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Dr. WILAIPORN SAELEE
King Mongkut's University of Technology North Bangkok (KMUTNB)

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Research Keywords & Expertise

0 Cognitive Radio
0 Cooperative
0 Smart Grid
0 wireless communication
0 Spectrum Sensing

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Research article
Published: 24 May 2021 in Mathematical Problems in Engineering
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To support the constraints of smart meters—low power and memory—of AMI network, RPL is considered as the most suitable routing protocol to be implemented in practice. Network lifetime, PDR, and latency are the critical issues to be focused on and addressed. Generally, single parent selection scheme cannot satisfy all expected performance requirements of RPL based on AMI network due to tradeoff between workload balancing and transmission performance, PDR and latency. Moreover, the single parent also suffers from the package size and transmission range. Then, multiparent solution is proposed to overcome these demerits using multipath transmission strategy. Although the existing multiparent solutions, MELT and MAHP, overcome the issue of transmission performance, they present low network lifetime since multiparent solution consumes high energy in data transmission. In this paper, we propose an “empowered hybrid parent selection (EHPS)” that exploits the merits of multiparent solution and the single parent with cognitive radio technology in a hybridizing scheme. To split the data packet efficiently under multipath transmission strategy, a fuzzy AHP (FAHP) is adopted; therefore, EHPS balances the workload effectively and maximizes the network lifetime over long transmission range and large data size. Moreover, by exploiting cognitive radio, EHPS is flexible to the transmission range and data size since it achieves the highest transmission performance, highest PDR, and lowest latency among others, while maintaining high network lifetime.

ACS Style

Kanabadee Srisomboon; Tinnaphob Dindam; Wilaiporn Lee. Empowered Hybrid Parent Selection for Improving Network Lifetime, PDR, and Latency in Smart Grid. Mathematical Problems in Engineering 2021, 2021, 1 -19.

AMA Style

Kanabadee Srisomboon, Tinnaphob Dindam, Wilaiporn Lee. Empowered Hybrid Parent Selection for Improving Network Lifetime, PDR, and Latency in Smart Grid. Mathematical Problems in Engineering. 2021; 2021 ():1-19.

Chicago/Turabian Style

Kanabadee Srisomboon; Tinnaphob Dindam; Wilaiporn Lee. 2021. "Empowered Hybrid Parent Selection for Improving Network Lifetime, PDR, and Latency in Smart Grid." Mathematical Problems in Engineering 2021, no. : 1-19.

Journal article
Published: 17 April 2021 in Energies
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Cognitive radio is expected to be implemented in smart grids since it presents high reliability, high accuracy and low transmission time by utilizing licensed bands opportunistically. Shadowing environment affects the performance of channel availability detection of local spectrum sensing since it occurs occasionally. Therefore, the cooperative spectrum sensing is encouraged to be used for addressing shadowing issues. The principle cooperative spectrum sensing techniques suffer from unreliable local information from secondary users (SUs) who are encountered by the shadowing effect. Then, several alternative methods, adaptive majority rule and improved weight algorithm (IMA) is proposed by taking the SUs reliability into account. However, the unreliable SUs are still considered according to the algorithm. Therefore, in this paper, we propose an adaptive multi-criteria thresholding (AMT) to determine the channel availability according to the SUs reliability. The main contribution of AMT is three-fold. First, the new reliable weight calculation is proposed by utilizing analytic hierarchy process (AHP) under three major criteria. Second, AMT is flexible to the number of SUs since it adapts the decision weight on the optimal number of SUs according to the reliable SUs. Third, the shadowing issue is addressed by taking only reliable SUs into account.

ACS Style

Kanabadee Srisomboon; Yutthna Sroulsrun; Wilaiporn Lee. Adaptive Multicriteria Thresholding for Cooperative Spectrum Sensing in Cognitive Radio Ad Hoc Smart Grid Networks under Shadowing Effect. Energies 2021, 14, 2259 .

AMA Style

Kanabadee Srisomboon, Yutthna Sroulsrun, Wilaiporn Lee. Adaptive Multicriteria Thresholding for Cooperative Spectrum Sensing in Cognitive Radio Ad Hoc Smart Grid Networks under Shadowing Effect. Energies. 2021; 14 (8):2259.

Chicago/Turabian Style

Kanabadee Srisomboon; Yutthna Sroulsrun; Wilaiporn Lee. 2021. "Adaptive Multicriteria Thresholding for Cooperative Spectrum Sensing in Cognitive Radio Ad Hoc Smart Grid Networks under Shadowing Effect." Energies 14, no. 8: 2259.

