Methods, systems, and devices for multiplexing distinct signals on a single pin of a memory device are described. Techniques are described herein to multiplex data using a modulation scheme having at least three levels. The modulated data may be communicated to multiple memory dies over a shared bus. Each of the dies may include a same or different type of memory cell and, in some examples, a multi-level signaling scheme may be pulse amplitude modulation (PAM). Each unique symbol of the modulated signal may be configured to represent a plurality of bits of data.

An apparatus for generating a data signal comprises a processing circuit configured to generate the data signal, the data signal comprising a sequence of a first signal edge of a first type, a second signal edge of a second type, and a third signal edge of the first type, the first signal edge and the second signal edge being separated by a first time period corresponding to first data to be transmitted, and the second signal edge and the third signal edge being separated by a second time period corresponding to second data to be transmitted. An output interface circuit is configured to output the data signal.

According to an embodiment of the disclosure, a base station communicating by using a plurality of antennas includes: a memory; a transceiver including the plurality of antennas forming an array structure; and at least one processor configured to convert first in-phase quadrature (IQ) data included in a first digital signal into radio frequency (RF) signals and then apply the RF signals to the plurality of antennas, respectively, detect a back-lobe signal beam-formed by the plurality of antennas, and perform linearization on second IQ data included in a second digital signal, based on the detected back-lobe signal.

Transmitters and communication systems are disclosed. In one example, a transmitter includes first to third serializers that generate first to third serial signals; a first output section configured to set a voltage of a first output terminal; a first output control circuit configured to control an operation of the first output section on the basis of the first serial signal and the second serial signal; a second output section configured to set a voltage of a second output terminal; a second output control circuit configured to control an operation of the second output section on the basis of the third serial signal and the first serial signal; a third output section configured to set a voltage of a third output terminal; and a third output control circuit configured to control an operation of the third output section on the basis of the second serial signal and the third serial signal.

Facilitating the reduction and/or mitigation of spatial emissions in a multi antenna wireless communications system is provided herein. A system can comprise a memory that stores executable instructions that, when executed by a processor, facilitate performance of operations that can comprise applying a first signal linearization to a first output signal of a first power amplifier based on a determination that an adjacent channel leakage ratio of the first output signal of the first power amplifier fails to satisfy a defined output value. The operations can also comprise applying a second signal linearization to a group of output signals of a group of power amplifiers for a defined azimuth direction associated with channel frequencies of the group of output signals and applying a third signal linearization to the group of output signals for a defined elevation direction associated with the channel frequencies of the group of output signals.

Facilitating the reduction and/or mitigation of spatial emissions in a multi antenna wireless communications system is provided herein. A system can comprise a memory that stores executable instructions that, when executed by a processor, facilitate performance of operations that can comprise applying a first signal linearization to a first output signal of a first power amplifier based on a determination that an adjacent channel leakage ratio of the first output signal of the first power amplifier fails to satisfy a defined output value. The operations can also comprise applying a second signal linearization to a group of output signals of a group of power amplifiers for a defined azimuth direction associated with channel frequencies of the group of output signals and applying a third signal linearization to the group of output signals for a defined elevation direction associated with the channel frequencies of the group of output signals.

A master module (52A) mediates communication between an electric apparatus (6) to which a signal processing device (100) is connected and apparatus control devices (3, 4B) that control the electric apparatus. The master module is provided with: a plurality of first communication ports (54) for respectively connecting to a plurality of signal processing devices via a communication cable (51) for transmitting a superimposed signal; a data signal processing unit (44) that extracts a data signal from the superimposed signal received through the first communication port; an abnormality information generation unit (504) that, on the basis of status information that is included in the extracted data signal and indicates an abnormal state of the electric apparatus, generates abnormality information which indicates information related to an abnormality that has occurred; and an information output unit (503) that outputs the abnormality information such that the apparatus control devices can acquire the abnormality information.

A master module (52A) mediates communication between an electric apparatus (6) to which a signal processing device (100) is connected and apparatus control devices (3, 4B) that control the electric apparatus. The master module is provided with: a plurality of first communication ports (54) for respectively connecting to a plurality of signal processing devices via a communication cable (51) for transmitting a superimposed signal; a data signal processing unit (44) that extracts a data signal from the superimposed signal received through the first communication port; an abnormality information generation unit (504) that, on the basis of status information that is included in the extracted data signal and indicates an abnormal state of the electric apparatus, generates abnormality information which indicates information related to an abnormality that has occurred; and an information output unit (503) that outputs the abnormality information such that the apparatus control devices can acquire the abnormality information.

A communication method includes generating at a first node, a message of a predetermined message temporal length that indicates an input value to be encoded and transmitting, at the first node, a signal including a pulse train corresponding to the generated message. The signal including the pulse train includes two pulses that define start and end of the message, respectively, and further two pulses that define within the message, a first time interval calculated from the input value in accordance with a first function and a second time interval calculated from the input value in accordance with a second function, respectively.

A charging cable includes: a plurality of pins; a storage configured to store software, which controls communication with a communication device connected through at least one of the plurality of pins, controls communication with a charging object connected through the plurality of pins, controls charging of the charging object and monitors the charging; and a controller configured to: when a first voltage is applied to the at least one pin of the plurality of pins, control to output a pulse width modulation (PWM) signal having a predetermined first duty ratio corresponding to a communication enabled state with the communication device through the at least one pin; and when a second voltage is applied to the at least one pin, change to an update mode and control to output the PWM signal having a predetermined second duty ratio corresponding to the change to the update mode through the at least one pin.