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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Rakib; Selim Shlomo
Address:
Cupertino, CA
No. of patents:
41
Patents:












Patent Number Title Of Patent Date Issued
8151306 Remote control for wireless control of system including home gateway and headend, either or both April 3, 2012
A system for wireless remote control of a gateway and ordering or invocation of services provided by a headend. The remote control includes a video display and user input device or keyboard and can decompress and display compressed streaming video in some embodiments. Some species of
8144800 Downstream transmitter and cable modem receiver for 1024 QAM March 27, 2012
A headend transmitter that transmits 1024 QAM including a 256 QAM modulator which has been modified to have more aggressive forward error correction processing. The 256 QAM modulator outputs 256 QAM points to a summer. Another data modulator receives additional data to be transmitted
7751338 Establishment of multiple upstream DOCSIS logical channels based upon performance July 6, 2010
A process for grouping cable modems by type/modulation profile and/or throughput ability into different logical groups. Each logical group is commanded to transmit on an upstream which has a burst profile set to effectively use the throughput ability of the cable modem. Some species
7590991 Method and apparatus for determining channel to which a TV or VCR is tuned September 15, 2009
Method and apparatus to determine the channel to which a TV tuner is tuned from a return loss ratio measurement circuit in a set top decoder. The method comprises generating a plurality of probe signals having frequencies spread throughput the TV channel band, preferably using harmon
7580346 Method and apparatus to improve SCDMA headroom August 25, 2009
A method of determining when cable modems in a distributed digital data delivery service over cable TV hybrid fiber coaxial cable network have a headroom problem and resolving said problem. The method involves measuring the burst power from each cable modem, and if the burst power is
7548558 Cable modem termination system with flexible addition of single upstreams or downstreams June 16, 2009
A cable modem termination system is disclosed with flexible mapping of upstreams to downstreams and flexible mapping of downstreams to optical nodes and optical nodes to upstream receivers and the ability to add singe upstreams or downstreams as needed for load balancing. Multiple do
7443914 DFE to FFE equalization coefficient conversion process for DOCSIS 2.0 October 28, 2008
A method and appartus for converting FFE and FBE coefficients from a DOCSIS compatible cable modem termination system upstream equalizer into FFE only coefficients to be sent down to the cable modem which transmitted the training burst which resulted in convergence on the FFE and FBE
7362773 DOCSIS 2.0 SCDMA capable sniffers which can capture legacy DOCSIS bursts as well April 22, 2008
A DOCSIS 2.0 compatible sniffer which can receive legacy DOCSIS 1.x TDMA bursts as well as DOCSIS 2.0 SCDMA bursts. One embodiment uses two cable modems in the sniffer, one to capture downstream data bursts and the other to capture downstream messages and to recover the downstream symbol
7315967 Method and apparatus for automatic rate adaptation in a DOCSIS upstream January 1, 2008
A process for automatically monitoring the packet error rate of a logical channel in a cable television DOCSIS data transmission system and automatically altering the bit rate on the channel or sending a message to a cable operator recommending a change in burst profile and bit rate.
7298762 Method for sharing an upstream among multiple downstreams November 20, 2007
A process and apparatus for sharing an upstream between multiple downstreams. A automatic discovery process carried out by the CMTS using ranging messages is used to build routing tables that define which cable modems are coupled to each downstream. The downstreams are coordinated in
7239650 Apparatus and method for receiving upstream data transmissions from multiple remote transmitters July 3, 2007
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
7095707 Apparatus and method for trellis encoding data for transmission in digital data transmission sys August 22, 2006
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
7089577 Process for supplying video-on-demand and other requested programs and services from a headend August 8, 2006
A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed
7050419 Head end receiver for digital data delivery systems using mixed mode SCDMA and TDMA multiplexing May 23, 2006
A pipelined digital data receiver for a cable TV headend which is capable of receiving DOCSIS 1.0 or 1.1 or advanced PHY TDMA or SCDMA bursts having programmable symbol rates and programmable modulation types as well as a host of other burst parameters such at Trellis code modulation
7039048 Headend cherrypicker multiplexer with switched front end May 2, 2006
A headend or central office or satellite uplink facility for receiving upstream video-on-demand requests and MPEG transport streams containing video program data and packetizing said video data into TCP/IP or UDP/IP packets and LAN packets and routing them through a switch to one or more
7031344 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end m April 18, 2006
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
7023871 Wideband DOCSIS on catv systems using port-trunking April 4, 2006
Method and apparatus to carry out wideband DOCSIS both upstream and downstream in a point-to-multipoint environment of an HFC system using port trunking concepts. For the downstream, each CMTS has a frame distributor which distributes frames to various transmitters transmitting on do
7020165 Apparatus and method for trellis encoding data for transmission in digital data transmission sys March 28, 2006
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
7007296 Active cable modem outside customer premises servicing multiple customer premises February 28, 2006
A signal distribution system to save on the cost of cable modems for cable TV headend operators who wish to deliver broadband digital data services, DSL, video-on-demand or POTS service over their HFC CATV delivery networks. All species within the genus have a shared cable modem and a
