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7587663 |
Fault detection using redundant virtual machines
A technique to detect errors in a computer system. More particularly, at least one embodiment of the invention relates to using redundant virtual machines and comparison logic to detect errors...
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7409330 |
Method and system for software debugging using a simulator
Systems and methods for debugging software and/or hardware are disclosed. A processor may execute a program for a certain amount of time. The context of the processor at the end of that time may...
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7403893 |
Method and apparatus for reconstructing voice information
A communication system includes a destination that receives voice samples and a voice parameter generated by a source. The destination uses the voice samples and voice parameter to reconstruct...
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7386781 |
Method and apparatus for increasing the effective range of a communication link in a wireless communication system
A method is presented comprising identifying a weak component in a wireless communication link, instructing a transmitter of the weak component to invoke repetition coding, and selectively...
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7346646 |
Method and apparatus for transmitting data frames, and a method and apparatus for data rate matching
A method and apparatus for transmitting data frames, and a method and apparatus for data rate matching wherein, via an interleaver, elements to be transmitted are distributed over a plurality of...
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7266752 |
Method of configuring transmission in mobile communication system
Method for configuring a transmission chain in a 3GPP2 system for supporting a flexible or variable data rate of an information bitstream in a process for mapping an information bitstream of a data...
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7260742 |
SEU and SEFI fault tolerant computer
A non-hardened processor is made fault tolerant to SEUs and SEFIs. A processor is provided utilizing time redundancy to detect and respond to SEUs. Comparison circuitry is provided in a radiation...
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7249185 |
Methods, devices and software for redundant transmission of voice data over a packet network connection established according to an unreliable communication protocol
Methods, devices, and software are provided for generating and sending data packets that contain redundant voice data over VoIP connections made under an unreliable network protocol. The redundant...
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7213193 |
Apparatus and method for generating codes in a communications system
There is provided an apparatus and method of generating two-dimensional QCTCs. The sub-code sets of QCTCs with given code rates are generated and the sub-codes are rearranged in a sub-code set with...
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7185261 |
Multidimensional turbo product code decoding of encoded data transmitted over diversity channel
A system and method to transmit and receive forward error corrected data in a diversity communications system is provided. Using diversity techniques, multiple copies of the transmitted data are...
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7137045 |
Decoding method and apparatus therefor
A decoding method and an apparatus operate by performing error correction on code words of an error correcting code block in one direction selected from a row direction and a column direction,...
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7103811 |
Mechanisms for detecting silent errors in streaming media devices
A method for detecting errors in streaming media devices is described. In one embodiment, when a command to write a block of data to a streaming media device is received, integrity metadata...
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7103019 |
Error correction using redundant packet streams in wireless communications systems
A communications system includes a mobile unit that transmits redundant content to a plurality of destinations. A copy of the content that is transmitted to each destination is encoded using a code...
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7093185 |
Apparatus and method for generating codes in communication system
A QCTC (Quasi-Complementary Turbo Code) generating apparatus having: a turbo encoder for generating an information symbol sequence and a plurality of parity symbol sequences by encoding the...
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6977969 |
Digital FM receiver for recovering FM digital data frame in mobile communication system
There is provided a digital data receiver for recovering at least one message word signal from a digital data frame. The digital receiver includes a digital FM demodulator for receiving frequency...
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6850704 |
Low-overhead fault-tolerance techniques for optical and other cross-connect systems
Fault tolerance is provided in a cross-connect system having only duplicated switch fabrics, instead of the triplicated switch fabrics of the prior art. In addition to the two information switch...
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6708299 |
BCA data replay
A first method for acquiring data from a recording on a disk medium, comprises the steps of, successively reading bits defining a data set from different parts of the disk, continuously error...
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6694481 |
Method and device for reading programmes into a processor-controlled device
The invention relates to a method for reading programmes into a device which processes data using a processor, according to a programme stored in a programme memory. A programming device sends...
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6614847 |
Content-based video compression
A video compression method and system including object-oriented compression plus error correction using decoder feedback.
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6601217 |
System and method for error correction in an electronic communication
A system and method are provided for performing error correction for all or part of an electronic communication, such as a routing header of a packet. At a transmitting entity the routing...
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6543027 |
On-chip detection of clock gitches by examination of consecutive data
An application specific integrated circuit includes a clock recovery circuit which recovers from an input signal a repetitive sequence of data values wherein no two consecutive values are the same...
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6523148 |
Majority decision method for improved frame error rate in the digital enhanced cordless telecommunications system
A majority decision method for improved frame error rate in the digital enhanced cordless telecommunications (DECT) system. Specifically, one embodiment of the present invention includes a method...
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6519740 |
Bit detection method in a radio communications system
The present invention relates generally to the detection of bits which are protected by repetition, and which, along with their repetitions, have associated soft values available which give a...
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6412094 |
Method and circuit for performing 3/5 major voting
A method for performing 3/5 major voting in the TACS/AMPS mobile phone system, in which a word of the message frame is transmitted repeated five times and every bit of the word is given a value at...
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6154147 |
Message processing in two-way data devices
In a technique for reducing duplicate messages in a two way data device, a determination (30) is made as to whether a first signature of a new message is the same as a second signature of a...
