What is SDL and Sul in 5G?

Supplementary Downlink ( SDL ) and Supplementary Uplink ( SUL ) are modes that allow only downlink or uplink in those bands . SDL and SUL are meant to provide additional capacity. In practice, industry looks at 5G spectrum in terms of low-band (600-700 kHz), mid-band (3-5 GHz) and high-band (26-100 GHz).

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What is FR1 band?

FR1 (4.1 GHz to 7.125 GHz ) band of frequencies are used for carrying most of the traditional cellular mobile communications traffic, while the FR2 (24.25 GHz to 52.6 GHz) band of frequencies are focused on short-range, high data rate capabilities.23 Nis 2020

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What band is 3500 MHz?

n78 (3500 MHz), or commonly referred to as the 3.5 GHz 5G band, or C-band 5G , is the most commonly tested and deployed 5G frequency. The n78 band’s popularity is due to its relatively common availability, with lower cellular spectrum already in use by 3G and 4G networks.

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What is DL frequency?

In case of FDD (Frequency Division Duplex) LTE downlink channel (DL, eNB transmits UEs receive) and uplink channel (UL, UEs transmit eNB receives) are transmitted simultaneously on different frequencies. Also each band is marked by LTE release number where it was defined.

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