9 Threads found on edaboard.com: Wimax Uplink
I am running the wimax BS and MS on a cabled RF environment . In this type of envirnoment, ideally even the instantaneous CINR (in both uplink & downlink) should not vary. But in my case eventhough there is no variation seen in the Downlink, I see variation in the uplink CINR when the traffic flow starts. Till the Traffic flow (...)
Digital communication :: 12-30-2009 17:48 :: srksp :: Replies: 0 :: Views: 1287
Dear most Abdelmoniem,
u said GSM 3G working on MHz range.. ummmmm
Let me clear it.
GSM 900 working on 900 MHz means 0.9 GHz.
But its uplink(Mobile Set to BTS) BandWidth(BW) is 890MHz to 915MHz (=25 MHz)
So 1st term is operating freq = 0.9 GHz or 900 MHz
and 2nd term is BW = 25 MHz for uplink.
i share u a graph of Microstrip antenn
Electromagnetic Design and Simulation :: 12-28-2009 10:41 :: Refai :: Replies: 2 :: Views: 2402
in case of using two antennas with different 3 db angles( one is 60 degree and the other is 15 ) in a NLOS technologies ( such as wimax ) , is it necessary that the link budget for the uplink is same as the link budget for the downlink ? specially for " propagation loss " .
if there is any books talking about this subject i will be tha
Network :: 08-12-2009 06:14 :: alqasim :: Replies: 2 :: Views: 2272
wimax uses 2 Ghz to 11 Ghz
Digital communication :: 04-09-2009 19:41 :: hiyan :: Replies: 3 :: Views: 1973
for a specific project I have to stimate how much ram do I need for OFDM modulation and demodulation (wimax) to impliment it on FPGA chip, however I do not know how I can estimate it.
I have this information:
FFT : 1024
Symbol number: 46:
1- uplink: 15=12data+3 parity & bit per symbol: 560
2-Downlink: 31 = 28data+3parity & 7
PLD, SPLD, GAL, CPLD, FPGA Design :: 04-01-2009 19:26 :: fallingrain_83 :: Replies: 2 :: Views: 899
can anybody plz explain : What is UIUC and DIUC in Wimx 802.16d??
for what purpose they are useful??
Digital communication :: 04-15-2008 06:42 :: rag.perfect :: Replies: 1 :: Views: 5859
Can somebody enlighten me as to how the capacity has been calculted for wimax when it is said that
" A maximum of 35 Mbps is achievable for a 64 QAM over 7 MHz bandwidth.
2. How the coverage distance can be increased by lowering the frequency used.
As an example if we use 700 MHz, the coverage would be more than if we use some 3.5GHz freuenc
Digital communication :: 02-09-2007 17:48 :: ricksidd :: Replies: 6 :: Views: 3665
wimax.but CDMa more secure.
Digital communication :: 02-03-2009 18:37 :: hiyan :: Replies: 12 :: Views: 6474
Anybody working on wimax frame structure? I want to build a fram with FUSC and PUSC but the standard IEEE 80.16e is not giving the complete structure of how the frame is built and how the subchannels are allocated to users?
From standard I have few doubts -
what exactly a burst represents?
what are clusters and tiles?
If anybody has impleme
Digital Signal Processing :: 09-19-2005 07:16 :: iTdl :: Replies: 4 :: Views: 4401