Abstract: A method and apparatus for transmitting data from a transmitter device to one or more receiver devices, each of the one or more receiver devices being connected to the transmitter device via a respective wire connection, the transmitter device being operable to transmit signals onto the wire connections over one or more different channels, the method comprising, for each of the one or more different channels: determining a value of a function S˜mj,j, dependent on an upper bound for a channel capacity of the one or more channels and a channel gain of the jth channel; determining a transmission power Smj,j, for transmitting data along that channel based on S˜mj,j; and transmitting, by the transmitter device, data over that channel to one or more of the receiver devices, the data being transmitted at the transmission power Smj,j determined for that channel.

Abstract: Aspects of the subject disclosure may include, a device having a coupler that facilitates inducing an electromagnetic wave that propagates along a transmission medium, a transmitter that facilitates generating a signal that enables the coupler to induce the electromagnetic wave that propagates along the transmission medium, a power supply that facilitates inductively generating energy that is supplied to the transmitter, and an insulator coupled to a supporting structure that facilitates electrically insulating the transmission medium from the supporting structure. Other embodiments are disclosed.

Abstract: A signal processing apparatus according to the present invention, includes: a signal type determining unit configured to determine a signal type of an SDI signal that is inputted; an acquiring unit configured to acquire payload information from the SDI signal; and a payload information determining unit configured to determine payload information that is used for display setting of the SDI signal, based on a state of acquiring the payload information by the acquiring unit, wherein the payload information determining unit determines whether previously determined payload information is continuously used as the payload information used for the display setting, based on the state of acquiring the payload information by the acquiring unit and the signal type determined by the signal type determining unit.

Abstract: A vector network analyzer for obtaining at least one wave frequency ratio with respect to a frequency-converting device under test is provided. The vector network analyzer comprises a transmitter side configured to be controlled by at least one transmitter side clock signal, a receiver side configured to be controlled by at least one receiver side clock signal, and a central clock configured to generate a central clock signal. The at least one transmitter side clock signal and the at least one receiver side clock signal are based on the central clock signal, the at least one transmitter side clock signal and the at least one receiver side clock signal are generated with a fixed phase relation to each other with the aid of a start pulse.

Abstract: Aspects of the subject disclosure may include, for example, a waveguide including a plurality of devices that facilitate generating scattered electromagnetic waves from electromagnetic waves propagating on a surface of a transmission medium. The scattered electromagnetic waves combine to generate a wireless signal having a directionality based on a separation between plurality of devices and a wavelength of the electromagnetic waves. Other embodiments are disclosed.

Abstract: An inter-vehicle transfer apparatus in a vehicle includes a pulse transformer and auxiliary coils. The pulse transformer includes a first coil wound around a core and connected at one end to an electrical coupler; a capacitor connected at one end to the other end of the coil; and a second coil wound around the core in the same direction as the first coil, connected at one end to the other end of the capacitor, and connected at the other end to the electrical coupler. One auxiliary coil is connected at one end to the first coil. The other auxiliary coil is connected at one end to the second coil. In the inter-vehicle transfer apparatus, the other end of one auxiliary coil and the other end of the other auxiliary coil are connected to each other to enable application of a direct-current voltage across contact portions in the electrical coupler.

Abstract: A first message is transmitted via a radio link of a cellular network to a terminal. The first message triggers the terminal to transmit a second message via the radio link at the associated transmission interval. The radio link is monitored for reception of the second message at the associated transmission interval. Based on said monitoring, the duration of an active period of the discontinuous reception cycle to be implemented by the terminal is determined.

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

Abstract: A method includes: receiving MIMO channel signals at original MIMO frequency from signal source(s) at master unit of DAS, set(s) of the MIMO channel signals including first MIMO channel signal and second MIMO channel signal; generating local oscillator signal at master unit; frequency converting first MIMO channel signal(s) and second MIMO channel signal(s) from original MIMO frequency to different frequency different from first legacy service frequency band using local oscillator signal at master unit; combining first MIMO channel signal, second MIMO channel signal, and local oscillator signal into combined signal at master unit; transmitting combined signal across optical link to remote unit; processing first MIMO channel signal and/or second MIMO channel signal at remote unit; and frequency converting converted MIMO channel signal(s) from different frequency different from first legacy service frequency band back to original MIMO frequency for transmission over antenna(s).

Abstract: Multi-channel communication devices and methods are provided, which employ a filter bank, connected between antenna(s) and wideband converter(s), that comprises many narrowband surface acoustic wave (SAW) filters having respective distinct frequency bands within a bandwidth of the wideband converter(s). For example, devices may be configured as multi-channel receivers with SAW filters replacing current heterodyne circuitry and achieving effective separation of reception channel and effective attenuation of adjacent blocking signals in a compact device. In other examples, devices may be configured as multi-channel transmitters and/or transceivers, possibly having a variable number of channels, to realize compact multi-channel radio.

