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

doi:10.1109/JETCAS.2012.2193511

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

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A noncoherent amplitude shift keying (ASK)-based RF-interconnect (RF-I) system design for off-chip communication is analyzed. The proposed RF-I system exploits the simple architecture and characteristics of noncoherent ASK modulation. 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 line. Both analysis and tested results prove that the performance of the proposed dual-band (RF+baseband) interconnect system is not limited by thermal noise interference. Therefore, a more sophisticated modulation scheme and/or coherent receiving scheme becomes unnecessary within the scope of system requirements. In addition, it confirms that the proposed inductive coupling network is able to support simultaneous bidirectional communications without using complicated replica circuits or additional filters to isolate simultaneous baseband and RF-band data streams.

Original language	English
Article number	6202362
Pages (from-to)	200-209
Number of pages	10
Journal	IEEE Journal on Emerging and Selected Topics in Circuits and Systems
Volume	2
Issue number	2
DOIs	https://doi.org/10.1109/JETCAS.2012.2193511
State	Published - 2012
Externally published	Yes

Bibliographical note

Funding Information:
Manuscript received December 29, 2011; accepted February 15, 2012. Date of publication May 17, 2012; date of current version June 07, 2012. This work was supported in part by the Center for Domain Specific Computing (CDSC) funded by the U.S. National Science Foundation Expedition in Computing Award CCF-0926127. This paper was recommended by Guest Editor G. Loh.

Keywords

Dual-band signaling
RF-interconnect
inductive coupling
memory interface
noncoherent amplitude shift keying modulation
simultaneous bidirectional communication

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10.1109/JETCAS.2012.2193511

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title = "Analysis of noncoherent ASK modulation-based RF-interconnect for memory interface",

abstract = "A noncoherent amplitude shift keying (ASK)-based RF-interconnect (RF-I) system design for off-chip communication is analyzed. The proposed RF-I system exploits the simple architecture and characteristics of noncoherent ASK modulation. 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 line. Both analysis and tested results prove that the performance of the proposed dual-band (RF+baseband) interconnect system is not limited by thermal noise interference. Therefore, a more sophisticated modulation scheme and/or coherent receiving scheme becomes unnecessary within the scope of system requirements. In addition, it confirms that the proposed inductive coupling network is able to support simultaneous bidirectional communications without using complicated replica circuits or additional filters to isolate simultaneous baseband and RF-band data streams.",

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AU - Reinman, Glenn

AU - Cong, Jason

AU - Chang, Mau Chung Frank

N1 - Funding Information: Manuscript received December 29, 2011; accepted February 15, 2012. Date of publication May 17, 2012; date of current version June 07, 2012. This work was supported in part by the Center for Domain Specific Computing (CDSC) funded by the U.S. National Science Foundation Expedition in Computing Award CCF-0926127. This paper was recommended by Guest Editor G. Loh.

PY - 2012

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N2 - A noncoherent amplitude shift keying (ASK)-based RF-interconnect (RF-I) system design for off-chip communication is analyzed. The proposed RF-I system exploits the simple architecture and characteristics of noncoherent ASK modulation. 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 line. Both analysis and tested results prove that the performance of the proposed dual-band (RF+baseband) interconnect system is not limited by thermal noise interference. Therefore, a more sophisticated modulation scheme and/or coherent receiving scheme becomes unnecessary within the scope of system requirements. In addition, it confirms that the proposed inductive coupling network is able to support simultaneous bidirectional communications without using complicated replica circuits or additional filters to isolate simultaneous baseband and RF-band data streams.

AB - A noncoherent amplitude shift keying (ASK)-based RF-interconnect (RF-I) system design for off-chip communication is analyzed. The proposed RF-I system exploits the simple architecture and characteristics of noncoherent ASK modulation. 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 line. Both analysis and tested results prove that the performance of the proposed dual-band (RF+baseband) interconnect system is not limited by thermal noise interference. Therefore, a more sophisticated modulation scheme and/or coherent receiving scheme becomes unnecessary within the scope of system requirements. In addition, it confirms that the proposed inductive coupling network is able to support simultaneous bidirectional communications without using complicated replica circuits or additional filters to isolate simultaneous baseband and RF-band data streams.

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Analysis of noncoherent ASK modulation-based RF-interconnect for memory interface

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