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:
Apr. 28, 2015

Filed:

Mar. 12, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Yonghua Lin, Beijing, CN;

Rong Yan, Beijing, CN;

Hai Zhan, Beijing, CN;

Chao Zhu, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/06 (2006.01); H04W 88/10 (2009.01); H04W 56/00 (2009.01);
U.S. Cl.
CPC ...
H04W 88/10 (2013.01); H04W 56/0005 (2013.01);
Abstract

An adapter, base band processing unit and a base station system. The adapter includes a frame obtaining logic unit configured to obtain an uplink data frame based on a received radio frame. A frame synchronizing logic unit configured to manage a frame tag of the uplink data frame. A time feedback logic unit configured to feedback to the base band processing unit an arrival time of a downlink data frame that is received from the base band processing unit. The base band processing unit includes a time synchronizing module configured to determine generation time of a current downlink data frame based on at least an arrival time of a previous downlink data frame that was a previous feed back from the adapter. A frame synchronizing module configured to manage a frame tag of the generated current downlink data frame.


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