Title:
DSSS信号を受信する方法及びシステム
Document Type and Number:
Japanese Patent JP5052892
Kind Code:
B2
Abstract:
A method of, and a radio system ( 10, 12 ) for and a low cost receiver ( 12 ) for, receiving a Direct Sequence Spread Spectrum (DSSS) signal uses a channel filter ( 46 ) having a passband narrower than the bandwidth of the DSSS signal. Optionally the channel filter ( 46 ) is scanned incrementally across the bandwidth of the transmitted signal, and an acceptable operating frequency is selected based on a best correlation score. Optionally the bandwidth of the channel filter ( 46 ) may be changed to improve the quality of reception.
Inventors:
Sayers Anthony Dee
Application Number:
JP2006525913A
Publication Date:
October 17, 2012
Filing Date:
August 26, 2004
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H04B1/707; H04B1/26
Domestic Patent References:
JP200294398A | ||||
JP6303213A | ||||
JP200194465A | ||||
JP10327092A | ||||
JP5252135A | ||||
JP2002344352A | ||||
JP2006526911A | ||||
JP2002237767A |
Attorney, Agent or Firm:
Susumu Tsugaru
Fueda Shusen
Takahiro Igarashi
Fueda Shusen
Takahiro Igarashi