20results about "Local circuits" patented technology

When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement / negative acknowledgement (ACK / NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.

A reception-side apparatus includes: M receive antennas; and a processor configured to execute a first process of acquiring a first signal received from a first transmission-side apparatus from among signals simultaneously received from the N transmission-side apparatuses by receive diversity processing, and acquiring first data by demodulating and decoding the first signal. In the case of N>M, the processor acquires, for each of all patterns of a combination of a first signal, second signals from M−1 transmission-side apparatuses which are to be cancelled by receive diversity processing and third signals from N−M transmission-side apparatuses which are not to be cancelled by the receive diversity processing, a power ratio of power of the first signal relative to total power of the second and third signals based on a predetermined weight and a channel estimate of each signal, and selects a combination with the largest power ratio from among all the patterns.

Methods, systems, and devices for line of sight (LOS) multiple input multiple output (MIMO) signaling aspects for wireless communication. A wireless device may transmit, to a network device, a capability message indicating that the wireless device supports a LOS mode. The wireless device may receive, from the network device in response to the capability message, a control message indicating activation of the LOS mode and at least one LOS mode parameter based at least in part on a channel measurement associated with a wireless channel between the wireless device and the network device indicating that the wireless channel satisfies a LOS path criterion. The wireless device may communicate a message with the network device in accordance with the LOS mode parameter.

A communication method and apparatus is provided so that a fading channel can implement a good error correction capability. This helps improve information transmission reliability. The method includes: a transmit end device determines, based on N bit sets, a first sequence and a second sequence that are obtained through quadrature amplitude modulation QAM. The first sequence includes N in-phase components, and the second sequence includes N quadrature components; or the first sequence includes N quadrature components, and the second sequence includes N in-phase components, where N is an integer greater than or equal to 2. Then, the transmit end device performs interleaving processing on the first sequence, to obtain a third sequence. Then, the transmit end device sends, to a receive end device, a symbol sequence determined based on the second sequence and the third sequence. The symbol sequence includes N QAM symbols.

Systems, methods, apparatuses, and computer program products for interference reduction. One method may include calculating at least one downlink beamforming coefficients vector, and estimating at least one channel coefficient. Interference may be calculated, and a configuration may be selected based upon a determination of interference power. The transformed beamforming coefficients vector may be calculated by at least one of minimizing maximum interference power over one or more uplink antenna elements, minimizing mean interference power over one or more uplink antenna elements, or minimizing interference power based on uplink beamforming.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit one or more indications, wherein at least one of the one or more indications indicates a latency associated with switching a spatial direction of an antenna. The UE may receive a configuration. The UE may transmit or receive a communication in accordance with the configuration and the one or more indications. Numerous other aspects are described.

In an aspect, a user equipment may receive assistance information for one or more index modulated sensing waveforms. The user equipment may receive index modulated sensing signals, the index modulated sensing signals based on the one or more index modulated sensing waveforms. The user equipment may process the index modulated sensing signals using at least some of the assistance information.

This application provides a signal transmission method and an apparatus. The method includes: determining a first frequency domain resource in a sidelink resource pool, and sending a first signal through the first frequency domain resource. A bandwidth of the first frequency domain resource is equal to a maximum available bandwidth of the sidelink resource pool; and the first signal is located in a 1st symbol of a first time unit in time domain, where a signal in the 1st symbol is used for automatic gain control, and the first signal is used for sensing measurement on a sidelink. According to the method provided in this application, a first terminal device sends, in the 1st symbol of the first time unit, the first signal used for the sensing measurement, and the first signal may further keep an original function unchanged, that is, the first signal is used for the automatic gain control, so that the sensing measurement is implemented through the first signal without causing a loss to communication performance, and integrated sensing and communication on the sidelink is enabled.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling that indicates an orthogonal cover coding (OCC) codeword assigned to the UE and an OCC factor. The UE may receive an uplink grant that allocates, to the UE, uplink resources over a series of uplink time units for a quantity of repetitions of a transmission block. The UE may subsequently use the assigned OCC codeword to transmit each repetition of the quantity of repetitions of the transmission block over a quantity of uplink time units of the series of uplink time units, where a function of the quantity of uplink time units and the quantity of repetitions satisfies a threshold, and where the quantity of uplink time units is greater than or equal to the OCC factor.

