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Table 4 Rotated constellation effects in term of SNR contributions for the used MISO-SFN configuration, TU6-MISO, and TU6-SFN configurations (in dB)

From: Modeling and performance evaluations of Alamouti technique in a single frequency network for DVB-T2

Antennas number SFN with Rot.cons. SFN without Rot.cons. MISO SFN with Rot.cons. MISO SFN without Rot.cons. TU6 with Rot.cons. TU6 without Rot.cons. TU6 SFN with Rot.cons. TU6 SFN without Rot.cons. TU6 MISO with Rot.cons. TU6 MISO without Rot.cons.
QPSK–2 4.6 5.9 3.4 3.4 5.2 6.4 5.1 6.3 4.4 4.8
16 QAM-2 10.6 11.4 9.1 9.1 / / / / / /
64 QAM-2 15.6 16 13.6 13.6 / / / / / /
256 QAM-2 20.4 20.5 18 17.9 / / / / / /
256 QAM-3 19.6 19.7 18.2 18.2 / / / / / /
256 QAM-4 18.8 18.8 18.9 18.9 / / / / / /
  1. Rot. Cons.,rotated constellation.