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Institute for Infocomm Research
(53 results)-
White Papers
Minimizing SSO Effort in Verifying SSL Anti-Phishing Indicators
September 5, 2008, 12:00am PDT
In an on-line transaction, a user sends her personal sensitive data (e.g., password) to a server for authentication. This process is known as Single Sign-On (SSO). Subject to phishing and pharming...
Provided by Institute for Infocomm Research
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White Papers
Antisocial Networks: Turning a Social Network Into a Botnet
June 22, 2008, 12:00am PDT
Antisocial Networks are distributed systems based on social networking Web sites that can be exploited by attackers, and directed to carry out network attacks. Malicious users are able to take...
Provided by Institute for Infocomm Research
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White Papers
Video Streaming Over Bluetooth: A Survey
November 6, 2003, 12:00am PST
In recent years, wireless ad hoc networks have been a growing area of research. The advent of Bluetooth wireless technology makes it possible to transmit real-time video/audio in mobile and...
Provided by Institute for Infocomm Research
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White Papers
Efficient Online/Offline Identity-Based Signature for Wireless Sensor Network
April 26, 2010, 12:00am PDT
In this paper, the authors present an online/offline identity-based signature scheme for the Wireless Sensor Network (WSN). The authors argue that due to significant reduction in costs of...
Provided by Institute for Infocomm Research
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White Papers
Failure of a Mix Network
January 1, 2011, 12:00am PST
A mix network by Wikstrom fails in correctness, provable privacy and soundness. Its claimed advantages in security and efficiency are compromised. The analysis in this paper illustrates that...
Provided by Institute for Infocomm Research
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White Papers
Short and Efficient Certificate-Based Signature
February 2, 2011, 12:00am PST
In this paper, the authors propose a short and efficient Certificate-Based Signature (CBS) scheme. Certificate-based cryptography proposed by entry combines the merit of traditional Public Key...
Provided by Institute for Infocomm Research
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White Papers
AES Variants Secure Against Related-Key Differential and Boomerang Attacks
February 11, 2011, 12:00am PST
In this paper, the authors summarize the recent related-key differential and boomerang attacks on AES by Biryukov et al. and present a framework for protection against these attacks. Then they...
Provided by Institute for Infocomm Research
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White Papers
On Two-Way Communications for Cooperative Multiple Source Pairs Through a Multi-Antenna Relay
December 10, 2010, 12:00am PST
The authors study Amplified-and-Forward (AF)-based Two-Way Relaying (TWR) with multiple source pairs, which are exchanging information through the relay. Each source has single antenna and the...
Provided by Institute for Infocomm Research
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White Papers
HoneyLab: Large-Scale Honeypot Deployment and Resource Sharing
July 23, 2009, 12:00am PDT
Honeypots are valuable tools for detecting and analyzing malicious activity on the Internet. Successful and time-critical detection of such activity often depends on large-scale deployment....
Provided by Institute for Infocomm Research
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White Papers
Harnessing the Power of P2P Systems for Fast Attack Signature Validation
July 23, 2009, 12:00am PDT
Attack signature validation plays a key role in intrusion detection and prevention technologies. Usually, when new attacks, particularly worms, appear, security software analyzes and generates...
Provided by Institute for Infocomm Research
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White Papers
Real-World Polymorphic Attack Detection
May 11, 2009, 12:00am PDT
As state-of-the-art attack detection technology becomes more prevalent, attackers have started to employ evasion techniques such as code obfuscation and polymorphism to defeat existing defenses....
Provided by Institute for Infocomm Research
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White Papers
Adaptive Response System for Distributed Denial-of-Service Attacks
January 19, 2009, 12:00am PST
This dissertation presents a Distributed denial-of-service Adaptive ResponsE (DARE) system, capable of executing appropriate detection and mitigation responses automatically and adaptively...
