CT-Bus: A heterogeneous CDMA/TDMA bus for future SOC

Bo-Cheng Lai; Patrick Schaumont; Ingrid Verbauwhede

doi:10.1109/ACSSC.2004.1399488

CT-Bus: A heterogeneous CDMA/TDMA bus for future SOC

Bo-Cheng Lai^*, Patrick Schaumont, Ingrid Verbauwhede

^*Corresponding author for this work

Institute of Electronics

Research output: Contribution to journal › Conference article › peer-review

23 Scopus citations

Abstract

CDMA interconnect is a new interconnect mechanism for future SoC. Compared to a conventional TDMA-based bus, a CDMA-based bus has better channel isolation and channel continuity. We introduce a new bus architecture called CT-Bus, which mixes and takes strengths of both CDMA-based and TDMA-based interconnect schemes. A CT-Bus gives designers the ability to cope with widely varying communication requirements. We propose a method and a tool to explore the mapping of heterogeneous traffic flows onto the CT-Bus. Simulation results on a multimedia mobile phone system show that traffic flows mapped onto a CT-Bus meet the latency requirements while the same traffic flows mapped onto a conventional TDMA-only bus violate these requirements.

Original language	English
Pages (from-to)	1868-1872
Number of pages	5
Journal	Conference Record - Asilomar Conference on Signals, Systems and Computers
Volume	2
DOIs	https://doi.org/10.1109/ACSSC.2004.1399488
State	Published - 1 Dec 2004
Event	Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States Duration: 7 Nov 2004 → 10 Nov 2004

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abstract = "CDMA interconnect is a new interconnect mechanism for future SoC. Compared to a conventional TDMA-based bus, a CDMA-based bus has better channel isolation and channel continuity. We introduce a new bus architecture called CT-Bus, which mixes and takes strengths of both CDMA-based and TDMA-based interconnect schemes. A CT-Bus gives designers the ability to cope with widely varying communication requirements. We propose a method and a tool to explore the mapping of heterogeneous traffic flows onto the CT-Bus. Simulation results on a multimedia mobile phone system show that traffic flows mapped onto a CT-Bus meet the latency requirements while the same traffic flows mapped onto a conventional TDMA-only bus violate these requirements.",

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AU - Schaumont, Patrick

AU - Verbauwhede, Ingrid

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AB - CDMA interconnect is a new interconnect mechanism for future SoC. Compared to a conventional TDMA-based bus, a CDMA-based bus has better channel isolation and channel continuity. We introduce a new bus architecture called CT-Bus, which mixes and takes strengths of both CDMA-based and TDMA-based interconnect schemes. A CT-Bus gives designers the ability to cope with widely varying communication requirements. We propose a method and a tool to explore the mapping of heterogeneous traffic flows onto the CT-Bus. Simulation results on a multimedia mobile phone system show that traffic flows mapped onto a CT-Bus meet the latency requirements while the same traffic flows mapped onto a conventional TDMA-only bus violate these requirements.

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CT-Bus: A heterogeneous CDMA/TDMA bus for future SOC

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