Matches 1 - 50 out of 169 1 2 3 4 >


Match Document Document Title
US20090161605 COOPERATIVE MIMO IN MULTICELL WIRELESS NETWORKS  
A method and system for cooperative multiple-input multiple output (MIMO) transmission operations in a multicell wireless network. Under the method, antenna elements from two or more base stations...
US20060189355 System for efficiently providing coverage of a sectorized cell for common and dedicated channels 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...
US20050272472 Wireless communication method and system for forming three-dimensional control channel beams and managing high volume user coverage areas  
A wireless communication system and method generates and shapes one or more three-dimensional control channel beams for transmitting and receiving signals. Each three-dimensional beam is directed...
US20150111614 Flexible Multi-Sector Multiple Antenna System  
A radio access network having multiple sectors comprises two or more sector transmitters serving respective sectors for transmitting data to mobile stations; a plurality of antennas, each antenna...
US20090111381 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...
US20100151908 Method and apparatus for converting between a multi-sector, omni-base station configuration and a multi-sector base station configuration  
A base station includes multiple sector antenna units. Each sector antenna unit has an antenna for receiving a carrier signal associated with an antenna frequency in an available frequency band....
US20080287163 Method and apparatus for converting between a multi-sector, omni-base station configuration and a multi-sector base station configuration  
A base station includes multiple sector antenna units. Each sector antenna unit has an antenna for receiving a carrier signal associated with an antenna frequency in an available frequency band....
US20070225043 SYSTEMS AND METHODS FOR CALCULATING HEIGHT ABOVE AVERAGE TERRAIN  
A computer-based program performs calculations to analyze, vary, test, manage, and/or improve the performance of channels and/or frequencies in the communication spectrum. The program varies...
US20060264184 Method and apparatus for selecting a beam combination of multiple-input multiple-output antennas  
A method and apparatus for selecting a beam combination of multiple-input multiple-output (MIMO) antennas are disclosed. A wireless transmit/receive unit (WTRUs) includes a plurality of antennas...
US20060234777 Flexible multi-sector multiple antenna system  
A radio access network having multiple sectors comprises two or more sector transmitters serving respective sectors for transmitting data to mobile stations; a plurality of antennas, each antenna...
US20060084475 Mobile communication systems, mobile communication methods, base stations, mobile stations, and signal transmission methods in the mobile communication systems  
A mobile station is configured to measure receiving qualities of respective signals from a first antenna and a second antenna of a base station (S3, S5), store the results of the measurement, and...
US20050250544 Base station, mobile terminal device and method for implementing a selective-per-antenna-rate-control (S-PARC) technique in a wireless communications network  
A method is described herein that enables a Selective-Per-Antenna-Rate-Control (S-PARC) technique to be effectively implemented in a wireless communications network (e.g., HSPDA third generation...
US20050037822 Antenna steering method and apparatus for an 802.11 station  
A method or apparatus steers a directional antenna for a station to communicate with an Access Point (AP) in an 802.11 protocol system. The method or apparatus may include setting the directional...
US20120178502 Method for Selecting Antennas in a Wireless Networks  
A method transmits data from a user equipment (UE) including a transceiver having a set of available antennas. The method selects a subset of antennas from the set of available antennas; and...
US20080132282 METHOD, SYSTEM, BASE STATION, AND USER EQUIPMENT FOR DETERMINING DELAY VALUE OF CYCLIC DELAY DIVERSITY  
Methods, systems, BS and UE for determining Cyclic Delay Diversity delay value are disclosed. One method includes obtaining an optimal CDD delay value in the precoding codebook for obtaining the...
US20070243831 Wireless communication system  
A transmitting apparatus forms a plurality of transmission beams by using a plurality of antennas. Transmission beams, the correlation of which is low and the reception quality of which is high,...
US20140213322 ANTENNA APPARATUS  
An antenna apparatus is provided, including: an antenna component that is arranged on a passive side of the antenna apparatus; a radio frequency unit that is arranged on an active side of the...
