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Class 455/63.4 - Directional antenna


Subclass of Class 455 - Telecommunications
Definition: Subject matter in which a focus beam is provided in a
No. of patents: 231
Last issue date: 05/08/2012


1            
NumberTitleIssue Date
8175532Apparatus and method for wireless communication via at least one of directional and omni-direction antennas
Techniques for using at least one of omni-directional and directional antennas for communication are described. A station may be equipped antenna elements selectable for use as an omni-directional antenna or one or more directional antennas. The station may select t...
05/08/2012
8131221Method and system for processing multipath signals to suppress interface utilizing a programmable interface suppression module
Multipath signals are processed to suppress interference utilizing a programmable interface suppression module. One or more circuits that are operable to retrieve at least a portion of stored data from a memory, wherein the stored data corresponds to signals receive...
03/06/2012
8095074Wireless communication device and method for controlling beam to be transmitted
A controller controls the direction of a beam to be transmitted toward a correspondent wireless communication device to transmit a first wireless signal to the correspondent wireless communication device, and controls the direction of the beam within a predetermined...
01/10/2012
8086182Programmable antenna with programmable impedance matching and methods for use therewith
A wireless transceiver includes a programmable antenna, that is configurable to a selected one of a plurality of antenna configurations, based on a control signal. An antenna interface is coupled to the programmable antenna. An RF transceiver section can include at ...
12/27/2011
8078113Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method
An adaptive antenna control method is used for a radio communication system built by a plurality of radio base stations and a plurality of terminal stations capable of communicating with the radio base stations. Each radio base station includes an adaptive antenna h...
12/13/2011
8073392Transmitter architecture based on antenna parasitic switching
The invention is a radio transmitter that includes an antenna having at least one driven element and at least one reflector element. The driven element is electrically coupled to a radio carrier source. At least one of the driven elements or the at least one reflect...
12/06/2011
8055199Methods and systems for co-channel interference cancellation in wireless networks
Certain embodiments of the present disclosure relate to methods for mitigating interference of signals transmitted to a mobile station (MS) from a plurality of neighboring base stations. By applying a proposed spatio-frequency modulation (SFM) technique at a serving...
11/08/2011
8045926Multi-transceiver architecture for advanced Tx antenna monitoring and calibration in MIMO and smart antenna communication systems
Exemplary embodiments of system and method are provided for measuring signal amplitude, phase and/or delay offsets between multiple transmit signals fed through the transmit signal processing chains and wirelessly transmitted over the transceive antennas of separate...
10/25/2011
8019285Wireless communication device
A wireless communication device which permits reduction in the scale of circuitry as well as in the power consumption. The wireless communication device includes an array of antennas, an adaptive array searcher, and a data demodulator. The adaptive array searcher de...
09/13/2011
7970356Method of estimating location of terminal in switched-beamforming based wireless communication system
A terminal location estimation method in a wireless communication system in which an access point (AP) provides an access service to a plurality of terminals includes defining a plurality of beam spaces around the AP through space multiplexing; scheduling the beam s...
06/28/2011
7953372Directional antenna sectoring system and methodology
Methods and systems for packet-by-packet directional mobile wireless transmission utilizing plurality of directional antenna sectors, such that, the transmission of each packet is performed by at least one selected antenna sector. The direction of transmission is se...
05/31/2011
7929914Mote networks using directional antenna techniques
A mote network having and/or using one or more directional antennas. ...
04/19/2011
7917092Beam selection apparatus and method in voice over internet protocol over switched beam wireless local area network
An apparatus and a method for improving packet transmission and reducing latency in VoIP over WLAN using switched beam antennas having multiple directional antenna beams are disclosed. In an access point having a switched beam antenna, or other smart antenna system,...
03/29/2011
7873320Dynamic antenna control
Undesired interfering signal sources within a wireless communication network disturb the radio communication between radio base stations and mobile stations. The invention presents a method and device wherein the beam pattern of an antenna, comprising two or more se...
01/18/2011
7856208Dynamic antenna control
Undesired interfering signal sources within a wireless communication network disturb the radio communication between radio base stations and mobile stations. The invention presents a method and device wherein the beam pattern of an antenna, comprising two or more se...
12/21/2010
7729662Radio communication method in a wireless local network
A method for radio communication in a wireless local area network including at least one transceiver equipped with an antenna with a controlled directivity pattern, according to which, in addition to the assignment in advance of the threshold value of communication ...
06/01/2010
7725080Mote networks having directional antennas
A mote network having and/or using one or more directional antennas. ...
05/25/2010
7668510Transmitting/receiving apparatus and transmitting/receiving method
A transmitting/receiving apparatus wherein a decision of performing SDM communication accompanied by a directivity control is correctly performed to improve the transmission efficiency. In the apparatus, a channel estimating part (205) performs channel estima...
02/23/2010
7636552Point-to-multipoint communications system and method
A point-to-multipoint communications system. The system uses an antenna to generate a single beam having independently steerable, narrow lobes. The phase array and amplitude array distributions used to form the lobes are controlled so that the lobes track and provid...
