发明名称 |
METHOD AND APPARATUS FOR CHANNEL ESTIMATION FOR MULTICARRIER SYSTEMS |
摘要 |
<p>A method and apparatus provide channel estimation for multicarrier systems. A minimum mean-square-error (MMSE) channel estimator makes full use of time-and frequency-domain correlations of the frequency response of timevarying dispersive fading channels. A robust channel estimator that is insensitive to the channel statistics is provided. The robust channel estimator can significantly improve the performance of a multicarrier system such as an orthogonal frequency division multiplexing (OFDM) modulation system in a rapid dispersive fading channel. In addition, the estimation process can employ a new reference generator which can select the source of the reference signal as being a decoded or undecoded signal depending on the correction success rate of the decoder.</p> |
申请公布号 |
CA2273377(A1) |
申请公布日期 |
1999.12.03 |
申请号 |
CA19992273377 |
申请日期 |
1999.05.31 |
申请人 |
AT&T CORP. |
发明人 |
SOLLENBERGER, NELSON RAY;LI, YE;CIMINI, LEONARD JOSEPH JR. |
分类号 |
H04B7/04;H04B17/309;H04Q7/36;(IPC1-7):H04B7/04;H04B17/00 |
主分类号 |
H04B7/04 |
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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