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International Journal of Communications, Network and System Sciences is an international journal dedicated to the latest advancements in communications, network and system Science. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in the areas. This journal inv…
Ayodeji J. Bamisaye, Michael O. Kolawole
In CDMA communication systems, all the subscribers share the common channel. The limitation factor on the system’s capacity is not the bandwidth, but multiuser interference and the near far problem. This paper models CDMA system from the perspective of mobile…
Satyananda Champati Rai, Bijan Bihari Misra, Ajit Kumar Nayak, Rajib Mall, Sateesh Kumar Pradhan
We propose a multi-objective Pareto-optimal technique using Genetic Algorithm (GA) for group communication, which determines a min-cost multicast tree satisfying end-to-end delay, jitter, packet loss rate and blocking probability constraints. The model incorp…
Donglin Wang, Sandeep Chandana
This paper proposes two nonlinear blind equalizers: the nonlinear constant modulus algorithm (NCMA) and the nonlinear modified constant modulus algorithm (NCMA) by applying a nonlinear transfer function (NTF) into constant modulus algorithm (CMA) and modified…
Kuncha Sahadevaiah, Oruganti Bala Venkata Ramanaiah
A Mobile Ad hoc NETwork (MANET) is a self-organizing, temporary, infrastructure-free, multi-hop, dynamic topology wireless network that contains collection of cooperative autonomous freely roaming mobile nodes. The nodes communicate with each other by wireles…
Zahoor Ahmed Baloch, Mohammad Usman Baloch, Noor Hussain
Unlike most of the existing methods in Space Time coding (STC) system which focus on design of STC gaining full rate and/or maximum diversity, we propose an approach to improve spectral efficiency of the code. The proposed scheme carries more information symb…
Naim Khodor, Jean-pierre Cances, Vahid Meghdadi, Raymond Quere
In this paper, we propose to generalize the coding schemes first proposed by Kozic & al to high spectral efficient modulation schemes. We study at first Chaos Coded Modulation based on the use of small dimensional modulo-MAP encoding process and w…
Muhammad Khurram Kiyani, Muhammad Usman Ahmed, Asim Loan
In this paper a frequency offset estimation technique for Wireless Local Area and Wireless Metropolitan Ar- ea Networks is presented. For frequency offset estimation, we have applied a low-complexity frequency offset estimator for simple AWGN channels to fadi…
Lingxi Wu, Jie Zhan, Qiange He, Shuiyan He
Analysis is done on the inter-carrier interference (ICI) that caused by multi-carrier communication system frequency offset. The application model of DFT/IDFT in ADSL access network is analyzed further; the hardware detection and software analysis scheme of t…
Dilshad Mahjabeen, Aminul Haque Mohammed Sayem, Anis Ahmed, Shahida Rafique
Fourth generation wireless communication systems feel the necessity of transparent and seamless user roaming with end-to-end connectivity. These systems also demand higher data rate, higher mobility support and QoS guarantees due to rapid development of wirel…
Chilukuri Kalyana Chakravarthy, Prasad Reddy
Orthogonal Frequency-Division Multiple Access (OFDMA) systems have attracted considerable attention through technologies such as 3GPP Long Term Evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX). OFDMA is a flexible multiple-access te…
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International Journal of Communications, Network and System Sciences is an international journal dedicated to the latest advancements in communications, network and system Science. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in the areas. This journal inv… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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