Patents by Inventor Richard S. Prodan

Richard S. Prodan 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: 9647692
    Abstract: A device for codeword filling comprises at least one processor circuit. The at least one processor circuit is configured to receive portions of a data burst, encode the portions into blocks, and add the blocks to a buffer. The at least one processor circuit is configured to generate a first codeword from blocks of the buffer when a number of blocks in the buffer satisfies a threshold, remove the blocks from the buffer, and provide the first codeword for transmission. The at least one processor circuit is configured to generate a set of codewords from remaining blocks of the buffer when a marker indicating a data burst end is detected, the set of codewords being determined based at least on a number of the remaining blocks in the buffer when the marker is detected. The at least one processor circuit is configured to provide the set of codewords for transmission.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: May 9, 2017
    Assignee: Avago Technologies General IP (Singapore) PTE. LTD.
    Inventor: Richard S. Prodan
  • Patent number: 9154261
    Abstract: A communication device is configured to encode and/or decode low density parity check (LDPC) coded signals. Such LDPC coded signals are characterized by LDPC matrices having a particular form. An LDPC matrix may be partitioned into a left hand side matrix and the right hand side matrix. The right hand side matrix can be lower triangular such that all of the sub-matrices therein are all-zero-valued sub-matrices (e.g., all of the elements within an all-zero-valued sub-matrix have the value of “0”) except for those sub-matrices located on a main diagonal of the right hand side matrix and another diagonal that is adjacently located to the left of the main diagonal. A device may be configured to employ different LDPC codes having different LDPC matrices for different LDPC coded signals. The different LDPC matrices may be based generally on a common form (e.g., with a right hand side matrix as described above).
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: October 6, 2015
    Assignee: Broadcom Corporation
    Inventors: Ba-Zhong Shen, Tak K. Lee, Jonathan S. Min, Avi Kliger, Richard S. Prodan
  • Patent number: 9130811
    Abstract: A communication device is configured to perform interleaving of a modulation symbol sequence to generate an OFDM symbol. Some modulation symbols within the modulation symbol sequence that are separated by an interleaver depth may be transmitted via adjacently located sub-carriers, while other modulation symbols within the modulation sequence that are separated by more than the interleaver depth may also be transmitted via adjacently located sub-carriers. First adjacently located sub-carriers transmit first and second modulation symbols that are separated by the interleaver depth within the modulation sequence while second adjacently located sub-carriers transmit third and fourth modulation symbol that are separated by more than the interleaver depth within the modulation sequence. A communication device may be configured to adapt and switch between different operational parameters used for interleaving and/or deinterleaving at different times based on any desired considerations.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 8, 2015
    Assignee: Broadcom Corporation
    Inventors: Thomas J. Kolze, Tak K. Lee, Ba-Zhong Shen, Richard S. Prodan
  • Publication number: 20150214981
    Abstract: A device for codeword filling comprises at least one processor circuit. The at least one processor circuit is configured to receive portions of a data burst, encode the portions into blocks, and add the blocks to a buffer. The at least one processor circuit is configured to generate a first codeword from blocks of the buffer when a number of blocks in the buffer satisfies a threshold, remove the blocks from the buffer, and provide the first codeword for transmission. The at least one processor circuit is configured to generate a set of codewords from remaining blocks of the buffer when a marker indicating a data burst end is detected, the set of codewords being determined based at least on a number of the remaining blocks in the buffer when the marker is detected. The at least one processor circuit is configured to provide the set of codewords for transmission.
    Type: Application
    Filed: January 21, 2015
    Publication date: July 30, 2015
    Inventor: Richard S. PRODAN
  • Patent number: 9077576
    Abstract: A communication device is configured to perform processing of one or more bits to generate a modulation symbol sequence based on one or more profiles that specify variable bit loading of bits per symbol over at least some of the modulation symbols of the modulation symbol sequence. The communication device is also configured to perform interleaving of the modulation symbol sequence to generate OFDM symbol(s). Some modulation symbols within the modulation symbol sequence that are separated by an interleaver depth may be transmitted via adjacently located sub-carriers, while other modulation symbols within the modulation sequence that are separated by more than the interleaver depth may also be transmitted via adjacently located sub-carriers. A communication device may be configured to adapt and switch between different operational parameters used for bit loading, interleaving and/or deinterleaving at different times based on any desired considerations.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 7, 2015
    Assignee: Broadcom Corporation
    Inventors: Thomas J. Kolze, Tak K. Lee, Ba-Zhong Shen, Richard S. Prodan
  • Patent number: 9049399
    Abstract: Embodiments of a digital up-converter and an N-channel modulator are provided herein. The embodiments of the digital up-converter, in combination with the N-channel modulator, are capable of efficiently filling the spectrum of one or more RF signals with one or more types of information signals. For example, the digital up-converter can fill the spectrum of one or more RF signals with both broadcast and narrowcast video and data signals. In addition, the digital up-converter is capable of flexibly mapping the information signals to one or more channels of the one or more RF signals using a novel, three-level switching architecture.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: June 2, 2015
    Assignee: Broadcom Corporation
    Inventors: Joel I. Danzig, Richard S. Prodan, Niki Pantelias, Thomas Kolze, Victor T. Hou, Taruna Tjahjadi
  • Patent number: 9042492
    Abstract: A demodulator processes a continuous-time signal to generate at a plurality of encoded bits. An inner decoder processes a first subset of bits within the plurality of encoded bits to correct selected ones of the first subset of bits to form a corrected first subset of bits and to generate partially corrected data from the plurality of encoded bits based on the corrected first subset of bits. An outer decoder processes the partially decoded data, to correct selected ones of a second subset of the plurality of encoded bits to form a corrected second subset of bits. A bit combiner generates data estimates by combining the corrected first subset of bits and the corrected second subset of bits.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: May 26, 2015
    Assignee: Broadcom Corporation
    Inventors: Thomas J. Kolze, Richard S. Prodan
  • Patent number: 9031143
    Abstract: A communication device is configured adaptively to process a receive signal based on noise that may have adversely affected the signal during transition via communication channel. The device may be configured to identify those portions of the signal of the signal that are noise-affected (e.g., noise-affected sub-carriers of an orthogonal frequency division multiplexing (OFDM) signal), or the device may receive information that identifies those portions of the signal that are noise-affected from one or more other devices. The device may be configured to perform the modulation processing of the received signal to generate log-likelihood ratios (LLRs) for use in decoding the signal. Those LLRs associated with noise-affected portions of the signal are handled differently than LLRs associated with portions of the signal that are not noise-affected. The LLRs may be scaled based on signal to noise ratio(s) (SNR(s)) associated with the signal (e.g., based on background noise, burst noise, etc.).
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: May 12, 2015
    Assignee: Broadcom Corporation
    Inventors: Ba-Zhong Shen, Richard S. Prodan, Avi Kliger, Leo Montreuil, Jonathan S. Min, Tak K. Lee, Kelly Brian Cameron, Hau Thien Tran
  • Patent number: 8959247
    Abstract: Aspects of customized delivery of content by a broadband gateway are provided. A broadband gateway may be operable to determine one or more characteristics of acquired content. The gateway may be operable to determine, based on the determined characteristics, whether the acquired content may be compatible with a device. In instances that the acquired content is not compatible with the device, the gateway may transcode the acquired content to make it compatible with the device. The one or more characteristics may comprise an identity or a type of a provider associated with the acquired content, a quality of the acquired content, power consumption associated with communicating the acquired content to a destination device, or power consumption associated with presenting or otherwise processing the acquired content on a destination device.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: February 17, 2015
    Assignee: Broadcom Corporation
    Inventors: Jeyhan Karaoguz, Xuemin Chen, Wael William Diab, David Garrett, David Lundgren, Richard S. Prodan
  • Patent number: 8953445
    Abstract: Embodiments herein provide systems and methods of transferring data in a communication system. An embodiment transfers data by assigning a portion of data among groups of channels coupled to a remote node, such assigning being based on the respective flows to which the portion is associated. The portion of data across is at least two channels in the assigned group of channels, and the split portions are transferred substantially simultaneously among the channels to which they are assigned.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: February 10, 2015
    Assignee: Broadcom Corporation
    Inventors: Richard S. Prodan, Joel Danzig, Thomas J. Quigley, Niki R. Pantelias
  • Publication number: 20140201588
    Abstract: A communication device is configured to encode and/or decode low density parity check (LDPC) coded signals. Such LDPC coded signals are characterized by LDPC matrices having a particular form. An LDPC matrix may be partitioned into a left hand side matrix and the right hand side matrix. The right hand side matrix can be lower triangular such that all of the sub-matrices therein are all-zero-valued sub-matrices (e.g., all of the elements within an all-zero-valued sub-matrix have the value of “0”) except for those sub-matrices located on a main diagonal of the right hand side matrix and another diagonal that is adjacently located to the left of the main diagonal. A device may be configured to employ different LDPC codes having different LDPC matrices for different LDPC coded signals. The different LDPC matrices may be based generally on a common form (e.g., with a right hand side matrix as described above).
    Type: Application
    Filed: October 31, 2013
    Publication date: July 17, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Ba-Zhong Shen, Tak K. Lee, Jonathan S. Min, Avi Kliger, Richard S. Prodan
  • Publication number: 20140169424
    Abstract: A communication device is configured to perform interleaving of a modulation symbol sequence to generate an OFDM symbol. Some modulation symbols within the modulation symbol sequence that are separated by an interleaver depth may be transmitted via adjacently located sub-carriers, while other modulation symbols within the modulation sequence that are separated by more than the interleaver depth may also be transmitted via adjacently located sub-carriers. First adjacently located sub-carriers transmit first and second modulation symbols that are separated by the interleaver depth within the modulation sequence while second adjacently located sub-carriers transmit third and fourth modulation symbol that are separated by more than the interleaver depth within the modulation sequence. A communication device may be configured to adapt and switch between different operational parameters used for interleaving and/or deinterleaving at different times based on any desired considerations.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 19, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Thomas J. Kolze, Tak K. Lee, Ba-Zhong Shen, Richard S. Prodan
  • Publication number: 20140169425
    Abstract: A communication device is configured to perform processing of one or more bits to generate a modulation symbol sequence based on one or more profiles that specify variable bit loading of bits per symbol over at least some of the modulation symbols of the modulation symbol sequence. The communication device is also configured to perform interleaving of the modulation symbol sequence to generate OFDM symbol(s). Some modulation symbols within the modulation symbol sequence that are separated by an interleaver depth may be transmitted via adjacently located sub-carriers, while other modulation symbols within the modulation sequence that are separated by more than the interleaver depth may also be transmitted via adjacently located sub-carriers. A communication device may be configured to adapt and switch between different operational parameters used for bit loading, interleaving and/or deinterleaving at different times based on any desired considerations.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 19, 2014
    Inventors: Thomas J. Kolze, Tak K. Lee, Ba-Zhong Shen, Richard S. Prodan
  • Publication number: 20140153673
    Abstract: A communication device is configured adaptively to process a receive signal based on noise that may have adversely affected the signal during transition via communication channel. The device may be configured to identify those portions of the signal of the signal that are noise-affected (e.g., noise-affected sub-carriers of an orthogonal frequency division multiplexing (OFDM) signal), or the device may receive information that identifies those portions of the signal that are noise-affected from one or more other devices. The device may be configured to perform the modulation processing of the received signal to generate log-likelihood ratios (LLRs) for use in decoding the signal. Those LLRs associated with noise-affected portions of the signal are handled differently than LLRs associated with portions of the signal that are not noise-affected. The LLRs may be scaled based on signal to noise ratio(s) (SNR(s)) associated with the signal (e.g., based on background noise, burst noise, etc.).
