircraft bus data collection interface 320 to the mobile terminal device 340 for resisting high-frequency cable loss.

[0078] The video monitoring unit 310 is used to collect video data information during high-speed driving, and send the video data to the server 330 for the mobile terminal device 340 to resist high-frequency cable loss.

[0079] The aircraft bus data collection interface 320 is used to connect the information collection unit 300 , the video monitoring unit 310 and the server 330 , and a mobile term...

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PUM

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Abstract

The invention provides mobile terminal equipment for resisting high-frequency cable loss. The mobile terminal equipment comprises an antenna and an optical fiber, and further comprises the following units: a baseband unit for implementing at least one of upper layer protocol and signaling processing, user plane data processing, baseband function processing and local operation maintenance functionsof airborne terminal equipment, a radio frequency unit for implementing at least one of digital intermediate frequency processing, filtering and frequency conversion, power amplifiers, duplexing or filters and receiving low-noise amplifiers, and an ultra-short coaxial radio frequency line for connecting the radio frequency unit and the antenna. The radio frequency unit is installed on the airborne antenna side, signals between the baseband unit and the radio frequency unit are transmitted through the optical fiber, and thus the length of a radio frequency cable can be greatly reduced, the signal attenuation can be reduced, and the system performance can be further improved.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a mobile terminal device for resisting high-frequency cable loss. Background technique [0002] LTE is Long Term Evolution (time-sharing long-term evolution), which is one of the fourth-generation (4G) mobile communication technologies and standards. The limited spectrum bandwidth resources have stronger service provision capability, which is exactly the goal pursued by the global mobile communication industry. [0003] On the other hand, with the continuous development of user data service requirements, the need to provide data service access and services on civil aviation aircraft is becoming more and more urgent. Due to the high cost and capacity limitations of satellite communications, the ATG (Air To Ground) ground-to-air communication system that deploys base stations on the ground to cover the air is an efficient and ideal solution for civil aviation data ser...

Claims

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Application Information

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IPC IPC(8): H04B3/04H04B7/185
CPCH04B3/04H04B7/18502
Inventor 何善明卫利君冀燃
Owner 深圳地空互联技术有限公司
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