Primary synchronization signal burst that is separate from a secondary synchronization signal burst

1 . An apparatus for wireless communication at a network node, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured, individually or collectively, to cause the network node to:

transmit, based at least in part on a first transmission, a primary synchronization signal (PSS) burst; and

transmit, based at least in part on a second transmission, a secondary synchronization signal (SSS) burst, the second transmission being non-overlapping in a time domain with the first transmission, wherein a quantity of PSS sequence repetitions of the PSS burst is equal to a quantity of PSS communication beams, and wherein a quantity of SSS sequence repetitions of the SSS burst is equal to a quantity of SSS communication beams, wherein the quantity of PSS sequence repetitions is different from the quantity of SSS sequence repetitions, wherein the quantity of PSS communication beams is different from the quantity of SSS communication beams, wherein the PSS communication beams comprise PSS transmit beams, and wherein the SSS communication beams comprise SSS transmit beams.

2 . The apparatus of claim 1 , wherein the PSS burst comprises at least one of:

a first plurality of symbols that are consecutive in the time domain, or

a first plurality of time slots that are consecutive in the time domain,

wherein the SSS burst comprises at least one of:

a second plurality of symbols that are consecutive in the time domain, or

a second plurality of time slots that are consecutive in the time domain, and

wherein the PSS burst is non-contiguous with the SSS burst based at least in part on at least one of:

the first plurality of symbols being disjointed from the second plurality of symbols in the time domain, or

the first plurality of time slots being disjointed from the second plurality of time slots in the time domain.

3 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the PSS burst, are configured to cause the network node to:

transmit the quantity of PSS sequence repetitions based at least in part on the quantity of PSS communication beams, wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit the quantity of SSS sequence repetitions based at least in part on the quantity of SSS communication beams.

4 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, at least one SSS transmit beam that is associated with transmitting the SSS burst; and

transmit, in the SSS block of the SSS burst, at least one physical broadcast channel (PBCH) based at least in part on a PBCH transmit beam.

5 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, an SSS based at least in part on an SSS transmit beam; and

transmit, in the SSS block of the SSS burst, at least one physical broadcast channel (PBCH) based at least in part on the SSS transmit beam.

6 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on multiplexing the SSS and the PBCH in a frequency domain.

7 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on multiplexing the SSS and the PBCH in the time domain.

8 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on multiplexing the SSS and the PBCH in a frequency domain and the time domain.

9 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to:

transmit, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on interlacing the SSS and the PBCH in a frequency domain and the time domain.

10 . The apparatus of claim 1 , wherein the one or more processors, to cause the network node to transmit the PSS burst, are configured to cause the network node to transmit a PSS sequence of the PSS burst,

wherein the one or more processors, to cause the network node to transmit the SSS burst, are configured to cause the network node to transmit an SSS sequence of the SSS burst, and

wherein the one or more processors, to cause the network node to transmit the PSS sequence and transmit the SSS sequence, are configured to cause the network node to:

transmit the PSS sequence based at least in part on a first beam width and transmit the SSS sequence based at least in part on the first beam width,

transmit the PSS sequence based at least in part on the first beam width and transmit the SSS sequence based at least in part on a second beam width,

transmit the PSS sequence based at least in part on a first power level and transmit the SSS sequence based at least in part on the first power level,

transmit the PSS sequence based at least in part on the first power level and transmit the SSS sequence based at least in part on a second power level,

transmit the PSS sequence based at least in part on a first waveform and transmit the SSS sequence based at least in part on the first waveform, or

transmit the PSS sequence based at least in part on the first waveform and transmit the SSS sequence based at least in part on a second waveform.

11 . The apparatus of claim 1 , wherein the PSS burst is void of an SSS and a physical broadcast channel (PBCH), wherein the SSS burst is void of a PSS, and wherein the SSS burst comprises an SSS and the PBCH.

12 . An apparatus for wireless communication at a user equipment (UE), comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured, individually or collectively, to cause the UE to:

receive, based at least in part on a first transmission, a primary synchronization signal (PSS) burst; and

receive, based at least in part on a second transmission, a secondary synchronization signal (SSS) burst, the second transmission being non-overlapping in a time domain with the first transmission, wherein a quantity of PSS sequence repetitions of the PSS burst is equal to a quantity of PSS communication beams, and wherein a quantity of SSS sequence repetitions of the SSS burst is equal to a quantity of SSS communication beams, wherein the quantity of PSS sequence repetitions is different from the quantity of SSS sequence repetitions, wherein the quantity of PSS communication beams is different from the quantity of SSS communication beams, wherein the PSS communication beams comprise PSS receive beams, and wherein the SSS communication beams comprise SSS receive beams.

13 . The apparatus of claim 12 , wherein the PSS burst comprises at least one of:

a first plurality of symbols that are consecutive in the time domain, or

a first plurality of time slots that are consecutive in the time domain,

wherein the SSS burst comprises at least one of:

a second plurality of symbols that are consecutive in the time domain, or

a second plurality of time slots that are consecutive in the time domain, and

wherein the PSS burst is non-contiguous with the SSS burst based at least in part on at least one of:

the first plurality of symbols being disjointed from the second plurality of symbols in the time domain, or

the first plurality of time slots being disjointed from the second plurality of time slots in the time domain.

