In the design of communication links we must always keep track of the power needed to...

In the design of communication links we must always keep track of the power needed to represent the signals, the effects of the noise and the bandwidth needed. In a post answer the following :

What do you think should be the comparison of signal power vs. noise power?
What do you think will be the most effective method to increase the distance in a communications link?
What do you think will be the most effective method to increase the channel capacity in a communications link?

the answer two to three paragraphs

Expert Solution

a) Most effective method for comparision of signal power to noise power is reffered as SNR. it is basically a ratio of signal power to noise power in the recieved signal and represented in logarithmic domain. So as SNR is represented in logarithmic domain and the measure of it is given in decibels. So whenever the signal is transmitted we always try to maximize our SNR in order to minimize the noise at other end. So in similar manner we can define various methods to comare signal and noise power some of them can be PSNR GSNR etc. Irrespective of the method we always try to maximize our signal power and minimize our noise power.

b) So if the distance of our communication increases there are many factors affected by it. There can be data loss, poor SNR, power loss etc. such factors are affected by it. So one of the effective method is to use cable and connector communication to reduce losses and increase efficiency, using a low loss cables and along with that high range antennas to increase our communication range. In distance communication it is always preffered to use cables instead of wireless as its speed might be slow but we can overcome data loss.

c) The channel capacity formula as given by shanon is C = B log(1 + SNR). where B is bandwidth , SNR is signal to noise power ratio, C is channel capacity acheivable in bits/sec.

As you can see its dependency on 2 parameters i.e. Bandwidth and SNR so either you increase the B or increase the SNR. But the transmission BW are extremely limited. so only practical way to increase capacity is to increase SNR as large as possible.

Thank You!!

Manojponduru answered 1 year ago

Using c++ Design a system to keep track of employee data. The system should keep track...

Using c++ Design a system to keep track of employee data. The system should keep track of an employee’s name, ID number and hourly pay rate in a class called Employee. You may also store any additional data you may need, (hint: you need something extra). This data is stored in a file (user selectable) with the id number, hourly pay rate, and the employee’s full name (example): 17 5.25 Daniel Katz 18 6.75 John F. Jones Start your main...

Design a database through the EER diagram to keep track of the teams and games of...

Design a database through the EER diagram to keep track of the teams and games of a sport league. Assume that the following requirements are collected (the English description of cardinal ration and partial/complete participate is NOT required, but you still need to provide the total/partial and cardino ration in your EER diagram) : The database has a collection of TEAM. Each Team has a unique name, players, and owner. The database also keeps the records of PLAYERS. Each player...

We are introduced to the magnetic field as a way to keep track of the force...

We are introduced to the magnetic field as a way to keep track of the force that arises from lenght contraction in special relativity. A moving distribution of charge becomes more dense in the right frame. So in a way, the magnetic field is just the E-field. However, when I glance over the physics of permanent magnets, it is said that their magnetic field arises from the integral sum of their electrons with aligned spin(which generates a magnetic moment).Spin is...

How can websites keep track of users? Do they always need to use cookies?

You are tasked to design an application to keep track of sales for your company. Sales...

You are tasked to design an application to keep track of sales for your company. Sales should be tracked for two types of accounts: supplies and services. Complete the following: Create a UML class diagram for the Account inheritance hierarchy. Your subclasses should be Supplies and Services. All sales accounts will have an account ID (accountId). You will need attributes to keep track of the number of hours (numberOfHours) and rate per hour of services provided (ratePerHour)....

You will design a program to keep track of a restaurants waitlist using a queue implemented...

You will design a program to keep track of a restaurants waitlist using a queue implemented with a linked list. Make sure to read pages 1215-1217 and 1227-1251 1. Create a class named waitList that can store a name and number of guests. Use constructors to automatically initialize the member variables. 2. Add the following operations to your program: a. Return the first person in the queue b. Return the last person in the queue c. Add a person to...

Given the following mission statement: . A group of system administrators must keep track of which...

Given the following mission statement: . A group of system administrators must keep track of which computers are assigned to computer users in the community they support. Currently this is done by hand.. but this is tedious, error prone, and inconvenient. System administrators want to automate this task to ease their workload. Product Vision. The Computer Assignment System (CAS) will keep track of computers, computer users, and assignments of computers to users; answer queries; and produce reports about users, computers,...

As humans, we keep track of large amounts of information more efficiently by putting it into...

As humans, we keep track of large amounts of information more efficiently by putting it into categories. One example of this is to organize the organs of the human body into organ systems – you have 11 listed in chapter 5 of your textbook. Organizing the body in this way is useful but can cause us to view each organ system individually when, in fact, organ systems work together in many ways. Make a convincing argument for viewing the organ...

Scenario: An auto shop is designing a database to keep track of repairs. So far, we...

Scenario: An auto shop is designing a database to keep track of repairs. So far, we have this UNF relation, with some sample data shown. Normalize to 1NF. REPAIRS: # VIN, Make, Model, Year, ( Mileage, Date, Problem, Technician, Cost ) VIN Make Model Year Mileage Date Problem Technician Cost 15386355 Ford Taurus 2000 128242 6/6/2014 Won’t start Gary $300 15386355 Ford Taurus 2000 129680 6/20/2014 Tail light out Trisha 43532934 Honda Civic 2010 38002 6/18/2014 Brakes slow Gary $240...

Database Design and SQL The following relations keep track of airline flight information: Flights (flno: integer,...

Database Design and SQL The following relations keep track of airline flight information: Flights (flno: integer, from : string, to: string, distance: integer, departs: time, arrive: time, price: integer) Aircraft (aid: integer, aname : string, cruisingrange: integer) Certified (eid: integer, aid: integer) Employees (eid: integer, ename : string, salary: integer) The Employees relation describe pilots and other kinds of employees as well. Every pilot is certified for some aircraft and only pilots are certified to fly. Based on the schemas,...

Question