One of the solutions to the iPhone 4 signal reception issue is to use a rubber bumper, which was designed to protect the phone from physical damage but also keeps skin from touching the antenna, which is the cause of the signal reception problem.
Apparently the left side of the iPhone 4 receives Wi-Fi signals while the right side picks up the 3G signal for calls. And human tissue blocks reception of radio waves. Holding the device, when the antenna is on the exterior of the device, also means the antenna's physical length is affected. That's important because antenna length is proportional to the wavelength of the signals a device is trying to capture.
What seems like long ago, when people used TV antennae on their roofs to pick up broadcast TV, the antenna array was fairly large: feet worth of antennae. That was because the broadcast TV signals had a fairly long wavelength, so one needed a fairly-long antenna to catch the signals.
Cell phone signals are higher frequency, with shorter wavelength, so antennae are correspondingly shorter, measured in inches. But touching the antenna can effectively shorten its length, thus affecting reception, aside from the absorption of some of the signal.
link
Friday, June 25, 2010
iPhone 4 Reception Issues: Use a Bumper
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
iPhone 4 Reception Problems? Stop Holding It The Wrong Way, Apple Says
The advice? Stop holding the phone the wrong way.
Apple sent Engadget the following statement: "Gripping any mobile phone will result in some attenuation of its antenna performance, with certain places being worse than others depending on the placement of the antennas. This is a fact of life for every wireless phone. If you ever experience this on your iPhone 4, avoid gripping it in the lower left corner in a way that covers both sides of the black strip in the metal band, or simply use one of many available cases."
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
Thursday, June 24, 2010
Marketing in a Broadband Context
You might be able to pull some nuggets from this presentation.
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
Vote: Do You Have Signal Strength Issues on Your iPhone 4?
And don't forget to try it using both hands, left and right. You should get different results.
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
Gap Between Revenue and Bandwidth is The Heart of the Matter
One doesn't have to love, or even like, any of the communication providers out there to acknowledge that there is a key business problem here that directly affects any user's ability to get the most out of their communication spending and experience.
The global voice market is declining, first on the fixed line networks and now starting on the mobile networks as well. You don't have to care about that. But if you want better services, you have to acknowledge that if current revenue gets cut in half, then perhaps to a third, the people who run networks will have a hard time investing in better networks. This is not a matter of sentiment but of economics.
Everybody knows that the replacement revenues will have to come from the broadband, video, content mobile, data and commerce services realms. So the practical issue providers have is to scale the new revenues at least up to the point where voice revenue is now. Along the way service providers will have to cut costs as well, but the key issue is new revenues.
And the problem there on the bandwidth services front is that across all networks, revenue does not scale linearly with bandwidth supplied. Since nobody seems to think that can be changed too much, the burden of growth will come on the new applications and services fronts.
That means most issues related to terms of service or price of service are simply efforts to better match cost and revenue for the access part of the business. Nobody thinks the whole problem can be fixed that way, but it is part of the solution, in addition to deploying more-efficient networks and creating new services that people are comfortable paying for.
You don't have to love or like any particular service provider to hope service providers can figure this out. Unless of course you have a way of creating your own services.
The global voice market is declining, first on the fixed line networks and now starting on the mobile networks as well. You don't have to care about that. But if you want better services, you have to acknowledge that if current revenue gets cut in half, then perhaps to a third, the people who run networks will have a hard time investing in better networks. This is not a matter of sentiment but of economics.
Everybody knows that the replacement revenues will have to come from the broadband, video, content mobile, data and commerce services realms. So the practical issue providers have is to scale the new revenues at least up to the point where voice revenue is now. Along the way service providers will have to cut costs as well, but the key issue is new revenues.
And the problem there on the bandwidth services front is that across all networks, revenue does not scale linearly with bandwidth supplied. Since nobody seems to think that can be changed too much, the burden of growth will come on the new applications and services fronts.
That means most issues related to terms of service or price of service are simply efforts to better match cost and revenue for the access part of the business. Nobody thinks the whole problem can be fixed that way, but it is part of the solution, in addition to deploying more-efficient networks and creating new services that people are comfortable paying for.
You don't have to love or like any particular service provider to hope service providers can figure this out. Unless of course you have a way of creating your own services.
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
Is the Apple 4 Steel Band Antenna the Problem, or Something Else?
Users are reporting problems with signal reception when the Apple iPhone 4 is held in the left hand, as opposed to the right. But the earlier iPhone 3 also had reception issues, leading one to wonder whether it is a physical issue or a software issue.
It is starting to appear as though every new smartphone has some issues, despite the strengths. HTC Evo users will tell you that despite the bigger battery and beautiful screen, battery life is poor. Poor as in, if you do a lot of web operations, you might have to charge it more than once a day. Of course, iPhone 3 users probably would agree that heavy web use kills battery life as well.
It is starting to appear as though every new smartphone has some issues, despite the strengths. HTC Evo users will tell you that despite the bigger battery and beautiful screen, battery life is poor. Poor as in, if you do a lot of web operations, you might have to charge it more than once a day. Of course, iPhone 3 users probably would agree that heavy web use kills battery life as well.
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
Nobody Likes ETFs, But Nobody Wants to Pay Full Retail, Either
Which option do you suspect most people will choose? If you want to know why the hated ETFs exist, it is the subsidy.
AT&T’s ETF on a smartphone like the iPhone is $325, up from $175 in May. Why? Some will carrier greed. But under the old pricing rules, a consumer could buy a phone for $99 on contract, instead of $600. Then the consumer could break the contract, pay the $175 fee, getting the device, without a contract commitment, for $274.
AT&T’s ETF on a smartphone like the iPhone is $325, up from $175 in May. Why? Some will carrier greed. But under the old pricing rules, a consumer could buy a phone for $99 on contract, instead of $600. Then the consumer could break the contract, pay the $175 fee, getting the device, without a contract commitment, for $274.
The customer then could sell the device on eBay or simply sign up for service with no contract.
Nobody likes contracts or ETFs. But nobody wants to pay full retail, either.
Gary Kim has been a digital infra analyst and journalist for more than 30 years, covering the business impact of technology, pre- and post-internet. He sees a similar evolution coming with AI. General-purpose technologies do not come along very often, but when they do, they change life, economies and industries.
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