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136
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VTC
2007
IEEE
15 years 11 months ago
2007
IEEE
Abstract-In this paper, a Q-learning-based hybrid automatic repeat request (Q-HARQ) scheme is proposed to achieve efficient resource utilization for high speed downlink packet acc...
127
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ICC
2007
IEEE
15 years 11 months ago
2007
IEEE
Abstract— The primary disadvantage of orthogonal frequencydivision multiplexing (OFDM) is the high time-domain peak-toaverage power ratio (PAR) that severely limits the transmitt...
138
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OHS
2001
Springer
15 years 9 months ago
2001
Springer
This paper presents two empirical usability studies based on techniques from Human-Computer Interaction HCI and software engineering, which were used to elicitate requirements fo...
130
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CHI
2002
ACM
16 years 5 months ago
2002
ACM
We have developed a 3D sound system for headphones that allows real-time sound source and user displacement in a virtual acoustic environment. Because of a flexible design that us...
133
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ISSTA
2000
ACM
15 years 9 months ago
2000
ACM
—Before designing safety- or mission-critical real-time systems, a specification of the required behavior of the system should be produced and reviewed by domain experts. After ...