会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Channel response calculation in an OFDM receiver
    • OFDM接收机中的信道响应计算
    • US08040962B2
    • 2011-10-18
    • US12173685
    • 2008-07-15
    • Wee Peng GohJason BeckRaja Gosula
    • Wee Peng GohJason BeckRaja Gosula
    • H04K1/10H04L27/28
    • H04L25/0212H04L27/2647
    • An efficient algorithm is described for use with OFDM receivers that characterizes the impulse response of a communication channel using frequency domain techniques that reduce computational and memory requirements, relative to time-domain cross-correlation methods, without sacrificing algorithm performance. An FFT engine is used to transform a time domain input sequence, the transformed sequence is multiplied by the conjugate of the expected sequence, the product of several sequences is averaged, then the FFT engine transforms the average back to a time domain sequence, the magnitude of which is the impulse response of the channel.
    • 描述了一种有效的算法,用于使用频域技术来表征通信信道的脉冲响应的OFDM接收机,其相对于时域互相关方法,相对于时域互相关方法降低计算和存储器需求,而不牺牲算法性能。 FFT引擎用于对时域输入序列进行变换,将变换后的序列与预期序列的共轭相乘,将几个序列的乘积进行平均,然后FFT引擎将平均值转换为时域序列, 其中是频道的脉冲响应。