Including Directive Communication System Patents (Class 342/367)
  • Patent number: 9438344
    Abstract: Novel tools and techniques providing for the robust wireless distribution of communications signals from a provider to multiple customer premises. Certain embodiments comprise one or more modular communications apparatuses which are located near to customer premises. The modular communications apparatuses features an enclosure which is, at least in part, transparent to radio frequencies. A modular communications apparatus also typically includes one or more communications radios or transmitter/receiver devices within the enclosure. The apparatus also includes at least one and possibly more than one antenna located within the enclosure along with wire or cable-based signal output apparatus.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: September 6, 2016
    Assignee: CenturyLink Intellectual Property LLC
    Inventor: Charles I. Cook
  • Patent number: 9413513
    Abstract: A first apparatus 101 and a second apparatus 102 carry out wireless data communication using a wireless transmission path that uses a plurality of physical links in parallel. In each of the apparatuses, input/output ports 111 to 113 input and output data. A plurality of wireless signal processing means 141 to 143 respectively control different ones of the physical links. The wireless signal processing means 141 to 143 respectively measure reception signal levels of the physical links, and notify a counterpart apparatus about the reception signal levels. Link aggregation control means 130 determines a priority for each of the physical links based on the signal level for each of the physical links. The packet transfer processing means 141 to 143 select, out of the physical links structuring the wireless transmission path, the physical link having a usable band of a prescribed capacity and high priority as the data recipient.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: August 9, 2016
    Assignee: NEC Corporation
    Inventor: Kohei Okazaki
  • Patent number: 9413445
    Abstract: A scheduling method for beamforming in a mobile communication system is provided. The scheduling method includes determining whether to transmit an aperiodic second training signal, using first feedback information for a first training signal that is periodically transmitted, the first feedback information being received from at least one Mobile Station (MS), and upon determining to transmit the second training signal, transmitting the second training signal to MSs selected using the first feedback information, and performing scheduling on DownLink (DL) data based on second feedback information for the received second training signal.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: August 9, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yung-Soo Kim
  • Patent number: 9407590
    Abstract: Systems and methods are disclosed for monitoring hashtags in micro-blog posts, or status updates, from users to provide one or more crowd-based features. In one embodiment, a micro-blog post of a user in a crowd of users is obtained. The crowd of users is a group of users within a predefined spatial proximity to one another. A hashtag in the micro-blog post is then obtained, and a crowd-based feature is provided based on the hashtag.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: August 2, 2016
    Assignee: WALDECK TECHNOLOGY, LLC
    Inventor: Kenneth Jennings
  • Patent number: 9407353
    Abstract: A process for measuring antenna gains of a transmitter for generating at least one radiation pattern of the antenna, the process including a plurality of transmissions of a test signal sent to a satellite to retransmit the test signal to a second terrestrial station, the transmissions being carried out according to different orientations, the test signal being spread spectrum modulated by a pseudo-random numerical sequence; a reception of each test signal; a demodulation of each test signal making it possible to measure the power of each test signal received; a comparison of each power with a first threshold; a generation of an encoding instruction aiming to encode a given number of sequences of data bits by at least one pseudo-random sequence.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: August 2, 2016
    Assignee: EUTELSAT S A
    Inventors: Antonio Arcidiacono, Daniele Vito Finocchiaro, Alessandro Le Pera, Fritz Schurig
  • Patent number: 9401756
    Abstract: A method for configuring a plurality of antennas in a wireless communication device, including using at least a plurality of representative antennas of the plurality of antennas to receive RF signals from a cell with a specific cell identity, determining a status of an RF environment corresponding to the wireless communication device according to the received RF signals, and selecting at least an antenna from the plurality of antennas for transmission or reception of following RF signals according to the status of the RF environment.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: July 26, 2016
    Assignee: Wistron NeWeb Corporation
    Inventors: Jimmy Tran, Wen-Jiun Lin, Yu-Min Ho, Wei-Lun Chang
  • Patent number: 9391361
    Abstract: A beamforming method is disclosed that includes performing sequential beam transmissions in multiple directions and receiving replies to the transmissions (i.e. a sector search). The received transmissions can include information or channel parameters such as direction of arrival, signal to noise ratio, signal strength, etc., for each sector. Utilizing the parameters transmitted or fed back by the receiver, the transmitter can store control vectors that dictate a beam that can be utilized to commence a beam refinement procedure. In addition, the parameters can be utilized to select and implement a custom sequence to refine the communication channel between the device and the controller. The custom sequence can significantly reduce the time required to create a channel with acceptable qualities such that efficient high speed network communications can be conducted. Other embodiments are also disclosed.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: July 12, 2016
