H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/216 (2006.01) H04Q 7/36 (2006.01) H04Q 7/30 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2413937
A base station using a method of controlling initial power ramp-up in CDMA systems by using short codes is disclosed for controlling transmission power during the establishment of communications between a base station and another communicating unit is disclosed. The base station includes means for detecting a periodic signal having an initial predetermined power level, which is repeatedly sent to the base station at increasing power levels; means for transmitting a confirmation signal when a periodic signal having a sufficient power for detection is received; and means for receiving a call signal transmitted subsequent to the confirmation signal transmitting. The disclosed base station is particularly useful for overcoming the problems of power overshoot and interference to other base stations known in the art and to provide for a base station to quickly synchronize to the spreading code used by the communicating unit.
Haim John W.
Lomp Gary R.
Ozluturk Fatih M.
Interdigital Technology Corporation
Ridout & Maybee Llp
LandOfFree
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