A user equipment, UE, for receiving signals on an unlicensed spectrum in a wireless communication system, the UE comprising: a transceiver; and a processor operably connected to the transceiver, the processor configured to: receive, from a base station, BS, an enhanced synchronization signal and physical broadcast channel, eSS/PBCH, block comprising multiple consecutive symbols, wherein the multiple consecutive symbols of the eSS/PBCH block are transmitted from a same antenna port of the BS, determine resources for the eSS/PBCH block, and detect the eSS/PBCH block based on the determined resources, wherein the eSS/PBCH block includes a primary synchronization signal, PSS, an enhanced primary synchronization signal, ePSS, a secondary synchronization signal, SSS, an enhanced secondary synchronization signal, eSSS, a PBCH, and an enhanced PBCH, ePBCH, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the ePSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the PSS, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the eSSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the SSS, and wherein the ePBCH is fully mapped to more than 3 consecutive symbols in the eSS/PBCH block. a transceiver; and a processor operably connected to the transceiver, the processor configured to: receive, from a base station, BS, an enhanced synchronization signal and physical broadcast channel, eSS/PBCH, block comprising multiple consecutive symbols, wherein the multiple consecutive symbols of the eSS/PBCH block are transmitted from a same antenna port of the BS, determine resources for the eSS/PBCH block, and detect the eSS/PBCH block based on the determined resources, wherein the eSS/PBCH block includes a primary synchronization signal, PSS, an enhanced primary synchronization signal, ePSS, a secondary synchronization signal, SSS, an enhanced secondary synchronization signal, eSSS, a PBCH, and an enhanced PBCH, ePBCH, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the ePSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the PSS, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the eSSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the SSS, and wherein the ePBCH is fully mapped to more than 3 consecutive symbols in the eSS/PBCH block. receive, from a base station, BS, an enhanced synchronization signal and physical broadcast channel, eSS/PBCH, block comprising multiple consecutive symbols, wherein the multiple consecutive symbols of the eSS/PBCH block are transmitted from a same antenna port of the BS, determine resources for the eSS/PBCH block, and detect the eSS/PBCH block based on the determined resources, wherein the eSS/PBCH block includes a primary synchronization signal, PSS, an enhanced primary synchronization signal, ePSS, a secondary synchronization signal, SSS, an enhanced secondary synchronization signal, eSSS, a PBCH, and an enhanced PBCH, ePBCH, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the ePSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the PSS, wherein at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the eSSS is different from at least one of a polynomial, an initial condition, or a cyclic shift set for a sequence to be used for constructing the SSS, and wherein the ePBCH is fully mapped to more than 3 consecutive symbols in the eSS/PBCH block.