公开(公告)号：US20060126752A1

公开(公告)日：2006-06-15

申请号：US11052353

申请日：2005-02-07

申请人： Christopher Hansen ,  Carlos Aldana ,  Joonsuk Kim

发明人： Christopher Hansen ,  Carlos Aldana ,  Joonsuk Kim

IPC分类号： H04L1/02 ,  H04B7/02

CPC分类号： H04B7/0417 ,  H04B7/0426 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0634 ,  H04B7/0663 ,  H04B7/0689 ,  H04B7/0691 ,  H04L1/0001 ,  H04L1/0025 ,  H04L1/0028 ,  H04L1/0029 ,  H04L1/06 ,  H04L1/0681 ,  H04L1/0693

摘要： A method and system for frame formats for MIMO channel measurement exchange is provided. Aspects of a method for communicating information in a communication system may comprise transmitting data via a plurality of radio frequency (RF) channels utilizing a plurality of transmitting antenna, receiving feedback information via at least one of a plurality of RF channels, and modifying a transmission mode based on the feedback information. Aspects of a method for communicating information in a communication system may also comprise receiving data via a plurality of receiving antenna, transmitting feedback information via at least one of the plurality of RF channels, and requesting modification of a transmission mode for the received data in transmitted response messages comprising the feedback information.

公开(公告)号：US20050226142A1

公开(公告)日：2005-10-13

申请号：US11021266

申请日：2004-12-23

申请人： Rajendra Moorti ,  Christopher Young ,  Carlos Aldana

发明人： Rajendra Moorti ,  Christopher Young ,  Carlos Aldana

IPC分类号： H04B1/707 ,  H04J3/00 ,  H04J11/00

CPC分类号： H04B1/7075

摘要： Methods and systems for processing multiple preambles for a wireless signal are disclosed herein. Aspects of the method may comprise selecting a portion of a preamble, and shifting the selected portion of the preamble to generate a plurality of subsequent preambles. The preamble may comprise a legacy preamble and/or an 802.11(n) preamble. The selected portion of the preamble may comprise a short training sequence. The shifting may comprise circular shifting. The circular shifting may comprise forward circular shifting and/or backwards circular shifting. The generated plurality of subsequent preambles may be transmitted via a plurality of antennas. A phase roll may be added to the selected portion of the preamble to generate the plurality of subsequent preambles.

摘要翻译： 本文公开了用于处理无线信号的多个前同步码的方法和系统。 方法的方面可以包括选择前导码的一部分，以及移动所述前导码的所选部分以生成多个后续前导码。 前导码可以包括传统前导码和/或802.11（n）前导码。 前导码的所选部分可以包括短训练序列。 移位可以包括循环移位。 圆形切换可以包括向前圆形移位和/或向后循环移位。 所生成的多个后续前导码可以经由多个天线发送。 相位卷可以被添加到前导码的选定部分以生成多个后续前导码。