For certain embodiments of the present disclosure, a method and apparatus for generating pilots in a wireless multiple-input multiple output (MIMO) communication system is provided. The method comprises obtaining at least one pilot symbol for each antenna of a plurality of antennas, obtaining an orthogonal...http://www.google.com/patents/US7664193?utm_source=gb-gplus-sharePatent US7664193 - Multiplexing of real time services and non-real time services for OFDM systems
