Method and apparatus for adaptive power control for spread-spectrum communications

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7535874
APP PUB NO 20050094604A1
SERIAL NO

10988410

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A code division multiple access subscriber unit comprises an antenna configured to output a radio frequency signal, the radio frequency signal having a quadrature (Q) channel and an in-phase (I) channel. A circuit coupled to the antenna, the circuit being configured to generate power control bits which are carried by one of the I and Q channels and not the other one of the I and Q channels, the power control bits are spread coded and are adapted to control an output power of a base station. The radio frequency signal is a first radio frequency signal, the circuit is further configured to generate the power control bits based on a power level of a second radio frequency signal output by a base station and an interference level associated with the second radio frequency signal.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
INTERDIGITAL TECHNOLOGY CORPORATIONWILMINGTON, DE1450

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kowalski, John Hempstead, US 54 1985
Lomp, Gary R Centerport, US 78 1632
Ozluturk, Fatih Port Washington , US 76 1940

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
4811421 Transmission power control device in a radio communication transmitting/receiving station 198 1987
5339174 Facsimile machine time shifting and converting apparatus 65 1989
2004/0005,020 Multi-stage CDMA synchronization with parallel execution 27 2003
* 7403508 Multiband MIMO-based W-CDMA and UWB communications 44 2003
 
AUSPEX SYSTEMS, INC. (1)
5355453 Parallel I/O network file server architecture 438 1992
 
SONY CORPORATION (4)
5321721 Spread spectrum communication system and transmitter-receiver 54 1992
5343335 Signal processing system having intersymbol-interference cancelling means and method of same 37 1993
5644590 Spread spectrum communication apparatus and signal intensity detection apparatus 44 1995
* 7061888 Communication method and apparatus in which a total power of power control information is a fixed valued 14 2001
 
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. (1)
5258940 Distributed arithmetic digital filter in a partial-response maximum-likelihood disk drive system 42 1992
 
SAMSUNG ELECTRONICS CO., LTD. (9)
5712869 Data transmitter and receiver of a spread spectrum communication system using a pilot channel 133 1995
* 6724740 Channel communication device and method for CDMA communication system 96 1998
* 6539008 Method for inserting power control bits in the CDMA mobile system 70 1998
* 6438119 Data communication device and method for mobile communication system with dedicated control channel 48 1999
6671266 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system 66 1999
* 7079522 Reverse closed loop power control in control hold state for CDMA communication system 18 1999
6778551 Collision control systems and methods utilizing an inter-frame gap code counter 16 1999
6654613 Device and method of continuous outer-loop power control in DTX mode for CDMA mobile communication system 74 2000
* 7039029 Device and method for gating transmission in a CDMA mobile communication system 53 2003
 
NOKIA SIEMENS NETWORKS GMBH & CO. KG (1)
* 7050481 Method for improved extraction in CDMA systems 21 1999
 
BULL SAS (1)
5253347 Centralized arbitration system using the status of target resources to selectively mask requests from master units 47 1992
 
TRIMBLE NAVIGATION LIMITED (3)
5541606 W-code enhanced cross correlation satellite positioning system receiver 42 1995
5621416 Optimized processing of signals for enhanced cross-correlation in a satellite positioning system receiver 43 1995
5966403 Code multipath error estimation using weighted correlations 54 1996
 
HOECHST AKTIENGESELLSCHAFT (1)
5276261 Process for the preparation of tetrafluoroethylene polymers 22 1992
 
MESC ELECTRONIC SYSTEMS, INC. (1)
5535278 Global positioning system (GPS) receiver for recovery and tracking of signals modulated with P-code 87 1994
 
GILAT SATELLITE NETWORKS LTD. (1)
5084900 Spread spectrum system with random code retransmission 82 1989
 
UNWIRED PLANET, LLC (2)
5430724 TDMA on a cellular communications system PCM link 55 1993
6292519 Correction of signal-to-interference ratio measurements 81 1998
 
Monolith Technologies Corporation (1)
5287299 Method and apparatus for implementing a digital filter employing coefficients expressed as sums of 2 to an integer power 47 1992
 
LOCKHEED MARTIN CORPORATION (1)
5414732 Adaptive equalizer and method for operation at high symbol rates 43 1993
 
ATC TECHNOLOGIES, LLC (1)
5878329 Power control of an integrated cellular communications system 214 1997
 
LCTL WIRELESS INVESTMENT, LLC (1)
5570349 Wireless direct sequence spread spectrum digital cellular telephone system 55 1994
 
NORTHROP GRUMMAN SYSTEMS CORPORATION (1)
5262974 Programmable canonic signed digit filter chip 42 1991
 
NOKIA TELECOMMUNICATIONS OY (1)
5570353 Method of transmitting and receiving power control messages in a CDMA cellular radio system 74 1995
 
HEWLETT-PACKARD COMPANY (1)
4768145 Bus system 32 1984
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
5287463 Method and apparatus for transferring information over a common parallel bus using a fixed sequence of bus phase transitions 53 1990
 
