Generalized performance analysis of uplink and downlink dual-hop AF mixed RF/FSO relaying systems with pointing errors

被引:0
|
作者
Ding, Junrong [1 ]
Kang, Dongpeng [1 ]
Xie, Xiaolong [2 ]
Wang, Ling [3 ]
Wu, Hongyu [1 ]
Tan, Liying [1 ]
Ma, Jing [1 ]
机构
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China
[2] Peng Cheng Lab, Shenzhen 518000, Peoples R China
[3] Anhui Univ, Sch Internet, Hefei 230039, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Mixed RF/FSO relaying; Fisher-snedecor F distribution; K-mu shadowed distribution; Average bit error rate; Ergodic capacity; Effective capacity; GAMMA-GAMMA; DIVERSITY; TRANSMISSION; INTERFERENCE; NETWORKS; CAPACITY; LINKS; GAIN;
D O I
10.1007/s11082-023-05054-7
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present the performance analysis of dual-hop mixed radio frequency (RF)/free space optical (FSO) systems with fixed-gain amplify-and-forward (AF) relaying in the presence of pointing errors. The RF link undergoes the kappa-mu shadowed fading and the FSO link experiences Fisher-Snedecor F turbulence with pointing errors. For uplink and downlink scenarios, we derive closed-form approximate expressions of the end-to-end signal-to-noise ratio (SNR) statistics, such as the cumulative distribution function (CDF) and the probability density function (PDF). By using both two statistics, the average bit error rate (BER), the ergodic capacity (EC), and the effective capacity are derived in terms of the bivariate Fox's H function. These results illustrate the effects of system and channel parameters on the considered system, including atmospheric turbulence, pointing errors, multipath cluster numbers, shadowing parameter, quality parameter and different modulation schemes. Note that our results provide more general expressions. Finally, the derived approximate expressions are confirmed through Monte Carlo (MC) simulations. This work would contribute to the design and development of dual-hop mixed RF/FSO relaying systems.
引用
收藏
页数:23
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