Wireless Reception Issues?

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BarryH_GEG

BarryH_GEG

Senior Member
Jan 16, 2009
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Spokane, Washington
Here's something to think about. The One's casing is indeed 100% aluminum. In every previous attempt by a manufacturer to use an all-aluminum housing the result was disastrous for wireless reception. That includes antenna-gate on the Sensation which only had a partial aluminum body. Looking at the casing HTC's either going to try to get a signal through it or the antennas will have to be forward facing to get through the glass front panel. Neither is a recipe for great and/or consistent wireless reception. It'll be interesting to see how the One does once it's tested by sites like GSMArena and Anandtech.

 
E

Eggcake

Senior Member
Apr 5, 2010
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First of all..I still don't get the "all aluminium construction" as from some pictures the sides are clearly NOT metal but plastic.

Other than that:
His focus on the all-metal attributes is a direct shot at the iPhone 5, which similarly uses aluminum but has a top and bottom row on the back that's constructed of glass, enabling the antenna inside to broadcast and receive signals. The HTC One, however, worked around that by building the antenna into the metal back of the phone, allowing for a more seamless looking device.
While the back of the phone is part of the antenna, Croyle doesn't foresee any reception issues like the iPhone 4, which used the metal frame around the phone as its antenna, causing some signal issues when held the wrong way. Croyle promised there wouldn't be an "antennagate" with the One.
Click to expand...
Click to collapse
http://news.cnet.com/8301-1035_3-57...ke-good-first-impression-with-all-metal-body/
 
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djq

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Dec 10, 2012
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Its mentioned a hundred times on this forum how the antenna is integrated into this phone. The back has strips for it... look at the pictures...

Sent from my HTC One S using xda app-developers app
 
strip419

strip419

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Jul 18, 2012
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Eggcake said:
First of all..I still don't get the "all aluminium construction" as from some pictures the sides are clearly NOT metal but plastic.

Other than that:

http://news.cnet.com/8301-1035_3-57...ke-good-first-impression-with-all-metal-body/
Click to expand...
Click to collapse

It's no plastic @ the side its all metal....its just metal in a different colour...if u take out all components u are left full metal case so I don't see where the plastic is from

Sent from my Desire Z using xda premium
 
BarryH_GEG

BarryH_GEG

Senior Member
Jan 16, 2009
10,197
5,142
Spokane, Washington
Eggcake said:
the sides are clearly NOT metal but plastic.
Click to expand...
Click to collapse

Guess again.

HTC also makes a big deal about the One's all-aluminum chassis, describing it as using a zero-gap unibody design. Indeed, available in hues of black and silver, the handset feels sturdy, has reassuring heft, and its smooth metallic skin exudes high-end craftsmanship. HTC also took pains to point out that while the thin white trim encircling the silver model I manhandled appears to be plastic, it is in fact metal.​
 
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Tomatoes8

Senior Member
Jun 10, 2012
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The iPhone 5 needed a lot of glass and the iPad needs the plastic Apple logo for the WiFi and those black plastic strips for the 3g versions. The HTC fans better hope that they need less plastic than Apple or they will have an Asus Transformer prime fiasco here.

The fans better hope that HTC has thoroughly tested this thing from a basement, between two skyscrapers, to a boat, to the top of the mountain, in car, on a helicopter etc. Judging from HTC craftsmanship from the past though, especially button ergonomics, good luck HTC fans.
 
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BarryH_GEG

BarryH_GEG

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Jan 16, 2009
10,197
5,142
Spokane, Washington
Tomatoes8 said:
The HTC fans better hope that they need less plastic than Apple or they will have an Asus Transformer prime fiasco here.
Click to expand...
Click to collapse

That's exactly what I thought of when it was announced the One's housing was all-aluminum. Here's what Anand said about the Prime's signal issues which Asus corrected in the Infinity by adding a plastic strip along the back where the antennas are. Wi-Fi limped along on the Prime but GPS was so FUBAR because of the all metal-back Asus ended up giving owners a detachable external dongle in order to use GPS at all.

