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. 21, 2015
Filed:
Feb. 11, 2010
Yang HU, Beijing, CN;
Jiansong Gan, Beijing, CN;
Abdulrauf Hafeez, Cary, NC (US);
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
Method and arrangement in a first base station for calculating a first location parameter α of a user equipment in order to improve beamforming accuracy. The first base station and the user equipment are comprised in a Coordinated Multiple Point 'CoMP' communication system together with a second base station. The method comprises measuring a signal received from the user equipment, estimating a first parameter value α' based on the measured signal, obtaining a second parameter value α″, based on an estimated second location parameter β of the user equipment, estimated at the second base station and calculating the first location parameter α, based on the first estimated parameter value α′ and the obtained second parameter value α″.