Abstract: A personal safety response system comprises a wearable device to be worn by a user, the wearable device includes a speaker configured for generating audio notification, an exterior visual indicator configured for generating visual notification, a vibrator configured for generating haptic notification, a panic button, a radio frequency transceiver, and a controller configured to recognize a first set of predetermined conditions, and transmit a notification to a base telephone. The base telephone includes a radio frequency transceiver configured for two-way communication with the wearable device, and transmit and receive data over the telecommunication network and Internet, a memory, a processor configured to recognize a second set of predetermined conditions, and transmit a notification to the wearable device, a user input device configured to receive user input, and a display screen configured to display information associated with the notification transmitted to the wearable device.

Abstract: Implementations of the present disclosure provide methods and systems for identifying peripheral devices with which problematic connections have been established. According to one embodiment, a method for detecting a model of peripheral device for which problematic connections with a computerized unit are common is disclosed. The method involves receiving values of each of one or more features of a particular connection between a computerized unit and a peripheral device, using the received values to determine a score for each of the features of the particular connection, calculating an overall connection score from the scores for each of the features, and generating a problematic peripheral device report including the model of the peripheral device if the overall connection score is indicative of a problematic connection.

Abstract: The present invention is directed to optical communication systems and methods thereof. In various embodiments, the present invention provides method for linearizing Mach Zehnder modulators by digital pre-compensation and adjusting the gain of the driver and/or the modulation index. The pre-compensation can be implemented as a digital pre-compensation algorithm, which is a part of an adaptive feedback loop. There are other embodiments as well.

Abstract: A method for updating firmware of a rackmount server system is disclosed herein and is suited to update a firmware of an update-needed chip module by a control chip module. The method includes the following steps of: sending a plurality of packets constituting a renewed firmware to the update-needed chip module by the control chip module; sending a command of verifying the plurality of packets to the update-needed chip module by the control chip module; acquiring a plurality of verification messages, corresponding to the plurality of packets, from the update-needed chip module by the control chip module; and determining whether all of the plurality of verification messages corresponding to the plurality of packets are correct or not by the control chip module, thereby making sure whether the plurality of packets received by the update-needed chip module are incorrect or not.

Abstract: One embodiment provides a network controller. The network controller includes a modulation module. The modulation module includes a high rate (HR) bit sequence generator configured to generate a first high rate bit sequence, encoder circuitry configured to encode a first low rate bit stream, the first low rate bit stream comprising backchannel information, and modulation circuitry configured to modulate the encoded first low rate bit stream onto the first high rate bit sequence. The network controller further includes transmit circuitry configured to transmit the modulated first HR bit sequence to a link partner during a link initialization period.

Abstract: The present invention relates to a method by which an xDSL modem can be properly connected and/or optimally tuned to achieve a desired performance goal based on knowledge obtained by first performing a SELT test and then post-processing the results of that test. In embodiments, the processed SELT results are used to detect bad connections or other anomalies such as split pairs. In embodiments, the processed SELT results are used to configure programmable components and filters in the analog front end in a manner that achieves the performance goal. In these and other embodiments, the performance goal is to maximize the attainable data rate. As such, through various hardware design options and configurations according to the invention, the performance of the modem can be tuned such that even in the presence of undesirable loop characteristics, adequate, or even good performance, can be achieved.

Abstract: System, method and apparatus for multi-dimensional modulation schemes with high noise immunity and low emission idle (LEI) signaling for automotive area networks. An extra zero constellation point can be used during an idle mode and extra constellation points can be assigned to control signals.

Abstract: The present invention relates to methods and apparatuses for sensing noise sources in a wireline communications environment such as a customer premises environment in a DSL system. In embodiments, the invention includes an additional sensor that is connected to power mains in a DSL customer premises environment either to characterize, at their source, noises coupling into the DSL lines, and/or to mitigate their impact into the DSL lines. One objective is associated with diagnostics that help to better characterize the noise signals themselves and derive correlation of signals sensed from the power mains and their possible projection onto the DSL line. Another objective makes use of these power line sensor signals to mitigate or to eliminate power line noises that make their way onto the DSL line. Example embodiments further include and exploit signals from additional secondary sensors such as secondary common mode, differential mode and phantom mode sensors.

Abstract: A method on a mobile device is described. A first registration of the mobile device is maintained with a first wireless network for a first subscription. A second registration of the mobile device is maintained with a second wireless network for a second subscription. The first registration is concurrent with the second registration. A user data stream is transferred with the second registration. The user data stream is transferred from the second registration to the first registration based on a receipt of a call request.

Abstract: Transmitting and receiving arrangements and methods in a Digital Subscriber Line (DSL) system having a plurality of modems and vectored transmission capability. A first part of an available frequency band is reserved for vectored DSL transmission and reception using modems operating in the first part of the frequency band. The remaining, second, part of the available frequency band is reserved for both vectored and non-vectored transmission using modems operating in the second part of the frequency band.

Abstract: A wireless communication device includes: a first communications unit configured to communicate with a first communication network; a second communications unit configured to communicate with a second communication network; a control unit configured to control operation of the wireless communication device; and one or more temperature sensors configured to sense operating temperatures of the first communications unit and the second communications unit and provide temperature signals to the control unit. In response to a determination that an operating temperature of the first communications unit conducting a first call exceeds a predetermined threshold temperature and an operating temperature of the second communications unit does not exceed the predetermined threshold temperature, the control unit is configured to cause the first call on the first communications unit to be switched from a first transceiver chain in the first communications unit to a second transceiver chain in the second communications unit.

Abstract: Design Methodology and Method and Apparatus for Signaling with Capacity Optimized Constellation Abstract Communication systems are described that use geometrically PSK shaped constellations that have increased capacity compared to conventional PSK constellations operating within a similar SNR band. The geometrically shaped PSK constellation is optimized based upon parallel decoding capacity. In many embodiments, a capacity optimized geometrically shaped constellation can be used to replace a conventional constellation as part of a firmware upgrade to transmitters and receivers within a communication system. In a number of embodiments, the geometrically shaped constellation is optimized for an Additive White Gaussian Noise channel or a fading channel. In numerous embodiments, the communication uses adaptive rate encoding and the location of points within the geometrically shaped constellation changes as the code rate changes.

Abstract: A communication device includes a transmitter operable to couple to a plurality of transceivers via a plurality of transmission channels, transmit payload data via the plurality of transmission channels, and obtain monitored transmission conditions for one or more transmission channels in the plurality of transmission channels. During operation, the transmitter is further operable to generate reconfiguration request signals resultant from processing the monitored transmission conditions and transmit the reconfiguration request signals on transmission channels in the plurality of transmission channels.

Abstract: A conversation server hosts a conversation having a plurality of participants, the conversation server enables a first client to display at least a portion of a conversation to a first participant. The conversation server receives a notification the portion of the conversation was viewed by the first participant at a first time while in a first state. After receiving a notification that the portion of the conversation has ceased to be viewed by the first participant, the conversation is edited to a second state at a second time. At a third time that is after the second time, the conversation server sends, to the first client, information enabling the first client to display a markup of the portion of the conversation that is indicative of one or more edits that transition the portion of the conversation from the first state to the second state.

Abstract: An object is to provide an information processing apparatus and the like that can reduce power consumption of the information processing apparatus in downloading and installing. To achieve this object, whether or not there is system software update is confirmed in a low power consumption state in which only some of hardware components of the information processing apparatus are supplied with power and communication with a predetermined server can be performed. When there is the update, update data is downloaded, and at least some of the hardware components that are the update targets and that are not supplied with power in the low power consumption state are started to be supplied with power. Then, system update is executed. The series of processes are automatically executed without a user's operation.

Abstract: In an optical transmission apparatus, an optical-to-electrical converter converts a received optical signal into an electrical signal, and an amplifier amplifies the resulting electrical signal. A plurality of analog-to-digital converters then convert the amplified electrical signal from analog form to digital form in a time-interleaved manner to produce digital outputs. When correcting the analog-to-digital converters, a controller varies the gain of the amplifier in such a way that a total amplitude or an average amplitude indicated by the digital outputs of the analog-to-digital converters will be equal to or greater than a specified threshold.

Abstract: The present invention is directed to methods and apparatuses for performing concurrent vectoring of systems having communications performed at different symbol rates. In embodiments, where a common binder includes different sub-groups of lines having corresponding different symbol rates, the invention includes methods and apparatuses for managing and concurrently vectoring all the lines of the different sub-groups.

