Plural Separate Collectors Patents (Class 455/272)
  • Patent number: 10612318
    Abstract: Inductive coupler assemblies for controlling the stray magnetic fields of an inductive coupler to reduce the associated losses are disclosed. This results in reduced attenuation (increased efficiency) of the inductive coupler even in the presence of gaps. The assembly includes an inductive coupler having a housing, a biasing element, and a retention mechanism. The assembly further includes a wire surrounded by a ring of flux channel material disposed in the housing. In some embodiments, the retention mechanism is adapted for removal of the inductive coupler from a pipe joint end. The biasing element may be a circumferential spring disposed between the housing and the pipe joint end. The retention mechanism may be a retention snap ring, press fit, or threaded, to removably couple the housing to the pipe joint end.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: April 7, 2020
    Assignee: Intelliserv, LLC
    Inventors: Darren Wall, Trent Hassell, Ted Christiansen, Craig Thorne, Sterling Beck, Anthony L. Collins, Gerald Minerbo, Charles Horton
  • Patent number: 10425860
    Abstract: Self-Organizing Network (SON) technology has been developed to make the planning, configuration, management, and self-healing of mobile networks easier and faster, where such planning, configuration and management of the mobile networks are targeted to optimize the value offered to a group of subscribers using criteria such as (a) subscriber type (consumer, corporate, IOT, etc.), (b) service type (mission critical, public safety, VoIP, etc.), (b) subscriber usage volume (high, medium, low), (c) subscriber's requested/subscribed QoS, and (d) subscriber's paying value (i.e., revenue). The same teachings can be extended to also optimize a single subscriber's service or a service type.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: September 24, 2019
    Assignee: NETSIA, INC.
    Inventors: Oguz Oktay, Arda Akman, Ali Ozer Ercan, Seyhan Civanlar
  • Patent number: 10348377
    Abstract: According to one embodiment of the present disclosure, a communication method of an AP using multiple antennas can be provided, comprising the steps of: setting two or more transmission descriptors including unit transmission information in which antenna combination information and transmission rate information are defined; transmitting a packet using one of the set transmission descriptors; receiving information indicating whether the transmitted packet is a success or not; and collecting the information indicating whether the transmitted packet is a success or not for a predetermined period to reset the transmission descriptors. In addition, an apparatus using the method can be provided.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: July 9, 2019
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Youngjip Kim, Seongwon Kim, Taejun Kim, Youngwook Son, Seungmin Yoo, Okhwan Lee, Woonkyun Lee, Jaehong Yi, Sunghyun Choi
  • Patent number: 10312973
    Abstract: The present disclosure discloses an antenna component, an electronic device and an antenna controlling method. The antenna component includes: multiple antenna structures, wherein at least one antenna structure acts as a master antenna, and at least one antenna structure acts as a diversity antenna; a control switch connected with the antenna structures; a radio frequency module, coupled to the antenna structures through the control switch; wherein the control switch is arranged to, according to transmit power of the at least one antenna structure acting as the master antenna and receive power of the at least one antenna structure acting as the diversity antenna, switch the at least one antenna structure acting as the master antenna to a diversity antenna, and switch the at least one antenna structure acting as the diversity antenna to a master antenna.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: June 4, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Yizhou Luo
  • Patent number: 10284393
    Abstract: A receiver and a method performed by the receiver for estimating first large-scale channel properties associated to a first channel of a first transmitter and a second large-scale channel properties associated to a second channel of a second transmitter are provided. The method includes receiving a first signal transmitted by the first transmitter and further receiving at least a second signal transmitted by the second transmitter. The first and the second transmitter are synchronized to a common synchronization reference, and the first signal and/or the second signal includes at least one reference signal. The method further includes jointly estimating the first and second large-scale channel properties based on the at least one reference signal, and associating the jointly estimated large-scale channel properties to the first channel associated to the first transmitter and to the second channel associated to the second transmitter.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 7, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventor: Stefano Sorrentino
  • Patent number: 10203425
    Abstract: A circuit includes a sensing circuit for a first antenna and a second antenna, the sensing circuit including an adjustable characteristic that is based on a proximity of an object to the first or second antenna used to transmit a transmit signal. An evaluation circuit is coupled to the sensing circuit. The evaluation circuit is configured to monitor the characteristic of the sensing circuit and to determine whether the characteristic fulfills a predetermined criterion.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: February 12, 2019
    Assignee: Intel Corporation
    Inventors: Mikko S. Komulainen, Saku Lahti
  • Patent number: 10199996
