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Variable line-rate optical transmitter by modulation format hopping using
The present method is for generating a 4-level optical signal and it includes providing a continuous wave CW optical source; modulating the CW optical source...
Method and apparatus for estimating cross-phase modulation impairments
A system for estimating cross-phase modulation (XPM) impairments, wherein the method comprises: determining, according to a pump Jones matrix of a pump channel...
Apparatus and method of compensating for compact digital domain chromatic
A method and apparatus of compensating for compact digital domain chromatic dispersion. The distortion of an optical signal due to chromatic dispersion is...
Stabilized microwave-frequency source
A microwave-frequency source at frequency f.sub.M comprises: a dual optical-frequency reference source, an electro-optic sideband generator, an optical bandpass...
Information communication method of transmitting a signal using change in
An information communication method that enables communication between various devices includes: determining a pattern of a change in luminance; transmitting a...
Transmitting and receiving apparatus and method for light communication,
and the light communication system thereof
According to one exemplary embodiment, a light communication system comprises a transmitting apparatus and a receiving apparatus. The transmitting apparatus...
Position sensor for a fast steering mirror
A free-space optical transceiver includes a repositionable mirror for receiving and sending light beams with another transceiver. To properly align the light...
Microchannel plate based optical communication receiver system
A microchannel plate based optical communication receiving system and method of use for extracting embedded information from a covert band of modulated light....
Packet relay system and wireless node
A packet relay system in which each node calculates a link cost of each adjacent node based on an arrival rate of a packet from each adjacent node, acquires an...
Method for device to device communication and base station and user
equipment using the same
A method for device to device communication, a control node using the same, and a user equipment using the same has been proposed. For the proposed method, a...
Beamforming in a satellite communications network includes determining a first delay imparted to signals redirected by a first reflecting dish in a satellite,...
Diversity receiver for wireless communication
A diversity receiver capable of receiving a CDMA system (e.g., a W-CDMA system) and a TDMA system (e.g., a GSM system), with receive diversity for at least one...
Space-time transmit diversity systems and methods for ofdm applications
Embodiments of the invention provide orthogonal Frequency Division Multiplexing-Space-time Block Codes (OFDMSTBC) mappings for code rate 1, 2 and 4 codes for 4...
Communication systems and methods
In accordance with embodiments, a communication system includes a first device and a second device in communication with the first device. The second device has...
Evolved node-B, user equipment, and methods for channel quality indicator
Embodiments of User Equipment (UE), an Evolved Node-B (eNB), and methods for channel quality indicator (CQI) feedback are disclosed herein. An aperiodic CQI...
Method and apparatus for beam tracking in wireless communication system
A method and an apparatus for tracking a beam in a wireless communication system are provided. In the method, a plurality of downlink reference signals are...
Methods and apparatus for directing a beam towards a device in the
presence of interference
Methods and apparatus are provided for directing a beam towards a receiving device in the presence of interference. A beam transmitted by a transmission source...
Method and apparatus to generate virtual sector wide static beams using
phase shift transmit diversity
In one embodiment, the method includes receiving a signal, and generating first and second transmission signals from the received signal. The first signal has a...
Method for transmitting extra spatial layers over the wireless channel
A method of transmitting extra spatial layers over a wireless channel is proposed. In one exemplary embodiment, the invention is directed to a method for...
Low-complexity precoder design for large-scale MIMO communication systems
A method and system are provided. The method includes providing transmit precoders for a multiple-input and multiple-output communication system having a...
Beamforming handover messaging in a wireless network
A first base station transmits a message to a second base station after a handover decision for a wireless device supporting beamforming and multiple carrier...
Two-stage precoding and user grouping for large scale multiple-input
multiple-output (MIMO) systems
Methods are provided. A method includes determining respective weighted likelihoods corresponding to a plurality of users in a multiple-input multiple-output...
Multi-user multiple input multiple output (MIMO) communication with
distributed antenna systems in wireless...
A system and a method are provided. The method includes deploying a plurality of antennas of an access point or a base station as a distributed antenna system....
Systems and methods for transporting digital RF signals
A telecommunications system is provided that can re-sample a digitized signal at a resample rate that is based on one or more factors to better utilize...
Radio communication system, transmitter, receiver, elevator control
system, and substation facility monitoring...