Research article
Published: 28 May 2019 in Mathematical Problems in Engineering
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Traditionally, several existing filters are proposed for removing a specific type of noise. However, in practice, the image communicated through the communication channel may be contaminated with more than one type of noise. Switching bilateral filter (SBF) is proposed for removing mixed noise by detecting a contaminated noise at the concerned pixel and recalculates the filter parameters. Although the filter parameters of SBF are sensitive to type and strength of noise, the traditional SBF filter has not taken the strength into account. Therefore, the traditional SBF filter cannot remove the mixed noise efficiently. In this paper, we propose a smart switching bilateral filter (SSBF) to outperform a demerit of traditional SBF filter. In the first stage of SSBF, we propose a new scheme of noise estimation using domain weight (DW) pattern which characterizes the distribution of the different intensity between a considered pixel and its neighbors. By using this estimation, the types of mixed noises and their strength are estimated accurately. The filter parameters of SBF are selected from the table where the spatial weight and radiometric weight are already learned. As a result, SSBF can improve the performance of traditional SBF and can remove mixed noises efficiently without knowing the exact type of contaminated mixed noise. Moreover, the performance of SSBF is compared to the optimal SBF filter (OSBF) where OSBF sets the optimal value of filter parameters on the contaminated mixed noise and three new filters — block-matching and 3D filtering (BM3D), nonlocal sparse representation (NCSR), and trilateral filter (TF). The simulation results showed that the performance of SSBF outperforms BM3D, NCSR, TF, and SBF and is near to optimal SBF filter, even if the SSBF does not know the type of mixed noise.

ACS Style

Kriengkri Langampol; Kanabadee Srisomboon; Vorapoj Patanavijit; Wilaiporn Lee. Smart Switching Bilateral Filter with Estimated Noise Characterization for Mixed Noise Removal. Mathematical Problems in Engineering 2019, 2019, 1 -23.

AMA Style

Kriengkri Langampol, Kanabadee Srisomboon, Vorapoj Patanavijit, Wilaiporn Lee. Smart Switching Bilateral Filter with Estimated Noise Characterization for Mixed Noise Removal. Mathematical Problems in Engineering. 2019; 2019 ():1-23.

Chicago/Turabian Style

Kriengkri Langampol; Kanabadee Srisomboon; Vorapoj Patanavijit; Wilaiporn Lee. 2019. "Smart Switching Bilateral Filter with Estimated Noise Characterization for Mixed Noise Removal." Mathematical Problems in Engineering 2019, no. : 1-23.

Research article
Published: 21 February 2018 in Wireless Communications and Mobile Computing
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To maintain reliability of advanced metering infrastructure network in smart grid, data sent from a smart meter must reach a data concentrator unit efficiently. Parent selecting mechanism in routing protocol for low-power and lossy (RPL) is a key to maintain the reliability by balancing workload of meters in the network. In this paper, a parent selecting mechanism with three criteria including expected transmission count, residual energy, and expected transmission time is proposed to improve workload balancing and lifetime differences of all meters. A meter selects an immediate parent based on three factors. From simulation results, parents’ workload is better balanced and the lifetime of all meters in the network is depleted nearly at the same time. Moreover, a simulation with cognitive radio enabled meters, where data can be transmitted on a licensed channel opportunistically when the channel is not utilized, shows an improvement in the packet delivery ratio.

ACS Style

Adisorn Kheaksong; Kanabadee Srisomboon; Akara Prayote; Wilaiporn Lee. Multicriteria Parent Selection Using Cognitive Radio for RPL in Smart Grid Network. Wireless Communications and Mobile Computing 2018, 2018, 1 -13.

AMA Style

Adisorn Kheaksong, Kanabadee Srisomboon, Akara Prayote, Wilaiporn Lee. Multicriteria Parent Selection Using Cognitive Radio for RPL in Smart Grid Network. Wireless Communications and Mobile Computing. 2018; 2018 ():1-13.

Chicago/Turabian Style

Adisorn Kheaksong; Kanabadee Srisomboon; Akara Prayote; Wilaiporn Lee. 2018. "Multicriteria Parent Selection Using Cognitive Radio for RPL in Smart Grid Network." Wireless Communications and Mobile Computing 2018, no. : 1-13.