СПИСОК патентов США - подгруппа МПК16 H04L27/30


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№ п/п Номер патента Название патента

2016

19515815Transpositional modulation systems, methods and devices
29379925Transpositional modulation systems and methods
39276787Transmission of signaling messages using beacon signals

2015

49155104Device and method for access probe enhancements
59059881Hexagonal constellations and decoding same in digital communication systems
68971380System and method for adjusting DIDO interference cancellation based on signal strength measurements

2014

78804789Configurable multimode despreader for spread spectrum applications
88767796Method and apparatus for space division multiple access receiver
98659987Adaptive modulation for fixed wireless link in cable transmission system

2013

108594152Pilot scrambling enabling direct pilot sequence detection in initial acquisition in Evolved UTRA
118571086System and method for DIDO precoding interpolation in multicarrier systems
128542571Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure
138472506Method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback
148411726Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference

2012

158170081System and method for adjusting DIDO interference cancellation based on signal strength measurements
168160121System and method for distributed input-distributed output wireless communications
178155169Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback
188116351Downlink power control with limit to dynamic range using detection of downlink transmit power

2011

198085833Method and system for an efficient channel quantization method for MIMO pre-coding systems
208036256Method and apparatus for generating and transmitting code sequence in a wireless communication system
218023396Adaptive modulation for fixed wireless link in cable transmission system
227983322Method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback
237961775Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback
247953138Method and system for an efficient channel quantization method for MIMO pre-coding systems
257930711Apparatus and method for addressing control in a network for distributed data
267929593Method and apparatus for successive interference subtraction with covariance root processing
277929590Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access
287912113Techniques for estimating received signal strength and carrier to interference and noise ratio in OFDM systems
297894506Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback

2010

307852906Wireless communication device and channel estimation and separation method in multi input system
317848386Frequency hopping RF transceiver with programmable antenna and methods for use therewith
327843990Determining a channel matrix by measuring interference
337843989Systems and methods for embedding a first signal in the coding of a second signal
347830948Asynchronous communication system for remote monitoring of objects or an environment
357822102Method and system for an efficient channel quantization method for MIMO pre-coding systems
367822101Method and apparatus for interference suppression in a wireless communication receiver
377809046Timing-offset estimation in modulated signals using weighted correlation values
387787517Method for transmitting multiple streams in wireless broadcast networks
397778309Apparatus and method for canceling interference from neighbor cells in broadband communication system
407778307Allocation of control channel for radio resource assignment in wireless communication systems
417773662Synchronizing to symbols received via wireless communications channel
427760793Pilot scrambling enabling direct pilot sequence detection in initial acquisition in evolved UTRA
437760791Apparatus for communicating using UWB transmission
447751464Method of data transmission with iterative multi-user detection and apparatus using the same
457724806Interferer diversity
467720131Iterative pilot-aided frequency offset estimation and C/I measurement for TDMA signal with offset larger than nyquist frequency of the reference symbol rate
477711031Adaptive technique for inter-carrier-interference canceling in OFDM systems
487711030System and method for spatial-multiplexed tropospheric scatter communications
497706246Adaptive modulation for fixed wireless link in cable transmission system
507684468Wireless communication device
517684461Multimode receiver
527680175Apparatus and method for transmitting/receiving signal in a communication system using a plurality of transmit antennas
537672358Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference
547653122Method and system for power controlled effective allocation of sub-bands in ultra-wideband communication

2009

557639733Maximum likelihood estimation of time and frequency offset for OFDM systems
567636381System and method for distributed input-distributed output wireless communications
577633994System and method for distributed input-distributed output wireless communications
587616677Downlink power control with limit to dynamic range using detection of downlink transmit power
597609752Transmitter and transmission control method used in random access communication environment
607609750Segment-wise channel equalization based data estimation
617599422Adjustable dual-band link
627599420System and method for distributed input distributed output wireless communications
637586977Transmission power control method, mobile station, and radio network controller
647586976Initial ranging detection for OFDMA systems
657580464Method for detecting UWB pulse sequences and analog detection means suitable for this purpose
667567609Space-time multiuser detector in mobile communication system and method thereof
677561614Communication apparatus and communication method using digital wavelet multi carrier transmission system
687545853Method of acquiring a received spread spectrum signal
697505511Matched filter and spread spectrum receiver
707496129Method and apparatus for space division multiple access receiver
717492811Method and system for fast acquisition of ultra-wideband signals
727483476Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels
737483473Access channel structure for wireless communication system

