H04B7/0857

Power adjustment to align transmit chain power ratios

Various aspects of the present disclosure generally relate to wireless communication. A wireless communication device may have an apparatus that aligns the non-linearity between transmit chains of the wireless communication device that are driven by the same digital port. The apparatus may adjust an amplification power out or an amplification saturated power to adjust a ratio between the amplification saturated power and the amplification power out for one or more transmit chains of the wireless communication device. The apparatus may adjust the ratios of transmit chains to align the ratios of the transmit chains for more consistent management of non-linear characteristics of the chain components. Numerous other aspects are described.

METHOD AND DEVICE FOR REMOVING SELF-INTERFERENCE SIGNAL IN ENVIRONMENT USING FDR MODE

A method for removing a self-interference signal by a device supporting an FDR mode can further comprise the steps of: transmitting a signal to a counterpart node in a predetermined time interval; generating, in an RF stage of the device, a residual self-interference signal after removal of an analog self-interference signal with respect to the signal and then storing same; and receiving from the counterpart node a NACK signal with respect to the transmission of the signal; retransmitting the signal to the counterpart node; and, if decoding of the signal which has been received in the predetermined time interval is successful, using only a part of the stored residual self-interference signal when removing a digital self-interference signal on the basis of the retransmission.

METHOD FOR SIGNAL PROCESSING OF COOPERATING MICROPHONE RECEIVERS
20230224075 · 2023-07-13 ·

Methods for the distributed reception of receivers without significantly increasing the performance requirements of the system. In particular, this object is achieved by a method which is able to strongly improve the quality of the individual samples and thus of the signal emitted by the network in a receiver network with low complexity, without requiring a central coordinator, by means of a continuous, receiver-internal, independent combination of the received data through separate antennas, or which is able to increase the spatial coverage per receiver while maintaining the same quality of wireless transmission rates per microphone, as well as realize every scenario lying in between these extremes.

Method for intelligently transmitting and receiving signal and device l'hereof
11695464 · 2023-07-04 · ·

An intelligent computing device detects a plurality of candidate beams irradiated from a base station, clusters at least one of the plurality of candidate beams into at least one candidate cluster using a clustering algorithm, selects an optimal beam based on a received signal strength of each candidate beam in the at least one candidate cluster; and receives a signal using the optimal beam, and thus can reduce a beam failure rate by learning user's movement pattern of a UE through machine learning and performing a beam tracking function based on this. At least one of the base station, the UE, the intelligent computing device, and a server can be associated with an artificial intelligence module, an unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, devices related to 5G services, etc.

SYSTEM AND METHOD FOR COMBINING MIMO AND MODE-DIVISION MULTIPLEXING
20230006719 · 2023-01-05 ·

A communications system comprises a maximum ratio combining (MRC) circuit for receiving a plurality of input data streams and for processing the plurality of input data streams using maximum ration combining to improve signal to noise ratio. A MIMO transmitter transmits the MRC processed carrier signal over a plurality of separate communications links from the MIMO transmitter, each of the plurality of separate communications links from one transmitting antenna of a plurality of transmitting antennas to each of a plurality of receiving antennas at a MIMO receiver.

BEAM SWITCHING

An apparatus, method and computer program is described comprising: receiving, at a user device, a downlink reference signal from a communication node of a mobile communication system, wherein the downlink reference signal is received by one of a plurality of beams of a receiver of the user device in accordance with a configured beam alignment; determining whether to initiate beam switching to reconfigure the beam alignment at said receiver based, at least in part, on a signal power of the received downlink reference signal; and determining, in the event that beam switching is to be initiated, whether to initiate communication node assisted beam switching or non-communication node assisted beam switching.

SYSTEMS AND METHODS FOR LOCALLY SUPPRESSING INTERFERENCE IN RADIO FREQUENCY COMMUNICATIONS BY SATELLITES
20220416876 · 2022-12-29 ·

The present disclosure provides methods and systems for locally suppressing interference in RF communications by satellites and related methods of using such systems. In some aspects, the interference suppression is performed by one or more small form factor satellites (e.g., CubeSats).

UE PANEL COMBINATION-SPECIFIC CORESET CONFIGURATION FOR CELL-FREE MASSIVE MIMO
20220393752 · 2022-12-08 ·

A method of operating a radio network element includes receiving user equipment (UE) capability information indicating panel combinations of a multi panel UE (MP-UE), each including at least one antenna panel from among a plurality of antenna panels of the MP-UE; receiving signal strength information corresponding to plurality of transmission reception points (TRPs); based on the signal strength information, determining a plurality of TRP sets corresponding to the plurality of panel combinations, respectively; and generating a plurality of control resource set (CORESET) configurations corresponding to the plurality of panel combinations, respectively, wherein, for each panel combination, the TRP set corresponding to the panel combination indicates at least one TRP from among the plurality of TRPs, and the CORESET configuration corresponding to the panel combination defines one or more CORESETs to be used by the at least one TRP to provide downlink (DL) transmissions to the MP-UE via the panel combination.

M-MIMO RECEIVER
20220393726 · 2022-12-08 ·

A method for detecting transmitted data in a multiple-input multiple-output (MIMO) receiver, the method comprising: iteratively calculating symbol estimates by: obtaining input symbol estimates and input symbol variances; calculating error values for the input symbol estimates; refining the input symbol estimates to obtain refined symbol estimates, based on the error values, wherein the refined symbol estimates are used as input symbol estimates for the subsequent iteration of the above calculation, and wherein the refined symbol estimates are used as final symbol estimates when the difference between refined symbol estimates from one iteration to the next is below a threshold change.

Beam information feedback method and apparatus, and configuration information feedback method and apparatus

Presented herein are systems and methods for beam information feedback. A first communication node may receive, from a second communication node, a group of reference signals that are carried either on respective beams or on a same beam. The group of reference signals may be determined based on one or more time-frequency-code resources. The first communication node may determine, based on the group of reference signals, one or more beam indexes and channel state information. The first communication node may transmit, to the second communication node, a set including the one or more beam indexes and the channel state information.