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Method and system for resource scheduling

A resource scheduling and resource technology, applied in the field of communication, can solve the problems of inability to obtain CSGFemtocell services, inability to switch, etc., and achieve the effect of minimizing transmission adaptation problems and enhancing flexibility

Active Publication Date: 2013-12-25
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, unauthorized non-member users or UEs cannot switch to the CSG Femtocell and cannot obtain the services of the CSG Femtocell
In this case, when an unauthorized user is near the Femtocell AP or in the coverage area of ​​the Femtocell, the mutual interference between the Femtocell and the Macrocell is still very serious

Method used

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  • Method and system for resource scheduling
  • Method and system for resource scheduling
  • Method and system for resource scheduling

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Embodiment Construction

[0046] The present invention adopts a resource reservation mechanism and defines an elastic reserved area. Marocell can request the corresponding Femtocell to adjust its own elastic reserved area according to the interference indication message sent by the UE it serves, so that only The resources in the elastic reserved area are scheduled to the UE. In this way, the Femtocell can only schedule resources in the non-elastic reserved area to the UE it serves, and the Marocell can only schedule other resources to other UEs it serves. The UE can use the resources in the elastic reserved area to perform operations such as data transmission / reception, thereby avoiding mutual interference between the Marocell and the Femtocell.

[0047] In order to clearly illustrate the present invention, the elastic reserved area is described first. As mentioned above, the present invention adopts the resource reservation mechanism, and defines a flexible reservation zone (Flexible Reservation Zone...

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Abstract

A method and a system for resource scheduling are provided in the present invention. The method includes: a User Equipment (UE) serviced by a macrocell sends an interference indication message to the macrocell; the macrocell receives the interference indication message and determines the group of the current femtocell and the size and the distribution of the corresponding flexible reservation zone, wherein the interference exists between the UE and the current femtocell; the macrocell sends a resource reservation request message to the current femtocell, the request message includes the information of the size and the distribution of the flexible reservation zone; the current femtocell receives the resource reservation request message, adjusts the flexible reservation zone according to the request message, and sends a resource reservation response message to the macrocell; and the macrocell receives the resource reservation response message and schedules the resources of the fexible reservation zone to the UE during the following resource scheduling. With the method and the system of the present invention, the Flexible Reservation Zone (FRZ) is able to be reserved dynamically by the limited coordination between the femtocell and the macrocell. In this way, even if a UE has no right to access a femtocell, the interference between the UE and the femtocell is able to be avoided, therefore the system performance is enhanced, and the quality of service is ensured.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technology, and specifically relate to a resource scheduling method and system, which can avoid mutual interference between Macrocell and Femtocell by performing resource scheduling in a Macrocell embedded with one or more Femtocells. Background technique [0002] In current and future communication systems, such as LTE / LTE-A, issues such as coverage areas and "3dB attenuation" are always challenges for communication equipment manufacturers, communication service providers and users. Aiming at these problems, various solutions have been proposed, including relay, directional beam, transponder, Femtocell (ultra-micro cell) and other technologies. Among them, Femtocell technology can improve the coverage area by adopting cell splitting or embedded cell technology. And system capacity, so it has received more and more attention from communication system operators, service providers ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/26
CPCH04W8/24H04W72/12H04W28/26H04W28/04
Inventor 邱吉刚杨峰
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD