For 8*3freq if you have S888 sites it will be:
MAlist= A(8), B(8), C(8).
SO you can use the following dimensioning:
SectorA ==> MAList(A+B)
SectorB ==>MAList(B+C)
SectorC ==>MAList(C+A)
But the orthognality performance with MAIO will be throug different algorithm.
BR…..