Monday, 23 May 2022 10:24

BT trials a new quantum radio to boost next-generation 5G & IoT networks

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BT announced a trial of a new hyper-sensitive quantum antenna technology using excited atomic states that could boost the capability of next generation 5G and IoT networks.

Atomic Radio Frequency (RF) receiver technology represents a revolutionary new way of detecting radio waves that could find much weaker signals than conventional receivers, BT https://www.bt.com/about stated.

The receiver works by using a quantum effect called “electromagnetically induced transparency” to form a highly sensitive electric field detector. BT said its trial represents the first time a digitally-encoded message has been received on a 3.6GHz (5G) carrier frequency. Previously, simple audio has been received using much higher frequencies but this trial is the first industrial demonstration using digital modulation within a main commercial 5G frequency range.

BT went on to say that this new type of receiver may reduce mobile network energy consumption, enable Internet of Things (IoT) devices to become more cost efficient and longer lasting and support lower-cost smart cities and smart agriculture.

Theoretically over 100x more sensitive than traditional receivers, the atomic RF Receiver can be positioned in a passive optical receiver in hard-to-reach locations, potentially bringing mobile networks closer to achieving one hundred percent coverage and helping to close the connectivity divide, the company claimed.

While the technology is still in the very early stages, it has the potential to provide greater sensitivity than conventional radio antennas, tuneable operation from very low frequencies, detection of analogue and digital modulation, and low energy consumption through reduced need for electronics. The new technology could in future form the basis of ultra-sensitive 5G receivers for use in very low power passive mobile networks, BT alluded.

BT says that researchers at its Labs in Martlesham are now working to miniaturise the equipment and find the optimum RF modulation and signal processing for potential use in future generations of radio networks.

BT chief technology officer Howard Watson said: “BT’s investment in cutting edge R&D plays a central role in ensuring the UK remains a network technology leader.

"Our programme has huge potential to boost the performance of our next generation EE network and deliver an even better service to our customers. Although it’s early days for the technology, we’re proud to be playing an instrumental role in developing cutting edge science”.

BT advised that it has also secured a number of patents related to the implementation of the atomic RF receiver and is the first company to make use of the technology to send a message at 3.6GHz.

Earlier this year, BT also said that it had its first external publication on its atomic RF Receivers accepted for publication in the prestigious Journal of Lightwave Technology.

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A versatile technology executive with extensive experience in most disciplines and technologies in the Information and Communications Technologies sector. Roles have encompassed general management, product management, business development, sales management, industry marketing, operations management, research and development, business case development, market research and forecasting, regulatory, strategy management, solution development, major project construction, process design and management, technology and management consulting, and engineering.

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    The latest Oppo flagship — the Find X5 Pro — appears to be built with this consideration in mind, with the company taking great pains to offer top-notch hardware, extremely fast charging, a big battery and an excellent display among a host of other notable features.

    Price-wise, the Pro matches the top models from Apple and Samsung, with an Australian RRP of $1799. On the marketing side, too, Oppo has gone hard, perhaps having become cognisant that its efforts in this direction have been a little lukewarm until now.

    Weighing in at 218 grammes, the Pro is a work of art, with a black body, somewhat reminiscent of the Samsung Galaxy, cloaked in a black protective case. Neither Apple nor Samsung offer such cases along with the phone.

    {loadposition sam08}The rear camera bump is fashioned in such a way, sloping down, so as to make it almost level at one end with the ceramic rear of the device. It is extremely pleasing to the eye.

    The LTPO2 AMOLED display measures 6.7 inches, offers a choice of refresh rates – up to 120Hz and up to 60 Hz; the former is snappy as expected and makes it a pleasure to use. Once again, top marks to Oppo for this display.

    What are now standard features for a phone in this price range — fingerprint and face recognition, IP68 water and dust resistance and 1440 x 3216 resolution — are all present.

    shaped plants

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    On the charging front, Oppo supplies an 80W Supervooc charger — neither Apple nor Samsung offer chargers — that can charge the device to 100% in a little less than 30 minutes. Wireless charging is also available, at 50W, though one would have buy a charger for $129 to use this feature.

    The fingerprint recognition is done through the front display, unlike in some cheaper Oppo models where it is through the on-off button.

    Oppo lags behind in name recognition when it competes against both Apple and Samsung – and this seems to be why it has tied up with Hasselblad for camera technology. But it is difficult to pick what has changed with the introduction of Hasselblad, as Oppo has always offered good cameras.

    The Pro is built atop a Qualcomm Snapdragon 8 Gen 1 SoC which uses a 4nm process. It tends to run a bit hot at times, when it is pushed to the hilt. But with 12GB of memory, that does not happen very often and the overall experience is extremely pleasant.

    The Pro comes with Android 12 and over this is overlaid Oppo's own ColorOS, the latter at version 12.1.

    The 50MP f/1.7 main camera has a 50MP f/2.2 ultrawide snapper that has a 110-degree field of view and a 13MP f/2.4 telephoto camera with 2x optical zoom. The selfie camera is a single 32 MP, f/2.4.

    flowers x1flowers x2

    The picture on the right is taken using 2x zoom

    The Pro has a new neural processing unit known as MariSilicon X which is claimed to improve video footage taken at night. Photos are very good overall, with bright colours, but low-light pictures still have some way to go before they are par for the course.

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    The Pro has excellent sound, no matter whether one uses Bluetooth headphones or not. One oddity I experienced was that it refused to pair with my favourite Bluetooth headset, a Sennheiser set. But with a no-name set, it produced very good sound.

    The X5 Pro is a 5G phone but I did not bother to test out the offerings of any of the three 5G providers in Australia, though I have always done so in the past. The reason is that 5G plans are not affordable at the moment and with a very good 4G service in Australia, one really doesn't need them.

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    outside sidewalk one

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    Build Glass front (Gorilla Glass Victus), ceramic back or eco leather back, aluminum frame

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    {loadposition sam08}The firm was said to have allegedly paid bribes to the Islamic State terrorist group in order to continue doing business in the country.

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    “AMTA appreciates and values the work of the IEEE SA and IEC to match 5G technology with the highest safety standards, and we look forward to working with the Government at all levels and our members to realise and embrace the full contribution of 5G to industries and communities,” Hyland said.

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