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Document Title |
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7596387 |
System for efficiently covering a sectorized cell utilizing beam forming and sweeping
A primary station for a wireless communication system transmits and receives communications within a sectorized cell with at least one secondary station. The primary station transmits and receives...
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7565172 |
Adaptive antenna reception method and device
An adaptive antenna receiver whose follow-up performance is improved with respect to the angle change of the arrival direction of a desired signal. An antenna weight adaptive update section ( 11 -...
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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...
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7535419 |
Method for data exchange between military aircraft and device for carrying out this method
A device for user data transmission implemented in an aircraft for transmitting user data to a relay aircraft. The device includes a controllable directional antenna arrangement and an antenna...
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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...
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7486174 |
System and method for adaptive motion sensing with location determination
A system and method for adaptive motion sensing with location determination is described. In one embodiment, the adaptive motion sensor is based on vibration sensor readings and can identify...
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7483719 |
Method for grouping transmission antennas in mobile communication system including multiple transmission/reception antennas
Disclosed is a method for configuring transmission antenna groups in a mobile communication system with multiple transmission antennas and multiple reception antennas. The method includes the steps...
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7460834 |
Method and apparatus for utilizing a directional beam antenna in a wireless transmit/receive unit
A method and apparatus for utilizing a switched beam directional antenna in a wireless transmit/receive unit (WTRU) is disclosed. A wireless communication system includes a serving cell, a neighbor...
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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...
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7418238 |
Mote networks using directional antenna techniques
A mote network having and/or using one or more directional antennas.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7324817 |
Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern
A wireless communication method and apparatus for selecting and reselecting cells used by a wireless transmit/receive unit (WTRU) in a wireless multi-cell communication system. The WTRU includes a...
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7313417 |
Transceiver for a base station with smart antenna and a switched beamforming method in downlink
Disclosed is a transceiver for a base station with a smart antenna having a plurality of antennas. The transceiver comprises: a multipath searching unit for searching multipath delay information...
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7313409 |
Method and apparatus for transmit power control during beam switching
A method and apparatus for transmit power control (TPC) while switching a beam among a plurality of beams in a wireless communication system. An antenna array generates a plurality of directional...
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7308264 |
Method for identifying pre-candidate cells for a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system
Measurements for identifying pre-candidate cells are made by a wireless transmit/receive unit (WTRU) operating with a switched beam antenna in a wireless communication system. The switched beam...
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7289827 |
Method and apparatus for performing directional re-scan of an adaptive antenna
An antenna for use with a receiver in a wireless communications system includes antenna elements for generating antenna patterns, and a first module for applying weights to a signal received at...
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7289556 |
Apparatus and method for compensating signal attenuation based on an equalizer
An apparatus and a method for compensating signal attenuation based on an equalizer. The apparatus Includes an auto gain controller, an analog-to-digital converter and an auto-gain-control mapping...
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7274936 |
Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unit
A method and apparatus for measuring a channel quality in wireless transmit/receive units (WTRUs) which are equipped with a subscriber based smart antenna. The WTRUs are equipped with a smart...
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7248217 |
Average EIRP control of multiple antenna transmission signals
A method of controlling multiple antenna signal transmission is disclosed. The method includes adjusting signal parameters so that transmission signals from a plurality of antennas combine to form...
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7218955 |
Method for deciding tilt angle of antenna in radio communication system and apparatus for deciding the same
The purpose of the present invention is to provide a tilt angle deciding method and a system wherein tilt angles to diminish the deterioration rate of the entire system can be obtained in the radio...
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7218273 |
Method and device for boresighting an antenna on a moving platform using a moving target
A technique for boresighting an antenna mounted on a moving platform is described. The technique uses a concurrently moving calibration target. Target navigation data and platform navigation data...
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7129890 |
Dynamic beamforming for ad hoc networks
A method, a node and a machine-readable medium are provided for dynamically adjusting a beam of an adaptive antenna array ( 302 ). A receiving node ( 101 ) receives, via a group of antenna array...