    Assignee: Intel Corporation
    Inventors: Huaning Niu, Qinghua Li
  • Patent number: 9369971
    Abstract: In a system including at least one base station device, the base station device efficiently controls uplink signals. A mobile station device includes a path loss calculation unit 4051 configured to calculate path losses, each based on one of a plurality of types of reference signals received by a reception processing unit 401, a transmit power setting unit 4053 configured to set a desired transmit power for an uplink signal using the path losses calculated by the path loss calculation unit 4051, and a power headroom control unit 4055 configured to generate a power headroom using the desired transmit power set by the transmit power setting unit 4053, the power headroom being information concerning transmit power to spare, and configured to control transmission of the power headroom.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: June 14, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Daiichiro Nakashima, Wataru Ouchi, Shoichi Suzuki, Kimihiko Imamura, Yosuke Akimoto, Katsunari Uemura, Yasuyuki Kato
  • Patent number: 9345038
    Abstract: A method for scheduling pairs in a plurality of pairs of devices for pair communication in a telecommunication network, each pair of devices including a transmitter and a receiver. The method includes: allocating a different time interval to each of the transmitters for emitting training signals, the training signals allowing determining channel estimates; obtaining channel information from at least one receiver having received training signals emitted by at least one of the transmitters, the channel information being determined by the receiver by analysis of the received training signal, the channel information including a channel estimate of a channel between the receiver and the transmitter that emitted the received training signal; and scheduling for pair communication, in the same time interval, the pairs for which a quality indicator verifies a predefined criterion, the quality indicator being determined using channel estimates obtained from receivers of the pairs in the set.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: May 17, 2016
    Assignee: FRANCE TELECOM
    Inventor: Thomas Derham
  • Patent number: 9337969
    Abstract: A method, an apparatus, and a computer program product for operating a user equipment (UE) are provided. The apparatus determines a first set of beamforming directions for communication with a base station (BS) in a first network, monitors for beams in a second set of beamforming directions for communication with a millimeter wave base station (mmW-BS) based on the determined first set of beamforming directions, where the second set of beamforming directions includes the first set of beamforming directions, and where the mmW-BS is in a second network having a higher carrier frequency than the first network, and establishes a communication link with the mmW-BS based on a beamforming direction in the second set of beamforming directions.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: May 10, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanthan Raghavan, Sundar Subramanian, Ashwin Sampath, Junyi Li
  • Patent number: 9318799
    Abstract: Measures for fading-based control of an antenna radiation pattern. Such measures may comprise reception of at least one radio wave signal via an antenna unit, detection of fading conditions in relation to the received at least one radio wave signal, and control of an antenna radiation pattern of the antenna unit, at least in terms of antenna lobe width, on the basis of the detected fading conditions.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: April 19, 2016
    Assignee: BROADCOM CORPORATION
    Inventors: Seppo Olavi Rousu, Marko Autti
  • Patent number: 9306640
    Abstract: In adaptive modulation and coding scheme (MCS) selection for directional antenna systems, at least one table is defined that maps different ranges of signal quality values to different sets of MCS parameters. In some implementations, each range corresponds to a separate table (e.g., a given table will include the MCS and other information for that range of signal quality values). In the event an abrupt change in signal quality is detected (e.g., a change in received signal strength greater than or equal to a defined threshold), instead of using a conventional rate selection algorithm, a new MCS is selected through the use of the ranges from the table(s). In this way, a relatively large change in MCS may be accommodated, if warranted by the change in signal quality.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: April 5, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Zhanfeng Jia, Shu Du
  • Patent number: 9305019
    Abstract: A program storing computer-readable instructions therein for instructing a computer to perform analytical steps for associating user related data with a spatial hierarchy identifier, the program comprising a recording medium readable by the computer and the computer instructions stored on said recording medium instructing the computer to perform the processes including receiving user related data, determining the user that is associated with the user related data, determining the at least one location associated with the user, associating the at least one location with at least one first spatial hierarchy identifier, and associating the user related data with the at least one first spatial hierarchy identifier.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: April 5, 2016
    Assignee: Craxel, Inc.
