Patents by Inventor Stephen Palm

Stephen Palm 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: 9641456
    Abstract: Apparatus and methods for reducing latency in coordinated networks are provided. The apparatus and methods relate to a protocol that may be referred to as the Persistent Reservation Request (“p-RR”), which may be viewed as a type of RR (reservation request). p-RR's may reduce latency, on average, to one MAP cycle or less. A p-RR may be used to facilitate Ethernet audiovisual bridging. Apparatus and methods of the invention may be used in connection with coaxial cable based networks that serve as a backbone for a managed network, which may interface with a package switched network.
    Type: Grant
    Filed: September 30, 2012
    Date of Patent: May 2, 2017
    Assignee: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.
    Inventors: Yitshak Ohana, Philippe Klein, Avi Kliger, Stephen Palm
  • Patent number: 9191373
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The system determines a bit error rate of the premises communication network, transfers the multimedia content from the source device to the rendering device, and when the bit error rate exceeds a bit error rate threshold, the system at least partially disables link layer encryption of video frames of the multimedia content transfer. With the link layer operations at least partially disabled, the system can enable, at least partially, content layer encryption operations for the transfer of the multimedia content from the source device to the rendering device.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: November 17, 2015
    Assignee: BROADCOM CORPORATION
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Patent number: 9025582
    Abstract: A Wireless Local Area Network (WLAN) system based upon peer-to-peer communications. A wireless terminal for peer-to-peer communications acts either as a WLAN master or as a WLAN slave. When the wireless terminal acts a master, the wireless terminal undertakes mastering duties that include transmitting a beacon interval in the frame cycle. When the wireless terminal is not tethered to a power source, mastering duties alternate according to a round-robin WLAN mastering cycle, wherein the wireless terminal acts the WLAN master during at least one frame cycle and acts the WLAN slave during other frame cycles to conserve an untethered power source of the wireless terminal.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 5, 2015
    Assignee: Broadcom Corporation
    Inventors: Stephen Palm, Edward H. Frank, Bruce E. Edwards, Jason A. Trachewsky
  • Patent number: 8726308
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The source device receives data packets carrying the multimedia content from the remote content source via at least one remote delivery communication network and transmits at least two copies of the data packets carrying video frames of the multimedia content to the rendering device via the at least one premises communication network. The rendering device decodes video frames carried by first copies of the data packets.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: May 13, 2014
    Assignee: Broadcom Corporation
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Publication number: 20130286914
    Abstract: A Wireless Local Area Network (WLAN) system based upon peer-to-peer communications. A wireless terminal for peer-to-peer communications acts either as a WLAN master or as a WLAN slave. When the wireless terminal acts a master, the wireless terminal undertakes mastering duties that include transmitting a beacon interval in the frame cycle. When the wireless terminal is not tethered to a power source, mastering duties alternate according to a round-robin WLAN mastering cycle, wherein the wireless terminal acts the WLAN master during at least one frame cycle and acts the WLAN slave during other frame cycles to conserve an untethered power source of the wireless terminal.
    Type: Application
    Filed: June 28, 2013
    Publication date: October 31, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Stephen Palm, Edward H. Frank, Bruce E. Edwards, Jason A. Trachewsky
  • Patent number: 8553666
    Abstract: A Wireless Local Area Network (WLAN) system based upon peer-to-peer communications. A wireless terminal for peer-to-peer communications acts either as a WLAN master or as a WLAN slave. When the wireless terminal acts a master, the wireless terminal undertakes mastering duties that include transmitting a beacon interval in the frame cycle. When the wireless terminal is not tethered to a power source, mastering duties alternate according to a round-robin WLAN mastering cycle, wherein the wireless terminal acts the WLAN master during at least one frame cycle and acts the WLAN slave during other frame cycles to conserve an untethered power source of the wireless terminal.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: October 8, 2013
    Assignee: Broadcom Corporation
    Inventors: Stephen Palm, Edward H. Frank, Bruce E. Edwards, Jason A. Trachewsky
  • Patent number: 8345553
    Abstract: Apparatus and methods for reducing latency in coordinated networks. The apparatus and methods relate to a protocol that may be referred to as the Persistent Reservation Request (“p-RR”), which may be viewed as a type of RR (reservation request). p-RR's may reduce latency, on average, to one MAP cycle or less. A p-RR may be used to facilitate Ethernet audiovisual bridging. Apparatus and methods of the invention may be used in connection with coaxial cable based networks that serve as a backbone for a managed network, which may interface with a package switched network.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: January 1, 2013
    Assignee: Broadcom Corporation
    Inventors: Yitshak Ohana, Philippe Klein, Avi Kliger, Stephen Palm
  • Publication number: 20120269107
    Abstract: A Wireless Local Area Network (WLAN) system based upon peer-to-peer communications. A wireless terminal for peer-to-peer communications acts either as a WLAN master or as a WLAN slave. When the wireless terminal acts a master, the wireless terminal undertakes mastering duties that include transmitting a beacon interval in the frame cycle. When the wireless terminal is not tethered to a power source, mastering duties alternate according to a round-robin WLAN mastering cycle, wherein the wireless terminal acts the WLAN master during at least one frame cycle and acts the WLAN slave during other frame cycles to conserve an untethered power source of the wireless terminal.
