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» Opportunistic Relaying in Wireless Networks
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GLOBECOM
2007
IEEE
15 years 4 months ago
Two Energy-Saving Schemes for Cooperative Transmission with Opportunistic Large Arrays
— An opportunistic large array (OLA) is a form of cooperative diversity in which a large group of simple, inexpensive relays or forwarding nodes operate without any mutual coordi...
Lakshmi V. Thanayankizil, Aravind Kailas, Mary Ann...
WCNC
2010
IEEE
14 years 8 months ago
End-To-End HARQ in Cognitive Radio Networks
Abstract—Cognitive radio networks (CRN) may greatly enhance the throughput based on a given bandwidth. CRN has a unique feature, consisting of uni-directional opportunistic wirel...
Weng-Chon Ao, Kwang-Cheng Chen
WCNC
2010
IEEE
15 years 1 months ago
Radio Resource Management in OFDMA-Based Cellular Networks Enhanced with Fixed and Nomadic Relays
—The provision of very high data rates in a ubiquitous manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, the deplo...
Mohamed Salem, Abdulkareem Adinoyi, Halim Yanikome...
GLOBECOM
2009
IEEE
15 years 4 months ago
Robust Cooperative Relaying in a Wireless LAN: Cross-Layer Design and Performance Analysis
—A key technology in cooperative communications is distributed space-time coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called randomize...
Pei Liu, Chun Nie, Elza Erkip, Shivendra S. Panwar
GIS
2009
ACM
15 years 1 months ago
Opportunistic sampling in wireless sensor networks
In an active WSN where user queries are regularly processed, a significant proportion of nodes relay and overhear data generated by other nodes in the network. In this paper, we ...
Muhammad Umer, Egemen Tanin, Lars Kulik