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Method and network device for channel correction

A channel correction and network equipment technology, applied in the field of channel correction, can solve dynamic problems and affect the accuracy of correction, etc., to achieve the effect of solving dynamic problems and improving accuracy

Active Publication Date: 2018-12-18
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Although there will be no problem of coupling disks in the wireless calibration method, however, the wireless calibration method is used in a large-scale channel array system, because the increase in the size of the array element (channel) causes dynamic problems, which ultimately affects the accuracy of the calibration

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  • Method and network device for channel correction
  • Method and network device for channel correction
  • Method and network device for channel correction

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Embodiment Construction

[0078] The technical solution in this application will be described below with reference to the accompanying drawings.

[0079] The embodiments of the present application are applicable to various communication systems, therefore, the following description is not limited to a specific communication system. For example, the embodiments of the present application may be applied to global system of mobile communication (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access, WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) ), universal mobile telecommunications system (UMTS), wireless local area networks (wireless local area networks, WLAN), wireless fidelity (...

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Abstract

The present application provides a method and a network device for channel correction, The method comprises: obtaining a collection of at least two channels, The at least two channel sets are dividedby a plurality of channels to be calibrated, each channel set of the at least two channel sets comprising a reference channel and at least one channel to be calibrated, wherein a first channel set anda second pass set of the at least two channel sets have an intersection, the intersection comprising a common channel; determining a compensation value of each channel to be calibrated in each channel set; determining an inter-set compensation value between the first set of channels and the second set of channels; correcting the plurality of channels according to the compensation value between the sets and the compensation value of each channel to be calibrated within each channel set. Embodiments of the present application enable the frequency response of all channels to be consistent, improving the accuracy of correction.

Description

technical field [0001] The present application relates to the communication field, and more specifically, relates to a channel correction method and network equipment. Background technique [0002] In a multiple-input multiple-output (MIMO) system, in order to ensure the improvement of spectral efficiency brought by multi-antenna technology and to make full use of the high spatial resolution capability brought by large channel arrays, it is necessary to ensure that the network equipment side The consistency of the frequency response of the transceiver channel. Compared with the network equipment configured with 4 or 8 antennas in the existing long term evolution (LTE) system, the number of antennas of the network equipment in the large-scale channel array system has increased to several hundred or even more antennas. In order to make the large channel array under the effect of precoding, the beam width (including vertical and horizontal) synthesized in space for a certain t...

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Application Information

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IPC IPC(8): H04B17/30H04B7/0413
CPCH04B7/0413H04B17/30H04B17/12H04B17/14H04B17/21H04B7/0452
Inventor 宋科宇
Owner HUAWEI TECH CO LTD