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Saturday, July 11, 2020 | History

3 edition of Workload characterization for the space station data communications system found in the catalog.

Workload characterization for the space station data communications system

Kenneth C. Sevcik

Workload characterization for the space station data communications system

by Kenneth C. Sevcik

  • 147 Want to read
  • 29 Currently reading

Published by Research Institute for Advanced Computer Science in [Moffett Field, Calif.] .
Written in English

    Subjects:
  • Space stations -- Communication systems.,
  • Computer networks -- Workload.

  • Edition Notes

    StatementKenneth C. Sevcik.
    SeriesNASA-TM -- 89396., RIACS TR -- 86.4., NASA technical memorandum -- 89396., RIACS technical report -- TR 86-4.
    ContributionsResearch Institute for Advanced Computer Science (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15287289M

    Data" applications, providing an ordered recipe for what should be done, and how. Characterization results are presented for several\Big Data" workloads, concentrating on the coarse-grain, per-server, system-level behavior rather than the ne-grained microarchitectural pro le. The paper illustrates how a few coarse-grained metrics. A new telemetry processing system eliminated the need for tape recording data at each station. As of , data entered a mass storage system directly from communications lines, eliminating delays in recording and then in shipping the tapes from stations to Goddard.

      A group of cooperating Earth stations and space stations that (a) provides a given space service and (b) may use objects in space, such as satellites and spacecraft, for the reflection or retransmission, i.e., the relaying, of radio or video signals. See also Earth station, radio signal, spacecraft, space service, space station, video signal. Common Item(s) Risk of Adverse Cognitive or Behavioral Conditions and Psychiatric Disorders: CBS-BMed3: We need to identify and quantify the key threats to and promoters of mission relevant behavioral health and performance during autonomous, long duration and/or long distance exploration missions.

    Space station data system analysis/architecture study Task 4, system definition report. (OCoLC) Microfiche: Space station data system analysis/architecture study Task 4, system definition report. (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type. Spacecom says that the Amos satellite will provide C-band, Ku-band and Ka-band communications services over Africa, Europe and the Middle East. The satellite is designed to last 20 years and.


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Workload characterization for the space station data communications system by Kenneth C. Sevcik Download PDF EPUB FB2

Workload that will be placed on the data communications system is an impor- tant factor in making these choices, so an attempt at workload characterization for the system is being made. The space station project is unique in many ways, and these aspects seemAuthor: K.

Sevcik. Get this from a library. Workload characterization for the space station data communications system. [Kenneth C Sevcik; Research Institute for Advanced Computer Science (U.S.)]. The control and monitoring of many of these activities will require extensive computer and communications system support.

In order to identify an appropriate computer and communication system for supporting the space station, an attempt to characterize the space station's data communications subsystem workload is currently underway.

experimental model for workload characterization for understanding workload requirements. In this report, we provide a sumrnary of findings that covers all three parts, a list of the publications that resulted from this effort, and three appendices with the details of each of the.

S-band system from the ground for Station systems and payload operations. The European end-to-end communications infrastructure is shown in Fig. NASA’s TDRS system is the primary Station data and communications link with the ground. Data and commands are transmitted to/from the Station via TDRS to White Sands in New Mexico.

The dataFile Size: KB. A unified approach to characterize workload parameters used to model computer and communication systems with variabilities and uncertainties in workload is presented. Optical Wireless Communications for Broadband Global Internet Connectivity: Fundamental and Potential Applications provides a comprehensive overview for readers who require information about the fundamental science behind optical wireless communications, as well as up-to-date advanced knowledge of the state-of-the-art technologies available.

The book was originally intended to be for the public, Congress, and potential customers interested in flying payloads on the International Space Station but was almost immediately adopted for astronaut candidate familiarization and training and is.

A detailed workload characterization was performed for each activity associated with the job execution. Due to space limitations, in the following we discuss the workload characteristics of the first activity only.

The main functions related to activity A, mainframe access, and the associated network traffic, are summarized in Table 1. In the Cited by: I have a significant library of technical books for electronics and communications and I am writing one currently myself. But this books is one of the best for guidance in many different subjects in the Space Mission Analysis and Design.

Buy it if you are in this field. Money well spent/5(28). Abstract: The paper discusses the techniques utilized for determining the International Space Station (ISS) radio frequency (RF) systems' compatibly with other RF systems and with electronic circuits. The ISS is a unique, challenging adventure that requires a large number of RF systems to operate in close proximity within a 70 m sphere.

Communication is an integral component of the International Space Station (ISS). Without extensive communication with the ground, scientific research, along with the safe, efficient, and reliable operation of ISS is not possible.

The manual covers the United States On-Orbit Segment (USOS) Communication System and its : World Spaceflight News.

Abstract: Within the Space Station Freedom Program (SSSP), the communications and dataprocessing capabilities that will be used to handle the operational and scientific information needs will be provided by a space station information and communications system.

This system will be composed of a variety of elements, networks, and subnetworks. The networks and how they are interconnected are.

manual book manager, David Rose, at DT This material is for training purposes only and should not be used as a source of operational data. All numerical data, displays, and checklist references are intended as examples. To determine any prerequisites before using this document, consult the applicable Certification Plan or Training Size: 5MB.

Data communication and terminal equipment Data Representation Data representation is defined as the methods used to represent information in computers.

Different types of data can be stored Author: Yekini Nureni. COMMUNICATIONS. SPACE FLIGHT TRACKING AND DATA NETWORK. The Networks Division of Goddard Space Flight Center, Greenbelt, Md., is responsible for operating, maintaining and controlling the space flight tracking and data network, which consists of the space network and ground network for providing tracking, data acquisition and associated support.

The network is operated through NASA contracts and interagency and international agreements that provide staffing and logistic support for space.

Data rate (at 95%) reliability vs SNR for different antenna configurations. Channel bandwidth is KHz. 5 Antenna configurations in ST wireless systems (Tx: Transmitter, Rx: Receiver).

6 Schematic of a ST wireless communication system. 9 Signal power fluctuation vs range in wireless channels. Mean propagation. International Space Station Activity Book >>> For more information, check out the web sites on page 30. Space Station, but about the challenges and rewards inherent in exploring Collecting data and iguring out what it means, as a way of trying to understand.

better how things Size: 2MB. The International Space Station is traveling at the breakneck speed of 17, miles per hour (27, kilometers per hour) at an average altitude of miles ( kilometers) above the Earth’s surface.

It requires all kinds of boosters and propulsion to stay on course. NASA. Commander Steve Lindsey reported a number of technical and operational flight data before communications were taken over by one of the TDRS-es. Communications ISS (continued): After the docking of Atlantis at the ISS Usachov spoke with TsUP-M via mc.

This took place on during ISS orbitbetween and UTC. ABSTRACT The initial characterization of the Aspergillus niger isolate JSC, collected from U.S. segment surfaces of the International Space Station (ISS), is reported, along with a comparison to the extensively studied strain ATCC Whole-genome sequencing of the ISS isolate enabled its phylogenetic place-Cited by: International Space Station [25].

Content of Handover Captures Intent Handover communication works best if it captures problems, hypotheses, and intent, rather than simply lists what occurred.

Recent research indicates that perception and memory are organized by hierarchical goal representations and that these representations inFile Size: 73KB.SPECIFIC SPACE COMMUNICATION FREQUENCIES. Russia. Russian manned spacecraft use and MHz FM for voice communications.

Other frequencies used on manned missions include and MHz. The Russian ISS (International Space Station) module uses the band from - MHz. China.