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Technique for performing a random access procedure over a radio interface

A random access process and radio interface technology, applied in radio/inductive link selection arrangement, wireless communication, electrical components, etc., can solve problems such as delay in access process

Inactive Publication Date: 2008-10-22
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically, a power ramping procedure is performed, which causes a delay in the access procedure
As an additional disadvantage, the radio base station needs to continuously search for access bursts in all supported bandwidths and in all time slots

Method used

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  • Technique for performing a random access procedure over a radio interface
  • Technique for performing a random access procedure over a radio interface
  • Technique for performing a random access procedure over a radio interface

Examples

Experimental program
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Embodiment Construction

[0048] Detailed description of the preferred embodiment

[0049] In the following description, for purposes of explanation and not limitation, specific details are set forth (eg, particular network types including particular network nodes, communication protocols, etc.) in order to provide a thorough understanding of the present invention. It will be apparent to those skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. For example, those skilled in the art will appreciate that the invention may be practiced using wireless networks other than the mobile networks discussed below for purposes of illustrating the invention. Rather, the invention can be implemented using any wireless network in which the random access procedure is performed via a radio interface. For example, this may include HIPERLAN (HIPERLAN is a standard for wireless local area networks).

[0050] Those skilled in the art will further ap...

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PUM

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Abstract

The invention relates to a technique of performing a random access procedure over a radio interface (106) in a mobile terminal (102). A method embodiment of the random access procedure as performed in the mobile terminal comprises the steps of selecting an access time slot for transmission of an access burst (112) over the radio interface; and setting an access bandwidth for transmission of the access burst, wherein the access bandwidth is set smaller than an available transmission bandwidth associated with the radio interface.

Description

field of invention [0001] The present invention relates generally to communication interfaces of wireless networks, and more particularly to air interfaces of mobile networks. More particularly, the present invention relates to a technique for performing a random access procedure through a radio interface. Background of the invention [0002] Today, not only mobile phones but also other mobile terminals such as PDAs (Personal Digital Assistants), notebook computers etc. exchange data with wireless networks via radio interfaces. Typically, the radio base stations of the network serve mobile terminals by routing data received from the terminal to recipients via the network and by transmitting data received from the network side to the mobile terminal via a radio interface. [0003] The data may be user data such as voice data, media data, streaming data, application data, etc., but may also include control data (signaling data) associated with, for example, the establishment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W74/08
CPCH04W74/0891H04W74/0833
Inventor R·巴尔德梅尔M·埃德弗德森E·达尔曼J·C·哈尔特森S·帕克瓦尔
Owner TELEFON AB LM ERICSSON (PUBL)