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1. 发明申请

US20100041360A1 Evolved EDGE Receiver 失效
标题翻译：演进的EDGE接收器
公开(公告)号：US20100041360A1
公开(公告)日：2010-02-18
申请号：US12190052
申请日：2008-08-12
申请人： William O. Camp, JR. , Toby John Bown , Leland Scott Bloebaum
发明人： William O. Camp, JR. , Toby John Bown , Leland Scott Bloebaum
IPC分类号： H04B1/26
CPC分类号： H04B1/30
摘要： The wireless receiver of the present invention accommodates dual-carrier Evolved EDGE without significantly impacting existing receiver architectures. The inventive receiver comprises a shared local oscillator and two image-rejecting downconverters. The local oscillator generates a local oscillator frequency between two carrier frequencies of adjacent radio channels. The receiver receives a signal in each of the adjacent radio channels. In a dual-carrier mode, a first image-rejecting downconverter uses the local oscillator frequency to downconvert a first signal received in the first radio channel while rejecting a second signal received in the second radio channel. A second image-rejecting downconverter uses the local oscillator frequency to downconvert the second signal while rejecting the first signal. In a diversity mode, the first and second image-rejecting downconverters use the local oscillator frequency to downconvert the signal received in one of the radio channels while rejecting the signal received in the other radio channel.
摘要翻译：本发明的无线接收机容纳双载波演进EDGE，而不会显着影响现有的接收机架构。本发明的接收机包括共享本地振荡器和两个图像拒绝下变频器。本地振荡器在相邻无线电信道的两个载波频率之间产生本地振荡器频率。接收机在每个相邻无线电信道中接收信号。在双载波模式中，第一图像拒绝下变频器使用本地振荡器频率来下变频在第一无线电信道中接收的第一信号，同时拒绝在第二无线电信道中接收的第二信号。第二个图像拒绝下变频器使用本地振荡器频率来下转换第二信号，同时拒绝第一个信号。在分集模式中，第一和第二图像拒绝下变频器使用本地振荡器频率来下变频在一个无线电信道中接收的信号，同时拒绝在另一无线信道中接收的信号。

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