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#21
posted to rec.boats
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For the 4G dummies!!
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#22
posted to rec.boats
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For the 4G dummies!!
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#24
posted to rec.boats
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For the 4G dummies!!
On 9/23/2012 11:36 AM, wrote:
On Sun, 23 Sep 2012 11:19:36 -0400, iBoaterer wrote: In article , says... On Sunday, September 23, 2012 10:34:26 AM UTC-4, iBoaterer wrote: It's the multipath that will get you service without line of sight. Multipath in the RF world is, by definition, a bad thing. It is not desirable, as it can destroy your signal. "As seen below, the spread spectrum radio technology used in 3G systems, is abandoned in all 4G candidate systems and replaced by OFDMA multi-carrier transmission and other frequency-domain equalization (FDE) schemes, making it possible to transfer very high bit rates *despite extensive multi-path radio propagation (echoes)*. The peak bit rate is further improved by smart antenna arrays for multiple-input multiple-output (MIMO) communications." "despite extensive multi-path radio propagation" They take measures to insure multipath doesn't screw up 4G. Every time you try to post about something technical, you get bitch-slapped. You should stick to something you know, like... umm. Nevermind. Bull****. Here, moron: "The results of outdoor experiments and computer simulations confirm that no serious multipath degradation occurs in a service area with a radius of a few hundred- meters and that the application of multi-hop transmission technology can drastically improve the frame success rate, which effectively avoids the degraded radio link by multipath." In the mountains, you need LOS. Walking 50 feet can be the difference between no bars and a full house. He is a narrow flatlander... He doesn't understand that the whole country is not like his area.. |
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#25
posted to rec.boats
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For the 4G dummies!!
In article ,
says... On Sunday, September 23, 2012 11:19:38 AM UTC-4, iBoaterer wrote: In article , says... On Sunday, September 23, 2012 10:34:26 AM UTC-4, iBoaterer wrote: It's the multipath that will get you service without line of sight. Multipath in the RF world is, by definition, a bad thing. It is not desirable, as it can destroy your signal. "As seen below, the spread spectrum radio technology used in 3G systems, is abandoned in all 4G candidate systems and replaced by OFDMA multi-carrier transmission and other frequency-domain equalization (FDE) schemes, making it possible to transfer very high bit rates *despite extensive multi-path radio propagation (echoes)*. The peak bit rate is further improved by smart antenna arrays for multiple-input multiple-output (MIMO) communications." "despite extensive multi-path radio propagation" They take measures to insure multipath doesn't screw up 4G. Every time you try to post about something technical, you get bitch-slapped. You should stick to something you know, like... umm. Nevermind. Bull****. Here, moron: "The results of outdoor experiments and computer simulations confirm that no serious multipath degradation occurs in a service area with a radius of a few hundred- meters and that the application of multi-hop transmission technology can drastically improve the frame success rate, which effectively avoids the degraded radio link by multipath." So their experiments and simulation show that the measures they took ("multi-hop transmission technology") were effective in avoiding "degraded radio link by multipath". Thanks for proving my point! If that's what you think you are a fool. |
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#26
posted to rec.boats
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For the 4G dummies!!
In article , says...
On 9/23/2012 11:36 AM, wrote: On Sun, 23 Sep 2012 11:19:36 -0400, iBoaterer wrote: In article , says... On Sunday, September 23, 2012 10:34:26 AM UTC-4, iBoaterer wrote: It's the multipath that will get you service without line of sight. Multipath in the RF world is, by definition, a bad thing. It is not desirable, as it can destroy your signal. "As seen below, the spread spectrum radio technology used in 3G systems, is abandoned in all 4G candidate systems and replaced by OFDMA multi-carrier transmission and other frequency-domain equalization (FDE) schemes, making it possible to transfer very high bit rates *despite extensive multi-path radio propagation (echoes)*. The peak bit rate is further improved by smart antenna arrays for multiple-input multiple-output (MIMO) communications." "despite extensive multi-path radio propagation" They take measures to insure multipath doesn't screw up 4G. Every time you try to post about something technical, you get bitch-slapped. You should stick to something you know, like... umm. Nevermind. Bull****. Here, moron: "The results of outdoor experiments and computer simulations confirm that no serious multipath degradation occurs in a service area with a radius of a few hundred- meters and that the application of multi-hop transmission technology can drastically improve the frame success rate, which effectively avoids the degraded radio link by multipath." In the mountains, you need LOS. Walking 50 feet can be the difference between no bars and a full house. He is a narrow flatlander... He doesn't understand that the whole country is not like his area.. What a moron. |
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