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We present Ringo, a system for analysis of large graphs. Graphs provide a way to represent and analyze systems of interacting objects (people, proteins, webpages) with edges between the objects denoting interactions (friendships, physical interactions, links). Mining graphs provides valuable insights about individual objects as well as the relationships… (More)
We present MobiScud, an evolutionary mobile network architecture that integrates cloud and SDN technologies into a standard mobile network in backwards compatible fashion. MobiScud enables personalized virtual machines to seamlessly "follow" mobile network users as they move around.
We present our work on MOCA, a lightweight Mobile Cloud Offloading Architecture, which uses an in-network cloud platform to provide offloading resources. MOCA integrates with existing mobile network architectures without requiring significant changes, and utilizes software defined networking techniques in the data plane to redirect appropriate traffic to… (More)
† The original of this paper had been presented in IEEE S3S Conference 2013. Abstract: Energy consumption is a key issue in portable biomedical devices that require uninterrupted biomedical data processing. As the battery life is critical for the user, these devices impose stringent energy constraints on SRAMs and other system on chip (SoC) components.… (More)
The popularity of smartphones and smartphone applications means that data is the dominant traffic type in current mobile networks. In this paper we present our work on a systematic investigation into facets of the LTE/EPC architecture that impact the performance of TCP as the predominant transport layer protocol used by applications on mobile networks. We… (More)
We present our Software-defined network Mobile Offloading aRchitecturE (SMORE). SMORE realizes traffic offloading in mobile networks without requiring any changes to the functionality of existing mobile network nodes. At the same time, it is fully aware of mobile network functionality, including mobility.
The PhantomNet facility allows experimenters to combine mobile networking, cloud computing and software-defined networking in a single environment. It is an <i>end-to-end testbed</i>, meaning that it supports experiments not just with mobile end-user devices but also with a cellular core network that can be configured and extended with new technologies.… (More)
Doubly fed machines (DFMs) are well known for limited-speed-range applications such as in wind power generation due to their reduced requirement in power electronic rating. Switched DFM drives offer the same benefit on power electronic requirement but operate on a wide speed range. This makes them attractive for wide-speed-range high-power applications,… (More)
Doubly fed machines (DFMs) can be used to make variable speed drives (VSDs) that not only provide full shaft speed control but also avoid the need for a dc electrical bus capable of providing full mechanical shaft power. This makes the DFM attractive for any VSD application where the primary power source is ac. Switching configuration of the DFM on-the-fly… (More)
Measurements of received signal strength (RSS) on wireless links provide position information in various localization systems, including multilateration-based and fingerprint-based positioning systems, and device-free localization systems. Existing localization schemes assume a fixed or known transmit power. Therefore, any variation in transmit power can… (More)