Ultra-wideband communications system devices

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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Details

C375S137000, C375S147000, C375S316000, C375S324000, C375S349000, C341S122000

Reexamination Certificate

active

07440491

ABSTRACT:
System for ultra-wideband communications providing high data rates over an extended operating range in the presence of interferers. A preferred embodiment comprises an ultra-wideband (UWB) device that makes use of a portion of the UWB frequency range to help provide good performance in the presence of interferers. Additionally, since only a portion of the UWB frequency range is used, multiple devices can simultaneously transmit and receive by using different portions of the UWB frequency range.

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FCC, “First Report and Order, In the matter of Revision on Part 15 of the Commuission's Rules Regarding Ultra-Wideband Transmission Systems,” Adopted Feb. 14, 2002, Washington, D.C., US.
Kohno, R., et al., “Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)”, doc.; IEEE 802.15-03/097r1, IEEE P802.15 Alternative PHY Call For Proposals, IEEE P802.15-02/327r7, Japan, Mar. 2003.

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