H04J2211/006

TRANSMITTING APPARATUS, RECEIVING APPARATUS, TRANSMITTING METHOD, AND RECEIVING METHOD

A transmitting apparatus includes a first signal generating unit that generates, on the basis of data a first signal transmitted by single carrier block transmission; a second signal generating unit that generates, on the basis of an RS, a second signal transmitted by orthogonal frequency division multiplex transmission; a switching operator that selects and outputs the second signal in a first transmission period and selects and outputs the first signal in a second transmission period; an antenna that transmits the signal output from the switching operator; and a control-signal generating unit that controls the second signal generating unit such that, in the first transmission period, the RS is arranged in a frequency band allocated for transmission of the RS from the transmitting apparatus among frequency bands usable in OFDM.

Transmitting apparatus, receiving apparatus, transmitting method, and receiving method

A transmitting apparatus includes a first signal generating unit that generates, on the basis of data a first signal transmitted by single carrier block transmission; a second signal generating unit that generates, on the basis of an RS, a second signal transmitted by orthogonal frequency division multiplex transmission; a switching operator that selects and outputs the second signal in a first transmission period and selects and outputs the first signal in a second transmission period; an antenna that transmits the signal output from the switching operator; and a control-signal generating unit that controls the second signal generating unit such that, in the first transmission period, the RS is arranged in a frequency band allocated for transmission of the RS from the transmitting apparatus among frequency bands usable in OFDM.

User equipments, base stations and methods

A UE is described that includes a higher layer processor configured to receive a dedicated RRC configuration message which configures a License Assisted Access (LAA) cell. The UE also includes a PDCCH receiver configured to receive a first PDCCH and a second PDCCH. The first PDCCH is a PDCCH with CRC scrambled by CC-RNTI, and with a DCI format which contains a subframe configuration field. The second PDCCH is a PDCCH with DCI formats for scheduling physical uplink shared channel(s) (PUSCH(s)) on the LAA cell. If the first PDCCH is detected in subframe n, and the first PDCCH is not detected in subframe n−1, and if the number of occupied OFDM symbols for the subframe n indicated by the subframe configuration field in the subframe n is less than 14, the UE is not required to receive any other physical channels in subframe n except for the second PDCCH.

Devices And Methods For Single Carrier Modulation Schemes
20220077884 · 2022-03-10 ·

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.

SYSTEMS/METHODS OF PROVIDING A PROCESSING CAPABILITY TO A FIRST DEVICE BY A SECOND DEVICE
20210160766 · 2021-05-27 ·

Inventive concepts and embodiments associated therewith are provided wherein a first device may solicit a processing capability from at least one second device that may be proximate to the first device. In some embodiments, the processing capability comprises receiving data by the at least one second device from the first device, processing the data and transmitting by the at least one second device a processed version of said data to a destination device. In some embodiments, the first device comprises a smartphone that is configured to perform operations comprising wirelessly soliciting the processing capability from the at least one second device. In some embodiments, the at least one second device comprises at least one smartphone and the destination device comprises a base station.

SYSTEMS/METHODS OF WEARABLE AUXILIARY DEVICES FUNCTIONING IN COOPERATION WITH A DESTINATION DEVICE
20210068043 · 2021-03-04 ·

Inventive concepts and embodiments associated therewith are provided wherein an auxiliary device, that is attached to a person, is configured to function in cooperation with a destination device that is on the person. In some embodiments, the auxiliary device is uniquely associated with specific information that is to be conveyed to the destination device following reception of a signal by the auxiliary device. Embodiments are disclosed wherein, following reception of the signal by the auxiliary device, the auxiliary device processes the signal and then conveys the specific information that is uniquely associated therewith to the destination device without direct human interaction with the auxiliary device. In some embodiments, the auxiliary device comprises a personal wearable device and the destination device comprises a smartphone.

SYSTEMS/METHODS OF CARRIER AGGREGATION USING CELLULAR FREQUENCIES AND MICROWAVE FREQUENCIES
20210076315 · 2021-03-11 ·

Inventive concepts and embodiments associated therewith are provided wherein a first device transmits first information to a destination device using a first band of frequencies comprising microwave frequencies and cellular frequencies while a second device, that comprises a connection to the first device, transmits second information to the destination device using a second band of frequencies that differs from the first band of frequencies, is devoid of cellular frequencies and comprises microwave frequencies. In some embodiments, the connection of the second device to the first device comprises a wireless connection. In further embodiments, at least one of said first and second devices comprises a smartphone.

Time-domain and frequency-domain approach to frequency offset correction method for LTE SC-FDMA uplink
10944496 · 2021-03-09 · ·

Systems and methods for canceling carrier frequency offset (CFO) and sampling frequency offset (SFO) in a radio receive chain are disclosed. In one embodiment, a method is disclosed, comprising: receiving a sub-frame via a radio receive chain in a time domain; performing per-user filtering on the sub-frame to obtain a signal for a particular user; obtaining a CFO correction signal; adding the CFO correction signal in the time domain to perform a CFO correction step on the signal for the particular user; performing an FFT on the output of the CFO correction step to obtain samples in a frequency domain; adding an SFO correction signal in the frequency domain to perform an SFO correction to the output of FFT step; and demodulating the output of SFO correction step, thereby performing CFO and SFO correction while reducing inter-carrier interference (ICI).

Method for communication apparatus processing an in-band emission interference signal when the communication apparatus operating in FDR mode tranceives signals using FDM manner

A method for a base station processing an in-band emission interference signal caused when the base station operating in a Full Duplex Radio (FDR) mode transceives signals using a Frequency Division Multiplexing (FDM) manner includes transmitting a downlink signal in a flexible downlink duration of an uplink band; and processing the in-band emission interference signal caused by transmission of the downlink signal in an uplink duration of the uplink band, wherein the processing of the in-band emission interference signal is performed by puncturing a corresponding resource of the uplink duration, wherein the resource on the downlink signal is transmitted is mirrored to the corresponding resource of the uplink duration from a Direct Current (DC) subcarrier as a reference.

SYSTEMS/METHODS OF MODE VARIABILITY RESPONSIVE TO A SIZE OF DATA TO BE TRANSMITTED
20240007936 · 2024-01-04 ·

Systems/methods are disclosed wherein a transmitter is used to convey information to a destination device by wirelessly transmitting using first frequencies; and, responsive to a size of data that is to be transmitted, wirelessly transmitting using second frequencies; wherein at least some of the second frequencies differ from the first frequencies. In some embodiments, the transmitter comprises first and second transmitters that convey information to the destination device by wirelessly transmitting by the first transmitter first data using first frequencies and, responsive to the size of data to be transmitted, wirelessly transmitting by the second transmitter second data using second frequencies. According to some embodiments, the first and second data are transmitted simultaneously in time. According to further embodiments, a smartphone comprises the transmitter or the first and second transmitters. According to additional embodiments, a base station comprises the transmitter or the first and second transmitters.