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Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations

A technology of subcarrier spacing and test model, applied in transmission systems, wireless communications, digital transmission systems, etc., can solve problems such as excessive arrangement

Active Publication Date: 2021-01-19
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010]Compared to LTE, the increased flexibility of NR poses new challenges for conformance testing
Also, the supported bandwidth and flexibility of the SCS would result in too many permutations

Method used

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  • Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations
  • Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations
  • Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations

Examples

Experimental program
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Effect test

Embodiment 1

[0097] Embodiment 1: A method performed by a test node, the method comprising: generating (700) a test signal for a specific bandwidth and subcarrier spacing combination, the test signal being scalable to a plurality of different bandwidth and subcarrier spacing combinations The test model is consistent.

Embodiment 2

[0098] Embodiment 2: The method of embodiment 1, wherein the test node is part of a radio node (eg part of a digital unit of a base station).

Embodiment 3

[0099] Embodiment 3: The method of embodiment 2, further comprising: sending (702), by the radio node, a test signal.

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PUM

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Abstract

Systems and methods for a scalable test model for a cellular communications system having multiple different bandwidth and subcarrier combinations are disclosed. Embodiments of a method performed by atest node and corresponding embodiments of a test node are disclosed. In some embodiments, a method performed by a test node comprises generating a test signal for a particular bandwidth and subcarrier spacing combination, the test signal being in accordance with a test model that is scalable for a plurality of different bandwidth and subcarrier spacing combinations. By using the scalable test model, the test model can be flexibly used to test for different bandwidth and subcarrier spacing combinations.

Description

[0001] related application [0002] This application claims the benefit of Provisional Patent Application Serial No. 62 / 683,471, filed June 11, 2018, and Provisional Patent Application Serial No. 62 / 689,571, filed June 25, 2018, the entire disclosures of which are hereby incorporated by reference. technical field [0003] The present disclosure relates to conformance testing for cellular communication systems, and in particular, to scalable test models for cellular communication systems for different bandwidth and subcarrier spacing combinations. Background technique [0004] New radio (NR) has introduced new aspects in mobile communications, one of which is the addition of multiple different subcarrier spacings (SCS) and A new bandwidth has been added at the 28GHz frequency band (FR2). The purpose of the different SCSs is to provide flexibility in supporting new applications such as ultra-reliable and low-latency communications (URLLC) and the Internet of Things (IoT), and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/10H04W24/00H04L5/00
CPCH04B17/10H04W24/06H04B17/0085H04B17/3912H04B17/13H04W16/22
Inventor E·西恩凯维奇S·内古塞T·查普曼R·巴尔德梅尔F·加斯马扎德
Owner TELEFON AB LM ERICSSON (PUBL)
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