Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-20
2005-09-20
Trost, William (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S447000, C455S453000, C455S455000, C455S464000, C370S208000
Reexamination Certificate
active
06947748
ABSTRACT:
A method and apparatus for subcarrier selection for systems is described. In one embodiment, the system employs orthogonal frequency division multiple access (OFDMA). In one embodiment, a method for subcarrier selection comprises each of multiple subscribers measuring channel and interference information for subcarriers based on pilot symbols received from a base station, at least one of subscribers selecting a set of candidate subcarriers, providing feedback information on the set of candidate subcarriers to the base station, and the one subscriber receiving an indication of subcarriers of the set of subcarriers selected by the base station for use by the one subscriber.
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Li Kemin
Li Xiaodong
Liu Hui
Zhang Wenzhong
Adaptix, Inc.
Fulbright & Jaworski LLP
Trost William
Zewdu Meless
LandOfFree
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