A method of inter-cell coordination for intelligent reflecting surface (IRS) assisted wireless network is provided. The method includes: receiving mode information corresponding to a first intelligent reflecting surface and a second intelligent reflecting surface; performing a channel measurement according to the mode information to generate a measurement report; transmitting the measurement report to a serving base station; and performing data transmission via the first intelligent reflecting surface and the second intelligent reflecting surface configured according to the measurement report.

Methods, systems, and devices for wireless communications are described. The described techniques provide for a user equipment (UE) using information identified via radio access technology (RAT) (e.g., Long Term Evolution (LTE)) to support communications in another RAT (e.g., New Radio (NR)). For example, the UE may receive, from a first base station operating according to a first radio access technology an indication of a high speed associated with a first wireless connection of the UE with the first base station. The UE may perform a channel estimation procedure for the first wireless connection to generate a Doppler value based on receiving the indication. The UE may apply the generated Doppler value to a frequency tracking loop or a time tracking loop for communications with a second base station via a second wireless connection, wherein the second base station is operating according to a second RAT.

Apparatus and method for communication in non-terrestrial networks are provided. Downlink transmissions are received (400) from one or more non-terrestrial nodes. Signal strengths and/or signal quality of the transmissions are measured (402) from the one or more non-terrestrial nodes. Transitions between line-of-sight and non-line-of-sight states regarding the one or more non-terrestrial nodes are determined (404). Locations of the one or more non-terrestrial nodes and the apparatus are determined (406) and elevation and azimuth angles to the one or more non-terrestrial nodes from the apparatus are calculated (408). A database of the line-of-sight and non-line-of-sight states is generated (410) as a function of elevation and azimuth angles and apparatus location and utilised (412) to determine expected line-of-sight and non-line-of-sight states for non-terrestrial nodes.

This application provides communication methods and communication apparatuses. One example communication method includes: An receiving, by an access stratum of a terminal device, receives a quality of experience QoE measurement result and first indication information from an upper layer of the access stratum. The access stratum of the terminal device determines, based on the first indication information, to send the QoE measurement result to a master node or a secondary node of the terminal device. Therefore, in this application, the upper layer of the access stratum of the terminal device sends, to the access stratum, the QoE measurement result and the first indication information corresponding to the Qof measurement result, so that the terminal device in the MR DC architecture can send the QoE measurement result to the correct access network device.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a message indicating a set of measurement report occasions for transmission of measurement reports associated with a first periodicity between measurement report occasions, the measurement reports associated with a first indicator size for reporting indicators of beams. The UE may measure reference signals associated with the measurement reports to determine potential beams for communications with the network entity. The UE may transmit a measurement report including one or more indicators, each indicator indicating one of the potential beams, and each indicator may have a second indicator size smaller than the first indicator size based on the quantity of the potential beams. Further, the UE may transmit measurement reports with a second periodicity different from the first periodicity based on a reporting metric being within a first value range of a set of value ranges.

There is provided an apparatus comprising means for: receiving (700, 714), from a user equipment, measurement data relating to one or more cells of a network; determining (716), based on the measurement data, a prediction comprising at least one sequence of one or more beams that are predicted to have a highest signal quality for the user equipment at a respective one or more time instances; and sending (718), to the user equipment, the prediction.

Aspects of the disclosure are directed to a user equipment (UE) configured for detecting phase coherence failure in coherent joint transmissions (CJTs) from multiple wireless nodes (e.g., transmission/reception points (TRPs) and/or base stations). In some examples, the UE is configured to obtain signaling from a plurality of wireless nodes, the signaling including a first signal from a first wireless node of the plurality of wireless nodes and a second signal from a second wireless node of the plurality of wireless nodes. The UE is also configured to estimate a phase difference between the first signal and the second signal. In some examples, the UE is configured to output, for transmission to at least one of the first wireless node or the second wireless node, an indication of the estimated phase difference.

Systems, methods, and instrumentalities are described herein for idle mode mobility in an ultra-low power (ULP) system. Idle mode mobility in a ULP system may support energy efficient downlink signaling. An association may be identified between a Uu cell and a ULP cell. Switching between Uu cells may limit power savings gains from ULP receivers. Enabling switching between ULP cells without switching between Uu cells may help maintain the power savings gains from ULP receivers. A wireless transmit/receive unit may be configured to perform ULP cell reselection, for example, without triggering Uu cell reselection (e.g., to maintain power savings gains).

A method includes: accessing time-difference-of-arrival data associated with a signal transmitted by a transmitter and received by a pair of nodes in an environment; generating parameters of a mixture model based on the time-difference-of-arrival data and a neural network; generating a probability density function, in a set of probability density functions, representing a distribution of distances between the transmitter and the pair of nodes based on the parameters and the time-difference-of-arrival data; based on the set of probability density functions, generating a spatial probability density function representing likelihoods of positions of the transmitter within the environment; calculating a set of likelihoods of the transmitter positioned at a set grid of points representing the environment based on the spatial probability density function; and identifying a target grid point exhibiting highest likelihood in the set of likelihoods as an estimated position of the transmitter.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a message indicating a set of measurement report occasions for transmission of measurement reports associated with a first periodicity between measurement report occasions, the measurement reports associated with a first indicator size for reporting indicators of beams. The UE may measure reference signals associated with the measurement reports to determine potential beams for communications with the network entity. The UE may transmit a measurement report including one or more indicators, each indicator indicating one of the potential beams, and each indicator may have a second indicator size smaller than the first indicator size based on the quantity of the potential beams. Further, the UE may transmit measurement reports with a second periodicity different from the first periodicity based on a reporting metric being within a first value range of a set of value ranges.