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Your search returned 342 patents.
( 375/367 in Current US Classification )
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Patent IDTitleDate Filed
6587500 Symbol sampling time settlement of a hard decision radio receiver December 17, 1999
6570909 Interference suppression in a CDMA receiver July 9, 1999
6560271 Pseudo noise code acquisition apparatus for direct sequence spread spectrum communications December 29, 1998
6556621 System for fast lock and acquisition of ultra-wideband signals March 29, 2000
6549589 Digital audio broadcasting receiver February 19, 1999
6546042 Cyclic adaptive receivers for DS-CDMA signals August 29, 2000
6539071 Frequency correction at the receiver end in a packet transmission system October 4, 2000
6535547 Random access in a mobile telecommunications system June 2, 1999
6529783 Process for estimating a parasite phase shift during reception of a multi-carrier signal and the corresponding receiver March 7, 2000
6529546 Acquisition of a spread-spectrum signal using counters February 13, 2001
6512787 Digital impairment learning method and system April 23, 1999
6493395 Multi-carrier transmission systems June 2, 1999
6487252 Wireless communication system and method for synchronization January 29, 1999
6487238 Signal receiving device and radio transmission device and radio transmission method June 25, 1999
6483867 Tracking loop realization with adaptive filters November 22, 1999
6421371 Modulation sequence synchronization methods and apparatus employing partial sequence correlation November 17, 1998
6414951 Method for detecting short codes in CDMA systems October 8, 1999
6385259 Composite code match filters September 30, 1999
6381264 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system March 3, 1999
6373862 Channel-aided, decision-directed delay-locked loop December 11, 1998
6370156 Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation April 18, 1997
6359939 Noise-adaptive packet envelope detection May 20, 1998
6345068 Hierarchical delay lock loop code tracking system with multipath correction February 16, 2000
6339601 Method of, and frame synchronizing device for, synchronizing systems having a digital interface October 31, 1997
6331996 Channel synchronization and impulse sounding in the presence of frequency offset May 28, 1998
6331989 Multiplex transmission method and system February 18, 1998
6324208 Apparatus and method of controlling transmitting power in a subscriber of a wireless telecommunications system April 20, 1998
6324206 Method and apparatus for spreading and despreading data in a spread spectrum communication system February 23, 2000
6314128 Spread spectrum synchronized receiver and synchronizing methods July 17, 1998
6314081 High power short message service using dedicated carrier frequency January 18, 1996
6301311 Non-coherent, non-data-aided pseudo-noise synchronization and carrier synchronization for QPSK or OQPSK modulated CDMA system February 10, 1999
6301288 Method of chip interleaving in direct sequence spread spectrum communications February 29, 2000
6289040 Hierarchical delay lock loop code tracking system September 16, 1998
6275678 Method and apparatus for determining an operating point of a non-linear amplifier of a communication channel December 17, 1998
6266349 Method and apparatus for detecting frame in data stream September 4, 1998
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