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Base Stations and Access Points in Wireless Technology

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Base Stations and Access Points in Wireless Technology

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Questions and Answers

What is the equation to calculate Signal to Noise Ratio (SNR) in wireless communication?

SNR = Ps/ Pn

How does an increase in power affect Bit Error Rate (BER) in wireless communication?

Increase power -> increase SNR -> decrease BER

What is the main advantage of having a larger SNR in wireless communication?

A larger SNR makes it easier to extract signal from noise

How can the choice of modulation technique at the physical layer impact wireless communication?

The choice of modulation technique impacts throughput and BER Signup and view all the answers

What is the term used in Wi-Fi technology that is synonymous with 'base station' in cellular technology?

AP (Access Point) Signup and view all the answers

Which layer of the network do Wi-Fi, Bluetooth, and Zigbee operate at?

Layer 2 Signup and view all the answers

What are the 802.11 standards striving to achieve in Wi-Fi technology?

Cover mid-range distances Signup and view all the answers

Why does 5G technology require more towers compared to Wi-Fi for maintaining communication over distances?

Higher frequencies Signup and view all the answers

What are some uses of VANETs in the context of intelligent transportation?

Improves traffic flow, reduces congestion, increases safety through vehicle communication. Signup and view all the answers

What challenges does wireless communication face in terms of signal transmission?

Signal scattering, reflection, refraction, and attenuation when encountering obstacles. Signup and view all the answers

What are some differences between wireless links and wired links?

Decreased signal strength, interference from other sources, multipath propagation. Signup and view all the answers

What key concept plays a role in signal transmission for wireless communication?

Line of Sight (LOS). Signup and view all the answers