发明名称 |
APPROXIMATED MMSE-BASED CHANNEL ESTIMATOR IN A MOBILE COMMUNICATION SYSTEM |
摘要 |
Channel estimation is performed in a mobile communications system. In order to reduce the computational load, and thereby decrease power consumption, a polynomial expression is used to approximate a Minimum Mean Squared Error (MMSE) based channel estimator with respect to Doppler and SIR variations. A lookup table may be used to supply coefficients for the polynomial expression. In another aspect of the invention, coefficients for the polynomial expression may, themselves, be approximated by a second polynomial expression. |
申请公布号 |
EP1151553(B1) |
申请公布日期 |
2003.05.02 |
申请号 |
EP20000908159 |
申请日期 |
2000.02.04 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
LINDOFF, BENGT;OESTBERG, CHRISTER |
分类号 |
H04B3/04;H04B7/005;H04B7/01;H04B7/26;H04L25/02 |
主分类号 |
H04B3/04 |
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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