发明公开
EP2876853A1 Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends
审中-公开
自适应数字Vorverzerrung mit erweiterter Bandbreite mit neukonfigurierbarem analogem前端
- 专利标题: Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends
- 专利标题(中): 自适应数字Vorverzerrung mit erweiterter Bandbreite mit neukonfigurierbarem analogem前端
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申请号: EP14195033.7申请日: 2014-11-26
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公开(公告)号: EP2876853A1公开(公告)日: 2015-05-27
- 发明人: Omer, Mohammed , Devison, Stephen Arnold , Holisaz, Hamed , Kravets, Oleksiy
- 申请人: BlackBerry Limited
- 申请人地址: 2200 University Avenue East Waterloo, ON N2K 0A7 CA
- 专利权人: BlackBerry Limited
- 当前专利权人: BlackBerry Limited
- 当前专利权人地址: 2200 University Avenue East Waterloo, ON N2K 0A7 CA
- 代理机构: Fennell, Gareth Charles
- 优先权: US201314090092 20131126
- 主分类号: H04L27/36
- IPC分类号: H04L27/36 ; H04B17/13
摘要:
A pre-distortion method. A signal to be transmitted Tx is pre-distorted to compensate for nonlinearities of a transmitter. The pre-distorted signal is filtered by an EBEE filter and a baseband filter. The EBEE filter has a filter characteristic of that cancels the baseband filter response over the range of frequencies from a first corner frequency of the baseband filter to a frequency of N*f B where N is a highest order of distortion component being cancelled and f B is the bandwidth of the original signal to be transmitted. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
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