Çok Girişli Çok Çıkışlı Sistemler için Güç Tahsisi Algoritmaları

Öz

Çok büyük çok girişli çok çıkışlı sistem (Massive MIMO) beşinci nesil (5G) ve ötesi kablosuz iletişim teknolojilerinin performanslarını geliştirmek için önemli bir sistem olarak hala geçerliliğini korumaktadır. Spektrum verimliliği (SE), enerji verimliliği (EE) bu performanslar arasındadır. Son zamanlarda birbirleriyle bağlantılı cihazların artması, internet of things (IoT) sistemlerin gün geçtikçe yayılması ve buna rağmen kaynakların sınırlı olmasından dolayı çeşitli performans geliştirmeleri kaçınılmaz olmuştur. Massive MIMO ile birlikte bu tür iyileştirmeleri gerçekleştirmek için çeşitli çalışmaların olduğu görülmektedir. Özellikle spektrum verimliliği ve enerji verimliliği için birçok araştırmalar mevcuttur. Çünkü enerji konusu ve bant genişliği problemi ilk olarak çözülmesi ve geliştirilmesi gereken konular arasındadır. Son yıllarda bu iki problemin çözümüne yönelik güç tahsisi algoritmalarına odaklanıldığı anlaşılmaktadır. Bu çalışmada, güç tahsisi algoritmaları hakkındaki araştırmalar incelenmiştir. Çalışmaların temel noktaları üzerinde durulmuştur. Ayrıca temel güç tahsisi algoritmaları arasında yer alacak üç farklı güç tahsisi algoritmasının birbirleri arasında kıyaslaması spektrum verimliliği açısından gerçekleştirilmiştir.

Anahtar Kelimeler

• Güç tahsisi
• Çok girişli çok çıkışlı sistem
• Spektrum verimlilik
• Enerji verimliliği
• 5G

Power Allocation Algorithms for Massive MIMO System

Öz

Massive multiple-input multiple-output (MIMO) is still valid as an important system to increase performance of fifth generation (5G) and beyond wireless communication technologies. Spectrum efficiency (SE), high data rate and energy efficiency (EE) are among these performances. Recently, due to the increase in interconnected devices, the spread of internet of things (IoT) systems and the limited resources, various performance improvements have become inevitable. It is seen that there are various studies to realize such improvements with Massive MIMO. There are many researches especially for spectrum efficiency and energy efficiency. Because issue of energy and bandwidth problem are among the issues that need to be solved and developed first. In recent years, it is understood that power allocation algorithms have been focused on solving these two problems. In this study, researches on power allocation algorithms for MIMO systems are examined. The main points of the studies are emphasized. In addition, the comparison of three different power allocation algorithms, which will be among the basic power allocation algorithms, are carried out in terms of spectrum efficiency.

Anahtar Kelimeler

• Power allocation
• Massive MIMO
• Spectrum efficiency
• Energy efficiency
• 5G

Kaynakça

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