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radio frequency (73) 73
telecommunications (35) 35
engineering, electrical & electronic (32) 32
signal to noise ratio (27) 27
links (25) 25
optics (25) 25
hybrid fso/rf (23) 23
optical fiber communication (22) 22
radio frequencies (17) 17
atmospheric turbulence (15) 15
fading channels (15) 15
outage probability (15) 15
free space optics (14) 14
free-space optical communication (14) 14
hybrid systems (14) 14
optical transmitters (14) 14
optical wireless (14) 14
performance analysis (14) 14
wireless communication (14) 14
atmospheric modeling (13) 13
bit error rate (13) 13
channels (13) 13
optical receivers (13) 13
receivers (13) 13
relays (13) 13
communication (12) 12
computer science, information systems (12) 12
probability (12) 12
adaptive optics (11) 11
modulation (11) 11
pointing errors (11) 11
communication systems (10) 10
diversity reception (10) 10
hybrid rf/fso (10) 10
optical switches (10) 10
resource management (10) 10
capacity (9) 9
fading (9) 9
networks (9) 9
rain (9) 9
atmospheric-turbulence channels (8) 8
kommunikationssystem (8) 8
optimization (8) 8
selection combining (8) 8
attenuation (7) 7
mathematical analysis (7) 7
optical attenuators (7) 7
relay (7) 7
systems (7) 7
throughput (7) 7
channel capacity (6) 6
communications systems (6) 6
data communication (6) 6
diversity (6) 6
fog (6) 6
markov processes (6) 6
performance (6) 6
power system reliability (6) 6
turbulence (6) 6
algorithms (5) 5
analysis (5) 5
availability (5) 5
codes (5) 5
computer science, hardware & architecture (5) 5
decoding (5) 5
fso (5) 5
hybrid fso/rf systems (5) 5
hybrid power systems (5) 5
nachrichtensystem (5) 5
nachrichtenübertragungssystem (5) 5
optical links (5) 5
optische nachrichtenübertragung (5) 5
physics, applied (5) 5
protocols (5) 5
space optical communication (5) 5
wireless communications (5) 5
design (4) 4
engineering (4) 4
fehlerrate (4) 4
free space optic (4) 4
free space optical communication (4) 4
free-space optics (4) 4
gain (4) 4
gamma-gamma atmospheric turbulence (4) 4
gamma-gamma distribution (4) 4
gamma-gamma fading (4) 4
hybrid rf/fso systems (4) 4
hybridsystem (4) 4
laser beams (4) 4
mathematical models (4) 4
meteorology (4) 4
optische freiraumübertragung (4) 4
radio links (4) 4
relay networks (4) 4
relaying (4) 4
research (4) 4
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space optical links (4) 4
switching (4) 4
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1. Full Text Bit-interleaved coded modulation for hybrid RF/FSO systems
by He, B and Schober, R
IEEE Transactions on Communications, ISSN 0090-6778, 12/2009, Volume 57, Issue 12, pp. 3753 - 3763
In this paper, we propose a novel architecture for hybrid radio frequency (RF)/free-space optics (FSO) wireless systems. Hybrid RF/FSO systems are attractive... 
Fading | Convolutional codes | Free-space optics (FSO) | Optical transmitters | Radio frequency | Rain | diversity | 60¿GHz RF systems | bit-interleaved coded modulation (BICM) | Interleaved codes | Robustness | Performance analysis | Optical modulation | Modulation coding | hybrid RF/FSO systems | 60-GHz RF systems | PERFORMANCE | NETWORKS | CONVOLUTIONAL-CODES | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC | ATMOSPHERIC-TURBULENCE CHANNELS | PROBABILITY | BOUNDS | BLOCK-FADING CHANNELS | SPACE OPTICAL LINKS | COMMUNICATION | Optical communications | Mobile communication systems | Wireless communication systems | Research | Modulation (Electronics) | Radio frequencies | Searching | Asymptotic properties | Modulation | Impairment | Hybrid systems | Channels
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2. Full Text Performance analysis of hybrid RF–FSO systems with amplify-and-forward selection relaying
by Torabi, Mohammad and Effatpanahi, Rahman
Optics Communications, ISSN 0030-4018, 03/2019, Volume 434, pp. 80 - 90
This paper presents performance analysis for two cooperative amplify-and-forward (AF) relaying systems in which hybrid combinations of radio frequency (RF) and... 