2008

747463669Method of tone allocation for tone hopping sequences
757460580Segment-wise channel equalization based data estimation
767453920Code synchronization in CDMA satellite wireless communications system using uplink channel detection
777450629Adjustable dual-band link
787440489Method and apparatus for selective demodulation and decoding of communications signals
797440486Noise shaping technique for spread spectrum communications
807436878Method and apparatus for efficient carrier bin search for a composite spreading code
817433384System and method for received signal prediction in wireless communications system
827433383Techniques to detect radar in a communication signal
837421013Maximum likelihood estimation of time and frequency offset for OFDM systems
847411995Apparatus and related methods to aid in system identification in a heterogeneous communication system environment
857403575Method and apparatus for adapting signaling to maximize the efficiency of spectrum usage for multi-band systems in the presence of interference
867376171Multiuser detection aided multiple access differential M-ary coding applications
877376107Spread spectrum communication system and transmission power control method therefor
887359429Support of the determination of a correlation
897340011Method of frequency multiplication in a radiocommunications apparatus
907339979Adaptive beamforming methods and systems that enhance performance and reduce computations
917327775CDMA receiver
927324579Flexible distribution device and method for rake receiver of communication system
937315570Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels

2007

947308019System and method for Fast Walsh Transform processing in a multi-coded signal environment
957308018Method for operating a digital mobile radio network with space-time block codes
967298773Apparatus and method for reporting service load to mobile station in mobile telecommunication system
977292611Demultiplexer for channel interleaving
987280581Method of adaptive Walsh code allocation
997263118Interference canceling device and method in mobile communication system
1007239659Method and apparatus for channel feedback
1017221699External correction of errors between traffic and training in a wireless communications system
1027206335Optimum interpolator method and apparatus for digital timing adjustment
1037177345Demodulating device and method for W-CDMA base station
1047161973Pilot aided adaptive minimum mean square interference cancellation and detection

2006

1057145935Apparatus for measuring signal-to-interference ration in multiple antenna high data rate packet transmission system and method thereof
1067123646Synchronous acquisition device for CDMA receiver
1077123644Peak cancellation apparatus of base station transmission unit
1087106783Method and apparatus for searching multipaths of mobile communication system
1097106780Rake-based CDMA receivers for multiple receiver antennas
1107103088Efficient spreader for spread spectrum communication systems
1117103084Apparatus and method for searching preamble signal based on small search window
1127099374Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving matched-filter outputs
1137099373Noise shaping technique for spread spectrum communications
1147092431Receiver, transmitter, communication system, and method of communication
1157092427Direct sequence modulation using time, frequency, and/or on-off keying
1167085313Multiple channel joint decoding at mobile handset
1177085307Methods and apparatus for transmitting data over a CDMA network
1187065130Searching for signals in a communications system
1197061966Frame synchronization and scrambling code indentification in wireless communications systems and methods therefor
1207054350Method and system for acquiring pseudo-noise (PN) decade-code phase
1217046719Soft handoff between cellular systems employing different encoding rates
1227042928Method and apparatus for pilot estimation using prediction error method
1237042925Correlation detection improvement by averaging spread spectrum signals
1247042923Method and apparatus for frequency hopping in a spread spectrum digital cordless telephone system
1257035311Apparatus and method for a digital, wideband, intercept and analysis processor for frequency hopping signals
1267031372Multiple user reconfigurable CDMA processor
1277023898Accelerated method of detection by spheres
1287020178Microprocessor decoder frequency hopping spread spectrum communications receiver
1297016397Method of processing CDMA signal components
1307016296Adaptive modulation for fixed wireless link in cable transmission system
1317006556Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference
1327003016Maximum likelihood timing synchronizers for sampled PSK burst TDMA system
1336999498Multiuser detection aided multiple access differential frequency-hopped spread spectrum
1346996163Walsh-Hadamard decoder
1356990137System and method for received signal prediction in wireless communications systems
1366985510Method and system for data and voice transmission over shared and dedicated channels
1376985509Low cost DSSS communication system
1386983009Median weighted tracking for spread-spectrum communications

2005

1396967992Method and apparatus for receiving GPS/GLONASS signals
1406940841Packet-switched spread-spectrum system
1416928103Rach receiving apparatus
1426920171Multiple access frequency hopping network with interference anticipation
1436901106Delay lock code tracking loop employing multiple timing references
1446894997Packet spread-spectrum transmitter
1456882678Method and system for canceling multiple access interference in CDMA wireless communication system
1466876692System for code division multi-access communication
1476868111Methods and systems for identifying transmitted codewords after loss of synchronization in spread spectrum communication systems

