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PIMRC
2010
IEEE
15 years 3 months ago
Efficient cooperative protocols for general outage-limited multihop wireless networks
Abstract-- Due to the limited energy supplies of nodes in wireless networks, achieving energy efficiency is crucial for extending the lifetime of these networks. Thus, we study eff...
Behrouz Maham, Walid Saad, Mérouane Debbah,...
PIMRC
2010
IEEE
15 years 3 months ago
Fast varying channel estimation in downlink LTE systems
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
Youssef El Hajj Shehadeh, Serdar Sezginer
PIMRC
2010
IEEE
15 years 3 months ago
Cognitive Beacon Channel via GSM and UMTS
This paper proposes the utilization of GSM logical channels (RACH, AGCH and TCH) and UMTS signaling (MIB and SIBs) of the Broadcast Channel to transmit a Cognitive Beacon Channel (...
Rodrigo Soule de Castro, Philippe Godlewski, Phili...
PIMRC
2010
IEEE
15 years 3 months ago
Opportunistic channel access scheme for cognitive radio system based on residual white space distribution
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
Manuj Sharma, Anirudha Sahoo
PIMRC
2010
IEEE
15 years 3 months ago
A fair and Adaptive Contention Resolution Algorithm for time-slotted MAC protocol designs
Abstract--This paper addresses the fairness of Medium Access Control (MAC) protocols that are capable of handling interference on the physical layer to a varying extent. The variat...
Ulrike Korger, Yingrui Chen, Christian Hartmann, K...