The same or similar physical signals can be used for both user equipment (UE) and an integrate access backhaul (IAB) node. Different configurations of the resources and/or transmission periods of the signals can be used for initial access for access UEs and IAB nodes. In addition, to support topology formation, mobility/multi-connectivity procedures, and backhaul link management, periodic measurements and reports can be configured by a parent IAB node to a child IAB node UE function. This can comprise radio resource management (RRM), radio link monitoring (RLM), and beam management (L1-BM) measurements and reports.

Methods, apparatuses, and computer programs are provided for propagation delay compensation. A method for a UE includes receiving a configuration to provide a propagation delay notification for a propagation delay estimation; determining when the notification should be transmitted; transmitting the propagation delay notification; and determining a corresponding action based on the configuration of a relation between uplink reference signals and downlink reference signals. Methods are also provided for a radio node such as a base station.

Certain aspects of the present disclosure provide techniques for adapting search, measurement, and loop tracking periodicities in new radio communications. A method that may be performed by a user equipment (UE) includes determining, based on one or more parameters, a first periodicity to perform a search to detect one or more component carriers (CCs), cells, beams, or a combination thereof; a second periodicity to perform measurement of one or more cells, beams, or both in one more detected CCs; and a third periodicity to perform loop tracking to monitor a downlink serving quality, an uplink serving beam quality, or both of a cell. The method may further includes performing the search at the determined first periodicity, measurement at the determined second periodicity, and loop tracking at the determined third periodicity.

The present disclosure relates to systems and methods for operating transceiver circuitry to transmit or receive signals on various frequency ranges. To do so, an electronic device may determine a receive delay between one or more messages received on different component carriers and may transmit the receive delay to a base station to update how communications are transmitted on one of the component carriers. The update made to at least one of the component carriers may compensate for the receive delay between the different component carriers. Compensating for the receive delay may improve operations that delay downlink communications to reduce a likelihood or stop simultaneous downlink and uplink communications by further adjusting for delays seen at an electronic device when communicating with base stations disposed at a different distances from the electronic device.

In one embodiment, a method comprises: receiving, by a constrained wireless network device comprising a local clock, a plurality of messages from respective neighboring wireless network devices advertising as available parent devices in a directed acyclic graph of a time-synchronized network that is synchronized to a master clock device; determining, by the constrained wireless network device, a corresponding timing error of the local clock relative to each message output by the corresponding available parent device; and executing, by the constrained wireless network device, a distributed time synchronization of the local clock with the master clock device based on correlating the respective timing errors relative to the local clock.

A system and method for stabilizing a reference clock of a client transceiver to a reference terminal in the presence of relative motion between the client transceiver and the reference terminal. In some embodiments, the method includes: transmitting, by the client transceiver, a probe packet to the reference terminal, receiving, by the client transceiver, the probe packet from the reference terminal, receiving, by the client transceiver, a first synchronization packet from the reference terminal, and adjusting the rate of the reference clock based on the time elapsed between: the transmitting, by the client transceiver of the probe packet to the reference terminal, and the receiving, by the client transceiver, the probe packet from the reference terminal; and based on the time of reception, by the client transceiver, of the probe packet.

A future radio communication system (NR) appropriately detects a synchronization signal transmitted in a flexible time and frequency resource. A user terminal includes: a reception section that receives a synchronization signal and/or a common control information channel transmitted in a flexible resource; and a control section that recognizes a resource position at which the synchronization signal is transmitted, based on the synchronization signal or the common control information channel.

A wireless device may receive, from a base station, first configuration parameters and second configuration parameters. The first configuration parameters may indicate first physical layer uplink control channel (PUCCH) resources for reporting uplink feedback to the base station, and the second configuration parameters may indicate second PUCCH resources for reporting sidelink feedback to the base station. The wireless device may transmit, via a first PUCCH resource of the first PUCCH resources, an uplink feedback report of a downlink transport block. The wireless device may transmit, via a second PUCCH resource of the second PUCCH resources, a sidelink feedback report of a sidelink transport block.

Systems and methods for time coordinating a plurality of RF data collection devices at disparate locations are provided. Such systems and methods can include synchronizing a local time of a first RF data collection device to an initial value of a common time source, generating a timestamp log file documenting a propensity of the local time to deviate from the common time source, collecting and recording a first plurality of RF data from an RF network, and using the timestamp log file to normalize the first plurality of RF data for comparison with a second plurality RF data recorded by a second RF data collection device.

A WTRU may receive downlink control information (DCI) indicating a start of a frame. The DCI may be received on a control channel, such as the Physical Downlink Control Channel (PDCCH) from an eNB, base station, AP, or other infrastructure equipment operating in a wireless communications system. The WTRU may decode the DCI and may determine a transmit time interval (TTI) duration, which may be expressed in terms of an integer number of basic time intervals (BTIs). The WTRU may determine a downlink (DL) transmission portion and assignment and an uplink (UL) transmission portion and UL grant based on the received DCI. Additionally, the WTRU may determine the start of the UL portion based on an offset (t.sub.offset). The WTRU may receive data in a DL portion of the frame and may transmit in an UL portion of the frame based on the determined UL grant and TTI duration.