Sounding reference signal (SRS) configurations for one or more frequency hops

A method of wireless communication performed by a user equipment (UE), comprising:

• receiving, from a network entity, a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• and
• transmitting, in a first frequency hop in accordance with the SRS configuration, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop,
• wherein the SRS configuration indicates, for a first set of frequency hops in a slot, a comb-N SRS resource which spans M symbols with a repetition factor of R and B frequency hops within the slot, satisfies the equation of N*R*B=M, wherein M is greater than 1.

A method of wireless communication performed by a base station (BS), comprising:

• transmitting, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• receiving, from the UE in a first frequency hop, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• receiving, from the UE in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.

A method of wireless communication performed by a base station (BS), comprising:

• transmitting, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• and
• receiving, from the UE in a first frequency hop, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop,
• wherein the SRS configuration indicates, for a first set of frequency hops in a slot, a comb-N SRS resource which spans M symbols with a repetition factor of R and B frequency hops within the slot, satisfies the equation of N*R*B=M, wherein M is greater than 1.

A user equipment (UE), comprising:

• means for receiving, from a network entity, a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• means for transmitting, in a first frequency hop in accordance with the SRS configuration, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• means for transmitting, in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.

A base station (BS), comprising:

• means for transmitting, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• means for receiving, from the UE in a first frequency hop, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• means for receiving, from the UE in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding BW associated with the second frequency hop.

A user equipment (UE), comprising:

• a memory;
• at least one transceiver;
• and
• at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to:
• receive, from a network entity, a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• transmit, in a first frequency hop in accordance with the SRS configuration, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• transmit, in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.

A base station (BS), comprising:

• a memory;
• at least one transceiver;
• and
• at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to:
• transmit, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• receive, from the UE in a first frequency hop, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• receive, from the UE in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.

A user equipment (UE), comprising:

• a memory;
• at least one transceiver;
• and
• at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to:
• receive, from a network entity, a sounding reference signal (SRS) configuration that indicates, for each of a plurality of frequency hops associated with the same comb-type, a sequence of resource element offsets that is based on a number of orthogonal frequency division multiplexing (OFDM) symbols used in the respective frequency hop;
• and
• transmit, in each of the plurality of frequency hops, a plurality of consecutive OFDM symbols with at least one SRS in accordance with the sequence of resource element offsets indicated by the SRS configuration for the respective frequency hop.

A base station (BS), comprising:

• a memory;
• at least one transceiver;
• and
• at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to:
• transmit, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for each of a plurality of frequency hops associated with the same comb-type, a sequence of resource element offsets that is based on a number of orthogonal frequency division multiplexing (OFDM) symbols used in the respective frequency hop;
• and
• receive, from the UE in each of the plurality of frequency hops, a plurality of consecutive OFDM symbols with at least one SRS in accordance with the sequence of resource element offsets indicated by the SRS configuration for the respective frequency hop.

A non-transitory computer-readable medium containing instructions stored thereon, for causing at least one processor in a user equipment (UE) to:

• receive, from a network entity, a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• transmit, in a first frequency hop in accordance with the SRS configuration, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• transmit, in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.

A non-transitory computer-readable medium containing instructions stored thereon, for causing at least one processor in a base station to:

• transmit, to a user equipment (UE), a sounding reference signal (SRS) configuration that indicates, for at least one frequency hop, an allocation of less than all subcarriers of a sounding bandwidth for SRS per orthogonal frequency division multiplexing (OFDM) symbol in a respective frequency hop;
• and
• receive, from the UE in a first frequency hop, a first plurality of OFDM symbols with at least one SRS across all subcarriers of a first sounding bandwidth associated with the first frequency hop;
• and
• receive, from the UE in a second frequency hop, a second plurality of OFDM symbols with at least one SRS across all subcarriers of a second sounding bandwidth associated with the second frequency hop.