SAIT SYSTEMS (1)
5872810 Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem 176 1996
 
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration (1)
5347536 Multipath noise reduction for spread spectrum signals 207 1993
 
AG Communication Systems Corporation (1)
4744079 Data packet multiplexer/demultiplexer 31 1986
 
XIRCOM WIRELESS, INC. (2)
* 5745484 Efficient communication system using time division multiplexing and timing adjustment control 137 1995
* 5802046 Efficient time division duplex communication system with interleaved format and timing adjustment control 114 1995
 
RICOH COMPANY, LTD. (4)
4583124 Facsimile communication control system 63 1984
4630126 Method of signal transmission with selected signal transmission rate 70 1984
5105423 Digital transmission device having an error correction mode and method for shifting down a data transmission rate 106 1989
5418624 Negotiation method and apparatus enabling a facsimile machine to use async data communication protocols 55 1992
 
NOKIA MOBILE PHONES LTD. (1)
5440597 Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system 109 1993
 
NATIONAL SEMICONDUCTOR CORPORATION (1)
5379242 ROM filter 36 1993
 
HITACHI COMMUNICATION TECHNOLOGIES, LTD. (1)
6122292 Dynamic band allocation system 36 1998
 
Telefonaktiebolaget LM (publ) (1)
6708041 Base station transmit power control in a CDMA cellular telephone system 69 1998
 
NORTHERN TELECOM LIMITED (1)
4675865 Bus interface 49 1985
 
TEXAS INSTRUMENTS INCORPORATED (1)
4646232 Microprocessor with integrated CPU, RAM, timer, bus arbiter data for communication system 124 1984
 
ITT MANUFACTURING ENTERPRISES, INC. (1)
5483549 Receiver having for charge-coupled-device based receiver signal processing 216 1994
 
INTELLECTUAL DISCOVERY CO., LTD. (1)
* 6269113 Modulated signal generator for W-CDMA channel in a wireless local loop system 15 1999
 
NORTEL NETWORKS LIMITED (1)
5166929 Multiple access protocol 149 1990
 
MOTOROLA MOBILITY LLC (1)
5299228 Method and apparatus of reducing power consumption in a CDMA communication unit 155 1992
 
ACME LAUNDRY PRODUCTS, INC. (1)
5715536 Static electricity dissipation garment 19 1996
 
PENDRAGON ELECTRONICS AND TELECOMMUNICATIONS RESEARCH LLC (1)
* 5619526 CDMA base station modulator for digital cellular mobile communication systems 64 1994
 
TETHERBALL HOLDINGS, INC. (1)
6510148 Selective discontinuous transmission for high speed data services in CDMA multi-channel configuration 35 2000
 
SILICON VALLEY BANK COMMERCIAL FINANCE DIVISION (1)
6356555 Apparatus and method for digital data transmission using orthogonal codes 306 1996
 
NUMEREX CORP. (1)
6108537 Method and system for performing a predetermined operation related to a predetermined class of cellular sources 58 1998
 
NOKIA TECHNOLOGIES OY (2)
* 5566201 Digital AGC for a CDMA radiotelephone 49 1994
5654980 Method for controlling a receiver, and a receiver 58 1995
 
Picker International, Inc. (1)
5159551 Prism architecture for CT scanner image reconstruction 26 1989
 
RADISYS CORPORATION (1)
4570220 High speed parallel bus and data transfer method 143 1983
 
FIPA FROHWITTER INTELLECTUAL PROPERTY AG (2)
5559790 Spread spectrum communication system and transmission power control method therefor 147 1995
6335924 Spread spectrum communication system and transmission power control method therefor 16 1998
 
GOOGLE INC. (9)
5329547 Method and apparatus for coherent communication in a spread-spectrum communication system 142 1993
5365585 Method and apparatus for encryption having a feedback register with selectable taps 67 1993
* 5412686 Method and apparatus for power estimation in a communication system 54 1993
5619524 Method and apparatus for coherent communication reception in a spread-spectrum communication system 180 1995
5508708 Method and apparatus for location finding in a CDMA system 179 1995
5627855 Programmable two-part matched filter for spread spectrum 53 1995
5722051 Adaptive power control and coding scheme for mobile radio systems 64 1996
5926501 Method and apparatus for dynamic channel configuration 53 1996
6393049 Two-stage synchronization of spread-spectrum signals 11 1998
 
YOZAN INC. (1)
5781584 Code acquisition and tracking circuit using switched matched filter and sliding correlators 35 1996
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (8)
5241690 Method for regulating power in a digital mobile telephony system 141 1991
5295152 TDMA for mobile access in a CDMA system 117 1992
5295153 CDMA frequency allocation 86 1992
5420864 Method of effecting random access in a mobile radio system 86 1993
5341397 CDMA frequency allocation 68 1993
5544156 Direct sequence CDMA coherent uplink detector 96 1994
5896368 Multi-code compressed mode DS-CDMA systems and methods 93 1996
6519461 Channel-type switching from a common channel to a dedicated channel based on common channel load 174 1999
 
