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Adaptive MIMO method and system for aeronautical communication

An aeronautical communication, multi-output technology, applied in the field of aeronautical communication, can solve problems such as difficulty in diversity gain, and achieve the effect of high system capacity and communication stability and reliability

Inactive Publication Date: 2015-07-29
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the aviation channel belongs to the Rice (RICE) channel, there is a strong direct path (LOS), and the channel has a strong correlation. In this case, it is very difficult to obtain diversity gain

Method used

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  • Adaptive MIMO method and system for aeronautical communication
  • Adaptive MIMO method and system for aeronautical communication
  • Adaptive MIMO method and system for aeronautical communication

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] It should be noted that the terms "first", "second", and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more features. Further, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0024] Any process or method descriptions in flowchar...

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Abstract

The invention discloses an adaptive multiple input multiple output method and system for aviation communication. The adaptive multiple input multiple output method for the aviation communication comprises the following steps of: 1, establishing a three-dimensional multiple input multiple output channel model; 2, computing optimal channel capacity; 3, acquiring a distance between an airplane and a ground antenna array and a direction angle of the airplane relative to the ground antenna array; 4, computing a distance dr between every two adjacent antennae in a virtual receiving antenna array on an airplane body according to the optimal channel capacity, the distance and the direction angle by using an adaptive minimum mean square error interpolation algorithm; and 5, computing a distance dt between every two adjacent antennae in a virtual transmitting antenna array on the airplane body according to the optimal channel capacity, the distance and the direction angle by using an adaptive delay algorithm. According to the adaptive multiple input multiple output method and system disclosed by the embodiment of the invention for the aviation communication, maximum system capacity can be provided according to the position of the airplane in real time.

Description

technical field [0001] The invention relates to the technical field of aeronautical communication, in particular to an adaptive multiple-input multiple-output (MIMO) method and system for aeronautical communication. Background technique [0002] With the continuous development of civil aviation, the number and traffic of civil aviation aircraft continue to increase, and the traffic of ground-air data communication is also increasing day by day. These data include air traffic control data (ATC), civil aviation management and operation data (AOC), airborne mobile communication data (APC), etc. The traditional air-ground aeronautical communication adopts the single-send-single-receive (SISO) communication system, and its capacity has gradually reached saturation. In order to solve the capacity bottleneck of the ground-air data communication system caused by the continuous growth of ground-air data communication traffic, the ground-air data communication system has more features...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/06H04B7/08H04B7/185
Inventor 张超回彦年
Owner TSINGHUA UNIV
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