Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2005-12-06
2005-12-06
Chin, Wellington (Department: 2664)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S389000, C370S392000
Reexamination Certificate
active
06973071
ABSTRACT:
The present invention is a novel method and apparatus for controlling packet data flow in Bluetooth devices. The present Bluetooth flow control method and apparatus reduces data buffer overflow conditions using an inventive flow control technique comprising a dual flow control step and a payload header flow control step. In the dual flow control step, the present inventive method initially enables (i.e., transmits to a transmitting device) both packet header flow control and payload header flow control. In one embodiment, the Bluetooth flow control technique utilizes non-acknowledgment of “nack” commands to enable packet header flow control. In another embodiment, the Bluetooth flow control technique utilizes a packet header flow control bit to enable packet header flow control. In the payload header flow control step, the method determines whether payload header flow control information has been successfully received and, if so, it disables packet header flow control.
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Chin Wellington
Fox Jamal A.
RFMD WPAN, Inc.
Withrow & Terranova , PLLC
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