Optical fiber is the favored transmission medium for applications that involve high bandwidth and require long distance transmission (up to 80km) with complete immunity to electrical interference. These factors make it ideal for 3G/4G/LTE/ (Wimax, Femtocell) systems.

Fiber optic technology is used for connecting multiple base stations in 3G/4G/LTE systems. As the speed of supercomputing clusters continues to accelerate, the cloud computing and data center markets demand higher speed interconnections to support the increasing bandwidth needs. High bandwidth provided by optical fibers guarantees a service-level agreement (SLA) for delivering quality mobile broadband services. With the implementation of 3G/4G/LTE (Wimax, Femtocell) networks, end users can enjoy mobile broadband, HD (High Definition) TV and other cloud computing services through cell phones, tablets, and ultra notebooks.

Implementation of LTE has caused a shift from circuit-based to packet-based switching. This has driven the growing use of IP/MPLS-based routers and switches rather than TDM or ATM-based systems at cell sites and aggregation centers. It has also increased demand for data transport systems with higher packet transport capabilities utilizing 10G/25G/100G optical transceivers.

The densification of small cells has also grown for existing 3G and 4G needs, causing a great proliferation of optical fiber and connection points along these networks.

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