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INFOCOM
2008
IEEE
16 years 1 months ago
A Scalable Method for Access Control in Location-Based Broadcast Services
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
Mudhakar Srivatsa, Arun Iyengar, Jian Yin, Ling Li...
INFOCOM
2008
IEEE
16 years 1 months ago
Lightweight and Compromise-Resilient Message Authentication in Sensor Networks
Abstract—Numerous authentication schemes have been proposed in the past for protecting communication authenticity and integrity in wireless sensor networks. Most of them however ...
Wensheng Zhang, Nalin Subramanian, Guiling Wang
AINA
2007
IEEE
16 years 1 months ago
Performance Evaluation of Multicast Cost Sharing Mechanisms
In this paper we investigate experimentally the performance of Marginal Cost (MC) and Shapley Value (SH) mechanisms for sharing the cost of multicast transmissions. We implement a...
Nandan Garg, Daniel Grosu
ARITH
2007
IEEE
16 years 1 months ago
Multiplication by a Constant is Sublinear
Abstract— This paper explores the use of the double-base number system (DBNS) for constant integer multiplication. The DBNS recoding scheme represents integers – in this case c...
Vassil S. Dimitrov, Laurent Imbert, Andrew Zakaluz...
ICC
2007
IEEE
112views Communications» more  ICC 2007»
16 years 1 months ago
Algebraic Constructions of Space-Frequency Codes
— Recently an algebraic construction of (nt × Q) space-frequency (SF) codes over finite field Fq was proposed for use in MIMO-OFDM systems, where nt is the number of transmit ...
Mao-Ching Chiu, Hsiao-feng Lu