Patent ID: 9210719
Filing Date: 2015-12-08
Classification: H04L,H04W

Abstract:
1. A method for accessing a medium by a multi-channel device, in which the medium comprises a transmission system having at least two channels, the method comprising: recognizing an idle state and a back-off state; determining whether the idle state or the back-off state is underway on each channel of the at least two channels that are an object of channel grouping, transmitting a message including a preamble and header (PR) and a control section on each channel determined to be either idle or having the back-off underway of the at least two channels that are an object of channel grouping to reserve the at least two channels, such that a single channel device detects the preamble and header and performs a process according to control information included in the control section, wherein the preamble and header (PR) are repeated in parallel on the at least two channels.