TAGGERT HOLDINGS LLC (1)
5166952 Method and apparatus for the reception and demodulation of spread spectrum radio signals 166 1990
 
MOTOROLA MOBILITY, INC. (2)
5216692 Method and apparatus for adjusting a power control threshold in a communication system 104 1992
* 5297161 Method and apparatus for power estimation in an orthogonal coded communication system 57 1992
 
Altralight, Inc. (1)
5991332 Adaptive matched filter and vector correlator for a code division multiple access (CDMA) modem 69 1998
 
Sharp Corporation (1)
4914574 Data transmission apparatus having cascaded data processing modules for daisy chain data transfer 49 1988
 
SILICON LABORATORIES INC. (1)
6038577 Efficient way to produce a delayed version of a maximum length sequence using a division circuit 28 1998
 
The Boeing Company (2)
5341396 Multi-rate spread system 161 1993
5465399 Apparatus and method for controlling transmitted power in a radio network 127 1994
 
INNOVATIO IP VENTURES (1)
5940771 Network supporting roaming, sleeping terminals 341 1995
 
NTT MOBILE COMMUNICATIONS NETWORK INC. (4)
5420850 Mobile station and cell selecting method for code division multiplex access mobile communication 72 1994
5574983 Base station device and mobile station device in mobile communication system utilizing the site diversity effect in soft handover state 88 1994
5581547 Random access communication method by CDMA and mobile station equipment using the same 54 1994
5878350 Scheme for controlling transmission powers during soft handover in a CDMA mobile communication system 41 1997
 
MATRA COMMUNICATION (1)
5448600 Method for selecting propagation paths retained for receiving messages transmitted by CDMA radiocommunication 100 1994
 
Otto Hofstetter AG (1)
5582851 Injection molding device 25 1994
 
TELEMECANIQUE, A CORP (1)
5398243 Arbitration method and bus for serial data transmission 41 1992
 
THE JOHNS HOPKINS UNIVERSITY (1)
4667192 Method and apparatus for bus arbitration using a pseudo-random sequence 38 1986
 
KOREA TELECOMMUNICATION AUTHORITY (1)
5199061 Communication method and equipment for freeze-frame video phone 51 1992
 
AGILENT TECHNOLOGIES, INC. (2)
5140613 Baseband modulation system with improved ROM-based digital filter 66 1990
5446683 Methods and apparatus for generating pseudo-random binary patterns 105 1994
 
NTT DOCOMO, INC. (6)
5566165 Transmission power control method and a communication system using the same 93 1995
5590409 Transmission power control method and a transmission power control apparatus 208 1995
5652765 Receiver and repeater for spread spectrum communications 66 1995
5638362 Correlation detector and communication apparatus 77 1995
5734648 CDMA communications method and system 38 1995
5898665 Coherent tracking apparatus and method for CDMA receiver 77 1996
 
CONTINENTAL BANK, N.A. (1)
5027306 Decimation filter as for a sigma-delta analog-to-digital converter 47 1989
 
CSR TECHNOLOGY INC. (1)
6519277 Accelerated selection of a base station in a wireless communication system 20 2001
 
KALPANA, INC. (1)
5561669 Computer network switching system with expandable number of ports 254 1994
 
HITACHI, LTD. (2)
4403322 Voice signal converting device 73 1981
5579374 Independent cell system of forward and reverse links 18 1994
 
