发明名称 |
ADAPTIVE LOADING FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEX (OFDM) COMMUNICATION SYSTEMS |
摘要 |
<p>An orthogonal frequency division multiplex (OFDM) transmitter may adaptively load each sub-carrier, buffering less than an OFDM frame in order to reduce hardware requirements and latency. The transmitter may use feedback information from the receiver regarding the quality of the sub-carriers. In addition, combining repetition and puncturing to achieve a desired date rate per class further reduces hardware by simplifying or even eliminating an interleaver. Additional mitigation and even performance enhancement techniques are incorporated to address inter-class boundaries within an OFDM frame, such as introducing transition classes. Channel state information may be reported in various formats including full bitmap, changed subchannels, and reported bad subchannels.</p> |
申请公布号 |
WO2010042761(A1) |
申请公布日期 |
2010.04.15 |
申请号 |
WO2009US60060 |
申请日期 |
2009.10.08 |
申请人 |
QUALCOMM INCORPORATED;CHRABIEH, RABIH;SOLIMAN, SAMIR S.;DURAL, OZGUR |
发明人 |
CHRABIEH, RABIH;SOLIMAN, SAMIR S.;DURAL, OZGUR |
分类号 |
H04L5/00;H04L27/26 |
主分类号 |
H04L5/00 |
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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