Signaling mechanisms for sub-band scheduling in sidelink

An apparatus for wireless communication, comprising:

• a processor;
• a transceiver communicatively coupled to the processor;
• and
• a memory communicatively coupled to the processor,
• wherein the processor is configured to:
• determine, for a given sidelink, a primary sub-band and a plurality of secondary sub-bands from among a plurality of sub-bands designated for sidelink communication;
• determine, for the given sidelink, an assignment of resources in the primary sub-band and in each of the plurality of secondary sub-bands, a size of the assignment of resources being dependent on whether a given sub-band is the primary sub-band or one of the plurality of secondary sub-bands;
• transmit, for the given sidelink, signaling utilizing the assigned resources on the primary sub-band and on each of the plurality of secondary sub-bands;
• limit information designated to be transported by resources assigned to the primary sub-band to information that is conveyed using digital signaling;
• and
• limit information designated to be transported by resources assigned to the plurality of secondary sub-bands to information that is conveyed using tone signaling that is different from digital signaling.

An apparatus for wireless communication, comprising:

• means for determining, for a given sidelink, a primary sub-band and a plurality of secondary sub-bands from among a plurality of sub-bands designated for sidelink communication;
• means for determining, for the given sidelink, an assignment of resources in the primary sub-band and in each of the plurality of secondary sub-bands, a size of the assignment of resources being dependent on whether a given sub-band is the primary sub-band or one of the plurality of secondary sub-bands;
• means for transmitting, for the given sidelink, signaling utilizing the assigned resources on the primary sub-band and on each of the plurality of secondary sub-bands;
• means for limiting information designated to be transported by resources assigned to the primary sub-band to information that is conveyed using digital signaling;
• and
• means for limiting information designated to be transported by resources assigned to the plurality of secondary sub-bands to information that is conveyed using tone signaling that is different from digital signaling.

A non-transitory computer-readable medium storing processor-executable code, comprising code for causing a processor to:

• determine, for a given sidelink, a primary sub-band and a plurality of secondary sub-bands from among a plurality of sub-bands designated for sidelink communication;
• determine, for the given sidelink, an assignment of resources in the primary sub-band and in each of the plurality of secondary sub-bands, a size of the assignment of resources being dependent on whether a given sub-band is the primary sub-band or one of the plurality of secondary sub-bands;
• transmit, for the given sidelink, signaling utilizing the assigned resources on the primary sub-band and on each of the plurality of secondary sub-bands;
• limit information designated to be transported by resources assigned to the primary sub-band to information that is conveyed using digital signaling;
• and
• limit information designated to be transported by resources assigned to the plurality of secondary sub-bands to information that is conveyed using tone signaling that is different from digital signaling.