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Samsung is about to add a fifth 'G' to the mix.  (Source: Shootspeak)
World's top smartphone maker expects tech to roll out by 2020

Despite the drastic relative devaluation of standard patents in the U.S., Samsung Electronics Comp., Ltd. (KSC:005930) continues to pioneer new industry standard smartphone and telecommunications technologies.  Samsung announced this week that it had completed trials of the core technology it hopes will make up the fifth generation (5G) wireless standard.

The era of 4G LTE is still young, but Samsung is already cooking up a faster replacement, 5G.  According to Samsung the technology will allow you to download a full length movie over the air in less than a second.  Versus LTE, which tops out at around 75 megabits-per-second (Mbps), 5G will offer blazing speeds of up to tens of gigabits-per-second (Gbps).
According to South Korea's Yonhap News Agency, in its test Samsung achieved "low-end" 5G -- a transmission of 1 Gbps in the 28 Gigahertz (GHz) band.  This is even faster than previous "5G" trials in the UK that showed off 200 Mbps transmissions.

The bad news is that Samsung says the technology likely won't hit the market till 2020.

And the other bad news is that the technology has a lot of hurdles to overcome to achieve commercial viability -- it required 64 antennas for Samsung to achieve its record result.

Still with China and the European Union investing big in the development of the next generation standard, and top electronics firms like Samsung stepping up to the plate, it seems that a solution will eventually be found.

Source: Yonhap News

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5G Range
By BWAnaheim on 5/13/2013 10:15:27 AM , Rating: 3
I would be curious as to at what range Samsung achieved this effective speed. At 28 GHz with low-gain (versus dishes), I imagine the effective range will only be in the low hundreds of meters in near free space. The signal will likely be extremely sensitive to Fresnel zone disturbances, diffraction, and multi-path fading.

I cannot see this type of technology making it much past areas of extremely high population densities due to the cost-effectiveness of coverage. At 28 GHz with large dishes, directional coverage is only good for a few miles versus 1.9 GHz or even 6 GHz. Add backhaul requirements to this, too. It will be interesting.

Another interesting item here will be coordinating bands worldwide for 5G. Frequency licensing constraints likely will hamper uniform deployment, too.

Based on these factors, 2020 would be a date for early adoption/trials even if the technology was ready.

RE: 5G Range
By Shadowself on 5/13/2013 10:55:20 AM , Rating: 3
I'm more concerned about atmospherics at that frequency. Water vapor, oxygen and rain absorption at 28 GHz is on the order of 300 times greater than at 1.6 GHz according to the ITU RF atmospherics model. This can severely limit ranges. "Damn, it's raining outside and my cell phone has dropped back to 4G!" (Most current cell phones run in the 0.8 to 1.9 GHz range. The 5-6 GHz range [an "unlicensed band"] is typically used for shorter range communications such as WiFi.)

Besides -- LTE-A is supposed to give up to 1 Gbps with only a 4x4 MIMO configuration. The 64 antennas used in this test are not required. And the OFDM nature of LTE-A mitigates most multi-path effects.

And LTE-A is set to be deployed by many major carriers in late 2013 and 2014 (with a few scattered deployments already). I'd expect that a slow evolution and fine tuning of LTE-A in the six years between 2014 and 2020 will make it a viable alternative to this "5G" implementation. But, maybe, they'll get this evolved too and by 2020 or so it may be doing 2+ Gbps in decent frequencies and decent ranges thus surpassing LTE-A.

RE: 5G Range
By HueyD on 5/13/2013 12:17:14 PM , Rating: 2
You would need a repeater about every 1/4 mile. Rain fade, fog, snow... would be terrible.

RE: 5G Range
By Shadowself on 5/13/2013 1:06:02 PM , Rating: 2
While rain and fog (condensed water vapor) are issues, strangely, snow (water crystals) are not. Unless the snowstorm turns into a full blown, driving blizzard falling snow is pretty much irrelevant to RF transmissions.

RE: 5G Range
By BWAnaheim on 5/13/2013 4:05:31 PM , Rating: 2
The biggest problem is not the cost of the equipment with having to install so many repeaters/sites. The big issue is the cost to acquire and permit so many sites. At 28GHz, the communities will become even more suspect of RF Exposure, and I suspect that site deployments will only become more difficult. The "Not In My Backyard" (or on the side of my building) will dominate build-outs.

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