Abstract: A user equipment (UE) in a wireless communication system. The UE comprises at least one processor configured to determine a first subcarrier spacing and a transceiver configured to transmit, to a base station (BS), random access signals generated with the first subcarrier spacing and receive a downlink control signaling comprising a physical (PHY) resource configuration that includes a second subcarrier spacing. The UE further comprises at least one processor configured to set the PHY resource configuration for at least one of uplink transmission or downlink reception.

Abstract: One or more embodiments provide a method implemented in a user equipment (UE) used in a wireless communications system. The method includes transmitting an indication to a base station that the UE is capable of transmitting on a single uplink carrier frequency and downlink carrier aggregation. The method also includes receiving an uplink carrier frequency switching pattern from the base station. The method also includes switching uplink carrier frequencies based on the uplink carrier frequency switching pattern.

Abstract: A method of a base station (BS) for transmitting synchronization signals in a wireless communication system. The method comprises generating a primary synchronization signal (PSS) including one of multiple PSS sequences that is generated based on a M-sequence of length 127 in a frequency domain, wherein the PSS indicates part of cell identification (ID) information using a cyclic shift performed on the M-sequence generating the PSS; generating a secondary synchronization signal (SSS) including one of multiple SSS sequences that is generated based on multiple BPSK modulated M-sequences of length 127 in the frequency domain, wherein the SSS indicates the cell ID information using cyclic shifts performed on the M-sequences generating the SSS; and transmitting, to a user equipment (UE), the PSS and SSS over downlink channels.

Abstract: A UE in a wireless communication system is provided. The UE comprises a transceiver configured to receive, from a BS, a SS/PBCH block including the PBCH using a first frequency location (GSCN-Current) over downlink channels, GSCN-Current being based on a set of predefined synchronization rasters that is determined by a global synchronization channel number (GSCN). The UE further comprises a processor operably connected to the transceiver, the processor configured to determine the SS/PBCH block, identify content of a PBCH included in the determined SS/PBCH block, determine a configuration for at least one of the SS/PBCH block that is associated with a PDCCH including scheduling information for RMSI on the GSCN-Current or the SS/PBCH block that is not associated with the PDCCH including the scheduling information for the RMSI on the GSCN-Current.

Abstract: A method of enabling an Open RAN-compatible radio unit (O-RU) to apply different beamforming weights to different physical resource blocks (PRBs) using a single sectionId and a single section extension type includes: specifying a first mode of operation in which the number of beamforming weights in the section extension type 1 is equal to L*numPrbs, L is the number of TRX and numPrbs is the number of physical resource blocks; signaling, by an Open RAN-compatible distributed unit (O-DU) to the O-RU, the first mode of operation by specifying a value of parameter extLen to be zero, wherein extLen is the length of the section extension in units of 32-bit words; and the O-RU applying the kth beamforming weights (bfwI and bfwQ), k=1, 2, . . . , L*numPrbc in section extension type 1 for TRX j, j=0, 1, . . . , L?1 to the ith PRB, i=1, 2, . . . , numPrbc defined under the sectionId of the C-plane message.

Abstract: A base station includes a controller configured to configure an MRS resource set comprising a group of MRS resources, each MRS resource comprising a set of MRS antenna ports. If at least two MRS antenna ports belong to a same MRS resource, then the at least two MRS antenna ports are quasi co-located with respect to a first set of QCL parameters, else if the at least two MRS antenna ports belong to a same MRS resource set, then the at least two MRS antenna ports are quasi co-located with respect to a second set of QCL parameters, and else the at least two MRS antenna ports are not quasi co-located with respect to either the first set or the second set of QCL parameters. The MRS is a CSI-RS for estimating a CSI and at least one of the first set and the second set of QCL parameters.

Abstract: A method of user equipment (UE) for system information transmission in a wireless communication system is provided.

Abstract: A method of user equipment (UE) for random access operation in a wireless communication system is provided. The method comprises receiving, from a base station (BS), random access channel (RACH) configuration information including RACH chunk information corresponding to at least one antenna beam including a beam identifier (ID), determining a RACH chunk based on the RACH configuration information received from the BS, transmitting, to the BS, a RACH preamble on the determined RACH chunk according to the RACH configuration information associated with the beam ID, and receiving, from the BS, a RACH response (RAR) corresponding to the transmitted RACH preamble and a downlink channel for a RAR transmission, wherein a random access-radio network temporary identification (RA-RNTI) is calculated based on an index of a slot and an index of the RACH chunk on which the RACH preamble is transmitted.

