Self-Similarity GRUI, BenAbdelkader C, Cutler RG, Davis LS, Local FRU, Global Features JH, Yuen PC, Lai JH, Li C.  2004.  Improved Multiuser Detectors Employing Genetic Algorithms in a Space-Time Block Coded System, Yinggang Du and Kam Tai Chan. Signal. 2004(5):640-648.