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Through the use of multiple antenna technologies and orthogonal-frequency-division multiplexing, fourth generation wireless technologies such as Long-Term Evolution (LTE), WiMAX, and Super3G will offer much greater capacity to mobile customers. However, what represents a tremendous opportunity for mobile customers for faster downloads, video at higher frames rates and resolution, and streaming audio, also poses challenges to the CAPEX structure for the mobile operator, particularly in the fibre optic transport to their radio heads.
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