TY - JOUR T1 - OFDM-AIM İletim Tekniği için Karınca Kolonisi Optimizasyon Algoritması Tabanlı Alt-Blok Set Tasarımı TT - Ant Colony Optimization Algorithm Based Sub-Blocks Set Design for OFDM-AIM Transmission Technique AU - Yıldırım, Mahmut PY - 2021 DA - June DO - 10.29137/umagd.859150 JF - International Journal of Engineering Research and Development JO - IJERAD PB - Kirikkale University WT - DergiPark SN - 1308-5506 SP - 478 EP - 488 VL - 13 IS - 2 LA - tr AB - OFDM-IM (İndeks Modülasyonlu Dikgen Frekans Bölmeli Çoğullama), 5G (Beşinci Nesil) ve ötesi iletişim sistemleri için aday iletim tekniklerinden birisi olarak son yıllarda üzerinde birçok çalışma gerçekleştirilmiştir. OFDM-IM'nin spektral verimliliğinin artırılması amacıyla geliştirilen OFDM-AIM (Tüm İndeks Modülasyonlu OFDM) tekniğinde, boş alt-taşıyıcıların bulunduğu OFDM-IM'den farklı olarak tüm alt-taşıyıcılar aktif duruma getirilmiştir. Bu makalede, OFDM-AIM'in bit hata oranı (BHO) performansının iyileştirilmesi için Karınca Kolonisi Optimizasyonu (KKO) algoritması tabanlı bir alt-blok set tasarımı önerilmiştir (KKO-OFDM-AIM). OFDM-AIM tekniğinde veri bitleri, PSK/QAM takımyıldızı noktaları ile eşleştirilirken önerilen KKO-OFDM-AIM tekniğinde, çeşitlilik kazancının artırılması amacıyla PSK/QAM takımyıldızı uzayının tamamı olası eşleştirme noktaları olarak değerlendirilir. KKO-OFDM-AIM tekniğinde, en yüksek uygunluk değerine sahip eşleştirme noktaları KKO algoritması tarafından belirlenerek alt-blok seti oluşturulur. Simülasyon çalışmalarında KKO-OFDM-AIM tekniği, OFDM, OFDM-IM, OFDM-AIM ve GA-OFDM-AIM (Genetik algoritma tabanlı OFDM-AIM) teknikleri ile karşılaştırılmış ve en iyi BHO başarısına sahip olduğu görülmüştür. KW - 5G KW - OFDM KW - OFDM-IM KW - OFDM-AIM KW - Karınca Kolonisi Optimizasyonu N2 - OFDM-IM (Orthogonal Frequency Division Multiplexing with Index Modulation) as one of the candidate transmission techniques for 5G (Fifth Generation) and beyond communication systems, many studies have been carried out in recent yeaars. In the OFDM-AIM (OFDM with All Index Modulation) technique, which has developed to increase the spectral efficiency of the OFDM-IM, unlike the OFDM-IM which has empty sub-carriers, all sub-carriers are active. In this article, Ant Colony Optimization (ACO) algorithm based sub-block set design (ACO-OFDM-AIM) is proposed to improve the bit error rate (BER) performance of the OFDM-AIM. In the OFDM-AIM technique, data bits are matched with PSK/QAM constellation points, while in the KKO-OFDM-AIM technique, the entire PSK/QAM constellation space can be determined as possible mapping points in order to increase diversity gain. 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IEEE Communications Letters, 18(8), 1447-1450. doi: 10.1109/LCOMM.2014.2332340 UR - https://doi.org/10.29137/umagd.859150 L1 - https://dergipark.org.tr/en/download/article-file/1504506 ER -