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A code is said to be a Locally Recoverable Code (LRC) with availability if every coordinate can be recovered from multiple disjoint sets of other coordinates called recovering sets. The size of a recovering set is called locality. In this work, we consider LRCs with availability under two different settings-unequal recovery set sizes fixed for all coordinates or unequal locality over multiple coordinates...
In this paper, we present a new technique to improve the reliability of H-tree SRAM memories. This technique deals with the SRAM power-bus monitoring by using built-in current sensor (BICS) circuits that detect abnormal current dissipation in the memory power-bus. This abnormal current is the result of a single-event upset (SEU) in the memory and it is generated during the inversion of the state of...
A non-classical device structure namely self-aligned quasi-silicon-on-insulator (SOI) metal-oxide semiconductor (MOS) field-effect transistor with pi-shaped semiconductor conductive layer (SA-piFET) is presented, seeking to improve the performance and upgrade the reliability of the SOI-based devices. Designed to equip with a SA single crystal silicon channel layer, plus a natural source/drain (S/D)...
A planar edge termination technique of trenched field limiting ring is investigated by using 2-dimensional numerical analysis and simulation. The better voltage blocking capability and reliability can be obtained by trenching the field-limiting ring site which would be implanted. The trench etch step makes the junction depth deeper so that junction curvature effect and surface breakdown are less happened...
Transconductance (gm) enhancement in n-type and p-type nanowire field-effect-transistors (nwFETs) is demonstrated by introducing controlled tensile strain into channel regions by pattern dependant oxidation (PADOX). Values of gm are enhanced relative to control devices by a factor of 1.5 in p-nwFETs and 3.0 in n-nwFETs. Strain distributions calculated by a three-dimensional molecular dynamics simulation...
A diaphragm-type optical fiber pressure sensor, which has a sleeve for fiber insertion, is proposed, and its fundamental characteristics are demonstrated. The sleeve structure is fabricated by deep reactive ion etching (DRIE). The diaphragm with the sleeve is suitable for highly reliable and easy bonding between the sleeve and an optical fiber. The light intensity change by a Fabry-Perot interferometer...
This paper studies efficient complex valued matrix manipulations for multi-user STBC-MIMO decoding. A novel method called Alamouti blockwise analytical matrix inversion (ABAMI) is proposed for the inversion of large complex matrices that are based on Alamouti sub-blocks. Another method using a variant of Givens rotation is proposed for fast QR decomposition of this kind of matrices. Our solutions...
In deep submicron era, to prevent larger amount of SRAM from more frequently encountered overheating problems and react accordingly for each possible hotspots, multiple ideal run-time temperature sensors must be closely located and response rapidly to secure system reliability while maintaining core frequency. This paper presented a method to extract run-time temperature information from multiple...
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