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Communications Technologies for Sale or License

The following are Communications technologies offered for sale or license. Viewing technologies for sale is a free service of IdeaConnection.com, as is connecting with the seller if a technology interests you. Click on a heading below for more information.

Communication allows us to express feelings and thoughts across a specific medium. The communications industry is associated with radio, television, telephones, fibre optics and other wavelength industries. Post your business technology for sale or license here.

MOBILE REMOTE CONTROL OF A SHARED MEDIA RESOURCE

Systems and methods for controlling a shared media resource are disclosed. One embodiment includes an edge device adapted to control the media resource based on content selection votes received from u..

RF CONTROLLED DEVICES TO INCREASE COMPLIANCE WITH HANDWASHING PROTOCOLS

A system for monitoring compliance with handwashing protocols by a plurality of workers, each worker carrying a wireless tag having a worker identifier, the monitoring being performed in a facility ha..

DEVICE AND METHOD FOR ITERATIVE INTERFERENCE COMPENSATION FOR MOBILE RECEPTION OF OFDM SIGNALS IN FAST VARYING MULTIPATH PROPAGATION CHANNELS

A receiver and receiving method for Inter-Carrier Interference (ICI) compensation in an orthoghonal frequency division multiplexing (OFDM) system is provided. The receiver comprises an OFDM-demodulato..

TRANSMISSION DEVICE FOR GENERATING AN ANALOG MODULATED PULSE TRAIN AND FOR TRANSMITTING THE SAME AND A RECEIVING DEVICE FOR RECEIVING A RESPECTIVE SIGNAL

The present invention relates to a transmission device and to a receiving device. In particular, the invention relates to a transmission device for generating an analog modulated pulse train and for t..

DEVICE AND METHOD FOR IMPULSE TRANSMISSION AND RECEPTION COPING WITH MULTIPATH PROPAGATION, DIFFERENT TYPES OF INTERFERENCE AND LOW SNR

A transmitter for generating a pulse train and for transmitting said pulse train, the transmitter being adapted to generate (1) the pulse train, to modulate (2) the pulse train with respect to the amp..

METHOD FOR COMMUNICATING INFORMATION

The invention relates to amethod for communicating intended information between a sender and at least one receiver in a communication system. The method comprises providing a plurality of elements to ..

ANGLED JUNCTION BETWEEN A MICROSTRIP LINE AND A RECTANGULAR WAVEGUIDE

The present invention relates, in the field of radio-frequency engineering, to a junction element for transferring an electromagnetic wave in a strip conductor to a waveguide. In this case, a waveguid..

DEVICE AND METHOD FOR ITERATIVE INTERFERENCE COMPENSATION FOR MOBILE RECEPTION OF OFDM SIGNALS IN FAST VARYING MULTIPATH PROPAGATION CHANNELS

SWITCHABLE FREEWHEELING CIRCUIT FOR MATRIX CONVERTERS

The matrix converter for converting a single or multi-phase input voltage with a variable or fixed frequency and a variable or fixed amplitude into a single or multi-phase output voltage with a variab..

MONOLITHICALLY INTEGRATED ANTENNA- AND RECEIVER CIRCUIT FOR THE DETECTION OF TERAHERTZ WAVES

The present invention relates to a device for detecting millimeter waves, having at least one field effect transistor with a source, a drain, a gate, a gate-source contact, a source-drain channel, and..

MONOLITHICALLY INTEGRATED ANTENNA- AND RECEIVER CIRCUIT FOR THE DETECTION OF TERAHERTZ WAVES

The present invention relates to a device for detection of millimeter waves with at least one field effect transistor having a source, a drain, a gate, a gate-source contact, a source-drain channel an..

ARCHITECTURE AND TWO-LAYERED PROTOCOL FOR REAL-TIME LOCATION-AWARE APPLICATIONS

A two-layer communication protocol that supports efficient real-time location-aware application on multiple mobile devices that must communicate with each other and/ or a centralized server. The two-l..

ADAPTIVE LOCATION DATA BUFFERING FOR LOCATION-AWARE APPLICATIONS

A method of buffering location data on a mobile device. The method transmits location data packets via an unreliable protocol to a receiving device and buffers a copy of the location data packet. Peri..

Cognitive positioning system

This invention provides arbitrary positioning accuracy for cognitive radio communications in both indoor and outdoor environments adaptively. It enables the user or wireless device itself to adjust po..

LASER-BASED TERAHERTZ AND MILLIMETER WAVE SOURCE

The invention relates to a method and a device for generating electromagnetic radiation in the terahertz and millimeter range, using a non-linear medium generating the indicated radiation by different..

Method and Implementation for Information Exchange Using Markov Models

The replacement of secret keys is a central problem in key management. Typical solutions exchange handshaking messages, involve complex computations, or require the cooperation of trusted third partie..

F-INVERTED COMPACT ANTENNA FOR WIRELESS SENSOR NETWORKS AND MANUFACTURING METHOD

An F-inverted compact antenna for ultra-low volume Wireless Sensor Networks is developed with a volume of 0.024lambdax0.06lambdax0.076lambda, ground plane included, where lambda is a resonating freque..

WIRELESS COMMUNICATION METHOD AND SYSTEM FOR TRANSMISSION AUTHENTICATION AT THE PHYSICAL LAYER

The subject authentication scheme encompasses a large family of authentication systems which may be built over existing transmission systems. By superimposing a carefully designed secret modulation on..

SYSTEM AND METHOD FOR SPATIO-TEMPORAL-CONTEXT AWARE INTERACTION OF USERS WITH AN ENTITY OF INTEREST

A multifunctional interaction system which is capable of spatio-temporal context localization of users and of communication of audio/video streams to an entity of interest defined by the user, include..

PRACTICAL METHOD FOR RESOURCE ALLOCATION FOR QOS IN OFDMA-BASED WIRELESS SYSTEMS

A data communication resource allocation for OFDMA based wireless systems supporting heterogeneous traffic is provided by allocating the rates to users subject to power/bandwidth constraints, accordin..

