8911 search results - page 1376 / 1783 » Intelligent Systems for Tourism |
240
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TWC
2010
15 years 2 months ago
2010
Abstract--Impulse Radio Ultra WideBand (IR-UWB) communication has proven to be an important technique for supporting high-rate, short-range, and low-power communication. In this pa...
217
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TWC
2010
15 years 2 months ago
2010
In this paper, we evaluate the performance of a Medium Access Control (MAC) protocol for MIMO ad hoc networks under imperfect channel estimation. To this end, we also present an an...
252
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TWC
2010
15 years 2 months ago
2010
User cooperation, whereby multiple users share their antennas and transmit to a common destination in a collaborative manner, has been shown to be an effective way to achieve spat...
163
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TWC
2010
15 years 2 months ago
2010
Online Charging System (OCS) supports multiple prepaid and postpaid sessions simultaneously. Through credit reservation, the OCS assigns some credit units to a session. These credi...
192
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TWC
2010
15 years 2 months ago
2010
We address the possibility of overloaded vector precoding in single user MIMO channels, i.e. the number of data streams is larger than the minimum of the number of antennas at tran...