Abstract: Aspects of the present disclosure provide wireless communication devices and methods configured to operate with multiple active connections. A user equipment establishes a first active connection associated with a first subscription. The user equipment also establishes a second active connection, simultaneous to the first active connection, associated with a second subscription. The user equipment provides modem information corresponding to connection qualities of the first active connection and second active connection, to an operating system of the user equipment. Furthermore, the user equipment mitigates contention between the first active connection and second active connection by degrading at least one of the first active connection or second active connection in accordance with a decision given by the operating system based on the modem information.

Abstract: In accordance with the present invention, a driver chip is provided for transmitting optical signals over an optical fiber. The driver chip includes, in combination, a tapped delay equalizer, an amplifier and control circuitry. Operationally, the tapped delay equalizer modifies an input digital signal to create a compensated signal by compensating for anticipated impairments and distortions introduced during signal transmission. The amplifier then receives the compensated signal to provide gain and bias in order to establish a proper operating point for an E/O device. The control circuitry is interconnected with the tapped delay equalizer and with the amplifier to establish and control tap weights for the tapped delay equalizer to compensate for electrical and optical bandwidth limitations, along with optical dispersion effects.

Abstract: A method and system for encoding ancillary information at a transmitter in a high-speed communications network, the method comprising: generating an electromagnetic interference (EMI) reduction signal; receiving an ancillary data symbol; generating an EMI reduction signal variation based on the ancillary data symbol; and varying a characteristic of the EMI reduction signal based on the generated EMI reduction signal variation to encode the ancillary data symbol in the varied EMI reduction signal.

Abstract: A modem is disclosed. An embodiment thereof includes: a first interface arranged to connect to a network, a second interface arranged to connect to a host processor on the terminal, an audio interface arranged to connect to an audio processing means and a processing unit arranged to receive a plurality of parameters from the terminal via the second interface. The plurality of parameters are associated with a call established by the host processor to at least one further terminal connected to the network; wherein the processing unit is further arranged to receive input voice data from the audio processing means, process the input voice data in dependence on at least one of said parameters; and transmit the processed input voice data via the first interface to the at least one further terminal over said network during the call in dependence on a further at least one of said parameters.

Abstract: In one example, an apparatus, by a processor, can identify a number of modems in each bonding group of a plurality of bonding groups, resulting in a first data structure. The apparatus can also determine a configuration for each bonding group of the plurality of bonding groups, resulting in a second data structure. The apparatus can also determine channel load for each channel of a plurality of channels, according to the first data structure and the second data structure, resulting in a third data structure.

Abstract: A method and apparatus are disclosed to provide ad-hoc synchronization in industrial networks between a programmable logic controller and each I/O device without any specific protocol extensions or distributed clock scheme. An embodiment of an industrial control network comprising a Programmable Logic Controller (PLC), a network coupled to the PLC, and a plurality of networked input/output (I/O) devices coupled to the network is provided. Each I/O device comprises: inputs coupled to the network to receive data from the PLC as device input data; and outputs coupled to the network to transmit output data from the I/O device to the PLC. The embodiment further comprises a programmable timer initiating an I/O cycle for the device on a periodic basis. The I/O device is operable to determine a first time period starting at the time at which specific output data arrives from the PLC and ending when the period of the timer ends. The first time period is compared to a predetermined time period.

Abstract: This invention discloses a signal transmitting and receiving circuit of a digital subscriber line used for transmitting an output signal to a telecommunication loop or receiving an input signal from the telecommunication loop. The signal transmitting and receiving circuit comprises a transformer, which is coupled to the telecommunication loop; a signal transmitting module, which is coupled to the transformer, for generating the output signal; a signal receiving module, which is coupled to the transformer, for processing the input signal; an echo cancelling circuit, comprising passive components and having two ends, one of which is coupled to the signal transmitting module and the transformer, the other is coupled to the signal receiving module and the transformer. The output signal is transmitted to the telecommunication loop via the electromagnetic coupling of the transformer, and the input signal is received by the signal receiving module by the electromagnetic coupling of the transformer.

Abstract: The present invention relates to a method and a system for initiating bi-directional communication in a time-division duplex (TDD) communication system between a customer premises equipment (CPE) modem, such as a DSL modem, and an operator modem, such as a DSLAM. The invention is characterized in that the transmission of the CPE modem is aligned with the time-division duplex timing structure present in received crosstalk noise when transmitting initiation signals, so-called handshake tones.

