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Multiple Input Multiple Output
Noncooperative Cellular Wireless with Unlimited Numbers of Base Station Antennas
New York University Department of Electrical and Computer Engineering
ABSTRACT: A cellular base station serves a multiplicity of single-antenna terminals over the same time-frequency interval. Time-division duplex operation combined with reverse-link pilots enables the base station to estimate the reciprocal forward- and reverse-link channels. The conjugate-transpose of the channel estimates are used as a linear precoder and combiner respectively on the forward and reverse links. Propagation, unknown to both terminals and base station, comprises fast fading, log-normal shadow fading, and geometric attenuation. In the limit of an infinite number of antennas a complete multi-cellular analysis, which accounts for inter-cellular interference and the overhead and errors associated with channel-state information, yields a number of mathematically exact conclusions and points to a desirable direction towards which cellular wireless could evolve. In particular the effects of uncorrelated noise and fast fading vanish, throughput and the number of terminals are independent of the size of the cells, spectral efficiency is independent of bandwidth, and the required transmitted energy per bit vanishes. The only remaining impairment is inter-cellular interference caused by re-use of the pilot sequences in other cells (pilot contamination) which does not vanish with unlimited number of antennas.
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LATITUDE & LONGITUDE PRACTICE
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Cooking
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Sports Scoring Dynamics
Ancient sumo-wrestling competition from the Japanese Heian or Kamakura period (between 794 and 1333)
Predicting Sports Scoring Dynamics with Restoration and Anti-Persistence
Leto Peel
ICTEAM Université catholique de Louvain, Louvain-la-Neuve, Belgium
Aaron Clauset
Department of Computer Science, University of Colorado Boulder
Abstract:
Public Private Partnerships
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Health Physics / PINS
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Smart bluetooth low energy security system
University of Mumbai / Fr. C. Rodrigues Institute of Technology Affiliate
Smart bluetooth low energy security system
Y. W. Prakash – Vishakha Biradar – Shenil Vincent – Minto Martin – Anita Jadhav
Fr. Conceicao Rodrigues Institute of Technology / Navi Mumbai
The need for security in today’s world has become a mandatory issue to look after. With the increase in a number of thefts, it has become a necessity to implement a smart security system. Due to the high cost of the existing smart security systems which use conventional Bluetooth and other wireless technologies and their relatively high energy consumption, implementing a security system with low energy consumption at a low cost has become the need of the hour. The objective of the paper is to build a cost effective and low energy consumption security system using the Bluetooth Low Energy (BLE) technology. This system will help the user to monitor and manage the security of the house even when the user is outside the house with the help of webpage. This paper presents the design and implementation of a security system using PSoC 4 BLE which can automatically lock and unlock the door when the user in the vicinity and leaving the vicinity of the door respectively by establishing a wireless connection between the physical lock and the smartphone. The system also captures an image of a person arriving at the house and transmits it wirelessly to a webpage. The system also notifies the user of any intrusion by sending a message and the image of the intruder to the webpage. The user can also access the door remotely on the go from the website.
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2016 Student Paper Winner / World Without Standards
ANSI’s Committee on Education develops long-term strategies and action steps for the academic side of the education industry to promote the integration of standards and conformity assessment in the curricula in order to educate the next generation of business leaders on the strategic impact of standards and conformity assessment.
ANSI Announces Winners of 2016 Student Paper Competition
The Bleak Reality of a World without Standards
Amanda Goetz, Branden Hill, Libby Lee, & Jennifer Pattillo | Ferris State University | April 20, 2016
Control of Hazardous Energy: (Lockout/Tagout)
_(Art._IWM_LD_2850).jpg)
Title: Unknown / Artist: Laura Knight / Imperial War Museum, London UK
The control of hazardous energy is regulated under the United States Department of Labor Occupational Safety and Health Administration’ (OSHA) control of hazardous energy standard linked below:
Control of Hazardous Energy Lockout/Tagout OSHA 3120 / 2002 (Revised)
The purpose of OSHA 3120 is to protect workers from the dangers of hazardous energy. OSHA has released a request for information regarding two areas where modernizing the Lockout/Tagout standard might better promote worker safety without additional burdens to employers: control circuit type devices and robotics. The Federal Register announcement is linked below:
DEPARTMENT OF LABOR 29 CFR Part 1910 [Docket No. OSHA–2016–0013] RIN 1218–AD00
Comments are due August 19, 2019. The Federal Register announcement specifies several ways to submit responses. All submissions must bear a postmark or provide other evidence of the submission date.
We find that there are enough safety/conformity/compliance functionaries in the education facilities industry to discover leading practice in this space so we do not lean too heavily into this type of regulation; though the expansion into robotics is noteworthy.
We are happy to walk through specifics of the proposal with respect to our goal of lowering #TotalCostofOwnership in education and university-affiliated healthcare facilities any day at 11 AM Eastern time. We also host of periodic Risk teleconferences in which many OSHA safety requirements on the standing agenda. See our CALENDAR for the next online meeting; open to everyone.
Issue: [19-145]
Category: Facility Asset Management, Risk Management
Colleagues: Mike Anthony, Richard Robben, Markus Schaufele
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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