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Comparative Analysis of NoCs for Two-Dimensional Versus Three-Dimensional SoCs Supporting Multiple Voltage and Frequency Islands

Giovanni De Micheli, Luca Benini, Srinivasan Murali, Ciprian Seiculescu

In many of today’s system-on-chip (SoC) designs, the cores are partitioned into multiple voltage and frequency islands (VFIs), and the global interconnect is implemented using a packetswitched network on chip (NoC). In such VFI-based designs, the benefits ...

Institute of Electrical and Electronics Engineers2010

Dynamic Cost-Efficient Replication in Data Clouds

Karl Aberer, Nicolas Bonvin

Hardware failures in current data centers are common partly due to the higher data scales supported. Data replication is the common approach for improving availability. However, mostly static replication approaches have been proposed, i.e. the number of re ...

2009

Game Theory Video Streaming

Mahdad Hosseini Kamal

We consider the problem of peer selection for multimedia trans- mission over a peer-to-peer (P2P) network to find a strategy model for peer selection for each lost packet. Our problem consists of two parts one related to the P2P network that is a peer sele ...

2009

Distributed Media Rate Allocation in Multipath Networks

Pascal Frossard, Dan Jurca

The paper addresses the media-specific rate allocation problem in multipath networks. The streaming rate on each path is determined such that the end- to-end media distortion is minimized, when the receiving client aggregates packets received via multiple ...

2008

Diversity Embedded Space-Time Codes

Suhas Diggavi, Sanket Dusad

Rate and diversity impose a fundamental trade-off in wireless communication. High-rate space-time codes come at a cost of lower reliability (diversity), and high reliability (diversity) implies a lower rate. However, wireless networks need to support appli ...

2008

Balanced relay allocation on heterogeneous unstructured overlays

Patrick Thiran, Matthias Grossglauser, Xuan Hung Nguyen

Due to the increased usage of NAT boxes and firewalls, it has become harder for applications to establish direct connections seamlessly among two end-hosts. A recently, adopted proposal to mitigate this problem is to use relay nodes, end-hosts that act as ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2008

Reducing Buffer Space in Multipath Schemes

Maysam Yabandeh, Sajjad Zarifzadeh

One major drawback of multipath transferring schemes, which is inspired by the usage of different paths with diverse delays, is the emergence of reordering among packets of a flow. This reordering brings some substantial problems (like larger delay and buf ...

2008

A two-stage scheduler of distributed energy resources

Mario Paolone

The paper presents a two-stage scheduler for the optimal scheduling of distributed energy resources (DER) connected to a distribution network. The proposed approach integrates a centralized day-ahead scheduler with an intra-day one. On the one hand, the da ...

2007

Efficient and Robust Secure Aggregation for Sensor Networks

Karl Aberer, Jean-Pierre Hubaux, Panagiotis Papadimitratos, Marcin Poturalski, Parisa Haghani

Wireless Sensor Networks (WSNs) rely on in-network aggregation for efficiency, however, this comes at a price: A single adversary can severely influence the outcome by contributing an arbitrary partial aggregate value. Secure in-network aggregation can det ...

2007

Exact Capacity Scaling of Extended Wireless Networks

Olivier Lévêque, Ayfer Özgür Aydin

n source and destination pairs randomly located in an area extending linearly with n want to communicate with each other. Signals transmitted from one user to another at distance r apart are subject to a power attenuation of r^{-alpha} and random phase cha ...

2007