Radio frequency (RF) | Hybrid RF–FSO cooperative relaying systems | Free space optic (FSO) | OUTAGE | Hybrid RF-FSO cooperative relaying systems | LINKS | TURBULENCE | DIVERSITY | NETWORKS | OPTICS | COMMUNICATION | Fading channels | Electrical engineering | Monte Carlo method | Turbulence | Analysis
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3. Full Text A new relay based architecture in hybrid RF/FSO system
by Tahami, Amin and Dargahi, Akbar and Abedi, Kambiz and Chaman-Motlagh, Abolfazl
Physical Communication, ISSN 1874-4907, 10/2019, Volume 36, p. 100818
In this paper, a novel architecture in mixed Radio-Frequency (RF)/Free-Space-Optical (FSO) communication systems is presented. RF and FSO links based on... 
Relaying connection | Spatial diversity | Pointing error | Hybrid RF/FSO systems | Selection relay technique | PERFORMANCE ANALYSIS | FSO LINK | TELECOMMUNICATIONS | OUTAGE CAPACITY | ENGINEERING, ELECTRICAL & ELECTRONIC
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4. Full Text Performance of a Free-Space-Optical Relay-Assisted Hybrid RF/FSO System in Generalized M-Distributed Channels
by Lei Kong and Wei Xu and Hanzo, Lajos and Hua Zhang and Chunming Zhao
IEEE Photonics Journal, ISSN 1943-0655, 10/2015, Volume 7, Issue 5, pp. 1 - 19
This paper investigates the average symbol error rate (ASER) performance of a dual-hop hybrid relaying system relying on both radio frequency (RF) and... 
Radio frequency | Relay | hybrid RF/FSO | Scattering | Modulation | free space optical communications | symbol error rate | Optical fiber communication | Adaptive optics | atmospheric turbulence | Relays | Signal to noise ratio | ATMOSPHERIC-TURBULENCE CHANNELS | PHYSICS, APPLIED | TRANSMISSION-SYSTEMS | OPTICS | COMMUNICATION | ENGINEERING, ELECTRICAL & ELECTRONIC
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5. Full Text On performance analysis of hybrid FSO/RF systems
by Shakir, Wafaa Mohammed Ridha
IET Communications, ISSN 1751-8628, 7/2019, Volume 13, Issue 11, pp. 1677 - 1684
In this work, the author investigate the performance of the hybrid free-space optical/radio frequency (FSO/RF) communication systems where RF links are subject... 
Research Article | radio links | MIXED RF/FSO | optical links | diversity reception | FSO link | Nakagami-m distribution fading effects | extended generalised bivariate Meijer G-function | CAPACITY ANALYSIS | Nakagami channels | ENGINEERING, ELECTRICAL & ELECTRONIC | radio frequency communication | Monte Carlo methods | COMMUNICATION-SYSTEM | hybrid FSO-RF communication systems | heterodyne detection | intensity modulation | Gamma-Gamma turbulence distribution | free-space optical communication | CHANNELS | optical communication | GAIN | RF links
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6. Full Text Link Allocation for Multiuser Systems With Hybrid RF/FSO Backhaul: Delay-Limited and Delay-Tolerant Designs
by Jamali, Vahid and Michalopoulos, Diomidis S and Uysal, Murat and Schober, Robert
IEEE Transactions on Wireless Communications, ISSN 1536-1276, 05/2016, Volume 15, Issue 5, pp. 3281 - 3295
In this paper, we consider a cascaded radio frequency (RF) and hybrid RF/free space optical (FSO) system where several mobile users transmit their data over an... 