InterDigital Technology Corporation (89)
5081643 Spread spectrum multipath receiver apparatus and method 90 1990
5093840 Adaptive power control for a spread spectrum transmitter 195 1990
5351269 Overlaying spread spectrum CDMA personal communications system 62 1990
5228056 Synchronous spread-spectrum communications system and method 234 1990
5161168 Spread spectrum CDMA communications system microwave overlay 67 1991
5166951 High capacity spread spectrum channel 122 1991
5179572 Spread spectrum conference calling system and method 48 1991
5179571 Spread spectrum cellular handoff apparatus and method 169 1991
5274665 Polyopoly overlapping spread spectrum communication system and method 88 1991
5263045 Spread spectrum conference call system and method 87 1991
5299226 Adaptive power control for a spread spectrum communications system and method 105 1991
5224120 Dynamic capacity allocation CDMA spread spectrum communications 140 1992
5345467 CDMA cellular hand-off apparatus and method 114 1992
5363403 Spread spectrum CDMA subtractive interference canceler and method 83 1993
5367533 Dynamic capacity allocation CDMA spread spectrum communications 45 1993
5420896 Synchronous spread-spectrum communications system and method 60 1993
5377223 Notch filtering a spread spectrum signal using fourier series coefficients 25 1993
* 5459758 Noise shaping technique for spread spectrum communications 12 1993
5410568 CDMA/TDMA spread-spectrum communications system and method 130 1993
5422908 Phased array spread spectrum system and method 39 1993
5365544 CDMA communications and geolocation system and method 133 1994
5459759 Frequency hopping code division multiple access system and method 70 1994
5506864 CDMA communications and geolocation system and method 144 1994
5657343 Frequency hopping code division multiple access system and method 53 1995
5748687 Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems 39 1996
5754803 Parallel packetized intermodule arbitrated high speed control and data bus 20 1996
5796776 Code sequence generator in a CDMA modem 102 1996
5799010 Code division multiple access (CDMA) communication system 165 1996
5841768 Method of controlling initial power ramp-up in CDMA systems by using short codes 107 1996
5912919 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system 32 1996
5940382 Virtual locating of a fixed subscriber unit to reduce re-acquisition time 52 1996
5953346 CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel 37 1996
5991329 Automatic power control system for a code division multiple access (CDMA) communications system 57 1996
6487190 Efficient multichannel filtering for CDMA modems 14 1996
6049535 Code division multiple access (CDMA) communication system 116 1997
6212174 Capacity management method for a code division multiple access (CDM) communication system 45 1997
6215778 Bearer channel modification system for a code division multiple access (CDMA) communication system 96 1997
6181949 Method of controlling initial power ramp-up in CDMA systems by using short codes 24 1998
6272168 Code sequence generator in a CDMA modem 132 1998
6405272 System and method for arbitration of a plurality of processing modules 15 1998
6226316 Spread spectrum adaptive power control communications system and method 33 1998
6381264 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system 23 1999
6252866 Virtual locating of a fixed subscriber unit to reduce re-acquisition time 10 1999
6608825 CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel 21 1999
6885652 Code division multiple access (CDMA) communication system 77 1999
6157619 Code division multiple access (CDMA) communication system 136 1999
6229843 Pilot adaptive vector correlator 40 1999
RE38523 Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems 37 2000
6801516 Spread-spectrum system for assigning information signals having different data rates 34 2000
6831905 Spread spectrum system assigning information signals to message-code signals 26 2000
6493563 Method of controlling initial power ramp-up in CDMA systems by using short codes 18 2000
6707805 Method for initial power control for spread-spectrum communications 23 2000
7020111 System for using rapid acquisition spreading codes for spread-spectrum communications 37 2000
7072380 Apparatus for initial power control for spread-spectrum communications 31 2000
2002/0051,434 Method for using rapid acquisition spreading codes for spread-spectrum communications 52 2000
6985467 Rapid acquisition spreading codes for spread-spectrum communications 35 2001
6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications 81 2001
6697350 Adaptive vector correlator for spread-spectrum communications 34 2001
6721301 Centroid tracking for spread-spectrum communications 29 2001
6983009 Median weighted tracking for spread-spectrum communications 27 2001
6788662 Method for adaptive reverse power control for spread-spectrum communications 20 2001
6816473 Method for adaptive forward power control for spread-spectrum communications 20 2001
6940840 Apparatus for adaptive reverse power control for spread-spectrum communications 42 2001
2002/0057,659 Apparatus for adaptive forward power control for spread-spectrum communications 51 2001
7123600 Initial power control for spread-spectrum communications 28 2001
6873645 Automatic power control system for a code division multiple access (CDMA) communications system 13 2001
6633600 Traffic lights in a code division multiple access (CDMA) modem 17 2001
6744809 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system 11 2002
6674788 Automatic power control system for a code division multiple access (CDMA) communications system 22 2002
6674791 Automatic power control system for a code division multiple access (CDMA) communications system 15 2002
2002/0118,653 Automatic power control system for a code division multiple access (CDMA) communications system 17 2002
6490462 Method of controlling initial power ramp-up in a CDMA system by using short codes 18 2002
6507745 Apparatus for controlling initial power ramp-up in a CDMA system by using short codes 16 2002
6571105 Method employed by a base station for controlling initial power ramp-up using short codes 16 2002
6577876 Base station for controlling initial power ramp-up using short codes 18 2002
6879841 Method employed by a subscriber unit for controlling initial power ramp-up using short codes 14 2002
6606503 Apparatus for controlling initial power ramp-up in a CDMA system by using short codes 19 2002
6778840 Method of controlling initial power ramp-up in a CDMA system by using short codes 15 2002
6904294 Subscriber unit for controlling initial power ramp-up using short codes 19 2002
6839567 Method employed by a base station for controlling initial power ramp-up using short codes 17 2003
2004/0071,198 Code detection 15 2003
2004/0165,654 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system 7 2004
2004/0252,668 Code division multiple access (CDMA) communication system 70 2004
7117004 Method and subscriber unit for performing an access procedure 16 2004
7190966 Method and apparatus for performing an access procedure 13 2005
2005/0249,165 Method employed by a base station for controlling initial power ramp-up using short codes 14 2005
2005/0243,897 Rapid acquisition spreading codes for spread-spectrum communications 23 2005
2005/0265,430 System for using rapid acquisition spreading codes for spread-spectrum communications 86 2005
* 2007/0002,934 SPREAD SPECTRUM RECEPTION USING A REFERENCE CODE SIGNAL 10 2006
 
SCS MOBILECOM CORPORATION, A CORPORATION OF NEW YORK (1)
5260967 CDMA/TDMA spread-spectrum communications system and method 167 1992
 
