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Iterative detection in MIMO systems
Iterative detection for a MIMO (multiple-input, multiple-output) wireless communications system uses multiple stages for interference cancellation refinements....
Linear space-time block code with block STTD structure
Space-time block code with structure of a block STTD. 2.times.2 blocks allow partial orthogonality for low-complexity detection and optimized diversity gain and...
System for reducing row periphery power consumption in memory devices
The present invention provides a system for reducing row periphery power consumption in a semiconductor memory device, particularly during sleep mode operation....
Accelerated low power fatigue testing of FRAM
Systems and methods fatigue a ferroelectric memory device. Within a single cycle, a group of selected ferroelectric memory cells is fatigued by reading a first...
Thermal shutdown trip point modification during current limit
A thermal shutdown circuit for protecting a main FET that conducts a load current ILOAD. A reference circuit provides a temperature current proportional to...
Wave torque retract of disk drive actuator
A disk drive actuator circuit adapted to retract a head assembly when a capacitor discharges energy to the voice coil. This voltage may be modulated to deliver...
Preamplifier fly height control (FHC) driver and sensing circuit
Managing temperature of a read/write head (120) in a disk drive system in which there is a power variance due to different operation modes. A circuit device...
Method for patterning sub-lithographic features in semiconductor
A method of forming a gate electrode (24') for a metal-oxide-semiconductor (MOS) integrated circuit is disclosed. A hardmask layer (26), for example formed of...
Gas switching during an etch process to modulate the characteristics of
Gas switching is used during an etch process to modulate the characteristics of the etch. The etch process comprises a sequence of at least three steps, wherein...
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection...
Apparatus and method for detecting address characteristics for use with a
trigger generation unit in a target...
A comparator unit includes first and second comparator components. The first and second comparator components exchange signals and generate signals when certain...
Indirect data protection using random key encryption
A computing platform (10) protects system firmware (30) using a manufacturer certificate (36). The manufacturer certificate binds the system firmware (30) to the...
Adaptive cancellation network system and method for digital subscriber
A method for reducing transmit echo in a DSL modem comprises selecting at least one cancellation device of a plurality of cancellation devices. An attenuation...
Searching in a spread spectrum communications
This disclosure is generally directed to communication systems, devices used in communication systems and associated methods which may implement parallel...
Method and apparatus for providing transmit diversity with adaptive basis
A method and apparatus are provided that uses the feedback information from an ARQ signal that is received to control the transmit diversity of a transmitter....
Bit line control for low power in standby
The present invention achieves technical advantages as embodiments of an SRAM cell (20, 30) having the bit line voltage (BLB/BLB) controlled during standby, such...
Innovative method of correlated double sample (CDS) circuit testing
The present invention comprises a test set-up (20) and method of testing a correlated double sampling circuit (CDS) (24) by using a sinusoidal test signal (22)...
System and method for presenting serial drive signals for effecting
communication of a plurality of parallel...
A system for presenting serial drive signals for effecting communication of parallel data signals includes: a controller; a serializer coupled with the...
Fast settling, low noise, low offset operational amplifier and method
An amplifier (10) includes a first stage (4) including differentially coupled first (Q1) and second (Q2) input transistors and a controlled active load circuit...
Automatic gain control for a multi-stage gain system
Systems and methods are disclosed for providing automatic gain control of a multi-stage system. A method can include defining at least one parameter that is...
A steering current generator for a phase interpolator has a multiplicity of fine phase adjustment current sources, each of which is switchable to direct its...
Source/drain extension implant process for use with short time anneals
The present invention provides, in one embodiment, a process for fabricating a metal oxide semiconductor (MOS) device (100). The process includes forming a gate...
Method and apparatus to minimize power and ground bounce in a logic device
A predictive power regulation apparatus and method that minimizes power and ground bounce in a logic device. The apparatus includes a predictor and a voltage or...
Encoding in speech compression
Linear predictive system with classification of LP residual Fourier coefficients into two or more overlapping classes, and each class has its own vector...
Method and system for determining noise components of an analog-to-digital
A method and system is provided for determining noise components of an analog-to-digital converter. In one aspect of the invention, a method comprises providing...
Linear single-antenna interference cancellation receiver
System and method for interference cancellation in a digital wireless communications system. A preferred embodiment comprises sampling a received signal wherein...
