Interactive wireless communication device

Details Interactive wireless communication device Interactive wireless communication device

2006-11-13

2011-10-11

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Transceivers

C375S141000, C375S150000, C455S063100

Reexamination Certificate

active

08036259

ABSTRACT:
A first communication apparatus sequentially generates a pulse sequence having pulse signals arranged based on the UWB communication system, performs a framing process to form a frame having at least a preamble and a data portion on the generated pulse sequence and inserts a preamble segment including a sequence of steady pulse signals in the data portion at a predetermined time interval, and transmits it as a radio wave. A second communication apparatus receives a pulse sequence as a radio wave transmitted from the first communication apparatus, and detects at least the preamble segment from the frame contained in the received pulse sequence through a detection window structured to have a predetermined time length, whereby a transmission timing for the pulse sequence to the first communication apparatus2controlled according to a state of detection of the preamble segment.

REFERENCES:
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IEEE Standards 802.15.4-2003, IEEE Standard for InformationTechnology—Telecommunications and Information Exchange between Systems—Local and Metropolitan Area Networks-Specific Requirements; Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANs), pp. 1-669, Oct. 1, 2003.
Merz, R., et al., “A Joint PHY/MAC Architecture for Low-Radiated Power TH-UWB Wireless Ad-Hoc Networks”, Wireless Communication and Mobile Computing Journal, pp. 567-580, 2005.
Win, M.Z., et al., “Ultra-wide bandwidth time-hopping Spread-Spectrum Impulse Radio for Wireless Multiple-Access Communications,” IEEE Transactions on Communications, pp. 679-691, 2000.
Di Benedetto, M.G., “UWB-2: Uncoordinated, Wireless, Baseborn, Medium Access Control for UWB Communication Networks”, Mobile Network and Applications, Special Issue on WLAN Optimization at the MAC and Network levels, 2004.

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