Abstract
We propose a secondary synchronization signal (SSS) for the fifth generation (5G) New Radio (NR) communication systems, which is based on the element-wise multiplication of two BPSK modulated m-sequences with different cyclic shifts encoding the physical cell identity (ID) carried by the NR SSS. We present the details on the generator polynomial selection for the involved m-sequences and the mapping between their cyclic shift values and the cell ID. We also propose a double- threshold detection method which is able to mitigate false cell ID detection. Simulation results are provided to demonstrate the superiority of the proposed NR SSS over the LTE SSS. The proposed NR SSS has been accepted in 3GPP Release 15 technical specification.
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