Provided by Institute for Infocomm Research
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Whitepapers
Probabilistic Polling for Multi-Hop Energy Harvesting Wireless Sensor Networks
May 24, 2012, 12:00am PDT
In this paper, the authors propose a Medium Access Control protocol (EH-MAC) for multi-hop Energy Harvesting Wireless Sensor Networks (EH-WSNs). In EH-WSNs, the main goal is to match energy...
Provided by Institute for Infocomm Research
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Whitepapers
Adaptive Opportunistic Routing Protocol for Energy Harvesting Wireless Sensor Networks
May 24, 2012, 12:00am PDT
Using Energy Harvesting WSNs (EH-WSNs) are attractive as they can be solely powered by ambient energy sources. Multi-hop routing is important to achieve wide coverage as the transmission range of...
Provided by Institute for Infocomm Research
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Whitepapers
Optimal Cooperative Sensing for Sensors Equipped With Multiple Antennas
May 24, 2012, 12:00am PDT
This paper considers multi-sensor multi-antenna spectrum sensing. First, it is assumed that all users are able to send their raw data to the fusion center. In this case the global optimal solution...
Provided by Institute for Infocomm Research
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Whitepapers
Relaying Over Multiple Slots With Causal CSI: Optimal Power Allocation for Energy Minimization
May 24, 2012, 12:00am PDT
In this paper, the authors employ a relay to assist in transmission from a source to a destination over a fixed number of time slots. They seek to minimize the expected sum transmission energy...
Provided by Institute for Infocomm Research
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Whitepapers
A Dynamic Wavelength Resource Allocation Capable Passive Optical Network With Shared Transceivers
May 24, 2012, 12:00am PDT
The paper proposes a new PON architecture that applies an Optical Broadcast capable Router (OBR) to route a wavelength to a set of selected PON branches and thus enables the transceivers in the...
Provided by Institute for Infocomm Research
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Whitepapers
Channel Estimation and Training Design for MIMO-OFDM Two-Way Relay Systems
May 24, 2012, 12:00am PDT
Communication based on relaying has been drawn a lot of attentions due to the potentials of extending the communication coverage, enhancing communication qualities. In conventional one-way relay...
Provided by Institute for Infocomm Research
-
Whitepapers
Cooperative MAC Relaying with Multi-Rate Transmissions and Network Coding
March 12, 2012, 12:00am PDT
In this paper, the authors propose a novel scheme that combines both cooperative relaying and network coding for further performance improvement. The proposed scheme considers two challenges of...
Provided by Institute for Infocomm Research
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Whitepapers
Leakage-Resilient Client-Side Deduplication of Encrypted Data in Cloud Storage
August 23, 2012, 12:00am PDT
Cloud storage service is gaining popularity. To reduce resource consumption in network bandwidth and storage, many cloud storage services including Dropbox and Wuala employs client-side...
Provided by Institute for Infocomm Research
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Whitepapers
Enhancing Location Privacy for Electric Vehicles (At The Right Time)
June 15, 2012, 12:00am PDT
An electric vehicle is a promising and futuristic automobile propelled by electric motor(s), using electrical energy stored in batteries or another energy storage device. Due to the need of...
Provided by Institute for Infocomm Research
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Whitepapers
A Survey of Techniques and Challenges in Underwater Localization
November 10, 2010, 12:00am PST
Underwater Wireless Sensor Networks (UWSNs) are expected to support a variety of civilian and military applications. Sensed data can only be interpreted meaningfully when referenced to the...
Provided by Institute for Infocomm Research
-
Whitepapers
Distributed Relay Scheduling for Maximizing Lifetime in Clustered Wireless Sensor Networks
November 30, 2012, 12:00am PST
Clustering and relaying techniques are important approaches towards mitigating the problem of finite network lifetime in wireless sensor networks. To this end, given a clustered Wireless Sensor...