    Type: Application
    Filed: June 27, 2012
    Publication date: October 25, 2012
    Applicant: BROADCOM CORPORATION
    Inventors: Stephen Palm, Edward H. Frank, Bruce E. Edwards, Jason A. Trachewsky
  • Publication number: 20120272105
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The system determines a bit error rate of the premises communication network, transfers the multimedia content from the source device to the rendering device, and when the bit error rate exceeds a bit error rate threshold, the system at least partially disables link layer encryption of video frames of the multimedia content transfer. With the link layer operations at least partially disabled, the system can enable, at least partially, content layer encryption operations for the transfer of the multimedia content from the source device to the rendering device.
    Type: Application
    Filed: June 26, 2012
    Publication date: October 25, 2012
    Applicant: BROADCOM CORPORATION
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Patent number: 8250362
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The system certifies transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network using link layer encryption operations. After certification, the system at least partially disables the link layer encryption operations for the transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network. With the link layer operations are at least partially disabled, the system at least partially enables content layer encryption operations for the transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: August 21, 2012
    Assignee: Broadcom Corporation
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Patent number: 8243701
    Abstract: A Wireless Local Area Network (WLAN) system in which wireless terminals each operate upon battery power. One of the wireless terminals acts as a Master to coordinate the transmission and receptions of the Slaves so as to reduce the power consumed by all of the devices. The Slaves operate according to a power up and power down sequence to conserve battery power. Further, the terminals may alternate between being Slaves and being the Master to equalize battery consumption of the wireless terminals.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: August 14, 2012
    Assignee: Broadcom Corporation
    Inventors: Stephen Palm, Edward H. Frank, Bruce E. Edwards, Jason A. Trachewsky
  • Publication number: 20120069762
    Abstract: A wireless terminal serviced by a Wireless Access Point (WAP) of a Wireless Local Area Network (WLAN) infrastructure includes a processor, an RF unit and a directional antenna. The RF unit receives instructions from the WAP that are derived from participatory data based on communications involving the WAP and non-participatory data based on communications the WAP listens to, but does not participate in. The processor alters a gain vector of the directional antenna based on the instructions received from the WAP.
    Type: Application
    Filed: November 29, 2011
    Publication date: March 22, 2012
    Applicant: BROADCOM CORPORATION
    Inventors: Jeffrey L. Thermond, Richard G. Martin, Jeff Abramowitz, Stephen Palm
  • Publication number: 20110188488
    Abstract: A Wireless Access Point (WAP) of a Wireless Local Area Network (WLAN) infrastructure includes a processor, a radio and a directional antenna. The radio supports communications with a plurality of wireless terminals to gather participatory data, and listens to, but does not participate in transmissions of at least some of the plurality of wireless terminals to collect non-participatory WAP data. Based upon the participatory WAP data and non-participatory WAP data, the processor creates WAP operational reports and provides the WAP operational reports to the WLAN. The WLAN creates directions based thereon and directs the WAP to alter the gain pattern of the directional antenna.
    Type: Application
    Filed: April 13, 2011
    Publication date: August 4, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: Jeffrey L. Thermond, Richard G. Martin, Jeff Abramowitz, Stephen Palm
  • Publication number: 20110138428
    Abstract: A method and apparatus for coupling a system propagating wireless home networking communication signals to a system propagating television signals over a coaxial cable system to a device capable of receiving television signals that includes a three-port adapter having an antenna port, a first coaxial cable port and a second coaxial cable port. The antenna port is coupled to the system propagating home networking communications signals. The first coaxial cable port is coupled to the system propagating television signals over a coaxial cable. The second coaxial cable port is coupled to a device capable of receiving television signals.
