Information Networking. Convergence in Broadband and Mobile Networking
International Conference, ICOIN 2005, Jeju Island, Korea, January 31- February 2, 2005. Proceedings
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Article
The Optimal Spectrum Sensing Time for Maximizing Throughput of 802.11-Based MAC Protocol for Cognitive Radio Networks Under Unsaturated Traffic Conditions
Cognitive radio has attracted considerable attention as an enabling technology for addressing the problem of radio frequency shortages. In cognitive radio networks (CRNs), secondary users (SUs) are allowed to ...
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Article
Distributed Sequential Access MAC Protocol for Single-Hop Wireless Networks
Medium access control overhead is the primary reason for low throughput in wireless networks. Performing blind contentions, contentions without any information of other contenders, and exchanging control messa...
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Article
IO–MAC: An Enhancement of IEEE 802.11 DCF Using Implicit Ordering
In this paper, we present a novel medium access control protocol which is based on the IEEE 802.11 distributed coordination function (DCF) and embeds new capability allowing stations to make use of implicit or...
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Article
Fast Primary User Detection during Ongoing Opportunistic Transmission in OFDM-based Cognitive Radio
Cognitive radio requires that a secondary user (SU) stops its transmission as soon as possible upon the arrival of a primary user (PU). In this paper, we propose a novel approach to quickly detect PUs while an...
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Article
Distributed and localized construction of routing structure for sensor data gathering
Several routing structures have been proposed for data gathering in a wireless sensor network. They are considered to be near-optimal with respect to energy efficiency or delivery delay, but they overlook the ...
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Chapter and Conference Paper
Traffic-Aware MAC Protocol Using Adaptive Duty Cycle for Wireless Sensor Networks
Most of sensor MAC protocols have a fixed duty cycle, which performs poorly under the dynamic traffic condition observed in event-driven sensor applications such as surveillance, fire detection, and object-tra...
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Article
mMOM: Efficient Mobile Multicast Support Based on the Mobility of Mobile Hosts
The IETF Mobile IP is the dominant standard for IP mobility support and defines two multicast options for providing multicast to mobile hosts (MHs): remote subscription (RS) and bi-directional tunneling (BT). ...
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Chapter and Conference Paper
Optimal Transmission Range for Topology Management in Wireless Sensor Networks
Topology management protocols aim to minimize the number of nodes in densely distributed sensor networks that constitute the topology. Most protocols construct the topology with a fixed transmission range (i.e...
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Book and Conference Proceedings
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Chapter and Conference Paper
An Efficient Backup Path Selection Algorithm in MPLS Networks
The rapid growth of real-time and multimedia traffic over IP networks makes not only QoS guarantees but also network survivability more critical. This paper proposes an efficient algorithm which supports end-t...
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Chapter and Conference Paper
S-RO: Simple Route Optimization Scheme with NEMO Transparency
Network mobility (NEMO) basic support protocol maintains the connectivity when mobile router (MR) changes its point of attachment to the Internet by establishing a bidirectional tunnel between MR and Home Agen...
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Chapter and Conference Paper
Deterministic Edge-to-Edge Delay Bounds for a Flow in a DiffServ Network Domain
It is important to understand delay bounds of an individual flow in the Internet in order to provide real-time applications such as Voice over IP (VoIP). In this paper, we study the deterministic bounds on edg...
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Chapter and Conference Paper
Low-Latency Non-predictive Handover Scheme in Mobile IPv6 Environments
In IP-based wireless/mobile networks, minimizing handover latency is one of the most important issues. Fast handover mobile IPv6 (FMIPv6) reduces the handover latency by handover prediction with link-layer inf...
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Chapter and Conference Paper
Periodic Communication Support in Multiple Access Networks Exploiting Token with Timer
Timed token medium access protocols are widely adopted in real-time multiple access networks because of bounded access time. However, timed token protocols inadequately provide periodic communication service, ...
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Chapter and Conference Paper
Group-Based Location Management Scheme in Personal Communication Networks
Signaling overhead incurred in location management becomes significant in PCS (Personal Communication Systems), especially with many users of high mobility. In such cases, an efficient location management sche...
