发明授权
- 专利标题: Iterative decoding and demodulation with feedback attenuation
- 专利标题(中): 具有反馈衰减的迭代解码和解调
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申请号: US12650219申请日: 2009-12-30
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公开(公告)号: US08451952B2公开(公告)日: 2013-05-28
- 发明人: Ali S. Khayrallah , Gregory E. Bottomley , Jung-Fu Cheng
- 申请人: Ali S. Khayrallah , Gregory E. Bottomley , Jung-Fu Cheng
- 申请人地址: SE Stockholm
- 专利权人: Telefonaktiebolaget L M Ericsson (Publ)
- 当前专利权人: Telefonaktiebolaget L M Ericsson (Publ)
- 当前专利权人地址: SE Stockholm
- 主分类号: H04L27/06
- IPC分类号: H04L27/06
摘要:
An iterative demodulator and decoder uses feedback attenuation to maintain proper balance between the demodulator and decoder. Balance is maintained by attenuating the influence of extrinsic information fed back from the decoder to the demodulator to prevent strong decisions by the decoder from overwhelming the demodulator.
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