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:
Jan. 06, 2015

Filed:

Oct. 01, 2013
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

William John Jones, Chippenham, GB;

Joseph Chung Shing Cheung, Santa Clara, CA (US);

Alan Edward Jones, Wiltshire, GB;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 40/00 (2009.01); H04L 5/14 (2006.01); H04B 7/26 (2006.01); H04W 16/04 (2009.01); H04J 4/00 (2006.01); H04W 16/06 (2009.01);
U.S. Cl.
CPC ...
H04J 4/00 (2013.01); H04L 5/1438 (2013.01); H04B 7/2643 (2013.01); H04W 16/04 (2013.01); H04W 16/06 (2013.01);
Abstract

A method, NodeB and User Equipment for TDD operation in a communication system operating in TDD mode in a frequency band allocated for FDD operation. Preferably, operation is in TDD uplink and downlink mode in a first frequency band designated or normally used for FDD uplink communication, and in TDD downlink-only mode in a second frequency band designated or normally used for FDD downlink communication. The invention provides the following advantages: Provides a flexible method to deploy a time division duplex architecture in frequency division duplex spectrum. Allows flexible use of system capacity by adjusting the uplink and downlink capacity split. Removes previous FDD duplex restrictions.


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