Describe the omni-directional and the directional antennas, Computer Networking

Assignment Help:


a) Describe the following two approaches used towards wireless frequency regulation.

i. Regulated Band
ii. Unlicensed Band

b) An antenna is an electrical conductor or system of conductors to send and receive radio signals. Describe the omni-directional and the directional antennas.

c) Radiations after leaving an antenna are propagated by using one of the three modes of propagation.

i. List down and explain the different signal propagation behaviours that radio waves exhibit.

ii. Which technique is used for cellular phone communication, submarine communication and amateur radio?

iii. Describe two transmission effects that affect the technique used for cellular phone communication you presented in section ii above.

d) In wireless systems, just like wired systems, the users of channels need special mechanisms to avoid interference and collisions.

Describe the following three common mechanisms.

i. Frequency Division Multiple Access
ii. Code Division Multiple Access
iii. Time Division Multiple Access

Related Discussions:- Describe the omni-directional and the directional antennas

Merits of a network based ids and a host based ids, Question: (a) Descr...

Question: (a) Describe the following biometric techniques:- (i) Retina scan, (ii) Fingerprint, (iii) Iris Scan. Your answer should consider the following: the data storage requ

Simplicity - transport layer, Simplicity The advantage of this approa...

Simplicity The advantage of this approach is the simplicity  of receiver buffering. The  receiver need not  buffer out of  order packets the sender must maintain the upper an

Application of internet control message protocol, The application for this ...

The application for this assignment is somewhat arti?cial. Normally, an application would not interact directly with IP. Instead, it would create a UDP or TCP socket and interact w

Explain in detail about wireless network, Explain in detail about wireless ...

Explain in detail about wireless network Think about unseen terminal problem. Imagine a wireless network consist of five stations, A through E, such that each one them is in r

What are the two functions of the data link mac layer, a) Manages protocol ...

a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer

Control flow in distributed enrollment protocol , Control Flow: Once the c...

Control Flow: Once the client has established a network connection with a server, the server must instantiate a new, empty, BasicEnrollmentManager implementation for this client,

Illustrate the downside of groupware, Illustrate the downside of groupware ...

Illustrate the downside of groupware The downside of groupware is that they are very costly and with the increase in complexity or additional features, the cost increases propo

What is vrc, What is VRC? It is the most common and least costly mechan...

What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f

Factor causing parallel overheads, Factor Causing Parallel Overheads F...

Factor Causing Parallel Overheads Figure clearly explains that the performance metrics are not able to achieve a linear curve in comparison to the enhance in number of process

Write Your Message!

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd