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A kind of phase compensation method and electronic equipment

A technology of phase compensation and target phase, which is applied in the field of communication, can solve problems such as poor compensation effect, and achieve the effect of improving compensation effect

Active Publication Date: 2022-04-01
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0004] Embodiments of the present invention provide a phase compensation method and electronic equipment to solve the problem of poor compensation effect in the prior art

Method used

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  • A kind of phase compensation method and electronic equipment
  • A kind of phase compensation method and electronic equipment
  • A kind of phase compensation method and electronic equipment

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Embodiment Construction

[0078] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0079] refer to figure 1 , in one embodiment, a phase compensation method is provided, which can be applied to terminals or network side equipment, etc., the method includes:

[0080] Step 101: Receive a first signal, where the first signal includes N OFDM symbols and pilot symbols respectively corresponding to the N OFDM symbols.

[0081] Wherein, N is an integer greater than 1. The first signal can be understood as a time-domain signal and is discr...

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Abstract

The invention relates to the field of communication technology, and provides a phase compensation method and electronic equipment to solve the problem of poor compensation effect. The method includes receiving a first signal, where the first signal includes N OFDM symbols and pilot symbols respectively corresponding to the N OFDM symbols; performing fast Fourier transform on the first signal to obtain a second signal, The second signal includes N OFDM signals corresponding to the N OFDM symbols and pilot signals corresponding to the N OFDM signals respectively; based on the pilot signals corresponding to the N OFDM signals respectively, determining the common phase errors corresponding to the N OFDM signals respectively; Determine S target phase noise values ​​according to the common phase errors corresponding to the N OFDM signals respectively, and perform phase compensation on the first signal according to the S target phase noise values ​​to obtain a target signal, so as to improve the compensation effect.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a phase compensation method and electronic equipment. Background technique [0002] Phase noise is a kind of multiplicative noise introduced by the non-ideality of frequency devices in communication systems. The intensity of phase noise increases with the increase of carrier frequency. In a wireless system that uses a high-frequency carrier for transmission, the influence of phase noise cannot be ignored. Phase noise has an impact on system performance. To improve system performance, phase noise compensation can be performed on the signal. [0003] OFDM (Orthogonal Frequency Division Multiplexing) waveform is a waveform widely used in practical communication systems, and compensation for phase noise is usually estimated and compensated based on pilot signals. However, in the above compensation scheme, the signal is transformed after receiving the signal, and then CPE (Com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26H04L25/02
CPCH04L27/2657H04L27/2647H04L25/0224
Inventor 杨国翔石璟郑未
Owner DATANG MOBILE COMM EQUIP CO LTD
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