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Handover in communication networks

A technology of source network and target network, which is applied in the direction of wireless communication, electrical components, radio/inductive link selection arrangement, etc., to achieve the effect of reducing effective throughput, avoiding ping-pong effect, and avoiding packet loss

Active Publication Date: 2009-03-18
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, certain access networks may be configured differently so that they do not employ SGSN or equivalent entities in the user plane

Method used

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  • Handover in communication networks
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Examples

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Embodiment Construction

[0033] Referring to Fig. 1, Fig. 1 shows an example of a scenario in which the present invention may be used, namely a cellular telecommunication system 100 providing packet-switched services to a mobile node 101 . The mobile node 101 may access services provided by a data network 120 (eg, the Internet) and / or at least one network operator 130 . The communication system may include a 3GPP Long Term Evolution (LTE) access network 102 and a 2G / 3G access network 105 (eg, a 3G Universal Mobile Telecommunications System (UMTS) network).

[0034] In a mobile communication system, a mobile node 101, such as a mobile station (MS), is enabled to communicate with a base station (transceiver) (BS) 106 of a 2G / 3G access network 105 and / or with an evolved Node B (eNB) 103 (ie the base station of the LTE access system) communicate in the corresponding wireless connection. Each base station has a radio transceiver capable of transmitting radio signals in the downlink (DL) to mobile stations...

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Abstract

Disclosed is a node for a communication system, configurated to communicate with a mobile node through a first connection, and communicate with a third node through a first transmitting path. After initiating the switch from the first connection to the second connection between the mobile node and the object node, the data are transmitted to a third node, used for transmitted to the object network node through a second transmitting path. The third node is configurated to receive the data and transmit to the object network node.

Description

technical field [0001] The present invention relates to a communication system and in particular, but not exclusively, to handover of a mobile node from one node to another. Background technique [0002] Communications networks typically operate according to given standards or specifications, which state what operations the various elements of the network are allowed to do, and how those operations should be achieved. For example, a standard may define whether a user (or more precisely, a user equipment) is provided with a circuit-switched service, a packet-switched service, or both. Standards can also define the communication protocol that will be used for the connection. The given standard also defines one or more of the required connection parameters. Connection parameters can relate to various characteristics of the connection. Parameters may also define characteristics such as maximum number of traffic channels, quality of service, etc. and / or characteristics related...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W36/14H04W36/18
CPCH04W36/02H04W36/0055H04W36/14H04W36/18H04W36/0064H04W36/1443
Inventor S·格雷奇
Owner NOKIA TECHNOLOGLES OY
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