Patents by Inventor Mark S. Wadman
Mark S. Wadman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8576693Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor modulating a first carrier of the plurality of spectrally overlapping carrier signals based on a first modulation scheme while modulating a second carrier of the plurality of spectrally overlapping carrier signals based on a second modulation scheme.Type: GrantFiled: December 5, 2011Date of Patent: November 5, 2013Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lee Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 8547824Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor modulating a first carrier of the plurality of spectrally overlapping carrier signals based on a first modulation scheme while modulating a second carrier of the plurality of spectrally overlapping carrier signals based on a second modulation scheme.Type: GrantFiled: April 11, 2012Date of Patent: October 1, 2013Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lee Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 8406115Abstract: Systems and methods for orthogonal frequency division multiplexing are provided.Type: GrantFiled: June 10, 2011Date of Patent: March 26, 2013Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 8351321Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals to produce a receiver output; a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor coupled to the receiver, wherein the processor applies a Fourier transform to the receiver output; and a controller programmed to instruct the transmitter to transmit at least one symbol representing a request for bandwidth allocation on a first carrier; wherein the controller is further programmed to determine when a collision has occurred on the first carrier.Type: GrantFiled: October 29, 2007Date of Patent: January 8, 2013Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiapetta, Scott Sarnikowski
-
Publication number: 20120195184Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor modulating a first carrier of the plurality of spectrally overlapping carrier signals based on a first modulation scheme while modulating a second carrier of the plurality of spectrally overlapping carrier signals based on a second modulation scheme.Type: ApplicationFiled: April 11, 2012Publication date: August 2, 2012Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 8213398Abstract: Systems and methods for multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing (OFDM) are provided. In one embodiment, a remote unit for communicating with a host unit using OFDM is provided, the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The remote unit comprises a modulator for modulating up to a plurality of tones with upstream information using orthogonal frequency division multiplexing, wherein the modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that spectrally overlapping tones transmitted from the remote unit and at least one other remote unit of the plurality of remote units are orthogonal and combine to form an OFDM waveform when received at the host; and wherein a first tone of the plurality of tones carries both control data and payload data.Type: GrantFiled: August 26, 2009Date of Patent: July 3, 2012Assignee: HTC CorporationInventors: Michael J. Geile, James J. Herrmann, Mark S. Wadman, Brian D. Anderson
-
Patent number: 8213399Abstract: Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote unit for communicating with a host using OFDM, the host communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote unit is configured to transmit up to a plurality of tones, the up to a plurality of tones modulated with upstream information using OFDM, the first remote unit including a modulator for modulating the up to a plurality of tones using OFDM. The modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that when any tones are transmitted from the first remote unit and at least one other remote unit, the orthogonality of the tones when received at the host unit is improved. Both control data and payload data are transmitted on a first tone of the plurality of tones.Type: GrantFiled: September 28, 2009Date of Patent: July 3, 2012Assignee: HTC CorporationInventors: Michael J. Geile, James J. Herrmann, Brian D. Anderson, Mark S. Wadman
-
Patent number: 8174956Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor modulating a first carrier of the plurality of spectrally overlapping carrier signals based on a first modulation scheme while modulating a second carrier of the plurality of spectrally overlapping carrier signals based on a second modulation scheme.Type: GrantFiled: October 29, 2007Date of Patent: May 8, 2012Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski
-
Publication number: 20120076183Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor modulating a first carrier of the plurality of spectrally overlapping carrier signals based on a first modulation scheme while modulating a second carrier of the plurality of spectrally overlapping carrier signals based on a second modulation scheme.Type: ApplicationFiled: December 5, 2011Publication date: March 29, 2012Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lee Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 8089853Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remote units, wherein the plurality of spectrally overlapping carrier signals are modulated using an inverse Fourier transform algorithm; a transmitter; a processor coupled to the transmitter, wherein the processor outputs data for transmission to the transmitter, wherein the processor applies an inverse Fourier transform algorithm to the data provided to the transmitter; a controller programed to instruct the transmitter to transmit a predetermined identifier on at least one of the spectrally overlapping carrier signals, the predetermined identifier identifying to a first remote unit a range of the plurality of spectrally overlapping carrier signals for the first remote unit to receive control information.Type: GrantFiled: October 29, 2007Date of Patent: January 3, 2012Assignee: HTC CorporationInventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski
