- Cooperative Communication and Network Coding
- Advanced MIMO Systems Optimization
- Cognitive Radio Networks and Spectrum Sensing
- Advanced Optical Network Technologies
- Wireless Communication Networks Research
- Advanced Photonic Communication Systems
- Optical Network Technologies
- Wireless Communication Security Techniques
- Advanced Wireless Network Optimization
- Advanced Adaptive Filtering Techniques
- Power Line Communications and Noise
- Railway Systems and Energy Efficiency
- Wireless Networks and Protocols
- Advanced Wireless Communication Techniques
- Advanced Wireless Communication Technologies
Islamic Azad University Central Tehran Branch
2017-2021
Islamic Azad University, Science and Research Branch
2014
Sharif University of Technology
2014
In this paper, we present a comprehensive model to address three-dimensional resource assignment (3D-RA) in space division multiplexing elastic optical networks using few-mode multi-core fibers (FM-MCFs). Accordingly, new 3D-RA algorithms which the consequential resources include spectrum, modes, and cores. We consider all spectral spatial diversity types FM-MCFs introduce five scenarios including (i) single-mode single-core (SMSC), (ii) (SMMC), (iii) multi-mode (MMSC), (iv) (MMMC), finally,...
In this paper, we study the quality of transmission (QoT) aware routing, modulation level, and resource assignment problem for transparent flexible optical networks over few-mode multi-core fibers. We consider two three-dimensional (3DRA) algorithms, called liberal conservative, that are compatible with fractional joint switching. The three dimensions core, mode, spectrum. Furthermore, analyze modulation-level selection (MLS) algorithms (one on-line one off-line) path (favoring shortest...
In this paper we compare the response of linear and nonlinear neural network-based prediction schemes in received Signal-to-Interference Power Ratio (SIR) Direct Sequence Code Division Multiple Access (DS/CDMA) systems. The predictor is Multilayer Perceptron MLP an Adaptive Linear (Adaline) predictor. We solve problem complexity by using Minimum Mean Squared Error (MMSE) principle to select optimal predictors. optimized Adaline compared employing noisy Rayleigh fading signals with 1.8 GHZ...
In this study, the three‐user interference channel (IFC) with common information is considered, where each receiver decode not only private message from intended transmitter but also messages non‐intended transmitters by applying a simultaneous decoding scheme. An achievable rate region presented using splitting and superposition encoding at joint receivers in which cooperatively send split allows cancellation receivers. The implicit form of extended to K ‐user IFC information. Finally inner...
In this paper , we optimize the resource Allocation management by using game-Theory . can number of users in allocation user-sub-channel-soap matching algorithm (USMA) for non-orthogonal multiple access fifth-generation networks increase user and NOMA that is to accessible 63 users. This method reduces interference between which include costs other
Abstract High‐speed railway (HSR) is one of the most important modes passenger transport with many advantages, such as; safety, high capacity, short intervals, and comfort. To provide speed mobile data to passengers HSR for infotainment services, best option LTE or LTE‐R. The LTE‐R a specialized network under development. very trains in HSR, which are far faster than conventional commuters, counteracts seamless service deteriorates QoS mainly due handover (HO) failure when user equipment...