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Systems and methods for dynamic data masking
Systems and methods for dynamic data masking are disclosed. The disclosed methods and systems can be used to dynamically mask data in cryptographic operations,...
Method and circuit for cryptographic operation
A method of performing a cryptographic operation including: receiving a plurality of binary input values; splitting the binary input values into a plurality of...
Apparatus to implement several high performance phase interpolators are disclosed. Some embodiments are directed to a full-wave integrating phase interpolation...
Phase locked loop (PLL) architecture
In one embodiment, a phase locked loop (PLL) comprises a voltage-controlled oscillator (VCO), a frequency divider configured to frequency divide an output...
Linearity of phase interpolators by combining current coding and size
A phase interpolator, including: a first portion including a first plurality of branches and a plurality of tail current sources, each branch including a...
Method and apparatus for time synchronization between nodes
A method and apparatus for time synchronization between a plurality of nodes in a network. The apparatus distinguishes between an optical synchronization signal...
Multi-mode phase-frequency detector for clock and data recovery
A clock and data recovery (CDR) circuit produces an in-phase clock, a quadrature clock offset by 90 degrees from the in-phase clock, and an auxiliary clock...
Apparatus for compensating for skew between data signals and clock signal
An apparatus for compensating for a skew is provided between data signals supplied through a plurality of data lines and a clock signal supplied through a clock...
Multiphase clock data recovery circuit calibration
Methods, apparatus, and systems for clock calibration are disclosed. A method for clock data recovery circuit calibration includes configuring a first clock...
A frequency divider comprises a signal generation stage arranged to employ a clock at a clock frequency to provide a first reference signal and a second...
Point-to-multipoint microwave communication
A microwave communication system may include subscriber stations in communication with a base station. The stations may include time duplex circuitry normally...
System and method for energy efficient ethernet with asymmetric traffic
System and method for energy efficient Ethernet with asymmetric traffic profiles. A low power mode such as a low power idle mode is typically leveraged when...
Dynamic polarization modulation and control
A method for sending a data from an electromagnetic radiator by polarization modulation of an electromagnetic wave includes radiating from the radiator first...
Method and system for transmission and reception of signals and related
method of signaling
A base station (e.g., an evolved Node B) determines whether the physical broadcast channel (PBCH), reference signals (SCH) and common reference signals (CRS)...
Method and apparatus for scheduling asynchronous transmissions
The present invention provides a method of scheduling asynchronous transmissions for a plurality of subscriber units. The method includes receiving information...
Apparatus and method for transmitting channel quality indicator and
acknowledgement signals in SC-FDMA...
A method and apparatus are provided for transmitting symbols in wireless communication system. A method includes determining a channel quality indicator (CQI)...
Method of transmitting and receiving ACK/NACK signal and apparatus thereof
Disclosed is a method for transmitting an ACK/NACK signal for an HARQ (Hybrid Automatic Repeat reQuest) in a CA (Carrier Aggregation) system, the method...
Method and apparatus for allocating a control channel resource of a relay
node in a backhaul subframe
A method and apparatus for configuring a control channel between a first transceiver and a second transceiver in a communication system are provided. The method...
Method and apparatus for transmitting and receiving different signal types
in communication systems
A method and apparatus are provided for transmitting a Reference Signal (RS) by a User Equipment (UE) in a wireless communication system. The method includes...
Transmission and reception of proximity detection signal for peer
Techniques for performing peer discovery to enable peer-to-peer (P2P) communication are disclosed. In an aspect, a proximity detection signal used for peer...
Method and apparatus for mitigating pilot pollution in a wireless network
Techniques for mitigating pilot pollution in a wireless network are described. In an aspect, pilot pollution may be mitigated by reducing density and/or...
Pilot arrangement method in mobile radio communication system and
transmitter/receiver adopting same
A mobile communication system in which a working frequency band is divided into a plurality of predetermined frequency bands, and time division multiplexing is...
Method of interference cancellation and method of detection of erroneous
neighbour cell measurements
Methods of interference cancellation are provided. Channel estimation is performed with or without interference cancellation. Methods of detection of erroneous...
Method and base station for transmitting downstream link data, and method
and user device for receiving...
The present invention relates to a method and apparatus which transmit/receive at least one demodulation reference signal by using a CDM group and/or a...
