Concept

Clock drift

Related publications (19)

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Clock-SI: Snapshot Isolation for Partitioned Data Stores Using Loosely Synchronized Clocks

Willy Zwaenepoel, Sameh Mohamed Elnikety, Jiaqing Du

Clock-SI is a fully distributed protocol that implements snapshot isolation (SI) for partitioned data stores. It derives snapshot and commit timestamps from loosely synchronized clocks, rather than from a centralized timestamp authority as used in current ...

2013

Effects of Process Variations on 3-D Global Clock Distribution Networks

Giovanni De Micheli, Vasileios Pavlidis, Hu Xu

In three-dimensional (3D) integrated circuits, the effect of process variations on clock skew differs from 2D circuits. The combined effect of inter-die and intra-die process variations on the design of 3D clock distribution networks is considered in this ...

Assoc Computing Machinery2012

Thermal characterization of an LTCC module for miniature atomic clock packaging

Peter Ryser, Thomas Maeder, Fabrizio Vecchio, Conor Joseph Slater

This paper presents the design and thermal characterization of a 15 × 22 mm2 LTCC module dedicated to the packaging of the elements of a miniature atomic clock. This module acts as a carrier for the components of the clock as well as temperature controller ...

IMAPS / ACerS2012

Wide-Range Dynamic Power Management in Low-Voltage Low-Power Subthreshold SCL

Seyed Armin Tajalli, Yusuf Leblebici

Power-frequency scaling in subthreshold source coupled logic (STSCL) systems has been studied and analyzed. It is shown that the operating frequency of such systems can be adjusted over about three decades with linearly proportional power dissipation. The ...

Ieee-Inst Electrical Electronics Engineers Inc2012

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Nowadays there is an increasing need for radically miniaturized and low-power atomic frequency standards, for use in mobile and battery-powered applications. For the miniaturization of double-resonance (DR) Rubidium (Rb-87) atomic clocks, the size reductio ...

Ieee2012

New Miniaturized Microwave Cavity for Rubidium Atomic Clocks

Anja Skrivervik, Francesco Merli, Maddalena Violetti

IEEE2012

Clock-Offset Tracking Software Algorithms For IR-UWB Energy-Detection Receivers

Jean-Yves Le Boudec, Ruben Merz, Manuel Flury

We present a clock-offset tracking algorithm for impulse-radio ultra-wide band (IR-UWB) energy-detection receivers. There is a complexity versus performance trade-off for the design of IR-UWB energy-detection receivers: Extremely low-complexity energy-dete ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

In multi-hop ad hoc networks, the efficiency of a medium access control protocol under heavy traffic load depends mainly on its ability to schedule a large number of simultaneous non-interfering transmissions. However, as each node has only a local view of ...

2006

Soft real-time analysis of asynchronous agreement algorithms using Petri nets

Nicoleta Sergent

A distributed algorithm comprises a collection of sequential-code entities, which are spread over different computers connected to a network. The process of designing a distributed algorithm is influenced by the assumptions we make on the computational env ...

EPFL1998