A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method by a terminal for determining frequency resources in a cellular network is provided.

The present disclosure relates to a communication technique for fusing, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. A method of a terminal according to an embodiment of the present invention comprises: receiving an indicator for changing a bandwidth from a base station; identifying whether there is a signal to be transmitted on the changed bandwidth at a time of transmitting hybrid automatic repeat request (HARQ) ACK information for data received on a secondary cell (SCell) from the base station; and multiplexing and transmitting the signal and the HARQ ACK information in case that there is a signal to be transmitted in the changed bandwidth.

A transmitter device, a receiver device and a transceiver device for a multicarrier modulation scheme. The transmitter device is configured to obtain a plurality of signature roots based on receiving a feedback message from a receiver device, construct a Lagrange matrix or a Vandermonde matrix from the plurality of signature roots, and generate a multicarrier modulated signal based on the Lagrange matrix or the Vandermonde matrix. The receiver device is configured to determine a plurality of signature roots, construct a Lagrange matrix or a Vandermonde matrix from the plurality of signature roots, and perform a demodulation of a multicarrier modulated signal based on the Lagrange matrix or the Vandermonde matrix. The transceiver device comprises a transmitter device configured to generate a multicarrier modulated signal, and a receiver device configured to perform a demodulation of the multicarrier modulated signal.

The present invention relates to single carrier modulation schemes, and presents a transmitter device, a receiver device and a transceiver device for a single carrier modulation scheme. The transmitter device is configured to generate a plurality of signature roots for a single carrier transmission, construct a Lagrange matrix and a Vandermonde matrix based on the plurality of signature roots, and generate a single carrier modulated signal based on the Lagrange and the Vandermonde matrix. The receiver device is configured to determine a plurality of signature roots, construct at least two Vandermonde matrices from the plurality of signature roots, and perform a demodulation of a single carrier modulated signal based on the at least two Vandermonde matrices. The transceiver device comprising a transmitter device configured to generate a single carrier modulated signal, and a receiver device configured to perform a demodulation of the single carrier modulated signal.

A resource mapping method and a communication apparatus include a communication device that determines whether a first information block corresponds to one or more modulation symbols, and determines whether a second information block corresponds to one or more modulation symbols, where the first information block and the second information block are transmitted through a same physical channel, the first information block and the second information block correspond to a total of M modulation symbols, and the physical channel includes N spatial resources. The communication device maps the M modulation symbols to the N spatial resources, where N and M are integers greater than or equal to 2. The modulation symbols obtained by independently coding and modulating the different information blocks are mapped to the plurality of spatial resources of the physical channel.

In order to enable control related to radio communication to be performed more appropriately when radio transmission schemes coexist, a radio communication apparatus according to an example aspect of the present invention includes a radio communication processing unit configured to perform communication using a first radio transmission scheme within a frequency band, wherein the radio communication processing unit is configured to perform communication using a second radio transmission scheme within a bandwidth part of the frequency band, radio resources within the bandwidth part being allocable for communication using the second radio transmission scheme.

Methods and apparatuses for carrier aggregation with discontinuous reception is disclosed. At least two different time division duplexing configurations can be communicated from serving cells to a device, the subframes of the at least two different configurations being counted for purposes of operating at least one timer function according to a predefined rule of counting. Discontinuous communications by the serving cells with the device are controlled based on the predefined rule of counting such that at least one timer function associated with discontinuous reception from the serving cells is operated based on the counting.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling identifying a configuration for a reference signal comprising a single carrier waveform and associated with single carrier signals for a plurality of symbol periods, the configuration indicating a plurality of channels associated with the reference signal and a set of functions associated with the reference signal. The UE may receive, according to the configuration, the reference signal in a first one or more symbol periods of the plurality of symbol periods and the single carrier signals on the plurality of channels in a second one or more symbol periods of the plurality of symbol periods. The UE may perform the set of functions on the received single carrier signals based at least in part on the received reference signal.

One aspect of the present disclosure provides a quantum circuit assembly that includes a substrate with one or more qubit devices, and at least one demultiplexer included in a single chip with the qubit device(s). The demultiplexer is configured to receive a combined signal from external electronics, the combined signal including a combination of a plurality of signals in different frequency ranges, and to demultiplex said plurality of signals within the combined signal. The demultiplexer is further configured to apply different demultiplexed signals to different lines of a single qubit device, or/and to different qubit devices. Providing such demultiplexers on-chip with the qubit devices advantageously allows reducing the number of input/output lines coupling the chip with qubit devices and the external electronics.

Methods and apparatuses for carrier aggregation with discontinuous reception is disclosed. At least two different time division duplexing configurations can be communicated from serving cells to a device, the subframes of the at least two different configurations being counted for purposes of operating at least one timer function according to a predefined rule of counting. Discontinuous communications by the serving cells with the device are controlled based on the predefined rule of counting such that at least one timer function associated with discontinuous reception from the serving cells is operated based on the counting.