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Random access method and user equipment

A random access and user equipment technology, applied in electrical components, wireless communication, etc., can solve the problems affecting the access process delay and time consumption, and achieve the effect of improving efficiency

Active Publication Date: 2017-01-25
HONOR DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a power ramp-up process may be time-consuming, which affects the delay of the access process

Method used

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  • Random access method and user equipment
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  • Random access method and user equipment

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Embodiment Construction

[0040] 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.

[0041] The technical scheme of the present invention can be applied to various communication systems, such as: Global System for Mobile Communications (GSM, Global System of Mobile communication), Code Division Multiple Access (CDMA, Code Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA , Wideband Code Division Multiple Access Wireless), General Packet Radio Service (GPRS, General Packet Radio Service), Long Term Evolution...

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Abstract

An embodiment of the invention provides a random access method and user equipment. The random access method comprises the steps of determining main CPICH transmitting power and determining ascending interference; measuring CPICH signal code receiving power; determining a power regulating value according to transmitting speed of a random access message; determining the transmitting power of the random access message according to the main CPICH transmitting power, the ascending interference, the CPICH signal code receiving power and the power regulating value; executing a random access process according to the transmitting power of the random access message. According to the embodiment of the random access method and the user equipment, the power regulating value is determined according to the transmitting speed of the random access message, the power regulating value is considered when the transmitting power of the random access message is determined, therefore, the situation that the random access message can be received by a base station can be guaranteed to the greatest extent, and efficiency of random access is improved.

Description

technical field [0001] The embodiments of the present invention relate to the field of wireless communication, and more specifically, to a random access method and user equipment. Background technique [0002] The 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) defines a random access process, and sends a random access message through a process of ramping up initial power and preamble (PREAMBLE) attempts. [0003] Specifically, the user equipment (UE, User Equipment) according to the system information provided by the base station and the received signal code power (RSCP, Received Signal Code Power) of the primary common pilot channel (Primary CPICH, Primary Common Pilot Channel) measured by the UE itself, Determine the initial power (Preamble_Initial_Power) of the preamble, and transmit a random access message according to the initial power to perform random access. When the random access fails this time (for example, the base station cannot r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
Inventor 张家佶
Owner HONOR DEVICE CO LTD