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    • 8. 发明授权
    • RADIO COMMUNICATION SYSTEM
    • 无线电通信系统
    • EP0941585B1
    • 2005-09-28
    • EP98922999.2
    • 1998-06-11
    • Koninklijke Philips Electronics N.V.
    • MOULSLEY, Timothy, James
    • H04B7/02
    • H04L1/08H04L1/0007H04L1/0071H04L1/06
    • A method of operating a radio communication system uses multicarrier modulation for transmission of data between two or more stations. In the transmitter, multiple copies of parts of an input data stream can be generated by a repeater (204) to enable the application of variable degrees of diversity to different parts of the data. The diversity is applied by controlling the algorithm used by an interleaver (210) before the data is modulated (216), placed onto multiple carriers by an inverse fast Fourier transform (220) and transmitted (226). In the receiver, the multiple carriers are received (302), data is recovered from all the carriers by a fast Fourier transform (308) then demodulated (310). A de-interleaver (316) is controlled to use the same algorithm as the transmitter, copies of parts of the data stream are recombined (322) and an output bitstream is generated.
    • 一种操作无线电通信系统的方法使用多载波调制来在两个或更多个站之间传输数据。 在发射机中,中继器(204)可以生成输入数据流的多个部分的副本,以使得可以对数据的不同部分应用可变程度的分集。 通过在数据被调制(216)之前控制由交织器(210)使用的算法,通过快速傅立叶逆变换(220)将其放置到多个载波上并发送(226)来应用分集。 在接收机中,接收多载波(302),通过快速傅立叶变换(308)从所有载波中恢复数据,然后解调(310)。 控制去交织器(316)以使用与发射机相同的算法,将数据流的部分的副本重新组合(322)并产生输出比特流。