Patents Assigned to Designart Networks Ltd
  • Publication number: 20130185345
    Abstract: An algebraic processor as part of a wireless telecommunication system, including pre-computed Look Up Tables (LUT), used for computing a number of different functions using linear interpolation. Preferably, the step of computing is implemented in a multiplier-accumulator having a SIMD structure.
    Type: Application
    Filed: January 16, 2012
    Publication date: July 18, 2013
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MEIR TSADIK, ASSAF TOUBOUL
  • Publication number: 20130086286
    Abstract: Inter-processor communication (IPC) apparatus and a method for providing communication between two processors having a shared memory, the IPC apparatus including an arbitrated bus coupling the processors to one another and to the memory, a buffer in the shared memory associated with each processor, and at least one pair of First In First Out hardware units (FIFOs) coupled to each processor, the FIFOs holding pointers to addresses in the buffer associated with that processor, wherein a first of the pair of FIFOs (an empty buffer FIFO) is configured to hold pointers to empty portions of the buffer while the second of the pair of FIFOs (a message FIFO) is configured to hold pointers to portions of the buffer having data therein.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 4, 2013
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MEIR TSADIK, ALBERT YOSHER
  • Patent number: 8160491
    Abstract: A method and system for GPS (Geographical Positioning System) synchronization of a femtocell, as defined in the application, in a wireless telecommunications network, the system including a Base Transceiver Station (a “sync-BTS”) for transmitting synchronization signals, a module for GPS synchronization coupled to the sync-BTS, at least one femtocell, and a processor in each femtocell for performing time and frequency synchronization on the sync-BTS over an air interface.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: April 17, 2012
    Assignee: Designart Networks Ltd
    Inventors: Assaf Touboul, Oz Barak
  • Publication number: 20120014478
    Abstract: A method and system for processing LLRs, in a receiver, of transmissions over a wireless telecommunication system, the method including receiving multiple soft symbols, selecting a set of appropriate instructions for LLR calculation for the soft symbols, arranging the soft symbols in a register of a processor according to the selected instructions, selecting an appropriate single instruction from the set of instructions to be implemented by the processor using the soft symbols in the register as operands, and calculating, by a computation unit, multiple LLR values for the multiple soft symbols, in parallel, by means of the selected instruction.
    Type: Application
    Filed: July 19, 2010
    Publication date: January 19, 2012
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAXIM GOTMAN, MEIR TSADIK, ERAN RICHARDSON, ASSAF TOUBOUL
  • Publication number: 20120014480
    Abstract: A method for soft remodulation in a receiver of transmissions over a wireless telecommunication system, the method including obtaining from a FEC decoder a-posteriori LLR values, converting the a-posteriori LLR values into bit probabilities and computing improved soft symbols estimates as expected values using the bit probabilities in a recursive algorithm. Preferably, the step of converting is implemented using a pre-computed Look Up Table (LUT). Preferably, the step of computing is implemented in a Multiplier-Accumulator having a SIMD structure.
    Type: Application
    Filed: July 19, 2011
    Publication date: January 19, 2012
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAXIM GOTMAN, AVNER DOR
  • Publication number: 20120011295
    Abstract: Apparatus and method for direct data transfer in a wireless broadband system having an operating system, the apparatus including a central processing unit (CPU), at least one dedicated Direct Memory Access unit (DMA) local to the CPU, coupled directly to the CPU, and a commands FIFO (First In First Out) receiving commands from the CPU and automatically transferring the commands in sequence to the DMA for implementation by the DMA, in the absence of intervention by the operating system.
    Type: Application
    Filed: June 2, 2011
    Publication date: January 12, 2012
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MEIR TSADIK, MOSHE TANACH, ASSAF TOUBOUL
  • Publication number: 20110255627
    Abstract: A method and device for reducing Peak-to-Average Power Ratio (PAPR) of a transmitted signal in a wireless telecommunication system utilizing CFR technique, the method including performing peak-windowed clipping of a transmitted signal using at least two cascaded clipping stages and individually configuring parameters for each clipping stage before performing the peak-windowed clipping.
    Type: Application
    Filed: April 17, 2011
    Publication date: October 20, 2011
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAXIM GOTMAN, TAL OVED, OREN MATSRAFI, ASSAF TOUBOUL
  • Publication number: 20110231725
    Abstract: A receiver and method for HARQ combining of a received codeword in a receiver with a FEC decoder, the method including computing Log Likelihood Ratios (LLRs) of demodulated soft symbols of the received codeword and outputting the LLRs as a-priori soft bits; performing iterative decoding of the a-priori soft bits in a Forward Error Correction (FEC) decoder; outputting a posteriori soft bits of the a priori soft bits of the received codeword from the FEC decoder; and HARQ combining the a posteriori soft bits with a retransmission of the received codeword.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 22, 2011
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAXIM GOTMAN, ASSAF TOUBOUL
  • Publication number: 20110216857
    Abstract: A receiver for wireless broadband telecommunication transmissions, the receiver including a demodulator for receiving transmitted modulated symbols, a channel deinterleaver memory coupled to the demodulator for receiving interleaved soft symbols and outputting deinterleaved soft symbols, an LLR calculator coupled to the channel deinterleaver memory for receiving the deinterleaved soft symbols and calculating LLRs therefore, a descrambler coupled to the LLR calculator for descrambling the LLRs, and an interleaved scrambling sequence generator coupled to the descrambler for generating an interleaved scrambling sequence and providing it to the descrambler.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 8, 2011
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAXIM GOTMAN, RAN IRON, MEIR TSADIK, ASSAF TOUBOUL
  • Patent number: 7969910
    Abstract: A method for inserting an access point unit into a wireless telecommunications network, comprising: performing a self installation process in the access point unit, wherein during said self installation process, the access point unit automatically detects physical and RF layer parameters of access points around it, and selects its own physical and RF layer parameters according thereto, and/or performing a self-interconnection process in the access point unit wherein the access point unit contacts at least one feeder; and said feeder determines whether or not to permit connection of said access point unit to it.
    Type: Grant
    Filed: September 9, 2007
    Date of Patent: June 28, 2011
    Assignee: Designart-Networks Ltd
    Inventors: Oz Barak, Assaf Touboul
  • Patent number: 7970355
    Abstract: The present invention describes a method of closed loop MIMO communication utilizing implicit or explicit channel state information (CSI) at the transmitter and the receiver. The transmitter performs linear pre-processing (for example, QR decomposition or bi-diagonal decomposition or Jacobi rotations, and/or sporadic SVDs) on a channel matrix, and the receiver mitigates the mutual interference between the streams by performing MMSE processing on the received signals. The MMSE matrix is computed with respect to the processed channel that may estimated by the receiver through preprocessed pilot signals. The transmitters preprocessing is of much lesser cost and complexity than full SVD.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: June 28, 2011
    Assignee: Designart Networks Ltd
    Inventors: Oz Barak, Assaf Touboul, Avner Dor
  • Publication number: 20110019696
    Abstract: A method for reducing complexity of MMSE computations in a receiver, by which an MMSE matrix is computed once per pre-defined group of sub-carriers and then the sub-carrier MMSE matrix for other sub-carriers in that group is computed by phase shifts per column combined with phase shifts per row of the computed MMSE matrix, which corresponds to the column/row phase shifts of the respective channel.
    Type: Application
    Filed: January 8, 2009
    Publication date: January 27, 2011
    Applicant: DESIGNART NETWORKS LTD
    Inventors: AVNER DOR, ASSAF TOUBOUL, OZ BARAK
  • Patent number: 7756519
    Abstract: A backhaul network for a mobile wireless network including a plurality of nodes forming links, the links utilizing a 1:n frequency re-use scheme in backhaul communication, where n equals 2 to about 16, wherein each link communicates over a different portion of an entire bandwidth of the network.
    Type: Grant
    Filed: May 6, 2007
    Date of Patent: July 13, 2010
    Assignee: Designart Networks Ltd
    Inventors: Oz Barak, Assaf Touboul
  • Publication number: 20100157970
    Abstract: A wireless telecommunication system and method including at least two transmit antennae and means for implementing a downlink switched sub-channels diversity scheme during transmission. The method includes splitting a total bandwidth allocated for transmission of a transmitted signal to individual sub-channels or groups of sub-channels; boosting each of the sub-channels or groups of sub-channels; and routing each of the sub-channels or groups of sub-channels to a different transmit antenna.
