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CMP network-on-chip overlaid with multi-band RF-interconnect

M. Frank Chang, Jason Cong, Adam Kaplan, Mishali Naik, Glenn Reinman, Eran Socher, Sai-Wang Tam
2008 High-Performance Computer Architecture  
In this paper, we explore the use of multi-band radio frequency interconnect (or RF-I) with signal propagation at the speed of light to provide shortcuts in a many core network-on-chip (NoC) mesh topology  ...  Assuming a 400mm 2 die, we demonstrate that in exchange for 0.13% of area overhead on the active layer, RF-I can provide an average 13% (max 18%) boost in application performance, corresponding to an average  ...  The authors acknowledge the support of the GSRC Focus Center, one of five research centers funded under the Focus Center Research Program. We wish to thank our reviewers for useful feedback.  ... 
doi:10.1109/hpca.2008.4658639 dblp:conf/hpca/ChangCKNRST08 fatcat:tcpefvhkzzg7laduundhh3fyiy

Multiband RF-interconnect for reconfigurable network-on-chip communications

Jason Cong, Mau-Chung Frank Chang, Glenn Reinman, Sai-Wang Tam
2009 Proceedings of the 11th international workshop on System level interconnect prediction - SLIP '09  
One of the possibilities is to use multi-band RF-I [1][2][3][4], based on frequency-division-multiple-access algorithms (FDMA) to facilitate inter-core communications on-chip.  ...  to meet future Network-on-Chip needs?  ...  A simultaneous tri-band on-chip RF-interconnect for future network-on-chip [5] is demonstrated.  ... 
doi:10.1145/1572471.1572491 dblp:conf/slip/CongCRT09 fatcat:vfjf7cumhbfhlaggnsyne4q2f4

RF/wireless-interconnect: The next wave of connectivity

SaiWang Tam, Mau-Chung Frank Chang
2011 Science China Information Sciences  
We then review recent advances in RF/wireless-interconnect in four different potential application domains, which include network-on-chips (NoCs), 3-dimensional integrated circuit (3DIC), advanced memory  ...  To overcome such challenges, we first explore the use of multiband RF/wireless-interconnects which can communicate simultaneously through multiple frequency bands with low power signal transmission, reconfigurable  ...  of multi-band RF-interconnect for future network-on-chip.  ... 
doi:10.1007/s11432-011-4225-8 fatcat:ndqip657abfx7mxusorw5zqhp4

Hybrid wireless Network on Chip

Partha Pratim Pande, Amlan Ganguly, Kevin Chang, Christof Teuscher
2009 Proceedings of the 2nd International Workshop on Network on Chip Architectures - NoCArc '09  
"CMP Network-on-Chip Overlaid With Multi-Band RF-Interconnect", Proc. of IEEE International Symposium on High-Performance Computer Architecture, 16-20 February, 2008, pp. 191-202. • Characterization of  ...  Shacham et al., "Photonic Network-on-Chip for Future Generations of Chip Multi- Processors", IEEE Transactions on Computers, Vol. 57, issue 9, pp. 1246-1260.  ... 
doi:10.1145/1645213.1645230 dblp:conf/micro/PandeGCT09 fatcat:3zaiydl3evd5vkkcgn5kt5djze

A Tutorial for Key Problems in the Design of Hybrid Hierarchical NoC Architectures with Wireless/RF

Chunhua Xiao
2013 The Smart Computing Review  
interconnects, and has become one of the mainstreams of chip multi-processor systems.  ...  Keywords: Network-on-chip, radio frequency interconnect, wireless interconnect Xiao et al.: A Tutorial for Key Problems in the Design of Hybrid Hierarchical NoC Architectures with Wireless/RF 426 s we  ...  But the on-chip antenna is always one of the most difficult components to be integrated for large CMPs [12] [15] .  ... 
doi:10.6029/smartcr.2013.06.004 fatcat:ktz44xx2ofexphe43ndlyodjxe

