Millimeter-wave Beamforming · 64x PA 64x LNA 128x PS 128x VGA 64x Ant. 64x Swt. 1x Mix 1x LO SPI...

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Millimeter-wave Beamforming :

T M Y T e c h n o l o g y I n c .

CONTENT

𝑃𝑟 = 𝑃𝑡 + 𝐺𝑡 + 𝐺𝑟 +20log𝑐

4𝜋𝑅𝑓𝑑𝐵𝑚

ΦΦA

Φ1 Φ2Φ3

Φ4

Φ Φ Φ Φ Φ Φ

𝑥 = 𝑑 ∙ sinΘ𝑠

360𝑜

∆∅=

𝜆

𝑥

∆∅ =360𝑜∙𝑑∙sin Θ𝑠

𝜆

∆∅ = 𝑝ℎ𝑎𝑠𝑒 𝑠ℎ𝑖𝑓𝑡𝑒𝑟 𝑏𝑒𝑡𝑤𝑒𝑒𝑛 𝑡𝑤𝑜 𝑠𝑢𝑐𝑐𝑒𝑠𝑠𝑖𝑣𝑒 𝑒𝑙𝑒𝑚𝑒𝑛𝑡𝑠

d = 𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒 𝑏𝑒𝑡𝑤𝑒𝑒𝑛 𝑡ℎ𝑒 𝑟𝑎𝑑𝑖𝑎𝑡𝑖𝑜𝑛 𝑒𝑙𝑒𝑚𝑒𝑛𝑡𝑠

Θ𝑠 = 𝑏𝑒𝑎𝑚 𝑠𝑡𝑒𝑒𝑟𝑖𝑛𝑔

-17.52 -8.76 -8.76 -17.52

-8.76 0 0 -8.76

-8.76 0 0 -8.76

-17.52 -8.76 -8.76 -17.52

Φ

°

Φ

Φ

24

International

Exhibition

IMS 2018

International

Exhibition

IMS 2018

26

64x

PA

64x

LNA

128x

PS

128x

VGA

64x

Ant.

64x

Swt.

1x

Mix

1x

LOSPI

Cooler

64x

Dir.

1x

Comb.

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