Patents Examined by David C. Payne
  • Method for transmitting and receiving signal in wireless LAN and apparatus therefor
    Patent number: 10469302
    Abstract: A method for receiving a signal by a station (STA) in a wireless LAN system according to an embodiment of the present invention comprises the steps of: receiving a multi-user (MU) frame including a SIG-A field, a SIG-B field and a short training field (STF), and a long training field (LTF) that provides training symbols; and performing blind-decoding of the SIG-B field using a group ID assigned to the STA, wherein the SIG-B field includes information on the number of streams assigned to each of multiple stations that receive the MU frame, and the starting position of a training symbol interval for the STA in the LTF is implicitly indicated by the number of streams assigned to each of other stations in the same group, which share the group ID with the STA, and the order in which the streams are assigned to the STA in the same group.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: November 5, 2019
    Assignee: LG Electronics Inc.
    Inventors: Dongguk Lim, Jinsoo Choi, Hangyu Cho, Eunsung Park, Wookbong Lee
  • Apparatus and methods for exchanging communications signals
    Patent number: 10469228
    Abstract: Aspects of the subject disclosure may include, a system configured for receiving modulated signals operating in a first plurality of frequency bands, and utilizing a plurality of signaling protocols, selectively converting the plurality of modulated signals to a plurality of frequency converted signals, wherein the second plurality of frequency bands differs from the first plurality of frequency bands, selectively assigning at least one of the second plurality of frequency bands to each of a respective one of a plurality of antenna systems, and transmitting a reference signal with the plurality of frequency converted signals for receipt by a respective one of the plurality of antenna systems. Other embodiments are disclosed.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: November 5, 2019
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Farhad Barzegar, Irwin Gerszberg, Paul Shala Henry, Giovanni Vannucci, Robert Bennett
  • Method and device for estimating interference in a receive signal
    Patent number: 10462687
    Abstract: A method (700) includes receiving (701) a receive signal (x[n]) comprising a periodic data signal component (r[n]) and a periodic interference signal component (s[n]); determining (702) an average value by averaging over sub-samples of the receive signal (x[n]), wherein the average value is independent of at least one sub-sample of the receive signal (x[n]) having a same phase as a particular sample ([n]) of the receive signal (x[n]); and determining (703) for the particular sample ([n]) of the receive signal (x[n]) an estimate (?[n]) of the interference signal component (s[n]) based on the average value.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: October 29, 2019
    Assignee: Intel IP Corporation
    Inventors: Yanai Mozes, Miki Genossar, Yuval Lomnitz
  • Digital repeater system
    Patent number: 10461839
    Abstract: A digital repeater system for repeating RF signals can include a receiving section for receiving an RF input signal that includes a frequency band with at least one subband associated with a communication channel of a telecommunications network. The receiving section can digitize the RF input signal to obtain a digital signal. A filter device includes a digital filter with a passband for filtering the digital signal. The digital filter is configurable by setting filter coefficients. A gain control device can set the gain of at least a portion of the digital signal. A transmitting section can transmit an RF output signal and can convert the digital signal to the RF output signal for transmission. A control unit can configure the filter coefficients of the digital filter based on the gain setting of the gain control device.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: October 29, 2019
    Assignee: Andrew Wireless Systems GmbH
    Inventors: Keld Knut Lange, Alfons Dussmann, Daniel Schwab
  • Method and device for receiving a signal the phase or frequency of which is modulated by a sequence of two-state symbols
    Patent number: 10454730
    Abstract: A method allowing a receiver device of a wireless communication system to receive a useful signal emitted by an emitter device. The useful signal corresponding to a signal, the phase or frequency of which is modulated by a sequence of two-state symbols corresponding to a sequence of binary data. A temporal envelope of the useful signal is detected and compared to a preset threshold value. Transitions between consecutive useful-signal symbols are detected, on the basis of the result of the comparison. A sequence of binary data is extracted from the useful signal depending on the detected transitions.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: October 22, 2019
    Assignee: SIGFOX
    Inventors: Nicolas Chalbos, Loïc Hubert, Christophe Fourtet
  • Communication of signals over fuel lines in a vehicle
    Patent number: 10454525
    Abstract: Systems and methods for communicating a signal over a fuel line in a vehicle are provided. In one embodiment, a system can include a fuel line. The fuel line can include at least one communication medium for propagating a communication signal. The system can also include at least one signal communication device configured to receive the communication signal communicated over the fuel line. The system can also include at least one vehicle component in communication with the at least one signal communication device.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: October 22, 2019
    Assignee: GE Aviation Systems LLC
    Inventor: Pavlo Bobrek
  • Method to re-provision bandwidth in P-OTN network based on current traffic demand
    Patent number: 10455301
    Abstract: A method, comprises measuring, by circuitry of a computer system, a first bandwidth of data traffic of a transport path over a time period, the transport path passing through a plurality of nodes and conforming to a protocol using a number of time slots to allocate a second bandwidth to the transport path. The method further includes passing a signal, from the computer system to at least one of the nodes of the transport path, the signal including at least one instruction that when executed by circuitry of the at least one node causes a change to the number of time slots allocated to the transport path.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: October 22, 2019
