Resource allocation for random access with cyclic shift dithering

A network entity, comprising:

• one or more memories storing processor-executable code;
• and
• one or more processors coupled with the one or more memories and individually or collectively operable to execute the code to cause the network entity to:
• detect a first random access path comprising a first random access preamble via a first random access occasion;
• detect a second random access path comprising the first random access preamble via the first random access occasion;
• output, based at least in part on detecting the first random access path and the second random access path, a first response message comprising information associated with one or more estimated random access paths comprising at least the first random access path and the second random access path, the information comprising an indication of a first set of resources for transmitting a first random access message of a first four-step random access procedure, and an indication of a second set of resources for transmitting a third random access message of a second four-step random access procedure;
• and
• output, based at least in part on detecting the first random access path and the second random access path, a second response message comprising second information associated with the one or more estimated random access paths comprising at least the first random access path and the second random access path, the second information comprising an indication of a third set of resources for transmitting a first random access message of a third four-step random access procedure, and an indication of a fourth set of resources for transmitting a third random access message of a fourth random access procedure, the first response message corresponding to the first random access path and a first user equipment (UE) and the second response message corresponding to the second random access path and a second UE.

A method for wireless communications at a user equipment (UE), comprising:

• transmitting a first random access preamble via a random access occasion according to a first cyclic shift of a set of candidate cyclic shifts and a cyclic shift offset, the first cyclic shift and the cyclic shift offset being associated with a first cyclic shift step size that is greater than a round trip time (RTT) between a serving cell and the UE;
• receiving, based at least in part on transmitting the first random access preamble, a first response message comprising information associated with one or more estimated random access paths corresponding to one or more random access preambles received by a network entity during a time duration, the information comprising an indication of a first set of resources for transmitting a first random access message, and an indication of a second set of resources for transmitting a second random access message;
• and
• selecting the first set of resources or the second set of resources for a random access transmission based at least in part on receiving the information and transmitting the first response message.

A method for wireless communications at a network entity, comprising:

• detecting a first random access path comprising a first random access preamble via a first random access occasion;
• detecting a second random access path comprising the first random access preamble via the first random access occasion;
• outputting, based at least in part on detecting the first random access path and the second random access path, a first response message comprising information associated with one or more estimated random access paths comprising at least the first random access path and the second random access path, the information comprising an indication of a first set of resources for transmitting a first random access message of a first four-step random access procedure, and an indication of a second set of resources for transmitting a third random access message of a second four-step random access procedure;
• and
• outputting, based at least in part on detecting the first random access path and the second random access path, a second response message comprising second information associated with the one or more estimated random access paths comprising at least the first random access path and the second random access path, the second information comprising an indication of a third set of resources for transmitting a first random access message of a third four-step random access procedure, and an indication of a fourth set of resources for transmitting a third random access message of a fourth random access procedure, the first response message corresponding to the first random access path and a first user equipment (UE) and the second response message corresponding to the second random access path and a second UE.