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Telecommunications > Transmitter And Receiver At Separate Stations > Distortion, Noise, Or Other Interference Prevention, Reduction, Or Compensation > Directional Antenna Directional AntennaDirectional Antenna patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/01/07 - 20070049203 - System and method for adjusting the coverage footprint of an antenna At least one weighting factor associated with at least one user operating in a wireless network is obtained. A common channel coverage footprint (104) of a smart antenna (103) is adjusted based upon the at least one weighting factor. ... 02/22/07 - 20070042715 - Optimized directional antenna system A method of operating a wireless access point having a configurable antenna system includes determining a transmission signal quality metric for a first station with the configurable antenna system in a first configuration, determining a transmission signal quality metric for a second station with the configurable antenna system in the ... 02/15/07 - 20070037519 - Apparatus and method for calibrating transmission paths in a multicarrier communication system using multiple antennas An apparatus and method for calibrating transmission paths in a multicarrier communication system using multiple antennas are provided. In the transmission path calibrating apparatus, a calibration processor generates reference signals to estimate distortions in phase and amplitude in transmission paths, allocates the generated reference signals to subcarriers which are different ... 02/01/07 - 20070026807 - Coverage enhancement using dynamic antennas Mechanisms for wireless local area network coverage enhancement using dynamic antennas are provided. The dynamic antennas may be used, for example, in an antenna apparatus of an access point. The access point maps a plurality of virtual access points (VAPs), each VAP corresponding to at least one of a plurality ... 01/25/07 - 20070021069 - Radio communications 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 quality H0 corresponding to the minimum pre-specified communication quality, ... 01/04/07 - 20070004340 - Wireless transmission system A wireless transmission system for transmitting a picture data between a transmitter and a receiver by wireless communication is provided. Each of the receiver and the transmitter is equipped with a directional antenna and a non-directional antenna. A communication of the picture data is performed by using the directional antennas, ... 12/28/06 - 20060292991 - Dynamically optimized smart antenna system A wireless communications network includes a plurality of wireless devices equipped with direction- agile antenna systems to allow the wireless devices to establish and maintain wireless data links with each other. ... 12/28/06 - 20060292990 - Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction Methods of forming a downlink beam in an adaptive antenna system of a communications system that may reduce inter-system and/or intra-system interference include receiving vectors of signals including signals transmitted by user terminals of the communications system and signals transmitted by transceivers of an independent communications system, obtaining spatial information ... 12/07/06 - 20060276135 - Antenna control method and system An antenna control method and system is disclosed. First, output a transmission signal to an antenna apparatus to generate a main beam. The antenna apparatus has a number of antenna units arranged in a line. Next, adjust the direction of the main beam by changing phase of the transmission signal. ... 11/30/06 - 20060270353 - Systems and methods for transmitter diversity expansion Methods and systems for transmitter diversity expansion are provided. The methods and systems include steps and modules for applying a number of data streams (K) to a larger number of antennas (N). This is performed by applying each of the data streams to a single base antenna, such that K ... 11/30/06 - 20060270352 - Beamforming systems and methods Systems and methods of convergence beamforming are disclosed. One method embodiment, among others, comprises receiving N data streams from at least N+1 antennas, where N is an integer greater than 1; determining signal characteristics of each received data stream; and adjusting the signal characteristics of N data streams to be ... 10/26/06 - 20060240780 - scheme for operating a wireless station having directional antennas Disclosed is a wireless station having a receiver and a network allocation vector associated with each of a plurality of directional antennas. The receivers concurrently listen for frames from remote stations. When any receiver detects a frame from a remote station, the receiver activates its associated NAV. The station has ... 08/31/06 - 20060194542 - Radio terminal apparatus and reception operation control program thereof A base station transmits information in a downlink signal that identifies whether the base station is an adaptive array base station. If a terminal capable of performing diversity reception determines that a terminal to be connected is an adaptive array base station, it stops to perform diversity reception and set ... 