    Assignee: Infinera Corporation
    Inventors: Satyajeet Ahuja, Ping Pan, Rajan Rao, Biao Lu
  • Apparatus, system and method of communicating according to a transmit space-frequency diversity scheme
    Patent number: 10454548
    Abstract: For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks according to a dual carrier modulation, to map the plurality of data blocks to a plurality of spatial streams according to a space-time diversity scheme, and to transmit a MIMO transmission based on the plurality of spatial streams.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: October 22, 2019
    Assignee: INTEL CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Carlos Cordeiro
  • Channel pre-combining in colorless, directionless, and contentionless optical architectures
    Patent number: 10454609
    Abstract: An optical add/drop system supporting a colorless, directionless, and contentionless (CDC) architecture includes a Contentionless Wavelength Selective Switch (CWSS)-based optical add/drop device including N local add/drop ports and M degree ports; and a channel pre-combiner including a common port connected to a first port of the N local add/drop ports and at least two local add/drop ports coupled to the common port. The CWSS-based optical add/drop device can include an M-array of 1×N Wavelength Selective Switches (WSSs) and an N-array of M×1 switches. The channel pre-combiner can be a passive device which passively combines the at least two local add ports and splits the at least two local drop ports. The channel pre-combiner can also include amplifiers on the common port in both an add direction and a drop direction.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 22, 2019
    Assignee: Ciena Corporation
    Inventors: Paul Chedore, Jean-Luc Archambault
  • Bidirectional, multi-wavelength gigabit optical fiber network
    Patent number: 10447423
    Abstract: A bidirectional, multi-wavelength fiber optical network that enables communication between electrical components (such as line replaceable units) at high data transmission rates. The proposed fiber optical network in accordance with some embodiments comprises a single plastic or glass optical fiber capable of transmitting data at rates faster than 1 Gbits/sec. In accordance with some embodiments, the number of fiber cables between line replaceable units onboard an airplane can be reduced by a factor of eight or more by substituting one gigabit plastic or gigabit glass optical fiber for four or more plastic or glass optical fibers.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: October 15, 2019
    Assignee: The Boeing Company
    Inventors: Eric Y. Chan, Tuong K. Truong, Dennis G. Koshinz
  • Massively multi-user MIMO using space time holography
    Patent number: 10447392
    Abstract: Disclosed are antenna systems and related methods. An antenna system includes one or more feeds configured to receive an electromagnetic (EM) signal and propagate the EM signal as an EM reference wave. The antenna system also includes a plurality of tunable EM scattering elements spaced at sub-wavelength distances, and a controller operably coupled to the plurality of tunable EM scattering elements. A method includes operating the plurality of tunable EM scattering elements in at least two different operational states to selectively scatter the EM reference wave as a radiated wave, and modulating the radiated wave over time to deliver a plurality of different information streams to a plurality of different far-end locations by modulating the plurality of tunable EM scattering elements between the plurality of different operational states over time.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: October 15, 2019
    Assignee: Elwha LLC
    Inventors: Eric J. Black, Brian Mark Deutsch, Alexander Remley Katko, Melroy Machado, Jay Howard McCandless, Yaroslav A. Urzhumov
  • Passive wavelength division mobile fronthaul network system
    Patent number: 10439710
    Abstract: A passive wavelength division mobile fronthaul network system includes a central office end, a remote end, a trunk optical fiber; a first transport unit, configured to transport, on one end of the trunk optical fiber, detection light to the trunk optical fiber; a second transport unit, configured to transport, on the other end of the trunk optical fiber, the detection light from the trunk optical fiber to each branch of the remote end; and a reflector, deployed on an end of each branch of the remote end for reflecting the detection light. The first transport unit combines the detection light to the trunk optical fiber, the second transport unit transmits, on the remote end, the detection light from the trunk optical fiber to each branch of the remote end, and finally, the reflector returns the detection light along the original path.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: October 8, 2019
    Assignee: T&S Communications Co., Ltd.
    Inventors: Dan Hou, Shu Huang, Jindong Wu
  • Diversity receiver front end system with variable-gain amplifiers
    Patent number: 10439665
    Abstract: Diversity receiver front end system with variable-gain amplifiers. A receiving system can include a controller configured to selectively activate one or more of a plurality of paths between an input of a first multiplexer and an output of a second multiplexer. The receiving system can further include a plurality of bandpass filters, each one of the plurality of bandpass filters disposed along a corresponding one of the plurality of paths and configured to filter a signal received at the bandpass filter to a respective frequency band. The receiving system can further include a plurality of variable-gain amplifiers (VGAs), each one of the plurality of VGAs disposed along a corresponding one of the plurality of paths and configured to amplify a signal received at the VGA with a gain controlled by an amplifier control signal received from the controller.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: October 8, 2019
    Assignee: SKYWORKS SOLUTIONS, INC.