METHOD FOR FAST ROAMING IN A WIRELESS NETWORK

A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming..

Method and System for Source Authentication in Group Communications

A method and system for authentication is provided. A central node for issuing certificates to a plurality of nodes associated with the central node in a network is also provided. The central node rec..

NOVEL TOPOLOGY SELECTION AND BROADCAST METHOD FOR RULE-BASED LINK STATE ROUTING

An apparatus and method are provided for optimizing the link-state information that is to be broadcast in a routing domain of a communication network for QoS rule-based link-state routing. The routers..

DIGITAL IMAGE COMPRESSION BY RESOLUTION-ADAPTIVE MACROBLOCK CODING

Disclosed is an image encoder that divides a digital image into a set of "macroblocks." If appropriate, a macroblock is "downsampled" to a lower resolution. The lower-resolution macroblock is then enc..

MATCHING WITH A LARGE VULNERABILITY SIGNATURE RULESET FOR HIGH PERFORMANCE NETWORK DEFENSE

Systems, methods, and apparatus are provided for vulnerability signature based Network Intrusion Detection and/or Prevention which achieves high throughput comparable to that of the state-of-the-art r..

LARGE FORMAT HIGH RESOLUTION INTERACTIVE DISPLAY

An interactive display device of a preferred embodiment includes a display surface and a touch interface associated with the display surface. A first LCD layer generates a dynamic parallax barrier and..

METHOD AND APPARATUS FOR SHARING TRAFFIC INFORMATION

A system that incorporates teachings of the present disclosure may include, for example, a communication device having a controller to receive from a system a broadcasted vehicle velocity, detect that..

NETWORK PROTECTION USING NETWORK CODING

A method for protecting against link failures in a communications network having a plurality of paths between senders and receivers is provided. The method includes sending data units by the senders o..

CLOAKING WITH FOOTPRINTS TO PROVIDE LOCATION PRIVACY PROTECTION IN LOCATION-BASED SERVICES

A method for using a location-based service while preserving anonymity includes receiving a location associated with a mobile node, receiving an anonymity level associated with the mobile node, comput..

1+N network protection for mesh networks: network coding-based protection using P-cycles and protection paths

A method and system for providing protection of multiple communication sessions using the bandwidth resources on the order of those required to protect a single communication session. This is facilita..

TRANSMIT OPPORTUNITY DETECTION

The present application discusses, among other things, apparatus and methods for detecting and using a excess capacity on a wireless network medium. A method embodiment includes calculating a differen..

DEVICE AND METHOD FOR NON-CONTACT RECORDING OF SPATIAL COORDINATES OF A SURFACE

The invention relates to a device and a method for non-contact recording of spatial coordinates of a surface, comprising a sensor head (7) and a controller (13) connected to the sensor head (7), where..

ANTENNAS WITH BROADBAND OPERATING BANDWIDTHS

Designs and operations of momentum antennas are presented. In some antenna designs, the terminating discontinuities are complementary with the opposite transmission line's discontinuity. In other ante..

FLEXIBLE ANTENNAS AND RELATED APPARATUSES AND METHODS

Embodiments of antennas over flexible substrates are described herein. Other embodiments and related methods are also disclosed herein.

MICROPHONE DEVICES AND METHODS FOR TUNING MICROPHONE DEVICES

The present invention relates generally to microphone devices useful, for example, in hearing aid devices. The present invention relates more particularly to tunable microphone devices, and methods us..

COMMUNICATION INTERFACE FOR SENSORY STIMULATION

Techniques, apparatuses, and systems for interfacing multiple sensors with a biological system can include amplifying signals from respective sensors associated with an external device; modulating the..

SET-TOP BOX PEER-ASSISTED VIDEO-ON-DEMAND

A peer-to-peer (P2P) video-on-demand (VoD) system or method use a plurality of LP-enabled VoD set-top box (STB) peers in a pool for providing video content data to a requesting client peer in the pool..

METHODS AND SYSTEMS FOR REDUCING MAC LAYER HANDOFF LATENCY IN WIRELESS NETWORKS

In accordance with the present invention, computer implemented methods and systems are provided for reducing handoff latency in a wireless network. In response to detecting that a handoff is necessary..

ANTENNA WITH MULTIPLE CO-LOCATED ELEMENTS WITH LOW MUTUAL COUPLING FOR MULTI-CHANNEL WIRELESS COMMUNICATION

An antenna that has a number of co-located elements, with no (or very small) coupling between the various elements. The antenna may comprise one or more electric dipole elements, such as an electric t..

SYSTEM, METHOD AND DEVICE FOR PREDICTING NAVIGATIONAL DECISION-MAKING BEHAVIOR

A system method and device for predicting navigational decision-making behavior is provided. The location of a device is used to generate the current location of the device, and a history of past loca..

Systems and methods for correlating and distributing intrusion alert information among collaborating computer systems

Systems and methods for correlating and distributing intrusion alert information among collaborating computer systems are provided. These systems and methods provide an alert correlator and an alert d..

METHODS AND SYSTEMS FOR CONTROLLING TRAFFIC ON A COMMUNICATION NETWORK

Methods and systems for controlling traffic on a communication network are provided. In accordance with some embodiments, methods for controlling traffic on a communication network are provided, the m..

SYSTEMS, DEVICES, AND METHODS FOR CONTINUOUS-TIME DIGITAL SIGNAL PROCESSING AND SIGNAL REPRESENTATION

Systems, devices, and methods for continuous-time digital signal processing and signal representation are disclosed. This includes a continuous-time analog-to-digital converter that is configured to r..

SYSTEMS AND METHODS FOR WIRELESSLY RECEIVING DATA

In accordance with some embodiments,, receivers for receiving a wireless data transmission are provided, the receivers comprising at least one amplifier that receives an RF input signal and produces a..

