Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Adaptive control for uncertain nonlinear multi-input multi-output systems
Power collecting device, power measuring device, and power collecting method
Apparatus and method for an iterative cryptographic block
Crystalline form of zofenopril calcium
Amnion-derived cells, methods of making and uses thereof
Process for preparing substituted aromatic carboxylic acids
Signal activated molecular delivery
  Randomly Featured Patents
Glazing bead for a window frame
Higher alkanol compositions and the use thereof in treatment of prostate disorders
Electromagnetic tracking system and method using a three-coil wireless transmitter
O/W type emulsion composition
Firing pin block for pistol
Perpendicular magnetic recording medium
Child's floor cushion
Method and apparatus for aliasing memory data in an advanced microprocessor
X-ray diagnostic system with automatic control of radiation exposure
Underwater trenching & pipelaying apparatus