Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
FFT-size detection and cell search for a cellular communication system










Image Number 5 for United States Patent #8116806.

An apparatus and method for cell acquisition and downlink synchronization acquisition in an OFDMA wireless communication system are provided. In an SS apparatus in a broadband wireless communication system, a preamble subcarrier acquirer extracts subcarrier values having a preamble code from an FFT signal. A multiplier code-demodulates the subcarrier values by multiplying the subcarrier values by a preamble code. A correlator calculates a plurality of differential correlations in the code-demodulated signal. An IFFT processor IFFT-processes the differential correlations by mapping the differential correlations to subcarriers. A maximum value detector detects a maximum value from the IFFT signal and calculates a timing offset using an IFFT output index having the maximum value.








 
 
  Recently Added Patents
Power conversion device for electric vehicle
Bandpass filter and radio communication module and radio communication device using the same
Stage drive method and stage unit, exposure apparatus, and device manufacturing method
Tablet computer
Power-on reset circuit
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
Magnetoresistive shield with coupled lateral magnet bias
  Randomly Featured Patents
Fluorescence dyes and their applications for whole-cell fluorescence screening assays for caspases, peptidases, proteases and other enzymes and the use thereof
Golf putter with adjustable lie and offset hosel
Process for the preparation of molybdenum based alloys by sintering
Apparatus for epitaxial deposition
Precipitated silica
Shelf unit
Evacuated testing device having calibrated infrared source
Radiation curable coating for film structure
Closed loop gradient force comminuting and dehydrating system
Bis (indolestyryl) compound and high density recording media utilizing the same