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Multiple-Access Interference Suppression for OFDM Systems

Summary

Researchers at Purdue University have developed a method to change the historical disadvantages of the Doppler Shifts into benefits. This method exploits Doppler Shifts caused by motion, which ultimately allows more information to be conveyed in a communication network. This performance increase is achieved by adding only a very small amount of structure to transmitted signals. This method applies to wireless multiple access systems.

Technology Benefits

Exploits Doppler effects to improve the performance of communication systemsLow-cost implementation Remarkable gains in signal to noise ratio are possibleAllows Doppler to be used as an extra dimension in a system for differentiation of signals

Technology Application

Signal ProcessingTelecommunications

Detailed Technology Description

James LehnertPurdue Electrical and Computer Engineering

Countries

United States

Application No.

7,751,509

Country/Region

USA

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