Abstract: A method and apparatus are disclosed, from the perspective of the UE, for reporting channel state information (CSI). In one embodiment, the method includes a UE being configured with at least two CSI-RS (Channel State Information-Reference Signal) resources. In addition, the method includes the UE performing measurements on the at least two CSI-RS resources. The method also includes the UE generating multiple CSIs according to measurements on the at least two CSI-RS resources, wherein at least one CSI corresponds to measurements on more than one CSI-RS resource. The method further includes the UE reporting at least one of the generated CSIs.

Abstract: A method and apparatus are disclosed from the perspective of a transmitting device. In one embodiment, the method includes being configured or allocated with an identity, wherein the identity comprises a first part of the identity and a second part of the identity. The method also includes the transmitting device generating a data packet for sidelink transmission, wherein the data packet includes the second part of the identity. Furthermore, the method includes transmitting device generating a control information associated with the data packet, wherein the control information includes the first part of the identity. The method further includes the transmitting device transmits the control information and the data packet.

Abstract: A method and apparatus are disclosed from the perspective of a communication device. In one embodiment, the method includes the device being configured with a plurality of resource pools by a base station for a cell. The method further includes the device receiving a grant from the base station, wherein the grant indicates a resource associated with a resource pool of the plurality of resource pools through a resource pool index in the grant. The method also includes the device using the resource to perform a transmission on a device-to-device interface.

Abstract: A method and apparatus are disclosed from the perspective of a transmitting device. In one embodiment, the method includes being configured or allocated with an identity, wherein the identity comprises a first part of the identity and a second part of the identity. The method also includes the transmitting device generating a data packet for sidelink transmission, wherein the data packet includes the second part of the identity. Furthermore, the method includes transmitting device generating a control information associated with the data packet, wherein the control information includes the first part of the identity. The method further includes the transmitting device transmits the control information and the data packet.

Abstract: A method and apparatus are disclosed from the perspective of a device to perform sidelink communication. In one embodiment, the method includes the device receiving a sidelink grant from a network node, wherein the sidelink grant schedules or assigns multiple sidelink resources. The method further includes the device generating a data packet comprising or multiplexing sidelink data from Sidelink (SL) logical channel(s) with SL Hybrid Automatic Request (HARD) feedback enabled. The method further includes the device performing two sidelink transmissions for the data packet on two adjacent, neighbor, or consecutive sidelink resources among the multiple sidelink resources if a time gap of the two adjacent, neighbor, or consecutive sidelink resources is larger than or equal to a minimum time gap.

Abstract: A method and apparatus are disclosed from the perspective of a first device for performing sidelink transmission in a sidelink resource pool. In one embodiment, the first device has a configuration of the sidelink resource pool, wherein the sidelink resource pool is enabled with resource reservation for different Transport Blocks (TBs). The first device also has a configuration of a list of reserved periods. Furthermore, the first device selects or determines a first reserved period from the list of reserved periods, wherein the first selected or determined reserved period is within a first set of reserved periods. In addition, the first device randomly selects a first integer in a first interval, wherein the first interval is based on a scaling factor and a second interval, and the scaling factor is derived based on a largest reserved period in the first set of reserved periods, and wherein the first integer indicates a number of transmission opportunities of different TBs with the first reserved period.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment). In one embodiment, the method includes the UE receiving and/or monitoring a first control region via a first link. The method further includes the UE transmitting a first request if the first link fails. The method also includes the UE receiving and/or monitoring a second control region for a response via a second link within a time window associated with the first request. In addition, the method includes the UE receiving and/or monitoring the first control region after the time window associated with the first request is over.

Abstract: A method and apparatus are disclosed, from the perspective of the UE, for reporting channel state information (CSI). In one embodiment, the method includes a UE being configured with at least two CSI-RS (Channel State Information-Reference Signal) resources. In addition, the method includes the UE performing measurements on the at least two CSI-RS resources. The method also includes the UE generating multiple CSIs according to measurements on the at least two CSI-RS resources, wherein at least one CSI corresponds to measurements on more than one CSI-RS resource. The method further includes the UE reporting at least one of the generated CSIs.

Abstract: A method and apparatus are disclosed from the perspective of a communication device. In one embodiment, the method includes the device being configured with a plurality of resource pools by a base station for a cell. The method further includes the device receiving a grant from the base station, wherein the grant indicates a resource associated with a resource pool of the plurality of resource pools through a resource pool index in the grant. The method also includes the device using the resource to perform a transmission on a device-to-device interface.

Abstract: Methods and apparatuses for beam management with user equipment beam sweeping in a wireless communication system are disclosed herein. In one method, a network node transmits a reference signal for beam management within one occasion, wherein the occasion comprises at least M symbol sets. The network node performs beam sweeping for transmitting the reference signal in a first symbol set of the M symbol sets. The network node repeats the beam sweeping for transmitting the reference signal in the rest of the M symbol sets.

Abstract: A method and apparatus are disclosed from the perspective of a first device for performing sidelink transmission in a sidelink resource pool. In one embodiment, the first device has a configuration of the sidelink resource pool, wherein the sidelink resource pool is enabled with resource reservation for different Transport Blocks (TBs). The first device also has a configuration of a list of reserved periods. Furthermore, the first device selects or determines a first reserved period from the list of reserved periods, wherein the first selected or determined reserved period is within a first set of reserved periods. In addition, the first device randomly selects a first integer in a first interval, wherein the first interval is based on a scaling factor and a second interval, and the scaling factor is derived based on a largest reserved period in the first set of reserved periods, and wherein the first integer indicates a number of transmission opportunities of different TBs with the first reserved period.

