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Data traffic radio channel distribution method and system thereof

A data service and wireless channel technology, applied in wireless communication, electrical components, etc., can solve problems such as low reliability and complex wireless channel allocation methods, and achieve the effects of ensuring rationality, reducing implementation complexity, and ensuring reliability

Active Publication Date: 2011-02-02
CHINA MOBILE GRP BEIJING
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Problems solved by technology

[0008] The embodiment of the present invention provides a data service wireless channel allocation method and its system to solve the problems of complexity and low reliability of the existing data service wireless channel allocation method

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  • Data traffic radio channel distribution method and system thereof
  • Data traffic radio channel distribution method and system thereof
  • Data traffic radio channel distribution method and system thereof

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Embodiment Construction

[0021] Aiming at the defects of the data service wireless channel allocation technology of the existing GSM / GPRS / EGPRS network, the embodiment of the present invention proposes a data service wireless channel allocation method and system based on TBF (Temporary Block Flow, temporary data flow) statistics.

[0022] Data service is carried by TBF in GPRS / EGPRS wireless network. TBF is a temporary data flow used to transmit LLC PDU (LLC data unit). Every time a user applies for a service, the communication system needs to establish a unique TBF to carry the service (separately for uplink and downlink), and release the TBF after the service ends. The TBF can mark the start and end of a user session (session), and the physical resource corresponding to the air interface is the PDCH. Multiple concurrent TBFs can be assigned to a single PDCH channel, but the number of concurrent TBFs on a single PDCH is limited.

[0023] The GPRS / EGPRS network system has relatively detailed statist...

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Abstract

The invention discloses a data traffic radio channel distribution method and a system thereof. The method comprises the following steps of: acquiring (temporary block flow) TBF statistical data of a cell; determining the data traffic bandwidth demand of the cell according to the acquired TBF statistical data; acquiring the statistical data on the proportion of each encoding mode used by a data packet transmitted by the cell and the statistical data of a data retransmission rate; determining the single time slot bandwidth of the cell according to the acquired statistical data on the proportionof each encoding mode and the retransmission rate; and distributing packet data channels (PDCHs) for the cell according to the quantity of the data packet channels (PDCHs) determined according to thedata traffic bandwidth demand and the single time slot bandwidth. By adopting the method, the data traffic bandwidth demand on a cell level can be predicted accurately according to the TBF statistical data, so as to accurately predict the quantity of the wireless channels required by the data traffic of the cell and improve the utilization ratio of radio resources.

Description

technical field [0001] The invention relates to resource allocation technology in the field of mobile communication, in particular to a data service wireless channel allocation method and system thereof. Background technique [0002] In the initial stage of EGPRS network construction, the number of PDCHs (Packet Data Channels) is usually configured according to the multi-slot capability of mainstream terminals, such as "1+3" configuration (1 static PDCH+3 dynamic PDCHs). However, as the content of data services carried by the EGPRS network continues to enrich, and the traffic of data services increases rapidly, the original basic configuration can no longer meet the needs of hot spots. How to reasonably configure GPRS / EGPRS (General Packet Radio Service) wireless channels has become a Real-world network problems that need to be solved urgently. [0003] The channel configuration algorithm of pure CS (Circuit Switched, circuit switched) voice service usually uses the Erlang ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/54
Inventor 石勇宋磊侯普季晨宇王路马云飞高羽
Owner CHINA MOBILE GRP BEIJING
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