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Cellular Phone Forum / Country Specific / Australian Group / February 2005CDMA?
Why doesn't CDMA work in the city underground (sydney) when GPRS does? > Why doesn't CDMA work in the city underground (sydney) when GPRS does? Because the majority of inbuilding cells (i.e. office buildings, tunnels) are wired for GSM, which GPRS is a superset of. CDMA (in Australia) is primarily a network designed for rural areas, and thus in many cases it's not economic to have the same depth of coverage in a metro area. Albinus. >Because the majority of inbuilding cells (i.e. office buildings, >tunnels) are wired for GSM, which GPRS is a superset of. CDMA (in >Australia) is primarily a network designed for rural areas, and thus in >many cases it's not economic to have the same depth of coverage in a >metro area. See recent posts re Telstra trying to push CDMA to city-folk. Customer demand may see Telstra make such installations in rail tunnels (assuming it's possible). >>Because the majority of inbuilding cells (i.e. office buildings, >>tunnels) are wired for GSM, which GPRS is a superset of. CDMA (in [quoted text clipped - 6 lines] > Customer demand may see Telstra make such installations in rail > tunnels (assuming it's possible). It's possible. The 10km Airport Rail Tunnel has full CDMA coverage. Frank >It's possible. The 10km Airport Rail Tunnel has full CDMA coverage. Cool. I hadn't been down there with my CDMA handsets. >>It's possible. The 10km Airport Rail Tunnel has full CDMA coverage. > > Cool. I hadn't been down there with my CDMA handsets. I am not sure about Orange coverage though. Frank >I am not sure about Orange coverage though. Orange roams onto Telstra CDMA. >>I am not sure about Orange coverage though. > > Orange roams onto Telstra CDMA. Does it roam onto Telstra within the Orange licence area? I remmeber it didn;t at one stage, but I thought that was going to be changed > Does it roam onto Telstra within the Orange licence area? I remmeber it > didn;t at one stage, but I thought that was going to be changed It roams whenever there isn't Orange signal, so it would work. Graham. > >Because the majority of inbuilding cells (i.e. office buildings, > >tunnels) are wired for GSM, which GPRS is a superset of. CDMA (in [quoted text clipped - 6 lines] > Customer demand may see Telstra make such installations in rail > tunnels (assuming it's possible). Its almost always possible. > Why doesn't CDMA work in the city underground (sydney) when GPRS does? GPRS is an add-on to GSM, so your question doesnt even make sense >> Why doesn't CDMA work in the city underground (sydney) when GPRS does? > GPRS is an add-on to GSM, so your question doesnt even make sense Corse it does, he's essentially asking why CDMA doesnt work when GSM does. > >> Why doesn't CDMA work in the city underground (sydney) when GPRS does? > > > GPRS is an add-on to GSM, so your question doesnt even make sense > > Corse it does, he's essentially asking why CDMA doesnt work when GSM does. Fuckwits who cant ask straigh-forward questions get to bugger off >> >> Why doesn't CDMA work in the city underground (sydney) when GPRS does? >> [quoted text clipped - 3 lines] > > Fuckwits who cant ask straigh-forward questions get to bugger off Fuckwit dunny cleaning children get no say what so ever on who gets to bugger off. Ever. >Why doesn't CDMA work in the city underground (sydney) when GPRS does? There aren't any CDMA cells in the CBD railway stations. I'm a train driver with RailCorp and use a now-old Nokia 8210. It works in the stations but most of the tunnels don't propagate the signal enough to have it work all the way through (except in the tunnels between Kings Cross station and Edgecliff). GPRS is an addition to standard GSM so it works wherever there is a GSM cell transceiver set up. Craig.  SignatureCraig Dewick (craig@poison.lios.apana.org.au). http://lios.apana.org.au/~craig APANA Sydney Deputy Regional Co-ordinator. Operator of Jedi (APANA Sydney POP) Always striving for a secure long-term future in an insecure short-term world Have you exported a crypto system today? Do your bit to undermine the NSA. >There aren't any CDMA cells in the CBD railway stations. I'm a train driver >with RailCorp and use a now-old Nokia 8210. It works in the stations but >most of the tunnels don't propagate the signal enough to have it work all >the way through (except in the tunnels between Kings Cross station and >Edgecliff). I hope you've got a Handsfree system, Craig. Seeing all the car drivers paying more attention to their mobile phones than to the road is bad enough; I don't want our train drivers doing it too :-) [ I'm actually surprised if there isn't already a ruling forbidding drivers to have a mobile phone; your attention should be on the tracks. ] Nick. Signaturehttp://www.nick-andrew.net/ http://aus.news-admin.org/ I prefer USENET replies. Don't send email copies. Drop the spamtrap to reply. > >There aren't any CDMA cells in the CBD railway stations. I'm a train driver > >with RailCorp and use a now-old Nokia 8210. It works in the stations but [quoted text clipped - 10 lines] > > Nick. In his defense, he doesn't say he uses it while working, just in the tunnels. He may actually commute to work..... Ken > >There aren't any CDMA cells in the CBD railway stations. I'm a train driver > >with RailCorp and use a now-old Nokia 8210. It works in the stations but [quoted text clipped - 8 lines] > [ I'm actually surprised if there isn't already a ruling forbidding > drivers to have a mobile phone; your attention should be on the tracks. ] Nick, stop being a pompous git >[ I'm actually surprised if there isn't already a ruling forbidding >drivers to have a mobile phone; your attention should be on the tracks. ] Eh? It's the driver's personal mobile phone that provides the backup for communication to NSW train drivers. SignatureJohn Savage (my news address is not valid for email) > >[ I'm actually surprised if there isn't already a ruling forbidding > >drivers to have a mobile phone; your attention should be on the tracks. ] > > Eh? It's the driver's personal mobile phone that provides the backup for > communication to NSW train drivers. Same in Vic |
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