APPARATUS AND METHODS FOR PROCESSING COMPRESSION ENCODED SIGNALS

Apparatus and methods for processing compression encoded signals are provided. In some embodiments, a signal processing method is provided that includes receiving a subband of a compression encoded si..

SYSTEMS AND METHODS FOR DISPLAYING THREE-DIMENSIONAL IMAGES

Systems and methods for displaying three-dimensional (3D) images are described. In particular, the systems can include a display block made from a transparent material with optical elements three-dime..

APPARATUS, METHODS, AND COMPUTER PROGRAM PRODUCTS PROVIDING DYNAMIC PROVABLE DATA POSSESSION

In one exemplary embodiment, a method includes: storing data for a file, organized as blocks, each having a portion of the file (301); and maintaining a skip list for the data (302). The skip list is ..

RECONFIGURABLE CHAMBER FOR EMULATING MULTIPATH FADING

Disclosed is a compact reconfigurable channel emulator, which may be used to emulate severe fading environments and test wireless systems and subsystems for operation in severe channel environments. E..

SYSTEM AND METHOD FOR VISUALIZING A STRUCTURE OF INTEREST

A system. The system includes a computing device configured for communication with an imaging system and with a display device. The computing device includes a contour modeling module. The contour mod..

System and Method for Real Time Asset Location and Tracking

A system for estimating the current position of an asset within a location that includes a transponder associated with the asset, a plurality of wireless interface devices provided within the location..

Sensor and System to Detect Bridge Scour

A system for detecting scour associated with a structure having a part thereof extending into a bed of material located under a body of water is provided. The system comprises a sensor unit buried in ..

TRANSPARENT CONFORMAL POLYMER ANTENNAS FOR RFID AND OTHER WIRELESS COMMUNICATIONS APPLICATIONS

An optically transparent conformal polymer antenna and a method for producing the antenna from optically transparent conductive polymers. The method includes selecting an antenna design; providing an ..

SYSTEMS AND METHODS FOR SELECTING RECONFIGURABLE ANTENNAS IN MIMO SYSTEMS

A method allows reconfigurable multi-element antennas to select the antenna configuration in MIMO, SIMO and MISO communication system. This selection scheme uses spatial correlation, channel reciproca..

MIMO ANTENNA ARRAYS BUILT ON METAMATERIAL SUBSTRATES

A magnetic permeability enhanced metamaterial is used to enhance the antenna array of a Multiple Input Multiple Output (MIMO) communication system. A rectangular patch antenna array is formed includin..

YSTEM AND METHOD FOR 3-DIMENSIONAL DISPLAY OF IMAGE DATA

Disclosed is a system for a 3-dimensional display that includes at least one eyepiece having first and second eyepiece sockets, having a first display contained in said first eyepiece socket associate..

BROADCAST LATENCY OPTIMIZATION IN MULTIHOP WIRELESS NETWORKS

A system and methodology that can optimize practical performance by reducing broadcast latency and collisions in a multihop wireless network is provided. The system includes an optimization component ..

VEHICULAR INFORMATION SYSTEMS AND METHODS

Disclosed is a method and system that receives sensor information from each of a plurality of sensors. Each sensor in the plurality is associated with a vehicle. The sensor information includes locati..

VIRTUAL FLOW PIPELINING PROCESSING ARCHITECTURE

A computer system for embodying a virtual flow pipeline programmable processing architecture for a plurality of wireless protocol applications is disclosed. The computer system includes a plurality of..

METHOD FOR THE OPERATION OF AN ANTENNA GROUP HAVING A PLURALITY OF TRANSMITTERS AND A PLURALITY OF RECEIVERS AND ASSOCIATED APPARATUS

The present invention relates to a method for the operation of an antenna group (1) having M>=2 transmitters and N>=2 receivers (3) for the digital beamforming. In the method, a coherent transmit sign..

Digital beam forming using frequency-modulated signals

The present invention relates to a method for angular determination and/or for increasing the angular resolution or a detectable angular range when operating antenna groups using the technique of digi..

SYSTEM AND METHOD FOR VIRTUAL SERVER MIGRATION ACROSS NETWORKS USING DNS AND ROUTE TRIANGULATION

A first virtual server is moved from a first network location to a second network location without interrupting service to users of the first virtual server. The state and data of the first virtual se..

SYSTEM AND METHOD FOR INJECTING SENSED PRESENCE INTO SOCIAL NETWORKING APPLICATIONS

A method for injecting sensed presence into social networking applications includes receiving sensor data associated with a user, inferring a presence status of the user based upon analysis of the sen..

WIRELESS PASSIVE RADIO-FREQUENCY STRAIN AND DISPLACEMENT SENSORS

Wireless strain and displacement sensors wirelessly monitor structural health and integrity, and are made by printing inductor-interdigital capacitor sensing circuits on a variety of substrates, inclu..

SYSTEMS AND METHODS FOR KEY GENERATION IN WIRELESS COMMUNICATION SYSTEMS

A system and a method for providing a secure wireless ad-hoc network in a wireless communication system having at least two transceivers coupled by a wireless transmission link are disclosed. The meth..

APPARATUS, SYSTEMS AND METHODS FOR ENHANCED MULTI-CARRIER BASED UNDERWATER ACOUSTIC COMMUNICATIONS

Advantageous OFDM-based underwater acoustic (UWA) apparatus, systems and methods are provided according to the present disclosure. In general, OFDM transmissions over UWA channels encounter frequency-..

VIDEO PROCESSING SYSTEM EMPLOYING BEHAVIOR SUBTRACTION BETWEEN REFERENCE AND OBSERVED VIDEO IMAGE SEQUENCES

An image processing method includes calculating sequences of motion labels from each of first and second sequences of images, each sequence of motion labels including motion label values indicating le..

Device for fastening radio-frequency identification transponder at e.g. container to identify and monitor transport cart containing object, has preparing device and mounting device arranged at common

The device (10) has a preparing device (20) i.e. boring machine, for producing a receptacle i.e. borehole, for a transponder in a material of an object e.g. wooden pallet (13). A mounting device (22) ..

