Patent classifications
H04B17/252
Method and apparatus for transmitting and receiving information related to collision of reserved resources in a wireless communication system
A method of a first user equipment (UE) to transmit information related to a conflict of a reserved resource in a wireless communication system comprises receiving, from a second UE, a first sidelink control information (SCI) related to a first reserved resource for a physical sidelink shared channel (PSSCH), receiving, from a third UE, a second SCI related to a second reserved resource for a PSSCH, determining a conflict between the first reserved resource and the second reserved resource, and transmitting, to the second UE or the third UE, information related to the conflict.
APPARATUS, ARTICLES OF MANUFACTURE, AND METHODS TO SELF-TEST WIRELESS NETWORKING DEVICES
Methods, apparatus, systems, and articles of manufacture are disclosed to perform a self-test of a wireless networking device. Examples disclosed herein include communication controller circuitry to cause the first WNIC to obtain a plurality of data packets from a second WNIC at a frequency. Examples herein further include signal strength determination circuitry to determine a received signal strength indicator (RSSI) value for an antenna of the first WNIC. Examples herein further include performance determination circuitry to increment a counter associated with the antenna when the RSSI value does not satisfy a first threshold and report an error associated with the antenna to a back office facility when the counter associated with the antenna does not satisfy a second threshold.
DIRECTION OF ARRIVAL ESTIMATION METHOD AND DEVICE BASED ON STEERING VECTOR MATRIX RECONSTRUCTION
A DoA estimation method and device based on steering vector matrix reconstruction, related to the field of array signal processing. The method includes: obtaining an array sampling covariance matrix according to an array received signal; setting a target variable, and limiting a feasible domain of the target variable by using two operators to determine a first constraint condition; characterizing an estimation error based on the target variable and the array sampling covariance matrix, and using the characterized estimation error as a second constraint condition; establishing an initial optimization model according to a preset norm based on partial sum of singular values and constraint conditions of the target variable; determining a multivariable optimization model according to the initial optimization model; and solving the multivariable optimization model to obtain an optimal result; analyzing the optimal result to obtain a DoA of the target incident signal.
Method and system for automatically measuring handover performance in a multi-cell environment
A method for automatically measuring a handover performance in a multi-cell environment includes: by a base station device, transmitting a radio frequency (RF) signal; rotating by one full rotation; receiving a first measurement dataset from a user equipment (UE); obtaining a first trigger value and a second trigger value based on the first measurement dataset, and calculating a third trigger value based on the second trigger value and a preset third event offset value; transmitting a plurality of RF signals; rotating by a preset angle with a preset angular velocity; receiving a second measurement dataset from the UE; transmitting a command to the UE to perform a handover process; and measuring a plurality of results associated with the handover process. The results include a handover time during which the handover process is implemented and completed, and a success rate of the handover process.
Direction of arrival estimation method and device based on steering vector matrix reconstruction
A DoA estimation method and device based on steering vector matrix reconstruction, related to the field of array signal processing. The method includes: obtaining an array sampling covariance matrix according to an array received signal; setting a target variable, and limiting a feasible domain of the target variable by using two operators to determine a first constraint condition; characterizing an estimation error based on the target variable and the array sampling covariance matrix, and using the characterized estimation error as a second constraint condition; establishing an initial optimization model according to a preset norm based on partial sum of singular values and constraint conditions of the target variable; determining a multivariable optimization model according to the initial optimization model; and solving the multivariable optimization model to obtain an optimal result; analyzing the optimal result to obtain a DoA of the target incident signal.
Enhanced beam switching
Systems, methods, apparatuses, and computer program products for enhanced beam switching. A method may include informing a network element about a user equipment type and capability in beam switching from a source beam to a target beam. The method may further include receiving a request from the network element to switch from the source beam to the target beam. The method may also include based on the user equipment type and capability, receiving a reference signal for timing adjustment with the target beam. In addition, the method may include switching from the source beam to the target beam. Further, the method may include adjusting the time or frequency tracking of the target beam after the switching based the reference signal.
Method and apparatus for reporting channel state information in wireless communication systems
A method of reporting channel state information by first user equipment (UE) includes receiving, from a base station, channel measurement resource (CMR) configuration information, receiving, from at least one second UE, uplink interference measurement resource (UL IMR) configuration information for measurement of cross link interference (CLI) between the at least one second UE and the first UE, measuring one or more signal to interference pulse noise ratio (SINR) based on at least one downlink reference signal (DL RS) received on CMR identified from the CMR configuration information and at least one uplink reference signal (UL RS) received on UL IMR identified from the UL IMR configuration information; and transmitting, to the base station, information about the measured one or more SINR.
Apparatus, system, and method of a transmit sector sweep (TXSS) procedure over a millimeterwave (mmWave) wireless communication channel
For example, an Access Point (AP) device may be configured to transmit a trigger frame from a sub 10 Gigahertz (GHz) (sub-10 GHz) AP of the AP device over a sub-10 GHz wireless communication channel, the trigger frame configured to trigger a Transmit Sector Sweep (TXSS) procedure over a millimeterWave (mmWave) wireless communication channel; based on the trigger frame, transmit a sequence of sector sweep packets of the TXSS procedure from a mmWave AP of the AP device over the mmWave wireless communication channel; and process a feedback frame from a non-AP device to identify feedback information based on the sequence of sector sweep packets, the feedback frame received at the sub-10 GHz AP over the sub-10 GHz wireless communication channel after the TXSS procedure.
METHOD AND DEVICE FOR PERFORMING JOINT SIDELINK POSITIONING
A method for performing wireless communication by a first device and a device supporting same are provided. The method may comprise the steps of: obtaining configuration information related to a positioning reference signal (PRS) for Uu link-based positioning; obtaining configuration information related to an SL PRS for sidelink (SL)-based positioning; and performing joint positioning on the basis of the PRS and the SL PRS, wherein whether to perform the joint positioning is determined on the basis of a first RSRP value related to a signal received from a base station or a transmission and reception point (TRP).
Beam prediction by user equipment using angle assistance information
Systems, methods, apparatuses, and computer program products for beam prediction by a user equipment using angle assistance information are provided. For example, a method can include receiving assistance information from a network and measuring a plurality of reference signal transmissions from the network. The method can also include predicting best beam or reference signal received power using a model at a user equipment. The assistance information and the measurements of the plurality of reference signal transmissions are input to the model. Reporting the best beam or reference signal received power as predicted to the network can also be performed.