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Uplink coverage improvement method and device, storage medium and terminal equipment

A storage medium and transmission unit technology, applied in electrical components, wireless communication, etc., can solve problems such as poor uplink coverage performance, achieve the effect of reducing the number of subcarriers in the frequency domain and improving uplink coverage performance

Pending Publication Date: 2021-05-14
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Using a 2.5ms double-period TDD frame structure, its uplink coverage performance is 5.2dB worse than FDD

Method used

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  • Uplink coverage improvement method and device, storage medium and terminal equipment
  • Uplink coverage improvement method and device, storage medium and terminal equipment
  • Uplink coverage improvement method and device, storage medium and terminal equipment

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way intended as any limitation of the disclosure, its application or uses. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0037] Relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

[0038] At the same time, it should be unders...

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Abstract

The invention relates to an uplink coverage improvement method and device, a storage medium and terminal equipment. The uplink coverage improvement method comprises: configuring an uplink basic transmission unit, the number of frequency domain subcarriers of the uplink basic transmission unit being less than 12; and performing uplink data transmission according to the uplink basic transmission unit. According to the invention, by defining the new uplink basic transmission unit, the number of frequency domain subcarriers is reduced, so that the uplink coverage performance is improved.

Description

technical field [0001] The present disclosure relates to the field of wireless communication, and in particular to a method and device for improving uplink coverage, a storage medium, and a terminal device. Background technique [0002] Telecom operators will use 1.8GHz LTE (Long Term Evolution, long-term evolution of universal mobile communication technology) FDD (Frequency Division Duplexing, frequency division duplexing) system for 4G, and 5G will use 3.5GHz NR (New Radio, new air interface) TDD ( Time Division Duplexing, time division duplex) system. The path loss of 3.5GHz frequency is 7-9dB higher than that of 1.8GHz frequency on average. Using the TDD frame structure of 2.5ms double period, its uplink coverage performance is 5.2dB worse than that of FDD. Theoretical analysis and field tests show that 3.5GHz NR has better performance than 1.8GHz LTE in outdoor scenarios. Contents of the invention [0003] The inventor found through research that: in indoor scenari...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/044H04W72/1268
Inventor 朱剑驰张萌郭婧李南希佘小明陈鹏
Owner CHINA TELECOM CORP LTD
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