Abstract: Scheduling of transmission opportunities to prevent collisions is contemplated. The transmission opportunities may be scheduled for terminal units where transmissions of one terminal unit may collide or otherwise interfere with transmissions of another terminal unit. The transmission opportunities may be scheduled according to a time-frequency grid to prevent collisions in a time domain and/or a frequency domain.

Abstract: Systems and methods generate a business process control chart and process report card. A method includes generating process control chart data for a building process. The method further includes generating a summary record of sample data from the control chart data. The method includes determining a process grade for each process using the summary record. The method further includes generating a process report card including the determined process grade for each process.

Abstract: Reverse segmentation may be provided. First, a plurality of legs may be received and combined into a first service group. Next, it may be determined that a number of active user devices increased on at least one of the plurality of legs. A portion of the plurality of legs may then be switched from the first service group to a second service group in response to determining that the number of active user devices increased on the at least one of the plurality of legs.

Abstract: A method for service management for terminals with broadband connections, wherein the terminal is connected through a home gateway to a service connected in an operator network, the home gateway being attached to an access node of the operator network, includes the steps of monitoring whether the terminal is temporarily not using the service, delegating the service and transferring its current status and/or data to the access node, and tearing down the connection between the home gateway and the access node while operating the service in the delegated service host.

Abstract: A method of controlling a network system is provided. The network system includes a metering device measuring energy supplied from a power supply source, a communication device in which energy information related to the energy communicates, and an energy management device recognizing the energy information, the energy management device controlling an operation of an electric product. The metering device or the energy management device checks whether communication of the communication device is possible. Also, when it is determined that the communication device is in a communication failure state, the communication failure state is displayed on the outside thereof. When a communication modem mounted on the electric product is in a communication failure state, the electric product may normally perform a power management program, based on power or operation information stored therein.

Abstract: A server system hosts a plurality of conversations. For a respective conversation the server system receives a first sequence of edits and a second sequence of edits to a respective content unit of the conversation from different participants of the conversation. The server system converts the first and second sequences of edits into respective first and second merged sequences of edits. The server system responds to a determination that the first merged sequence of edits and the second merged sequence of edits meet predefined conflict criteria by transforming the first and second merged sequences of edits. The server system sends the respective transformed sequences of edits to respective participants so that respective participants can apply either the first sequence of edits followed by the second transformed sequence of edits or applying the second sequence of edits followed by the first transformed sequence of edits to produce a same result.

Abstract: The invention pertains to a method and apparatus for testing a component of a vectoring system, such as a DSLAM performing crosstalk cancellation. The method is based on the insight that line termination equipment, such as a DSLAM, and in particular the crosstalk canceller, can be used to simulate a multiline network. A signal is exchanged between the line termination equipment and attached network termination equipment, passing through the crosstalk canceller which acts as a multiline simulator. Information indicative of an error component in a received version of the signal is used to assess the operation the vectoring system.

Abstract: Methods, apparatuses (e.g., DSL system hardware, DSL systems, vectoring control entities), techniques, systems, etc. are used for initializing one or more DSL lines joining a vectored DSL line group operating in Showtime. A super-periodic orthogonal pilot sequence from a set of super-periodic orthogonal pilot sequences is assigned to each joining DSL line, wherein each such super-periodic orthogonal pilot sequence in the set has length L and is orthogonal to other sequences in the set over length T. These super-periodic orthogonal pilot sequences are used on the joining DSL lines to generate at least T sync-symbols worth of initialization data, which is processed to generate initialization data and FEXT mitigation coefficients for use when the joining DSL lines become part of the vectored DSL line group.

Abstract: A system and method manages resources within a process by identifying a first resource threshold associated with available resources. The method receives a resource request from a resource requesting participant requiring the available resources. The method determines that an estimated resource usage, associated with the resource request, approaches the first resource threshold. The method negotiates with at least one resource consuming participant to voluntarily release resources until the estimated resource usage approaches a second resource threshold associated with the available resources within the process.

