Key Challenges Misaligned objectives for users and network operators Users want better throughput Operators want better resource utilization Both the femto-cells and the users are randomly distributed Require a global view to fully optimize the system Mobile devices move all the time One device usually only associates with one basestation 日14回”1三”11至分风C 6/1Key Challenges • Misaligned objectives for users and network operators - Users want better throughput - Operators want better resource utilization • Both the femto-cells and the users are randomly distributed • Require a global view to fully optimize the system • Mobile devices move all the time • One device usually only associates with one basestation 6/1