Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Engineering Expert

Q1.

a) Illustrate the meaning of the hidden and exposed terminals? What happens in the case of such terminals if Aloha, reservation Aloha, slotted Aloha or MACA is employed?

b) What are the advantages of spread spectrum? describe frequency-hopping spread spectrum.

c) What do you mean by the term Basic Service Set (BSS)? The 802.11 standard supports the formation of two different types of BSSs: ad hoc network and Infrastructure BSS. Describe in brief.

Q2.

a) Describe any five configuration parameters which are required to adapt TCP to wireless environments.

b) Describe how selective retransmission is a helpful extension of TCP. Are there any demerits of this approach?

Q3.

a) What do you mean by the term pervasive computing? describe the implications in terms of technological needs of two fundamental features of pervasive applications: mobility and context-awareness.

b) describe in brief any two of the given:

  • Methods used to reduce energy consumption and to expand network lifetime.
  • Wireless Security Threats.
  • Multi-media object transfer (MOT) protocol.

 

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M910351

Have any Question? 


Related Questions in Computer Engineering

Do the same as in exercise 114 but for a hash table of size

Do the same as in Exercise 11.4 but for a hash table of size 2031 that contains 999 keys. Exercise 11.4: Consider a hash table of size 501 that contains 85 keys. (a) What is the load factor? (b) What is the average numbe ...

Compute x as far as possible without a calculator where

Compute x as far as possible without a calculator. Where appropriate, make use of a smart decomposition of the exponent as shown in the example in Sect. 1.4.1: The last problem is called a discrete logarithm and points t ...

Assessment activity instructionsdemonstrate your

Assessment Activity Instructions Demonstrate your understanding and knowledge gained about session's material. Complete with a short discussion (one paragraph) for each question on a Word document and upload through the  ...

Implement a recursive algorithm to compute the n

Implement a recursive algorithm to compute the n! permutations of the first n integers. In your implementation, the internal recursive call should be of the form permutations (n -1) rather than permutations (k + 1) as we ...

Another form of comb filter is given by the transfer

Another form of comb filter is given by the transfer function H(z)=1+ z -L For this problem, let L = 6. (a) Find the filter's impulse response h[n]. (b) Determine a canonical realization of this filter. (c) Find and plot ...

Using the frequency sampling method design a linear phase

Using the frequency sampling method, design a linear phase bandstop FIR filter with cutoff frequencies Ω c 1 = π/3, Ω c2 = π/2, and L h = 13. Realize the design as a frequency sampling filter.

1 assuming that the l1 hit time determines the cycle times

1. Assuming that the L1 hit time determines the cycle times for P1 and P2, what are their respective clock rates? 2. What is the Average Memory Access Time for P1 and P2? 3. Assuming a base CPI of 1.0 without any memory ...

Modeling at different levels agent-based models can be

Modeling at different levels Agent-based models can be written at different levels. For example, one model may have agents that are populations of wolves and sheep, whereas another model may have agents that are individu ...

With the sun directly overhead an airplane takes off at a

With the sun directly overhead, an airplane takes off at a speed S of 226 mph at an angle θ of 16° above the horizontal. How fast is the airplane's shadow moving along the runway?

Modify the hash table implementation so that it uses an

Modify the hash table implementation so that it uses an ArrayList to store the set members rather than a hash table. Compare the running times of the major operations of this implementation with those of the hash table i ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro