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We are all connected globally—through sport and through high-speed data.
New 5G technologies bring the rest of the world closer, but as traffic increases, available
bandwidth becomes crowded. By using the higher mmWave spectrum, we can deliver faster,
higher-quality video and multimedia content on demand. But much like a good soccer match,
some aspects of mmWave run very smoothly, while others present challenges. Nothing brings us
all together on a global scale like high-speed wireless. Except maybe the World Cup.
CONTROL OF
AZIMUTH & ELEVATION
A successful penalty shot has an elevation tolerance of ± 1.22 m and an azimuth tolerance of ± 3.66 m. Azimuth and elevation control of a phased array antenna need to be measured. Phase differences set direction. Amplitude differences set sidelobe levels.
NOISE
In 2010, Portugual’s captain Cristiano Ronaldo blamed vuvuzelas (noise makers) for breaking players’ concentration during the
World Cup. More bandwidth isn’t always better if it means higher integrated noise power and lower SNR. If SNR < 0 dB, C = B.Log2(1+SNR) 1.44. PRx/Noise density.
THEORY VS. PRACTICE
A single player can theoretically move the ball down the field by “seal dribbling” (repeated heading
of the ball), but in practice this can cause injury. Massive MIMO, relying on carrier phase cancellation, will be challenging at mmWave. More so in a dynamic channel.
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