Patent ID: 7907577

Claim:
A communication network comprising: a first wired subnet and a second wired subnet; a first wired access point connected to the first wired subnet; a second wired access point connected to the second wired subnet; a plurality of intermediate wireless routers that provide a wireless communication pathway between the first wired access point and the second wired access point, the plurality of intermediate wireless routers being organized to form one or more wireless communication pathways; and a plurality of roaming mobile wireless communication devices operatively coupled to the plurality of intermediate wireless routers, wherein the roaming mobile wireless communication devices wirelessly communicate with each other over the one or more wireless communication pathways, wherein at least one of the plurality of intermediate wireless routers periodically broadcasts wirelessly a message, and wherein any of the plurality of intermediate wireless routers and the plurality of roaming mobile wireless communication devices can communicate with any other of the plurality of intermediate wireless routers and the plurality of roaming mobile wireless communication devices.