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Resource allocation scheduling method for a cellular communication system

A cellular communication system and resource allocation technology, applied in the field of resource allocation and scheduling, can solve problems such as system capacity reduction, low information throughput, and terminal mobility impact

Inactive Publication Date: 2009-09-30
SAMSUNG ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, wireless access based communication systems have very low throughput and are greatly affected by terminal mobility
Furthermore, the system capacity in cellular systems is limited by interference between cells and is significantly reduced due to the carrier-to-interference (C / I) ratio between adjacent cells

Method used

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  • Resource allocation scheduling method for a cellular communication system
  • Resource allocation scheduling method for a cellular communication system
  • Resource allocation scheduling method for a cellular communication system

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Embodiment Construction

[0015] Several preferred embodiments of the present invention will be described below by means of the accompanying drawings. In the following description, well-known functions or constructions will not be described in detail since they would obscure the subject matter of the present invention in unnecessary detail.

[0016] figure 1 A cellular system comprising hexagonal cells to which the invention is applied is illustrated. refer to figure 1 , each cell is divided into three sectors. All cells are allocated the same frequency band, and the sectors 101, 102, and 103 constituting the cell 100 are allocated different resources. In addition, the corresponding sector in the cell is designed to be allocated resources different from the adjacent sectors of the adjacent cells. In the present invention, a sector using the same frequency in different cells is referred to as an "interfering sector". exist figure 1 In , the interfering sectors of sector 101 of cell 100 are sector ...

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Abstract

A resource allocation and scheduling method for a cellular communication system, which can avoid interference between cells. The method includes dividing the frequency band of the system into frames, each frame having a preferred allocation block and a general allocation block on the time axis; classifying the terminals in each cell into an interference-sensitive terminal group and an interference-insensitive terminal group the terminal group; and the resource is allocated by the terminal group according to the priority order assigned to the terminal group. The preferred allocated resources designed to be orthogonal to interfering cells, ie sectors, on the time axis are allocated to interference-sensitive terminals, and the remaining resources are allocated to interference-insensitive terminals.

Description

technical field [0001] The present invention generally relates to a cellular communication system, and in particular to a method for resource allocation and scheduling of a cellular communication system, by preferentially allocating resources with orthogonality on the time axis to cells with high interference between cells Sensitive terminals can avoid interference between cells. Background technique [0002] With the development of wireless communication, various services based on broadband communication, such as video conferencing and high-speed Internet access services, have been provided. Due to the advancement of communication technologies, almost unlimited communication environments have been provided. However, wireless access based communication systems have very low throughput and are greatly affected by terminal mobility. Furthermore, the system capacity in a cellular system is limited by interference between cells, and due to the carrier-to-interference (C / I) rat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/36H04W72/10
CPCH04W16/14H04W84/042H04W72/12H04W72/04
Inventor 赵成贤罗伯特·W·希思尹相普朴元亨马尼施·埃里
Owner SAMSUNG ELECTRONICS CO LTD
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