4. Pulse or digital communications
  5. Spread spectrum
  6. Direct sequence

John E. Hoffmann

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Access channel structure for wireless communication system

Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate

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Access probe acknowledgment including collision detection to...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate

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Antenna steering and hidden node recognition for an access...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Antenna steering for an access point based upon control frames

Multiplex communications – Diagnostic testing – Determination of communication parameters
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Antenna steering for an access point based upon probe signals

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2112278

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