Abstract: A method and apparatus in a wireless communication system supporting a semi-static shared spectrum channel access is provided. The method and apparatus comprises: receiving system information carried by downlink channels; identifying a duration of idle period, a fixed frame period, a number of observation slots, and an index; determining a first phase based on a first time period between a starting instance of the idle period and an ending instance of the at least one observation slot, a second phase based on a second time period between the ending instance of the at least one observation slot and an ending instance of the idle period, and a third phase based on a third time period between the ending instance of the idle period and an ending instance of the fixed frame period; and identifying the downlink channels as an idle state in the at least one observation slot.

Abstract: A method and apparatus of a user equipment (UE) in a wireless communication system is provided. The method and apparatus comprises: receiving a synchronization signals and physical broadcast channel (SS/PBCH) block; determining whether a shared spectrum channel access is enabled; determining a first index of the SS/PBCH block as a candidate SS/PBCH block index (ISSB1) based on a number of candidate SS/PBCH blocks in a half frame; and determining a second index of the SS/PBCH block as an SS/PBCH block index (ISSB2) based on a quasi-co-location (QCL) parameter (Q) indicated by a PBCH in the SS/PBCH block, wherein the SS/PBCH block index (ISSB2) is determined as: ISSB2=ISSB1 mod Q based on a determination that the shared spectrum channel access is enabled, where mod is a modular operation; or ISSB2=ISSB1 based on the determination that the shared spectrum channel access is not enabled.

Abstract: Provided herein are antibodies that specifically bind to GPRC5D. Also described are related polynucleotides capable of encoding the provided GPRC5D-specific antibodies or antigen-binding fragments, cells expressing the provided antibodies or antigen-binding fragments, as well as associated vectors and detectably labeled antibodies or antigen-binding fragments. In addition, methods of using the provided antibodies are described. For example, the provided antibodies may be used to diagnose, treat, or monitor GPRC5D-expressing cancer progression, regression, or stability; to determine whether or not a patient should be treated for cancer; or to determine whether or not a subject is afflicted with GPRC5D-expressing cancer and thus may be amenable to treatment with a GPRC5D-specific anti-cancer therapeutic, such as the multispecific antibodies against GPRC5D and CD3 described herein.

Abstract: A method of a UE in a wireless communication system supporting a shared spectrum channel access is provided. The UE comprises: receiving, from a BS over a first downlink channel, a SS/PBCH block; determining a transmission window in which the received SS/PBCH block is located; determining whether a CORESET for Type0-PDCCH CSS is present based on the received SS/PBCH block; determining a parameter for a QCL assumption of candidate SS/PBCH blocks within the transmission window; determining a group of QCLed candidate SS/PBCH blocks within the transmission window based on the determined parameter for the QCL assumption; determining a group of slots including the Type0-PDCCH CSS, wherein each slot of the group of slots corresponds to a candidate SS/PBCH block within the group of QCLed candidate SS/PBCH blocks; and receiving, over a second downlink channel, at least one Type0-PDCCH based on the determined groups of slots including the Type0-PDCCH CSS.

Abstract: A method and apparatus in a wireless communication system is provided. The method and apparatus comprise: receiving an SS/PBCH block; determining a subcarrier spacing of the SS/PBCH block from a set of subcarrier spacings {SCS1, SCS2}; determining a subcarrier spacing of a Type0-PDCCH CSS set in a CORESET, the subcarrier spacing of the Type0-PDCCH CSS set is the same as the subcarrier spacing of the SS/PBCH block; determining a bandwidth and a number of symbols of the CORESET based on an MIB in the SS/PBCH block; determining a frequency offset from a set of frequency offsets {O1, O2}, the frequency offset is determined as being from a smallest RB index of the CORESET to a smallest RB index of the common RB overlapping with a first RB of the SS/PBCH block; determining a frequency location of the CORESET; and receiving a Type0-PDCCH.

Abstract: A method of a base station (BS) in a wireless communication system is provide.

Abstract: A UE in a wireless communication system is provided. The UE comprises at least one processor configured to identify a DTTC including at least one of a first periodicity, a duration of a first transmission window, or a first timing offset of the first transmission window, wherein the DTTC is identified for the DSCH or RLM in a serving cell, and identify a DMTC including at least one of a second periodicity, a duration of a second transmission window, or a second timing offset of the second transmission window, wherein the DMTC is identified for RRM measurement based on the DSCH. The UE further comprises a transceiver operably connected to the processor, the transceiver configured to receive, from a BS, at least one DSCH from a set of DSCH over unlicensed downlink channels based on the identified DTTC, wherein the received at least one DSCH includes a SS/PBCH block.

