Resources Contact Us Home
Downlink transmit beamforming

Image Number 6 for United States Patent #8125923.

A wireless network access point can operate as a closed-loop MIMO device when communicating with a station that is operating as an open-loop MIMO device. Transmit/receive chains in the access point are calibrated to support aggregate channel reciprocity.

  Recently Added Patents
Polypropylene bottles
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
Method and system for security authentication of radio frequency identification
Polypeptides and immunizing compositions containing gram positive polypeptides and methods of use
Enhancement of semiconducting photovoltaic absorbers by the addition of alkali salts through solution coating techniques
Spin transition material
Intake parameter-calculating device for internal combustion engine and method of calculating intake parameter
  Randomly Featured Patents
Bulk acoustic wave device with a semiconductor layer
Electrophotographic apparatus comprising improved bias source for magnetic brush
Electro-optical device and method for driving the same
Self-aligning docking system for electronic device testing
Process for the preparation of keto compounds
Speech interface system and method for control and interaction with applications on a computing system
Alcohol fuel dual-catalyst treatment apparatus and method
Cart or the like
Method of disrupting the chlorella cell wall by cell rupture
Vehicle suspension