04/20/06 - 20060084387 - Method and system for suppressing unwanted responses in wireless communication systems A method and system is disclosed for suppressing unwanted responses in wireless communication systems. The system comprises a transmitting terminal and a receiving terminal. The transmitting terminal comprises an antenna array including a primary antenna and a secondary antenna. The primary and secondary antennas are configured so that signals transmitted ... 04/13/06 - 20060079185 - Radio communication system, mobile terminal unit thereof, and azimuth determining method Disclosed are a mobile station unit which can obtain azimuth information with a simple construction and a radio communication system including the mobile terminal unit. According to the present invention, in a terminal station, an arrival direction obtaining section 203 obtains an arrival direction of a received azimuth designation signal ... 03/09/06 - 20060052059 - System and method for automatically adjustable directional antenna Systems and methods for an automatically adjustable directional antenna are provided. A broadband wireless device includes an RF transparent housing. The housing includes a directional antenna and a wireless modem coupled to the directional antenna. The wireless modem incorporates a mechanical antenna adjuster which automatically adjusts the direction of the ... 12/01/05 - 20050266799 - Radio base station apparatus and radio communication method The radio base station apparatus comprises: a plurality of antenna elements for transmitting and receiving radio signals; a detection unit for detecting information about an uplink dedicated channel corresponding to a first user equipment from signals received via the plurality of antenna elements; a directivity control unit for determining directivity ... 11/10/05 - 20050250453 - Method and apparatus for high throughput multiple radio sectorized wireless cell Methods and apparatus for high throughput wireless cells, capable of functioning as access points, are described. The wireless cells may be equipped with multiple radios to increase the amount of throughput available through a single wireless cell. Multiple antennas attached to the radios through RF switches may enable the wireless ... 11/10/05 - 20050250452 - Power-efficient multi-antenna wireless device A power-efficient wireless device is equipped with multiple (N) antennas. Each antenna is associated with a transmitter unit and a receiver unit. The wireless device also has processing units used to perform various digital processing tasks. The transmitter units, receiver units, and processing units may be selectively enabled or disabled. ... 10/27/05 - 20050239407 - Antenna steering scheduler for mobile station in wireless local area network Methods of scheduling optimization of communications used with Wireless Local Area Network (WLAN) equipment that employs steerable directional antennas. The methods may use and are compatible with Media Access Control (MAC) layers of IEEE 802.11 group of standards. The methods do not depend on any particular PHY layer standard. ... 10/20/05 - 20050233699 - Mote networks having directional antennas A mote network having and/or using one or more directional antennas. ... 10/06/05 - 20050221761 - Mote networks using directional antenna techniques A mote network having and/or using one or more directional antennas. ... 08/11/05 - 20050176374 - Adjustable wireless communication device and antenna module and control method thereof An adjustable wireless communication device and an antenna module for transmitting radio signals includes a plurality of antennas arranged in an array, and a control circuit connected to the plurality of antennas for switching on a subset of antennas among the plurality of antennas. When the control circuit switches on ... 07/28/05 - 20050164640 - Self-structuring antenna system with memory A self-structuring antenna (SSA) system employs a memory device to store switch states for antenna configurations that are determined to produce acceptable antenna characteristics. Each antenna configuration corresponds to a respective combination of switch states known as a switch configuration. Using the stored antenna configurations as a starting point for ... 07/21/05 - 20050159108 - Signal processing system and method A phased array antenna that employs a switched least means squared architecture comprises plurality of receiving elements each having a respective weighting unit associated therewith, a summation unit, a processor, a plurality of sampling devise and a switching unit contains a switch arm having a contact at its free and, ... 07/14/05 - 20050153658 - Multiplexed self-structuring antenna system A communication system incorporates a self-structuring antenna (SSA) system coupled to multiple communication devices, such as receivers, in a multiplexed arrangement. One of the communication devices is employed in a search process to select an antenna configuration suitable for another of the communication devices. The SSA system controls and coordinates ... 07/14/05 - 20050153657 - Multi-beam antenna transmitter/receiver and transmitting/receiving method and transmission beam selection method A multi-beam antenna transmitter/receiver includes reception beam formation units (1041-104M) which form a plurality of reception beams, and transmission beam formation units (1131-113J) which form a plurality of transmission beams. The multi-beam antenna transmitter/receiver further includes reception beam calculation units (1081-108M) which calculate overall reception qualities from the reception qualities ... ### FreshPatents.com Support |