As an annual conference, CSQRWC offers an active forum for exchanging creative ideas and experiences of the latest developments, designs in the areas of Radio Science and Wireless Technology for professors, researchers, engineers and students from Cross Strait Quad-Regions of China and all over the world. The CSQRWC 2013 will be held in Chengdu, the western center city. Authors are invited to submit papers on and not limited to the following topics. 1. Electromagnetic Field Theory 2. Computational Electromagnetism 3. Electromagnetic Property of Materials 4. Antennas and Arrays 5. Ultra Wideband Systems 6. Microwave / Millimeter Circuits and Components 7. EMI/EMC Techniques 8. Propagation and Scattering 9. Software Defined Radio 10. RFID Systems 11. Microwave Remote Sensing 12. Imaging and Inversion 13. Radar Techniques 14. Nano-Electromagnetism 15. Photonics 16. Terahertz Techniques 17. Ad-hoc Network 18. Sensor Networks 19. Wireless and Mobile Systems 20. Instrumentation and Measurement 21. Others