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Closed space distributed high-capacity wireless broadband networking system and networking method

A wireless broadband and distributed technology, which is applied in the field of distributed large-capacity wireless broadband networking systems in closed domain space, can solve the problems of great changes in the received signal amplitude of users, affecting the reception effect, and the existence of hot spots and blind spots. Reduced implementation complexity, low cost, and no noise build-up effect

Active Publication Date: 2020-08-25
NAVAL UNIV OF ENG PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The simulation results show that the use of a general point source antenna will cause a great change in the amplitude of the user's received signal, and there will be hot spots and blind spots, which will affect the reception effect

Method used

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  • Closed space distributed high-capacity wireless broadband networking system and networking method
  • Closed space distributed high-capacity wireless broadband networking system and networking method
  • Closed space distributed high-capacity wireless broadband networking system and networking method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as Figures 1 to 3 As shown, the present invention provides a closed-space distributed large-capacity wireless broadband networking system, including a control station, a switch, several base stations and leaky coaxial cables;

[0039] The console is connected to the switch through Ethernet, the switch is connected to several base stations through coaxial cables, and several base stations are connected to the leaky coaxial cables, and the leaky coaxial cables are connected along the The trajectories are laid around such that each of the base stations covers a set of moving nodes.

[0040] Specific as figure 2 As shown, the leaky coaxial cable includes an inner conductor 1, an insulating medium layer 2, an outer conductor 3 and an outer sheath layer 5 arranged sequentially from the inside to the outside, and the surface of the outer conductor is provided with a number of penetrating holes according to preset intervals. Slot 4.

[0041] In a specific application,...

Embodiment 2

[0043] Since the electromagnetic wave is transmitted longitudinally in the leaky cable, it radiates to the outside through the slot; the external electromagnetic field can also be induced into the inside of the leaky cable through the slot and transmitted to the receiving end. Leaky cables have dual functions of feeder transmission and receiving and transmitting antennas.

[0044] Therefore, the difference between this embodiment and Embodiment 1 is mainly that a receiving end is added to the system to realize two-way data transmission between the console and the receiving end.

[0045] Specifically, the closed-space space distributed large-capacity wireless broadband networking system of Embodiment 2 includes a control station, a switch, several base stations, leaky coaxial cables, and a receiving end arranged in a moving node area;

[0046] The console is connected to the switch through Ethernet, the switch is connected to several base stations through coaxial cables, and se...

Embodiment 3

[0049] Although, the advantage of the leaky coaxial cable system is that it can ensure continuous and uniform coverage of the signal, and a reasonable selection of leaky cable types can support broadband multi-system coverage. However, the main disadvantages of leaky coaxial cables are small coverage and high loss; the coverage is within 10 meters, and power amplifiers can be added to the base station when the loss problem needs to be considered.

[0050] Therefore, the difference between the present embodiment and the second embodiment is mainly that a power amplifier is provided on the base station or the leaky coaxial cable to obtain larger applicable scenarios.

[0051] Specifically, the closed-space space distributed large-capacity wireless broadband networking system of Embodiment 2 includes a control station, a switch, several base stations, leaky coaxial cables, and a receiving end arranged in a moving node area;

[0052] The console is connected to the switch through ...

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Abstract

The invention provides a closed space distributed high-capacity wireless broadband networking system and a networking method. The system comprises a command and control console, an exchanger, a plurality of base stations and a leaky coaxial cable, wherein the command and control console is connected with the exchanger through the Ethernet, the exchanger is connected with the plurality of base stations through the coaxial cable, the plurality of base stations are connected with the leaky coaxial cable, and the leaky coaxial cable is laid around the trajectory of motion nodes, so each base station covers a group of motion nodes. According to the networking system and method provided by the invention, by adopting an air interface scheme of a directional leaky coaxial cable and an access networking scheme of wireless communication networking, a simple networking system is adopted to obtain the beneficial effects of wide communication frequency band, good system compatibility and ultra-large-capacity broadband networking under the condition of ensuring that wireless nodes meet the signal coverage requirement of a base station.

Description

technical field [0001] The invention relates to the technical field of wireless communication transmission, in particular to a closed-space distributed large-capacity wireless broadband networking system and a networking method. Background technique [0002] When the working environment of traditional base station antennas is a metal-enclosed space and there are a large number of metal supports, it will cause signal occlusion, reflection, scattering and other phenomena, which will affect the transmission of wireless signals. Therefore, traditional base station antennas cannot form effective and reliable coverage. There are two main difficulties in confined space wireless networking technology: first, how to achieve good coverage of wireless signals in an environment with a large number of metal frames; second, how to achieve large-capacity, high-speed and reliable data transmission. Design the air interface based on leaky cable for the first problem; design the physical laye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W24/02H04W72/04
CPCH04W16/18H04W24/02H04W72/0446
Inventor 刘宏波孟进葛松虎罗康李伟郭宇何方敏周亮
Owner NAVAL UNIV OF ENG PLA
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