Abstract: A service may be any device hardware and/or software, or portion thereof, that can be identified by a provider for sharing with or selling to a consumer device in accord with a negotiation for its sharing or selling. The consumer may be any machine capable of consuming or providing a service; artificial intelligence may facilitate the sharing/selling. A witness may: track negotiations for sharing/selling, authenticate consumers/providers, and facilitate financial payments between consumers/providers. Financial charges may be micro-charges, e.g., very low cost. A consumer/provider may have an associated reputation that may affect the negotiation, and a party may be transitory and/or in an environment risking interruption of the sharing or selling, and these characteristics may affect the negotiation. The witness may electively cover losses to the consumer/provider, particularly when the cost of the transaction is a micro-charge.

Abstract: Embodiments of the present invention provide a transmission status determining method, where the method includes: receiving, by a receive end device in a first time period, a first symbol sequence sent by a transmit end device; determining a first modulation parameter set according to the first symbol sequence; and determining, according to preset first mapping relationship information, a first transmission status corresponding to the first modulation parameter set as a transmission status of the transmit end device in a second time period, where the first mapping relationship information is used to indicate a one-to-one mapping relationship between N transmission statuses and N modulation parameter sets, the first modulation parameter set belongs to the N modulation parameter sets, and the second time period is later than the first time period.

Abstract: A method and system for oversampling a waveform with variable oversampling factor is suggested. The method and for dynamic selection of the oversampling factor are based on a modified equivalent time sampling approach. Multiple waveforms are transmitted, which are separated by a variable delay. The method permits that a receiver selects a different oversampling factor for the received waveform. As a result the method and system provide for oversampling a waveform with a variable, dynamically selectable oversampling factor.

Abstract: Disclosed herein are techniques, methods, structures and apparatus that provide a silicon photonics multicarrier optical transceiver wherein both the transmitter and receiver are integrated on a single silicon chip and which generates a plurality of carriers through the effect of an on-chip modulator, amplifies the optical power of the carriers through the effect of an off-chip amplifier, and generates M orthogonal sets of carriers through the effect of an on-chip basis former.

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for multi-carrier OFDM duplex transmission, and relate to the communications field, so as to solve the problem where spectrum duplex transmission cannot be normally performed due to interference that is generated by an echo signal transmitted by using an OFDM technology. The method for multi-carrier OFDM duplex transmission includes: performing, on at least one OFDM subcarrier channel, sending and receiving of a near-end OFDM signal; obtaining a carrier phase difference between a near-end echo OFDM signal and a far-end OFDM signal; and performing a phase adjustment for the near-end OFDM signal according to the carrier phase difference.

Abstract: Embodiments of the disclosure relate to digital interface modules (DIMs) for flexibly distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (DASs). In this regard, in one aspect, a DIM is a multi-functional device capable of distributing the digital and/or analog communications signals to a local-area DASs in the wide-area DAS. The DIM comprises a digital communications interface for coupling with a digital signal source, an analog local distribution interface for coupling with an analog signal source, and at least one digital remote distribution interface for coupling with a head-end unit (HEU) of the local-area DAS. By employing the DIM in the wide-area DAS, it is possible to flexibly reconfigure the wide-area DAS for distributing digital and/or analog communications signals over the digital communications mediums.

Abstract: Methods, apparatus, and systems for calibration and correction of data communications over a multi-wire, multi-phase interface are disclosed. In particular, calibration is provided for data communication devices coupled to a 3-line interface. The calibration includes generating and transmitting a calibration pattern on the 3-line interface, where the generation of the pattern includes toggling two of three interface lines from one voltage level to another voltage level over a predetermined time interval. Furthermore, the generation of the pattern includes maintaining a remaining third interface line at a common mode voltage level over the predetermined time interval, wherein only a single transition occurs for the predetermined time interval. Calibration data may then be derived in a receiver device using the transmitted calibration pattern.

Abstract: A remote radio head unit (RRU) system for achieving high data rate communications in a Distributed Antenna System is disclosed. The Distributed Antenna System is configured as a Neutral Host enabling multiple operators to exist on one DAS system. The present disclosure enables a remote radio head unit to be field reconfigurable and support multi-modulation schemes (modulation-independent), multi-carriers, multi-frequency bands and multi-channels. As a result, the remote radio head system is particularly suitable for wireless transmission systems, such as base-stations, repeaters, and indoor signal coverage systems.

