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7620861 |
Method and apparatus for testing integrated circuits by employing test vector patterns that satisfy passband requirements imposed by communication channels
Embodiments of an apparatus and method for high-speed testing of a device under test are described herein, where the device under test is coupled to a tester via a limited passband communication...
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7619982 |
Active probe path management
A technique manages paths taken by probe packets sent from a source to a target of a computer network. The novel path management technique enables each probe packet i) to be transferred onto a path...
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7610522 |
Compliance of master-slave modes for low-level debug of serial links
A condition is detected to cause a component having physical layer circuitry with a transmitter and a receiver to enter a testing state. The transmitter transmits a pre-selected data pattern while...
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7610521 |
Communication control system and method for supervising a failure
A communication control system has a plurality of control units that are connected via a communication bus to provide bidirectional communication. A control unit detects a failure when it occurs....
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7607054 |
Method of improving the interface efficiency in a communications network
In a method for improving the interface efficiency between two network nodes ( 2, 3, 4 ) in a communications network ( 1 ) the data blocks to be transmitted over the interface are checked for...
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7607045 |
System and method for testing a modification to a process using a simulator
A method of testing a process that has undergone modification. The process consists of multiple steps, and execution of the process involves interaction with multiple interfacing systems. A step...
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7603594 |
Wireless communications system
The present invention is a wireless communications system for simultaneously establishing a basic access network and a wireless access network using at least two kinds of wireless communication...
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7600172 |
Method and device for decoding packets of data within a hybrid ARQ scheme
A device for decoding an incident FEC encoded packet of data within an ARQ scheme. The device includes a processor or processing means for performing successive decoding processes of successive...
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7590770 |
Device-independent control of storage hardware using SCSI enclosure services
A SES API is disclosed as an interface between SES protocol code and non-SCSI storage enclosure hardware to abstract the SES protocol code from the control of the hardware. To control the hardware,...
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7590069 |
Testing an access link between a service provider and a customer
A test system for testing an access link between a service provider network and a customer network comprises an interface and a processing system. The interface is configured to transmit a test...
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7581147 |
Radio resource control-service data unit reception
A method for receiving a segmented communication begins by periodically transmitting the segmented communication. The segmented communication is received and each segment of the segmented...
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7577883 |
Data transmission speed test system and method
A data transmission speed test system is provided. The system includes a computer. The computer is configured for reading data stored in a database and transmitting the data to a target device. The...
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7574634 |
Real time testing using on die termination (ODT) circuit
A system and method to operate an electronic device, such as a memory chip, in a test mode using the device's built-in ODT (on die termination) circuit is disclosed. One or more test mode related...
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7571363 |
Parametric measurement of high-speed I/O systems
A phase comparator is used to test a device under test comprising an input/output (I/O) circuit by applying a signal to the device under test; extracting a phase signal from the phase comparator;...
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7562267 |
Methods and apparatus for testing a memory
In a first aspect, a first method is provided that includes the steps of (1) transmitting a first signal representative of a test operation from a test circuit to a memory via a first signal path;...
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7549096 |
Methods and systems for tracking and playing back errors in a communications network
In accordance with the invention, a Logging Administration Maintenance and Billing Entity (LAMB) is interfaced to a network transport bus for logging network traffic, for error tracking, error...
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7546496 |
Packet transmission device and packet transmission method
A packet transmission device that is connected to a plurality of communication lines, and transmits a packet received, includes a failure detecting unit that monitors a condition of the...
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7532576 |
Site-to-site dynamic virtual local area network
A system for dynamically implementing a plurality of virtual local area networks (“VLANs”) across multiple sites is provided. The system includes a first VLAN-capable switch at a first site; a...
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7525925 |
System and method for selecting an optimal transport format combination using progressive set reduction
A system and method is disclosed for selecting an optimal transport format combination using progressive set reduction. A base station in a third generation wireless telecommunication system...
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7525922 |
Duplex mismatch testing
A method for testing a communication network includes transmitting at least one unidirectional flow over a path through the network, and measuring arrival characteristics of the least one...
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7523365 |
Dynamic determination of signal quality in a digital system
A receiving processor is configured with a normal (operational) path and a test path. The test path is configured in parallel with the normal path. The test path simulates and receives as input the...
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7516374 |
Testing circuit and related method of injecting a time jitter
A testing method includes selecting a low-pass filter by simulation, generating testing signals with the low-pass filter receiving output signals of an under-test circuit, and outputting the...
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7509537 |
Prognostic processor system for real-time failure analysis of line replaceable units
A prognostic processor for predicting machine failure in avionics electronics comprises prognostic capabilities in a single integrated circuit, with a processor, volatile and non-volatile memory,...
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7506222 |
System for phase tracking and equalization across a byte group for asymmetric control of high-speed bidirectional signaling
A system for phase tracking and equalization across a byte group for asymmetric control of high-speed bidirectional signaling includes a slave device and a master device that is coupled to the...
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7500161 |
Correcting test system calibration and transforming device measurements when using multiple test fixtures
A test system and methods using the test system correlate measurements of a device under test (DUT) regardless of which test fixture is used for in-fixture testing of the DUT. The test system...
