发明授权
- 专利标题: Receiver for receiving a spectrum dispersion signal
- 专利标题(中): 用于接收频谱色散信号的接收器
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申请号: US12275309申请日: 2008-11-21
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公开(公告)号: US08130816B2公开(公告)日: 2012-03-06
- 发明人: Shigeyuki Sudo , Osamu Hasegawa , Toshiya Eguchi
- 申请人: Shigeyuki Sudo , Osamu Hasegawa , Toshiya Eguchi
- 申请人地址: KR Suwon-si
- 专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人地址: KR Suwon-si
- 代理机构: Jefferson IP Law, LLP
- 优先权: JP10-085485 19980331
- 主分类号: H04B1/00
- IPC分类号: H04B1/00
摘要:
A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces 0V(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
公开/授权文献
- US20090074035A1 Receiver for Receiving a Spectrum Dispersion Signal 公开/授权日:2009-03-19
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