Mobile communication method using CDMA multiplexing...

Details Mobile communication method using CDMA multiplexing... Mobile communication method using CDMA multiplexing...

2006-02-28

2006-02-28

Vu, Huy D. (Department: 2665)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S342000

Reexamination Certificate

active

07006475

ABSTRACT:
On the side of a mobile station, interference of a perch channel with call control information or a traffic channel is reduced, realizing stable communication. In a method of CDMA communication in which communication is made through the traffic channel for transmitting user data and the perch channel for transmitting a spreading code used for demodulation of the user data, the traffic channel has a call control channel subjected to the time division multiplex, and that call control channel and a part of the perch channel, which is non-orthogonal to the call control channel, are arranged not to overlap with each other in a time base.

REFERENCES:
patent: 5515378 (1996-05-01), Roy et al.
patent: 6782035 (2004-08-01), Nakamura et al.
patent: 9271071 (1997-10-01), None
patent: 10126331 (1998-05-01), None
K. Higuchi, “Two-Stage Rapid Long Code Acquisition Scheme in DS-CDMA Asynchronous Cellular System” NTT Mobile Communications Network Inc., The Institute of Electronics Information and Communication Engineers, Technical Report of IEICE CS96-19 (May 1996), pp. 27-32.

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