| Author |
Message |
System.out
Joined: 11 Jan 2003
Posts: 69
Helped: 1
|
 28 Jun 2006 15:19 WiMAX implementation (FPGA) |
|
|
|
|
Hello,
I have been digging into this forum, finding *very good books* and other nice stuff. I'm planning to implement a WiMAX transmitter and receptor. For now, i should concentrate in transmitter.
I'm going to use VHDL mainly and open cores. So if you have any comments and if you want to discuss about it. I'd apreciate feedback.
Right now, i'm reviewing standards for 802.16, not sure which one to implement, i guess rev d would be the easiest one, what do you think?
P.S.- Yeah, probably 802.16e is very cool, but Scalable OFDMA is not yet an open core and standarization is not closed yet.
BTW, is this job done ? any helpful site ?
|
|
| Back to top |
|
 |
Jools
Joined: 12 Oct 2005
Posts: 118
Helped: 7
|
|
| Back to top |
|
|
System.out
Joined: 11 Jan 2003
Posts: 69
Helped: 1
|
| 29 Jun 2006 14:37 Re: WiMAX implementation (FPGA) |
|
|
|
|
| Jools wrote: |
[url]h**p://www.opencores.org/browse.cgi/by_category?filter1=&filter2=[/url] maybe really useful for you.
|
Yes - i have been reading about ofdm core. But tricky part i believe is how to place everything, all parts, together. BTW, i have downloaded a book that looks nice to me "Wireless Ofdm Systems: How to Make Them Work?" at http://www.edaboard.com/viewtopic.php?t=93421&highlight=802 and wimax standards, of course.
|
|
| Back to top |
|
|
spweda
Joined: 28 Jun 2001
Posts: 195
Helped: 4
|
| 30 Jun 2006 5:37 Re: WiMAX implementation (FPGA) |
|
| tags: wimax channel estimation fpga |
|
|
| It is a big team work to implement the WiMax, even if just the physical layer. You need people to work on the system architetcure design, system enginerrs to work on the algorithm development, fixed-point implementation of the modem, digital engineers to work on RTL coding and some HW engineer to work on the FPGA board, plus SW to control the modem function. At least 20-30 engineers to work on the real WiMAX. If you just work on a project for the class, you need select one function in the WiMAX modem, such as channel estimation, sync., frequency compensation, equalizer, Viterbi/Tubor/LDPC decoder.
|
|
| Back to top |
|
|
System.out
Joined: 11 Jan 2003
Posts: 69
Helped: 1
|
| 04 Jul 2006 12:35 Re: WiMAX implementation (FPGA) |
|
| tags: wimax channel estimation fpga |
|
|
| spweda wrote: |
| It is a big team work to implement the WiMax, even if just the physical layer. You need people to work on the system architetcure design, system enginerrs to work on the algorithm development, fixed-point implementation of the modem, digital engineers to work on RTL coding and some HW engineer to work on the FPGA board, plus SW to control the modem function. At least 20-30 engineers to work on the real WiMAX. If you just work on a project for the class, you need select one function in the WiMAX modem, such as channel estimation, sync., frequency compensation, equalizer, Viterbi/Tubor/LDPC decoder. |
True. But maybe using some IP cores, i could do an academic WiMAX approach.
|
|
| Back to top |
|
|
BigDogBear
Joined: 15 Dec 2004
Posts: 29
|
| 03 Nov 2006 1:56 WiMAX implementation (FPGA) |
|
|
|
|
| I'm very interested in this project, so System.out, can you share your progress in this forum from time to time?
|
|
| Back to top |
|
|
fm_com_28
Joined: 02 Feb 2006
Posts: 153
Helped: 5
Location: Fayoum, Egypt
|
| 06 Nov 2006 22:57 Re: WiMAX implementation (FPGA) |
|
|
|
|
| My graduation project is the same as yours,but we will mplement the 16e and also make a software simulation usinf scilab
|
|
| Back to top |
|
|
System.out
Joined: 11 Jan 2003
Posts: 69
Helped: 1
|
| 07 Nov 2006 20:06 Re: WiMAX implementation (FPGA) |
|
| tags: simulation wimax scilab |
|
|
| BigDogBear wrote: |
| I'm very interested in this project, so System.out, can you share your progress in this forum from time to time? |
Sure, but i have not much time, so this is kind of stopped. I read some papers and articles... like http://www.iec.org/newsletter/oct06_1/analyst_1.html
I think i will not be doing much on this area on next months. But, i'd be good to concentrate all people interested together, and maybe that could end up on a WiMAX implementation... 
Added after 1 minutes:
| fm_com_28 wrote: |
| My graduation project is the same as yours,but we will mplement the 16e and also make a software simulation usinf scilab |
If you do it public, i'd like to see it. A good place to find some useful bits and that you can put your bits too is opencores.org.
Regards
|
|
| Back to top |
|
|
devyani
Joined: 17 Nov 2006
Posts: 2
|
| 17 Nov 2006 7:32 Re: WiMAX implementation (FPGA) |
|
|
|
|
Hi,
I am implementing WiMAX MAC.All the previous posts have been regarding PHY i suppose. Is anyone implementing MAC? I need some help.
|
|
| Back to top |
|
|
fm_com_28
Joined: 02 Feb 2006
Posts: 153
Helped: 5
Location: Fayoum, Egypt
|
| 18 Nov 2006 19:59 Re: WiMAX implementation (FPGA) |
|
|
|
|
| i do.but i am beginning
|
|
| Back to top |
|
|
A-Ge0
Joined: 20 Nov 2006
Posts: 1
|
| 20 Nov 2006 14:34 Re: WiMAX implementation (FPGA) |
|
|
|
|
I am planning to be assigned this task as a graduation project.
