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Method and system for data exchange in coordinated multi-point communication technology

A technology of data interaction and communication technology, which is applied in the field of cooperative multi-point communication, can solve problems such as no data interaction technical solutions, and achieve the effect of improving user experience and reasonable data interaction

Inactive Publication Date: 2012-03-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, at present, there is no technical solution for data interaction in CoMP communication technology

Method used

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  • Method and system for data exchange in coordinated multi-point communication technology
  • Method and system for data exchange in coordinated multi-point communication technology
  • Method and system for data exchange in coordinated multi-point communication technology

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Embodiment 1

[0076] The application scenario of this embodiment is: the master control cell base station determines that the data interaction mode is a centralized data distribution mode, wherein the centralized data distribution mode is applicable to one data radio bearer (DRB). The method for data interaction in the CoMP communication technology of this embodiment, such as figure 2 shown, including the following steps:

[0077] Step 201: The UE is powered on and initialized, and then step 202 is performed.

[0078] Step 202: The UE establishes a primary radio link connection with the main control cell base station, and then the UE establishes an auxiliary radio link connection with the secondary cell base station, and then performs step 203;

[0079] Here, the 3GPP protocol stipulates a detailed description of the UE establishing a primary radio link connection with the base station of the master cell; wherein, when the UE establishes a master radio link connection with the base statio...

Embodiment 2

[0104] The application scenario of this embodiment is: the master control cell base station determines that the data interaction mode is the distributed data distribution mode, wherein the distributed data distribution mode is applicable to multiple DRBs, that is, multiple auxiliary wireless links can be established at the same time, each Each auxiliary radio link can bear one DRB. The method for data interaction in the CoMP communication technology of this embodiment, such as image 3 shown, including the following steps:

[0105] Step 301: The UE is powered on and initialized, and then step 302 is executed.

[0106] Step 302: The UE establishes a primary radio link connection with the main control cell base station, and then the UE establishes an auxiliary radio link connection with the secondary cell base station, and then performs step 303;

[0107] Here, the process of establishing the primary wireless link connection and the secondary wireless link connection is exactl...

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Abstract

The invention discloses a method for data exchange in a coordinated multi-point (CoMP) communication technology. The method comprises the following steps that: when a data exchange mode is a centralized data distribution mode, a core network sends service data transmitted to user equipment (UE) to a main control cell base station; and the main control cell base station receives the service data and sends the received service data to an auxiliary cell base station; or when the data exchange mode is a distributed data distribution mode, the core network sends the service data transmitted to the UE to the auxiliary cell base station. The invention also discloses a system for the data exchange in the CoMP communication technology. By adoption of the method and the system, rational data exchange between the base stations and the core network can be realized, and user experience is enhanced.

Description

technical field [0001] The present invention relates to a coordinated multi-point (CoMP, Coordinated Multi-Point) communication technology, in particular to a method and system for data interaction in the CoMP communication technology. Background technique [0002] Coordinated Multiple Point Transmission and Reception technology (Coordinated Multiple Point Transmission and Reception) is proposed to further improve the edge user throughput, edge user frequency utilization, and overall system performance in the Long Term Evolution (LTE, Long Term Evolution) system, and has become An important element in the technical framework of the evolution of the LTE system (LTE-advanced) in the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project). The core idea of ​​this technology is to serve one user or multiple users at the same time through multiple transmission points with spatial location adjacency. The schematic diagram of the principle is as follows figur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/02H04W76/00
CPCH04W8/18H04B7/024H04J11/0053
Inventor 李磊
Owner ZTE CORP
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