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Interference suppression method of relay cellular network, base station and network system

An interference suppression and cellular network technology, applied in network topology, electrical components, wireless communication, etc., can solve the problems of unsatisfactory overall performance and complex algorithms of the relay cellular network, and achieve the effect of avoiding interference and improving overall performance

Active Publication Date: 2010-12-22
HUAWEI TECH CO LTD +1
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Problems solved by technology

[0004] There are also several interference suppression methods for relay cellular networks in the prior art. However, the inventors found in the process of implementing the present invention that there are at least the following problems in the prior art: the algorithm in the prior art is too complicated when solving the inter-cell interference problem Or the overall performance of the relay cellular network is not ideal when suppressing interference

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  • Interference suppression method of relay cellular network, base station and network system
  • Interference suppression method of relay cellular network, base station and network system
  • Interference suppression method of relay cellular network, base station and network system

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Embodiment Construction

[0031] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0032] figure 1 It is a schematic flow diagram of the method of the first embodiment of the present invention, including:

[0033] Step 11: The base station divides the user equipment in the cell into central user equipment and edge user equipment, and divides the resources available in the cell into mutually orthogonal first resources and second resources, and the first resources are used for the base station and the relay The node and the base station are used for communication between the central user equipment, the second resource is used for communication between the relay node and the edge user equipment, and the second resource in the cell is orthogonal to the second resource in the adjacent cell;

[0034] Step 12: The base station determines appropriate edge user equipment corresponding to each second resource...

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Abstract

The invention discloses an interference suppression method of a relay cellular network, a base station and a network system. The method comprises the following steps of: dividing UE (User Equipment) in a district into center UE and edge UE and dividing available resources in the district into a first resource and a second resource which are mutually orthogonal, wherein the first resource is used for the communication between the base station and a relay node as well as between the base station and the center UE, the second resource is used for the communication between the relay node and the edge UE, and the second resource in the district and a second resource in an adjacent district are mutually orthogonal; and confirming suitable edge UE corresponding to the second resources and respectively allocating all the second resources to the corresponding suitable edge UE. The embodiment of the invention can effectively suppress the interference of the edge UE among the districts and improve the system performance of the relay cellular network.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a method for suppressing interference of a relay cellular network, a base station and a network system. Background technique [0002] Future mobile communication systems need to support high-speed transmission under high mobility and have wider service coverage. This requires not only the adoption of advanced transmission technologies, but also the support of new network architectures. With the development of wireless communication, multi-hop relay is gradually introduced into the traditional cellular network. By introducing a relay node (Relay Node, RN) between the base station and the mobile station, its transmission channel is controlled by a relay node consisting of multiple RNs. Composed of forwarding links to increase system throughput, expand system coverage, reduce transmit power, and improve cell edge signal quality. The more important point is that the base stations ...

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Application Information

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IPC IPC(8): H04W72/08H04W84/02H04W88/04H04W88/08
Inventor 张洁涛田辉张平江帆王稀君
Owner HUAWEI TECH CO LTD
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