Abstract: There is a need for a forensic diagnostic capability to facilitate a greater understanding of why xDSL transceivers are subject to otherwise inexplicable service interruptions during Showtime (steady state data transmission mode). In certain exemplary embodiments, diagnostic data from a previous Showtime is stored and then communicated to another transceiver and/or reported (or communicated) to a management entity. The stored diagnostic data can be used to determine why the service interruption occurred. In other embodiments, one or more portions diagnostic data from a last Showtime are stored. In additional embodiments, this diagnostic data is collected immediately prior to exiting Showtime and/or retraining (the “last” data collected prior to exiting Showtime and/or retraining).

Abstract: Various exemplary embodiments relate to a wireless communications system, communications device related methods, and automotive and other vehicles including: an antenna group comprising at least one antenna; a receiver circuit configured to receive a first instance of a data symbol via the antenna group; a first swap component configured to: receive a first portion of a second instance of the data symbol from the second communications device, provide a second portion of the first instance of the data symbol to a second communications device; and a buffer configured to store a first portion of the first instance of the data symbol and the first portion of the second instance of the data symbol; and a combining processor configured to create a first portion of a combined symbol by combining the first portion of the first instance and the first portion of the second instance.

Abstract: A digital subscriber line management system is provided. It comprises a device for calculating a set of values specifying a virtual noise mask. The device includes a receiver for receiving or otherwise obtaining a set of measurements of noise levels experienced at a digital subscriber line transceiver at each of a plurality of frequencies at different times, and a processor for calculating, in respect of each frequency, a combined value based on a plurality of measurements taken at different times, and for generating the set of values specifying a virtual noise mask in dependence upon the combined values.

Abstract: This invention relates to a method of, and a system for, monitoring electromagnetic interference. The method comprising capturing a plurality of time domain waveforms, and a plurality of scatter plots; receiving the plurality of captured time domain waveforms and scatter plots; applying a fast fourier transform (FFT) to each of the received time domain waveforms as it is received thereby to receive FFT outputs; storing the FFT outputs in a database; generating a statistically representative spectrograph or spectrogram in the frequency domain based on at least the stored FFT outputs and scatter plots or data associated with the scatter plots, combining constituent FFTs of the statistically representative spectrograph or spectrogram in such a manner as to emulate the result that would be produced by an EMI (Electromagnetic Interference) receiver or spectrum analyzer; and combining resultant outputs from a number of iterations of this process to produce a final result (EMI spectrum).

Abstract: A web television includes a display, a tuner, an internet module, and a PIP module. The tuner is arranged to select television video for display on the display and to select television audio for display by a speaker of the web television. The internet module is arranged to supply internet video for display on the display and to supply internet audio for display by the speaker of the web television, and the internet video and audio are derived from internet communications between the web television and internet content providers. The PIP module is arranged to provide a PIP area within a main area of the display. The internet video and the television video may be swapped between the PIP area and the main area of the display, and the speaker of the web television may be swapped between the internet audio and the television audio.

Abstract: Embodiments provide techniques for high peak to average power ratio (PAPR) event mitigation in high speed data networks, such as cable networks, for example. Embodiments are applicable to multi-carrier and single-carrier modulation systems. Embodiments operate by predicting or detecting the occurrence of a peaking event at the transmitter, and then mitigating potential effects of the peaking event at the transmitter, including application of alternative constellation symbol mappings.

Abstract: A transmitter device transmits data over a physical communication link to at least one destination. A monitor resource monitors a frequency band of signals on the physical communication link. At least a portion of the monitored frequency band in the physical communication link used to transmit the data is also allocated for transmissions of wireless communications in a vicinity of the physical communication link. The physical communication link may be damaged for any number of reasons such as a loose connector, rodent chewing on the physical communication link, etc. The damaged locations of the physical communication link are places where the wireless communications are more likely to couple onto the physical communication link and cause interference. In response to detecting presence of an interference signal in the monitored frequency band of the physical communication link, the monitor resource transmits one or more notifications.

Abstract: A modem, method, and system is presented for performing a data communications speed test or line speed test between a network node and a customer premises. The modem may be configured to perform calculations for determining the data communications speed without interference of network elements or overhead modules that cause data communications to be inaccurate or otherwise affected.

