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Method and apparatus for controlling uplink power in wireless communication system

A technology of wireless communication system and link, applied in the field of controlling uplink power

Active Publication Date: 2016-06-01
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, each eNB involved in the dual connectivity of the UE may assume a different role

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  • Method and apparatus for controlling uplink power in wireless communication system
  • Method and apparatus for controlling uplink power in wireless communication system
  • Method and apparatus for controlling uplink power in wireless communication system

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Embodiment Construction

[0029] The techniques, apparatus and systems described herein can be used in various wireless access technologies such as Code Division Multiple Access (CDMA), Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Orthogonal Frequency Division Multiple Access (OFDMA) ), single carrier frequency division multiple access (SC-FDMA) and so on. CDMA may be implemented with a radio technology such as Universal Terrestrial Radio Access (UTRA) or CDMA2000. TDMA can be implemented with radio technologies such as Global System for Mobile communications (GSM) / General Packet Radio Service (GPRS) / Enhanced Data Rates for GSM Evolution (EDGE). OFDMA may be implemented with radio technologies such as Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802-20, Evolved UTRA (E-UTRA), and others. UTRA is part of the Universal Mobile Telecommunications System (UMTS). 3rd Generation Partnership Project (3GPP) Long Term Evo...

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Abstract

A method and apparatus for controlling an uplink power in a wireless communication system is provided. A user equipment (UE) sets a first maximum power for a first set of uplink subframes for a first eNodeB (eNB) in which the UE can allocate up to the first maximum power to uplink signals to be transmitted to the first eNB, and sets a second maximum power for a second set of uplink subframes for the first eNB in which the UE can allocate up to the second maximum power to uplink signals to be transmitted to the first eNB. The uplink signals are transmitted to the first eNB only in the first set of uplink subframes. Further, the uplink signals are transmitted to both the first eNB and a second eNB in the second set of uplink subframes.

Description

technical field [0001] The present invention relates to wireless communication, and more particularly, to a method and apparatus for controlling uplink power in a wireless communication system. Background technique [0002] The Universal Mobile Telecommunications System (UMTS) is a third-generation (3G) asynchronous mobile telecommunications system that operates on European systems based on Wideband Code Division Multiple Access (WCDMA), Global System for Mobile Communications (GSM) and General Packet Radio Service (GPRS) . Long Term Evolution (LTE) for UMTS is under discussion in the 3rd Generation Partnership Project (3GPP) that standardizes UMTS. [0003] 3GPP LTE is a technology for enabling high-speed packet communication. Many schemes have been proposed for LTE goals, including those aimed at reducing user and provider costs, improving service quality, and extending and enhancing coverage and system capacity. 3GPP LTE requires reduction of cost per bit, increase of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/14H04W52/36
CPCH04L5/001H04W52/34H04W52/367H04W52/281H04W52/346H04W52/40H04W52/146H04W52/365H04W72/0473H04W72/56H04W88/06
Inventor 李润贞
Owner LG ELECTRONICS INC