11 Result(s)
within
Chapter
Won-Joo Hwang
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Chapter and Conference Paper
Energy Efficiency in QoS Constrained 60 GHz Millimeter-Wave Ultra-Dense Networks
Millimeter-Wave (mmWave) communication in ultra-dense networks (UDNs) has been considered as a promising technology for future wireless communication systems. Exploiting the benefits of mmWave and UDNs, we int...
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Chapter and Conference Paper
Outage Probability for Cognitive Heterogeneous Networks with Unreliable Backhaul Connections
To enhance the spectrum scarcity of cooperative heterogeneous networks (HetNets) with unreliable backhaul connections, we examine the impact of cognitive spectrum sharing over multiple small-cell transmitters ...
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Chapter and Conference Paper
Coding DNA Sequence Watermarking
This paper presents a coding sequence watermarking on lifting based DWT domain and brings up the availability of frequency domain watermarking for DNA sequence. The proposed scheme allocates codons to numerica...
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Chapter and Conference Paper
A Watermarking Scheme for Coding DNA Sequences Using Codon Circular Code
This paper discusses DNA watermarking for authentication, privacy protection, and the prevention of illegal copying and mutation of DNA sequences. We propose a DNA watermarking scheme that provides mutation ro...
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Chapter and Conference Paper
An Efficient Power Control Scheme for Spectrum Mobility Management in Cognitive Radio Sensor Networks
In cognitive radio sensor networks, following the conventional scheme, a secondary user is always required to execute handoff procedure when detecting appearance of a primary user. That makes performance of th...
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Chapter
On Solvability of the Rate Control Problem in Wired-cum-Wireless Networks
In a wired-cum-wireless network, the rate control problem is a difficult optimization problem. This chapter addresses the solvability of the optimization problem, where the optimization variables are both end-...
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Chapter and Conference Paper
Collision Prevention for Exploiting Spatial Reuse in Ad Hoc Network Using Directional Antenna
To improve the performance of a wireless Ad Hoc network at the MAC layer, one way is to prevent collision and allow spatial reuse among neighbor nodes as much as possible. In this paper, we present a novel MAC...
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Chapter and Conference Paper
Optimization and Routing Discovery for Ad Hoc Wireless Networks: A Cross Layer Approach
Wireless communication links are time-varying in nature, causing degradation of network’s performance; this however, could be alleviated by allowing cross layer interaction in the protocol stack. Hence, optimi...
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Chapter and Conference Paper
Design and Emulation of Integration Framework for Heterogeneous Wireless PAN Networks
WPANs (Wireless personal area networks) vary greatly by nature with regard to requirements such as data rate, coverage, subscriber volume, and supported mobile velocity. Mobile devices with multiple network in...
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Chapter and Conference Paper
Multicast Algorithms Using Status of Receivers in WDM Broadcast Network for CDN
Multicasting the multimedia content usually requires broader bandwidth than unicasting service and accordingly WDM broadcast network has been highly recommended for the infrastructure network of CDN(Content De...
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Chapter and Conference Paper
Adaptive Playout Algorithm Using Packet Expansion for the VoIP
Internet telephony means placing telephone call over the Internet which providing “best effort” service only instead of Public Switched telephone networks. Because of this, Internet telephony cannot guarantee ...
