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8 Channel Dual-band Aggregated 60 Gbps mm-Wave Link Deployed as a Backup for 200 Gbps Fiber

Fastest in the industry dual-band 8-channel (4x 10 Gbps E-band plus 4x 5 Gbps Q-band) industry-record wireless connection with aggregated 60 Gbps throughput operates on a distance of 11 km (6.8 miles). 

DOK Ltd, ELVA’s manufacturing partner has announced the installation of mm-wave 4x 5 Gbps Q-band (40.5-43.5 GHz) radio links as an upgrade to the previously installed four 70/80 GHz 10 Gbps radios across the Yenisei River in the Arctic Circle. All the wireless radios are being deployed at the same telecom towers in Igarka city and Priluki village, at an 11 km distance above the river.

The customer, “Edinstvo” Ltd, a subsidiary of “Norilsk Nickel”(LSE: MNOD) is responsible for the telecommunication services of the holding, has recently expanded its fibre backbone to Norilsk city to 200 Gbps and increased its wireless mm-wave backup over Enisei River up to 60 Gbps aggregated throughput.

Two independent dual-radio Q-band (40.5-43.5 GHz) wireless links (PPC-10G-Q-3ft/2+0) were used to upgrade the link. Each channel in the PPC-10G-Q-3ft/2+0 wireless bridge provides 5 Gbps full-duplex capacity, with a total capacity of the Q-band throughput equal to 20 Gbps (4x 5 Gbps), with its own transceiver, cables and power supply.  A pair of radios work in different polarization, sharing a single 3ft antenna via diplexer.

This is currently the first in the industry deployment of polarity- and frequency-separated aggregated Q-band link with such capacity. Wireless radios are using 3ft antennas, which is a rare case for Q-band, so additional adjustable struts were used to sustain additional wind load.

The network team of “Edinstvo” has solved the difficult task of improving the fiber line reliability at its most complicated stage, the underwater crossing of Yenisei River near the city of Igarka (Krasnoyarsk region). During the winter season of 2020-2021, a unique project of horizontal directional drilling in permafrost under the Enisei river bed has been completed before the seasonal ice drift, by drilling simultaneously from both left and right banks of the river.

The unique dual-band combination of 8 multigigabit radios working together at E-band and Q-band allows significantly improve wireless connection availability under precipitation of different types and densities.

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About ELVA-1

Founded in 1993, ELVA -1 has facilities in Estonia and contracted manufacturing in St.Petersburg, Russia. Since 1993 the company has designed and manufactured millimetre wave equipment for communications and scientific sectors. For the past decade ELVA-1 has concentrated on designing high quality communications point-to-point radios, this has culminated in the release of the PPC-10G, the world’s longest range commercially available 10+ Gigabit radio. Company has a dedicated website for telecom products http://tele.elva-1.com.

About NORILSK NICKEL and Edinstvo

PJSC «MMC NORILSK NICKEL» is a diversified mining and metallurgical company, the world’s largest producer of refined nickel and palladium and a leading producer of platinum, cobalt, copper and rhodium. The company also produces gold, silver, iridium, selenium, ruthenium and tellurium.

The production units of «NORILSK NICKEL» Group are located at the Norilsk Industrial District, on the Kola Peninsula and Chita region in Russia as well as in Finland and South Africa. PJSC «MMC «NORILSK NICKEL» shares are listed on the Moscow and Saint-Petersburg Stock Exchanges. PJSC «MMC «NORILSK NICKEL» ADRs trade over the counter in the US and on the London and Berlin Stock Exchanges. Company website https://www.nornickel.com.

“Edinstvo” Ltd. is a regional-wide carrier, providing high-speed connectivity between the “Mainland” and cities and towns of Norilsk industrial cluster along its main communication backbone lines, increasing resillence of both rural communities and businesses in the Far North. Mor information about the company: www.nn-edinstvo.ru.

sergbe8 Channel Dual-band Aggregated 60 Gbps mm-Wave Link Deployed as a Backup for 200 Gbps Fiber
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Year-round availability statistics for industry-first commercial 40 Gbps E-band wireless channel

Year-round 2019-2020 statistics for the availability of 40 Gbps 70/80 GHz radio across the Yenisei river in the Arctic Circle was revealed for the public.

DOK Ltd, ELVA’s manufacturing partner in Russia today has reported availability statistics for 40Gbps E-band wireless channel commissioned in August 2019 for Norilsk Nickel (LSE: MNOD) and broadband Internet access for local residents. This installation of E-Band PPC-10G-E-HP / 2+0 radios was done by DOK Ltd. engineers jointly with specialists of Edinstvo Ltd., a subsidiary of Norilsky Nickel, who is responsible for the telecommunications of the holding..

