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TCOM
2011
12 years 12 months ago
2011
Abstract—We study the ability of low-rate SeriallyConcatenated Low Density Generator Matrix (SCLDGM) codes to approach theoretical limits. Although two layer SCLDGM codes appro...
TCOM
2011
12 years 12 months ago
2011
Abstract—We consider decode-and-forward cooperative networks and we derive analytical expressions as well as tractable asymptotic approximations for the outage probability of a n...
TCOM
2011
12 years 12 months ago
2011
—We study two power allocation (PA) schemes for distributed transmit diversity systems. We first derive the performance of the instantaneous channel gain feedback-based PA (ICG-...
TCOM
2011
12 years 12 months ago
2011
—Minimizing the sum of mean squared errors using linear transceivers under a sum power constraint in the multiuser downlink is a non-convex problem. Existing algorithms exploit a...
TCOM
2011
12 years 12 months ago
2011
—The number of active users in code-division multiple access (CDMA) systems is often much lower than the spreading gain. The present paper exploits fruitfully this a priori infor...