Throughput Analysis of Cognitive MIMO System

Author

Huang, Hui ; Zhang, Zhaoyang ; Cheng, Peng ; Yu, Guanding ; Qiu, Peiliang

Author_Institution

Inst. of Inf. & Commun. Eng., Zhejiang Univ., Hangzhou

fYear

2007

fDate

20-21 Sept. 2007

Firstpage

45

Lastpage

49

Abstract

In this paper, we consider a simple cognitive MIMO system, in which the cognitive link communicates using two transmission antennas and one receiving antenna. In order to ensure the primary link´s transmission unaffected, the cognitive user has to detect the activity of the primary link, and transmit when it senses an idle slot. The maximum stable throughput of the cognitive link in this scenario is derived for a fixed throughput selected by the primary link. In particular, we consider two different scenarios: 1) the ideal system, which assumes that the detection is always correct; 2) the real system, in which detection error occurs due to channel fading. This analysis sheds some light on the research and application of cognitive MIMO technique.

Keywords

MIMO communication; cognitive radio; fading channels; mobile radio; channel fading; cognitive MIMO system; detection error; receiving antenna; transmission antennas; Cognitive radio; Error correction; Fading; Frequency; Information analysis; Interference; MIMO; Receiving antennas; Throughput; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Cross Layer Design, 2007. IWCLD '07. International Workshop on

Conference_Location

Jinan

Print_ISBN

978-1-4244-1283-9

Electronic_ISBN

978-1-4244-1284-6

Type

conf

DOI

10.1109/IWCLD.2007.4379034

Filename

4379034