Patent ID: 7580386
Filing Date: 2009-08-25
Classification: H04B,H04W

Abstract:
1. A method comprising: scheduling a first frame for wireless communications between a first device and a third device in a first network; and scheduling a second frame for wireless communications between a second device and the third device in a second network, wherein the third device is a member of both the first and second networks; wherein the first frame includes a first portion for transmitting a first preamble from the first device to the third device, a second portion in which the first device is not to transmit, a third portion for transmitting from the third device to the first device, and a fourth portion in which the first device is to ignore any received transmissions; wherein the second frame includes a fifth portion for transmitting a second preamble from the third device to the second device, a sixth portion in which the second device is not to transmit, a seventh portion for transmitting from the second device to the third device, and an eighth portion in which the second device is to ignore any received transmissions; wherein the first and second frames partially overlap in time such that the second portion coincides in time with the fifth portion, the third portion coincides in time with the sixth portion, and the fourth portion coincides in time with the seventh portion.