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 downlink control information (DCI) including a first signaling to the remote unit, wherein the first signaling includes an indicator indicating that the UCI is not correctly decoded and an identification corresponding to the UCI.

Abstract: Methods, a remote unit and abase unit are disclosed. According to one embodiment, a remote unit comprising a transceiver; a memory; and a processor coupled to the transceiver and the memory and configured to: control the transceiver to transmit, to a base unit, an indicator in an uplink control information (UCI), wherein the UCI is associated to a configured grant uplink data channel, and the indicator requests code block group (CBG)-level hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback for the configured grant uplink data channel, and control the transceiver to receive, from the base unit, first downlink control information (DCI) which includes a HARQ-ACK codebook, wherein the first DCI has the same size as one uplink grant scheduling uplink data transmission, and wherein the HARQ-ACK codebook includes CBG-level HARQ-ACK feedback information bits for the configured grant uplink data channel.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting and/or receiving feedback for sidelink transmissions. One method (1000) includes receiving (1002) information from a network device indicating multiple resources Begin for sidelink transmission and resources for feedback. The method (1000) includes transmitting (1004) sidelink data using the multiple resources for sidelink transmission.

Abstract: Apparatuses, methods, and systems are disclosed for grant-free resource allocation. One apparatus (200) includes a transmitter (210) that transmits (602) assistant information to a base unit (104) to assist in grant-free resource allocation. In such an apparatus, the assistant information may include an expected type of resource, a bit rate requirement, reliability information, or some combination thereof.

Abstract: The present disclosure is related to a method and apparatus for DMRS transmission. According an embodiment of the disclosure, a method including determining at least one antenna port for a user equipment (UE); determining a demodulation reference signal (DMRS) resource for each of the at least one antenna port respectively; determining the number of symbols for carrying the determined DMRS resource in time domain; and indicating the determined DMRS resource of each of the at least one antenna port to the UE. Embodiments of the disclosure solve the technical problem of indicating DMRS resource and determining symbol/subcarriers for carrying the DMRS resource during DMRS transmission.

Abstract: Methods and apparatuses for power control are disclosed. A method comprises: receiving a first signaling indicating one or multiple power values for a downlink reception from a node, each power value being associated with a spatial domain filter, and determining a power value for the downlink reception from the node.

Abstract: The present disclosure is related to a method and apparatus for determining a dynamic hybrid automatic repeat request-acknowledge (HARQ-ACK) codebook. A method for determining a dynamic HARQ-ACK codebook for includes receiving a plurality of downlink (DL) transmissions, wherein each DL transmission has an associated first signal indicating whether the DL transmission is a last transmission of the plurality of DL transmissions. The method further includes transmitting a HARQ-ACK codebook corresponding to the plurality of DL transmissions, wherein, based on the first signal, HARQ-ACK feedback for the last transmission of the plurality of DL transmissions is arranged at the end of the HARQ-ACK codebook. The present disclosure reduces signaling overhead for a dynamic HARQ-ACK codebook and avoids misunderstanding between a base unit and a remote unit when determining the dynamic HARQ-ACK codebook.

Abstract: Methods and apparatuses for NBIoT frequency hopping are disclosed. A method comprises receiving a signal on a first number of frequency carriers, the signal switches among the first number of frequency carriers every a second number of time unit, wherein, the second number is configured by higher layer signaling, and the second number is determined by at least one of a subcarrier spacing of the signal, a scaling factor, a resource unit size of the signal, a subcarrier allocation.

Abstract: Methods and apparatuses for scheduling enhancement for eMTC are disclosed. A method comprises determining a HARQ process number for a transport block (TB), wherein the HARQ process number is determined by at least one of a HARQ process field of a control signal, a fixed HARQ process number, a HARQ process number of earliest scheduled process in a time duration, a HARQ process number of a process with earliest feedback in a time duration, a scrambling code of the TB, and a predefined HARQ process number of a process in an earliest feedback bundle; and transmitting the TB with the determined HARQ process number.

Abstract: The present application is related to a method and apparatus for HARQ-ACK codebook determination. A method of receiving information according to one embodiment comprises receiving, from a base unit, a first signal for indicating a first parameter which is a quantity of transport blocks (TBs) in a downlink association set and receiving a second signal for indicating a second parameter which is a quantity of hybrid automatic repeat request acknowledgement (HARQ-ACK) bit fields in a HARQ-ACK codebook, determining a size of the HARQ-ACK codebook based on the first signal and the second signal, and transmitting the HARQ-ACK codebook to the base unit, wherein the HARQ-ACK codebook comprises a first part including K1 HARQ-ACK bits and a second part including K2 HARQ-ACK bit fields, wherein each bit in the first part corresponds to one TB in the downlink association set; and each HARQ-ACK bit field in the second part corresponds to one incorrectly decoded TB in the downlink association set.

Abstract: The present application relates to user equipment and a method for reporting reference signal receiving power (RSRP). A user equipment transmits a reference signal to another user equipment. After receiving the reference signal, another user equipment measures the reference signal for determining an RSRP. Another user equipment then transmits the RSRP and an attribute information corresponding to the RSRP to the user equipment. The user equipment receives the RSRP and the attribute information. The attribute information includes a geographic information, a type information of the RSRP, or a combination of the geographic information and the type information.

