Discussion on the “Top 5 Factors for Choosing the Right Connectivity Technologies”

时间： 2024-09-10 来源：Sierra Wireless Official Website

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Today, more than a dozen of standard wide-area network technologies are available for deploying connected products and assets on a global scale. To help organizations navigate this complex connectivity landscape, we've invited two IoT experts—Leif-Olof Wallin (industry analyst) and Gus Vos (Chief Scientist at Semtech)—to talk about the top technology selection criteria in a webinar held on May 14, 2024.

The webinar featured an engaging Q&A session, where both IoT experts explored the nuances of technology selection and shared their perspectives on the evolution of 5G technologies over the coming decades. Believing that this conversation will be beneficial for technical decision-makers, we have compiled the top discussions in this blog.

Why will LTE-M and NB-IoT have a longer lifespan compared to LTE?

LW (Leif-Olof Wallin): The short answer is that only these two technologies from LTE have been carried over into 5G unchanged. Therefore, an LTE-M module deployed today on an LTE network should seamlessly transition to a 5G network and continue to function.

GV (Gus Vos): That’s a good question. The answer isn't straightforward, as there are various factors at play. Initially, we set out timelines for the potential shutdowns of these technologies, which naturally come with some uncertainties.

Operators recognize this need and, after working with customers, now face a decision: which technology should they maintain for the long haul, potentially up to 2045 or beyond? When it comes to choosing between LTE, LTE-M, or NB-IoT, the technical aspects become crucial.

Maintaining LTE-M and NB-IoT networks is less burdensome. These technologies have lower capacity requirements and specifications, meaning they can operate within a 5G NR network more efficiently and with less overhead compared to an LTE network. Essentially, the reduced operational burden makes LTE-M and NB-IoT more appealing for operators to sustain, meeting market demand more effectively.

What technology would provide the best coverage, 5G RedCap, 5G eRedCap, or LTE-M?

LW: When comparing narrowband IoT and LTE-M, these technologies are designed for better reach. The coverage area of a single cell using these technologies is significantly larger than that of a conventional LTE module. Therefore, I'd say these technologies offer greater coverage from a single cell. Would you like to add any details?

GV: No, I agree with that perspective. LTE-M and NB-IoT have complex mechanisms that allow for deep coverage. However, the extent of this coverage depends on the operator's configuration. Deeper coverage can reduce battery life and spectral efficiency, so operators might not always use the maximum potential. 5G RedCap and 5G eRedCap have also seen efforts to enhance coverage, but to my knowledge, these techniques have not been widely deployed. Even if they were, they wouldn't match the coverage enhancements provided by LTE-M and NB-IoT.

In short, LTE-M and NB-IoT offer superior coverage, while 5G RedCap and eRedCap provide less, depending on operator deployment.

If you start deploying NB-IoT or LTE-M in an LTE network today, can you move to a 5G network without changing the IoT devices?

GV: The short answer is yes, you can move to a 5G network without changing your IoT devices, but it depends on what you mean by "5G network."

NB-IoT and LTE-M can be deployed in-band as per Release 13 using dynamic spectrum sharing or a portion of the spectrum without any modifications. This means they can coexist with 5G NR technologies seamlessly. However, the transition depends on whether the network in question utilizes a 5G core (5GCN) or a 4G core (EPC).

Currently, most NB-IoT and LTE-M devices are designed to work with the 4G core. If the network operator has deployed 5G with a 5G core instead of the 4G core, the existing NB-IoT and LTE-M devices would not function properly since they only support the 4G core (EPC).

In Release 16, a standardization mechanism was introduced to support the 5G core for NB-IoT and LTE-M. However, the devices currently deployed or even those being released now do not support this feature. In the future, there is potential to add this feature as a software update to NB-IoT and LTE-M devices, which would then enable them to work with a 5G core.

So, while the transition is technically feasible, it hinges on the network core being used and the current capabilities of the IoT devices.

Why wouldn't we use NB-IoT for asset tracking in special cases where you could send messages every 2 hours, and more frequent messages like every 15 minutes in rare event situations?

