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A sub-array-level digital multi-beam satellite communication phased array antenna

A digital multi-beam, phased array antenna technology, applied in the direction of antenna, antenna array, antenna grounding switch structure connection, etc., can solve the problems of large amount of equipment, slow development, high cost, etc., to improve experience and improve space utilization , cost reduction effect

Active Publication Date: 2018-06-19
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The digital multi-beam phased array antenna has been gradually developed in the field of radar, but in the field of satellite communication, due to the limitation of satellite terminal equipment and special requirements of satellite communication system, the development is relatively slow, so the rapid and efficient development has the advantages of flexible digital The beam phased array satellite communication antenna has also become a research hotspot of all parties
Unit-level digital beamforming technology requires a large amount of equipment, high power consumption, and high cost, which is not conducive to engineering implementation

Method used

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  • A sub-array-level digital multi-beam satellite communication phased array antenna
  • A sub-array-level digital multi-beam satellite communication phased array antenna
  • A sub-array-level digital multi-beam satellite communication phased array antenna

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Embodiment Construction

[0018] Below, combine Figure 1-Figure 3 The present invention will be further described.

[0019] In a subarray-level digital multi-beam satellite communication phased array antenna 1, such as figure 1 As shown, it is a structure integrating multiple independent modules. The phased array antenna consists of an antenna unit 1, an analog active sub-array 2, a local oscillator feed network 3, a digital beamforming device 4, and a satellite communication terminal module 5 arranged in sequence from top to bottom; the form of the antenna unit 1 Not limited, multi-directional design can be carried out according to the specific needs of satellite resources; multiple antenna units 1 form an array according to the set arrangement and are arranged at the front end of the analog active sub-array 2, and are connected to the analog active sub-array 2 through cables or quick-plug connectors. The transceiver components in the active subarray are connected.

[0020] In a subarray-level dig...

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Abstract

The invention discloses a subarray-level digital multi-beam satellite communication phased array antenna, which includes a broadband antenna unit, an analog active subarray, a local oscillator feed network, a digital beam forming device, a satellite communication terminal module, etc.; the invention The designed multi-beam satellite communication phased array antenna can not only form multiple beams at the satellite communication terminal, but also have the functions of adaptive beam zeroing and anti-interference according to the wave coming from space, which can meet the needs of future satellite and ground terminals. Multipoint communication. The antenna system can be used not only for the ground terminal, but also for the antenna terminal of the transponder on the satellite.

Description

technical field [0001] The technical field involved in the present invention covers communication, navigation, detection and receiving, remote control and telemetry, etc., and is specifically a subarray-level digital multi-beam satellite communication phased array antenna. The present invention is also especially suitable for satellite communication on the ground or on the satellite to realize data exchange between equipment at both ends of the signal, and can be used as a satellite communication terminal phased array with functions such as satellite signal fast acquisition, tracking, polarization selection, and multi-beam formation. antenna system. Background technique [0002] In satellite communication, the ground terminal antennas in our country often use traditional reflectors, flat panel arrays or analog active phased array antennas. These antennas play a huge role in the establishment of satellite communication signals. However, the mainstream antenna technology can ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q21/00H01Q23/00H01Q1/50
Inventor 韩国栋王焕菊张宙张领飞高冲
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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