Low-Power NoC Using Optimum Adaptation



Two power-reduction techniques are exploited to design a low leakage power NoC switch. First, the adaptive virtual channel (AVC) technique is presented as an efficient way to reduce the active area using a hierarchical multiplexing tree of VC groups. Second, power gating reduces the average leakage power consumption of the switch by controlling the supply power of the VC groups. The traffic-based virtual channel activation (TVA) algorithm is presented to determine traffic load status at the NoC switch ports. The TVA algorithm optimally utilizes virtual channels by deactivating idle VC groups to guarantee high leakage power saving without affecting the NoC throughput.


SoC NoC AVC Power gating Leakage power reduction High throughput 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Department of Electrical EngineeringBeni-suef UniversityBeni-suefEgypt
  2. 2.Mentor Graphics CorporationCairoEgypt
  3. 3.Department of Electrical EngineeringFayoum UniversityFayoumEgypt

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