Wireless software-defined networks (W-SDNs) and network function virtualization (NFV) for 5G cellular systems: an overview and qualitative evaluation
Akyildiz, Ian F.
MetadataShow full item record
Akyildiz, Ian F.; Lin, Shih-Chun; Wang, Pu. 2015. Wireless software-defined networks (W-SDNs) and network function virtualization (NFV) for 5G cellular systems: an overview and qualitative evaluation. Computer Networks, vol. 93:pt. 1:pp 66–79
Cellular network technologies have evolved to support the ever-increasing wireless data traffic, which results from the rapidly-evolving Internet and widely-adopted cloud applications over wireless networks. However, hardware-based designs, which rely on closed and inflexible architectures of current cellular systems, make a typical 10-year cycle for a new generation of wireless networks to be standardized and deployed. To overcome this limitation, the concept of software-defined networking (SON) has been proposed to efficiently create centralized network abstraction with the provisioning of programmability over the entire network. Moreover, the complementary concept of network function virtualization (NFV) has been further proposed to effectively separate the abstraction of functionalities from the hardware by decoupling the data forwarding plane from the control plane. These two concepts provide cellular networks with the needed flexibility to evolve and adapt according to the ever-changing network context and introduce wireless software-defined networks (W-SDNs) for 5G cellular systems. Thus, there is an urgent need to study the fundamental architectural principles underlying a new generation of software-defined cellular network as well as the enabling technologies that supports and manages such emerging architecture. In this paper, first, the state-of-the-art W-SDNs solutions along with their associated NFV techniques are surveyed. Then, the key differences among these W-SDN solutions as well as their limitations are highlighted. To counter those limitations, SoftAir, a new SON architecture for 5G cellular systems, is introduced.
Click on the DOI link to access the article (may not be free).
Showing items related by title, author, creator and subject.
Bhatia, Anuj (Wichita State University, 2007-07)Airline companies are always looking for various services they can offer to differentiate them from others and increase there market share. On the other hand passengers in the aircraft always want to be in touch with the ...
Predicting engineering student attrition risk using a probabilistic neural network and comparing results with a backpropagation neural network and logistic regression Mason, Cindi R.; Twomey, Janet M.; Wright, David W.; Whitman, Lawrence E. (Springer Nature, 2018-05)As the need for engineers continues to increase, a growing focus has been placed on recruiting students into the field of engineering and retaining the students who select engineering as their field of study. As a result ...
Performance analysis of relay network using partial Compute-and-Forward scheme and Physical-layer Network Coding Gavvala, Navyatha (Wichita State University, 2011-12)In this thesis, the bit error rate (BER) performance of a relay network using both a partial compute-and-forward (PCF) strategy and a decode-and-forward (DF) strategy is studied. The system model considered is a relay ...