    Inventor: David Enga
  • Patent number: 9231832
    Abstract: A communication system includes multiple communication nodes and a processor. The communication nodes are configured to communicate over a tropospheric scattering channel. The processor is configured to communicate with the communication nodes over a secondary communication network, different from the tropospheric scattering channel, so as to control communication of the communication nodes over the tropospheric scattering channel.
    Type: Grant
    Filed: December 29, 2013
    Date of Patent: January 5, 2016
    Inventor: Ahikam Aharony
  • Patent number: 9219535
    Abstract: A method for determining a beamforming vector or a beamforming channel matrix in a communication system including a transmitting station and a receiving station, and a communication system. The transmitting and receiving stations include respective antenna groups and respective codebooks include a plurality of predefined beamforming vectors for the antenna group.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: December 22, 2015
    Assignee: Fraunhofer-Gesellschaft Foerderung der angewandten Forschung e.V.
    Inventors: Wilhelm Keusgen, Michael Peter, Andreas Kortke
  • Patent number: 9160435
    Abstract: A system and method are provided for triggering re-beamforming in a 60 GHz communication link based on information collected from platform positional sensors associated with one or the other or both of the transmitters/receivers that constitute ends of the communication link. The disclosed systems and methods monitor various positional sensors that may be used to sense translational and rotational movement of at least one of the platforms on which at least one of the transmitters/receivers is mounted. Information provided by the positional sensors is processed to determine whether or not to trigger re-beamforming for link recovery in 60 GHz communication link. Information provided by the sensors may be used in combination with other link operating metrics, such as PER and RSSI, to make an intelligent determination whether to trigger re-beamforming.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: October 13, 2015
    Assignee: INTEL CORPORATION
    Inventors: Guoqing Li, Carlos Cordeiro, Bahareh Sadeghi, Ali S. Sadri
  • Patent number: 9054810
    Abstract: Novel tools and techniques providing for the robust wire-based plus wireless distribution of communications signals from a provider to multiple customer premises. Certain embodiments comprise one or more modular communications apparatuses which are located near to customer premises. The modular communications apparatuses features an enclosure which is, at least in part, transparent to radio frequencies. A modular communications apparatus also typically includes one or more communications radios or transmitter/receiver devices within the enclosure. The apparatus also includes at least one and possibly more than one antenna located within the enclosure along with wire or cable-based signal output apparatus.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: June 9, 2015
    Assignee: CenturyLink Intellectual Property LLC
    Inventor: Charles I. Cook
  • Publication number: 20150138017
    Abstract: A method and apparatus for beamforming in a wireless communication system are provided. The method of supporting beamforming in a wireless communication device includes detecting a direction change of the wireless communication device while communicating with a peer device. The method of supporting beamforming in a wireless communication device also includes adjusting a beam direction for communication with the peer device based on information indicating a direction change of the wireless communication device.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 21, 2015
    Inventors: Ohyun Jo, Jae-Hwa Kim, Sang-Hyun Chang, Chang-Yeul Kwon, Dong-Hwi Roh, Ji-Sung Oh
  • Publication number: 20150123849
    Abstract: An aircraft avionics system and method for automatically determining an aircraft position. The system and method determine distances to UAT or SSR ground stations. The system and method then determine the position of an aircraft by determining true bearings to SSR or UAT ground stations and determining the possible positions for the aircraft at which the aircraft is at respective bearings to each SSR or UAT ground station. An alternative system and method may determine distances based on timing signals in transmissions from the ground stations and determine one or more possible positions for the aircraft at which the aircraft is at the determined distances from respective ground stations. The system and method also may use dead reckoning or VOR or ADF signals to reduce the possible positions for the aircraft to a single possible position.
