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Toplam kayıt 216, listelenen: 31-40
Dictionary learning-based beamspace channel estimation in millimeter-wave massive mimo systems with a lens antenna array
(Institute of Electrical and Electronics Engineers Inc., 2019)
Recent research considers the application of a lens antenna array in order to provide efficient beam selection in beamspace massive MIMO. Achieving the advantages of this beam selection paradigm requires efficient channel ...
Selection of waveform parameters using machine learning for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2019)
Flexibility is one of the essential requirements for future cellular communications technologies. Providing customized communications solutions for each user and service type cannot be possible without the flexibility in ...
Performance analysis of frequency domain im schemes under CFO and IQ imbalance
(Institute of Electrical and Electronics Engineers Inc., 2019)
Next generation of mobile networks is the key area of research with increasing demand for new applications and use cases. In order to satisfy the applications with high data rate, high reliability, and low latency, ...
E-Retailing practices in mobile marketing: The case of getir application
(IGI Global, 2019)
Today, the Internet has become a frequently-used tool in trading information, products, and services. Together with the transformations in the Internet, new media, and mobile technologies, the retail sector is also developing ...
Digital era and new methods for employee recruitment
(IGI Global, 2019)
The ever-increasing digitalization in today's business processes-and incredibly fast-growing markets- have created a more competitive business environment. And, this more competitive business environment has led companies ...
Electronic trade and electronic presentation of export documents in documentary credits
(IGI Global, 2019)
Documentation plays a very important role in international trade. Information technology has changed practises in international trade as well. In this chapter, international rules of electronic presentation of documents ...
Sparse coding for transform domain-based sparse OFDM channel estimation
(IEEE-Inst Electrical Electronics Engineering Inc, 2019)
In orthogonal frequency division multiplexing (OFDM) systems, frequency domain pilot-aided channel estimation is based on interpolating a down-sampled version of the channel frequency response. This is achieved by transforming ...
Platelet to lymphocyte ratio is associated with tumour localization and outcomes in patients with metastatic colorectal cancer
(Oxford University Press, 2019)
Background The prognostic importance of platelet-to-lymphocyte ratio(PLR)has been also investigated in some cancer types including colorectal cancer (CRC).Several studies have found that PLR is associated with poor prognosis ...
Digitalization of human resources: E-HR
(IGI Global, 2019)
Recent decades brought about astonishing technologies that affected organizations in several ways. With the latest developments, organizations earned the capabilities to carry out their functions more efficiently and ...
Evaluation of stress distribution in critical anatomic regions following the Le Fort I osteotomy by three-dimensional finite element analysis
(Churchill Livingstone, 2019)
In this study, we aimed to measure the stresses both on the pterygoid plates and the cranial base during the down-fracture and at the time of pterygomaxillary osteotomy by using the finite element analysis method to have ...