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:
Jul. 01, 2014
Filed:
Aug. 19, 2010
Rapeepat Ratasuk, Hoffman Estates, IL (US);
Igor Filipovich, Chicago, IL (US);
Rangsan Leelahakriengkrai, Streamwood, IL (US);
Ivan N. Vukovic, Arlington Heights, IL (US);
Rapeepat Ratasuk, Hoffman Estates, IL (US);
Igor Filipovich, Chicago, IL (US);
Rangsan Leelahakriengkrai, Streamwood, IL (US);
Ivan N. Vukovic, Arlington Heights, IL (US);
Motorola Mobility LLC, Chicago, IL (US);
Abstract
A user equipment and method for contention-based uplink access to a base station. Contention-based configuration data identifies multiple contention-based access zones along with minimum power headroom values for each contention-based access zone. The user equipment devices can randomly select a demodulation reference signal parameter value when transmitting on a selected contention-based access zone.