LTE PHY layer block diagram:-
We can implement LTE Physical layer Block diagram in Matlab .
Frame structure: it is FDD frame which is 10ms divided into 10 subframes each
of 1ms & each subframe is divided into 2 slots of 0.5 ms which carry 6 or 7 OFDM
symbol.
Randomizer:
Combines user data with known synchronization frame data bits.The incoming data is first XOR-ed with the synchronized frame data generated from PN sequence generator.To prevent long sequences of ones and zeros and for synchronization.
FEC(forward error correction):
The system uses 1/3 turbo encoder as a channel coder(with puncturing to change rate) and 24 bit CRC for error detection.
Symbol mapper:
The system uses adaptive modulation (mapping) and the supported modulation schemes are QPSK, 16QAM and 64QAM.
We can implement LTE Physical layer Block diagram in Matlab .
Frame structure: it is FDD frame which is 10ms divided into 10 subframes each
of 1ms & each subframe is divided into 2 slots of 0.5 ms which carry 6 or 7 OFDM
symbol.
Randomizer:
Combines user data with known synchronization frame data bits.The incoming data is first XOR-ed with the synchronized frame data generated from PN sequence generator.To prevent long sequences of ones and zeros and for synchronization.
FEC(forward error correction):
The system uses 1/3 turbo encoder as a channel coder(with puncturing to change rate) and 24 bit CRC for error detection.
Symbol mapper:
The system uses adaptive modulation (mapping) and the supported modulation schemes are QPSK, 16QAM and 64QAM.
