GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
— We consider beamforming in a cognitive network with multiple primary users and secondary users sharing the same spectrum. In particular, we assume that each secondary transmitt...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
—Multiple-input multiple-output (MIMO) precoding scheme is developed for time division duplex (TDD) systems in a multicell environment. The proposed scheme is designed to maximiz...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
— Large MIMO systems with tens of antennas in each communication terminal using full-rate non-orthogonal spacetime block codes (STBC) from Cyclic Division Algebras (CDA) can achi...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
—The design of optimal opportunistic multicast scheduling (OMS) that maximizes the throughput of cellular networks is investigated. In a cellular network, the base station (BS) t...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract— Recent results establish the optimality of interference alignment to approach the Shannon capacity of interference networks at high SNR. However, the extent to which in...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
— In this paper, we propose a new decoding algorithm for quasi-orthogonal space-time block codes (QOSTBCs) which achieves near Maximum Likelihood (ML) performance while substanti...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract—This paper aims at validation of an iterative receiver for Multiple-Input Multiple-Output with Orthogonal Frequency Division Multiplexing (MIMO-OFDM) systems using real-...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
—Wireless Sensor Networks (WSNs) consist of spatially-distributed autonomous sensors that can cooperatively monitor physical and environmental conditions. Because of sensors’ r...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
— The multihop spatial reuse Aloha (MSR-Aloha) protocol was recently introduced by Baccelli et al., where each transmitter selects the receiver among its feasible next hops that ...
GLOBECOM
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract—In this paper, we investigate and analyze the expected per-node throughput in a wireless sensor network under a randomized sleep scheduling framework with a connectivity...