-
Publication number: 20110242963Abstract: Systems and methods for orthogonal frequency division multiplexing are provided.Type: ApplicationFiled: June 10, 2011Publication date: October 6, 2011Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smingelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Hene Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Patent number: 7881181Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to receive a waveform comprising a plurality of spectrally overlapping carrier signals from at least two of a plurality of remotes, the carrier signals are modulated using an inverse Fourier transform; a transmitter; a processor coupled to the transmitter, the processor outputs data for transmission to the transmitter, the processor applies an inverse Fourier transform to the data provided to the transmitter; a controller programmed to instruct the transmitter to transmit timing adjustments to the at least two of the plurality of remotes, the timing adjustments instruct the at least two of the plurality of remotes to adjust transmission timing so that transmitted symbols associated with frames of a predetermined multiframe structure are received in sequence from the at least two of the plurality of remotes based on the structure.Type: GrantFiled: October 29, 2007Date of Patent: February 1, 2011Assignee: ADC Telecommunications, Inc.Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S Russell, Calvin G Nelson, Niranjan R Samant, Joseph F Chiappetta, Scott Sarnikowski
-
Publication number: 20100014605Abstract: Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote unit for communicating with a host using OFDM, the host communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote unit is configured to transmit up to a plurality of tones, the up to a plurality of tones modulated with upstream information using OFDM, the first remote unit including a modulator for modulating the up to a plurality of tones using OFDM. The modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that when any tones are transmitted from the first remote unit and at least one other remote unit, the orthogonality of the tones when received at the host unit is improved. Both control data and payload data are transmitted on a first tone of the plurality of tones.Type: ApplicationFiled: September 28, 2009Publication date: January 21, 2010Applicant: ADC TELECOMMUNICATIONS, INC.Inventors: Michael J. Geile, Brian D. Anderson, Mark S. Wadman, James J. Herrmann
-
Publication number: 20090316816Abstract: Systems and methods for multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing (OFDM) are provided. In one embodiment, a remote unit for communicating with a host unit using OFDM is provided, the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The remote unit comprises a modulator for modulating up to a plurality of tones with upstream information using orthogonal frequency division multiplexing, wherein the modulator is configured to adjust a carrier frequency and timing of the plurality of tones such that spectrally overlapping tones transmitted from the remote unit and at least one other remote unit of the plurality of remote units are orthogonal and combine to form an OFDM waveform when received at the host; and wherein a first tone of the plurality of tones carries both control data and payload data.Type: ApplicationFiled: August 26, 2009Publication date: December 24, 2009Applicant: ADC TELECOMMUNICATIONS, INC.Inventors: Michael J. Geile, James J. Herrmann, Mark S. Wadman, Brian D. Anderson
-
Publication number: 20090238065Abstract: Systems and methods for round-trip-delay adjustment in a multipoint-to-point orthogonal frequency division multiplexing (OFDM) system are provided. In one embodiment, a method for a remote unit to request bandwidth in an Orthogonal Frequency Division Multiplexing (OFDM) multi-point to point system comprises: transmitting a signal from a remote unit having a request for bandwidth to a host unit on a first tone, the signal from the remote unit configured to combine with a signal from at least one other remote unit on a different tone to form a coherent OFDM waveform; determining when a collision has occurred on the first tone between the signal transmitted by the remote unit and a signal from at least one other remote unit; and when a collision occurs, re-transmitting the request for bandwidth on the first tone.Type: ApplicationFiled: May 29, 2009Publication date: September 24, 2009Applicant: ADC TELECOMMUNICATIONS, INC.Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
