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RESOLVING HIDDEN NODE PROBLEM IN SYNCHRONIZED DCF BASED CHANNEL ACCESS IN WLAN
RESOLVING HIDDEN NODE PROBLEM IN SYNCHRONIZED DCF BASED CHANNEL ACCESS IN WLAN
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机译:解决基于DCF的同步DCF通道访问中的隐藏节点问题
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摘要
Embodiments of the invention provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: receiving by a wireless terminal device, a first message from an access point, the first message comprising information indicating a plurality of restricted access windows, each allocated for a different group of terminal devices associated to a wireless network managed by the access point; receiving by the terminal device, a second message from the access point, within a restricted access window of the plurality of restricted access windows, the restricted access window allocated to a group of terminal devices of which the terminal device is a member, the second message comprising information indicating that a communications channel is available; and determining by the terminal device, based on the second message, that the communications channel is not occupied by hidden ones of the terminal devices associated to the network.
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