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Given the increase in the number of wireless standards, software defined radio has emerged as a cost effective way of supporting multiple standards on the same platform architecture. Embedded systems with such platforms need to power efficient and meet the real time constraints of these wireless standards. Register files are known to be power and performance bottlenecks in high performance low power...
The raising cost of the latest technology nodes as well as the design cost associated has motivated an increasing push for flexible radio implementations. In this context, Sigma-Delta (SigmaDelta) ADCs have emerged as a promising alternative to direct conversion. In this work a novel wireless receiver architecture based on an RF bandpass SigmaDelta is considered. One of the key blocks of this architecture...
Modern handheld embedded systems operate under stringent power and real-time constraints. These systems run highly data-dominated applications from multimedia and wireless domains. Most of these applications spend significant amount of execution time in nested-loops. In order to reduce the loop control overhead several loop controller architectures have been proposed in the past. In this paper we...
The dynamic business nature of many organizations makes it necessary to sense and interpret the impact of external customer data on the business environment and the functioning of the enterprise. We present a framework for 1) capturing structure, patterns and trends and analyzing the latent 'voice of the customer' from unstructured data and 2) intra-enterprise decisions that increase the value to...
In order to meet the increasing demands of present and upcoming data-intensive computer applications, there has been a major shift in the disk subsystem, which now consists of more disks with higher storage capacities and higher rotational speeds. These have made the disk subsystem a major consumer of power, making disk power management an important issue. People have considered the option of spinning...
Systematic architecture exploration from vast solution space is a complex problem in embedded system design. It is very difficult to explore a best architecture fast and accurately because accurate evaluation usually consumes significant amount of time for point in the solution space. In this paper, we propose fast and systematic architecture exploration method for address generation unit (AGU) based...
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