Radio frequency | Wireless communication | Delays | Mobile nodes | Resource management | Relays | Antennas | adaptive/fixed link allocation | delay | throughput | Hybrid RF/FSO | backhaul link | CAPACITY | PERFORMANCE | MODEL | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC | ACHIEVABLE RATE | SPACE OPTICAL COMMUNICATION | AIDED RELAY CHANNEL | Relay | Radio frequencies | Allocations | Policies | Links | Packet transmission | Free space optics
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7. Full Text Optimal Relay Selection for the Parallel Hybrid RF/FSO Relay Channel: Non-Buffer-Aided and Buffer-Aided Designs
by Najafi, Marzieh and Jamali, Vahid and Schober, Robert
IEEE Transactions on Communications, ISSN 0090-6778, 07/2017, Volume 65, Issue 7, pp. 2794 - 2810
Hybrid radio frequency (RF)/free space optical (FSO) systems are among the candidate enabling technologies for the next generation of wireless networks, since... 
Protocols | Throughput | Optical transmitters | Relays | Adaptive relay selection | buffer-aided relaying | non-buffer-aided relaying | Radio frequency | Wireless communication | parallel relay channel | Delays | average delay | hybrid RF/FSO systems | PERSPECTIVE | TELECOMMUNICATIONS | FSO/RF LINKS | ENGINEERING, ELECTRICAL & ELECTRONIC | PERFORMANCE ANALYSIS | ACHIEVABLE RATE | CODES | SPACE OPTICAL COMMUNICATION | SYSTEMS | Usage | Mobile communication systems | Wireless communication systems | Relay | Systems design | Wireless networks | Links | Buffers | Optimization | Subsystems | Duplex operation
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8. Full Text Performance Analysis of Hybrid RF/FSO System Using BPSK-SIM and DPSK-SIM Over Gamma-Gamma Turbulence Channel With Pointing Errors for Smart City Applications
by Krishnan, Prabu
IEEE Access, ISSN 2169-3536, 2018, Volume 6, pp. 75025 - 75032
The flourishing technology in wireless communication-free space optics (FSO) offers lots of merits over radio frequency (RF) links due to its license free... 
Radio frequency | Fading channels | Atmospheric modeling | hybrid RF/FSO | Modulation | Probability | gamma-gamma channel | Power system reliability | Mathematical model | Free space optics | atmospheric turbulence | SPACE OPTICAL COMMUNICATION | LINKS | COMPUTER SCIENCE, INFORMATION SYSTEMS | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC
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9. Full Text Survey on Free Space Optical Communication: A Communication Theory Perspective
by Khalighi, Mohammad Ali and Uysal, Murat
IEEE Communications Surveys & Tutorials, ISSN 1553-877X, 2014, Volume 16, Issue 4, pp. 2231 - 2258
Optical wireless communication (OWC) refers to transmission in unguided propagation media through the use of optical carriers, i.e., visible, infrared (IR),... 
Wireless communication | Radio frequency | Atmospheric modeling | Receivers | Optical fiber communication | Laser beams | Optical beams | Free-space optical (FSO) communication | optical modulation | channel modeling | channel coding | channel capacity | optical wireless communication (OWC) | relay-assisted networks | spatial diversity | adaptive transmission | hybrid RF/FSO systems | MULTIPLYING AVALANCHE PHOTODIODES | TRANSMIT LASER SELECTION | COMPUTER SCIENCE, INFORMATION SYSTEMS | LIKELIHOOD SEQUENCE DETECTION | TELECOMMUNICATIONS | ATMOSPHERIC-TURBULENCE CHANNELS | I-K DISTRIBUTION | COHERENT GAUSSIAN-BEAM | PARITY-CHECK CODES | DIGITAL PULSE INTERVAL | BIT-ERROR-RATE | TIME BLOCK-CODES | Adaptive systems | Television | Infrared | Links | Infrared radiation | Atmospherics | Channels
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10. Research on Outage Performance of Mixed RF/FSO Relay System
by Zhi Qiao and Wenxiao Shi and Zhuo Wang
Jilin Daxue Xuebao. Xinxi Kexue Ban = Journal of Jilin University. Information Science Edition, ISSN 1671-5896, 01/2018, Issue 2, p. 121
In order to accurately evaluate the hybridradio frequency/free space optical RF/FSO(Rradio-Frequency/Free-Space Optics) relay system performance,the closed... 
