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.
Patent No.:
Date of Patent:
Feb. 10, 2015
Filed:
Feb. 01, 2007
Rainer Bachl, Nuremberg, DE;
Fang-chen Cheng, Randolph, NJ (US);
Jung A. Lee, Pittstown, NJ (US);
Lei Song, Randolph, NJ (US);
Said Tatesh, Swindon, GB;
Rainer Bachl, Nuremberg, DE;
Fang-Chen Cheng, Randolph, NJ (US);
Jung A. Lee, Pittstown, NJ (US);
Lei Song, Randolph, NJ (US);
Said Tatesh, Swindon, GB;
Alcatel Lucent, Boulogne-Billancourt, FR;
Abstract
The present invention provides a method and apparatus for using uplink reference signals for access grant requests. The method includes determining that at least one mobile unit is requesting access to at least one uplink channel based on information indicative of a change in a masking sequence applied to at least one reference signal. Another embodiment of the present invention includes providing a first reference signal modulated by a first masking sequence to indicate a request for access to at least one uplink channel.