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Practical capacity calculation for time-hopping ultra-wide band multiple-access communications

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2 Author(s)
A. Adinoyi ; Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada ; H. Yanikomeroglu

In this letter the practical capacity, known as the cutoff rate, of time-hopping (TH) ultra-wide band (UWB) communication system is evaluated for multiple-access channels. The cutoff rate can be used for determining various system tradeoffs. For instance, it is shown in this letter that if synchronization problems would preclude high spreading factors, a suitable number of hops can be used instead to achieve the same performance. Moreover, it is demonstrated that the cutoff rate evaluated here can be a fast way of gaining insights into the multiuser capacity of TH-PPM UWB systems.

Published in:

IEEE Communications Letters  (Volume:9 ,  Issue: 7 )