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Compact dual-channel transceivers
In one embodiment, a dual-channel transceiver includes two harmonic repeaters each having a receive antenna, a transmit antenna, and a frequency multiplier...
RF receiver with testing capability
An RF receiver device includes a semiconductor chip in a chip package, and a test signal generator integrated in the chip. The test signal generator generates...
Self-tuning transfer function for adaptive filtering
The technology described in this document can be embodied in a computer-implemented method that includes receiving, at one or more processing devices, a...
Device with external metal frame as coupling element for
A device is equipped with at least one communication module. The communication module supports communication on the basis of body-coupled-communication signals....
Signal processing apparatus and signal processing method
Signal processing means includes carrier compensation means for compensating for a phase difference and a frequency difference between signal light and local...
Optical multilevel transmitter and optical transponder
An optical multilevel transmitter includes a semiconductor quadrature optical modulator configured to separately modulate and output in-phase and quadrature...
Optical PAM modulation with dual drive mach zehnder modulators and low
complexity electrical signaling
The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a...
Optical signal modulation
A 2.sup.n-QAM (e.g. 16-QAM) optical modulator comprising cascaded I-Q modulators. The first I-Q modulator applies 2.sup.n-2 (e.g. 4) QAM to an optical signal,...
Multinary signaling based coded modulation for ultra-high-speed optical
Systems and methods for communication using an optical transmission system having optical transmitters and receivers includes performing a low-density...
Modulator for optical transmitter
An optical transmitter has a modulator for modulating data onto an optical signal for transmission to the receiver, the modulated signal having components at...
Dynamic memory allocation in an optical transceiver
Methods, algorithms, architectures, circuits, and/or systems for dynamically allocating memory for storing parametric data in optical transceivers are...
Scheme for remote control of the wavelength of a tunable transmitter in a
A scheme is described for remote control of the wavelength of a tunable transmitter in a smart small form-factor pluggable (SFP) transceiver, a smart SFP plus...
Data transmission coordination over digital subscriber lines
An optical management node comprising a memory comprising instructions, a processor coupled to the memory and configured execute the instructions, wherein...
Auto commissioning for optic distributed antenna system
An optic distributed system includes a head end unit (HE) comprising a head end radio frequency unit (HRFU), at least one remote unit (RU), a corresponding...
Communication system, main unit, radio access unit and communication
A plurality of radio access units form the single cell of a first communication system, while forming respective individual multi-cells of a second...
Radio-over-fiber (ROF) system for protocol-independent wired and/or
A switched wireless system is used to increase the range of peer-to-peer communications. The optically-switched fiber optic communication system includes a...
Hybrid laser anti-clipping for fiber-coaxial networks
Systems, devices, and methods for hybrid anti-clipping in optical links in hybrid fiber-coaxial (HFC) networks are disclosed. A hybrid anti-clipping circuit can...
Remote sensing device and monitoring apparatus
A remote sensor device comprises at least one sensor that produces an output signal indicative of the value of a measure, and a reflective display that is...
Methods and systems for optical channel monitoring with periodic optical
filtering of dual polarization signals
Methods and systems for optical channel monitoring of dual polarization optical signals may use a periodic optical filter to scan a free spectral range of the...
Optical source monitoring system
An example embodiment includes an optical transmission device. The optical transmission device includes an optical source, a collimator lens, and an optical...
Monitoring of optical performance in an optical data transmission network
A method for monitoring optical performance in an optical data transmission network, the optical data transmission network including a first router node, a...
Hands-free optical fiber testing using optical loss test instrument
A method for testing the operation of an optical fiber cable in a communication network using an optical loss test set (OLTS) instrument includes receiving a...
Optical layer status exchange over OSC-OAM method for ROADM networks
A method for receiving, by circuitry of an optical node adapted for wavelength multiplexing and wavelength switching, a signal over OSC comprising overhead...
Transmission apparatus, transmission system, and failure detection method
A transmission apparatus includes a plurality of output units and a detector. The plurality of output units is configured to couple to a plurality of...
Systems and methods for optical dark section conditioning
A method for optical dark section conditioning includes determining a section in an optical network is a dark section that includes connected fiber spans that...