US20120220339 Base Station for a Cellular Communication System  
A base station for a cellular communication system is provided. The base station includes a transceiver and a phased-array antenna. The phased-array antenna includes a plurality of sectors, each...
US20100234071 VEHICLE INTEGRATED COMMUNICATIONS SYSTEM  
A novel and useful vehicle integrated communications system that provides a solution to the poor performance experienced at the cell edge in a cellular communications system due to weak signal...
US20100069122 Communication Characteristic Control Method, Pilot Control Method, Base Station And Mobile Station  
A control method in a mobile communication system comprising an antenna group including a plurality of antennas each transmitting different antenna identification information includes assigning...
US20070191068 Wireless LAN technologies for reducing interference between or among wireless LAN access points  
A wireless LAN technology for reducing interference between (or among) wireless LAN access points is provided. A wireless LAN access point is provided with a directional antenna, an interference...
US20060079287 Wireless LAN technologies for reducing interference between or among wireless LAN access points  
A wireless LAN technology for reducing interference between (or among) wireless LAN access points is provided. A wireless LAN access point is provided with a directional antenna, an interference...
US20060079286 Wireless LAN technologies for reducing interference between or among wireless LAN access points  
A wireless LAN technology for reducing interference between (or among) wireless LAN access points is provided. A wireless LAN access point is provided with a directional antenna, an interference...
US20160181693 Method And Apparatus For Interference Suppression In Orthogonal Frequency Division Multiplexed (OFDM) Wireless Communication Systems  
A method and apparatus for interference suppression in wireless communication systems, especially Orthogonal Frequency Division Multiplexed (OFDM) systems, is presented. The array apparatus...
US20080090617 Display control for cellular phone  
A control system for a mobile device comprises a proximity sensing module that generates a proximity signal based on a sensed proximity of the mobile device to an external object. A comparing...
US20070117513 Wireless communication system, weight control apparatus, and weight vector generation method  
Signals received by a plurality of antenna elements are supplied to a beam forming circuit via a distributor. The beam forming circuit weights and combines the signals to output a reception signal...
US20120108297 ANTENNA DEVICE FOR A RADIO BASE STATION IN A CELLULAR TELEPHONY SYSTEM  
The invention discloses an antenna device for a radio base station in a cellular telephony system, which comprises a first and a second input connection for a first (D1) and a second (D2) data...
US20090023477 METHOD AND APPARATUS FOR RECONFIGURING A MULTI-SECTOR BASE STATION  
A method and apparatus are described for reconfiguring a multi-sector base station. A first sector is configured to provide coverage for a first sector area and has first corresponding radio...
US20080056201 INTERFERENCE PARAMETER REPORTING FROM CLIENT DEVICES TO ACCESS POINT FOR USE IN MODIFYING WIRELESS OPERATIONS  
A wireless network in a communication infrastructure has a packet switched backbone network and includes a plurality of access points and services a plurality of client devices. The plurality of...
US20080020802 WIRELESS RECEIVER AND WIRELESS RECEPTION METHOD  
A Multi-Input/Multi-Output (MIMO) receiver may include a plurality of receiving antennas that receive a plurality of radio signals and an estimation section that finds channel estimation values of...
US20070191067 Adaptive beamforming systems and methods for communication systems  
A wireless communication system including receiving and base stations. The receiving station includes a detector that measures a downlink channel correlation matrix for multiple antennas of the...
US20070082625 Transmitter and transmitting method in multiple transmitting antenna communication system  
A transmitter and a transmitting method for forming a pseudo common beam using a plurality of antennas in a smart antenna communication system are provided, in which beams for tones of Orthogonal...
US20050288062 Method and apparatus for selecting a transmission mode based upon packet size in a multiple antenna communication system  
A method and apparatus are provided for selecting a transmission mode based upon a length of at least a portion of a packet to be transmitted. A packet is transmitted in a multiple antenna...
