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| Number | Title | Issue Date |
| 8169368 | Method, apparatus and computer program for updating antenna beam angles of a directional antenna of wireless device Antenna beam angles of one or more directional antennas of a wireless device are updated to communicate with a plurality of other wireless devices. Each one of the antenna beam angles is associated with one of the plurality of other wireless devices. At least one an... | 05/01/2012 |
| 8145422 | System and method for obtaining map coordinates to fixed location A method for obtaining directions to fixed location such as a restaurant includes using a telephone to call the restaurant, and providing a prompt to the caller during the call to push a button on the telephone to download GPS location of the restaurant. The GPS inf... | 03/27/2012 |
| 8115677 | Transmitter and receiver-side processing of signals transmitted or received with a smart antenna For transmitter-side processing of information it is decided in which direction of transmission signals for a receiver are to be transmitted, the direction of transmission being a linear combination of one of a number of antenna directional diagrams corresponding to... | 02/14/2012 |
| 8081110 | Association in contention access period Certain aspects of the present disclosure relate to a method for association in contention access periods and to a method for multi-cycle training in channel time allocation periods. ... | 12/20/2011 |
| 8054223 | Quasi-omni training in channel time allocation period Certain aspects of the present disclosure relate to a method for association in contention access periods and to a method for multi-cycle training in channel time allocation periods. ... | 11/08/2011 |
| 8026849 | Systems and methods for three dimensional antenna selection and power control in an ad-hoc wireless network A system (105) determines a power level for transmitting to a neighboring node in a wireless network. The system (105) receives a message indicating a three-dimensional position and orientation of the neighboring node and a type of directional antenna ... | 09/27/2011 |
| 8013790 | Transmitting device, receiving device and method for establishing a wireless communication link A method for establishing a wireless communication link between a first communication device having a beam antenna to be steered to different positions and a second communication device. The method includes transmitting a link request signal from the first communica... | 09/06/2011 |
| 7978134 | System and method for efficient transmit and receive beamforming protocol with heterogeneous antenna configuration 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 ... | 07/12/2011 |
| 7916081 | Beamforming in MIMO systems A beamforming method comprises transmitting a training sequence from a transmitter array employing a set of beamforming vectors from a beamforming codebook. A receive array employs a combining codebook to acquire channel state information from the received transmiss... | 03/29/2011 |
| 7916080 | Antenna system for communicating with mobile devices Systems and methods for providing network access to mobile devices that travel with a vehicle, such as a train, a bus, a boat, etc. along or adjacent to a relatively fixed path that may extend over a large geographic area. Mobile devices access the network through s... | 03/29/2011 |
| 7859458 | Transmitting device, receiving device and method for establishing a wireless communication link A method for establishing a wireless communication link between a first communication device having a beam antenna to be steered to different positions and a second communication device. The method includes transmitting a link request signal from the first communica... | 12/28/2010 |
| 7852265 | Wireless area network compliant system and method using a phase array antenna A wireless area network communication system comprising at least one phased array antenna frame, a phased array antenna circuit connected to the at least one phased array antenna frame wherein said phased array circuit and said at least one phased array antenna fram... | 12/14/2010 |
| 7737890 | Method and device for transmitting signals in a wireless communication system, receiving device for receiving signals in a wireless communication system, with a special frame structure The present invention relates to a method for transmitting signals in a wireless communication system, in which signals are transmitted from a first communication device to a second communication device, said signals being transmitted in consecutive frames, each fra... | 06/15/2010 |
| 7652624 | Millimeter-wave communication stations with directional antennas and methods for fast link recovery Embodiments of millimeter-wave communication stations with directional antennas and methods for fast link recovery are generally described herein. Other embodiments may be described and claimed. In some embodiments, a transmitting station retransmits a packet in an ... | 01/26/2010 |
| 7642961 | Remote control antenna positioning system An antenna positioning system comprises a first antenna system, a second antenna system, and a computer system. The computer system determines azimuths and elevations for the antenna systems to point at one another. The computer system retrieves license data for the... | 01/05/2010 |
| 7551135 | Transmitting device, receiving device and method for establishing a wireless communication link The present invention comprises a method for establishing a wireless communication link between a first communication device (1) having a narrow beam antenna (2) adapted to be steered to different positions and a second communication device (10)... | 06/23/2009 |
| 7511663 | Method and device for transmitting signals in a wireless communication system, receiving device for receiving signals in a wireless communication system, with a special frame structure The present invention relates to a method for transmitting signals in a wireless communication system, in which signals are transmitted from a first communication device to a second communication device, said signals being transmitted in consecutive frames, each fra... | 03/31/2009 |
| 7440758 | Cell planning methods and apparatus, and networks configured based on same Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby r... | 10/21/2008 |
| 7430257 | Multicarrier sub-layer for direct sequence channel and multiple-access coding Carrier Interferometry (CI) provides wideband transmission protocols with frequency-band selectivity to improve interference rejection, reduce multipath fading, and enable operation across non-continuous frequency bands. Direct-sequence protocols, such as DS-CDMA, a... | 09/30/2008 |
| 7418238 | Mote networks using directional antenna techniques A mote network having and/or using one or more directional antennas. ... | 08/26/2008 |
