SCSMA: A Smart CSMA/CA Using Blind Learning for Wireless Sensor Networks

Nguyen, Trang Tien; Oh, Hoon

doi:10.1109/tie.2019.2960753

Cited by 11 publications

(11 citation statements)

References 12 publications

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“…The network need to be made smart and should consider blind learning increasing probability of occurrence as discussed in [2]. Thus, performance with frame concentration can be increased leading to new opportunities with routing leading to lesser collision and energy consumption [3][4][5].…”

Section: Literature Surveymentioning

confidence: 99%

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Cross Layer Design for Wi-Fi Sensor Network Handling Static and Dynamic Environment Using Local Automate Based Autonomic Network Architecture

Sanjay¹,

Shaila²,

Venugopal

2021

SN COMPUT. SCI.

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Section: Literature Surveymentioning

confidence: 99%

“…The process looks simple if the area is not set as a constraint in using Wi-Fi. The collision and congestion can be easily avoided with larger space and high bandwidth compared to UWB, Bluetooth or even ZigBee [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Cross Layer Design for Wi-Fi Sensor Network Handling Static and Dynamic Environment Using Local Automate Based Autonomic Network Architecture

Sanjay¹,

Shaila²,

Venugopal

2021

SN COMPUT. SCI.

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“…Some studies work on improving high reliability and low latency of multi-hop network, such as DeAMON [9], DiSCA [10], PC-LLF [11], CLLF [12], SCSMA [13], SSMADBTC [14], DEDAS-MC [15,16], Multi-hop LoRa linear protocol [8]:…”

Section: Introductionmentioning

confidence: 99%

“…However, it shows high latency because the number of timeslots in the slot frame in the data transmission equals the number of deployed nodes. • SCSMA [13] has a contention-based design that eliminates collision from both hidden and neighbor nodes to improve throughput and reliability of data transmission. However, this protocol employs Request To Send (RTS) and Clear To Send (CTS) control messages; therefore, it is not suitable for very low bandwidths such as LoRa.…”

mentioning

confidence: 99%

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Multi-Hop LoRa Network Protocol with Minimized Latency

Loc

Kim

2020

Energies

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LoRa (Long Range) is a long-range communications capacity with chirp spread spectrum modulation. It has been developed for Internet of Things (IoT) applications for long-distance and low power consumption. Some authors proposed LoRa protocols such as LoRaWAN, LoRaBlink, DQ-LoRa and the multi-hop LoRa network with linear topology; however, these protocols have disadvantages. In this paper, we propose a minimized latency multi-hop LoRa network protocol that is collision-free with low latency to improve on the disadvantages. First, in the proposed protocol, tree topology is constructed by exchanging packets between LoRa nodes and the sink node. During this period, a timeslot and channel are assigned to each tree link, over which LoRa nodes communicate with their parent node and which is collision-free with its neighbor nodes. After the tree construction period, LoRa nodes start data transmission using the timeslot and channel that they have already been assigned to in the tree construction period. We developed the proposed protocol in a LoRa node prototype using the MultiTech mDot module, and we conducted experiments at Ulsan University. The results show that the proposed protocol provides high reliability, parallel transmissions, a minimized number of timeslots assigned for all the links in the network, a minimized packet size, and low latency.

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