Provided by Institute for Infocomm Research
-
Whitepapers
Opportunistic Routing With Adaptive Harvesting-Aware Duty Cycling in Energy Harvesting WSN
November 30, 2012, 12:00am PST
With recent advances, the trend has shifted from battery-powered Wireless Sensor Networks towards ones powered by ambient energy harvesters (WSN-HEAP). In such networks, operability of the node is...
Provided by Institute for Infocomm Research
-
Whitepapers
A Preliminary Study on Lifetime Maximization in Clustered Wireless Sensor Networks With Energy Harvesting Nodes
July 1, 2011, 12:00am PDT
Clustering is used extensively in wireless sensor networks to optimize lifetime. Within clustering, the optimization of Cluster Head (CH) location is critical since CHs consume energy faster and...
Provided by Institute for Infocomm Research
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Whitepapers
Opportunistic XOR Network Coding for Multihop Data Delivery in Underwater Acoustic Networks
April 11, 2011, 12:00am PDT
This paper proposes XOR-BiDO, a Data Delivery Scheme (DDS) suited for multi-hop underwater acoustic networks characterized by regular bidirectional traffic streams. DDSs for multi-hop underwater...
Provided by Institute for Infocomm Research
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Whitepapers
An Empirical Study of Harvesting-Aware Duty Cycling in Sustainable Wireless Sensor Networks
September 3, 2010, 12:00am PDT
In sustainable wireless sensor networks powered by ambient energy harvesting, node operation highly depends on the energy availability and harvesting rate. For them to support existing wireless...
Provided by Institute for Infocomm Research
-
Whitepapers
Opportunistic ARQ With Bidirectional Overhearing for Reliable Multihop Underwater Networking
March 20, 2010, 12:00am PDT
As reliable data delivery over a long-range single-hop underwater acoustic link is considerably challenging due to severe channel impairments, multi-hop data transmission schemes over one or more...
Provided by Institute for Infocomm Research
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Whitepapers
Underground Wireless Communications for Monitoring of Drag Anchor Embedment Parameters: A Feasibility Study
January 29, 2010, 12:00am PST
In the offshore engineering community, reliable deep-water anchor performance is critical for mooring floating platforms such as mobile offshore drilling units. In a typical installation, an...
Provided by Institute for Infocomm Research
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Whitepapers
An Enhanced Underwater Positioning System to Support Deepwater Installations
August 24, 2009, 12:00am PDT
In the offshore engineering community, deep underwater construction activities such as installation of mooring systems for oil and gas extraction require payloads such as subsea templates,...
Provided by Institute for Infocomm Research
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Whitepapers
Implementation and Evaluation of Multihop ARQ for Reliable Communications in Underwater Acoustic Networks
March 28, 2009, 12:00am PDT
Underwater acoustic networking is an emerging technology platform for oceanographic data collection, pollution monitoring, offshore exploration and tactical surveillance applications. Design of...
Provided by Institute for Infocomm Research
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Whitepapers
An In-Situ Measurement Approach for IEEE 802.11 Wireless Multihop Networks
October 13, 2008, 12:00am PDT
A wireless multi-hop network is a communications network composed of nodes equipped with wireless interfaces and organized in an ad hoc manner. It has become an attractive and practical solution...
Provided by Institute for Infocomm Research
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Whitepapers
Exploring Cognitive Techniques for Bandwidth Management in Integrated Underwater Acoustic Systems
February 9, 2008, 12:00am PST
The richness in the largely unexplored ocean is increasingly fueling research in underwater networks. Unlike their terrestrial counterparts, underwater networks are likely to remain sparse and...
Provided by Institute for Infocomm Research
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Whitepapers
How Many RF Chains Are Optimal for Large-Scale MIMO Systems When Circuit Power Is Considered?
November 21, 2012, 12:00am PST
Multiple antennas at the transmitter and the receiver can increase the channel capacity significantly. However, this is at the expense of linearly increasing circuit power consumption due to the...