Abstract: A method for a network controller to carry out automatic channel allocation for a network of wireless communication links between communication nodes, the method including determining an estimated signal attenuation between communication nodes in a network, allocating wireless channels, determined by a set of transmission parameters, to a plurality of wireless communication links in the network, based, at least in part, on the estimated signal attenuation, sending a message to a first communication node, the message instructing the first communication node to use a set of transmission parameters for communicating a first wireless communication link connecting the first communication node to a second communication node at an opposite end of the first wireless communication link, the transmission parameters based, at least in part, on the allocating wireless channels. Related apparatus and methods are also described.

Abstract: A method and Dynamic Line Management, DLM, system for controlling Digital Line Subscriber, DSL, connections, comprising applying a first line profile to a DSL connection, the first line profile specifying a first virtual noise template for the DSL connection, wherein the first virtual noise template specifies a first set of frequency dependent virtual noise levels for the DSL connection; configuring a connection parameter (such as the data rate) of the DSL connection based on the first set of frequency dependent virtual noise levels; applying a second line profile to the DSL transceiver unit, the second line profile specifying a second virtual noise template for the DSL connection, wherein the second virtual noise template specifies a second set of frequency dependent virtual noise levels for the DSL connection; and reconfiguring the connection parameter for the DSL connection based on the second set of frequency dependent virtual noise levels.

Abstract: Methods, systems, and apparatus for EM communications. One of the methods includes determining, at a first device, that a second device is present; initiating a half duplex communication with the second device; configuring communication with the second device including determining whether full duplex communication is available; in response to a determination that full duplex communication is not available, communicating with the second device in half duplex mode; and in response to a determination that full duplex communication is available, communication with the second device in full duplex mode.

Abstract: Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non-duplexer isolator sub-system can include an active mitigation sub-system.

Abstract: Aspects of the subject disclosure may include, for example, a waveguide including a plurality of devices that facilitate generating scattered electromagnetic waves from electromagnetic waves propagating on a surface of a transmission medium. The scattered electromagnetic waves combine to generate a wireless signal having a directionality based on a separation between plurality of devices and a wavelength of the electromagnetic waves. Other embodiments are disclosed.

Abstract: A modem system may include modems that have multiple upstream transmitters for transmitting signals upstream in a communication network. In some embodiments herein, one or more of those upstream transmitters may be retasked to transmit downstream signals for reception at devices within a modem's premises. The downstream signal may be modulated differently from its original modulation as received by the modem, and may be modulated in a manner that can be received by legacy components on the premises, such as analog televisions.

Abstract: Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non-duplexer isolator sub-system can include an active mitigation sub-system.

Abstract: A watch-type mobile terminal may include a display unit; and a controller coupled to the display unit, wherein the controller is configured: in response to the watch-type mobile terminal being paired with a further watch-type mobile terminal, to control the display unit to display an emotional message composition screen thereon; to control the watch-type mobile terminal to receive a message via touch input; to control the display unit to display the received message on the emotional message composition screen; and to control the watch-type mobile terminal to transmit the message to the further watch-type mobile terminal.

Abstract: Methods and apparatus to provision cloud computing network elements are disclosed. A disclosed example method includes receiving a selection of a cloud networking template from a client, wherein the cloud networking template includes a data center connector type and a wide area network connector type, configuring a virtual machine on a host server based on the cloud networking template, configuring a data center connector based on the data center connector type, configuring a wide area network connector based on the wide area network connector type, and coupling the wide area network connector to the data center connector and coupling the data center connector to the virtual machine within the host server to enable the client to access the virtual machine.

Abstract: A wireless access point to dynamically controls power amplifiers. The wireless access point wirelessly exchanges media communications using a plurality of frequency bands. The wireless access point monitors an internal temperature in an enclosure and determines that the internal temperature is above a temperature threshold. The wireless access point monitors traffic loading on each of the plurality of frequency bands exchanging media communications and selects a frequency band with a low traffic level. The wireless access point redirects the media communications to a frequency band having a higher traffic loading level and disables a power amplifier associated with the selected frequency band having the low traffic loading level.

Abstract: A monolithic isolator circuit is provided which replaces optocoupler feedback configurations which are prone to wear out, lack reliability, and bandwidth limitations. By communicating only a subset of a sigma delta modulators quantizer across the isolator but closing the modulator loop on the primary side, much wider bandwidth communications of analog information can be achieved than with optocouplers. This allows for the use of the proposed isolator for cycle by cycle loop control and protection functions which previously required components on the local side of the isolation. The monolithic isolator circuit can be extended to isolate analog to digital converters (ADC), analog buffers, and to isolated current sense amplifiers (CSA). The monolithic isolator circuit utilizes a z-domain differential delay line to create an error in conformance with the difference between the feedback magnitude and a reference.

