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Random access method and user equipment

A user equipment, random access technology, applied in the field of communication, can solve the problems of random access failure, reduce the reliability of random access, etc., and achieve the effect of improving reliability

Inactive Publication Date: 2013-03-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, if the ASC simultaneously initiates random access for multiple user equipments with the highest priority, random access will fail, thereby reducing the reliability of random access

Method used

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Embodiment Construction

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0018] figure 1 It is a schematic flowchart of a random access method provided by an embodiment of the present invention, as shown in figure 1 As shown, the random access method in this embodiment may include:

[0019] 101. The user equipment obtains the persistent level (persistent level) broadcast by the base station;

[0020] 102. If the ASC...

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Abstract

An embodiment of the invention provides a random access method and user equipment. The random access method includes that the user equipment acquires a persistent level broadcast by a base station; the user equipment acquires a persistent value according to the persistent level and generates a random value between 0 and 1 if an access service class of the user equipment is the highest class, and the persistent value is larger than a persistent value which is acquired by the user equipment according to the persistent level when the access service class of the user equipment is not the highest class; and the user initiates random access to the base station if the generated random value is smaller than the obtained persistent value.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a random access method and user equipment. Background technique [0002] In a communication system, before initiating a communication service, a user equipment needs to obtain a dedicated radio resource allocated by a network by initiating a random access. The channel used by the user equipment to initiate random access (that is, the random access channel) is a shared channel. If more than one user equipment initiates random access through this channel, random access conflicts will occur, resulting in random access failure. . In order to reduce the probability of user equipment random access process conflicts, before the user equipment initiates random access, if the access service class (Access Service Class, ASC) of the user equipment is not the highest priority (for example: ASC=1, 2 , 3, 4, 5, 6 or 7, etc.), the user equipment can first generate a rand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
Inventor 刘珺
Owner HUAWEI TECH CO LTD
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