MM-wave long-range wireless systems
- 2 May 2009
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Microwave Magazine
- Vol. 10 (2) , 68-76
- https://doi.org/10.1109/mmm.2008.931668
Abstract
Emerging technologies for long-range broadband wireless link systems were introduced. The common problem presented is how to construct a 10-Gb/s modem block with better performance at low cost. A single-carrier system with a simple modulation technique has the advantages of low cost and fast deployment. However, the drawback is poor spectral efficiency. A system using multiple carriers enables higher-order modulation; nevertheless, the hardware is presently very expensive. We described the circuit design and performance of ICs and their waveguide modules for 120-GHz, 10-Gb/s broadband wireless link systems. The demonstration results indicate that the IC modules using InP HEMTs enable us to construct viable 120-GHz millimeter-wave wireless link systems.Keywords
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