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Figure 8 | EURASIP Journal on Wireless Communications and Networking

Figure 8

From: A robust beamformer design for underlay cognitive radio networks using worst case optimization

Figure 8

Gain pattern comparison. Gain pattern comparison for robust and non-robust beamforming designs. Network with parameters n t = 10,N = 1 and K = 3. Antennas lie in a linear array λ/2 apart, centered at a transmitter and along the direction θ = 0°. Vertical dotted lines represent the directional location of the receivers (secondary receiver θ = 45°, primary receivers θ = 60°, 90°, 120°).

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