Abstract: A method of a UE in a wireless communication system supporting a shared spectrum channel access is provided. The UE comprises: receiving, from a BS over a first downlink channel, a SS/PBCH block; determining a transmission window in which the received SS/PBCH block is located; determining whether a CORESET for Type0-PDCCH CSS is present based on the received SS/PBCH block; determining a parameter for a QCL assumption of candidate SS/PBCH blocks within the transmission window; determining a group of QCLed candidate SS/PBCH blocks within the transmission window based on the determined parameter for the QCL assumption; determining a group of slots including the Type0-PDCCH CSS, wherein each slot of the group of slots corresponds to a candidate SS/PBCH block within the group of QCLed candidate SS/PBCH blocks; and receiving, over a second downlink channel, at least one Type0-PDCCH based on the determined groups of slots including the Type0-PDCCH CSS.

Abstract: Methods and apparatuses of a BSs and UEs in a wireless communication system are provided. A method of operating the UE comprises: receiving, from a BS over a shared spectrum channel, a first DCI including a COT of the BS; determining a first portion of the COT for a downlink transmission from the BS and a second portion of the COT for an uplink transmission to the BS, wherein the COT includes a gap between the first and second portions of the COT; performing a channel access procedure based on a duration of the gap; receiving the downlink transmission in the first portion of the COT; and transmitting the uplink transmission in the second portion of the COT based on a sensing status of the shared spectrum channel that is sensed as an idle state during the channel access procedure in the duration of the gap.

Abstract: A UE in a wireless communication system supporting a shared spectrum channel access is provided. The method comprises: determining a set of DSCH transmission windows based on a window periodicity, a window duration, and a window offset; determining a first set of SS/PBCH blocks within a DSCH transmission window of the set of DSCH transmission windows, wherein the first set of SS/PBCH blocks is QCLed; determining a second set of SS/PBCH blocks across at least two DSCH transmission windows being different DSCH windows of the set of DSCH transmission windows, wherein the second set of SS/PBCH blocks is QCLed; and receiving at least one SS/PBCH block that is located in the first set of SS/PBCH blocks or the second set of SS/PBCH blocks based on QCL information of the first set of SS/PBCH blocks or the second set of SS/PBCH blocks within the DSCH transmission window.

Abstract: A method and apparatus in a wireless communication system supporting shared spectrum channel access is provided. The method and apparatus comprises: receiving a set of downlink channels supporting the shared spectrum channel access; identifying, a window for SS/PBCH block transmission, a bitmap for SS/PBCH blocks (ssb-PositionsInBurst), and a parameter for QCL assumption Q; determining, based on the identified window for the SS/PBCH block transmission, the identified bitmap for the ssb-PositionsInBurst, and the identified parameter for the QCL assumption Q, a SS/PBCH block as one of: a first set of SS/PBCH blocks assumed to be transmitted by the BS, or a second set of SS/PBCH blocks not transmitted by the BS; determining a set of resources that is not available for at least one PDSCH as overlapped with the first set of SS/PBCH blocks; and receiving the at least one PDSCH based on resource other than the determined set of resources.

Abstract: A method of a user equipment (UE) in a wireless communication system supporting a shared spectrum channel access is provided. The method comprises: receiving, from a base station (BS), a set of higher layer parameters including a subcarrier spacing of a physical random access channel (PRACH) preamble, a logical root index (ilog) for the PRACH preamble, and an index (zeroCorrelationZoneConfg); determining a sequence length (LRA) for the PRACH preamble based on the subcarrier spacing of the PRACH preamble; determining a physical root index (iphy) for the PRACH preamble based on the logical root index (ilog); determining a cyclic shift (NCS) for the PRACH preamble based on the index (zeroCorrelationZoneConfg); generating the PRACH preamble based on the determined sequence length LRA, the determined physical root index iphy, and the determined cyclic shift NCS; and transmitting, to the base station (BS) over the shared spectrum channel, the PRACH preamble.

Abstract: A UE in a wireless communication system is provided. The UE comprises at least one processor configured to identify a DTTC including at least one of a first periodicity, a duration of a first transmission window, or a first timing offset of the first transmission window, wherein the DTTC is identified for the DSCH or RLM in a serving cell, and identify a DMTC including at least one of a second periodicity, a duration of a second transmission window, or a second timing offset of the second transmission window, wherein the DMTC is identified for RRM measurement based on the DSCH. The UE further comprises a transceiver operably connected to the processor, the transceiver configured to receive, from a BS, at least one DSCH from a set of DSCH over unlicensed downlink channels based on the identified DTTC, wherein the received at least one DSCH includes a SS/PBCH block.

