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:
Feb. 24, 2015

Filed:

Aug. 12, 2011
Applicants:

Shiwei Gao, Nepean, CA;

Hua Xu, Ottawa, CA;

Dongsheng Yu, Nepean, CA;

Yongkang Jia, Ottawa, JP;

Masoud Ebrahimi Tazeh Mahalleh, Ottawa, CA;

Tarik Tabet, Kanata, CA;

Youn Hyoung Heo, Suwon, KR;

Zhijun Cai, Euless, TX (US);

Inventors:

Shiwei Gao, Nepean, CA;

Hua Xu, Ottawa, CA;

Dongsheng Yu, Nepean, CA;

Yongkang Jia, Ottawa, JP;

Masoud Ebrahimi Tazeh Mahalleh, Ottawa, CA;

Tarik Tabet, Kanata, CA;

Youn Hyoung Heo, Suwon, KR;

Zhijun Cai, Euless, TX (US);

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); H04W 52/24 (2009.01); H04W 74/00 (2009.01); H04W 48/20 (2009.01); H04W 52/14 (2009.01); H04W 84/04 (2009.01); H04W 52/50 (2009.01);
U.S. Cl.
CPC ...
H04W 52/244 (2013.01); H04W 74/004 (2013.01); H04W 48/20 (2013.01); H04W 52/146 (2013.01); H04W 84/045 (2013.01); H04W 52/242 (2013.01); H04W 52/50 (2013.01); Y02B 60/50 (2013.01);
Abstract

A method and system for access and uplink power control for a wireless system having multiple transmit points. In one aspect, a method at a user equipment operating in a wireless network having a plurality of transmission points including a macro evolved Node B ('eNB') and at least one low power node ('LPN') having transmit power lower than that of the macro eNB, the method finding, at the user equipment, at least one reference transmission point, the finding utilizing at least one of a calculation at the user equipment and a message from a network element; and performing, by the user equipment, uplink power control based on the at least one reference transmission.


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