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98
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CISS
2008
IEEE
14 years 11 months ago
Client-centric fractional frequency reuse based on user cooperation in OFDMA networks
Abstract--This paper proposes client-centric fractional frequency reuse (CC-FFR) techniques for interference mitigation in OFDMA-based cellular wireless networks. In this framework...
Stefan Geirhofer, Ozgur Oyman
122
Voted
TWC
2008
227views more  TWC 2008»
14 years 9 months ago
Cross-layer optimization frameworks for multihop wireless networks using cooperative diversity
We propose cross-layer optimization frameworks for multihop wireless networks using cooperative diversity. These frameworks provide solutions to fundamental relaying problems of de...
Long Le, Ekram Hossain
98
Voted
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...
JSAC
2007
133views more  JSAC 2007»
14 years 9 months ago
On broadcasting with cooperative diversity in multi-hop wireless networks
Abstract— Cooperative diversity facilitates spatio-temporal communications without requiring the deployment of physical antenna arrays. While physical layer studies on cooperativ...
Gentian Jakllari, Srikanth V. Krishnamurthy, Micha...
SECON
2007
IEEE
15 years 4 months ago
Decentralized Multiuser Diversity with Cooperative Relaying in Wireless Sensor Networks
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
Sam Vakil, Ben Liang