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High-gain phased array microstrip antenna

A technology of microstrip antenna and phased array, which is applied in the direction of antenna, antenna array, antenna grounding device, etc., and can solve the problem that the gain and beam control ability of small-scale phased array antennas are not as good as those of large-scale phased array antennas, complexity and cost Restricting the development of 5G mobile communications and other issues, achieving the effect of high gain and beam control capabilities, low structural complexity, and low cost

Inactive Publication Date: 2018-11-09
INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The gain and beam steering ability of small-scale phased array antennas are not as good as those of large-scale phased array antennas, and the existing technology cannot improve the gain and beam steering capabilities of small-scale phased array antennas to the level of existing large-scale phased array antennas , to improve the antenna gain and beam steering capability, the antenna size must be increased
However, in the field of 5G mobile communication, the complexity and cost of a base station antenna system composed of hundreds of antennas will seriously restrict the development of 5G mobile communication.

Method used

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings.

[0029] A microwave lens is placed above the antenna array of the phased array antenna, and the gain of the phased array antenna can be improved by using the refraction and convergence characteristics of the microwave lens to electromagnetic waves, thereby realizing the realization of large-scale phased array antennas with small-scale phased array antennas purpose of high gain and beam steering capability. The present invention is realized based on such theoretical basis just.

[0030] Such as figure 1 As shown, the high-gain phased array microstrip antenna provided by the embodiment of the present invention includes a microstrip antenna array 1 and a microwave lens 2 covering the microstrip antenna array 1 . By using the microwave lens 2 with a s...

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Abstract

The invention discloses a high-gain phased array microstrip antenna, which comprises a microstrip antenna array and a microwave lens covering the microstrip antenna array. The gain of the antenna array is improved by using the refraction and convergence characteristics of the microwave lens to electromagnetic waves, and further through controlling the amplitude and the phase of each excitation port in the antenna array, beam scanning is realized, the high gain and the beam control capability of a large-scale phased array antenna can be achieved by using a small-scale phased array antenna finally, and a new solution is provided for realization of a 5G base station based on a large-scale phased array antenna in a low structure complexity and low cost mode.

Description

technical field [0001] The invention relates to antenna technology, in particular to a high-gain phased array microstrip antenna. Background technique [0002] The fifth-generation mobile communication has high requirements for system capacity and system efficiency. The multi-beam control technology based on the theory of large-scale millimeter-wave phased array antenna is an effective means to improve the capacity of mobile communication systems. It has high gain, high efficiency, and beam Features such as flexible control. In 2012, Swedish Lund University and Bell Labs jointly developed a 128-antenna circular and linear array working at 2.6GHz, where the circular array consists of 128 antenna ports. In 2013, Denmark's Aalborg University and Bell Labs developed a cylindrical array of 96 antenna elements working at 2.45GHz and a rectangular array of 64 monopole antennas working at 5-6GHz. my country's 5G research and standardization organization IMT-2020 promotion group se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q21/00H01Q19/06H01Q1/38H01Q1/48H01Q1/50
CPCH01Q1/38H01Q1/48H01Q1/50H01Q19/06H01Q21/00
Inventor 郑占旗张立军张小宾叶甜春邱昕慕福奇
Owner INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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