发明授权
US6134260A Method and apparatus for frequency acquisition and tracking for DS-SS
CDMA receivers
失效
用于DS-SS CDMA接收机的频率采集和跟踪的方法和装置
- 专利标题： Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
- 专利标题（中）： 用于DS-SS CDMA接收机的频率采集和跟踪的方法和装置
-
申请号： US991770申请日： 1997-12-16
-
公开(公告)号： US6134260A公开(公告)日： 2000-10-17
- 发明人: Gregory E. Bottomley , Raymond L. Toy , Sandeep Chennakeshu , Karl J. Molnar
- 申请人： Gregory E. Bottomley , Raymond L. Toy , Sandeep Chennakeshu , Karl J. Molnar
- 申请人地址： NC Research Triangle Park
- 专利权人： Ericsson Inc.
- 当前专利权人： Ericsson Inc.
- 当前专利权人地址： NC Research Triangle Park
- 主分类号： H04B1/7075
- IPC分类号： H04B1/7075 ; H04B1/7085 ; H04R15/00
摘要：
Systems and methods for frequency acquisition and channel tracking in a direct sequence code division multiple access system are described. Frequency estimates are prepared and refined, which estimates are also used in the channel tracking process.
公开/授权文献
- US5479255A Multispectral signature extraction technique 公开/授权日：1995-12-26
信息查询
