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A PBCH Reception Algorithm in 5G Broadcasting

For improving the robustness of signaling reception in 5G broadcasting, a Physical Broadcast Channel (PBCH) enhancement scheme was introduced in 3GPP Release 16 protocol. However, due to changes in PBCH structure, traditional PBCH reception algorithms may not work well in 5G Rel-16 broadcasting. In this paper, a PBCH reception algorithm is proposed for 5G broadcasting, which includes a joint channel estimation (CHE) algorithm based on Primary/Secondary Synchronization Signal (PSS/SSS) and Cell Reference Signal (CRS), an adaptive equalization, and a maximum ratio combine (MRC) inverse repetition algorithm. The simulation results show that the proposed PBCH reception algorithm outperforms conventional algorithms, especially in challenging scenarios with low SNR, large frequency offset, and high speed.