    Abstract: A high performance low noise amplifier integrated circuit having multiple low noise amplifiers enabling operation over a wide range for frequencies is disclosed. In particular, an auxiliary input is provided to the low noise amplifier integrated circuit that can be routed to one of several low noise amplifiers, each tuned to operate efficiently in different frequency ranges.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: February 5, 2019
    Assignee: pSemi Corporation
    Inventors: Emre Ayranci, Miles Sanner, Edward Nicholas Comfoltey
  • Patent number: 10193223
    Abstract: The beamforming system includes a plurality of beamformers operatively coupled to each other. Each beamformer includes a plurality of signal generation units and a plurality of respective delaying units. Each beamformer includes a plurality of multipliers assigned to each delaying unit. Each beamformer includes a plurality of summers configured to receive a respective group of conditioned signals from a respective group of the plurality of multipliers, combine the respective group of conditioned signals and generate a respective phased array output signal. Each of the summers is configured to receive at least another input other than the respective group of conditioned signals. The plurality of beamformers are interconnected such that each of the plurality of summers within each beamformer receives, as the at least another input, a respective phased array output signal from a summer of a different one of the plurality of beamformers. As associated method is also provided.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: January 29, 2019
    Assignee: General Electric Company
    Inventors: Markus Stahlberg, Alexander Freund, Alfred Wolsfeld
  • Patent number: 10149200
    Abstract: In one implementation, interference generated by a constellation of satellites is mitigated. Each satellite is configured to provide multiple beams that define a coverage footprint. Anticipated positions are determined for satellites. Based on the anticipated positions, a determination is made that, during a defined period of time, portions of a coverage footprint for a first satellite will be covered by coverage footprints for other satellites. Based on this, a beam assignment for the first satellite is defined in which a first subset of beams configured to provide coverage of a first portion of the first coverage footprint are inactive, and a beam assignment for a second satellite is defined in which a second subset of beams are active, where the second subset of beams provide coverage within the first portion of the first coverage footprint.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: December 4, 2018
    Assignee: Iridium Satellite LLC
    Inventor: Patrick Tatum
  • Patent number: 10149246
    Abstract: A wireless device includes a first antenna and a second antenna that may be used to communicate with a wireless network. The wireless device initiates a traffic call with a wireless network and activates a first antenna to be used to communicate with the wireless network upon initiating the traffic call. The wireless device selectively activates a second antenna, when initiating the traffic call, based at least in part on a usage of the second antenna during a previous traffic call. For example, the wireless device may maintain the second antenna in an inactive state if the second antenna was deactivated during the previous traffic call and/or remained inactive for at least a threshold duration.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: December 4, 2018
    Assignee: QUALCOMM Incoporpated
    Inventors: Vamsi Krishna Chaitanya Komati, Bhaskara Viswanadham Batchu, Raghu Movva
  • Patent number: 10141995
    Abstract: A method for selecting an antenna is provided. S1, whether a signal intensity of a default working antenna among multiple antennae of an electronic device is lower than a preset value is detected, when not, repeat S1, otherwise, proceed to S2. S2, whether a current operating environment of the electronic device is matched with a preset operating environment is detected, when yes, proceed to S3, otherwise, proceed to S5. S3, a first antenna of the multiple antennas is enabled as a working antenna, and the first antenna is located on the electronic device at a position that is least affected by the current operating environment. S4, whether a signal intensity of the first antenna is lower than the preset value is detected, when not, repeat S4, otherwise, proceed to S5. S5, an antenna with the highest signal intensity among the multiple antennas is enabled as the working antenna.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: November 27, 2018
    Assignee: SHENZHEN ROYOLE TECHNOLOGIES CO., LTD.
    Inventor: Xiang Zou
  • Patent number: 10045311
    Abstract: A method and apparatus for controlling a power level of a beacon signal including analyzing a beacon signal received from a beacon device, controlling a power level of a beacon signal transmitted to a beacon communication module of a user terminal through a user message generated by the user terminal, and providing service information based on information regarding a location where the user terminal is located in a shop and personal setting information of the user terminal. To this end, the user terminal may include a beacon signal analysis module configured to receive the beacon signal from at least one beacon device and analyze the received beacon signal, a beacon interoperating module configured to generate a user message on the basis of the analysis, and a transmission power control module configured to control transmission power according to a transmission power control message received from the management server.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: August 7, 2018
    Assignee: SK PLANET CO., LTD.
