A service system (40) receives transfer descriptors each specifying parameters of a desired data transfer to/from a mobile entity (20) over a cellular radio infrastructure (10). These parameters include a cost criterion. The service system (20) is responsible for determining the lowest cost way of effecting...http://www.google.com/patents/US20010009855?utm_source=gb-gplus-sharePatent US20010009855 - Cost-sensitive control of data transfer involving a mobile entity
