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Communications unit and method
The effects of interference between a communication system operating in a frequency area and another system sending out pulses affecting the frequency area can...
Branching unit for an optical telecommunication link
A branching unit (1) for an optical telecommunication link (100), the unit comprising a first (2), a second (3) and a third terminal (4) for termination of...
Electric power transmission system
An electric power transmission system includes an electrical-optical conversion device and multiple photoelectric conversion devices converting electricity to...
Undersea laser communication using polarization and wavelength modulation
A communications method comprising the following steps: emitting a series of pulses from a transmitter through water, wherein each pulse comprises a plurality...
Clock recovery for optical transmission systems
A receiver for an optical communications system which corrects distortion of a received signal. A clock recovery system utilizing a feedback and feedforward...
Systems and methods for the compensation of nonlinear cross polarization
and cross phase modulation in dual...
The present disclosure provides systems and methods for the compensation of signal distortion in fiber optic communication systems and the like. More...
Coherent optical receiver and optical receiving method
A coherent optical receiver according to an exemplary aspect of the invention includes a coherent optical receiving part performing coherent detection by...
Optical receiver and method for manufacturing the same
An optical receiver for coherent optical communication, includes: a splitting element that splits a signal light into two optical axes; optical hybrids each of...
Feedback for electronic pre-distortion in an optical transmitter
We disclose an optical transponder, in which one or more all-electronic feedback paths are used to obtain a relatively accurate estimate of the device-specific...
Wide bandgap matrix switcher, amplifier and oscillator
An electronic device comprising an optical gate, an electrical input an electrical output and a wide bandgap material positioned between the electrical input...
Optical signal transmitter
An optical signal transmitter includes first and second modulation units, a combiner, and a control unit. The first and second modulation units generate first...
Transmitter apparatus and method
An apparatus comprises a digital signal processing module configured to receive a data stream and generate a plurality of digital multiple tones, a plurality of...
Aligning optical components in a multichannel receiver or transmitter
Embodiments described herein describe a sub-mount that is etched to include respective cavities with at least two adjacent sides that align optical filters and...
Replaceable transmitting module and optical transceiver having the same
A replaceable transmitting module is disposed on an optical connector. The replaceable transmitting module comprises a plurality of optical sub-assemblies...
Variable color data transmission
Systems comprising at least an encoder for receiving a binary string of a data, the encoder adapted to partition the binary string into one or more binary...
System and method for interoperating a radio-over-fiber based network in a
The present invention relates to a system for interoperating a full-duplex radio-over-fiber (RoF) network in a fiber-to-the-home (FTTH) network and to a method...
Remotely reconfigureable distributed antenna system and methods
The present disclosure is a novel utility of a software defined radio (SDR) based Distributed Antenna System (DAS) that is field reconfigurable and support...
Visible light communication method
A visible light communication method. Firstly, a plurality of binary logic streams is sequentially received and a serial-to-parallel conversion is performed on...
Power management for remote antenna units in distributed antenna systems
Power management for a remote antenna unit(s) (RAUs) in a distributed antenna system. Power can be managed for an RAU configured to power modules and devices...
Measuring in-band optical signal-to-noise ratio (OSNR)
One measurement system comprises a polarimeter with a polarimeter detector bandwidth that partially overlaps with a signal bandwidth or completely overlaps with...
Active optical cable assemblies and methods for thermal testing thereof
Active optical cable assemblies and methods for thermally testing active optical cable assemblies are disclosed. In one embodiment, a method of thermally...
Transmission device and method for measuring delay
A transmission device transmits a frame to a correspondent device and receives a frame from the correspondent device. The transmission device includes: a...
Live monitoring of raman and fiber degradation in DWDM networks using
A method of analysing performance of an optical fiber link. As a preliminary step, a reference trace indicative of a distributed optical performance of the...
Unidirectional absolute optical attenuation measurement with OTDR
Devices and methods for optical measurements in point-to-point and point-to-multipoint networks, e.g. like PON networks with splitters are described in which...
