AT&T’s Internal Plans To Fix Their Network

AT&T was cry me to rig up an interview with their CTO , but all I could try was illogical stochasticity on my AT&T iPhone . “ I ca n’t really learn you ! ” I yell , as if book would empty the channel . It ’s always been like this , in my home in San Francisco . While the howls of iPhone 3 GB response issues get louder and louder , I ’ve always wondered if it was the internet ’s mistake , as some Swedish scientists and journalistshave of late suggest . Maybe it ’s just new AT&T client making the bulk of the noise . From my experience , the phone is n’t blameless , but the internet is a major part of the issue . Continuing the call on an country cable , I said I ’d be beaming to meet with John Donovan . To be perfectly reliable , on a sure level , I did n’t really desire to ask doubt . All I wanted to do was get the cat in front of me and berate him for his internet ’s interpreter lineament and reception , comparatively slow 3 G rollout and coverage . AT&T ’s been last in all those metrics for years ( grant toJD Powers ) and they were still raking in the bucks as the nation ’s large carrier . But after assemble him , I ’m certain John Donovan has the intent the Old AT&T did n’t . And a detailed design on how to make “ More Bars in More Places ” less like a joke and more like a hope . In fact , Donovan surprised me when he said , “ We want to be number one in all those metric unit ” — That ’s a lot of large talk when I ca n’t even make a call from my own house justly now . Here ’s the outline of the program , which Donovan provided later — as well as some consecutive talk from an AT&T engineer on whether or not the plans will lick .

•Cell site splitting . We ’re deploy about 1,500 new cell sites this year . This heighten divine service quality in two way – we ’re expanding the geographical reach of the internet , and in some topographic point , we ’re adding prison cell sites in subsist territory to better coverage and content . •We monitor the usage for both data and voice on each and every cellular phone site sector , combine that with our forecasts and client feedback to target specific locations where we need to augment capacity via further cell splits . •TDMA turndown . originally this year we turned down our TDMA / Analog net . That allowed us to free up key spectrum to redeploy into the UMTS / HSPA meshing . Not only does that give us the opportunity to increase overall capacity on UMTS / HSPA , it enables us to deploy UMTS / HSPA at 850 Mhz ( vs 1900 Mhz ) . This 850 spectrum provide optimal in - building coverage . We ’re in the thick of turning up this spectrum on the UMTS - HSPA internet across the rural area . •Short measurement musical interval . We ’re deploy capabilities to measure mesh performance in much shorter intervals . This capableness will be especially important to maximise service quality during major events . For example , during a Final Four or World Series game , traffic on the web will impale during time outs , or when a great period of play , high-risk call , or something else big happens . In normal portion , we might measure traffic and carrying into action a few times per hour , but in these situations , we ’ll supervise every few minute to ensure maximum carrying into action during the ear that occur in real sentence . •Wireless backhaul . We ’re leverage our U - verse and metro Ethernet fiber deployment to raise wireless backhaul connection in many areas . We ’re move more and more of our wireless backhaul onto the 40 Gbps AT&T backbone internet . So … the investing we ’re make to maximise inspection and repair quality on the wired side also gain our wireless customers . •Drive examination . AT&T technicians and other third - company marketer will drive - test its meshing nearly 30 million miles in the next year to improve the web ’s reportage and character . •Hundreds of technician from third - party examination company , infrastructure vendors and AT&T technician use specially design vehicle to travel throughout the country and quiz the signaling strength and coverage of AT&T ’s ALLOVER web . •Along with drive - testing its own net , AT&T drive - test rival ’ networks to ensure that its insurance coverage and timber are equal to or good than other caller provide service in the area . •The drive - test result aid to prioritise where the company commit in raw cell sites and equipment that enhance the mesh quality and coverage .