Abstract: Communication in a first spectrum and via a first transmission line of first data is according to a time-division duplexing scheme such as G.fast. Communication in a second spectrum and via a second transmission line of second data is according to a frequency-division duplexing scheme such as VDSL2. The first and second spectra both comprise an overlap spectrum. The first transmission line experiences first crosstalk from the second transmission line and the second transmission line experiences second crosstalk from the first transmission line.

Abstract: A clock control circuit includes a clock controller which disperses a harmonic of a clock signal in a used frequency band of a reception signal and controls an amplitude of a harmonic remaining in the used frequency band after the dispersion on a basis of a spread frequency used for the dispersion and a spread width of the harmonic.

Abstract: An amplifier may include a first stage configured to receive an input signal at an amplifier input and generate an intermediate signal which is a function of the input signal, and a final output stage configured to generate an output signal which is a function of the intermediate signal at an amplifier output, and a signal feedback network coupled between the amplifier output and input. The final output stage may be switchable among a plurality of modes including at least a first mode in which the final output stage generates the output signal as a modulated output signal which is a function of the intermediate signal, and a second mode in which the final output stage generates the output signal as an unmodulated output signal which is a function of the intermediate signal. Control circuitry may reduce audio artifacts associated with switching between modes.

Abstract: Techniques for adjustable interleaving for communication data are described. In at least some embodiments, interleaving depth for data is adjustable based on various parameters, such as a media type included in the data, signal quality for a signal used to transmit the data, and so forth. Thus, implementations discussed herein enable dynamic adjustment of interleaving and encoding for data to be transmitted as part of a communication session.

Abstract: A serial input/output method and receiver include an receiver portion to receive an analog differential serial input and sample the input to provide data and error signals, an equalization feedback loop responsive to the data and error signals to adjust the receiver portion, a phase feedback mechanism separate from the equalization feedback loop to provide a phase error, and a clock data recovery block coupled to receive the phase error to perform timing recovery for the receiver portion independent of the equalization feedback to adjust the sampling.

Abstract: Techniques and mechanisms disclosed herein add dithering noise to a receiver to reduce harmonics.

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

Abstract: The present disclosure pertains to a wired network which includes a master device and a plurality of slave devices coupled to the master device by a wired connection. The master device includes control logic to determine whether information is to be sent to a slave device. In addition, the master device includes a transmitter to drive a logic level for a predetermined amount of time to address the slave device in response to the control logic to determine whether information is to be sent to a slave device.

Abstract: A vectorial network analyzer (VNA) having at least one signal generator generating a particular RF output signal, and having n measuring ports, wherein an RF coupler is assigned to each measuring port and couples out an RF signal by running into the particular port from the outside, wherein the at least one signal generator is arranged and designed in such a manner that the latter supplies a particular RF output signal to at least one measuring port as an RF signal running out to the outside. Provision is made for an amplitude and/or a phase to be stored for the RF output signal for at least one signal generator in a retrievable manner on the basis of at least one parameter in a parameter field, wherein the RF signal generator is designed in such a manner that the latter generates the amplitude and/or phase of the RF output signal in a reproducible manner on the basis of at least this one parameter.

Abstract: Data communication having improved electromagnetic interference (EMI) rejection when communicating through a coaxial cable is provided by using differential transmission and/or reception through a common-mode choke and a dissipative element resulting in extremely low radiated emissions and high immunity to external radiation interference in a low-cost way.

Abstract: Power cabling connections for supplying power from a power supply to a plurality of remote radio heads include a trunk power cable having a trunk power supply conductor and a trunk return conductor that are enclosed within a cable jacket and electrically insulated from each other; and a plurality of remotely-controlled switches that are interposed between the trunk power cable and the respective remote radio heads that are configured to selectively electrically connect the trunk power supply conductor and the trunk return conductor to a respective one of the radio heads.

Abstract: Aspects of the subject disclosure may include, for example, receiving, by each of a plurality of receivers, one of a plurality of electromagnetic waves, each electromagnetic wave of the plurality of electromagnetic waves guided by a different one of a plurality of twin-lead transmission lines, each twin-lead transmission line sharing a wire, and each electromagnetic wave of the plurality of electromagnetic waves including a different one of a plurality of communication signals, and obtaining, by each of the plurality of receivers, one of the plurality of communication signals. Other embodiments are disclosed.

Abstract: Embodiments described herein may relate to power-line communication (PLC) systems that are suitable for high-voltage and electrically noisy applications. In one example system, PLC technology is used to carry data on at least one pair of conductors of a high-voltage (e.g., kilovolt) transmission line that is simultaneously used for power transmission. Further, in some instances, the transmission line may be part of a tether that connects an aerial vehicle to a ground station.

Abstract: A vectorial network analyzer (VNA) having at least one signal generator generating a particular RF output signal, and having n measuring ports, wherein an RF coupler is assigned to each measuring port and couples out an RF signal by running into the particular port from the outside, wherein the at least one signal generator is arranged and designed in such a manner that the latter supplies a particular RF output signal to at least one measuring port as an RF signal running out to the outside. Provision is made for an amplitude and/or a phase to be stored for the RF output signal for at least one signal generator in a retrievable manner on the basis of at least one parameter in a parameter field, wherein the RF signal generator is designed in such a manner that the latter generates the amplitude and/or phase of the RF output signal in a reproducible manner on the basis of at least this one parameter.

Abstract: Systems, apparatuses, and methods for compression of frequent data values across narrow links are disclosed. In one embodiment, a system includes a processor, a link interface unit, and a communication link. The link interface unit is configured to receive a data stream for transmission over the communication link, wherein the data stream is generated by the processor. The link interface unit determines if blocks of data of a first size from the data stream match one or more first data patterns and the link interface unit determines if blocks of data of a second size from the data stream match one or more second data patterns. The link interface unit sends, over the communication link, only blocks of data which do not match the first or second data patterns.

Abstract: An apparatus including a receiver coupled to receive an input signal from a communication link and operable to employ decision feedback equalization to the input signal of the communication link and generate an edge sample signal. The apparatus also includes a timing recovery module coupled to the receiver and operable to receive the edge sample signal and use the edge sample signal to generate a data sampling phase signal, wherein the edge sample signal influences a settling point of the data sampling phase signal.

Abstract: Systems and methods are disclosed for obtaining secondary indications of locations of users for use by a location-based service. In one embodiment, a secondary indication of a location of one or more users is obtained from a source of secondary indications of locations of users. The secondary indication includes a location of the one or more users and timing information defining when the one or more users were or will be located at the location. The secondary indication of the location of the one or more users is then stored and utilized to provide the location-based service. In one embodiment, the secondary indication is utilized to store historical aggregate user profile data by location and/or to provide aggregate user profile data for crowds of users formed via a spatial crowd formation process.

Abstract: A charge management system includes a user managing unit configured to manage pieces of user identification information for identifying users and pieces of terminal identification information for identifying transmission terminals, each piece of user identification information being associated with pieces of terminal identification information for identifying transmission terminals used by a user identified by the each piece of identification information; and a calculating unit configured to calculate a participation charge to each of the transmission terminals, bases on a total participation duration in which the each of the transmission terminals has participated in a conversation during a predetermined period, and calculate a total participation charge to each of the users by summing up the participation charges to transmission terminals specified by the pieces of terminal identification information associated with the each piece of the user identification information.

Abstract: The present disclosure relates to a piece of electronic equipment for the replication of ports and the routing of digital signals, intended for secure environments for concentrating signals coming from a plurality of pieces of measuring equipment, as well as communication with a piece of supervising equipment. The equipment includes: —N ports whereof M ports are electrically insulated by optoelectronic coupler, N being an integer greater than or equal to 1, and M being an integer between N?1 and N, —a radiofrequency interface with a matched piece of supervising equipment, —a processor performing a protocol conversion between the radiofrequency protocol and the protocol of the ports.

Abstract: A method of mapping symbols of a physical control format indicator channel (PCFICH) is described. A start position of a resource element to map the symbols for the PCFICH is determined by flooring a value, obtained by multiplying the number of resource blocks by a variable proportional to a symbol index for the PCFICH and then dividing the multiplied result by 2, wherein the resource blocks are transmitted in downlink. The symbols are mapped in the start position. Therefore, a problem of wasting resource elements or not being able to implement mapping can be solved by applying a simple mapping rule while mapping symbols of the PCFICH.

Abstract: A method of mapping symbols of a physical control format indicator channel (PCFICH) is described. A start position of a resource element to map the symbols for the PCFICH is determined by flooring a value, obtained by multiplying the number of resource blocks by a variable proportional to a symbol index for the PCFICH and then dividing the multiplied result by 2, wherein the resource blocks are transmitted in downlink. The symbols are mapped in the start position. Therefore, a problem of wasting resource elements or not being able to implement mapping can be solved by applying a simple mapping rule while mapping symbols of the PCFICH.