Provided by Institute for Infocomm Research
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Whitepapers
On Tractability Aspects of Optimal Resource Allocation in OFDMA Systems
December 11, 2011, 12:00am PST
Joint channel and rate allocation with power minimization in Orthogonal Frequency Division Multiple Access (OFDMA) has attracted extensive attention. Most of the research has dealt with the...
Provided by Institute for Infocomm Research
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Whitepapers
Joint Network-Channel Code Design for Block Fading Cooperative Multiple Access Channel
July 2, 2012, 12:00am PDT
In this paper, the authors consider the half-duplex Cooperative Multiple-Access Channel (CMAC). They seek to design multiple turbo codes to minimize the information outage in the block fading...
Provided by Institute for Infocomm Research
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Whitepapers
Green Wireless Communications: A Power Amplifier Perspective
October 23, 2012, 12:00am PDT
In this paper, the authors survey two essential and practical characteristics of radio-frequency Power Amplifier (PA), namely, linearity and efficiency. Non-linear amplification yields significant...
Provided by Institute for Infocomm Research
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Whitepapers
Relaying With Deadline Constraint: Energy Minimization With Full Channel State Information
February 5, 2012, 12:00am PST
The authors consider a time-slotted source-relay-destination network where data is to be delivered by a deadline. Their goal is to minimize the sum transmission energy by power allocation for each...
Provided by Institute for Infocomm Research
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Whitepapers
Iterative Detection in a Multi-User Cooperative OFDM System With Carrier Frequency Offsets
April 14, 2010, 12:00am PDT
The problem of multi-user cooperation to achieve cooperative diversity for single-antenna terminals is considered. A cooperative strategy is proposed which divides multiple users into groups with...
Provided by Institute for Infocomm Research
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Whitepapers
Cooperative Covariance and Eigenvalue Based Detections for Robust Sensing
March 2, 2010, 12:00am PST
Spectrum sensing is a fundamental problem in cognitive radio. As a result, it has been reborn as a very active research area in recent years despite its long history. Although various sensing...
Provided by Institute for Infocomm Research
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Whitepapers
Cooperative Covariance and Eigenvalue Based Detections for Robust Sensing
March 2, 2010, 12:00am PST
Spectrum sensing is a fundamental problem in cognitive radio. As a result, it has been reborn as a very active research area in recent years despite its long history. Although various sensing...
Provided by Institute for Infocomm Research
-
Whitepapers
Iterative Detection in a Multi-User Cooperative OFDM System With Carrier Frequency Offsets
April 14, 2010, 12:00am PDT
The problem of multi-user cooperation to achieve cooperative diversity for single-antenna terminals is considered. A cooperative strategy is proposed which divides multiple users into groups with...
Provided by Institute for Infocomm Research
-
Whitepapers
Relaying With Deadline Constraint: Energy Minimization With Full Channel State Information
February 5, 2012, 12:00am PST
The authors consider a time-slotted source-relay-destination network where data is to be delivered by a deadline. Their goal is to minimize the sum transmission energy by power allocation for each...
Provided by Institute for Infocomm Research
-
Whitepapers
Green Wireless Communications: A Power Amplifier Perspective
October 23, 2012, 12:00am PDT
In this paper, the authors survey two essential and practical characteristics of radio-frequency Power Amplifier (PA), namely, linearity and efficiency. Non-linear amplification yields significant...
Provided by Institute for Infocomm Research
-
Whitepapers
Joint Network-Channel Code Design for Block Fading Cooperative Multiple Access Channel
July 2, 2012, 12:00am PDT
In this paper, the authors consider the half-duplex Cooperative Multiple-Access Channel (CMAC). They seek to design multiple turbo codes to minimize the information outage in the block fading...
Provided by Institute for Infocomm Research
-
Whitepapers
On Tractability Aspects of Optimal Resource Allocation in OFDMA Systems
December 11, 2011, 12:00am PST
Joint channel and rate allocation with power minimization in Orthogonal Frequency Division Multiple Access (OFDMA) has attracted extensive attention. Most of the research has dealt with the...
