... BER as a function of SINR in MIMO-OFDM is derived in this section. We consider M-ary square QAM with Graybit mapping. In the work of Rugini and Banelli [11], the BER of SISO-OFDM with frequency ... Zhang,2Mingli You,2 and Ming Lei11Department of Wireless Communications, NEC Laboratories China (NLC), 11th Floor Building A, Innovation Plaza TusPark,Beijing 100084, China2 Research & Innovation ... Communications and NetworkingDnt;mfor the following reception methods: (1)demodulationwithout combining, (2)EGC ,and( 3)MRC.Note that the SINR for each combining scenario (i.e.,without combining,...