    Inventor: HyunWook Kim
  • Patent number: 9996221
    Abstract: Systems and methods allow a user to interact with an augmented reality device. In one implementation, a wearable device establishes a communication path with a user of the wearable device and at least one individual. The wearable device includes a display; at least one sensor configured to provide an output indicative of a viewing direction of the user; and at least one processing device. The at least one processing device is configured to monitor the viewing direction of the user based on the output of the at least one sensor; determine, based on the monitored viewing direction, whether the user is looking in the direction of the at least one individual; and establish the communication path between the user and the at least one individual if the user is determined to be looking in the direction of the at least one individual.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: June 12, 2018
    Assignee: Upskill, Inc.
    Inventors: Brian Adams Ballard, James Leighton Athey, Edward Robert English, Todd Richard Reily, Harold Ronald Villanueva Tagunicar, Michael Anthony Sciscenti
  • Patent number: 9843342
    Abstract: A tunable RF transmit/receive (TX/RX) multiplexer, which includes a tunable RF TX/RX diplexing circuit and a first group of RF RX bandpass filters, is disclosed. The tunable RF TX/RX diplexing circuit has a first RX connection node and a first antenna port, which is coupled to a first RF antenna. Each of the first group of RF RX bandpass filters is coupled to the first RX connection node. At least two of the first group of RF RX bandpass filters simultaneously receive and filter respective RF input signals via the first RX connection node to provide respective filtered RF input signals.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: December 12, 2017
    Assignee: Qorvo US, Inc.
    Inventor: Nadim Khlat
  • Patent number: 9831935
    Abstract: A method of communicating with a plurality of bands by using an electronic device including a plurality of antennas, an antenna system, and an electronic device is provided. The method includes providing a first or second band signal received via a first antenna to a first transceiver; receiving a first diversity signal for the second band signal via a second antenna and providing the received first diversity signal to a combiner via a signal divider connected to a second transceiver and the combiner; receiving a second diversity signal for the second band signal via a third antenna and providing the received second diversity signal to the combiner; and combining the first diversity signal and the second diversity signal in the combiner and providing the combined signal to a third transceiver connected to the third antenna.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seong Jun Song, Jin Kyung Kim
  • Patent number: 9813045
    Abstract: A precision frequency monitor provides a precision frequency monitor value (PFM) indicative of the precision of the frequency or period of an input reference signal. A first averaging module is responsive to the input reference signal to find an average frequency or period during successive predetermined time periods defining operational cycles. A second averaging module is responsive to an output of the first averaging module to average the output of the first averaging module over N operational cycles, where N is an integer, and output an updated PFM value every N operational cycles. An infinite impulse response (IIR) filter is responsive to the output of the first averaging module to filter the output of the first averaging module to output interim updated PFM values within each sequence of N operational cycles.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 7, 2017
    Assignee: Microseni Semiconductor ULC
    Inventor: Qu Gary Jin
  • Patent number: 9774485
    Abstract: Multiplex modules for use in carrier aggregation receivers are disclosed. In an exemplary embodiment, an apparatus includes an LNA multiplexer configured to receive a plurality of RF signals at a plurality of input terminals and to combine the RF signals into a combined RF signal that is output from an output terminal. The apparatus also includes an LNA demultiplexer configured to receive the combined RF signal at an input port that is connected to the output terminal and to distribute the combined RF signal to a plurality of output ports.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: September 26, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Aleksandar Miodrag Tasic, Chiewcharn Narathong, Christian Holenstein, Dongling Pan, Yiwu Tang, Rajagopalan Rangarajan, Lai Kan Leung
  • Patent number: 9774297
    Abstract: A double-balanced FET mixer may include: single-ended RF port that receives or delivers single-ended RF signal; RF balun that converts the received single-ended RF signal into differential RF signal or generates delivered single-ended RF signal from received differential RF signal; local oscillator input port receives local oscillator signal; direct IF port receives or delivers an IF signal; and at least two FETs process the local oscillator signal and generate or process the differential RF signal and IF signal. The mixer may have no IF balun separate and distinct from tRF balun; may receive an input signal at RF port and generates output signal at IF port. The mixer may receive input signal at IF port and generate an output signal at the RF port, the output signal in either case being plus or minus the local oscillator signal. The double-balanced FET mixer may operate with IF frequencies down to DC.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: September 26, 2017
    Assignee: LINEAR TECHNOLOGY CORPORATION
    Inventors: Xudong Wang, Thomas E. Schiltz, William B. Beckwith
  • Patent number: 9762266
    Abstract: A transceiver in a wireless device supporting carrier aggregation may include a correction module to generate a correction signal to attenuate intermodulation distortion associated with a first transmitted communication signal. In one embodiment, the correction signal may be added to the first transmitted communication signal (a victim signal) to reduce the intermodulation distortion caused by a second transmitted communication signal (an aggressor signal). The correction signal may be generated based on the aggressor signal. In another embodiment, the correction signal may equalize or pre-distort the first transmitted communication signal.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: September 12, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Haim Mendel Weissman, Ariel Yaakov Sagi
  • Patent number: 9654205
    Abstract: Various embodiments of systems, apparatus, and methods are described for assembling at least one transport stream from satellite transponder signals. In one example, the method includes capturing at least one satellite feed, the at least one satellite feed including a plurality of transponder signals; demodulating each of the plurality of transponder signals, each demodulated transponder signal corresponding to a transport stream including a plurality of input streams; parsing one or more selected streams from the plurality of input streams; assembling at least one new transport stream from the one or more selected streams; modulating the at least one new transport stream to generate at least one new transponder signal; adding the at least one new transponder signal to a channel stack; and transmitting the channel stack to a receiving device.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: May 16, 2017
    Assignee: ECHOSTAR TECHNOLOGIES L.L.C.
