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Multi-cell dynamic resource allocation method

A dynamic resource allocation, multi-cell technology, applied in electrical components, wireless communication, etc.

Active Publication Date: 2013-06-19
山东韦地信息科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing technology does not dynamically perform joint resource allocation of multiple cells in real time through channel state information

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings of the description.

[0025] like figure 1 As shown, the system based on the implementation of the present invention includes a controller as a central node and transmission points distributed in cells, and the central node is connected to the transmission points with a backhaul line. The central node should select the cell edge user equipment UE and the corresponding set of transmission points participating in the coordination according to the received signal power level fed back by the user equipment (UE). This selection process is often a "long-term / broadband" process, and the set of transmission points suitable for cooperative operation for a certain user equipment UE may be different.

[0026] Based on this "clustering" process, the central node only needs to know the channel state information of each transmission point in the coordinated transmission point set corr...

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Abstract

A multi-cell dynamic resource allocation method is achieved based on a system which comprises a controller as a center node and launching points which are distributed in cells. The center node is connected with the launching points through a return circuit. The dynamic resource allocation method includes the following steps: 1) gathering channel state information; and 2) performing centralization dispatch through the center node. The multi-cell dynamic resource allocation method maintains a continuous quality improvement (CQI) list fed back by user equipment (UE) in information gathering and dispatching flow paths in real time, and has real-time performance and dynamics performance. According to the multi-cell dynamic resource allocation method, information channel information is considered in the dispatching flow path, and therefore the multi-cell dynamic resource allocation method can effectively use a feedback order instruction or a pre-coding matrix index to perform interference suppression based on wave beam direction.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method for multi-cell cooperative dynamic resource allocation. Background technique [0002] In recent years, the new generation of wireless communication technology has developed rapidly. Compared with the third generation of wireless communication technology, the new generation of mobile communication technology has many advantages such as simple network architecture, small signal delay, high communication quality and fast speed. [0003] A typical technology in the new generation mobile communication technology is Coordinated Multi-Point transmission (CoMP), which is a multi-cell cooperative communication technology. Multiple cells are connected through a backhaul line (backhaul), exchange information and (or) data, and perform cooperative resource allocation, thereby reducing inter-cell interference and ultimately improving cell edge throughput. The backhaul line can be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
Inventor 谢骊玲周化雨宋彦斌
Owner 山东韦地信息科技有限公司
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