Power spectrum density based configuration
Apparatuses, methods, and systems are disclosed for a power spectrum density based configuration. One method includes transmitting, from a user equipment, UCI bits via a PUCCH in a shared spectrum using multiple PRBs. The method includes receiving a configuration message including a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a SCS. The configuration message indicates at least one technique that satisfies a PUCCH PSD requirement, and the PUCCH PSD requirement includes a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple RBs or a repetition of sequences to multiple RBs, and/or information corresponding to subcarrier interlacing.
1 . A method performed by a user equipment (UE), the method comprising:
transmitting uplink control information (UCI) bits via a physical uplink control channel (PUCCH) in a shared spectrum using multiple physical resource blocks (PRBs); and
receiving a configuration message comprising a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a subcarrier spacing (SCS), wherein the configuration message indicates at least one technique that satisfies a PUCCH power spectrum density (PSD) requirement, and the PUCCH PSD requirement comprises a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple resource blocks (RBs) or a repetition of sequences to multiple RBs, information corresponding to subcarrier interlacing, or a combination thereof.
2 . The method of claim 1 , wherein a number of PRBs and a number of orthogonal frequency division multiplexing (OFDM) symbols are chosen based on a subcarrier spacing and the PUCCH PSD requirement.
3 . The method of claim 1 , wherein a long base sequence is used for PUCCH format 0 such that a length of the long base sequence is a multiple of a length-12 sequence for mapping multiple PRBs.
4 . The method of claim 1 , further comprising receiving an indication to apply frequency domain repetition by mapping 12 PUCCH subcarriers with the multiple PRBs.
5 . The method of claim 1 , further comprising receiving an indication to use a long orthogonal code for mapping REs in a frequency domain for the PUCCH format 1, wherein a length of the long orthogonal code is determined by multiplication of a number of configured symbols and a number of required PRBs.
6 . The method of claim 1 , further comprising receiving information indicating a configuration to apply subcarrier interlacing, sub resource block interlacing, or a combination thereof on 12 PUCCH subcarriers, wherein interlaces map delta frequency offsets with the multiple PRBs.
7 . The method of claim 1 , further comprising receiving an indication to apply a discrete Fourier transform with a length equal to an indicated number of RBs for the PUCCH format 4.
8 . A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled with the at least one memory and configured to cause the UE to:
transmit uplink control information (UCI) bits via a physical uplink control channel (PUCCH) in a shared spectrum using multiple physical resource blocks (PRBs); and
receive a configuration message comprising a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a subcarrier spacing (SCS), wherein the configuration message indicates at least one technique that satisfies a PUCCH power spectrum density (PSD) requirement, and the PUCCH PSD requirement comprises a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple resource blocks (RBs) or a repetition of sequences to multiple RBs, information corresponding to subcarrier interlacing, or a combination thereof.
9 . The UE of claim 8 , wherein a number of PRBs and a number of orthogonal frequency division multiplexing (OFDM) symbols are chosen based on a subcarrier spacing and the PUCCH PSD requirement.
10 . The UE of claim 8 , wherein a long base sequence is used for PUCCH format 0 such that a length of the long base sequence is a multiple of a length-12 sequence for mapping multiple PRBs.
11 . The UE of claim 8 , wherein the at least one processor is configured to cause the UE to receives an indication to apply frequency domain repetition by mapping 12 PUCCH subcarriers with the multiple PRBs.
12 . The UE of claim 8 , wherein the at least one processor is configured to cause the UE to receive an indication to use a long orthogonal code for mapping REs in a frequency domain for the PUCCH format 1, wherein a length of the long orthogonal code is determined by multiplication of a number of configured symbols and a number of required PRBs.
13 . The UE of claim 8 , wherein the at least one processor is configured to cause the UE to receive information indicating a configuration to apply subcarrier interlacing, sub resource block interlacing, or a combination thereof on 12 PUCCH subcarriers, wherein interlaces map delta frequency offsets with the multiple PRBs.
14 . The UE of claim 8 , wherein the at least one processor is configured to cause the UE to receive an indication to apply a discrete Fourier transform with a length equal to an indicated number of RBs for the PUCCH format 4.
15 . A base station, comprising:
at least one memory; and
at least one processor coupled with the at least one memory and configured to cause the base station to:
receive uplink control information (UCI) bits via a physical uplink control channel (PUCCH) in a shared spectrum using multiple physical resource blocks (PRBs); and
transmit a configuration message comprising a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a subcarrier spacing (SCS), wherein the configuration message indicates at least one technique that satisfies a PUCCH power spectrum density (PSD) requirement, and the PUCCH PSD requirement comprises a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple resource blocks (RBs) or a repetition of sequences to multiple RBs, information corresponding to subcarrier interlacing, or a combination thereof.
16 . A processor for wireless communication, comprising:
at least one controller coupled with at least one memory and configured to cause the processor to:
transmit uplink control information (UCI) bits via a physical uplink control channel (PUCCH) in a shared spectrum using multiple physical resource blocks (PRBs); and
receive a configuration message comprising a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a subcarrier spacing (SCS), wherein the configuration message indicates at least one technique that satisfies a PUCCH power spectrum density (PSD) requirement, and the PUCCH PSD requirement comprises a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple resource blocks (RBs) or a repetition of sequences to multiple RBs, information corresponding to subcarrier interlacing, or a combination thereof.
17 . The processor of claim 16 , wherein a number of PRBs and a number of orthogonal frequency division multiplexing (OFDM) symbols are chosen based on a subcarrier spacing and the PUCCH PSD requirement.
18 . The processor of claim 16 , wherein a long base sequence is used for PUCCH format 0 such that a length of the long base sequence is a multiple of a length-12 sequence for mapping multiple PRBs.
19 . The processor of claim 16 , wherein the at least one controller is configured to cause the processor to receive an indication to apply frequency domain repetition by mapping 12 PUCCH subcarriers with the multiple PRBs.
20 . The processor of claim 16 , wherein the at least one controller is configured to cause the processor to receive an indication to use a long orthogonal code for mapping REs in a frequency domain for the PUCCH format 1, wherein a length of the long orthogonal code is determined by multiplication of a number of configured symbols and a number of required PRBs.