A user equipment comprises: means for determining at least one preferred beam for communication between the user equipment and a network node to be used in preference to a beam measured by the user equipment to have a highest quality; and means for reporting an indication of the at least one preferred beam to the network node.

The present application relates to a method for optimizing the operation of a receiving device in a communication network, comprising: at least one iteration: of obtaining (21), over a time interval, a power measurement information I Pr of a wave resulting from signals received by the receiving device, a first of the signals being emitted by a transmitting device, a second of the signals being obtained by reflection of the first signal emitted by the transmitting device on a reconfigurable reflective surface and at least a third of the signals being formed by a conditional backscattering of the first signal and / or the second signal by a backscattering device and carrying a synchronization information; of determining (22), from the power measurement information obtained, a spatial distribution of the powers;an optimization (23) of the operation of the receiving device including an adaptation of the spatial distribution of powers taking into account the synchronization information. Fig 2.;

The embodiments of the present application relate to the technical field of communications. Disclosed are a user scheduling method in multi-antenna signal transmission, and an electronic device and a storage medium. The method comprises: acquiring channel information of channels that are used by a plurality of users, and according to the channel information of the channels that are used by the users, constructing a channel information covariance corresponding to each user; calculating a correlation coefficient between every two users according to the channel information covariance of each user; and selecting a scheduled user on the basis of the number of scheduled users and the correlation coefficient between every two users.

A method for determining a default beam, includes: determining one or multiple transmission configuration indication (TCI) states corresponding to a specific physical downlink control channel (PDCCH); and determining the default beam according to the one or multiple TCI states.

This application provides a signal transmission method and an apparatus. The method includes: determining a first frequency domain resource in a sidelink resource pool, and sending a first signal through the first frequency domain resource. A bandwidth of the first frequency domain resource is equal to a maximum available bandwidth of the sidelink resource pool; and the first signal is located in a 1st symbol of a first time unit in time domain, where a signal in the 1st symbol is used for automatic gain control, and the first signal is used for sensing measurement on a sidelink. According to the method provided in this application, a first terminal device sends, in the 1st symbol of the first time unit, the first signal used for the sensing measurement, and the first signal may further keep an original function unchanged.

A method, implemented at a receiving device, for receiving an orthogonal time frequency space (OTFS) signal comprising a multiplex of transmissions from multiple transmitting devices is described. The method includes performing joint equalization on the multiplex to generate jointly equalized symbols, extracting, from the jointly equalized symbols, symbols corresponding to a given transmitting device based on extrinsic information about transmission resource location of the symbols, demapping the extracted symbols and performing forward error correction to generate output bits and generating a feedback signal based on the output bits for improving the joint equalization in a next iteration.

A method for processing radio-frequency signals received on R antennas, where R≥2, includes, implemented by a radio unit: obtaining a frequency representation of the radio-frequency signal received on an antenna, demapping the frequency representations, first estimation of the transmission channel of the radio-frequency signals and of a noise-plus-interference covariance, projecting a vector of R complex samples onto a vector of L complex samples, referred to as projected samples, transmitting the vector of L projected samples to a base band processing unit, as well as the following, implemented by the base band processing unit: receiving the vector of L projected samples transmitted by the radio unit, demapping the L projected samples, second estimation of the transmission channel of the radio-frequency signals, after projection, equalising the L projected samples, taking account of the second channel estimation, processing the equalised symbols.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a customer premises equipment (CPE) may transmit a capability message that includes an indication of a mechanical displacement capability at the CPE. The CPE may receive an instruction to perform a radio optimization procedure that is based at least in part on the mechanical displacement capability, the radio optimization procedure comprising at least one of: a radio link monitoring (RLM) procedure, a radio resource management (RRM) procedure, or a beam management procedure. Numerous other aspects are described.

Devices, methods and computer readable medium for two-part feedback information transmission in wireless communications are provided. The two-part feedback information transmission is adopted, e.g., for improved downlink multiple-input and multiple-output (MIMO) precoding in time-division duplex (TDD)-based communication systems. The feedback information transmission allows compensating for adverse effects of incomplete UL-DL reciprocity for DL MIMO precoding caused by mismatched DL and UL channel measurements. The feedback information transmission being two-part allows low overhead for the feedback information.