| 7406336 | Method for determining transmit weights The present invention relates to beamforming in a multi-carrier multi-user communication system applying an adaptive method for determining transmit weights for the various antenna beams. A set of complex transmission weights is adapted in response to appropriate fe... | 07/29/2008 |
| 7389086 | Adaptive array antenna controller An adaptive array antenna controller is disclosed that adaptively controls weighting coefficients of multiple antenna elements of an array antenna based on a digital signal outputted from an analog-to-digital converter receiving a weighted analog signal received fro... | 06/17/2008 |
| 7388540 | Ad hoc large scale directional networks A method for transmitting data from a transmitter to a receiver in an ad hoc large scale directional network includes the followings steps. A first training sequence is sent by a transmitter in an ad hoc directional network. The first training sequence is received b... | 06/17/2008 |
| 7382275 | Mobile enforcement reader A mobile enforcement reader (MER) includes an antenna, a reader coupled to receive signals from the antenna and a control/display unit (CDU) coupled to the reader. The CDU selects a receive direction and processes signals provided thereto from the reader. When the M... | 06/03/2008 |
| 7382316 | Method for controlling a radio transmission At least one radiation pattern is rotated at a first radio station for the purpose of sampling a predefined angular range. At a first time of rotation, a second radio station is detected with a first angular position within the angular range corresponding to the fir... | 06/03/2008 |
| 7372911 | Beam forming and transmit diversity in a multiple array radio communications system A method and apparatus are provided for selecting transmission parameters for multiple transmit antenna arrays. In one embodiment, the invention includes receiving a signal from a remote radio, measuring the transmit coherency of the received signal, selecting, base... | 05/13/2008 |
| 7372894 | Method of processing a signal by a radio receiver and radio receiver for the implementation of the method In a spread spectrum digital radiocommunication receiver, a first estimate of a symbol transmitted by a sender is calculated by applying to a radio signal received a processing taking into account a number N of propagation paths from the sender, a parameter of relia... | 05/13/2008 |
| 7366473 | Method and apparatus for diversity switching control A method and apparatus for diversity switching control are generally described herein. According to one embodiment, a diversity control network is introduced which effectively reduces the number of coaxial cables required to interface with N antennas from the conven... | 04/29/2008 |
| 7362259 | Radar antenna array For suppressing secondary lobes in pulsed radar systems, the antenna characteristics of the transmitting antenna and the receiving antenna are designed so that the dominant secondary lobes appear mutually offset and their maximums and minimums are mutually suppresse... | 04/22/2008 |
| 7352323 | Positional information determining apparatus A positional information determining apparatus capable of reducing power consumption markedly in simple structure in radio transmission of positioning results to a navigation device. Satellite waves S1 to S4 are received from a plurality of GPS satelli... | 04/01/2008 |
| 7349458 | Linear receivers for time-hopping impulse radio systems In a time-hopped impulse radio system, each symbol is transmitted over a channel having different multipath components as a set of Nf frames. Each frame includes one pulse. All frames of a received signal corresponding to the symbol are sampled to generat... | 03/25/2008 |
| 7340254 | Measurement opportunities for a mobile unit operating with a switched beam antenna in a CDMA system Measurement opportunities are provided to a wireless transmit/receive unit (WTRU) operating with a switched beam antenna in a CDMA wireless communication system. The switched beam antenna is a smart antenna generating a plurality of directional beams and an omni-dir... | 03/04/2008 |
| 7340001 | Multidimensional signal modulation and/or demodulation for data communications Systems and methods are described for multidimensional signal modulation and/or demodulation for data communications. A method includes modulating a carrier signal in a first domain selected from the group consisting of phase, frequency, amplitude, polarization and ... | 03/04/2008 |
| 7340279 | Wireless communications with an adaptive antenna array Systems and techniques for parallel demodulation and searching using an adaptive antenna array with a processor configured to control the adaptive antenna to search for a first signal with the first beam and to receive a second signal for demodulation with a second ... | 03/04/2008 |
| 7340281 | Method and system for enhancing reception of wireless communication signals A method and system is disclosed for enhancing reception of wireless communication signals. A beam pattern including at least one set of beams is generated. Where the beam pattern includes at least two sets of beams, the beam sets may be offset with respect to each ... | 03/04/2008 |
| 7333055 | System and method for microwave imaging using an interleaved pattern in a programmable reflector array An antenna array for use within a microwave imaging system includes a plurality of reflecting antenna elements, each capable of being programmed with respective phase-shifts in a first pattern to direct a first beam of microwave radiation towards a first target, and... | 02/19/2008 |
| 7333835 | Method and apparatus for providing user specific downlink beamforming in a fixed beam network The disclosed embodiments relate to a system and method for providing user specific beams in a fixed beam network. In one embodiment, there is provided a mobile transceiver comprising a first device configured to receive phase reference signal data from a base stati... | 02/19/2008 |
| 7333774 | Method of optimizing wireless communication links using stored channel characteristics of different locations Techniques for location-assisted wireless communication use real-time location(s) of wireless transceiver(s) together with stored location-indexed channel information to improve communication over a wireless channel between the transceiver(s). The stored channel inf... | 02/19/2008 |
| 7327797 | Orthogonal frequency division multiplexing (OFDM) receiving device for forming beam with uneven width by channel property, communication device using the same, and method thereof An OFDM receiving device for adjusting a beam formation azimuth through a plurality of antennas, a communication device using the same, and a method thereof. The OFDM communication device having a plurality of individually-aligned antennas includes a receiving signa... | 02/05/2008 |
| 7324064 | Passive anti-jamming antenna system System and method for improving the interference resistance of an radio frequency (RF) antenna system through passive prescreening of the RF energy incident upon the antenna. The invention physically partitions the RF environment into two or more sectors with respec... | 01/29/2008 |
