The present disclosure relates to a bus device and a corresponding bus system. Furthermore, the present disclosure relates to a corresponding method of operating a bus device.

In accordance with a first aspect of the present disclosure there is provided a bus device comprising a bus protocol controller with a transmit data output and a bus transceiver with a transmit data input coupled to the transmit data output of the bus protocol controller, wherein the bus protocol controller is configured to provide a serial bit stream designated for transmission through a bus via the transmit data output of the bus controller and via the transmit data input to the bus transceiver and to provide a switching signal within the serial bit stream, and wherein the bus transceiver is configured to switch between different operating modes in response to the switching signal.

Methods, apparatus and systems for detecting and monitoring vital signs and other periodic motions of an object are disclosed. In one example, a system for monitoring object motion in a venue is disclosed. The system comprises a transmitter, a receiver, and a vital sign estimator. The transmitter is located at a first position in the venue and configured for transmitting a wireless signal through a wireless multipath channel impacted by a pseudo-periodic motion of an object in the venue. The receiver is located at a second position in the venue and configured for: receiving the wireless signal through the wireless multipath channel impacted by the pseudo-periodic motion of the object in the venue, and obtaining at least one time series of channel information (TSCI) of the wireless multipath channel based on the wireless signal. The vital sign estimator is configured for: determining that at least one portion of the at least one TSCI in a current sliding time window is associated with the pseudo-periodic motion of the object in the venue, and computing a current characteristics related to the pseudo-periodic motion of the object in the current sliding time window based on at least one of: the at least one portion of the at least one TSCI in the current sliding time window, at least one portion of the at least one TSCI in a past sliding time window, and a past characteristics related to the pseudo-periodic motion of the object in the past sliding time window.

A data communication system, including master-side and slave-side data communication apparatuses configured to perform bidirectional communication with each other via a single-wire communication line. The master-side data communication apparatus includes first and second transistors performing switching according respectively to an input clock and write data, and a master-side data reproduction circuit reproducing read data transmitted from the slave-side. The slave-side data communication apparatus includes a clock reproduction circuit and a slave-side data reproduction circuit configured to respectively reproduce the input clock and the write data transmitted from the master-side, and a third transistor performing switching both according to the input clock reproduced by the clock reproduction circuit and according to the read data.

A data communication system, including master-side and slave-side data communication apparatuses configured to perform bidirectional communication with each other via a single-wire communication line. The master-side data communication apparatus includes first and second transistors performing switching according respectively to an input clock and write data, and a master-side data reproduction circuit reproducing read data transmitted from the slave-side. The slave-side data communication apparatus includes a clock reproduction circuit and a slave-side data reproduction circuit configured to respectively reproduce the input clock and the write data transmitted from the master-side, and a third transistor performing switching both according to the input clock reproduced by the clock reproduction circuit and according to the read data.

Embodiments of the invention relate to methods and systems for processing a network data block. One or more embodiments of the invention include receiving network data at a receiver/transmitter comprising a serializer/deserializer (SERDES). One or more embodiments of the invention include identifying, by the PHY, a start of a data block within the network data. One or more embodiments of the invention include performing, by the SERDES and after identifying the start of the data block, a SERDES action to obtain a SERDES data block. In one or more embodiments of the invention, the SERDES action is based on an encoding scheme used in transmission of the network data. One or more embodiments of the invention include also includes transmitting the SERDES data block towards a receiver.

Embodiments of the invention relate to methods and systems for processing a network data block. One or more embodiments of the invention include receiving network data at a receiver/transmitter comprising a serializer/deserializer (SERDES). One or more embodiments of the invention include identifying, by the PHY, a start of a data block within the network data. One or more embodiments of the invention include performing, by the SERDES and after identifying the start of the data block, a SERDES action to obtain a SERDES data block. In one or more embodiments of the invention, the SERDES action is based on an encoding scheme used in transmission of the network data. One or more embodiments of the invention include also includes transmitting the SERDES data block towards a receiver.

A method for transmitting feedback information by a terminal may comprise the steps of: receiving, from a base station, information on a feedback group allocated to the terminal in a predefined feedback table; selecting a first feedback index in the allocated feedback group; and transmitting feedback information including the selected first feedback index to the base station, wherein the feedback table includes a plurality of feedback groups, the plurality of feedback groups in the feedback table include predetermined number of feedback indices, respectively, and the plurality of feedback groups in the feedback table have differently configured quantization level resolutions for the feedback information, respectively.

An active optical cable is disclosed. According to the present disclosure, there is provided an active optical cable, having no complicated structure by obviating the need for a separate monitoring photodetector as was used for a typical optical transceiver, increasing light output-current linearity to improve optical coupling efficiency, generating a library of transmission/reception-related electro-optical characteristics of both optical modules so as to enable light outputted from a light source included in an optical transmitter to maintain high linearity over a wide range of temperatures, thereby reducing power consumption, and being applicable to a multi-level PAM technique involving at least four (4) levels.

A synchronous communication interface includes at least one data channel configured to carry a data signal comprising a plurality of data units; a control channel parallel to the at least one data channel, the control channel configured to carry a control signal for the at least one data channel; and a circuit configured to generate the control signal that includes control information that defines each of the plurality of data units in each data signal and further includes additional information. The circuit is configured to vary a duty cycle of the control signal according to a mapping of the additional information to a plurality of discrete duty cycle states.

One or more Variable Frequency Drives (VFD) are connected to a packet network and the power transistor drive signals normally generated by the VFD to produce a desired Pulse Width Modulated (PWM) motor drive signal are generated by a software controller located in the packet network and transmitted to the VFD. The control of the VFDs can be (1) centralized using some centralized software controller communicating to the VFDs over the packet network, and/or (2) distributed, in which case VFDs can peer with each other over the packet network, to communicate control state.