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7643429 |
Interference measuring and mapping method and apparatus for wireless networks using relay stations
Interference levels occurring at one or more stations in a wireless network, where each of said one or more stations is a base station or a relay station. The measured interference levels are...
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7643794 |
Multi-sector antenna apparatus
Methods and systems for constructing multi-sector antenna for packet-by-packet transmission. The transmission of each packet can be performed by a different antenna sector. The system can consist...
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7643438 |
Method of determining random access channel preamble detection performance in a communication system
In a method for determining link level performance of random access channel (RACH) preamble detection in a wireless communication system, link level performance results may be obtained without...
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7643853 |
Apparatus and method for selecting an antenna in a communication system
An apparatus and a method for selecting an antenna appropriate for a data service type in a communication system employing multiple antennas. The method of performing data communication through a...
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7640024 |
Location tracking using directional antennas combined with signal strength measurements
A wireless local area network has mobile units which are provided with radios for transmitting and receiving data communications messages between the mobile units and fixed access points. The...
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7640035 |
Wireless home LAN system using multiple antennas
Disclosed herein is wireless home LAN system using multiple antennas, and a wireless access point (AP) apparatus in a communication system for providing a plurality of terminals contained in a...
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7640040 |
Systems and methods for tuning an antenna configuration in a mobile communication device
A mobile communication device comprises a plurality of spatially and/or polar diverse antenna configurations. Signals received by each of the plurality of antenna configurations are combined in a...
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7636593 |
Receiver
A receiver for receiving a digital signal of a radio wave etc. modulated by the OFDM scheme, provided with a first reception unit having a first antenna set comprising a plurality of directional...
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7636347 |
Integrated radio communication system, mobile communication system, switching apparatus, radio terminal, and communication method
According to the present invention, in an integrated wireless communication system composed of a wireless LAN system 200 in which wireless communication is performed with mobile terminals 400 ...
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7636553 |
Double search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback
Aspects of a double search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback are provided. The method...
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7634235 |
Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver
Methods and systems for processing signals in a wireless communication system are disclosed. Aspects of the method may include calculating at a receiver, a plurality of...
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7630696 |
Multi-band RF combiner
An RF (radio frequency) combiner utilizes RF filtering cavities and transmission paths incorporated into an RF impervious material. This allows traditional stand-alone multiplexers to be integrated...
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7630343 |
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...
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7630337 |
Method and system for an improved user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission
Certain embodiments of the invention may be found in a method and system for an improved user group selection scheme with finite-rate channel state information feedback for frequency division...
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7630690 |
Access burst detector correlator pool
A Node-B/base station has an access burst detector. The access burst detector comprises at least one antenna for receiving signals from users and a pool of reconfigurable correlators. Each...
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7630738 |
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...
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7630739 |
Dynamic cell reconfiguring method and cellular network system to which the method is applied
A cell configuration can be easily and dynamically changed with less equipment correspondingly to a communication environment by a dynamic cell reconfiguring method in a cellular network system...
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7627286 |
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...
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7627348 |
Point to multipoint device for communication with a plurality of telecommunications units
A point to multipoint device for use in a wireless network operates a sequence of variable duration communication channels, allocatable to telecommunications units. A training sequence indication...
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7627284 |
Method and apparatus for providing wideband services using medium and low earth orbit satellites
A method and apparatus for mitigating communications interference between satellite communications systems in different orbits is disclosed. The method comprises the steps of evaluating a...
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7627347 |
Data transmission parameter optimization in MIMO communications system
A solution for optimizing beamforming configurations and transmit power allocation configurations in a telecommunication system comprising a base station and a plurality of user entities is...
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7623868 |
Multi-band wireless access point comprising coextensive coverage regions
A multi-band wireless access point includes a first antenna system including at least one antenna and having a first effective range for communicating with subscribers using a first communications...
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7620406 |
Mobile radio terminal apparatus
When a holder of a cellular telephone operates a specific-key, the cellular telephone composes an e-mail containing a location-name, location-information, positioning-accuracy and positioning-time...
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7620422 |
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...
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RE40984 |
Reporting communication link information
A method for reporting link information in a communication system including a communication terminal and a plurality of transceivers with each of which the communication terminal can communicate...
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7620424 |
Method and apparatus for an adaptive multiple-input multiple-output (MIMO) wireless communications systems
An adaptive MIMO communications system includes a multifunctional reconfigurable antenna with a selectively alterable effective physical antenna array configuration and radiation/polarization...
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7620423 |
Method and system for creating beamformed channels in a multi-input multi-output network
The present invention discloses a method and system for signal communication in a multi-input multi-output network. The method creates beamformed channels by calculating one or more beamforming...
