Why there is more subcarriers in Downlink than Uplink?

[Neel_Soni]

Hi Experts.
Any one know why is there 1 more sub carrier in DL compared to UL?

[Hainm]

DC sub-carrier.

[onkar.ghatpande]

The necessity of null subcarrier in OFDM?

[Neel_Soni]

Guys Thanks for the reply