![]() The idea was to use new multi-mode network infrastructure that could handle all three different network technologies. ![]() Initially, Sprint announced that Network Vision would just be a replacement of the separate infrastructures for the 2G (iDEN), 3G (CDMA2000), and 4G (WiMAX) networks. The announcement of Network Vision came shortly after Verizon Wireless launched its 4G LTE network in October 2010. In December 2010, Sprint announced that it had begun a radical new project to rebuild its entire network, called Network Vision. Since 2008, Sprint has consistently made known its desire to simplify its network architecture and offer a unified platform that is cheaper to maintain and offers the same quality of service that Sprint has always offered. Never mind that if Clearwire and Sprint had not deployed WiMAX, then Clearwire would have lost the licenses to the TDD 2.5GHz spectrum that WiMAX resides on due to the build-out requirements described in the licenses. ![]() Finally, nearly everyone has ragged on Sprint for its choice in using Clearwire’s WiMAX for its 4G platform after Verizon Wireless and AT&T announced that they would use LTE back in 2008. Analysts and various stakeholders in Sprint-Nextel have been pressuring the company to eliminate the Nextel iDEN platform and migrate subscribers to the Sprint CDMA platform after badly managing the integration of the Nextel platform following the merger in 2005. Network performance on the CDMA side has been consistently falling over the last two years. Over the last two years, Sprint has suffered considerably over the maintenance of its iDEN, CDMA2000, and WiMAX networks.
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