Systems and methods of triggering interference mitigation without resource partitioning

A technique for interfering cells and interference estimation, applied in transmission systems, digital transmission systems, orthogonal multiplexing systems, etc.

Active Publication Date: 2015-10-21
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, CRS only represent a small fraction of REs (about 10%) within a resource block, so the relativ

Method used

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  • Systems and methods of triggering interference mitigation without resource partitioning
  • Systems and methods of triggering interference mitigation without resource partitioning
  • Systems and methods of triggering interference mitigation without resource partitioning

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Embodiment Construction

[0078] The embodiments set forth below represent the information necessary to enable those skilled in the art to practice the embodiments and illustrate the best mode of practicing the embodiments. Upon reading the following description in light of the accompanying drawing figures, those skilled in the art will understand the concepts of the disclosure and will recognize applications of these concepts not particularly addressed herein. It should be understood that these concepts and applications are within the scope of this disclosure and the appended claims.

[0079]Before describing embodiments of the present disclosure, the following definitions are instructive.

[0080] Radio Network Node: As used herein, the non-limiting term "radio network node" is used to refer to a node that serves wireless communication devices (eg, an instance of a user equipment device (UE)) and / or connects to other network nodes or networks Elements of any type of network node. Examples of radio ...

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Abstract

Systems and methods for triggering interference mitigation at a wireless device in a cellular communications network are disclosed. In one embodiment, a node associated with a cellular communications network makes a determination to trigger interference mitigation at a wireless device based on a signal load in at least one interfering cell from which transmissions result in interference at the wireless device during reception from a desired cell, a relation between reference signals used in the desired cell and the at least one interfering cell, and a timing relation between at least one of a group consisting of: signals transmitted by the desired cell and the at least one interfering cell and signals received at the wireless device from the desired cell and the at least one interfering cell. In response to making the determination, the node triggers interference mitigation at the wireless device.

Description

[0001] related application [0002] This application claims the benefit of Provisional Patent Application Serial No. 61 / 766996, filed February 20, 2013, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to interference mitigation at a wireless device in a cellular communication network, and more particularly, to triggering interference mitigation at a wireless device in a cellular communication network. Background technique [0004] In cellular communication networks such as 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) networks, there are two types of deployments, namely homogeneous and heterogeneous networks. A homogeneous network utilizes a single layer or hierarchy of radio network nodes. In one particular example, all radio network nodes in the homogeneous network are high power nodes (HPNs), such as wide area base stations serving macro cells. As another example, ...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04J11/00
CPCH04W24/02H04J11/005H04L5/0073H04W72/541
Inventor C.考特斯马尼斯L.林德博姆M.卡兹米
Owner TELEFON AB LM ERICSSON (PUBL)
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