Optical link protection using common modulation of multiple combined
An optical transmitter may include one or more lasers configured to provide a primary optical signal having a primary wavelength and a secondary optical signal...
System comprising a container and visual means able to express a plurality
of visual structures
A system in the technical field of rigid or semi-rigid packaging for cosmetic or pharmaceutical products, is intended to generate visual expressions on a...
Adaptive coding and modulation for spot beam satellite broadcast
A method and apparatus for adaptively controlling a transmission signal for transmission to at least one receiver in a terrestrial region is disclosed. The...
Antenna system with high dynamic range amplifier for receive antenna
An antenna system is provided. The antenna system includes a planar array of antenna elements configured to operate as an array having a plurality of receive...
Intra cell interference mitigation in a wireless network employing relay
A method and relay node (RN) in a wireless communications network for controlling downlink transmissions to User Equipments (UEs) being served by the RN. An RN...
Repeater, broadcast transmitting system and method for relaying broadcast
A repeater, broadcast transmitting system, and method for relaying a broadcast signal between a gateway apparatus and a client apparatus are provided. The...
Relay communication system
A relay communications system is described in which a base station is able to dynamically vary or semi-statically vary the number of resource blocks used to...
Mobile station and radio base station
In order to prevent a mismatch between an HFN used by a PDCP layer on a transmitting side and an HFN used by a PDCP layer on a receiving side, and thereby to...
Systems and methods of antenna orientation in a point-to-point wireless
An exemplary method comprises positioning a first antenna to receive a first signal from a second antenna, the second antenna comprising energy absorbing...
User apparatus and user assignment information estimation method
A user apparatus that is used in a radio communication system including a plurality of base stations, and that includes a function for performing interference...
Equalizing method in a receiver node of a wireless communication system
The present invention relates to an equalizing method in a receiver node of a cellular wireless communication system, the method comprising: receiving at least...
Diversity receiver front end system with switching network
Diversity receiver front end system with switching network. A receiving system can include a plurality of amplifiers, each one of the plurality of amplifiers...
Wireless communication system, wireless communication device, and wireless
A wireless communication system includes a transmitting device and a receiving device each including a plurality of antennas. A plurality of streams are...
Method and device for transmitting signal
Embodiments of the present invention provide a method and device for transmitting signal. The method includes: obtaining a downlink beamforming matrix; and...
Antenna allocation apparatus and method for cellular mobile communication
Methods and apparatuses are provided for communicating with a terminal of a base station in a mobile communication system. Configuration information on a...
Determining a precoder of a codebook
A Network Node, a UE operable in a MIMO system and respective methods performed by the Network Node and UE are provided for determining a precoder of a Codebook...
Receiver device, transmitter device, reception method, and transmission
Provided is a receiver device that can switch between transmission methods, while minimizing increase in the number of blind decryption iterations and the...
Method, system, and device for transmitting coding instruction information
and for determining pre-coding matrix
The present application relates to the technical field of radio communications, and relates specifically to a method, system, and device for transmitting coding...
Adaptive mode-switching spatial modulation for MIMO wireless communication
Techniques are generally described related to tag refinement strategy. One example method for communicating between a first wireless system having a plurality...
Broadcast signal transmitter/receiver and broadcast signal
A broadcast signal transmitter according to one embodiment of the present invention comprises: an input signal generating unit which generates a first input...
Method and apparatus for performing antenna virtualization using
polarimetric antenna in a wireless...
A method and apparatus for transmitting a signal using a polarimetric antenna to a reception apparatus in a wireless communication system are disclosed. The...
Device, system and method of wireless communication via a plurality of
Some demonstrative embodiments include devices, systems and/or methods of wireless communication via multiple antenna assemblies. For example, a device may...
Spatial mode adaptation at the cell edge using interferer spatial
A system and method is proposed for adapting the spatial transmission strategy in a cellular MIMO (multiple input multiple output) communication system for the...
System and method for autonomous combining
A user agent capable of carrying out autonomous combining. The user agent can be implemented as a processor configured to promote receiving a first signal from...
Power supply device, power receiving device, charging system, and obstacle
Provided are a power supply device, a power receiving device, a charging system, and an obstacle detection method that obtain a sufficient obstacle detection...