“Add to that persistent rumors that Apple will choose for its next iPhone revision a hybrid baseband controller from CDMA proprietor Qualcomm capable of handling both CDMA and GSM transmissions, and it appears more than likely that 2011 will enable the iPhone maker expand its offerings to CDMA network operators while maintaining its mantra of shipping one phone for the entire world (rather than separate GSM and CDMA devices),” Marsal reports.
Read more in the full article here.
[Thanks to MacDailyNews Reader “Dan K.” for the heads up.]
I’m curious. What, if any, advantage or benefit comes with CDMA? In New Zealand there is GSM and nothing else. One phone for all or any network. Works well.
@ superior being
sadly, it will keep people from switching to an iPhone that are currently on Verizon or other carriers
there is no upside to people delaying their switch to iPhone and your remarks indicate your certainty that a Verizon iPhone is forthcoming – however there is no Verizon iPhone coming any time soon or at all. Sorry to disappoint the ATT haters. I wonder if you are an iPhone fan or a Verizon plant due to your remarks
@ superior being
sadly, it will keep people from switching to an iPhone that are currently on Verizon or other carriers
there is no upside to people delaying their switch to iPhone and your remarks indicate your certainty that a Verizon iPhone is forthcoming – however there is no Verizon iPhone coming any time soon or at all. Sorry to disappoint the ATT haters. I wonder if you are an iPhone fan or a Verizon plant due to your remarks
iPhone = ATT service. period
nothing to see here.
iPhone will NOT be coming to Verizon any time soon.
Sorry folks (@ superior being) if you love Verizon
iPhone = ATT service. period
nothing to see here.
iPhone will NOT be coming to Verizon any time soon.
Sorry folks (@ superior being) if you love Verizon
“I am me” sez I have no sense of humor. 🙁
Well, at least I have enough sense of humor to disturb everyone at Starbucks laughing hysterically when I read that we are “superstars” here.
” width=”19″ height=”19″ alt=”tongue wink” style=”border:0;” />
“I am me” sez I have no sense of humor. 🙁
Well, at least I have enough sense of humor to disturb everyone at Starbucks laughing hysterically when I read that we are “superstars” here.
” width=”19″ height=”19″ alt=”tongue wink” style=”border:0;” />
“Please accept my anonymity. I don’t care to belong to any club that will have me as a member”. (With apologies to Mr. Marx.)
“Please accept my anonymity. I don’t care to belong to any club that will have me as a member”. (With apologies to Mr. Marx.)
Apple has declared that it won’t support outdated technology so it won’t launch a CDMA phone.
Considering that GSM is even older than CDMA, Apple is going to remove the GSM iPhone from the market. They’re just going to sit on their hands until LTE launches.
Apple has declared that it won’t support outdated technology so it won’t launch a CDMA phone.
Considering that GSM is even older than CDMA, Apple is going to remove the GSM iPhone from the market. They’re just going to sit on their hands until LTE launches.
grh:
There are some technological differences between CDMA and GSM. In America, GSM took a long time to penetrate; CDMA was overwhelming majority until Cingular/AT&T started rapidly growing.
Apparently, for carriers, CDMA offers more bank for the buck; the frequencies, as well as the technology itself, allows more simultaneous phones per cell tower, as well as better penetration through obstacles. This is why AT&T must spend more for infrastructure in order to match Verizon’s coverage and quality. However, it is older tech, and some of its limitations seem to block future growth and evolution.
The primary practical difference (at least, for me) is that you cannot simply swap phones and SIM cards, as with GSM. CDMA phones don’t use SIM cards, so you have to register your device with your carrier, and that’s that. If you want to use a different phone with your number, it is a cumbersome process, where you have to unregister the old device, before you can register the new one.
I know many women (outside US), who own five or six mobile phones in different colours (to match their chosen dress/blouse/purse/shoes), and they just move their SIM from one to the other. I can’t think of anyone in the US doing such a thing.
grh:
There are some technological differences between CDMA and GSM. In America, GSM took a long time to penetrate; CDMA was overwhelming majority until Cingular/AT&T started rapidly growing.
Apparently, for carriers, CDMA offers more bank for the buck; the frequencies, as well as the technology itself, allows more simultaneous phones per cell tower, as well as better penetration through obstacles. This is why AT&T must spend more for infrastructure in order to match Verizon’s coverage and quality. However, it is older tech, and some of its limitations seem to block future growth and evolution.
The primary practical difference (at least, for me) is that you cannot simply swap phones and SIM cards, as with GSM. CDMA phones don’t use SIM cards, so you have to register your device with your carrier, and that’s that. If you want to use a different phone with your number, it is a cumbersome process, where you have to unregister the old device, before you can register the new one.
I know many women (outside US), who own five or six mobile phones in different colours (to match their chosen dress/blouse/purse/shoes), and they just move their SIM from one to the other. I can’t think of anyone in the US doing such a thing.
Which came first, GSM or CDMA?
Wednesday, April 7, 2010 by Philip Haven
Since it seems that most people believe that Global System for Mobile communications (GSM) is the original cellular technology, having been introduced in the 1980’s years before CDMA’s (Code Division Multiple Access…2G and 3G) introduction in the early 1990’s, I thought I would provide some interesting details to how CDMA came to be.
While GSM is in fact older from a commercial standpoint – CDMA technology is actually older overall, and was first developed at the beginning of World War II. The original application was as a method for remotely controlling torpedoes. At that time though, it was never implemented due to a lack of feasibility in the current technological climate.