    Type: Application
    Filed: February 14, 2011
    Publication date: June 9, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: Stephen Palm, David Fifield
  • Patent number: 7948956
    Abstract: A Wireless Access Point (WAP) of a Wireless Local Area Network (WLAN) infrastructure includes a processor, a radio and a directional antenna. The radio supports communications with a first plurality of wireless terminals and listens to, but does not participate in transmissions of at least some of a second plurality of wireless terminals to collect non-participatory WAP data. Based upon the non-participatory WAP data, the processor creates WAP operational reports and provides the WAPs operational reports to the WLAN. The WLAN creates directions based thereon and directs the WAP to alter the gain pattern of the directional antenna.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventors: Jeffrey L. Thermond, Richard G. Martin, Jeff Abramowitz, Stephen Palm
  • Publication number: 20100146266
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The system certifies transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network using link layer encryption operations. After certification, the system at least partially disables the link layer encryption operations for the transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network. With the link layer operations are at least partially disabled, the system at least partially enables content layer encryption operations for the transfer of the multimedia content from the source device to the rendering device via the at least one premises communication network.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: Broadcom Corporation
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Publication number: 20100146580
    Abstract: A premises based multimedia communication system includes a source device that produces multimedia content, a rendering device that presents the multimedia content, and a premises communication network coupling the source device to the rendering device. The source device receives data packets carrying the multimedia content from the remote content source via at least one remote delivery communication network and transmits at least two copies of the data packets carrying video frames of the multimedia content to the rendering device via the at least one premises communication network. The rendering device decodes video frames carried by first copies of the data packets.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: Broadcom Corporation
    Inventors: Sherman (Xuemin) Chen, Stephen Palm, Jeyhan Karaoguz
  • Patent number: 7697564
    Abstract: A method for Digital Subscriber Line (DSL) handshaking begins when a remote DSL transceiver transmits first signals containing even numbered carriers for a predetermined period of time to initiate the DSL handshaking to produce R-ETONES-REQ. The processing continues when the central office DSL transceiver determines alignment of a hyperframe in accordance with a TCM-ISDN TTR. The processing continues when the central office DSL transceiver transmits first response signals containing odd numbered carriers in accordance with the alignment of the hyperframe to produce C-TONES-TTR. The processing continues when the remote DSL transceiver acquires TTR synchronization in accordance with the C-TONES-TTR. The processing continues when, after acquiring TTR synchronization, the remote DSL transceiver transmits second signals containing even numbered carriers to produce R-TONE-TTR.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: April 13, 2010
    Assignee: Broadcom Corporation
    Inventor: Stephen Palm
  • Patent number: 7508867
    Abstract: A communication apparatus and a communication device that are selectively connectable to each other. A transmitter, associated with one of the communication apparatus and the communication device, transmits a first predetermined signal, such as, for example, an MS signal, to designate a specific mode to the other one of the communication apparatus and the communication device. The first predetermined signal includes an identification field that stores modulation independent information and a standard information field that stores modulation dependent information. A receiver receives a second predetermined signal, such as, for example, an ACK signal or a NACK signal, in response to the first predetermined signal from the other one of the communication apparatus and the communication device.
    Type: Grant
    Filed: March 31, 2004
    Date of Patent: March 24, 2009
    Assignee: Panasonic Communications Co., Ltd.
    Inventor: Stephen Palm
  • Patent number: 7509096
    Abstract: A Wireless Local Area Network (WLAN) processing component includes a network interface and a processor. The network interface interfaces the WLAN processing component to a plurality of Wireless Access Points (WAPs) of the WLAN, at least some of the plurality of WAPs having directional antennas. The WLAN processing component directs the plurality of WAPs to perform a plurality of beaconing operations, each of the beaconing operations corresponding to a respective WAP of the plurality of WAPs such that during the beaconing operation the respective WAP transmits a substantially constant power beacon. During the beaconing operations, the WLAN processing component directs non-beaconing WAPs having directional antennas to listen for the transmitted beacon, direct an approximate maximum gain vector of the directional antenna toward the transmitted beacon, determine a relative angular position of the approximate maximum gain vector, and measure a received strength of the transmitted beacon.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: March 24, 2009
    Assignee: Broadcom Corporation
    Inventors: Stephen Palm, Jeffrey L. Thermond