A METHOD AND SYSTEM OF ENHANCED PERFORMANCE IN COMMUNICATION SYSTEMS

A method of spatial modulation to identify a transmitter within a transmission array, wherein the transmitter has a unique bit sequence and defines a spatial component indicative of relative location ..

GUIDANCE, NAVIGATION AND INFORMATION SYSTEM ESPECIALLY ADAPTED FOR BLIND OR PARTIALLY SIGHTED PEOPLE

The present invention concerns an orientation, navigation and information system, especially adapted for blind or visually impaired people. It is essentially a system that allows blind or visually imp..

HIGH PRECISION POSITIONING SYSTEM SUITABLE FOR A MOBILE LAND PLATFORM

The present invention concerns a high precision three-dimensional positioning system which is suitable for a mobile land platform, such as an all-terrain vehicle, allowing an efficient survey of the l..

SYSTEM AND METHOD FOR INCREASED OBSERVATION

The invention relates to a system for increased observation, enabling the improvement of the information received by a user observing an event, said system comprising: a means for capturing images loc..

ANALOG SYSTEM FOR GENERATING QUADRATURE SIGNALS

The system comprises at least one injection-tuned oscillator (O1) and at least one analog multiplier (Mx1) with an output (Mx1s1) connected to the input (O1e) of said oscillator (O1) for supplying it ..

METHOD FOR THE COMPLETELY ADAPTIVE CALIBRATION OF A PREDICTION ERROR ENCODER

The method comprises a first step of initialization; a second step of reception and accumulation of block-size data samples, in which for each value received, one is added to the histogram accumulator..

HOUSING FOR MICROPHONE ARRAYS AND MULTI-SENSOR DEVICES FOR THEIR SIZE OPTIMIZATION

A sensor system being is located in an environment composed of a first medium, where waves propagate with a first phase velocity, the sensor system including at least one main enclosure and a sensor a..

Autocorrelation-Based Multi-Band Signal Detection

A receiver device for detecting a multi-band signal, the receiver device comprising a bank of autocorrelation units adapted for separating the multi-band signal into a set of autocorrelation signals, ..

TOF RANGE FINDING WITH BACKGROUND RADIATION SUPPRESSION

A method for measuring time of flight of radiation comprises emitting modulated radiation (51) in response to a first modulation signal, projecting the modulated radiation (51) onto a scene (55), and ..

Lens system for three-dimensional display applications

A lens system for a display system, the display system and a method, adapted for three-dimensional display applications are described. The lens system comprises a first lens array (1) adapted for focu..

SYSTEM AND METHOD FOR POSITION ESTIMATION

The present invention is related to a method for estimating the location of a target device in a wireless network, whereby the wireless network comprises a plurality of reference stations. The method ..

Device and Method for Signal Detection in a TDMA Network

The present invention is related to a circuit (1) for detecting activity in a burst-mode receiver. The circuit is arranged for receiving an input signal (2) comprising a preamble. The circuit comprise..

CENTRALIZED AUTHENTICATION SYSTEM

The present invention provides a method for centralized identity authentication of a user (20), for use in connection with a communications network, based on a network wide reputation for the user. Th..

METHOD AND SYSTEM FOR ANALOG BEAMFORMING IN WIRELESS COMMUNICATION SYSTEMS

The present invention is related to a method of analog beamforming in a wireless communication system, whereby said system has a plurality of transmit antennas and receive antennas. The method compris..

Integrated system comprising waveguide to microstrip coupling apparatus

The present invention provides an integrated system comprising an RF chip (1), an antenna (2) and a transition element for providing signal coupling between a waveguide (5) and a microstrip line (6). ..

METHOD AND APPARATUS FOR REAL-TIME/ON-LINE PERFORMING OF MULTI VIEW MULTIMEDIA APPLICATIONS

A method and apparatus for real-time/on-line performing of multi-view multimedia applications are disclosed. In one aspect, a method of computing a disparity value of a pixel includes computing from t..

MIMO SPHERE DETECTION WITH PARALLEL DISTRIBUTED NODE PROCESSING

The present invention is related to method for detecting a symbol transmitted over a communication channel in a multiple input-multiple output communication system by performing sphere detection. A pa..

METHOD FOR RESOLVING NETWORK CONTENTION

A method for resolving network contention in a wireless network having a plurality of communication devices is disclosed. In one aspect, the method includes determining a set of initial values of at l..

METHOD FOR GENERATING A DATA BLOCK FOR TRANSMISSION USING A CPM SCHEME

A method for generating a data block for transmission using a continuous phase modulation scheme is disclosed. In one aspect, the method includes inserting payload data in the data block, the payload ..

COMMUNICATION DEVICE AND METHOD

The present invention relates to a communication and interoperability device with at least one electronic peripheral apparatus (2), wherein the device includes a electronic processing circuit (6) conn..

METHOD FOR SYNCHRONISING VIDEO STREAMS

The invention relates to method or synchronising at least two video streams from at least two cameras having a common field of vision. The synchronisation method includes at least the following steps:..

METHOD AND SYSTEM FOR THE EFFICIENT AND AUTOMATED MANAGEMENT OF VIRTUAL NETWORKS

The invention relates to a method for the automated management of the performance of at least one virtual network (214, 216, 218) consisting of a plurality of virtual nodes installed on physical nodes..

METHOD AND SYSTEM FOR DEPLOYING AT LEAST ONE VIRTUAL NETWORK ON THE FLY AND ON DEMAND

The invention relates to a method for generating, on the fly and on demand, at least one virtual network (402, 404, 406), adapted for a specific use, on a physical network (200), referred to as an inf..

Electronic dispersion compensation system and method

The invention provides a system and method for an optical communication network to compensate impairments in the network to optimize system parameters, using electronic dispersion compensation (EDC) c..

