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Table 1 The TFCs in specification [1]

From: A power-efficient synchronization scheme for the MB-OFDM-based UWB systems

TFC number Preamble pattern Time-frequency code
1 1 1 2 3 1 2 3
2 2 1 3 2 1 3 2
3 3 1 1 2 2 3 3
4 4 1 1 3 3 2 2
5 1 1 2 1 2 1 2
6 2 1 1 1 2 2 2