Method and apparatus for gated ACK/NAK channel in a...

Details Method and apparatus for gated ACK/NAK channel in a... Method and apparatus for gated ACK/NAK channel in a...

2006-05-09

2006-05-09

Ngo, Ricky (Department: 2663)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S394000

Reexamination Certificate

active

07042869

ABSTRACT:
A method and apparatus are disclosed for transmitting ACK/NAK information in a communication system including a transmitter (74) for transmitting ACK/NAK information on an ACK/NAK channel, and a channel gate (699) for gating the ACK/NAK channel based on whether a matching preamble is detected in a received data unit by receiver (106). The data unit is a first data unit in a series of data units comprising a data packet. The channel gate (699) prevents transmission of the ACK/NAK channel when receiver (106) has failed to receive the matching preamble in the data unit.

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