While a great mass of the written document above is clean obvious , there are many barrier to executing the programme and ameliorate the web . Donovan ’s interview reveal some details of the plan above , but some engineers within the ranks founder me a great pot of insight , too . A turgid part of the problem , Donovan said , is that people would kick , and yet , by all of their measurements , the substance abuser should have had full legal community in the place and at the time they cover the poor insurance coverage . Hence the demand for safe tools and more frequent sampling , alternatively of several times per time of day , they ’d do it every few minutes during engorged period . A great wad of that examination is done using connection tools , but drive examination will help , and AT&T also tests their competitors ’ connection for comparison . bestow more tower in a place is not childlike . It ’s a local affair , requiring navigation of local building codes and politics . Somewhere like SF makes that hard , but the hilly terrain would n’t help the situation either . And while 30 million mi of drive sound like a near idea , the engineers I talked to take a firm stand that drive examination is really just a last hitch once you ’ve got enough tugboat in place . “ salve the money on cause examination and build site or improve sites we already have … [by ] buy t-1s to increase mental ability . ” He also notice that adding 1500 towers alone is n’t enough to solvethe problem . call on down analogue web sounds like a winning strategy , as long as you do n’t bear in mind nanna ’s cell call quality being degraded . The activation of the 850MHz band will also enable better indoor reception , which is going to be vital in expanding data / voice quality as drug user counts go up . Donovan also say that they ’d agitate their storage allocation of bandwidth towards data point from voice , which make sense . Analog aside , the boundary bequest is taking up resources on the towboat which are shared with 3G. As one of the engineers read , having UMTS and GSM use the same antenna causes “ interference and performance . It ’s like putting a splitter on a garden hosepipe the flow is still there but intensity is cut in half on each side . ” ( This is where Verizon and Sprint have an reward . ) And asWired has realize , 3 G range being more limited , AT&T ca n’t really blanket a city by using the same tower locating as their EDGE counterparts . But my applied scientist ally also said , “ We went from 2.5 g experts to 3 g novices . ” They do n’t have the breeding or experience to find or fix issues as well as they do on EDGE networks . Many in the subject field are also lacking the expensive examination gear mechanism for UMTS to retrieve high-risk channels and interference . Why did n’t AT&T make these investment funds in the first shoes , while Starbucks and T - Mobile work on Wi - Fi hotspots and Sprint / Verizon went 3 G ahead of the curve ? Money . And while AT&T ’s financially conservative strategies in the past have modified enlargement , there ’s no reason they could n’t also do so in the future tense . I asked Donovan if caution was the overriding scheme behind hold back to match Sprint ’s initial 3 G rollout , he replied , “ I ’d like to say we ’re deliberate . ” He added that initially meeting the voice quality and data rates of Sprint ’s 3 G web would have been both technically and financially impossible , despite the client welfare . ( One only needs to look at Sprint ’s fiscal failing now to appreciate the wisdom of his spot . ) He also pointed out that by waiting , they got to leapfrog the limitation of Sprint ’s EVDO networks , referring to the elongated information rates their meshing will eventually run at , at a better value . “ The most astute thing you’re able to do is be as late as possible and as fast as possible . Because it ’s go to be you more if you do it too early , and if you do it too late , you do n’t get the features you want . ” When AT&T ’s LTE networks do make the leap past Sprint , from 1.7Mbit to 7Mbit to 11Mbit to 20Mbit , their bottleful neck opening will move to their backend infrastructure . To counteract that , they ’ll depend on their panoptic wired and fiber backhauls the company has . But , in areas where the telco is have by AT&T , AT&T wireless still has to buy lines from themselves and the budget is n’t there . According to at least one engineer , “ We still operate on at the airfield as two completely unlike company . While at the top they see “ ONE ” we see many . ” Will AT&T come after at having the best call quality , coverage and reception ? Who knows . But at least here , we have their plans on record and can hold them to the goal . After all , they ’re the big carrier — they ’ve get a responsibility to all of us to make their mesh the best , no matter what the price . I just want to be able to get a line the other person on the remnant of the line .

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