What is the maximum transmitter-receiver separation

Assignment Help Computer Engineering

Reference no: EM131864908

Problem

1. Suppose a spread-spectrum service is operating at 2 GHz and the maximum user terminal velocity is expected to be less than 80 km/hour. What should the bandwidth of the filter in the channel estimation circuit of the corresponding RAKE receiver be?

2. Suppose that a wireless service is operating at 800 MHz, with a maximum terminal velocity of 100 km/hour. What is the maximum transmitter-receiver separation that would permit reasonable power control compensation of Rayleigh fading, assuming that measurement and processing times are negligible? What would be negligible in this case? Ans. The maximum separation is 20 km, assuming that the tracking delay is less than 1 percent of a period of the maximum Doppler frequency. The measurement and processing delay must be significantly less than 135 AV satisfying this requirement is perhaps unrealistic.

Reference no: EM131864908

Questions Cloud

Write a program that generates two n-sequences : Write a program that generates two n:-sequences of length 28 -1. Confirm that the sequences have the autocorrelation properties of m-sequences.

How does the new sequence compare with the original in : How does the new sequence compare with the original in. sequence and with a Gold sequence of the same length? Repeat the problem for m = 7 and m = 9.

What is major disadvantage of self-synchronizing scrambler : What is the major disadvantage of the self-synchronizing scrambler described when used with unreliable wireless channels?

Define the cellular spectral efficiency v : Define the cellular spectral efficiency v, in bits/s/Hz/cell; this is the total number of bits/s/liz transmitted by all users in a cell.

What is the maximum transmitter-receiver separation : What is the maximum transmitter-receiver separation that would permit reasonable power control compensation of Rayleigh fading?

Discuss how the system throughput will be affected : Discuss how the system throughput will be affected. Repeat the discussion for a carrier-sensitive multiple-access (CSMA) system.

Obtain congressional support after the fact : Since the nation's earliest years, presidents have used the military on their own prerogative in order to use force unilaterally.

Which method would most efficient and under what conditions : Suppose a system with a user population of 100 terminals plans to use short packets. Which method would be the most efficient and under what conditions?

Prepare a report on mobile travel app gateguru : Utilize Tebeaux and Dragga's "Informal Report" format. Utilize information from three (3) appropriate and properly cited sources.

User Account

All Pages