    Type: Application
    Filed: October 31, 2013
    Publication date: June 5, 2014
    Applicant: Broadcom Corporation
    Inventors: Ba-Zhong Shen, Richard S. Prodan, Avi Kliger, Leo Montreuil, Jonathan S. Min, Tak K. Lee, Kelly Brian Cameron, Hau Thien Tran
  • Patent number: 8681615
    Abstract: Downstream synchronous multichannel (DSSM) communications are provided among a plurality of carriers, each being a completely DOCSIS™ 2.0-compliant downstream. The synchronous multichannels support communications with both DSSM-capable communications nodes and non-DSSM-capable communications nodes (e.g., legacy cable modems). Non-DSSM packets are transmitted on a single channel. DSSM packets are split into multiple pieces, which are transmitted simultaneously on all available channels. Since the physical delay variation (e.g., group delay change) across the adjacent carriers is small (on the order of a symbol time), the multiple pieces arrive at the receiving communications nodes at nearly the same time and can be reassembled with minimal buffering and no packet ordering problems. To avoid causing trouble for the non-DSSM-capable communications nodes, the packet pieces are encapsulated with a header that causes the non-DSSM-capable communications nodes to silently discard them.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: March 25, 2014
    Assignee: Broadcom Corporation
    Inventors: Daniel H. Howard, Niki R. Pantelias, David M. Pullen, John D. Horton, Jr., Thomas J. Quigley, Richard S. Prodan
  • Publication number: 20140016636
    Abstract: Embodiments herein provide systems and methods of transferring data in a communication system. An embodiment transfers data by assigning a portion of data among groups of channels coupled to a remote node, such assigning being based on the respective flows to which the portion is associated. The portion of data across is at least two channels in the assigned group of channels, and the split portions are transferred substantially simultaneously among the channels to which they are assigned.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 16, 2014
    Applicant: Broadcom Corporation
    Inventors: Richard S. Prodan, Joel Danzig, Thomas J. Quigley, Niki R. Pantelias
  • Publication number: 20140003560
    Abstract: A demodulator processes a continuous-time signal to generate at a plurality of encoded bits. An inner decoder processes a first subset of bits within the plurality of encoded bits to correct selected ones of the first subset of bits to form a corrected first subset of bits and to generate partially corrected data from the plurality of encoded bits based on the corrected first subset of bits. An outer decoder processes the partially decoded data, to correct selected ones of a second subset of the plurality of encoded bits to form a corrected second subset of bits. A bit combiner generates data estimates by combining the corrected first subset of bits and the corrected second subset of bits.
    Type: Application
    Filed: June 12, 2013
    Publication date: January 2, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Thomas J. Kolze, Richard S. Prodan
  • Publication number: 20130345885
    Abstract: A broadband gateway may provide energy management service within a home network. The energy management service may enable reducing and/or enhancing energy consumption within the home network. The energy management service may comprise managing one or more devices in the home network by the broadband gateway. The energy management service may be performed based on energy-related information associated with devices, and the information may be stored by the broadband gateway. At least some of the energy-related information may be acquired from the managed devices. The energy management service may comprise controlling and/or configuring the managed devices, and/or communications between the managed devices within the home network. The broadband gateway may track actual energy usage by the managed devices. Information corresponding to energy-related activities and/or usage may be displayed via a user interface. The information may also be reported to entities external to the home network.
    Type: Application
    Filed: August 22, 2013
    Publication date: December 26, 2013
    Applicant: Broadcom Corporation
    Inventors: Wael William Diab, Jeyhan Karaoguz, Xuemin Chen, David Garrett, David Lundgren, Richard S. Prodan
  • Patent number: 8537680
    Abstract: Embodiments herein provide systems and methods of transferring data in a communication system. An embodiment transfers data by assigning a portion of data among groups of channels coupled to a remote node, such assigning being based on the respective flows to which the portion is associated. The portion of data across is at least two channels in the assigned group of channels, and the split portions are transferred substantially simultaneously among the channels to which they are assigned.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: September 17, 2013
    Assignee: Broadcom Corporation
    Inventors: Richard S. Prodan, Joel Danzig, Thomas J. Quigley, Niki R. Pantelias
  • Patent number: 8369433
    Abstract: Embodiments of a digital up-converter and an N-channel modulator are provided herein. The embodiments of the digital up-converter, in combination with the N-channel modulator, are capable of efficiently filling the spectrum of one or more RF signals with one or more types of information signals. For example, the digital up-converter can fill the spectrum of one or more RF signals with both broadcast and narrowcast video and data signals. In addition, the digital up-converter is capable of flexibly mapping the information signals to one or more channels of the one or more RF signals using a novel, three-level switching architecture.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: February 5, 2013
    Assignee: Broadcom Corporation
    Inventors: Joel I. Danzig, Richard S. Prodan, Niki Pantelias, Thomas Kolze, Victor T. Hou, Taruna Tjahjadi