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VTC
2010
IEEE
110views Communications» more  VTC 2010»
13 years 6 months ago
Internet Access Performance in LTE TDD
The Time Division Duplex (TDD) uplink-downlink configuration of the 3GPP Long Term Evolution (LTE) determines how the ten subframes in a radio frame are divided between the downlin...
Riikka Susitaival, Henning Wiemann, J. Ostergaard,...
CORR
2010
Springer
135views Education» more  CORR 2010»
13 years 6 months ago
Modified EESM Based Link Adaptation Algorithm for Multimedia Transmission in Multicarrier Systems
The previous link adaptation algorithms on ofdm based systems use equal modulation order for all sub carrier index within a block. For multimedia transmission using ofdm as the mo...
R. Sandanalakshmi, Athilakshmi, K. Manivannan
GLOBECOM
2010
IEEE
13 years 5 months ago
Optical Wireless Communications with Adaptive Subcarrier PSK Intensity Modulation
We propose an adaptive transmission technique for optical wireless (OW) systems, operating in atmospheric turbulence and employing subcarrier phase shift keying (S-PSK) intensity m...
Nestor D. Chatzidiamantis, Athanasios S. Lioumpas,...
GLOBECOM
2009
IEEE
13 years 5 months ago
Selecting a Spatially Efficient Cooperative Relay
Cooperative relaying is a communication technique in wireless networks where neighboring nodes assist communication pairs to mitigate the negative effects of multi-path fading. The...
Nikolaj Marchenko, Evsen Yanmaz, Helmut Adam, Chri...
GLOBECOM
2010
IEEE
13 years 5 months ago
Spectrum Aware Opportunistic Routing in Cognitive Radio Networks
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
Shih-Chun Lin, Kwang-Cheng Chen