A reflective optical transmitter

A semiconductor optical amplifier (SOA) is used in a double pass configuration with one of the output ports followed by an attenuator, which is followed by a modulator with a reflective facet. The var..

Robust Routing of Data in Wireless Networks

A wireless network (1) comprises a base station (2) and sensor nodes (3). The base station (2) comprises a network interface (10), an application interface (11), topology control functions (12) a time..

FEMTOCELL CONFIGURATION USING SPECTRUM SENSING

An embodiment provides for the ad-hoc configuration of femtocells (104) using spectrum sensing for the selection of spectrum channels. In this embodiment, frequency bands that are not reserved by macr..

SYSTEM AND METHOD FOR MEASURING OPTICAL SIGNAL-TO-NOISE RATIO

The invention provides a system and method for measuring optical signal-to-noise-ratio (OSNR) in an optical communication system. A channel filter is adapted to select one specific optical communicati..

RADIO FREQUENCY TRANSPONDER SYSTEM

A radio frequency transponder, including: a substrate; and at least one planar antenna on said substrate, said antenna having a shape determining a corresponding resonant frequency of said antenna; wh..

RADIO FREQUENCY TRANSPONDER

Information is encoded in a resonator/antenna structure, which may be interrogated in order to retrieve the information via radio frequency (RF) excitation. The resonator/antenna structure comprises a..

DITRIBUTED TURBO CODING AND RELAYING PROTOCOLS

This invention concerns distributed turbo coding and relaying protocols wireless relay networks. In particular, the invention concerns a method for relaying signals at a relay node, a method for proce..

SIGNAL METHOD AND APPARATUS

Methods and apparatus for generating and processing a signal are disclosed. The signal may comprise a plurality of mutually orthogonal subcarriers constituting a plurality of bands. The signal may be ..

DISPLAYING IMAGE DATA

A method of displaying image data on a display device including obtaining (202) a set of device-specific colour values, each said device-specific colour value in the set being associated with a corres..

BAND-NOTCHED WIDEBAND ANTENNA

The present invention provides a wideband antenna (10) comprising: a substrate (13); a radiating element (12) supported on the substrate and coupled to a transmission feed-line (14); and a resonator (..

MULTIFUNCTIONAL ANTENNA

A multifunctional antenna is described comprising a substrate having a radiating element provided on a first side thereof. A first ground plane is provided in proximity to the radiating element and a ..

MULTIFUNCTIONAL ANTENNA

A multifunctional antenna comprises a radiating element and a microstrip feed line coupled to the radiating element. The microstrip feed line comprises a conductive strip disposed on a first side of a..

RECONFIGURABLE ANTENNA

A reconfigurable antenna comprises two or more mutually coupled radiating elements and two or more impedance -matching circuits (56, 58) configured for independent tuning of the frequency band of each..

SPREAD- SPECTRUM TRANSMISSION IN WHICH NOT ALL CHIPS ARE TRANSMITTED

The present invention provides a method of transmitting a message symbol, by spreading the message symbol using a coding signal. Some chips of the spread message symbol are not transmitted. The comput..

SECURE COMMUNICATION METHOD

An error correction protocol utilising as a security measure the bit error rate of a high bandwidth random data stream (111) broadcast by an optical transmission system (106). A first user (104a) and ..

PERVASIVE DISPLAY SYSTEM AND METHOD FOR OPERATING A PERVASIVE DISPLAY SYSTEM

A pervasive display system, including at least one display device for presenting content, is characterized in that the system further includes a content creator being configured to annotate content wi..

A RECEIVER OF MULTIPLEXED BINARY OFFSET CARRIER (MBOC) MODULATED SIGNALS

A receiver for receiving a navigation signal comprising a carrier modulated by a code modulation function of a given code rate and further modulated by a composite sub-carrier modulation function havi..

METHOD AND APPARATUS FOR BEAMFORMING IN MULTIPLE USERSCOMMUNICAITON USING MULTIPLE ANTENNAS

PURPOSE: A beam forming method in a multi antenna multi user communication system and an apparatus thereof are provided to simplify and integrate a system design, thereby overcoming performance deteri..

APPARATUS AND METHOD FOR BEAMFORMING BASED ON GENERALIZED EIGEN ANALYSIS IN A MULTIPLE INPUT MULTIPLE OUTPUT WIRELESS COMMUNICATION SYSTEM

PURPOSE: A beam forming device using an eigen analysis in a multi input/output communication system and a method thereof are provided to perform multi input/output communication of multi users without..

SCALABLE BUS-BASED ON-CHIP INTERCONNECTION NETWORKS

The present disclosure generally relates to systems for routing data across a multinodal network. Example systems include a multinodal array having a plurality of nodes and a plurality of physical com..

METHOD, SYSTEM, SERVER AND CLIENT FOR TRANSMITTING MEDIA STREAM DATA

A method, system, server and client for transmitting media stream data are provided. The method includes: dividing all clients in a conversation into a first conversation group and a second conversati..

COMMUNICATION TERMINAL AND INFORMATION SYSTEM

A communication terminal and an information system are provided. The communication terminal includes an image/video collecting and generating module (1) to collect and generate stereo image/video data..

Power line communication apparatus and method for controlling the same

The embodiments of the present disclosure provide a PLC apparatus and a method for controlling the PLC apparatus. The method includes: acquiring a working state and a network state of the PLC apparatu..

A METHOD AND A SYSTEM OF VIDEO COMMUNICATION AND A DEVICE FOR VIDEO COMMUNICATION

A method, a system, and a device of video communication are provided. A sub-picture in a synthetic picture corresponding to each audio stream received is marked. Position information of each audio str..

Displaying device, terminal of displaying device, and display method

A displaying device, a terminal of the displaying device, and a display method are provided. The displaying device includes: a calculating unit, configured to calculate the active display area that sh..

A VIDEO ENCODING/DECODING METHOD AND A VIDEO ENCODER/DECODER

A video coding method, a video decoding method, a video coder, and a video decoder are disclosed herein. A video coding method includes: performing base-layer coding for the first view, and extracting..

VIDEO ENCODING DECODING METHOD AND DEVICE AND VIDEO CODEC

A video encoding decoding method and device and a video codec are provided. The video encoding method includes the following steps. A first view picture is basic-layer encoded as a reference view pict..

TELEPRESENCE SYSTEM, METHOD AND VIDEO CAPTURE DEVICE

A telepresence system, a method and a video capture device are provided. The system includes the video capture device, a video display device, an audio capture device, an audio play device and a video..

Systems and Methods for Providing Opportunistic Security for Physical Communication Channels

Systems and methods of providing opportunistic security for physical communication channels are disclosed. One disclosed method is for opportunistic secure communication on a main channel between a se..

COMMUNICATION SYSTEM, TRANSMISSION DEVICE, RECEPTION DEVICE, COMMUNICATION METHOD, AND PROGRAM

The present invention relates to a communication system capable of performing efficient data transmission in HDMI(R) and the like, a transmission apparatus, a receiving apparatus, a communication meth..

COMMUNICATION CONTROL SYSTEM, MOBILE COMMUNICATION SWITCHING DEVICE, SUBSCRIBER INFORMATION MANAGEMENT DEVICE, AND COMMUNICATION CONTROL METHOD

In a communication control system 1, in an acquisition step of acquiring routing information before a line is set, a first mobile communication switching device 100 generates an acquisition request si..

Device for wavelength conversion of optical signal wavelength into another wavelength, has laser light source, which emits optical signal of wavelength

The device has laser light source, which emits an optical signal (S1) of a wavelength (Lambda1), and another laser light source (L2), which emits another optical signal (S2) of another wavelength (Lam..

AUTOMATED VOICE-OPERATED USER SUPPORT

An information device for voice-operated support of a user includes a storage medium, a knowledge database, a processing unit, an input device, a recording component, a transcription component, and an..

PREDISTORTION OF AMPLIFIER INPUT SIGNALS

Described herein are devices, methods, and techniques related to predistortion of amplifier signals based on an operating condition. Predistortion techniques are described that mitigate or eliminate t..

COMMUNICATION SYSTEM AND REDUNDANT CONFIGURATION MANAGEMENT METHOD

A redundant device stores configuration information, including IP addresses and routing information used for transferring user data, and session information for each device in use. Then, in the event ..

Enhancement of Data Transmission Rates for HSDPA Systems

Background The enhancement of data transmission rates is relevant to high speed downlink packet access (HSDPA) systems, such as the system shown in Figure 1. In particular, there is growing interest..

Inometrix Inc.

Current commercial dispersion measurement equipment is incapable of stable, accurate and low cost characterization of short length optical fibers/waveguides. Technology developed by Michael Galle and ..

Opportunistic WIFI Mesh Infrastructure for Broadband Wireless Internet

Mesh networking is a way to route data, voice and routing instructions between Wi-Fi nodes. It allows for continuous connections and reconfiguration around broken or blocked paths by “hopping” fro..

Reflector Antenna with Improved Performance

Researchers at the University of British Columbia have developed a simple, practical, and low cost antenna design for effective transmission and reception of communication signals. The antenna design ..

Adaptable Channel Testbed for Investigating On-the-move Wireless Nodes (ACTION)

ACTION is a comprehensive, real-time platform used to analyze the performance of wireless networks with stationary or mobile nodes. A test-bed or “fictional” approach is essential due to the chall..

High-fidelity Quantum Logic Operations Using Linear Optical Elements

Techniques for high fidelity quantum teleportation include receiving an input photon representing a qubit. Ancilla photons are generated in a particular ancilla quantum state chosen to reduce a rate o..

Quantum Memory for Photonic Qubits

This invention, in one aspect, is a method for performing quantum logic operations using linear optical elements with much smaller errors than in earlier methods. As shown in Fig. 1, the proposed quan..

Apparatus and Method for Quantum Mechanical Encryption for the Transmission of Secure Communications

An apparatus and method were developed that permit the transmission of secure communications. The invention uses quantum mechanical effects to establish nonlocal correlations between a pair of photons..

MULTI-LINE TOWED ACOUSTIC ARRAY SHAPE MEASUREMENT UNIT (SMU)

An acoustic array comprising a plurality of nodes attached to two or more lines. Some or all of the nodes include an emitting transducer and a receiving hydrophone, and the balance include only a rece..

Digital Nulling Pulse Inductive Metal Detector

Pulse induction metal detector (PIMD) antennas come in two basic types. First is a single transmit and receiver coil. The second use separate transmitter and receiver coils. Two basic problems exist w..

Switched Coil Receiver Antenna for Metal Detector

Chloride Ion Sensor

The United States is replacing aging concrete infrastructure and simultaneously developing the tools and techniques to monitor new infrastructure as it ages. Currently, trained personnel base most inf..

Smart Aggregates: Distributed Sensor Suite for Remote Infrastructure Monitoring

Physical and analytical sensors need the ability to communicate via wireless connections to various forms of readout systems. Many applications for sensors are in remote and embedded locations where w..

Dual Frequency Scanning Harmonic Radar for Detection and Identification of Concealed Metallic Weapons and Electronics

A radar system that can rapidly detect and reliably identify targets such as concealed weapons and electronics. Persons either walking through a fixed portal/doorway or walking or congregating in a fo..

Wide Bandwidth Variable Gain Optical Amplifier for Optical Communications Systems

Optical communications systems can suffer from fast (<= millisecond time frames) power variations that can reach across the entire signal spectrum. These type of variations can lead to excessive commu..

Remotely Directed Vehicle Inspection System

Personnel operating check points, border crossings, toll barriers, parking garages, traffic stops and others are subject to many different types of hazards. They include explosives, drugs, weapons, ch..

