Nobody has choosen WiMAX as a 4G cellular/voice solution to my knowledge. Sprint/Clearwire (a.k.a. Clear) have only chosen to deploy WiMAX as a mobile broadband solution in their 2.5GHz holdings, which is primarily due to the Nextel merger in which Sprint is required to have a 4G mobile broadband that reaches at least 30 million people by Summer 2009 in the 2.5GHz spectrum they acquired from the merger. They haven't announced a true 4G path for CDMA yet.
Well assuming Sprint survives long enough, it's a safe bet that they are going to go LTE, as Qualcomm has shown they have no interest in continuing their UMB technology for development.
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Nobody has choosen WiMAX as a 4G cellular/voice solution to my knowledge. Sprint/Clearwire (a.k.a. Clear) have only chosen to deploy WiMAX as a mobile broadband solution in their 2.5GHz holdings, which is primarily due to the Nextel merger in which Sprint is required to have a 4G mobile broadband that reaches at least 30 million people by Summer 2009 in the 2.5GHz spectrum they acquired from the merger. They haven't announced a true 4G path for CDMA yet.
Well assuming Sprint survives long enough, it's a safe bet that they are going to go LTE, as Qualcomm has shown they have no interest in continuing their UMB technology for development.