Abstract: A method of enabling an Open RAN-compatible radio unit (O-RU) to apply different beamforming weights to different physical resource blocks (PRBs) using a single sectionId and a single section extension type includes: specifying a first mode of operation in which the number of beamforming weights in the section extension type 1 is equal to L*numPrbs, L is the number of TRX and numPrbs is the number of physical resource blocks; signaling, by an Open RAN-compatible distributed unit (O-DU) to the O-RU, the first mode of operation by specifying a value of parameter extLen to be zero, wherein extLen is the length of the section extension in units of 32-bit words; and the O-RU applying the kth beamforming weights (bfwI and bfwQ), k=1, 2, . . . , L*numPrbc in section extension type 1 for TRX j, j=0, 1, . . . , L?1 to the ith PRB, i=1,2, . . . , numPrbc defined under the sectionId of the C-plane message.

Abstract: The method comprises receiving periodic CSI feedback configuration information including a periodicity value and an offset value corresponding to a first CSI report, and at least one periodicity value and at least one offset value corresponding to a second CSI report, measuring a first CSI reference signal (CSI-RS) and a second CSI-RS configured for a periodic CSI reporting based on at least two different enhanced MIMO types (eMIMO-Types), generating the first CSI report and the second CSI report for the first eMIMO-Type and the second eMIMO-Type, respectively, determining a periodic reporting interval for each of the first CSI report and the second CSI report, and reporting the first and second CSI reports based on the determined periodic reporting intervals using a physical uplink control channel (PUCCH) format 2 or a PUCCH format 3 or a combination of the PUCCH format 2 and the PUCCH format 3.

Abstract: A method of a base station (BS) for transmitting synchronization signals in a wireless communication system. The method comprises generating a primary synchronization signal (PSS) including one of multiple PSS sequences that is generated based on a M-sequence of length 127 in a frequency domain, wherein the PSS indicates part of cell identification (ID) information using a cyclic shift performed on the M-sequence generating the PSS; generating a secondary synchronization signal (SSS) including one of multiple SSS sequences that is generated based on multiple BPSK modulated M-sequences of length 127 in the frequency domain, wherein the SSS indicates the cell ID information using cyclic shifts performed on the M-sequences generating the SSS; and transmitting, to a user equipment (UE), the PSS and SSS over downlink channels.

Abstract: A method of a user equipment (UE) for configuring a phase noise reference signal (RS) in an advanced communication system. The method comprises receiving, from a base station (BS), configuration information of the phase noise RS using a radio resource control (RRC) signal and downlink control information (DCI) through a hybrid signaling scheme including information of the phase noise RS; identifying an RS mapping pattern based on the configuration information of the phase noise RS signaled in the RRC and DCI through the hybrid signaling scheme; performing a channel estimation and phase tracking for a downlink channel in a scheduled bandwidth (BW) according to the identified RS mapping pattern; and receiving, from the BS, downlink data over the downlink channel in the scheduled BW.

Abstract: A method for a user equipment (UE) is provided. The method comprises receiving, from a base station (BS), information via a dynamic signaling comprising at least one of a medium access control channel element (MAC CE) or downlink control information (DCI) that includes information for a set of channel state information-reference signal (CSI-RS); identifying CSI-RS resources each of which comprises a set of antenna ports based on the information; and measuring CSI using an aggregation of the CSI-RS resources, wherein an energy per resource element (EPRE) ratio between a CSI-RS and a physical downlink shared channel (PDSCH) is configured in the information to each of the CSI-RS resources comprising the aggregated CSI-RS resources.

Abstract: Coordinate multi-point (CoMP) transmission is facilitated by resolving collisions between feedback reporting. Based upon the conditions within the network, collision resolution may be by dropping a channel report during a subframe, multiplexing channel reports from a plurality of user equipment, compressing channel reports from a plurality of user equipment, and combined reporting, either through joint reports or by using carrier aggregation, for conditions between a user equipment and a plurality of transmission points. New signaling and reporting formats facilitate selection of a collision resolution suitable for current network conditions.

