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A network node and a method therein for controlling uplink power control

A network node, power control technology, applied in power management, advanced technology, electrical components, etc., can solve the problems of increased battery waste, interference, etc., and achieve the effect of increasing system capacity, reducing interference level, and reducing battery consumption

Inactive Publication Date: 2015-03-11
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of this more aggressive uplink power control target in small cells may cause more interference and may also lead to increased battery waste in UEs

Method used

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  • A network node and a method therein for controlling uplink power control
  • A network node and a method therein for controlling uplink power control
  • A network node and a method therein for controlling uplink power control

Examples

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Embodiment Construction

[0026]Briefly, exemplary embodiments of a network node and a method therein for controlling uplink power control within an area comprising at least one macro radio base station RBS and at least one low power RBS are provided. Briefly, a cluster of low power RBSs and macro RBSs is created based on measurement reports collected from UEs; the level of path loss is identified, and the level of interference in the low power RBSs is determined. Based on this, uplink power control settings are selected for low power RBSs.

[0027] will now refer to figure 2 To describe an exemplary embodiment of a method in a network node in a wireless communication network for controlling uplink power control in an area comprising at least one macro RBS and at least one low power RBS, figure 2 is a flowchart of a method for controlling uplink power control in a network node in a wireless communication network according to an exemplary embodiment.

[0028] figure 2 A method comprising collectin...

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PUM

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Abstract

A Network Node and a method therein for controlling uplink power control are provided. The method comprises collecting (210) measurement reports from UEs. The method comprises creating(220) clusters of low power RBS(s) and macro RBS(s), wherein each cluster comprises one low power RBS and at least one macro RBS; and identifying (230) the macro RBS with the lowest pathloss for those UEs connected to the low power RBS and the level of the pathloss. The method comprises determining (240) an interference level in the low power RBS caused by UEs connected to the macro RBS for those UEs connected to the macro RBS. Further, the method comprises selecting (250) uplink power control setting for the low power RBS based on the size of the pathloss associated with the identified macro RBS and the interference level in the low power RBS caused by UEs being connected to the macro RBS.

Description

technical field [0001] The present disclosure relates to radio resource control, and in particular to controlling uplink power control for user equipment served by a low power radio base station. Background technique [0002] A radio access network of a wireless or cellular communication network comprises a plurality of radio base stations RBS distributed in an area. The area can be a district, a city, a country or several countries. Typically, each RBS is associated with a coverage area commonly referred to as a cell. [0003] In a wireless or cellular communication network, users with user equipment UE may move around, causing the traffic load in each cell or RBS to vary over time. As a result, some RBSs may experience very heavy traffic load at certain times. [0004] The geographic area of ​​a wireless or cellular communication network may vary from cell to cell and may also be within a cell. For example, in a city, there may be buildings of different heights and siz...

Claims

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Application Information

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IPC IPC(8): H04W52/14H04W52/24H04W52/36
CPCH04W52/244H04W52/146H04W52/0212H04W52/242H04W52/245Y02D30/70H04W52/243
Inventor L·克洛卡尔F·克朗斯特德
Owner TELEFON AB LM ERICSSON (PUBL)
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