Title :
Optimum cognitive radio transmission scheme for reducing average interference power
Author :
Kim, Sang Joon ; Ghassemzadeh, Saeed S. ; Miller, Robert R. ; Tarokh, Vahid
Author_Institution :
Sch. of Engi neering & Appl. Sci., Harvard Univ., Cambridge, MA, USA
Abstract :
Reducing interference induced by secondary users is one of the most challenging problems in spectrum sharing. In this paper, we derive the optimum transmission strategy that minimizes the average interference power created by cognitive radios at a given point of space i.e. the location of a primary receiver. Surprisingly, this is not given by the water-filling solution.
Keywords :
cognitive radio; interference suppression; radio receivers; average interference power; interference reduction; optimum cognitive radio transmission; spectrum sharing; water-filling solution; Cognitive radio; FCC; Interference; Radio spectrum management; Reliability; Sensors; USA Councils; cognitive radio; interference reduction;
Conference_Titel :
Information Theory (CWIT), 2011 12th Canadian Workshop on
Conference_Location :
Kelowna, BC
Print_ISBN :
978-1-4577-0743-8
DOI :
10.1109/CWIT.2011.5872115