US20050159187 Antenna system and method  
An embodiment of the present invention provides an antenna system, comprising a plurality of non-uniformly spaced antenna elements arranged substantially linearly, a power divider for dividing...
US20060292986 Coexistent bluetooth and wireless local area networks in a multimode terminal and method thereof  
The present invention generally to a multimode terminal including a wireless local area network (WLAN) system and a Bluetooth system that avoids radio interference between the two systems by...
US20060052139 Apparatus and method for OFDM data communications  
A radio system employing Orthogonal Frequency Division Multiplexed (OFDM) includes a Base Transceiver Station (BTS) along with a number of mobile terminals located within a coverage area of the...
US20090005120 TRANSMISSION METHOD FOR COMMON CHANNELS  
A method and base station arrangement by which broadcast info messages can be transmitted using cyclic delays and a beamformer to the whole cell simultaneously. In the method during the broadcast...
US20050221875 Wireless subscriber communication unit and antenna arrangement therefor  
A wireless subscriber communication unit (200) comprises an antenna arrangement (202, 330, 430) for radiating and/or receiving electromagnetic signals. A transmitter (220) and/or a receiver (210)...
US20050113141 Spatial joint searcher and channel estimators  
A wireless communication receiver (20) comprises an antenna array (22) and a joint searcher and channel estimator (24). Plural antenna elements of the array provide respective plural signals...
US20090312057 RECONFIGURABLE BASE STATION ANTENNA  
A reconfigurable base station (BS) antenna permits increasing cell capacity by dynamically varying an antenna's configuration according to a wave propagation environment and subscriber...
US20060068849 Interference control in CDMA networks  
It is proposed to decrease the interference in a CDMA network by automatically adapting the radiation pattern, and thereby the coverage areas, of a cell to the service coverage area without...
US20050113142 Temporal joint searcher and channel estimators  
A wireless communication receiver (20) comprises a joint searcher and channel estimator (24) which provides a channel estimate which can take into consideration a doppler shift occasioned, e.g.,...
US20050003864 Antenna system  
An antenna system including a coverage antenna (2) with a coverage beam pattern; and an auxiliary antenna (3) with an auxiliary beam pattern. The auxiliary beam pattern is arranged to perform...
US20090047999 Method and system for beamforming communication in wireless communication systems  
A method and system for beamforming communication in a wireless communication system that includes a wireless initiator and a wireless responder is provided. A communication channel matrix is...
US20080300022 METHOD AND APPARATUS FOR PARAMETER CONFIGURATION FOR ANTENNA LINE DEVICE  
A parameter configuration method and apparatus for an antenna line device (ALD), in which the global identification information of antenna ports of a master station device, and corresponding...
US20050239419 Array-antenna-equipped communication apparatus and method of calibrating array-antenna-equipped communication apparatus  
In an array-antenna-equipped communication apparatus, a part of a transmission signal after passing through a radio wave transmitter is branched by a directional coupler, combined by a combiner,...
US20050164664 Dynamically reconfigurable wireless networks (DRWiN) and methods for operating such networks  
A mesh type wireless communication network includes a plurality of nodes, each node having at least one dynamically directionally controllable communications link, and a network controller for...
US20160029225 Active Antenna System And Method With Full Antenna Ports Dimension  
An Active Antenna System (AAS) is used to generate a logical port by performing beam forming operations to process a reference signal applied to its input. The beam forming operations are based on...
US20130171998 Method, Micro Base Station, and Communications System for Creating Microcell  
A method, a micro base station, and a communications system for creating a microcell are disclosed in the present application. The method includes: configuring, by a micro base station, beam width...
US20050181834 Method and apparatus for cell-site ARQ generation under softer handoff conditions  
A base station generates per-cell ACK/NACK responses rather than per-sector ACK/NACK responses. For a given mobile station signal received in softer handoff at two of the base station's sectors,...

Matches 1 - 50 out of 169 1 2 3 4 >