- 专利标题: Multi-channel digital transceiver and method
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申请号: US366283申请日: 1994-12-29
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公开(公告)号: US5579341A公开(公告)日: 1996-11-26
- 发明人: Paul F. Smith , John M. Smith , Alan P. Rottinghaus , Shelia M. Rader , Danny T. Pinckley , Yuda Y. Luz , Daniel M. Lurey , Kevin M. Laird , Tony Kobrinetz , Robert C. Elder , Donald E. Bailey
- 申请人: Paul F. Smith , John M. Smith , Alan P. Rottinghaus , Shelia M. Rader , Danny T. Pinckley , Yuda Y. Luz , Daniel M. Lurey , Kevin M. Laird , Tony Kobrinetz , Robert C. Elder , Donald E. Bailey
- 申请人地址: IL Schaumburg
- 专利权人: Motorola, Inc.
- 当前专利权人: Motorola, Inc.
- 当前专利权人地址: IL Schaumburg
- 主分类号: H03D7/00
- IPC分类号: H03D7/00 ; H01Q1/24 ; H01Q3/26 ; H03B28/00 ; H03C1/00 ; H03C3/00 ; H03D7/16 ; H04B1/04 ; H04B1/16 ; H04B1/26 ; H04B1/28 ; H04B1/38 ; H04B1/40 ; H04B7/04 ; H04B7/06 ; H04B7/08 ; H04B7/185 ; H04B7/24 ; H04L1/06 ; H04L1/22 ; H04L27/20 ; H04W4/18 ; H04W88/06 ; H04B7/02
摘要:
A multi-channel digital transceiver (400) receives uplink radio frequency signals and converts these signals to digital intermediate frequency signals. Digital signal processing, including a digital converter module (426), is employed to select digital intermediate frequency signals received at a plurality of antennas (412) and to convert these signals to baseband signals. The baseband signals are processed to recover a communication channel therefrom. Downlink baseband signals are also processed and digital signal processing within the digital converter module (426) up converters and modulates the downlink baseband signals to digital intermediate frequency signals. The digital intermediate frequency signals are converted to analog radio frequency signals, amplified and radiated from transmit antennas (420).