    Inventor: Paul Langer
  • Patent number: 9508075
    Abstract: A system that investigates, identifies and cancels fraudulent transactions comprises a fraud detection server that receives a first dataset indicating a quantity of fraud-transactions. The first dataset is generated at least in part by a fraud-score model. The system receives a second dataset including a quantity of false positive fraud-transactions from the fraud transactions. The system calculates a fraud error rate using the quantity of fraud-transactions and the quantity of false positive fraud-transactions. The system generates a new fraud-score model when the fraud error rate exceeds a predefined error rate.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: November 29, 2016
    Assignee: Cellco Partnership
    Inventors: Jonathan E. Geckle, Robert E. Arnold
  • Patent number: 9467193
    Abstract: A multi-band filter is disclosed. The multi-band filter includes: a housing including an antenna connector connected to an antenna and a plurality of input/output connectors inputting/outputting signals transmitted and received through the antenna depending on a preset frequency band; a plurality of band pass filter units provided in the housing and passing the signals in the preset frequency band therethrough between the antenna connector and the input/output connectors; and a coupling unit including a plurality of feeding parts so as to couple the antenna connector and each of the plurality of band pass filter units to each other.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: October 11, 2016
    Assignee: Innertron, Inc.
    Inventors: Hak-Rae Cho, Soo-Duk Seo, Moon-Bong Ko
  • Patent number: 9407269
    Abstract: An object is to provide a memory device which does not need a complex manufacturing process and whose power consumption can be suppressed, and a semiconductor device including the memory device. A solution is to provide a capacitor which holds data and a switching element which controls storing and releasing charge in the capacitor in a memory element. In the memory element, a phase-inversion element such as an inverter or a clocked inverter includes the phase of an input signal is inverted and the signal is output. For the switching element, a transistor including an oxide semiconductor in a channel formation region is used. In the case where application of a power supply voltage to the phase-inversion element is stopped, the data is stored in the capacitor, so that the data is held in the capacitor even when the application of the power supply voltage to the phase-inversion element is stopped.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: August 2, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Jun Koyama, Shunpei Yamazaki
  • Patent number: 9369188
    Abstract: A system and method are provided to trigger re-beamforming based on an algorithm that assesses various link characteristics. The algorithm is based on the ability of a 60 GHz receiving device to track and feedback a Received Signal Strength Indication (RSSI) to a 60 GHz data packet transmitter. By automatically analyzing RSSI values across a range of data packets, including consecutive data packets, a link degradation trend is predicted. When link degradation crosses, or is predicted to cross, a predetermined threshold, re-beamforming is triggered by the algorithm. Variables in the algorithm and the predetermined thresholds used by the algorithm can be automatically or manually modified to maintain a balance between appropriately triggering the re-beamforming when the conditions arise without unnecessarily triggering the re-beamforming thereby causing unneeded interruptions in regular data flow.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: June 14, 2016
    Assignee: INTEL CORPORATION
    Inventors: Guoqing Li, Dmitry Akhmetov
  • Patent number: 9362988
    Abstract: A user equipment (UE) may communicate over a first wireless wide area network (WWAN). The first WWAN may be supported by a first subscriber identity module (SIM) of the UE. The UE may also communicate simultaneously over a second WWAN supported by a second SIM. The UE may process the second WWAN communication with a portion of a WWAN module and a portion of a wireless local area network (WLAN) module.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: June 7, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Samir Salib Soliman, Bongyong Song, Brian Clarke Banister
  • Patent number: 9264178
    Abstract: A method for modifying a signal transmitted from a mobile communication device comprising perturbing a transmit diversity parameter from its nominal value by modulating the parameter with respect to the nominal value in alternating directions, receiving a feedback signal including feedback information relating to the modified signal as received at a feedback device, and based at least on the feedback information, adjusting the nominal value of the transmit diversity parameter by increasing, decreasing, or preserving the nominal value. The perturbations are selected to minimize phase discontinuities.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: February 16, 2016
    Assignee: Google Inc.
