发明名称 |
Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain |
摘要 |
A transmitter compensates for the non-linearities within a transmission chain. The transmitter includes, for instance, a first forming device for forming, on the basis of at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal. The transmitter includes a modifier for modifying the signal characterizing quantities of at least one state expansion vector with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal. The transmitter includes a second forming device for forming a feedback signal from an output signal of a transmission chain. The transmitter includes an adapter for adapting at least one time-domain compensation parameter vector for adapting at least one frequency-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal.
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申请公布号 |
US2004171358(A1) |
申请公布日期 |
2004.09.02 |
申请号 |
US20030630975 |
申请日期 |
2003.07.31 |
申请人 |
KARJALAINEN MIIA;SAARINEN SAMU;HEINIKOSKI KAUKO;TOLONEN TEEMU;YLINEN JUHA;SUONPERA JANI;LEHTINEN RISTO |
发明人 |
KARJALAINEN MIIA;SAARINEN SAMU;HEINIKOSKI KAUKO;TOLONEN TEEMU;YLINEN JUHA;SUONPERA JANI;LEHTINEN RISTO |
分类号 |
H04B1/04;(IPC1-7):H04B1/02 |
主分类号 |
H04B1/04 |
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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