Multiplex communications – Wide area network – Packet switching
Patent
1994-03-01
1995-05-30
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
375205, 455 541, H04B 169
Patent
active
054208505
ABSTRACT:
A received signal of a control channel of each cell is despread by each spreading code in a correlation detector. The received level of the despread output in a window, including its peak, is measured in a level measuring part and an interference signal level outside the window is also measured. In a control part the difference or ratio between the measured received level and the interference signal level is obtained as a comparison signal for each spreading code, and the comparison signal is compared in terms of magnitude to thereby determine the visited cell of a mobile station.
REFERENCES:
patent: 5311544 (1994-05-01), Park et al.
Higashi Akihiro
Nishi Toyota
Umeda Narumi
NTT Mobile Communications Network Inc.
Olms Douglas W.
Vu Huy D.
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