GEC PLESSEY TELECOMMUNICATIONS LIMITED (1)
4385206 Programmable port sense and control signal preprocessor for a central office switching system 73 1980
 
APPLE INC. (5)
5509126 Method and apparatus for a dynamic, multi-speed bus architecture having a scalable interface 89 1993
5875400 Cellular mobile communications system 76 1995
5828662 Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems 140 1996
6847821 Method and system in a wireless communications network for the simultaneous transmission of both voice and non-voice data over a single radio frequency channel 29 1998
* 6907020 Frame structures supporting voice or streaming communications with high speed data communications in wireless access networks 98 2001
 
KABUSHIKI KAISHA TOSHIBA (1)
6021123 Cellular radio system using CDMA scheme 109 1996
 
BELL TELEPHONE LABORATORIES, INCORPORATED (2)
4458314 Circuitry for allocating access to a demand shared bus 49 1982
5050004 Facsimile machine transmission rate fall-back arrangement 53 1989
 
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC (1)
6396897 Method and apparatus for selecting retrospective reconstruction parameters 17 2000
 
EHIERARCHY LLC (1)
* 2004/0177,319 Computer system for automatic organization, indexing and viewing of information from multiple sources 87 2003
 
RAYTHEON BBN TECHNOLOGIES CORP. (1)
6590889 Data communications system and hybrid time-code multiplexing method 55 1999
 
MINDSPEED TECHNOLOGIES, INC. (1)
4811262 Distributed arithmetic realization of second-order normal-form digital filter 34 1986
 
CANON KABUSHIKI KAISHA (6)
5351134 Image communication system, and image communication apparatus and modem used in the system 85 1992
5442662 Code-division multiple-access communication system providing enhanced capacity within limited bandwidth 127 1994
5627835 Artificial window size interrupt reduction system for CDMA receiver 43 1995
5689815 Saturation prevention system for radio telephone with open and closed loop power control systems 45 1995
6347083 Transmission power control apparatus for a CDMA system 22 1998
6865168 Multiplexing communication system 55 1999
 
HARRIS STRATEX NETWORKS CANADA, ULC (1)
5396539 Cellular data overlay system for storing data identifying selected data allocated channels 135 1993
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
5276684 High performance I/O processor 79 1991
5117385 Table lookup multiplier with digital filter 60 1991
 
ADVANCED MICRO DEVICES, INC. (1)
4425665 FSK Voiceband modem using digital filters 77 1981
 
LUCENT TECHNOLOGIES INC. (8)
5574775 Universal wireless radiotelephone system 103 1994
5870378 Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits 75 1996
5881056 Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits 65 1996
6088335 Code division multiple access system providing load and interference based demand assignment service to users 200 1997
6212399 Method and apparatus for controlling the power radiated by a wireless terminal in a telecommunications system based on a variable step size 33 1998
6434124 Adaptive symbol error count based technique for CDMA reverse link outer loop power control 33 1998
6141374 Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator 71 1998
6549565 Code division multiple access system and method of operation with improved signal acquisition and processing 28 1999
 
CISCO TECHNOLOGY, INC. (1)
6286040 User-friendly interface for setting expressions on an SNMP agent 26 2000
 
SIEMENS AKTIENGESELLSCHAFT (1)
4802189 Method and circuit arrangement for the transmission of data signals between subscriber stations of a data network 36 1984
 
UMBRELLA CAPITAL, LLC (1)
6853675 Methods and systems for optimizing signal transmission power levels in a spread spectrum communication system 20 2000
 
INFINEON TECHNOLOGIES DEVELOPMENT CENTER TEL AVIV LTD. (1)
6289040 Hierarchical delay lock loop code tracking system 10 1998
 
FUJITSU LIMITED (1)
5487180 Method of determining initial transmission power 107 1994
 
MOTOROLA, INC. (9)
4785463 Digital global positioning system receiver 464 1985
5115429 Dynamic encoding rate control minimizes traffic congestion in a packet network 253 1990
5276907 Method and apparatus for dynamic distribution of a communication channel load in a cellular radio communication system 164 1991
5204876 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system 160 1991
5210771 Multiple user spread-spectrum communication system 131 1991
5159283 Power amplifier 70 1991
5245629 Method for compensating for capacity overload in a spread spectrum communication system 132 1991
5235614 Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system 113 1992
5345596 Method and apparatus for establishing a communication link 62 1993
 
CELSAT CORPORATION (1)
5446756 Integrated cellular communications system 336 1993
 
ROUND ROCK RESEARCH, LLC (1)
5613228 Gain adjustment method in two-way communication systems 69 1995
 
MITCHELL MEDINA (1)
5274474 Integrated telefacsimile and character communication system with standard and high speed modes 52 1991
 
WAVE WIRELESS CORP. (1)
5253268 Method and apparatus for the correlation of sample bits of spread spectrum radio signals 152 1991
 