I am really interested in cooperating.
|
|
| Back to top |
|
|
fm_com_28
Joined: 02 Feb 2006
Posts: 153
Helped: 5
Location: Fayoum, Egypt
|
| 20 Nov 2006 16:43 Re: WiMAX implementation (FPGA) |
|
|
|
|
in my project we are looking for:
1-FPGA kit with ethernet port interface
we began to read in the viterbi decoder as it is essential in the implementation
we should also read about OFDM technique
|
|
| Back to top |
|
|
devyani
Joined: 17 Nov 2006
Posts: 2
|
| 23 Nov 2006 13:24 Re: WiMAX implementation (FPGA) |
|
|
|
|
| I am planning to port my design onto an FPGA board that I am having but tht will come at a later stage. Right now, I am concentrating on the implementation part. I really need to do some coding fast as I have to present my work in January. RIght now, I am implementing the downlink part using VHDL. I think we need to write some sort of a package for the implementation. Can anyone give any suggestions? And i need suggestions for MAC and not for PHY.
|
|
| Back to top |
|
|
fm_com_28
Joined: 02 Feb 2006
Posts: 153
Helped: 5
Location: Fayoum, Egypt
|
| 23 Nov 2006 17:14 Re: WiMAX implementation (FPGA) |
|
|
|
|
| I think u should read in the Viterbi Coding/Decoding technique
|
|
| Back to top |
|
|
iftikhar3
Joined: 08 Jun 2006
Posts: 6
|
| 01 Dec 2006 6:20 WiMAX implementation (FPGA) |
|
|
|
|
| will it be an international tecnology
|
|
| Back to top |
|
|
Haytham-Sief
Joined: 05 Mar 2005
Posts: 49
Helped: 2
Location: Alexandria, Egypt
|
| 04 Dec 2006 23:14 WiMAX implementation (FPGA) |
|
|
|
|
| What u r planning to do was my graduation project but I used a TI DSK c6414 instead of VHDL & FPGA. If u need anything please contact me at haytham_sief(at)hotmail.com or +20125539943
|
|
| Back to top |
|
|
shedeed
Joined: 26 Sep 2004
Posts: 70
Helped: 1
Location: Egypt
|
| 05 Dec 2006 13:50 Re: WiMAX implementation (FPGA) |
|
| tags: wimax with fpga |
|
|
for the Physical layer implementation it is preferable to use DSPs instead of FPGA in case of graduation projects, FPGAs needs much development time and it is used in a corporate scale development teams.
Almost DSPs need less development time and use easier methods to develop on as using C-langauge.
You can male it much easeir by useing one of the TI DSPs that are intergrated with the mathworks software as the MATLAB and Simulink, this makes it easier.
For the MAC layer, it is mainly a software project that needs good programming skills espcially in C-langaue, also you can use one of the products of MATHWORKS which is STATEFLOW, a research team in Berkely used it to develop MAC layer of a new wireless system
This is on the development scale, you can shift your project in WiMAX implementation, by purchasing a WiMAX chip and interface it by a PCB to an Antenna and RF circuits and create a WiMAX CPE
you can find those chips as 6482 from TI and the atmel one
http://www.atmel.com/products/wimax/
|
|
| Back to top |
|
|
m_ratheesh_k
Joined: 13 Nov 2006
Posts: 74
Location: Trichy
|
| 29 Jan 2007 16:26 Re: WiMAX implementation (FPGA) |
|
|
|
|
Hi,
any one pls upoload some good books on wimax Physical layer implementation..
Thnaks®ards,
MRK
|
|
| Back to top |
|
|
TaimurSattar
Joined: 03 Apr 2006
Posts: 18
|
| 07 Feb 2007 5:42 Re: WiMAX implementation (FPGA) |
|
|
|
|
go to wimax official foram
ww.wimaxforam.org
|
|
| Back to top |
|
|
bugra
Joined: 23 Jul 2007
Posts: 1
|
| 23 Jul 2007 9:01 WiMAX implementation (FPGA) |
|
|
|
|
| I am also working implementing Wimax with Opencore IP Blocks. Is there anybody would like to share and work together ?
|
|
| Back to top |
|
|
kikofikoo
Joined: 06 Apr 2008
Posts: 1
|
| 28 Jul 2008 21:50 WiMAX implementation (FPGA) |
|
|
|
|
hi everyone
plz i want the VHDL of all the blocks of wimax because i am going to start a very big project and it needs wimax so plz help me
|
|
| Back to top |
|
|
mansoor2
Joined: 13 Oct 2008
Posts: 1
|
| 13 Oct 2008 17:35 Re: WiMAX implementation (FPGA) |
|
|
|
|
My scenario detailed further is listed below
1. Phy layer parameters should be kept constant (which i already have sent u)
2. Apply the MAC Layer over Physical layer
3. Mac layer is composed of three layers, the three layers are
* MAC Convergence Sublayer (responsible for header compression and SFID and DIC Identification)
* MAC Common part sublayer (responsible for assembly of MAC PDUs, ARQ Scheduling, MAC Management)
* MAC Security Sublayer (Responsible for encryption)
* Physical layer lies just below MAC Security sublayer
Now what we need to do is to keep all the parameter constant except common part sublayer, we need to change ARQ mechanism
we have to create 2 sceanario, in 1 case, What is BER when ARQ is is composed of ACK and Negative ACK, and what BW will be allocated for pay load in that case
2nd case scenario we have to show NACK is creating what BER and pay load (Data)'s bandwidth is increasing or not.
graph of BER\ BW ....
Can any one HELP ME??????
contact me ASAP
923332246872
|
|
| Back to top |
|
|