RF interconnects for communications on-chip

M.-C. Frank Chang, Eran Socher, Sai-Wang Tam, Jason Cong, Glenn Reinman
2008 Proceedings of the 2008 international symposium on Physical design - ISPD '08  
Tam, CMP Network-on-Chip Overlaid With Multi- RF/Baseband FDMA-Interconnect Transceiver for Reconfigurable Band  ...  Chang, "Two 10Gbps/pin Low future design of CMPs that employ on-chip networks.  ... 
doi:10.1145/1353629.1353649 dblp:conf/ispd/ChangSTCR08 fatcat:qrtu4uq7bjhe3nr36ouo47zqwq

Power reduction of CMP communication networks via RF-interconnects

M-C. Frank Chang, Jason Cong, Adam Kaplan, Chunyue Liu, Mishali Naik, Jagannath Premkumar, Glenn Reinman, Eran Socher, Sai-Wang Tam
2008 2008 41st IEEE/ACM International Symposium on Microarchitecture  
Fortunately, promising gains can be realized via integration of Radio Frequency Interconnect (RF-I) through on-chip transmission lines with traditional interconnects implemented with RC wires.  ...  In this paper, we propose a novel interconnect design, exploiting dynamic RF-I bandwidth allocation to realize a reconfigurable network-on-chip architecture.  ...  The authors acknowledge the support of the GSRC Focus Center, one of five research centers funded under the Focus Center Research Program. We wish to thank our reviewers for useful feedback.  ... 
doi:10.1109/micro.2008.4771806 dblp:conf/micro/ChangCKLNPRST08 fatcat:ka3kpglfwnaadnstplmaqkziia

Overlaid Mesh Topology Design and Deadlock Free Routing in Wireless Network-on-Chip

Dan Zhao, Ruizhe Wu
2012 2012 IEEE/ACM Sixth International Symposium on Networks-on-Chip  
In this research, we propose an unequal RF nodes overlaid mesh topology design to improve the on-chip communication performance.  ...  To bridge the widening gap between computation requirements of terascale application and communication efficiency faced by many-core processor chips, wireless Network-on-Chip (WiNoC) has been proposed  ...  INTRODUCTION With silicon technology scaling, multi-processor chips (CMPs) are moving towards many-core structures to achieve energy-efficient performance.  ... 
doi:10.1109/nocs.2012.11 dblp:conf/nocs/ZhaoW12 fatcat:i6lj7vtuqbhq5efdfgxr3z7ni4

An Energy-Efficient and High-Speed Mobile Memory I/O Interface Using Simultaneous Bi-Directional Dual (Base+RF)-Band Signaling

Gyung-Su Byun, Yanghyo Kim, Jongsun Kim, Sai-Wang Tam, Mau-Chung Frank Chang
2012 IEEE Journal of Solid-State Circuits  
Index Terms-Amplitude-shift-keying (ASK), dual-band signaling, impedance transformation, mobile memory interface, multi-band RF-Interconnect (RF-I), simultaneous bidirectional.  ...  The proposed amplitude shift keying (ASK) modulator/demodulator with on-chip band-selective transformer obviates a power hungry pre-emphasis and equalization circuitry, revealing a low-power, compact and  ...  Consequently, the proposed RF transceiver uses on-chip transformers as matching devices with simplified network illustrated in Fig. 7(a) .  ... 
doi:10.1109/jssc.2011.2164709 fatcat:vyeewglkdzaohae5m6xvtgdkuq

Wireless NoC as Interconnection Backbone for Multicore Chips: Promises and Challenges

Sujay Deb, Amlan Ganguly, Partha Pratim Pande, Benjamin Belzer, Deukhyoun Heo
2012 IEEE Journal on Emerging and Selected Topics in Circuits and Systems  
The network-on-chip (NoC) is an enabling technology for integration of large numbers of embedded cores on a single die.  ...  The existing method of implementing a NoC with planar metal interconnects is deficient due to high latency and significant power consumption arising out of long multi-hop links used in data exchange.  ...  Different approaches such as 3-D, photonic NoCs and NoC architectures with multi-band radio-frequency (RF) interconnects (RF-I) [5] - [9] have already been explored.  ... 
doi:10.1109/jetcas.2012.2193835 fatcat:vbd2mj7os5h7faafy7eo6rive4

