The battle for 4G supremacy is now down to two technologies. After floundering, Qualcomm (NSDQ: QCOM) has officially abandoned the development of its own flavor of next-generation cellular technology, Ultra Mobile Broadband, Reuters reports. That leaves LTE and WiMAX as the only remaining competitors for 4G network technology. Qualcomm is planning to put its 4G resources into a rival technology, Long Term Evolution, which has earned the interest of most carriers and infrastructure vendors around the globe.
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