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Programmable controlled reconfigurable antenna based on cross PIN diode

A PIN diode, programming control technology, applied in the direction of antenna, antenna array, radiating element structure, etc., can solve the problems that the transmission, radiation or reception of high-frequency electromagnetic wave signals cannot be realized, and the formation process is complicated, so as to achieve flexible control of the antenna system, The effect of reducing weight and cost and reducing complexity

Active Publication Date: 2015-06-17
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the gas plasma channel has certain invisibility and reconfigurability, the formation process is complex and requires high-energy excitation; due to the low ionization and the frequency of electromagnetic waves for effective transmission must be lower than the plasma frequency, most of them work in the megahertz frequency band, basically It cannot realize the transmission, radiation or reception of high-frequency electromagnetic wave signals

Method used

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  • Programmable controlled reconfigurable antenna based on cross PIN diode
  • Programmable controlled reconfigurable antenna based on cross PIN diode
  • Programmable controlled reconfigurable antenna based on cross PIN diode

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Such as Figure 5 The shown programmable controllable reconfigurable antenna based on cross-shaped PIN diodes includes a servo circuit 15, a programmable voltage source 16 and an antenna array 17 composed of cross-shaped PIN diodes in M ​​rows and N columns (a total of M×N). .

[0025] Servo circuit 15 is programmed to control programmable voltage source 16 (see image 3 ), so that the programmable voltage source 16 outputs 5×M×N circuit voltages that meet programming requirements; Figure 4 ) in the cross-shaped PIN diode 14 corresponding to M rows and N columns (a total of M×N) are connected to each other, that is, the voltage output by the programmable voltage source 16 is connected to the electrodes of the cross-shaped PIN diode 14 of the same number with wires together (as the output voltage V i,j,0 , V i,j,1 , V i,j,2 , V i,j,3 , V i,j,4 , respectively connected to 5 electrodes of the cross-shaped PIN diode 14 in the i-th row and the j-th column), such as F...

Embodiment 2

[0032] Such as Figure 5 As shown, the programmable control reconfigurable antenna based on cross-shaped PIN diodes includes a servo circuit 15 , a programmable voltage source 16 and a cross-shaped PIN diode array 17 with M rows and N columns.

[0033] The servo circuit 15 performs programming control on the programmable voltage source 16, so that the programmable voltage source 16 outputs multiple voltages that meet the programming requirements; The PIN diode array 17 is connected, that is, the voltage output by the programmable voltage source 16 is connected with the electrodes of the cross-shaped PIN diode 14 of the same number with wires to control the conduction and cut-off of the cross-shaped PIN diode 14, which can realize programmable control. Pattern reconfigurable antenna.

[0034] For the convenience of description, it is assumed that the intrinsic region lengths of the PIN diodes on the four arms of all the cross-shaped PIN diodes 14 in the cross-shaped PIN diode a...

Embodiment 3

[0038] Such as Figure 5 As shown, the programmable control reconfigurable antenna based on cross-shaped PIN diodes includes a servo circuit 15 , a programmable voltage source 16 and a cross-shaped PIN diode array 17 with M rows and N columns.

[0039] The servo circuit 15 performs programming control on the programmable voltage source 16, so that the programmable voltage source 16 outputs multiple voltages that meet the programming requirements; The PIN diode array 17 is connected, that is, the voltage output by the programmable voltage source 16 is connected with the electrodes of the cross-shaped PIN diode 14 of the same number with wires to control the conduction and cut-off of the cross-shaped PIN diode 14, and different linear arrays can be realized. antenna.

[0040] For convenience of description, assume that the distance between two adjacent columns in the cross-shaped PIN diode array 17 of M rows and N columns is all equal; assume that 4 of all cross-shaped PIN diode...

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Abstract

The invention discloses a programmable controlled reconfigurable antenna based on cross PIN diodes. The programmable controlled reconfigurable antenna comprises a servo circuit, a programmable voltage source and an antenna array, wherein the antenna array consists of M rows and N lines of cross PIN diodes; the servo circuit is used for controlling the programmable voltage source through programs and used for enabling the programmable voltage source to output multiple paths of voltage which meets the programming requirements; the multiple paths of the voltage output from the programmable voltage source are connected with corresponding cross PIN diodes in the antenna array, and are used for controlling the PIN diodes on different arms of the cross PIN diodes to be communicated and powered off, and used for achieving a programmable controlled frequency reconfigurable antenna, a programmable controlled directional diagram reconfigurable antenna and a programmable controlled straight line antenna or a planar array antenna. The programmable controlled reconfigurable antenna based on the cross PIN diode can be realized.

Description

technical field [0001] The invention relates to the field of semiconductor devices and the field of antennas, in particular to the realization of a programmable control reconfigurable antenna based on a cross-shaped PIN diode by using a semiconductor device. Background technique [0002] In recent years, with the rapid development of radio communication, radar and other engineering systems and multimedia technologies, the antennas in the system are required to be dynamically reconfigurable and provide data transmission rates up to Gigabit (GbpS). In order to reduce the cost of the communication system, reduce the weight, and achieve good electromagnetic compatibility, the antenna in the communication system is required to be reconfigurable in real time according to the actual use environment. Such a reconfigurable antenna can have the functions of multiple traditional antennas , the number of antennas in the entire communication system will be greatly reduced. In order to e...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q3/24H01Q23/00H01Q21/00
Inventor 刘会刚张时雨梁达廖沁悦任立儒张福海耿卫东
Owner NANKAI UNIV
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