Transcription of White Paper: Beamformer Explained - CommScope
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Beamformers ExplainedDr. Mohamed Nadder Hamdy, Beamformers ExplainedTable of ContentsThe rise of beamformers .. 2 Chapter 1: Beam management procedures .. 3 Idle mode beam management .. 3 Synchronization signals .. 3 Initial access .. 4 Connected mode beam management .. 5 Reference signals .. 5 Connected mode procedures .. 6 Chapter 2: Beamformers basics .. 8 Phased arrays beamforming .. 8 Antenna elements .. 8 Antenna array patterns .. 8 Analog and digital beamforming.
Unlike LTE, 3GPP defines a directional version of synchronization signals for 5G NR. This plays an important role in beam management. Synchronization signals PSS, SSS, and PBCH are sent over SS blocks, which in turn are embedded inside larger SS bursts (Figure 1). Each SS block in a burst is mapped to a certain angular direction.
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