文章摘要
Jiang Lin (蒋林)*,Cui Pengfei**,Shan Rui**,Wu Haoyue**.[J].高技术通讯(英文),2020,(3):262~269
MSONoC: a non-blocking optical interconnection network for inter cluster communication
  
DOI:doi:10.3772/j.issn.1006-6748.2020.03.004
中文关键词: 
英文关键词: network on chip (NoC), optical interconnection, wavelength division multiplexing (WDM), non-blocking, multilevel switching
基金项目:
Author NameAffiliation
Jiang Lin (蒋林)* (*Integrated Circuit Laboratory, Xi’an University of Science and Technology, Xi’an 710054, P.R.China) 
Cui Pengfei** (**School of Electronic and Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, P.R.China) 
Shan Rui** (**School of Electronic and Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, P.R.China) 
Wu Haoyue** (**School of Electronic and Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, P.R.China) 
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中文摘要:
      
英文摘要:
      Electric router is widely used for multi-core system to interconnect each other. However, with the increasing number of processor cores, the probability of communication conflict between processor cores increases, and the data delay increases dramatically. With the advent of optical router, the traditional electrical interconnection mode has changed to optical interconnection mode. In the packet switched optical interconnection network, the data communication mechanism consists of 3 processes: link establishment, data transmission and link termination, but the circuit-switched data transmission method greatly limits the utilization of resources. The number of micro-ring resonators in the on-chip large-scale optical interconnect network is an important parameter affecting the insertion loss. The proposed λ-route, GWOR, Crossbar structure has a large overall network insertion loss due to the use of many micro-ring resonators. How to use the least micro-ring resonator to realize non-blocking communication between multiple cores has been a research hotspot. In order to improve bandwidth and reduce access latency, an optical interconnection structure called multilevel switching optical network on chip (MSONoC) is proposed in this paper. The broadband micro-ring resonators (BMRs) are employed to reduce the number of micro-ring resonators(MRs) in the network, and the structure can provide the service of non-blocking point to point communication with the wavelength division multiplexing (WDM) technology. The results show that compared to λ-route, GWOR, Crossbar and the new topology structure, the number of micro-ring resonators of MSONoC are reduced by 95.5%, 95.5%, 87.5%, and 60% respectively. The insertion loss of the minimum link of new topology, mesh and MSONoC structure is 0.73dB, 0.725dB and 0.38dB.
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