CN-122026926-A - Multi-band intelligent fusion antenna and data transmission method

CN122026926ACN 122026926 ACN122026926 ACN 122026926ACN-122026926-A

Abstract

The invention provides a multi-band intelligent fusion antenna and a data transmission method, wherein the multi-band intelligent fusion antenna comprises an antenna array, a signal receiving circuit electrically connected with the antenna array, a signal transmitting circuit electrically connected with the antenna array, and a controller electrically connected with the signal receiving circuit and the signal transmitting circuit, wherein the signal receiving circuit receives a receiving signal sent by the antenna array, the controller controls the receiving circuit to send the receiving signal to a first frequency band communication module, a second frequency band communication module or a third frequency band communication module, the signal transmitting circuit receives the first frequency band signal sent by the first frequency band communication module, the second frequency band signal sent by the second frequency band communication module or the third frequency band signal sent by the third frequency band communication module, and the controller controls the transmitting circuit to transmit the first frequency band signal, the second frequency band signal or the third frequency band signal through the antenna array. The invention can improve the efficiency, performance and reliability of network data transmission.

Inventors

LIU GUOFU
LIU WEIZHUANG
ZHENG YUJIE
JIAO XIAOHUI
WANG SHIQIANG
LIN HENG
Hai Shixuan
LI YING
WANG WEI
XIAO FENG
QI LIMEI
XU WENYUAN
YU SIYUAN
LI JINGQIN
GE WEITAO
YU XINGJIAN
DENG HONG
FENG JINGRAN
ZHOU MIN
JING YAN

Assignees

中国铁路设计集团有限公司
电信科学技术第一研究所有限公司
上海载讯智能科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. A multi-band intelligent fusion antenna, comprising: An antenna array; A signal receiving circuit electrically connected to the antenna array; A signal transmitting circuit electrically connected with the antenna array; a controller electrically connected to the signal receiving circuit and the signal transmitting circuit; wherein the signal receiving circuit includes: a receiving amplifier; A single pole double throw switch electrically connected to the receiving amplifier; A phase shifter electrically connected to the single pole double throw switch; a single pole, triple throw switch electrically connected to the phase shifter; the controller is electrically connected with the phase shifter; Wherein, the signal transmitting circuit includes: the single-pole three-throw switch; a phase shifter electrically connected to the single pole, triple throw switch; a single pole double throw switch electrically connected to the phase shifter; a transmit amplifier electrically connected to the single pole double throw switch; The signal receiving circuit receives a receiving signal sent by the antenna array, and the controller controls the receiving circuit to send the receiving signal to the first frequency band communication module, the second frequency band communication module or the third frequency band communication module, wherein the first frequency range of the first frequency band, the second frequency range of the second frequency band and the third frequency range of the third frequency band are different; the signal transmitting circuit receives a first frequency band signal sent by the first frequency band communication module, a second frequency band signal sent by the second frequency band communication module or a third frequency band signal sent by the third frequency band communication module, and the controller controls the transmitting circuit to transmit the first frequency band signal, the second frequency band signal or the third frequency band signal through the antenna array.
2. The multiple frequency band intelligent fusion antenna of claim 1, wherein the receiving amplifier receives a receiving signal sent by an antenna array, the single pole double throw switch controls on or off of the receiving amplifier, the controller controls phase setting of the phase shifter, and the receiving signal is sent to the first frequency band communication module, the second frequency band communication module or the third frequency band communication module through the single pole triple throw switch.
3. The multi-band intelligent fusion antenna according to claim 2, wherein the single-pole three-throw switch receives a first band signal sent by the first band communication module, a second band signal sent by the second band communication module, or a third band signal sent by the third band communication module, the controller controls the phase shifter to set a corresponding phase, and the first band signal, the second band signal, or the third band signal is sent to the transmitting amplifier through the single-pole two-throw switch, amplified by the transmitting amplifier, and then transmitted through the antenna array.
4. The multi-band intelligent fusion antenna of claim 1, wherein the antenna elements are arranged in an array form, and an array pitch is a preset distance; The preset distance Wherein d is a preset distance, And the wavelength corresponding to the minimum center frequency in the first frequency band, the second frequency band and the third frequency band.
5. The multi-band intelligent fusion antenna of claim 1, further comprising a rotating motor electrically connected with the controller and the antenna array, wherein the controller adjusts the angle of the antenna array through the rotating motor according to the mode of the antenna array, wherein in a first mode, the optimal attitude angle of the antenna array is determined according to the received signal strength of the antenna array, and in a second mode, the optimal attitude angle of the antenna array is determined according to the positions of the antenna and the satellite.
6. The multi-band smart fused antenna of claim 5, wherein in the first mode, determining an optimal attitude angle of an antenna element based on a received signal strength of the antenna element comprises: In the first mode, according to Obtaining an optimal attitude angle; Wherein, the For an optimal value of the antenna azimuth, the elevation angle is 0, Is the optimal attitude angle; ; ; AZ is the azimuth angle of the antenna, Indicating a coarse azimuth angle, RSSI is the received signal strength, Is the received signal strength at the antenna azimuth.
7. The multi-band smart fused antenna of claim 3, wherein the controller controlling the phase setting of the phase shifter comprises: when the intensity of the received signal is lower than a preset threshold value, the controller controls the phase shifter to carry out phase adjustment, and changes the direction and the amplitude of the signal beam to the optimal position, wherein the phase adjustment process formula of the phase shifter is as follows: , Wherein, the Representing the phase adjustment amount of the phase shifter after the n+1th iteration, Representing the phase adjustment amount of the phase shifter after the nth iteration, As a step-size factor, Representing the error signal of the nth iteration, Representing the conjugate of the received signal vector for the nth iteration.
8. A data transmission method based on a multi-band intelligent fusion antenna, which is applied to the multi-band intelligent fusion antenna according to any one of claims 1 to 7, and comprises the following steps: when the signal receiving circuit receives a receiving signal sent by an antenna array, the receiving circuit of the multi-frequency-band intelligent fusion antenna is controlled to send the receiving signal to a first frequency band communication module, a second frequency band communication module or a third frequency band communication module, wherein the first frequency range of the first frequency band, the second frequency range of the second frequency band and the third frequency range of the third frequency band are different; When the signal transmitting circuit receives a first frequency band signal sent by the first frequency band communication module, a second frequency band signal sent by the second frequency band communication module or a third frequency band signal sent by the third frequency band communication module, the controller controls the transmitting circuit to transmit the first frequency band signal, the second frequency band signal or the third frequency band signal through the antenna array.
9. The method for transmitting data based on a multi-band smart fused antenna according to claim 8, wherein controlling the receiving circuit of the multi-band smart fused antenna to transmit the received signal to the first band communication module, the second band communication module, or the third band communication module comprises: Placing the multi-band intelligent fusion antenna at a preset position; The signal receiving circuit of the multi-band intelligent fusion antenna is controlled to be communicated; setting a preset network module interface through a controller, wherein the preset network module is a first frequency band communication module, a second frequency band communication module or a third frequency band communication module; adjusting the angle of the antenna array to maximize the signal intensity; and obtaining a receiving signal through the preset network module.
10. The method for transmitting data based on a multi-band smart fused antenna according to claim 8, wherein controlling the transmitting circuit to transmit the first band signal, the second band signal, or the third band signal through the antenna array comprises: Placing the multi-band intelligent fusion antenna at a preset position; controlling the signal transmitting circuit of the multi-band intelligent fusion antenna to be communicated; setting a preset network module interface through a controller, wherein the preset network module is a first frequency band communication module, a second frequency band communication module or a third frequency band communication module; adjusting the angle of the antenna array to maximize the signal intensity; and transmitting the transmitting signal through the preset network module.

