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VTC
2006
IEEE
15 years 9 months ago
Accurate BER Analysis of Asynchronous DS-CDMA Systems in Ricean Channels
— The accurate Bit Error Rate (BER) calculation of an asynchronous Ricean-faded DS-CDMA system using random spreading sequences and BPSK modulation is studied in this paper. A ne...
Xiang Liu, Lajos Hanzo
205
Voted
DATE
2003
IEEE
189views Hardware» more  DATE 2003»
15 years 9 months ago
Energy-Aware Adaptive Checkpointing in Embedded Real-Time Systems
We present an integrated approach that provides fault tolerance and dynamic power management for a real-time task executing in an embedded system. Fault tolerance is achieved thro...
Ying Zhang, Krishnendu Chakrabarty
EUROPAR
2003
Springer
15 years 9 months ago
An Overview of the Blue Gene/L System Software Organization
Abstract. The Blue Gene/L supercomputer will use system-on-a-chip integration and a highly scalable cellular architecture. With 65,536 compute nodes, Blue Gene/L represents a new l...
George Almási, Ralph Bellofatto, José...
DEXAW
2002
IEEE
127views Database» more  DEXAW 2002»
15 years 8 months ago
Enhanced Multi-Version Data Broadcast Schemes for Time-Constrained Mobile Computing Systems
In this paper, we study the data dissemination problem in time-constrained mobile computing systems (TCMCS) in which maximizing data currency (minimizing staleness) and meeting tr...
Hei-Wing Leung, Joe Chun-Hung Yuen, Kam-yiu Lam, E...
ICASSP
2011
IEEE
14 years 7 months ago
Simplified EM channel estimation in LTE systems
In this paper, an iterative channel estimation algorithm is considered in LTE systems. A simplified expectation maximization (EM) based algorithm is proposed for channel estimati...
Yang Liu, Serdar Sezginer