12/22/2009
7596354Optimizing polarization of forward link
A mechanism that enables a gateway to dynamically determine which of two transmission signal polarizations is best received by a wireless communication device having a nominally linear antenna. A first pilot and second pilot signals, having different polarizations a...
09/29/2009
7587173Antenna steering for an access point based upon spatial diversity
A method for operating an access point in a wireless local area network is provided, wherein the access point includes a directional antenna for communicating with at least one remote station. The method includes communicating with a selected remote station using a ...
09/08/2009
7570921Systems and methods for improving range for multicast wireless communication
Methods to optimize range of multicast signal communication in wireless communication applications that use range-enhanced techniques for directed signal communication. A multicast signal may be sent multiple times through each of a plurality of independent omnidire...
08/04/2009
7509096Wireless access point setup and management within wireless local area network
A Wireless Local Area Network (WLAN) processing component includes a network interface and a processor. The network interface interfaces the WLAN processing component to a plurality of Wireless Access Points (WAPs) of the WLAN, at least some of the plurality of WAPs...
03/24/2009
7499673Configurable diversity antenna system for wireless access points
A configurable antenna system and method of implementing is disclosed, having particular use with a wireless access point of the type used with a wireless local area network. The antenna system includes an antenna arrangement for selectively varying between first an...
03/03/2009
7460834Method 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 cell and a WTRU. The WTRU is configured to generate and steer a dire...
12/02/2008
7457587Method and apparatus for forming array antenna beam of mobile terminal
A method for forming an array antenna beam of a mobile terminal periodically compares transmit/receive characteristics of a three-dimensional adaptive beam with transmit/receive characteristics of an omnidirectional beam periodically. A beam direction having better ...
11/25/2008
7437159Method and system for overcoming pilot pollution in a wireless communications network
An apparatus and method for overcoming pilot pollution in a wireless communications network. The apparatus boosts a preferred pilot signal within a geographical area that is suffering from pilot pollution. The boosted pilot signal is stronger than the pollution in t...
10/14/2008
7430399Broadcast receiver receiving broadcasts utilizing variable directional antenna
A broadcast receiver is connected to a variable directional antenna qualified as an antenna capable of modifying a reception direction of a broadcast wave. When arriving at a prestored timing, the broadcast receiver executes channel search utilizing the variable dir...
09/30/2008
7428406Data transfer method for halting communication of data when a transfer gap is detected
A data transfer method via a packet oriented channel and a continuous channel in parallel between a mobile station and a base station, where the transfer via the continuous channel is interrupted whereby at least one transfer gap is formed. ...
09/23/2008
7425928Method and apparatus for frequency selective beam forming
A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to an active antenna element. Weighting structures are connected to passive antenna elements positioned substantially equidistan...
09/16/2008
7420955Wireless communication device capable of switching antennas according to data transmission information on network
A wireless communication device includes a housing, and a wireless communication module installed inside the housing. The wireless communication module includes a plurality of WLAN units, and each WLAN unit includes at least one antenna for receiving and emitting ra...
09/02/2008
7420507Phased array antenna systems with controllable electrical tilt
A phased array antenna system with controllable electrical tilt generates two signals V2a and V2b with variable relative delay therebetween. The signals are converted into antenna element drive signals by a power distribution network. The...
09/02/2008
7418238Mote networks using directional antenna techniques
A mote network having and/or using one or more directional antennas. ...
08/26/2008
7400860Method and apparatus for increasing data throughput
Methods and apparatus for using primary direction of data flow to increase data throughput are disclosed. A wireless cell and/or client detects noise sources, detects the channels used by the noise sources, determines the primary direction of data flow, and selects ...
07/15/2008
7395030Adaptive control apparatus
An adaptive control apparatus that adaptively controls directivity of an array antenna is disclosed. The adaptive control apparatus that can be used by a radio apparatus and a receiver includes a setting unit configured to set up parameters such as the distance betw...
07/01/2008
7394796Wireless access point service coverage area management
A Wireless Local Area Network (WLAN) infrastructure includes a wired backbone network, an air controller, and a plurality of wireless access points (WAPs). Each WAP includes a processor, a wired backbone interface, a first radio, a directional antenna, a second radi...
07/01/2008
7382315System for and method of improving beyond line-of-sight transmissions and receptions
A radio system can be configured as a beyond line-of-sight system and includes a number of antennas, a number of phase adjusters and a transmitter/receiver unit. Each of the phase adjusters can be associated with a respective antenna of the antennas. The antennas ca...
06/03/2008
7379759MIMO wireless communication system and wireless communication apparatuses
A MIMO wireless communication system and wireless communication apparatuses are disclosed that increase the practically usable communication channel capacity in the Shannon channel capacity that determines the ratio of maximum signal transmission speed to frequency....
05/27/2008
7379708Mobile receiver
A mobile receiver apparatus is provided where its antenna directivity is controllably determined for improving the response to a desired signal as it moves and its surrounding geographical features and thus its environment for signal reception are varied. The mobile...
05/27/2008
7373176Coordination of beam forming in wireless communication systems
A method and system for coordinating the use of beam forming between two communicating entities in a wireless communication system is disclosed. The two entities may communicate control information regarding their respective use of beam forming. A correction factor ...
05/13/2008
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