DESIGN AND SIMULATION OF WI-FI DATA LINK LAYER

TRANSMIT FRAME CONTROLLER

ABSTRACTS

The main problem with Broad band access is that it is pretty expensive and it doesn’t reach

all areas. The main problem with WI-FI access is that hot spots are very small, so coverage is

sparse.

The WI-MAX technology that solved all these problems would provide high speed of

broad band service, much easier to extend and broad coverage area like cell phone network

instead of small WI-FI hotspots. In practical terms WI_MAX would operate similar to WI-FI.

Objective of this Project Understands of the Wi-MAX MAC Layer Specifications,

Architectural Design from specifications, Behavioral modeling of Design blocks, Design of

stimulus modules to test the functionality of Design Blocks, Synthesize design to extract Gate

level list.

The IEEE 802.16 standard for broadband wireless access was recently approved. It

defines a physical layer for systems operating at frequency bands between 10 and 66 GHz, a

medium access control (MAC) Protocol and the convergence layers for carrying protocols

such as IP, ATM and Ethernet. An IEEE 802.16 system consists of a base station and one

more or more subscriber stations. The protocol defines a physical layer, Medium Access

Control (MAC) layer and service specific convergence sub layers for transport of IP, Ethernet

and ATM. Its primary responsibility is to provide a reliable mechanism for exchanging

transaction packets (Data, Control and Management) on the communication channel through

Physical layer (RF Layer).

This project includes the generation of various MAC Frames (Data, control and

management), of 16-bit HEC for header and 32-bit CRC pay load data, FIFO data buffer

interface for transmitter, serializing the data using byte to bit converter and MAC transmitter

SMC implementation. The overall System Architecture will be designed using HDL language

and simulation, synthesis and FPGA implementation (Translation, Mapping, Placing and

Routing) will be done using various FPGA based EDA Tools.