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Transmitter module outputting wavelength multiplexed light
A transmitter module having a plurality of semiconductor laser diodes (LDs) as optical signal sources that emit optical respective optical beams with specific...
Optical transceiver having optics with rotated optical path
An optical communications module includes first and second opto-electronic devices and an optics device, in which a common beam path axis is oriented in a...
Adaptive multi-client single host TDMA communications
TDMA communications between a host device and a number of clients on a communications channel are dynamically adapted to allocate or de-allocate time slots in...
Transmission apparatus and method
A transmission apparatus includes an acquisition device that acquires a switch request for plural types of transmission sections overlapping with one another at...
Communication apparatus and communication method
A managing station comprises a delay time measuring unit that measures, while transmitting a delay time measurement frame to each of the slave stations and...
A Sensor Web formed of a number of different sensor pods. Each of the sensor pods include a clock which is synchronized with a master clock so that all of the...
A digital mixer includes a MO switch and a MO fader in a signal transmission route from each input channel to a bus of a MIX_MINUS type, a signal of the input...
Broadcast-signal transmitter/receiver and method for
transmitting/receiving broadcast signals
As an aspect of the present invention, an embodiment of the invention provides a method of transmitting broadcast data, the method comprising: encoding...
Wideband calibration method and wideband calibration apparatus for
calibrating mismatch between first signal...
A method for calibrating mismatches of an in-phase signal path and a quadrature signal path of a transmitter, including: utilizing the receiver to receive at...
System and method for calibrating bluetooth low energy signal strengths
Disclosed is a system and method for calibrating BLE signal strengths to high-accuracy/precise distances. The present disclosure involves auto-calibrating...
VSWR estimation using correlation to suppress external interference
A method includes accessing sets of correlation values, each set corresponding to a correlation performed between a number of first samples and a same number of...
Terminal device, base station device, communication system, reception
method, transmission method, and...
A terminal device according to an aspect of the present invention includes a reception module that receives a control channel and a spatially multiplexed data...
Handling of signals transmitted through a human body
A signal handling device for handling a signal transmitted through a body, where the signal is coded with a coding scheme and associated clock rate, comprises a...
System and method for enhancing speech of a diver wearing a mouthpiece
Embodiments described herein provide a system, apparatus and methods to enable a diver to communicate more clearly with other divers or locations Embodiments...
Methods and arrangements for frequency shift communications by
Embodiments may provide a way of communicating via an electromagnetic radiator, or light source, that can be amplitude modulated such as light emitting diode...
Bandwidth efficient dual carrier
In some examples, a transmit assembly is described that may include a first optical transmitter, a second optical transmitter, and a polarizing beam combiner....
Wavelength tunable array for data communications
Systems and apparatus for data communications comprising a plurality of wavelength tunable submodules in an array is provided. Each submodule has a wavelength...
Optical fiber transmission line
An optical fiber transmission line capable of minimizing the total splice loss per one span thereof. One span of an optical fiber transmission line provided...
Optical communication interface utilizing N-dimensional double square
quadrature amplitude modulation
The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a...
Optical communication systems and methods
Systems and methods presented herein provide for optical communications. In one embodiment, a communication system includes a plurality of communication nodes...
Connection mapping in distributed communication systems
Power management techniques in distributed communication systems are disclosed. Related components, systems, and methods are also disclosed. In embodiments...
Optical interface module for coherent reception, optical memory module,
and optical memory system comprising same
An optical memory module comprises one or more memory devices configured to store data, and one or more optical interface modules configured to perform optical...
Flicker-free color visible light communication system
The present invention relates to the color communication system so that human eye does not sense flicker. Communication using 3 primary color light pulses is...
Light wave communication
An apparatus for light wave communications is described herein. The apparatus includes an image sensor and a region of interest (ROI) sub-sampler. The image...
Visible light communication device
A variable impedance circuit (2) has an impedance device and is connected in series with a light source (A1). A switch circuit (Q1) is connected in parallel...
Safety and power control arrangement and method for optical fiber
Safety and power control arrangement and method for optical communication apparatus, where a first circuit pack emitting an optical signal (OS1) and at least a...