Fading | Radio frequency | Optical wireless | Relay | Computer simulation | Relay systems | Hybrid systems | Rayleigh distribution | Free space optics | Monte Carlo simulation
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11. Full Text An Experimental Hybrid RF/FSO System Using Optical Heterodyne Method
by Jiang, Ziqi and Sun, Zhiwen and Jia, Qingsong and Chen, Junda and Zhang, Xinmeng and Wang, Tianshu and Chen, Chunyi and Liu, Zhi
2018 10th International Conference on Advanced Infocomm Technology (ICAIT), 08/2018, pp. 83 - 87
In this paper, we experimentally realized mixed space transmission of laser beam and microwave signal which is generated by two laser beams beating using... 
hybrid radio frequency(RF)/free space optical(FSO) | intensity modulation/direct detection | optical heterodyne
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12. Full Text Capacity Analysis of an AF Relaying Asymmetric RF-FSO System in a Cognitive Radio Network
by Torabi, Mohammad and Mohammadi, Nasim
2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC), 04/2019, pp. 162 - 166
This paper presents a performance analysis for the average channel capacity of an asymmetric two-hop cooperative relaying in cognitive-radio system, in which... 
Radio frequency | Fading channels | Free space optic (FSO) | Channel capacity | Receivers | Interference | radio frequency (RF) | hybrid RF-FSO cooperative relaying systems | Relays | Signal to noise ratio
Conference Proceeding
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13. Full Text Selection Combining in Hybrid RF/FSO Systems for IM/DD and Heterodyne Detection in Varying Weather Conditions
by Sundharam, Vaibhav and Johari, Shagun
2018 2nd International Conference on Micro-Electronics and Telecommunication Engineering (ICMETE), 09/2018, pp. 286 - 291
A hybrid RF/FSO scheme that can be deployed to effectively combat the issue of signal fading in pure FSO systems is proposed in this paper. The scheme... 
Meijer'G Function | Free Space Optical Communication | Hybrid RF/FSO System | Atmospheric Attenuation
Conference Proceeding
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14. Full Text Partial Relay Selection with Feedback Delay in an AF Cooperative Relaying RF-FSO System with Spectrum Sharing
by Torabi, Mohammad and Mohammadi, Nasim
2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC), 04/2019, pp. 26 - 30
In this paper, the performance of a dual-hop selection relaying system with mixed radio frequency (RF)and free space optical (FSO)communications is evaluated... 
Radio frequency | Fading channels | Free space optic (FSO) | hybrid RF-FSO | partial relay selection | radio frequency (RF) | Probability | feedback delay | Delays | Power system reliability | Relays | Signal to noise ratio
Conference Proceeding
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15. Full Text Performance analysis of PSK modulation in DF dual-hop hybrid RF/FSO system over gamma gamma channel
by Saidi, Hechmi and Tourki, Kamel and Hamdi, Noureddine
2016 International Symposium on Signal, Image, Video and Communications (ISIVC), 2016, pp. 213 - 216
The Free Space Optic (FSO) is one of the recent transmission technologies which has recently received great interest as an attractive solution especially when... 
Fading channels | SER | DF | dual-hop | Receivers | Relays | Radio frequency | PSK modu lation | Phase shift keying | Hybrid RF/FSO | Gamma-Gamma fading | SNR | Ricean fading | Optical fiber communication | Signal to noise ratio
Conference Proceeding
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16. Full Text Performance Analysis of Hybrid SIMO-RF/FSO Communication System with Fixed Gain AF Relay
by Shi, WX and Kang, K and Wang, Z and Liu, W
CURRENT OPTICS AND PHOTONICS, ISSN 2508-7266, 10/2019, Volume 3, Issue 5, pp. 365 - 373
This paper investigates the performance of a hybrid single input multiple output radio frequency/free-space optics (SIMO-RF/FSO) communication system. Each... 
MIXED RF/FSO | Fixed gain AF relay | Performance analysis | OPTICS | Free-space optics communication | Hybrid SIMO-RF/FSO communication system | Optical wireless | Turbulent flow | Computer simulation | Bit error rate | Amplification | Radio frequency | Communications systems | Atmospheric turbulence | Audio frequencies | Misalignment | Hybrid systems | Rayleigh distribution | Free space optics | Gain | 물리학
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17. Full Text A performance study of a hybrid 5G RF/FSO transmission system
by Illi, Elmehdi and El Bouanani, Faissal and Ayoub, Fouad
2017 International Conference on Wireless Networks and Mobile Communications (WINCOM), 11/2017, pp. 1 - 7
This work presents a study on the performance of a hybrid 5G RF/FSO communication system. Both transmitter and receiver communicate through two paths: the... 
Fading channels | ASER | 5G mobile communication | pointing error impairment | Atmospheric modeling | Receivers | hybrid 5G RF/FSO transmission system | MGF | Fox's H-Function | Radio frequency | RadioFrequency (RF) | Málaga-M turbulence | free-space optics (FSO) | Weibull fading channel | Signal to noise ratio | MRC
Conference Proceeding
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18. Full Text Selection combining hybrid FSO/RF systems over generalized induced-fading channels
by Odeyemi, Kehinde O and Owolawi, Pius A
Optics Communications, ISSN 0030-4018, 02/2019, Volume 433, pp. 159 - 167
A hybrid free space optical (FSO)/millimeter-wave radio frequency (mmWave RF) technology is a promising scheme to improve an optical link reliability and... 
Selection combining | Atmospheric turbulence | Hybrid FSO/RF | Millimeter-wave radio frequency | Free space optical | PERFORMANCE ANALYSIS | SPACE OPTICAL COMMUNICATION | ATMOSPHERIC-TURBULENCE | DIVERSITY | OPTICS | MODULATION | Fading channels | Turbulence | Analysis
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19. Adaptive multi-rate designs and analysis for hybrid FSO/RF systems over fading channels
by Mai, Vuong V and Pham, Anh T
IEICE Transactions on Communications, ISSN 0916-8516, 08/2015, Volume E98B, Issue 8, pp. 1660 - 1671
This paper proposes the concept of adaptive multi-rate (AMR), which jointly employs switching between two links and adaptive rate on each link, for hybrid... 
Adaptive multi-rate (AMR) | Hybrid FSO/RF | Turbulence channel | Automatic-repeat request (ARQ) | turbulence channel | adaptive multi-rate (AMR) | PERFORMANCE ANALYSIS | ERROR-PROBABILITY | TELECOMMUNICATIONS | automatic-repeat request (ARQ) | COMMUNICATION | MODULATION | hybrid FSO/RF | ENGINEERING, ELECTRICAL & ELECTRONIC
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20. Full Text On the Performance of Millimeter Wave-Based RF-FSO Multi-Hop and Mesh Networks
by Makki, Behrooz and Svensson, Tommy and Brandt-Pearce, Maite and Alouini, Mohamed-Slim
IEEE Transactions on Wireless Communications, ISSN 1536-1276, 12/2017, Volume 16, Issue 12, pp. 7746 - 7759
This paper studies the performance of multi-hop and mesh networks composed of millimeter wave-based radio frequency (RF) and free-space optical (FSO) links.... 
Radio frequency | Wireless communication | Mesh networks | free-space optical communications | multi-hop networks | Transmitting antennas | Spread spectrum communication | Probability | RF-FSO links | HARQ | Power system reliability | Millimeter wave communications | Free-space optical communications | Multi-hop networks | PROTOCOLS | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC | CHANNEL STATE INFORMATION | THROUGHPUT | mesh networks | SYSTEMS | LINK | HYBRID | Telekommunikation | Kommunikationssystem | Signalbehandling | Telecommunications | Communication Systems | Signal Processing
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