Invention Grant
US07035601B2 Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain 有权
数据传输方法,基站和发射机,用于补偿传输链中的非线性

Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
Abstract:
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.
Information query
Patent Agency Ranking
0/0