Telecommunications – Receiver or analog modulated signal frequency converter – Frequency or phase modulation
Reexamination Certificate
2010-01-25
2011-11-08
Ferguson, Keith T (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency or phase modulation
C455S216000, C455S550100, C455S553100, C455S426100, C455S500000, C370S310000, C370S343000, C370S328000, C370S270000
Reexamination Certificate
active
08055224
ABSTRACT:
A wireless receiver that includes a reception unit which, in the case in which the frequency bandwidth of the chunk is Fc, receives a) data to which phase rotation for controlling the maximum delay time between the plurality of transmission antennas is added so that the maximum delay time is set to either a predetermined first value which is smaller than 1/Fc or a predetermined second value which is larger than 1/Fc depending on whether transmission is performed using frequency diversity or transmission is performed using multi-user diversity and b) pilot channels corresponding to the plurality of transmission antennas which are orthogonal to each other; and a demodulating unit which demodulates the data based on transfer functions calculated using the pilot channels.
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Birch & Stewart Kolasch & Birch, LLP
Ferguson Keith T
Sharp Kabushiki Kaisha
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