Abstract: The present application is related to a method and apparatus for designing a control-resource set (CORESET) for a user equipment (UE) supporting New Radio (NR) Internet of Things (IoT) application in 3GPP 5G technology. A method for wireless communications performed by a base station (BS) includes: transmitting, to a UE, signaling configuring a control region on a wideband carrier, wherein the control region occupies more than three orthogonal frequency division multiplexing (OFDM) symbols in time domain; and transmitting, to the UE, a downlink control channel within the control region.

Abstract: Embodiments of the present disclosure relate to method and apparatus for HARQ feedback. According to an embodiment of the present disclosure, a method can include: transmitting, to a first user equipment (UE), location information of a second UE and a communication range required for at least one sidelink transmission from the second UE, wherein each of the at least one sidelink transmission comprises a set of transport blocks (TBs); detecting feedback information associated with a corresponding TB of the set of TBs from the first UE on a set of feedback resources; and determining whether to retransmit the corresponding TB of the set of TBs based on the detection result of the feedback information. Embodiments of the present disclosure can avoid unnecessary retransmission and can improve transmission efficiency in NR V2X groupcast communication.

Abstract: The present application is related to a method and apparatus for determining a hybrid automatic repeat request-acknowledge (HARQ-ACK) codebook for carrier aggregation (CA). A method for determining a HARQ-ACK codebook for CA includes receiving a first control signal on a carrier within a carrier group in a slot, wherein the first control signal includes an indicator for indicating whether the carrier is a last scheduled carrier of the carrier group for downlink transmissions. The method further includes transmitting a hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook corresponding to the downlink transmissions in the slot for the carrier group, wherein, based on the first control signal, one or more HARQ-ACK bits for the last scheduled carrier are arranged at the end of the HARQ-ACK codebook. The present application reduces signaling overhead for a HARQ-ACK codebook and avoids misunderstanding between a base unit and a remote unit when determining the HARQ-ACK codebook for CA.

Abstract: Methods, a remote unit and a base unit are disclosed. According to one embodiment, a method at a base nit, comprising: generating a wake up signal which indicates that a remote unit shall attempt to receive a paging message in a paging occasion, wherein the wake up signal is generated by L base sequences, each of the L base sequences is mapped to a base resource unit, where L is an integer, wherein the base resource unit includes M continous Physical Resource Blocks (PRBs) in frequency domain and N continous Frequency Division Multiplexing (OFDM) symbols within a slot in time domain, where M and N are integers; mapping the wake up signal to a frequency-time resource; and transmitting, to the remote unit, the mapped wake up signal in the frequency-time resource.

Abstract: The present application relates to a method and apparatus for determining a HARQ-ACK codebook. One embodiment of the subject application provides a method including receiving a signal requesting transmission of Hybrid Automatic Repeat request-Acknowledgement (HARQ-ACK) feedback for both a first group of Physical Downlink Shared Channel (PDSCH) transmissions and a second group of PDSCH transmission in a HARQ-ACK codebook, wherein each PDSCH transmission of the first group of PDSCH transmissions has an associated Downlink Control Information (DCI) indicating a first group index, and each PDSCH transmission of the second group of PDSCH transmissions has an associated DCI indicating a second group index; and transmitting the HARQ-ACK codebook.

Abstract: The present application relates to a method and apparatus for uplink data transmission or reception. One embodiment of the subject application provides a method for uplink data transmission performed by a User Equipment (UE), comprising: receiving, from a base station (BS), a first signalling indicating a first channel access priority class value, wherein the first channel access priority class value is used by the BS for initiating a channel occupancy; receiving, from the BS, a second signalling scheduling a Physical Uplink Shared Channel (PUSCH) for transmitting uplink data; performing a channel access procedure; and transmitting, to the BS, the uplink data on the PUSCH in response to the channel access procedure being successful.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for resource allocation in vehicle to everything (V2X) communication. According to an embodiment of the present disclosure, a method may include: determining resource allocation information indicating at least one set of resources for a set of transport blocks; and transmitting the determined resource allocation information. Each set of resources is associated with a transport block of the set of transport blocks to be transmitted on sidelink.

Abstract: Apparatuses, methods, and systems are disclosed for flexible uplink/downlink transmissions. One apparatus includes a processor and a memory that stores code executable by the processor. The code, in various embodiments, includes code that determines a frame period length for communication with a user equipment. In a further embodiment, the code includes code that determines an uplink/downlink split pattern to use with the determined frame period length. In certain embodiments, the code includes code that forms at least one message indicating the frame period length and the uplink/downlink split pattern. The apparatus may include a transmitter that provides the at least one message to the user equipment.

Abstract: The present application relates to a method and apparatus for sharing channel occupancy time. One embodiment of the subject application provides a method performed by a User Equipment (UE) for wireless communication, comprising: receiving, from a base station (BS), a first indicator requesting the UE to share a channel occupancy time (COT) for downlink transmission within the COT, wherein the COT is initiated by the UE for transmitting uplink data; determining a first channel access priority class (CAPC) value; initiating the COT by performing a channel access procedure using the first CAPC value; and transmitting, to the BS, at least a part of the uplink data in the COT.