Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2011-08-16
2011-08-16
Liu, Li (Department: 2613)
Optical communications
Multiplex
Wavelength division or frequency division
C398S063000, C398S066000, C398S069000, C398S075000, C398S079000, C398S100000, C370S203000, C370S210000, C370S485000, C370S537000
Reexamination Certificate
active
08000604
ABSTRACT:
A passive optical network (PON) device, system and method include an optical line terminal (OLT) receiver configured to receive multiple signals at different wavelengths simultaneously and enable multiple transmitters to operate at the same time during one upstream time slot. The optical line terminal employs Orthogonal Frequency Division Multiple Access (OFDMA) to transparently support a plurality of applications and enable dynamic bandwidth allocation among these applications where the bandwidth is allocated in two dimensional frequency and time space.
REFERENCES:
patent: 7069577 (2006-06-01), Geile et al.
patent: 7230908 (2007-06-01), Vanderaar et al.
patent: 7469106 (2008-12-01), Feced et al.
patent: 7471903 (2008-12-01), Friskney et al.
patent: 7580630 (2009-08-01), Kee et al.
patent: 2002/0041637 (2002-04-01), Smart et al.
patent: 2002/0109892 (2002-08-01), Seto et al.
patent: 2003/0026201 (2003-02-01), Arnesen
patent: 2005/0074037 (2005-04-01), Rickard et al.
patent: 2006/0002706 (2006-01-01), Lee et al.
patent: 2007/0121745 (2007-05-01), Zuckerman et al.
patent: 2007/0177873 (2007-08-01), Hyun et al.
patent: 2007/0189770 (2007-08-01), Sucharczuk et al.
patent: 2007/0195823 (2007-08-01), Biegert
patent: 2009/0169213 (2009-07-01), Lowery et al.
patent: 2009/0220239 (2009-09-01), Armstrong et al.
Sargis et al: “10-Gb/s Subcarrier Multiplexed Transmission Over 490 km of Ordinary Single-Mode Fiber Without Dispersion Compensation”, IEEE Photonics Technology Letters, vol. 9, No. 12, Dec. 1997, pp. 1658-1660.
Hui et al: “Subcarrier Multiplexing for High-Speed Optical Transmission”, J. LightWave Technology, vol. 20, No. 3, Mar. 3, 2002, pp. 417-427.
Cvijetic Milorad
Hu Junqiang
Ji Philip Nan
Kusano Toshihiko
Qian Dayou
Bitetto James
Kolodka Joseph
Liu Li
NEC Corporation
NEC Laboratories America, Inc.
LandOfFree
Orthogonal frequency division multiple access (OFDMA) based... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Orthogonal frequency division multiple access (OFDMA) based..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Orthogonal frequency division multiple access (OFDMA) based... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2789474