Title:
A OPEN LOOP POWER CONTROL METHOD FOR DOWNLINK COMMON CHANNELS IN CDMA SYSTEM
Document Type and Number:
WIPO Patent Application WO/2004/030304
Kind Code:
A1
Abstract:
The present invention relates to a open loop power control method for downlink common channels in the CDMA (code division multiple address) system, including the following steps: distinguish the downlink common channels which diplex bearing specific logical channels, and judge the transmission format combination frame by frame to the downlink common channels beared the specific logical channels; according to the types of the transmission format combination of current wireless frame, control transmission power of wireless frame of downlink common channels which only bears specific logical channel frame by frame. In accordance with the invention disclosed open loop power control method for downlink common channels, utilizing the required powers and characteristics of different logical channels in the public downlink channels, proposes the power control and its methods of specific logical channels, improving the performance of the downkink channels and the utilization rate of wireless resources.
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Inventors:
LIU CHENG (CN)
ZHAO BAIJUN (CN)
ZHAO BAIJUN (CN)
Application Number:
PCT/CN2002/000746
Publication Date:
April 08, 2004
Filing Date:
October 23, 2002
Export Citation:
Assignee:
UTSTARCOM CHINA CO LTD (CN)
LIU CHENG (CN)
ZHAO BAIJUN (CN)
LIU CHENG (CN)
ZHAO BAIJUN (CN)
International Classes:
H04B7/005; (IPC1-7): H04L29/00; H04Q7/30
Domestic Patent References:
| WO2000055976A2 | 2000-09-21 |
Foreign References:
| CN1274247A | 2000-11-22 | |||
| EP1083677A2 | 2001-03-14 | |||
| JPH11308655A | 1999-11-05 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (Vantone New World Plaza 2 Fuchengmenwai Street, Beiging 7, CN)
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