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A method for uplink access, user equipment and base station

A technology of user equipment and base station, which is applied in the field of communication to achieve the effects of controlling system overhead, improving performance, and ensuring accuracy

Active Publication Date: 2020-12-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above prior art only considers the initial random access process in the high-frequency communication system, but does not consider it in combination with the subsequent beam training process

Method used

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  • A method for uplink access, user equipment and base station
  • A method for uplink access, user equipment and base station
  • A method for uplink access, user equipment and base station

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Embodiment Construction

[0090] The present application provides an uplink access method, user equipment and a base station, which control system overhead and ensure the accuracy of beam training, thereby improving the performance of a high-frequency communication system.

[0091] In order to enable those skilled in the art to better understand the present invention, the technical solution in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiment is only a part of the present invention Examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0092] The terms "first", "second" and the like (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar ...

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Abstract

The application discloses an uplink access method, a base station and user equipment. The method of the present application includes: during the initial random access process of the user equipment to the high-frequency base station, the high-frequency base station allocates a non-competition sequence for the user equipment, and sends the non-competition sequence to the user equipment through a first random access response message; After the user equipment completes the initial random access to the high-frequency base station, during the periodic beam training process, the high-frequency base station detects the non-contention sequence sent by the user equipment on each receiving wide beam of the high-frequency base station, and determines the high-frequency base station The wide beam is best received and the narrow beam is optimally transmitted by the user equipment, and the high-frequency base station sends the second random access response message to the user equipment. The application controls the system overhead and ensures the accuracy of beam training, thereby improving the performance of the high-frequency communication system.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to an uplink access method, user equipment and a base station. Background technique [0002] With the continuous improvement of data transmission rate and communication quality requirements for mobile communications, the existing frequency bands for mobile communications have become very crowded. However, in the millimeter wave frequency band of 6-300GHz, there are still a large number of spectrum resources that have not been allocated for use. Introducing the millimeter wave frequency band into cellular access communications and making full use of the large bandwidth resources of the millimeter wave frequency band is one of the important research directions for the next generation of 5G (5-Generation) mobile communication technology. [0003] In the existing research, the high-frequency band represented by the millimeter-wave frequency band is mainly used in ind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/28H04W74/08H04W72/04
CPCH04W16/28H04W72/21H04W74/0838H04W74/04H04B7/0695H04B7/088H04W72/04H04W74/08H04W72/0446H04W74/0833
Inventor 黄磊王艺
Owner HUAWEI TECH CO LTD
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