Single fiber bi-directional optical module, and transport system and
method based thereon
Embodiments of the present invention include a single fiber bi-directional optical module, and a transport system and method based thereon. The single fiber...
Radio communication apparatus for retransmitting data
A radio receiving apparatus for receiving the variable-length RLC PDU data in an RLC layer includes the buffer memory sectioned into a plurality of areas having...
Graphical user interface pertaining to a bolus calculator residing on a
handheld diabetes management device
A handheld diabetes manager is presented with an improved graphical user interface for a bolus calculator. The bolus calculator is configured to receive blood...
Techniques and systems for wireless communications
Techniques, apparatus and systems for providing radio frequency wireless communications based on time reversal of the channel impulse response of an RF pulse in...
Layer-2 extension services
Methods, apparatuses, and systems for providing layer-2 extension services through a non-routed ground segment network, are described. The method includes...
Real-time signal validation method and system
Systems and methods for real-time signal validation are disclosed. In an example embodiment, a subset of terminals in a peer group of satellite terminals is...
Method for wireless communication based on relay and apparatus for the
Methods for wireless communications based on relay and apparatuses for the same are disclosed. The method for a terminal to transmit signals comprises receiving...
MU-MIMO protocol efficiency
A method for improving multiple-user (MU) multiple-input-multiple-output (MIMO) protocol efficiency includes transmitting an MU frame to multiple devices. The...
Antenna calibration method, system and apparatus
An embodiment of the present invention relates to the technical field of wireless communications, in particular to an aerial calibration method, system and...
Antenna diversity system and method
A system including a diversity module and an antenna selection module. The diversity module is configured to measure i) a first signal-to-noise ratio and a...
Beam information exchange between base stations
A base station receives a message comprising at least one index identifying a subset of a second plurality of beamforming codewords. Each of the second...
Method and arrangement for adapting a multi-antenna transmission
A method in a first node for adapting a multi-antenna transmission to a second node over a wireless channel is provided. The wireless channel has at least three...
Beamforming using base and differential codebooks
Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or...
Method for determining rank indication RI bit number, base station, and
The present invention provides a method for determining a rank indication (RI) bit number, a base station, and a terminal. The method includes: determining, by...
An apparatus, method and system for transmission are described herein. For example, apparatus can include a synthesis engine, a power supply and a multiple...
Data transmission method and apparatus
Embodiments of the present invention provide a data transmission method that relates to the field of communications technologies and is invented for effectively...
Method for selection of received telegram in train wireless communications
A method for selection of a received telegram in a train wireless communications system including a plurality of wireless base stations situated along the train...
Mobile terminal and controlling method thereof
A mobile terminal and controlling method thereof are disclosed, by which data useful in an external device among data accumulated through the mobile terminal...
Transmission device, reception device, and communication system
Provided is a transmission device including a terminal connected electrically to a terminal of another device, and a transmission unit configured to transmit...
Intermediate frequency broadcast of emulated passive RFID signal from a
A radio frequency signal is transmitted by a powered mobile device that emulates a signal of a passive radio frequency identification (RFID) device signal. The...
Receiver of NFC device and NFC device including the same
A receiver of a near field communication device includes a local oscillator, a first channel, and a second channel. The local oscillator may be configured to...
Transmitter, receiver, non-contact power transmission control method, and
computer-readable recording medium
A power transmitting device includes a power transmitter (21) transmitting electric power in a contactless manner, a data communicator (22) obtaining...
Inter-module communication apparatus
The invention relates to an inter-module communication apparatus where the reflection is reduced so that the communication channel can provide high speed and...
Connector between two apparatuses for food production
A connector for data transmission at an interface between two apparatuses for food production, such as meat and sausage production, having a first connecting...
Apparatus and method for providing near field communication for mobile
An apparatus for providing near field communication (NFC) for a mobile device, includes a USB (universal serial bus) signal processing unit configured to...
Electrical device for a powerline system for data transmission and
powerline system for data transmission
An electrical device is provided for a power line system for data transmission, including at least one line of a power supply network, at least one signal line,...