Title:
TRANSMISSION POWER CONTROL METHOD AND MOBILE STATION
Document Type and Number:
WIPO Patent Application WO/2006/104211
Kind Code:
A1
Abstract:
In a mobile communication system using the conventional 'Upstream Enhancement', the quality of E-DPCCH is satisfied and as small a transmission power offset as possible is used, thereby suppressing the degradation of the radio network capacity caused by E-DPCCH. A transmission power control method, which controls the transmission power of an upstream control channel (E-DPCCH) in a mobile station (UE), comprises a step in which a radio base station (NodeB) measures the reception quality of a control signal received via the upstream control channel (E-DPCCH); a step in which the radio base station (NodeB) notifies a radio network control station (RNC) of the measurement result; a step in which the radio network control station (RNC) decides, based on the measurement result, the transmission power offset of the upstream control channel (E-DPCCH) and notifies the mobile station (UE) of the decided transmission power offset; and a step in which the mobile station (UE) uses the transmission power offset to control the transmission power of the upstream control channel (E-DPCCH).
Inventors:
USUDA MASAFUMI
UMESH ANIL
NAKAMURA TAKEHIRO
UMESH ANIL
NAKAMURA TAKEHIRO
Application Number:
PCT/JP2006/306540
Publication Date:
October 05, 2006
Filing Date:
March 29, 2006
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
USUDA MASAFUMI
UMESH ANIL
NAKAMURA TAKEHIRO
USUDA MASAFUMI
UMESH ANIL
NAKAMURA TAKEHIRO
International Classes:
H04B7/26; H04J13/00; H04W52/32; H04W52/36
Foreign References:
| JP2004080531A | 2004-03-11 | |||
| JP2003510950A | 2003-03-18 | |||
| JP2006050644A | 2006-02-16 |
Attorney, Agent or Firm:
Miyoshi, Hidekazu (2-8 Toranomon 1-chome, Minato-k, Tokyo 01, JP)
Download PDF:
Previous Patent: ACTIVE MATRIX SUBSTRATE, DISPLAY DEVICE AND ELECTRONIC DEVICE
Next Patent: MODIFIED BUTADIENE POLYMER COMPOSITION
Next Patent: MODIFIED BUTADIENE POLYMER COMPOSITION