Internet of Things (IoT) was once again a top theme of Mobile World Congress this year. IoT is now becoming a reality thanks to pervasive telecom networks built on 3GPP standards. There are many use cases for IoT, including applications for sustainability development. Ericsson showcased a number of applications at its booth that demonstrate how IoT can be leveraged for sustainability.

Read more: Ericsson showcases IoT for sustainability at MWC 2018

At the Mobile World Congress (MWC) 2018, Huawei is presenting technologies and solutions for 5G, All-Cloud network, video, and IoT. Huawei is engaging with industry leaders, sharing its experience and successes, and showcasing leading products and scenario-specific solutions. In particular, it will focus on the three key issues of better connections, better business growth, and better experience. With its carrier customers and partners, the company is helping to build a fully connected, intelligent world.

Read more: Huawei and partners stride towards a fully connected, intelligent world

ZTE, a major international provider of telecommunications, enterprise and consumer technology solutions for the Mobile Internet is showcasing its latest achievements in 5G commercialization, 5G connectivity, cloud services, Internet of Things applications as well as new terminal products at Mobile World Congress 2018 in Barcelona, further enhancing the company's leadership in 5G innovations.

Read more: ZTE showcases its achievements in 5G commercialization at MWC

Elm, the leading national company in providing digital solutions, participates in the Armed Forces Exhibition for supporting domestic manufacturing "AFED 2018" held under the patronage of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz from February 25 to March 3 at the Riyadh International Convention and Exhibition Center in the capital Riyadh.

Read more: Elm sponsors AFED exhibition strategically and offers a number of innovative solutions

In the framework of the Mobile World Congress, Huawei Consumer Business Group (CBG) launched its Huawei 5G customer-premises equipment (CPE), the world's first commercial terminal device supporting the globally recognized 3GPP telecommunication standard for 5G. This device marks a milestone as Huawei sets the stage for the next generation of wireless connectivity.

Read more: Huawei brings the all-connected world to Mobile World Congress

Ericsson held a press conference at Mobile World Congress early Monday in Barcelona, where CEO Borje Ekholm outlined the vendor's ambitions and expectations for 5G and IoT. While Ericsson aims to be the partner for operators to adopt the next-generation technology, Ekholm warned 5G is "inherently more complex" compared to previous generations, and urged operators to prepare for it as soon as possible.

Read more: Ericsson CEO urges operators to be early 5G adopters

Swisscom and Ericsson are closely collaborating on end-to-end network slicing for critical communications in a joint project to deploy and explore new use cases for 4G and 5G. The project is based on Ericsson radio access and core networks, and one of the first steps is to test how the functionality can support critical communications over public networks, for example, in the public transport sector.

Read more: Ericsson and Swisscom to demonstrate network slicing at MWC 2018

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