The radio communication system includes a radio transmitter which performs up-sampling on an information signal, and performs modulation on a carrier wave using...
Inductive structures with improved common mode transient immunity
In a first inductive structure, a first data coil includes: a first portion for conducting a first common mode current in a first direction; and a second...
Broadband connection structure and method
A broadband connection structure is disclosed. The broadband connection structure includes a carrier and a chip. The carrier includes a first resonator. The...
Shaping near-field transmission signals
The present disclosure describes apparatuses and techniques for shaping near-field transmission signals. In some aspects, a baseband data signal is shaped based...
Apparatus, system, and method for detecting a foreign object in an
inductive wireless power transfer system
An inductive wireless power transfer system comprises a transmitter configured to generate wireless power signal to a coupling region in response to an input...
Antenna coupler for near field wireless docking
Described herein are techniques related to one or more systems, apparatuses, methods, etc. for a wireless fidelity (Wi-Fi) based wireless docking station...
Direct power transmission load modulation in near field communication
An NFC initiator device requests a passive communication mode by modulating a request onto a first carrier signal. In response thereto, the target device...
Provided is a communication apparatus including a substrate, a high-frequency coupling device including a coupling electrode and a ground formed as a conductive...
Higher order multiple input multiple output in ethernet
A method of MIMO signal transmission on a cable is disclosed. The cable includes at least a first inner conductor, a second inner conductor, and an outer...
Method and apparatus for relaying messages in a PLC network
A method for relaying messages in a PLC network including a relay node and at least two end nodes attached to the relay node, the method including at the relay...
Power conservation and latency minimization in frequency hopping
In one embodiment, a communication device samples a particular frequency hopping sequence during only a particular specified sub-timeslot of a timeslot. If a...
All-digital spread spectrum clock generating circuit with EMI reduction
effect and a method for controlling the...
An all-digital spread spectrum clock generating circuit with EMI reduction effect and a method for controlling the same utilize a digital spread-spectrum clock...
Apparatus and method for pilot detection
Apparatus and method for communication are provided. The solution comprises obtaining as an input a signal; sampling the signal; feeding the sampled signal to a...
Complementary metal oxide semiconductor differential antenna
transmit-receive switches with power combining...
A radio frequency (RF) transmit-receive switch has an antenna port, first and second transmit differential ports and first and second receive differential...
TX antenna selection for LTE in multiple radio devices
Device antennas may be allocated such that a non-LTE module (e.g., GSM module or 1x module) shares the same antenna with an LTE DRx module. This may lead to...
Method and apparatus for managing interference in a communication device
A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to...
Intrinsically safe audio power current circuit and device using same
An intrinsically safe audio power circuit includes redundant electronic fuses disposed between the power input of an audio power amplifier and the battery...
Cableless connection apparatus and method for communication between
Apparatus and methods for cableless connection of components within chassis and between separate chassis. Pairs of Extremely High Frequency (EHF) transceiver...
Protective cover with battery
An apparatus for housing an electronic device having a touchscreen and control features includes a top member and a bottom member. The top member includes a...
Mobile electronic device case clip and method of use
A mobile phone case for a vehicle vent includes a body forming a cavity and configured to carry the mobile phone therein and a clip pivotally attached to the...
Portable electronic device docking station
A portable electronic device docking station adapted for use in a vehicle provides a securement mechanism, electrical power connection, and communication...
Case for a hand held device
A housing assembly for a mobile device includes a cover formed from optically transmissive material, and opaque material formed over a portion of the cover. The...
Methods and devices for displaying multiple subscriber identity module
card slots information
A method for displaying SIM card slot information for use in a device including M SIM card slots, each of which may have a SIM card inserted therein or no SIM...
Systems and methods for controlling local oscillator feed-through
A method for controlling local oscillator (LO) feed-through in a direct transmitter includes detecting a signal level corresponding to LO feed-through in a...
Receiver and transmitter receiver system
A receiver for receiving messages from a transmitter includes a controller and a driver stage for providing a supply voltage to the transmitter based on a...
Transmitting apparatus and method for receiving a digital signal in a
digital telecommunication system
A receiver that receives a reference symbol comprising a sequence of a plurality of synchronization repetition patterns, wherein each repetition pattern...