Provided by Institute for Infocomm Research
-
Whitepapers
How Many RF Chains Are Optimal for Large-Scale MIMO Systems When Circuit Power Is Considered?
November 21, 2012, 12:00am PST
Multiple antennas at the transmitter and the receiver can increase the channel capacity significantly. However, this is at the expense of linearly increasing circuit power consumption due to the...
Provided by Institute for Infocomm Research
-
Whitepapers
Exploring Cognitive Techniques for Bandwidth Management in Integrated Underwater Acoustic Systems
February 9, 2008, 12:00am PST
The richness in the largely unexplored ocean is increasingly fueling research in underwater networks. Unlike their terrestrial counterparts, underwater networks are likely to remain sparse and...
Provided by Institute for Infocomm Research
-
Whitepapers
An In-Situ Measurement Approach for IEEE 802.11 Wireless Multihop Networks
October 13, 2008, 12:00am PDT
A wireless multi-hop network is a communications network composed of nodes equipped with wireless interfaces and organized in an ad hoc manner. It has become an attractive and practical solution...
Provided by Institute for Infocomm Research
-
Whitepapers
Implementation and Evaluation of Multihop ARQ for Reliable Communications in Underwater Acoustic Networks
March 28, 2009, 12:00am PDT
Underwater acoustic networking is an emerging technology platform for oceanographic data collection, pollution monitoring, offshore exploration and tactical surveillance applications. Design of...
Provided by Institute for Infocomm Research
-
Whitepapers
An Enhanced Underwater Positioning System to Support Deepwater Installations
August 24, 2009, 12:00am PDT
In the offshore engineering community, deep underwater construction activities such as installation of mooring systems for oil and gas extraction require payloads such as subsea templates,...
Provided by Institute for Infocomm Research
-
Whitepapers
Underground Wireless Communications for Monitoring of Drag Anchor Embedment Parameters: A Feasibility Study
January 29, 2010, 12:00am PST
In the offshore engineering community, reliable deep-water anchor performance is critical for mooring floating platforms such as mobile offshore drilling units. In a typical installation, an...
Provided by Institute for Infocomm Research
-
Whitepapers
Opportunistic ARQ With Bidirectional Overhearing for Reliable Multihop Underwater Networking
March 20, 2010, 12:00am PDT
As reliable data delivery over a long-range single-hop underwater acoustic link is considerably challenging due to severe channel impairments, multi-hop data transmission schemes over one or more...
Provided by Institute for Infocomm Research
-
Whitepapers
An Empirical Study of Harvesting-Aware Duty Cycling in Sustainable Wireless Sensor Networks
September 3, 2010, 12:00am PDT
In sustainable wireless sensor networks powered by ambient energy harvesting, node operation highly depends on the energy availability and harvesting rate. For them to support existing wireless...
Provided by Institute for Infocomm Research
-
Whitepapers
Opportunistic XOR Network Coding for Multihop Data Delivery in Underwater Acoustic Networks
April 11, 2011, 12:00am PDT
This paper proposes XOR-BiDO, a Data Delivery Scheme (DDS) suited for multi-hop underwater acoustic networks characterized by regular bidirectional traffic streams. DDSs for multi-hop underwater...
Provided by Institute for Infocomm Research
-
Whitepapers
A Preliminary Study on Lifetime Maximization in Clustered Wireless Sensor Networks With Energy Harvesting Nodes
July 1, 2011, 12:00am PDT
Clustering is used extensively in wireless sensor networks to optimize lifetime. Within clustering, the optimization of Cluster Head (CH) location is critical since CHs consume energy faster and...
Provided by Institute for Infocomm Research
-
Whitepapers
Opportunistic Routing With Adaptive Harvesting-Aware Duty Cycling in Energy Harvesting WSN
November 30, 2012, 12:00am PST
With recent advances, the trend has shifted from battery-powered Wireless Sensor Networks towards ones powered by ambient energy harvesters (WSN-HEAP). In such networks, operability of the node is...