Abstract: A base station (BS) in a wireless communication system is provided. The BS comprises a processor configured to determine frequency units within a frequency range for a bandwidth of an operating carrier, wherein a listen-before-talk (LBT) operation is performed over each of the frequency units; and determine, for each of the frequency units, a set of intended spatial transmit (TX) parameters and a set of spatial receiver (RX) parameters of the LBT operation; and determine a subset of the frequency units for a downlink transmission based on the LBT operation performed over each of the frequency units; and a transceiver operably connected to processor, which is configured to transmit, to a user equipment (UE), downlink channels using the bandwidth corresponding to the determined subset of the frequency units.

Abstract: Methods and apparatuses of a BSs and UEs in a wireless communication system are provided. A method of operating the UE comprises: receiving, from a BS over a shared spectrum channel, a first DCI including a COT of the BS; determining a first portion of the COT for a downlink transmission from the BS and a second portion of the COT for an uplink transmission to the BS, wherein the COT includes a gap between the first and second portions of the COT; performing a channel access procedure based on a duration of the gap; receiving the downlink transmission in the first portion of the COT; and transmitting the uplink transmission in the second portion of the COT based on a sensing status of the shared spectrum channel that is sensed as an idle state during the channel access procedure in the duration of the gap.

Abstract: A UE in a wireless communication system is provided. The UE comprises a transceiver configured to receive SS/PBCH block over downlink channels using a set of parameters based on an operation mode. The operation mode is configured for the SS/PBCH block as a first operation mode in which the SS/PBCH block is used on a LAA Scell or a second operation mode in which the SS/PBCH block is at least used on a Pcell. The set of parameters is configured as a first set of parameters for the SS/PBCH block when the operation mode of the SS/PBCH block is configured as the first operation mode or a second set of parameters for the SS/PBCH block when the operation mode of the SS/PBCH block is configured as the second operation mode. The first and second set of parameters include different information each other.

Abstract: Methods and apparatuses in a wireless communication system operating with shared spectrum channel access. A method of operating a UE includes receiving an SS/PBCH block; determining a higher-layer parameter ssb-SubcarrierOffset based on an MIB of a PBCH included in the SS/PBCH block; determining a bit (??+5) from a payload of the PBCH; and determining a first value (kSSB) based on a second value (kSSB). Four LSBs of the second value (kSSB) are indicated by the higher-layer parameter ssb-SubcarrierOffset and an MSB of the second value (kSSB) is indicated by the bit (??+5).

Abstract: Provided herein are antibodies that specifically bind to GPRC5D. Also described are related polynucleotides capable of encoding the provided GPRC5D-specific antibodies or antigen-binding fragments, cells expressing the provided antibodies or antigen-binding fragments, as well as associated vectors and detectably labeled antibodies or antigen-binding fragments. In addition, methods of using the provided antibodies are described. For example, the provided antibodies may be used to diagnose, treat, or monitor GPRC5D-expressing cancer progression, regression, or stability; to determine whether or not a patient should be treated for cancer; or to determine whether or not a subject is afflicted with GPRC5D-expressing cancer and thus may be amenable to treatment with a GPRC5D-specific anti-cancer therapeutic, such as the multispecific antibodies against GPRC5D and CD3 described herein.

Abstract: A method and apparatus in a wireless communication system supporting shared spectrum channel access is provided. The method and apparatus comprises: receiving a set of downlink channels supporting the shared spectrum channel access; identifying, a window for SS/PBCH block transmission, a bitmap for SS/PBCH blocks (ssb-PositionsInBurst), and a parameter for QCL assumption Q; determining, based on the identified window for the SS/PBCH block transmission, the identified bitmap for the ssb-PositionsInBurst, and the identified parameter for the QCL assumption Q, a SS/PBCH block as one of: a first set of SS/PBCH blocks assumed to be transmitted by the BS, or a second set of SS/PBCH blocks not transmitted by the BS; determining a set of resources that is not available for at least one PDSCH as overlapped with the first set of SS/PBCH blocks; and receiving the at least one PDSCH based on resource other than the determined set of resources.

Abstract: Provided herein are antibodies that specifically bind to GPRC5D. Also described are related polynucleotides capable of encoding the provided GPRC5D-specific antibodies or antigen-binding fragments, cells expressing the provided antibodies or antigen-binding fragments, as well as associated vectors and detectably labeled antibodies or antigen-binding fragments. In addition, methods of using the provided antibodies are described. For example, the provided antibodies may be used to diagnose, treat, or monitor GPRC5D-expressing cancer progression, regression, or stability; to determine whether or not a patient should be treated for cancer; or to determine whether or not a subject is afflicted with GPRC5D-expressing cancer and thus may be amenable to treatment with a GPRC5D-specific anti-cancer therapeutic, such as the multispecific antibodies against GPRC5D and CD3 described herein.