628 search results - page 90 / 126 » WI - Dissertationen |
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
The currently emerging 802.16e (WiMax) and 3GPP Long Term Evolution (LTE) cellular systems are based on Orthogonal Frequency Division Multiple Access (OFDMA). As OFDMA is basicall...
ISVC
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. We present a novel technique for optical data transfer between public displays and mobile devices based on unsynchronized 4D barcodes. We assume that no direct (electroma...
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CODES
2006
IEEE
15 years 6 months ago
2006
IEEE
The principal objectives of next generation wireless communication are the delivery of higher data rate services including video, audio, data and voice signals with worldwide comp...
GLOBECOM
2006
IEEE
15 years 6 months ago
2006
IEEE
— We study the downlink coverage of a base station terminal (BST), which has access to a relay node. Continuing a previous study in which the BST is assumed to provide a variable...
ICMCS
2006
IEEE
15 years 6 months ago
2006
IEEE
The wireless networks are notoriously error prone and all errors cannot be prevented in real-time communications. The problem of error correction becomes even more challenging in ...