    Type: Application
    Filed: January 6, 2015
    Publication date: May 7, 2015
    Inventors: Dean E. Ryan, Daniel J. Schwinn, Edward A. Lester
  • Publication number: 20150116153
    Abstract: A system incorporating the subject disclosure may include, for example, a method including determining, by a communication device comprising a processor, a usage state of the communication device. The communication device includes selectable antennas, and the usage state includes an orientation of the communication device. The method also includes selecting a set of antennas according to the usage state, and obtaining an antenna gain pattern for an antenna in the selected set of antennas. The method further includes evaluating an expected performance of an antenna configuration corresponding to the selected set of antennas, relative to a performance of an existing antenna configuration. The method also includes initiating usage of the antenna configuration in accordance with improved performance relative to the existing antenna configuration. The antenna configuration comprises a polarization configuration, and the selected set of antennas comprises elements in different planes.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 30, 2015
    Inventors: Li Chen, Frank M. Caimi
  • Publication number: 20150071367
    Abstract: A method for determining a transmission direction for a communication of a network component of a radio communications network may include: determining a reference transmission direction based on a plurality of predetermined transmission directions that a network component of a radio communications network is configured to transmit at; selecting a plurality of candidate transmission directions in a spatial vicinity of the reference transmission direction, the plurality of candidate transmission directions being a subset of the plurality of predetermined transmission directions; and selecting a transmission direction for a communication of the network component from the reference transmission direction and the plurality of candidate transmission directions based on a selection criterion.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 12, 2015
    Inventors: Yeong-Sun Hwang, Huaning Niu, Holger Neuhaus
  • Publication number: 20150070215
    Abstract: A poly spiral antenna includes spiral antenna sections and interconnecting traces. A first spiral antenna section has a first interwoven spiral pattern and a first excitation configuration to provide a first radiation pattern component. A second spiral antenna section has a second interwoven spiral pattern and a second excitation configuration to provide a second radiation pattern component. A third spiral antenna section has a third interwoven spiral pattern and a third excitation configuration to provide a third radiation pattern component. The interconnecting traces couple the first, second, and third spiral antenna sections together such that the first, second, and third radiation pattern components form a radiation pattern of the poly spiral antenna.
    Type: Application
    Filed: September 30, 2013
    Publication date: March 12, 2015
    Applicant: BROADCOM CORPORATION
    Inventors: Nicolaos Georgiou Alexopoulos, Seunghwan Yoon, Alfred Grau Besoli
  • Publication number: 20150061930
    Abstract: Systems, devices, and methods for determining and applying true time delay (TTD) values for compensating for free-space path length differences between a phased array and a reflector in wideband communication are disclosed. TTD values are determined for individual and groups of antenna elements in phased array fed reflector (PAFR) antennas based distances from a focal region of the reflector. The distance from the focal region of the reflector and the offset of the phased array from the reflectors focal plane can be used to determine path length differences. Corresponding TTD values for antenna elements are then determined based on the path length difference associated with the antenna elements. Each antenna element can be coupled to a TTD element to provide the corresponding TTD value to the signals received by and generated by the antenna elements of the phased array. The TTD elements include transverse electromagnetic (TEM) mode mechanisms.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 5, 2015
    Applicant: VIASAT, INC.
    Inventor: Donald L. Runyon
  • Patent number: 8964642
    Abstract: Provided is a communication apparatus including a first wireless communication part capable of performing wireless communication according to a first communication scheme and a second wireless communication part capable of performing wireless communication according to a second communication scheme that uses a higher frequency band than the first communication scheme, wherein the second wireless communication part determines a reception timing to receive a beacon transmitted according to the second communication scheme based on a time when a predetermined control signal has been received by the first wireless communication part, and forms, at the determined reception timing, a reception beam having a directionality learned in advance.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: February 24, 2015
    Assignee: Sony Corporation
    Inventor: Yuichi Morioka
  • Publication number: 20150048975
    Abstract: The present invention discloses a wireless electronic device including an adaptive antenna device, a wireless communication module and a processing unit. The adaptive antenna includes a horizontal antenna module arranged to transmit data in a plurality of certain horizontal directions and a vertical antenna module arranged to transmit data in a plurality of certain vertical directions. The processing unit enables the wireless communication module to enable the horizontal antenna module to scan signals along the certain horizontal directions to obtain a horizontal scan result when the wireless electronic device is powered up. The processing unit further determines whether at least one electronic device is available in at least one of the certain horizontal directions according to the horizontal scan result, and enables the horizontal antenna module and the vertical antenna module to directionally transmit data to the electronic device in the certain horizontal directions.
    Type: Application
    Filed: November 5, 2013
    Publication date: February 19, 2015
    Applicant: Wistron NeWeb Corp.