INTEL CORPORATION (9)
4480307 Interface for use between a memory and components of a module switching apparatus 137 1982
5535238 Spread spectrum adaptive power control communications system and method 41 1994
5563907 Variable bandwith spread spectrum device and method 22 1995
5673286 Spread spectrum multipath processor system and method 65 1995
5790591 Spread spectrum transmitter and communications system using multiple spreading codes 84 1995
* 5689502 Efficient frequency division duplex communication system with interleaved format and timing adjustment control 150 1995
* 5959980 Timing adjustment control for efficient time division duplex communication 68 1995
5610940 Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal 51 1995
6463295 Power control with signal quality estimation for smart antenna communication systems 168 1998
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
5113525 Linear-modulation type radio transmitter 68 1990
 
VERIZON LABORATORIES INC. (1)
5621723 Power control in a CDMA network 161 1995
 
CASIO COMPUTER CO., LTD. (1)
5546424 Spread spectrum communication system 76 1994
 
TDK CORPORATION (1)
* 2004/0100,736 Head support mechanism and thin film piezoelectric actuator 1 2003
 
International Mobile Machines Corporation (1)
5022024 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels 246 1989
 
THOMSON-CSF (1)
4709343 Variable-passband variable-phase digital filter 42 1984
 
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (1)
6590883 Base station apparatus and transmission power control method 20 2000
 
TRANSMARINE ENTERPRISES LIMITED (1)
6369867 Riveted liquid crystal display comprising at least one plastic rivet formed by laser drilling through a pair of plastic plates 26 1999
 
MOTOROLA SOLUTIONS, INC. (1)
5297162 System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system 122 1993
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (1)
4608700 Serial multi-drop data link 62 1982
 
NEC CORPORATION (12)
5454026 Mobile communication congestion control system 51 1993
5386589 Transmission power control system capable of keeping signal quality constant in mobile communication network 117 1993
5519736 Synchronous pseudo-noise code sequence generation circuit 57 1994
5528624 DS/CDMA receiver using parallel-operating multi-purpose correlators 68 1994
5548613 DS/CDMA receiver using moving-averaged pilot signals for weighting and phase rotation of orthogonal data symbol vectors 90 1994
5550811 Sync acquisition and tracking circuit for DS/CDMA receiver 96 1994
5563912 High efficiency speech coding apparatus and transit switching system employing the same 50 1995
5812593 De-spread code phase detection apparatus in spread spectrum type receiver 70 1995
6104748 Spread spectrum signal receiving apparatus 36 1996
5771451 Method of transmission power control in a cellular mobile communication system and apparatus thereof 94 1996
5844935 CDMA Receiver 31 1996
* 6088324 Prediction-based transmission power control in a mobile communications system 87 1997
 
AT&T Bell Laboratories (2)
5353302 Signal despreader for CDMA systems 93 1993
5361276 All digital maximum likelihood based spread spectrum receiver 151 1993
 
NOVATEL INC. (4)
5101416 Multi-channel digital receiver for global positioning system 144 1990
5414729 Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing 234 1993
5390207 Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators 161 1994
5692008 Apparatus for estimating a line of sight signal propagation time using a reduced-multipath correlation function 65 1995
 
ADVANTRA INTERNATIONAL N.V. (1)
5363377 Communications system and receiver for use therein which indicates time based on a selected time message signal from a central station 108 1993
 
AGENCE SPATIALE EUROPEENNE (2)
5327467 Code distribution multiple access communication system with user voice activated carrier and code synchronization 49 1991
5327455 Method and device for multiplexing data signals 200 1993
 
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (1)
5751739 Methods of and devices for enhancing communications that use spread spectrum technology 41 1994
 
