Abstract: A mobility management node and a method in a mobility management node for reducing signalling caused by changes of location of a radio terminal, which mobility management node is configured to be operatively comprised by a wireless communication system and to operatively manage the mobility of the radio terminal and to operatively communicate with a gateway node acting as an interface between the system and an external network. The method comprises obtaining initial position information; obtaining boundary information indicating a boundary area wherein at least one of a policy or a charging rule is to be applied for the radio terminal; obtaining current position information; determining whether the radio terminal is inside or outside the boundary area; providing mobility information when the radio terminal is outside the boundary area and not providing mobility information to the gateway node when the radio terminal is inside the boundary area.

Abstract: A multi-modulation scheme is provided that combines pulse-width modulation and phase modulation.

Abstract: A method and mobile device configured to display time zone information of a destination mobile device to which the mobile device connects based on time zone information of the mobile device and the destination mobile device.

Abstract: A system may include an interface circuit coupled to a wire bus. The interface circuit may receive a multi-level symbol according to a status of the wire bus. The interface circuit may include a clock recovery circuit configured to generate a recovered clock based on the multi-level symbol. The interface circuit may latch the multi-level symbol based on one of an external clock and the recovered clock according to an operation speed of the system.

Abstract: In a general aspect, motion is detected based on wireless signals. In some aspects, a modulation type of a first signal is identified at a motion detector device. The first signal is based on a wireless signal transmitted through a space by a transmitter device and received by the motion detector device. A demodulator at the motion detector device generates a second signal from the first signal by demodulating the first signal according to the identified modulation type. A modulator at the motion detector device generates a third signal from the second signal by modulating the second signal according to the identified modulation type. A channel response is generated based on the first signal and the third signal. The channel response is used to detect motion of an object in the space.

Abstract: A radio communication system, a radio station, a network operation management apparatus, and a network healing method are provided that can suppress system performance degradation caused when a failure occurs in a radio base station, a network apparatus, or the like. In a radio communication system which includes multiple radio stations (10, 20) and a network operation management apparatus (30) managing the radio stations and in which network optimization is performed, at least one of a first radio station (10) in which a failure occurs, a second radio station (20) different from the first ration station, and the network operation management apparatus (30) sends alarm information regarding the failure.

Abstract: A modulation processor (500) comprises a first processing stage (110) and a second processing stage (120). The first processing stage (110) comprises a phase generation stage (117) arranged to generate a phase signal (PM) indicative of a phase of a modulation signal (S), a differentiation stage (118) arranged to generate a frequency signal (FM) by differentiating the phase signal (PM), and a first bandwidth reduction stage (113) arranged to generate a first output signal (FM_LP) by reducing a bandwidth of the frequency signal (FM). The second processing stage (120) is arranged to generate a second output signal (AM*) proportional to the modulation signal (S) with its phase retarded by an angle equal to an integral of the first output signal (FM_LP).

Abstract: Aspects of the subject disclosure may include, for example, a system for generating electromagnetic waves having a fundamental wave mode, and directing the electromagnetic waves to an interface of a transmission medium for guiding propagation of the electromagnetic waves. Other embodiments are disclosed.

Abstract: A circuit comprises a vector separator circuit to generate a first extracted signal according to (i) a first correlation signal, (ii) a second correlation signal, and (iii) a relative response signal. The first correlation signal corresponds to a first correlation between an input signal and a first test signal. The first test signal has a first frequency, and the input signal includes a first spur having the first frequency. The second correlation signal corresponds to a second correlation between the input signal and a second test signal. The second test signal has a second frequency. The relative response signal corresponds to a relative response of the second frequency in the first correlation signal.

Abstract: A pulse wave shaper for reducing the radiation emission level is disclosed. The pulse wave shaper, comprises a first integrator, wherein the first integrator receives a first pulse wave and generates a second pulse wave and a second integrator coupled to the first integrator, wherein the second integrator receives the second pulse wave and generates a third pulse wave with a pulse wave amplitude. The first pulse wave comprises a first pulse wave shape, the second pulse wave comprises a second pulse wave shape, and the third pulse wave comprises a third pulse wave shape. The third pulse wave shape, when transmitted over a bus, generates a reduced radiation emission level.

Abstract: A communication system includes a receiver for decoding data having three states of ?1, 0, and 1. The receiver includes a first input coupled to a first data line, a second input coupled to a second data line, and a third input coupled to a third data line. A first comparator is coupled to a first output, wherein the first comparator is for generating data signals in response to the sign of voltages on the first data line minus voltages on the second data line. A second comparator is coupled to a second output, wherein the second comparator is for generating clock signals in response to the sign of voltages on the third data line minus the average of voltages on the first and second data lines.

