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A beam detection method and device

A detection method and beam technology, which is applied in the field of communication, can solve problems such as the inability to guarantee the consistency accuracy of beamforming technology amplitude and phase, the small antenna spacing of the millimeter wave system, and the large link attenuation of the millimeter wave system.

Active Publication Date: 2020-03-17
DATANG MOBILE COMM EQUIP CO LTD
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  • Application Information

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Problems solved by technology

There are two main reasons. First, the distance between the antennas of the millimeter-wave system is very small, and there is not enough space for the placement of the calibration network. Second, the link attenuation of the millimeter-wave system is very large. Can cause large amplitude and phase jitter, and cannot guarantee the consistency accuracy of amplitude and phase required by beamforming technology

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  • A beam detection method and device
  • A beam detection method and device
  • A beam detection method and device

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Embodiment Construction

[0058] The embodiment of the present application provides a beam detection method and device, which can still realize accurate beamforming in the millimeter wave wireless communication system without using the calibration network for antenna array calibration in the millimeter wave wireless communication system .

[0059] The technical problem to be solved in the embodiments of this application is to use the beamforming technology of large-scale antenna arrays in the 5G communication system to make the beams point to specific users and shield interference, thereby greatly improving the system capacity. Therefore, in large-scale antenna arrays Applying beamforming technology has become an enabling technology for the system. However, applying beamforming in Time Division Duplex (TDD) mode requires real-time calibration of the antenna array, but in millimeter-wave wireless communication systems, traditional calibration techniques are difficult to implement, mainly because of the ...

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Abstract

The present application discloses a beam detection method and device for realizing accurate beam forming in the millimeter wave wireless communication system without using a calibration network for antenna array calibration in the millimeter wave wireless communication system. A beam detection method provided in the present application includes: determining a beam with a preset width; scanning a user by using the beam with a preset width.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a beam detection method and device. Background technique [0002] With the rapid development of 5G wireless mobile communication technology, in order to solve the problem of wireless network capacity, large-scale antenna array and its beamforming technology have become one of the enabling technologies of 5G system. In the low frequency band of the 5G system, that is, the frequency band below 6 GHz, traditional beamforming and beam detection technologies can be used. Beamforming technology needs to use the calibration network of the antenna array to transmit calibration signals and perform system calibration to achieve the unity of the antenna array signal amplitude and phase, thereby generating a specific beam associated with the user. The existing system receives the uplink detection signal sent by the mobile user through the broadcast beam of the antenna...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0408H04B7/06H04B7/08H04W16/28
CPCH04B7/0408H04B7/0617H04B7/0897H04W16/28H04B7/0695H04B7/088H04B7/0413
Inventor 王世华段滔马静艳伍坚
Owner DATANG MOBILE COMM EQUIP CO LTD