Communication method and radio transmitter
Radio transmission is performed even to a communication party whose bandwidth that can be used for transmission and reception is limited without having an...
Pre-coding in multi-user MIMO
In a multi-user communication system, a pre-coder in a transmitter comprises a Discrete Fourier Transform (DFT) spreader configured to spread reference-signal...
Systems and methods for configuring redundant transmissions in a wireless
A method for configuring communication in a wireless communication system includes obtaining, at a first network node, information indicating a plurality of...
Communication system with flexible repeat-response mechanism and method of
A communication system includes: a message communication module configured to communicate a preceding data before a repeat request; a metric module, coupled to...
Uplink control data transmission
Methods and systems for transmitting uplink control information and feedback are disclosed for carrier aggregation systems. A user equipment device may be...
Protocol synchronization for HARQ background
A method and apparatus according to the present invention addresses and/or prevents lost protocol synchronization in HARQ systems caused by ACK/NACK errors. One...
PAM data communication with reflection cancellation
The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a communication...
Vector signaling with reduced receiver complexity
Methods and apparatuses are described to determine subsets of vector signaling codes capable of detection by smaller sets of comparators than required to detect...
Optical transceiver and data mapping method using thereof
Disclosed is an optical transceiver. The optical transceiver includes a decoder for decoding an 8B10B line-coded signal; a data mapper for separating the...
Packet retransmission and memory sharing
Through the identification of different packet-types, packets can be handled based on an assigned packet handling identifier. This identifier can, for example,...
Transmission device, reception device and communication system
A video image data encoder comprises an input to receive stereoscopic image data. The stereoscopic image data includes first and second image data having...
Long-distance RapidIO packet delivery
The present invention provides a RapidIO device that includes a switch fabric and a port coupled to the switch fabric. The port is configured to establish a...
Method for detecting control information in wireless communication system
A method for detecting control information in a wireless communication system is provided. The method includes checking a cyclic redundancy check (CRC) error by...
Facilitation of security employing a femto cell access point
One or more femto cell access points (FAPs) are employed to facilitate provisioning of security. A signal indicative of an intrusion in an area associated with...
Subchannel photonic routing, switching and protection with simplified
upgrades of WDM optical networks
The present invention includes novel techniques, apparatus, and systems for optical WDM communications. Tunable lasers are employed to generate respective...
Adjusting carrier spacing in a channel
An optical system may include optical transmitters to provide respective optical signals. Each of the respective optical signals may provide one or more...
Methods and devices for space-time multi-plane optical networks
Scalability and energy efficiency are key issues in data centers imposing tight constraints on the networking infrastructure connecting the servers. Optical...
Optical spot array pitch compressor
An apparatus comprises a passive wavelength division multiplexing (WDM) demultiplexer (DeMUX) or a passive WDM multiplexer (MUX), an active photo diode (PD)...
Communication control equipment
Communication control equipment is connected to a plurality of communication control equipment via a network and is configured to be time-synchronized with the...
Method and apparatus of announcing sessions transmitted through a network
An electronic service guide (ESG) is provided by transmitting announcements describing multimedia sessions, such as video streams. Sessions are organized into a...
Quadrature modulation apparatus for AM stereo transmitters
A modulation system for AM stereo transmission wherein in a combination of amplitude modulation and phase modulation allows a pair of unique audio channel...
Transmitting and receiving apparatus and method for separating multiple
broadcast signals in terrestrial cloud...
A transmitting and receiving apparatus and method for separating multiple broadcast signals from each other in a terrestrial cloud broadcast system are...
Antenna device capable of measuring signal strength of a radio frequency
signal received thereby
An antenna device includes an antenna for receiving an RF signal and generating an antenna signal associated with the RF signal, and a measuring device. The...
Method for testing sensitivity of a data packet signal transceiver
A method for using a test data packet signal to test a data packet signal transceiver device under test (DUT) having an operating characteristic defined by a...
Calibration and tracking of receiver
Techniques for calibrating interleaved analog-to-digital converter (ADC) arrays are presented. A transceiver comprises an ADC component comprising an array of...
System and method for enabling automated testing of wireless data packet
A system and method for enabling automated testing of wireless data packet signal transceiver devices under test (DUTs). One or more DUTs are enclosed inside...