PPC-10G-E-HP / 2+0 radios operate in the frequency range 70/80 GHz and have two independent 10 Gigabit Ethernet channels. Two PPC-10G-E-HP / 2 + 0 radio bridges with various center frequency and cross-polarization of the signal allows getting 40 Gbps aggregate total bandwidth.

Pavel Vadov, technical director of Edinstvo Ltd., said, “We are pleased with the operation of the radio channel between the Igarka and Priluki sites across Yenisei river. The equipment meets our requirements for the availability of a communication line and has shown itself well when operated in the Arctic Circle. Now we are considering the possibility of increasing the capacity of the radio bridge by 4x more 10GE channels, using similar equipment from DOK for the 40.5-43.5 GHz Q-band spectrum.”

The actual annual availability of the aggregated channel for four transceivers shows compliance with the calculated values according to the line budget calculator. In terms of rain zones according to ITU-R PN.837-1 recommendation, Igarka with a value of 17 mm/h for 0.01% of the annual probability of rainfall is located between the rain zones C (15 mm h) and D (19 mm/h). The projected availability of the channel was confirmed experimentally, occupying an intermediate value between the calculated values for rain zones C (15 mm/h) and D (19 mm/h).

The equipment met Edinstvo operator’s requirements for the availability of a communication line and has shown itself well operated in the Arctic Circle.

The diagram shows the actual availability of the aggregated channel when operating in the adaptive radio modulation mode, with modulation schemes switching from QAM128 to BPSK. The hardware-controlled mode of adaptive modulation of the PPC-10G-E-HP / 2 + 0 radio bridges ensures the ability of the wireless communication line to maintain a connection at various rain levels by switching from QAM-128 modulation to lower types of signal coding QAM-64, QAM-32 etc. to BPSK. This increases the link budget ratio of the radio by temporarily reducing the data rate. After passing the rain front, the automation restores the nominal values ​​of the 10 Gbps throughput for each transceiver.

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About ELVA-1

Founded in 1993, ELVA -1 has facilities in Estonia and contracted manufacturing in St.Petersburg, Russia. Since 1993 the company has designed and manufactured millimetre wave equipment for communications and scientific sectors. For the past decade ELVA-1 has concentrated on designing high quality communications point-to-point radios, this has culminated in the release of the PPC-10G, the world’s longest range commercially available 10+ Gigabit radio. Company website for telecom products http://tele.elva-1.com.

 

About NORILSK NICKEL

PJSC «MMC NORILSK NICKEL» is a diversified mining and metallurgical company, the world’s largest producer of refined nickel and palladium and a leading producer of platinum, cobalt, copper and rhodium. The company also produces gold, silver, iridium, selenium, ruthenium and tellurium.

The production units of «NORILSK NICKEL» Group are located at the Norilsk Industrial District, on the Kola Peninsula and Chita region in Russia as well as in Finland and South Africa. PJSC «MMC «NORILSK NICKEL» shares are listed on the Moscow and Saint-Petersburg Stock Exchanges. PJSC «MMC «NORILSK NICKEL» ADRs trade over the counter in the US and on the London and Berlin Stock Exchanges. Company website https://www.nornickel.com.

sergbeYear-round availability statistics for industry-first commercial 40 Gbps E-band wireless channel
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10+ gigabit train to ground communication tested

Resilient and secure broadband communications for high-speed rail is true now.  ELVA-1 70/80 GHz wireless radios were successfully tested for train-to-ground communication at real railway conditions on high-speed Russia to Finland railway line. The max aggregated throughput reached 11300 Mbps. 

sergbe10+ gigabit train to ground communication tested
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PPC-10G Radios Tested on 10 km Over Black Sea for Resistance to Reflections from Sea Surface

PPC-10G-HP radios were tested by Alpika-Telecom LLC on two routes in ITU-R rain zone “K”: Anapa-Vityazevo and Anapa-Yurovka. The Anapa-Vityazevo path had a wireless route length of 10.5 km and passed over the Black Sea in the Anapskaya Bay area. The second path Anapa-Yurovka with a route length of 15.9 km had a significant elevation towards Yurovka and passed over the suburban area.

sergbePPC-10G Radios Tested on 10 km Over Black Sea for Resistance to Reflections from Sea Surface
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New 19.5 km Record Distance Wireless Path for ELVA-1 70/80 GHz 10 Gbps Radio Link

In April, 2020 10Gbps E-band radio was successfully tested on longest in the industry wireless path of 19,482 m (12.1 miles). This is the first independently confirmed case of 12+ miles range for commercially available 10G radio operated in 71-76/81-86 GHz frequency spectrum (E-band).

sergbeNew 19.5 km Record Distance Wireless Path for ELVA-1 70/80 GHz 10 Gbps Radio Link
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