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ICASSP
2010
IEEE
14 years 7 months ago
Energy-aware adaptive OFDM systems
An effective way of reducing the energy consumption without affecting the quality of service is by adapting to the channel conditions. In this paper we describe one such scheme fo...
Yunus Emre, Chaitali Chakrabarti
TCC
2012
Springer
226views Cryptology» more  TCC 2012»
13 years 5 months ago
On the Instantiability of Hash-and-Sign RSA Signatures
The hash-and-sign RSA signature is one of the most elegant and well known signatures schemes, extensively used in a wide variety of cryptographic applications. Unfortunately, the o...
Yevgeniy Dodis, Iftach Haitner, Aris Tentes
TON
2008
109views more  TON 2008»
14 years 9 months ago
Efficient routing in intermittently connected mobile networks: the single-copy case
Abstract--Intermittently connected mobile networks are wireless networks where most of the time there does not exist a complete path from the source to the destination. There are m...
Thrasyvoulos Spyropoulos, Konstantinos Psounis, Ca...
COMCOM
2008
100views more  COMCOM 2008»
14 years 10 months ago
The impact of code allocation on the multiple access interference in WCDMA systems
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
Thamer Al-Meshhadany, Wessam Ajib
STOC
2009
ACM
156views Algorithms» more  STOC 2009»
15 years 10 months ago
Polynomial-time theory of matrix groups
We consider matrix groups, specified by a list of generators, over finite fields. The two most basic questions about such groups are membership in and the order of the group. Even...
László Babai, Robert Beals, Á...