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6122767 |
Method and apparatus for noise reduction of cyclic signal by selecting majority logic state of corresponding portions of plural cycles
An EDTV application utilizing a Synchronous Vector Processor (SVP) includes the operation whereby noise is reduced in the operation to demodulate the chroma signal. Initially, the NTSC composite...
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6119258 |
Video error/distortion checker
A video error/distortion checker generates a difference signal from an input repetitive digital signal and a reference data signal corresponding to the input repetitive digital signal. The...
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6105087 |
Event recognition by a state machine whose state is dependent upon historical information
A data-analyzing unit monitors and/or analyzes events on an information bus. The data-analyzing unit comprises an event recognition unit with one or more comparators coupled to the information bus...
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6091711 |
Multiplex communication method and multiplex communication apparatus
In a multiplex communication method for implementing multiplex communication between a plurality of circuit units, a format of a transmitted data signal not only is formed of serial data consisting...
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6061821 |
Context based error detection and correction for binary encoded text messages
A system for encoding and decoding a binary encoded text message using coxt-based error detection and correction implements the stops of: a) defining a dictionary of m dictionary words, W i , where...
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6018816 |
Information processing system and method, image processing system and method, information processing apparatus and computer readable memory
A system comprising devices connected via a 1394 serial bus solves a problem that if omission of data packet occurs in isochronous transfer capable of high-speed data transfer, only data without...
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5995559 |
Methods for improved communication using repeated words
Instead of simply taking a bit-wise majority vote of several received encoded data words and decoding the result of the vote, the chances of usefully decoding a word may be increased by decoding...
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5987639 |
Data decoding logic in a mobile phone
The data decoding logic arrangement of the invention provides 3/5 voting on data blocks received (1) in a frame. The decoded data (12) is preferably clocked out during reception of the first data...
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5948116 |
Bit error correction algorithm
A corrected digital response signal is generated from a corrupted transponder response signal by receiving the response signal an odd number of times, greater than one, and sampling each received...
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5929783 |
Method for decoding and error correcting data of tactical air navigation and distance measuring equipment signals
A method and apparatus for encoding and decoding data on navigation signal pulse pairs utilizes pulse position modulation (PPM). The pulse interval between a first pulse and a second pulse of the...
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5914971 |
Data error detector for bit, byte or word oriented networks
A data error detection method for a bit, byte or word oriented network wherein a protected data unit 46 and an associated data check unit 50 are addressed to a particular field device located on...
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5907567 |
Apparatus for detecting reproducing signal in recording media and method thereof
In a disk storage system using an RLL coding and an NRZ1 recording method and applying a (1+D) PR channel, a viterbi detector of the present invention includes an inverter for multiplying a present...
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5883581 |
Time diversity radio system using transparent address vector and message repeats
A method of decoding a repeat message made up of repeat message fragments at a selective call receiver (122) using a synchronous wireless protocol having time diversity includes the step of...
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5835023 |
Selective radio paging system and pager
In a mobile radio communication system wherein, in order to call a receiver from a base station, a paging signal containing address information corresponding to the receiver to be called is...
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5794124 |
Time diversity communications system
A system wherein time diversity reception is performed for each error-corrected or error-detected code word without distinguishing between the address signal and the message signal, the code words...
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5768630 |
Apparatus for receiving and transmitting a serial data
A receiving and transmitting apparatus of a serial data has a transmission rate as fast as that of a communication apparatus of parallel data. The present invention compresses and transmits a...
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5745482 |
Repeating device
In a repeating device for sending chargeable satellite broadcasting received through a BS antenna to a connected cable, a scrambled video signal and an audio signal are separated from each other by...
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5706299 |
Sonet tributary ambiguity resolution for elastic store control
Read and write addresses on the local and line sides of a SONET elastic store are compared at least twice in order to determine any ambiguity in the comparison and, if so determined, foregoing any...
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5703562 |
Method for transferring data from an unsecured computer to a secured computer
A method is described for transferring data from an unsecured computer to a secured computer. The method includes transmitting the data and then receiving the data. Next, the data is retransmitted...
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5682148 |
Paging system with message numbering prior to transmission
A paging system repeatedly broadcast each message and associates a sequential message number with each paging message. The message number in each message serves two functions. First, the message...
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5661763 |
Apparatus and method for detecting programmable length bit pattern in serial digital data stream
A programmable digital bit pattern detector detects the presence of a variable length, variable content M-bit serial bit pattern that is sequentially repeated in a digital bit stream during some...
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5646996 |
Automatic resynchronization of transmitter in the event of corrupted memory
Loss of synchronization between transmitter and receiver of a remote entry system is detected during the communication sequence between transmitter and receiver, by generating a checksum of the...
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5592471 |
Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
Mobile radio receivers in a broadcasting system having more than one transmission channel sending the same programs use time diversity to prevent service outages during periods when none of the...
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5479421 |
Data input control device for serial controller
A data input control device for a serial controller wherein a plurality of nodes each having one or a plurality of sensors connected thereto are serially connected to each other with a main...
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5477168 |
Finite state machine with means for the reduction of noise effects
A finite state machine that may receive actuator signals and has a plurality of elementary sequential logic elements fed by the actuator signals. Through various interconnections between the...
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