CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
— In this paper, we propose a memory-constrained tree search (MCTS) algorithm for the detection in multiple-input multiple-output (MIMO) systems. The MCTS algorithm offers a wide...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—We investigate the effects of user cooperation on the secrecy of multiple access channels with generalized feedback (MAC-GF). We show that cooperation can increase the achievabl...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—We investigate the generalization of the Costas property in 3 or more dimensions, and we seek an appropriate definition. We offer a construction method based on the idea of res...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—In this paper, we study the problem of utility maximization in Peer-to-Peer (P2P) systems, in which aggregate utilities are maximized by running distributed algorithms on P2P no...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—One of the major concerns of cognitive radios when used for secondary spectrum access is the potential of interfering primary users, considering especially that cognitive radios...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—The delay-limited capacity of the half-duplex relay channel is analyzed for several cooperative protocols under a long-term average total transmit power constraint. It is assume...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—We consider a three node network in which a pair of nodes with stochastic arrivals communicate with each other with the help of an intermediate relay. The bi-directional nature ...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—This paper studies a network under TCP congestion control, in which the number of flows per user is explicitly taken into account. We present a control law for this variable th...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
Motivated to design a feasible optical network architecture for the future Internet, we address the question of scheduling (wavelength assignment) in an optical network. The key ch...
CISS
2008
IEEE
14 years 6 months ago
2008
IEEE
—We investigate the distance vectors contained in individual and in pairs of Costas arrays, and prove some rigorous results in the case of the algebraically constructed ones. Ove...