    Inventors: Yung-Fa HO, Ching-Po CHIU, Chia-Wei LIN
  • Publication number: 20150048976
    Abstract: The application relates to a portable electronic system comprising a first electronic device and an auxiliary device. The first electronic device comprises a first antenna defining a first spatial direction, and a first wireless unit operationally coupled to the first antenna. The auxiliary device comprises a second antenna defining a second spatial direction, the second antenna comprising a multitude of antenna elements, each defining a specific spatial direction, a second wireless unit operationally coupled to the second antenna, a direction detector configured to provide a direction-signal indicating an estimate of a current value of said second spatial direction relative to a reference direction, and a control unit configured to selectively control the connection of said multitude of antenna elements of the second antenna to said second wireless unit based on said direction-signal from the direction detector.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 19, 2015
    Inventors: Morten Elo PETERSEN, Thomas GLEERUP, Troels ANDERSEN
  • Publication number: 20150048974
    Abstract: An antenna for directional electronic communication and a directional communication system are provided. In one embodiment, the antenna includes: (1) a protective shell, (2) a Luneberg lens located within the protective shell and (3) multiple radio frequency signal conveyors located proximate a portion of the Luneberg lens and configured with the Luneberg lens to transmit radio frequency signals within a defined region or receive radio frequency signals that originate within the defined region.
    Type: Application
    Filed: February 25, 2013
    Publication date: February 19, 2015
    Applicant: ATR ELECTRONICS
    Inventor: ATR ELECTRONICS
  • Publication number: 20150029056
    Abstract: A wireless communication device includes: a directional antenna configured to wirelessly receive data from the wireless communication device which is a connection partner; a processing unit configured to perform a first detection process of controlling a directivity direction of the directional antenna and detecting a first direction which is a direction of a radio wave generation source other than the wireless communication device and a second detection process of controlling the directivity direction of the directional antenna and detecting a second direction which is a direction of the wireless communication device; and a control unit configured to set a directivity angle of the directional antenna to a narrower angle when the second detection process is performed by setting the directivity direction of the directional antenna in a vicinity of the first direction.
    Type: Application
    Filed: October 13, 2014
    Publication date: January 29, 2015
    Applicant: OLYMPUS CORPORATION
    Inventor: Masaharu Yanagidate
  • Patent number: 8929818
    Abstract: A user-controlled method for modifying the radiation of a wireless device (1) in one or more volumes used for in-house communications, comprising user-selecting this one or more volumes (10, 10?, 10?, 10??, 10IV) while holding the orientation of this wireless device (1) modifying the intensity of this radiation in one or more directions so as to control the radiation in this user-selected one or more volumes (10, 10?, 10?, 10??, 10IV). The invention allows the user to define volumes or regions where radiation should be modified, e.g. reduced, and one or more temporal intervals in which this radiation should be reduced.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: January 6, 2015
    Assignee: Swisscom AG
    Inventors: Andreas Jarosch, Carolin Latze, Thomas Zasowski
  • Publication number: 20150002336
    Abstract: In one embodiment, a first communication is transmitted from a transmitting node in a network using a mesh routing protocol. The first communication is received at a particular node in the network. Based on the first communication, a directional attribute is computed. Based on the directional attribute, a particular direction is computed. Then, a second communication is transmitted from the particular node using a beam forming technique in the second direction.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Pascal Thubert, Patrick Wetterwald
  • Publication number: 20140375501
    Abstract: A reconfigurable antenna element is controlled using a wirelessly powered and wirelessly activated switch, where the antenna element is part of an antenna or antenna array. A control signal for reconfiguring the antenna element is embedded into a wirelessly transmitted data signal for transmission by the antenna.
