Method and system for adaptive modulation

Details Method and system for adaptive modulation Method and system for adaptive modulation

2007-05-09

2009-11-24

Nguyen, Brian D (Department: 2416)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Plural diverse modulation techniques

C370S344000, C370S208000

Reexamination Certificate

active

07623440

ABSTRACT:
Systems and methods for an orthogonal frequency division multiplexing multipoint-to-point communications system are provided. In one embodiment, a method comprises establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration; transmitting up to a plurality of tones from the first remote unit, the up to a plurality of tones modulated with upstream information using orthogonal frequency division multiplexing; modulating the up to a plurality of tones using a first modulation scheme when transmitting a first type of upstream information; and modulating the up to a plurality of tones using a second modulation scheme when transmitting a second type of upstream information.

REFERENCES:
patent: 3780230 (1973-12-01), Bowen et al.
patent: 4101738 (1978-07-01), Bellanger et al.
patent: 4472802 (1984-09-01), Pin et al.
patent: 4494228 (1985-01-01), Gutleber
patent: 4495619 (1985-01-01), Acampora
patent: 4503533 (1985-03-01), Tobagi et al.
patent: 4516170 (1985-05-01), Skerlos
patent: 4519074 (1985-05-01), Basile
patent: 4528656 (1985-07-01), Morais
patent: 4646296 (1987-02-01), Bartholet et al.
patent: 4710918 (1987-12-01), Miyao
patent: 4731816 (1988-03-01), Hughes-Hartogs
patent: 4774707 (1988-09-01), Raychaudhuri
patent: 4783779 (1988-11-01), Takahata et al.
patent: 4799252 (1989-01-01), Eizenhoffer et al.
patent: 4807259 (1989-02-01), Yamanaka et al.
patent: 4821120 (1989-04-01), Tomlinson
patent: 4847880 (1989-07-01), Kamerman et al.
patent: 4853686 (1989-08-01), Kueng et al.
patent: 4912721 (1990-03-01), Pidgeon, Jr. et al.
patent: 4977612 (1990-12-01), Wilson
patent: 4985902 (1991-01-01), Gurcan
patent: 5005169 (1991-04-01), Bronder et al.
patent: 5025485 (1991-06-01), Csongor et al.
patent: 5038342 (1991-08-01), Crisler et al.
patent: 5063574 (1991-11-01), Moose
patent: 5073899 (1991-12-01), Collier et al.
patent: 5088111 (1992-02-01), McNamara et al.
patent: 5103459 (1992-04-01), Gilhousen et al.
patent: 5128625 (1992-07-01), Yatsuzuka et al.
patent: 5128967 (1992-07-01), Durkin et al.
patent: 5166924 (1992-11-01), Moose
patent: 5173899 (1992-12-01), Ballance
patent: 5175867 (1992-12-01), Wejke et al.
patent: 5181106 (1993-01-01), Sutherland
patent: 5197061 (1993-03-01), Halbert-Lassalle et al.
patent: 5204874 (1993-04-01), Falconer et al.
patent: 5206886 (1993-04-01), Bingham
patent: 5228062 (1993-07-01), Bingham
patent: 5235615 (1993-08-01), Omura
patent: 5255290 (1993-10-01), Anvari
patent: 5276703 (1994-01-01), Budin et al.
patent: 5282222 (1994-01-01), Fattouche et al.
patent: 5285474 (1994-02-01), Chow et al.
patent: 5291289 (1994-03-01), Hulyalkar et al.
patent: 5297186 (1994-03-01), Dong
patent: 5321542 (1994-06-01), Freitas et al.
patent: 5327455 (1994-07-01), De Gaudenzi et al.
patent: 5327575 (1994-07-01), Menich et al.
patent: 5343209 (1994-08-01), Sennott et al.
patent: 5345439 (1994-09-01), Marston
patent: 5345440 (1994-09-01), Gledhill et al.
patent: 5349580 (1994-09-01), Hester et al.
patent: 5357502 (1994-10-01), Castelain et al.
patent: 5371548 (1994-12-01), Williams
patent: 5371780 (1994-12-01), Amitay
patent: 5375140 (1994-12-01), Bustamante et al.
patent: 5390216 (1995-02-01), Bilitza et al.
patent: 5400322 (1995-03-01), Hunt et al.
patent: 5406551 (1995-04-01), Saito et al.
patent: 5420851 (1995-05-01), Seshadri et al.
patent: 5423067 (1995-06-01), Manabe
patent: 5425027 (1995-06-01), Baran
patent: 5425050 (1995-06-01), Schreiber et al.
patent: 5444697 (1995-08-01), Leung et al.
patent: 5446727 (1995-08-01), Bruckert et al.
patent: 5469468 (1995-11-01), Schilling
patent: 5471464 (1995-11-01), Ikeda
patent: 5483529 (1996-01-01), Baggen et al.
patent: 5483550 (1996-01-01), Hulbert
patent: 5488412 (1996-01-01), Majeti et al.
patent: 5499236 (1996-03-01), Giallorenzi et al.
patent: 5499241 (1996-03-01), Thompson et al.
patent: 5504773 (1996-04-01), Padovani et al.
patent: 5504775 (1996-04-01), Chouly et al.