Description

Multi-band intelligent fusion antenna and data transmission method Technical Field The invention relates to the technical field of communication, in particular to a multi-band intelligent fusion antenna and a data transmission method. Background The 5G frequency band is divided into an FR1 frequency band and an FR2 frequency band at present, wherein the FR1 frequency band is 410MHz-7125MHz, the FR2-1/2 frequency band is 24250-71000MHz, the FR2-NTN frequency band is 17300-30000MHz, the broadband low-orbit satellite communication frequency band mainly uses a Ka frequency band, the WiFi frequency band is 2400-2483.5MHz, 5150-5850MHz and 5925-7125MHz, and the beam forming antenna is an antenna technology for realizing the shaping of a radiation pattern according to requirements by accurately regulating and controlling the phase and amplitude distribution of electromagnetic waves. The current wireless communication equipment is generally designed aiming at a certain fixed transmission standard, when one equipment supports a plurality of wireless transmission standards at the same time, the antennas are independent and cannot be reused, and particularly, 5G millimeter waves and broadband low-orbit satellites generally use respective beam forming antennas, so that the cost of the antennas is high, the number of the antennas is large, and the installation and the use are not facilitated. Disclosure of Invention The invention aims to provide a multi-band intelligent fusion antenna and a data transmission method. The efficiency, performance and reliability of network data transmission can be improved. In order to solve the technical problems, the technical scheme of the invention is as follows: a multi-band smart fused antenna, comprising: An antenna array; A signal receiving circuit electrically connected to the antenna array; A signal transmitting circuit electrically connected with the antenna array; a controller electrically connected to the signal receiving circuit and the signal transmitting circuit; wherein the signal receiving circuit includes: a receiving amplifier; A single pole double throw switch electrically connected to the receiving amplifier; A phase shifter electrically connected to the single pole double throw switch; a single pole, triple throw switch electrically connected to the phase shifter; the controller is electrically connected with the phase shifter; Wherein, the signal transmitting circuit includes: the single-pole three-throw switch; a phase shifter electrically connected to the single pole, triple throw switch; a single pole double throw switch electrically connected to the phase shifter; a transmit amplifier electrically connected to the single pole double throw switch; The signal receiving circuit receives a receiving signal sent by the antenna array, and the controller controls the receiving circuit to send the receiving signal to the first frequency band communication module, the second frequency band communication module or the third frequency band communication module, wherein the first frequency range of the first frequency band, the second frequency range of the second frequency band and the third frequency range of the third frequency band are different; the signal transmitting circuit receives a first frequency band signal sent by the first frequency band communication module, a second frequency band signal sent by the second frequency band communication module or a third frequency band signal sent by the third frequency band communication module, and the controller controls the transmitting circuit to transmit the first frequency band signal, the second frequency band signal or the third frequency band signal through the antenna array. Optionally, the receiving amplifier receives a receiving signal sent by the antenna array, the single-pole double-throw switch controls the receiving amplifier to be connected or disconnected, the controller controls the phase setting of the phase shifter, and the receiving signal is sent to the first frequency band communication module, the second frequency band communication module or the third frequency band communication module through the single-pole double-throw switch. Optionally, the single-pole three-throw switch receives a first frequency band signal sent by the first frequency band communication module, a second frequency band signal sent by the second frequency band communication module or a third frequency band signal sent by the third frequency band communication module, the controller controls the phase shifter to set a corresponding phase, the first frequency band signal, the second frequency band signal or the third frequency band signal is sent to the transmitting amplifier through the single-pole double-throw switch, and the signal is amplified by the transmitting amplifier and then transmitted through the antenna array. Optionally, the antenna array is arranged according to an array form, and the array space is a preset dist