ERGODIC CAPACITY ANALYSIS FOR SIMO COGNITIVE FADING CHANNEL IN SPECTRUM SHARING ENVIRONMENT

作     者：Yang Yang Wang Jinlong Wu Qihui Liu Xin 

作者机构：Institute of Communication EngineeringPLA University of Science and Technology Nanjing 210007China 

出 版 物：《Journal of Electronics(China)》 (电子科学学刊（英文版）)

年 卷 期：2010年第27卷第5期

页      面：677-685页

学科分类：080904[工学-电磁场与微波技术] 0810[工学-信息与通信工程] 0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080402[工学-测试计量技术及仪器] 0804[工学-仪器科学与技术] 081001[工学-通信与信息系统] 

基　　金：Supported by the National Basic Research Program (973) of China (No. 2009CB320400) the National High-Tech Research and Development Program (863) of China (No. 2009AA01Z243) the National Natural Science Foundation of China (No. 61072044) the Natural Science Fund of Jiangsu Province (BK2009056) 

主　　题：Cognitive Radio (CR) Beamforming Power control Ergodic capacity Single-Input Multi-Output (SIMO) 

摘      要：In this paper,we consider the spectrum sharing Cognitive Radio(CR) system,wherein Single-Input Multi-Output(SIMO) cognitive fading channel is *** to the average in-terference constraint of primary user,the ergodic capacity of cognitive user involving joint beamforming and power control is *** derive the optimal joint beamforming and power control strategy and deduce the general integral expression for ergodic ***,under different channel fadings including Raleigh fading,Nakagami-m fading and Lognormal shadowing fading,the specific expressions of ergodic capacity for SIMO cognitive channel are *** of the expressions are presented in closed-form or with some special integral *** amount of simulations are conducted to corroborate our theoretical results.