Max-gain relay selection scheme for wireless networks

Ullah, S. E.; Malik, Mazhar Hussain; Tüysüz, Mehmet Fatih; Hasnain, Muhammad; Aydın, Mehmet Emin

doi:10.1016/j.jestch.2020.08.009

Cited by 3 publications

(3 citation statements)

References 22 publications

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“…These architectures vary depending on whether these three elements can be fixed or mobile. There are two methods for data collection : [11] • Data Collection in Response to a Request: When the state of the coverage area is desired at a specific time (T), the data sink emits broadcasts throughout the area to prompt the sensors to report their latest readings to the data sink. The information is then transmitted through a multihop communication process.…”

Section: B Data Collection Architecturesmentioning

confidence: 99%

“…The work of various researchers has yielded many novel findings and explored new opportunities to enhance the performance of wireless networks. [11] However, despite the advantages and progress achieved through random access methods based on physical layer network coding, challenges remain. The practical implementation of these methods may require adaptations to existing infrastructures, and further studies are needed to optimize these approaches in real-world and complex network environments.…”

Section: Disscussionmentioning

confidence: 99%

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Comparative Analysis of Physical Layer Network Coding-Based Random Access Techniques in WSN Communications

Mansour,

Hicham

2023

2023 14th International Conference on Intelligent Systems: Theories and Applications (SITA)

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This article focuses on enhancing random access methods in wireless communication systems through the introduction of the physical layer network coding technique. Specifically, we delve into the "Contention Resolution Diversity Slotted ALOHA" (CRDSA) protocol, an innovative method based on physical layer network coding and interference cancellation techniques. Our primary objective is to provide an in-depth comparison between traditional protocols such as ALOHA, Slotted ALOHA (SA), and our CRDSA method.In this article, we elaborate on how our CRDSA method outperforms these traditional protocols. We demonstrate concretely that our method significantly enhances channel efficiency, reducing collisions and increasing the overall system throughput. We also present meticulously studied results from our experiments, highlighting CRDSA's superior performance in terms of throughput and packet loss rates.In summary, our study makes a significant contribution by introducing CRDSA as an innovative and effective solution for wireless random access systems. The results clearly demonstrate that our method surpasses traditional approaches, paving the way for significant improvements in wireless communication networks.

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Section: B Data Collection Architecturesmentioning

confidence: 99%

Section: Disscussionmentioning

confidence: 99%

Comparative Analysis of Physical Layer Network Coding-Based Random Access Techniques in WSN Communications

Mansour,

Hicham

2023

2023 14th International Conference on Intelligent Systems: Theories and Applications (SITA)

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“…Few relay selection schemes use the iterative method of relay selection and consider buffer status while selecting a relay. Authors in [29,50,53,54] also considered buffer state in their relay selection schemes; all of these schemes are half-duplex and the link quality needs to be only qualified. In wireless sensor network, there is an astringent constraint on power consumption, so in [55], the authors studied trade-off to be made between delay and energy consumption while determining the route towards the BS.…”

Section: Related Workmentioning

confidence: 99%

QoS‐Oriented Optimal Relay Selection in Cognitive Radio Networks

Alvi

Hussain

Shakeel

et al. 2021

Wireless Communications and Mobile Computing

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A cognitive radio network can be employed in any wireless communication systems, including military communications, public safety, emergency networks, aeronautical communications, and wireless-based Internet of Things, to enhance spectral efficiency. The performance of a cognitive radio network (CRN) can be enhanced through the use of cooperative relays with buffers; however, this incurs additional delays which can be reduced by using virtual duplex relaying that requires selection of a suitable relay pair. In a virtual duplex mode, we mimic full-duplex links by using simultaneous two half-duplex links, one transmitting and the other one receiving, in such a way that the overall effect of duplex mode is achieved. The relays are generally selected based on signal-to-interference-plus-noise ratio (SINR). However, other factors such as power consumption and buffer capacity can also have a significant impact on relay selection. In this work, a multiobjective relay selection scheme is proposed that simultaneously takes into account throughput, delay performance, battery power, and buffer status (i.e., both occupied and available) at the relay nodes while maintaining the required SINR. The proposed scheme involves the formulation of four objective functions to, respectively, maximize throughput and buffer space availability while minimizing the delay and battery power consumption. The weighted sum approach is then used to combine these objective functions to form the multiobjective optimization problem and an optimal solution is obtained. The assignments of weights to objectives have been done using the rank sum (RS) method, and several quality-of-service (QoS) profiles have been considered by varying the assignment of weights. The results gathered through simulations demonstrate that the proposed scheme efficiently determines the optimal solution for each application scenario and selects the best relay for the respective QoS profile. The results are further verified by using the genetic algorithm (GA) and particle swarm optimization (PSO) techniques. Both techniques gave identical solutions, thus validating our claim.

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