This paper outlines the design of an experimental indoor broadband radio system at 29 GHz. Based on this design, the availability of this system is presented for various cell sizes and transmitted power values. The system has a maximum information bit rate of 155 Mb/sec and a maximum receiver noise figure of 8 dB. Channel measurements and modeling which were performed during an earlier stage of the project provided some of the parameters for the design of the system. These include distance-power law exponents and received fading envelope statistics. The design of the link is based on a quadrature up/down converter configuration. Both the transmitting and receiving parts have one front-end RF stage at 29 GHz and one IF stage at 2.5 GHz. Several different scenarios with different antenna types and orientations are considered taking into account experimentally determined channel characteristics such as received signal power distributions and large scale attenuation losses. The link design and the calculated availability figures demonstrate that reliable indoor portable radio systems can accommodate microcells of radius up to 50 m.

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Conference Proceedings of the 1994 3rd Annual International Conference on Universal Personal Communications
Citation
Kalivas, G., El-Tanany, M, & Mahmoud, S. (1994). Design of a radio link for indoor wireless communications at 29 GHz. Presented at the Proceedings of the 1994 3rd Annual International Conference on Universal Personal Communications.