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Custom Datapaths for DSP ASICs Methodology and Implementation

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Název: Custom Datapaths for DSP ASICs Methodology and Implementation
Autoři: Åström, Pontus
Informace o vydavateli: Pontus Åström, Iliongrand 187, 224 72 Lund
Rok vydání: 2003
Sbírka: Lund University Publications (LUP)
Témata: Electrical Engineering, Electronic Engineering, Information Engineering, Elektroteknik, handshake circuits, design patterns, design abstraction, design methodology, UMTS, interleaver architecture, Turbo decoder implementation, low power, Digital filter, wave digital filter
Popis: This thesis regards datapath design and analysis at several abstraction levels. Five papers are presented that focus on datapath design for mobile communication systems and design methodologies for such datapaths. Paper I discusses different aspects of Turbo channel decoder design for high speed and low power applications. It is shown that critical path delay is significantly reduced by simple rescheduling operations. A new topology is presented for UMTS interleavers that achieves significantly higher throughput with lower power consumption and smaller area. In paper II, a datapath design methodology based on a fast handshaking protocol is presented. The methodology is implemented with a small set of flexible and lean modules that compared to standard handshaking protocols have both smaller delay and lower implementation cost for pipelined datapath designs. In paper III software domain abstraction paradigms are applied to the design of a hardware datapath library in C++. Several methodologies in the software domain are shown to aid the design process. Two of the more important are design for interfaces and design with design patterns. It is shown that reliability and usability are improved by the application of software paradigms. Papers IV and V deal with the design of broadband interpolating and decimating channel filters for low power applications. All filters are of the lattice wave digital filter type, which is suitable for parallelization and has good filtering properties. Several architectural modifications are described to increase the parallelism and achieve lower clock frequency and supply voltage.
Druh dokumentu: doctoral or postdoctoral thesis
Jazyk: English
Relation: https://lup.lub.lu.se/record/465826
Dostupnost: https://lup.lub.lu.se/record/465826
Přístupové číslo: edsbas.CB03A5AA
Databáze: BASE
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PubType: Dissertation/ Thesis
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  Data: Custom Datapaths for DSP ASICs Methodology and Implementation
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  Data: <searchLink fieldCode="AR" term="%22Åström%2C+Pontus%22">Åström, Pontus</searchLink>
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  Data: Pontus Åström, Iliongrand 187, 224 72 Lund
– Name: DatePubCY
  Label: Publication Year
  Group: Date
  Data: 2003
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  Data: Lund University Publications (LUP)
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  Data: <searchLink fieldCode="DE" term="%22Electrical+Engineering%22">Electrical Engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+Engineering%22">Electronic Engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Information+Engineering%22">Information Engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Elektroteknik%22">Elektroteknik</searchLink><br /><searchLink fieldCode="DE" term="%22handshake+circuits%22">handshake circuits</searchLink><br /><searchLink fieldCode="DE" term="%22design+patterns%22">design patterns</searchLink><br /><searchLink fieldCode="DE" term="%22design+abstraction%22">design abstraction</searchLink><br /><searchLink fieldCode="DE" term="%22design+methodology%22">design methodology</searchLink><br /><searchLink fieldCode="DE" term="%22UMTS%22">UMTS</searchLink><br /><searchLink fieldCode="DE" term="%22interleaver+architecture%22">interleaver architecture</searchLink><br /><searchLink fieldCode="DE" term="%22Turbo+decoder+implementation%22">Turbo decoder implementation</searchLink><br /><searchLink fieldCode="DE" term="%22low+power%22">low power</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+filter%22">Digital filter</searchLink><br /><searchLink fieldCode="DE" term="%22wave+digital+filter%22">wave digital filter</searchLink>
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  Data: This thesis regards datapath design and analysis at several abstraction levels. Five papers are presented that focus on datapath design for mobile communication systems and design methodologies for such datapaths. Paper I discusses different aspects of Turbo channel decoder design for high speed and low power applications. It is shown that critical path delay is significantly reduced by simple rescheduling operations. A new topology is presented for UMTS interleavers that achieves significantly higher throughput with lower power consumption and smaller area. In paper II, a datapath design methodology based on a fast handshaking protocol is presented. The methodology is implemented with a small set of flexible and lean modules that compared to standard handshaking protocols have both smaller delay and lower implementation cost for pipelined datapath designs. In paper III software domain abstraction paradigms are applied to the design of a hardware datapath library in C++. Several methodologies in the software domain are shown to aid the design process. Two of the more important are design for interfaces and design with design patterns. It is shown that reliability and usability are improved by the application of software paradigms. Papers IV and V deal with the design of broadband interpolating and decimating channel filters for low power applications. All filters are of the lattice wave digital filter type, which is suitable for parallelization and has good filtering properties. Several architectural modifications are described to increase the parallelism and achieve lower clock frequency and supply voltage.
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  Data: doctoral or postdoctoral thesis
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: English
    Subjects:
      – SubjectFull: Electrical Engineering
        Type: general
      – SubjectFull: Electronic Engineering
        Type: general
      – SubjectFull: Information Engineering
        Type: general
      – SubjectFull: Elektroteknik
        Type: general
      – SubjectFull: handshake circuits
        Type: general
      – SubjectFull: design patterns
        Type: general
      – SubjectFull: design abstraction
        Type: general
      – SubjectFull: design methodology
        Type: general
      – SubjectFull: UMTS
        Type: general
      – SubjectFull: interleaver architecture
        Type: general
      – SubjectFull: Turbo decoder implementation
        Type: general
      – SubjectFull: low power
        Type: general
      – SubjectFull: Digital filter
        Type: general
      – SubjectFull: wave digital filter
        Type: general
    Titles:
      – TitleFull: Custom Datapaths for DSP ASICs Methodology and Implementation
        Type: main
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            NameFull: Åström, Pontus
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              M: 01
              Type: published
              Y: 2003
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