Provided by Institute for Infocomm Research
-
Whitepapers
Distributed Relay Scheduling for Maximizing Lifetime in Clustered Wireless Sensor Networks
November 30, 2012, 12:00am PST
Clustering and relaying techniques are important approaches towards mitigating the problem of finite network lifetime in wireless sensor networks. To this end, given a clustered Wireless Sensor...
Provided by Institute for Infocomm Research
-
Whitepapers
A Survey of Techniques and Challenges in Underwater Localization
November 10, 2010, 12:00am PST
Underwater Wireless Sensor Networks (UWSNs) are expected to support a variety of civilian and military applications. Sensed data can only be interpreted meaningfully when referenced to the...
Provided by Institute for Infocomm Research
-
Whitepapers
Enhancing Location Privacy for Electric Vehicles (At The Right Time)
June 15, 2012, 12:00am PDT
An electric vehicle is a promising and futuristic automobile propelled by electric motor(s), using electrical energy stored in batteries or another energy storage device. Due to the need of...
Provided by Institute for Infocomm Research
-
Whitepapers
Leakage-Resilient Client-Side Deduplication of Encrypted Data in Cloud Storage
August 23, 2012, 12:00am PDT
Cloud storage service is gaining popularity. To reduce resource consumption in network bandwidth and storage, many cloud storage services including Dropbox and Wuala employs client-side...
Provided by Institute for Infocomm Research
-
Whitepapers
Cooperative MAC Relaying with Multi-Rate Transmissions and Network Coding
March 12, 2012, 12:00am PDT
In this paper, the authors propose a novel scheme that combines both cooperative relaying and network coding for further performance improvement. The proposed scheme considers two challenges of...
Provided by Institute for Infocomm Research
-
Whitepapers
Channel Estimation and Training Design for MIMO-OFDM Two-Way Relay Systems
May 24, 2012, 12:00am PDT
Communication based on relaying has been drawn a lot of attentions due to the potentials of extending the communication coverage, enhancing communication qualities. In conventional one-way relay...
Provided by Institute for Infocomm Research
-
Whitepapers
A Dynamic Wavelength Resource Allocation Capable Passive Optical Network With Shared Transceivers
May 24, 2012, 12:00am PDT
The paper proposes a new PON architecture that applies an Optical Broadcast capable Router (OBR) to route a wavelength to a set of selected PON branches and thus enables the transceivers in the...
Provided by Institute for Infocomm Research
-
Whitepapers
Relaying Over Multiple Slots With Causal CSI: Optimal Power Allocation for Energy Minimization
May 24, 2012, 12:00am PDT
In this paper, the authors employ a relay to assist in transmission from a source to a destination over a fixed number of time slots. They seek to minimize the expected sum transmission energy...
Provided by Institute for Infocomm Research
-
Whitepapers
Optimal Cooperative Sensing for Sensors Equipped With Multiple Antennas
May 24, 2012, 12:00am PDT
This paper considers multi-sensor multi-antenna spectrum sensing. First, it is assumed that all users are able to send their raw data to the fusion center. In this case the global optimal solution...
Provided by Institute for Infocomm Research
-
Whitepapers
Adaptive Opportunistic Routing Protocol for Energy Harvesting Wireless Sensor Networks
May 24, 2012, 12:00am PDT
Using Energy Harvesting WSNs (EH-WSNs) are attractive as they can be solely powered by ambient energy sources. Multi-hop routing is important to achieve wide coverage as the transmission range of...
Provided by Institute for Infocomm Research
-
Whitepapers
Probabilistic Polling for Multi-Hop Energy Harvesting Wireless Sensor Networks
May 24, 2012, 12:00am PDT
In this paper, the authors propose a Medium Access Control protocol (EH-MAC) for multi-hop Energy Harvesting Wireless Sensor Networks (EH-WSNs). In EH-WSNs, the main goal is to match energy...
