Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver

OJ Hirsch - US Patent 6,442,193, 2002 - Google Patents
(57) ABSTRACT A spread Spectrum communication device having a channel estimator and
a rake receiver with a number of rake fingers. The Spread spectrum communication device …

Method and apparatus for digital symbol detection using medium response estimates

GE Bottomley, K Molnar, R Ramesh - US Patent 6,603,827, 2003 - Google Patents
According to the present invention, the effects of the transmission medium on transmitted
information symbols are estimated separately from other effects, eg, those associated with …

Finger assignment in a CDMA rake receiver

JM Tran - US Patent 6,269,075, 2001 - Google Patents
5,684,793: 11/1997 Kiema et al.. where the best candidate path is better than a path
currently SS: 3. E. f 5. al. tal.---5. being demodulated. This approach can also be used to …

Highly efficient techniques for mitigating the effects of multipath propagation in DS-CDMA delay estimation

ES Lohan, R Hamila, A Lakhzouri… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
Delay estimation in direct-sequence code-division multiple-access (DS-CDMA) systems is
necessary for accurate code synchronization and for applications such as mobile phone …

Interference suppression in DS-CDMA systems

YC Yoon, H Leib - US Patent 5,790,537, 1998 - Google Patents
A code division multiple access (CDMA) communications system comprises a plurality of
CDMA transmitters and at least one reception station coupled together by a communi …

Multipath propagation delay determining means using periodically inserted pilot symbols

G Frank, M Schulist, W Granzow, A Maurer… - US Patent …, 2004 - Google Patents
US6731622B1 - Multipath propagation delay determining means using periodically inserted
pilot symbols - Google Patents US6731622B1 - Multipath propagation delay determining …

Multipath channel tap delay estimation in a CDMA spread spectrum receiver

J Schelm, O Shabtay, Y Avital, E Reshef - US Patent 7,061,967, 2006 - Google Patents
Code Division Multiple Access (CDMA) and Wideband CDMA (W-CDMA) arc spread
spectrum based broadband communications technologies that are increasingly being used …

Renewable resource hydro/aero-power generation plant and method of generating hydro/aero-power

D Zaslavsky, R Guetta, R Hitron, G Krivchenko… - US Patent …, 2003 - Google Patents
A power plant and method for the generation of power from flowing air utilizes a generally
vertically extending duct having an inlet open to atmosphere at an elevation above an outlet …

Method and apparatus for multipath demodulation in a code division multiple access communication system

S Lundby, L Razoumov, CE Wheatley III - US Patent 6,625,197, 2003 - Google Patents
Multipath RAKE receiver structure that allows for the concurrent demodulation of multipath
Signals that arrive at the receiver at arbitrarily low arrival time differences. The fingers are …

Extended Kalman filter channel estimation for line-of-sight detection in WCDMA mobile positioning

A Lakhzouri, ES Lohan, R Hamila… - EURASIP Journal on …, 2003 - Springer
In mobile positioning, it is very important to estimate correctly the delay between the
transmitter and the receiver. When the receiver is in line-of-sight (LOS) condition with the …