Prime-Rational Frequency Synthesis Method and Frequency Synthesizers

Frequency synthesizers are an essential element to modern navigation and communications systems, as they provide the means to align and synchronize distributed transmitters and receivers with high sig..

Broadband Clock Recovery Circuit Using YIG Oscillators

JHU/APL inventors have designed a Broadband Clock Recovery Circuit using YIG Oscillators with novel features compared to similar technologies currently circulating in this market. The fields of applic..

Submarine Speed and Depth Communications Enabling Technologies and At-Sea GPS Reception Demonstration

The Johns Hopkins University Applied Physics Laboratory (JHU/APL) has an ongoing interest in providing two-way submarine communications (at speed and depth) and developing buoyant cable antenna (BCA)-..

Media Access Control (MAC) Protocol for neXt Generation (XG) Radio System

This technology allows multiple radios to sense the radio frequency (RF) spectrum in order to determine the frequency, and other dimensional parameters, to be used for transmitting signals between the..

Simultaneous Bi-directional Digital Data Transfer Over A Single Transmission Line

Telephone systems have used “two-to-four-wire hybrids” for years. A telephone hybrid is a multi-winding transformer that connects the two wires of the receiver and the two wires of the transmitter..

Serial and Ethernet Over-The-Horizon (SOTH/EOTH) Communication System

Overview: The Johns Hopkins University Applied Physics Laboratory (APL) has developed the Serial and Ethernet Over the Horizon SOTH/EOTH Communication System. This system can transparently replace a w..

High Altitude Remote Probe (HARP)

Winged aircraft and most lighter-than-air airships, or tethered aerostats are limited to the lower altitude with denser atmosphere, thereby limiting their horizon coverage. Further, they require subst..

Mechanism for Aiming Lasers with High Precision Anti-jamming Applications

Among the critical challenges facing optical communications network developers is the security of very high bandwidth optical data links. Desired capabilities include essentially global access to mult..

Method for Adaptable, Distributed and Synchronized Signal Observation

Due to the overwhelming demand for consumer wireless communications, the Chairman of the FCC recently announced a new spectral deregulation policy creating a market for secondary allocation of the cur..

Integrated, All Photonic Lighting, Heating, Cooling and Communications for Buildings

Unlike much longer wavelength microwave systems such as cellular and cordless technologies, optical and millimeter bands do not penetrate building structures as thoroughly. The Johns Hopkins Univer..

Remote Monitoring and Relaying for Wrist Watch Alarm

Hearing loss can be a problem for many segments of the population. As the population gets older and the ability to hear high pitch sounds decreases, it may not always be possible to hear a watch alarm..

Spiral Resonator-Slot UHF Antenna

resonator-slot antenna is configured to have a spiral of a conducive sheet material having at least one turn and extending along an axis with an elongated antenna slot helically wound around the axis..

High Temperature Light Guide

Researchers at the Johns Hopkins Applied Physics Laboratory (APL) have created a high-temperature optical fiber assembly for sensing applications within harsh or high-temperature environments. These p..

Crosslink Transceiver for Integrated Navigation and Communication Among Multiple, Distributed Spacecraft

A significant number of Earth and space science goals rely on the successful deployment and operation of distributed spacecraft technology. In conjunction with fundamental science, distributed spacecr..

Open Autonomy Kernel (OAK), an Architecture for Mode-Identification and Reconfiguration of Control systems Model-Based

Model-based reasoning systems have been relying upon a single model on which a single reasoning engine operates. A single inference engine physically removes the intelligence from the control system w..

Integrated Optical Mono-pulse Tracking System for Full Duplex Optical Communication

Conventional technology relies on a lens or array of lenses to cause incident energy to be aligned with the central detector. Tracking detectors are arranged around a central detector in close proximi..

Cable-to-House Wideband Wireless Link and Relay

There is a need to provide an information distribution system having greater networking and information bandwidth, reduction of obsolescence costs, increases in mobility, lower human electromagnetic e..

X-Band Solid State Power Amplifier (SSPA)

A high-efficiency solid state power amplifier (SSPA) for specific use in a spacecraft is provided. The SSPA has a mass of less than 850 g and includes two different X-band power amplifier sections, i...

Integrated Adaptive Antenna Array and Adaptive Locally-Optimum Detection Processor

Adaptive Antenna Arraying (AAA) and Adaptive Locally-Optimum Detection (ALOD) are two complementary signal-processing techniques use for detecting weak signals (such as radio or radar) in the presence..

Controlled Beam Steering Using Two-Beam Coupling for Optical Routing Applications

Optical routing applications involve the re-direction of an optical beam from one path direction to another in a well-controlled, rapid manner. One possible means of re-direction involves the use of t..

Planar Magnetic Field Antenna

Most metal detectors (electromagnetic induction (EMI) sensors) or nuclear quadrupole resonate (NQR) use a loop antenna to create a magnetic field in the environment. The magnetic field interacts with ..

Hybrid Inflatable Antenna

hybrid inflatable dish antenna combines a fixed parabolic antenna and feed with an inflatable annulus to greatly increase the dish surface area on orbit. This provides a simple, more reliable, and lo..

"SPARCL" High Bandwidth Space-to-Ground Data Transmission System Concept

An optical communication system using a high altitude tethered balloon 10 that operates above most clouds and atmospheric turbulence. An optical communication system includes a balloon 10 with an opti..

Networked Sensor System (NESSY)

A networked sensor system that simultaneously acquires, processes, and transmits sensor data under the control of a central processing unit. The system includes sensors connected to sensor processing ..

Floating GPS Cylindrical Slot Antenna

-------------------------------------------------------------------------------- Floating GPS Cylindrical Slot Antenna Reference#: P01325 ------------------------------------------------------..

A Portable Rapidly Erectable Discone Antenna

Technology Status: United States Patent 5,608,416 --- Champion, et al.March 4, 1997 Market Need: This invention is lightweight, portable, quickly assembled, wideband, discone antenna for high-frequenc..

