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Method of generating reverse data rate information in mobile communication system

A mobile communication system and data rate technology, applied in the field of generating reverse data rate information, can solve problems such as insufficient system stability and inability to meet various service quality

Inactive Publication Date: 2004-12-01
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, current methods for generating reverse data rates exhibit insufficient system stability and cannot meet the various Quality of Service (QoS) requirements demanded by multiple mobile stations within a sector

Method used

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  • Method of generating reverse data rate information in mobile communication system
  • Method of generating reverse data rate information in mobile communication system
  • Method of generating reverse data rate information in mobile communication system

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Embodiment Construction

[0014] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Throughout the drawings, the same or similar reference numerals are used to designate the same elements.

[0015] The present invention relates to a mobile communication system that supports a hybrid automatic repeat request (HARQ) transmission scheme in which a base station generates retransmission control information, i.e., an acknowledgment (ACK) or non-acknowledgement (NACK) signal, for use in is transmitted to the mobile station based on the occurrence of errors in signals previously received from the mobile station. Therefore, it is conditional to notify the mobile station of the need to retransmit the reverse traffic data. That is, the base station transmits an ACK signal if retransmission is unnecessary, that is, when no error is detected in a received signal, and transmits a NACK signal if retransmission is necessa...

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Abstract

A method of generating data rate control information for a plurality of mobile stations within a sector of a mobile communication system enables a base station to efficiently maintain system stabilization in a current reverse link and satisfies a variety of QoS levels for a plurality of mobile stations in one sector. The method includes steps of calculating a priority for each of the plurality of mobile stations; calculating a system load of the sector; and setting, according to the respectively calculated priorities, data rate control information to be transmitted to each mobile station, whereby the system load falls between predetermined threshold values.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Application No. 10-2003-0029966 filed May 12, 2003, which is incorporated herein by reference. technical field [0003] The present invention relates to a mobile communication system, and more particularly to a method of generating reverse data rate information to control the data rate of traffic data transmitted from a corresponding base station to a mobile station within a cell or sector. Background technique [0004] In current mobile communication systems, transmission at a high data rate by a particular mobile station of a cell or sector (hereinafter referred to as a sector) can cause severe interference to other mobile stations in the sector and disturb the system. Therefore, since a mobile station cannot arbitrarily determine the reverse link data rate, the reverse data rate for each mobile station is regulated by the sector's base station, which transmits a reverse ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B7/005H04L1/00H04L1/18H04W52/16H04W52/26H04W52/32H04W52/34H04W52/36H04W52/48
CPCH04L2001/0093H04W52/267H04W52/36H04W52/32H04L1/1812H04W52/48H04W52/16H04W52/34H04B7/26
Inventor 金沂濬薛智雄尹宁佑权纯逸
Owner LG ELECTRONICS INC