A link adaptive adjustment method, device and computer-readable storage medium
A technology of link self-adaptation and adjustment method, which is applied in the field of base station and core network side equipment and link self-adaptive adjustment, which can solve the problems that the effect of link self-adaptive adjustment cannot be guaranteed and the matching degree is low, so as to ensure the link The effect of adaptive adjustment effect
Active Publication Date: 2020-11-06
CHINA MOBILE COMM LTD RES INST +1
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Problems solved by technology
[0005] Embodiments of the present invention provide a link adaptive adjustment method, base station, and core network side equipment to solve the problem that in the prior art, the MCS determined by the base station according to the CQI obtained by mapping has a low matching degree with the actual link, which causes the link The problem that the road adaptive adjustment effect cannot be guaranteed
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[0037] 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.
[0038] In order to solve the problems existing in the prior art, embodiments of the present invention provide a link adaptive adjustment method, a base station, a core network side device, and a computer-readable storage medium.
[0039] The link adaptive adjustment method provided by the embodiment of the present invention from the perspective of the base station will first be described below.
[0040] see figure 1 , which shows a flow chart of the l...
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The invention provides a link self-adaptive adjustment method, a base station and core network side equipment. The method is applied to a base station and comprises the steps of obtaining input data;wherein the input data comprises current carrier channel intensity distribution information, channel error information, channel quality indicator (CQI), a user multiple-input multiple-output (MIMO) transmission mode and the current number of MIMO service users of the base station of the target user terminal (UE); obtaining a target output data set output by the link adaptive decision model according to the input data and the link adaptive decision model; determining a target modulation and coding strategy MCS according to the target output data set; and performing adaptive adjustment on a linkbetween the base station and the target UE according to the target MCS. Compared with the prior art, the embodiment of the invention can better ensure the link self-adaptive adjustment effect.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a link self-adaptive adjustment method, base station and core network side equipment. Background technique [0002] Due to the effects of propagation loss, fast fading, slow fading, and interference changes, wireless channels have time-varying characteristics. In order to maximize system performance, adaptive modulation and coding (AMC) is often used as a link adaptation technology to adapt to the impact of wireless channel changes. [0003] Specifically, when AMC is adopted, a user terminal (User Equipment, UE) first measures downlink channel quality by detecting a downlink common reference signal, and calculates a corresponding signal to interference ratio (Signal to Interference and Noise, SINR). Next, the UE maps the calculated SINR to a specific channel quality indicator (Channel quality indicator, CQI) through a certain method, and feeds back the map...
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IPC IPC(8): H04B7/0413H04B7/06H04L1/00H04B17/391
CPCH04B7/0413H04B7/0632H04B17/3912H04L1/0003H04L1/0009
Inventor 孙奇张思明韩双锋
Owner CHINA MOBILE COMM LTD RES INST