User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-108.11.199.89-20120427171839/@comment-1758220-20120427183405

Ad-hoc party does. It's an application for PS3 which allows you to play your PSP games with ful online capability. Ad-hoc multiplayer refers to a connection between two PSPs, and so does not require a PS3.