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Enhanced Position Location Reporting System used ____ communication network.

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Enhanced Position Location Reporting System used ____ communication network.

(a) OFDMA

(b) FDMA

(c) CDMA

(d) TDMA

This question was addressed to me during an interview for a job.

The above asked question is from Aware Radios in section Cognitive Radio Basics of Cognitive Radio

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The correct option is (d) TDMA

The best I can explain: Enhanced Position Location Reporting System operates in the ultra-high frequency band. It uses frequency hopping, spread spectrum waveform. The two main functions of EPLRS is data distribution and position location and reporting.

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