Sciweavers

1559 search results - page 85 / 312
» Cooperative Communications
Sort
View
ICC
2007
IEEE
136views Communications» more  ICC 2007»
15 years 6 months ago
Reputation-Based System for Encouraging the Cooperation of Nodes in Mobile Ad Hoc Networks
— In a mobile ad hoc network, node cooperation in packet forwarding is required for the network to function properly. However, since nodes in this network usually have limited re...
Tiranuch Anantvalee, Jie Wu
125
Voted
INFOCOM
2010
IEEE
14 years 10 months ago
Efficient Resource Allocation with Flexible Channel Cooperation in OFDMA Cognitive Radio Networks
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
Hong Xu, Baochun Li
ICC
2009
IEEE
168views Communications» more  ICC 2009»
15 years 7 months ago
Degrees of Freedom of Cooperative MIMO in Cellular Networks
— In cellular networks, relays and/or mobiles can cooperate to improve the overall system performance. For example, once the transmission from a base station with multiple antenn...
Si-Hyeon Lee, Sae-Young Chung
110
Voted
GLOBECOM
2008
IEEE
15 years 1 months ago
Improved OFDMA Uplink Transmission via Cooperation in the Presence of Frequency Offsets
Abstract— In this paper, we evaluate the performance improvement in an Orthogonal Frequency-Division Multiple Access (OFDMA) uplink achievable with cooperative relaying in the pr...
Zhongshan Zhang, Chintha Tellambura, Robert Schobe...
117
Voted
INFOCOM
2010
IEEE
14 years 11 months ago
Stimulating Cooperation in Multi-hop Wireless Networks Using Cheating Detection System
— In multi-hop wireless networks, the mobile nodes usually act as routers to relay packets generated from other nodes. However, selfish nodes do not cooperate but make use of the...
Mohamed Elsalih Mahmoud, Xuemin Shen