By M. Khatib
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Additional resources for Advanced Trends in Wireless Communications
1999). Fig. 1. 2 Channel measurement and characterization The study of wave propagation appears as an important task when developing a wireless system. The purpose of this chapter is to highlight different aspects concerning the wireless propagation channel at 60 GHz system (G. El Zein, 2009). In indoor environments, the radio propagation of electromagnetic waves between the transmitter (Tx) and the receiver (Rx), is characterized by the presence of multipath due to various phenomena such as reflection, refraction, scattering, and diffraction.
Constantinou (2004). Indoor Channel Measurements and Characterization at 60 GHz for Wireless Local Area Network Applications, IEEE Transactions on Antennas and Propagation, Vol. 52, No. 12: 3180–3189. R. Tahri, D. Fournier, S. Collonge, G. Zaharia and G. El Zein (2005). Efficient and fast gaussian beam-tracking approach for indoor-propagation modeling, Microwave and Optical Technology Letters, Vol. 45, No. 5: 378-381. S. Kato, H. Harada, R. Funada, T. Baykas, C. Sean Sum, J. Wang and M. A. Rahman (2009).
83 GHz and a band-pass filter (59-61 GHz). 83 GHz PLO with the same 70 MHz reference and a frequency tripler. 83 GHz PLO signal is about –110 dBc/Hz at 10 kHz off carrier. The BPF prevents the spill-over into adjacent channels and removes out-of-band spurious signals caused by the modulator operation. 4 dBi and a half power beamwidth (HPBW) of 10°V and 12°H. 300 m optical fibre Laser diode Photoreceiver Fig. 11. 2 Receiver design The receive antenna, identical to the transmit horn antenna, is connected to a band-pass filter (59-61 GHz).
Advanced Trends in Wireless Communications by M. Khatib