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: Methods and apparatuses of power control for additional SRS are disclosed. A method at abase unit comprises transmitting power control parameters for transmitting additional SRS by higher layers; and transmitting TPC command by DCI format 3B for additional SRS.

Abstract: Apparatuses, methods, and systems are disclosed for data acknowledgment. One apparatus includes a processor that determines a duration for a downlink (“DL”) burst. The apparatus includes a transmitter that transmits the DL burst having the duration, and signaling indicating a hybrid automatic repeat request acknowledgement (“HARQ-ACK”) codebook size for transmission of HARQ-ACK feedback corresponding to the DL burst.

Abstract: The present application is related to a method and apparatus for semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook determination for FBE operation under 3GPP 5G new radio (NR). A method for wireless communications performed by a UE includes: receiving downlink control information (DCI) for scheduling a data transmission in a current periodic channel occupancy; determining whether there is HARQ-ACK feedback corresponding to a data transmission postponed in an earlier periodic channel occupancy; and transmitting a HARQ-ACK codebook in the current periodic channel occupancy, wherein, in response to determining that there is the HARQ-ACK feedback corresponding to the data transmission postponed in the earlier periodic channel occupancy, the HARQ-ACK codebook comprises HARQ-ACK feedback corresponding to the data transmission in the current periodic channel occupancy and the postponed HARQ-ACK feedback corresponding to the data transmission in the earlier periodic channel occupancy.

Abstract: Apparatuses, methods, and systems are disclosed for determining a beam for preamble transmission. One apparatus includes a processor that determines a beam from multiple beams for preamble transmission. In response to the multiple beams including one or more beams configured with a contention-free resource, the one or more beams configured with a contention-free resource have a higher priority than other beams of the multiple beams.

Abstract: Embodiments of the present application are directed to a method and apparatus for beam-based transmission for sidelink. The method may include: detecting spatial information contained in first sensed scheduling information; selecting a resource and a direction of a beam for data transmission based on the detected spatial information; transmitting second scheduling information including the selected resource and spatial information of the beam for the data transmission, where the spatial information of the beam includes the direction of the beam for the data transmission; and transmitting the data transmission by using the selected resource and the direction of the beam.

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 indicating at least one of a total number of a set of preambles in a period, a total number of a set of physical uplink shared channel (PUSCH) resource units (PRUs) in the period, a preamble repetition number in the period and a PRU repetition number in the period; and determining a mapping ratio of preambles to PRUs in the period based on the received signaling information.

Abstract: The present disclosure relates to a method and apparatus for scheduling PUSCH or PDSCH. One embodiment of the subject disclosure provides a method for scheduling Physical Uplink Shared Channel (PUSCH), comprising: receiving a signal scheduling a first number of PUSCHs on a second number of frequency resources, wherein the first number of PUSCHs are scheduled with same time domain resource; and transmitting one or more PUSCHs of the first number of PUSCHs on the second number of frequency resources.

Abstract: The present application relates to a method and apparatus for downlink data reception. one embodiment of the subject application provides a method, comprising: determining one or more control resource sets from a plurality of control resource sets in response to first Downlink Control Information (DCI) being received in at least one of the one or more control resource sets; and detecting second DCI only in the determined one or more control resource sets within a time duration.

Abstract: Methods and apparatuses for retransmitting uplink control information. An apparatus comprising: a receiver that receives uplink control information (UCI) from a remote unit, wherein the UCI includes hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback corresponding to a plurality of downlink transmissions; a processor that decodes the UCI; and a transmitter that, in response to the UCI not being correctly decoded, transmits a first signaling to the remote unit, wherein the first signaling includes an indicator indicating that the UCI is not correctly decoded.

Abstract: Apparatuses and methods are disclosed for sidelink (SL) communication. One method of apparatus includes determining a first resources pool for SL communication which includes SL transmission resources and SL reception resources, and transmitting resources information to a relay UE. Wherein, the first resources pool is a SL subframes pool or a SL SPS configurations pool, and the resources information is the first resource pool or a resource pair selected by the apparatus for SL communications.

Abstract: Embodiments of the present application are related to a method and apparatus for resource reservation for 3GPP 5G New Radio (NR) sidelink (SL). A method for wireless communication performed by a user equipment (UE) according to an embodiment of the present application includes: transmitting a code block group (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 determining, based on contents of the HARQ-ACK feedback, whether there is resource(s) to be released during a CBG-based retransmission.

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.