QUALCOMM INCORPORATED (83)
4901307 Spread spectrum multiple access communication system using satellite or terrestrial repeaters 1494 1986
4901265 Pseudorandom dither for frequency synthesis noise 45 1987
4876554 Pillbox antenna and antenna assembly 22 1988
4905177 High resolution phase to sine amplitude conversion 57 1988
4926130 Synchronous up-conversion direct digital synthesizer 57 1988
4928274 Multiplexed address control in a TDM communication system 62 1988
4979170 Alternating sequential half duplex communication system 190 1988
4965533 Direct digital synthesizer driven phase lock loop frequency synthesizer 112 1989
5056109 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system 922 1989
5101501 Method and system for providing a soft handoff in communications in a CDMA cellular telephone system 834 1989
5109390 Diversity receiver in a CDMA cellular telephone system 801 1989
5017926 Dual satellite navigation system 97 1989
5021891 Adaptive block size image compression method and system 137 1990
5193094 Method and apparatus for generating super-orthogonal convolutional codes and the decoding thereof 85 1990
5028887 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter 96 1990
5103459 System and method for generating signal waveforms in a CDMA cellular telephone system 1660 1990
5128623 Direct digital synthesizer/direct analog synthesizer hybrid frequency synthesizer 39 1990
5099204 Linear gain control amplifier 47 1990
5107225 High dynamic range closed loop automatic gain control circuit 115 1990
5142278 Current carrier tractor-trailer data link 142 1990
5233630 Method and apparatus for resolving phase ambiguities in trellis coded modulated data 134 1991
5265119 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system 400 1991
5126748 Dual satellite navigation system and method 106 1991
5107345 Adaptive block size image compression method and system 238 1991
5257283 Spread spectrum transmitter power control method and system 325 1991
5289527 Mobile communications device registration method 281 1991
5239685 Process for fabricating a MMIC hybrid device and a transceiver fabricated thereby 42 1991
5267262 Transmitter power control system 461 1991
5416797 System and method for generating signal waveforms in a CDMA cellular telephone system 393 1992
5267261 Mobile station assisted soft handoff in a CDMA cellular communications system 731 1992
5392287 Apparatus and method for reducing power consumption in a mobile communications receiver 271 1992
5280472 CDMA microcellular telephone system and distributed antenna system therefor 519 1992
5309474 System and method for generating signal waveforms in a CDMA cellular telephone system 337 1992
5228054 Power-of-two length pseudo-noise sequence generator with fast offset adjustment 123 1992
5316422 Blind fastener 74 1992
5307405 Network echo canceller 176 1992
5341456 Method for determining speech encoding rate in a variable rate vocoder 48 1992
5414796 Variable rate vocoder 439 1993
5337338 Pulse density modulation circuit (parallel to serial) comparing in a nonsequential bit order 91 1993
5396516 Method and system for the dynamic modification of control paremeters in a transmitter power control system 253 1993
5283536 High dynamic range closed loop automatic gain control circuit 57 1993
5373259 Voltage controlled oscillator with dissimilar varactor diodes 11 1993
5339046 Temperature compensated variable gain amplifier 33 1993
5408697 Temperature-compensated gain-controlled amplifier having a wide linear dynamic range 26 1993
5414728 Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels 258 1993
5383219 Fast forward link power control in a code division multiple access system 211 1993
D356560 Portable phone 22 1994
5485486 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system 303 1994
5544196 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system 116 1994
5603096 Reverse link, closed loop power control in a code division multiple access system 169 1994
5461639 Fast forward link power control in a code division multiple access system 143 1994
5604730 Remote transmitter power control in a contention based multiple access system 216 1994
* 5822318 Method and apparatus for controlling power in a variable rate communication system 183 1994
5629955 Variable spectral response FIr filter and filtering method 22 1994
5751761 System and method for orthogonal spread spectrum sequence generation in variable data rate systems 148 1994
5528593 Method and apparatus for controlling power in a variable rate communication system 148 1994
5602833 Method and apparatus for using Walsh shift keying in a spread spectrum communication system 186 1994
5691974 Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy 211 1995
5568483 Method and apparatus for the formatting of data for transmission 104 1995
5594718 Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system 154 1995
5710768 Method of searching for a bursty signal 107 1995
5943361 System and method for generating signal waveforms in a CDMA cellular telephone system 181 1995
5673259 Random access communications channel for data services 308 1995
5870427 Method for multi-mode handoff using preliminary time alignment of a mobile station operating in analog mode 118 1995
5764687 Mobile demodulator architecture for a spread spectrum multiple access communication system 182 1995
6473447 Dynamic sectorization in a spread spectrum communication system 29 1995
5715526 Apparatus and method for controlling transmission power in a cellular communications system 161 1995
5675581 Simulating user interference in a spread spectrum communication network 90 1996
5884187 Method and apparatus for providing centralized power control administration for a set of base stations 126 1996
5596570 System and method for simulating interference received by subscriber units in a spread spectrum communication network 119 1996
5881368 Method and apparatus of power control in a CDMA dispatch system 123 1996
5884196 Method and apparatus of preserving power of a remote unit in a dispatch system 151 1996
6072787 High-speed data transmission in a digital mobile communication system 91 1996
5812938 Reverse link, closed loop power control in a code division multiple access system 208 1996
5757767 Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems 128 1996
5933781 Pilot based, reversed channel power control 81 1997
6396867 Method and apparatus for forward link power control 88 1997
* 6397070 Method and apparatus for estimating reverse link loading in a wireless communication system 35 1999
6763244 Method and apparatus for adjusting power control setpoint in a wireless communication system 66 2001
6760321 Method and apparatus for block-based chip timing estimation in a code division multiple access communication system 19 2002
* 7339894 Closed loop resource allocation 10 2002
* 2006/0088,134 System and method for generating signal waveforms in a CDMA cellular telephone system 11 2005
* 2006/0098,759 Method and apparatus for performing fast power control in a mobile communication system 14 2005
 
ERICSSON AB (2)
6587447 Method and system for performing outer loop power control in discontinuous transmission mode 48 1999
2002/0101,832 Method and system for controlling device transmit power in a wireless communication network 28 2001
 
SCS MOBILECOM, INC. (1)
5228053 Spread spectrum cellular overlay CDMA communications system 78 1991
 
ERICSSON GE MOBILE COMMUNICATIONS HOLDING INC. (2)
5237586 Rake receiver with selective ray combining 212 1992
5345598 Duplex power control system in a communication network 134 1992
 
