Hong, Yu-Ju. Ph.D., Purdue University, December 2013. Mitigating the cost, performance, and power overheads induced by load variations in multicore cloud servers. Major Professor: Mithuna Thottethodi. Load variations whether in space or time pose a significant challenge to system designers. These load variations may induce inefficiencies such as load imbalance and overprovisioning, resulting in...

Machine to machine (M2M) communication, which is also known as machine type communication (MTC), is one of the most fascinating parts of mobile communication technology and also an important practical application of the Internet of Things. The main objective of this type of communication, is handling massive heterogeneous devices with low network overheads and high security guarantees. Hence, v...

Real time tasks scheduling on a distributed system is complex problem. The existing real techniques are primarily based partitioned and global scheduling. In the assigned dedicated processor. advantages of approach uni-processor can be used; no migration overheads but task assignment NP hard problem optimal utilization processing nodes not possible. all maintained in single queue allocated to m...

We present a privacy-preserving indoor localization scheme based on received signal strength measurements, e.g., from WiFi access points. Our preserves the privacy of both client's location and service provider's database by using secure two-party computation instantiated with known cryptographic primitives, namely, Paillier encryption garbled circuits. describe number optimizations that reduce...

This study discusses the problem of key distribution protocol in IoT systems especially smart grids for two modes communication: Unicast and multicast. In present paper, we suggested protocols both unicast multicast communication. The proposed schemes are based on symmetric encryption with cryptographic primitives: Hashes nonces. addition, is a logical hierarchy to reduce communication computat...

Computing with quantum states may be the most efficient approach to solving some problems which take exponential time on conventional computers. Quantum states, however, are short-lived without constant error correction involving tremendous overheads. We propose to reduce these overheads by storing quantum data in a hierarchical structure. Large groups of quantum bits can be encoded together to...

We investigate the effects of different silence modelling strategies in Weighted Finite-State Transducers for Automatic Speech Recognition. We show that the choice of silence models, and the way they are included in the transducer, can have a significant effect on the size of the resulting transducer; we present a means to prevent particularly large silence overheads. Our conclusions include th...

We present an information theoretic analysis of the minimum routing overhead incurred for reliable routing of packets using location-based routing. We formulate the minimum routing overhead problem as a rate-distortion problem and derive a lower bound on the minimum routing overhead incurred. We also characterize the deficit in transport capacity caused by the routing overheads. It is observed ...

As an effectual simple wireless equivalent created in the telecommunications (telephone) industry, Wireless Asynchronous Transfer Mode (WATM) is utilized to stream unified traffics like video, data, and voice data. In asynchronous data transfer mode, a packet with same medium, share networks burst Effective WATM transmission requires extensive array of designs, techniques used for control, simu...

This article is concerned with the static analysis of structural cables used in railway overheads. Structural analysis computer program named ANSYS is used for analysis. Two effects are considered in the analysis. First one is the bending behavior effect of cables. BEAM188 in addition to LINK10 and LINK180 is used to see the difference in case of additional bending effect. Besides, LINK10 and L...