Method, system and device for inter-frequency load balancing in a mobile telecommunications network

A load balancing and communication network technology, applied in network traffic/resource management, wireless communication, electrical components, etc., can solve problems such as insufficient performance and complex selection

Active Publication Date: 2017-08-18
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0037] Specifically, when load balancing occurs in a heterogeneous network where the cell patterns may be substantially different or the conditions for a particular UE may be considerably different, based on RSRP and The prediction of radio link quality when referring to symbol received quality values ​​and the UE's perceived performance in the intended target cell is insufficient
[0038] In addition to the radio link quality in the source cell and the target cell, e.g. the RF bandwidth of the target cell, carrier aggregation capability, MIMO RI received from the UE, etc. make the selection of UE for relocation more complicated because E- RF bandwidth and MIMO configurations for UTRAN can vary over a fairly wide range

Method used

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  • Method, system and device for inter-frequency load balancing in a mobile telecommunications network
  • Method, system and device for inter-frequency load balancing in a mobile telecommunications network
  • Method, system and device for inter-frequency load balancing in a mobile telecommunications network

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Embodiment Construction

[0137] reference figure 1 , 2A And 2B, in the implementation of the Evolved Universal Mobile Telecommunications (UMTS) Terrestrial Radio Access Network (E-UTRAN) system, an explanation of the improved load balancing system in the cellular communication system is given. However, the proposed improved load balancing system can also be applied to other cellular network systems, such as Global System for Mobile Communications (GSM), Personal Handheld System (PHS), Universal Mobile Telecommunications System (UMTS), Digital Enhanced Cordless Telecommunications (DECT) ), Digital Advanced Mobile Phone System (AMPS) (IS-136 / Time Division Multiple Access (TDMA)).

[0138] In this explanation, the reference to the long-term evolution (LTE) network may be equivalent to the E-UTRAN system, and the radio base station (RBS) may be equivalent to the evolved node B (eNodeB) applied in the LTE network.

[0139] Although as Figure 2A The cell shown can be implemented as overlapping concentric solid ...

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Abstract

A method, system and device load balancing in a telecommunications network is provided where the selection of the one or more User Equipment (UE)150, to be relocated from a source cell 112 to a target cell 122, is based on a prediction value of the performance in the target cell. The prediction of the performance in the target cell is performed by mapping the current load of the target cell and a current detected signal of the target cell, into a perceived performance, perceived by UEs that have been relocated previously. After relocation of the UE the perceived performance in the target cell is measured actually and fed back 312 by the target cell RBS 120 to the source cell RBS 110, and used for updating the predicted performance value.

Description

Technical field [0001] The present invention generally relates to a method, system and device capable of balancing the load between the service areas of one or more radio base stations in a mobile network. Background technique [0002] In a typical cellular network (also referred to as a wireless communication system), user equipment (UE) communicates with one or more core networks (CN) via a radio access network (RAN). [0003] The UE is called a mobile terminal, and the subscriber can access the service provided by the operator's CN through the mobile terminal. The UE may be, for example, a communication device capable of transmitting voice and / or data, such as a mobile phone, a cellular phone, a laptop computer, a tablet computer, or a vehicle-mounted mobile device. The wireless capability enables the transmission of voice and / or data with another entity (e.g. another UE or server) via the RAN. [0004] The cellular network covers a geographic area that is divided into cell-base...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08
CPCH04W28/0861H04W28/082H04W36/22H04W36/0088H04W36/08H04W36/165H04W24/10
Inventor 斯文·哈拉尔德·埃克马克莉娜·梅林斯哈刚·埃里克森
Owner TELEFON AB LM ERICSSON (PUBL)
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