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Huawei completes all tests of 5G millimeter wave base stations

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5G millimeter wave base

According to the information, under the guidance of the IMT-2020 (5G) Promotion Group of China Academy of Information and Communications Technology, Huawei has completed all the functions and field performance test projects of 5G millimeter-wave base stations. The DDDSU frame structure has a single user downlink peak rate. More than 7Gbps.

In the functional test, Huawei completed a single carrier 200MHz large bandwidth under the independent networking (SA, Stand Alone), DDDSU and DSUUU flexible frame structure, millimeter wave downlink 4*200MHz, and uplink 2*200MHz frequency bands Internal CA (Carrier Aggregation, Carrier Aggregation) and millimeter wave and 3.5GHz high and low frequency NR-CA test items.

The large bandwidth of 200MHz on a single carrier can greatly increase the UE peak rate and maximize the advantage of millimeter waves. In September 2020, under the guidance of the IMT-2020 (5G) Promotion Group, domestic operators, mainstream equipment manufacturers and terminal manufacturers reached an agreement on the millimeter-wave single carrier bandwidth application standard: base stations and terminals must support 200MHz carrier bandwidth .

The high and low-frequency NR-CA can simultaneously take advantage of the large millimeter-wave bandwidth and the good coverage of 3.5GHz to ensure the continuous high-speed experience of 5G users. It is the mainstream technology direction of 5G high and low frequency synergy.

On the one hand, NR-CA technology is closer to signal to process on the radio frequency side, and can sense signal fluctuations in time, so that the base station can better perform offloading and scheduling, and improve transmission efficiency. On the other hand, the technology can support both NSA and SA networking architectures, and the network architecture and evolution are very flexible.

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With the DDDSU frame structure, the single-user downlink peak rate in the millimeter-wave frequency band is greater than 7Gbps, and the cell downlink peak rate is greater than 12Gbps. With the DSUUU frame structure, the single-user uplink peak rate in the millimeter-wave frequency band is greater than 2Gbps, and the cell uplink peak rate is greater than 7.5Gbps, and the uplink capacity is greatly improved.

5G millimeter wave base stations

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Huawei Petal Mail App will no longer be available for download

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Huawei Petal Mail App

According to the official information, the Huawei released the delisting announcement of its Petal Mail App. The full text of the announcement is as follows: [translated]

Thank you for your continued attention and support to the Huawei Petal Mail App. In order to better adapt to the changing needs of product experience, service content and local markets, we have made strategic adjustments to the Huawei Petal Mail App.

The Petal Mail App will officially switch to the Email App on December 31, 2024, and the Petal Mail App will no longer be available for download from the App Store. The Petal Mail App you have installed can be used normally. We apologize for the inconvenience. You can continue to view, send or receive emails in the pre-installed Email App on your Huawei phone or use a computer browser to open the Petal Mail official website ( https://www.petalmail.com ), and your emails and personal data will not be lost.

Huawei Petal Mail App

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Huawei Mate 70 lineup repair spare parts prices announced

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Huawei Mate 70 lineup

Huawei released the Mate 70 series of mobile phones, with a starting price of 5,499 yuan. At present, the prices of spare parts for the new Mate 70 series have been announced on Huawei’s official website.

Huawei Mate 70 lineup repair spare parts prices announced

Battery and motherboard

Mate 70

Battery — 199
12GB+256GB — 2499
12GB+512GB — 2899
12GB+1TB — 3599

Mate 70 Pro

Battery — 199
12GB+256GB — 2899
12GB+512GB — 3299
12GB+1TB — 3999

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Mate 70 Pro+

Battery — 299
16GB+512GB — 4399
16GB+1TB — 4899

Mate 70 RS

Battery — 299
16GB+512GB — 6499
16GB+1TB — 6999

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Huawei FreeBuds Pro 4 official announcement

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Huawei FreeBuds Pro 4

Huawei officially announced the new FreeBuds Pro 4 headphones. This is the first TWS headset equipped with HarmonyOS NEXT and will be officially launched at the Huawei Mate Brand Festival on November 26.

As can be seen from the poster, the headset adopts an in-ear design with black and gold color matching, and the overall shape is similar to the previous generation. With the support of the new system, FreeBuds Pro 4 is expected to bring more functional upgrades.

Huawei FreeBuds Pro 4

For reference, Huawei FreeBuds Pro 3 was released in September last year with an initial price of 1,499 yuan . It is equipped with the Kirin A2 chip that uses Polar code, supports Star Flash connection core technology and Bluetooth technology, and the new L2HC 3.0 protocol.

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