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Optimized carrier aggregation for handover

A component carrier and auxiliary component carrier technology, applied in electrical components, wireless communication, etc., to ensure the effect of user experience

Active Publication Date: 2012-12-26
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Optimized carrier aggregation for handover
  • Optimized carrier aggregation for handover

Examples

Experimental program
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Embodiment Construction

[0025] figure 1 A block diagram of a wireless communication network is shown. It should be noted that only the features related to the present invention are shown here.

[0026] figure 1 The network shown in is, for example, a UMTS terrestrial radio access network (UTRAN) based on the 3GPP radio access network specification. The communication network includes two eNodeBs 116 and 124 and user equipment UE 128. Such as figure 1 As illustrated in, the UE 128 is currently spatially located in the source cell 100 served by the eNodeB 116.

[0027] The services provided by the eNodeB 116 are performed via the antenna 104, which provides network coverage with respect to the source cell 100.

[0028] The eNodeB 116 includes a processor 112 and a memory 114. The memory 114 includes a module 115 that includes computer-executable instructions executable by the processor 112. These instructions may include any instructions used to perform the methods described above.

[0029] In addition, eNo...

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Abstract

The invention relates to a method of performing a handover of a user equipment (128) from a source cell (100) to a target cell (102), wherein the user equipment (128) is adapted for receiving and / or transmitting data simultaneously on two or more aggregated component carriers, the method comprising receiving an RRC connection reconfiguration message from the source cell (100) on the random access channel of the source cell (100), said message comprising linking information, said linking information indicating one of the aggregated component carriers for the uplink of the target cell (102) and one of the aggregated component carriers for the downlink of the target cell (102).

Description

Technical field [0001] The present invention relates to a method for performing handover of user equipment from a source cell to a target cell, a user equipment, a method for performing handover through a base station, a base station, and a computer program product. Background technique [0002] Currently, UMTS (Universal Mobile Telecommunication System) networks are being upgraded globally to provide data to user equipment (UE) at high data rates. In order to ensure the competitiveness of UMTS in the coming years and longer, the concept of UMTS Long Term Evolution (LTE) has been explored. The goal is a wireless access technology with high data rate, low latency and packet optimization. [0003] The UMTS network constitutes a third-generation (3G) cellular wireless network. The Third Generation Partnership (3GPP) is working to establish standards for multimedia services. [0004] LTE advanced (LTE advanced) terminals, that is, user equipment (UE), can be jointly scheduled on multi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/28
CPCH04W36/08H04W36/28H04W36/0069
Inventor 奥斯曼·艾登
Owner ALCATEL LUCENT SAS