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  <doc>
    <id>626</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2001-01-11</completedDate>
    <publishedDate>2001-01-11</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Frequency Assignment in Mobile Phone Systems</title>
    <abstract language="eng">Wireless communication networks employ radio frequencies to establish communication links. The available radio spectrum is very limited. To meet today's radio communication demand, this resource has to be administered and reused carefully in order to control mutual interference. The reuse can be organized via separation in space, time, or frequency, for example. The problem, therefore, arises to distribute frequencies to links in a ``reasonable manner''. This is the basic form of the frequency assignment problem. What ``reasonable'' means, how to quantify this measure of quality, which technical side constraints to consider cannot be answered in general. The exact specification of this task and its mathematical model depend heavily on the particular application considered. In this paper we discuss this issue with respect to the GSM standard for mobile communication.</abstract>
    <identifier type="serial">00-58</identifier>
    <identifier type="opus3-id">627</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-6265</identifier>
    <enrichment key="SourceTitle">Appeared in: Lecture Notes in Computer Science, 1974; FST TCS 2000: Foundations of Software Technology and Theoretical Computer Science, Dec 2000, Kapoor, Prasad (Eds.) pp. 81-86</enrichment>
    <author>Martin Grötschel</author>
    <series>
      <title>ZIB-Report</title>
      <number>00-58</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>frequency assignment</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>telecommunication</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>mobile phone</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>integer programming</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>coloring</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="62P30">Applications in engineering and industry</collection>
    <collection role="msc" number="68M10">Network design and communication [See also 68R10, 90B18]</collection>
    <collection role="msc" number="90B18">Communication networks [See also 68M10, 94A05]</collection>
    <collection role="msc" number="90B90">Case-oriented studies</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/626/ZR-00-58.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/626/ZR-00-58.pdf</file>
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