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MIOTY – the New LPWAN Standard for Sub-1 GHz Communication

NOV
12
2020
12. NOV 2020

Lecture electronica Conferences > Wireless Congress > Session 12: Mioty I

13:10-13:30 h | Virtual

Low-power wide-area (LPWAN) networks are used in applications that communicate infrequently such as flow-meters, environmental sensors (temperature and humidity), and smart parking. These sensors typically sleep from minutes to hours between every transmission and are less dependent on a high data throughput. The Massive Internet of Things (MIOTY) protocol enables the division of data packets into smaller subpackets, making the in air time shorter which in turn decreases the risk of collisions and data loss for the packet. The physical layer (PHY) and link layer of the MIOTY technology is based on the TS 103 357 public technical standard (TS) from the European Telecommunications Standards Institute (ETSI). MIOTY has already been tested with three independent silicon providers, eliminating the risk of vendor lock-in. One of the devices that have been used for testing is the CC1310 microcontroller (MCU) from Texas Instruments (TI). The MIOTY solution offers a star network for low-power end nodes as well as a gateway solution for cloud connectivity with a complete long-range and low-power solution for worldwide Sub-1 GHz communication. The goal of the MIOTY Alliance, the governing body of MIOTY, is to enable the most accessible, robust and efficient connectivity solution on the market. No costs are involved with using the radio spectrum as MIOTY operated in the license-free bands around the world. Instead of transmitting large data packets that are vulnerable to interference, MIOTY splits up the data packet into smaller data packets and distributes them over the time and frequency domains. This method is called telegram splitting multiple access (TSMA) and is the differentiating factor with MIOTY which creates a more robust and scalable LPWAN solution. Thanks to the telegram splitting and the forward error correction, up to 50% of the subpackets can be lost and still be decoded correctly. The TSMA pattern defines how the subpackets are distributed over the time and frequency domains. There are eight different patterns that are selected pseudo-randomly by the sensor and embedded in the packet so the gateway knows how to resolve the incoming packets.The gateway is receiving on all channels at once, making it possible to receive and resolve telegrams from multiple sensors simultaneously. MIOTY has a similar link budget to other LPWAN solutions, which may indicate that they have the same range. But because the TSMA method increases the system robustness, MIOTY actually achieves a more reliable link compared to other LPWAN solutions. MIOTY can offer a range of up to 5 km in urban areas and 15 km in rural environments. MIOTY can help IoT developers overcome challenges such as achieving a long battery life and meeting long-range requirements and also help overcome performance degradation in high-node-count networks.

Subjects: Wireless

Speaker: Elin Wollert (Texas Instruments)

Type: Lecture

Speech: English

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Low-power wide-area (LPWAN) networks are used in applications that communicate infrequently such as flow-meters, environmental sensors (temperature and humidity), and smart parking. These sensors typically sleep from minutes to hours between every transmission and are less dependent on a high data throughput. The Massive Internet of Things (MIOTY) protocol enables the division of data packets into smaller subpackets, making the in air time shorter which in turn decreases the risk of collisions and data loss for the packet. The physical layer (PHY) and link layer of the MIOTY technology is based on the TS 103 357 public technical standard (TS) from the European Telecommunications Standards Institute (ETSI). MIOTY has already been tested with three independent silicon providers, eliminating the risk of vendor lock-in. One of the devices that have been used for testing is the CC1310 microcontroller (MCU) from Texas Instruments (TI). The MIOTY solution offers a star network for low-power end nodes as well as a gateway solution for cloud connectivity with a complete long-range and low-power solution for worldwide Sub-1 GHz communication. The goal of the MIOTY Alliance, the governing body of MIOTY, is to enable the most accessible, robust and efficient connectivity solution on the market. No costs are involved with using the radio spectrum as MIOTY operated in the license-free bands around the world. Instead of transmitting large data packets that are vulnerable to interference, MIOTY splits up the data packet into smaller data packets and distributes them over the time and frequency domains. This method is called telegram splitting multiple access (TSMA) and is the differentiating factor with MIOTY which creates a more robust and scalable LPWAN solution. Thanks to the telegram splitting and the forward error correction, up to 50% of the subpackets can be lost and still be decoded correctly. The TSMA pattern defines how the subpackets are distributed over the time and frequency domains. There are eight different patterns that are selected pseudo-randomly by the sensor and embedded in the packet so the gateway knows how to resolve the incoming packets.The gateway is receiving on all channels at once, making it possible to receive and resolve telegrams from multiple sensors simultaneously. MIOTY has a similar link budget to other LPWAN solutions, which may indicate that they have the same range. But because the TSMA method increases the system robustness, MIOTY actually achieves a more reliable link compared to other LPWAN solutions. MIOTY can offer a range of up to 5 km in urban areas and 15 km in rural environments. MIOTY can help IoT developers overcome challenges such as achieving a long battery life and meeting long-range requirements and also help overcome performance degradation in high-node-count networks.

Elin Wollert

Elin Wollert

Texas Instruments

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Elin Wollert
Elin Wollert

Location

Eingang
Nord-West
ICM
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Atrium
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Freigelände
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