    Type: Application
    Filed: December 15, 2009
    Publication date: June 24, 2010
    Applicant: DESIGNART NETWORKS LTD
    Inventors: MAX GOTMAN, ASSAF TOUBOUL, OZ BARAK
  • Publication number: 20100128630
    Abstract: A method for inserting an access point unit into a wireless telecommunications network, comprising: performing a self installation process in the access point unit, wherein during said self installation process, the access point unit automatically detects physical and RF layer parameters of access points around it, and selects its own physical and RF layer parameters according thereto, and/or performing a self-interconnection process in the access point unit wherein the access point unit contacts at least one feeder; and said feeder determines whether or not to permit connection of said access point unit to it.
    Type: Application
    Filed: September 9, 2007
    Publication date: May 27, 2010
    Applicant: DESIGNART NETWORKS LTD
    Inventors: Oz Barak, Assaf Touboul
  • Publication number: 20100087206
    Abstract: A method and system for GPS (Geographical Positioning System) synchronization of a femtocell, as defined in the application, in a wireless telecommunications network, the system including a Base Transceiver Station (a “sync-BTS”) for transmitting synchronization signals, a module for GPS synchronization coupled to the sync-BTS, at least one femtocell, and a processor in each femtocell for performing time and frequency synchronization on the sync-BTS over an air interface.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 8, 2010
    Applicant: DESIGNART NETWORKS LTD
    Inventors: ASSAF TOUBOUL, OZ BARAK
  • Publication number: 20100027694
    Abstract: A femtocell including a transceiver and a processor coupled to the transceiver for implementing transmission and reception in a wireless communication network utilizing OFDM/OFDMA, and the processor including modules for collecting information about neighboring base stations and femtocells and utilizing the collected information to select the femtocell's own radio parameters, and a method for radio resource allocation in a wireless communication network implementing OFDM/OFDMA, the method including performing preamble synchronization by a sniffing femtocell on a neighboring femtocell, and determining radio resource parameters of the neighboring femtocell based on the synchronized preamble.
    Type: Application
    Filed: November 19, 2008
    Publication date: February 4, 2010
    Applicant: DESIGNART NETWORKS LTD
    Inventors: ASAF TOUBOUL, OZ BARAK
  • Publication number: 20090323621
    Abstract: A method and system for providing wireless backhaul in a wireless radio access network having an overall allocated access bandwidth for access communication, the system including a radio access base station designed for out-of-band backhaul, the base station including an access transceiver communicating over an allocated frequency channel within the overall allocated access bandwidth, and an in-band backhaul unit coupled to the access base station including means for in-band communication of backhaul of the access base station.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 31, 2009
    Applicant: DESIGNART NETWORKS LTD
    Inventors: ASSAF TOUBOUL, OZ BARAK
  • Patent number: 7620370
    Abstract: A WiMAX network and communication method, the network including a plurality of WiMAX nodes deployed in micro or pico cells for providing access service to a plurality of mobile subscribers, a plurality of these nodes being arranged in a cluster, one of the nodes in each cluster being a feeder node coupled to a core network, the nodes in each cluster being coupled for multi-hop transmission to the feeder node. According to a preferred embodiment, each node includes a transceiver with associated modem, an antenna arrangement coupled to the modem and arranged for multiple concurrent transmissions, and a MAC controller for controlling the transceiver, modem and antenna arrangement for providing both access and backhaul communication.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: November 17, 2009
    Assignee: DesignArt Networks Ltd
    Inventors: Oz Barak, Assaf Touboul
  • Patent number: 7593729
    Abstract: A method and point-to-point link for providing point-to-point wireless communication between a first and second node forming a link, the method including providing multiple concurrent transmissions from multiple antennas in an antenna array arrangement in the first node, controlling beam patterns of the antennas to manage deployment interference, and periodically allocating 1 to 3 MIMO (Multiple In Multiple Out) streams to different antennas in said antenna arrangement.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: September 22, 2009
    Assignee: Designart Networks Ltd
    Inventors: Oz Barak, Assaf Touboul