Dual-mode ultra wideband and wireless local area network...

Details Dual-mode ultra wideband and wireless local area network... Dual-mode ultra wideband and wireless local area network...

2006-05-16

2006-05-16

Fan, Chieh M. (Department: 2634)

Pulse or digital communications

Spread spectrum

C398S049000, C370S208000

Reexamination Certificate

active

07046716

ABSTRACT:
A dual-mode ultra wideband (UWB) and wireless local area network (WLAN) communication transceiver is used to implement two disparate systems of UWB and WLAN communications within a single device. During the UWB mode, the communication transceiver sends and receives the UWB signal at very-high data rate with a relative short transmission range. During the WLAN mode, the communication transceiver sends and receives the WLAN signal at a relative low data rate, but with a longer transmission range. Thereby, trade-off benefits of the dual-mode UWB and WLAN communication transceiver can be mutually utilized to achieve seamless wireless broadband communications between two different standards.

REFERENCES:
patent: 2002/0114035 (2002-08-01), Graves et al.
patent: 2002/0159502 (2002-10-01), Uesugi
Hansen, Ken; Wireless RF Design Challenges; 2003 IEEE Radio Frequence Integrated Circuits Symposium; pp. 3-7.
IEEE Std 802.11a, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, High-Speed Physical Layer in the 5 GHz Band, Piscataway, NJ, 1999.

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