2392 search results - page 269 / 479 » Channel-Hopping Multiple Access |
166
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TWC
2010
14 years 11 months ago
2010
We consider a frequency division multiplexed (FDM) system where each user employs a continuous phase modulation (CPM), serially concatenated with an outer code through an interleav...
185
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CORR
2011
Springer
14 years 8 months ago
2011
Springer
The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast chann...
139
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
161
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ICC
2011
IEEE
14 years 4 months ago
2011
IEEE
—Femtocells have been considered by the wireless industry as a promising solution not only to improve indoor coverage, but also to unload traffic from already overburdened macroc...
125
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
We consider a pilot-assisted interleave-division multiple access (IDMA) system transmitting over block-fading channels. We describe this system in terms of a factor graph and use ...