Upstream power control method and device

A technology of power control and power control parameters, applied in the field of communication, can solve the problem of no uplink power control, and achieve the effect of avoiding power limitation, improving power utilization rate and transmission efficiency

Active Publication Date: 2015-02-11
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Embodiments of the present invention provide an uplink power control method and device, which are used to solve the problem that there is currently no corresponding uplink power control scheme when a terminal performs uplink transmission in a dual connectivity scenario

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  • Upstream power control method and device

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Embodiment Construction

[0166] In the embodiment of the present invention, in order to illustrate the technical solution of the present invention, the words "first" and "second" are used to distinguish different base stations that schedule data to the terminal, and to distinguish the downlink carriers scheduled by different base stations, but There are no restrictions on the number of base stations, downlink carriers, and operation priorities.

[0167] For example, if the first base station is a primary base station (MeNB) of the terminal, the second base station may represent a secondary base station (SeNB) of the terminal, or may represent all secondary base stations of the terminal.

[0168] In the embodiment of the present invention, the first base station and the second base station may specifically be:

[0169] The first base station is the primary base station MeNB, and the second base station is the secondary base station SeNB; or,

[0170] The first base station is a SeNB, and the second ba...

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Abstract

Disclosed are a method and an apparatus for controlling uplink power, so as to solve a problem that in a scenario of double connections, when a terminal performs uplink transmission, there is no corresponding solution to control uplink power. The method in the present invention comprises: a terminal determining uplink information to be sent on an uplink carrier, the uplink information comprising uplink information corresponding to a first base station and uplink information corresponding to a second base station; and the terminal determining, according to at least one group of power control parameters preconfigured for calculating transmit power of an uplink channel bearing the uplink information, transmit power of at least one uplink channel bearing the uplink information, and sending corresponding uplink information on the at least one uplink channel of the uplink carrier according to the transmit power of the at least one uplink channel. It is ensured that the terminal uses more appropriate transmit power on the uplink carrier to send uplink information of different base stations, thereby avoiding power limitation and improving power utilization and transmission efficiency.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to an uplink power control method and device. Background technique [0002] With the evolution of technology and the increase of data services, in subsequent versions of the Long Term Evolution-Advance (LTE-A) system, terminals may be configured under multiple base stations (that is, dual connectivity, Dual Connectivity) work scene. [0003] For example, the terminal is configured with a master evolved Node B (Master Evolved Node B, MeNB) and at least one secondary evolved Node B (Secondary eNB, SeNB), wherein, in the Dual Connectivity application scenario, at least the S1-MME (MME Represents the mobility management entity, S1 represents the S1 interface to the MME; MME, Mobile Management Entity) terminates at the MeNB, therefore, for the core network, the MeNB can be regarded as a mobility anchor point; SeNB is responsible for Provide additional wireless resources ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/14H04W52/18
CPCH04W52/146H04W52/18H04W52/242H04W52/346H04W52/40H04W52/248H04W52/325H04W52/367H04W72/23H04L25/0226
Inventor 高雪娟林亚男沈祖康潘学明
Owner DATANG MOBILE COMM EQUIP CO LTD
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