Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2005-01-04
2008-11-25
Payne, David C (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S260000, C375S345000
Reexamination Certificate
active
07457369
ABSTRACT:
The present invention provides a gain training generator for use with a multiple-input, multiple-output (MIMO) transmitter employing N transmit antennas where N is at least two. In one embodiment, the gain training generator includes a fundamental training encoder configured to provide a basic gain training sequence to one of the N transmit antennas during a time interval to produce a basic gain training waveform having a basic peak-to-average ratio (PAR). Additionally, the gain training generator also includes a supplemental training encoder coupled to the fundamental training encoder and configured to further provide (N−1) supplemental gain training sequences to (N−1) remaining transmit antennas, respectively, during the time interval to produce supplemental gain training waveforms wherein each has a supplemental PAR substantially equal to the basic PAR.
REFERENCES:
patent: 2004/0058701 (2004-03-01), Jung et al.
patent: 2004/0136465 (2004-07-01), Hwang et al.
Jianhua, Liu, “A MIMO system with backward compatibility for OFDM based WLANS”,2003 4th IEEE workshop on signal processing, pp. 130-134.
Erick Larsson, “preamble design for multiple-antenna OFDM-based WLANs with null carriers”, Nov. 2001, IEEE signal processing Letters, vol. 8 No. 11, pp. 285-289.
DiRenzo Michael T.
Goel Manish
Magee David P.
Brady W. James
Guarino Rahel
Payne David C
Shaw Steven A.
Telecky , Jr. Frederick J.
LandOfFree
Scalable gain training generator, method of gain training... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Scalable gain training generator, method of gain training..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scalable gain training generator, method of gain training... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4048611