ERICSSON GE MOBILE COMMUNICATIONS INC. (5)
5353352 Multiple access coding for radio communications 153 1992
5305349 Quantized coherent rake receiver 192 1993
5404376 Navigation assistance for call handling in mobile telephone systems 177 1993
5430760 Random access in mobile radio telephone systems 193 1994
5377183 Calling channel in CDMA communications system 139 1994
 
ALCATEL N.V. (1)
5373502 Process, transmitter and receiver for data transmission with variable traffic volume and a control station for coordinating several such transmitters and receivers 217 1993
 
North American Philips Corporation (1)
4862402 Fast multiplierless architecture for general purpose VLSI FIR digital filters with minimized hardware 43 1986
 
EASTMAN KODAK COMPANY (1)
5311459 Selectively configurable integrated circuit device for performing multiple digital signal processing functions 46 1992
 
RPX CORPORATION (1)
5406559 Isochronous link protocol 44 1992
 
MYCOGEN CORPORATION (1)
5959080 Bacillus thuringiensis genes encoding nematode-active toxins 9 1998
 
UNISYS CORPORATION (1)
5022049 Multiple access code acquisition system 93 1989
 
CLARION CO., LTD. (2)
5291515 Spread spectrum communication device 76 1991
5574754 Sliding correlator 57 1995
 
GENERAL DYNAMICS C4 SYSTEMS, INC. (2)
5349606 Apparatus for multipath DSSS communications 55 1992
5341427 Algorithm independent cryptographic key management apparatus 65 1993
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (2)
5487089 Nyquist filter for digital modulation 44 1993
5488629 Signal processing circuit for spread spectrum communications 94 1994
 
AT&T CORP. (4)
5406615 Multi-band wireless radiotelephone operative in a plurality of air interface of differing wireless communications systems 263 1993
6018528 System and method for optimizing spectral efficiency using time-frequency-code slicing 179 1994
5442625 Code division multiple access system providing variable data rate access to a user 331 1994
5856971 Code division multiple access system providing variable data rate access to a user 102 1995
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
L-3 COMMUNICATIONS CORPORATION (2)
* 8751990 System for determining median values of video data 0 2008
* 2010/0161,695 SYSTEM FOR DETERMINING MEDIAN VALUES OF VIDEO DATA 3 2008
 
CISCO TECHNOLOGY, INC. (2)
* 7756038 Service advertisement framework (SAF) in a communications network 0 2007
* 2009/0086,726 Service Advertisement Framework (SAF) in a Communications Network 0 2007
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (2)
* 8140105 Method for controlling output power in a radio communications network 2 2007
* 2010/0120,464 METHOD FOR CONTROLLING OUTPUT POWER IN A RADIO COMMUNICATIONS NETWORK 9 2007
 
MICROSOFT TECHNOLOGY LICENSING, LLC (2)
9513671 Peripheral retention device 0 2014
9397723 Spread spectrum wireless over non-contiguous channels 1 2014
 
ATC TECHNOLOGIES, LLC (2)
* 7603081 Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications 29 2005
* 2005/0245,192 Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications 121 2005
 
ENTROPIC COMMUNICATIONS, LLC (1)
* 7941091 Signal distribution system employing a multi-stage signal combiner network 6 2007
 
ON-RAMP WIRELESS, INC. (15)
8259780 Downlink communication 0 2009
8160122 Method and system for uplink communication 0 2010
* 2010/0254,435 METHOD AND SYSTEM FOR UPLINK COMMUNICATION 1 2010
8958460 Forward error correction media access control system 0 2010
8611399 Synchronized system configuration 1 2012
8565289 Forward error correction media access control system 8 2012
8520721 RSSI measurement mechanism in the presence of pulsed jammers 0 2012
8995404 Downlink communication with multiple acknowledgements 0 2013
8831072 Electric monitoring system using a random phase multiple access system 0 2013
8817845 Smart transformer using a random phase multiple access system 0 2013
8831068 Gas monitoring system using a random phase multiple access system 0 2013
8831069 Water monitoring system using a random phase multiple access system 0 2013
8837555 Light monitoring system with antenna diversity 1 2013
8824524 Fault circuit indicator system using a random phase multiple access system 0 2013
9294930 Combined unique gold code transmissions 0 2015
 
MOTOROLA SOLUTIONS, INC. (1)
* 7974651 Automatically switching a TDMA radio affiliated with a FDMA site to a TDMA site 1 2007
 
InterDigital Technology Corporation (6)
7929498 Adaptive forward power control and adaptive reverse power control for spread-spectrum communications 38 2001
7756190 Transferring voice and non-voice data 3 2003
* 7903613 Code division multiple access (CDMA) communication system 9 2004
7706332 Method and subscriber unit for performing power control 12 2005
9564963 Automatic power control system for a code division multiple access (CDMA) communications system 0 2008
8737363 Code division multiple access (CDMA) communication system 2 2011
* Cited By Examiner

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 19, 2016
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 19, 2020
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00