Radio channel control apparatus used in a CDMA cellular system a

Details Radio channel control apparatus used in a CDMA cellular system a Radio channel control apparatus used in a CDMA cellular system a

1997-03-11

1999-04-27

Hofsass, Jeffery A.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370342, 455522, H04Q 700

Patent

active

058986820

ABSTRACT:
A radio channel control section 370 transmits and receives to and from an adjacent base station uplink/downlink channel communication qualities measured by a communication channel transmit/receive section 330 and a mobile station 410, respectively, compares them with predetermined lower and upper threshold values Tl/Th, requests a pilot channel transmit section 350 to decrease and increase the transmission power level of a pilot signal if the threshold value Tl is not reached and the threshold value Th is exceeded, respectively. For a downlink channel, a hand-off parameter is increased and decreased if the threshold value Tl is not reached and the threshold value Th is exceeded, respectively. For an uplink channel, the hand-off parameter is decreased and increased if the threshold value Tl is not reached and the threshold value Th is exceeded, respectively.

REFERENCES:
patent: 5455967 (1995-10-01), Amezawa et al.
patent: 5499395 (1996-03-01), Doi
patent: 5771461 (1998-06-01), Love

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