State about CSMA/CA, Computer Engineering

Assignment Help:

State about CSMA/CA

It belongs to a class of protocols known as multiple access methods. CSMA/CA  stands  for:  Carrier  Sense  Multiple  Access  with  Collision Avoidance.  In  CSMA,  a  station  willing to  transmit  has  to  first  listen  to  channel for a predetermined amount of time so as to check for any activity on channel.  If  channel  is  sensed  "idle"  then  station  is  permitted  to transmit.  If  channel  is  sensed  as  "busy"  station  has  to  defer  its transmission.  This  is  essence  of  both  CSMA/CD  and  CSMA/CA.  In CSMA/CA  (Local  Talk),  once  channel  is  clear,  a  station  transmits a  signal telling all other stations not to transmit, and then sends its packet. In Ethernet 802.3, station continues to wait for a time, and checks to see if channelis still free. If it is free, station transmits, and waits for an acknowledgment signal that packet was received.

 

 


Related Discussions:- State about CSMA/CA

Recursion, Ask qurecurrion for short noteestion

Ask qurecurrion for short noteestion

Calculate switching capacity in a two stage network, In a two stage network...

In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: Switching capacity Given: N =M =512, α

How a procedure define in assembly, Q. How a Procedure define in Assembly ?...

Q. How a Procedure define in Assembly ? Procedure is defined within source code by placing a directive of form: PROC A procedure is terminated using: ENDP The

What are the rules of timescale directive, What are the Rules of Timescale ...

What are the Rules of Timescale directive Rules -  'Timescale directive, like all compiler directives, affects all modules compiled after directive,  whether  in  same  fi

Appropriate problems for ann learning, Appropriate Problems for ANN learnin...

Appropriate Problems for ANN learning: Conversely as we did for decision trees there it's important to know where ANNs are the right representation scheme for such job. Howeve

Decision support at a digital hospital, Heart disease is the number-one kil...

Heart disease is the number-one killer in the United States, and in a cardiac crisis, each minute matters. Indiana Heart Hospital (IHH) is a new cardiac hospital that saves life b

Boiler troubles, Differences between internal and external treatment in boi...

Differences between internal and external treatment in boiler

PADOVAN STRING, write a program that counts the number of occurrences of th...

write a program that counts the number of occurrences of the string in the n-th Padovan string P(n)

Create simple algebraic expression from k-map, Q. Create simple algebraic e...

Q. Create simple algebraic expression from K-Map? Now create simple algebraic expression from K-Map. These expressions are created by employing adjacency if we have 2 adjacent

Write Your Message!

Captcha
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