Multipath Propagation in Wireless Radio Communications Using a Phase Retrodirective Antennna

Category: Engineering and Physical Sciences

Reference Number: 00358

Description

Multipath propagation is used to form a wireless radio communication channel. A key component in the method is the use of a retrodicrective antenna as one of the antennas. The other antenna, in this point-to-point communication system, is a wide beam receiving and transmitting antenna. Because of the conjugate phase properties of the retrodirective antenna, the returning multipath signals do ad up coherently or constructively at the receiving wide beam antenna.

Applications

• More predictable and reliable communication channel
• More immune and automatically adaptive to changes in the communications environment

Main Advantages

• Better signal-to-noise ratio
• Needs less transmitted power

Inventor(s)

Jussi Tuovinen
William Forsyth
Wayne Shiroma

Department of Electical Engineering

Contact Information

For licensing information, please contact Dick Cox at rcox@hawaii.edu

For all other inquiries, please write to:

Office of Technology Transfer & Economic Development
University of Hawai’i
2800 Woodlawn Drive, Suite 280
Honolulu, HI 96822