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Title:
DEVICE FOR GENERATING A PLURALITY OF CODE SERIES SIMULTANEOUSLY AND CDMA RADIO RECEIVER COMPRISING THE DEVICE
Document Type and Number:
WIPO Patent Application WO/1999/026369
Kind Code:
A1
Abstract:
The outputs of a plurality of shift stages (S1, S2 and S4) of an M-series generator (31A) are subjected to EOR (XR11 and XR12) and the output code of the generator (31A) is delayed by required bits, for example, 3 bits, to generate a 3-bit delay M-series. In a similar way, the outputs of a plurality of shift stages are combined and subjected to EOR to generate another delayed M-series. The outputs of simultaneous delayed code generators (31) and the output of another M-series generator (32) are subjected to EOR to generate a plurality of gold code series simultaneously.

Inventors:
Ogawa, Shinsuke (B-109 Lions Mansion Shin-Yokohama 164-13, Sanmai-cho Kanagawa-ku Yokohama-shi Kanagawa, 221-0862, JP)
Takagi, Hirofumi (9-2-11-B-105, Sugita Isogo-ku Yokohama-shi Kanagawa, 235-0033, JP)
Higashi, Akihiro (5-306, 2-1-3, Hayashi Yokosuka-shi Kanagawa, 238-0315, JP)
Application Number:
PCT/JP1998/005225
Publication Date:
May 27, 1999
Filing Date:
November 19, 1998
Export Citation:
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Assignee:
NTT MOBILE COMMUNICATIONS NETWORK INC. (10-1, Toranomon 2-chome Minato-ku Tokyo, 105-8436, JP)
Ogawa, Shinsuke (B-109 Lions Mansion Shin-Yokohama 164-13, Sanmai-cho Kanagawa-ku Yokohama-shi Kanagawa, 221-0862, JP)
Takagi, Hirofumi (9-2-11-B-105, Sugita Isogo-ku Yokohama-shi Kanagawa, 235-0033, JP)
Higashi, Akihiro (5-306, 2-1-3, Hayashi Yokosuka-shi Kanagawa, 238-0315, JP)
International Classes:
H03K3/84; H03K19/20; H03M7/00; H04B1/707; H04B7/26; H04J13/00; H04J13/02; H04J13/04; H04K1/00; (IPC1-7): H04J13/00
Foreign References:
JPS5947833A1984-03-17
JPS60177719A1985-09-11
JPS60176322A1985-09-10
Other References:
See also references of EP 0963070A1
Attorney, Agent or Firm:
Kusano, Takashi (Sagami Building 2-21, Shinjuku 4-chome Shinjuku-ku Tokyo, 160-0022, JP)
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