    Inventors: Haim Harel, Eduardo Abreu
  • Patent number: 9236897
    Abstract: A method for transporting communications signals includes receiving an analog IF signal at a first unit. The analog IF signal includes a first carrier having a first frequency and a first bandwidth and a second carrier having a second frequency different from the first frequency and a second bandwidth. The analog IF signal is converted to a digitally sampled IF signal having the first carrier located in a first Nyquist zone, the second carrier located in a second Nyquist zone, an image of the first carrier located in a third Nyquist zone, and an image of the second carrier located in the third Nyquist zone. The image of the first carrier and the image of the second carrier is transmitted from the first unit to a second unit, where the image of the first carrier and the image of the second carrier is then converted to the analog IF signal.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: January 12, 2016
    Assignee: Dali Systems Co. Ltd.
    Inventors: Shawn Patrick Stapleton, Wan-Jong Kim
  • Patent number: 9179470
    Abstract: A method for selecting the state of a reconfigurable antenna installed at either the receiver or transmitter of a communication system is provided. The proposed method uses online learning algorithm based on the theory of multi-armed bandit to perform antenna state selection. The selection technique utilizes the Post-Processing Signal-to-Noise Ratio (PPSNR) as a reward metric and maximizes the long-term average reward over time. The performance of the learning based selection technique is empirically evaluated using wireless channel data. The data is collected in an indoor environment using a 2×2 MIMO OFDM system employing highly directional metamaterial Reconfigurable Leaky Wave Antennas. The learning based selection technique shows performance improvements in terms of average PPSNR and regret over conventional heuristic policies.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: November 3, 2015
    Assignee: Drexel University
    Inventors: Nikhil Gulati, David Gonzalez, Kapil R. Dandekar
  • Patent number: 9130263
    Abstract: Disclosed are to a communication terminal and an antenna apparatus thereof. The antenna apparatus includes an antenna device including a feeding point to which a signal is applied; and at least one variable reactance device connected to the antenna device. The communication terminal determines a communication network to access to drive the antenna apparatus corresponding to the determined communication network, and accesses to the determined communication network through the antenna apparatus to communicate. Accordingly, a resonance frequency band of the antenna apparatus is expanded.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: September 8, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Chang Wook Kim
  • Patent number: 9112259
    Abstract: A multiband antenna, includes a main antenna, a coupling unit, and a matching unit. The main antenna includes a feed portion, a bent portion, a radiation portion, and an extending portion in a same plane. One end of the feed portion is connected to the coupling unit. The bent portion is perpendicularly connected to the other end of the feed portion. The radiation portion is parallel with the feed portion and perpendicularly connected to one end of the bent portion away from the feed portion. The extending portion is connected to one end of the radiation portion away from the bent portion, the coupling unit is parallel with the main antenna and connected to the matching unit, the matching unit feeds signals to and grounds the multiband antenna.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: August 18, 2015
    Assignee: FIH (Hong Kong) Limited
    Inventor: Shih-Chieh Lin
  • Patent number: 9026070
    Abstract: A low-power diversity receiver includes at least two receive paths, each of which is designated as a primary or secondary receive path. A primary receive path is compliant with system requirements (e.g., IS-98D requirements). A secondary receive path is not fully compliant with the system requirements and is designed for lower power, less area, and lower cost than the primary receive path. For a multi-antenna receiver, the two receive paths may be used to simultaneously process two received signals from two antennas. For a single-antenna receiver, either the primary or secondary receive path is selected, e.g., depending on whether or not large amplitude “jammers” are detected, to process a single input signal from one antenna. The receiver may include additional receive paths for additional frequency bands and/or GPS.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: May 5, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Charles J. Persico, Kevin Gard, Gurkanwal Kamal Sahota, Shinichi Miyazaki, Steven C. Ciccarelli
  • Patent number: 9014635
    Abstract: A multi-protocol, multi-band array antenna system may be used in Radio Frequency Identification (RFID) system reader and sensory networks. The antenna array may include array elements with an integrated low noise amplifier. The system may employ digital beam forming techniques for transmission and steering of a beam to a specific sensor tag or group of tags in a cell. The receive beam forming network is optimized for detecting signals from each sensor tag. Narrow and wideband interferences may be excised by an interference nulling algorithm. Space division multiplexing may be used by the antenna system to enhance system processing capacity.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: April 21, 2015
    Assignee: Mojix, Inc.
