Data distribution method and device

A technology of data offloading and data volume, applied in wireless communication, electrical components, etc., can solve the problems of huge overhead of interface transmission resources, inability to directly apply dual-connection systems, and no determination of flow control parameters.

Active Publication Date: 2019-12-17
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is based on system load information and channel information, and does not provide a method for determining flow control parameters, and the interaction of system load information and channel information requires the expansion of the interface between base stations, and cannot be directly applied to dual-connection systems.
In addition, the interaction of channel information will also lead to a huge overhead of interface transmission resources between base stations

Method used

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  • Data distribution method and device
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  • Data distribution method and device

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Embodiment Construction

[0047] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0048] The flowchart of an embodiment of the data distribution method of the present invention is as follows figure 1 shown.

[0049] In step 101, the primary base station determines the initial data volume allocated to the primary base station and the secondary base station according to historical information on the throughput of the radio bearer. The historical throughput information may include historical throughput information of the secondary base station acquired from the secondary base station, and historical throughput information of the primary base station stored by the primary base station itself. The initial data volume may include the initial primary base station data volume allocated to the primary base station and the initial secondary base station data volume allocated to the secondary base station. T...

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Abstract

The invention provides a data distribution method and device, which relate to the field of mobile communication. Among them, the data distribution method of the present invention includes: determining the initial data volume allocated to the primary base station and the secondary base station according to the historical information of the throughput of the radio bearer; The initial adjustment data volume of the base station and the secondary base station; adjust the initial adjustment data volume of all radio bearers of the user according to the minimum expected buffer value of the user by the secondary base station, and determine the allocated data volume of each radio bearer to the primary base station and the secondary base station. This method allocates the amount of radio bearer data for the primary base station and the secondary base station based on the historical throughput information of the primary base station and the secondary base station, and adjusts the load and user buffer requirements of the secondary base station, thereby making full use of the primary base station and secondary base station. While using resources of the base station, it is ensured that the amount of data allocated to the secondary base station will not exceed the buffer capacity of the secondary base station.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a data distribution method and device. Background technique [0002] In the research phase of 3GPP Rel-10 / 11, 3GPP proposed a carrier aggregation technology that achieves a larger bandwidth by aggregating multiple carriers, thereby providing a faster data transmission rate. In the application scenario of carrier aggregation technology, RRH (Radio Remote Head, remote radio unit) is directly connected to the macro base station through high-quality optical fiber, and the signaling transmission delay between each other is small, which is suitable for centralized scheduling in the macro base station. Entering the research stage of 3GPP Rel-12, NTT DoCoMo Company proposed the small cell enhancement research project and proposed the non-ideal backhaul scenario. In this scenario, the centralized scheduling mechanism is difficult to apply, and a distributed MAC (Media Access Control, ...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/12H04W72/53H04W72/52
Inventor武洲云张建敏陆晓东杨峰义毕奇
OwnerCHINA TELECOM CORP LTD