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Multi-connection data bearer multi-flow transmission supporting method and device

A data bearing, multi-stream transmission technology, applied in the direction of separation device of transmission path, digital transmission system, connection management, etc.

Inactive Publication Date: 2015-02-11
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Besides, a major challenge in dual / multi-connectivity is how to utilize radio resources among multiple base stations connected via non-ideal backhaul links to improve throughput
At present, there is no complete solution to solve how to support multi-stream transmission on a data bearer and how to allocate resources between multiple base stations in the case of dual connectivity

Method used

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  • Multi-connection data bearer multi-flow transmission supporting method and device
  • Multi-connection data bearer multi-flow transmission supporting method and device
  • Multi-connection data bearer multi-flow transmission supporting method and device

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Embodiment Construction

[0027] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0028] figure 1 A schematic diagram of a wireless communication network 100 in the prior art is shown. Such as figure 1 As shown in , in a wireless communication network 100, a macro base station 110 is included, which provides basic network coverage 120, and one or more small cell (Small Cell) base stations 130, 132, 134 and 136 with relatively small power, These provide relatively small network coverages 140, 142, 144 and 146, respectiv...

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Abstract

The present invention provides methods and apparatuses for supporting a multi- streaming transmission of a DRB for a dual connectivity. The method comprises: acquiring load information of a first base station and a second base station involved in a dual connectivity and / or channel information between respective base stations and a UE; determining a first data amount to be sent by the first base station to the UE according to the acquired load information and / or channel information and a total DL data amount to be scheduled; and determining a second data amount to be sent by the second base station to the UE according to the acquired load information and / or channel information and the total DL data amount to be scheduled.

Description

technical field [0001] The present invention generally relates to the field of wireless communication, and more specifically, relates to a method and device for multi-stream transmission supporting multi-connection data bearers. Background technique [0002] The deployment and enhancement of small cells has attracted a lot of attention due to the capacity improvement brought by low-power nodes such as small cells, picocell base stations, and femtocell base stations and to solve the problem of coverage blind spots. In 3GPP R12, a new research project "for E-UTRA (Evolved Universal Terrestrial Radio Access, Evolved Universal Terrestrial Radio Access) and E-UTRAN (Evolved Universal Terrestrial Radio Access Network, Evolved Universal Terrestrial Radio Access Small Cell Enhancements for E-UTRA and E-UTRAN-Higher-layer aspects (Small Cell Enhancements for E-UTRA and E-UTRAN-Higher-layer aspects)” was proposed, one of the important contents is to support the multi-connectivity (dua...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W28/08
CPCH04L5/0087H04W72/08H04W72/042H04L5/0035H04L5/001H04L5/0085H04L5/0064H04W72/0486H04W76/15
Inventor 温萍萍钱德瑞卡·沃拉尔
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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