512 search results - page 41 / 103 » Random Access Systems with a Time Varying Channel |
EDBT
2006
ACM
15 years 1 months ago
2006
ACM
Abstract. In wireless data broadcast systems, popular information is repetitively disseminated through possibly multiple communication channels to mobile clients using various type...
JSAC
2006
14 years 10 months ago
2006
We consider a code-spread and chip-interleaved time-hopping (TH) multiple-access scheme for multiuser ultra-wideband (UWB) communications. In such a system, each user's chip s...
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TSE
2011
14 years 5 months ago
2011
—Randomized testing is an effective method for testing software units. Thoroughness of randomized unit testing varies widely according to the settings of certain parameters, such...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— Transmit preprocessing employed at the basestation (BS) has been proposed for simplifying the design of the mobile receiver. Provided that the channel impulse response (CIR) of...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—In this paper, we employ time-reversal space-time block coding (TR-STBC) in single-carrier direct sequence codedivision multiple access (DS-CDMA) block transmission in the prese...