发明名称 |
METHOD AND APPARATUS FOR PREAMBLE TRAINING IN A MULTIPLE ANTENNA COMMUNICATION SYSTEM |
摘要 |
<p>Methods and apparatus are provided for communicating data in a multiple antenna communication system having N transmit antennas. According to one aspect of the invention, a header format includes a legacy preamble having at least one legacy long training field and an extended portion having at least N additional long training fields on each of the N transmit antennas. The N additional long training fields may be tone interleaved across the N transmit antennas and are used for MIMO channel estimation. The extended portion may include a short training field for power estimation. The short training field may be tone interleaved across the N transmit antennas and have an extended duration to support beam steering.</p> |
申请公布号 |
WO2006001898(A1) |
申请公布日期 |
2006.01.05 |
申请号 |
WO2005US14407 |
申请日期 |
2005.04.28 |
申请人 |
AGERE SYSTEMS INC.;MUJTABA, SYED, AON;WANG, XIAOWEN |
发明人 |
MUJTABA, SYED, AON;WANG, XIAOWEN |
分类号 |
H04J99/00;H04B7/06;H04L27/26;(IPC1-7):H04B7/06 |
主分类号 |
H04J99/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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