Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Wimax(802.16d) subchannelization doubt???

Status
Not open for further replies.
R

rag_perfect

Banned
Joined
Sep 1, 2005
Messages
124
Helped
14
Reputation
28
Reaction score
7
Trophy points
1,298
Location
India
Activity points
0
Hi frnds...

i have one doubt regarding subchannelization. As per standard, Read-soloman(RS) coding/decoding is not employed whenever Subchannelizetion occurs....

Can anybody plz explain why it is so????
 

Just look at the dimensions of the Reed-Solomon encoding scheme that is directed by the standard. U will see that when sub-channelization is applied the data becomes too small to use RS on a sub-channel basis...
 
thankx 4 ur reply... but my doubt is :why data becomes small in only subchannelization case... and moreover will it happen every time as soon as subchannelization comes into picture???

plz help.....
 

ya the MAC frame that comes from MAC layer is mapped onto the subchannels allocated according to the modulation scheme applied. So for a particular modulation scheme if the no. of subchannels is reduced it means that the no. of bits mapped on to those sub-channels is reduced. Yes it happens every time subchannelization comes into picture.
 
thankx dude...
u have really a good knowledge of MAC....
i hope u will help me again whenever i will be in need.....:D:D:D
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top