There has been much discussion lately about spectrum limitations in light of the market’s ever-increasing appetite for mobile data services. As we look ahead to fourth generation technologies, we recognize that asymmetrical duplexing associated with TDD (Time Division Duplex) will yield some efficiencies over the inherent symmetry of FDD (Frequency Division Duplex). TDD has the additional advantage of being unpaired from an RF channel perspective — allowing for more spectrum allocation flexibility for fourth generation technologies.

LTE’s TDD specification known as TD-LTE is gaining momentum in light of these advantages. Inthis article, from Fierce Broadband Wireless, Monica Paulini gives us a superb snapshot of the current state of 4G technologies, and what the future likely holds in light of where we are today. She views TD-LTE as “disruptive”.

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