This video talks about LTE Physical Layer and LTE Air Interface. It has explained following topics in the same order as given below:
1. OFDMA
2. LTE frame structure (FDD and TDD)
3. LTE resource grid (Resource Block, Resource Element)
4. Calculation of slot duration
5. Calculation of downlink data rate
6. Downlink physical signals (Reference Signals and Synchronization Signals)
7. SC-FDMA