A method for wireless communication performed by an apparatus, the method comprising: receiving a first synchronization signal during a first set of resources and a second synchronization signal during a second set of resources, the first and second synchronization signals associated with a cell; determining a first channel estimation for the first synchronization signal and a second channel estimation for the second synchronization signal; obtaining communication information based at least in part on a channel correlation between the first channel estimation and the second channel estimation, wherein the communication information indicates a physical channel timing parameter, a physical channel presence indicator, or a system information parameter, and wherein obtaining the communication information comprises: determining a first channel estimation difference between the first channel estimation and the second channel estimation for a first set of sub-carriers; determining a second channel estimation difference between the first channel estimation and the second channel estimation for a second set of sub-carriers; and determining one or more information bits corresponding to the communication information based at least in part on the first and second channel estimation differences; and communicating , with a base station, based at least in part on the communication information. receiving a first synchronization signal during a first set of resources and a second synchronization signal during a second set of resources, the first and second synchronization signals associated with a cell; determining a first channel estimation for the first synchronization signal and a second channel estimation for the second synchronization signal; obtaining communication information based at least in part on a channel correlation between the first channel estimation and the second channel estimation, wherein the communication information indicates a physical channel timing parameter, a physical channel presence indicator, or a system information parameter, and wherein obtaining the communication information comprises: determining a first channel estimation difference between the first channel estimation and the second channel estimation for a first set of sub-carriers; determining a second channel estimation difference between the first channel estimation and the second channel estimation for a second set of sub-carriers; and determining one or more information bits corresponding to the communication information based at least in part on the first and second channel estimation differences; and determining a first channel estimation difference between the first channel estimation and the second channel estimation for a first set of sub-carriers; determining a second channel estimation difference between the first channel estimation and the second channel estimation for a second set of sub-carriers; and determining one or more information bits corresponding to the communication information based at least in part on the first and second channel estimation differences; and communicating , with a base station, based at least in part on the communication information. <EOS>