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A control method for full-duplex transmission, user equipment, and base station

A technology of user equipment and control method, applied in the field of communication, can solve the problems of undetectable downlink data and low system gain, etc.

Active Publication Date: 2020-08-07
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the power control of the uplink channel of the nth subframe cannot be set correctly, because inaccurate power control will lead to strong self-interference, which is difficult to cancel, making the downlink data undetectable, so the existing The full-duplex transmission realized in the LTE system in the technology has the problem of very low system gain

Method used

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  • A control method for full-duplex transmission, user equipment, and base station
  • A control method for full-duplex transmission, user equipment, and base station
  • A control method for full-duplex transmission, user equipment, and base station

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Embodiment Construction

[0116] The embodiment of the present invention provides a full-duplex transmission control method, user equipment, and base station, which are suitable for realizing full-duplex transmission in LTE systems and WiFi systems, and can realize power control of uplink channels during full-duplex transmission. , Improve the system gain of full duplex transmission.

[0117] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art fall within the protection scope of the present inven...

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Abstract

A full-duplex transmission control method, user equipment and base station. Wherein, a full-duplex transmission control method includes: the user equipment obtains a first time resource unit; if the first time resource unit is obtained from the first time resource unit and includes scheduling authorization information indicating full-duplex transmission, the user equipment according to The power offset obtained by the user equipment corrects the first uplink transmission power used for half-duplex transmission to obtain the second uplink transmission power used for the full-duplex transmission; the user equipment according to the first uplink transmission power Two uplink transmission power to transmit an uplink signal on the first time resource unit or the second time resource unit, where the second time resource unit is a time resource unit after the first time resource unit in time.

Description

Technical field [0001] The embodiments of the present invention relate to the field of communications, and in particular to a method for controlling full-duplex transmission, user equipment, and a base station. Background technique [0002] Half-duplex transmission can only carry out one-way signal transmission, while full-duplex transmission can carry out two-way signal transmission at the same time. Therefore, the signal transmission efficiency of full-duplex transmission is very high. From the perspective of the physical layer, full-duplex transmission phase Compared with half-duplex transmission, the system throughput is doubled, and full-duplex transmission also has a revolutionary impact on the design of media access control (English full name: Media AccessControl, English abbreviation: MAC), thus enabling future wireless communication systems Get higher throughput. [0003] In current wireless communication systems such as wireless fidelity (English name: Wireless Fidelity,...

Claims

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Application Information

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IPC IPC(8): H04L5/16H04W52/04
CPCH04W52/04H04L5/0044H04L5/1423H04W52/0216H04W52/0229Y02D30/70H04L1/0005H04L5/16H04W52/146H04W72/21H04W72/23
Inventor 张莉莉
Owner HUAWEI TECH CO LTD
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