OLR-MMSE Channel Estimator for MIMO-OFDM systems

The need for wireless connections with different systems and devices has been growing spectacularly in the past several years. In particular, there is a need to access high speed wireless internet to exchange media such as photos, music and video. Mobile Communication Systems are often categorized as different generations depending on the services offered. The first generation comprises the analog frequency division multiple access (FDMA) systems such as the NMT and AMPS (Advanced Mobile Phone Services)