Methods and apparatuses for performing random access in a telecommunications system

US9137828B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9137828-B2
Application numberUS-201314107604-A
CountryUS
Kind codeB2
Filing dateDec 16, 2013
Priority dateJun 19, 2008
Publication dateSep 15, 2015
Grant dateSep 15, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A method of enabling a user equipment to perform a contention based random access, includes maintaining a set of non-dedicated random access preambles for contention-free random access and a set dedicated random access preambles for contention-based random access. The method also includes determining a random access preamble identifier and transmitting a message to the user equipment containing the determined random access preamble identifier. Additionally, the method includes receiving from the user equipment a non-dedicated random access preamble that is selected by the user equipment based on the random access preamble identifier comprised in the transmitted message.

First claim

Opening claim text (preview).

What is claimed is: 1. A method of enabling a user equipment to perform random access in a telecommunications system comprising a radio base station to which are assigned a first set of non-dedicated random access preambles and a second set of dedicated random access preambles, the method comprising: receiving, from a radio base station, a message containing a random access preamble identifier; determining whether the random access preamble identifier received in the message com…

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What does patent US9137828B2 cover?
A method of enabling a user equipment to perform a contention based random access, includes maintaining a set of non-dedicated random access preambles for contention-free random access and a set dedicated random access preambles for contention-based random access. The method also includes determining a random access preamble identifier and transmitting a message to the user equipment containing…
Who is the assignee on this patent?
Ericsson Telefon Ab L M, Ericsson Telefon Ab L M
What technology area does this patent fall under?
Primary CPC classification H04W74/0833. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Sep 15 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).