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1. 发明授权

EP0589683B1 Method for frequency comb spread spectrum modulation 失效
标题翻译：频率梳扩频调制方法
公开(公告)号：EP0589683B1
公开(公告)日：1999-06-09
申请号：EP93307485.8
申请日：1993-09-22
申请人： CANON KABUSHIKI KAISHA
发明人： White, Peter John
IPC分类号： H04B1/66
CPC分类号： H04J11/0023 , H04B1/69 , H04L5/026

2. 发明公开

EP0757464A3 QAM spread spectrum demodulation system 失效
标题翻译： QAM扩频解调系统
公开(公告)号：EP0757464A3
公开(公告)日：1997-02-12
申请号：EP96401708.1
申请日：1996-07-31
申请人： CANON KABUSHIKI KAISHA
发明人： White, Peter John
IPC分类号： H04L27/38
CPC分类号： H04L27/3872 , H03D3/009
摘要： A demodulation arrangement is disclosed which comprises a mixing circuit for deriving in-phase (I) and quadrature (Q) signals in a digital form from a received signal. The I and Q signals can then be input to a look-up table configured to output at least a data output value corresponding to a symbol constellation point and a corresponding phase output value, both selectable using. A phase processor is arranged to receive the phase output value and to calculate a phase angle value of the received signal. The phase angle value is returned as a further input to the look-up table to supplement the I and Q signals for selection of at least the data output value.
摘要翻译：公开了一种解调装置，其包括用于从接收信号中导出数字形式的同相（I）和正交（Q）信号的混合电路。 I和Q信号然后可以被输入到查找表，该查找表被配置为输出至少与符号星座点相对应的数据输出值和对应的相位输出值，两者均可使用选择。相位处理器被布置成接收相位输出值并且计算接收到的信号的相位角值。相位角值作为对查询表的进一步输入返回，以补充I和Q信号以至少选择数据输出值。

3. 发明公开

EP0757464A2 QAM spread spectrum demodulation system 失效
标题翻译：解调器fOF二次垂直调制（QAM）扩频信号
公开(公告)号：EP0757464A2
公开(公告)日：1997-02-05
申请号：EP96401708.1
申请日：1996-07-31
申请人： CANON KABUSHIKI KAISHA
发明人： White, Peter John
IPC分类号： H04L27/38
CPC分类号： H04L27/3872 , H03D3/009
摘要： A demodulation arrangement is disclosed which comprises a mixing circuit for deriving in-phase (I) and quadrature (Q) signals in a digital form from a received signal. The I and Q signals can then be input to a look-up table configured to output at least a data output value corresponding to a symbol constellation point and a corresponding phase output value, both selectable using. A phase processor is arranged to receive the phase output value and to calculate a phase angle value of the received signal. The phase angle value is returned as a further input to the look-up table to supplement the I and Q signals for selection of at least the data output value.
摘要翻译：公开了一种解调装置，其包括用于从接收信号导出数字形式的同相（I）和正交（Q）信号的混合电路。然后可以将I和Q信号输入到被配置为输出至少一个数据输出值的查找表，该数据输出值对应于符号星座点和相应的相位输出值，两者均可选择使用。相位处理器被布置成接收相位输出值并计算接收信号的相位角值。返回相位角值作为查询表的另一输入，以补充用于选择至少数据输出值的I和Q信号。

4. 发明公开

EP0589683A1 Method for frequency comb spread spectrum modulation 失效
标题翻译：频率梳扩频调制方法
公开(公告)号：EP0589683A1
公开(公告)日：1994-03-30
申请号：EP93307485.8
申请日：1993-09-22
申请人： CANON KABUSHIKI KAISHA
发明人： White, Peter John
IPC分类号： H04B1/66
CPC分类号： H04J11/0023 , H04B1/69 , H04L5/026
摘要： The invention concerns spread spectrum modulation and is particularly, though not exclusively suitable for wireless local area networks (LANs). Input signals can be spread using a waveform comprising a plurality of spaced substantially equal amplitude signals which are encoded. The spreading waveform can comprise a plurality of spaced, substantially equal amplitude signals generated by reference to a look up table.
摘要翻译：本发明涉及扩频调制，并且尤其是但不专门适用于无线局域网（LAN）。输入信号可以使用包括多个间隔的基本相等的幅度信号的波形进行扩展，所述信号被编码。扩展波形可以包括参考查找表生成的多个间隔的，基本相等的幅度信号。

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