Transmission unit and a method for transmitting data
A baseband unit for a radio communication system based on time division multiple access includes a data processing unit configured to generate a configuration...
Provision of broadband access to airborne platforms
An air to ground (ATG) broadband access system is described. The system includes: a plurality of cell sites that together form a service coverage area, each...
Multi-hop relay maritime communication apparatus
A multi-hop relay maritime communication apparatus installed in a ship is disclosed. The maritime communication apparatus includes a first access module...
Method and apparatus for transmitting control information from relay node
on backhaul uplink
According to one embodiment of the present invention, the method for transmitting control information from a relay node to a base station on a backhaul link...
Method and apparatus for joint processing and precoding mode selection
based on limited feedback in mobile...
According to one embodiment, a method of a base station configured to select a precoding mode in a mobile communication system. When channel estimate...
Apparatus and method for efficient waveform portability between different
Method and apparatus for generating channelized hardware-independent waveforms include: generating metadata associated with a waveform, the metadata including a...
Flexible, reconfigurable multipoint-to-multipoint digital radio frequency
A distributed antenna system includes network interfaces configured to receive signals from devices external to distributed antenna system and to convert...
Method, user equipment, computer program and computer program product for
selecting an output stream
It is presented a method for selecting an output stream for bits of a bit set. The method comprises the steps of: obtaining indicators of how much transmission...
Four-by-four downlink (4.times.4 DL) multiple-input-multiple output (MIMO)
with existing antenna structures
Antenna structures and methods of operating the same of an electronic device are described. One apparatus includes an antenna structure comprising four antenna...
Mobile terminal apparatus, radio base station apparatus and radio
To provide a mobile terminal apparatus, radio base station apparatus and radio communication method that enable accurate precoding weights to be generated in...
Multi-beam co-channel Wi-Fi access point
A system and method for providing multi-beam Wi-Fi access points. The system includes one or more Wi-Fi transmit antennas beamformers; one or more Wi-Fi receive...
Method for transmitting codewords in multiple input multiple output system
A method for effectively transmitting/receiving a codeword in a MIMO system is disclosed. In a system including a plurality of predetermined rank structures, a...
Signaling for configuration of downlink coordinated multipoint
Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for configuration of downlink coordinated...
Periodic bandwidth widening for inductive coupled communications
A method of inductive coupled communications includes providing a first resonant tank (first tank) and a second resonant tank (second tank) tuned to essentially...
Add-on NFC antenna architecture
A near field communication (NFC) system includes a portable device having an embedded NFC antenna, an add-on module blocking the embedded NFC coil and an NFC...
Power supply apparatus, power supply method, and storage medium
A power supply apparatus includes a receiving unit configured to receive a power supply request and a power supply condition from a power receiving apparatus,...
Communications via wireless charging
Methods and apparatus, including computer program products, are provided for wireless charging. In some example embodiments, there is provide a method. The...
Method and apparatus for charging a battery in a mobile device through a
near field communication (NFC) antenna
A near field communication (NFC) antenna in a mobile device is used to wirelessly charge a battery in the mobile device by placing the mobile device on, or in...
Common communications device
A common communications device comprising an array of near-field coupled resonant elements, the elements each comprising a coupling portion comprising a loop...
Mobile terminal, home appliance and method for operating the same
A mobile terminal, a home appliance and a method for operating the same are disclosed. The mobile terminal includes a display configured to display a...
Method and apparatus for using in-home power lines to support low power
wireless sensors and to extend the...
Disclosed is a system that uses existing power line infrastructure in a building as a distributed reception antenna capable of receiving signals from very...
Communication between network nodes
Network signals are coupled to and from a first communication medium that is coupled to one or more nodes of a first network that exchange signals according to...
Methods and apparatuses for characterizing common mode noise and
estimating loop imbalance
The present invention relates generally to addressing performance issues in xDSL communication systems, and more particularly to methods and apparatuses to...
Method and apparatus for detecting and analyzing noise and other events
affecting a communication system
The present invention generally relates to a method and apparatus for effectively detecting and characterizing noise and other events affecting a communications...