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:
Nov. 04, 2014

Filed:

Feb. 12, 2010
Applicants:

Hao Liu, Shanghai, CN;

Dong LI, Shanghai, CN;

Yang Song, Shanghai, CN;

Inventors:

Hao Liu, Shanghai, CN;

Dong Li, Shanghai, CN;

Yang Song, Shanghai, CN;

Assignee:

Alcatel Lucent, Boulogne-Billancourt, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04B 7/04 (2006.01); H04B 7/02 (2006.01);
U.S. Cl.
CPC ...
H04B 7/024 (2013.01); H04B 7/0452 (2013.01); H04B 7/0417 (2013.01);
Abstract

The present invention proposes a method for multi-site multi-user joint transmission, the method comprising: measuring, by a user terminal, a downlink channel originated from each base station; according to the measurement for the downlink channel, quantizing and obtaining, by the user terminal, per-site channel information for the each base station and additional inter-site channel information, the additional inter-site channel information being used for calculating joint channel information of multiple base stations; and feeding back, by the user terminal, the per-site channel information for the each base station and the additional inter-site channel information so that the base station performs scheduling to execute the multi-site multi-user joint transmission.


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