The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 14, 2017

Filed:

Jul. 16, 2015
Applicant:

Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;

Inventors:

Jose Luis Pradas, Stockholm, SE;

Gertie Alsenmyr, Vallentuna, SE;

Francisco Manzano, Stockholm, SE;

Janne Peisa, Espoo, FI;

Kai-Erik Sunell, Bromma, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/00 (2009.01); H04L 12/18 (2006.01); H04W 24/02 (2009.01); H04W 74/08 (2009.01);
U.S. Cl.
CPC ...
H04W 74/006 (2013.01); H04L 12/18 (2013.01); H04W 24/02 (2013.01); H04W 74/08 (2013.01);
Abstract

Embodiments herein relate to a method in a mobile terminal for requesting access to a wireless communication system. The mobile terminal receives broadcasted system information that indicates a first available resource of a contention based channel. The mobile terminal derives a second available resource of the contention based channel based on the first available resource of the contention based channel. The mobile terminal further transmits an access request preamble mapped to the second available resource to access the wireless communication system.


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