- Tytuł:
- Theoretical Investigation of Different Diversity Combining Techniques in Cognitive Radio
- Autorzy:
-
Agarwal, R.
Srivastava, N.
Katiyar, H. - Powiązania:
- https://bibliotekanauki.pl/articles/309425.pdf
- Data publikacji:
- 2018
- Wydawca:
- Instytut Łączności - Państwowy Instytut Badawczy
- Tematy:
-
cognitive radio
complementary ROC
post examining selection
probability of detection
probability of false alarm
switch combining
examine combining - Opis:
- In this paper, the performance of an energy detector in cognitive radio, using different diversity combining techniques, is evaluated. Among many diversity combining techniques, maximal ratio combining (MRC) gives the best results but at the cost of the highest complexity. To design a simpler receiver, it is suggested to use less complex combining techniques, i.e. switched diversity, which provides one of the least complex solutions to combat fading. The paper analyzes two switched diversity schemes, switch examine combining (SEC), and switch examine combining with post examining selection (SECp). A closed form expression determining the probability of detection using MRC, SEC and SECp is derived for various numbers of branches. Detection performance with different diversity combining techniques is compared and the complexity trade-off is observed.
- Źródło:
-
Journal of Telecommunications and Information Technology; 2018, 3; 64-69
1509-4553
1899-8852 - Pojawia się w:
- Journal of Telecommunications and Information Technology
- Dostawca treści:
- Biblioteka Nauki
Artykuł