7002899 Method and apparatus to improve SCDMA headroom February 21, 2006
A method of determining when cable modems in a distributed digital data delivery service over cable TV hybrid fiber coaxial cable network have a headroom problem and resolving said problem. The method involves measuring the burst power from each cable modem, and if the burst power is
6970127 Remote control for wireless control of system and displaying of compressed video on a display on November 29, 2005
A system for wireless remote control of a gateway and ordering or invocation of services provided by a headend. The remote control includes a video display and user input device or keyboard and can decompress and display compressed streaming video in some embodiments. Some species of
6937617 Apparatus and method for trellis encoding data for transmission in digital data transmission sys August 30, 2005
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
6889385 Home network for receiving video-on-demand and other requested programs and services May 3, 2005
A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed
6859488 Detection of impulse noise using unused codes in CDMA systems February 22, 2005
An impulse detector which can detect both low and high levels of impulse noise in a CDMA system is comprised of circuitry to calculate the background noise level in unused codes. Another circuit calculates the average noise power in the unused codes of each spreading interval to outp
6857132 Head end multiplexer to select and transmit video-on-demand and other requested programs and ser February 15, 2005
A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed
6791995 Multichannel, multimode DOCSIS headend receiver September 14, 2004
A multichannel, mixed mode cable modem termination system receiver capable of receiving multiple channels of digital data transmitted on one or more hybrid fiber coaxial cable systems, each the channels being either single mode or mixed-mode. Mixed mode channels are time division multipl
6678740 Process carried out by a gateway in a home network to receive video-on-demand and other requeste January 13, 2004
A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed
6665308 Apparatus and method for equalization in distributed digital data transmission systems December 16, 2003
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
6466564 Two dimensional interleave process for CDMA transmissions of one dimensional timeslot data October 15, 2002
A method and apparatus for interleaving symbols from a one dimensional TDMA 802.14 or MCNS minislot or other TDMA stream into two dimensional arrays in code and time for transmission on a code division multiplexed digital data transmission system. There are two methods disclosed. The fir
6459703 Mixed DOCSIS 1.0 TDMA bursts with SCDMA transmissions on the same frequency channel October 1, 2002
A method for allowing upstream channels having the same multiplexing type but different symbol rates or the same symbol rates but different multiplexing types to be transmitted on the same frequency band without interfering with each other. In particular, a method for allowing DOCSIS
6426983 Method and apparatus of using a bank of filters for excision of narrow band interference signal July 30, 2002
A narrow band interference excision circuit for use in broadband digital data communication systems such as CDMA systems. The excision circuit is comprised of a matrix of polyphase filters that divide the input signal into a plurality of narrow subbands. Each narrow subband signal is
6356555 Apparatus and method for digital data transmission using orthogonal codes March 12, 2002
A method and apparatus for carrying out synchronous co-division multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial microw
6353604 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS d March 5, 2002
A bidirectional digital data communication system which generate phase coherent upstream clock and carrier signals from recovered downstream clock generated from a master clock in a central unit. The preferred species uses any downstream clock rate and generates a phase coherent upst
6307868 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end m October 23, 2001
A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit down
6243369 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS d June 5, 2001
A bidirectional digital data communication system which generate phase coherent upstream clock and carrier signals from recovered downstream clock generated from a master clock in a central unit. The preferred species uses any downstream clock rate and generates a phase coherent upst
6154456 Apparatus and method for digital data transmission using orthogonal codes November 28, 2000
A method and apparatus for carrying out synchronous co-division multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial microw
5991308 Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable pla November 23, 1999
A process for reducing the amount of overhead data in ATM cell headers prior to transmission both upstream and downstream on an HFC cable plant or other transmission media using SCDMA on at least the upstream path, without loss of either IP or Ethernet addressing information. A virtual
5966376 Apparatus and method for digital data transmission using orthogonal cyclic codes October 12, 1999
A method and apparatus for carrying out synchronous co-division multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial microw
5805583 Process for communicating multiple channels of digital data in distributed systems using synchro September 8, 1998
A method and apparatus for carrying out synchronous code division multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media. The system includes modems at remote units and a central unit to receive time division multiplexed digital data a
5793759 Apparatus and method for digital data transmission over video cable using orthogonal cyclic code August 11, 1998
A method and apparatus for carrying out synchronous co-division multiple access (SCDMA,) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial micro
5768269 Apparatus and method for establishing frame synchronization in distributed digital data communic June 16, 1998
A method and apparatus for carrying out synchronous codivision multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial microwa










 
 
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