Method for distributing data to slave base stations
A technology for distributing data from the base station, which is applied in the field of communication technology and can solve the problems of adding, releasing, activating and deactivating the impact of small cell downlink data transmission, etc.
Active Publication Date: 2018-07-17
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology
Therefore, this will lead to the following problems: these addition, release, activation and deactivation operations will have an impact on the downlink data transmission of the small cell, and how to solve these impacts
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Embodiment Construction
[0035] In the present invention, two data distribution schemes for offloading will be proposed (distribute data from the core network or the master base station to the slave base station):
[0036] 1. Added the operation process in the small cell situation for the user equipment;
[0037] 2. An operation process in a situation where a small cell is activated for the user equipment.
[0038] In addition, in the present invention, it also proposes an operation process of ending the distribution of data from the core network or the primary base station to the secondary base station in the case of small cell release or deactivation.
[0039] Finally, the present invention will also propose an operation process for forwarding data from the slave base station to the master base station or the core network in order to avoid data loss in the case of small cell release or deactivation.
[0040] Hereinafter, the above points will be described in detail.
[0041] As mentioned above, th...
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The invention provides a method of splitting data to a secondary base station in a carrier aggregation based communication System, a method of ending splitting data to a secondary base station in a carrier aggregation based communication System, and a method of processing data, which is buffered in a secondary base station due to release of a small cell, in a carrier aggregation based communication System. In one embodiment of the present invention, a primary base station sends a control signaling to a user equipment, the control signaling indicating that a small cell is added for the user equipment; receives a confirmation message from the user equipment in response to the control signaling; sends a first indication message to the secondary base station, the first indication message indicating that the primary base station added the small cell for the user equipment; and sends a second indication message to a core network, the second indication message indicating the core network to split the data to the secondary base station; or splits the data to the secondary base station.
Description
technical field [0001] The present invention relates to communication technologies, and in particular to a method for distributing data to a secondary base station in a communication system based on carrier aggregation, a method for ending data distribution to a secondary base station in a communication system based on carrier aggregation, and A method for processing data buffered in a secondary base station in a secondary base station in a communication system based on carrier aggregation due to the release of a small cell. Background technique [0002] According to the current research status, the RAN58 has agreed to a research project on small cell enhancement high layer (Small Cellenhancement-high layer). The focus of this research project is the research and implementation of dual connectivity. This corresponds to the situation where the user equipment maintains communication with at least two base stations at the same time, and these base stations are connected by non...
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IPC IPC(8): H04L1/00
CPCH04W76/15H04W76/34H04W84/045
Inventor 杨涛仲崇显孙芳蕾
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD