COMMUNICATION METHODS AND COMMUNICATION DEVICES
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United States of America Patent
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Aug 27, 2015
app pub date -
Sep 12, 2013
filing date -
Sep 12, 2012
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Abstract
According to various embodiments, a communication method may be provided. The communication method may include: at least one of sending a data unit or receiving a data unit; wherein the data unit is a null-data packet (NDP) and includes at least a physical layer (PHY) header; wherein the PHY header includes a plurality of fields; and wherein the plurality of fields include a sub-type field with at least 3 bits indicating a NDP sub-type of the data unit.
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