Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-02-15
2011-02-15
Kincaid, Lester (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S444000, C455S552100, C370S319000, C370S321000
Reexamination Certificate
active
07890113
ABSTRACT:
A method, NodeB (320) and User Equipment (330) 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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Cheung Joseph Chung Shing
Jones Alan Edward
Jones William John
Khan Mehmood B
Kincaid Lester
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Corporation
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