Publication number: 20090225818Abstract: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals to produce a receiver output; a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by the transmitter, wherein the processor applies an inverse Fourier transform to the data transmitted by the transmitter; the processor coupled to the receiver, wherein the processor applies a Fourier transform to the receiver output; and a controller programmed to instruct the transmitter to transmit at least one symbol representing a request for bandwidth allocation on a first carrier; wherein the controller is further programmed to determine when a collision has occurred on the first carrier.Type: ApplicationFiled: October 29, 2007Publication date: September 10, 2009Applicant: ADC Telecommunications, Inc.Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski
-
METHODS AND SYSTEMS FOR SELECTING MODULATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM
Publication number: 20090092040Abstract: Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system are provided. In one embodiment, a method for a remote unit of an OFDM multipoint-to-point communications system comprises: establishing communication between a first remote unit and a host unit, the first remote unit and a plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration; transmitting a plurality of tones from the first remote unit such that tones from the first remote unit and at least one other remote unit are simultaneously received at the host unit, the plurality of tones modulated with upstream information using OFDM; modulating up to a plurality of tones using a first modulation scheme when transmitting a first type of upstream information; and modulating up to a plurality of tones using a second modulation scheme when transmitting a second type of upstream information.Type: ApplicationFiled: November 17, 2008Publication date: April 9, 2009Applicant: ADC TELECOMMUNICATIONS, INC.Inventors: Mark J. Dapper, Michael J. Geile, Terrance J. Hill, Harold A. Roberts, Brian D. Anderson, Jeffrey Brede, Mark S. Wadman, Robert J. Kirscht, James J. Herrmann, Michael J. Fort, Steven P. Buska, Jeff Solum, Debra Lea Enfield, Darrell Berg, Thomas Smigelski, Thomas C. Tucker, Joe Hall, John M. Logajan, Somvay Boualouang, Heng Lou, Mark D. Elpers, Matt Downs, Tammy Ferris, Adam Opoczynski, David S. Russell, Calvin G. Nelson, Niranjan R. Samant, Joseph F. Chiappetta, Scott Sarnikowski -
Patent number: RE41771Abstract: Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote for communicating with a host using orthogonal frequency division multiplexing (OFDM), the host communicatively coupled to a plurality of remotes in a multipoint-to-point configuration; wherein the first remote is configured to transmit up to a plurality of tones modulated with upstream information using OFDM; the first remote including a modulator for modulating the up to a plurality of tones with upstream information using OFDM, wherein the modulator is configured to adjust a carrier frequency of the plurality of tones such that when any tones are transmitted from the first remote and at least one other remote of the plurality of remotes, the orthogonality of the tones when received at the host is improved; and wherein both control data and payload data are transmitted on a first tone of the plurality of tones.Type: GrantFiled: September 29, 2009Date of Patent: September 28, 2010Assignee: ADC Telecommunications, Inc.Inventors: Michael J. Geile, James J. Herrmann, Mark S. Wadman, Brian D. Anderson
-
Patent number: RE42236Abstract: Systems and methods for bidirectional communication are provided. In one embodiment, a multipoint-to-point, orthogonal frequency division multiplexed (OFDM) communication system comprises: a plurality of remote units, a host unit; wherein the host sends an adjustment signal to a remote instructing the remote to adjust the timing of transmissions from the remote to improve orthogonality of the OFDM waveform received at the host, wherein the host sends an adjustment signal to a remote instructing the remote to adjust the frequency of transmissions from the remote to improve orthogonality of the OFDM waveform received at the host, wherein payload data is transmitted between a remote and the host over a first orthogonal tone within the OFDM communication system during a first time interval, and wherein control data is transmitted between a remote and the host over the first orthogonal tone within the OFDM communication system during a second time interval.Type: GrantFiled: October 9, 2009Date of Patent: March 22, 2011Assignee: ADC Telecommunications, Inc.Inventors: Michael J. Geile, James J. Herrmann, Mark S. Wadman, Brian D. Anderson
-
Patent number: RE43667Abstract: Systems for multiple use subchannels are provided. In one embodiment, a bidirectional communication system comprises: a first remote for communicating with a host using orthogonal frequency division multiplexing (OFDM), the host communicatively coupled to a plurality of remotes in a multipoint-to-point configuration; wherein the first remote is configured to transmit up to a plurality of tones modulated with upstream information using OFDM; the first remote including a modulator for modulating the up to a plurality of tones with upstream information using OFDM, wherein the modulator is configured to adjust a carrier frequency of the plurality of tones such that when any tones are transmitted from the first remote and at least one other remote of the plurality of remotes, the orthogonality of the tones when received at the host is improved; and wherein both control data and payload data are transmitted on a first tone of the plurality of tones.Type: GrantFiled: January 7, 2011Date of Patent: September 18, 2012Assignee: HTC CorporationInventors: Michael J. Geile, James J. Herrmann, Mark S. Wadman, Brian D. Anderson