    Type: Application
    Filed: June 19, 2013
    Publication date: December 25, 2014
    Inventor: Pavel Nikitin
  • Patent number: 8917208
    Abstract: A system and method of training antennas for two devices having heterogeneous antenna configurations in a wireless network is disclosed. The method includes communicating one or more estimation training sequences between two devices via a phased array antenna and a switched array antenna, wherein a beamforming vector of the phased array antenna is switched between phase vectors within a set of weight vectors while the switched array antenna is switched within a plurality of antenna sectors. The method further includes tuning at least one of the phase array and switched array antennas with an antenna parameter selected based at least in part on the one or more estimation training sequences. The method further includes communicating data messages via at least one of the phase array and switched array antennas so tuned.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: December 23, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Huaning Niu, Pengfei Xia, Chiu Ngo
  • Publication number: 20140354478
    Abstract: In a communication system including a transmission apparatus which includes a transmission antenna capable of changing a direction of directivity and a reception apparatus which includes a reception antenna capable of changing a direction of directivity, one of the transmission apparatus and the reception apparatus obtains the time of arrival of a radio wave for each of a plurality of pairs of the directions of directivity of the transmission antenna and reception antenna, and extracts a plurality of pairs of the directions of directivity to be used for communication so that the difference between the time of arrival for one of the pairs and the time of arrival for another one of the pairs is not shorter than a predetermined time.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 4, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Makoto Umehara
  • Patent number: 8897712
    Abstract: Some demonstrative embodiments include devices, systems and/or methods of wireless communication via multiple antenna assemblies. For example, a device may include a wireless communication unit to transmit and receive signals via one or more quasi-omnidirectional antenna assemblies, wherein the wireless communication unit is to transmit, via each quasi-omnidirectional antenna assembly, a plurality of first transmissions, to receive, in response to the first transmissions, a plurality of second transmissions from another device via one or more of the quasi-omnidirectional antenna assemblies, and, based on the second transmissions, to select at least one selected transmit antenna assembly for transmitting to the other device and a selected receive antenna assembly for receiving transmissions from the other device. Other embodiments are described and claimed.
    Type: Grant
    Filed: September 15, 2013
    Date of Patent: November 25, 2014
    Assignee: Intel Corporation
    Inventors: Menashe Sofer, Assaf Kasher
  • Patent number: 8884819
    Abstract: This invention discloses directional antenna systems, antenna combining and transmission antenna selection mechanism for wireless communication terminals such mobile handsets, mobile embedded laptops, mobile CPEs (Customer premises equipment), nomadic wireless CPEs, fixed wireless terminals and etc. The disclosed systems and methods only require analog circuitry and compass readings therefore are easy to implement and well fit into the current wireless terminals architectures. The inventive systems and methods resolve the problem that a directional antenna may not receive properly when user turn around and the antenna direction is deviated from transmitter; the inventive systems and methods further reduce the interference caused by omni antenna systems by selecting a directional antenna for transmit.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: November 11, 2014
    Inventor: Shiquan Wu
  • Publication number: 20140327576
    Abstract: Various embodiments described herein are directed to methods and systems for multibeam adaptive antenna architectures for recovering user signals in the coverage area of the antenna in the presence of interference sources. For example, various embodiments may utilize an architecture comprised of an array of antenna feeds, an RF to baseband conversion subsystem, a bank of digital beamformers, a channelization subsystem, a bank of weighted combiners, and a bank of demodulators for the demodulation and detection of user signals. The multiple beamformers introduce nulls in the direction of interference sources based on distinct adaptive algorithms for providing different antenna beam patterns after adaptation. Various other embodiments may utilize architecture for providing the directions of the interference sources or intentional jammers.
    Type: Application
    Filed: February 7, 2013
    Publication date: November 6, 2014
    Inventor: Rajendra Kumar
  • Publication number: 20140327577
    Abstract: A high gain multi-beam aircraft blade antenna of an air-to-ground antenna systems includes multiple columnar matrix antenna elements housed within a blade. The elements are arranged to create independently steerable directed beams. A first independently steerable beam is used to provide communication. A second independently steerable beam is used to simultaneously search other signals.
    Type: Application
    Filed: September 20, 2013
    Publication date: November 6, 2014
    Applicant: QUALCOMM Incorporated
    Inventors: Ernest Tadashi Ozaki, Mohammad Ali Tassoudji, Allen Minh-Triet Tran, Ahmad Jalali
  • Publication number: 20140292577
    Abstract: A communication device 1 (transceivers 400) transmits a training signal from its own transmitting antenna while performing beam scanning, and a communication device 2 (transceivers 500) receives this training signal in a state where a quasi-omni pattern is generated in its own receiving antenna. Further, the device 1 transmits a training signal in a state where a quasi-omni pattern is generated in the transmitting antenna, and the device 2 receives this training signal by the receiving antenna while performing beam scanning. The device 1 and 2 detects, from respective reception results, transmitting-antenna-setting candidates of the device 1 and receiving-antenna-setting candidates of the device 2, and determines antenna-setting pairs (combinations of antenna-setting candidates). The above-described processes are also performed for a receiving antenna of the device 1 and a transmitting antenna of the device 2. The device 1 and 2 communicates by using the obtained antenna-setting pairs.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Applicant: NEC CORPORATION
    Inventors: Kenichi HOSOYA, Kenichi MARUHASHI, Naoyuki ORIHASHI
  • Publication number: 20140285378
    Abstract: An antenna is provided. The antenna includes a first radiator, a second radiator, a current feeder configured to supply power to at least one of the first radiator and the second radiator, and an adjuster configured to adjust transceiving directions of electromagnetic waves transmitted and received to and from the first radiator and the second radiator to be perpendicular to each other.
