Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
高データ速度CDMA無線通信システム
Document Type and Number:
Japanese Patent JP4307553
Kind Code:
B2
Abstract:
A method for demodulating a received signal comprising complex multiplying (202,204) the received signal by a complex pseudonoise code to produce a complex pseudonoise despread signal (XI,XQ); filtering (214) the complex pseudonoise despread signal to provide a complex filtered pilot signal; multiplying (210) the complex pseudo-noise despread signal by a first demodulation code to provide a first complex demodulated data signal; and phase rotating and scaling (216,218) the first complex demodulated clara signal in accordance with the complex-filtered pilot signal to provide a first soft decision data.

Inventors:
Oden Walder, Joseph Pee
Joe, You-Chun
Tedman, Edward G. Jr.
Application Number:
JP54306797A
Publication Date:
August 05, 2009
Filing Date:
May 28, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
QUALCOMM INCORPORATED
International Classes:
H04B1/707; H04B7/24; H04B7/26; H04J13/18; H04L1/00; H04W72/04; H04W72/12; H04W84/18; H04J13/00
Domestic Patent References:
JP9181648A
JP9247045A
JP6177853A
JP7023022A
JP8116306A
JP6501349A
Foreign References:
WO1995012937A1
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Toshio Shirane