Yazar "Seyman, Muhammet Nuri" için listeleme
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Adaptive arrangement of cyclic prefix length for MC-CDMA systems via multi-objective bat algorithm
Seyman, Muhammet Nuri (Springer London Ltd, 2018)Multi-carrier multiplexing systems, used in high bit rate communication applications, are more affected by the time- or frequency-dependent fading effects incurring in the channel than the single-carrier systems. When the ... -
Ateş böceği algoritması kullanarak MC-CDMA sistemlerinde çevrimsel ön takı uzunluğunun belirlenmesi
Seyman, Muhammet Nuri (2017)Çok taşıyıcılı kod bölmeli çoklu erişim gibi yüksek hızlarda veri iletimini sağlayan çok taşıyıcılı haberleşme sistemlerinde semboller arası girişim ve kanallar arası girişimi önlemek için çevrimsel ön takıdan faydalanılır. ... -
Channel estimation based on neural network in space time block coded MIMO-OFDM system
Seyman, Muhammet Nuri; Taspinar, Necmi (Academic Press Inc Elsevier Science, 2013)In this study, we propose feed-forward multilayered perceptron (MLP) neural network trained with the Levenberg-Marquardt algorithm to estimate channel parameters in MIMO-OFDM systems. Bit error rate (BER) and mean square ... -
Cooperative spectrum sensing method for MC-CDMA systems in cognitive radio networks
Yilmazel, Rustem; Seyman, Muhammet Nuri (Ieee, 2018)The development of wireless communication networks has made spectrum management more compulsory. Different systems such as Multi-carrier code division multiple access (MC-CDMA) have to be adapted for cognitive radio ... -
Çok taşıyıcılı kod bölmeli çoklu erişim (MC-CDMA) sistemlerinde alt taşıyıcı tahsisi
Saçaklı, Bircan (Kırıkkale Üniversitesi, 2015)Çok Taşıyıcılı Kod Bölmeli Çoklu Erişim (MC-CDMA), yüksek hızlı kablolu ve kablosuz haberleşme uygulamalarında kullanılan bir çoklu erişim tekniğidir. Kod Bölmeli Çoklu Erişim (CDMA) ve Dikgen Frekans Bölmeli Çoğullama ... -
Çok taşıyıcılığı kod bölmeli çoklu erişim (MC-CDMA) sistemleri sembol tespitinde yapay zeka teknikleri
Seyman, Muhammet Nuri; Kırıkkale Üniversitesi, Rektörlük, Projeler (KırıkkaleKırıkkale Üniversitesi, 2013)… -
Determination of the cyclic prefix length in MC-CDMA using firefly algorithm
Seyman, Muhammet Nuri (Pamukkale Univ, 2017)Cyclic prefix is utilized to prevent intermho) interference and inter currier interference M multi currier communication,systems such us multi -carrier code division multiple access that provides high speed data transmission, ... -
A Novel Subcarrier Allocation Algorithm for MC–CDMA Systems
Seyman, Muhammet Nuri; Sacakli, Bircan (Slovak Univ Technology, 2016)Multi carrier modulation techniques such as MC-CDMA are used in high-speed communication applications. Due to MC-CDMA being a multiuser in technology, the subcarrier quantity allocated per user decreases in case the quantity ... -
Optimization of pilot tones using differential evolution algorithm in MIMO-OFDM systems
Seyman, Muhammet Nuri; Taşpınar, Necmi (2012)In this paper, we propose a differential evolution (DE) algorithm for optimizing the placement and power of the pilot tones that are utilized by a least square (LS) algorithm for channel estimation in multipleinput and ... -
Particle swarm optimization for pilot tones design in MIMO-OFDM systems
Seyman, Muhammet Nuri; Taspinar, Necmi (Springer, 2011)Channel estimation is an essential task in MIMO-OFDM systems for coherent demodulation and data detection. Also designing pilot tones that affect the channel estimation performance is an important issue for these systems. ... -
Pilot Tones Optimization Using Artificial Bee Colony Algorithm for MIMO-OFDM Systems
Seyman, Muhammet Nuri; Taspinar, Necmi (Springer, 2013)How to design the pilot tones that are used in channel estimation has a significant effect on the estimation performance. To achieve good performance in least square (LS) algorithm, we propose the artificial bee colony ... -
SDR tabanlı yüksek hızlı kablosuz veri aktarım platformu geliştirilmesi
Seyman, Muhammet Nuri; Kırıkkale Üniversitesi, Rektörlük, Projeler (KırıkkaleKırıkkale Üniversitesi, 2017)… -
Subcarrier Allocation Algorithm Based on Greedy-Like in Multi Carrier Code Division Multiple Access Systems
Seyman, Muhammet Nuri; Demiral, Bircan (Kaunas Univ Technology, 2017)One of the most important issues to be taken into consideration in multi carrier communication systems with multi users is the assignment of the available resources to the users efficiently. Thus, how to determine the ... -
Symbol detection using the differential evolution algorithm in MIMO-OFDM systems
Seyman, Muhammet Nuri; Taşpınar, Necmi (2013)Channel estimation and symbol detection in multiple-input and multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM) systems are essential tasks. Although the maximum likelihood (ML) detector reveals ...