Coherent Radar Digital Data Collector and Sampling Technique for Noncoherent Transmitter Radars

Radar Digital Data Processor has been developed which produces I (phase) and Q (quadrature) data obtained by sampling the receiver IF of a radar with a single A/D converter. A sampling technique was ..

High Speed Imaging Television System

The present invention provides a unique approach to solving the problem of dead-time between the forming of images in a video camera system by the multiplexing of the outputs of a plurality of cameras..

Sharp Mode-Transducer Bend for Overmoded Waveguide

sharp, mode-transducing bend structure for circular TE01 overmoded waveguide systems is formed by first transducing from circular TE01 waveguide into multiport rectangular TE10 waveguide, performing ..

Local Area Communication Network

The invention is a communications network for providing full-duplex data transfer between any two network interface units on a one-to-all-others contention bus. Network interface units (NIUs) send and..

Microelectromechanical Wireless/RF Components

Description Microelectromechanical System (MEMS) devices provide many advantages over conventional devices because of their unique actuation, miniature and integration features. The device size..

Parylene Micromachined Piezoelectric Acoustic Transducers on Silicon Substrate

Description A new type of micromachined acoustic transducers, parylene micromachined piezoelectric acoustic transducers, has been developed and tested for use as microphones and microspeakers. The par..

Infrared Communication System (MFS-31331)

Abstract: The MSFC transceiver was developed to serve as a data-communication link between the RS-232-stan-dard serial communication port of a PC running Microsoft Windows and a remote infrared trans..

New Manufacturing Devices for Improved Fiber Optic Assemblies (GSC-13644)

Abstract: Fixture for Adhesive Curing in Open-Cell Ovens This device holds a termination and optical fiber firmly in place during elevated temperature epoxy bonding in an open-cell oven. Until adhesi..

Fiber Optics-Distributed Sensor System (TOP1-468)

Abstract: The DSS determines the Bragg reflectivity and wavelength at every point along an optical fiber by measuring the interference of the light reflected from the Bragg gratings with the light fr..

SYSTEM AND METHOD FOR DYNAMICALLY ANALYZING A MOBILE OBJECT

The invention describes a system and method for dynamically analyzing a mobile object. One embodiment of the invention provides a computerized method that includes obtaining a plurality of digital rep..

Analog-to-Digital Conversion Methods and Apparatus Enabled by Active and/or Passive Variable Delay Transmission Lines

Background Technology scaling adversely affects most parameters relevant to analog design, and ADCs are no exception. To achieve a high linearity, high sampling speed, and high dynamic range with low ..

Unidirectional Proxy Re-encryption with Applications to Secure Distributed Storage

The invention consists of three public-key encryption schemes that support �proxy re-encryption�. In a typical public-key encryption scheme, a sender (Alice) may encrypt messages to a recipient Bo..

Fair Asynchronous Random Access with Probabilistic Antenna Allocation in MIMO Multihop Networks

This invention is the first asynchronous multiple input/multiple output media access control (MIMO MAC) protocol that counters starvation and provides fairness. The invention exploits antenna selectio..

A new communications protocol for personal two-way radios

The Ramrod protocol is a new method for users of two-way radios to contact each other without the problem of finding an open channel or losing a signal. The FCC places strict restrictions on digital/d..

Scalable, Rapidly Tunable Wavelength Selective Ring Resonator

Introduction Wavelength-division multiplexing (WDM) is a capacity increasing technology used in fiber-optic communications to carry different optical signals in a single optical fiber. Optical add-dro..

Influencing the orientation of chromophores to increase the opticelectric effect

Introduction The electro-optic effect, important for optical communications and quantum optics, occurs in materials that alter their refractive index in the presence of an electrical field. One of the..

A Common-Gate Low Noise RF Amplifier for Ultra High Frequencies

Introduction Typically the first stage of an integrated receiver is a low-noise amplifier (LNA); hence, it is one of the most critical RF building blocks. An LNA is required to provide enough gain to ..

Calibrated Low-Loss Phase Shifter with Negative Resistance Circuit and Sigma-Delta PLL for Multiple-Antenna Receivers

Introduction Variable Phase Shifters are used in many applications such as adaptive smart-antenna receivers. In adaptive antenna receivers, antenna paths are linearly combined in an RF stage after bei..

Frequency and phase measurements using the Morlet transform

Introduction Telecommunication systems designed for Bluetooth or other standards deal with transmitted and received signals in the radio frequency (RF) range. Modulation methods and frequency-hopping ..

Auto-Tuning Amplifier

Introduction In wireless communications and wireless products, architectures can be complex and space-consuming due to the need for circuitry that receives signals from multiple bands. System complexi..

Multilevel Modulation for Free Space Optical (FSO) Communications and Error Correction Methodology

Introduction Wireless optical links, or free space optics (FSO), enable point-to-point, high-speed communication with low installation costs and high levels of security, and they are especially useful..

Error Correcting Sigma-Delta Modulation Decoding

Summary Conventional sigma-delta analog-to-digital conversion (ADC) systems may be significantly enhanced by using a recently developed novel design approach. The technique involves instrumenting an A..

A Microconcentrator and Microfilter for Suspensions such as Blood

Summary Background: In healthcare, chemical analysis, environmental testing and other fields it is useful to separate particulate substances that are suspended in a fluid. For example separating ce..

Devices and Methods for Improving the Injection of Liquid Samples in Microfluidic Systems

Summary Principal Investigator: Max Narovlyansky, Graduate student, Department of Chemistry and Chemical Biology, Harvard University Background: Separation and detection of substance in fluids req..

Improved Metal Complex Chemical Precursors for Atomic Layer Deposition (ALD) and Chemical Vapor Depostion (CVD) using Bicyclic Guanidines

Summary Continued improvements in semiconductor technologies rely heavily on advanced material compositions such as high-k dielectrics, low-k dielectrics, and electrically conductive metal nitrides. T..

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