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Table 1 Specifications for the standards considered in this article using OFDM as modulation technique [7].

From: State of the art baseband DSP platforms for Software Defined Radio: A survey

  DVB-T 802.11 a/g WiMAX 3GPP-LTE E-UTRA
Carrier frequency (GHz) 0.4-0.8 2.5, 5.8 2-11 2
Bandwidth (MHz) 6, 7, 8 20 1.5-28 1.25 2.5 5 15 15 20
FFT size 8192 2048 64 256 128 256 512 1536 1536 2048
Used subcarriers 6817 1705 52 200 76 151 301 901 901 1201
FFT period (μs) 896 224 3.2 8 (2 MHz channel) 66.7
Constellation QPSK, 16QAM, 64QAM BPSK, QPSK, 16QAM, 64QAM BPSK, QPSK, 16QAM, 64QAM QPSK, 16QAM, 64QAM
Maximum data rate (bps) 31.67 M (8 MHz channel) 54 M 104.7 M (28 MHz channel) >100 M (20 MHz channel)
Power requirement Power consumption for baseband processing in a mobile handset must be within 1 W [44]