Sciweavers

PIMRC
2008
IEEE
14 years 6 months ago
Real vs. complex BPSK precoding for MIMO broadcast channels
Abstract—Recently M¨uller et al. (IEEE J. Select. Areas Commun. 2008) used asymptotic methods from statistical physics to analyze non-linear vector precoding for MIMO broadcast ...
Rodrigo de Miguel, Ralf R. Müller
PIMRC
2008
IEEE
14 years 6 months ago
Effects of topology on local throughput-capacity of ad hoc networks
—Most publications on the capacity and performance of wireless ad hoc networks share the underlying assumption of a uniform random distribution of nodes. In this paper, we study ...
Jakob Hoydis, Marina Petrova, Petri Mähö...
PIMRC
2008
IEEE
14 years 6 months ago
Joint turbo channel estimation and data recovery in fast fading mobile coded OFDM
Orthogonal frequency division multiplexing (OFDM) system suffers extra performance degradation in fast fading channel due to intercarrier interference (ICI). Combing frequency dom...
Daniel N. Liu, Michael P. Fitz
PIMRC
2008
IEEE
14 years 6 months ago
Decoding-based channel estimation for selective cooperation diversity protocols
— We describe and analyze Minimum Path Difference (MPD), a metric to improve threshold-based Selection Decodeand-Forward (SDF) protocols in cooperative wireless networks with cha...
Stefan Valentin, Tobias Volkhausen, Furuzan Atay O...
PIMRC
2008
IEEE
14 years 6 months ago
IEEE 802.21 transport solution using cross-layer optimized Stream Control Transmission Protocol
Abstract—The Media Independent Handover (MIH) architecture is designed to facilitate the signaling and enable seamless handovers in heterogeneous networks. In this paper, we prop...
Richard Rouil, Nada Golmie, Nicolas Montavont
PIMRC
2008
IEEE
14 years 6 months ago
Maximum likelihood based methods for OFDM intercarrier spacing characterization
— One of the main task to be done by a cognitive receiver is to sense its spectral environment in order to distinguish surrounding systems from each others. Actually most systems...
Abdelaziz Bouzegzi, Philippe Ciblat, Pierre Jallon
PIMRC
2008
IEEE
14 years 6 months ago
A game theoretic framework for decentralized power allocation in IDMA systems
Abstract—In this contribution we present a decentralized power allocation algorithm for the uplink interleave division multiple access (IDMA) channel. Within the proposed optimal...
Samir Medina Perlaza, Laura Cottatellucci, M&eacut...
PIMRC
2008
IEEE
14 years 6 months ago
A key loss recovery scheme for secure broadcasts in wireless sensor networks
Abstract—Authenticity and secrecy of broadcast message content is important in wireless sensor networks deployed for battlefield control, emergency response, and natural resourc...
Syed Taha Ali, Vijay Sivaraman, Ashay Dhamdhere, D...
PIMRC
2008
IEEE
14 years 6 months ago
Code construction for the selective TDMA cooperative broadcast channel
—In this paper, the selective time division multiple access (S-TDMA) strategy is studied in the downlink channel. This strategy consists in transmitting data to the user with the...
Lina Mroueh, Mohamed Oussama Damen, Stéphan...
PIMRC
2008
IEEE
14 years 6 months ago
Radio resource allocation in OFDMA multihop cellular cooperative networks
Multihop cellular networks (MeNs) is an extension of single hop cellular networks (SCNs) having benefits of a fixed base station and flexible ad hoc networks. The radio resource ma...
Cheol Jeong, Hyung-Myung Kim