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Communication method, device and system

A communication method and state information technology, applied in the transmission system, radio transmission system, diversity/multi-antenna system, etc., can solve problems such as no solution

Pending Publication Date: 2021-12-03
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Based on the new antenna structure, how to correctly select and report the airspace basis vector for the terminal equipment to ensure the correct communication between the terminal equipment and the network equipment, there is still no corresponding solution

Method used

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  • Communication method, device and system
  • Communication method, device and system
  • Communication method, device and system

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Embodiment Construction

[0089] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. The specific operation methods in the method embodiments can also be applied to the device embodiments or system embodiments. Wherein, in the description of the present application, unless otherwise specified, "plurality" means two or more.

[0090] Such as figure 1 As shown in , it is a schematic diagram of a possible network architecture applicable to this application, including network devices and at least one terminal device. The network device and the terminal device can work on a new radio (new radio, NR) communication system, and the terminal device can communicate with the network device through the NR communication system. The network device and the terminal device may also work on other communication systems, which is not limited in this embodiment of the present a...

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Abstract

The invention provides a communication method, device and system. The method comprises the following steps: the terminal equipment determines at least one column vector in a first basis matrix as a space domain basis vector; cSI is sent to a network device, the CSI comprises a spatial-domain basis vector index indication corresponding to the spatial-domain basis vector, the first basis matrix is determined according to at least one of a second basis matrix and a first matrix, the second basis matrix is obtained according to N1-K1 rows of a first DFT matrix, and the first matrix is obtained according to the second matrix and / or a third matrix, each column vector of the second matrix includes one or more sets of phase compensation values, and each column vector of the third matrix includes one or more sets of amplitude compensation values. Based on the scheme, the orthogonal DFT basis matrix is corrected, so that the orthogonal DFT basis matrix is suitable for airspace compression of irregular antenna arrays with array irregularity, amplitude offset phenomenon and phase jump phenomenon, and correct communication between terminal equipment and network equipment is guaranteed.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to a communication method, device and system. Background technique [0002] At present, in order to increase the antenna oscillator density and antenna aperture, new antenna structures are proposed, such as Quadrifilar Helical Antenna (QHA) and the like. Each antenna unit of the new antenna structure can be equivalent to multiple sets of dual-polarized antennas on the antenna panel. Therefore, compared with the traditional dual-polarized antenna, the new antenna structure can increase the density of antenna elements, increase the number of equivalent antenna elements, etc. The effective antenna diameter increases. [0003] Based on the new antenna structure, how to correctly select and report the airspace basis vector for terminal equipment to ensure correct communication between terminal equipment and network equipment, there is still no corresponding so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06
CPCH04B7/0626H04B7/0634H04B7/06H04B7/0456
Inventor 蔡世杰刘鹍鹏
Owner HUAWEI TECH CO LTD
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