Shiva Bandaru

Nope, get your facts right from google searches. CDMA is nextgen tech while GSM is legacy. North and part of South America, China, India, Japan, Korea all are CDMA. Only EU and some part of North america has GSM. I dont agree with you. GSM has more then 75% market share where Cdma just 25% GSM is more adwanced . we have 2g(gprs), 2.5g(Edge) and finally 3G and more adwancements comming soon.. CDMA is old propertiory technology hence i dont recomend it. it also has incompatible versions . major us telcos also thinking to switch over to GSM.

CDMA Dead?. Future is GSM.

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I am from TANUKU, ANDHRA. I love friends

Is Instant Messaging(to yahoo,MSN,AOL) available on R world/wap ? (wap) what the cost on pre paid? I want to know. is Rworld wap same as GPRS WAP? any users plese post here. I hear Instant messaging Free on Indicom prepaid. is it True ? which handset best for all time instant messaging ?

GPRS is best for always on to multiple IM(yahoo,man,aol,icq) networks. and it is cost effective too at just 100 per month. (idea/airtel/bsnl) you can send and recive unlimited messages.

Today I Found Intresting Story about CDMA future On GIZMODO.COM (scoop site related to latest Gizmos and technology) ............................. CDMA Dead? Carriers May Switch Standards Siemens, makers of GSM switching hardware and, in conjunction with BenQ, GSM phones, is saying that CDMA is on its way out in North America. Ummmm… Right. According to the peeps over at Siemens, more carriers are looking to migrate to the standard GSM networks instead of using CDMA. With market share of CDMA declining more and more every year, companies are looking to GSM for an answer. Numbers may or may not lie, but Sprint and Verizon ain’t going anywhere, that’s for sure. In related news, Coke execs said that Pepsi causes massive cramping and Apple says that Spain is going PowerPC all the way, eschewing Intel completely. ................................... COMENTS yea, not so sure i believe this statement either.. since the CDMA based carriers are the only one's with a high-speed (3Gish) data networks too.. where as Cingular just implemented and started to rollout their highspeed cell data and tmobile.. well.. tmobile is always behind... plus, how happy is your average US Joe/Jane gonna be when they are told that the new $300 phone they bought for xmas is no longer going to work since the carrier is changing to GSM?? by seamonkey420 on 12/15/05 11:47 AM AT&T switched to GSM. Southwest Bell switched to GSM. Nobody has switched to CDMA. It all comes down to market share. GSM has 77.6% of the market, which means the cool phones (e.g. RAZR) and the feature-rich phones (Treo, P910) come out for GSM first, CDMA months or years later, or never. Then there are the business travelers. Most want hassle-free international coverage, which means GSM. So as the cellphone market in the US starts to get more sophisticated, that's going to put CDMA operators at a severe disadvantage. I recently switched cell provider, but I didn't even consider Verizon because of their niche technology. by mathew on 12/15/05 01:47 PM neither sprint or verizon will be switching to GSM. GSM is more dead than CDMA. (and yes, my dad can beat up your dad) Both standards will converge in the near future into UTMS or WCDMA or whatever you want to call it. Eventually there will be one standard and less than a handful of providers, making the whole expirence more "global". And that's what we as consumers really want, right? by non-meat-stick on 12/15/05 01:48 PM I would like to believe that this Siemen's individual's words were taken out of context. Siemen's recently layed off a bunch of their handset division - a division that made GSM phones. There have been no recent advances in GSM technology - just cheaper and smaller chipsets. So GSM (as a standard) has peaked - the installed base is huge, but there's not much use for new equipment. Siemens, OTOH does a good business making 3G infrastructure equipment (UMTS/HSDPA) and is fully committed to the growth of WCDMA. I would like to believe that the individual was actually talking about the battle between 3GPP (WCDMA) and 3GPP2 (CDMA). "I would not bet on North America continuing with CDMA. CDMA is losing market share globally as the new mobile phone users live mostly in the areas where GSM is the leading technology." Worldwide, CDMA has a smaller installed base than GSM. But GSM itself has hit the end of the road and is being replaced by WCDMA. So I would disagree that CDMA is losing marketshare - it just isn't growing as fast as GSM/WCDMA (which you can argue is losing). However, WCDMA and CDMA, as evidenced by their acronyms, have commonality in their principles and have similar benefits for the carriers (though they will never merge). WCDMA, by its nature, will likely win-out in terms of throughput (even in NA), but don't count on CDMA disappearing. And in the end, Qualcomm holds the patents on the technology, so all the royalties come back to the same entity regardless of which technology "wins". China is among the markets where the company is active. Catselitz expects China to issue third generation (3G) licenses in several stages, starting early next year. "I believe China's 3G licenses will be given in the early part of 2006; it could be the first quarter," he said. China is expected to spend more than $10 billion to set up its 3G networks after licenses are awarded. As for China, don't hold your breath. A year ago I was in Hong Kong hearing the same statement - just swap 2005 for 2006. I'm convinced that China will not issue any 3G licenses until they (chinese infrastructure/chipset/handset designers) have perfected TD-SCDMA. China naturally does not want non-Chinese vendors to overrun its potential to service itself with its own infrastructure. It might give the NA/EU infrastructure companies "close" to equal access, but expect China to grant licenses only after they're ready to compete with TD-SCDMA equipment of similar performance, based on Chinese IP. Why give your money to another country when you can stall long enough to pay yourself? But again, Qualcomm is on the hunt for royalties from any TD-SCDMA development - and they'll actively persue them and take the cut they think they deserve. by skip on 12/15/05 01:50 PM Sorry non-meat-stick, but the two will never converge. They will overlay and some carriers may switch from one to the other (from CDMA to WCDMA) but though the two will not unite, they are not completely dissimilar. WCDMA is 5MHz wide, CDMA is 1MHz, and each with different channel spacing. The codes they use for spreading are different, synchronization between basestations is differrent, and those are fundamental differences. WCDMA is designed to "nicely" replace GSM coverage, whereas CDMA will not. But at the moment CDMA (EVDO), while losing on theoretical throughput, gives best real-world throughput. Expect that to change as higher-speed HSDPA (WCDMA) handsets come on the market. South Korea, which has been a CDMA-only environment, appears to be migrating to HSDPA, so in that sense WCDMA might be winning over CDMA, but nobody is losing to GSM. As for a "global" experience, expect chipsets that support both CDMA and WCDMA to appear sometime in the future, and in handsets 9 months later. by skip on 12/15/05 02:05 PM Full story Will U.S. carriers switch mobile standards?

