A wireless device receives radio resource control message(s) indicating: first uplink resources, of an uplink data channel, for a periodic resource allocation; a first offset parameter for uplink control information (UCI) transmission via the periodic resource allocation; and a plurality of second offset parameters for UCI transmission via a dynamic grant. A first UCI is transmitted via a number of the first uplink resources. The number of the first uplink resources is determined based on the first offset parameter. A downlink control information is received. The downlink control information comprises: an uplink grant indicating second uplink resources of the uplink data channel; and an offset indicator value indicating one of the plurality of second offset parameters. A second UCI is transmitted via a number of the second uplink resources. The number of the second uplink resources is determined based on the offset indicator value.

Provided are systems and methods for reliable, out-of-order receipt of packets. In some implementations, provided is an apparatus configured to communicate with a network and a host device. The apparatus may receive packets over the network at a receive queue. The packets may originate from a source on the network, and may be received out of order. The apparatus may further, for each received packet, identify a transport context associated with the source and a destination of the packet, and determine whether the packet can be accepted. Upon determining that the packet can be accepted, the apparatus may further identify the one receive queue at which the packet was received; determine a user application to receive the packet, transfer the packet from the one receive queue to a buffer in host memory, and identify an order in which the packet was received with respect to other packets.

A voice data transmission method performed by at least one processor, includes placing multiple voice data frames in a target sending queue, sequentially sending the multiple voice data frames to a data receiving party, and identifying one or more important voice frames among the multiple voice data frames placed in the target sending queue. The method further includes placing the one or more important voice frames that are identified, in a retransmission processing queue, and for the multiple voice data frames that are sent, performing retransmission processing on only the one or more important voice frames placed in the retransmission processing queue.

A method and apparatus for dynamic configuration of a maximum number of sidelink retransmissions for a data unit in a wireless communication system is provided. A first wireless device in sidelink receives, from a network, information related to a first retransmission number for a first logical channel and a second retransmission number for a second logical channel. The first wireless device determines a retransmission number of a data unit among the first retransmission number and the second retransmission number, and performs sidelink transmission of the data unit to a second wireless device based on the retransmission number of the data unit.

This application relates to a communication method and device. A terminal device sends first data to an access network device on a first resource, and starts a first timer, where the first resource is a preconfigured resource, the first data is small data, and the terminal device is in an RRC non-connected state. If first information is received before the first timer expires, the first timer is stopped, where the first information is information indicating that the first data is successfully transmitted, and the first information is MAC layer information, or the first information is information for scheduling a resource. If the first information is, for example, the MAC layer information, feedback information at a physical layer does not need to be introduced.

A method is performed by a wireless device for transmitting PDCP packets over a multi-hop path to a receiver, in accordance with particular embodiments. The method begins with receiving PDCP signalling indicating that at least one transmitted PDCP packet has not been received. For example, the PDCP signalling may comprise a PDCP status PDU, or may comprise PDCP data recovery or PDCP re-establishment RRC signalling. In response to receiving the PDCP signalling indicating that at least one transmitted PDCP packet has not been received, the wireless device retransmits the at least one transmitted PDCP packet that has not been received, even if said transmitted PDCP packet has been acknowledged by a lower protocol layer. A method is also performed by a network node in accordance with particular embodiments.

A method a User Equipment (UE) can comprise receiving a configuration of a first Discontinuous Reception (DRX) timer with a value in number of symbols, receiving a configuration of a second DRX timer with a value in number of slot lengths, transmitting, via a Sidelink (SL) Hybrid Automatic Repeat Request (HARQ) process, a first SL transmission associated with SL configured grant Type 1, starting the first DRX timer for the SL HARQ process in response to the first SL transmission, wherein the UE determines a first symbol length associated with the first DRX timer based on a symbol length of an active Downlink (DL) Bandwidth Part (BWP) of a Primary Cell (PCell), starting the second DRX timer for the SL HARQ process in response to expiration of the first DRX timer which was started in response to the first SL transmission, wherein the UE determines a first slot length associated with the second DRX timer based on a slot length of the active DL BWP of the PCell, and monitoring Physical Downlink Control Channel (PDCCH) when the second DRX timer is running.

A wireless communication device includes a transmitter and a receiver. The transmitter transmits a first frame containing notification information to specify first and second wireless terminals and a second frame for channel estimation. The receiver receives a third frame transmitter from the first wireless terminal and a fourth frame transmitted from the second wireless terminal. The third frame and the fourth frame are transmitted in a multiplexing scheme by the first and the second wireless terminals. The third frame contains first channel information estimated based on the second frame. The fourth frame contains second channel information estimated based on the second frame. The first frame contains at least either information to specify a preamble of the third frame and a preamble of the fourth frame or information to specify a subcarrier used for transmission of the third frame and a subcarrier used for transmission of the fourth frame.

A method in a UE comprises monitoring a downlink control channel during a duration of at least a first timer, and receiving an indication of a downlink or uplink transmission for the UE. The method comprises after receiving the indication of the downlink or uplink transmission for the UE, stopping monitoring the first timer, wherein after the first timer is stopped the UE does not need to monitor the downlink control channel. The method comprises performing an uplink transmission associated with the indicated downlink or uplink transmission for the UE. The method comprises starting a second timer after receiving the indication for the downlink or uplink transmission for the UE, the duration of the second timer comprising an offset period, and, when the second timer expires, starting a third timer. The UE monitors the downlink control channel for the duration of the third timer.

Aspects described herein relate to wireless communications. Protocol data units (PDUs) can be received at a network layer from one or more transmitting nodes using a link associated with each respective transmitting node. One or more missing PDUs can be detected based, at least in part, on sequence numbers of the received PDUs. A timer can be started based on the detection of the one or more missing PDUs. In response to expiration of the timer, and without receiving the one or more missing PDUs before the expiration of the timer, a lower network layer can be notified that the one or more missing PDUs are received to prevent attempted transmitting/retransmitting or other processing of the one or more missing PDUs.