**Author details**

Ichihiko Toyoda Saga University, Saga, Japan

\*Address all correspondence to: toyoda@cc.saga-u.ac.jp

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

**67**

*Polarization Modulation*

[1] Gao S, Sambell A, Zhong

2006;**48**:28-37. DOI: 10.1109/

[2] Haupt RL, Lanagan M. Reconfigurable antennas. IEEE Antennas and Propagation Magazine.

2013;**55**:49-61. DOI: 10.1109/

10.1109/TAP.2012.2207676

APMC.2012.6421743

10.1109/APS.2012.6348662

4A2-3; October. 2012

1998;**46**:1891-1900. DOI: 10.1109/22.734506

[3] Ushijima Y, Nishiyama E, Aikawa M. Single-layer extensible microstrip array antenna integrating SPDT switch circuit for linear polarization switching. IEEE Transactions on Antennas and Propagation. 2012;**60**:5447-5450. DOI:

[4] Ushijima Y, Nishiyama E, Aikawa M, Toyoda I. Orthogonal linear polarization switchable slot-ring array antenna using RF-MEMS switch. In: Proceedings of 2012 Asia-Pacific Microwave Conference (APMC2012); 3D5-03:809- 811; December. 2012. DOI: 10.1109/

[5] Ushijima Y, Nishiyama E, Toyoda I, Aikawa M. Circular polarization switchable single layer microstrip array antenna. In: Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation (2012 AP-S/ USNC-URSI); 409.04; July. 2012. DOI:

[6] Ushijima Y, Nishiyama E, Toyoda I. Polarization agile slot-ring array antenna using magic-T circuit. In: Proceedings of 2012 International Symposium on Antennas and Propagation (ISAP2012);

[7] Qian Y, Itoh T. Progress in active integrated antennas and their applications. IEEE Transactions on Microwave Theory and Techniques.

MAP.2006.1703396

MAP.2013.6474484

**References**

*DOI: http://dx.doi.org/10.5772/intechopen.87985*

SS. Polarization-agile antennas. IEEE Antennas and Propagation Magazine. [8] Chang K, York RA, Hall PS, Itoh T. Active integrated antennas. IEEE Transactions on Microwave Theory and Techniques. 2002;**50**:937-944. DOI:

[9] Toyoda I, Furukawa Y, Nishiyama E, Tanaka T, Aikawa M. Polarization agile self-oscillating active integrated antenna for spatial modulation wireless communications. Electronics and Communications in Japan. 2018;**101**:37-

[10] Hasan M, Ushiroda H, Nishiyama E, Toyoda I. A polarization switchable active array antenna integrating a multiport oscillator and PSK modulators. In: Proceedings of 2018 Asia-Pacific Microwave Conference (APMC2018); FR3-B1-2:1253-1255; November. 2018. DOI: 10.23919/

10.1109/22.989976

44. DOI: 10.1002/ecj.12123

APMC.2018.8617433

PIERC12080705

PIERC12032402

[11] Hossain MA, Nishiyama E, Aikawa M, Toyoda I. Multi-band orthogonal linear polarization discrimination planar array antenna. Progress in Electromagnetics Research

C. 2013;**34**:53-67. DOI: 10.2528/

[12] Hossain MA, Ushijima Y, Nishiyama E, Toyoda I, Aikawa M. Orthogonal circular polarization detection patch array antenna using double balanced RF multiplier. Progress in Electromagnetic Research C. 2012;**30**:65-80. DOI: 10.2528/
