bigsnake49
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Everything posted by bigsnake49
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Let me reiterate my disbelief that T-Mobile had 51,000 macro sites before the merger. They were always 1-2,000 sites behind Sprint. I am not convinced. I will find the truth even if it kills me or I have to use the wayback machine. The way that the confusion may arise is that T-Mobile might have 37,000 HSPA+ sites and about 14,000 GSM sites, but they are colocated. They might even have legacy basestations. They might have 51,000 leases. That's exclusive of Metro. It's not just me that has doubts. AJ, our local guru, is also incredulous and we have been around for awhile.
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Sprint TD-LTE 2500/2600mhz Discussion
bigsnake49 replied to IamMrFamous07's topic in Network, Network Vision/LTE Deployment
Well, no matter whether you unity or non-unity frequency reuse, you will have reduced performance at cell edge. All thse methods are used so that your throughput incereases vs not having them. -
Sprint TD-LTE 2500/2600mhz Discussion
bigsnake49 replied to IamMrFamous07's topic in Network, Network Vision/LTE Deployment
There are lot of techniques to improve cell edge performance. Interference cancellation, subcarrier coordination between sites, etc. I don't remember how many of these LTE employs. -
Sprint TD-LTE 2500/2600mhz Discussion
bigsnake49 replied to IamMrFamous07's topic in Network, Network Vision/LTE Deployment
Yes, non-unity frequency reuse allows you to not have to worry about cell edge performance. You basically don't have to tune the network if you're using 10MHz sector channels and 30MHz per site. -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
No, Dish wanted Sprint to host their spectrum but wanted it done under their terms, which is they would repay Sprint with capacity on Dish's hosted spectrum. Sprint wanted to get paid up front and then have an option to purchase capacity. -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
Well, if they can get some money out of them, who cares? When you don't need the spectrum and you're paying good money for those leases, you might swallow those feelings. -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
Neither. I guess Dish can scoop up USCC, Leap and CSpire as well as some real small rural carriers and try to piece a network together. They can use white spaces spectrum to provide fixed broadband to rural and exurban customers, although I don't see why Sprint won't sell them spectrum in the EBS band in those same rural and exurban areas. -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
So you're slightly FDD dyslexic . -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
Yeah you have the AWS links reversed. -
Grubman: Dish/Sprint Numbers Don’t Add Up to Shareholder Value
bigsnake49 replied to kckid's topic in General Topics
I personally think that they would have absolutely no problems gobbling up the spectrum. They might be the only ones in the running. -
Verizon to start refarming PCS spectrum for LTE in 2015
bigsnake49 replied to ericdabbs's topic in General Topics
That's probably when I expect Sprint to start refarming their PCS A-F holdings. -
Yes, absolutely, once they can move pretty much all the data from EVDO to LTE. It is not as pressing of a matter now since they can deploy LTE on 800MHz and 2500MHz, but very soon Sprint's PCS A-F bands will only hosting 1 1xAdvanced and one EVDO channel for legacy reasons. Once voice gets moved to VOLTE and M2M contracts expire, then of course they will totally devote all PCS holdings to LTE.
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I need to see a historical accounting of the number of T-Mobile sites. There's some creative accounting going on. Is T-Mobile counting in-building repeaters as sites? Because nobody else does. For example at couple of my consulting sites, Verizon, AT&T ans Sprint all have repeaters in each floor of the building. That does not count as a site. May they're counting DAS as sites?
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"It expects the two vendors to install equipment in all the 37,000 cell towers in its network for its upgrade to a faster-speed wireless data service." http://www.huffingtonpost.com/2012/05/08/t-mobile-network-upgrade_n_1498501.html
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Kevin Fitchard came up with that number and has been quotes by other websites giving credit to Gigaom. Everybody else quotes 37,000 which lines up with what I remember. The agreement with SBA followed a deal announced in late July with Crown Castle extending current leases on 7,300 Crown Castle sites for 10 years and granting T-Mobile rights to upgrade certain towers to go along with the carrier’s network upgrade plan. Crown Castle noted the agreement will result in an increase in site revenue beginning during the current third quarter. T-Mobile USA currently runs its network across some 37,000 cell sites. http://www.rcrwireless.com/article/20120917/tower/sba-signs-tower-extension-t-mobile-usa/
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There's a lot of confusion, but pre-merger T-Mobile had approximately 37,000 sites. MetroPCS had 11,000 plus 6000 DAS. so together they have 49,000. Now from the articles it seems that they will deactivate 10,000 of the 11,000 macro sites Leaving them wih 38,000 macro sites plus 6,000 DAS.
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T-Mobile CTO Neville Ray continues his rounds of discussion in New Orleans as CTIA continues, this time with a comment to Reuters on T-Mobile’s purported tower sale. T-Mobile has previously said it would explore the sale of 7,000 of 37,000 wireless towers to gain some financial independence from parent Deutsche Telekom. http://www.tmonews.com/2012/05/t-mobile-cto-neville-ray-says-tower-sale-could-take-months/
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I thought EIRP is limited to 300mW, which is OK unless you're talking about real rural, but then something tells me that the inteference from other mobiles will be non-existent. The only thing that had me slightly concerned was the OOBE emmisions on the high end of the uplink (1915-1920MHz). But there is the 10MHz UPCS band between 1920-1930MHz which means the filters don't have to be as sharp as if there was no buffer. Plus the filters keep getting better.
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"While MetroPCS's CDMA network will be shut down by the end of 2015 - T-Mobile is turning off 10,000 of MetroPCS's 11,000 cell sites - the brand will continue, and T-Mobile will migrate customers to less expensive and more capable GSM/HSPA+ phones, Legere said...." http://www.pcmag.com/article2/0,2817,2412948,00.asp
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They had 35-36,000 of their own sites the rest of the 51,000 are MetroPCS sites. They don't need to upgrade the MetroPCS sites since those will be shutdown.
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Throughput of different bands
bigsnake49 replied to jawknee530's topic in Network, Network Vision/LTE Deployment
In single antenna situations you are right. However higher frequencies can accomodate higher order MIMO that lower frequencies. 4x4 MIMO might not be possible at 700MHz but it is definitely possible at 2.5Ghz. Actually 8x4 is possible at 2.5GHz.