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WCNC
2010
IEEE
15 years 1 months ago
Differentiable Spectrum Partition for Fractional Frequency Reuse in Multi-Cell OFDMA Networks
To mitigate inter-cell interference (ICI) and achieve higher spectrum efficiency, fractional frequency reuse (FFR) has been widely adopted by the next generation wireless systems...
Weihuang Fu, Zhifeng Tao, Jinyun Zhang, Dharma P. ...
CARDIS
2006
Springer
159views Hardware» more  CARDIS 2006»
15 years 1 months ago
Noisy Tags: A Pretty Good Key Exchange Protocol for RFID Tags
We propose a protocol that can be used between an RFID tag and a reader to exchange a secret without performing any expensive computation. Similarly to the famous blocker tag sugge...
Claude Castelluccia, Gildas Avoine
MOBISYS
2010
ACM
14 years 12 months ago
Energy-efficient rate-adaptive GPS-based positioning for smartphones
Many emerging smartphone applications require position information to provide location-based or context-aware services. In these applications, GPS is often preferred over its alte...
Jeongyeup Paek, Joongheon Kim, Ramesh Govindan
CCS
2008
ACM
14 years 11 months ago
A security architecture for transient trust
In extraordinary situations, certain individuals may require access to information for which they are not normally authorized. For example, to facilitate rescue of people trapped ...
Cynthia E. Irvine, Timothy E. Levin, Paul C. Clark...
DEBS
2008
ACM
14 years 11 months ago
Top-k/w publish/subscribe: finding k most relevant publications in sliding time window w
Existing content-based publish/subscribe systems are designed assuming that all matching publications are equally relevant to a subscription. As we cannot know in advance the dist...
Kresimir Pripuzic, Ivana Podnar Zarko, Karl Aberer