Abstract: Embodiment of the present disclosure relates to methods and apparatuses for resource mapping in unlicensed spectrum. According to an embodiment of the present disclosure, a method can include: receiving data on a first set of subbands, wherein the data is a part of a transport block (TB), the first set of subbands is a subset of a second set of subbands, the second set of subbands is allocated for the TB, and each subband of the second set of subbands has been performed a channel access procedure; determining a type of resource mapping of the TB, wherein the resource mapping includes mapping modulated complex symbols of the TB to resource blocks of the second set of subbands; and decoding the data based on the determined type of resource mapping. Embodiments of the present disclosure propose a technical solution for resource mapping in unlicensed spectrum, which can improve the channel utilization efficiency of NR.

Abstract: An apparatus comprises a transmitter for transmitting a first message to a communication device, where the first message is a message within a random access procedure; a receiver for receiving a second message from the communication device in response to the first message; and a processor that increases a contention window value if the second message is not received in a time duration after the first message is transmitted; and that sets the contention window value to an initial value if the second message is received in the time duration after the first message is transmitted.

Abstract: Embodiments of the present application are related to a method and apparatus for code block group (CBG)-based transmission for 3GPP 5G New Radio (NR) sidelink (SL). A method for wireless communication performed by a UE according to an embodiment of the present application includes: in response to a CBG-based transmission being enabled, transmitting a CBG-based transmission on a SL, wherein the CBG-based transmission includes one or more CBGs; receiving hybrid automatic repeat request-acknowledge (HARQ-ACK) feedback corresponding to the one or more CBGs; and in response to the HARQ-ACK feedback, transmitting an indicator on a physical uplink control channel (PUCCH) resource to request a resource for a CBG-based retransmission.

Abstract: The present application relates to a method and apparatus for MPDCCH performance enhancement. One embodiment of the present disclosure provides an apparatus comprising: a receiver that receives a first reference signal, a second reference signal and a control signal; and a processer that decodes the control signal based on at least one of: the first reference signal and the second reference signal, wherein the second reference signal on an antenna port is associated with a precoder, and the antenna port of the second reference signal and the precoder for the antenna port of the second reference signal are adopted within a time duration and a frequency band.

Abstract: Embodiments of the present application relate to a method and apparatus for hybrid automatic repeat request-acknowledge (HARQ-ACK) feedback for carrier aggregation (CA). A method according an embodiment of the present application may include receiving at least one downlink transmission; generating a first HARQ-ACK sub-codebook for the at least one downlink transmission; determining whether to generate a second HARQ-ACK sub-codebook; and transmitting a HARQ-ACK codebook. The HARQ-ACK codebook includes the first HARQ-ACK sub-codebook in response to the second HARQ-ACK sub-codebook determined not to be generated, or includes the first HARQ-ACK sub-codebook and the second HARQ-ACK sub-codebook in response to the second HARQ-ACK sub-codebook determined to be generated. The present application avoids misunderstanding between a base unit and a remote unit when generating the HARQ-ACK feedback for CA.

Abstract: Embodiments of the present application relate to a method and an apparatus for random access procedure. According to an embodiment of the present application, a method can include: receiving, at a user equipment (UE), synchronization information; and determining an initial uplink (UL) bandwidth part (BWP) for the UE based on a random access channel (RACH) occasion associated with the synchronization information. Embodiments of the present application provide methods for determining an initial UL BWP for the UE. Accordingly, embodiments of the present application can facilitate the implementation of the random access procedure for the NR-Light UE.

Abstract: Apparatuses, methods, and systems are disclosed for communicating HARQ-ACK feedback for a plurality of carrier groups of a downlink slot set. One apparatus includes a transmitter that transmits, to a remote unit, multiple downlink transmissions in a downlink slot set. The downlink slot set comprises a first number of reference slots and a second number of carriers grouped into a plurality of carrier groups based on a subcarrier spacing value of each carrier, such that each carrier in a carrier group has the same subcarrier spacing value. The apparatus includes a receiver that receives a HARQ-ACK codebook from the remote unit for the downlink slot set, wherein the HARQ-ACK codebook for the downlink slot set corresponds to all downlink transmissions in the downlink slot set.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for multiple physical uplink shared channel (PUSCH) transmissions on unlicensed spectrum.

Abstract: Embodiments of the present application are related to a method and apparatus for physical random access channel (PRACH) repetitions. A method according to an embodiment of the present application includes: receiving signaling information for indicating a synchronization signal block (SSB) group size; mapping indices of a plurality of SSBs to a plurality of physical random access channel (PRACH) occasions for a number of PRACH repetitions, wherein the plurality of SSBs are divided into one or more SSB groups based on the indicated SSB group size; and determining a set of PRACH occasions corresponding to one of the indices of the plurality of SSBs from the plurality of PRACH occasions based on the mapping.

Abstract: The present disclosure provides a data transmission method applied to a first node. The method includes sending a first request for transferring a data transmission to a management node, the first request being generated based on to-be-transmitted data; receiving physical layer information sent by the management node in response to the first request, and obtaining an authority to perform the data transmission with a second node, the physical layer information being used to establish a connection with the second node; and transmitting the to-be-transmitted data to the second node based on the authority.