Abstract: Methods and apparatuses for handling collision between sidelink feedback and sidelink data in a wireless communication system are disclosed herein. In one method, a User Equipment (UE) is (pre-)configured to perform one or more sidelink transmissions on multiple carriers, wherein the UE is able to transmit a first number of carriers among the multiple carriers at the same time. The UE selects a first resource for transmitting a first sidelink transmission in a first slot on a first carrier. The UE derives a second resource for transmitting a PSFCH delivering a feedback in a second slot on a second carrier, wherein the second slot is at least partly overlapping with the first slot in a time domain. The UE determines whether to prioritize either the PSFCH or the first sidelink transmission based on a rule when the number of carriers which the UE identifies to transmit in the overlapped slot exceeds the first number of carriers.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment). In one embodiment, the method includes the UE receiving and/or monitoring a first control region via a first link. The method further includes the UE transmitting a first request if the first link fails. The method also includes the UE receiving and/or monitoring a second control region for a response via a second link within a time window associated with the first request. In addition, the method includes the UE receiving and/or monitoring the first control region after the time window associated with the first request is over.

Abstract: A method and apparatus are disclosed from the perspective of a device to perform sidelink communication. In one embodiment, the method includes the device receiving a sidelink grant from a network node, wherein the sidelink grant schedules or assigns multiple sidelink resources. The method further includes the device generating a data packet comprising or multiplexing sidelink data from Sidelink (SL) logical channel(s) with SL Hybrid Automatic Request (HARD) feedback enabled. The method further includes the device performing two sidelink transmissions for the data packet on two adjacent, neighbor, or consecutive sidelink resources among the multiple sidelink resources if a time gap of the two adjacent, neighbor, or consecutive sidelink resources is larger than or equal to a minimum time gap.

Abstract: A method and apparatus are disclosed from the perspective of a first device for performing sidelink transmission in a sidelink resource pool. In one embodiment, the first device has a configuration of the sidelink resource pool, wherein the sidelink resource pool is enabled with resource reservation for different Transport Blocks (TBs). The first device also has a configuration of a list of reserved periods. Furthermore, the first device selects or determines a first reserved period from the list of reserved periods, wherein the first selected or determined reserved period is within a first set of reserved periods. In addition, the first device randomly selects a first integer in a first interval, wherein the first interval is based on a scaling factor and a second interval, and the scaling factor is derived based on a largest reserved period in the first set of reserved periods, and wherein the first integer indicates a number of transmission opportunities of different TBs with the first reserved period.

Abstract: A method and apparatus are disclosed from the perspective of a first device for performing sidelink communication. In one embodiment, the first device includes a MAC CE in a MAC PDU, wherein if the MAC PDU comprises the MAC CE without data, SL HARQ feedback is disabled for the MAC PDU. The first device further includes sidelink data associated with a first sidelink logical channel in the MAC PDU, wherein the first sidelink logical channel is configured to enable sidelink HARQ feedback. The first device also sets or indicates enable SL HARQ feedback for the MAC PDU in a SCI, wherein the SCI schedules a sidelink transmission delivering the MAC PDU. Furthermore, the first device transmits the SCI and performs the sidelink transmission to a second device.

Abstract: A method and device are disclosed from the perspective of a first device handling radio link failure. In one method, the method includes the first device performing or establishing sidelink unicast communication with a second device. The method also includes the first device performing or establishing sidelink unicast communication with a third device. The method also includes the first device detecting a radio link failure associated with the second device. The method further includes the first device performing a Sidelink MAC reset associated with the second device in response to the radio link failure, and not performing a Sidelink MAC reset associated with the third device.

Abstract: A method for forming a semiconductor device includes receiving a substrate having a first opening and a second opening formed thereon, wherein the first opening has a first width, and the second opening has a second width less than the first width; forming a protecting layer to cover the first opening and expose the second opening; performing a wet etching to widen the second opening with an etchant, wherein the second opening has a third width after the performing of the wet etching, and the third width of the second opening is substantially equal to the first width of the first opening; and performing a photolithography to transfer the first opening and the second opening to a target layer.

Abstract: A method and apparatus are disclosed from the perspective of a first device performing sidelink transmission. In one embodiment, the method includes the first device performing sensing on a first sidelink resource pool. The method further includes the first device determining one or more sets of resources based on one or more characteristics or one or more characteristic values associated with the sensing. The method also includes the first device transmitting a signal to at least a second device, wherein the signal indicates the one or more sets of resources and indicates the one or more characteristics or one or more characteristic values for the one or more sets of resources.

Abstract: Methods and apparatuses for beam management with user equipment beam sweeping in a wireless communication system are disclosed herein. In one method, a network node transmits a reference signal for beam management within one occasion, wherein the occasion comprises at least M symbol sets. The network node performs beam sweeping for transmitting the reference signal in a first symbol set of the M symbol sets. The network node repeats the beam sweeping for transmitting the reference signal in the rest of the M symbol sets.