Patent ID: 7675879

Claim:
A communication method for a communication network including a hub and a plurality of user nodes, said method comprising steps of: transmitting first control information for a first frame from the hub to each of the user nodes; transmitting a first data burst in the first frame from a first user node in the user nodes to the hub according to the first control information; transmitting a second data burst in the first frame from a second user node in the user nodes to the hub according to the first control information, a start of the first frame from the first user node and the second user node occurring simultaneously at the hub; transmitting second control information for a second frame from the hub to each of the user nodes after transmitting the first control information from the hub; transmitting a third data burst in the second frame from one of the first and second user nodes to the hub according to the second control information; and receiving the second frame at the hub following the first frame.