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Invention Grant
US09246738B2 Single user and multi-user data unit formats in long-range wireless local area networks (WLANS) 有权
远程无线局域网（WLANS）中的单用户和多用户数据单元格式

Single user and multi-user data unit formats in long-range wireless local area networks (WLANS)
Abstract:
A method includes generating a preamble of a first data unit according to a first format. Generating the preamble of the first data unit according to the first format includes generating a first preamble portion of the first data unit and generating a second preamble portion of the first data unit. The first preamble portion of the first data unit includes information indicating to a receiving device that the first data unit is a single-user data unit, and the second preamble portion of the first data unit follows the first preamble portion of the first data unit. The method also includes applying a beamforming steering matrix to the second preamble portion of the first data unit but not to the first preamble portion of the first data unit.
Abstract(Chinese):

一种方法包括根据第一格式生成第一数据单元的前同步码。 根据第一格式生成第一数据单元的前导码包括生成第一数据单元的第一前导码部分并生成第一数据单元的第二前导码部分。 第一数据单元的第一前导部分包括向接收设备指示第一数据单元是单用户数据单元的信息，并且第一数据单元的第二前导码部分遵循第一数据单元的第一前导码部分。 该方法还包括将波束形成导引矩阵应用于第一数据单元的第二前同步码部分，但不对第一数据单元的第一前导码部分应用。

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