1066 search results - page 137 / 214 » A Wearable Communication Modulator |
124
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ICASSP
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper we consider the problem of sampling far below the Nyquist rate signals that are sparse linear superpositions of shifts of a known, potentially wide-band, pulse. This...
143
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CISS
2008
IEEE
15 years 10 months ago
2008
IEEE
Abstract— A cross-layer optimization combining retransmission diversity with multi-user diversity is investigated for wireless communications. To this end, a joint design of adap...
118
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DATE
2008
IEEE
15 years 10 months ago
2008
IEEE
Reed Solomon (RS) codes are used in a variety of (wireless) communication systems. Although commonly implemented in dedicated hardware, this paper explores the mapping of high-thr...
149
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GLOBECOM
2008
IEEE
15 years 10 months ago
2008
IEEE
— We consider the issue of fair share of the spectrum opportunity for the case of spectrum-overlay cognitive radio networks. Owing to the decentralized nature of the network, we ...
139
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GLOBECOM
2008
IEEE
15 years 10 months ago
2008
IEEE
—Using CDMA technology, one has to contend with interference in frequency-selective channels caused by multipath propagation and fading. Transmitter-based methods such as Zero Fo...