    Inventor: Ramin Sadr
  • Patent number: 9014750
    Abstract: A wireless communication device includes: a master terminal that includes an antenna element, an RF circuit, a control unit, and a MIMO processing unit connected with the RF circuit; and a slave terminal that includes an antenna element and an RF circuit. The slave terminal is connected with the master terminal via an interface that includes a high-frequency transmission path. The control unit can control the MIMO processing unit and each RF circuit, and controls the MIMO processing unit to perform a MIMO reception process based on an RF signal that is received by the master terminal and an RF signal that is received by the slave terminal and transmitted to the master terminal.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 21, 2015
    Assignee: NEC Casio Mobile Communications, Ltd.
    Inventor: Toshiya Todoroki
  • Patent number: 9014151
    Abstract: A method and apparatus for low-rate traffic signal transmission on Optical Transport Networks (OTN). The method includes: defining a frame format of the low-rate traffic optical channel data unit (ODU) signal for bearing the low-rate traffic signal; mapping the low-rate traffic signal to the low-rate traffic optical channel payload unit (OPU) of the low-rate traffic ODU signal, generating overhead bytes and filling the bytes in an overhead section of the low-rate traffic ODU to obtain the low-rate traffic ODU signal; multiplexing low-rate traffic ODU signals to an ODUk signal of which the rate matches the transmission rate rank of the OTN where the signal is transmitted, and transmitting the signal via the OTN. Based on this method, the invention provides an apparatus for the low-rate traffic signal transmission in the OTN as well. With this invention, the low-rate traffic signal transmission in the OTN can be implemented conveniently.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: April 21, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Shimin Zou
  • Patent number: 9002203
    Abstract: A method for data processing of an optical network element is provided, wherein a configuration information is received at the optical network element and a light signal is adjusted to a wavelength or wavelength range indicated by said configuration information; wherein an incoming optical signal is demodulated via the light signal and mixed as an electrical demodulated signal with a signal of an oscillator; wherein the signal of the oscillator is tuned to improve a reception of the incoming signal at the optical network element; and wherein the light signal is used for upstream modulation to provide a modulated optical upstream signal. Furthermore, an according device and a communication system are suggested including at least one such device.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: April 7, 2015
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Thomas Treyer, Karl Kloppe, Harald Rohde
  • Patent number: 8970070
    Abstract: A wireless power transmission unit according to the present invention transmits power wirelessly from a power transmitting section 100 to a power receiving section 200 through a resonant magnetic field. The unit includes: the power transmitting section 100, which resonates at a resonant frequency f0; at least one relay section 300, which can resonate at a frequency that is selected from multiple frequencies including the resonant frequency f0; and a resonance control section 600 that outputs information that specifies a resonance condition to be imposed on the relay section 300 according to the arrangement of the power receiving section 200 and that makes the relay section 300 resonate on the resonance condition that has been specified in accordance with that information.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: March 3, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tomokazu Sada, Hiroshi Kanno
  • Patent number: 8948686
    Abstract: Disclosed is a method for selecting a source transmit antenna in a cooperative multiple-input and multiple-output (MIMO) communication system including a source node, a relay node and a destination node. The method includes determining a source transmit antenna selection metric such that a source-destination channel, a source-relay channel and a relay-destination channel are related to one another, and selecting a positive integer number of antennas such that the source transmit antenna selection metric is maximized.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: February 3, 2015
    Assignee: Dongguk University Industry-Academic Cooperation Foundation
    Inventors: Dae Woon Lim, Dong-Joon Shin, Jong-Seon No, Xianglan Jin
  • Patent number: 8942659
    Abstract: A method for selecting the state of a reconfigurable antenna installed at either the receiver or transmitter of a communication system is provided. The proposed method uses online learning algorithm based on the theory of multi-armed bandit to perform antenna state selection. The selection technique utilizes the Post-Processing Signal-to-Noise Ratio (PPSNR) as a reward metric and maximizes the long-term average reward over time. The performance of the learning based selection technique is empirically evaluated using wireless channel data. The data is collected in an indoor environment using a 2×2 MIMO OFDM system employing highly directional metamaterial Reconfigurable Leaky Wave Antennas. the learning based selection technique shows performance improvements in terms of average PPSNR and regret over conventional heuristic policies.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: January 27, 2015
    Assignee: Drexel University
    Inventors: Nikhil Gulati, David Gonzalez, Kapil R. Dandekar
  • Patent number: 8934942