2004

1486834075Method for improving multipath searcher speed
1496823025Amplitude modulation detector
1506771767Signal detector with coefficient swapping transform unit
1516738414Radio and communication method using a transmitted intermediate frequency
1526731745Frequency deviation detecting apparatus and frequency deviation detecting method
1536731674Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system
1546724838Methods and apparatus to despread dual codes for CDMA systems
1556687368Tone signal detecting method and tone signal detector
1566678309CDMA base station system

2003

1576665350Method and system for improved analog signal detection
1586611804Universal TTY/TDD devices for robust text and data transmission via PSTN and cellular phone networks
1596608552Power-line digital communication system
1606577675Signal separation
1616560445Radio communication system and method of operation
1626519299Methods and apparatus to despread dual codes for CDMA systems

2002

1636480589CPE alert signal detector and caller identification detector using peak detection
1646456647Two step signal recovery scheme for a receiver
1656445726Direct conversion radio receiver using combined down-converting and energy spreading mixing signal
1666442189Binary code phase offset calculation method and a binary code phase synchronization method by using the phase offset
1676400751Adaptive frequency sharing method and apparatus
1686381289Demodulation method in high speed asynchronous time division multiplexed packet data transmission
1696370182Integrated beamforming/rake/mud CDMA receiver architecture
1706363103Multistage interference cancellation for CDMA applications using M-ary orthogonal moduation
1716345251Low-rate speech coder for non-speech data transmission
1726341141Method and apparatus for detecting spectrum spread signals

2001

1736266365CDMA receiver
1746266361Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
1756249762Method for separation of data into narrowband and broadband time series components
1766249461Flash memory device with a status read operation
1776188716Radio and communication method using a transmitted intermediate frequency

2000

1786072838Communication scheme using non-coherent frequency detection of trellis-based coding of plural transmission frequencies per baud
1796052407Apparatus and method for detection frequency hopping patterns embedded in radio frequency noise

1999

1805963643Method and system for the transfer of information between two populations of persons, one nomadic and the other sedentary
1815960029Coherent dual-channel QPSK modulator/demodulator for CDMA systems, and modulating/demodulating methods therefor
1825926508Communication scheme using non-coherent frequency detection of trellis-based coding of plural transmission frequencies per baud
1835859913Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies
1845859905Cycle-modulating type of dual-tone multifrequency generator

1998

1855825805Spread spectrum communication system
1865809133DTMF detector system and method which performs frequency domain energy calculations with improved performance
1875734577Adaptive IIR multitone detector

1996

1885588023High content information transmission system

1995

1895479498Digital line card having universal port for upgrading electronic messaging system
1905459785DTMF signal receiving circuit
1915442696Method and apparatus for detecting control signals
1925392348DTMF detection having sample rate decimation and adaptive tone detection

1994

1935353344Method of determining levels at given frequencies of a VF signal
1945333191Detection of multifrequency tone signals
1955325427Apparatus and robust method for detecting tones

1993

1965265097Data processor
1975257309Dual tone multifrequency signal detection and identification methods and apparatus
1985218636Dial pulse digit detector

1992

1995144626Data processor
2005138569Dual tone multi-frequency detector

1991

2015056108Communication system

1990

2024972435Frequency independent information transmission system

1989

2034809299Frequency independent information transmission system

1987

2044715045System protocol for composite shift keying communication system
2054670875Multiplexed dual tone multi-frequency encoding/decoding system for remote control applications

1986

2064606047High frequency communications
2074577333Composite shift keying communication system

1985

2084549302Modem with improved escape sequence mechanism to prevent escape in response to random occurrence of escape character in transmitted data

1984

2094440988Modem with low part count and improved demodulator
2104431867Modem with low part count and improved demodulator

1983

2114389644Asynchronous type multichannel signal processing system

1982

2124354248Programmable multifrequency tone receiver

1978

2134110725Sequential tone acoustic command link
2144109109Method and apparatus for detecting the presence of signal components of predetermined frequency in multifrequency PCM signal
2154087638DTMF Communication system
2164079355Method for the transmission of binary information by means of a frequency-modulated signal and a circuit for performing that method

1977

2174045767Method of ultrasonic data communication and apparatus for carrying out the method

1976

2183958215Device for the acoustic submarine teletyping
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017