Dynamically reconfigurable logic LSI-PCA-1

Ito, H.; Konishi, Ryusuke; Oguri, Kazuta; Nagoya, Akira; Imlig, Norbert; Nagami, Kouichi; Shiozawa, Tsunemichi; Inamori, Minoru

doi:10.1109/vlsic.2001.934208

Cited by 5 publications

(2 citation statements)

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“…There are two types of reconfigurable processors: A homogeneous type that uses multiple identical execution nodes [29], and a heterogeneous type that uses different execution nodes [30,31]. Although the latter requires careful consideration of each task assigned to the node, if tasks are assigned efficiently a high signal processing performance can be obtained using the least amount of hardware.…”

Section: Processor Issues For Mobile Terminalsmentioning

confidence: 99%

Trends in Broadband Wireless Communication Systems and Software Defined Radios

Uehara

2006

IIS

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Next generation wireless communication systems require a higher broadband performance to support highly realistic rich content and still be capable of seamlessly supporting integrated services using a variety of different network access systems. This paper reviews the current trends in broadband wireless communication systems, including cellular, wireless LAN, and fixed wireless access (FWA) systems. Furthermore, we describe the recent activities in the development of software defined radios (SDRs) that are essential for realizing the systems beyond 3G, with a particular focus on processor and security issues.

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Section: Processor Issues For Mobile Terminalsmentioning

confidence: 99%

Trends in Broadband Wireless Communication Systems and Software Defined Radios

Uehara

2006

IIS

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“…PCA-2 is being developed by NTT [4]. PCA-1 uses a 0.35−µm process, but PCA-2 uses a 0.14−µm process.…”

Section: Related Workmentioning

confidence: 99%

Evaluation of Space Allocation Circuits

Kyusaka

Higuchi

Nagamoto

et al. 2005

Embedded and Ubiquitous Computing – EUC 2005

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This paper describes the design and evaluation of the PCA (Plastic Cell Architecture) cell, which implements a novel space allocation method. PCA is a dynamically reconfigurable architecture which exceeds the FPGA (Field Programmable Gate Array) in flexibility and generality. Circuit dynamically reconfiguration is achieved as administrators manage the heap areas. But, because objects operate and require new space in parallel, it is difficult to manage them collectively. So, we introduced the concept of pressure, which enables space allocation. As a simulation result, we found that this new method, which relies on pressure commands, could solve the problems of object management efficiently. We designed the PCA cell with space allocation capability. Consequently, the number of gates per PCA cell is 200, and the maximum delay time per cell is 3.55 ns. Moreover, the 3 × 3 PCA cell processing of six space-allocation commands consumes 306.3µW.

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