LW: We do not recommend NB-IoT for asset tracking because it doesn't really support devices that move and switch between cells. If the application is mostly stationary and the connection time (amount of data) is short, NB-IoT may work.

Why don’t you recommend using 5G RedCap for asset tracking?

GV: 5G RedCap is still a very nascent technology; it’s still expensive and more power hungry than LTE-M. At this point in time, there are only 4 operators supporting 5G RedCap globally and 3 of them are in China. As more operators support 5G RedCap and chipset costs come down, it’ll be an alternative, especially where external power is available.

Can you name a year when you expect the 4G network will shut down in Europe or in the US?

LW: For Europe, it's likely beyond 2035. The only place where it might happen earlier is North America, due to greater pressure to release spectrum. We're also witnessing significant 5G infrastructure development by all major operators in the US. So, perhaps the US could see a 4G shutdown a bit earlier, but I would still estimate it around 2035. What do you think, Gus?

GV: We’re giving as much guidance as we can, but these timelines often change. For instance, the 2G and 3G shutdowns in North America experienced multiple delays, especially the 2G shutdown. Even if an operator announced a shutdown date today, it's not a certainty due to potential delays.

What are the regulatory/privacy considerations for a global deployment?

LW: There are a lot of regulatory issues and privacy laws that vary almost from country to country. It can also be a bit different if the service is consumer-facing or business-facing. Most of the considerations fall into the following areas:

Does the country's regulator allow permanent roaming or not? Brazil and Turkey are two major countries that don't allow permanent roaming, but there are others.
Mandatory local (in-country) break out of traffic.
Mandate that data can't leave the country (must be stored in country)

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本文由Ray转载自Sierra Wireless Official Website，原文标题为:Discussion on the “Top 5 Factors for Choosing the Right Connectivity Technologies”，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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MeiG Smart has launched the 5G module SRM815. This series of 5G modules adopts Qualcomm SDX55 5G baseband chipset platform, which can be used in 3G/4G formats and 5G commercial network bands in global major regions and carriers. It conforms to the 3GPP R15 standard, supports 5G SA ＆ NSA, LTE Cat.20, and integrates GNSS internally. This series of modules can workin complex industrial environment and can be widely used in the field of industrial Internet, as well as innovative applications such as 5G+ AVG robot, 5G+ NC machine tool, 5G+AI quality inspection, 5G+ HD wireless video, etc.

2020-11-27 - 新产品代理服务技术支持现货查询批量订货

Iot Made Easy: Energiya and Semtech Corp Collaborate to Enable Customers to Quickly Connect Any Device to the Cloud

Semtech(formerly Sierra Wireless) and Energiya collaborate to connect legacy devices to the cloud via the FX30 gateway, which supports 4G LTE and is expandable with Energiya‘s add-in cards. This solution is designed for minimal effort IoT integration and includes a global SIM for cloud connectivity. It‘s suitable for various applications, from industrial to environmental monitoring, and requires the FX30, a SIM, add-in cards, and optional custom application development.

2024-09-10 - 应用方案代理服务技术支持现货查询批量订货

LONGSUNG（龙尚）无线通信模块选型指南（英文）

目录- Broadband Module Smart Module Automotive Module LPWAN Module PCBA

型号- MU990CD,U9507C R2,U9507C R3,U9507C V2,U9507C V3,E9720,PE9330,U9507E,U9507C SGCC,MU960 X,U9507A,A9800,A8300 R2,U9507C V2C,U9507C V2CC,MU990C53,U9507C V2A,EX520,PX9001,M6700,E9720 R2,U9507C ATA,S9700,A9500C,PE9340,V9700,MU960 V2C,PE9321,E9720 R3,E9510,PE9320,PX9000,A8901,A9600 R2,U9300C,EX510,MU970C,MU990C,VX95,EX610,M5700

2020/3/27 - LONGSUNG - 选型指南 - Version: LS-B-PC-202003-CH 代理服务技术支持现货查询批量订货

Neoway‘s Showcase at Convergence India 2023 Empowers the Advancement of the Internet of Things Market in India

Neoway cloud-pipe-device integrated access communications solutions and services were prominently featured at the event again, highlighting the company‘s latest application achievements in intelligent energy, vehicle networking, and other fields.