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Huawei and Vodafone (the world’s second-largest mobile communications company) announced the successful trial of 2 Tbit/s wavelength-division multiplexing (WDM) fiber-optic transmission technologies on Vodafone’s live network. The field trial achieved 2 Tbit/s transmission capabilities spanning a 3325 km length huawei access network, a data-highway capacity 20 times above current commercially deployed 100 Gbit/s systems. This could bring about advanced optical transport systems with capacities far beyond the present 100G technology, says Huawei.
Microwave transmission, an important solution for mobile backhaul networks over the years, struggles to meet up with the need for multi-Giga bandwidth at long distances. Etisalat Misr, using the Huawei Super Dual Band microwave solution, has achieved 6.19 Gbps over the relatively telephone long distance (3.37 km) link inside Alex region, applying state-of-the-art features (EPLA, AM and QoS) that stretch the huge benefits from the E-Band equipment.
Huawei’s Super Dual Band is undoubtedly an innovative solution, which bonds the original frequency (6-42 GHz) along with E-Band (71-86 GHz) within a unique manner, offering increased protection via special link aggregation techniques and advanced Quality of Service mechanisms. The Super Dual Band solution combines cross country benefit of traditional frequencies together together with the large capacity good thing about the E-Band, ensuring efficient multi-Giga transmission.
Cohere says OTFS generates a two-dimensional look at the delay and signal fading of an wireless channel. It spreads information across a serious amounts of frequency, that enables signals to profit from diversity from the channel while penetrating through concrete and glass, as well as achieve high degrees of immunity to fading, multipath along with other signal impairments at thunder-link.
In its early tests it trialled its technology among tall buildings and mountains as well as in moving vehicles, and declared the OTFS radios never faded, even over distances above four kilometers, as OFDM ones would've done. A minimum of 4bps/Hz was achieved in 10 MHz of spectrum from the 3.5 GHz band, driving speeds of 120Mbps to 320Mbps. The company’s initial trials purchased currently available 2×2 or 4×4 MIMO antenna arrays nevertheless its roadmap is always to produce Massive MIMO radios with 64×64 arrays, and move up on the millimeter wave bands.