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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…
Ch. V. Rama Rao, M. B. Rama Murthy, K. Srinivasa Rao
Traditional noise reduction techniques have the drawback of generating an annoying musical noise. A new scheme for speech enhancement in high noise environment is developed by considering human auditory system masking characteristics. The new scheme considers…
Demin LI, Jiacun WANG, Liping ZHANG, Hao LI, Jie ZHOU
A mobile ad hoc network (MANET) is a kind of wireless ad hoc network. It is a self-configuring network of mobile routers connected by wireless links. Since MANETs do not have a fixed infrastructure, it is a chal-lenge to design a location management scheme th…
Jaein JEONG
We present a network stack implementation for a wireless sensor platform based on a byte-level radio. The network stack provides error-correction code, multi-channel capability and reliable communication for a high packet reception rate as well as a basic pac…
Wenchuan YANG, Fang FANG
Keystroke rhythm identification, which extracts biometric characteristics through keyboards without addi-tional expensive devices, is a kind of biometric identification technology. The paper proposes a dynamic identity authentication model based on the improv…
Costas CHAIKALIS, Nicholas S. SAMARAS
For the well-known 3G mobile communications standard UMTS, four different service classes have been specified. Considering two turbo decoding algorithms, like SOVA and log-MAP, it would be desirable to use an efficient turbo decoder. In this paper this decode…
Meghan GUNN, Simon G. M. KOO
One of the major constraints in wireless sensor networks (WSNs) is power consumption. In recent years, a lot of efforts have been put into the design of medium access control (MAC) protocols for WSN, in order to reduce energy consumption and enhance the netwo…
JeongHee CHA, GyeYoung KIM, HyungIl CHOI
In realistic simulation of mobile Augmented Reality, essential point is how to best depict occluded area in such a way that the user can correctly infer the depth relationships between real and virtual objects. However, if the constructed 3D map of real world…
Arjuna SATHIASEELAN
Studies have shown that packet reordering is common, especially in satellite networks where there are link level retransmissions and multipath routing. Moreover, traditional satellite networks exhibit high corruption rates causing packet losses. Reordering an…
Bin WANG, Jinkuan WANG, Xin SONG, Fulai LIU
Cognitive radar is a new framework of radar system proposed by Simon Haykin recently. Adaptive waveform selection is an important problem of intelligent transmitter in cognitive radar. In this paper, the problem of adaptive waveform selection is modeled as st…
Kamal MOHAMED-POUR, Hossein EBRAHIMI
In this paper, Multiband-OFDM UWB system based on IEEE 802.15.3a standard is studied and simulated with spatial, time and frequency (STF)coding scheme. The using of STF coding method can guarantee both full symbol rate and full diversity advantages. The simul…
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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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