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A hybrid multi-beam forming method, antenna device and related device

An antenna device and beam technology, applied in the field of communication, can solve the problems of frequent beam switching, reducing system performance, increasing beam switching overhead, etc.

Active Publication Date: 2021-12-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the NGEO satellite system has the characteristics of high-speed movement relative to the ground, even if the user does not move relative to the ground, there will be frequent beam switching problems, which increases the beam switching overhead and reduces system performance.

Method used

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  • A hybrid multi-beam forming method, antenna device and related device
  • A hybrid multi-beam forming method, antenna device and related device
  • A hybrid multi-beam forming method, antenna device and related device

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0047] A hybrid multi-beam forming method, antenna device and related devices provided in the embodiments of the present application can be applied to various communication systems, such as satellite communication systems, unmanned aerial vehicle communication systems, and the like. The embodiment of this application is based on figure 1 The satellite communication system shown is taken as an example for illustration. Such as figure 1 As shown, the satellite communication system includes satellite equipment 11 and user equipment 12 . Among them, the satellite equipment 11 includes an antenna device 111 provided in the embodiment of the present application. The antenna device 111 can be used to form a hybrid multi-beam, and each spot beam forms a coverage area 14 on the ground, and the user equipme...

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Abstract

The embodiment of the present application discloses a hybrid multi-beam forming method and a related device. An antenna device provided in an embodiment of the present application includes a planar phased array antenna using a rectangular array; the planar phased array antenna includes S-row antenna sub-arrays, and the S-row antenna sub-arrays take the moving direction of the antenna device as The reference arrangement is beneficial to reduce the beam switching overhead.

Description

technical field [0001] The present invention relates to the communication field, in particular to a hybrid multi-beam forming method, an antenna device and related devices. Background technique [0002] The satellite systems currently in operation and deployment mostly adopt the spot beam scheme. Through multi-beam antennas, multiple spot beams can be formed at the same time to cover different areas on the ground to solve the communication problem in areas not covered by ground base stations. For example, each satellite in the Iridium system is equipped with 48 L-band fixed spot beams to provide global communications. The non-geostationary earth orbit (NGEO) satellite system uses high-gain spot beams for data transmission with ground terminals, which can provide low communication delay and high communication rate; at the same time, the system can reduce the cost of a single satellite, It is a research hotspot of satellite communication at present. However, because the NGEO...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185H04B7/06H04B7/08
CPCH04B7/18519H04B7/0695H04B7/088
Inventor 黄晶晶王光健
Owner HUAWEI TECH CO LTD
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