    Abstract: Base station arrangement (100) adapted to receive signals from a user station; adapted to be connected to or comprises a plurality of antenna elements (1, 1, 2, 2, . . . 4,) with antenna ports (11, . . . 11) and a signal processing unit (20). The base station (21) also comprises a signal pre-processing functional unit (30) to collect channel correlation information. It is adapted to establish if there is one or more distinguishing characteristics comprising different correlation properties of different configuration properties associated with the antenna elements. Antenna elements are then assigned to different groups based on said configuration properties, and the channel correlation information is used to generate weighting information which is applied to antenna ports connected to antenna elements to control the antenna ports connected to antenna elements to control the antenna element transmit power individually or groupwise.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: January 13, 2015
    Assignee: Telefonaktiebolaget L.M. Ericsson (publ)
    Inventors: Sven Petersson, Bjorn Johannisson
  • Patent number: 8923924
    Abstract: A system and method for processing antenna signals are provided. For example, the method includes, in a receive mode, weighting and combining signals from at least one low-band antenna radiator element operable over a first bandwidth, at least one high-band antenna radiator element operable over a second bandwidth at least partially overlapping the first bandwidth, and, in some examples, at least one antenna radiator element operable over one or more intermediate bandwidths. The method also includes, in a transmit mode, separating and weighting a full-band input port signal into at least one low-band sub-system output port signal, at least one high-band sub-system port output signal, and, in some examples, at least one intermediate sub-system output port signal operable over one or more overlapping intermediate bandwidths. The weighted combination and weighted separation cover an uninterrupted continuous full-band frequency whose extent covers the full frequency range of all subbands.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: December 30, 2014
    Assignee: Raytheon Company
    Inventors: Victor S. Reinhardt, Jar J. Lee, Fangchou Yang
  • Patent number: 8923792
    Abstract: A method for receiving a radio signal by a receiver including a 2-dimensional antenna array which consists of a plurality of antenna elements in a wireless communication system includes: dividing the plurality of antenna elements into a plurality of groups; determining a group-specific reception beam for each of the plurality of groups; applying the group-specific reception beam to a channel corresponding to each of the plurality of groups to acquire virtual channels respectively corresponding to the plurality of groups; and estimating channels respectively corresponding to the plurality of groups based on reference signals received through the virtual channels.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: December 30, 2014
    Assignee: LG Electronics Inc.
    Inventors: Hanjun Park, Jonghyun Park, Kijun Kim, Hanbyul Seo
  • Patent number: 8918062
    Abstract: Methods and apparatus are provided for allowing a transmitter (Tx) to perform antenna selection independently of a receiver (Rx) in a transceiver supporting both transmit diversity and receive diversity. Certain aspects may utilize a cross switch, which may be used in a parallel or cross configuration, to provide for the independent antenna selection, such that the Rx may maintain the ability to operate on the same antenna as the Tx, on another antenna, or on both antennas for enhanced receive diversity. Furthermore, certain aspects may employ additional switching in the baseband domain in an effort to avoid, or at least reduce, switching glitches in the Rx caused by changing the cross switch configuration. In this manner, the Rx need not re-converge upon antenna switching.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: December 23, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Christos Komninakis, Daniel F. Filipovic, Chengjin Zhang
  • Patent number: 8918072
    Abstract: A mobile wireless LAN communications device may include a portable, handheld housing, and a wireless LAN transceiver carried by the housing. A polarization diversity wireless LAN antenna may be included for cooperating with the wireless LAN transceiver to communicate over a wireless LAN. The polarization diversity wireless LAN antenna may include a first antenna element coupled to the wireless LAN transceiver having a first shape and a first polarization, and a second antenna element coupled to the wireless LAN transceiver having a second shape different from the first shape. The second antenna element may also have a second polarization different from the first polarization.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: December 23, 2014
    Assignee: BlackBerry Limited
    Inventors: Yihong Qi, Ying Tong Man, Perry Jarmuszewski, Adrian Matthew Cooke
  • Patent number: 8903346
    Abstract: A system includes a first external mounted amplifier (EMA) having a first low-noise amplifier (LNA) coupled to a first antenna, a second EMA having a second LNA coupled to a second antenna, a first splitter coupled between the first antenna and the first LNA, a first phase shifter coupled to the first splitter, and a second mixer coupled to the first phase shifter. The first LNA is operable to receive a first input signal from first antenna. The second LNA is operable to receive a second input signal from second antenna. The first splitter is operable to derive a first sampling signal from first signal. The first phase shifter is operable to shift the phase of first sampling signal to create a second cancelation signal. The second mixer is operable to mix a second input signal derived from second signal with second cancelation signal to create a second output signal.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: December 2, 2014
    Assignee: ADC Telecommunications, Inc.