As transmission technology improved, it wasn’t long before the US military began using CDMA to send and receive secure messages during the cold war. Because CDMA uses spread-spectrum technology – which is the process of dividing messages into tiny fragments and sending them over several different frequencies – CDMA is inherently secure.
Each fragment is tagged with a code that only the sender and receiver know, and thus the overall message can’t be reassembled by someone in the middle intercepting the fragmented data.
In the mid-1980’s, the US government declassified CDMA technology, and a few years later it began to be tested for commercial use.
So the answer is: CDMA.
—
Also…
Frequency-hopping spread-spectrum invention
Avant garde composer George Antheil, a son of German immigrants and neighbor of [Hedy] Lamarr, had experimented with automated control of musical instruments, including his music for Ballet Mecanique, originally written for Fernand Léger’s 1924 abstract film. This score involved multiple player pianos playing simultaneously.
Together, Antheil and Lamarr submitted the idea of a secret communication system in June 1941. On August 11, 1942, U.S. Patent 2,292,387 was granted to Antheil and “Hedy Kiesler Markey”, Lamarr’s married name at the time. This early version of frequency hopping used a piano roll to change between 88 frequencies and was intended to make radio-guided torpedoes harder for enemies to detect or jam.
The idea was not implemented in the USA until 1962, when it was used by U.S. military ships during a blockade of Cuba[6] after the patent had expired. Perhaps owing to this lag in development, the patent was little-known until 1997, when the Electronic Frontier Foundation gave Lamarr an award for this contribution.[1] In 1998, Ottawa wireless technology developer Wi-LAN, Inc. “acquired a 49 percent claim to the patent from Lamarr for an undisclosed amount of stock” (Eliza Schmidkunz, Inside GNSS);[7] Antheil had died in 1959.
Lamarr’s and Antheil’s frequency-hopping idea serves as a basis for modern spread-spectrum communication technology, such as COFDM used in Wi-Fi network connections and CDMA used in some cordless and wireless telephones.[8] Blackwell, Martin, and Vernam’s 1920 patent Secrecy Communication System (1598673) seems to lay the communications groundwork for Kiesler and Antheil’s patent which employed the techniques in the autonomous control of torpedoes.
Lamarr wanted to join the National Inventors Council, but she was told that she could better help the war effort by using her celebrity status to sell War Bonds. She once raised $7,000,000 at just one event.
Which came first, GSM or CDMA?
Wednesday, April 7, 2010 by Philip Haven
Since it seems that most people believe that Global System for Mobile communications (GSM) is the original cellular technology, having been introduced in the 1980’s years before CDMA’s (Code Division Multiple Access…2G and 3G) introduction in the early 1990’s, I thought I would provide some interesting details to how CDMA came to be.
While GSM is in fact older from a commercial standpoint – CDMA technology is actually older overall, and was first developed at the beginning of World War II. The original application was as a method for remotely controlling torpedoes. At that time though, it was never implemented due to a lack of feasibility in the current technological climate.
As transmission technology improved, it wasn’t long before the US military began using CDMA to send and receive secure messages during the cold war. Because CDMA uses spread-spectrum technology – which is the process of dividing messages into tiny fragments and sending them over several different frequencies – CDMA is inherently secure.
Each fragment is tagged with a code that only the sender and receiver know, and thus the overall message can’t be reassembled by someone in the middle intercepting the fragmented data.
In the mid-1980’s, the US government declassified CDMA technology, and a few years later it began to be tested for commercial use.
So the answer is: CDMA.
—
Also…
Frequency-hopping spread-spectrum invention
Avant garde composer George Antheil, a son of German immigrants and neighbor of [Hedy] Lamarr, had experimented with automated control of musical instruments, including his music for Ballet Mecanique, originally written for Fernand Léger’s 1924 abstract film. This score involved multiple player pianos playing simultaneously.
Together, Antheil and Lamarr submitted the idea of a secret communication system in June 1941. On August 11, 1942, U.S. Patent 2,292,387 was granted to Antheil and “Hedy Kiesler Markey”, Lamarr’s married name at the time. This early version of frequency hopping used a piano roll to change between 88 frequencies and was intended to make radio-guided torpedoes harder for enemies to detect or jam.
The idea was not implemented in the USA until 1962, when it was used by U.S. military ships during a blockade of Cuba[6] after the patent had expired. Perhaps owing to this lag in development, the patent was little-known until 1997, when the Electronic Frontier Foundation gave Lamarr an award for this contribution.[1] In 1998, Ottawa wireless technology developer Wi-LAN, Inc. “acquired a 49 percent claim to the patent from Lamarr for an undisclosed amount of stock” (Eliza Schmidkunz, Inside GNSS);[7] Antheil had died in 1959.
Lamarr’s and Antheil’s frequency-hopping idea serves as a basis for modern spread-spectrum communication technology, such as COFDM used in Wi-Fi network connections and CDMA used in some cordless and wireless telephones.[8] Blackwell, Martin, and Vernam’s 1920 patent Secrecy Communication System (1598673) seems to lay the communications groundwork for Kiesler and Antheil’s patent which employed the techniques in the autonomous control of torpedoes.
Lamarr wanted to join the National Inventors Council, but she was told that she could better help the war effort by using her celebrity status to sell War Bonds. She once raised $7,000,000 at just one event.
Oh, and.
http://www.hackcanada.com/blackcrawl/cell/gsm/gsm-basic.html
Oh, and.
http://www.hackcanada.com/blackcrawl/cell/gsm/gsm-basic.html