Title :
Multi-user capabilities of UWBFM communications systems
Author :
Gerrits, John F M ; Farserotu, John R. ; Long, John R.
Author_Institution :
Centre Suisse d´´Electronique et de Microtechnique SA, Neuchatel, Switzerland
Abstract :
This paper analyzes the multi-user capabilities of UWBFM communications systems. Multiple users operating at the same RF center frequency will be confronted with multiple-access interference that will ultimately limit the performance. Two particular cases are investigated: two users of different power and N users of equal power. Expressions are given for the receiver processing gain, the subcarrier SNR in the two-user case as well as the maximum number of equal power users and the capacity of the multi-user UWBFM communications system.
Keywords :
frequency division multiple access; radiofrequency interference; ultra wideband communication; FDMA; RF center frequency; UWBFM communications systems; multiple-access interference; multiuser capabilities; receiver processing gain; subcarrier SNR; Delay lines; Demodulation; Frequency division multiaccess; Frequency modulation; Frequency shift keying; Multiple access interference; Personal area networks; Radio frequency; Transmitters; Wideband; FDMA; FM; UWB; interference, capacity; multiple-access; subcarrier;
Conference_Titel :
Ultra-Wideband, 2005. ICU 2005. 2005 IEEE International Conference on
Print_ISBN :
0-7803-9397-X
DOI :
10.1109/ICU.2005.1570071
