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Browse by Category: Main > Communications
Class Information
Number: 375/147
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Receiver
Description: Subject matter comprising recovery, demodulation and decoding of signals.










Sub-classes under this class:

Class Number Class Name Patents
375/150 Correlation-type receiver 1,890
375/149 Having specific code synchronization 851
375/152 Matched-filter-type receiver 559
375/148 Multi-receiver or interference cancellation 1,587


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7826577 Method for frequency acquisition of a mobile communications device Nov. 2, 2010
7826521 Rate adaptation using error vector magnitude Nov. 2, 2010
7826518 Method and device for receiving a degraded radionavigation signal Nov. 2, 2010
7826515 Positioning a multipath search window Nov. 2, 2010
7822144 Communication system having reduced delay time Oct. 26, 2010
7822103 Fast joint detection base station Oct. 26, 2010
7822097 Devices and methods for ultra-wideband communications Oct. 26, 2010
7817751 Digital multimedia broadcasting receiver having improved reception capability and channel estimation method of the same Oct. 19, 2010
7817734 System and method for improving signal to quantization noise ratio of an OFDMA modulator Oct. 19, 2010
7817710 Mobile communication terminal Oct. 19, 2010
7817709 Non-coherent phase differential and multiple orthogonal signal reception Oct. 19, 2010
7817707 Apparatus and method for generating ranging pseudo noise code Oct. 19, 2010
7813447 Apparatus, system, and method for dynamic phase equalization in a communication channel Oct. 12, 2010
7813438 Detector and method for estimating data probability in a multi-channel receiver Oct. 12, 2010
7813413 Antenna array communication using spreading codes Oct. 12, 2010
7813412 Radio base station apparatus, and despreading processing apparatus therefor Oct. 12, 2010
7813380 Method of processing a signal and apparatus for processing a signal Oct. 12, 2010
7809073 Multiple input/multiple output communication method based on distributed transmission sources Oct. 5, 2010
7805118 Satellite receiving method and system Sep. 28, 2010
7801532 System and method for transmitting/receiving signal in a frequency overlay communication system Sep. 21, 2010
7801235 Method and apparatus for achieving multiple antenna diversity with two antenna per packet diversity in a wireless network Sep. 21, 2010
7801211 Communication system, receiver unit, and adaptive equalizer Sep. 21, 2010
7801210 Apparatus and methods for implementing a split equalizer filter for sparse channels Sep. 21, 2010
7801087 Method of transmitting control signals in a digital communications system Sep. 21, 2010
7796678 Communication system with receivers employing generalized two-stage data estimation Sep. 14, 2010
7796677 Receiver and reception method Sep. 14, 2010
7796675 Burst spread spectrum radio system and method for site monitoring Sep. 14, 2010
7796564 W-CDMA base station with apparatus for providing packet data communications with mobile units or terminals Sep. 14, 2010
7792225 Method and device for reducing cross-correlation false alarms in CDMA and other wireless networks Sep. 7, 2010
7792209 Digital DPSK demodulation method and system Sep. 7, 2010
7792022 Method and apparatus for de-rate matching in communication system Sep. 7, 2010
7778312 Method and apparatus for selecting demodulation processing delays in a receiver Aug. 17, 2010
7773663 Communication apparatus, communication method, and program Aug. 10, 2010
7773659 UWB MCSK/BPPM wireless communication system and method for increased information rate Aug. 10, 2010
7769079 Method and apparatus for controlling gain level of a communication channel in a CDMA communication system Aug. 3, 2010
7769078 Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver Aug. 3, 2010
7768990 Multi-user receiver and method for successive acquisition Aug. 3, 2010
7764756 Synchronization acquiring device and synchronization acquiring method Jul. 27, 2010
7764754 Data transmission with spatial spreading in a MIMO communication system Jul. 27, 2010
7764725 Sub-banded ultra-wideband communication system Jul. 27, 2010
7760820 Receiver having a signal reconstructing section for noise reduction, system and method thereof Jul. 20, 2010
7756498 Channel estimator and method for changing IIR filter coefficient depending on moving speed of mobile communication terminal Jul. 13, 2010
7751465 Cancellation of pilot and traffic signals Jul. 6, 2010
7746919 Pilot aided adaptive minimum mean square interference cancellation and detection Jun. 29, 2010
7746917 Data transmission method and receiver Jun. 29, 2010
7742518 Discriminator function for GPS code alignment Jun. 22, 2010
7733946 Terrestrial repeater with redistribution of pseudo-random codes on different carrier frequencies Jun. 8, 2010
7733940 Method and apparatus for signal receipt and acquisition Jun. 8, 2010
7729663 Signal-to-noise ratio (SNR) determination in the frequency domain Jun. 1, 2010
7729411 Joint detector in a code division multiple access radio receiver Jun. 1, 2010

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