Impact of Relay Location of STANC Bi-Directional Transmission for Future Autonomous Internet of Things Applications

Wireless communication using existing coding models poses several challenges for RF signals due to multipath scattering, rapid fluctuations in signal strength and path loss effect. Unlike existing works, this study presents a novel coding technique based on Analogue Network Coding (ANC) in conjuncti...

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Bibliographic Details
Published in:IEEE access 2020, Vol.8, p.29395-29406
Main Authors: Tanoli, Shujaat Ali Khan, Shah, Syed Aziz, Khan, Muhammad Bilal, Nawaz, Faiza, Hussain, Amir, Al-Dubai, Ahmed Y., Khan, Imran, Shah, Syed Yaseen, Alsarhan, Ayoub
Format: Article
Language:English
Subjects:
Analogue network coding
Block codes
Coding
Electronic devices
Fading channels
Internet of Things
MIMO (control systems)
moment generating function
Nakagami-<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">m fading channels
Network coding
Performance evaluation
Protocols
Rayleigh fading channels
Relay
Relays
Rician fading channels
Scattering
Signal reflection
Signal strength
space time block code
Transmission
Wireless communication
Wireless communications
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Summary:Wireless communication using existing coding models poses several challenges for RF signals due to multipath scattering, rapid fluctuations in signal strength and path loss effect. Unlike existing works, this study presents a novel coding technique based on Analogue Network Coding (ANC) in conjunction with Space Time Block Coding (STBC), termed as Space Time Analogue Network Coding (STANC). STANC achieves the transmitting diversity (virtual MIMO) and supports big data networks under low transmitting power conditions. Furthermore, this study evaluates the impact of relay location on smart devices network performance in increasing interfering and scattering environments. The performance of STANC is analyzed for Internet of Things (IoT) applications in terms of Symbol Error Rate (SER) and the outage probability that are calculated using analytical derivation of expression for Moment Generating Function (MGF). In addition, the ergodic capacity is analyzed using mean and second moment. These expressions enable effective evaluation of the performance and capacity under different relay location scenario. Different fading models are used to evaluate the effect of multipath scattering and strong signal reflection. Under such unfavourable environments, the performance of STANC outperforms the conventional methods such as physical layer network coding (PNC) and ANC adopted for two way transmission.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.2969750