Abstract: Embodiments of the present invention disclose a signal transmission method. A first correspondence is acquired between both a PSD of transmitted signals of the first communications equipment and a PSD of transmitted signals of a second communications equipment and a signal-to-noise ratio of received signals of the first communications equipment. A second correspondence is acquired between the signal-to-noise ratio of received signals of the first communications equipment and the number of bits for bearing signals. An optimization algorithm is used to calculate a PSD of transmitted signals of the first communications equipment and a PSD of transmitted signals of the second communications equipment.

Abstract: In one embodiment, a phase locked loop (PLL) comprises a voltage-controlled oscillator (VCO), a frequency divider configured to frequency divide an output signal of the VCO to produce a feedback signal, and a phase detection circuit configured to detect a phase difference between a reference signal and the feedback signal, and to generate an output signal based on the detected phase difference. The PLL also comprises a proportional circuit configured to generate a control voltage based on the output signal of the phase detection circuit, wherein the control voltage tunes a first capacitance of the VCO to provide phase correction. The PLL further comprises an integration circuit configured to convert the control voltage into a digital signal, to integrate the digital signal, and to tune a second capacitance of the VCO based on the integrated digital signal to provide frequency tracking.

Abstract: A process variable transmitter includes a sensor terminal block having a plurality of sensor line connectors to connect to sensor lines from at least one process variable sensor. The sensor terminal block defines a reception area that in a first instance accepts a removable standard power terminal block and in a second instance accepts a removable transient power terminal block. One of the removable standard power terminal block and the removable transient power terminal block is inserted in the reception area of the sensor terminal block.

Abstract: A semiconductor device capable of communicating with a host apparatus includes a symbol generation unit, a coding unit, and a transmission unit. The symbol generation unit includes a random number generation circuit and generates a symbol according to a random number generated by the random number generation circuit. The coding unit performs 8b/10b coding for the symbol. The transmission unit transmits the symbol coded by the 8b/10b coding unit to the host apparatus.

Abstract: A first communication device obtains, for each second communication device of a plurality of second communication devices, one or more quality indicators corresponding to one or more sub-channel blocks of an orthogonal frequency division multiplexing (OFDM) communication channel associated with the second communication device. The first communication device selects, based on the quality indicators obtained for each of at least some of the second communication devices, a group of second communication devices for orthogonal frequency division multiple access (OFDMA) communication. The first communication device transmits, to the group of second communication devices, at least one OFDMA data unit that includes respective OFDM data units directed to the two or more second communication devices of the group. The respective OFDM data units are transmitted in respective sub-channel blocks allocated to the two or more second communication devices of the group.

Abstract: A mobile station includes a notifying unit configured to transmit a notification signal to a base station forming a serving cell, when a certain condition used to determine whether or not to perform a handover is satisfied, and a handover processing unit configured to start a handover process according to presence or absence of first communication data after transmission of the notification signal.

Abstract: The present disclosure provides a link assist capability that may be added to a compiled design that includes a transceiver. The transceiver with the link assist capability may be dynamically reconfigured to operate in a link assist mode, which is a diagnostic and test mode. The link assist mode may interact with a HSSI link partner, or a design software tool, or a user-defined program. The link assist mode may also facilitate remote debugging. One embodiment relates to an apparatus for serial interface link assist. Another embodiment relates to a method of dynamic reconfiguration of transceiver settings. Another embodiment relates to a method of tuning a bidirectional serial link. Other features, aspects and embodiments are also disclosed.

Abstract: An appropriate communication service is provided in response to usage of a user. The information processing apparatus includes a control unit and a recording unit. The control unit is configured to perform control so as to give a wireless communication apparatus a connection credit for connecting to a predetermined network using a wireless communication, wherein the connection credit is used to provide a particular service. The recording unit is configured to record a usage history of a service other than a particular service by the wireless communication apparatus connecting to the network using the given connection credit.

Abstract: A method of encoding a data signal is disclosed. The method includes selecting a set of M ultrasonic frequencies, wherein each of the M ultrasonic frequencies differs from an adjacent frequency by at least a first frequency spacing, and wherein M is a positive integer. The method further includes forming a trellis matrix and encoding the data signal with the trellis matrix to form a set of Q of the M ultrasonic frequencies, wherein Q is a positive integer less than M, and wherein a minimum frequency separation between any pair of the Q frequencies of the set is greater than the first frequency spacing.