    Type: Application
    Filed: March 20, 2014
    Publication date: September 25, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Won-bin HONG, Kwang-hyun BAEK, Young-ju LEE
  • Publication number: 20140266895
    Abstract: A novel wide null forming system achieves both wide bandwidth and beam width null through employing an antenna array to receive and transmit signals to which a complex null weight vector, calculated by perturbation program, is applied. The novel wide null forming system includes a multiple-element antenna array for receiving or transmitting signals. Multiple conditioning units matching the number of elements is present to condition the signals for proper reception and analysis, after which a series of complex multiplier processors adds complex weights. After being weighted each constituent beam is combined in an adding processor to form one composite beam for use by the user.
    Type: Application
    Filed: June 2, 2014
    Publication date: September 18, 2014
    Applicant: SPATIAL DIGITAL SYSTEMS, INC.
    Inventors: Donald C.D. Chang, Yulan Sun, Yuanchang Liu
  • Publication number: 20140266894
    Abstract: A method includes pointing a receive beam of a retro-directive antenna array attracted to a jammer circuit instead of a remote transmitter away from the jammer circuit toward the remote transmitter by a first angle based on coarse manual means therefor implemented in electronic circuitry associated with the retro-directive antenna array. The electronic circuitry includes a number of mixers, each of which is configured to mix a Local Oscillator (LO) signal generated from a Voltage Controlled Oscillator (VCO) with a signal received at an antenna element of the retro-directive antenna array. The method also includes automatically fine pointing the receive beam toward the remote transmitter by a second angle following the coarse pointing thereof by the first angle such that the receive beam exactly points to, and tracks, the remote transmitter. The automatic fine pointing is effected through a secondary automatic servo loop implemented in the electronic circuitry.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventors: Irshad Rasheed, Christopher T. Schiller
  • Publication number: 20140266889
    Abstract: A method includes separating phase of Local Oscillator (LO) signals generated by individual Voltage Controlled Oscillators (VCOs) of a coupled VCO array through varying voltage levels of voltage control inputs thereto. The method also includes frequency multiplying an output of each individual VCO of the coupled VCO array to increase a range of phase differences between the phase separated LO signals generated by the individual VCOs. Further, the method includes mixing the frequency multiplied outputs of the individual VCOs with signals from antenna elements of an antenna array to introduce differential phase shifts in signal paths coupled to the antenna elements during performing beamforming with the antenna array.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventor: Christopher T. Schiller
  • Publication number: 20140266893
    Abstract: A method includes receiving a remote transmitter signal at an antenna array including a number of antenna elements, mixing the received signal with in-phase and quadrature-phase Local Oscillator (LO) signals from Voltage Controlled Oscillators (VCOs) of a coupled VCO array, and configuring each Phase Locked Loop (PLL) of a number of PLLs to receive an in-phase output of the mixing corresponding to a VCO and a quadrature-phase output of the mixing corresponding to another VCO adjacent to the VCO as inputs thereto. The method also includes feeding back an output of the each PLL to the VCO, driving the in-phase and the quadrature-phase outputs of the mixing from a transmit modulator, and transmitting, in a direction of the remote transmitter, an antenna array signal based on the driving. Further, the method includes sensing a servoed state related to LO phase relationships and holding thereof during the transmission of the signal.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventors: Irshad Rasheed, Christopher T. Schiller
  • Publication number: 20140266892
    Abstract: A method includes implementing a coupled Voltage Controlled Oscillator (VCO) array with a number of VCOs, and mixing Local Oscillator (LO) signals generated through the number of VCOs of the coupled VCO array with signals from antenna elements of an antenna array to introduce differential phase shifts in signal paths coupled to the antenna elements during performing beamforming with the antenna array. The method also includes accommodating differential coupling between the VCOs to improve immunity to noise and/or interference during the beamforming compared to the VCOs accommodating single-ended coupling therebetween.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventor: Christopher T. Schiller
  • Publication number: 20140266890