    Inventors: William J. Domino, Stephane Richard Marie Wloczysiak, Bipul Agarwal
  • UE, network node, and method for determining transmitting manner of downlink signal of cell
    Patent number: 10439857
    Abstract: The present application discloses a UE, network node, and method for determining a transmitting manner of a downlink signal of a cell. The UE obtains first attribute indication information of a first cell, where the first cell is any cell other than a cell serving the UE, and the first attribute indication information of the first cell includes at least one of: a radio access standard supported for signal transmitting by the first cell, a frequency band supported for signal transmitting by the first cell, an PCI supported for signal transmitting by the first cell, a modulation mode supported for signal transmitting by the first cell, or an MIMO antenna mode supported for signal transmitting by the first cell; and the UE determines a transmitting manner of a downlink signal of the first cell according to the obtained first attribute indication information of the first cell.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: October 8, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Peng Zhang, Min Xu, Yueying Zhao
  • Optical module
    Patent number: 10440799
    Abstract: The present disclosure discloses an optical module, and relates to the field of optical fiber communication technologies. A first sealing piece is configured to block the gap between the optical fiber ribbon and the blocking piece. For the optical module and an optical communication terminal provided in the present application, an electromagnetic wave generated by the optical module is directly radiated or is reflected several times until the electromagnetic wave enters a wave-absorbing pad. The wave-absorbing pad absorbs to the greatest extent an electromagnetic wave generated by a chip, and can reduce to the greatest extent electromagnetic interference (EMI) generated by the optical module. By means of the present disclosure, the sealing performance of a housing of the optical module can be improved, so that an EMI shielding effect is improved, thereby effectively reducing EMI.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: October 8, 2019
    Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.
    Inventor: Long Zheng
  • Method for equalization in a single carrier frequency division multiple access communication system
    Patent number: 10439849
    Abstract: A method and apparatus for equalization in a communication system. The method includes receiving an input of a block of symbols, filtering the input in the frequency domain, calculating an error factor in the time domain based on the filtered input, updating tap weights of the equalizer in the frequency domain using circular correlation based on the error factor and the conjugate of the input in the frequency domain, and outputting the filtered input.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 8, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Kabiru Akande, Naveed Iqbal, Azzedine Zerguine, Abdelmalek Zidouri
  • Single carrier frequency division multiple access communication system
    Patent number: 10432438
    Abstract: A method and apparatus for equalization in a communication system. The method includes receiving an input of a block of symbols, filtering the input in the frequency domain, calculating an error factor in the time domain based on the filtered input, updating tap weights of the equalizer in the frequency domain using circular correlation based on the error factor and the conjugate of the input in the frequency domain, and outputting the filtered input.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 1, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Kabiru Akande, Naveed Iqbal, Azzedine Zerguine, Abdelmalek Zidouri
  • Method, device, and system for the receiver-side determination of a scanning instant
    Patent number: 10432390
    Abstract: The present invention is directed to a method, an apparatus and a system for error-free detection of bit values which are transmitted using a continuous data signal. For this purpose, a particularly advantageous metric is proposed, which makes a conclusion possible as to an optimum time for sampling the data signal and thus makes it possible to detect the bit value unambiguously.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: October 1, 2019
    Assignee: Inova Semiconductors GmbH
    Inventor: Roland Neumann
  • Non-blocking, full-mesh data center network having optical permutors
    Patent number: 10425707
    Abstract: A network system for a data center is described in which a switch fabric provides full mesh interconnectivity such that any servers may communicate packet data to any other of the servers using any of a number of parallel data paths. Moreover, according to the techniques described herein, edge-positioned access nodes, optical permutation devices and core switches of the switch fabric may be configured and arranged in a way such that the parallel data paths provide single L2/L3hop, full mesh interconnections between any pairwise combination of the access nodes, even in massive data centers having tens of thousands of servers. The plurality of optical permutation devices permute communications across the optical ports based on wavelength so as to provide full-mesh optical connectivity between edge-facing ports and core-facing ports without optical interference.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: September 24, 2019
    Assignee: FUNGIBLE, INC.
    Inventors: Pradeep Sindhu, Satish Deo, Deepak Goel, Sunil Mekad
  • Control of timing for mixed-mode multicarrier modulation
    Patent number: 10425270
    Abstract: In one aspect, a wireless transmitter forms (1110) a first signal having a first integer number of symbol intervals in each of one or more time intervals of a predetermined length and forms (1120) a second signal having a second integer number of symbol intervals in each of the one or more time intervals of the predetermined length, the second integer number differing from the first integer number. The wireless transmitter simultaneously transmits (1130) the first and second signals in a frequency band, such that the first and second signals are frequency-domain multiplexed in the frequency band and such that a symbol interval starting time in the first signal is aligned with a corresponding symbol interval starting time in the second signal at least once per time interval.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: September 24, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Karl Werner, Robert Baldemair, Håkan Björkegren, Erik Dahlman, Stefan Parkvall