patent: 5519706 (1996-05-01), Bantz et al.
patent: 5519731 (1996-05-01), Cioffi
patent: 5521943 (1996-05-01), Dambacher
patent: 5528621 (1996-06-01), Heiman et al.
patent: 5533008 (1996-07-01), Grube et al.
patent: 5534913 (1996-07-01), Majeti et al.
patent: 5537414 (1996-07-01), Takiyasu et al.
patent: 5548582 (1996-08-01), Brajal et al.
patent: 5550812 (1996-08-01), Philips
patent: 5559833 (1996-09-01), Hayet
patent: 5581555 (1996-12-01), Dubberly et al.
patent: 5588022 (1996-12-01), Dapper et al.
patent: 5590403 (1996-12-01), Cameron et al.
patent: 5594726 (1997-01-01), Thompson et al.
patent: 5600672 (1997-02-01), Oshima et al.
patent: 5600754 (1997-02-01), Gardner et al.
patent: 5602836 (1997-02-01), Papadopoulos et al.
patent: 5603081 (1997-02-01), Raith et al.
patent: 5606576 (1997-02-01), Dapper et al.
patent: 5608764 (1997-03-01), Sugita et al.
patent: 5613193 (1997-03-01), Ishikawa et al.
patent: 5619504 (1997-04-01), Van Grinsven et al.
patent: 5621753 (1997-04-01), Weber
patent: 5625651 (1997-04-01), Cioffi
patent: 5627863 (1997-05-01), Aslanis et al.
patent: 5644573 (1997-07-01), Bingham et al.
patent: 5650997 (1997-07-01), Yang et al.
patent: 5652772 (1997-07-01), Isaksson et al.
patent: 5673292 (1997-09-01), Carlin
patent: 5680388 (1997-10-01), Kahre
patent: 5694389 (1997-12-01), Seki et al.
patent: 5699365 (1997-12-01), Klayman et al.
patent: 5703873 (1997-12-01), Ojanpera et al.
patent: 5726973 (1998-03-01), Isaksson
patent: 5732068 (1998-03-01), Takahashi et al.
patent: 5748677 (1998-05-01), Kumar
patent: 5764706 (1998-06-01), Carlin et al.
patent: 5768309 (1998-06-01), Olafsson
patent: 5784363 (1998-07-01), Engstrom et al.
patent: 5793759 (1998-08-01), Rakib et al.
patent: 5793772 (1998-08-01), Burke et al.
patent: 5802044 (1998-09-01), Baum et al.
patent: 5802241 (1998-09-01), Oshima
patent: 5815488 (1998-09-01), Williams et al.
patent: 5815794 (1998-09-01), Williams
patent: 5838799 (1998-11-01), Cioffi et al.
patent: 5859876 (1999-01-01), Dapper et al.
patent: 5867764 (1999-02-01), Williams
patent: 5898732 (1999-04-01), Dapper et al.
patent: 5903546 (1999-05-01), Ikeda et al.
patent: 5943361 (1999-08-01), Gilhousen et al.
patent: RE36430 (1999-12-01), Halbert-Lassalle et al.
patent: 6018528 (2000-01-01), Gitlin et al.
patent: 6157669 (2000-12-01), Kotzin
patent: 6219840 (2001-04-01), Corrigan et al.
patent: 6275990 (2001-08-01), Dapper et al.
patent: 6279158 (2001-08-01), Geile et al.
patent: 6330241 (2001-12-01), Fort
patent: 6366585 (2002-04-01), Dapper et al.
patent: 6415133 (2002-07-01), Brede et al.
patent: 6430417 (2002-08-01), Raith et al.
patent: 6467092 (2002-10-01), Geile et al.
patent: 6487258 (2002-11-01), Jedwab et al.
patent: 6496982 (2002-12-01), Johansson et al.
patent: 6594322 (2003-07-01), Dapper et al.
patent: 7068678 (2006-06-01), Cioffi et al.
patent: 7069577 (2006-06-01), Geile et al.
patent: 7071994 (2006-07-01), Harris et al.
patent: 7280564 (2007-10-01), Geile et al.
patent: 2001/0050926 (2001-12-01), Kumar
patent: 2004/0012387 (2004-01-01), Shattil
patent: 2007/0192815 (2007-08-01), Geile et al.
patent: 0725509 (1996-08-01), None
patent: 9203384 (1993-10-01), None
patent: 9216063 (1992-09-01), None
patent: 9411961 (1994-05-01), None
Engstrom et al., “A System for Test of Multiaccess Methods Based on OFDM”, “Conference Proceedings, 1994 IEEE 44th Vehicular Technology Conference”, 6/8-10/94, pp. 1843-1845, vol. 3, Publisher: IEEE, Published in: Stockholm, Sweden.
Sari et al., “An Analysis of Orthogonal Frequency-Division Multiple Access”, “Global Telecommunications Conference”, 1997, pp. 1635-1639, vol. 3, Publisher: IEEE.
Wei et al., “Synchronization Requirements for Multi-User OFDM on Satellite Mobile and Two-Path Rayleigh Fading Channels”, “IEEE Transactions on Communications”, Feb.-Apr. 1995, pp. 887-895, vol. 83, No. 2-4, Publisher: IEEE, Published in: New York, NY.
Cimini, Leonard J. “Analysis and Simulation of a Digital Mobile Channel Using Orthogonal Frequency Divisi

Affiliated with

Also associated with

Rating

Method and system for adaptive modulation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for adaptive modulation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for adaptive modulation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4101685