Before revision: However, if selective repeat is to be used, the requirement that nt+nr ≤ 8 must be maintained; if wr is increased to 3 , wt must be decreased to 6.
After revision: However, if selective repeat is to be used, the requirement that nt+nr ≤ 8 must be maintained; if wr is increased to 2 , wt must be decreased to 6.