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7620421 |
Antenna apparatus enabling easy reception of a satellite signal and a mobile object equipped with the antenna apparatus
In addition to an FM reception antenna element for receiving an FM radio wave and an FM receiver connected to the FM reception antenna element, a mobile object is provided with a first antenna...
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7620420 |
Signal transmission apparatus and signal transmission method
A signal transmission apparatus for transmitting a signal using multiple antenna elements comprises a transmission signal generator configured to convert at least one of a first signal addressed to...
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7616959 |
Method and apparatus for shaped antenna radiation patterns
Methods and apparatus for antennas, wireless cells and networks are described. Antennas may use a shield to provide a shape of coverage, area of coverage, and channel assignment pattern configured...
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7613482 |
Method and system for steering antenna beam
A hybrid wireless network system is disclosed. The hybrid wireless network system includes an antenna array, an analog subsystem, and a digital subsystem. The antenna array at least includes two...
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7613151 |
Radio base station apparatus, radio terminal apparatus, mobile communication system, and reception operation control program
In response to a connection request from a terminal, a base station provides a signal indicating a reception operation adapted to a transmission operation of the base station to the terminal. Based...
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7610065 |
Method and apparatus for antenna selection in a diversity antenna system for communicating with implantable medical device
A far-field radio frequency telemetry (RF) system for communicating with an implantable medical device includes a diversity antenna system. An antenna control circuit selects one or more antennas...
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7610024 |
Methods and apparatus of providing transmit and/or receive diversity with multiple antennas in wireless communication systems
Transmit and/or receive diversity is achieved using multiple antennas. In some embodiments, a single transmitter chain within a wireless terminal is coupled over time to a plurality of transmit...
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7610064 |
Direct downlink RF module
A downlink module is provided that includes a sensor interface operable to provide digital sensor signals. It also includes a GPS receiver for receiving GPS timing and location signals. The...
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7606540 |
Apparatus and method for using ambient RF power in a portable terminal
An apparatus and method for using ambient RF power in a portable terminal are provided. In the charging apparatus, an antenna array receives RF signals left derelict in the air, a rectifier...
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7606597 |
Systems and methods for configuring subscriber systems in wireless mesh networks
A wireless network may be managed by identifying one or more wireless subscriber systems included in a lobe pool of a wireless network, identifying at least one candidate subscriber system outside...
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7606553 |
Information processing apparatus with antenna switching function, communication apparatus, antenna switching control unit and computer-readable recording medium recording antenna switching control program
In an information processing apparatus such as a notebook type personal computer having radio communication functions, for communication units to simultaneously carry out transmission/reception...
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7603141 |
Multi-antenna station with distributed antennas
A multi-antenna station with distributed antennas and capable of providing good performance for terminals distributed throughout the coverage area of the multi-antenna station is described. The...
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7603140 |
Method of phase sweep transmit diversity (PSTD) and apparatus for providing PSTD
In the method, a phase of at least one signal transmitted from a transmit antenna of a base station is shifted based on a sweeping frequency having a differentiating component.
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7599714 |
Increasing the range of access point cells for a given throughput in a downlink of a wireless local area network
The present invention provides a method and an apparatus may increase or extend the range of wireless communication cells for a given throughput in a downlink of a wireless communication system....
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7599715 |
System and method for matching wireless devices
Vehicles and methods for providing a communication between a mobile unit and a vehicle are described. In one embodiment, a communication is received from a mobile unit, the communication is...
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7599668 |
Method and apparatus for reducing antenna correlation
The present invention is related to a method and apparatus for reducing antenna correlation between multiple antennas. A transmitter generates at least two beams with a plurality of antennas. The...
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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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7596388 |
Sectorized wireless communication network operating under 802.11 specifications
Methods and systems are provided to facilitate communication with a plurality of remote units in a communication area that includes a plurality of spatial sectors. The system includes a network...
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7596354 |
Optimizing 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...
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7593729 |
Point to point link and communication method
A method and point-to-point link for providing point-to-point wireless communication between a first and second node forming a link, the method including providing multiple concurrent transmissions...
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7593754 |
Receiving apparatus and receiving method of communication system with multiple antennas
A receiving method and apparatus of an orthogonal frequency division multiplexing access system having multiple antennas that is capable of improving system design and realization of integration...
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7593753 |
Base station antenna system employing circular polarization and angular notch filtering
An antenna system for transferring wireless communication signals between a wireless communication device and a base station is provided. The system includes a first linear polarization antenna...
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7593381 |
Mobile communication terminal, and antenna array directivity-pattern-controlling method
In a mobile communication terminal for performing wireless communication by receiving wireless signals according to CDMA communication system containing pilot signals by an antenna array containing...
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