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IWCMC
2006
ACM
13 years 11 months ago
Uplink capacity comparison of non-perfect frequency synchronized cellular OFDM systems
Orthogonal frequency division multiplexing (OFDM) is very sensitive to frequency offsets which result in considerable interference. Performance of the system will be exacerbated ...
Shameem Kabir Chaudhury, Hrishikesh Venkataraman, ...
WOWMOM
2005
ACM
126views Multimedia» more  WOWMOM 2005»
13 years 11 months ago
An Integrated Neighbor Discovery and MAC Protocol for Ad Hoc Networks Using Directional Antennas
— Many MAC sub-layer protocols for supporting the usage of directional antennas in ad hoc networks have been proposed in literature. However, there remain two open issues that ar...
Gentian Jakllari, Wenjie Luo, Srikanth V. Krishnam...
SENSYS
2005
ACM
13 years 11 months ago
Packet combining in sensor networks
This paper presents the Simple Packet Combining (SPaC) error-correction scheme for wireless sensor networks. Nodes buffer corrupt packets, and when two or more corrupt versions o...
Henri Dubois-Ferrière, Deborah Estrin, Mart...
TCOM
2008
146views more  TCOM 2008»
13 years 5 months ago
Noncoherent eigenbeamforming and interference suppression for outdoor OFDM systems
Abstract--We investigate a new approach to uplink communications in wideband outdoor cellular systems that can take advantage of multiple antennas at the base station in a scalable...
Noah Jacobsen, Gwen Barriac, Upamanyu Madhow
TWC
2008
113views more  TWC 2008»
13 years 5 months ago
Capacity of opportunistic routing in multi-rate and multi-hop wireless networks
Abstract-- Opportunistic routing (OR) copes with the unreliable transmissions by exploiting the broadcast nature of the wireless medium and spatial diversity of the multi-hop wirel...
Kai Zeng, Wenjing Lou, Hongqiang Zhai