Provided by Institute for Infocomm Research
-
Whitepapers
On Shortening Ciphertexts: New Constructions for Compact Public Key and Stateful Encryption Schemes
November 16, 2010, 12:00am PST
In response to calling for versatile security services, more and more public key cryptographic algorithms are being implemented on small devices. However, one of the big challenges one has to face...
Provided by Institute for Infocomm Research
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Whitepapers
Identity-Based Server-Aided Decryption
April 25, 2011, 12:00am PDT
Identity-based cryptosystem plays an important role in the modern cryptography world, due to the elimination of the costly certificate. However, all practical identity-based encryption schemes...
Provided by Institute for Infocomm Research
-
White Papers
Application Based Distance Measurement for Context Retrieval in Ubiquitous Computing
July 6, 2007, 12:00am PDT
Building large-scale smart environments is one of the long-term goals of ubiquitous computing. The widespread of context information in such environments necessitates an effective context...
Provided by Institute for Infocomm Research
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White Papers
Three-Time-Slot Quasi-Orthogonal Space-Time Block Codes
September 28, 2009, 12:00am PDT
In this paper, a class of Quasi-orthogonal Space-Time Block Codes (Q-STBC) is proposed for systems with 2 antennas and 3 time slots, where the orthogonal Alamouti code can not be applied due to...
Provided by Institute for Infocomm Research
-
White Papers
Four Transmit Diversity Schemes for Coded OFDM Systems With Four Transmit Antennas
September 1, 2008, 12:00am PDT
The authors compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely Cyclic Shift Diversity (CSD),...
Provided by Institute for Infocomm Research
-
White Papers
Design and Analysis of Fuzzy Extractors for Faces
March 20, 2009, 12:00am PDT
It is both crucial and challenging to protect biometric data used for biometric identification and authentication systems, while keeping the systems user-friendly. The authors study the design and...
Provided by Institute for Infocomm Research
-
White Papers
BER Minimization in Relay-Assisted OFDM Systems by Subcarrier Permutation
February 11, 2008, 12:00am PST
The authors consider relay-assisted communications from a source to a destination based on OFDM. The relay performs subcarrier permutation by exploiting full Channel State Information (CSI), in...
Provided by Institute for Infocomm Research
-
White Papers
Optimal Energy Allocation for Wireless Communications Powered by Energy Harvesters
April 30, 2010, 12:00am PDT
The authors consider the use of energy harvesters, in place of conventional batteries with fixed energy storage, for point-to-point wireless communications. In addition to the challenge of...
Provided by Institute for Infocomm Research
-
White Papers
Cooperative Retransmissions Using Markov Decision Process With Reinforcement Learning
June 16, 2009, 12:00am PDT
In cooperative retransmissions, nodes with better channel qualities help other nodes in retransmitting a failed packet to its intended destination. In this paper, the authors propose a cooperative...
Provided by Institute for Infocomm Research
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White Papers
A Cooperative Retransmission Scheme for IR-UWB Networks
June 18, 2008, 12:00am PDT
The authors design a cooperative retransmission scheme in the MAC layer which utilizes the UWB unique properties such as fine ranging and immunity to small scale fading in order to exploit the...
Provided by Institute for Infocomm Research
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White Papers
A Privacy-Preserving Secure Service Discovery Protocol for Ubiquitous Computing Environments
October 14, 2010, 12:00am PDT
Recently, numerous service discovery protocols have been introduced in the open literature. Unfortunately, many of them did not consider security issues, and for those that did, many security and...
Provided by Institute for Infocomm Research
-
White Papers
Adaptive Response System for Distributed Denial-of-Service Attacks
January 19, 2009, 12:00am PST
This dissertation presents a Distributed denial-of-service Adaptive ResponsE (DARE) system, capable of executing appropriate detection and mitigation responses automatically and adaptively...
Provided by Institute for Infocomm Research
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