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Method and apparatus for controlling uplink power in wireless

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

Inactive Publication Date: 2016-08-31
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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

Method used

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

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Embodiment Construction

[0032] 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

Descriptions on the method and the apparatus for controlling uplink transmission power are provided. The method for controlling uplink transmission power comprises receiving a signal on a downlink channel in dual connectivity with master eNB (MeNB) and secondary eNB (SeNB), allocating transmission power for sounding reference signals (SRS) and transmitting SRS to the MeNB and SeNB based on the allocated transmission power. Transmission power may be allocated differently depending on whether the MeNB and the SeNB are synchronous or not.

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) of UMTS is being discussed by the 3rd Generation Partnership Project (3GPP) which standardized 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 lower cost per bit, increased service av...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/14H04W72/04
CPCH04L5/0051H04W52/146H04W52/16H04W52/325H04W52/34H04W72/0473
Inventor 李润贞
Owner LG ELECTRONICS INC