> > Hi everybody, >> >> After some time working with EURANE I've found these non reported >> mistakes: >> >> 1) UMTS/RLC/UMHS win_ parameter is useles. Nevermind its value, >> nothing happens. By the way, at file ns-default.tcl it is set to 4095 but >> in EURANE User Guide it is said to be set to 1024. >> 2) parameter hs_downlinkBW for node configurations -UmtsNodeType bs >> and -llType UMTS/RLC/ is useless. Nevermind its value, nothing happens. >> 3) why the number of HARQ processes is set to 6? In any UMTS Release >> 5 specification, is always set to 8. Also, at Deliverable D32.v2 this >> parameter is said to be set to 8. >> 4) Nowhere in EURANE documentation there is any reference to the UEs >> categories used in the simulation. I guess some UE categorie is taken by >> default, but don't know. >> 5) There is no way to set more than 1 flow per UE if any of the flow >> is a TCP type one. Only 2 CBR flow types per UE can work properly. Any >> other combination mess up the bandwith. >> 6) CBR can not be set to more than 3UEs (AM or UM mode, doesn't >> matter). >> > > But my two main interest are these: > >> 7) CBR maximum data rate per UE is 2300 Kbps, but setting >> UMTS/RLC/UMHS credit_allo_interval parameter to 8 or "8ms" then thoughput >> can be as high as 2800 Kbps/UE. Of course this is a very unstable setting >> and easily leads to "Couldn't schedule timer" errors. By the way, at file >> ns-default.tcl this parameter is set to 15 but in EURANE User Guide it is >> said to be set to 30ms. >> 8) TCP maximum data rate per UE is 330 Kbps. >> >> HSDPA maximum theoretical data rate is 14.4 Mbps !!! >> > > >> If anybody, anytime, achieved such a huge date rate, please e-mail your >> Tcl script or any documentation to me. Or just tell me where are the >> throughput boundaries. I would be very thankful. >> >> > 2.6.32-38-generic #83-Ubuntu SMP Wed Jan 4 11:13:04 UTC 2012 i686 GNU/Linux > ns-2.30 +eurane-1.12 > >> >> Yours sincerely >> Best regards >> J.Carlos >> > >