Thanx Arun!

Change my User name to Shiva Bandaru

EV-DO handsets are very very costly and must bound to operator . (is we have 100% ownership of handset?) I Think it is not good to buy Hi-End phones in CDMA because we are not alowed to use it on another Cdma networks. With 3G , GSM operators capable to offer Hi-Speed Internet to its users. CDMA is best for Limited Mobility/FWP area where AIRTEL also offers GSM Fixed wireless phones with SIM in some areas. There are TOUGH Times Ahead For CDMA in INDIA. Latest news links Samsung Introduces 3G HSDPA Technology with Vodafone and Qualcomm China develops high-speed chip for 3G mobile phone service

I agree with you . IN GSM we have lot of choices - Good Handsets (we have 100% ownership), Different Carriers, Always on GPRS, WAP and more value added services..... Most of Cdma users are newbies. they mainly use it for incoming calls and sparely use for outgoing . With Lifetime offers by GSM operators ,and low priced handsets, newbies like GSM then CDMA. The main adwantage of CDMA is DATA capability. Both Reliance/Tata charges VERY HIGH rates for Internet/data usage. Their new schemes discourages data users. BSNL DATAONE is more cheaper then these CDMA operators (400mb unlimited - 250, 2Gb Unlimited - 700) I Think BAD TIMES ahead for CDMA.

UMTS(HSDPA) is better technology and cheaper then WCDMA. allmost all new 3G phones (GSM) supports UMTS/CDMA/GSM Triband(eg SE P990, NOKIA E series) I Think most of Cdma phones avilable in india are not 3G phones. they are just basic phones dumped to india at very low prices to operators (most of phone models are OLD STOCK/ OUT DATED/FAILED in N/S america). Once Number portability & 3G Is Finalised in INDIA, CDMA operators may lose customers.

Happy New year ! Welcome to 2006

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There is lot of news of Ultra cheap Handsets in media. both in GSM and CDMA . Ok. But I Think These handsets have more radiation then normal ones. Look at TATA INDICOM ACE . It gets heated when talking. RELIANCE handsets also heats after few minues of talking. I want to know Which hand sets emits more Radiation? GSM or CDMA?

i get headace while talking on CDMA , (Both TATA & Reliance)

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