Abstract: The present invention provides a system and method for representing quasi-periodic (“qp”) waveforms comprising, representing a plurality of limited decompositions of the qp waveform, wherein each decomposition includes a first and second amplitude value and at least one time value. In some embodiments, each of the decompositions is phase adjusted such that the arithmetic sum of the plurality of limited decompositions reconstructs the qp waveform. These decompositions are stored into a data structure having a plurality of attributes. Optionally, these attributes are used to reconstruct the qp waveform, or patterns or features of the qp wave can be determined by using various pattern-recognition techniques. Some embodiments provide a system that uses software, embedded hardware or firmware to carry out the above-described method. Some embodiments use a computer-readable medium to store the data structure and/or instructions to execute the method.

Abstract: Disclosed herein are a Desktop As A Service (DaaS) manager and DaaS client for a DaaS system. The DaaS manager includes a connection broker module, a provisioning module, a management module, and a web server module. The connection broker module permits connections to a DaaS client and a DaaS server to a user who has performed user authentication. The provisioning module determines the operating status of the DaaS server, and assigns a virtual machine of an optimum DaaS server to the DaaS client. The management module monitors the operating status of the DaaS server and the virtual machine, and executes a control command of the DaaS server. The web server module provides a web-based management tool Graphic User Interface (GUI) to the user.

Abstract: An alternative approach to coping with the ever increasing demand for faster communications hardware is to design modems that are capable of operating its speeds at a higher data rate than a speed required for a single port of the standard communication rate for that modem. Basically, by utilizing a resource manager, that directs the data in and out of the various portions of the modem in an orderly manner, keeping track of which of the ports is being operated at any given point in time, a standard single port modem can be reconfigured, for example, at an over clocked rate, to manipulate the data input and output of a modem.

Abstract: An optical management node comprising a memory comprising instructions, a processor coupled to the memory and configured execute the instructions, wherein executing the instructions causes the processor to schedule data transmissions across an electrical network between a plurality of user terminals and an optoelectrical interface by using time division multiplexing or time division multiple access based on optimization of crosstalk performance of electrical lines of the electrical network, and a transmitter coupled to the processor and configured to transmit schedule information to the optoelectrical interface via an optical network. Also disclosed is a method implemented in a management node comprising scheduling data transmissions with a plurality of user terminals across a Digital Subscriber Line (DSL) network using time division scheduling based on optimization of crosstalk performance of DSL lines of the DSL network, and transmitting schedule information to the user terminals via an optical network.

Abstract: A master apparatus includes a guard interval length determination portion that requests a plurality of slave apparatuses to cause the slave apparatuses to transmit respective OFDM signals of regular sequence in order without being mutually overlapped. The OFDM signal is obtained by adding a guard interval having a specified initial length to a regular valid symbol that is obtained by applying OFDM modulation to a regular data. A correlator outputs a cross correlation value between the regular sequence and a reception sample sequence. The guard interval length determination portion stores as a delay time a time interval from when the cross correlation value exceeds a first threshold value to when the cross correlation value exceeds a second threshold value. A common length of the guard interval is determined based on the maximum delay time among the delay times with respect to the respective slave apparatuses.

Abstract: The present discloses a dynamic transmit power control method for a power line communication (PLC) system. The dynamic transmit power control method includes steps of collecting a data; and adjusting a compliant transmit power spectrum density (PSD) mask according to a non-flat transmit PSD mask and the data; wherein the compliant transmit PSD mask complies with the non-flat transmit PSD mask, which comprises a plurality of reference PSDs corresponding to a plurality of frequency bands.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus (e.g., first transmitter) determines a transmission power of each of a plurality of neighboring transmitters respectively transmitting on a plurality of subchannels in a bandwidth, detects a pathloss to each of the plurality of neighboring transmitters respectively transmitting on the plurality of subchannels, and selects one of the plurality of subchannels for transmitting a signal based on the determined transmission power on each of the plurality of subchannels and the detected pathloss to each of the plurality of neighboring transmitters respectively transmitting on the plurality of subchannels.

Abstract: Methods and apparatuses are disclosed for detecting improper connection near the end of an xDSL loop based on separately analyzing the location and levels of time domain signals associated with different transmission bands in an xDSL band plan. In one embodiment, a method is disclosed to separately convert the received test signal data to different sets of time domain data corresponding to different sets of the separate frequency bands, and then to separately analyze the different sets of time domain data to identify an improper connection near the modem.