7992 search results - page 468 / 1599 » Communication Abstractions for Distributed Systems |
144
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MOBICOM
2009
ACM
15 years 11 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
106
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VTC
2008
IEEE
15 years 11 months ago
2008
IEEE
—This paper presents a spectrum sharing approach which exploits the clustered distribution of users as would be expected in a typical home with several communicating devices (als...
167
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GLOBECOM
2007
IEEE
15 years 6 months ago
2007
IEEE
— Future mobile communication systems such as IEEE 802.16 are expected to deliver a variety of multimedia services with diverse QoS requirements. To guarantee the QoS provision, ...
129
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
Orthogonal frequency division multiplexing (OFDM) communication systems require accurate estimation of timing offset and channel impulse response in order to achieve desirable per...
135
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VTC
2008
IEEE
15 years 11 months ago
2008
IEEE
—Multiuser orthogonal frequency division multiplexing (MU-OFDM) is a promising technique for future wide-area mobile communications, which can provide scalable high data rate tra...