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Friday, 28 May 2021

Nokia Smart Node Modular 4G/5G Femtocell

We wrote about Nokia's 5G Small Cells late last year and about AirScale indoor Radio (ASiR) Small Cells back in July. Now they have just announced the launch of the Nokia Smart Node, a unique indoor mobile module solution delivering high-quality 4G and 5G indoor mobile coverage for residential and small-medium enterprise use. In simple words, a modular 4G/5G femtocell.

The press release said:

The compact, ‘plug and play’ modular design can be deployed readily in any environment to support evolving consumer applications. It is future-proofed to support 4G now and 5G networks when required and both non-stand-alone and stand-alone 5G applications through a software upgrade. Nokia Smart Node is available from Q4 2021.

Stylish, durable and smart, Nokia Smart Node is a dedicated indoor mobile solution with superior coverage and capacity and can be easily scaled from single to multiple units to meet total indoor coverage requirements. Its high-quality coverage, latency and reliability delivers ubiquitous 5G connectivity for specific use cases such as immersive entertainment. The ‘plug and play’ capabilities also make it easy to set up, which keeps installation costs to a minimum. It can be wall, ceiling or desktop mounted.

Nokia Smart Node supports traffic management by reducing core network load and optimizing macro resource allocation. It delivers uncongested high throughput network performance with existing secure authentication and provides a secure connection and SIM-based authentication to assure the quality required in mobile networks.

Mobile World Live added:

Nokia is marketing the solution to both enterprises and carrier customers. For enterprise customers, the vendor promotes the femto as part of a mobile network that can offer “hack proof” security, without requiring IT managers to understand and install complex security solutions. The Smart Node security solutions include digital certificates, IPSec for encryption with IKEv2, and firewall and tamper alarms.

For network operators, a 5G femto can provide local breakout and reduce operating costs, according to Nokia.  Whereas an outdoor small cell near an enterprise will require power, backhaul and real estate, an indoor solution lets the enterprise itself cover these expenses. The downside, of course, is that indoor solutions typically support just one enterprise customer while outdoor small cells could support several.

More information on Nokia Smart Node Femtocells is available here.

It is worth pointing out that many operators are choosing to phase out their indoor femtocell offerings in favour of Wi-Fi calling (VoWiFi). One such example is Vodafone UK who have announced that their Sure Signal femtocells will be switched off by September 2021. 

In addition, Wireless Wireline Convergence (WWC) in 5G is also expected to make access connectivity independent of the core services by allowing connectivity over Wi-Fi. This will accelerate phasing out of femtocells in future.

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Friday, 21 May 2021

Free Space Optical Communications (FSOC) as an Alternative to Fiber Deployments

Project Taara, a part of Alphabet's X moonshot factory, has been working on a wireless optical technology that could deliver high-speed, high-capacity connectivity to remote areas using a network of light emitters and receivers.

The Taara team has piloted their technology in India and Africa. Taara links offer a cost-effective and quickly deployable way to bring high-speed connectivity to remote areas. Taara links help plug critical gaps to major access points, like cell towers and WiFi hotspots, and have the potential to help thousands of people access the educational, business, and communication benefits of the web.

A potential solution to this problem arose during work on Project Loon. The Loon team needed to figure out a way to create a data link between balloons that were flying over 100 km apart. The team investigated the use of wireless optical communication technology to establish high-throughput links between balloons. Like fiber, but without the cables, wireless optical communication uses light to transmit high-speed data between two points.


Free Space Optical Communications, aka FSOC links use beams of light to deliver high-speed, high-capacity connectivity over long distances — just like fiber optic cable, but without the cable. And because there’s no cable, this means there’s none of the time, cost, and hassle involved in digging trenches or stringing cable along poles. FSOC boxes can simply be placed kilometers apart on roofs or towers, with the signal beamed directly between the boxes to easily traverse common obstacles like rivers, roads and railways.

The advantage of these High-throughput links are:

  • Flexible Technology: With a clear line of sight, wireless optical communication technology can transmit data at high speeds of up to 20 Gbps. A single link can cover distances up to 20 km and be used to extend fiber networks.
  • Long-Range: Long range line-of-sight data transmissions at 20+ km.
  • High-Speed: High-throughput supports 10-100s Gbps data rates.
  • Connectivity Across Terrains: The system is effective in areas that are difficult to connect using fiber cables. These include sites located around forests, water bodies, railway tracks, or land with high real estate costs.
  • Easy To Integrate: Based on open standards to work seamlessly with existing infrastructure and environments.

Looking forward to hearing more about how it's helping connect the unconnected.

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