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Anchor carrier handover

A technology of anchor carrier and carrier wave, applied in the field of computer program products, can solve the problem of time-consuming and so on

Inactive Publication Date: 2012-07-11
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reconnection process takes time

Method used

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  • Anchor carrier handover
  • Anchor carrier handover
  • Anchor carrier handover

Examples

Experimental program
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Embodiment Construction

[0123] figure 1 A wireless telecommunications system 10 is shown according to one embodiment. User equipment 50 roams through the wireless telecommunication system. A base station 20 supporting a wireless coverage area 30 is provided. A number of said base stations 20 are provided and are geographically distributed to provide user equipment 50 with a wide coverage area. When the user equipment is located within the area served by the base station 30, communication can be established between the user equipment and the base station based on the associated wireless link. Each base station typically supports many sectors within geographic service area 30 .

[0124] Typically, different antennas within a base station support each associated sector. Accordingly, each base station 20 has multiple antennas, and the signals transmitted by the different antennas are electronically weighted to provide a sectorization method. Of course, it should be recognized that figure 1 A small ...

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Abstract

A method of transferring anchor carrier status from a first carrier to another carrier in a multi-carrier wireless telecommunications network. The multi-carrier wireless telecommunications network comprises a base station and user equipment operable to simultaneously transmit and receive signals on more than one radio frequency carrier within a sector of the telecommunications network. The method comprises the steps of: receiving details of a triggering event to be notified to a network node; said triggering event comprising a measurable characteristic of said first carrier changing past a predetermined first threshold value; providing triggering information indicative of said triggering event to a network node; determining which of the other carriers of the multi-carrier telecommunications network have a measurable characteristic past a predetermined second threshold value; providing information relating to carriers determined to have a measurable characteristic past said predetermined second threshold value to the network node; and transferring anchor carrier status, in response to a received signal generated in response to receipt of said information relating to carriers and said triggering information, to one of the carriers determined to have a measurable characteristic past said predetermined second threshold value.

Description

technical field [0001] The present invention relates to a method of transferring an anchor carrier state from a first carrier to another carrier in a multi-carrier wireless telecommunication system, a network node, base station and user equipment operable to implement the method, and a computer program product . Background technique [0002] Single carrier wireless telecommunication systems are known. In those known systems, wireless coverage is provided to user equipment, such as mobile phones, by geographical area. Base stations are placed in each geographic area to provide the required wireless coverage. A user equipment located in an area served by a base station receives information and data from and transmits information and data to the base station. [0003] Information and data sent by the base station to user equipment occurs on radio carrier channels called downlink carriers. Information and data sent by user equipment to the base station occurs on radio carrie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08
CPCH04W36/28H04W36/08H04L5/001H04L5/0058H04W36/0058
Inventor S·H·王
Owner ALCATEL LUCENT SAS