Method and arrangement for saving radio resources

A technology for wireless resources and user equipment, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve the problems of resource load, not allowing the distinction of handover request messages, etc., to achieve the effect of saving wireless resources

Inactive Publication Date: 2015-04-22
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Second, a large STCL results in an unnecessary load on the X2 interface used to connect the cells to each other and on the reserved resources
[0010] One way to reduce the cost of preparing a cell is to provide two different handover request messages for PTC and STC, but there will always be a cost (like additional signaling) associated with this process, and the current standard does not allow handover This distinction of request messages

Method used

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  • Method and arrangement for saving radio resources
  • Method and arrangement for saving radio resources
  • Method and arrangement for saving radio resources

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 A communication system such as a Long Term Evolution (LTE) system is shown comprising a Radio Access Network (RAN) comprising at least one Radio Base Station (RBS) (or eNode B) 15a, 15b and 15c . The eNode B is connected to at least one Server Gateway and Mobility Management Entity Node (S-GW / MME) 10a and 10b via an interface (eg S1 interface 17). The S-GW / MME node handles, for example, control signaling for mobility control and connects to external networks ( figure 1 not shown) (such as the Public Switched Telephone Network (PSTN) or Integrated Services Digital Network (ISDN)) and / or a connectionless external network (such as the Internet).

[0027] RAN provides for multiple user equipment (UE) 18( figure 1 Communication and control of only one ) is shown, with each RBS 15a-15c serving at least one cell 19 through which and into which the UE 18 is moving. The RBSs 15a-15c communicate with each other via a communication interface 16 (eg X2). Each UE 18 co...

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Abstract

The present invention relates to an arrangement, a communication network node and a method of saving radio resources during handover in a communication network system comprising a plurality of communication network nodes (15a, 15b, 15c) communicating with one or more user equipments (18). Each network node (15a, 15b, 15c) is serving at least one cell (19) through and in which the user equipments (18) are moving. The method and arrangement is based on: collection of long term handover statistics (1); selective triggering of Multiple Cell Preparation (2); definition of a Secondary Target Cell List (3); exclusion from the Secondary Target Cell List of cells rarely used (4); preparation of the cells on the Secondary Target Cell List for handover (5).

Description

technical field [0001] The present invention relates to a method and a device in a communication network system and a communication network node in the communication network system, and more particularly relates to a device and a communication network node capable of saving radio resources and a method for such saving. Background technique [0002] A wireless communication network system typically includes a plurality of base stations that define one or more areas of wireless coverage commonly referred to as cells or sectors. When a mobile user equipment (UE) that is currently in wireless communication with a given base station begins to move out of range of good wireless communication during a call procedure, the wireless network will attempt to find another base station or another sector of the given base station. sector, the mobile UE can continue to communicate wirelessly with that other base station or another sector with the shortest interruption. This process of movi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08
CPCH04W24/00H04W28/06H04W36/08
Inventor 杰泽·阿朗索-鲁比奥约翰·鲁内
Owner TELEFON AB LM ERICSSON (PUBL)
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