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ACM Transactions on Embedded Computing Systems (TECS), Volume 11 Issue 1, March 2012

On the use of greedy shapers in real-time embedded systems
Ernesto Wandeler, Alexander Maxiaguine, Lothar Thiele
Article No.: 1
DOI: 10.1145/2146417.2146418

Traffic shaping is a well-known technique in the area of networking and is proven to reduce global buffer requirements and end-to-end delays in networked systems. Due to these properties, shapers also play an increasingly important role in the...

Exploiting media stream similarity for energy-efficient decoding and resource prediction
Juan Hamers, Lieven Eeckhout
Article No.: 2
DOI: 10.1145/2146417.2146419

This article introduces a novel approach to energy-efficient media stream decoding that is based on the notion of media stream similarity. The key idea is that platform-independent scenarios with similar decoding complexity can be identified...

Wireless sensor node localization by multisequence processing
Ziguo Zhong, Tian He
Article No.: 3
DOI: 10.1145/2146417.2146420

Wireless Sensor Networks have been proposed for use in many location-dependent applications. Most of these need to identify the locations of sensor nodes, a challenging task because of severe constraints on cost, energy and effective range of...

BeepBeep: A high-accuracy acoustic-based system for ranging and localization using COTS devices
Chunyi Peng, Guobin Shen, Yongguang Zhang
Article No.: 4
DOI: 10.1145/2146417.2146421

We present the design and implementation of BeepBeep, a high-accuracy acoustic-based system for ranging and localization. It is a pure software-based solution and uses the most basic set of commodity hardware -- a speaker, a microphone, and some...

On-chip memory architecture exploration framework for DSP processor-based embedded system on chip
T.S. Rajesh Kumar, R. Govindarajan, C.P. Ravikumar
Article No.: 5
DOI: 10.1145/2146417.2146422

Today's SoCs are complex designs with multiple embedded processors, memory subsystems, and application specific peripherals. The memory architecture of embedded SoCs strongly influences the power and performance of the entire system. Further, the...

Poly-DWT: Polymorphic wavelet hardware support for dynamic image compression
Amit Pande, Joseph Zambreno
Article No.: 6
DOI: 10.1145/2146417.2146423

Many modern computing applications have been enabled through the use of real-time multimedia processing. While several hardware architectures have been proposed in the research literature to support such primitives, these fail to address...

A reliable gateway for in-vehicle networks based on LIN, CAN, and FlexRay
Suk-Hyun Seo, Jin-Ho Kim, Sung-Ho Hwang, Key Ho Kwon, Jae Wook Jeon
Article No.: 7
DOI: 10.1145/2146417.2146424

This article describes a reliable gateway for in-vehicle networks. Such networks include local interconnect networks, controller area networks, and FlexRay. There is some latency when transferring a message from one node (source) to another node...

Embedding formal performance analysis into the design cycle of MPSoCs for real-time streaming applications
Kai Huang, Wolfgang Haid, Iuliana Bacivarov, Matthias Keller, Lothar Thiele
Article No.: 8
DOI: 10.1145/2146417.2146425

Modern real-time streaming applications are increasingly implemented on multiprocessor systems-on-chip (MPSoC). The implementation, as well as the verification of real-time applications executing on MPSoCs, are difficult tasks, however. A major...

An adaptive file-system-oriented FTL mechanism for flash-memory storage systems
Yuan-Hao Chang, Po-Liang Wu, Tei-Wei Kuo, Shih-Hao Hung
Article No.: 9
DOI: 10.1145/2146417.2146426

As flash memory becomes popular over various platforms, there is a strong demand regarding the performance degradation problem, due to the special characteristics of flash memory. This research proposes the design of a file-system-oriented flash...

Secure reconfiguration of software-defined radio
Chunxiao Li, Niraj K. Jha, Anand Raghunathan
Article No.: 10
DOI: 10.1145/2146417.2146427

Software-defined radio (SDR) implements a radio system in software that executes on a programmable processor. The components of SDR, such as the filters, amplifiers, and modulators, can be easily reconfigured to adapt to the operating environment...