GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— There has been a significant amount of work analyzing the Internet AS (Autonomous System)-level topology which gives rise to a number of topology models. Although each of thes...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract−Several high performance LDPC codes have paritycheck matrices composed of permutation submatrices. We design a parallel-serial architecture to map the decoder of any str...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract— We consider discrete-time channels with finitelength intersymbol interference and additive Gaussian noise. The channel noise is considered to be a stationary ARMA (aut...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— A cooperative MIMO network is considered with Ns sensors and a collector node with Mc antennas. In a practical implementation of this network, the sensor carriers have relative...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— In this paper we present protograph codes with a small number of degree-3 nodes and one high degree node. The iterative decoding threshold for proposed rate 1/2 codes are lower...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— This paper considers the problem of finding the path with minimum (zero) worst possible number of errors in a network with V nodes where (1) some nodes are capable of correcti...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract— We consider communication over the Gaussian multiple access channel (MAC) with unknown set of active users. The proposed multiple access strategy is distributed and ach...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— For a two user fading Gaussian multiple access channel with user cooperation, we show that window decoding achieves the same sum rate as backwards decoding, when the encoding i...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— Cooperation among base stations has demonstrated substantial capacity gain in cellular systems. The optimal transmission scheme under full base station cooperation requires all...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract—We consider the distributed estimation of an unknown vector signal in a resource constrained sensor network with a fusion center. Due to power and bandwidth limitations,...