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:
Jun. 20, 2017

Filed:

Apr. 09, 2014
Applicant:

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

Inventors:

Elmar Trojer, Taby, SE;

Miguel Berg, Upplands Vasby, SE;

Per-Erik Eriksson, Stockholm, SE;

Fredrik Gunnarsson, Linkoping, SE;

Chenguang Lu, Sollentuna, SE;

Jacob Osterling, Jarfalla, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/02 (2009.01); H04W 64/00 (2009.01); H04W 88/08 (2009.01);
U.S. Cl.
CPC ...
H04W 4/027 (2013.01); H04W 64/00 (2013.01); H04W 88/085 (2013.01);
Abstract

It is presented a method for assisting the determining of a position of a wireless device, the method being performed in a network node connected to a plurality of remote radio head devices via a combiner. The method comprises the steps of: receiving an uplink signal via the combiner; comparing a carrier frequency of the uplink signal with a set of manipulation schemes for a carrier frequency of uplink signals, wherein the manipulation schemes are different for at least some of the plurality of remote radio head devices; and providing a proximity indication that the position of the wireless device is in the vicinity of a remote radio head device the frequency manipulation scheme of which best matches the uplink signal. A corresponding network node, computer program, and computer program product are also presented.


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