Telecommunications – Transmitter and receiver at same station – With frequency stabilization
Reexamination Certificate
2011-08-09
2011-08-09
Lu, Zhiyu (Department: 2618)
Telecommunications
Transmitter and receiver at same station
With frequency stabilization
C455S041100, C455S041200
Reexamination Certificate
active
07995971
ABSTRACT:
Methods and systems for clocking FM transmit, FM receive and near field communication functions using DDFS are disclosed. Aspects of one method may include generating a Bluetooth signal that may comprise, for example, I and Q components, or Bluetooth local oscillator (LO) signals, for use in Bluetooth communication. One of the two Bluetooth LO signals may then be used by a DDFS to generate I and Q LO signals for FM reception and/or transmission. One of the I and Q LO signals for FM communication may be used by another DDFS to generate at least one LO signal for near field communication (NFC) transmission and/or reception. While the Bluetooth LO signal may vary in frequency as Bluetooth frequency hopping occurs, the FM LO signals may remain constant for a specific channel frequency. Similarly, while the FM LO signals may be changed to tune to different FM channels, the NFC LO signals may remain at a constant frequency.
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Rofougaran Ahmadreza
Rofougaran Maryam
Broadcom Corporation
Lu Zhiyu
McAndrews Held & Malloy Ltd.
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