    Inventors: Larry G. Fischer, David Willey, Chad Boeckman
  • Patent number: 8892143
    Abstract: A communication apparatus is provided. The communications apparatus includes multiple radio modules and a manager. Each of the radio modules is arranged to provide a predetermined wireless communications service in compliance with a predetermined protocol. The manager is arranged to handle a communication indication assessment procedure of the radio modules to obtain an assessment result. The communication indication assessment procedure is performed by at least one of the radio modules, and the assessment result is shared with all of the radio modules.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 18, 2014
    Assignee: Mediatek Inc.
    Inventors: Shuo-Jen Hsu, Wei-Lun Wan, Juei-Ting Sun
  • Publication number: 20140329483
    Abstract: Methods and apparatus for selecting one or more suitable antennas for use during power-up/initial acquisition and out of service modes are disclosed. In some examples, initial system acquisition may be performed for a particular receive circuit utilizing a selected one of a first antenna or a second antenna, based on a channel characteristic, such as an automatic gain control (AGC) value corresponding to a received signal energy utilizing either of the antennas. In another example, initial system acquisition utilizing either a receive diversity determination algorithm or an antenna switching determination algorithm may be performed based on a channel characteristic, such as an AGC value corresponding to a received signal energy utilizing one of the antennas coupled to one of the receive circuits.
    Type: Application
    Filed: October 29, 2013
    Publication date: November 6, 2014
    Applicant: QUALCOMM Incorporated
    Inventors: Troy Russell Curtiss, Vamsee Krishna Somavarapu, Gregory Robert Lie, Jun Hu, Alexey Semjonovs, Sundararaman Kunchithapatham, Stanley Suyi Tsai
  • Patent number: 8873660
    Abstract: A method and apparatus controls diversity reception in a wireless communication device. By determining a value based on a number of active set pilot signals received from a set of base stations, the wireless communication device dynamically enables or disables diversity reception. Diversity reception can be controlled by adjusting a diversity threshold based on the determined value. A channel quality indicator of a channel is measured and compared against the adjusted diversity threshold. The diversity reception mode is then enabled or disabled based on the comparison. For example, if the number of active pilot signals is above a predetermined value, indicating “good” coverage, the diversity threshold is decreased. The measured channel quality indicator is compared against the adjusted threshold, and diversity reception is enabled when the channel quality indicator is less than the decreased diversity threshold.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 28, 2014
    Assignee: Motorola Mobility LLC
    Inventors: Matthew F. Valentine, Steve L. Sheya
  • Patent number: 8868014
    Abstract: An antenna is provided having a good matching characteristics when immersed in a fluid such as saline water, oil, or other liquids (“the phantom liquid”). In some embodiments, the antenna provides a tight capacitive coupling with the phantom liquid through the use of a higher permeability cover and absence of a gap between the cover and the antenna body. One embodiment employs a tunably capacitively loaded inverted “F” antenna structure. Additional embodiments of the invention provide an antenna tuning system that saves power by utilizing very low duty cycle periodical refreshing charge at a tuning varactor diode coupled to the antenna.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: October 21, 2014
    Assignee: Olympus Corporation
    Inventor: Ivan Krivokapic
  • Publication number: 20140302807
    Abstract: An antenna array includes a plurality of radiating elements disposed on a layer that is situated above an egg crate structure that is formed of interconnected dielectric panels. In some embodiments, balun circuitry is disposed on at least some of the dielectric panels of the egg crate structure for use in feeding corresponding radiating elements of the array in a balanced manner. Ground plane blocks may also be coupled to some or all of the dielectric panels to provide circuit shielding and/or to form a ground plane for the array antenna.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 9, 2014
    Applicant: Raytheon Company
    Inventors: Jar J. Lee, Stan W. Livingston
  • Patent number: 8838027
    Abstract: A communication device comprising at least first and second antennas wherein a quality of communication between the communication device 2 and a further device 20 is assessed when using the at least first and second antennas 8, 10, 12 so as to select one of the at least first and second antennas for further communications between the communication device and the further device.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: September 16, 2014
    Assignee: QUALCOMM Incorporated
    Inventor: John Waters