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onboarding:introduction:introduction_to_us_carriers [2016/11/11 14:19] – edillononboarding:introduction:introduction_to_us_carriers [2021/06/25 10:09] (current) – external edit 127.0.0.1
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 +=======Introduction to US Carriers=======
  
 +Author: Sophie Renshaw
 +
 +===== Introduction =====
 +
 +Similar to Ireland and it's phone networks (Three, Vodafone, Meteor), the US also has a number of major carriers. The 5 largest US Carriers are Verizon Wireless, AT&T, T-Mobile, Sprint and U.S. Cellular.
 +
 +
 +----
 +
 +
 +===== AT&T =====
 +
 +AT&T, formerly Cingular Wireless, serves the United States, Puerto Rico and the US Virgin Islands. 
 +
 +As of Q2 2016 AT&T had 131.8 million subscribers, the seconds largest carrier, only behind Verizon Wireless.
 +
 +Cingular Wireless was founded in 2000 and in 2004 purchased AT&T Wireless Services for $41 billion, creating New Cingular Wireless Services. 
 +
 +In 2005 it was renamed to AT&T. AT&T offer a 2G/3G/4G/4G LTE network to their customers.
 +
 +Both of our major customers, Crown Castle and ExteNet, support AT&T as one of their customers.
 +
 +[[https://en.wikipedia.org/wiki/AT%26T_Mobility|AT&T]]
 +
 +{{:onboarding:introduction:att_logo.png?200|}}
 +
 +
 +----
 +
 +
 +===== Verizon Wireless =====
 +
 +Verizon Wireless is the largest wireless telecommunications provider in the United States with 141.4 million subscribers as of Q2 2016. 
 +
 +Founded in 2000 as a joint venture with Bell Atlantic and Vodafone, Verizon Communications became sole owner in 2014. 
 +
 +It operates a 4G LTE network covering 97% of the U.S. RootMetrics in 2015 ranked Verizon as the best in overall national performance, reliability, speed, and data & call performance.
 +
 +Verizon Wireless is supported by both of our major customers.
 +
 +[[https://en.wikipedia.org/wiki/Verizon_Wireless|Verizon Wireless]]
 +
 +{{:onboarding:introduction:verizon_logo.png?200|}}
 +
 +
 +----
 +
 +
 +===== T-Mobile =====
 +
 +With 67.4 million customers as of Q2 2016, T-Mobile is the United States 3rd largest Carrier. 
 +
 +Also supported by both of our customers, T-Mobile was officially founded in 2002. 
 +
 +It's network reaches 98% of American customers through a combination of it's 2G/3G/4G/4G LTE network and roaming agreements. 
 +
 +In 2013 MetroPCs, another large US carrier, merged with T-Mobile.
 +
 +[[https://en.wikipedia.org/wiki/T-Mobile_US|T-Mobile]] 
 +
 +{{:onboarding:introduction:T_Mobile_logo.png?200|}}
 +
 +
 +----
 +
 +
 +===== Sprint =====
 +
 +
 +Sprint Corporation is the 4th largest U.S. carrier with 59.5 million subscribers as of Q2 2016. 
 +
 +In 2005 Sprint Corporation merged with Nextel Communications forming Sprint Nextel Corporation. 
 +
 +Sprint provides a 3G/4G network to it's subscribers in the United States. Sprint is supported by both of our customers.
 +
 +[[https://en.wikipedia.org/wiki/Sprint_Corporation|Sprint]]
 +
 +{{:onboarding:introduction:sprint_logo.png?200|}}
 +
 +
 +----
 +
 +
 +===== U.S. Cellular =====
 +
 +U.S. Cellular is a regional carrier that is the fifth largest wireless telecommunications network in the U.S with 4.9 million customers as of Q1 2016. It was founded in 1983 as a subsidiary of Telephone and Data Systems. 
 +
 +U.S Cellular offers 3G coverage through roaming agreements with native coverage mainly in the Pacific Northwest, Midwest, parts of the East and New England. 
 +
 +They also offer 4G LTE to a number of states;  Iowa, Wisconsin, Maine, North Carolina, Texas, Oklahoma and Southern Oregon. 
 +
 +U.S Cellular is planning to launch it's first market with VoLTE in Q1 2017. 
 +
 +Only one of our customer, ExtNet, supports U.S Cellular.
 +
 +[[https://en.wikipedia.org/wiki/U.S._Cellular|U.S. Cellular]]
 +
 +{{:onboarding:introduction:us-cellular-logo.png?200|}}
 +
 +
 +----
 +
 +
 +===== Supporting Resources =====
 +[[https://en.wikipedia.org/wiki/List_of_United_States_wireless_communications_service_providers|U.S. Carriers]]
 +[[http://www.rootmetrics.com/|RootMetrics]]
 +
 +
 +----
 +
 +
 +===== Self Assessment =====
 +
 +Assess your knowledge by seeing if you can answer the following questions:
 +  - How many major carriers are there in the United States?
 +  - How many of these do both of our customers support?
 +  - Using the RootMetrics resource above, find a few cities where the Carrier with the Overall Performance is the best.
 +  - In these cities where they came out top on overall performance, was there any area (speed, reliability, call/text/data performance) where they fell down?
 +  - Using the above resources, which U.S Carrier has announced that they are currently in the process of developing a 5G network?

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