A system utilizing a transmitter emitting a unique signal and a base station receiver having a database of household members is used to ascertain the identity of household members who are home at any particular time. Replica members, independent from the nodes, maintain cluster operational data. The communication interface serves to provide real-time transmission of communication data or communication signals between the computer device and an inputoutput device of the mobile terminal device. The positioning material is hardened to support the elongate rods in the longitudinally extending grooves to define a plurality of inwardly extending splines in the female splined member. Then cross-carrier scheduling is sent on a primary cell PCell to schedule a frequency hopping FH resource block hi on the ith license-exempt channel wi.