problem ihn ellular systems. What is the solution for this problem?

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Wireless Communication
a) Explain the near-far problem in CDMA cellular systems. What is the
solution for this problem?
b) Given a wireless channel having the impulse response
A(t) = 0.75(1 – 1)+ 0.58(t –1.4)+ 0.38(t –3)+0.48(t – 4)
where the time is given in micro-second (u sec). What is the minimum chip
rate (R ) that must be used for a CDMA signal transmitted through this
channel so that its RAKE receiver would be able to resolve (separate) all
available paths?
Transcribed Image Text:a) Explain the near-far problem in CDMA cellular systems. What is the solution for this problem? b) Given a wireless channel having the impulse response A(t) = 0.75(1 – 1)+ 0.58(t –1.4)+ 0.38(t –3)+0.48(t – 4) where the time is given in micro-second (u sec). What is the minimum chip rate (R ) that must be used for a CDMA signal transmitted through this channel so that its RAKE receiver would be able to resolve (separate) all available paths?
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