Decoder device for decoding packet signals composed of...

Details Decoder device for decoding packet signals composed of... Decoder device for decoding packet signals composed of...

2005-09-20

2005-09-20

Le, Amanda (Department: 2634)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C704S500000, C342S387000

Reexamination Certificate

active

06947501

ABSTRACT:
A packet signal, formed according to an orthogonal frequency division multiplexing (OFDM) format, received by a receiver is decoded in a decoder device of the receiver. The packet signal includes a data code and a control code having a formula for decoding the data code. The control code is first decoded and analyzed to obtain the decoding formula contained therein. The data code is decoded during a period in which the control code is being analyzed, based on plural decoding formulae one of which coincides with the decoding formula contained in the control code. Data signals decoded based on the respective decoding formulae are sent to an output selector together with the decoding formula obtained from the control code. The output selector selects a data signal which is decoded based on a decoding formula that coincides with the decoding formula obtained from the control code.

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IEEE Standard 802.11a-1999, pp. 35-37.
Notice of Rejection dated May 18, 2004 in Japanese Application No. 2000-158442.

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