This presentation helps you for long time description in short slides.

1. Media Access Control
Milind Mishra
BCA 2nd year

2. What is meant by transmission of
signal?

3. Transmission of signals

4. What is OSI model ?

5. OSI Model

6. Data link layer
The data link layer provides a
reliable link between two
directly connected nodes, by
detecting and possibly
correcting errors that may
occur in the physical layer.

7. MAC
Media access control

8. Why is special MAC required?


Hidden and Exposed Terminal Problem
Near and Far Terminal Problem

9. Multiple Access Techniques

Space Division Multiple Access:- used for
allocating space to users

Frequency Division Multiple Access:- comprises all
algorithms allocating frequencies to transmission
channel according to FDM

Time Division Multiple Access:- comprises
technologies which allocate time slots for
communication i.e., controlling TDM

FDMA + TDMA

10. Que stio ns
in yo ur mind?

11. Thank-you