Network Node, Wireless Device and Methods Therein Relating to Time Division Duplex Configurations for Narrowband Internet of Things

Network Node, Wireless Device and Methods Therein Relating to Time Division Duplex Configurations for Narrowband Internet of Things

A method in a network node is provided. The method comprises determining (1304) a frame structure configuration for a narrowband Internet of Things (NB-IoT) system operating in time division duplex (TDD) mode. The frame structure comprises a plurality of subframes. The plurality of subframes compris...

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Hauptverfasser: BEHRAVAN, Ali, SHOKRI RAZAGHI, Hazhir
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Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator BEHRAVAN, Ali
SHOKRI RAZAGHI, Hazhir
description A method in a network node is provided. The method comprises determining (1304) a frame structure configuration for a narrowband Internet of Things (NB-IoT) system operating in time division duplex (TDD) mode. The frame structure comprises a plurality of subframes. The plurality of subframes comprises at least one of each of a downlink subframe, an uplink subframe, and a special subframe comprising a gap period during which no transmission occurs. The plurality of subframes is arranged such that the frame structure configuration is compatible with an uplink configuration of the NB-IOT system, e.g. having a subcarrier spacing of 3.75 kHz. The method further comprises communicating the determined frame structure configuration to a wireless device operating in the NB-IoT system.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Network Node, Wireless Device and Methods Therein Relating to Time Division Duplex Configurations for Narrowband Internet of Things
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