Abstract: Methods and apparatuses for transmitting synchronization signal in non-anchor carrier are disclosed. A method comprises transmitting a carrier configuration on an anchor carrier; and transmitting a synchronization signal in a non-anchor carrier based on the carrier configuration.

Abstract: Embodiments of the present application are related to a method and apparatus for pre-empting a resource of a user equipment (UE) supporting New Radio (NR). A method for sidelink communications performed by a UE according to an embodiment of the present application includes: receiving a sidelink control information (SCI) indicating one or more reserved resources, wherein the SCI explicitly or implicitly indicates a pre-emption indication (PI) resource on physical sidelink feedback channel (PSFCH); determining whether the one or more reserved resources can be pre-empted; upon determining that the one or more reserved resources can be pre-empted, transmitting a PI on the PI resource on the PSFCH to pre-empt the one or more reserved resources; and performing a sidelink transmission on the pre-empted one or more reserved resources.

Abstract: Methods, a remote unit and a base unit are disclosed. According to one embodiment, a method at a base unit, comprising: generating a wake up signal (WUS) set consisted of a number of WUSs to indicate that are mote unit shall attempt to receive a paging message in a paging occasion (PO) on a Physical Downlink Control Channel (PDCCH) in a cell, mapping each of the WUSs to a number of resource sets, transmitting, to the remote unit, the WUS set on a time-frequency resource, wherein the PO is a set of PDCCH monitoring occasions (MOs), wherein the number of the WUSs is determined by the number of Synchronization Signal Blocks (SSBs) actually transmitted by the base unit, and wherein the Kth WUS and the Kth transmitted SSB are quasi co-located, where K is an integer no more than the number of the WUSs.

Abstract: The present disclosure is related to a method and apparatus for wireless communication. A method performed by a user equipment, comprising: determining a first control resource set based on configuration information associated with a second control resource set; and determining a first search space based on configuration information associated with a second search space, wherein the first control resource set is associated with the first search space and the second control resource set is associated with the second search space.

Abstract: The subject disclosure relates to a method and apparatus for determining an enhanced dynamic HARQ-ACK codebook. One embodiment of the subject disclosure provides a method including: receiving first Downlink Control Information (DCI) scheduling a first Physical Downlink Shared Channel (PDSCH); determining an index of a first PDSCH group and whether new Hybrid Automatic Repeat reQuest Acknowledgement (HARQ-ACK) feedback is requested for the first PDSCH group, wherein the first PDSCH group includes at least the first PDSCH; and transmitting a first HARQ-ACK codebook for the first PDSCH group, wherein the first HARQ-ACK codebook comprises HARQ-ACK feedback for each PDSCH of the first PDSCH group.

Abstract: Method and apparatus for reduction of latency between the time when packets arrive at Layer 1 and the time when resource is selected for transmission are disclosed. One method of the apparatus for latency reduction includes excluding resource from a resource set for packets transmission on SL based on at least one of parameters which are determined according to a latency requirement for the packets, wherein, the parameters comprise a required percentage of the candidate resource in the resource set, maximum power threshold of interference signal, and maximum number of times for increasing power threshold of interference signal.

Abstract: Apparatuses, methods, and systems are disclosed for ceasing transmission repetition. One apparatus includes a transmitter that transmits data to a base unit in a first transmission time interval (“TTI”). Here, the data is configured for transmission with a predetermined number of repetitions. The apparatus includes a receiver that receives a control signal from the base unit in a second TTI. The apparatus includes a processor that determines whether the control signal corresponds to the data and, in response to the control signal corresponding to the data, determines whether to cease at least one transmission repetition of the data before the number of repetitions reaches the predetermined number.

Abstract: The subject disclosure relates to a method and apparatus for reducing a one-shot HARQ-ACK codebook size. One embodiment of the subject disclosure provides a method performed by a User Equipment (UE), including receiving, from a base station (BS), a first signaling configuring a first plurality of carriers, wherein HARQ-ACK feedback for the first plurality of carriers is transmitted in same PUCCH; receiving, from the BS, Downlink Control Information (DCI) requesting HARQ-ACK feedback for one or more carriers of the first plurality of carriers; and transmitting, to the BS, a HARQ-ACK codebook in the PUCCH, wherein the HARQ-ACK codebook comprises the HARQ-ACK feedback for the one or more carriers of the first plurality of carriers.

Abstract: A service request processing method. The service request processing method includes obtaining service response state information mapped by a first service node on a physical layer; detecting whether the service response state information satisfied an access condition; prohibiting outputting a physical layer access request for the first service node if the access condition is not satisfied; and outputting the physical layer access request for the first service node to request to establish a physical transmission link with the first service node to receive requested service information fed back by the first service node through the physical transmission link if the access condition is satisfied.

Abstract: Apparatuses, methods, and systems are disclosed for efficient cross-carrier scheduling of multiple slots. One apparatus includes a transceiver and a processor coupled with the transceiver, the processor configured to cause the apparatus to transmit a first control signal to a remote unit, the first control signal indicating a maximum number of HARQ processes, and to transmit a second control signal to the remote unit, where the second control signal is transmitted on a first carrier and where the second control signal schedules a first number of slots on a second carrier. The processor aggregates every two or more of the scheduled first number of slots to a single HARQ process in response to the first number being larger than the maximum number of HARQ processes.