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7127182 |
Efficient optical transmission system
A transmitter for optical communication systems includes a source of optical radiation, a source of complex non-information signals, and a modulator unit in communication with the source of optical...
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7085541 |
Systems and methods for directional antenna power control in a wireless network
A node ( 105 - 1 ) determines a power level for transmitting to a neighboring node ( 105 - 2 ) in a wireless network ( 100 ). The node ( 105 - 1 ) receives one or more messages indicating a...
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7075902 |
Apparatus, method, and computer program product for wireless networking using directional signaling
The present invention provides a method, apparatus, and a computer program product for selective directional wireless communication. The apparatus comprises a computer system with a directional...
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7062294 |
Downlink transmission in a wireless data communication system having a base station with a smart antenna system
A method, device, and machine readable medium to communicate from a base station having a smart antenna system to a user terminal. The method includes providing a downlink channel for transmitting...
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7061427 |
Directional antenna physical layer steering for WLAN
A technique for steering a directional antenna such as may be used in a Wireless Local Area Network (WLAN) device. The technique detects signal parameters during reception of short sync pulses in...
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7054664 |
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, the fixed beam network comprising a plurality of fixed beams, each of the...
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7046965 |
Radio receiver and receiving method for controlling the beam-width of an antenna
A radio receiver is provided with a beam-width-variable antenna that receives a radio signal and is capable of changing the beam-width; an interference canceler for removing interference waves from...
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7034759 |
Adaptive receive and omnidirectional transmit antenna array
An adaptive antenna used in a receive only mode with a separate omnidirectional transmit antenna. The arrangement is especially effective for small, handheld wireless devices. The transmit antenna...
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7010304 |
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....
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6999794 |
Transmission of a common pilot channel from a beamforming transmit antenna array
A method and apparatus are provided that allows beamforming to be used on a user-specific signal together with a sector-wide pilot signal in a communication system, such as a CDMA system. In one...
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6968212 |
Base station apparatus that directively transmits a modulated packet signal to a priority destination and packet transmission method thereto
Priority determining section 107 determines priority of each communication terminal apparatus based on the information indicating the channel quality of the downlink. Transmission destination...
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6963305 |
Electromagnetic coupler system
This invention makes it possible to communicate through solid non-metallic walls or ceilings with low microwave power levels. RF beam forming couplers are driven by common networks. For connection...
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6959047 |
Training-based channel estimation for multiple-antennas
The burden of designing multiple training sequences for systems having multiple transmit antennas, is drastically reduced by employing a single sequence from which the necessary multiple sequences...
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6850741 |
Method for selecting switched orthogonal beams for downlink diversity transmission
A scheme for selecting two beams in a switched beam antenna system for providing downlink communications in a downlink channel, the switched beam antenna system providing uplink reception and...
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6845244 |
Directivity control type communication apparatus and adaptive array antenna apparatus
The present invention relates to a method for adaptively controlling a transmission radiation pattern. Radio signals coming through a plurality of paths are received and demodulated for each path....
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6836674 |
Method of controlling directional antenna and apparatus of the same
Disclosed is a control apparatus capable of more effectively utilizing radio resources. Mobile stations positioned close to each other are treated as one group, and a direction and width (radiation...
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6836242 |
Method and apparatus providing general spherical search pattern, and all sub-sets thereof, for acquisition
Disclosed is a method, apparatus and a computer readable media that provide an ability for a first platform and a second platform to obtain information that is descriptive of a relative location of...
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6816115 |
Systems and methods for antenna selection in an ad-hoc wireless network
A system selects an antenna for transmitting data from a node ( 105 - 1 ) in an ad-hoc, multi-hop, wireless network ( 100 ). The system receives a message from another node ( 105 - 2 ) of the...
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6785559 |
System for efficiently covering a sectorized cell utilizing beam forming and sweeping
A communication system transmits and receives communications within a sectorized cell between at least one primary station and at least one secondary station. The communication system includes a...
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