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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 2009, Volume E92-A, Issue 6, pp. 1520 - 1522
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 05/2015, Volume E98.A, Issue 3, pp. 923 - 926
Many wireless communication systems use a relay station for cooperative diversity or cell coverage extension. In this letter, an efficient partial single relay... 
Wireless communication | Relay stations | Stations | Harmonics | Relay | Computer simulation | Channels | Optimization
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 05/2015, Volume E98.A, Issue 7, pp. 1549 - 1552
Recently, among MIMO-OFDM detection schemes, a lot of V-BLAST schemes have been suggested in order to achieve high data rate. Therefore signal detection of... 
Algorithms | Computer simulation | Mathematical models | Orthogonal Frequency Division Multiplexing | Signal detection | Complexity
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 07/2015, Volume E98.A, Issue 9, pp. 1990 - 1994
To improve the BER performance of the conventional cooperative communication, this letter proposes an efficient method for the reliability, and it uses... 
Priorities | Computer simulation | Modulation | Performance enhancement | Mathematical models | Error correction
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 01/2012, Volume E95.A, Issue 5, pp. 986 - 989
This letter proposes two efficient schemes for the joint estimation of symbol timing offset (STO) and carrier frequency offset (CFO) in orthogonal frequency... 
Fading | Symbols | Electronics | Spreads | Offsets | Time measurements | Carrier frequencies | Channels
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 07/2015, Volume E98.A, Issue 9, pp. 1995 - 1997
In this letter, a robust algorithm for jointly finding an estimate of the start of the frame and transmission mode is proposed in a digital audio broadcasting... 
Frames | Correlation | Algorithms | Computer simulation | Receivers | Broadcasting | Digital | Orthogonal Frequency Division Multiplexing | Signal to noise ratio
Journal Article
06/2019
To provide a method of manufacturing a vertical memory device, with which a channel may be well connected to a substrate electrically in a VNAND flash memory... 
SEMICONDUCTOR DEVICES | BASIC ELECTRIC ELEMENTS | ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | ELECTRICITY
Patent
IEICE - Transactions on Communications, ISSN 0916-8516, 01/2012, Volume E95.B, Issue 6
We study threshold-based relaying in an amplify-and-forward (AF) cooperative diversity network. For the network, the relay helps the communication from the... 
Amplification | Design engineering | Networks | Relaying | Relay | Thresholds | Amplitude modulation | Channels
Journal Article
IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, ISSN 0916-8508, 01/2012, Volume E95.A, Issue 8
In this letter, an improved residual symbol timing offset (STO) estimation scheme is suggested in an orthogonal frequency division multiplexing (OFDM) based... 
Computer simulation | Pilots | Electronics | Selectivity | Orthogonal Frequency Division Multiplexing | Channels | Delay | Estimators
Journal Article
05/2019
Provided is a vertical memory device that includes first, second and third impurity regions sequentially stacked in a first direction substantially... 
SEMICONDUCTOR DEVICES | BASIC ELECTRIC ELEMENTS | ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | ELECTRICITY
Patent
09/2018
The present invention relates to a secondary battery electrode manufacturing method and an electrode manufactured thereby, the method comprising the steps of:... 
BASIC ELECTRIC ELEMENTS | ELECTRICITY | PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Patent
01/2020
The present invention relates to a hot water circulating device for a hot water mat, which uniformly mixes hot water heated by a heating part and unheated... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | CHAIRS | SUCTION CLEANERS IN GENERAL | HEATING | FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL | SOFAS | LIGHTING | HUMAN NECESSITIES | FURNITURE | BEDS | SPICE MILLS | RANGES | COFFEE MILLS | VENTILATING | DOMESTIC ARTICLES OR APPLIANCES
Patent
Scientific Reports, ISSN 2045-2322, 06/2014, Volume 4, Issue 1, p. 5176
It is of critical importance to improve toughness, strength, and wear-resistance together for the development of advanced structural materials. Herein, we... 
LAYER GRAPHENE | TOUGHNESS | ELASTIC PROPERTIES | BEHAVIOR | MULTIDISCIPLINARY SCIENCES | WALL CARBON NANOTUBES | COMPOSITES | GRAPHITE | STRENGTH | MECHANICAL-PROPERTIES | MICROSTRUCTURE | Mechanical properties | Composite materials | Aluminum | Benign | Fracture toughness
Journal Article
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