Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE and using a first fast Fourier transform (FFT) window configuration, a physical sidelink control channel (PSCCH) signal associated with a physical sidelink shared channel (PSSCH) signal. The UE may identify, based at least in part on the reception of the PSCCH signal, one or more values of one or more parameters estimated from the PSCCH signal. The UE may select, based at least in part on the one or more values of the one or more parameters, a second FFT window configuration to be used to receive the PSSCH signal. The UE may receive, from the second UE, the PSSCH signal using the second FFT window configuration, Numerous other aspects are described.

Abstract: A radio communication system according to an embodiment includes a plurality of radio devices constituting a multi-hop network. The radio devices each include a hardware processor and perform management by synchronizing a timing of an uplink period including X frames and a timing of a downlink period including Y frames. X and Y are different values. The radio devices each allocate the hop count of each radio device of the plurality of radio devices to at least one frame in the uplink period and at least one frame in the downlink period. The radio devices each transmit uplink data in the frame to which the hop count of the own radio device is allocated in the uplink period. The radio devices each transmit downlink data in the frame to which the hop count of the own radio device included in the downlink period is allocated.

Abstract: A method and apparatus for performing random access in a user equipment for a small cell e-NB with a small cell service area in heterogeneous e-NB cell carrier integration (dual connectivity or inter-eNB carrier aggregation) in mobile communication systems. In accordance with the present examples, a method for performing random access in a mobile communication system is provided. The method includes receiving a configuration request message for configuring a Serving Cell Group (SCG) from a second eNB located in a service area of a first eNB through the first eNB; configuring an SCG cell based on the configuration request message, and sending a configuration response message in response to the configuration request message to the second eNB through the first eNB; and performing random access if there is uplink data present on a logic channel (LCH) relocated into the SCG cell.

Abstract: An example operation may include a method, comprising one or more of: receiving a stop request from a VNFM, retrieving a last peer operational state from a heartbeat history datastore, staying in active state when the last peer operational state is not standby, sending a remaining check points message to a peer VNFCI when the last peer operational state is standby, sending a first heartbeat message to the peer VNFCI with an operational state of active and a desired operational state of shutdown, receiving, at the peer VNFCI, the first heartbeat message; sending a second heartbeat message to the VNFCI, determining an operational state of the VNFCI when the second heartbeat message is received from the peer VNFCI, staying in active state when the operational state in the second heartbeat message is activating, transitioning the VNFCI to a deactivating state, stopping accepting service traffic at the VNFCI, and transitioning to shutdown state at the VNFCI.

Abstract: A wireless device may receive, during a slot, sidelink data over multiple antenna ports and sidelink control information. The sidelink data is scheduled by the sidelink control information received during the slot. A rank number used for the sidelink data is a same rank number used for transmission of the sidelink control information.

Abstract: Provided are methods and apparatuses for performing a random access of a terminal in a wireless communication system. A method, performed by a terminal, of performing a random access, according to an embodiment, includes receiving preamble configuration information from a base station, obtaining a RACH (random access channel) preamble scaled in length in proportion to a difference between an expected minimum distance and an expected maximum distance to the base station from opposed edges of a cell served by the base station, based on the preamble configuration information and transmitting the obtained RACH preamble to the base station to access a NTN (non-terrestrial network).

Abstract: A method for implementing network connection, applied to a base station, includes: receiving a connection resume request message sent by user equipment (UE); detecting, according to the connection resume request message, that at least one rejection cause of rejecting connection resumption is met; and sending a connection resume reject message to the UE, wherein the connection resume reject message carries a cause value indicating the at least one rejection cause.

Abstract: A communication apparatus in a radio communication system, including: a reception unit configured to receive control information including puncture information which indicates that there is a puncture resource in resources allocated to the communication apparatus from another communication apparatus; and a decoding unit configured to decode data received from the other communication apparatus in the allocated resources, wherein the decoding unit performs the decoding using the puncture information included in the control information received by the reception unit.

Abstract: This application provides a communication method, including: receiving, by a terminal device, configuration information, where the configuration information is used to configure M component carriers, and M is a positive integer; determining, by the terminal device, N types of DCI sizes based on the configuration information; and if N is greater than a first threshold, determining, by the terminal device, Q types of DCI sizes, and detecting a downlink control channel in a first time unit based on the Q types of DCI sizes, where Q is less than or equal to the first threshold. According to the communication method provided in this application, a capability of detecting a DCI size by a terminal device can be fully used.

Abstract: Disclosed are a method and device for transmitting a positioning reference signal. In the method, a base station maps, according to configuration information of a PRS, a PRS sequence to a time-frequency resource for sending a PRS; and the base station sends the configuration information of the PRS to a terminal, and sends the mapped PRS on the time-frequency resource for sending a PRS.

Abstract: Methods, systems, and devices for wireless communication are described. Methods, systems, and devices provide for different tone spacing schemes for different channels. Methods, systems, and devices also provide for different tone spacing schemes for different stages of communication between a UE and a base station. The base station may indicate, to the UE, the tone spacing scheme in a control channel, a synchronization signal, or a reference signal and the tone spacing scheme may be selected by the base station from available tone spacing schemes for communication. Tone spacing schemes may also be referred to as numerologies.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a slot, a preamble provided based at least in part on an orthogonal frequency division multiplexing (OFDM) waveform. The UE may perform an estimation operation based at least in part on the preamble. The UE may receive, in the slot, a data transmission via a single carrier time-domain waveform based at least in part on the estimation operation. Numerous other aspects are provided.

Abstract: A system that improves wireless communication between a wireless base station and a plurality of remote wireless computing user devices (UEs) based on aiming downlink wireless signals from a base station in a beam shaped waveform in a determined direction for each remote UE that is identified as allocated a time period for communication with the base station according to a schedule. The system includes different types of components may be employed to implement various functions, including an angle of arrival (AoA) detector component, a downlink protocol decoder component, and an antenna controller component. The AoA detector component may be employed to monitor one or more radio frequency (RF) wireless signals radiated by UEs that are communicating with the base station in accordance with an allocation schedule.

Abstract: Frequency division multiplex (FDM) random access configuration and selection is disclosed for new radio (NR) unlicensed (NR-U) operations. For idle mode user equipment (UEs), the network may configured multiple frequency bands for random access. The UE may then select different frequencies for random access when default frequencies experience interference. For connected mode UEs, the network may configured which of multiple configured frequency bands the connected UE may use for autonomous random access transmissions. The UE may then select any of the allowed frequency bands for autonomous random access. Contention-free random access resources may be configured on one or more of the multiple configured frequency bands. When contention-free resources are available, the UEs may initially attempt access of the contention-free resources on the default frequency band before attempting random access on other configured bands or the UE is provided a priority of bands for access by the network.

Abstract: A random access method includes: determining whether a currently selected beam for transmitting a preamble is identical to one of at least one recorded beam, clearing all previously recorded beams, recording the currently selected beam, and transmitting the preamble at a boosted pilot transmission power when it is determined that a value of a pilot power boost counter does not reach a maximum value.

Abstract: A method, device, and non-transitory computer-readable medium provide for scanning, by a device, a radio service area of a small cell radio access node to detect radio signals of one or more radio frequency (RF) bands, the radio signals including transmissions associated with one or more other small cell radio access nodes that are operating in a vicinity of the small cell radio access node, and the small radio access node being configured to alternately operate at multiple RF bands including the one or more RF bands; determining, by the device, a signal strength associated with each of the one or more RF bands; and dynamically optimizing, by device, operation of the small cell radio access node based on the signal strength associated with each of the one or more RF bands.

Abstract: Methods performed by a wireless device operating in a dormant mode comprise performing a measurement on each of a plurality of resources from a predetermined set of resources or demodulating and decoding information from each of a plurality of resources from a predetermined set of resources, such as a set of beams. The methods further include evaluating the measurement or the demodulated and decoded information for each of the plurality of resources against a predetermined criterion, and then discontinuing the performing and evaluating of measurements, or discontinuing the demodulating and decoding and evaluation of information, in response to determining that the predetermined criterion is met, such that one or more resources in the predetermined set of resources are neither measured nor demodulated and decoded. The methods further comprise deactivating receiver circuitry, further in response to determining that the predetermined criterion is met.

Abstract: There is provided mechanisms for beamformed transmission towards groups of terminal devices. Each terminal device is, according to a bandwidth part (BWP) configuration, configured with a BWP set. One BWP in the BWP set is an active BWP for the terminal device. The method is performed by a network node. The method comprises configuring a new terminal device entering one of the groups with an active BWP based on frequency overlap avoidance with the active BWPs of the terminal devices already part of the group entered. The method comprises serving all terminal devices by performing beamformed transmission towards the terminal devices in accordance with the active BWPs.

Abstract: Certain aspects of the present disclosure provide techniques for managing resource reservations in sidelink communications. A method that may be performed by a first user equipment (UE) includes determining a plurality of resource reservations allocated for sidelink communications with at least one second UE and transmitting, to the at least one second UE, control information having an indication of the resource reservations. The method also includes communicating with the at least one second UE during at least one of the resource reservations and determining that a remaining set of the resource reservations is enabled to be reclaimed by one or more UEs. The method further includes taking one or more actions based on the determination that the remaining set of the resource reservations is enabled to be reclaimed by the one or more UEs.

Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit a first field containing information to identify a plurality of wireless communication terminals, and configured to multiplex and transmit a plurality of second fields in each of which a first frame containing an address of any of the wireless communication terminals is set; and a controller configured to determine, for the first frames, values pertaining to lengths of durations to suppress access to a wireless medium to the wireless communication terminal having an address different from the address contained in each of the first frames. The transmitter is configured to set the values in the first frames, the second fields, or the first field. The controller is configured to determine the values so that the durations have an end at an identical time.