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7493545 |
Reception system that inhibits transmission of acknowledgment or negative acknowledgment signal for a data channel when control information of a control channel exceeds a reception capability of a receiver
When a determination section of a reception apparatus determines that a control channel is intended for the reception apparatus, a comparing section of the reception apparatus compares control...
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7490278 |
PCI express physical layer built-in self test architecture
A built-in self test circuit includes a first pattern generator, an elastic buffer receiver, a command symbol detector, a second pattern generator, and a logic unit. The architecture is capable of...
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7487412 |
Test buffer design and interface mechanism for differential receiver AC/DC boundary scan test
A boundary scan test system including a transmitter and a receiver. The system performs DC and AC boundary scan testing of the interconnections between devices. The system addresses fault masking...
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7484155 |
Analog base-band test apparatus and method by enhanced combination of JTAG and memory in mobile communication system
An analog base-band (ABB) chipset of a mobile communication system comprises a memory configured to store a test pattern, a test control unit configured to generate a control signal during a test...
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7483381 |
Remote testing access
An embodiment of the invention includes a method of operating a remote testing access system. The method comprises receiving a test request from a test device over an incoming time division...
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7480840 |
Apparatus, system, and method for facilitating port testing of a multi-port host adapter
An apparatus, system, and method are provided for facilitating port testing of a multi-port host adapter. The present invention includes a scheduler that schedules execution of a plurality of...
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7467338 |
Apparatus and method for generating an error signal
The invention relates to an apparatus for generating an error signal from an input signal, the error signal to be used for generating a transmit signal, the apparatus comprising: distorter for...
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7464307 |
High performance serial bus testing methodology
According to one embodiment, a built-in self test (IBIST) architecture/methodology is disclosed. The IBIST provides for testing the functionality of an interconnect (such as a bus) between a...
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7461319 |
System and method for downloading files over a network with real time verification
A client-server system for downloading a data file from a server to a client with real time verification. The system including a server. The server including a data file, and a verification file....
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7457995 |
Method and apparatus for generating reference transmission signal for use in testing communications receivers
A method and apparatus for generating a reference transmission signal for use in testing a communications system. A data packet transmission signal containing a plurality of reference data is...
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7454562 |
Performance information in digital storage memory module apparatus and method
A digital storage memory module ( 200 ) comprises a housing ( 201 ) having a first memory ( 202 ) and a second memory ( 205 ) disposed therein. In one embodiment the first memory comprises, for...
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7451365 |
System and method for identifying nodes in a wireless network
Systems and methods for providing a boundary scan test of a wired or wireless network having a plurality of network nodes are presented. The system includes a test station communicatively coupled...
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7444558 |
Programmable measurement mode for a serial point to point link
A serial point to point link that communicatively couples an integrated circuit (IC) device to another IC device is initialized by transferring a training sequence of symbols over the link....
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7437643 |
Automated BIST execution scheme for a link
Training of a link is performed, wherein the link is an interconnect between two devices of a computer system. A built-in self-test (BIST) of the link is performed. A result from the link training...
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7437128 |
Portable interference-generating device for use in CDMA mobile testing
A portable interference-generating device for inducing desired frame error characteristics, such as desired frame error patterns and rates, at a mobile unit receiving a carrier signal having at...
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7434114 |
Method of compensating for a byte skew of PCI express and PCI express physical layer receiver for the same
A method of compensating for a byte skew of a PCI Express bus, the method including determining whether received data are in a training sequence or not, setting an alignment point corresponding to...
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7433069 |
Image transmission method and its apparatus
An image transmission apparatus and method for use with at least two transmission paths having different transmission rates from one another. The image transmission apparatus comprises an image...
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7429925 |
Label printer having an RFID communication function
An electronic apparatus having a RF tag communication function is provided which includes a RF tag reader/writer and a main controller for controlling the RF tag reader/writer. The RF tag...
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7424652 |
Method and apparatus for detection of transmission unit loss and/or replication
One embodiment of the disclosures made herein is a method of detecting a transmission unit fault condition in a network system. In accordance with such a method, an operation is performed for...
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7418646 |
Integrated circuit using wireless communication to store and/or retrieve data and/or check data
In one embodiment, a method is provided that may include generating, at least in part by first circuitry comprised in an integrated circuit, check data based at least in part upon other data,...
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7404115 |
Self-synchronising bit error analyser and circuit
A self-synchronising data bus analyser comprising a generator LFSR, a receiver LFSR and a comparator
wherein the generator LFSR generates a first data set which is transmitted through a data bus...
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7398437 |
Method and system for multi-user channel allocation for a multi-channel analyzer
Multiple channels of a multi-channel analyzer are allocated among multiple users such that each user can initiate and retrieve the results of separate diagnostic sessions or strategies. Each...
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7386767 |
Programmable bit error rate monitor for serial interface
A programmable bit error rate monitor includes an error counter, a monitoring period counter with a programmable upper bound to set the monitoring period, and an error flag generator that compares...
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7373563 |
Root cause correlation in connectionless networks
A method for correlating routing errors to link failures in a network, the method including detecting a link failure between a first and a second router NODES in a network, associating a first node...
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7363563 |
Systems and methods for a built in test circuit for asynchronous testing of high-speed transceivers
Methods and apparatus provide a transceiver, such as a serializer/deserializer device (SerDes), with enhanced built-in self test (BIST). A built-in self test circuit is provided that decouples a...
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