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202
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Nowadays a lot of effort is spent on developing OFDMbased inexpensive wireless transceivers. Direct-conversion radio frequency transceivers are appealing because they a...
219
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We present a distributed scheduling algorithm for provisioning of guaranteed link bandwidths in ad hoc mesh networks. The guaranteed link bandwidths are necessary to provide de...
218
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— We propose a power and constellation-size adaptation scheme for the multicast system employing multilevel quadrature amplitude modulation (MQAM) with discrete constella...
171
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Selected mapping (SLM) is a well-known method for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing (OFDM) systems. The main drawbac...
186
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—In this paper the Cramér-Rao lower bound (CRLB) of an ultra-wideband (UWB) pulse amplitude modulated (PAM) signal with time hopping (TH) code is derived for the practical case ...