Analysis of Noncoherent ASK Modulation-Based RF-Interconnect for Memory Interface

Yanghyo Kim, Sai-Wang Tam, Gyung-Su Byun, Hao Wu, Lan Nan, Glenn Reinman, Jason Cong, Mau-Chung Frank Chang
2012 IEEE Journal on Emerging and Selected Topics in Circuits and Systems  
This provides an efficient way of increasing interconnect bandwidth by transmitting an RF-modulated data stream simultaneously with a conventional baseband counterpart over a shared off-chip transmission  ...  A noncoherent amplitude shift keying (ASK)-based RF-interconnect (RF-I) system design for off-chip communication is analyzed.  ...  Four of them were co-founders, together with Dr. Cong, of two startups originated from UCLA-Aplus Design Technologies  ... 
doi:10.1109/jetcas.2012.2193511 fatcat:wna6egwupfduva3znivup6loji

Stream arbitration

Chunhua Xiao, M-C. Frank Chang, Jason Cong, Michael Gill, Zhangqin Huang, Chunyue Liu, Glenn Reinman, Hao Wu
2013 ACM Transactions on Architecture and Code Optimization (TACO)  
Alternative interconnects are attractive for scaling on-chip communication bandwidth in a power-efficient manner.  ...  We apply stream arbitration to radio frequency interconnect (RF-I).  ...  Figure 5 shows an exemplary RF-Interconnect multicast link of one band.  ... 
doi:10.1145/2400682.2400719 fatcat:lwyux6rm6fc6taj4ms6nxk6mhi

An Artificial Neural Networks based Temperature Prediction Framework for Network-on-Chip based Multicore Platform [article]

Sandeep Aswath Narayana
2016 arXiv   pre-print
This thesis concentrates on designing an ANN prediction engine to predict the thermal profile of the cores and Network-on-Chip elements of the chip.  ...  On-chip wireless interconnect which is recently envisioned to enable energy-efficient data exchange between cores in a multicore environment, will be used to provide a broadcast-capable medium to efficiently  ...  clock cycle [34] . 3D integration, RF and wireless interconnects for on-chip inter-core data transfers.  ... 
arXiv:1612.04197v1 fatcat:uoyot2zhwvfq7kigsqy5avruei

A Compact and Low Power 5–10 GHz Quadrature Local Oscillator for Cognitive Radio Applications

Jianhua Lu, Ning-Yi Wang, Mau-Chung Frank Chang
2012 IEEE Journal of Solid-State Circuits  
implementation of a compact and low power quadrature local oscillator (LO) for creating 13.3-20 GHz signal initially from a differentially tuned LC-VCO and then converting it to the desired 5-10 GHz with  ...  CMOS IC technology, the integrated quadrature-phased LO consumes 22 mA of current at a 1 V supply and is able to exhibit the worst-case phase noise of dBc/Hz at 1 MHz offset across the entire 5-10 GHz band  ...  He is currently with Broadcom Corporation, Irvine, CA.  ... 
doi:10.1109/jssc.2012.2185573 fatcat:fe76xoigszhhzenxhlxwleqv2y

Nanoelectronic circuits based on two-dimensional atomic layer crystals

Seunghyun Lee, Zhaohui Zhong
2014 Nanoscale  
This article reviews the progress and the prospect of analog and digital circuits based on 2D atomic layer crystals that go beyond the single-transistor level studies.  ...  Inductors Since graphene-based field-effect transistors have already shown potential for analog/RF devices and interconnects, graphene can also be used to design low-loss on-chip inductors that are critical  ...  Actual microscope images under a blue filter were overlaid on top of the circuit diagram.  ... 
doi:10.1039/c4nr03670k pmid:25268929 fatcat:xhohbokhq5hdfgvukt3jjjeie4
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