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Table 3 TD-LTE downlink parameters

From: Radio environment map-based cognitive Doppler spread compensation algorithms for high-speed rail broadband mobile communications

Parameters

Values

Transmission bandwidth

10 MHz

Sub-carrier spacing

15 kHz

Frame length

10 ms

Sampling frequency

15.36 MHz

FFT size

1024

Number of data sub-carriers

601 (including DC sub-carrier)

OFDM symbol duration

66.67 μs

Total symbol time duration

71.4 μs (normal CP)

Symbols per slot

7

Number of protection sub-carriers

212 (left side), 211 (right side)

Modulation schemes

16QAM

Carrier frequency

2.6 GHz