17932 search results - page 221 / 3587 » Wireless communications systems |
158
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VTC
2008
IEEE
16 years 1 days ago
2008
IEEE
— To support dynamic traffic-asymmetry property in future wireless communication systems, we propose a hybridTDD scheme, combination of static-TDD and dynamic-TDD. By using adap...
175
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GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
Abstract— Many techniques for constructing unitary spacetime constellations have been proposed. To minimize bit-error rate (BER) in a wireless communication system, constellation...
152
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ICC
2009
IEEE
15 years 3 months ago
2009
IEEE
We consider a wireless communication system where multiple co-channel users transmit data via a synchronous, frequency-flat Rayleigh fading channel. The receiver employs an antenna...
182
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INFOCOM
2007
IEEE
15 years 12 months ago
2007
IEEE
—Due to the open nature of a sensor network, it is relatively easy for an adversary to eavesdrop and trace packet movement in the network in order to capture the receiver physica...
156
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ENC
2005
IEEE
15 years 11 months ago
2005
IEEE
— Recent advances in communication networks and cryptographic techniques have made possible to consider online voting systems as a feasible alternative to conventional elections....