
Agilent PXT Wireless Communications Test Set
User’s Guide
89
CFI
The Control Format Indicator (CFI) sets the number of OFDM symbols used for the PDCCHs in a subframe.
Transmission Bandwidth Configuration
Number of PDCCH Symbols per Subframe
The CFI is mapped to the Physical Control Format Indicator Channel (PCFICH) in the physical layer.
Mode > BSE > Mode Setup > More > PHY Settings
CFI (Normal SF)
The Control Format Indicator (CFI) sets the number of OFDM symbols used for the PDCCHs in a subframe,
that is reserved for downlink transmission.
Transmission Bandwidth Configuration
Number of PDCCH Symbols per Subframe
1
1. ≤ 10 RB is currently not supported as this is 1.4 MHz BW.
The CFI is mapped to the Physical Control Format Indicator Channel (PCFICH) in the physical layer.
Mode > BSE > Mode Setup > More > PHY Settings
CFI (Special SF)
The Control Format Indicator (CFI) sets the number of OFDM symbols used for the PDCCHs in a special
subframe.
See the CFI (Normal SF)
table above for reference.
Mode > BSE > Mode Setup> More > PHY Settings
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