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Channel state information measurements in communication networks

A technology for measuring matrix and cells, applied in the field of communication, can solve problems such as overestimating interference levels

Active Publication Date: 2021-06-18
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Unfortunately, at low loads, this approach often leads to an overestimation of the interference level, since the measurements are dominated by CRS transmissions in neighboring cells (assuming the same location of CRSs in neighboring cells), rather than the actual load independent

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  • Channel state information measurements in communication networks
  • Channel state information measurements in communication networks
  • Channel state information measurements in communication networks

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Embodiment Construction

[0020] The principles of the present disclosure will now be described with reference to some example embodiments. It will be appreciated that these examples are described only for illustrative purposes only and helps the present disclosure will be understood and implemented in the scope of the disclosure. In addition to the following description, the disclosure described herein can be implemented in a variety of other ways.

[0021] In the following description and claims, all techniques and scientific terms used herein have the same meaning as generally understood by those of ordinary skill in the art of the present disclosure, unless otherwise defined.

[0022] The embodiments described in the present disclosure will include specific features, structures, or characteristics, but there is no need to include each embodiment. Features, structures or properties. Moreover, such a phrase does not necessarily refer to the same embodiment. Further, when a particular feature, structural ...

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Abstract

Embodiments of the present disclosure relate to channel state information measurement in communication networks. According to embodiments of the present disclosure, the measurement resource unit, MRU, configuration is determined based on the number of MRU and the identity of the cell. The MRU configuration is scalable and the set of MRUs is reused by the network. In this way, the resources are saved and the accuracy is improved.

Description

Technical field [0001] Embodiments of the present disclosure generally relate to communication techniques, and more particularly to methods, devices, and computer readable media for channel status information (CSI) for communication networks. Background technique [0002] CSI report (regardless of non-periodic or periodicity) requires measurement of channel characteristics and interference levels. The measurement level is more troublesome, and the significant effect is measured by the transport activity in adjacent cells, such as collaborative selection and dynamic time division (TDD) in the collaborative multi-point (COMP), and the link direction assignment in Dynamic Time Duplex (TDD). [0003] In fact, interference is measured as noise on cell specific reference signal (CRS). That is, the residual is used as an estimate of the interference level after subtracting the reference signal from the received signal in the appropriate resource element. Unfortunately, in low load, this...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04B7/06H04W72/54
CPCH04J11/0023H04B7/024H04L5/0035H04L5/0048H04L5/0073H04B17/345H04W52/143H04W52/243H04B17/309H04B7/0626
Inventor 郭海友
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD