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What’s 5G Broadcast/Multicast? – RCR Wi-fi Information

Rohde & Schwarz and Qualcomm will show the know-how at CABSAT convention in Could

One of many use circumstances being explored for 5G techniques is that of distant media manufacturing. However the 5G normal additionally provides a built-in broadcast perform, referred to as 5G Broadcast/Multicast.

A broadcast or multicast performance isn’t new in mobile techniques — 5G Broadcast/Multicast has a predecessor in earlier mobile generations, referred to as MBMS: Multimedia Broadcast Multicast Providers (MBMS), which was explored within the mid-oughts by the likes of Qualcomm (through MediaFLO), Verizon and MobiTV, offering stay or linear TV providers to cell phones. However cell TV in its early incarnations in the end spluttered and didn’t succeed commercially. Customers on the time most well-liked to decide on their video content material, even when that meant quick clips from the web and ultimately from YouTube and social media, somewhat than watch conventional tv content material on their telephones.

The 3GPP point-to-multipoint interface specification outlines the power for a mobile community to ship broadcast and multicast providers, both at a community degree or to chose cells. That is considerably just like how emergency alerts are broadcast primarily based on a tool’s location—which is one other potential use case for the know-how.

Whatever the industrial success (or lack of), MBMS has continued to evolve in 3GPP requirements work. In LTE, it turned enhanced MBMS (eMBMS), which additionally noticed a number of know-how demonstrations, however not a lot in the way in which of economic implementation. In 5G, eMBMS has been iterated to 5G Broadcast/Multicast. May its potential for offering video streaming providers with excessive spectral effectivity imply that mobile broadcast might lastly change into a industrial actuality?

In line with check firm Rohde & Schwarz, 5G Broadcast/Multicast “isn’t restricted to linear and stay content material” distribution.

“For community operators and media content material suppliers it provides a very new vary of enterprise fashions for delivering content material or knowledge to massive numbers of customers and with out affecting the common mobile 5G cell community,” Rohde & Schwarz stated, including that the know-how might be used inside massive public venues or for the automotive sector, in addition to by authorities officers or emergency providers to ship messages to the general public throughout pure disasters or emergencies.

Rohde & Schwarz and Qualcomm Applied sciences—each longtime supporters of MBMS-based applied sciences—will characteristic a stay, end-to-end demonstration of 5G Broadcast/Multicast streaming at CABSAT 2022 subsequent month in Dubai; the occasion focuses on broadcast media and satellite tv for pc applied sciences.

The demonstration, in response to R&S, will ship pre-recorded content material, transmitted stay through a 3GPP-compliant, Launch 16-based 5G Broadcast sign over-the-air, through sectorized antennas from Kathrein (now a part of Ericsson) to check units from Qualcomm. Rohde added that the stay stream will depend on encoding know-how from Ateme, and the general set up and integration carried out by Assendive Communications.

The demonstration will embody 5G Broadcast/Multicast working in a Obtain-Solely Mode (ROM) and Free-To-Air (FTA)—maybe most curiously, with out the necessity for a SIM card, a characteristic which is named SIM-free reception. The demo will function inside the UHF band.

Rohde and Schwarz helped to allow a comparable demonstration at this 12 months’s Cellular World Congress Barcelona, with Qualcomm and Cellnex. In February 2020, R&S indicated that it had large-scale trials of its 5G Broadcast system underway in Munich, Beijing, and Rio de Janeiro.

“We’re giving CABSAT attendees a style of what 5G Broadcast can do, with out compromising present cell mobile providers, and exhibiting how it’s doable utilizing know-how and options which can be accessible now,” stated Manfred Reitmeier, VP of broadcasting and amplifier Techniques at Rohde & Schwarz. “We’re proud to collaborate with Qualcomm Applied sciences on this modern challenge and provide a view into the potential that 5G provides.”

Lorenzo Casaccia, VP of technical requirements and mental property at Qualcomm Applied sciences, famous that the demonstration exhibits “the supply of digital TV content material over 3GPP standardized know-how – with out the necessity for added chipsets. Due to our new 5G R&D know-how demonstration we will show that this isn’t only a far-off risk, it’s right here right now and could be skilled first-hand.”



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