Title :
On the availability of CDMA channels for secondary users
Author :
Fratu, O. ; Halunga, S. ; Perju, C. ; Martian, Alexandra ; Marcu, I.M.
Author_Institution :
Telecommun. Dept., Univ. POLITEHNIC A of Bucharest, Bucharest, Romania
Abstract :
The present paper is analysing the occupancy of the radio spectrum for some typical CDMA communications systems. The paper presents also an analysis of how the available channel are used by the communications system and especially of how other available channels could be detected. As example, the paper presents also how the IMT-2000 uplink bands can be better loaded.
Keywords :
code division multiple access; telecommunication channels; telecommunication network reliability; CDMA channel availability; CDMA communications systems; IMT-2000 uplink bands; secondary users; CDMA; UMTS; channel capacity; opportunis tic channels; spectrum usage;
Conference_Titel :
Applied Sciences in Biomedical and Communication Technologies (ISABEL), 2010 3rd International Symposium on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-8131-6
DOI :
10.1109/ISABEL.2010.5702775