Abstract: A method of a base station (BS) for transmitting synchronization signals in a wireless communication system. The method comprises generating a primary synchronization signal (PSS) including one of multiple PSS sequences that is generated based on a M-sequence of length 127 in a frequency domain, wherein the PSS indicates part of cell identification (ID) information using a cyclic shift performed on the M-sequence generating the PSS; generating a secondary synchronization signal (SSS) including one of multiple SSS sequences that is generated based on multiple BPSK modulated M-sequences of length 127 in the frequency domain, wherein the SSS indicates the cell ID information using cyclic shifts performed on the M-sequences generating the SSS; and transmitting, to a user equipment (UE), the PSS and SSS over downlink channels.

Abstract: A method of a base station (BS) for transmitting synchronization signals in a wireless communication system. The method comprises generating a primary synchronization signal (PSS) including one of multiple PSS sequences that is generated based on a M-sequence of length 127 in a frequency domain, wherein the PSS indicates part of cell identification (ID) information using a cyclic shift performed on the M-sequence generating the PSS; generating a secondary synchronization signal (SSS) including one of multiple SSS sequences that is generated based on multiple BPSK modulated M-sequences of length 127 in the frequency domain, wherein the SSS indicates the cell ID information using cyclic shifts performed on the M-sequences generating the SSS; and transmitting, to a user equipment (UE), the PSS and SSS over downlink channels.

Abstract: A method of a base station (BS) for transmitting synchronization signals in a wireless communication system. The method comprises generating a primary synchronization signal (PSS) including one of multiple PSS sequences that is generated based on a M-sequence of length 127 in a frequency domain, wherein the PSS indicates part of cell identification (ID) information using a cyclic shift performed on the M-sequence generating the PSS; generating a secondary synchronization signal (SSS) including one of multiple SSS sequences that is generated based on multiple BPSK modulated M-sequences of length 127 in the frequency domain, wherein the SSS indicates the cell ID information using cyclic shifts performed on the M-sequences generating the SSS; and transmitting, to a user equipment (UE), the PSS and SSS over downlink channels.

Abstract: For CSI reporting mechanisms, a user equipment (UE) includes a transceiver and a processor operably connected to the transceiver. The transceiver is configured to receive channel state information (CSI) process configuration information including at least one beamformed type associated with a plurality of non-zero-power (NZP) CSI reference signal (CSI-RS) resource configurations and receive a CSI-RS resource index (CRI) reporting configuration. The processor is configured to calculate, in response to receipt of the configuration information, a CRI and a channel quality indicator (CQI). The transceiver is further configured to report the CRI and the CQI by transmitting the CRI and the CQI on an uplink channel.

Abstract: The method comprises receiving periodic CSI feedback configuration information including a periodicity value and an offset value corresponding to a first CSI report, and at least one periodicity value and at least one offset value corresponding to a second CSI report, measuring a first CSI reference signal (CSI-RS) and a second CSI-RS configured for a periodic CSI reporting based on at least two different enhanced MIMO types (eMIMO-Types), generating the first CSI report and the second CSI report for the first eMIMO-Type and the second eMIMO-Type, respectively, determining a periodic reporting interval for each of the first CSI report and the second CSI report, and reporting the first and second CSI reports based on the determined periodic reporting intervals using a physical uplink control channel (PUCCH) format 2 or a PUCCH format 3 or a combination of the PUCCH format 2 and the PUCCH format 3.

Abstract: A base station capable of communicating with a user equipment (UE) includes a transceiver configured to transmit Channel State Information-Reference Signal (CSI-RS) according to a CSI-RS configuration comprising a number of antenna ports, and downlink signals containing the CSI-RS configuration and a precoding-matrix-construction configuration for precoding matrix indicator (PMI) reporting on physical downlink shared channels (PDSCH), the precoding-matrix-construction configuration comprising a first and second sampling factors, O1 and O2, and a first and second numbers, N1 and N2, receive, from the UE, uplink signals containing a precoding matrix indicator (PMI) derived using the CSI-RS according to the precoding-matrix-construction configuration, a controller configured to convert the PMI to one of predetermined precoding matrices.