There is no RF window on the back of the Prime where the two antennas are located. Aluminum does a fairly good job of attenuating RF signals, which contributes to worse range on WiFi than the original plastic Eee Pad Transformer. WiFi performance at the edge of reception as well as the maximum usable WiFi range are both noticeably lower than its predecessor.​

expertzero1 said:
guess they learned what to fix after the fiasco on the one x
Click to expand...
Click to collapse

The One X Wi-Fi issue was caused by connectors not meeting properly during the production process. HTC can't defy the laws of physics which say metal and wireless signals aren't compatible. In the Prime scenario Tomatoes8 mentioned Asus added a second antenna and used diversity as a means of getting a signal through the metal back cover. They also amped the signal up to the point it interfered with BT which uses the same 2.4GHz frequency. The challenge is even greater using metal on a phone because there's less physical space to work with in terms of antenna size, placement, and interference with other components.

For HTC and fans of their devices sake I hope this isn't an issue. But if they succeed in using an all-metal housing and still maintain competitive wireless performance they'll be the first to do so where there’s a history of others failing.
 
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Eggcake

Senior Member
Apr 5, 2010
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104
Just another quote/info from Anandtech:

Plastic is injected into the aluminum block after certain cuts are made for the back case, which then gets machined into the final form. The One uses the top and bottom aluminum strips for antennas, both of which are actively tuned to mitigate unintended attenuation from being held. There’s a plastic insulative strip in-between the two antennas and the main body. In spite of being aluminum, the One also includes NFC, whose active area surrounds the camera region. There’s no wireless charging from Qi or WPC, however.
Click to expand...
Click to collapse
http://www.anandtech.com/show/6754/hands-on-with-the-htc-one-formerly-m7

But yeah, let's hope they really tested it...it would be a fiasco otherwise.
 
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BarryH_GEG

BarryH_GEG

Senior Member
Jan 16, 2009
10,197
5,142
Spokane, Washington
Eggcake said:
Just another quote/info from Anandtech.
Click to expand...
Click to collapse

Great info. But one has to wonder with an R&D budget larger than HTC's capitalization why Apple wouldn't have figured the same thing out and avoided the issues they faced when they took the Apple logo off the back of the iPad and moved the antenna under the perforated speaker grate and had to use a plastic trim strip over the antenna on the 3G/GPS version. The only real pass/fail test will be when there are One's in people's hands for a couple of months. It took almost three months (launched in March, issue identified in June) for users to figure out the commonality in the One X's wireless issue. Kudos to HTC if they've figured out how to design a metal device with decent wireless performance where others haven't been able to.
 
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    Tomatoes8
    The iPhone 5 needed a lot of glass and the iPad needs the plastic Apple logo for the WiFi and those black plastic strips for the 3g versions. The HTC fans better hope that they need less plastic than Apple or they will have an Asus Transformer prime fiasco here.

    The fans better hope that HTC has thoroughly tested this thing from a basement, between two skyscrapers, to a boat, to the top of the mountain, in car, on a helicopter etc. Judging from HTC craftsmanship from the past though, especially button ergonomics, good luck HTC fans.
    View
    1
    BarryH_GEG
    BarryH_GEG
    Eggcake said:
    the sides are clearly NOT metal but plastic.
    Click to expand...
    Click to collapse

    Guess again.

    HTC also makes a big deal about the One's all-aluminum chassis, describing it as using a zero-gap unibody design. Indeed, available in hues of black and silver, the handset feels sturdy, has reassuring heft, and its smooth metallic skin exudes high-end craftsmanship. HTC also took pains to point out that while the thin white trim encircling the silver model I manhandled appears to be plastic, it is in fact metal.​
    View
    1
    E
    Eggcake
    Just another quote/info from Anandtech:

    Plastic is injected into the aluminum block after certain cuts are made for the back case, which then gets machined into the final form. The One uses the top and bottom aluminum strips for antennas, both of which are actively tuned to mitigate unintended attenuation from being held. There’s a plastic insulative strip in-between the two antennas and the main body. In spite of being aluminum, the One also includes NFC, whose active area surrounds the camera region. There’s no wireless charging from Qi or WPC, however.
    Click to expand...
    Click to collapse
    http://www.anandtech.com/show/6754/hands-on-with-the-htc-one-formerly-m7

    But yeah, let's hope they really tested it...it would be a fiasco otherwise.
    View

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