    Abstract: A method includes separating phase of Local Oscillator (LO) signals generated by individual Voltage Controlled Oscillators (VCOs) of a coupled VCO array through varying voltage levels of voltage control inputs thereto. The method also includes coupling the individual VCOs of the coupled VCO array to one another in a closed, circular configuration to increase phase difference between the phase separated LO signals generated by the individual VCOs compared to a linear configuration of the coupled VCO array. Further, the method includes mixing outputs of the individual VCOs of the circular coupled VCO array with signals from antenna elements of an antenna array to introduce differential phase shifts in signal paths coupled to the antenna elements during performing beamforming with the antenna array.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventors: Christopher T. Schiller, Jonathan Kennedy
  • Publication number: 20140266891
    Abstract: A method includes injecting a reference input signal into each Voltage Controlled Oscillator (VCO) of a number of VCOs forming a coupled VCO array to reduce a level of injection energy required therefor. The reference input signal is configured to control operating frequency of the coupled VCO array. The method also includes utilizing a phase shift circuit: between individual VCOs of the coupled VCO array and/or in a path of injection of the reference input signal into one or more VCO(s) of the individual VCOs, and mixing outputs of the number of VCOs with signals from antenna elements of an antenna array to introduce differential phase shifts in signal paths coupled to the antenna elements during performing beamforming with the antenna array. Further, the method includes reducing a phase-steering requirement of the coupled VCO array during the beamforming based on the utilization of the phase shift circuit.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Inventors: Christopher T. Schiller, Jonathan Kennedy
  • Publication number: 20140253378
    Abstract: Systems and methods for providing a MIMO capable antenna with unique properties are provided herein. In some embodiments, a 4×4 MIMO capable antenna is provided with unique properties. Circular polarization from the antennas ensures that both vertical and horizontal polarizations are energized to the full extent provided by local regulations. A system includes a radio and a plurality of antennas coupled to the radio, the plurality of antennas servicing a broadcast area that has a 360 degree coverage area. Each of the plurality of antennas transmits and receives in an isolated sub-sector of the 360 degree coverage area.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Inventor: Brian L. Hinman
  • Publication number: 20140253380
    Abstract: An active retrodirective wireless communication apparatus is provided. The active retrodirective wireless communication apparatus can extend a communication range by enabling communication with a wide area user who is not able to communicate via an omnidirectional antenna, by alternately operating a plurality of active retrodirective antennas during a time interval for performing omnidirectional communication among a plurality of local area users, and a time interval for performing directional communication to a specific wide area user.
    Type: Application
    Filed: December 5, 2013
    Publication date: September 11, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Jung-Pil CHOI
  • Patent number: 8810451
    Abstract: The present invention discloses a communication antenna automatic orientation apparatus and method, wherein the apparatus comprises: a target base station geographical storage for storing the corresponding relation between the spatial location information on the air lane and the identifier of a target base station; a sensor for confirming current spatial location information of the aircraft; an aircraft spatial orientation sensor for confirming a current spatial orientation of the aircraft; a master controller for confirming a target direction of a directional antenna according to the current spatial location information, the corresponding relation and the current spatial orientation and sending an instruction carrying the target direction; an automatic antenna directional system for receiving the instruction and driving the directional antenna according to the target direction so as to enable the directional antenna to receive a signal from a ground base station in the target direction; a wide aperture anten
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: August 19, 2014
    Assignee: ZTE Corporation
    Inventors: Weihao Xie, Jiahui Zhou, Yue Ma
  • Publication number: 20140218236
    Abstract: A system and method are provided for using location services available from other radios in a multi-radio system to assist a beamforming mechanism, particularly in establishing and maintaining mmWave communication link. A majority of wireless client devices for use in a mmWave communication link are equipped with multiple radios. Many of the “other” radios include technologies that support location based services, including GPS, Wi-Fi and cellular communications. One or more non-mmWave in one device is used to provide relative location information regarding the other device with which the mmWave communication link is to be established. The relative location information is used to derive a direction for communication, and to compute beamforming parameters, in a limited set of transmit/receive sectors where the destination device is likely to be found, in order to streamline the beamforming process.
    Type: Application
    Filed: December 15, 2011
    Publication date: August 7, 2014
    Inventors: Bahareh B. Sadeghi, Carlos Cordeiro, Guoqing Li, Vallabhajosyula Zulu Somayazulu