Wave degradation over distances

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SUMMARY

The discussion centers on the transmission of a 4G data signal at 700 MHz from a cellphone tower to a smartphone. The wavelength of the signal does not change during transit, except for the Doppler shift, which is only significant at high speeds. For typical scenarios involving stationary or slow-moving devices, the impact of Doppler shift on the wavelength is negligible. This confirms that the primary factor affecting the signal remains the Doppler effect rather than any inherent change in wavelength over distance.

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  • Understanding of 4G LTE technology
  • Basic knowledge of electromagnetic wave properties
  • Familiarity with the Doppler effect
  • Awareness of frequency and wavelength relationships
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  • Research the principles of the Doppler effect in telecommunications
  • Explore the characteristics of 4G LTE signal transmission
  • Investigate the impact of distance on signal degradation
  • Learn about frequency modulation techniques in mobile networks
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Telecommunications engineers, mobile network professionals, and anyone interested in understanding signal transmission and the effects of motion on wave properties.

Securityman
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This is probably a simple question, but here is a little background from which to view the problem. A cellphone tower transmits a 4G data signal at 700Mhz to my smartphone. Assuming that it does reach my phone does the wavelength of that databurst change in transit? Thanks.
 
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The only change in wavelength would be as a result of Doppler shift. Unless you are moving very fast, the effect would be neglible.
 

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