Method and apparatus for decoding punctured subframes
System and method for decoding punctured subframes. A preferred embodiment comprises a first deinterleaver unit (for example, 5-ms deinterleaver 502) and a...
Wireless system with hybrid automatic retransmission request in
A wireless receiver for receiving signals from an interference-limited transmitter in an interference-limited system comprising at least one transmit antenna,...
System and method for information decoding using batched processing of
System and method for decoding received information using batched processing of independent parameters. A preferred embodiment comprises a decoder (for example,...
System and method for intelligent processing of results from search of
direct sequence spread spectrum (DSSS)...
A method and system for processing the results of searches for signals in a direct sequence spread spectrum communications system in an intelligent and efficient...
Transport packet parser
A transport packet parser (42) includes a transport packet header decoder (50) for identifying a packet identifier (PID) and continuity counter (CC) associated...
Method and apparatus for channel quality metric generation within a
packet-based multicarrier modulation...
A communication system includes a receiver having a variable gain module and a baseband processor. The baseband processor measures the power of the signal...
Optical coating on light transmissive substrates of micromirror devices
Disclosed herein is method of operating a device that comprises an array of micromirrors. The method comprises a process usable for repairing stuck micromirrors...
Oversampling analog-to-digital converter and method with reduced chopping
A delta-sigma modulator includes a chopper-stabilized integrator, a quantizer having an input coupled to an output of the integrator, an input signal acquiring...
High-speed, accurate trimming for electronically trimmed VCO
A tuning circuit uses a VCO with a trimming capacitor bank. The trimming capacitor bank is calibrated by logic to accommodate a desired frequency, f.sub.wanted....
Solder ball pad structure
An interconnect structure a substrate, a contact pad disposed over a surface of the substrate, and an insulative mask disposed over the contact pad. The...
Metallization scheme including a low modulus structure
The present invention provides a metallization scheme, a method for manufacturing the metallization scheme, and an integrated circuit including the metallization...
Raised solder-mask-defined (SMD) solder ball pads for a laminate
electronic circuit board
A raised solder-mask-defined (SMD) pad configured for receiving a solder ball on a laminate electronic circuit board and a method of creating the raised SMD pad...
Symbol detecting with large frequency error
System and method for detecting symbols wherein there may be a large frequency error. A preferred embodiment includes receiving an estimated frequency error,...
Limit-cycle-free FIR/IIR halfband digital filter with shared registers for
high-speed sigma-delta A/D and D/A...
A multiplexed FIR/IIR digital filter structure (300) which offers linear phase response and low group delay by switching on a FIR filter portion (31) or a IIR...
Fast hopping frequency synthesizer using an all digital phased locked loop
A novel and useful fast hopping frequency synthesizer and transmitter associated therewith. The frequency synthesizer and transmitter incorporates a digitally...
Two-stage symbol alignment method for ADSL transmission in the presence of
Method embodiments for achieving hyperframe symbol synchronization are disclosed, along with device and system embodiments for implementing such methods. In one...
Adaptive algorithms for optimal control of contention access
Contention for a shared communications medium in a communications network involves a fine balancing act between wasting much network bandwidth sitting idle or...
Speaker tracking on a multi-core in a packet based conferencing system
A distributed intelligence conferencing system having a plurality of conferencing nodes to connect groups of participants to a conference. Each of the...
Local ESD power rail clamp which implements switchable I/O decoupling
Methods and circuits are disclosed for providing distributed ESD protection switchable between a capacitive decoupling state and an ESD protection state. The...
System and method for improved time-interleaved analog-to-digital
System and method for improved time-interleaved analog-to-digital converter arrays which reduces sampling mismatch distortion found in prior art arrays. There...
Notch filter for ripple reduction in chopper stabilized amplifiers
A chopper-stabilized amplifier receiving an input signal includes a first operational transconductance amplifier having an input chopper and an output chopper...
Write driver with continuous impedance match and improved common mode
The present invention describes a voltage-mode boosting write driver circuit (160), comprising a plurality of inputs (WDP, WDN), a plurality of outputs (HWX,...
Method for estimating the early failure rate of semiconductor devices
According to one embodiment of the invention, a method for estimating the failure rate of semiconductor devices includes obtaining accelerated stress duration...
System and method for high performance heat sink for multiple chip devices
A custom-molded heat sink corresponds to an individual substrate and includes a heat sink lid having at least one cavity corresponding to at least one die...