14 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the UE to:

recover, from the SSS burst, a cell identifier (ID) without using the PSS burst.

15 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the UE to:

generate, based at least in part on the SSS burst, a Layer 1 measurement metric or a Layer 3 measurement metric.

16 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the UE to:

maintain communication with a serving cell during a first duration associated with receiving the PSS burst from a non-serving cell; and

suspend the communication with the serving cell during a second duration associated with receiving the SSS burst from the non-serving cell.

17 . The apparatus of claim 12 , wherein the SSS burst comprises at least one SSS and at least one physical broadcast channel (PBCH), and

wherein the one or more processors are further configured to cause the UE to:

generate a channel estimation based at least in part on the at least one SSS; and

recover information from the PBCH based at least in part on the channel estimation.

18 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the UE to:

derive at least one spatial relationship or form one or more beams for one or more communication channels associated with a transmission channel indicator (TCI) state based at least in part on using at least one PSS included in the PSS burst as a reference signal; and

communicate with a network node or another device based at least in part on beamforming the one or more communication channels and a quasi-co-located (QCL) transmission associated with the TCI state.

19 . The apparatus of claim 12 , wherein the one or more processors are further configured to cause the UE to:

derive at least one spatial relationship or form one or more beams for one or more communication channels associated with a transmission channel indicator (TCI) state based at least in part on using at least one SSS included in the SSS burst as a reference signal; and

communicate with a network node or another device based at least in part on beamforming the one or more communication channels and a quasi-co-located (QCL) transmission associated with the TCI state.

20 . The apparatus of claim 12 , wherein the PSS burst includes at least two PSS sequence repetitions, and

wherein the one or more processors, to cause the UE to receive the PSS burst, are configured to cause the UE to:

receive the at least two PSS sequence repetitions in a same time slot.

21 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, at least one SSS transmit beam associated with transmitting the SSS burst; and

receive, in the SSS block of the SSS burst, at least one physical broadcast channel (PBCH) based at least in part on a PBCH transmit beam.

22 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, an SSS based at least in part on an SSS transmit beam; and

receive, in the SSS block of the SSS burst, at least one physical broadcast channel (PBCH) based at least in part on the SSS transmit beam.

23 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on the SSS and the PBCH being multiplexed in a frequency domain.

24 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on the SSS and the PBCH being multiplexed in the time domain.

25 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on the SSS and the PBCH being multiplexed in a frequency domain and the time domain.

26 . The apparatus of claim 12 , wherein the one or more processors, to cause the UE to receive the SSS burst, are configured to cause the UE to:

receive, in an SSS block of the SSS burst, an SSS and a physical broadcast channel (PBCH) based at least in part on the SSS and the PBCH being interlaced in a frequency domain and the time domain.

27 . A method of wireless communication performed by a network node, comprising:

transmitting, based at least in part on a first transmission, a primary synchronization signal (PSS) burst; and

transmitting, based at least in part on a second transmission, a secondary synchronization signal (SSS) burst, the second transmission being non-overlapping in a time domain with the first transmission, wherein a quantity of PSS sequence repetitions of the PSS burst is equal to a quantity of PSS communication beams, and wherein a quantity of SSS sequence repetitions of the SSS burst is equal to a quantity of SSS communication beams, wherein the quantity of PSS sequence repetitions is different from the quantity of SSS sequence repetitions, wherein the quantity of PSS communication beams is different from the quantity of SSS communication beams, wherein the PSS communication beams comprise PSS transmit beams, and wherein the SSS communication beams comprise SSS transmit beams.

28 . The method of claim 27 , wherein the PSS burst comprises at least one of:

a first plurality of symbols that are consecutive in the time domain, or

a first plurality of time slots that are consecutive in the time domain,

wherein the SSS burst comprises at least one of:

a second plurality of symbols that are consecutive in the time domain, or

a second plurality of time slots that are consecutive in the time domain, and

wherein the PSS burst is non-contiguous with the SSS burst based at least in part on at least one of:

the first plurality of symbols being disjointed from the second plurality of symbols in the time domain, or

the first plurality of time slots being disjointed from the second plurality of time slots in the time domain.

29 . The method of claim 27 , wherein transmitting the PSS burst comprises transmitting the PSS burst based at least in part on a first periodicity, and

wherein transmitting the SSS burst comprises transmitting the SSS burst based at least in part on a second periodicity.

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

receiving, based at least in part on a first transmission, a primary synchronization signal (PSS) burst; and

receiving, based at least in part on a second transmission, a secondary synchronization signal (SSS) burst, the second transmission being non-overlapping in a time domain with the first transmission, wherein a quantity of PSS sequence repetitions of the PSS burst is equal to a quantity of PSS communication beams, and wherein a quantity of SSS sequence repetitions of the SSS burst is equal to a quantity of SSS communication beams, wherein the quantity of PSS sequence repetitions is different from the quantity of SSS sequence repetitions, wherein the quantity of PSS communication beams is different from the quantity of SSS communication beams, wherein the PSS communication beams comprise PSS receive beams, and wherein the SSS communication beams comprise SSS receive beams.